CN209837926U

CN209837926U - Puzzle lock

Info

Publication number: CN209837926U
Application number: CN201822127400.5U
Authority: CN
Inventors: 赖秀兴; 郭镜辉
Original assignee: Dongguan Yifeng Lock Co Ltd
Current assignee: Yifeng Manufacturing Co Ltd; Dongguan Yifeng Lock Co Ltd
Priority date: 2018-12-17
Filing date: 2018-12-17
Publication date: 2019-12-24
Anticipated expiration: 2028-12-17

Abstract

The utility model relates to a tool to lock technical field, concretely relates to password padlock, which comprises a housin, connect the bottom of casing, be equipped with accommodation space in the casing, switch lock subassembly has been placed in the accommodation space, password lock subassembly, pellet shot from a slingshot lock subassembly, connecting rod and separation and reunion piece, the separation and reunion piece is located between password lock subassembly and the pellet shot from a slingshot lock subassembly, password lock subassembly includes the movable plate, pellet shot from a slingshot lock subassembly includes the lock core, the bottom of lock core is equipped with the lug, be equipped with the recess on the connecting rod, the protruding recess that goes into of lug, separation and reunion piece is articulated with the casing, the separation and reunion piece includes first shifting block and second shifting block, first shifting block is used.

Description

Puzzle lock

Technical Field

The utility model relates to a tool to lock technical field, concretely relates to password padlock.

Background

In the prior art, a push system in a padlock is positioned at a corresponding side of a pin tumbler lock assembly, and the padlock is unlocked in two ways, one way is that when the padlock assembly is unlocked, a key is inserted into the pin tumbler lock assembly and then rotates, and then the push system is manually pushed to move towards an unlocking direction to realize unlocking, the other way is that the padlock assembly is unlocked through a password wheel assembly, after a password in the password wheel assembly is correct, a movable sheet in the password wheel assembly moves towards one side, the movable sheet moves to push a clutch block to rotate, the clutch block releases the limit on the push system, and then the push system is manually pushed to move towards the unlocking direction to further realize unlocking, however, as the requirement on the attractiveness of a luggage case by people is higher and higher, a padlock structure positioned on the luggage case is required to be more miniaturized, and in the existing structure, the push system, the pin tumbler lock assembly, the password lock assembly and the like are arranged, is not beneficial to the miniaturization development of the lock catch.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a password padlock that volume reduces to not enough among the prior art.

The purpose of the utility model is realized through the following technical scheme:

the cipher padlock includes one casing, one bottom cover connected to the casing, one holding space inside the casing, one switch lock assembly, one cipher lock assembly, one pin lock assembly, one connecting rod and one clutch block between the cipher lock assembly and the pin lock assembly, and the cipher lock assembly includes one movable sheet, one lock core, one lug in the bottom of the lock core, one notch in the connecting rod and with one clutch block hinged to the casing, one clutch block comprising one first shifting block and one second shifting block extending in different directions, one first shifting block for contacting the end of the movable sheet, one second shifting block for stopping the movement of the pin lock assembly, and one movable sheet capable of moving towards one side of the first shifting block to push the first shifting block to move and to rotate around its central axis, the second shifting block rotates towards the direction far away from the pin tumbler lock assembly, and after the second shifting block relieves the limitation on the pin tumbler lock assembly, the pin tumbler lock assembly is pushed to move towards the unlocking direction, so that the connecting rod connected with the lock cylinder moves, and the connecting rod moves to push the switch lock assembly to realize unlocking.

The clutch block comprises a cylinder and a torsion spring, a hollow cavity is arranged in the cylinder, a convex column is arranged in the shell and protrudes into the cavity, and the torsion spring is sleeved on the periphery of the convex column and is positioned between the inner wall of the cavity and the outer wall of the convex column.

The clutch block further comprises a third shifting block, the third shifting block abuts against a stop block of the shell, and the clutch block is prevented from driving the clutch block to rotate under the action of the elastic force of the torsion spring.

Wherein, the switch lock subassembly is located between the inner wall of connecting rod and casing, and switch lock subassembly includes latch hook and locking piece, and the locking piece includes fixed orifices, elastic component and breach, and the one end of elastic component is located the fixed orifices, and the other end supports the inner wall of casing, and the locking piece is located the side of latch hook, and when the connecting rod removed towards the unblock direction, the connecting rod promoted the locking piece and removed towards the inner wall direction of casing for the spacing portion of latch hook enters into the breach of locking piece in, realizes unblanking of latch hook.

The connecting rod is provided with a first blocking part, the first blocking part extends towards the inner wall direction of the shell, and the first blocking part can push the locking block to move.

The first stopping part is provided with an inclined surface, the lock block is provided with a joint part matched with the first stopping part, one side of the joint part is an inclined surface, and when the connecting rod moves towards the unlocking direction, the inclined surface of the first stopping part is abutted to the inclined surface of the lock block.

The connecting rod is further provided with a second blocking part, the shell is extended with a baffle plate, and the baffle plate is used for abutting against the second blocking part to prevent the connecting rod from excessively moving.

The password lock assembly further comprises a password wheel and a code adjusting wheel, the password wheel is connected with the code adjusting wheel in a clamping mode and can drive the code adjusting wheel to rotate, the code adjusting wheel is provided with a clamping groove, the movable piece is provided with a clamping protrusion connected with the clamping groove in a clamping mode, the digital password is correct, the clamping groove of the code adjusting wheel is connected with the clamping protrusion of the movable piece in a clamping mode, and the movable piece moves rightwards under the action of the movable piece spring.

The utility model has the advantages that: the utility model discloses a password padlock, there is the separation and reunion piece, its first shifting block, the second shifting block cooperates with password wheel subassembly, pellet lock subassembly respectively, when adopting the password to realize unblanking, behind the password of password wheel subassembly is correct, the separation and reunion piece rotates and makes it not restrict pellet lock subassembly's removal, promote pellet lock subassembly to move towards the unblock direction this moment, thereby realize the unblock of padlock, adopt the key unblock, after inserting the key, rotate pellet lock subassembly, pellet lock subassembly rotates and drives the connecting rod and move, realize the unblock of padlock, pellet lock subassembly rotates and drives the connecting rod and move and can realize the unblock, compare the structure among the prior art, insert the key behind the pellet lock subassembly and rotate, and then promote the braking by hand, make the braking promote the connecting rod to move towards the unblock direction, in this embodiment, pellet lock subassembly can realize the function that the key unb, the push function can be realized, the existing pin tumbler lock assembly and the push function are combined together to form the pin tumbler lock assembly in the embodiment, the material can be saved, the redundant space is not occupied, the volume of the structure is reduced, and the operation is convenient.

Drawings

The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.

Fig. 1 is a schematic structural view of the combination padlock of the present invention.

Fig. 2 is a schematic structural view of the lock catch of the present invention after the bottom cover is removed.

Fig. 3 is a schematic view of the disassembled structure of the combination padlock of the present invention.

Fig. 1 to 3 include:

the lock comprises a housing 1, a lock hole 10, a receiving space 11, a pin lock assembly 12, a lock cylinder sleeve 120, a lock cylinder 121, a protrusion 122, a combination lock assembly 13, a combination wheel 130, a code wheel 131, a movable piece 132, a clamping groove 133, a clamping protrusion 134, a connecting rod 14, a contact section 140, a stopping section 141, a clamping section 142, a first stopping portion 143, a second stopping portion 144, a groove 145, a clutch piece 15, a torsion spring 150, a cylinder 151, a first shifting block 152, a second shifting block 153, a third shifting block 154, a cavity 155, a lock hook 16, a hook portion 160, a connecting portion 162, a rotating shaft 163, a lock block 17, a joint 170, an inclined surface 171, a fixing hole 173, a fixing block 174, an elastic piece 175, a baffle 18 and a convex column 19.

Detailed Description

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

The utility model discloses a concrete implementation mode of trick padlock, as shown in fig. 1-fig. 3, including casing 1 and bottom (not shown), the bottom passes through the bolt fastening in the bottom of casing 1, casing 1 surface is equipped with lockhole 10, be equipped with accommodation space 11 in the casing 1, casing 1 installs the switch lock subassembly, pellet shot from a slingshot lock subassembly 12, pellet shot from a slingshot lock subassembly 13, connecting rod 14 and separation and reunion piece 15, the switch lock subassembly, pellet shot from a slingshot lock subassembly 12, pellet shot from a slingshot lock subassembly 13, connecting rod 14 and separation and reunion piece 15 all are located accommodation space 11, pellet shot from a slingshot lock subassembly 12 or pellet shot from a slingshot lock subassembly 13 can control connecting rod 14 and remove, connecting rod 14.

The switch lock assembly comprises a lock hook 16 and a lock block 17, the lock hook 16 comprises a hook portion 160, a limiting portion, a connecting portion 162 and a rotating shaft 163, the connecting portion 162 is located between the hook portion 160 and the limiting portion, the rotating shaft 163 is arranged on the side face of the connecting portion 162, the lock hook 16 can rotate around the rotating shaft 163 of the lock hook 16, the lock block 17 is located on the side edge of the limiting portion, and the lock block 17 can be abutted against the limiting portion and can be limited to rotate.

One side of the locking piece 17 extends outwards to form a joint part 170, one side of the joint part 170 is an inclined surface 171, the locking piece 17 is provided with a notch for accommodating the limiting part, the other side of the locking piece 17 is vertical to the inner wall of the shell 1, and is provided with a fixing hole 173, a fixing block 174 is protruded outwards from the fixing hole 173, one end of an elastic member 175 is sleeved on the periphery of the fixing block 174, the other end abuts against the inner wall of the housing 1, when the connecting rod 14 moves to the unlocking position, the connecting rod 14 can abut against the locking block 17, and push the elastic member 175 on the locking block 17 to elastically deform, the locking block 17 moves towards the inner wall of the shell 1, the locking block 17 moves to enable the position of the notch on the locking block 17 to correspond to the position of the limiting part of the locking hook 16, the limiting part of the locking hook 16 enters the notch, so that the locking hook 16 can rotate around its own rotating shaft 163, and the hook portion 160 of the locking hook 16 leaves the locking hole 10, thereby unlocking the locking hook 16; when the connecting rod 14 leaves the unlocking position, the elastic part 175 resets and pushes the locking block 17 to move, the locking block 17 resets, the notch of the locking block 17 is staggered with the limiting part, and the limiting part is limited by the locking block 17.

The cylinder lock assembly 12 comprises a cylinder sleeve 120 and a lock cylinder 121 connected with the cylinder sleeve 120, the cylinder sleeve 120 can move relative to the surface of the shell 1, the lock cylinder 121 is connected with the lower end of the cylinder sleeve 120, a lug 122 is arranged at the bottom of the lock cylinder 121, a groove 145 is arranged on the connecting rod 14, the lug 122 protrudes into the groove 145, when a key is inserted into the lock cylinder 121, the lock cylinder 121 is rotated, so that the lug 122 rotates and abuts against the groove 145, the connecting rod 14 is driven to move towards one side, and the rotating force of the lock cylinder 121 is converted into the linear moving force of the connecting rod 14.

The locking block 17 is located between the connecting rod 14 and the inner wall of the housing 1, the connecting rod 14 includes a contact section 140, a blocking section 141 and an engaging section 142 which are connected in sequence, two first blocking parts 143 are protruded from the side edge of the contact section 140 in the direction toward the inner wall of the housing 1, the front side of the first blocking part 143 is an inclined surface 171, the number of the locking blocks 17 is two, the two first blocking parts 143 correspond to the two locking blocks 17 one by one, when the connecting rod 14 moves in the unlocking direction, the inclined surface 171 of the first blocking part 143 first abuts against the inclined surface 171 of the locking block 17 close to the inclined surface 143, the two inclined surfaces 171 abut against each other, and when the locking block 17 resets, the inclined surface 171 of the first blocking part 143 resets to the original position along the inclined surface 171 of the locking block 17, thereby guiding the movement of the connecting rod 14. The side edge of the stopping section 141 extends towards the inner wall of the housing 1 to form a second stopping part 144, the housing 1 extends to form a baffle plate 18, the baffle plate 18 is fixed on the side edge of the second stopping part 144, and when the connecting rod 14 moves to the limit position, the baffle plate 18 abuts against the second stopping part 144, so that the connecting rod 14 can be prevented from excessively moving, and a protection effect is achieved. The engaging section 142 extends from the stopping section 141 toward the latch assembly 12, and the groove 145 formed in the engaging section 142 engages with the protrusion 122 formed in the key cylinder 121.

The combination lock assembly 13 comprises a combination wheel 130, a code adjusting wheel 131 and a movable piece 132, the combination wheel 130 is connected with the code adjusting wheel 131 in a clamping mode and can drive the code adjusting wheel 131 to rotate, a clamping groove 133 is formed in the code adjusting wheel 131, a clamping protrusion 134 connected with the clamping groove 133 in a clamping mode is arranged on the movable piece 132, the digital combination is correct, the clamping groove 133 of the code adjusting wheel 131 is connected with the clamping protrusion 134 of the movable piece 132 in a clamping mode, and the movable piece 132 moves rightwards under the action of a spring of the movable piece 132.

The clutch block 15 is positioned between the cylinder lock component 12 and the coded lock component 13, the clutch block 15 comprises a torsion spring 150, a cylinder 151, a first shifting block 152, a second shifting block 153 and a third shifting block 154 which are connected with the side wall of the cylinder 151, a hollow cavity 155 is arranged in the cylinder 151, a convex column 19 is arranged in the shell 1, the convex column 19 protrudes into the cavity 155, the torsion spring 150 is sleeved on the periphery of the convex column 19, the torsion spring 150 is located between the inner wall of the cavity 155 and the outer wall of the convex column 19, the first shifting block 152, the second shifting block 153 and the third shifting block 154 respectively extend towards three different directions, the first shifting block 152 can block the movement of the movable plate 132, and abuts against the end of the movable piece 132, the second dial block 153 can block the movement of the cylinder lock assembly 12 to prevent the cylinder lock assembly 12 from being pushed, therefore, the lock is unlocked by mistake, the third shifting block 154 is abutted against the stop block of the shell 1, and the clutch block 15 can be prevented from driving the clutch block 15 to rotate clockwise under the action of the elastic force of the torsion spring 150. The lock is provided with a clutch block 15, a first shifting block 152, a second shifting block 153 and a third shifting block 154 of the clutch block 15 are respectively matched with the password wheel 130 assembly, the pin tumbler lock assembly 12 and the shell 1 and rotate under the drive of a torsion spring 150, when unlocking is realized by adopting a password, after the password of the password wheel 130 assembly is correct, the clutch block 15 rotates to enable the clutch block 15 not to limit the movement of the pin tumbler lock assembly 12, the pin tumbler lock assembly 12 is pushed to move towards the unlocking direction at the moment, so that unlocking of a lock is realized, unlocking of the lock is realized by adopting key unlocking, after a key is inserted, the pin tumbler lock assembly 12 is rotated, the connecting rod 14 is driven to move by the rotation of the pin tumbler lock assembly 12, so that unlocking can be realized by driving the connecting rod 14 to move, compared with the structure in the prior art, after the key is inserted into the pin tumbler lock assembly 12 and rotated, pushing is pushed by hand, in this embodiment, the tumbler lock assembly 12 can realize both the key unlocking function and the push pushing function, and the existing tumbler lock assembly 12 and the push are combined together, so that the tumbler lock assembly 12 in this embodiment can save materials, does not occupy redundant space, has a reduced structural volume, and is convenient to operate. In addition, in the embodiment, when the pin tumbler lock assembly 12 is used for unlocking, only a key needs to be inserted, the connecting rod 14 is driven by the lock cylinder 121 to move after the lock cylinder 121 is rotated, and unlocking is achieved without pushing and moving in the prior art.

The password wheel 130 is shifted, when the password is correct, the engaging slot 133 of the password wheel 131 is engaged with the engaging protrusion 134 of the movable plate 132, so that the movable plate 132 moves rightwards under the action of the spring of the movable plate 132, the end of the movable plate 132 abuts against the first shifting block 152 of the clutch block 15, so that the clutch block 15 rotates anticlockwise around the central axis thereof under the driving of the torsion spring 150, so that the second shifting block 153 rotates towards the direction far away from the pin tumbler lock assembly 12, the clutch block 15 relieves the restriction on the pin tumbler lock assembly 12, at this time, the lock cylinder sleeve 120 can be pushed, so that the lock cylinder 121 rotates, the lock cylinder 121 rotates to drive the connecting rod 14 thereon to move towards the unlocking direction, the connecting rod 14 moves, the first stopping part 143 on the connecting rod 14 applies pressure to the lock block 17, so that the lock block 17 moves towards the inner wall direction of the housing 1, so that the gap of the lock block 17 corresponds to the position of the limiting part of the lock hook 16, and, so that the locking hook 16 can rotate around its own rotation shaft 163, and the hook portion 160 of the locking hook 16 leaves the locking hole 10, thereby unlocking the locking hook 16.

When a key is inserted into the lock cylinder 121, the lock cylinder 121 is rotated, the lock cylinder 121 rotates to drive the connecting rod 14 located thereon to move in the unlocking direction, the connecting rod 14 moves, the first stopping portion 143 on the connecting rod 14 applies pressure to the locking block 17, so that the locking block 17 moves in the direction of the inner wall of the housing 1, the notch of the locking block 17 corresponds to the position of the limiting portion of the locking hook 16, the limiting portion of the locking hook 16 enters the notch, the locking hook 16 can rotate around the rotating shaft 163 of the locking hook 16, the hook portion 160 of the locking hook 16 leaves the locking hole 10, and the locking of the locking hook 16 is achieved.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a password padlock, includes the casing, connects the bottom of casing, is equipped with accommodation space, its characterized in that in the casing: the switch lock assembly, the coded lock assembly, the pin tumbler lock assembly, the connecting rod and the clutch block are placed in the containing space, the clutch block is positioned between the coded lock assembly and the pin tumbler lock assembly, the coded lock assembly comprises a movable plate, the pin tumbler lock assembly comprises a lock cylinder, a convex block is arranged at the bottom of the lock cylinder, a groove is formed in the connecting rod, the convex block protrudes into the groove, the clutch block is hinged with the shell, the clutch block comprises a first shifting block and a second shifting block, the first shifting block and the second shifting block extend towards different directions respectively, the first shifting block is used for being abutted against the end part of the movable plate, the second shifting block is used for stopping the pin tumbler lock assembly from moving, when the code of the coded lock assembly is correct, the movable plate can move towards one side of the first shifting block, the movable plate moves to push the first shifting block to move, the clutch block rotates by taking the central axis, after the second shifting block removes the limitation on the pin tumbler lock assembly, the pin tumbler lock assembly is pushed to move towards the unlocking direction, so that the connecting rod connected with the lock cylinder moves, and the connecting rod moves to push the switch lock assembly to unlock.

2. A combination padlock as claimed in claim 1, wherein: the clutch block comprises a cylinder and a torsion spring, a hollow cavity is arranged in the cylinder, a convex column is arranged in the shell and extends into the cavity, and the torsion spring is sleeved on the periphery of the convex column and is positioned between the inner wall of the cavity and the outer wall of the convex column.

3. A combination padlock as claimed in claim 2, wherein: the clutch block further comprises a third shifting block, the third shifting block abuts against a stop dog of the shell, and the clutch block is prevented from driving the clutch block to rotate under the action of the elastic force of the torsion spring.

4. A combination padlock as claimed in claim 1, wherein: the switch lock subassembly is located between the inner wall of connecting rod and casing, and switch lock subassembly includes latch hook and locking piece, and the locking piece includes fixed orifices, elastic component and breach, and the one end of elastic component is located the fixed orifices, and the other end supports the inner wall of casing, and the locking piece is located the side of latch hook, and when the connecting rod removed towards the unblock direction, the connecting rod promoted the locking piece and removed towards the inner wall direction of casing for spacing portion of latch hook enters into the breach of locking piece in, realizes unblanking of latch hook.

5. A combination lock according to claim 4, wherein: the connecting rod is provided with a first blocking part, the first blocking part extends towards the inner wall direction of the shell, and the first blocking part can push the locking block to move.

6. A combination lock as defined in claim 5, wherein: the first stopping part is provided with an inclined surface, the lock block is provided with a joint part matched with the first stopping part, one side of the joint part is an inclined surface, and when the connecting rod moves towards the unlocking direction, the inclined surface of the first stopping part is abutted against the inclined surface of the lock block.

7. A combination padlock as claimed in claim 1, wherein: still be equipped with the second on the connecting rod and block the portion, it has the baffle to extend on the casing, and the baffle is used for holding against the second and stops the portion, prevents that the connecting rod from excessively moving.

8. A combination lock according to any one of claims 1 to 7, wherein: the coded lock assembly further comprises a coded wheel and a code adjusting wheel, the coded wheel is connected with the code adjusting wheel in a clamping mode and can drive the code adjusting wheel to rotate, the code adjusting wheel is provided with a clamping groove, the movable piece is provided with a clamping protrusion connected with the clamping groove in a clamping mode, the digital code is correct, and the clamping groove of the code adjusting wheel can be connected with the clamping protrusion of the movable piece in a clamping mode.