ANTI-PINCH DEVICE

Abstract

An anti-pinch device includes a first body and a second body, the first body is fitted to an inner surface of a movable part to be protected (e.g., an inner surface of a drawer) via a fixing surface, and the second body is limited and retained in a first position to abut against the body to be protected (e.g., a cabinet body) via an abutting surface; and when the second body is displaced to a second position, the abutting between the second body and the body to be protected is released, allowing the movable part to be protected to be displaced and closed.

Claims

1. An anti-pinch device comprising: a first body, a second body rotatably connected to the first body about a pivot as an axis and pivotally disposed to be switchable between at least a first position and a second position; and a first resetting member provided between the second body and the first body, so that the second body has a tendency to be displaced toward the first position; and wherein the second body is in a distant position relative to the first body when the second body is located in the first position and is in a proximate position relative to the first body when the second body is located in the second position; and when the second body is locked in the first position, the second body is retained to prevent a part to be protected from being closed via abutting of an abutting surface against a body to be protected to achieve an anti-pinch function, and when the second body is displaced to the second position, the anti-pinch device is not in contact with the body to be protected to allow the part to be protected to close.

2. The anti-pinch device according to claim 1, wherein the first position is formed when the second body is pivoted to be parallel to a fixing surface of the first body, and the second position is formed when the second body is pivoted from the first position toward the first body by a first predetermined angle b.

3. The anti-pinch device according to claim 2, wherein the second body is retained after being pivoted from the first position to the second position, and the first body or the second body is provided with an actuating member; and when the second body is locked in the second position and the anti-pinch device is displaced with the part to be protected to a closed position, the actuating member comes into contact with the body to be protected and is actuated, and the second body is unlocked from the second position, so that the second body is rotated toward the first position by a second predetermined angle, and when the second body is opened again, the second body is pivoted to the first position under the action of the first resetting member.

4. The anti-pinch device according to claim 3, wherein the first predetermined angle b is 95, and the second predetermined angle is 90.

5. The anti-pinch device according to claim 3, wherein the first body is composed of a first lock member, and the second body is composed of a second lock member; and wherein the first lock member comprises a mounting cavity, and a connecting member is displaceably provided in the mounting cavity in an axial direction and non-rotatably mounted in the mounting cavity; and the second lock member comprises a connecting arm and a blocking arm, a first locking structure and a second locking structure are separately provided on the connecting member and the connecting arm, the connecting member is displaced in the axial direction to make the first locking structure come into contact with or separate from the second locking structure, and the first locking structure and the second locking structure are in concavo-convex fit or frictional contact.

6. The anti-pinch device according to claim 5, wherein the actuating member is displaceably disposed in a direction perpendicular to the pivot, and at least one of the actuating member and the connecting member is provided with a guide surface, and the connecting member is driven to displace in the axial direction via displacement of the actuating member in the direction perpendicular to the pivot.

7. The anti-pinch device according to claim 6, wherein a first mounting hole is provided on a top wall of the mounting cavity, and a second mounting hole is provided on the connecting member; a first shaft hole is provided on the connecting member, a second shaft hole is provided on the actuating member, a third shaft hole is provided on the connecting arm, a pin passes through the first shaft hole, the second shaft hole and the third shaft hole, and a vertical dimension of the second shaft hole and a transverse dimension of the second mounting hole both have an allowance; and a second resetting member is provided between the connecting member and a bottom wall of the mounting cavity.

8. The anti-pinch device according to claim 7, wherein the second body is further rotatable about the pivot to a third position, and when the second body is locked in the third position, a first retainer and a second retainer separately provided on the first body and the second body are in snap-on connection to retain the second body in a normally closed state.

9. The anti-pinch device according to claim 3, wherein the anti-pinch hand device further comprises a mounting base, and the mounting base comprises a positioning structure and a snap-fit cavity.

10. An anti-pinch device comprising: a first body; a second body rotatably connected to the first body and pivotally provided between at least a first position and a second position; a first resetting member acting between the second body and the first body to apply a resetting force to the second body; and an actuating member provided on the first body; and wherein the second body is pivoted from the first position toward the first body by a first predetermined angle to reach the second position, and when the second body is locked in the second position, a pivotal movement thereof is locked or unlocked by a rotational locking mechanism; when a part to be protected is to be closed, the second body is adjusted to the second position, and then the anti-pinch device is displaced with the part to be protected to a closed position, the actuating member comes into contact with the body to be protected and is actuated to retract to drive the rotational locking mechanism to unlock, and the second body is rotated from the second position toward the first position by a second predetermined angle under a resetting force of the first resetting member to cause the second body to abut against the body to be protected; and when the part to be protected is opened next time, the anti-pinch device is displaced with the part to be protected to an open position, and the second body is rotated toward the first position by a third predetermined angle under the action of the resetting force of the first resetting member to reach the first position.

11. The anti-pinch device according to claim 10, wherein the second body is further pivotable from the second position by a fourth predetermined angle to reach a third position, and a pivotal movement thereof is locked or unlocked by a normally open locking mechanism when the second body is locked in the third position.

12. The anti-pinch device according to claim 11, wherein the normally open locking mechanism comprises a first retainer and a second retainer separately provided on the first body and the second body, and the first retainer and the second retainer are in snap-on connection to keep the second body from rotation.

13. The anti-pinch device according to claim 10, wherein a mounting cavity is provided on the first body, and a connecting member is displaceably provided in the mounting cavity; and the rotational locking mechanism comprises a first locking structure and a second locking structure separately provided on the connecting member and the second body, the first locking structure is engaged with or disengaged from the second locking structure to lock or unlock the pivotal movement of the second body in the second position.

14. The anti-pinch device according to claim 13, wherein the first body is composed of a first lock member, the first lock member comprises a fitting portion and a connecting portion, the mounting cavity is disposed within the connecting portion in an axial direction, the connecting member is at least partially accommodated within the mounting cavity, and the connecting member is non-rotatably mounted in the mounting cavity; and the second body is composed of a second lock member, the second lock member comprises a connecting arm and a blocking arm, a first shaft hole is provided on the connecting member, a third shaft hole is provided on the connecting arm, and a pin passes through the first shaft hole and the third shaft hole, so that the second body is rotatably connected to the first body.

15. The anti-pinch device according to claim 14, wherein a first locking structure and a second locking structure are separately provided on the connecting member and the connecting arm, the connecting member is displaced in the axial direction to make the first locking structure come into contact with or separate from the second locking structure, and the first locking structure and the second locking structure are in concavo-convex fit or frictional contact.

16. The anti-pinch device according to claim 14, wherein an axis of the pin forms a pivot, the actuating member is displaceably disposed in a direction perpendicular to the pivot, and at least one of the actuating member and the connecting member is provided with a guide surface, and the connecting member is driven to displace in the axial direction via displacement of the actuating member in the direction perpendicular to the pivot.

17. The anti-pinch device according to claim 16, wherein a first mounting hole is provided on a top wall of the mounting cavity, and a second mounting hole is provided on the connecting member; a second shaft hole is provided on the actuating member, the pin passes through the second shaft hole, and a vertical dimension of the second shaft hole and a transverse dimension of the second mounting hole both have an allowance; and a second resetting member is provided between the connecting member and a bottom wall of the mounting cavity.

18. The anti-pinch device according to claim 10, wherein the second body is in a distant position relative to the first body when the second body is locked in the first position and is in a proximate position relative to the first body when the second body is locked in the second position; the first resetting member is a torsion spring; and the first position is formed when the second body is pivoted to be parallel to a fixing surface of the first body, the first predetermined angle is 95, the second predetermined angle is 90, and the third predetermined angle is 5.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0014] FIG. 1 is a schematic structural diagram of an anti-pinch device according to an embodiment of the present invention, in which a second body is locked in a first position and is limited and kept from further rotation;

[0015] FIG. 2 is a schematic structural diagram of the embodiment of FIG. 1 when rotated from the first position to the second position, at this time, it is feasible for the second body to be limited and retained or to be in a free state requiring manual force from the user to retain its position;

[0016] FIG. 3 is a schematic structural exploded view of the embodiment of FIG. 1 showing an assembly line;

[0017] FIG. 4 is a schematic diagram of the fit between a first lock member and an actuating member in the embodiment of FIG. 1;

[0018] FIG. 5 is a schematic sectional structural view of FIG. 4;

[0019] FIG. 6 is a schematic structural diagram of a second lock member in the embodiment of FIG. 1;

[0020] FIG. 7 is a schematic structural enlarged view of A in FIG. 6;

[0021] FIGS. 8, 9, 10 and 11 are schematic diagrams of the use process of the anti-pinch device according to the embodiment of FIG. 1; and

[0022] FIG. 12 is a schematic diagram of the fit between the anti-pinch device and a mounting base in the embodiment of FIG. 1.

[0023] Reference numerals in the drawings are as follows: [0024] pivot 100, first body 10, second body 20, mounting base 30, fixing surface 101, [0025] abutting surface 201, cabinet body 301, drawer 302, [0026] first lock member 11, second lock member 21, first locking structure 122, second locking structure 214, [0027] fitting portion 111, connecting portion 112, mounting cavity 113, first mounting hole 114, shaft projection 115, annular cavity 116, fourth shaft hole 117, [0028] connecting member 121, bump 123, first shaft hole 124, second mounting hole 125, second guide surface 126, third mounting hole 127, second resetting member 129, [0029] actuating member 131, first guide surface 132, second shaft hole 133, abutting end 134, actuating member lower end 135, [0030] pin 141, first resetting member 142, spline structure 143, first retainer 144, second retainer 145, [0031] connecting arm 211, blocking arm 212, first connecting cavity 213, groove 215, third shaft hole 216, boss 217, [0032] first groove group 2a, second groove group 2b, limit plane 1a, third guide surface 1b, [0033] positioning structure 311, and snap-fit cavity 312.

DESCRIPTION OF THE EMBODIMENTS

[0034] In order to make those skilled in the art better understand the present invention and thereby define the scope of the present invention more clearly, the present invention is described below in detail with respect to some specific embodiments of the present invention.

[0035] An anti-pinch device is used to be mounted on the inner side of movable household parts such as drawers and doors to prevent finger pinch injuries when the drawers or doors are closed. The device has two states, namely an activated state and an inactivated state. In the activated state, the device can prevent a drawer or door from being closed to avoid finger pinch injuries. In the inactivated state, the device is retained in a state/position that does not prevent the drawer or door from being closed.

[0036] As a reference, the present embodiment is understood by mounting the anti-pinch device internally in a drawer cabinet to manage opening/closing of a drawer, thereby illustrating the structure and principle of the device. As is known in the prior art, a drawer cabinet generally consists of a cabinet body and drawers that are movably disposed and can be pulled out, whether to prevent or not prevent the drawers from being closed depends on whether a portion of the device can play an interference role, when the portion of the anti-pinch device abuts against the cabinet body to prevent the drawers from being closed, and when any portion of the anti-pinch device does not interfere with the cabinet body, the device does not prevent the drawers from being closed. Of course, the device can also be mounted on an outer surface of a drawer for use, that is, external mounting, and the working principle is similar and will not be repeated.

[0037] As shown in FIGS. 1 to 12, the anti-pinch device includes a first body 10 and a second body 20 which are in a rotatable movable connection. The first body 10 is used to be fixed to an inner surface of a drawer (or a door, and the subsequent drawer can be replaced with door) using known methods including but not limited to adhesive bonding or screw fixing. By rotating the second body 20 relative to the first body 10, the overall device can switch between different positions to prevent or allow the drawer to close.

[0038] FIGS. 1 and 8 are schematic diagrams showing that the anti-pinch device blocks the drawer from being closed; FIGS. 2 and 9 are schematic diagrams showing that the anti-pinch device does not block the drawer from being closed, and FIG. 12 is also a schematic diagram showing that the device does not block the drawer from being closed, with the difference in that the device is in a normally closed state at this time. That is, in the state shown in FIGS. 2 and 9, the device allows the drawer to be closed this time, and after the drawer is opened again the next time, the device can be rotated to the state of blocking closing as shown in FIG. 8. As shown in FIG. 12, the device is retained in a normally closed state and allows the drawer to be opened or closed once or multiple times. FIGS. 1 and 8 are schematic diagrams showing that the second body 20 is in a first position, FIGS. 2 and 9 are schematic diagrams showing that the second body is in a first position, IG. 12 is a schematic diagram showing that the second body is in a third position.

[0039] As shown in FIGS. 1 and 2, the first body 10 and the second body 20 are hinged near their respective ends, so that the overall structure of the device composed of the first body and the second body is compact and small in size, and easy to fold or unfold. A fixing surface 101 for fitting to the inner surface of the drawer for fixation is formed on a back surface of the first body 10.

[0040] Preferably, 3M adhesive may be pre-applied to the fixing surface 101 to facilitate adhesive fixation of the first body 10. In some other embodiments, the fixing surface 101 is fitted to the inner surface of the drawer and fixed by screws.

[0041] As shown in FIG. 8, the second body 20 is limited and retained in the first position and cannot continue to rotate to open the drawer, and abuts against a body to be protected (i.e., the cabinet body 301) by an abutting surface 201, thereby achieving the purpose of preventing the drawer from being closed.

[0042] As shown in FIG. 2, when the second body 20 is rotated downward from the position shown in FIG. 1 about a pivot 100 as an axis, the second body 20 can be rotated to switch from the first position to the second position, so that the anti-pinch device can be displaced to a second state in which the drawer 302 is not blocked from being closed, and the first body 10 is rotated by an angle b in the process, as shown in FIG. 9. In the present embodiment, b is 95, and in other embodiments, the numerical value of b may be set as necessary, without limitation.

[0043] Preferably, in the present embodiment, the anti-pinch device can be retained in the second position, so that the user only needs to rotate the device by the angle b without continuously applying force to retain the device in the second position, which can simplify the operation and improve the user experience. Of course, in other embodiments, the structure of retaining the second body 20 in the second position may be omitted, and the user may manually retain the position of the second body 20 during use so as not to interfere with the closing of the drawer.

[0044] As shown in FIGS. 3 to 7, the first body 10 is composed of a first lock member 11, the first lock member 11 includes a fitting portion 111 and a connecting portion 112, a top surface of the connecting portion 112 is formed as an upper end surface of the first body 10; and the second body 20 is composed of a second lock member 21, and the second lock member 21 includes a connecting arm 211 and a blocking arm 212. The connecting arm 211 and the blocking arm 212 are preferably integrally formed, there are two connecting arms 211 extending from a lower end of the blocking arm 212, and a first connecting cavity 213 is formed between the two connecting arms 211. When assembled, the two connecting arms 211 are respectively locked in both ends of the connecting portion 112, and the first connecting cavity 213 accommodates the connecting portion 112 wholly or partially therein.

[0045] Preferably, a mounting cavity 113 having a non-circular cross-section may be provided in the connecting portion 112. For example, the mounting cavity 113 has a half-track cross-sectional shape, and a connecting member 121 is at least partially accommodated in the mounting cavity 113 and both have corresponding shapes, so that the connecting member 121 is non-rotatably disposed in the mounting cavity 113. In other embodiments, other shapes may also be used to create the non-rotatable arrangement, such as triangular, square, or other non-circular cross-sectional shapes, or an anti-rotation structure having a circular cross-section but a concave-convex shape. In short, any shape that allows the connecting member 121 to be non-rotatably mounted in the mounting cavity 113 is acceptable.

[0046] Moreover, the connecting member 121 is telescopically disposed in an axial direction, that is, the connecting member 121 can reciprocate in the direction of the pivot 100. A first locking structure 122 is provided at an outer end of the connecting member 121, and a second locking structure 214 is provided on the corresponding connecting arm 211, so that the first locking structure 122 and the second locking structure 214 can be engaged or disengaged by the displacement of the connecting member 121 in the axial direction, the rotation of the second lock member 21 is locked when the two are engaged, and the second lock member 21 is allowed to be rotated when the two are disengaged. The first locking structure 122 and the second locking structure 214 form a rotational locking mechanism, so that pivotal movement of the second body 20 can be locked or unlocked by the rotational locking mechanism when the second body 20 is in the second position.

[0047] In the present embodiment, the first locking structure 122 and the second locking structure 214 are a convex member and a concave member respectively to form a concavo-convex fit therebetween. In other embodiments, the first locking structure 122 and the second locking structure 214 may be in frictional locking.

[0048] As shown in FIGS. 4 and 7, the first locking structure 122 is composed of a bump 123 convexly provided on an end surface of the connecting member 121, and the second locking structure 214 is a groove 215 correspondingly concavely provided on the connecting arm 211. Preferably, there are two bumps 123 which are provided on both sides of the pivot 100, and two groove groups are correspondingly provided on the connecting arm 211, and each groove group has two grooves 215, that is, a first groove group 2a and a second groove group 2b are provided on the connecting arm 211. The first groove group 2a is used to lock the second lock member 21 in the first position (i.e., as shown in FIG. 7), and the second groove group 2b is used to lock the second lock member 21 in the second position (as shown in FIG. 7), so that the second lock member 21 can be retained in either the first position or the second position.

[0049] In the present embodiment, the groove 215 corresponding to the first position forms a limit plane 1a on one side and a third guide surface 1b on the other side, and the third guide surface 1b may be an inclined plane or a curved surface, so that the opening of the second lock member 21 can be locked, but the closing of the second lock member 21 is not locked, that is, the rotation of the second lock member 21 from the first position to the second position is free and unlocked (based on the guiding effect of the guide surface). The groove 215 corresponding to the second position forms a limit plane 1a on both sides, so that the second lock member 21 is completely locked in rotation when in the second position and must be unlocked before the second lock member can be rotated again.

[0050] Therefore, if it is considered to remove locking function of the second lock member 21 in the second position, the second groove group 2b may not be disposed, and since the connecting member 121 is movably disposed in the axial direction and can be retracted, the bump 123 does not interfere with the connecting arm 211.

[0051] Of course, in some other embodiments, the first groove group 2a may be further omitted, and other structures may be adopted instead to achieve the purpose of limiting the rotation of the second lock member 21. For example, the first lock member 11 is convexly disposed upward by a certain distance to abut on the back surface of the second lock member 21 for limiting, or the second lock member 21 is abutted and limited by a drawer as shown in FIG. 8.

[0052] In the present embodiment, a pin 141 is penetratingly provided in the connecting member 121 and passes through third shaft holes 216 the two connecting arms 211 of the second lock member 21, thereby pivotally connecting the second lock member 21 to the first lock member 11.

[0053] Preferably, the pin 141 is non-rotatably connected to the two third shaft holes 216, for example, an anti-rotation structure such as a spline structure 143 is provided, and the pin 141 is rotatably and penetratingly disposed in a first shaft hole 124 of the connecting member 121. A first resetting member 142 is provided between the first lock member 11 and the second lock member 21, so that the second lock member 21 initially maintains a tendency to be rotate toward the first position. For example, a torsion spring is used as the first resetting member 142. A boss 217 is formed around the third shaft bore 216, the boss 217 is circular and convexly disposed to facilitate positioning of the anti-pinch device in a mounting base 30.

[0054] As shown in FIGS. 3 and 5, a second resetting member 129 is provided between the connecting member 121 and a bottom wall of the mounting cavity 113. The second resetting member 129 may preferably be a return spring, so that the connecting member 121 initially has a tendency to protrude.

[0055] Due to the need to drive the connecting member 121 to displace in the axial direction for unlocking, an actuating member 131 is also provided in the present embodiment. By driving the actuating member 131 to move, the connecting member 121 is driven to retract and displace inward in the axial direction, so that the first locking structure 122 and the second locking structure 214 are disengaged and unlocked.

[0056] Preferably, the actuating member 131 is movably disposed in a direction perpendicular to the pivot 100, more specifically in a vertical direction, and the actuating member 131 and the connecting member 121 are separately provided with a first guide surface 132 and a second guide surface 126, and at least one of the two guide surfaces is an inclined plane or a curved surface, which allows to convert displacement movement of the actuating member 131 perpendicular to the axial direction into the displacement movement of the connecting member 121 in the axial direction, so that the movement of closing the drawer can be used to drive the actuating member 131 to displace, achieving the purpose of unlocking the second lock member 21 from the second position while closing the drawer. When the drawer is opened again next time, the anti-pinch device can restore to the working state by itself under the action of the first resetting member 142, that is, the second locking member 21 rotates to the first position by itself, which is convenient to use.

[0057] In the present embodiment, a second mounting hole 125 extending perpendicularly to the axial direction is provided on the connecting member 121 to accommodate the actuating member 131 at least partially therein. Since the pin 141 is penetratingly disposed in the connecting member 121, both a width of the second mounting hole 125 in the axial direction and a height of the second shaft hole 133 provided on the actuating member 131 have an allowance to meet the displacement requirement.

[0058] A first mounting hole 114 is provided on an upper end surface of the connecting portion 112, and the actuating member 131 sequentially passes through the first mounting hole 114 and the second mounting hole 125, so that the actuating member can be exposed on the connecting portion 112 as an abutting end 134 for abutting against an upper wall surface of the cabinet body 301. Preferably, a lower end surface of the connecting portion 112 into which the actuating member 131 is penetratingly disposed is provided with a third mounting hole 127 to allow an actuating member lower end 135 of the actuating member 131 to move downward, for example, the actuating member lower end 135 protrudes from the third mounting hole 127.

[0059] Preferably, the anti-pinch device of the present embodiment is mounted and positioned using the mounting base 30, and the mounting base 30 is provided with a positioning structure 311 and a snap-fit cavity 312. The positioning structure 311 is used for positioning assembly with the body of the product to be protected, and the size of the snap-fit cavity 312 is slightly smaller than that of the anti-pinch device and is preferably adapted to the shape of the boss 217, thereby allowing the anti-pinch device to be interference assembled in the snap-fit cavity 312, and finally the anti-pinch device is accurately positioned and mounted on the inner surface of the drawer, resulting in convenient mounting.

[0060] In the present embodiment, the second lock member 21 is rotated downward from the first position by an angle b to reach the second position, as the drawer is closed, the abutting end 134 of the actuating member 131 is actuated to release the locking relationship between the first locking structure 122 and the second locking structure 214, and the second lock member 21 is rotated toward the first position by an angle a under the action of an elastic force of the first resetting member 142, and after rotated by the angle a, the rotational locking can no longer be formed between the first locking structure 122 and the second locking structure 214. Therefore, when the drawer is opened again, the second lock member 21 can be further rotated to the first position under the action of the elastic force of the first resetting member 142. Therefore, with such a design, the automatic unlocking can be realized by using the drawer closing process. That is, when the drawer is closed, the actuating member 131 is driven downward by the upper wall surface of the cabinet body to release locking connection between the two locking structures, so that the second lock member 21 can be rotated towards the first position under the action of the first resetting member 142 until the second lock member abuts against the upper wall surface of the cabinet body. In this way, when the drawer is opened next time, the second lock 21 can continue to be rotated to the first position, achieving automatic return and convenient use. Here, the numerical value of the angle a may be set as necessary, without limitation. For example, in one embodiment, the angle a is 5.

[0061] As shown in FIGS. 5 to 6, a first retainer 144 is provided on the first lock member 11, and a second retainer 145 is correspondingly provided on the second lock member 21. When the second lock member 21 continues to be rotated downward from the second position until the second lock member is close to fitting with the first lock member 11 to reach the third position, the first retainer 144 is connected with the second retainer 145 to retain the second lock member 21 in the third position. When the user releases the two retainers, the second lock member can be unlocked from the third position, and the actuating member 131 cannot unlock the second lock member 21. Preferably, the first retainer 144 and the second retainer 145 are in snap-on connection or interfered connection to lock and retain the second lock member 21 (i.e., the second body 20 is kept from rotation). The first retainer 144 and the second retainer 145 form a normally open locking mechanism. When the second body 20 continues to be pivoted from the second position by a fourth predetermined angle to reach the third position to result in an anti-pinch state of the anti-pinch device, the normally open locking mechanism can lock or unlock the pivotal movement of the second body 20 when the second body 20 is in the third position.

[0062] In addition, in the present embodiment, a shaft protrusion 115 and an annular cavity 116 surrounding a periphery of the shaft protrusion 115 are provided at the other end of the connecting portion 112 opposite to the mounting cavity 113, a fourth shaft hole 117 is provided in the shaft protrusion 115, and the fourth shaft hole 117 is concentrically disposed with the first shaft hole 124 for the pin 141 to pass through to stabilize rotation of the second lock member 21.

[0063] Several typical usage states of the anti-pinch device of the present embodiment are as follows:

[0064] 1. FIG. 8 is a schematic side structural view of the anti-pinch device assembled on a drawer and in the working state (the same is true for the case that the anti-pinch device is assembled on the inner surface of the door). The fixing surface 101 is fitted to the inner surface of the drawer, and a mounting height of the anti-pinch device in a vertical direction meets the use requirements (the specific mounting height can be positioned by the mounting base 30). At this time, the second lock member 21 (i.e., the second body 20) is in the first position, which blocks the drawer from being closed to avoid finger pinch injuries. The anti-pinch device is remained in this state unless operated by the user.

[0065] 2. If the drawer needs to be closed, the user pulls the drawer outward by a certain distance, and then pushes the second lock member 21 to rotate downward. Because the first groove group 2a has a one-way locking structure, the second lock member can be pushed without the need to operate the actuating member 131 to unlock, the second lock member 21 is rotated by the angle b to the second position, and the bump 123 and the second groove group 2b are in concavo-convex fit to lock and retain the second lock member 21 in the second position, resulting in the state as shown in FIG. 9. When the drawer is pushed inward to nearly close, the actuating member 131 is abutted against to displace downward, the first locking structure 122 and the second locking structure 214 are unlocked, and the second lock member 21 is rotated toward the first position by the predetermined angle a under the action of the first resetting member 142 until the second lock member 21 comes into contact with an upper wall of the cabinet body. When the drawer is pulled open again next time, the second lock member 21 can continue to be rotated to the first position under the action of the elastic force of the first resetting member 142, and the anti-pinch device is restored to the working state as shown in FIG. 8, which is convenient to use.

[0066] 3. If the anti-pinch device needs to be set to the normally closed state, that is, no matter how the drawer is opened and closed, the device will not work. When the user rotates the second lock member 21 to the third position, as shown in FIG. 12, the second lock member 21 is snap-fitted and locked by the first retainer 144 and the second retainer 145, and the drawer can be opened and closed at will.