CN212642354U - Zipper coded lock - Google Patents

Abstract

The utility model relates to the technical field of zipper locks, in particular to a zipper coded lock, which comprises a rotatable lock hook and a lock block which is used for abutting against the lock hook to realize locking, and the zipper coded lock also comprises a movable block which controls the motion of the lock block, a button which is used for pushing the movable block to move, a coded wheel component which is used for locking the movable block to move along a first direction and a lock core component which is used for locking the movable block to move along a second direction, wherein the first direction is the reverse direction of the second direction; compared with the prior art, what password wheel subassembly locking was the movable block, when password wheel unblock, the unblock was moved towards password wheel subassembly direction to the movable block of button drive, and when the lock core subassembly was unblanked, the movable block was unblanked towards the opposite direction of password wheel subassembly, and this kind of structure is when the button received the striking, and the scope of movable block vibrations is minimum, and the lock body is difficult to be collided and is opened, and the structure is more compact, and the theftproof effect is better, has solved the problem that the striking button was unblanked easily in the past.

Description

Zipper coded lock

Technical Field

The utility model relates to a zip fastener lock technical field, concretely relates to zip fastener trick lock.

Background

The structure of the existing zipper coded lock comprises a bottom shell and a face cover, wherein the face cover is provided with a lock hole for inserting a zipper sheet, the bottom shell is provided with a lock hook which is paired and positioned below the lock hole, the lock hook is hinged in the bottom shell through an articulated piece, the bottom shell is further provided with a button, a movable block, a lock core assembly and a coded wheel assembly, one end of the movable block is connected with the lock hook, the other end of the movable block is connected with the button, and the lock core assembly and the coded wheel assembly play a role of a locking button.

When the existing coded lock is unlocked, when the coded wheel assembly is unlocked and the code is correct, the coded wheel assembly releases the locking of the button, and the button pushes the movable block and the movable block opens the lock hook by pressing the button; when the lock core assembly is unlocked, the lock core is combined on the button, and the lock core is rotated to push the movable block, so that the movable block opens the lock hook. Therefore, can know, traditional zip fastener trick lock, what its password wheel subassembly locking was the button, it all is that drive movable block moves towards same direction when button and lock core were unblanked, at the in-process of design, need consider the fit clearance between button and the password wheel subassembly, fit clearance between lock core subassembly and the movable block and the fit clearance between lock core subassembly and the button, so the home range who gives the movable block is great relatively, when the button receives the striking, the scope of movable block vibration is great, the lock body is knocked out very easily, overall structure is compact inadequately, the theftproof performance is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a zip fastener trick lock that compact structure, crashworthiness are strong to not enough among the prior art.

The purpose of the utility model is realized through the following technical scheme: the application provides a zipper coded lock, which comprises a rotatable lock hook, a lock block, a movable block, a button, a coded wheel assembly and a lock core assembly, wherein the lock block is used for abutting against the lock hook to realize locking; when the lock is locked, the coded wheel assembly and the lock cylinder assembly respectively limit the movable block to move in a first direction and a second direction so that the movable block limits the movement of the lock block, the lock block abuts against the lock hook to limit the rotation of the lock hook, and the locking is completed; when the password wheel assembly is unlocked, the password wheel assembly relieves the limitation of the movement of the movable block in the first direction, the movable block is pushed to move along the first direction by pressing the button, the movable block drives the locking block to move, and the locking block moves and relieves the abutting on the locking hook; when the lock core assembly is unlocked, the lock core assembly releases the limitation of the movable block to move in the second direction, the lock core is rotated to drive the movable block to move along the second direction, the movable block drives the lock block to move, and the lock block moves and releases the abutting against the lock hook.

Wherein, password wheel subassembly and lock core subassembly are located the left and right sides of latch hook respectively, and first direction is the left, and the second direction is right-hand.

The lock shell can move towards a first direction and a second direction along the length direction of the lock shell.

The password wheel assembly comprises a wheel shaft capable of moving back and forth, and when the password wheel assembly is locked, the end part of the wheel shaft is propped against the left end part of the movable block to limit the movement of the movable block.

Wherein, in the button installation lock shell, the button can be at the vertical direction of lock shell reciprocating motion, and the bottom of button is equipped with first wedge face, and the right-hand member portion of movable block is equipped with the second wedge face complementary with first wedge face.

When the lock core assembly is unlocked, the button is positioned above the movable block.

The lock core assembly comprises a lock core body, the bottom of the lock core body protrudes downwards to form a shifting part, the top surface of the movable block is provided with a special-shaped groove for the shifting part to insert, and the special-shaped groove comprises a password unlocking section and a lock core unlocking section; when the code wheel assembly or the lock cylinder assembly is locked, the shifting part is propped against one end of the special-shaped groove so as to limit the movable block to move towards the second direction; when the password wheel assembly is unlocked, the shifting part can slide along the password unlocking section, so that the movable block can move towards the first direction; when the lock core assembly is unlocked, the stirring part slides into the lock core unlocking section and pushes the movable block to move towards the second direction.

Wherein, the one end of locking piece is formed on the lock shell, and the other end of locking piece is equipped with the card protruding, but the locking piece itself is the shell fragment structure of elasticity shape, and the latch hook is equipped with hook portion and draw-in groove, and hook portion and zip fastener cooperation, draw-in groove and the protruding cooperation of card of locking piece.

Wherein, the movable block is provided with a groove with two inclined planes, the inclination directions of the two inclined planes are opposite, and the locking block is provided with a cylindrical lug which is inserted into the groove.

Wherein, the latch hook is equipped with the torsional spring, and the torsional spring is used for driving about the latch hook and moves towards the unblock state.

The utility model has the advantages that: the utility model discloses a zip fastener trick lock compares with prior art, what password wheel subassembly locking was the movable block, during password wheel unblock, the unblock is removed towards password wheel subassembly direction to the button drive movable block, when the lock core subassembly was unblanked, the movable block was unblanked towards the opposite direction of password wheel subassembly, this kind of structure is when the button received the striking, the scope of movable block vibrations is minimum, the lock body is difficult to be knocked out, the structure is compacter, the theftproof effect is better, the problem of the striking button was easily unblanked in the past has been solved.

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 diagram of the zipper combination lock in the embodiment.

Fig. 2 is a cross-sectional view taken at a-a in fig. 1.

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

Fig. 4 is a schematic structural view of the plug assembly and the movable block of the present embodiment.

Fig. 5 is a schematic structural diagram of the substrate of the present embodiment.

Description of the drawings: bottom shell 11, face-piece 12, base plate 13, latch hook 2, pivot 21, draw-in groove 22, password wheel subassembly 3, shaft 31, lock core subassembly 4, stirring portion 41, button 5, first wedge-shaped surface 51, second wedge-shaped surface 52, movable block 6, locking piece 7, card arch 71, lug 72, torsional spring 8, dysmorphism groove 9, password unlocking section 91, lock core unlocking section 92, recess 100, inclined plane 101.

Detailed Description

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

The utility model discloses a specific implementation mode of zip fastener trick lock, as shown in fig. 1 to 3, its structure includes lock shell, password wheel subassembly 3, lock core subassembly 4, latch hook 2 and lock core subassembly 4, and wherein, the lock shell includes drain pan 11 and the face-piece 12 of lid on drain pan 11. Face-piece 12 encloses with drain pan 11 and becomes to hold the cavity, and password wheel lock subassembly, lock core subassembly 4, movable block 6 and latch hook 2 all set up in this holding the cavity, should hold still to be equipped with base plate 13 in the cavity, and base plate 13 is located between the bottom plate of movable block 6 and drain pan 11. As shown in fig. 2 and 3, a locking piece 7 and a torsion spring 8 are further arranged in the accommodating cavity, the locking piece 7 is of a spring plate structure, the locking piece 7 and the substrate 13 are integrally formed, and the torsion spring 8 is fixed on the face shell 12. In this embodiment, the body of the torsion spring 8 is fixed to the face shell 12, the free end of the torsion spring 8 abuts against the latch hook 2, and after unlocking, the torsion spring 8 automatically pops up the latch hook 2, so that the latch hook 2 is automatically separated from the zipper, and unlocking is facilitated.

As shown in fig. 2 and 3, the latch hook 2 is provided with a rotating shaft 21, the latch hook 2 is rotatably connected with the face shell 12 through the rotating shaft 21, the latch hook 2 is further provided with two hook portions and two clamping grooves 22, the hook portions are matched with the zipper pieces, the clamping grooves 22 are matched with the clamping protrusions 71 of the locking pieces 7, and the latch hook 2 is further provided with two bouncing surfaces.

Before locking, the clamping groove 22 of the locking hook 2 is completely separated from the clamping protrusion 71 of the locking block 7, the locking hook 2 is in the unlocking position, the button 5 does not need to be pushed to enable the locking hook 2 to be in the unlocking position, in the locking process, the zipper sheet is buckled on the hook part of the locking hook 2, as shown in fig. 2 (the locked state of the slide fastener combination lock is shown in fig. 2), pressing the left locking hook 2 downward causes the left locking hook 2 to rotate clockwise downward, pressing the right locking hook 2 downward causes the right locking hook 2 to rotate counterclockwise downward, the lower side of the engaging groove 22 passes over the engaging projection 71, and make locking piece 7 elastic deformation downwards, treat that the hand loosens the zip fastener piece, locking piece 7 kick-backs to make the draw-in groove 22 of left latch hook 2 and the protruding 71 joint of card of left side locking piece 7, the draw-in groove 22 of right latch hook 2 and the protruding 71 joint of card of right side locking piece 7 realize locking of zip fastener trick lock, at this moment, torsional spring 8 is in the distortion state under latch hook 2 rotates the oppression.

With reference to fig. 2 and 3, as an improvement, the password wheel assembly 3 and the lock cylinder assembly 4 are respectively located at the left and right sides of the lock hook 2, the unlocking direction of the password wheel assembly 3 is that the movable block 6 moves towards the first direction, the unlocking direction of the lock cylinder assembly 4 is that the movable block 6 moves towards the second direction, the first direction is the reverse direction of the second direction, in this embodiment, the first direction is the left direction, and the second direction is the right direction. Referring to fig. 2, the cipher wheel assembly 3 includes a wheel shaft 31 capable of stretching and moving left and right, and it should be noted that the cipher wheel assembly 3 is a conventional cipher wheel assembly 3, the wheel shaft 31 can stretch and move left in an unlocked state of the cipher wheel assembly 3, and the wheel shaft 31 is not stretchable and retractable at a maximum stroke in a locked state of the cipher wheel assembly 3. When the lock is locked, the end part of the wheel shaft 31 props against the left end part of the movable block 6, so that the movable block 6 is limited to move towards the left, and the movable block 6 is limited to drive the locking block 7 to deform so as to unlock the lock hook 2. The button 5 is installed in the lock shell, the button 5 can reciprocate in the vertical direction of the lock shell, specifically, a reset spring is arranged between the button 5 and the bottom shell 11 to drive the button 5 to move upwards, a first wedge-shaped surface 51 is arranged at the bottom end of the button 5, a second wedge-shaped surface 52 which is complementary with the first wedge-shaped surface 51 is arranged at the right end part of the movable block 6, under the unlocking state of the password wheel assembly 3, the wheel shaft 31 relieves the movement restriction on the movable block 6, the first wedge-shaped surface 51 of the button 5 is matched with the second wedge-shaped surface 52 of the movable block 6 by pressing the button 5 to convert the downward movement of the button 5 into the movement of the movable block 6 towards the left, the button 5 thereby pushes the movable block 6, the movable block 6 drives the lock block 7 to deform, so that the clamping protrusion 71 of the lock block 7 moves downwards and is separated from the clamping groove 22 of the lock hook 2, and the left lock hook 2 can rotate, the latch hook 2 on the right side can rotate clockwise upwards, so that the zipper can be separated from the hook part of the latch hook 2, the torsional elasticity of the torsion spring 8 bounces the latch hook 2 to enable the latch hook 2 to rotate upwards, the zipper is automatically popped, and the latch release of the latch hook 2 is achieved.

The lock core subassembly 4 sets up on the right-hand side of latch hook 2, and the unblock direction of lock core subassembly 4 is the movable block 6 towards the right side motion, consequently, leaves the certain distance between the right-hand member portion of movable block 6 and the drain pan 11. With reference to fig. 4, the plug assembly 4 includes a plug body, the bottom of the plug body protrudes downward to form the toggle portion 41, the top surface of the movable block 6 is provided with a special-shaped groove 9 for inserting the toggle portion 41, and the special-shaped groove 9 includes a password unlocking section 91 and a plug unlocking section 92 which are communicated with each other. When the code wheel assembly 3 or the lock core assembly 4 is locked, the shifting part 41 is abutted against the left end part of the special-shaped groove 9 to limit the movable block 6 to move towards the right. In order to avoid the lock core assembly 4 from blocking the password wheel assembly 3 to unlock the lock hook 2, the special-shaped groove 9 is provided with a password unlocking section 91, the password unlocking section 91 is a strip-shaped groove formed along the length direction of the bottom shell 11, and when the password wheel assembly 3 is unlocked, the stirring part 41 can slide along the password unlocking section 91 so that the movable block 6 can move towards the left; in order to unlock the lock cylinder assembly 4, the lock cylinder body can drive the movable block 6 to move towards the right and unlock the lock hook 2, the special-shaped groove 9 is provided with a lock cylinder unlocking section 92 communicated with the password unlocking section 91, the lock cylinder unlocking section 92 is a chute, the chute inclines towards the right, the circular motion of the stirring part 41 is mainly converted into the movement of the movable block 6 towards the right, when the lock cylinder assembly 4 is unlocked, the stirring part 41 slides into the lock cylinder unlocking section 92 and pushes the movable block 6 towards the right, the movable block 6 moves to drive the lock block 7 to deform, so that the clamping protrusion 71 of the lock block 7 moves downwards and is separated from the clamping groove 22 of the lock hook 2, so that the lock hook 2 on the left side can rotate upwards anticlockwise, the lock hook 2 on the right side can rotate upwards clockwise, so that the zipper can be separated from the hook part of the lock hook 2, at the moment, the torsional spring 8 springs the lock hook 2 to rotate upwards, so that the zipper is automatically poppe, realize the unblock of latch hook 2, realize the unblock of latch hook 2.

In this embodiment, in order to avoid the button 5 interfering with the lock cylinder assembly 4 to unlock, when the lock cylinder assembly 4 unlocks, the return spring drives the button 5 to be located above the movable block 6, and the button 5 is prevented from blocking the movable block 6 to move towards the right.

The zip fastener trick lock of this embodiment, compared with the prior art, what password wheel subassembly 3 locked is movable block 6, during password wheel unblock, 5 drive movable blocks 6 of button are towards password wheel subassembly 3 direction removal unblocks, when lock core subassembly 4 unblanked, movable block 6 unblanked towards the opposite direction of password wheel subassembly 3, this kind of structure is when button 5 receives the striking, the scope of 6 vibrations of movable block is minimum, the lock body is difficult to be knocked out, the structure is compacter, the theftproof effect is better, the problem of 5 easy unblanks of striking button in the past has been solved.

Further, as shown in fig. 2 to fig. 4, the movable block 6 is provided with a groove 100 having two inclined surfaces 101, and referring to fig. 5, the cylindrical protrusion 72 inserted into the groove 100 is provided at the outer side of the end of the locking block 7 provided with the locking protrusion 71, and the two inclined surfaces 101 are inclined in opposite directions, mainly for cooperating with the unlocking of the code wheel assembly 3 by moving towards the left and the unlocking of the lock core assembly 4 by moving towards the right.

In the unlocking process of the zipper coded lock, the digital code is correct or a key is adopted, the limit of leftward movement or the limit of rightward movement of the movable block 6 is correspondingly released by the coded wheel lock component or the lock cylinder component 4, when the coded wheel component 3 is unlocked, the button 5 pushes the movable block 6 to translate leftward, in the process of leftward translation of the movable block 6, the shifting part 41 of the lock cylinder body slides in the code unlocking section 91 of the special-shaped groove 9, the inclined plane 101 on the right side in the groove 100 presses the convex block 72 of the lock block 7, the convex block 72 moves downwards along the inclined plane 101 on the right side of the groove 100, and then the lock block 7 generates downward elastic deformation, so that the clamping protrusion 71 of the lock block 7 is separated from the clamping groove 22 of the lock hook 2, and the unlocking of the zipper coded lock is realized. When the lock core assembly 4 unlocks, the lock core body rotates, the stirring part 41 of the lock core body enters the lock core unlocking section 92 of the special-shaped groove 9, the stirring part 41 pushes the movable block 6 to translate rightwards to enable the left inclined plane 101 in the groove 100 to press the convex block 72 of the lock block 7, the convex block 72 moves downwards along the left inclined plane 101 of the groove 100, the lock block 7 is made to generate downward elastic deformation, the clamping protrusion 71 of the lock block 7 is made to be separated from the clamping groove 22 of the lock hook 2, and the unlocking of the zipper coded lock is realized.

The locking piece 7 and the base plate 13 are integrally formed, so that the assembly process can be reduced, the structural strength of the locking piece 7 can be enhanced, the fixed end of the locking piece 7 is fixedly connected with the base plate 13, the free end of the locking piece 7 is tilted upwards, and the free end of the locking piece 7 has elasticity capable of moving downwards.

In this embodiment, the movable block 6 omits a component or a mechanism for driving the movable block 6 to return, on one hand, the return of the movable block 6 is driven by the spring of the code wheel assembly 3, and the locking rotation of the lock cylinder assembly 4 can also drive the movable block 6 to return by using the matching of the shifting part 41 and the special-shaped groove 9, so that the overall structure of the zipper code lock is simpler and more compact.

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 (10)

1. The utility model provides a zip fastener trick lock, includes rotatable latch hook, is used for propping up the locking piece in order to realize locking with the latch hook, its characterized in that: the zipper coded lock further comprises a movable block for controlling the movement of the lock block, a button for pushing the movable block to move, a coded wheel assembly for locking the movable block to move along a first direction and a lock core assembly for locking the movable block to move along a second direction, wherein the first direction is opposite to the second direction;

when the lock is locked, the coded wheel assembly and the lock cylinder assembly respectively limit the movable block to move in a first direction and a second direction, so that the movable block limits the movement of the lock block, the lock block abuts against the lock hook to limit the rotation of the lock hook, and the locking is completed;

when the password wheel assembly is unlocked, the password wheel assembly relieves the limitation of the movable block to move in the first direction, the movable block is pushed to move along the first direction by pressing the button, the movable block drives the locking block to move, and the locking block moves and relieves the abutting on the locking hook;

when the lock core assembly is unlocked, the lock core assembly releases the limit of the movable block moving in the second direction, the lock core is rotated to drive the movable block to move along the second direction, the movable block drives the lock block to move, and the lock block moves and releases the abutting of the lock hook.

2. The zipper combination lock of claim 1, wherein: password wheel subassembly and lock core subassembly are located respectively the left and right sides of latch hook, first direction is the left, the second direction is right-hand.

3. A zipper combination lock according to claim 1 or 2, wherein: the lock comprises a lock shell, wherein the movable block is arranged in the middle of the inside of the lock shell, and the movable block can move towards a first direction and a second direction along the length direction of the lock shell.

4. The zipper combination lock of claim 1, wherein: the password wheel assembly comprises a wheel shaft capable of moving back and forth, and when the password wheel assembly is locked, the end part of the wheel shaft is propped against the left end part of the movable block to limit the movement of the movable block.

5. The zipper combination lock of claim 3, wherein: the button installation in the lock shell, the button can be at the vertical direction of lock shell reciprocating motion, the bottom of button is equipped with first wedge face, the right-hand member portion of movable block be equipped with the complementary second wedge face of first wedge face.

6. The zipper combination lock of claim 1, wherein: when the lock core component is unlocked, the button is positioned above the movable block.

7. The zipper combination lock of claim 1, wherein: the lock core assembly comprises a lock core body, the bottom of the lock core body protrudes downwards to form a shifting part, the top surface of the movable block is provided with a special-shaped groove for the shifting part to insert, and the special-shaped groove comprises a password unlocking section and a lock core unlocking section;

when the code wheel assembly or the lock cylinder assembly is locked, the shifting part is propped against one end of the special-shaped groove so as to limit the movable block to move towards the second direction;

when the password wheel assembly is unlocked, the poking part can slide along the password unlocking section, so that the movable block can move towards the first direction;

when the lock core assembly is unlocked, the stirring part slides into the lock core unlocking section and pushes the movable block to move towards the second direction.

8. The zipper combination lock of claim 3, wherein: one end of the lock block is formed on the lock shell, a clamping protrusion is arranged at the other end of the lock block, the lock block is of an elastic sheet structure and is provided with a hook portion and a clamping groove, the hook portion is matched with the zipper, and the clamping groove is matched with the clamping protrusion of the lock block.

9. The zipper combination lock of claim 8, wherein: the movable block is provided with a groove with two inclined planes, the inclination directions of the two inclined planes are opposite, and a cylindrical projection inserted into the groove is arranged on the outer side of one end, provided with a clamping protrusion, of the locking block.

10. The zipper combination lock of claim 1, wherein: the latch hook is equipped with the torsional spring, the torsional spring is used for ordering about the latch hook moves towards the unblock state.

Images