CN220275107U - Lock catch structure, storage box and pull rod - Google Patents

Abstract

The utility model provides a lock catch structure, a storage box and a pull rod, wherein the lock catch structure is used for mutual locking between modules, the modules comprise a first module and a second module, the two modules have a locking state and an unlocking state, the lock catch structure is arranged on the first module, the lock catch structure comprises an operating piece and a locking piece which are arranged in a linkage way, and the locking piece is provided with a locking end far away from the operating piece; when the two modules are in a locking state, the locking end of the locking piece extends out of the second module to be mutually locked with the first module; and rotating the operating piece to drive the locking end to retract and separate from the second module so as to unlock the second module and the two modules are in an unlocking state. The lock catch structure provided by the utility model not only can set the operating part at a position convenient for a user to operate, but also can convert the rotary motion of the operating part into the telescopic motion of the locking part, and has the advantages of simple structure, multiple functions and convenience in operation.

Description

Lock catch structure, storage box and pull rod

Technical Field

The utility model relates to the technical field of locks, in particular to a lock catch structure, a storage box with the lock catch structure and a pull rod.

Background

The existing lock catch structure in the market mainly comprises a turnover lock catch, a sliding lock catch and a rotary lock catch, and the lock catches have the advantages of simple structure, high universality, low cost and the like, and can effectively solve the locking and unlocking functions between two modules. However, the conventional lock catches have some limitations, and the locking structure and the unlocking structure of the lock catches are the same component, so that the lock catch is required to be locked or unlocked at the position of the component, and the convenience of unlocking or locking is not considered, so that the locking and unlocking modes are complex and inconvenient to operate.

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

In view of the above, the utility model provides a locking structure, a storage box with the locking structure and a pull rod with the locking structure, wherein the locking structure comprises an operating piece and a locking piece which are arranged in a linkage way, and the locking structure is simple in structure, various in functions and convenient to operate.

The utility model provides a lock catch structure, which is used for mutual locking between modules, wherein the modules comprise a first module and a second module, the two modules have a locking state and an unlocking state, the lock catch structure is arranged on the first module, the lock catch structure comprises an operating piece and a locking piece which are arranged in a linkage way, and the locking piece is provided with a locking end far away from the operating piece; when the two modules are in a locking state, the locking end of the locking piece extends out of the second module to be mutually locked with the first module; and rotating the operating piece to drive the locking end to retract and separate from the second module so as to unlock the second module and the two modules are in an unlocking state.

Further, the latch structure further includes a mounting bracket fixable to the first module, the operating member is rotatably disposed on the mounting bracket, and the locking member is telescopically disposed on the mounting bracket.

Further, the latch structure further includes an elastic member located between the latch member and the mounting bracket/the first module.

Further, the locking structure further comprises an elastic piece and two locking pieces which are oppositely arranged, and the elastic piece is located between the two locking pieces.

Further, the latch structure further includes an elastic member located between the operating member and the mounting bracket/the first module.

Further, the operating member is a wrench rotatably provided on the mounting bracket/the first module through a rotation shaft.

Further, the operating member is provided with a bump, the locking member is provided with a pushing part which can be pushed against the bump, and a side surface of the pushing part, which is pushed against the bump, is provided with a first inclined surface.

Further, a second inclined plane is arranged on one side surface of the protrusion, which is propped against the pushing part, and the second inclined plane and the first inclined plane can mutually prop against each other.

Further, a lock plunger is arranged on the operation piece, a hasp matched with the lock plunger is arranged on the mounting bracket/the first module, and the lock plunger and the hasp can be mutually locked.

Further, the locking end of the locking piece is provided with a third inclined surface on one side surface facing the module, and the third inclined surface is matched with the elastic piece so that the two modules are automatically locked when reaching a preset position.

The utility model also provides a storage box, which comprises a storage box body and at least one storage box arranged in the storage box body, wherein each storage box is provided with the lock catch structure for locking and unlocking the storage box body and the storage box.

The utility model also provides a pull rod, which comprises a fixed rod and a telescopic rod which can slide relative to the fixed rod, wherein the fixed rod/the telescopic rod is provided with the lock catch structure for locking and unlocking the fixed rod and the telescopic rod.

The beneficial effects of the utility model are as follows: the operating piece and the locking piece of the lock catch structure are of two different structures, the operating piece can be arranged at a position convenient for a user to operate, and the rotating motion of the operating piece can be converted into the telescopic motion of the locking piece, so that the lock catch structure is simple in structure, multiple in function and convenient to operate.

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 cabinet according to an embodiment of the present utility model.

Fig. 2 is a cross-sectional view of an embodiment of the present utility model with a drawer closed.

FIG. 3 is an exploded view of a drawer and latch arrangement according to an embodiment of the present utility model.

Fig. 4 is a partial cross-sectional view of a drawer cabinet according to an embodiment of the present utility model.

Fig. 5 is an enlarged view of the area a in fig. 4.

Fig. 6 is a partial schematic view 1 of a drawer chest according to an embodiment of the utility model.

Fig. 7 is a partial schematic view of a drawer chest according to an embodiment of the utility model 2.

Fig. 8 is a partial schematic view 1 of a wrench according to an embodiment of the present utility model after rotation.

Fig. 9 is a partial schematic view of the wrench according to the embodiment of the utility model after rotation.

Fig. 10 is a cross-sectional view of the drawer of the embodiment of the present utility model as it is pulled out.

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.

The embodiment of the utility model provides a lock catch structure 1, which is used for mutual locking between modules, wherein the modules comprise a first module and a second module, the two modules have a locking state and an unlocking state, the lock catch structure 1 is arranged on the first module, the lock catch structure 1 comprises an operating member 11 and a locking member 12 which are arranged in a linkage manner, the operating member 11 rotates, and the locking member 12 stretches. When the two modules are in the locked state, the locking member 11 of the first module protrudes in the second module to lock each other; turning the operating member 11 brings the locking members 12 to retract to unlock each other, when the two modules are in an unlocked state. The operating member 11 and the locking member 12 of the locking structure 1 have two different structures, so that the operating member 11 can be arranged at a position convenient for a user to operate, and the rotary motion of the operating member 11 can be converted into the telescopic motion of the locking member 12, thereby greatly facilitating the operation of the user. The lock catch structure 1 can be used in storage boxes such as a drawer box 2 and a tool box shown in the drawings, or can also be used in telescopic locking structures such as a pull rod, and has the advantages of simple structure, multiple functions and convenience in operation. Hereinafter, the latch structure 1 will be described in detail by taking an example of application in the drawer box 2.

Referring to fig. 1 to 6, in the present embodiment, the drawer box 2 includes a drawer box body 20 and at least one drawer 21 disposed in the drawer box body 20, the drawer box body 20 has an opening, and each drawer 21 can be pulled out from the opening of the drawer box body 20. Each drawer 21 is provided with a locking structure 1 for locking the drawer 21 and the drawer box body 20. The drawer 21 has a locking state and an unlocking state, and the drawer box body 20 is provided with a clamping groove 202; when the locking piece 12 extends into the clamping groove 202, the drawer 21 is in a locking state, and when the locking piece 12 does not extend into the clamping groove 202. The drawer 21 is in an unlocked state. Specifically, when the drawer 21 is in the locked state, the locking member 12 of the latch structure 1 protrudes to lock the drawer 21 in the drawer box body 20 to keep the drawer 21 closed; when the drawer 21 is in the unlocked state, the locking member 12 of the locking structure 1 is retracted and separated from the clamping groove 202 of the drawer box body 20, and at this time, the drawer 21 can be pulled out from the opening of the drawer box body 20.

Further, referring to fig. 3 to 10, the latch structure 1 includes an operating member 11 and a locking member 12 that are disposed in a linkage manner, and rotation of the operating member 11 can drive expansion and contraction of the locking member 12, so as to lock and unlock the drawer 21. Specifically, the operating member 11 is provided with a bump 113, the locking member 12 is provided with a pushing portion 123 capable of pushing against the bump 113, and a side surface of the pushing portion 123 pushing against the bump 113 is provided with a first inclined surface 1231; when the operating member 11 is rotated to push the protrusion 113 against the first inclined surface 1231, the locking member 12 may convert the rotating force of the operating member 11 into the retracting force of the operating member 11, so that the rotation of the operating member 11 drives the retraction of the locking member 12 to unlock.

Further, a second inclined surface 1131 is disposed on a side surface of the protrusion 113 pushing against the pushing portion 123, and the second inclined surface 1131 and the first inclined surface 1231 can push against each other, so as to further facilitate the transmission and conversion of the force between the operating member 11 and the locking member 12.

Further, the latch structure 1 further includes a mounting bracket 13 fixed to the drawer 21, and the latch structure 1 is mounted to the drawer 21 through the mounting bracket 13. The drawer 21 is provided with a mounting cavity 210, the mounting cavity 210 is provided with an outlet 211 and a notch 212 on the surface of the drawer 21, and the mounting bracket 13 is arranged in the mounting cavity 210 and one side of the mounting bracket is exposed from the notch 212. The mounting bracket 13 can be fixed at the notch 212 through detachable structures such as rivets, clamping blocks and the like, so that the locking structure 1 is convenient to mount and dismount; in other embodiments, the latch structure 1 may also be mounted directly to the drawer 21. The locking piece 12 is arranged on the mounting bracket 13 in a telescopic way and can extend and retract at the extending opening 211; the operating member 11 is rotatably arranged on the mounting bracket 13 and is rotatable at the notch 212.

Further, the locking member 12 has an elongated structure with a locking end 121 remote from the operating member 11 and a fixed end 122 opposite to the locking end 121. The latch member 1 further includes an elastic member 14, and the elastic member 14 can automatically maintain the latch structure 1 in a latched state even if the latching end 121 is kept extended.

Further, the locking end 121 of the locking member 12 is provided with a third inclined surface 1211 on a side surface facing the drawer box body 20, and the third inclined surface 1211 cooperates with the elastic member 14 to automatically lock the drawer 21 when reaching a preset closing position (i.e. the drawer 21 is closed), so that a user can lock the drawer 21 without rotating the operating member 11, and can push the drawer 21 from any position to the closing position for locking, thereby avoiding the problem that the drawer 21 is forgotten to be locked when being closed, and greatly facilitating the user. Specifically, the drawer box body 20 is provided with a supporting portion 201, and when the drawer 21 is closed, the third inclined surface 1211 abuts against the supporting portion 201 to retract the locking member 12 inwardly. The locking end 121 of the locking member 12 is provided with a first straight surface 1212 on a side surface far away from the drawer box body 20, the clamping groove 202 of the drawer box body 20 is provided with a second straight surface 2021, and when the locking end 121 is clamped into the clamping groove 202, the second straight surface 2021 abuts against the first straight surface 1212 to lock the drawer 21, so that the drawer 21 cannot be pulled out.

In one embodiment, the resilient member 14 is located between the locking member 12 and the mounting bracket 13/drawer 21. When the operating member 11 is forced, the operating member 11 drives the locking member 12 to retract to unlock, and the elastic member 14 is compressed by the locking member 12 and the mounting bracket 13/drawer 21; when the operating member 11 is released, the elastic member 14 rebounds and drives the locking member 12 to extend to maintain the automatic locking state. The elastic member 14 may be a telescopic spring.

In one embodiment, the resilient member 14 is located between the operating member 11 and the mounting bracket 13/drawer 21. When the operating member 11 is forced, the operating member 11 drives the locking member 12 to retract to unlock, and the elastic member 14 is compressed by the operating member 11 and the mounting bracket 13/drawer 21; when the operating member 11 is released, the elastic member 14 rebounds and drives the operating member 11 to rotate, and the operating member 11 in turn drives the locking member 12 to extend to maintain the automatic locking state. The elastic member 14 may be a torsion spring.

In one embodiment, the latch structure 1 includes two oppositely disposed latches 12 to avoid the problem of a significant opening in one side of the drawer 21 when the drawer 21 is pulled out of the latch in a latched condition. At this time, the elastic member 14 may be located between the two locking members 12, so that the operating member 11 may simultaneously control unlocking of the two locking members 12, and the stress balance is achieved when the drawer 21 is unlocked and pulled out, so as to avoid the problem that an opening occurs on one side when the drawer 21 is pulled out. When the operating member 11 is forced, the operating member 11 drives the locking members 12 to retract to unlock, and the elastic member 14 is compressed by the two locking members 12; when the operating member 11 is released, the elastic member 14 rebounds and drives the locking member 12 to extend to maintain the automatic locking state. The elastic member 14 may be a telescopic spring.

Further, the operating member 11 is a wrench 111, the wrench 111 is rotatably arranged on the mounting bracket 13/the drawer 21 through the rotating shaft 112, the operating member 11 can be arranged at a position convenient for a user to operate, the drawer 21 can be unlocked when the drawer 21 is pulled out by using the wrench 111, the drawer 21 can be automatically locked when being closed, and the drawer 21 can be synchronously unlocked when the wrench 111 is pulled out, so that the device has a simple structure, multiple functions and convenient operation.

Further, the operation member 11 is provided with a lock latch 114, the mounting bracket 13/drawer 21 is provided with a hasp 131 matched with the lock latch 114, and the lock latch 114 and the hasp 131 can be mutually locked through an external lock, so that an anti-theft function is realized.

The beneficial effects of the utility model are as follows: the operating piece 11 and the locking piece 12 of the locking structure 1 are of two different structures, the operating piece 11 can be arranged at a position convenient for a user to operate, and the rotary motion of the operating piece 11 can be converted into the telescopic motion of the locking piece 12, so that the locking structure is simple in structure, multiple in function and convenient to operate.

In one embodiment, the latch structure 1 can be used in a pull rod, the pull rod comprises a fixed rod and a telescopic rod capable of sliding relative to the fixed rod, and the latch structure 1 is arranged on the fixed rod/telescopic rod, so that the sliding rod and the fixed rod can be relatively fixed at a certain position according to the requirement 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 mutual locking between modules, said modules comprising a first module and a second module, both modules having a locked state and an unlocked state, characterized in that said latch structure (1) is provided on said first module, said latch structure (1) comprising an operating member (11) and a locking member (12) arranged in a linkage, said locking member (12) having a locking end (121) remote from said operating member (11); when both modules are in a locked state, the locking end (121) of the locking member (12) protrudes into the second module to be interlocked with the first module; rotating the operating piece (11) drives the locking end (121) to retract and separate from the second module so as to unlock the second module from each other, and the two modules are in an unlocking state.

2. The latch structure (1) according to claim 1, wherein the latch structure (1) further comprises a mounting bracket (13) fixable to the first module, the operating member (11) being rotatably provided on the mounting bracket (13), the locking member (12) being telescopically provided on the mounting bracket (13).

3. The latch structure (1) according to claim 2, wherein the latch structure (1) further comprises an elastic member (14), the elastic member (14) being located between the latch member (12) and the mounting bracket (13)/the first module.

4. The latch structure (1) according to claim 1, wherein said latch structure (1) further comprises an elastic member (14) and two oppositely disposed locking members (12), said elastic member (14) being located between two of said locking members (12).

5. The latch structure (1) according to claim 2, wherein the latch structure (1) further comprises an elastic member (14), the elastic member (14) being located between the operating member (11) and the mounting bracket (13)/the first module.

6. The latch structure (1) according to claim 2, wherein the operating member (11) is a wrench (111), the wrench (111) being rotatably arranged on the mounting bracket (13)/the first module by means of a rotation shaft (112).

7. The latch structure (1) according to claim 1, wherein the operating member (11) is provided with a bump (113), the locking member (12) is provided with a pushing portion (123) capable of pushing against the bump (113), and a side surface of the pushing portion (123) pushing against the bump (113) is provided with a first inclined surface (1231).

8. The latch structure (1) according to claim 7, wherein a second inclined surface (1131) is disposed on a side surface of the protrusion (113) that pushes against the pushing portion (123), and the second inclined surface (1131) and the first inclined surface (1231) can push against each other.

9. The latch arrangement (1) according to claim 2, wherein the operating member (11) is provided with a latch (114), the mounting bracket (13)/the first module is provided with a catch (131) cooperating with the latch (114), and the latch (114) and the catch (131) are lockable to each other.

10. The latch structure (1) according to claim 3 or 4 or 5, wherein the locking end (121) of the locking member (12) is provided with a third ramp (1211) on a side facing the modules, said third ramp (1211) cooperating with the elastic member (14) to automatically lock both modules when a predetermined position is reached.

11. A storage box, the storage box includes the storage box body and sets up at least one storing box in the storage box body, its characterized in that, every the storing box is last all to be equipped with the hasp structure (1) of any one of claims 1 to 10 in order to lock, unblock the storage box body with the storing box.

12. A pull rod comprising a fixed rod and a telescopic rod which can slide relative to the fixed rod, wherein the fixed rod/the telescopic rod is provided with a locking structure (1) as claimed in any one of claims 1 to 10 so as to lock and unlock the fixed rod and the telescopic rod.