CN220167730U - Lock catch structure and drawer box - Google Patents

Abstract

The utility model provides a lock catch structure which is used in a drawer box, wherein the lock catch structure comprises a push lock body and a plurality of lock tongues arranged on the push lock body, a plurality of drawers are arranged in the drawer box, the lock catch structure is provided with locking/unlocking positions, and the drawers are provided with closing/pulling-out positions; when the locking structure is positioned at the locking position, the drawer positioned at the closing position is locked with the corresponding lock tongue, and the drawer positioned at the pulling-out position can be moved to the closing position to be locked with the corresponding lock tongue; when the locking structure is in the unlocking position, the drawers in the closing/pulling-out positions are unlocked with the corresponding lock tongues. The locking structure provided by the utility model can reduce the operation steps of a user.

Description

Lock catch structure and drawer box

Technical Field

The utility model relates to the technical field of article storage, in particular to a locking structure and a drawer box with the locking structure.

Background

Most of the conventional drawer boxes in the market are single drawers, and the drawers to be used are independently unlocked when the drawers are unlocked. However, as the professional user has more tools, different tools need to be placed in different drawers to be used and categorized, and thus the method of individually locking and unlocking a single drawer is not suitable for practical use, because as the number of drawers is increased, it is very inconvenient to use a single drawer. For example, if there are four drawers, and different drawers are required to be opened and closed from time to time during operation, the manner in which the drawers are locked individually may require repeated unlocking to achieve the function of drawing out the desired drawers.

In view of the foregoing, there is a need for a latch structure and a drawer box having the same that reduce the number of user operations.

Disclosure of Invention

The utility model provides a lock catch structure and a drawer box, so that a plurality of drawers of the drawer box can be simultaneously locked and unlocked by operating the lock catch structure once, and simultaneously, a single drawer can be independently locked, thereby reducing the operation steps of a user and having a simple structure.

The utility model provides a lock catch structure which is used in a drawer box, wherein the lock catch structure comprises a push lock body and a plurality of lock tongues arranged on the push lock body, a plurality of drawers are arranged in the drawer box, the lock catch structure is provided with locking/unlocking positions, and the drawers are provided with closing/pulling-out positions; when the locking structure is positioned at the locking position, the drawer positioned at the closing position is locked with the corresponding lock tongue, and the drawer positioned at the pulling-out position can be moved to the closing position to be locked with the corresponding lock tongue; when the locking structure is in the unlocking position, the drawers in the closing/pulling-out positions are unlocked with the corresponding lock tongues.

Further, the locking structure further comprises a first elastic piece located between the pushing lock body and each lock tongue, and the first elastic piece enables the lock tongue to automatically pop up relative to the pushing lock body.

Further, each drawer is provided with a locking block corresponding to the lock tongue; when the locking structure is positioned at the locking position, the locking block of the drawer positioned at the pulling-out position can be locked beyond the lock tongue, and the locking block is positioned at one side of the lock tongue away from the opening of the drawer box.

Further, each locking block and the drawer body form a locking groove, and the locking groove is positioned at one side of the locking block close to the opening of the drawer box; when the locking structure is positioned at the locking position and the drawer is positioned at the closing position, the lock tongue is clamped in the corresponding locking groove.

Further, a second chamfer is arranged on one side surface of the lock tongue, which is close to the opening, and a pushing part is arranged on the lock block; when the locking structure is located at the locking position, the pushing part of the drawer located at the pulling-out position pushes the second bevel surface to move to the closing position to be locked beyond the lock tongue.

Further, a first straight surface is arranged on the same side of the lock tongue as the second inclined surface, a second straight surface is arranged on the opposite side of the first straight surface, and the first straight surface and the second straight surface are oppositely arranged; when the locking structure is located at the locking position, the locking block of the drawer located at the closing position pushes the second straight surface of the lock tongue towards the opening direction, the first straight surface interferes with the pushing lock body, and the lock tongue keeps popping up.

Further, a first chamfer is arranged on the lock tongue, and a supporting part is arranged on the drawer or the drawer box body; when the supporting part is abutted against the first bevel surface, the locking structure is kept at the locking position or the unlocking position.

Further, the lock pushing body is provided with a lock tongue accommodating groove, the first elastic piece is a spring, one end of the first elastic piece is fixed in the lock tongue accommodating groove, and the lock tongue is fixed at the other end of the first elastic piece.

Further, the push lock body is provided with a lock tongue accommodating groove, the first elastic piece is a spring piece, one end of the first elastic piece is fixed on the push lock body, and the lock tongue is fixed at the other end of the first elastic piece.

Further, the drawer box further comprises a second elastic piece, wherein the second elastic piece is located between the locking structure and the drawer box, and the second elastic piece enables the locking structure to be automatically kept at a locking position.

Further, the locking structure further comprises a lock plunger, the lock plunger is fixed on the push lock body, a hasp matched with the lock plunger is arranged on the drawer box, and the lock plunger and the hasp can be locked mutually.

The utility model also provides a drawer box, which comprises the locking structure.

The beneficial effects of the utility model are as follows:

1. the drawers of the drawer box can be simultaneously locked and unlocked by operating the locking structure once, so that the operation steps of a user are reduced.

2. When the drawer is opened and the locking structure is positioned at the locking position, the function of freely locking the single drawer can be realized without operating the pushing lock body, so that the operation steps of a user are further reduced.

In order to make the advantages of the present utility model more apparent, embodiments of the present utility model will be further described with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic view of a drawer chest according to an embodiment of the present utility model.

Fig. 2 is a schematic view of a latch structure according to an embodiment of the present utility model.

FIG. 3 is a partial schematic view of a drawer chest according to an embodiment of the utility model.

FIG. 4 is another partial schematic view of a drawer chest according to an embodiment of the utility model.

Fig. 5 to 7 are schematic views of a process when the latch structure unlocks the drawer.

Fig. 8 to 10 are schematic views of a process when the latch structure locks the drawer.

Detailed Description

In order to further describe the technical means and effects adopted by the utility model to achieve the preset purpose, the following detailed description refers to the specific implementation, structure, characteristics and effects of the locking structure, drawer box according to the utility model with reference to the accompanying drawings and examples.

The foregoing and other features, aspects and advantages of the utility model will become more apparent from the following detailed description of the embodiments with reference to the accompanying drawings. While the utility model may be susceptible to additional details and should not be taken to limit the utility model to the specific embodiments disclosed, this utility model is for the purpose of providing a full and complete understanding of the principles and advantages of the utility model.

Referring to fig. 1 to 4, the embodiment of the utility model provides a latch structure 1, which is mainly used in a drawer box 2, reduces operation steps of a user, and has a simple structure. The latch structure 1 includes a latch body 10, a plurality of first elastic members 11 disposed on the latch body 10, and a plurality of latch bolts 12, wherein the plurality of first elastic members 11 are disposed between the latch body 10 and the plurality of latch bolts 12, each latch bolt 12 is disposed on the latch body 10 through a first elastic member 11, and the first elastic members 11 are configured to automatically eject the latch bolts 12 relative to the latch body 10, so that the latch structure 1 maintains a locked state.

The drawer box 2 includes a drawer box body 25 and a plurality of independent drawers 20 provided in the drawer box body 25. Specifically, a plurality of drawers 20 are vertically arranged in a drawer box body 25, and the drawer box body 25 has an opening, and each drawer 20 can be pulled out from the opening of the drawer box body 25.

The latch structure 1 has a locked/unlocked position and the drawer 20 has a closed/pulled-out position. When the locking structure 1 is located at the locking position, the drawer 20 located at the closing position is locked with the corresponding lock tongue 12, and the drawer 20 located at the pulling-out position can be moved to the closing position to be locked with the corresponding lock tongue 12; when the latch structure 1 is in the unlocked position, the drawers 20 in the closed/pulled-out position are unlocked from the corresponding locking tongues 12, and all drawers 20 are now free to move between the closed/pulled-out positions. The drawer box 2 can lock/unlock a plurality of drawers 20 simultaneously by utilizing one locking structure 1, so that the operation steps of a user are reduced; meanwhile, when the latch structure 1 is located at the locking position, the drawer 20 located at the pulled-out position can be individually closed and automatically locked by the latch structure 1, further reducing the operation steps of the user.

As shown in fig. 5 and 7, each drawer 20 is provided with a locking block 22 corresponding to the lock tongue 12, and the locking blocks 22 are matched with the lock tongue 12 to prevent the drawer 20 from being pulled out from the opening, so that the drawer 20 is locked. When the latch structure 1 is located at the locking position, the locking block 22 of the drawer 20 located at the pulling-out position can move to the closing position beyond the corresponding lock tongue 12 to be locked, and at this time, the locking block 22 is located at one side of the lock tongue 12 away from the opening of the drawer box 2; in the process, the bolt 12 is located in the moving path of the lock block 22. When the latch structure 1 is in the unlocked position, the lock block 22 of the drawer 20 in the pulled-out position cannot be locked beyond the lock tongue 12; in this process, the locking bolt 12 is not located in the path of movement of the locking block 22. It should be noted that, when the latch tongue 12 is located on the moving path of the latch block 22, the latch tongue 12 is horizontally aligned with the latch block 22, and when the drawer 20 moves from the pulled-out position to the closed position, the latch block 22 may pass over the latch tongue 12; when the bolt 12 is not located on the moving path of the lock block 22, the bolt 12 is located above the lock block 22. In other embodiments, when the locking bolt 12 is not located in the moving path of the locking block 22, the locking bolt 12 may be located below the locking block 22, the locking bolt 12 may also be located in the front-to-rear horizontal direction of the locking block 22, and the locking block 22 may not always pass over the locking bolt 12.

Further, each locking block 22 and the drawer body 23 enclose a locking groove 21, and the locking groove 21 is located at one side of the locking block 22 close to the opening. When the locking structure 1 is positioned at the locking position and the drawer 20 is positioned at the closing position, the lock tongue 12 is clamped in the locking groove 21 corresponding to the drawer 20, so that the drawer 20 is prevented from shaking when locked; as shown in fig. 6, when the latch structure 1 is in the unlocked position, each of the locking bolts 12 is disengaged from the locking groove 21.

The pushing lock body 10 is forced to move back and forth to switch the locking position and the unlocking position of the locking structure 1. In this embodiment, the pushing lock body 10 moves back and forth up and down, and moving up the pushing lock body 10 can move the latch structure 1 to the unlocking position, the lock tongue 12 is located above the lock block 22 and not on the moving path of the lock block 22; moving the lock body 10 downward moves the latch structure 1 to the locked position, the lock tongue 12 is located on the moving path of the lock block 22, and the lock block 22 can be locked over the lock tongue 12.

Further, as shown in fig. 5 and 7, the latch tongue 12 is provided with a first chamfer 12a, and the drawer 20 or the drawer box body 25 is provided with a supporting portion 20a, and when the supporting portion 20a abuts against the first chamfer 12a, the latch structure 1 is kept at the locking position or the unlocking position, so that the latch structure 1 cannot be displaced due to external force. In this embodiment, the latch structure 1 moves up and down, the first chamfer 12a is disposed on the upper side surface of the lock tongue 12, and when the latch structure 1 moves up to the unlocking position, the first chamfer 12a abuts against the supporting portion 20a, so that the latch structure 1 is kept in the unlocking position. In other embodiments, the first chamfer 12a may be disposed on the lower side of the lock tongue 12 and a side far from the opening, and the direction of the first chamfer on the lock tongue 12 is the same as the unlocking/locking direction of the locking structure 1.

The push lock body 10 is provided with a lock tongue accommodating groove 101, the first elastic piece 11 is a spring, one end of the first elastic piece 11 (spring) is fixed in the lock tongue accommodating groove 101, and the lock tongue 12 is fixed at the other end of the first elastic piece 11 (spring). When the first elastic member 11 (spring) is compressed, the locking bolt 12 may be partially or fully retracted into the locking bolt receiving groove 101, so that the locking block 22 may be locked over the locking bolt 12. In the present embodiment, when the latch structure 1 is moved to the unlocking position, the latch tongue 12 is pressed by the drawer 20 to be kept in a state of being partially retracted into the latch tongue receiving groove 101 (as shown in fig. 6). So set up, because spring bolt 20 and first elastic component 11 are the part of assembly in addition, a push away lock body 10 can reserve the assembled position of a plurality of spring bolts 20, can realize the unblock of a plurality of drawers 20 and the design of locking at will, and does not need a plurality of push away lock bodies 10 of the cooperation of different quantity drawers 20, has practiced thrift the cost.

In other embodiments, the first elastic member 11 of the lock body 10 is a spring piece, one end of the first elastic member 11 (spring piece) is fixed on the lock body 10, the lock tongue 12 is fixed on the other end of the first elastic member 11 (spring piece), and when the first elastic member 11 (spring piece) is bent, the lock tongue 12 can be partially or completely retracted into the lock tongue accommodating groove 101.

Referring to fig. 5 to fig. 7 again, in the present embodiment, when the push lock body 10 is moved upwards, the lock tongue 12 is pressed by the supporting portion 20a to retract into the lock tongue accommodating groove 101, the locking structure 1 is moved to the unlocking position, and the lock tongue 12 is pressed by the supporting portion 20a to retract into the lock tongue accommodating groove 101 all the time to keep the unlocking position unchanged; when the push lock body 10 moves downward, the lock tongue 12 is pushed out of the support portion 20a and moves into the corresponding lock groove 21, and the lock tongue 12 is engaged in the lock groove 21 by the first elastic member 11.

Referring to fig. 8 to 10, a second chamfer 12b is further disposed on a side of the lock tongue 12 near the opening, and the second chamfer 12b is disposed on the lock tongue 12 in a direction opposite to the locking direction of the drawer 20, so as to interfere with the drawer 20 when locking. The locking block 22 of the drawer 20 is provided with a pushing portion 20b, when the locking structure 1 is located at the locking position, the pushing portion 20b pushes the second chamfer 12b to retract the lock tongue 12 relative to the push lock body 10 during the process of moving the drawer 20 from the pulling position to the closing position, and the pushing portion 20b of the drawer 20 located at the pulling position can push the second chamfer 12b to move beyond the lock tongue 12 to the closing position for locking. In this embodiment, when the drawer 20 moves to the closed position, the lock tongue 12 corresponds to the position of the locking groove 21, and the lock tongue 12 protrudes into the locking groove 21 under the action of the first elastic member 11 (as shown in fig. 10).

Further, a first straight surface 12c is provided on the same side of the bolt 12 as the second inclined surface 12b, a second straight surface 12d is provided on the opposite side of the bolt 12 from the second inclined surface 12b, and the first straight surface 12c is opposite to the second straight surface 12 d; when the latch structure 1 is in the lock position, the lock block 22 of the drawer 20 in the closed position presses the second straight surface 12d toward the opening direction to move toward the opening direction, and at this time, the first straight surface 12c interferes with the push lock body 10 to be unable to displace, the lock tongue 12 remains ejected, and the drawer 20 cannot be opened.

The push lock body 10 is provided with a hand-holding position 102, and the hand-holding position 102 is used for inserting fingers to move the lock catch structure 1, so that the lock catch structure 1 moves between a locking position and an unlocking position.

Referring to fig. 2, 4 and 7 together, the latch structure 1 further includes a latch 14, where the latch 14 is fixed on the push lock body 10, and the drawer box 2 is provided with a buckle 24 that mates with the latch 14. The lock latch 14 and the hasp 24 are respectively provided with a lock hole, when the hasp structure 1 moves to the locking position, the lock holes on the lock latch 14 and the hasp 24 are overlapped, and at the moment, an outer padlock can be additionally arranged to lock the lock latch 14 and the hasp 24, so that the hasp structure 1 is kept at the locking position.

Further, the latch structure 1 may further include a second elastic member (not shown), where the second elastic member automatically maintains the latch structure 1 in the locked position. Specifically, the second elastic member is a spring, two ends of the second elastic member are respectively fixed on the drawer box main body and the push lock main body, and when the locking structure 1 overcomes the elasticity of the second elastic member and moves to the unlocking position, any drawer 20 can move to the pulling-out position; when the force applied to the latch structure 1 is released, the push lock body 10 automatically moves downward under the resilience of the second elastic member to return the latch structure 1 to the locked position. It should be noted that, since the second elastic member can automatically maintain the latch structure 1 in the locking position, the first chamfer 12a is not required to be provided on the latch 12 after the second spring is provided, and the supporting portion 20a is not required to be provided on the drawer 20 or the drawer box body 25.

The beneficial effects of the utility model are as follows:

1. the primary locking structure 1 is operated to simultaneously lock and unlock a plurality of drawers 20 of the drawer cabinet 2, thereby reducing the operation steps of a user.

2. When the drawer 20 is opened, the push lock body 10 can be not operated to realize the function of freely locking the single drawer 20 when the latch structure 1 is at the locking position, thereby further reducing the operation steps of a user.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The present utility model is not limited to the above embodiments, but is capable of modification and variation in all embodiments without departing from the scope of the present utility model, and the present utility model is not limited to the above embodiments.

Claims (12)

1. A latch structure (1) for use in a drawer box (2), wherein the latch structure (1) comprises a push-latch body (10) and a plurality of latch bolts (12) arranged on the push-latch body (10), a plurality of drawers (20) are arranged in the drawer box (2), the latch structure (1) has a locking/unlocking position, and the drawers (20) have a closing/pulling position; when the locking structure (1) is located at the locking position, the drawer (20) located at the closing position is locked with the corresponding lock tongue (12), and the drawer (20) located at the pulling-out position can be moved to the closing position to be locked with the corresponding lock tongue (12); when the locking structure (1) is in the unlocking position, the drawers (20) in the closing/pulling-out position are unlocked from the corresponding lock tongue (12).

2. The latch structure (1) according to claim 1, wherein the latch structure (1) further comprises a first elastic member (11) located between the push lock body (10) and each latch tongue (12), the first elastic member (11) causing the latch tongue (12) to automatically pop up with respect to the push lock body (10).

3. The latch structure (1) according to claim 2, wherein each drawer (20) is provided with a locking block (22) corresponding to the locking tongue (12); when the locking structure (1) is located at the locking position, the locking block (22) of the drawer (20) located at the pulling-out position can be locked beyond the lock tongue (12), and the locking block (22) is located at one side of the lock tongue (12) away from the opening of the drawer box (2).

4. A latch arrangement (1) according to claim 3, wherein each of said latch blocks (22) and the drawer body (23) define a latch slot (21), said latch slot (21) being located on a side of said latch block (22) adjacent to an opening of said drawer compartment (2); when the locking structure (1) is positioned at the locking position and the drawer (20) is positioned at the closing position, the lock tongue (12) is clamped in the corresponding locking groove (21).

5. A locking structure (1) according to claim 3, wherein a second chamfer (12 b) is provided on a side of the locking tongue (12) adjacent to the opening, and a pushing portion (20 b) is provided on the locking block (22); when the locking structure (1) is located at the locking position, the pushing part (20 b) of the drawer (20) located at the pulling-out position pushes the second bevel section (12 b) to move to the closing position to be locked beyond the lock tongue (12).

6. The shackle structure (1) according to claim 5, wherein a first straight surface (12 c) is provided on the same side of the tongue (12) as the second chamfer surface (12 b), a second straight surface (12 d) is provided on the opposite side of the first straight surface (12 c), the first straight surface (12 c) being arranged opposite to the second straight surface (12 d); when the locking structure (1) is located at the locking position, a locking block (22) of the drawer (20) located at the closing position pushes a second straight surface (12 d) of the lock tongue (12) towards the opening direction, the first straight surface (12 c) is interfered with the pushing lock body (10), and the lock tongue (12) is kept to pop out.

7. The latch structure (1) according to claim 2, wherein the latch tongue (12) is provided with a first chamfer (12 a), and the drawer (20) or the drawer box body (25) is provided with a supporting part (20 a); when the support part (20 a) is abutted against the first chamfer surface (12 a), the locking structure (1) is kept at a locking position or an unlocking position.

8. The latch structure (1) according to claim 2, wherein the latch body (10) is provided with a latch accommodating groove (101), the first elastic member (11) is a spring, one end of the first elastic member (11) is fixed in the latch accommodating groove (101), and the latch (12) is fixed at the other end of the first elastic member (11).

9. The latch structure (1) according to claim 2, wherein the latch pushing body (10) is provided with a latch receiving groove (101), the first elastic member (11) is a spring plate, one end of the first elastic member (11) is fixed on the latch pushing body (10), and the latch (12) is fixed at the other end of the first elastic member (11).

10. The catch arrangement (1) according to claim 1, further comprising a second resilient member located between the catch arrangement (1) and the drawer chest (2), the second resilient member automatically holding the catch arrangement (1) in a locked position.

11. The latch structure (1) according to claim 1, wherein the latch structure (1) further comprises a latch (14), the latch (14) is fixed on the push lock body (10), a hasp (24) matched with the latch (14) is arranged on the drawer box (2), and the latch (14) and the hasp (24) can be locked mutually.

12. Drawer-box, characterized in that it comprises a catch structure (1) according to any one of claims 1 to 11.