CN218293177U - Compact coded lock - Google Patents

Abstract

The utility model discloses a compact coded lock, which comprises a cipher device, a movable plate and a lock body with a lock hole, wherein the lock body is provided with a lock hook, and also comprises a lock block for limiting the motion range of the lock hook and a chute formed in the movable plate or formed in the lock block; the compact cipher device achieves the purpose of improving the compactness of the internal structure by designing the sliding block and the sliding groove which have the characteristic of structural stacking in space and can be linked with each other, so that the compact cipher device can realize the purpose of miniaturization, and further improves the adaptability of the compact cipher lock in mini luggage products with small assembly space.

Description

Compact coded lock

Technical Field

The utility model relates to a trick lock technical field especially relates to a compact trick lock.

Background

The common zipper type luggage coded lock generally realizes the purpose of locking or unlocking a lock hook by the dial-turn linkage of a cipher device arranged in a lock body, and the linkage structure between the cipher device and the lock hook adopts a connecting rod transmission structure and the like in many cases.

The coded lock which adopts the connecting rod transmission structure to realize linkage transmission has the advantages that the whole structure of the coded lock is larger due to the larger swing space required by the connecting rod transmission structure, and the coded lock has lower adaptability in products such as mini bags with smaller assembly space, for example lady satchels and the like.

SUMMERY OF THE UTILITY MODEL

To the not enough that exists among the prior art, the utility model aims to provide a compact trick lock to solve the following technical problem who mentions in the background art: the overall structure of traditional case and bag trick lock is great, the lower technical problem of adaptability in the little mini case and bag class product of assembly space.

The utility model discloses a solve the technical scheme that its problem adopted and be:

a compact coded lock comprises a cipher device, a movable plate and a lock body with a lock hole, wherein at least part of the lock body is provided with a lock hook which can extend into or withdraw from the lock hole, the cipher device is connected with the movable plate and is arranged in the lock body, the movable plate is configured to be at least movable under the drive of the dial rotation of the cipher device, the compact coded lock also comprises a lock block used for limiting the movement range of the lock hook and a chute formed in the movable plate or in the lock block, and the lock block is movably arranged in the lock body; the locking block is connected with the movable sheet in a sliding manner through the sliding groove; when the password of the password device is correct, the locking block moves out of the movement range of the locking hook through the sliding groove; when the password of the password device is wrong, the locking block moves to the movement range of the locking hook through the sliding groove, so that the locking hook is limited in the state of extending into the locking hole.

Furthermore, the locking hook is movably arranged on one side of the movable sheet and is positioned in the extending direction of the moving direction of the movable sheet.

Furthermore, the sliding groove is formed in the movable sheet, a sliding rod matched with the sliding groove is arranged on the locking block, and the sliding rod is movably arranged on the sliding groove.

Furthermore, an included angle between the sliding direction of the sliding rod in the sliding groove and the moving direction of the movable sheet in the lock body is larger than 0 degree and smaller than 90 degrees.

Furthermore, the compact coded lock also comprises a lock block spring for applying elastic force to the lock block, and the lock block spring is arranged in the lock body; the direction of the elastic force applied by the locking block spring and the sliding direction of the sliding rod which makes relative motion in the sliding groove form an included angle which is larger than 0 degree and smaller than 90 degrees.

Furthermore, the compact coded lock also comprises a code adjusting plate, and the code adjusting plate is movably arranged at the bottom of the movable sheet; the sliding rod penetrates out of the bottom of the sliding groove, and the moving range of the sliding rod in the sliding groove extends into the moving range of the code adjusting plate; when the password of the password device is wrong, the sliding rod moves to the moving range of the code adjusting plate through the sliding groove to limit the movement of the code adjusting plate, and the sliding rod is located in the moving range of the lock hook; when the password of the password device is correct, the sliding rod moves out of the movement range of the code adjusting plate through the sliding groove.

Furthermore, the movable sheet is provided with a movable groove for accommodating the cipher device, and an unlocking part is arranged on the movable groove; the cipher device is rotationally arranged in the movable groove; the cipher device is provided with an unlocking groove matched with the unlocking part; when the password of the password device is correct, the unlocking part is accommodated in the unlocking groove, and the locking block moves out of the movement range of the locking hook; when the password of the password device is wrong, the unlocking part is separated from the unlocking groove.

Furthermore, the lock body comprises a cover plate, and the code adjusting plate is movably arranged on the cover plate; the cover plate is provided with a locking plate bulge, and the bottom of the code adjusting plate is provided with a code locking groove and a code adjusting groove which are matched with the locking plate bulge; when the password of the password device is wrong, the lock plate protrusion is accommodated in the lock password slot; when the password of the password device is correct, the password adjusting plate is configured to be capable of moving to the state that the locking plate protrusion is accommodated in the password adjusting groove.

Further, the minimum distance between the code adjusting plate and the lock hook is configured to at least accommodate the sliding rod; when the cipher of the cipher device is wrong, the sliding rod is positioned between the code adjusting plate and the lock hook.

To sum up, the utility model provides a pair of compact trick lock has following technological effect:

1) The compact cipher device achieves the purpose of improving the internal structure compactness degree by designing the sliding block and the sliding groove which have the structure stacking characteristic in space and can be mutually linked, so that the compact cipher device can realize the purpose of miniaturization, and further improves the adaptability of the compact cipher lock in mini luggage products with small assembly space;

2) The lock hook is arranged in the extending direction of the moving direction of the movable sheet, so that the effect of reducing the structural assembly space of the lock body in the width direction can be achieved, the purpose of effectively reducing the appearance width of the compact coded lock is achieved, and the purpose of improving the assembly adaptability in the mini luggage product with a narrow opening width is achieved;

3) The code adjusting plate is movably arranged at the bottom of the movable sheet, so that the compact structure is improved, the overall volume of the compact coded lock is further reduced, and the compact coded lock is convenient to miniaturize;

4) The minimum distance between the code adjusting plate and the lock hook is configured to be at least capable of accommodating the sliding rod, and the sliding rod can be located between the code adjusting plate and the lock hook when the code is wrong.

Drawings

Fig. 1 is a schematic view of the overall structure of the compact combination lock of the present invention;

fig. 2 is a schematic view of the compact combination lock according to the present invention, illustrating the disassembled parts;

FIG. 3 is a schematic view of the internal structure of the present embodiment;

FIG. 4 is an exploded view of FIG. 3;

FIG. 5 is a top view of FIG. 3 in an unlocked state;

FIG. 6 is a top view of FIG. 3 in a locked condition;

FIG. 7 is a bottom view of FIG. 3 with the cover plate removed in an unlocked condition;

FIG. 8 is a bottom view of FIG. 3 with the cover plate removed in the locked condition;

FIG. 9 is a front view of FIG. 3 in a reset code state;

fig. 10 is a bottom view of fig. 3 with the cover plate removed in a reset code state.

Wherein the reference numerals have the following meanings:

1. a cipher device; 101. unlocking the groove; 102. a password wheel; 103. a code adjusting wheel; 104. a code adjusting spring; 2. a movable plate; 21. a movable groove; 22. an unlocking portion; 3. a lock hole; 4. a lock body; 5. a latch hook; 51. a latch hook spring; 6. a locking block; 61. a slide bar; 62. a lock spring; 7. a chute; 8. a code adjusting plate; 81. a code locking groove; 82. a code adjusting groove; 83. resetting the tank; 9. a cover plate; 91. the locking plate is convex; 10. and (5) pushing.

Detailed Description

For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 to 4, the embodiment discloses a compact combination lock, which includes a cipher device 1, a movable plate 2, a pushing mechanism 10 and a lock body 4 having a lock hole 3, wherein the lock body 4 is provided with a lock hook 5 at least partially capable of extending into or exiting from the lock hole 3, the lock hook 5 is installed in the lock body 4 through a lock hook spring 51, the pushing mechanism 10 is assembled in the lock body 4 and connected with the lock hook 5 to serve as a driving member for a user to push the lock hook 5 to move, the cipher device 1 and the movable plate 2 are connected and both arranged in the lock body 4, the movable plate 2 is configured to be at least capable of moving under the dial-up driving of the cipher device 1, and specifically, the compact combination lock further includes a lock block 6 for limiting the moving range of the lock hook 5 and a chute 7 formed in the movable plate 2 or formed in the lock block 6, and the lock block 6 is movably arranged in the lock body 4; the locking block 6 is connected with the movable sheet 2 in a sliding way through a sliding chute 7; when the password of the password device 1 is correct, the locking block 6 moves out of the movement range of the locking hook 5 through the sliding chute 7, so that the locking block 6 does not interfere with the movement of the locking hook 5, the unlocking purpose is achieved, the locking hook 5 can be pushed out of (i.e. quit from) the locking hole 3 by pushing the pushing mechanism 10, and the unlocking is completed; when the password of the password device 1 is wrong, the lock block 6 moves to the movement range of the lock hook 5 through the sliding groove 7, so that the lock hook 5 is limited in the state of extending into the lock hole 3, namely, the purpose of locking is achieved by interfering the mode of blocking the movement of the lock hook 5.

In the compact coded lock disclosed by the embodiment, the lock block 6 used for limiting the movement range of the lock hook 5 is designed between the movable plate 2 and the lock hook 5, and the sliding groove 7 is formed in the lock block 6 or the movable plate 2, so that the lock block 6 and the movable plate can be mutually linked, and the purpose of locking the movement of the lock hook 5 or releasing the movement of the lock hook 5 is achieved; because the purpose of linkage is realized between the locking block 6 and the movable sheet 2 through the sliding chute 7, and the sliding chute 7 is formed in the locking block 6 or the movable sheet 2, the locking block 6 and the movable sheet 2 can achieve the effects of structure stacking and mutual linkage in space, compared with the traditional coded lock adopting a connecting rod structure to realize linkage transmission, the compact coded lock optimizes the internal structural arrangement, improves the compactness of the internal structure of the coded lock, so that the compact coded lock can realize the purpose of miniaturization, and further improves the adaptability of the compact coded lock in mini luggage products with small assembly space.

Preferably, referring to fig. 3 and 5, the locking hook 5 is movably disposed at one side of the movable plate 2 and is located in an extending direction of a moving direction of the movable plate 2. In practical applications, especially in products such as mini-bags, for example, lady's satchels, the actual bag opening is often designed to be narrow, which makes the installation space for installing the coded lock in the width direction of the bag opening narrower. Based on this, set up latch hook 5 in the extending direction of the moving direction of movable plate 2, be about to latch hook 5 sets up in the length direction of movable plate 2, so, can play the effect that reduces lock body 4 structure assembly space on the width direction to reach the purpose that effectively reduces the appearance width of this compact trick lock, in order to realize improving the purpose of the assembly adaptability in the narrow and small mini case and bag class product of opening width.

Preferably, referring to fig. 3 to 5, in particular, in this embodiment, the sliding slot 7 is preferably formed in the movable plate 2, the lock block 6 is provided with a sliding rod 61 which is matched with the sliding slot 7, and the sliding rod 61 is movably arranged on the sliding slot 7. In contrast, the movable plate 2 has a large surface area and has a large number of positions for forming the sliding grooves 7, so that the purpose of optimizing the structural configuration is achieved.

Preferably, referring to fig. 3 and 4, an included angle between the sliding direction of the sliding rod 61 in the sliding slot 7 and the moving direction of the movable plate 2 in the lock body 4 is greater than 0 ° and less than 90 °, specifically, in this embodiment, an included angle between the sliding direction of the sliding rod 61 and the moving direction of the movable plate 2 is preferably 45 °, and since the lock hook 5 is disposed in the extending direction of the moving direction of the movable plate 2, an included angle between the sliding direction of the sliding rod 61 when the sliding rod 61 slides relatively in the sliding slot 7 and the moving direction of the movable plate 2 in the lock body 4 is set to be greater than 0 ° and less than 90 °, so that when the lock block 6 slides in the sliding slot 7, the lock block 6 can generate relative displacement in the width direction of the movable plate 2, and therefore, when the password of the password device 1 is correct, the lock block 6 can move out of the moving range of the lock hook 5.

The compact combination lock further comprises a lock spring 62 for applying an elastic force to the lock 6, the lock spring 62 being installed in the lock body 4, in this embodiment, when the combination is correct, the lock spring 62 is configured to be extended to release the elastic potential energy, and when the combination is wrong, the lock spring 62 is configured to be compressed to store the elastic potential energy; an included angle between the direction of the elastic force applied by the lock block spring 62 to the lock block 6 and the sliding direction of the sliding rod 61 when the sliding rod 61 makes a relative movement in the sliding slot 7 is greater than 0 ° and less than 90 °, and because an included angle greater than 0 ° and less than 90 ° exists between the direction of the elastic force and the relative sliding direction of the sliding rod 61 in the sliding slot 7, under certain conditions (in this embodiment, when a password is wrong, the movable plate 2 moves in a direction close to the locking hook 5, see fig. 6), the groove wall of the sliding slot 7 generates an acting force towards the lock block spring 62 on the sliding rod 61, so as to compress the lock block spring 62, so that the lock block 6 moves into the movement range of the locking hook 5, that is, the purpose of locking is achieved. Correspondingly, under other certain conditions (in this embodiment, when the password is correct, under the condition that the movable plate 2 is not obstructed in the direction away from the locking hook 5, see fig. 5), since the sliding groove 7 is arranged to have an included angle with the moving direction of the movable plate 2, the sliding groove 7 is pushed by the locking spring 62 to move in the direction away from the locking hook 5, and meanwhile, the locking spring 62 releases elastic potential energy and pushes the locking block 6 to move out of the moving range of the locking hook 5, thereby achieving the purpose of unlocking.

Preferably, referring to fig. 2, fig. 4, fig. 9 and fig. 10, the compact combination lock further includes a code adjusting plate 8 for starting or closing the code resetting function of the code device 1, wherein the code adjusting plate 8 is movably disposed at the bottom of the movable plate 2, specifically, the moving direction of the code adjusting plate 8 is the same as the moving direction of the movable plate 2, and meanwhile, the locking hook 5 is located in the extending direction of the moving direction of the code adjusting plate 8, and adopts a stacked structural assembly form, which is beneficial to improving the structural compactness and further reducing the overall volume of the combination lock; the sliding rod 61 penetrates through the bottom of the sliding groove 7, and the moving range of the sliding rod 61 in the sliding groove 7 extends to the moving range of the code adjusting plate 8; when the password of the password device 1 is wrong, the sliding rod 61 moves into the moving range of the password adjusting plate 8 through the sliding groove 7 to limit the movement of the password adjusting plate 8 so as to close the password resetting function of the password device 1, and the sliding rod 61 is positioned in the moving range of the locking hook 5; when the password of the password device 1 is correct, the sliding rod 61 moves out of the movement range of the code adjusting plate 8 through the sliding groove 7 to start the password resetting function of the password device 1. Because the lock hook 5 is arranged in the extending direction of the moving direction of the movable plate 2, the code adjusting plate 8 is movably arranged at the bottom of the movable plate 2, the sliding rod 61 is designed to penetrate through the bottom of the sliding groove 7, and the moving range of the sliding rod extends into the moving range of the code adjusting plate 8, so that when the cipher device 1 is in a state of wrong cipher, the sliding rod 61 is positioned between the lock hook 5 and the code adjusting plate 8, the sliding rod 61 can achieve the purposes of locking the lock hook 5 and closing the cipher resetting function, namely, when the lock hook 5 is locked, the sliding rod 61 can also achieve the function of closing the cipher resetting function, and the purpose of improving the use safety of the compact cipher lock is achieved. Specifically, the minimum distance between the code adjusting plate 8 and the locking hook 5 is configured to at least accommodate the sliding rod 61; when the cipher of the cipher device 1 is wrong, the sliding rod 61 is positioned between the code adjusting plate 8 and the lock hook 5, so that when the cipher is wrong, the sliding rod 61 can be positioned between the code adjusting plate 8 and the lock hook 5.

Specifically, referring to fig. 3, 7 to 10, the movable plate 2 has a movable groove 21 for accommodating the cipher device 1, and an unlocking portion 22 is disposed on the movable groove 21; the cipher device 1 is rotationally arranged in the movable groove 21; the cipher device 1 has an unlocking groove 101 which is matched with the unlocking part 22; when the password of the password device 1 is correct, the unlocking part 22 is accommodated in the unlocking slot 101, the locking block 6 moves out of the movement range of the locking hook 5, the locking hook 5 is in an unlocking state, and meanwhile, the password resetting function of the password adjusting plate 8 is started; when the password of the password device 1 is wrong, the unlocking part 22 is separated from the unlocking groove 101, and in the process of separation, the password device 1 pushes the movable plate 2 in the direction close to the locking hook 5, and at the moment, the movable plate 2 compresses the locking block spring 62, so that the locking block 6 moves between the locking hook 5 and the password adjusting plate 8, and the locking of the locking hook 5 is completed.

The cipher device 1 comprises a cipher wheel 102 and a code adjusting wheel 103, and a code adjusting spring 104 is arranged between the code adjusting wheel 103 and the cipher wheel 102.

Preferably, referring to fig. 4, 7 and 10, the lock body 4 comprises a cover plate 9, and the code adjusting plate 8 is movably arranged on the cover plate 9; the cover plate 9 is provided with a locking plate protrusion 91, and the bottom of the code adjusting plate 8 is provided with a code locking groove 81 and a code adjusting groove 82 which are matched with the locking plate protrusion 91; when the password of the password device 1 is wrong, the locking plate protrusion 91 is accommodated in the locking groove 81, and at the moment, the reset groove 83 on the password adjusting plate 8 is staggered with the password adjusting wheel 103, so that the password adjusting wheel 103 and the password wheel 102 are combined into an integral structure, and the password reset operation cannot be carried out at the moment; when the password of the password device 1 is correct, the password adjusting plate 8 is configured to be capable of moving to a state that the locking plate protrusion 91 is accommodated in the password adjusting groove 82, and when the password needs to be reset, the password adjusting plate 8 is pushed to enable the locking plate protrusion 91 to move into the password adjusting groove 82, at the moment, the resetting groove 83 corresponds to the password adjusting wheel 103, the password adjusting wheel 103 is separated from the password wheel 102 and accommodated in the resetting groove 83 under the action of the password adjusting spring 104, (wherein the password wheel 102 is generally limited in a shell where the lock body 4 is installed), at the moment, the password resetting operation can be carried out only by rotating the password wheel 102, after a new password is set, the pushing mechanism 10 is pushed to enable the locking plate protrusion 91 on the password adjusting plate 8 to reset into the password adjusting groove 81 again, and in this way, the resetting groove 83 pushes the password adjusting wheel 103 to approach to the password wheel 102 and combine with the password wheel 102, and the password resetting operation is completed.

In summary, the compact combination lock disclosed in this embodiment can bring the following beneficial effects:

1) The compact cipher device achieves the purpose of improving the internal structure compactness degree by designing the sliding block and the sliding groove which have the structure stacking characteristic in space and can be mutually linked, so that the compact cipher device can realize the purpose of miniaturization, and further improves the adaptability of the compact cipher lock in mini luggage products with small assembly space;

2) The lock hook is arranged in the extending direction of the moving direction of the movable sheet, so that the effect of reducing the structural assembly space of the lock body in the width direction can be achieved, the purpose of effectively reducing the appearance width of the compact coded lock is achieved, and the purpose of improving the assembly adaptability in the mini luggage product with a narrow opening width is achieved;

3) The code adjusting plate is movably arranged at the bottom of the movable sheet, so that the compact structure is improved, the overall volume of the compact coded lock is further reduced, and the compact coded lock is convenient to miniaturize;

4) The minimum distance between the code adjusting plate and the lock hook is configured to be at least capable of accommodating the sliding rod, and the sliding rod can be located between the code adjusting plate and the lock hook when the code is wrong.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims (9)

1. The utility model provides a compact trick lock, includes password ware (1), movable plate (2) and lock body (4) that have lockhole (3), be provided with on lock body (4) at least part can stretch into or withdraw from latch hook (5) in lockhole (3), password ware (1) with movable plate (2) are connected and all set up in lock body (4), movable plate (2) configuration is in can remove its characterized in that under the drive of dialling of password ware (1) at least:

the locking block (6) is used for limiting the movement range of the locking hook (5), and the locking block (6) is movably arranged in the lock body (4); and

a sliding chute (7) formed in the movable plate (2) or the locking block (6), wherein the locking block (6) is connected with the movable plate (2) in a sliding manner through the sliding chute (7);

when the password of the password device (1) is correct, the locking block (6) moves out of the movement range of the locking hook (5) through the sliding groove (7);

when the password of the password device (1) is wrong, the locking block (6) moves to the movement range of the locking hook (5) through the sliding groove (7), so that the locking hook (5) is limited in the state of extending into the locking hole (3).

2. A compact combination lock according to claim 1, characterized in that the locking hook (5) is movably arranged on one side of the movable plate (2) in the extension of the moving direction of the movable plate (2).

3. A compact combination lock according to claim 1 or 2, wherein the slide groove (7) is formed in the movable plate (2), the lock block (6) is provided with a slide bar (61) which is matched with the slide groove (7), and the slide bar (61) is movably arranged on the slide groove (7).

4. A compact combination lock according to claim 3, wherein the angle between the sliding direction of the sliding bar (61) in the sliding slot (7) and the moving direction of the movable plate (2) in the lock body (4) is greater than 0 ° and less than 90 °.

5. A compact combination lock according to claim 4, further comprising a lock block spring (62) for applying a resilient force to the lock block (6), the lock block spring (62) being provided in the lock body (4);

the direction of the elastic force applied to the locking block (6) by the locking block spring (62) and the sliding direction of the sliding rod (61) which makes relative movement in the sliding groove (7) form an included angle which is larger than 0 degree and smaller than 90 degrees.

6. A compact combination lock according to claim 3, further comprising a code adjusting plate (8), wherein the code adjusting plate (8) is movably arranged at the bottom of the movable plate (2);

the sliding rod (61) penetrates out of the bottom of the sliding groove (7), and the moving range of the sliding rod (61) in the sliding groove (7) extends into the moving range of the code adjusting plate (8);

when the password of the password device (1) is wrong, the sliding rod (61) moves to the movement range of the password adjusting plate (8) through the sliding groove (7) to limit the movement of the password adjusting plate (8), and the sliding rod (61) is located in the movement range of the locking hook (5);

when the password of the password device (1) is correct, the sliding rod (61) moves out of the movement range of the code adjusting plate (8) through the sliding groove (7).

7. A compact combination lock according to claim 6, characterized in that said movable plate (2) has a movable slot (21) for receiving said combination lock (1), said movable slot (21) being provided with an unlocking portion (22);

the cipher device (1) is rotatably arranged in the movable groove (21);

the cipher device (1) is provided with an unlocking groove (101) matched with the unlocking part (22);

when the password of the password device (1) is correct, the unlocking part (22) is accommodated in the unlocking groove (101), and the locking block (6) moves out of the movement range of the locking hook (5);

when the password of the password device (1) is wrong, the unlocking part (22) is separated from the unlocking groove (101).

8. A compact combination lock according to claim 7, characterized in that the lock body (4) comprises a cover plate (9), the code plate (8) being movably arranged on the cover plate (9);

a locking plate protrusion (91) is arranged on the cover plate (9), and a locking groove (81) and a code adjusting groove (82) which are matched with the locking plate protrusion (91) are arranged at the bottom of the code adjusting plate (8);

when the password of the password device (1) is wrong, the locking plate bulge (91) is accommodated in the code locking groove (81);

when the password of the password device (1) is correct, the code adjusting plate (8) is configured to be capable of moving to a state that the locking plate protrusion (91) is accommodated in the code adjusting groove (82).

9. A compact combination lock according to claim 6, characterized in that the minimum distance between the code plate (8) and the locking hook (5) is configured to be able to accommodate at least the sliding bar (61);

when the password of the password device (1) is wrong, the sliding rod (61) is positioned between the code adjusting plate (8) and the lock hook (5).

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