MAGNETIC ATTRACTION BUCKLE

Abstract

A magnetic attraction buckle is provided, which includes a first body and a second body that are cooperated and engaged with each other. The first body is provided with a clamping part that is protruded, the clamping part is provided with a first magnetic piece. The second body is provided with a clamping groove that accommodates the clamping part. The second body is internally provided with a movable locking piece, and the locking piece is provided with a second magnetic piece that attracts the first magnetic piece when locked and a third magnetic piece that repels the first magnetic piece when unlocked. This application effectively solves a technical problem of inconvenient one-handed operation of existing webbing buckles.

Claims

1. A magnetic attraction buckle, comprising a first body and a second body that are cooperated and engaged with each other, wherein the first body is provided with a clamping part that is protruded, the clamping part is provided with a first magnetic piece, the second body is provided with a clamping groove that accommodates the clamping part, the second body is internally provided with a movable locking piece, and the locking piece is provided with a second magnetic piece that attracts the first magnetic piece when locked and a third magnetic piece that repels the first magnetic piece when unlocked.

2. The magnetic attraction buckle according to claim 1, wherein the clamping part is provided with a first clamping end, the locking piece is provided with a second clamping end, the first clamping end and the second clamping end are cooperated and engaged with each other, the locking piece moves inside the second body to cause the second clamping end to be close to or far away from the first clamping end for locking or unlocking.

3. The magnetic attraction buckle according to claim 2, wherein the locking piece comprises a locking piece body, the locking piece body is provided at a tail end of the clamping groove, the first clamping end is provided on a side of the clamping part, and the second clamping end is provided on a side of the locking piece body and corresponds to a position of the first clamping end.

4. The magnetic attraction buckle according to claim 3, wherein the first magnetic piece is arranged at a tail end of the clamping part that is close to the locking piece body, the second magnetic piece and the third magnetic piece are both provided on the locking piece body, when the locking piece is locked with the clamping part, the first magnetic piece and the second magnetic piece correspond in position and attract each other, and the third magnetic piece is provided on one side of the second magnetic piece away from the second clamping end.

5. The magnetic attraction buckle according to claim 4, wherein fourth magnetic pieces corresponding to a position of the third magnetic piece and mutually attracting the third magnetic piece when the first magnetic piece is locked are provided on one side of the first magnetic piece away from the first clamping end, and/or the fourth magnetic pieces corresponding to a position of the second magnetic piece and mutually repelling the second magnetic piece when the first magnetic piece is unlocked are provided on one side of the first magnetic piece close to the first clamping end.

6. The magnetic attraction buckle according to claim 4, wherein a movement distance of the second clamping end towards a direction away from the first clamping end is at least a distance between a side of the second magnetic piece away from the second clamping end and a side of the third magnetic piece away from the second clamping end.

7. The magnetic attraction buckle according to claim 3, wherein the second body is provided with a switch component that is at least partially exposed outside, and the switch component is connected to the locking piece for transmission and drives the locking pieces to move inside the second body.

8. The magnetic attraction buckle according to claim 7, wherein the switch component is hinged on the second body and contacts one end of the locking piece body away from the second clamping end, and pressing the switch component causes the second clamping end to move in a direction away from the first clamping end.

9. The magnetic attraction buckle according to claim 8, wherein the switch component is cam shaped, and the switch component is provided with a first protruding portion and a second protruding portion that are protruded laterally; a hinge axis of the switch component is provided at one end away from the first protruding portion and the second protruding portion, and the first protruding portion is exposed at an outer side of the second body; the second protruding portion is provided on an inner side of the second body and is in contact with one end of the locking piece body that is away from the second clamping end; when the first protrusion is pressed, the second protrusion squeezes the locking piece body, and the second clamping end is caused to move away from the first clamping end.

10. The magnetic attraction buckle according to claim 9, wherein the locking piece body is provided with an elastic element on one side away from the first clamping end, and the elastic element makes the second clamping end have a tendency to reset after being away from the first clamping end; the second protruding portion comprises a force applying surface and a first self-locking surface, and the locking piece body is respectively provided with a force receiving surface and a second self-locking surface adapted to the force applying surface and the first self-locking surface; the force applying surface and the force receiving surface are both inclined surfaces; when the first protruding portion is pressed, the force applying surface presses against the force receiving surface, thereby unlocking the locking piece body; the first self-locking surface is a curved surface protruding outward, and the second self-locking surface is a curved surface recessed inward; when the locking piece body is reset, the first self-locking surface is pressed against the second self-locking surface to limit a limit position of the locking piece body that is reset to complete a self-locking of the locking piece body upon resetting.

11. The magnetic attraction buckle according to claim 8, wherein there are two switch components and the two switch components are provided on two sides of the second body, each of the switch components is provided with a bulge that protrudes laterally and is exposed outside the second body; there is a deformation part between the two switch components, and the deformation part is in contact with one end of the locking piece body that is far away from the second clamping end; two ends of the deformation part are respectively connected to the two switch components; when the bulge of the switch components is pressed, the switch components are rotated to cause the deformation part to be deformed towards the locking piece body, the locking piece body is pushed, and the second clamping end is moved in a direction away from the first clamping end.

12. The magnetic attraction buckle according to claim 11, wherein a U-shaped guide structure protruding towards the locking piece body and in contact with the locking piece body is provided at a center of the deformation part.

13. The magnetic attraction buckle according to claim 2, wherein a shape of the second clamping end matches that of the first clamping end, and the first clamping end and the second clamping end are respectively provided with inclined surfaces that are cooperated with each other to facilitate mutual locking.

14. The magnetic attraction buckle according to claim 2, wherein the locking piece is provided with an elastic element on one side away from the first clamping end, and the elastic element makes the second clamping end have a tendency to reset after being away from the first clamping end.

Description

BRIEF DESCRIPTION OF DRAWINGS

[0028] The accompanying drawings described herein are intended to provide further understanding of the present application and constitute a part of the present application. The illustrative embodiments and their descriptions of the present application are used to explain the present application and do not constitute undue limitation of the present application.

[0029] FIG. 1 is a schematic diagram of an overall structure of an embodiment of the present application.

[0030] FIG. 2 is a cross-sectional view of an embodiment of the present application.

[0031] FIG. 3 is an exploded view of an embodiment of the present application.

[0032] FIG. 4 is a schematic structural diagram of a clamping groove in an embodiment of the present application.

[0033] FIG. 5 is a schematic structural diagram of a locking piece body and a switch component in an embodiment of the present application.

[0034] FIG. 6 is an enlarged view of a contact area between the locking piece body and the switch component.

[0035] FIG. 7 is a cross-sectional view of an embodiment with a fourth magnetic piece.

[0036] FIG. 8 is a schematic structural diagram of the switch component in an embodiment of the present application.

[0037] Numeral reference: first body 1; clamping part 1.1; first clamping end 1.1.1; first magnetic piece 1.2; second body 2; clamping groove 2.1; locking piece body 3.1; second clamping end 3.2; second magnetic piece 3.3; third magnetic piece 3.4; switch component 4; first protruding portion 4.1; second protruding portion 4.2; bulge 4.3; deformation part 4.4; U-shaped guide structure 4.5; connection part 5; elastic element 6; fourth magnetic piece 7; force applying surface 8.1; first self-locking surface 8.2; force receiving surface 8.3; second self-locking surface 8.4.

DESCRIPTION OF EMBODIMENTS

[0038] The present application provides a magnetic attraction buckle, which includes a first body and a second body that are cooperated and engaged with each other. The first body is provided with a clamping part that is protruded, and the clamping portion is provided with a first magnetic piece. The second body is provided with a clamping groove that can accommodate the clamping portion. The second body is internally provided with a movable locking piece, and the locking piece is provided with a second magnetic piece that attracts the first magnetic piece when locked and a third magnetic piece that repels the first magnetic piece when unlocked.

[0039] As shown in FIGS. 1-4, a magnetic attraction buckle includes a first body 1 and a second body 2 that are cooperated and engaged with each other. The first body 1 is provided with an upward protruding cylindrical clamping part 1.1, and a lower end of the second body 2 is provided with a clamping groove 2.1 that matches a shape of the clamping part 1.1. The clamping part 1.1 can be accommodated in the clamping groove 2.1 to achieve mutual clamping and cooperation between the first body 1 and the second body 2.

[0040] In an implementation mode, a side of the clamping part 1.1 is provided with a first clamping end 1.1.1. The second body 2 is internally provided with a movable locking piece, and the locking piece includes a locking piece body 3.1 and a second clamping end 3.2. The locking piece body 3.1 is provided at a tail end of the clamping groove 2.1 and cooperates with a top of the clamping part 1.1. The second clamping end 3.2 is provided on one side of the locking piece body 3.1 close to the clamping part 1.1 and extends towards the first clamping end 1.1.1, corresponds to a position of the first clamping end 1.1.1. The first clamping end 1.1.1 and the second clamping end 3.2 can cooperate with each other for clamping.

[0041] In an implementation mode, an upper end of the second body 2 is provided with a switch component 4 that is at least partially exposed, and the switch component 4 is hinged on the second body 2 and contacts with one end of the locking piece body 3.1 that is away from the second clamping end 3.2. The locking piece body 3.1 is provided with a curved surface that cooperates and connects with the switch component 4. Pressing the switch component 4 can cause the second clamping end 3.2 to move in a direction away from the first clamping end 1.1.1 within the second body 2. One side of the locking piece away from the first clamping end 1.1.1 is provided with an elastic element 6 (which can be a spring, in this embodiment, it is a spring plate) that abuts against an interior of the second body 2. The elastic element 6 makes the second clamping end 3.2 have a tendency to reset after being away from the first clamping end 1.1.1. Pressing the switch component 4 can push the locking piece, thereby driving the second clamping end 3.2 away from the first clamping end 1.1.1 and unlock the locking piece and the clamping part 1.1. The elastic element 6 pushes the locking piece to reset, thereby driving the second clamping end 3.2 to approach the first clamping end 1.1.1 and achieving the locking of the locking piece and the clamping part 1.1.

[0042] As shown in FIGS. 5 and 6, there are two switch components 4, and they are respectively provided on two sides of the second body 2. An overall shape of the switch components 4 is cam shaped, the switch components 4 are provided with a first protruding portion 4.1 and a second protruding portion 4.2 protruding laterally. The first protruding portion 4.1 is exposed on an outside of the second body 2, and the second protruding portion 4.2 is provided on an interior of the second body 2 and contacts one end of the locking piece body 3.1 away from the second clamping end 3.2. When the first protruding portion 4.1 is pressed, the second protruding portion 4.2 squeezes the locking piece body 3.1, the second clamping end 3.2 is caused to move in a direction away from the first clamping end 1.1.1.

[0043] The second protruding portion 4.2 includes a force applying surface 8.1 and a first self-locking surface 8.2, and the locking piece body 3.1 is respectively provided with a force receiving surface 8.3 and a second self-locking surface 8.4 that are adapted to the force applying surface 8.1 and the first self-locking surface 8.2. The force applying surface 8.1 and the force receiving surface 8.3 are both inclined surfaces. When the first protruding portion 4.1 is pressed, the force applying surface 8.1 presses against the force receiving surface 8.3, thereby unlocking the locking piece body 3.1.

[0044] The first self-locking surface 8.2 is a curved surface protruding outward, and the second self-locking surface 8.4 is a curved surface recessed inward. When the locking piece body 3.1 is reset under an action of the elastic element 6, the first self-locking surface 8.2 is pressed against the second self-locking surface 8.4, which can limit a limit position of the locking piece body 3.1 after reset so as to complete a self-locking of the locking piece body 3.1 during reset.

[0045] In an implementation mode, the top of the clamping part 1.1 is provided with a first magnetic piece 1.2 close to the locking piece body 3.1, and the locking piece body 3.1 is provided with a second magnetic piece 3.3 and a third magnetic piece 3.4 that can cooperate with the first magnetic piece 1.2. The second magnetic piece 3.3 can attract the first magnetic piece 1.2, and the third magnetic piece 3.4 can repel the first magnetic piece 1.2. The second magnetic piece 3.3 and the third magnetic piece 3.4 are arranged in parallel on the locking piece body 3.1, and the third magnetic piece 3.4 is provided on one side of the second magnetic piece 3.3 away from the second clamping end 3.2.

[0046] In an implementation mode, in this application, fourth magnetic pieces 7 are further provided at the top of the clamping part 1.1 near the locking piece body 3.1. The fourth magnetic pieces 7 can be provided on one side of the first magnetic piece 1.2 away from the first clamping end 1.1.1, and corresponds to a position of the third magnetic piece 3.4 in a locked state. The third magnetic piece 3.4 can attract the fourth magnetic pieces 7 to each other; or the fourth magnetic pieces 7 can be provided on one side of the first magnetic piece 1.2 close to the first clamping end 1.1.1, and correspond to a position of the second magnetic piece 3.3 in an unlocked state. The second magnetic piece 3.3 can repel the fourth magnetic pieces 7; or based on the above arrangement, the fourth magnetic pieces 7 can be simultaneously provided on two sides of the first magnetic piece 1.2.

[0047] In an implementation mode, a movement distance of the second clamping end 3.2 moving away from the first clamping end 1.1.1 until it completely separates from the first clamping end 1.1.1 is a distance between a side of the second magnetic piece 3.3 away from the second clamping end 3.2 to a side of the third magnetic piece 3.4 away from the second clamping end 3.2. A distance between the second magnetic piece 3.3 and the third magnetic piece 3.4 is 1 mm, and specifications of the first magnetic piece 1.2, the second magnetic piece 3.3, the third magnetic piece 3.4, and the fourth magnetic pieces 7 are the same, with a width of 4 mm. Therefore, a movement distance of the second clamping end 3.2 towards a direction away from the first clamping end 1.1.1 is at least 5 mm.

[0048] As shown in FIG. 7, taking an example of the fourth magnetic pieces 7 being simultaneously provided on two sides of the first magnetic piece 1.2, when the locking piece and the clamping part 1.1 are locked in the clamping groove 2.1, the second magnetic piece 3.3 corresponds to the position of the first magnetic piece 1.2 and attracts each other, and the third magnetic piece 3.4 attracts the fourth magnetic pieces 7 located on one side away from the first clamping end 1.1.1, thereby providing additional attracting force for the locking piece and the clamping part 1.1 to prevent them from detachment during a clamping process. When the switch component 4 is pressed to move the locking piece and unlock the locking piece and the clamping part 1.1, the second magnetic piece 3.3 gradually moves away from the first magnetic piece 1.2, and the third magnetic piece 3.4 gradually approaches the first magnetic piece 1.2 until the second clamping end 3.2 completely separates from the first clamping end 1.1.1. At this time, the third magnetic piece 3.4 fully corresponds to the first magnetic piece 1.2 and repels each other. The second magnetic piece 3.3 and the fourth magnetic pieces 7 located on one side close to the first clamping end 1.1.1 repel each other, thereby providing additional repulsive force for the locking piece and the clamping part 1.1, and the first body 1 and the second body 2 are caused to be apart from each other.

[0049] In an implementation mode, the first magnetic piece 1.2, the second magnetic piece 3.3, the third magnetic piece 3.4, and the fourth magnetic pieces 7 can be magnets.

[0050] In an implementation mode, the second clamping end 3.2 is a semi-circular structure that matches a shape of the first clamping end 1.1.1, and the first clamping end 1.1.1 and the second clamping end 3.2 are respectively provided with inclined surfaces that can cooperate with each other for cooperation and contact. The semi-circular structure and inclined surface facilitate a clamping of the first clamping end 1.1.1 and second clamping end 3.2 by simply continuing to press after inserting the clamping groove 2.1.

[0051] In an implementation mode, the first body 1 and the second body 2 are respectively provided with connection parts 5 for connecting a webbing.

[0052] As shown in FIG. 8, in an implementation mode, the two switch components 4 are both provided with a bulge 4.3 that protrude laterally and is exposed outside the second body 2.

[0053] A deformation part 4.4 is provided between the two switch components 4, and the deformation part 4.4 is in contact with one end of the locking piece body 3.1 that is far away from the second clamping end 3.2. Two ends of the deformation part 4.4 are respectively connected to the two switch components 4. At a center of the deformation part 4.4, there is a U-shaped guide structure 4.5 protruding towards the locking piece body 3.1 and in contact with the locking piece body 3.1. The U-shaped guide structure 4.5 can guide a deformation of the deformation part 4.4, rendering it easier for this area to deform and compress the locking piece body 3.1. When the bulge 4.3 of the switch components 4 is pressed, the switch components 4 are rotated to cause the deformation part 4.4 to deform towards the locking piece body 3.1, thereby pushing the locking piece body 3.1 and causing the second clamping end 3.2 to move away from the first clamping end 1.1.1.

[0054] Working principle: when in use, the second body 2 is covered on the first body 1, the clamping part 1.1 of the first body 1 is inserted into the clamping groove 2.1 of the second body 2, the second body 2 is pressed to lock the first clamping end 1.1.1 of the clamping part 1.1 with the second clamping end 3.2 of the locking piece. At this time, the second magnetic piece 3.3 and the first magnetic piece 1.2 are attracted to each other, and the second magnetic piece 3.3 also plays a role in attracting and positioning during an insertion of the clamping part 1.1 into the clamping groove 2.1. When unlocking, the switch component 4 is pressed, the switch component pushes the locking piece to move, the second clamping end 3.2 is cased to be detached from the first clamping end 1.1.1. At the same time, the third magnetic piece 3.4 corresponds to and repels the first magnetic piece 1.2, the first body 1 and the second body 2 are caused to be apart.