CN219387538U - Light and thin coded lock - Google Patents

Abstract

The utility model relates to the technical field of locks, in particular to a light and thin coded lock, which comprises a lock shell and a coded wheel assembly arranged in the lock shell, wherein the upper end surface of the lock shell is provided with at least two first through holes, the lower end surface of the lock shell is provided with at least two second through holes, and each first through hole is correspondingly aligned with one second through hole in the vertical direction; the cipher wheel assembly comprises at least two cipher wheels, and each cipher wheel is correspondingly arranged between the first through hole and the second through hole, so that the upper part of the cipher wheel is exposed out of the first through hole and the lower part of the cipher wheel is exposed out of the second through hole. Through exposing the upper portion and the lower part of cipher wheel in the outside of lock shell, the inside height of lock shell equals the height of cipher wheel middle part volume, has reduced the space that the lock shell took in the direction of height greatly, has solved the heavy problem in the past.

Description

Light and thin coded lock

Technical Field

The utility model relates to the technical field of locks, in particular to a light and thin coded lock.

Background

See patent document CN2020231042459, it discloses a special-shaped frame case and bag padlock, including convertible lock body and hasp seat, the convertible lock body includes lock shell, turnover seat, bottom plate, switch backstop shell fragment, first spring, button, second spring, cipher wheel positioning seat, cipher wheel subassembly and lock core. The upper part of the cipher wheel component is exposed out of the upper end face of the lock body, the lower end face of the lock body is provided with three hole sites, positioning elastic sheets are formed in each hole site, and the positioning elastic sheets mainly interfere with the cipher wheel of the cipher wheel component, so that the cipher wheel has interval pause hand feeling when being regulated. The volume of this kind of padlock is great, because the middle part and the lower part of cipher wheel subassembly are all held in the lock body inside, consequently, if cipher wheel subassembly third of volume exposes the up end of the lock body, then the inside thickness (the length in vertical direction) of lock body then must be greater than or equal to cipher wheel subassembly two-thirds's height, has the too big problem of volume.

See patent document CN2017200942346, which discloses a thin type lock catch with simple operation, and relates to the technical field of locks, and its structure comprises a lock hook, a lock catch, and a lock core component and a password component which can lock the lock catch. Similarly, the upper part of the password component of the lock is exposed at the upper end face of the lock body, and the middle part and the lower part of the password wheel component are both accommodated in the lock body, so that if one third of the volume of the password wheel component is exposed at the upper end face of the lock body, the inner thickness (the length in the vertical direction) of the lock body is required to be greater than or equal to the height of two thirds of the password wheel component, and the problem of overlarge volume exists.

In addition, when the conventional padlock adopts a key to unlock, the key is inserted to rotate the lock cylinder, the lock cylinder releases the motion restriction on the buckling piece to unlock, and after the key is rotated, the lock cylinder is pressed (the lock cylinder is pressed or the push button/push/switch is pressed) to unlock, so that the problem of troublesome unlocking exists, and the lock cannot be locked in a state of pulling out the key, so that the problem of inconvenient use exists.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a light and thin coded lock which can solve the technical problems of thicker structure and heavier weight in the height direction in the past.

The aim of the utility model is achieved by the following technical scheme: the application provides a light and thin coded lock, which comprises a lock shell and a coded wheel assembly arranged in the lock shell, wherein the upper end surface of the lock shell is provided with at least two first through holes, the lower end surface of the lock shell is provided with at least two second through holes, and each first through hole is correspondingly aligned with one second through hole in the vertical direction; the password wheel assembly comprises at least two password wheels, each password wheel is correspondingly arranged between the first through hole and the second through hole, so that the upper part of the password wheel is exposed out of the first through hole, the lower part of the password wheel is exposed out of the second through hole, and the height of the password wheel is smaller than half of the height of the password wheel.

The lock comprises a lock shell, a base and a bottom buckle, wherein the lock shell is hinged with the base through a hinge piece, and the other end of the lock shell is locked with the bottom buckle.

Wherein, the groove for the cipher wheel to put in is set on the side of the bottom button facing the lock case.

Wherein, the shell fragment is fixed mounting in the lock housing, and the free end of shell fragment and the periphery side butt of password wheel.

The lock comprises a lock shell, a lock core, a movable piece and a lock hook, wherein the lock core, the movable piece and the lock hook are arranged in the lock shell along the length direction of the lock shell, the lock hook is connected with a bottom buckle in a buckling mode, the lock hook is rotatably installed in the lock shell, an elastic piece for driving the lock hook to rotate towards the lock direction is arranged between the lock shell and the lock hook, the movable piece can slide along the length direction of the lock shell, the lock core is movably connected with the movable piece, the lock hook extends out of an unlocking part towards the movable piece, and the movable piece extends out of a pushing part towards the unlocking part; when the lock cylinder is unlocked, the lock cylinder is rotated, the lock cylinder pushes the movable piece to slide towards the lock hook, and the pushing part of the movable piece abuts against the unlocking part of the lock hook, so that the lock hook rotates towards the unlocking direction.

The unlocking part is in a fan-shaped arrangement, the end face of the unlocking part, facing the pushing part, is an arc surface, the pushing part is in a triangular arrangement, and the end face of the pushing part, facing the unlocking part, is an inclined surface which is inclined upwards.

Wherein the elastic piece is a torsion spring or a spring.

The bottom buckle extends out of the side face of the lock hook, the end face of the lock hook, facing the lock hook, is provided with a clamping groove, and in the locked state, the lock hook is inserted into the clamping groove.

Wherein, lock core downwardly extending stirs the portion, and the connecting portion is extended towards the bottom of lock core to the moving part, and the inclined hole has been seted up to the connecting portion, stirs the portion and inserts in the inclined hole and stirs the portion and can follow the length direction slip in inclined hole.

The password wheel assembly also comprises a wheel shaft which is arranged along the length direction of the lock shell and can move in a telescopic manner, and the end part of the wheel shaft extends towards the pushing part; pushing the locking hook to extend out of the protruding block; when the lock is locked, the password is correct, the wheel axle cannot move in a telescopic way, the end part of the wheel axle abuts against the pushing side surface so as to limit the pushing sliding, and the convex block abuts against the lock hook; when unlocking, the password is correct, the wheel axle can move in a telescopic way, the pushing and pushing device slides towards the lock hook, and the convex block pushes the lock hook to rotate towards the unlocking direction.

The light and thin coded lock has the following beneficial effects:

(1) Through exposing the cipher wheel of cipher wheel subassembly at the up end and the lower terminal surface of lock shell to make the thickness (inside height) of lock shell obtain the reduction, upper portion and the lower part of cipher wheel expose in the outside of lock shell promptly, the inside height of lock shell equals the height of cipher wheel middle part volume, has reduced the space that the lock shell occupies in the direction of height greatly, thereby reaches the thinner effect of thickness, has reduced the preparation materials of lock shell, thereby has alleviateed the weight of lock shell, thereby reaches the lighter effect of quality.

(2) The whole structure of the lock catch is simple and compact, the use and operation are convenient and quick, and the lock catch has good anti-theft performance.

Drawings

The utility model will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the utility model, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.

Fig. 1 is a schematic structural diagram of a combination lock in this embodiment.

Fig. 2 is a schematic structural diagram of the password lock in the unlocked state in the present embodiment.

Fig. 3 is an exploded view of the combination lock of the present embodiment.

Fig. 4 is a schematic diagram illustrating an assembly of the bottom buckle and the latch hook in this embodiment.

Fig. 5 is a schematic structural diagram of the hidden latch cover and the combination wheel assembly in this embodiment.

Fig. 6 is an assembly schematic diagram of the lock cylinder and the movable member in the present embodiment.

Fig. 7 is a schematic structural diagram of the cipher wheel assembly in this embodiment.

Reference numerals: the lock comprises a face shell 11, a bottom cover 12, a password wheel 21, a wheel shaft 22, a spring piece 23, a lock cylinder 3, a poking part 31, a first rotating shaft 41, a second rotating shaft 42, an elastic piece 43, a pushing part 5, a protruding block 51, a movable piece 6, a pushing part 61, a connecting part 62, an inclined hole 63, a base 7, an unlocking spring 70, a bottom buckle 8, a clamping hook 81, a groove 82, a locking hook 9, a clamping groove 91, an unlocking part 92 and a guide post 93.

Detailed Description

The utility model will be further described with reference to the following examples.

An embodiment of a light and thin type coded lock according to the present utility model, as shown in fig. 1 to 3, includes a lock case and a coded wheel assembly installed inside the lock case. Specifically, the lock case includes a face case 11 (upper end face of the lock case) and a bottom cover 12 (lower end face of the lock case), and the face case 11 and the bottom cover 12 are detachably connected by a lock pin. It should be noted that the cipher wheel assembly includes a wheel axle 22, a cipher wheel (not shown) sleeved on the outer peripheral side of the wheel axle 22, and a cipher wheel 21, where the cipher wheel is in clamping fit with the cipher wheel 21, a plurality of grooves are formed on the outer peripheral side of the cipher wheel 21 and distributed along the circumferential direction of the cipher wheel 21, a reset spring for driving the wheel axle 22 to pop out outwards is sleeved on the outer peripheral side of the wheel axle 22, and it should be noted that the cipher wheel assembly structure and working principle in this embodiment are the same as those of the conventional cipher wheel assembly, when the cipher is incorrect, the wheel axle 22 cannot stretch and retract, and when the cipher is correct, the wheel axle 22 can stretch and retract, which is easy for those skilled in the art to know how the cipher wheel assembly of this embodiment works.

As an improvement, three first through holes are formed in the face housing 11, three second through holes are formed in the bottom cover 12, and in the assembled state, each of the first through holes is aligned with one of the second through holes in the vertical direction. The code wheel assembly comprises three code wheels 21, wherein each code wheel 21 is correspondingly arranged between the first through hole and the second through hole, so that the upper part of the code wheel 21 is exposed out of the first through hole and the lower part of the code wheel 21 is exposed out of the second through hole, and the height of the part of the code wheel 21 exposed out of the first through hole and/or the second through hole is less than half of the height of the code wheel 21, thereby ensuring that the code wheel 21 is stably arranged in the lock case. The structure can greatly reduce the thickness required by the lock shell, so that the distance between the top end surface of the surface shell 11 and the bottom end surface of the bottom cover 12 can be smaller than the outer diameter of the coded wheel 21, the thickness of the whole lock shell is reduced, and the whole lock shell is thinner and more attractive. It should be noted that the lock case structure of the present embodiment can be applied to other case locks, such as a slide fastener combination lock or padlock for locking a slide fastener piece, in addition to the lock buckle of the present embodiment.

In addition, the shell fragment 23 is fixedly installed in the lock shell, the free end of the shell fragment 23 is abutted with the peripheral side face of the password wheel 21, and specifically, the shell fragment 23 is inserted towards the groove of the password wheel 21, so that the handle of damping operation is realized when the password wheel 21 is stirred, and the normal work of the lock is not influenced even if the shell fragment 23 is not arranged.

In this embodiment, the coded lock further includes a base 7 and a bottom buckle 8, one end of the lock case is hinged to the base 7 through a hinge element, the hinge element is a first rotating shaft 41, the other end of the lock case is locked with the bottom buckle 8, and the working principle of the coded lock is the same as that of the traditional lock. In combination with fig. 4, a groove 82 for placing the password wheel 21 is formed in one surface of the bottom buckle 8 facing the lock case, so that a part of the password wheel 21 exposed out of the lower end surface of the lock case can be prevented from being separated, interference between the password wheel 21 and the bottom buckle 8 is avoided, and in addition, in order to facilitate the lock case to automatically spring up for unlocking in the unlocking process, an unlocking spring 70 is arranged between the lock case and the base 7.

The prior art is generally provided with a button switch and a lock cylinder, and the lock cylinder directly or indirectly limits the movement of the button switch in a locking state; when unlocking, after the key is inserted into the key to rotate the lock cylinder, the lock cylinder directly or indirectly releases the motion restriction of the button switch, so that the lock can be unlocked by pressing the button switch. The unlocking mode is complex, and after the key cannot be turned, the lockset can be unlocked directly, and the lock body can be opened only by pressing the switch button each time.

In order to solve the above-described problem, the lock catch of the present embodiment improves the unlocking portion 92 of the key cylinder 3. Specifically, with reference to fig. 5, the lock cylinder 3, the movable member 6, and the lock hook 9 that is fastened to the bottom button 8 and is arranged in the lock case in the longitudinal direction of the lock case, the lock hook 9 is rotatably mounted in the lock case through the second rotating shaft 42, and an elastic member 43 that drives the lock hook 9 to rotate in the upward locking direction is disposed between the lock case and the lock hook 9, in this embodiment, the elastic member 43 is a torsion spring, and in other embodiments, a spring may be mounted at the guide post 93 of the lock hook 9, so that the spring is located between the lock hook 9 and the lock case, and drives the lock hook 9 to rotate clockwise (in the upward locking direction) by using the elastic force of the spring. The movable piece 6 can only slide along the length direction of the lock shell, and the movable piece 6 is limited by the inner rib structure of the lock shell, so that the movable piece 6 can only slide along the length direction of the lock shell.

In this embodiment, the lock cylinder 3 is movably connected with the movable member 6, and in combination with fig. 6, the lock cylinder 3 extends downward to form a poking portion 31, the movable member 6 extends toward the bottom of the lock cylinder 3 to form a connecting portion 62, the connecting portion 62 is provided with an inclined hole 63, the poking portion 31 is inserted into the inclined hole 63, the poking portion 31 can slide along the length direction of the inclined hole 63, and the rotation of the lock cylinder 3 can be converted into the sliding of the movable member 6 by the cooperation of the inclined hole 63 and the poking portion 31.

As an improvement, the latch hook 9 extends out of the unlocking part 92 towards the movable part 6, and as a preferable scheme, the unlocking part 92 is in a fan shape, the end surface of the unlocking part 92 towards the pushing part 61 is an arc surface, and the movable part 6 extends out of the pushing part 61 towards the unlocking part 92, and as a preferable scheme, the pushing part 61 is in a triangle shape, and the end surface of the pushing part 61 towards the unlocking part 92 is an inclined surface which is inclined upwards, and in the assembled state, the inclined surface is positioned below the arc surface, so that the pushing part 61 is more convenient to push the unlocking part 92.

When the key is adopted for unlocking, the key is inserted, the lock cylinder 3 is rotated, the lock cylinder 3 pushes the movable piece 6 to slide towards the lock hook 9, the inclined surface of the pushing portion 61 of the movable piece 6 abuts against the arc surface of the unlocking portion 92 of the lock hook 9, so that the lock hook 9 rotates anticlockwise (unlocking direction), at the moment, the elastic piece 43 is in a compressed state, after the lock hook 9 rotates to an unlocking position, the unlocking spring 70 between the lock shell and the base 7 can spring the lock shell, the lock shell rotates around the first rotating shaft 41 relative to the base 7, and the lock hook 9 is separated from the bottom buckle 8, so that unlocking is realized. When the lock shell is separated from the bottom buckle 8, the key can be turned back, the key is pulled out of the lock cylinder 3, the poking part 31 of the lock cylinder 3 drives the movable part 6 to return in the process of turning the lock cylinder 3, the pushing part 61 of the movable part 6 is separated from the unlocking part 92 of the lock hook 9, the elastic part 43 in the compressed state drives the lock hook 9 to rotate clockwise (rotate towards the upward locking direction), the lock hook 9 returns, and the lock hook 9 is in the rotatable state. When the lock is needed to be locked, the lock of the embodiment is not needed to be inserted into a key again, the lock shell is only needed to be buckled towards the bottom buckle 8 manually, and since the lock hook 9 does not limit the degree of freedom of rotation around the second rotating shaft 42, when the lock hook 9 contacts the bottom buckle 8 in the process of buckling the lock shell, the external force overcomes the elastic force provided by the elastic piece 43, and the lock hook 9 and the bottom buckle 8 are buckled, so that the lock is realized. When the lock catch of this sample embodiment adopts the key to unlock, only need rotate lock core 3, need not to press, can make lock shell and bottom knot 8 separation, realize the unblock to, when locking, need not to insert the key, convenient operation uses swiftly.

Referring to fig. 4, the side of the bottom buckle 8 facing the latch hook 9 extends to form a latch 81, the end surface of the latch hook 9 facing the latch 81 is provided with a latch slot 91, and in the locked state, the latch 81 is inserted into the latch slot 91, and the latch structure is the same as that of a conventional latch.

Referring to fig. 7, in order to further improve convenience of the lock catch, a pushing unit 5 capable of sliding along a length direction of the lock case is further provided in the lock case, and an axle 22 of the code wheel assembly is disposed along the length direction of the lock case, so that the axle 22 can avoid, a second rotating shaft 42 is inserted into an end portion of the axle 22, and a strip Kong Gongdi is provided at an end portion of the axle 22, where the two rotating shafts 42 slide relative to the axle 22. The end of the axle 22 protrudes towards the pushing 5; the push 5 extends out of the projection 51 towards the latch hook 9.

When the lock is locked, the password is correct, the wheel axle 22 cannot move in a telescopic way, the end part of the wheel axle 22 abuts against the side surface of the pushing mechanism 5 so as to limit the sliding of the pushing mechanism 5, and the convex block 51 abuts against the locking hook 9; when unlocking, the password is correct, the wheel axle 22 can move in a telescopic way, the pushing part 5 is pushed to slide towards the locking hook 9, and the convex block 51 pushes the locking hook 9 to rotate towards the unlocking direction.

According to the light and thin coded lock, the coded wheel 21 of the coded wheel assembly is exposed out of the upper end face and the lower end face of the lock shell, so that the thickness (inner height) of the lock shell is reduced, namely, the upper portion and the lower portion of the coded wheel 21 are exposed out of the lock shell, the inner height of the lock shell is equal to the height of the middle volume of the coded wheel 21, the occupied space of the lock shell in the height direction is greatly reduced, the effect of thinner thickness is achieved, the preparation materials of the lock shell are reduced, the weight of the lock shell is reduced, and the effect of lighter weight is achieved. The whole structure of the lock catch is simple and compact, the use and operation are convenient and quick, and the lock catch has good anti-theft performance.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims (10)

1. A light and thin password lock is characterized in that: the password wheel assembly comprises a lock shell and a password wheel assembly arranged in the lock shell, wherein the upper end face of the lock shell is provided with at least two first through holes, the lower end face of the lock shell is provided with at least two second through holes, and each first through hole is aligned with one second through hole in the vertical direction;

the password wheel assembly comprises at least two password wheels, each password wheel is correspondingly arranged between a first through hole and a second through hole, so that the upper part of the password wheel is exposed out of the first through hole and the lower part of the password wheel is exposed out of the second through hole, and the height of the password wheel is smaller than half of the height of the password wheel.

2. The lightweight and thin combination lock of claim 1, wherein: the lock further comprises a base and a bottom buckle, wherein one end of the lock shell is hinged with the base through a hinge piece, and the other end of the lock shell is locked with the bottom buckle.

3. The lightweight and thin combination lock of claim 2, wherein: the bottom buckle is provided with a groove for placing the password wheel on one surface of the lock shell.

4. The lightweight and thin combination lock of claim 1, wherein: and an elastic piece is fixedly arranged in the lock shell, and the free end of the elastic piece is abutted to the peripheral side face of the password wheel.

5. The lightweight and thin combination lock of claim 2, wherein: the lock comprises a lock shell, a lock core, a movable piece and a lock hook, wherein the lock core, the movable piece and the lock hook are arranged in the lock shell along the length direction of the lock shell, the lock hook is connected with the bottom buckle in a buckling mode, the lock hook is rotatably installed in the lock shell, an elastic piece for driving the lock hook to rotate towards the lock direction is arranged between the lock shell and the lock hook, the movable piece can slide along the length direction of the lock shell, the lock core is movably connected with the movable piece, the lock hook extends out of an unlocking part towards the movable piece, and the movable piece extends out of a pushing part towards the unlocking part;

when the lock cylinder is unlocked, the lock cylinder is rotated, the lock cylinder pushes the movable piece to slide towards the lock hook, and the pushing part of the movable piece abuts against the unlocking part of the lock hook, so that the lock hook rotates towards the unlocking direction.

6. The lightweight and thin combination lock of claim 5, wherein: the unlocking part is in a fan-shaped arrangement, the end face of the unlocking part, which faces the pushing part, is an arc surface, the pushing part is in a triangular arrangement, and the end face of the pushing part, which faces the unlocking part, is an inclined surface which is inclined upwards.

7. The lightweight and thin combination lock of claim 5, wherein: the elastic piece is a torsion spring or a spring.

8. The lightweight and thin combination lock of claim 5, wherein: the bottom buckle extends out of the clamping hook towards the side face of the locking hook, a clamping groove is formed in the end face of the locking hook towards the clamping hook, and the clamping hook is inserted into the clamping groove in the locked state.

9. The lightweight and thin combination lock of claim 5, wherein: the lock core downwards extends out and stirs the portion, the moving part is towards the bottom extension connecting portion of lock core, the inclined hole has been seted up to connecting portion, stir the portion insert in the inclined hole just stir the portion can follow the length direction in inclined hole slides.

10. The lightweight and thin combination lock of claim 5, wherein: the coded wheel assembly also comprises a wheel shaft which is arranged along the length direction of the lock shell and can move in a telescopic manner, and the end part of the wheel shaft extends towards the pushing part;

the pushing extends out of the convex block towards the lock hook;

when the lock is locked, the password is correct, the wheel axle cannot move in a telescopic way, the end part of the wheel axle abuts against the pushed side surface so as to limit the sliding of the push, and the convex block abuts against the lock hook;

when unlocking, the password is correct, the wheel axle can move in a telescopic way, the pushing and manufacturing device is pushed to slide towards the lock hook, and the projection pushes the lock hook to rotate towards the unlocking direction.