CN213898529U

CN213898529U - Coded lock for box

Info

Publication number: CN213898529U
Application number: CN202022458643.4U
Authority: CN
Inventors: 黄子入
Original assignee: Dongguan Guokou Fastener Technology Co ltd
Current assignee: Guangdong guokou fastener Technology Co.,Ltd.
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-08-06
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a coded lock for a box, which comprises a shell and a bottom plate, wherein the bottom plate is connected with the shell to form an inner cavity, and also comprises an unlocking push piece, a lock bolt, a rotating dial piece, a slide block, a code wheel and a code wheel, wherein the lock bolt, the rotating dial piece, the slide block, the code wheel and the code wheel are all arranged in the inner cavity, and the lock bolt and the slide block are arranged on the bottom plate in parallel; one end of the unlocking push piece is exposed out of the shell, the other end of the unlocking push piece is abutted against one end of the lock bolt, the other end of the lock bolt is abutted against one end of the rotating shifting piece, and the other end of the rotating shifting piece is clamped with the sliding block; the slider is provided with a convex block, the code adjusting wheel is internally provided with a concave part matched with the convex block, and the code adjusting wheel is sleeved with the code adjusting wheel. The utility model discloses simple structure is compact, and the volume is less, and the equipment is convenient, is applicable to batch production.

Description

Coded lock for box

Technical Field

The utility model relates to a trick lock technical field specifically is a trick lock is used to case.

Background

The suitcase trick lock is installed at the suitcase opening part for two sides that open and shut of locking opening part. The suitcase coded lock comprises an opening piece used for controlling the coded lock to be opened, and when the code is correct, the opening piece can be operated to open the coded lock. In the prior art, the opening piece is rotatably connected in the shell of the coded lock, and the coded lock is not compact in internal structure and large in size due to the fact that the opening piece needs to occupy a large space when rotating.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a trick lock for case, simple structure is compact, and the volume is less, and the equipment is convenient, is applicable to batch production.

In order to achieve the above object, the utility model provides a following technical scheme:

a coded lock for a box comprises a shell and a bottom plate, wherein the bottom plate is connected with the shell to form an inner cavity, the coded lock further comprises an unlocking push piece, a lock bolt, a rotating shifting piece, a sliding block, a code adjusting wheel and a code wheel, the lock bolt, the rotating shifting piece, the sliding block, the code adjusting wheel and the code wheel are all arranged in the inner cavity, and the lock bolt and the sliding block are arranged on the bottom plate in parallel;

one end of the unlocking push piece is exposed out of the shell, the other end of the unlocking push piece is abutted against one end of the lock bolt, the other end of the lock bolt is abutted against one end of the rotating shifting piece, and the other end of the rotating shifting piece is clamped with the sliding block; the slider is provided with a convex block, the code adjusting wheel is internally provided with a concave part matched with the convex block, and the code adjusting wheel is sleeved with the code adjusting wheel.

In one embodiment, a code adjusting spring is arranged in the code adjusting wheel, a spring fixing piece is arranged on the bottom plate, one end of the code adjusting spring is connected with the code adjusting wheel, and the other end of the code adjusting spring is limited in the spring fixing piece.

In one embodiment, a transmission piece is arranged on one side of the sliding block and is clamped with the rotating shifting piece.

In one embodiment, a return spring is arranged on one side of the transmission part, a spring limiting groove is formed in the sliding block, a limiting block for limiting the return spring is arranged in the shell, one end of the return spring is sleeved on the spring limiting groove, and the other end of the return spring abuts against the limiting block.

In one embodiment, a sliding groove is formed in the shell, a lock hole is formed in the sliding groove, the lock bolt comprises a push rod and a lock head integrally formed with the push rod, and the lock head is limited in the sliding groove.

In one embodiment, the bottom plate is provided with a spring sheet, the spring sheet is arranged below the lock hole, and the lock head is pressed on the spring sheet.

In one embodiment, the bottom plate is fixedly connected with the shell through screws.

In one embodiment, the device further comprises a box fixing piece, and the bottom plate is connected to the box fixing piece in a fitting mode.

The utility model discloses a trick lock is used to case, simple structure is compact, and the volume is less, and the equipment is convenient, is applicable to batch production.

Drawings

FIG. 1 is a perspective assembly view of the present invention;

fig. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic view of the internal structure of FIG. 2 with the housing opened;

FIG. 4 is a schematic view of the internal structure of FIG. 2 with the bottom plate opened;

11. a housing; 111. a limiting block; 112. a chute; 113. a lock hole; 12. a base plate; 121. a spring mount; 122. a spring plate; 13. a screw; 14. a box body fixing part; 21. unlocking the push piece; 22. a lock bolt; 221. a push rod; 222. a lock head; 23. rotating the shifting piece; 24. a slider; 241. a bump; 242. a transmission member; 243. a spring limiting groove; 25. a code adjusting wheel; 251. a recess; 26. a password wheel; 27. a code adjusting spring; 28. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, a combination lock for a box is provided, which includes a housing 11, a bottom plate 12 and a box fixing member 14, wherein the bottom plate 12 is connected to the housing 11 to form an inner cavity, the bottom plate 12 is fixedly connected to the housing 11 through a screw 13, the bottom plate 12 is connected to the box fixing member 14 in an embedded manner, and the box fixing member 14 can be used to be fixedly connected to a box.

The coded lock for the box further comprises an unlocking push piece 21, a lock plunger 22, a rotating dial piece 23, a sliding block 24, a code adjusting wheel 25 and a coded wheel 26, wherein the lock plunger 22, the rotating dial piece 23, the sliding block 24, the code adjusting wheel 25 and the coded wheel 26 are all arranged in the inner cavity, and the lock plunger 22 and the sliding block 24 are arranged on the bottom plate 12 in parallel.

One end of the unlocking push piece 21 is exposed out of the shell 11, the other end of the unlocking push piece abuts against one end of the lock bolt 22, the other end of the lock bolt 22 abuts against one end of the rotating poking piece 23, and the other end of the rotating poking piece 23 is clamped with the sliding block 24; the slider 24 is provided with a convex block 241, the code adjusting wheel 25 is provided with a concave part 251 matched with the convex block 241, and the code adjusting wheel 25 is sleeved with the code wheel 26.

Wherein, one side of the slider 24 is provided with a transmission piece 242, and the transmission piece 242 is clamped with the rotating shifting piece 23.

If the password is wrong, the lug 241 on the sliding block 24 is staggered with the concave part 251 in the code adjusting wheel 25, the lug 241 is abutted against the curved wall of the code adjusting wheel 25, the sliding block 24 cannot be pushed, when the unlocking pushing piece 21 is pushed, the unlocking pushing piece 21 applies pushing force to the lock bolt 22, the lock bolt 22 applies pushing force to the rotating poking piece 23, and the rotating poking piece 23 receives resistance from the sliding block 24 when rotating under the action of the pushing force, so that the unlocking pushing piece 21 cannot be pushed.

If the password is correct, the projection 241 on the sliding block 24 is matched with the concave part 251 in the code wheel 25, when the unlocking pushing piece 21 is pushed, the unlocking pushing piece 21 applies thrust to the lock bolt 22, the lock bolt 22 applies thrust to the rotary shifting piece 23, the rotary shifting piece 23 rotates under the action of the thrust, the sliding block 24 is pushed by the transmission piece 242 to move towards the code wheel 25, the projection 241 enters the concave part 251, and the unlocking pushing piece 21 is pushed to be unlocked.

Specifically, the shell 11 is provided with a sliding groove 112, the sliding groove 112 is provided with a locking hole 113, the latch 22 includes a push rod 221 and a lock head 222 integrally formed with the push rod 221, the lock head 222 is limited in the sliding groove 112, and when the unlocking push piece 21 is pressed down, the lock head 222 moves in the sliding groove 112 to leave the locking hole 113, so that two zipper sliders clamped in the locking hole 113 can be released. In one embodiment, the bottom plate 12 is provided with a spring plate 122, the spring plate 122 is disposed below the lock hole 113, the lock head 222 is pressed on the spring plate 122, and when the lock head 222 moves in the sliding slot 112 to leave the lock hole 113, two zipper heads clamped in the lock hole 113 can be ejected by the spring plate 122, so that convenience is improved.

Preferably, a return spring 28 is arranged on one side of the transmission member 242, a spring limiting groove 243 is arranged on the slider 24, a limiting block 111 for limiting the return spring 28 is arranged in the housing 11, one end of the return spring 28 is sleeved on the spring limiting groove 243, and the other end of the return spring is abutted against the limiting block 111. When the unlocking is successful, the slide 24 is reset under the force of the return spring 28, and the transmission piece 242 resets the rotating dial 23, so that the locking bolt 22 and the unlocking pusher 21 are reset.

Specifically, be equipped with in the accent yard wheel 25 and transfer yard spring 27, be equipped with spring mounting 121 on the bottom plate 12, transfer yard spring 27's one end and transfer yard wheel 25 to be connected, the other end is injectd in spring mounting 121. Under the effect of no external force, the code wheel 26 is rotated to drive the code adjusting wheel 25 to rotate, when the unlocking rotation dial piece 23 is pressed, the sliding block 24 is matched with the code adjusting wheel 25, at the moment, the code wheel 26 is rotated, the code adjusting wheel 25 cannot rotate along with the rotation, and the unlocking code can be changed.

The foregoing examples, while indicating preferred embodiments of the invention, are given by way of illustration and description, it is to be understood that the invention is not limited to the disclosed forms herein but is not intended to be exhaustive or to exclude other examples and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings or the skill or knowledge of the relevant art, and not to limit the scope of the invention. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the spirit and scope of the present invention, and these changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention, which is to be construed as being limited only by the appended claims. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A coded lock for a box comprises a shell and a bottom plate, wherein the bottom plate is connected with the shell to form an inner cavity;

2. The combination lock for the box according to claim 1, wherein a code adjusting spring is arranged in the code adjusting wheel, a spring fixing member is arranged on the bottom plate, one end of the code adjusting spring is connected with the code adjusting wheel, and the other end of the code adjusting spring is limited in the spring fixing member.

3. The coded lock for boxes according to claim 1, wherein a transmission member is arranged on one side of the sliding block and is clamped with the rotary shifting member.

4. The coded lock for the box according to claim 3, wherein a return spring is arranged on one side of the transmission member, a spring limiting groove is formed in the sliding block, a limiting block for limiting the return spring is arranged in the shell, one end of the return spring is sleeved on the spring limiting groove, and the other end of the return spring abuts against the limiting block.

5. The combination lock for the box according to claim 1, wherein a sliding groove is formed in the housing, a locking hole is formed in the sliding groove, the lock bolt comprises a push rod and a lock head integrally formed with the push rod, and the lock head is limited in the sliding groove.

6. The coded lock for the box according to claim 5, wherein a spring plate is arranged on the bottom plate, the spring plate is arranged below the lock hole, and the lock head is pressed on the spring plate.

7. The combination lock for a box of claim 1, wherein the bottom plate is fixedly connected to the housing by screws.

8. The combination lock for a box of claim 1, further comprising a box fixing member, wherein the bottom plate is engaged with the box fixing member.