Mechanical-magnetic locking device

Abstract

A mechanical-magnetic locking device includes a first connecting component, a second connecting component and a magnet-armature structure. The first connecting component is provided with a locking element with a gap. The second connecting component is provided with a locking member matched with the locking element with the gap. A magnet is provided in one connecting component and an armature is provided in the other connecting component. The locking element with the gap is coupled with the magnet and the armature is coupled with the locking member. When opening the locking device, the magnet and the armature are relatively moved to each other, and the magnetic attracting area is substantially unchanged or increased, allowing the locking element with the gap and the locking member to move from the engaged position to the non-engaged position.

Claims

1. A mechanical-magnetic locking device, comprising: a first connecting component, a second connecting component and a magnet-armature structure; wherein the first connecting component is provided with a locking element with a gap, the second connecting component is provided with a locking member matched with the locking element with the gap in shape; a magnet is provided on the first connecting component, an armature is provided on the second connecting component, the magnet of the first connecting component is coupled to the locking element with the gap, and the armature of the second connecting component is coupled to the locking member; or, a magnet is provided on the second connecting component, an armature is provided on the first connecting component, the armature of the first connecting component is coupled to the locking element with the gap, and the magnet of the second connecting component is coupled to the locking member; wherein during locking of the locking device, the magnet of the first connecting component or the magnet of the second connecting component and the armature of the second connecting component or the armature of the first connecting component approach each other, and the locking element with the gap and the locking member are moved from a non-engaged position to an engaged position by attractive magnetic force to form locking; and when opening the locking device, the magnet of the first connecting component or the magnet of the second connecting component moves relative to the armature of the second connecting component or the armature of the first connecting component, and a magnetic attracting area of the magnet of the first connecting component and the armature of the second connecting component, or the magnetic attracting area of the magnet of the second connecting component and the armature of the first connecting component is substantially unchanged or increased, allowing the locking element with the gap and the locking member to be moved from the engaged position to the non-engaged position; upon reaching the non-engaged position, the magnet of the first connecting component or the magnet of the second connecting component moves relatively away from the armature of the second connecting component or the armature of the first connecting component until the magnetic force between the magnet of the first connecting component and the armature of the second connecting component, or the magnetic force between the magnet of the second connecting component and the armature of the first connecting component is sufficiently weakened to separate the first connecting component from the second connecting component.

2. The mechanical-magnetic locking device of claim 1, wherein, during opening, when the locking element with the gap and the locking member are moved from the engaged position to the non-engaged position, a relative movement between the magnet of the first connecting component or the magnet of the second connecting component and the armature of the second connecting component or the armature of the first connecting component comprises one movement or a combination of at least two movements selected from the group consisting of a forward moving away, a side approaching, a forward flipping, and a rotation.

3. The mechanical-magnetic locking device of claim 2, wherein, during opening, when the locking element with the gap and the locking member are moved from the engaged position to the non-engaged position, the relative movement between the magnet of the first connecting component or the magnet of the second connecting component and the armature of the second connecting component or the armature of the first connecting component is a resultant movement of the forward moving away and the side approaching.

4. The mechanical-magnetic locking device of claim 1, wherein, when opening the locking device, the magnet of the first connecting component or the magnet of the second connecting component and the armature of the second connecting component or the armature of the first connecting component are flipped relative to each other, the magnetic attracting area is increased, allowing the locking element with the gap and the locking member to move from the engaged position to the non-engaged position; upon reaching the non-engaged position, the magnet of the first connecting component or the magnet of the second connecting component and the armature of the second connecting component or the armature of the first connecting component continue to flip until the magnetic force between the magnet of the first connecting component and the armature of the second connecting component, or the magnetic force between the magnet of the second connecting component and the armature of the first connecting component is sufficiently weakened to separate the first connecting component from the second connecting component.

5. The mechanical-magnetic locking device of claim 1, wherein, when opening the locking device, and the locking element with the gap and the locking member are moved from the engaged position to the non-engaged position, the attractive magnetic force between the magnet of the first connecting component and the armature of the second connecting component, or the attractive magnetic force between the magnet of the second connecting component and the armature of the first connecting component provides a restoring force to make the locking element with the gap and the locking member return to the engaged position.

6. The mechanical-magnetic locking device of claim 1, wherein, at least one of the first connecting component or the second connecting component is provided with an elastic structure.

7. The mechanical-magnetic locking device of claim 1, wherein, the first connecting component is provided with one or a plurality of locking elements with gaps.

8. The mechanical-magnetic locking device of claim 1, wherein, the magnet-armature structure comprises at least one magnet-armature pair.

9. The mechanical-magnetic locking device of claim 1, wherein, the magnet of the first connecting component or the magnet of the second connecting component is not directly aligned with the armature of the second connecting component or the armature of the first connecting component when the locking element with the gap and the locking member are in the engaged position.

10. The mechanical-magnetic locking device of claim 1, wherein, the locking device further comprises a chamber, and the chamber comprises a functional module and a power source.

11. The mechanical-magnetic locking device of claim 1, wherein, the second connecting component comprises a plurality of locking members or a locking member with a plurality of locking segments.

12. The mechanical-magnetic locking device of claim 1, wherein, the first connecting component comprises a base, a first blocking portion extending upward from one end of the base, and at least one first locking structure provided at an other end of the base, a dihedral angle between the first blocking portion and the base is not more than 90, and a fastening space is formed between the first blocking portion and the first locking structure, and at least one first magnet or first armature is provided on the base at a position corresponding to the fastening space; and the second connecting component comprises a magnetic attracting portion, an abutting portion abutting against the first blocking portion is provided at one end of the magnetic attracting portion and a force applying member for indirectly applying a force to the first blocking portion through the abutting portion is provided at an other end of the magnetic attracting portion, the second connecting component is connected to the second component by the force applying member, a second locking structure is provided on the magnetic attracting portion at a position corresponding to the first locking structure, and the second locking structure is matched with the first locking structure and movable in the magnetic direction relative to the first locking structure, and a second magnet or a second armature magnetically attracted to the first magnet or the first armature is provided on the magnetic attracting portion at a position corresponding to the first magnet or the first armature.

13. The mechanical-magnetic locking device of claim 12, wherein, a protruding second blocking portion is further provided on an upper surface of the base at a position corresponding to the fastening space; and an accommodating groove hole for accommodating the protruding second blocking portion is provided on the magnetic attraction portion at a position corresponding to the protruding second blocking portion.

14. The mechanical-magnetic locking device of claim 12, wherein, the force applying member is pivotally provided on the magnetic attracting portion.

15. The mechanical-magnetic locking device of claim 14, wherein, an end of the base beside the first blocking portion is recessed downward from the upper surface to form a groove, a first mounting groove recessed inwardly for mounting the force applying member is provided on the magnetic attracting portion at a position corresponding to the groove, a hook portion for locking the force applying member into the first mounting groove and configured to be accommodated in the groove is formed by a downward extension of a side surface of the first mounting groove beside the abutting portion.

16. The mechanical-magnetic locking device of claim 14, wherein, a second mounting groove for mounting the force applying member is recessed downward from an upper surface at the one end of the magnetic attracting portion beside the abutting portion; and a plurality of protruding blocks for locking the force applying member in the second mounting groove are provided at two sides of an upper opening of the second mounting groove.

17. The mechanical-magnetic locking device of claim 12, wherein, an upper end portion of the abutting portion abuts against an upper end portion of the first blocking portion, and a lower end portion of the abutting portion is not in contact with a lower end portion of the first blocking portion.

18. The mechanical-magnetic locking device of claim 12, wherein, the magnetic attracting portion further comprises a pulling member for pulling out the second connecting component when the second connecting component is magnetically attracted to the first connecting component.

19. The mechanical-magnetic locking device of claim 12, wherein, the first magnet or the first armature is fixed to the base by a glue or a one-piece injection molding; the second armature or the second magnet is fixed to the magnetic attraction portion by the glue or the one-piece injection molding.

20. The mechanical-magnetic locking device of claim 12, wherein, a mounting buckle for mounting a first fastening member on the first component is formed by an outward extension of an end of the base away from the first blocking portion of the base.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) FIGS. 1A-1D are schematic diagrams illustrating meanings of forward moving away, side moving away, side approaching, forward flipping, and side flipping of the present invention;

(2) FIGS. 2A-C are schematic diagrams showing a self-locking formed by matching a hook-shaped head with a groove in shape in the present invention;

(3) FIGS. 3A-3D are schematic diagrams of a specific locking device of the present invention;

(4) FIGS. 4A-4D show a first specific embodiment of the present invention;

(5) FIGS. 5A-5D show a second specific embodiment of the present invention;

(6) FIGS. 6A-6D show a third specific embodiment of the present invention;

(7) FIGS. 7A-7D show a fourth specific embodiment of the present invention;

(8) FIGS. 8A-8E show a fifth specific embodiment of the present invention;

(9) FIGS. 9A-9E show a sixth specific embodiment of the present invention;

(10) FIG. 10 is a diagram showing a structure of an embodiment in the present invention;

(11) FIG. 11 is an exploded view showing the structure of the embodiment shown in FIG. 10;

(12) FIG. 12 is a cross-sectional view showing the structure of the embodiment shown in FIG. 10;

(13) FIG. 13 is a diagram showing a structure of another embodiment of the present invention;

(14) FIG. 14 is an exploded view showing the structure of the embodiment shown in FIG. 13; and

(15) FIG. 15 is a cross-sectional view showing the structure of the embodiment shown in FIG. 13.

(16) A list of main reference numerals in the figures are described below:

(17) TABLE-US-00001 1, 11, 21, 31, 41, 51, 61 First connecting component 2, 12, 22, 32, 42, 52, 62 Second connecting component 4, 13, 23, 33, 53, 63 Elastic locking member 43 Rigid locking member 5, 14, 24, 34, 44, 54, 64 Locking element with a gap 6 Baffle M1, M2, M3 Magnet S S pole N N pole C1, C2 Position marker S1, S2 . . . Magnetic attracting area D1, D2 . . . Average spacing P Rotation axis A1, A4 Engagement direction A2 Opening direction A3 Elastic offset direction B1, B2, B3 Moving direction R1 Rotating direction

DETAILED DESCRIPTION OF THE EMBODIMENTS

(18) The present invention is further described with reference to the accompanying drawings and embodiments.

(19) In the present invention, the general functions and the meanings of forward moving away, side moving away, side approaching, forward flipping, and side flipping are explained by the schematic diagrams shown in FIGS. 1a-1d. The following magnets M1 and M2 are shown in the schematic diagrams.

(20) Schematic Diagram 1

(21) FIG. 1A is a schematic diagram showing a relative movement between a magnet and an armature or between a magnet and a magnet in a straight line, where a pole face is a plane.

(22) The N pole of the magnet M1 and the S pole of the magnet M2 forward attract each other, and the N pole face and the S pole face are substantially equal in size. The S pole face of M2 is projected on the plane where the N pole face of M1 is located, and the area of the overlap region between the projection region and the N pole face of M1 is S1, i.e., the magnetic attracting area. When M1 is set to be fixed, and M2 moves in the B1 direction from a current position, the magnetic attracting area S1 is gradually decreased, and the average spacing D1 of the magnets is substantially unchanged, thus the magnetic force is weakened, and the B1 direction is defined as a direction of side moving away between M1 and M2. When M2 moves in an opposite direction of the B1 direction, a same effect can be realized. If M2 moves in the B2 direction, then the magnetic attracting area S1 is substantially unchanged, while the average spacing D1 of the magnets is gradually increased, thus the magnetic force is weakened, and the B2 direction is defined as a direction of forward moving away between M1 and M2. The R1 direction shown in the figure is a direction of flipping around the P axis, and a flipping axis is perpendicular to the X and Y axises, i.e., a clockwise direction. If M2 is flipped in the R1 direction and moved from the C1 state to the C2 state, then the magnetic attracting area is decreased from S1 to S2, and the average spacing of the magnets is gradually increased from D1 to D2, thus the magnetic force is weakened. At this time, the flipping in the R1 direction is defined as the side flipping.

(23) FIG. 1B is a schematic diagram showing a relative rotation and movement between a magnet and an armature or between a magnet and a magnet, where a pole surface is a curved surface.

(24) The N pole of the magnet M1 and the S pole of the magnet M2 attract toward each other. An attracting surface is a curved surface. In this embodiment, a projection direction is an opposite direction of the B2 direction. Then, an overlap area of projections of the N pole face of M1 and the S pole face of M2 on a vertical plane of the opposite direction of the B2 direction is the magnetic attracting area. When M2 is set to be fixed, and M1 rotates clockwise in the R1 direction at a current position from the C1 state to the C2 state, the magnetic attracting area is gradually decreased, and the average spacing D1 of the magnets is substantially unchanged, thus the magnetic force is weakened, and the R1 direction is defined as a direction of side rotation between M1 and M2. When M1 rotates in an opposite direction of R1, a same effect can be realized. If M1 moves in the B2 direction, then the magnetic attracting area is substantially unchanged, while the average spacing D1 of the magnets is gradually increased, thus the magnetic force is weakened, and the B2 direction is defined as a direction of forward moving away between M1 and M2.

(25) FIG. 1C is a schematic diagram showing a relative flipping and movement between a magnet and an armature or between a magnet and a magnet, where a pole face is a plane, but an initial position (engagement position) has an inclination angle.

(26) The N pole of the magnet M1 and the S pole of the magnet M2 attract toward each other. The S pole face of M2 is projected on a plane where the N pole face of M1 is located, and an area of an overlap region between a projection region and the N pole face of M1 is S1, i.e., the magnetic attracting area. When the predetermined M1 is fixed, and M2 moves in the B2 direction at a current position, the magnetic attracting area S1 is substantially unchanged, and the average spacing D1 of the magnets is gradually increased, thus the magnetic force is weakened. If M2 is flipped clockwise in the R1 direction with the P axis as the flipping axis in the current position from C1 to the critical position C2, then the magnetic attracting area is increased from S1 to S2, the average spacing of the magnet is gradually increased from D1 to D2, and at this time, the flipping in the R1 direction is defined as the forward flipping. During the process of flipping from C1 to C2, a magnetic force may be generally weakened, enhanced, unchanged, or a combination of at least two of the three states. By adjusting the magnetic attracting area and a magnetic density at an initial position, the magnetic force is generally weakened during the process of flipping from C1 to C2, without excluding local enhancement or unchangeableness. If M2 continues to be flipped in the R1 direction after reaching the C2 position, then the magnetic attracting area S2 begins to decrease, the average spacing D2 of the magnets continues to increase, and the magnetic force is continuously weakened until the magnetic force between M1 and M2 is sufficiently weakened for separation, therefore, the position C2 is a critical state that distinguishes the forward flipping from the side flipping.

(27) FIG. 1D shows a case where the magnet is unequal to the armature in size and the positions of the magnet and the armature are not directly aligned. a direct alignment means that a centerline of M1 is collinear with a centerline of M2. A collineation allows an error within 10% in actual product applications; more preferably, an error within 5%. Changes of the three different moving directions B1, B2 and B3 are analyzed by taking the C1 position shown in FIG. 1D as an initial position.

(28) When the magnet M2 moves downward in the B1 direction, the magnetic attracting area begins to increase and reaches a maximum when an upper bottom surface is flush with M1, and a moving process in this duration is defined as the side approaching. Until a lower bottom surface of M2 is flush with M1, the magnetic attracting area is continuously maintained at the maximum. If M2 continues to move in the B1 direction, the magnetic attracting area begins to decrease, and the average spacing D1 remains unchanged. In the whole process, a corresponding magnetic force is changed as follows: first increasing, then reaching the maximum and keeping stable, and finally gradually weakening.

(29) When the magnet M2 moves rightward in the B2 direction, the magnetic attracting area remains substantially unchanged, the average spacing D1 increases, and the magnetic force gradually decreases.

(30) When the magnet M2 moves to rightward and downward in the B3 direction from the C1 position to the C2 position, a movement in the B3 direction is decomposed into sub-movements in the B1 and B2 directions. The sub-movement in the B1 direction is the side approaching, making the magnetic attracting area increased from S1 to S2. The sub-movement in the B2 direction is forward moving away, making the average spacing increased from D1 to D2. There may be two cases of changes in the magnetic force, the first case is that the magnetic force is increased first and then decreased; and the second case is that magnetic force is gradually decreased. In a condition where the other conditions are unchanged, effects of the two different changes in the magnetic force are determined by B3, or determined by a forward moving away velocity and a side approaching velocity.

(31) Schematic Diagram 2

(32) FIGS. 2A-C show a principle of a self-locking formed by matching a hook-shaped head with a groove in shape. In the figures, G denotes the groove, and H denotes the hook-shaped head.

(33) In the state of FIG. 2C, the groove is engaged with the hook-shaped head to form a locking in the A5 direction. The A5 direction is the main load direction, and the angle between A5 and A6 is an acute angle t, so that the groove and the hook-shaped head form a self-locking.

(34) At the position of FIG. 2A, H advances in the A1 direction to reach the engaged state of FIG. 2C, and H will produce an elastic offset in the A3 direction at a moment when H is engaged into G. When the engaged state of FIG. 2C is reached, the elastic offset disappears.

(35) At the initial position of FIG. 2B, H reaches the engaged state of FIG. 2C along the A4 direction or other paths, and H may not have an elastic property.

(36) Schematic Diagram 3

(37) The first connecting component and the second connecting component to be connected are denoted by reference numerals 1 and 2. The two connecting components are separated by the separating line 3 for the sake of clarity, and the two connecting components are thus arranged side by side at intervals.

(38) As shown in FIG. 3A, M1, M2, and M3 are magnets. The N poles of M1 and M2 are configured to be downward, and the S pole of M3 is configured to be upward. The first connecting component 1 is provided with the first locking element with the gap 5-1 and the second locking element with the gap 5-2 arranged side by side, and the magnet M1 is provided above and coupled with the first locking element with the gap 5-1. The magnet M2 is provided above and coupled with the locking element with the gap 5-2. The second connecting component 2 includes the elastic locking member 4, and the magnet M3 is provided above the elastic locking member 4, so that in an engaged process of the locking element with the gap 5-1 or 5-2 with the elastic locking member 4, a magnetic force between the magnet M1 or M2 coupled with the locking element with the gap and the magnet M3 of the locking member makes it easier to realize an engagement. After the engagement, the magnet M1 or M2 and the magnet M3 of the locking member attract one another. Obviously, M1 and M2 can be replaced by armatures, and M3 is a magnet; or M1 and M2 are magnets, and M3 is an armature; or M1 and M2 are two poles of a magnet, and M3 is an armature. These combinations of the magnets and the armatures can realize the magnetic force between the above locking element with the gap and the locking member, which is easily conceivable to those skilled in the art.

(39) During an engaged process of the first connecting component 1 with the elastic locking member 4 of the second connecting component 2 in the A1 direction, at an engaged moment, the elastic locking member 4 is squeezed to cause an elastic offset in the A3 direction and pulled by a magnetic force between M1 and M3. The magnetic force between M1 and M3 makes the locking process smoother and achieves a good good haptic.

(40) The elastic locking member 4 in FIG. 3B is provided with a hook-shaped head matched with the locking element with the gap 5-1 or 5-2. The first locking element with the gap 5-1 is engaged with the elastic locking member 4 to form locking in a main load direction (in this embodiment, the main load direction is opposite to the engaged direction of A1), i.e., a locked state in a first position. At this time, M1 and M3 attract each other, and the engaged state is stable. At this time, if the first connecting component 1 is further pushed in the A1 direction, an engagement of the second locking element with the gap 5-2 with the elastic locking member 4 is further formed, i.e., a locked state in a second position. At this time, M2 and M3 attract each other, and the engaged state is stable.

(41) During a process of moving from the first locking element with the gap 5-1 to the second locking element with the gap 5-2, an attractive magnetic force is first strong, then turns weak and finally turns strong, having a large force contrast. The magnetic force interacts with an elasticity of the elastic locking member 4, which makes the good haptic in a process of adjusting positions more obvious.

(42) In FIG. 3C, the first connecting component 1 is withdrawn in the A2 direction, and the locking device is opened. The opening direction A2 is different from the main load direction. The attractive magnetic force between M1 and M3 needs to be overcome when opening. The attractive magnetic force can offset a non-human load shaking within a certain degree, so that the connection is not easy to open, and has firm and reliable effects. In a preferred embodiment, the opening direction A2 is at an obtuse angle or a right angle to the main load direction.

(43) As shown in FIG. 3D, in order to avoid an excessive offset of the elastic locking member 4 in the A3 direction or an opposite direction of A3, the baffle 6 may be provided on the first connecting component 1 or the second connecting component 2.

(44) The related principles shown in the above schematic diagrams 1 to 3 are described in detail below with the reference to specific embodiments.

Embodiment 1

(45) The locking device shown in FIG. 4A is a locking device with one position, which is widely used in backpacks, belts or the like. The locking device includes the first connecting component 11 and the second connecting component 12. The first connecting component 11 is provided with one locking element with a gap 14 (as shown in FIG. 4C), and the locking element with the gap 14 is rigidly coupled with the magnet 16 (FIG. 4D). The second connecting component 12 is provided with one elastic locking member 13, and the elastic locking member 13 has the upper portion 13a and the lower portion 13b. The second connecting component 12 is engaged in the direction of A1 to squeeze the elastic locking member 13, and then the elastic locking member 13 is engaged into the locking element with the gap 14 to be immediately locked. After being locked, a relative movement between the first connecting component 11 and the second connecting component 12 in the A1 direction are no longer allowed. All movements refer to relative movements, and the first connecting component 11 is assumed to be fixed in this figure.

(46) FIG. 4B shows a state in which the first connecting component 11 and the second connecting component 12 are locked. In this state, the second connecting component 12 is allowed to move only in the A2 direction relative to the first connecting component 11 for opening.

(47) FIG. 4C is a cross-sectional view in an A-A direction of FIG. 4B. The locking element with the gap 14 is divided into two symmetrical portions including the upper portion 14a and the lower portion 14b, which are matched with two symmetrical wedge-shaped projections, i.e., the upper wedge-shaped projection 13a and lower wedge-shaped projection 13b, on the elastic locking member 13. The locking element with the gap 14 and the elastic locking member 13 are designed in two parts, which can improve a force distribution and enhance a locking capability compared to one part. The locking element with the gap 14 is a groove and the elastic locking member 13 is a wedge-shaped projection, such design is conductive to process. In other embodiments, the locking element with the gap may be a protrusion, and the elastic locking member is a groove, as long as the shapes can be matched with each other to form a self-locking.

(48) FIG. 4D is a cross-sectional view in a B-B direction of FIG. 4B. In a locked state, the magnet 15 on the second connecting component 12 and the magnet 16 on the first connecting component 11 attract each other. Obviously, one of the magnet 15 and the magnet 16 may be replaced with an armature, which achieve the effect of mutual attraction as well.

Embodiment 2

(49) The locking device shown in FIGS. 5a-5d supports an adjustment of two positions, which is used for backpacks, belts and the like as well. The locking device includes the first connecting component 21 and the second connecting component 22, and the first connecting component 21 has two locking elements with gaps s including the first locking element with the gap 24 and the second locking element with the gap 25 (as shown in FIG. 5C). The second connecting component 22 is provided with the elastic locking member 23, and the elastic locking member 23 includes the upper portion 23a and the lower portion 23b; and the magnet 28 is provided on the second connecting component 22. The second connecting component 22 is engaged in the A1 direction, and when the elastic locking member 23 is engaged with the first locking element with the gap 24, the first position is formed. The second connecting component 22 continues to be engaged, when the elastic locking member 23 is engaged with the second locking element with the gap 25, the second position is formed. FIG. 5A is the same as FIG. 4A in that the second connecting component has only one elastic locking member, however, the first connecting component in the present structure has two locking elements with gaps s, and a specific structure can be seen in the cross-sectional view FIG. 5C.

(50) FIG. 5B shows a locked state of the first connecting component 21 and the second connecting component 22. In this state, the second connecting component 22 is allowed to move only in the A2 direction relative to the first connecting component 21 for opening. The movement is a relative movement, and the first connecting component 21 is assumed to be fixed in this figure.

(51) FIG. 5C is a cross-sectional view in an A-A direction of FIG. 5B. The first locking element with the gap 24 and the second locking element with the gap 25 are designed to be grooves. The first locking element with the gap 24 includes the upper portion 24a and the lower portion 24b. The second locking element with the gap 25 includes the upper portion 25a and the lower portion 25b. All of the upper portions and the lower portions can be matched with the upper portion 23a and the lower portion 23b of the elastic locking member 23 in shape.

(52) FIG. 5D is a cross-sectional view in a B-B direction of FIG. 5B. In the locked state of the first position, the magnet 27 and the magnet 28 attract to each other. In the locked state of the second position, the magnet 26 and the magnet 28 attract to each other. In some embodiments, the magnet 26 and the magnet 27 are two poles of a magnet, and the corresponding original magnet 28 is an armature, which achieves the effect of mutual attraction as well.

Embodiment 3

(53) The locking device shown in FIGS. 6a-6d has a distinguishing feature of having two pairs of magnet-armature structures, wherein sizes of the magnet and the armature are different, and in a locked state, the magnet is not directly aligned with the armature. The locking device is characterized in that: the locking device is moved from the engaged position to the non-engaged position when opening, and a relative movement between the magnet and the armature may be a resultant movement of a forward moving away and a side approaching.

(54) FIG. 6A is a state diagram in which the first connecting component 31 is separated from the second connecting component 32. 33a is the elastic locking member, and 35a and 36a are the magnets. The second connecting component 32 is locked and engaged in the A2 direction.

(55) FIG. 6B is a diagram showing a locked state of the first connecting component 31 and the second connecting component 32.

(56) FIG. 6C is a front view of the locking device in a locked state.

(57) FIG. 6D is a cross-sectional view in an A-A direction of FIG. 6C. 35b and 36b are the magnets. The advantage of designing two pairs of magnets in this embodiment is that the magnetic force is enhanced and distributed uniformly, the locking is smoother, and the connection is firmer. Since the withdrawing direction A1 is at an obtuse angle with the main load direction (the main load direction is opposite to the engaged direction A2 in this embodiment), when the second connecting component 32 is withdrawn, the average spacing between 35b and 36b is gradually increased, but the magnetic attracting area is temporarily increased and then decreased, a combination of the average spacing and the magnetic attracting area also results in that the magnetic force is gradually weakened. In some embodiments, due to the different arrangements of magnet pairs, the magnetic force may be temporarily increased and then gradually weakened in the opening direction.

Embodiment 4

(58) The distinguishing features of the locking device shown in FIGS. 7a-7d are that an opening manner is flipping, and the locking member and the locking element with the gap are not elastic.

(59) In FIG. 7A, 41 is the first connecting component, and 42 is the second connecting component.

(60) FIG. 7C is a cross-sectional view of a cross-sectional position of FIG. 7B. In the figure, 46 is the magnet of the first connecting component, and 45 is the magnet of the second connecting component. The position shown in FIG. 7A is the engaged position.

(61) FIG. 7D shows a flipping state of the locking device during opening. 43 is the locking member, and 44 is the locking element with the gap. The opening direction of the locking device is the R direction. During the opening process, the magnetic attracting area between 45 and 46 is gradually increased, and the average spacing is also gradually increased. When the magnetic force is weak enough, 41 and 42 are no longer engaged with each other.

Embodiment 5

(62) FIGS. 8a-8e show another embodiment. A feature of this embodiment is that positions of magnets are not directly aligned in an engaged state. When the positions of the magnets are not directly aligned, a property that the magnet has a higher magnetic density in a tip region makes the locking smoother.

(63) In FIG. 8A, 51 is the first connecting component, and 52 is the second connecting component.

(64) FIG. 8B is a structural diagram of the first connecting component 51, where 55 is the magnet, and 53a and 53b are elastic locking members.

(65) FIG. 8C is a structural diagram of the second connecting component 52, where 56 is the magnet, and 54a and 54b are locking elements with gaps, 54a and 54b are respectively matched with 53a and 53b in shape.

(66) FIG. 8D is a diagram of an engaged state of 51 and 52. At this time, 55 and 56 attract each other, the structure is stable, and only a movement in the opening direction A2 is allowed.

(67) FIG. 8E is a cross-sectional view of an A-A position shown in FIG. 8D. At this time, the state is the engaged state, 55 and 56 attract each other, but are not directly aligned with each other.

Embodiment 6

(68) FIGS. 9a-9e show another embodiment. Features of this embodiment are as follows: an opening manner is rotation, from the engaged position to the non-engaged position when opening, a magnetic attracting area is substantially unchanged, a magnetic force is also substantially unchanged, and after reaching the non-engaged position, the magnet is forward moving away and the magnetic force is gradually weakened.

(69) In FIG. 9A, 61 is the first connecting component, and 62 is the second connecting component. 62 is inserted into 61 in the A2 direction.

(70) FIG. 9B is a structural diagram of the first connecting component, where 64a and 64b are two locking elements with gaps s.

(71) FIG. 9C is a structural diagram of the second connecting component, where 63a and 63b are two elastic locking members allowing for outward elastic expansion. 63 and 64 are engaged with each other to form a self-locking.

(72) FIG. 9D is a plan view of an engaged state of 61 and 62. At this time, the rotation in the clockwise R direction is allowed. After rotating by 90, the 61 and 62 are detached. In other embodiments, an angle of the rotation from the engaged position to the non-engaged position may vary.

(73) FIG. 9E is a cross-sectional view of a cross-sectional position shown in FIG. 9D, where 65 and 66 are magnets placed in a mutually attracted state. Both 65 and 66 are cylindrical magnets, so that the magnetic attracting area does not substantially change during the rotation.

Embodiment 7

(74) This embodiment provides a tilting-type locking device, and an opening manner thereof is the opening mechanism of embodiment 4, which is a further embodiment of the structure of embodiment 4. A first fastening member in this embodiment corresponds to the first connecting component in embodiment 4, and a second fastening member corresponds to the second connecting component in embodiment 4.

(75) As shown in FIG. 10 to FIG. 12, the tilting-type locking device is configured for connecting a first component and a second component. The tilting-type locking device includes the first fastening member 10 fixed to the first component and the second fastening member 20 fixed to the second component. The first fastening member 10 includes the base 100, the first blocking portion 101 formed by extending upward from one end of the base 100, and at least one first locking structure 102 provided at the other end of the base 100. A dihedral angle of the first blocking portion 101 and the base 100 is not more than 90, and a fastening space is formed between the first blocking portion 101 and the first locking structure 102. At least one first magnetic component 30 is provided on the base 100 at a position corresponding to the fastening space. The second fastening member 20 includes the magnetic attracting portion 200. The abutting portion 201 abutting against the first blocking portion 101 is provided at one end of the magnetic attracting portion 200, and the force applying member 202 for indirectly applying a force to the first blocking portion 101 through the abutting portion 201 is provided at the end. The second fastening member 20 is connected to the second component by the force applying member 202. The second locking structure 203 is provided on the magnetic attracting portion 200 at a position corresponding to a position of the first locking structure 102, and the second locking structure 203 is matched with the first locking structure 102 and movable in a magnetic attracting direction relative to the first locking structure 102. The second magnetic component 40 magnetically matched with the first magnetic component 30 is provided on the magnetic attracting portion 200 at a position corresponding to the first magnetic component 30.

(76) In actual use, the first fastening member 10 is fixed to the first component, and the second fastening member 20 is connected to the second component by the force applying member 202. The first component and the second component may be respectively two separated parts that need to be connected in a backpack, a belt, a dog collar, etc. When the second fastening member 20 is magnetically attracted to the fastening space of the first fastening member 10, a connection of the two separated parts can be realized. The abutting portion 201 abuts against the first blocking portion 101, and the second locking structure 203 is locked with the first locking structure 102. Therefore, when the two separated parts are pulled left or right, the second fastening member 20 is not detached from the first fastening member 10 due to being blocked by the first blocking portion 101. When the first fastening member 10 and the second fastening member 20 need to be opened, a force is applied in an upper and lower magnetic direction between the first magnetic component 30 and the second magnetic component 40, at this time, the second fastening member 20 is not blocked by the first blocking portion 101 and the first locking structure 102. Thus, the second fastening member 20 can be detached from the first fastening member 10, and the two separated parts are opened. In FIG. 12, the force F1 and the force F2 indicate the upper and lower magnetic attraction directions. One of ordinary skill in the art should understand that a direction of the force applied to detach the first fastening member 10 from the second fastening member 20 in the upper and lower magnetic attraction direction is opposite to a direction of the force F1 or the force F2.

(77) In this embodiment, a dihedral angle between the first blocking portion 101 and the base 100 is not more than 90, thus, when the force applying member 202 is subjected to a pulling force from left or right, the first blocking portion 101 can well block the second fastening member 20 from being detached from the first fastening member 10; and when a force is applied in the upper and lower magnetic attraction direction, the first blocking portion 101 does not block the second fastening member 20 from being detached from the first fastening member 10. However, if the dihedral angle between the first blocking portion 101 and the base 100 is greater than 90, that is, the first blocking portion 101 forms an obtuse angle with the base 100, at this time, after a force is applied by the force applying member 202 in the second fastening member 20, the second fastening member 20 may be detached from the first blocking portion 101 of the first fastening member 10, which is difficult to meet the use requirements.

(78) Generally, the dihedral angle between the first blocking portion 101 and the base 100 is preferably set to be not less than 60 and not more than 90, thus, the first blocking portion 101 can realize a good blocking effect in the left and right directions, and the second fastening member 20 can be easily detached from the first fastening member 10 in the upper and lower magnetic attraction directions. As shown in FIG. 12, in this embodiment, the dihedral angle of the first blocking portion 101 with respect to the base 100 is 70.

(79) In this embodiment, the force applying member 202 may be provided at a force applying position of the magnetic attracting portion 200 in a fixed connection manner, or the force applying member 202 may also be formed into one piece with the magnetic attracting portion 200.

(80) Obviously, the force applying member 202 may also be pivotably provided at the force applying position of the magnetic attracting portion 200. For example, as shown in FIG. 11 and FIG. 12, an end of the base 100 close to the first blocking portion 101 is recessed downward from an upper surface to form the groove 1000. The first mounting groove 2000 recessed inwardly for mounting the force applying member 202 is provided on a lower surface of the magnetic attracting portion 200 at a position corresponding to the groove 1000. The hook portion 2001 for locking the force applying member 202 into the first mounting groove 2000 and capable of being accommodated in the groove 1000 is formed by a downward extension of a side surface of the first mounting groove 2000 close to the abutting portion 201. When the force applying member 202 is provided in the first mounting groove 2000, the hook portion 2001 makes a groove opening of the first mounting groove 2000 small relative to a space of the first mounting groove 2000. The force applying member 202 is not prone to be detached when mounted in the first mounting groove 2000, and the force applying member 202 is rotatable relative to the first mounting force applying 2000. Meanwhile, the force applying member 202 is closer to an upper surface of the base 100 of the first fastening member 10, and a force applying effect is better.

(81) In this embodiment, as shown in FIG. 11 and FIG. 12, a side surface 1010 of the groove 1000 away from the first blocking portion 101 is slope-shaped, and an outer surface of the hook portion 2001 is arc-shaped. When the arc-shaped hook portion 2001 abuts against the slope-shaped side surface 1010 of the groove 1000, the arc-shaped hook portion 2001 slides relative to the slope-shaped side surface 1010 into the groove 1000. At this time, the second fastening member 20 can be automatically locked and magnetically attracted to the first fastening member 10, thus, this design is more convenient to lock the second fastening member 20 and the first fastening member 10 during use.

(82) The force applying member 202 may be realized by a metal buckle or a plastic buckle. The metal buckle or the plastic buckle may usually be a square buckle with a crossbar provided in a middle, or a square buckle without a crossbar. Obviously, the metal buckle or the plastic buckle may also be designed into other shapes according to actual needs. Obviously, in other embodiments, the force applying member 202 may also be realized by a chain, a cable, a rope, etc.

(83) As shown in FIG. 12, an upper end portion of the abutting portion 201 is abuts against an upper end portion of the first blocking portion 101, and a lower end portion of the abutting portion 201 is not in contact with a lower end portion of the first blocking portion 101. When the second fastening member 20 is horizontally placed, a height of the upper end portion of the abutting portion 201 is larger than a height of the first mounting groove 2000, and the lower end portion of the abutting portion 201 is lower than the height of the first mounting groove 2000. Generally, as shown in FIG. 12, the abutting portion 201 is designed to have a curved shape. Thus, when the force applying member 202 works, the force applying member 202 applies the force F3 on the first blocking portion 101. At this time, an interaction force is generated at a contact point position of the upper end portion of the abutting portion 201 and the upper end portion of the first blocking portion 101, thereby forming a moment of force allowing the second fastening member 20 to have a tendency to rotate around the contact point position between the abutting portion 201 and the first blocking portion 101. At this time, the second fastening member 20 is closer to the first fastening member 10, and a fixing effect between the second fastening member 20 and the first fastening member 10 is better.

(84) In order to facilitate applying a force in the upper and lower magnetic attraction directions to detach the second fastening member 20 from the first fastening member 10, in this embodiment, a pulling member for pulling out the second fastening member 20 magnetically attracted to the first fastening member 10 is further provided on the magnetic attracting portion 200.

(85) As shown in FIG. 11, in this embodiment, the pulling member is provided at one end of the magnetic attracting portion 200 away from the abutting portion 201, and the pulling member is a rope, a cloth strip, a handle, etc. When the pulling member is the rope or the cloth strip, the pulling member is usually movably connected to the magnetic attracting portion 200; when the pulling member is the handle, the pulling member is usually fixedly connected to the magnetic attracting portion 200 or formed into one piece with the magnetic attracting portion 200.

(86) In this embodiment, the first magnetic component 30 may be fixed to the base 100 by a glue or a one-piece injection molding. The second magnetic component 40 may be fixed to the magnetic attracting portion 200 by the glue or the one-piece injection molding.

(87) In this embodiment, as shown in FIG. 11, the first magnetic component 30 and the second magnetic component 40 are fixed by glue.

(88) When the first magnetic component 30 and the second magnetic component 40 are provided by the one-piece injection molding, one of ordinary skill in the art can understand that the injection molding process is generally completed when the first fastening member 10 and the second fastening member 20 are processed.

(89) The fixing manners of the first magnetic component 30 and the second magnetic component 40 may be different from each other. At least one of the first magnetic component 30 and the second magnetic component 40 may be fixed by the one-piece injection molding. In order to better limit the second fastening member 20, prevent the second fastening member 20 from a detachment in the left and right directions, and only allow to realize the opening and closing in the upper and lower magnetic attraction directions, in this embodiment, as shown in FIG. 11 and FIG. 12, the protruding second blocking portion 103 is further provided on the upper surface of the base 100 at a position corresponding to the fastening space. The accommodating groove hole 204 for accommodating the second blocking portion 103 is provided on the magnetic attraction portion 200 at a position corresponding to the second blocking portion 103. During use, the accommodating groove hole 204 accommodates the second blocking portion 103. When the force applying member 22 works, the abutting portion 21 is blocked by the first blocking portion 11 so that the second fastening member 2 does not detach from the first fastening member 1. When the force F4 opposite to the force F3 is applied to the second fastening member 20 in a direction away from the force applying member 202, the second fastening member 20 is blocked by the second blocking portion 103, and the second fastening member 20 also does not detach from the first fastening member 10, at this time, the second fastening member 20 can only achieve opening and closing in the upper and lower magnetic attraction directions.

(90) As shown in FIG. 11, the accommodating groove hole 204 is a groove hole penetrating through the upper and lower surfaces of the magnetic attracting portion 200. The through hole 205 is provided between the groove hole and the second locking structure 203. The separating plate 206 is provided between the through hole 205 and the groove hole. The pulling member made of the rope, the cloth strip, or the like is movably fixed to the separating plate 206.

(91) As shown in FIG. 11, in order to facilitate the mounting of the first fastening member 10 in the first component, the mounting buckle 104 for mounting the first fastening member 10 on the first component is further formed by an outward extension of an end of the base 100 away from the first blocking portion 101 of the base 100.

(92) Obviously, in other embodiments, the first fastening member 10 may also be fixed to the first component in manners of bonding, screwing by a screw, etc., and the structure thereof is changed accordingly.

(93) As shown in FIG. 11 and FIG. 12, the first locking structure 102 is a locking hole, and the second locking structure 203 is a protruding locking block provided on a lower surface of the magnetic attracting portion 200. When a magnetic force is performed, the locking block is locked in the locking hole to realize a limit function, and the locking block can move relative to the locking hole in the magnetic attraction direction. In other embodiments, alternatively, the first locking structure 102 may be designed as a locking block, and the second locking structure 203 is a locking hole provided on the lower surface of the magnetic attracting portion 200. Obviously, the first locking structure 102 and the second locking structure 203 may also be designed into other structures according to actual needs, as long as not affecting the separation of the second fastening member 20 from the first fastening member 10 due to a mutual blockage in the magnetic attraction direction.

(94) In this embodiment, the first magnetic component 30 and the second magnetic component 40 may be both magnets; or, the first magnetic component 30 is a magnet, and the second magnetic component 40 is made of a metal material, such as an armature, etc, that can be magnetically attracted to the magnet; or, the first magnetic component 30 is made of a metal material, such as an armature, etc, that can be magnetically attracted to a magnet, and the second magnetic component 40 is the magnet. The user can select any one of the different embodiments according to actual needs and cost.

(95) In this embodiment, as shown in FIG. 10, the first fastening member 10 and the second fastening member 20 are both square-shaped. Obviously, in other embodiments, the shapes of the first fastening member 10 and the second fastening member 20 may be designed according to actual needs to meet the requirements of practicality and aesthetics.

Embodiment 8

(96) The basic structures of the first fastening members (100 and 100) and the second fastening members (200 and 200) in the tilting-type locking devices provided in embodiment 8 shown in FIGS. 13 to 15 and embodiment 7 are similar. Structural designs of the first locking structures (102 and 102) and the second locking structures (203 and 203), material selections of the first magnetic components (30 and 30) and the second magnetic components (40 and 40), etc. are similar. The difference thereof is that, as shown in FIGS. 14 and 15, a dihedral angle of the first blocking portion 101 with respect to the base 100 is 80. The force applying member 202 is also pivotally provided at a force applying position of the magnetic attracting portion 200, but the position of the force applying member 202 is different from that of embodiment 7. Specifically, as shown in FIG. 13 and FIG. 14, the second mounting groove 2000 for mounting the force applying member 202 is recessed downward from an upper surface at one end of the magnetic attracting portion 200 close to the abutting portion 201. A plurality of protruding blocks 2001 for locking the force applying member 202 in the second mounting groove 2000 are provided at two sides of an upper opening of the second mounting groove 2000.

(97) When the force applying member 202 is provided in the second mounting groove 2000, the protruding blocks 2001 prevents the force applying member 202 from coming out of the second mounting groove 2000, and the force applying member 202 is rotatable relative to the second mounting groove 2000. Meanwhile, since the force applying member 202 is provided in the second mounting groove 2000 formed at the upper surface of the magnetic attracting portion 200, the lower bottom surface of the magnetic attracting portion 200 is relatively flat, and accordingly, the upper surface of the base 100 of the first fastening member 10 does not need to be provided with a structure such as a groove, etc., and the structure is simpler. In addition, the magnetic state and the forced process of the first fastening member 10 and the second fastening member 20 are similar to those in embodiment 7, which are not described herein.

(98) In addition, as shown in FIG. 15, the abutting portion 201 is designed to be matched with the first blocking portion 101, and the abutting portion 201 is fitted with and abuts against an inner side surface of the first blocking portion 101, which can achieve a good abutting effect as well.

(99) Similarly, the method of fixing the first magnetic component 30 and the second magnetic component 40 may be a glue bonding method or an one-piece injection molding method.

(100) The above descriptions are merely the preferred embodiments of the present invention, which are further detailed description of the present invention in combination with the specific preferred embodiments, and cannot be concluded that the specific implementation of the present invention is limited to these embodiments. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protective scope of the present invention.