CN206571278U - Puzzle lock - Google Patents

Abstract

A kind of password padlock, involve the tool to lock technical field, its structure includes the face-piece, password assembly, lock block, movable block and unlocks the elastic piece, the lock block rotates and connects to the face-piece, when needing to lock, the password assembly promotes the movable block to move from its unlocking position to its locking position, thus promote the lock block to rotate to its locking position under overcoming the elasticity of the unlocking elastic piece, realize the locking of the password padlock; when needing the unblock under the locking state, password subassembly makes the movable block can get back to its unblock position from its locking position, then the locked block is its unblock position rotation under the spring action of unblock bullet piece, thereby pushes away its unblock position to the movable block from its locking position, at this whole unblock in-process, is that the locked block promotes the movable block and moves to its unblock position, like this the utility model discloses a make the locked block have the function that promotes the movable block and remove, can save the elastic push spare among the prior art, and then make the utility model discloses a password padlock component part reduces, thereby reduces the volume of password padlock, simplifies its structure, reduces its cost.

Description

a combination lock

technical field

The utility model relates to the technical field of locks, in particular to a combination lock.

Background technique

One end of the combination lock is hinged with one opening and closing side of the box, and the other end of the combination lock is locked with the other opening and closing side of the box. Open the combination lock, and the combination lock can be connected with the other side of the box. The opening and closing side is disengaged, and then the box can be opened. The structure of the combination lock generally includes a lock block and a combination wheel lock mechanism that controls the movement of the lock block. The combination wheel lock mechanism includes a combination component and a movable block. The combination component controls the lock through the movable block. The movement of the lock block, and the lock block is used to control the movement of the lock hook or the lock buckle, so as to realize the locking or disengagement of the lock hook and the lock buckle, so as to realize the locking or unlocking of the combination lock.

During the unlocking process, turn the password component until the digital password is correct, and the movable block is in a state where it can move toward its unlocking position. When the block moves to its unlocked position, it also pushes the lock block to overcome the elastic force of the unlocking spring to move to its unlocked position, and then the lock block releases the restriction on the movement of the lock hook or the lock buckle, so that the lock hook and the lock buckle can be disengaged. And then realize the unlocking of the password buckle lock; in the locking process, toggle the password component to make it push the movable block to overcome the driving force of the pusher to move to its locked position, and at the same time, the elastic force of the unlocking elastic pushes the lock block to reset to its locked position , and then the lock block restricts the movement of the lock hook or buckle, thereby realizing locking. In the prior art, the movement of the movable block is driven by adding a pusher, which not only increases the production cost and the volume of the combination lock, but also makes the structure of the combination lock more complex and the assembly process more cumbersome.

In addition, in order to limit the code adjustment of the combination lock, the movable block is generally provided with a blocking part that blocks the movement of the code adjustment switch, which will increase the structure and motion coordination of the movable block, and further increase the processing difficulty and assembly difficulty of the movable block.

Contents of the invention

The purpose of the utility model is to provide a combination lock, which can also realize the movement of the movable block under the condition of omitting the pusher, so that the cost and volume of the combination lock can be reduced.

The purpose of this utility model is achieved through the following technical solutions:

Provided is a combination buckle lock, comprising a face shell, a code component, a movable block and a lock block, the code component, the moveable block and the lock block are all built into the face shell, the lock block is rotatably connected to the face shell, and the lock block abuts against a button for pushing the lock The unlocking spring that the block rotates to its unlocking position; when it needs to be locked, the password component pushes the movable block to move from its unlocking position to its locking position, thereby pushing the lock block to overcome the elastic force of the unlocking spring to rotate to its locking position, realizing The locking of the password buckle lock; when it needs to be unlocked in the locked state, the password is correct, and the password component enables the movable block to return from its locked position to its unlocked position, and the lock block rotates to its unlocked position under the elastic force of the unlocking elastic position, thereby pushing the movable block back from its locked position to its unlocked position.

Wherein, the middle part of the lock block is provided with a rotating shaft, and the lock block is rotatably connected with the face shell through the rotating shaft. The lower end of the lock block is provided with a first slope, and the movable block is provided with a second slope matching the first slope. The lower end of the top lock block makes the first slope abut against the second slope. When locking is required, the movable block pushes the lock block against the elastic force of the unlocking spring to move to its locked position through the second slope against the first slope; When it needs to be unlocked in the tight state, the lock block rotates and pushes the movable block from its locked position back to its unlocked position through the first slope against the second slope.

Wherein, the lower end of the lock block is also provided with a limit card protrusion, and the movable block is provided with a limit card slot, and the limit card protrusion is stuck in the limit card slot to limit the movement of the movable block.

Wherein, the code buckle lock includes a push block built in the face shell, one end of the face shell is hinged with an opening and closing side of the box body, the upper end of the lock block is provided with a locking part, and the push block is provided with a locking part abutting against the locking part And the buckle lock that is locked with the other opening and closing side of the box; when the lock block is in its locked position, the locking part is against the upper lock part to prevent the movement of the push block, so that the lock buckle is buckled on the other side of the box body. On the opening and closing side; when the lock block is at its unlocking position, the locking part and the locking part are staggered so that the push block can move, and then the lock catch is disengaged from the other opening and closing side of the box body.

Wherein, the code buckle lock also includes a bracket fixed on one opening and closing side of the box body and a base fixed on the other opening and closing side of the box body. Shackle.

Wherein, the face shell is provided with an open rotation groove, and the unlocking elastic member abuts against the lock block so that the rotation shaft is built into the rotation groove and is rotatably connected with it.

Wherein, the code buckle lock comprises a lock core, the lock core is provided with an unlocking projection, and the upper end of the lock block is provided with an unlocking part. The opening of the lock moves, and then the locking part and the locking part are staggered, so that the push block can move.

Wherein, the combination lock includes a code adjustment switch, and when the lock is in a locked state, the lock block prevents the code adjustment switch from moving to limit the code adjustment.

Wherein, the lock block is provided with a blocking portion, and the code adjustment switch is provided with a blocking protrusion. When in a locked state, the lock block resists the blocking protrusion through the blocking portion to prevent the code adjustment switch from moving.

The beneficial effects of the utility model:

The combination lock of the utility model has a structure comprising a lock block, the lock block is rotatably connected to the face shell, and the lock block abuts against an unlocking spring for pushing the lock block to rotate to its unlocking position. The block moves from its unlocking position to its locking position, thereby pushing the lock block to move to its locking position under the condition of overcoming the elastic force of the unlocking spring, so as to realize the locking of the password buckle lock; when it needs to be unlocked in the locked state, the password The assembly enables the movable block to return from its locked position to its unlocked position, and the lock block rotates to its untightened position under the push of the elastic force of the unlocking spring, thereby pushing the movable block back from its locked position to its unlocked position. During the entire unlocking process, the lock block pushes the movable block to move to its unlocking position, which can save the elastic pusher in the prior art, thereby reducing the components of the combination lock of the present utility model, thereby reducing the number of components of the combination lock. The volume, simplify its structure, reduce its cost.

Preferably, when the combination lock of the present utility model is in the locked state, the lock block can also prevent the movement of the code adjustment switch to limit the code adjustment of the combination lock, which makes the lock block of the present utility model not only able to push the movable block to move Up to its unlocking position, it can also limit the code adjustment of the code adjustment switch, so that the lock block integrates multiple functions, thereby reducing the volume of the combination lock and simplifying the structure of the combination lock.

Description of drawings

Utilize accompanying drawing to further illustrate the utility model, but the embodiment in the accompanying drawing does not constitute any restriction to the utility model, for those of ordinary skill in the art, under the premise of not paying creative work, also can obtain according to following accompanying drawing Additional drawings.

Fig. 1 is a schematic structural view of the combination lock of the present utility model.

Fig. 2 is a schematic diagram of the structure of the utility model with the code wheel and the code adjustment wheel hidden and the face shell turned up.

Fig. 3 is a partially exploded schematic diagram of the concealed cover of the combination lock of the present invention.

Fig. 4 is a structural schematic diagram of a lock block of the combination lock of the present invention.

Figures 1 to 4 include:

1 - bracket;

2-base, 21-lock hook;

3-lock block, 31-first inclined plane, 32-limiting protrusion, 33-rotation shaft, 34-locking part, 35-blocking part, 36-unlocking part;

4-movable block, 41-second slope, 42-limit card slot;

5- Unlock the bomb;

6-push block, 61-locking part, 62-lock buckle;

7-code adjustment switch, 71-block bump;

8-lock cylinder, 81-unlocking projection;

9-cipher wheel;

10- code wheel;

11-face shell, 111-rotation groove;

12 - Substrate.

detailed description

The utility model is further described in conjunction with the following examples.

An embodiment of a combination lock of the present utility model, as shown in Figure 1 and Figure 2, the structure of the combination lock comprises a support 1, a base 2, a face shell 11 and a base plate 12, and the face shell 11 is covered on the base plate 12 and Fixed with the base plate 12, the cover 11 and the base plate 12 form an accommodating space, in which a lock block 3, a push block 6 and a movable block 4 are installed, the bracket 1 is fixed on an opening and closing side of the box body, and the base 2 is fixed on the other opening and closing side of the box body, the face shell 11 is hinged with the bracket 1, the push block 6 is slidingly connected with the face shell 11, the push block 6 is provided with a lock 62, and the base 2 is provided with a lock that cooperates with the lock 62 The hook 21 and the lock 62 are locked with the lock hook 21 to realize the locking of the combination lock.

In the present embodiment, there are two push blocks 6, and the two push blocks 6 are symmetrically located on the left and right sides of the lock block 3, and the push blocks 6 and the movable block 4 are arranged in parallel, so that the push block 6 and the movable block 4 are staggered, which can effectively Reduce the left and right width of the combination lock.

As shown in Figures 2 to 4, the middle part of the lock block 3 is provided with a rotating shaft 33, and the locking block 3 is rotationally connected with the face shell 11 through the rotating shaft 33, and the face shell is provided with a rotating groove 111 with an opening, and the rotating shaft 33 can Built in the rotation groove 111 and connected to it in rotation, the unlocking elastic part 5 is located at the bottom of the lock block 3, and the unlocking elastic part 5 abuts against the lock block 3 so that the rotating shaft 33 is built into the rotating groove 111, so that the locking block 3 rotates with the rotation axis 33 is the center and can swing back and forth. The lower end of the lock block 3 is provided with a first slope 31 and a limit card protrusion 32. The movable block 4 is provided with a second slope 41 and a limit card groove 42. The second slope 41 extends to the limit card. At the bottom of the slot 42, the limit card protrusion 32 is stuck in the limit card slot 42 to limit the left and right movement of the movable block 4, while the first inclined surface 31 abuts the second inclined surface 41, and the limit card groove 42 moves left and right with the movable block 4 Simultaneously, the first slope 31 and the second slope 41 also slide relatively. Both sides of the upper end of the lock block 3 are locking portions 34, and the push block 6 is provided with a locking portion 61 that abuts against the locking portion 34. When the combination lock is in a locked state, the locking portion 34 abuts against the locking portion 61 To prevent the sliding of the push block 6, when the combination lock is in the unlocked state, the locking portion 34 and the locking portion 61 are staggered so that the push block 6 can slide, and then the push block 6 can be pressed into the face shell 11.

The password assembly includes a code wheel 9 and a code adjustment wheel 10. The code wheel 9 is set outside the code adjustment wheel 10 and drives the code adjustment wheel 10 to rotate. The wheel 10 restricts the leftward translation of the movable block 4 to its unlocked position, and the movable block 4 abuts against the first inclined surface 31 through the second slope 41 to make the lock block 3 in its locked position. At this time, the lock block 3 has overcome the unlocking spring. 5 makes the lower end of the lock block 3 rotate upwards, and the locking portion 34 of the lock block 3 pushes against the locking portion 61 of the push block 6, so that the push block 6 cannot slide, and the lock 62 of the push block 6 is in contact with the base 2 The lock hook 21 is in a locked state.

During the unlocking process, dial the password wheel 9 to make the digital password correct, and the code adjustment wheel 10 releases the restriction on the translation of the movable block 4 to the left, so that the movable block 4 can be translated from its locked position to its unlocked position to the left, and then unlocked. The elastic force of the elastic member 5 pushes the lower end of the lock block 3 to rotate upwards to its unlocking position. During the upward rotation of the lock block 3, the lock block 3 pushes the movable block 4 to the left by the first slope 31 against the second slope 41 Translation until the movable block 4 is pushed to its unlocking position. At this time, the locking portion 34 of the locking block 3 is staggered with the locking portion 61 of the pushing block 6, and the pushing block 6 can be pressed into the cover body 11, thereby making the pushing block 6 The lock 62 of the lock 62 is disengaged from the lock hook 21 of the base 2 to realize the unlocking of the combination lock, and then the opening spring fixed on the support 1 pushes up against the top cover 11, so that the cover automatically turns upwards, and then the casing can be opened. Since the utility model pushes the movable block 4 to its unlocking position through the lock block 3, the pusher in the prior art is omitted, so that the components of the combination lock of the utility model are reduced, thereby reducing the number of components of the combination lock. The volume, simplify its structure, reduce its cost.

As shown in Figure 2 and Figure 3, the lock block 3 is provided with a blocking portion 35, the blocking portion 35 is located on the right side of the limit card protrusion 32, and the code adjustment switch 7 is provided with a blocking projection 71, when the locked state, the blocking portion 35 against the block projection 71 to limit the translation of the code adjustment switch 7 to the left, and then prevent the buckle from being coded, so that the lock block 3 of the present utility model also has the function of limiting the code adjustment switch 7 code adjustments, so that The lock block 3 of the utility model can integrate multiple functions into one body, thereby reducing the volume of the lock and simplifying the structure of the lock.

As shown in Figures 1 to 3, the buckle lock also includes a lock core 8 embedded in the accommodation space, and the lock core 8 is provided with an unlocking projection 81. When the key is unlocked, the key is inserted into the lock core 8 and drives the lock core 8 to rotate clockwise. The lock cylinder 8 drives the unlocking projection 81 to rotate clockwise, and the unlocking projection 81 presses against the unlocking portion 36 located at the upper end of the lock block 3, so that the upper end of the lock block 3 rotates downward, but since the lower end of the lock block 3 is in contact with the movable block 4 At this time, the unlocking projection 81 presses the unlocking part 36 to make the rotating shaft 33 move toward the opening of the downward turning groove 111, and then the entire lock block 3 moves downward together, so that the lock block 3 The locking part 34 is staggered with the locking part 61 of the push block 6, so that the push block 6 can be pressed to the inside of the lock body to realize the unlocking of the buckle lock.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting the protection scope of the present utility model. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art Personnel should understand that the technical solution of the utility model can be modified or equivalently replaced without departing from the essence and scope of the technical solution of the utility model.

Claims (9)

1. A code buckle lock, comprising a face shell, a password assembly, a movable block and a lock block, the code assembly, a movable block and a lock block are all built into the face shell, and it is characterized in that: the lock block is rotatably connected to the face shell, and the lock block touches the face shell Connected with an unlocking spring for pushing the lock block to its unlocking position; when it needs to be locked, the password component pushes the movable block to move from its unlocking position to its locking position, thereby pushing the lock block to overcome the elastic force of the unlocking spring to rotate to its The locking position realizes the locking of the password buckle lock; when it needs to be unlocked in the locked state, the password is correct, and the password component enables the movable block to return from its locked position to its unlocked position, and the lock block is released under the elastic force of the unlocking spring. Rotate towards its unlocked position, thereby push the movable block back to its unlocked position from its locked position. 2. A combination lock according to claim 1, characterized in that: the middle part of the lock block is provided with a rotating shaft, the lock block is rotatably connected with the face shell through the rotating shaft, and the lower end of the lock block is provided with a first inclined plane, which is movable The block is provided with a second slope that cooperates with the first slope, and the unlocking spring is pushed against the lower end of the lock block so that the first slope touches the second slope. When locking is required, the movable block pushes against the first slope through the second slope Push the lock block to overcome the elastic force of the unlocking spring and move to its locked position; when it needs to be unlocked in the locked state, the lock block rotates and pushes the movable block from its locked position back to its unlocked position through the first slope against the second slope bit. 3. A combination lock according to claim 2, characterized in that: the lower end of the lock block is also provided with a limit card protrusion, the movable block is provided with a limit card slot, and the limit card protrusion is stuck in the limit card slot to Limit the movement of the movable block. 4. A combination lock according to claim 2, characterized in that: the combination lock includes a push block built into the face shell, one end of the face shell is hinged with an opening and closing side of the casing, and the upper end of the lock block is set There is a locking part, and the push block is provided with a locking part that is against the locking part and a buckle that is locked with the other opening and closing side of the box body; when the locking block is in its locked position, the locking part is against the locking part to Prevent the movement of the push block, so that the lock buckle is on the other opening and closing side of the box body; when the lock block is in its unlocked position, the locking part and the locking part are staggered so that the push block can move, and then the lock buckle and the box body The other opening and closing side of the body is disengaged. 5. A combination lock according to claim 4, characterized in that: the combination lock also includes a bracket fixed on one opening and closing side of the box body and a base fixed on the other opening and closing side of the box body. The shell and the bracket are hinged, and the base is provided with a lock hook locked with the lock of the push block. 6 . The combination lock according to claim 4 , wherein: the face shell is provided with an open rotation groove, and the unlocking elastic member abuts against the lock block so that the rotation shaft is built into the rotation groove and is rotatably connected with it. 7 . 7. A combination lock according to claim 6, characterized in that: the combination lock comprises a lock core, the lock core is provided with an unlocking projection, and the upper end of the lock block is provided with an unlocking part, when the key is unlocked, the lock core drives The unlocking protrusion rotates until it presses the unlocking part so that the rotating shaft moves toward the opening of the rotating groove, and then the locking part and the locking part are staggered. 8 . The combination lock according to claim 1 , wherein the combination lock includes a code adjustment switch, and in the locked state, the lock block prevents the movement of the code adjustment switch to limit the code adjustment. 9. A combination lock according to claim 8, characterized in that: the lock block is provided with a blocking part, and the code adjustment switch is provided with a blocking projection, and in the locked state, the lock block passes through the blocking part to abut against the blocking projection to prevent the movement of the code switch.