CN210178117U

CN210178117U - Puzzle lock

Info

Publication number: CN210178117U
Application number: CN201920627222.4U
Authority: CN
Inventors: Jiehua Jiang; 江杰华
Original assignee: Dongguan Chiling Lock Co Ltd
Current assignee: Dongguan Chiling Lock Co Ltd
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2020-03-24
Anticipated expiration: 2029-05-05

Abstract

The utility model relates to a coded lock. It includes: the bottom of the shell is provided with a lock hook fixing plate, one side of the lock hook fixing plate is connected with a lock hook, one side of the shell is connected with a pushing system in a sliding mode, a lock hole matched with the lock hook is formed in the pushing system, and the lock hook extends into the shell and is clamped with the lock hole; still be equipped with the cipher mechanism in the casing, cipher mechanism includes the switch block with casing articulated, and the switch block is close to one side of pushing away the system and is equipped with and is used for blockking the barrier arm that pushes away the system and inwards move, and the switch block is connected with and is used for driving the barrier arm to pushing away the elastic component that blocks that the system removal orbit removed, and cipher mechanism still includes the trick lock device who is located the casing opposite side, and trick lock device includes a movable block that receives password control, one side that the switch block is close to the trick lock device is equipped with password unlocking arm, and the movable block is equipped with and is used for pressing the arm that. The utility model discloses a rotatory unblanking and locking that comes control trick lock of switch block, simple structure, the processing cost is lower.

Description

Puzzle lock

Technical Field

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

Background

Trick lock wide application is on case and bag, the knapsack, and the trick lock is generally through the inside switch piece activity of cipher mechanism control, realizes unblanking and locks, and the switch piece in the present trick lock generally adopts horizontal migration to realize the restriction and the release to the latch hook, is as applying for the number: CN201220222388.6, the name is a trick lock of fixed trick lock, in order to guarantee that the switch block can not deviate from the direction at the removal in-process, generally will set up guide way or direction subassembly etc. in the casing of trick lock, simultaneously when the design, need design and reserve the removal space, and the trick lock volume of using on case and bag, knapsack at present is all less, and structural design is more to processing cost has been increased.

Disclosure of Invention

An object of the utility model is to prior art not enough, provide a trick lock, the switch block in this trick lock need not to realize unblanking, locking through horizontal migration, simplifies the design, reduces the processing cost.

A combination lock, comprising: the bottom of the shell is provided with a lock hook fixing plate, one side of the lock hook fixing plate is connected with a lock hook, one side of the shell is connected with a pushing system in a sliding mode, the pushing system can move relative to the shell, a lock hole matched with the lock hook is formed in the pushing system, and the lock hook extends into the shell and is clamped with the lock hole; still be equipped with the cipher mechanism in the casing, cipher mechanism includes the switch block with casing articulated, and the switch block is close to the one side that pushes away the system and is equipped with and is used for blockking the barrier arm that pushes away the system and inwards move, and the switch block is connected with and is used for driving the barrier arm to pushing away the elastic component that blocks that the system removal orbit removed, and cipher mechanism still includes the trick lock device who is located the casing opposite side, and the trick lock device includes a movable block that receives password control, one side that the switch block is close to the trick lock device is equipped with password unlocking arm, and the movable block is equipped with and is used for pressing the arm.

Furthermore, the coded lock device comprises a coded wheel, one end of the coded wheel is connected with a rotary disc, the shell is provided with a through hole used for exposing the rotary disc, a notch is formed in the side face of the coded wheel, the moving block is connected with a controlled arm matched with the coded wheel, the controlled arm is provided with an inserting block matched with the notch, two sides of the inserting block are inclined planes, and the moving block is further connected with an unlocking elastic piece used for pushing the inserting block to the coded wheel.

Furthermore, the coded lock device also comprises a backing plate and a code adjusting block, the backing plate is fixedly connected with the shell, the backing plate is provided with a moving groove matched with the code adjusting block, and the coded wheel is positioned between the code adjusting block and the turntable; one end of the code wheel, which is close to the code adjusting block, is arranged in a round table shape, the code adjusting block is provided with a bearing surface which is abutted against the end surface of the code wheel, and one side of the bearing surface is provided with a round table hole; the middle part of the code wheel is provided with a shaft hole, the shaft hole is connected with a code adjusting spring, one end of the code adjusting spring extends out of the shaft hole, one end of the code wheel, which is close to the turntable, is provided with a plurality of clamping holes, clamping protrusions are formed in the middles of the adjacent clamping holes, and the end surfaces of the clamping protrusions are arc-shaped or inclined surfaces; the end surface of the turntable, which is close to the password wheel, is provided with a concave hole, the side surface of the concave hole extends inwards to form a convex block matched with the clamping hole, and the convex block is provided with an abutting inclined plane matched with the clamping protrusion; transfer the sign indicating number piece be equipped with transfer sign indicating number spring matched with logical groove, transfer the sign indicating number spring and pass logical groove and backing plate butt, the backing plate is equipped with and is used for stirring the accent sign indicating number hole that transfers the sign indicating number piece to remove.

Preferably, the code adjusting block extends outwards to form an operation block, and the operation block extends out of the code adjusting hole.

The spring lock comprises a lock cylinder, the lock cylinder and the coded lock device are respectively positioned on two sides of a switch block, an upward pushing arm is connected to the side surface of the lock cylinder, a spring unlocking arm is arranged on one side, close to the lock cylinder, of the switch block, and an upward pushing abutting surface used for assisting in pushing the spring unlocking arm upwards is arranged on the spring unlocking arm or/and the upward pushing arm.

Further, the trick lock still includes connecting piece and joint fixed block, the one end both sides that the latch hook was kept away from to the latch hook fixed plate are equipped with the supporting shoe respectively, the connecting piece includes the connection piece articulated with the supporting shoe, and the one end that the supporting shoe was kept away from to the connection piece is articulated through round pin axle and casing, is equipped with in the casing to be used for pushing away the case elastic component that leaves the latch hook with the casing, the one end that the system was kept away from to the casing is equipped with the joint hole, the joint fixed block is equipped with the joint lug with joint hole matched with, and the joint lug.

Furthermore, an outward pushing elastic piece used for pushing the pushing mechanism outwards is arranged in the shell, and the shell is further provided with a limiting block used for limiting the pushing mechanism to be separated from the shell.

The utility model has the advantages that: the utility model discloses a rotatory unblanking and locking that comes control trick lock of switch block, simple structure, the processing cost is lower.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is another schematic structural diagram of the present embodiment.

FIG. 3 is a schematic view of a configuration with the housing removed.

Fig. 4 is a schematic view of an exploded structure of the present embodiment.

The reference numerals include:

1-a housing; 2-coded lock device; 3-lock core; 4, pushing; 5-latch hook fixing plate; 6, clamping the fixing block; 7-clamping hole; 8-clamping convex block; 9-a supporting block; 10-latch hook; 11-keyhole; 12-password unlocking arm; 13-pushing the elastic piece outwards; 14-push-up arm; 15-bearing plate; 16-spring unlocking arm; 17-barrier arm; 18-code adjusting spring; 19-cipher wheel; 20-snap projection; 21-clamping hole; 22-bump; 23-rotating disk; 24-a backing plate; 25-moving block; 26-controlled arm; 27-plug-in block; 28-pressing arm; 29-bearing surface; 30-modulation block; 31-operation block; 32-circular truncated cone hole; 33-unlocking elastic member; 34-switch block; 35-a notch; 36-moving slot; 37-code adjusting hole; 38-a recess; 39-through groove; 40-connecting sheet; 41-blocking elastic.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings. As shown in fig. 1-4.

Example (b): a combination lock, comprising: the locking device comprises a shell 1, wherein a locking hook fixing plate 5 is arranged at the bottom of the shell 1, a locking hook 10 is connected to one side of the locking hook fixing plate 5, a pushing system 4 is connected to one side of the shell 1 in a sliding mode, the pushing system 4 can move relative to the shell 1, a locking hole 11 matched with the locking hook 10 is formed in the pushing system 4, and the locking hook 10 extends into the shell 1 and is clamped with the locking hole 11; still be equipped with the cipher mechanism in the casing 1, the cipher mechanism includes and is equipped with casing 1 articulated switch block 34, and one side that switch block 34 is close to pushing system 4 is equipped with and is used for blockking pushing system 4 inward movement's blocking arm 17, and switch block 34 is connected with and is used for driving blocking arm 17 to pushing system 4 movement track removal block elastic component 41, and the cipher mechanism still includes the trick lock device 2 that is located casing 1 opposite side, and trick lock device 2 includes a movable block 25 that receives the password control, one side that switch block 34 is close to trick lock device 2 is equipped with password unlocking arm 12, and movable block 25 is equipped with the arm 28 that supports that is used for supporting to press password unlocking arm 12.

When the password is unlocked, the moving block 25 moves towards the switch block 34, the pressing arm 28 gradually presses the password unlocking arm 12 and enables the switch block 34 to rotate relative to the shell 1, after the blocking arm 17 rotates along with the switch block 34, the blocking arm 17 leaves the movement track of the push system 4, the push system 4 moves towards the inside of the shell 1 under the action of external force, and the lock hook 10 can be separated from the push system 4. When the password is locked, the pressing arm 28 is far away from the password unlocking arm 12, the blocking arm 17 on the switch block 34 is positioned on the moving track of the push system 4, and the push system 4 cannot move inwards and is in clamping connection with the lock hook 10. The blocking elastic member 41 may employ a torsion spring so that the switch block 34 is maintained in the latched state. According to the technical scheme, the pushing mechanism 4 is controlled to move by arranging the rotary switch block 34, so that the pushing mechanism 4 is controlled to be clamped with the locking hook 10, the whole structure is simple, and the processing cost is reduced.

Further, the coded lock device 2 comprises a coded wheel 19, one end of the coded wheel 19 is connected with a rotary disc 23, the shell 1 is provided with a through hole for exposing the rotary disc 23, a notch 35 is formed in the side face of the coded wheel 19, the moving block 25 is connected with a controlled arm 26 matched with the coded wheel 19, the controlled arm 26 is provided with an inserting block 27 matched with the notch 35, two sides of the inserting block 27 are inclined planes, and the moving block 25 is further connected with an unlocking elastic piece 33 used for pushing the inserting block 27 to the coded wheel 19.

In the technical scheme, the movement of the moving block 25 is controlled by arranging the turntable 23 type cipher structure, and of course, a wheel type cipher structure, such as the cipher structure used in the document with the application number of CN201520183566.2 and the name of a luggage cipher lock, can also be adopted. When the dial 23 type cipher structure is controlled, only when the ciphers of all the cipher wheels 19 are correct, that is, the notch 35 of each cipher wheel 19 is opposite to the insertion block 27, under the action of the unlocking elastic piece 33, the insertion block 27 is inserted into the notch 35, and the moving block 25 moves and presses the cipher unlocking arm 12 to realize unlocking. When a code of the code wheel 19 is wrong, the inserting block 27 abuts against the side surface of the code wheel 19, and the abutting arm 28 of the moving block 25 is far away from the code unlocking arm 12. In the specific implementation, the turntable 23 is engraved or printed with password numbers or patterns.

Furthermore, the coded lock device 2 further comprises a backing plate 24 and a code adjusting block 30, the backing plate 24 is fixedly connected with the shell 1, the backing plate 24 is provided with a moving groove 36 matched with the code adjusting block 30, and the coded wheel 19 is positioned between the code adjusting block 30 and the turntable 23; one end of the code wheel 19 close to the code adjusting block 30 is arranged in a truncated cone shape, the code adjusting block 30 is provided with a bearing surface 29 which is abutted against the end surface of the code wheel 19, and one side of the bearing surface 29 is provided with a truncated cone hole 32; the middle part of the code wheel 19 is provided with a shaft hole, the shaft hole is connected with a code adjusting spring 18, one end of the code adjusting spring 18 extends out of the shaft hole, one end of the code wheel 19, which is close to the turntable 23, is provided with a plurality of clamping holes 21, a clamping protrusion 20 is formed in the middle of the adjacent clamping holes 21, and the end surface of the clamping protrusion 20 is arc-shaped or inclined; the end surface of the turntable 23 close to the password wheel 19 is provided with a concave hole 38, the side surface of the concave hole 38 extends inwards to form a convex block 22 matched with the clamping hole 21, and the convex block 22 is provided with an abutting inclined surface matched with the clamping protrusion 20; the code adjusting block 30 is provided with a through groove 39 matched with the code adjusting spring 18, the code adjusting spring 18 passes through the through groove 39 to be abutted against the backing plate 24, and the backing plate 24 is provided with a code adjusting hole 37 used for shifting the code adjusting block 30 to move.

Under normal conditions, the turntable 23 is abutted against and clamped with the code wheel 19, the code wheel 19 is positioned on the bearing surface 29 of the code adjusting block 30 and is abutted against the code adjusting block 30, at the moment, the code wheel 19 is clamped by the turntable 23 and the code adjusting block 30, and when the turntable 23 rotates, the convex block 22 of the turntable 23 drives the clamping boss 20 to rotate, namely, the code adjusting wheel is driven to rotate; when the password needs to be adjusted, the code adjusting block 30 is pushed through the code adjusting hole 37, so that the password wheel 19 is located in the circular table hole 32, the password wheel 19 is basically separated from the code adjusting block 30 at the moment, the password wheel 19 is kept in butt joint with the rotary table 23 under the pushing force of the code adjusting spring 18, the rotary table 23 is rotated at the moment, the butt joint inclined plane of the convex block 22 of the rotary table 23 is abutted against the end face of the clamping protrusion 20, the password wheel 19 is gradually abutted against the base plate 24, the code adjusting spring 18 deforms until the convex block 22 enters the next clamping hole 21, and therefore the password is adjusted. After the adjustment, the code adjusting block 30 is moved back to the original position, and the code wheel 19 is still abutted against the bearing surface 29.

Preferably, the adjusting block 30 extends outward to form an operating block 31, and the operating block 31 extends out of the adjusting hole 37.

By providing the operation block 31, the adjustment block 30 can be operated easily.

Further, the spring lock comprises a spring lock, wherein the spring lock comprises a lock cylinder 3, the lock cylinder 3 and the coded lock device 2 are respectively positioned on two sides of a switch block 34, a push-up arm 14 is connected to the side surface of the lock cylinder 3, a spring unlocking arm 16 is arranged on one side, close to the lock cylinder 3, of the switch block 34, and a push-up abutting surface used for assisting in pushing the spring unlocking arm 16 upwards is arranged on the spring unlocking arm 16 or/and the push-up arm 14.

When the pin tumbler lock is unlocked, the push-up arm 14 gradually contacts with the pin tumbler unlocking arm 16, and the pin tumbler unlocking arm 16 is pushed upwards by the aid of the push-up abutting surface, so that the switch block 34 is rotated, and unlocking is realized.

In specific implementation, the switch block 34 is provided with a rotating shaft, the rotating shaft is hinged with the housing 1, and the rotating shaft is connected with a torsion spring for resetting. The bottom of the lock core 3 is provided with a bearing plate 15, and the bearing plate 15 is connected with the shell 1.

Further, the trick lock still includes connecting piece and joint fixed block 6, the one end both sides that latch hook 10 was kept away from to latch hook fixed plate 5 are equipped with supporting shoe 9 respectively, the connecting piece includes with supporting shoe 9 articulated connection piece 40, and the one end that supporting shoe 9 was kept away from to connection piece 40 is articulated through round pin axle and casing 1, is equipped with in the casing 1 to be used for pushing away casing 1 from the elastic component of unpacking (not drawn in the figure) of latch hook 10, the one end that pushing away 4 was kept away from to casing 1 is equipped with joint hole 7, joint fixed block 6 is equipped with and connects hole 7 matched with joint lug 228, and joint lug 228 inserts joint hole 7 when the trick lock was locked.

When the box unlocking device is used specifically, the lock hook fixing plate 5 and the clamping fixing block 6 are fixed on two sides of the opening and closing of the box body respectively, after the box is unlocked through a password, the connecting piece 40 is hinged to the supporting block 9 and the shell 1 on the lock hook 10 respectively, the lock hook 10 and the pushing block 4 on the lock hook fixing plate 5 are separated under the left and right sides of the box opening elastic piece, one end, close to the pushing block 4, of the shell 1 is pushed outwards, the connecting piece 40 rotates, the shell 1 is tilted, then the shell 1 is moved towards one side of the clamping convex block 228, the clamping hole 7 of the shell 1 is separated from the clamping convex block 228, and therefore the. The box opening elastic piece can be a torsion spring sleeved on the pin, and can also be a pressure spring and the like.

Further, an outward-pushing elastic piece 13 for pushing the pushing mechanism 4 outwards is arranged in the shell 1, and a limiting block for limiting the pushing mechanism 4 to be separated is further arranged on the shell 1.

The push-out elastic piece 13 is arranged, so that the push system 4 is kept in a state of being clamped with the lock hook 10, and even if the password is unlocked, the push system 4 still needs to be operated to separate the push system 4 from the lock hook 10, and the box is opened. Secondly, the push system 4 is prevented from moving freely. When the pushing mechanism 4 is specifically designed, a movable groove can be formed in the pushing mechanism 4, and the limiting block is inserted into the movable groove, so that the movable range of the pushing mechanism 4 is limited. Various elastic members in the present application can be springs, steel wires or elastic pieces, etc.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A combination lock, comprising: the bottom of the shell is provided with a lock hook fixing plate, one side of the lock hook fixing plate is connected with a lock hook, one side of the shell is connected with a pushing system in a sliding mode, the pushing system can move relative to the shell, a lock hole matched with the lock hook is formed in the pushing system, and the lock hook extends into the shell and is clamped with the lock hole; a password mechanism is also arranged in the shell, which is characterized in that; the cipher mechanism comprises a switch block hinged with the shell, a blocking arm used for blocking inward movement of the pushing mechanism is arranged on one side, close to the pushing mechanism, of the switch block, the switch block is connected with an elastic piece used for driving the blocking arm to move along the pushing movement track, the cipher mechanism further comprises a cipher lock device located on the other side of the shell, the cipher lock device comprises a moving block controlled by a cipher, a cipher unlocking arm is arranged on one side, close to the cipher lock device, of the switch block, and the moving block is provided with a pressing arm used for pressing the cipher unlocking arm.

2. A combination lock according to claim 1, wherein; the coded lock device comprises a coded wheel, one end of the coded wheel is connected with a rotary disc, the shell is provided with a through hole used for exposing the rotary disc, a notch is formed in the side face of the coded wheel, the moving block is connected with a controlled arm matched with the coded wheel, the controlled arm is provided with an inserting block matched with the notch, two sides of the inserting block are inclined planes, and the moving block is further connected with an unlocking elastic piece used for pushing the inserting block to the coded wheel.

3. A combination lock according to claim 2, wherein; the coded lock device also comprises a backing plate and a code adjusting block, wherein the backing plate is fixedly connected with the shell, the backing plate is provided with a moving groove matched with the code adjusting block, and the coded wheel is positioned between the code adjusting block and the rotary table; one end of the code wheel, which is close to the code adjusting block, is arranged in a round table shape, the code adjusting block is provided with a bearing surface which is abutted against the end surface of the code wheel, and one side of the bearing surface is provided with a round table hole; the middle part of the code wheel is provided with a shaft hole, the shaft hole is connected with a code adjusting spring, one end of the code adjusting spring extends out of the shaft hole, one end of the code wheel, which is close to the turntable, is provided with a plurality of clamping holes, clamping protrusions are formed in the middles of the adjacent clamping holes, and the end surfaces of the clamping protrusions are arc-shaped or inclined surfaces; the end surface of the turntable, which is close to the password wheel, is provided with a concave hole, the side surface of the concave hole extends inwards to form a convex block matched with the clamping hole, and the convex block is provided with an abutting inclined plane matched with the clamping protrusion; transfer the sign indicating number piece be equipped with transfer sign indicating number spring matched with logical groove, transfer the sign indicating number spring and pass logical groove and backing plate butt, the backing plate is equipped with and is used for stirring the accent sign indicating number hole that transfers the sign indicating number piece to remove.

4. A combination lock according to claim 3, wherein; the code adjusting block extends outwards to form an operation block, and the operation block extends out of the code adjusting hole.

5. A combination lock according to claim 1, wherein; the spring lock comprises a lock cylinder, the lock cylinder and the coded lock device are respectively positioned on two sides of a switch block, the side surface of the lock cylinder is connected with an upward pushing arm, one side of the switch block, which is close to the lock cylinder, is provided with a spring unlocking arm, and the spring unlocking arm or/and the upward pushing arm are/is provided with an upward pushing abutting surface for assisting in pushing the spring unlocking arm upwards.

6. A combination lock according to claim 1, wherein; the coded lock still includes connecting piece and joint fixed block, the one end both sides that the latch hook was kept away from to the latch hook fixed plate are equipped with the supporting shoe respectively, the connecting piece includes the connection piece articulated with the supporting shoe, and the one end that the supporting shoe was kept away from to the connection piece is articulated through round pin axle and casing, is equipped with in the casing to be used for pushing away the casing from the case of opening elastic component of latch hook, the casing is kept away from the one end of pushing away the system and is equipped with the joint hole, the joint fixed block be equipped with joint hole matched with joint lug.

7. A combination lock according to claim 1, wherein; the shell is internally provided with an outward pushing elastic piece used for pushing the pushing mechanism outwards, and the shell is also provided with a limiting block used for limiting the pushing mechanism to be separated from the shell.