CN112196367A

CN112196367A - Puzzle lock

Info

Publication number: CN112196367A
Application number: CN202011068150.8A
Authority: CN
Inventors: 罗俊文; 杨恩富
Original assignee: Dongguan Guofeng Manufacturing Co ltd
Current assignee: American Group Co.,Ltd.
Priority date: 2020-10-08
Filing date: 2020-10-08
Publication date: 2021-01-08
Anticipated expiration: 2040-10-08
Also published as: CN112196367B

Abstract

The invention provides a coded lock, which comprises a shell and a first flexible rope, wherein a code assembly is arranged in the shell, and the shell comprises an input end and an output end; the shell is provided with a cavity which extends from the input end to the output end and can be penetrated by the first flexible rope; the coded lock also comprises a pressing control assembly arranged in the shell, and the pressing control assembly comprises a pressing ring, a clamping torsion spring and a clamping piece; the pressing ring is movably arranged on the shell; the clamping piece is provided with a one-way clamping tooth extending into the cavity along the side wall of the cavity, the one-way clamping tooth inclines towards the input end and forms a clamping mechanism used for clamping the first flexible rope when the first flexible rope is pulled in the opposite direction with the other side wall of the cavity; the clamping piece also comprises a circular ring and pushing teeth for fixing; the pushing tooth is provided with an inclined plane which is abutted to the pressing ring, and when the pressing ring presses the inclined plane, the pushing tooth drives the clamping piece to rotate so that the one-way clamping tooth is far away from the cavity. The coded lock provided by the invention is convenient and quick to lock and unlock and has high safety performance.

Description

Puzzle lock

Technical Field

The invention relates to the technical field of locks, in particular to a coded lock.

Background

When the mechanical coded lock is used, unlocking and locking are realized only by rotating the coded wheel, so that the mechanical coded lock is convenient to use; mechanical coded lock generally comprises password device, casing and latch hook, and in order to improve the flexibility of latch hook, the market has appeared and has locked the rope and replaced the latch hook, and the lock rope includes a stiff end of fixing at the casing and a activity end of pegging graft in the casing, controls the relation of connection of movable end and casing through password device to reach the purpose of locking and unblanking.

Disclosure of Invention

In order to solve the above problems, an object of the present invention is to provide a combination lock which is convenient and quick to lock and unlock and has high safety.

In order to achieve the purpose, the invention provides a coded lock, which comprises a shell and a first flexible rope, wherein a coded assembly is arranged in the shell, and the shell comprises an input end and an output end; the shell is provided with a cavity which extends from the input end to the output end and can be penetrated by the first flexible rope; the coded lock also comprises a pressing control assembly arranged in the shell, and the pressing control assembly comprises a pressing ring, a clamping torsion spring and a clamping piece; the pressing ring is movably arranged on the shell; the clamping piece is provided with a one-way clamping tooth extending into the cavity along the side wall of the cavity, the one-way clamping tooth inclines towards the input end and forms a clamping mechanism used for clamping the first flexible rope when the first flexible rope is pulled in the opposite direction with the other side wall of the cavity; the clamping piece also comprises a circular ring and pushing teeth for fixing; the pushing tooth is provided with an inclined plane which is abutted against the pressing ring, and when the pressing ring presses the inclined plane, the pushing tooth drives the clamping piece to rotate so that the one-way clamping tooth is far away from the cavity; the clamping torsion spring is used for resetting the clamping piece; the password component comprises a lock core shaft, a password wheel and a dragging wheel piece; the shell is provided with an opening for exposing the password wheel; the lock core shaft is sleeved inside the dragging wheel piece, and the password wheel is sleeved outside the dragging wheel piece; one end of the lock core shaft is provided with a reset piece, and the reset piece is provided with a first reset key clamped with the pressing ring.

The first flexible rope penetrates through the input end and the output end, and the one-way latch abuts against the first flexible rope at the moment; when the first flexible rope is pulled reversely, the one-way latch and the side wall of the cavity form a clamping mechanism to clamp the first flexible rope and prevent the first flexible rope from moving from the output end to the input end; when the password is correct, the pressing ring is pressed, the lock core shaft is pushed to move, the first reset key contracts, the pushing teeth are pressed by the pressing ring, the inclined surfaces of the pushing teeth are pushed to enable the clamping piece to rotate, the one-way clamping teeth are far away from the first flexible rope, and therefore the first flexible rope can be pulled reversely; the pressing ring is loosened, the pushing teeth are not stressed by the pressure of the pressing ring any more, and the torsion spring is clamped to reset the clamping piece at the moment; when the password is wrong, the lock core shaft cannot move, and the pressing ring cannot be pressed down.

According to another specific embodiment of the present invention, the combination lock further comprises a torsion control assembly disposed inside the housing, the torsion control assembly comprising a second flexible rope, a movable fixing block, and a torsion control block; the shell is provided with a fixed cavity for fixing the second flexible rope and a movable groove for moving the movable fixed block; the movable groove is arranged at the bottom of the fixed cavity; the end part of the second flexible rope is provided with a terminal; the movable fixed block moves along the radial direction of the second flexible rope, so that the movable fixed block is clamped with or separated from the terminal; the torsion control block is used for pushing the movable fixed block to move; the terminal of the second flexible rope is arranged in the fixed cavity, the torsion control block pushes the movable fixed block to move, and the movable fixed block moves along the radial direction of the second flexible rope and is clamped with the terminal to realize locking; the movable fixing block is moved, and the movable fixing block is separated from the terminal, so that unlocking is realized.

According to another specific embodiment of the present invention, the torsion control assembly further comprises an elastic resetting member, the elastic resetting member is fixedly disposed on a side of the movable slot away from the fixed cavity, and the elastic resetting member is used for popping the terminal out of the fixed cavity; the elastic force reset piece comprises a spring and a spring fixing cylinder for fixing the spring.

According to another specific embodiment of the present invention, the torsion control assembly further comprises a return torsion spring, the return torsion spring is connected with the movable fixing block; the terminal is provided with a groove for clamping, and the movable fixing block is provided with a through hole for the terminal 511 to pass through and a clamping hole clamped with the groove; the through hole is communicated with the side wall of the clamping hole; the torsion control block can pull the movable fixing block to enable the terminal to be separated from the clamping hole and move to the through hole; the return torsion spring is used for resetting the movable fixed block.

According to another embodiment of the present invention, the torsion control block is a flange, the torsion control block being rotatably coupled to the housing; the movable fixed block is provided with a pushing block corresponding to the flange.

According to another embodiment of the invention, the torsion control assembly further comprises a control spring for pressing the ring.

According to another embodiment of the present invention, the combination lock further comprises a control button; the surface of the shell is provided with a mounting groove, and the bottom of the mounting groove is provided with a mounting hole; the control button is arranged on the mounting groove, and the pressing ring is arranged in the mounting hole in a penetrating manner; the control button comprises a connecting shaft extending into the mounting hole; the connecting shaft comprises a shaft shoulder abutted to the pressing ring and a connecting block connected with the torsion control block; the control spring is sleeved on the connecting shaft and used for controlling the reset of the button; the control button is twisted, and the connecting shaft drives the torsion control block to twist; the control button is pressed, and the pressing ring is pressed downwards.

According to another specific embodiment of the present invention, the reset member is further provided with a second reset key clamped with the torsion control block; when the password is wrong, the lock core shaft is locked and cannot move, so that the torsion control block cannot move.

According to another specific embodiment of the invention, the password assembly further comprises a lock cylinder spring, the lock cylinder spring is sleeved outside the lock cylinder shaft and is arranged between the reset piece and the tug piece, and the lock cylinder spring can reset the pressing ring and the torsion control block.

According to another specific embodiment of the invention, a first groove corresponding to the first reset key is arranged on the pressing ring, and a cambered surface convenient for sliding is arranged on one side of the first groove close to the first reset key; the torsion control block is provided with a second groove corresponding to the second reset key, and the second groove is provided with a cambered surface convenient to slide; the cambered surface is convenient for resetting the pressing ring and the torsion control block.

The one-way latch is adopted, and the one-way latch and the other side wall of the cavity form a clamping mechanism, so that the first flexible rope can only be pulled in one direction and is convenient to lock; the unidirectional latch can be moved away from the cavity by pressing the press ring, so that the first flexible rope freely moves in two directions, and the unlocking is convenient; the clamping piece also comprises a circular ring and pushing teeth for fixing; the pushing tooth is provided with an inclined plane which is abutted against the pressing ring, when the pressing ring presses the inclined plane, the pushing tooth drives the clamping piece to rotate so that the one-way clamping tooth is far away from the cavity, and unlocking is realized through a smart and simple structure, so that time and labor are saved; the one end of lock dabber is equipped with the piece that resets, resets and is equipped with the first reset key with the clamping ring joint, and when the password was wrong, the lock dabber was unable to be removed, prevented the clamping ring and pushed down to prevent the reverse pulling of first flexible rope, improve the security performance.

The present invention will be described in further detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of the overall construction of a combination lock;

FIG. 2 is a schematic view of the internal structure of the combination lock;

FIG. 3 is an enlarged view of the movable fixing block of the combination lock;

fig. 4 is another internal structural schematic diagram of the combination lock.

Detailed Description

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The embodiment provides a coded lock, as shown in fig. 1-4, which includes a housing 1, a control button 2, a coded component 3 disposed inside the housing 1, a pressing control component 4, and a twisting control component 5, where the housing 1 includes an input end and an output end; the pressing control assembly 4 includes a first flexible cord 41, a pressing ring 42, a jamming torsion spring 43, and a jamming piece 44; the torsion control assembly 5 comprises a second flexible rope 51, a movable fixed block 52, a torsion control block 53, an elastic reset piece 54, a return torsion spring 55 and a control spring 56, wherein the control spring 56 is used for resetting the pressing ring 42; two cavities 11 which extend from the input end to the output end and can be penetrated by the first flexible rope 41 are arranged on two sides of the shell 1; the number of the first flexible ropes 41 is two, two ends of the two first flexible ropes 41 enter from the input end and penetrate out from the output end, and the two first flexible ropes are respectively arranged in the two cavities 11 in a penetrating manner; the middle part of the shell 1 is provided with a mounting groove, and the bottom of the mounting groove is provided with a mounting hole; the control button 2 is arranged on the mounting groove, the pressing ring 42 penetrates through the mounting hole, the outer diameter of the pressing ring 42 is equal to the inner diameter of the mounting hole, the pressing ring 42 can move along the axial direction of the mounting hole, and a groove for fixing the control spring 56 is formed in one side, far away from the mounting hole, of the pressing ring 42; the control button 2 comprises a connecting shaft extending into the mounting hole; the connecting shaft comprises a shaft shoulder abutted to the pressing ring 42 and a connecting block connected with the torsion control block 53; the torsion control block 53 is connected with the connecting block through a key; when the control button 2 is pressed, a shaft shoulder on the connecting shaft drives the pressing ring 42 to press downwards; the control spring 56 is sleeved on the connecting shaft, the control button 2 is loosened, and the elasticity of the control spring 56 enables the control button 2 to reset; the control button 2 is twisted, and the connecting shaft drives the torsion control block 53 to twist; the torsion control block 53 is a flange, and the torsion control block 53 is rotatably connected with the shell 1; the movable fixed block 52 is provided with a pushing block 521 corresponding to the flange.

The number of the clamping pieces 44 is two, and the two clamping pieces 44 are respectively arranged on two sides of the shell 1; the clamping piece 44 is provided with a one-way latch 441 extending into the cavity 11 along the side wall of the cavity 11, the one-way latch 441 is inclined towards the input end and forms a clamping mechanism with the other side wall of the cavity 11 for clamping the first flexible rope 41 when the first flexible rope 41 is pulled in the opposite direction; the retainer 44 further includes a ring 442 for fixing and a pushing tooth 443; the pushing teeth 443 are provided with an inclined surface abutted against the pressing ring 42, and when the pressing ring 42 presses the inclined surface, the pushing teeth 443 drive the clamping piece 44 to rotate so that the one-way clamping teeth 441 are far away from the cavity 11; the chucking torsion spring 43 is used to reset the chucking member 44; the shell 1 is provided with a fixed cavity 12 for fixing the second flexible rope 51 and a movable groove 13 for moving the movable fixed block 52; the fixed cavity 12 is parallel to the cavity 11 and is arranged between the two cavities 11, and the movable groove 13 is arranged at the bottom of the fixed cavity 12; the end part of the second flexible rope 51 is provided with a terminal 511, the terminal 511 is provided with a groove for clamping, and the movable fixed block 52 is provided with a through hole 522 for the terminal 511 to pass through and a clamping hole 523 clamped with the groove; the diameter of the through hole 522 is larger than the maximum diameter of the terminal 511, so that the terminal 511 can freely enter and exit, and the diameter of the clamping hole 523 is larger than the diameter of the groove part of the terminal 511 and smaller than the maximum diameter of the terminal 511; the through hole 522 is communicated with the side wall of the clamping hole 523; the torsion control block 53 can pull the movable fixing block 52 to make the terminal 511 leave the clamping hole 523 and move to the through hole 522; the movable fixing block 52 moves in the left and right direction of the housing 1 to be engaged with or separated from the terminal 511; the torsion control block 53 is used for pushing the movable fixed block 52 to move; the terminal 511 of the second flexible rope 51 is arranged in the fixed cavity 12, the torsion control block 53 pushes the movable fixed block 52 to move, and the movable fixed block 52 moves along the radial direction of the second flexible rope 51 and is tightly clamped with the terminal 511 to realize locking; the movable fixed block 52 is moved, and the movable fixed block 52 is separated from the terminal 511, so that unlocking is realized; the elastic reset piece 54 is fixedly arranged on one side of the movable groove 13 far away from the fixed cavity 12, and the elastic reset piece 54 is used for popping the terminal 511 out of the fixed cavity 12; the elastic force restoring member 54 includes a spring and a spring fixing cylinder for fixing the spring; the return torsion spring 55 is connected with the movable fixed block 52 and the shell 1; the return torsion spring 55 is used for returning the movable fixed block 52.

The code assembly 3 comprises a lock core shaft 31, a code wheel 32, a dragging wheel piece 33 and a lock core spring 34; the shell 1 is provided with an opening for exposing the password wheel 32; the lock core shaft 31 is sleeved inside the dragging wheel piece 33, and the password wheel 32 is sleeved outside the dragging wheel piece 33; one end of the lock core shaft 31 is provided with a reset piece 35, and the reset piece 35 is provided with a first reset key 351 clamped with the pressing ring 42 and a second reset key 352 clamped with the torsion control block 53; in the event of a password error, the lock cylinder 31 is locked against movement, so that the torsion control block 53 cannot move; the lock cylinder spring 34 is sleeved outside the lock cylinder shaft 31 and is arranged between the reset piece 35 and the tug piece 33, and the lock cylinder spring 34 can reset the pressing ring 42 and the torsion control block 53; a first groove corresponding to the first reset key 351 is formed in the pressing ring 42, and a cambered surface convenient for sliding is formed in one side, close to the first reset key 351, of the first groove; the torsion control block 53 is provided with a second groove corresponding to the second reset key 352, and the second groove is provided with a cambered surface convenient for sliding; the cambered surface facilitates the resetting of the pressing ring 42 and the torsion control block 53; the bottom of the shell is provided with a reset hole, the lock core shaft 31 can be pushed through the reset hole, at the moment, the lock core shaft 31 compresses the lock core spring 34, the lock core shaft 34 is separated from the dragging wheel piece 33, and the password resetting can be realized.

One end of each of the two first flexible ropes 41 is fixed on an external fixture, the other end of each of the two first flexible ropes 41 penetrates through the input end and the output end, and the one-way latch 441 abuts against the first flexible ropes 41; when the first flexible rope 41 is pulled reversely, the one-way latch 441 and the side wall of the cavity 11 form a clamping mechanism to clamp the first flexible rope 41 and prevent the first flexible rope 41 from moving from the output end to the input end; when the password is correct, the pressing ring 42 is pressed, the lock core shaft 31 is pushed to move, the first reset key 351 contracts, the pushing tooth 443 is pressed by the pressing ring 42, the inclined surface of the pushing tooth 443 enables the clamping piece 44 to rotate, and the one-way clamping tooth 441 is far away from the first flexible rope 41, so that the first flexible rope 41 can be pulled reversely; the pressing ring 42 is loosened, the pushing tooth 443 is no longer pressed by the pressing ring 42, and the chucking torsion spring 43 resets the chucking member 44 at this time; when the password is correct, the pressing ring 42 is pressed, the pushing teeth 443 push the one-way latch 441 to move away, and at the moment, the two first flexible ropes can be freely pulled towards the two ends; if the password is wrong, the lock cylinder 31 cannot move and the pressing ring 42 cannot be pressed down.

The one-way latch 441 is adopted, and the one-way latch 441 and the other side wall of the cavity 11 form a clamping mechanism, so that the first flexible rope 41 can only be pulled in one direction and is convenient to lock; the pressing ring 42 is pressed down to move the unidirectional latch 441 away from the cavity 11, so that the first flexible rope 41 freely moves in two directions, and the lock is convenient to unlock; the retainer 44 further includes a ring 442 for fixing and a pushing tooth 443; the pushing teeth 443 are provided with an inclined surface abutted against the pressing ring 42, when the pressing ring 42 presses the inclined surface, the pushing teeth 443 drive the clamping piece 44 to rotate so that the one-way clamping teeth 441 are far away from the cavity 11, unlocking is achieved through a smart and simple structure, and time and labor are saved; the one end of lock dabber 31 is equipped with the piece 35 that resets, resets and is equipped with the first key 351 that resets with pressing ring 42 joint on the piece 35, and when the password was wrong, lock dabber 31 was unable to be removed, prevented pressing ring 42 and pushed down to prevent the reverse pulling of first flexible rope 41, improve the security performance.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.

Claims

1. A coded lock comprises a shell and a first flexible rope, wherein a coded assembly is arranged in the shell, and the coded lock is characterized in that the shell comprises an input end and an output end; the shell is provided with a cavity which extends from the input end to the output end and can be penetrated by the first flexible rope; the coded lock also comprises a pressing control assembly arranged in the shell, and the pressing control assembly comprises a pressing ring, a clamping torsion spring and a clamping piece; the pressing ring is movably arranged on the shell; the clamping piece is provided with a one-way clamping tooth which extends into the cavity along the side wall of the cavity, the one-way clamping tooth is inclined towards the input end and forms a clamping mechanism with the other side wall of the cavity for clamping the first flexible rope when the first flexible rope is pulled in the reverse direction; the clamping piece further comprises a circular ring and pushing teeth for fixing; the pushing tooth is provided with an inclined plane abutted against the pressing ring, and when the pressing ring presses the inclined plane tightly, the pushing tooth drives the clamping piece to rotate so that the one-way clamping tooth is far away from the cavity; the clamping torsion spring is used for resetting the clamping piece; the password assembly comprises a lock core shaft, a password wheel and a dragging wheel piece; the shell is provided with an opening for exposing the password wheel; the lock core shaft is sleeved inside the dragging wheel piece, and the password wheel is sleeved outside the dragging wheel piece; one end of the lock core shaft is provided with a reset piece, and the reset piece is provided with a first reset key connected with the pressing ring in a clamped mode.

2. The combination lock of claim 1, further comprising a torsion control assembly disposed within the interior of the housing, the torsion control assembly comprising a second flexible cord, a movable securing block, and a torsion control block; the shell is provided with a fixed cavity for fixing the second flexible rope and a movable groove for moving the movable fixed block; the movable groove is arranged at the bottom of the fixed cavity; the end part of the second flexible rope is provided with a terminal; the movable fixed block moves along the radial direction of the second flexible rope, so that the movable fixed block is clamped with or separated from the terminal; the torsion control block is used for pushing the movable fixed block to move.

3. The combination lock of claim 2, wherein the torsion control assembly further comprises an elastic return member, the elastic return member is fixedly disposed on a side of the movable slot away from the fixed cavity, and the elastic return member is used for ejecting the terminal out of the fixed cavity; the elastic force reset piece comprises a spring and a spring fixing cylinder for fixing the spring.

4. The combination lock of claim 2, wherein the torsion control assembly further comprises a return torsion spring coupled to the movable mounting block; the terminal is provided with a groove for clamping, and the movable fixing block is provided with a through hole for the terminal to pass through and a clamping hole clamped with the groove; the through hole is communicated with the side wall of the clamping hole; the torsion control block can pull the movable fixing block to enable the terminal to be separated from the clamping hole and move to the through hole; the return torsion spring is used for resetting the movable fixing block.

5. The combination lock of claim 2, wherein the torsion control member is a flange, the torsion control member being rotatably coupled to the housing; and the movable fixed block is provided with a pushing block corresponding to the flange.

6. The combination lock of claim 2, wherein the torsion control assembly further comprises a control spring for resetting the compression ring.

7. The combination lock of claim 6, wherein the combination lock further comprises a control button; the surface of the shell is provided with a mounting groove, and the bottom of the mounting groove is provided with a mounting hole; the control button is arranged on the mounting groove, and the pressing ring is arranged in the mounting hole in a penetrating mode; the control button comprises a connecting shaft extending into the mounting hole; the connecting shaft comprises a shaft shoulder abutted to the pressing ring and a connecting block connected with the torsion control block; the control spring is sleeved on the connecting shaft.

8. The combination lock of claim 2, wherein the reset member further comprises a second reset key engageable with the twist control block.

9. The combination lock of claim 8, wherein the combination assembly further comprises a plug spring that is sleeved outside the plug shaft and is disposed between the reset member and the trailing wheel member.

10. The combination lock of claim 8, wherein the pressing ring is provided with a first groove corresponding to the first reset key, and the first groove is provided with a cambered surface for facilitating sliding on one side close to the first reset key; the torsion control block is provided with a second groove corresponding to the second reset key, and the second groove is provided with a cambered surface convenient to slide.