CN216076724U - Coded lock for luggage - Google Patents

Abstract

The utility model relates to the technical field of locks, in particular to a luggage coded lock, which comprises a lock shell and a rotatable lock hook, wherein the lock shell is provided with a knob, a coded wheel assembly, a lock core and a movable piece; the knob is rotatably arranged in the lock shell, the lock cylinder is rotatably arranged in the knob, the password wheel assembly is arranged on one side of the knob, the moving part can slide relative to the lock shell, one end of the moving part is fixedly connected with the bottom of the knob, and the other end of the moving part is provided with a locking mechanism; the knob is also internally provided with a movable stop block which extends outwards along the radial direction of the knob, the movable stop block can slide along the radial direction of the knob, the knob is also internally provided with a clutch block used for limiting the sliding of the movable stop block, and the clutch block is fixedly connected with the lock cylinder. Overall structure is compact, and is rationally distributed, can carry out the unblock through two kinds of unblock modes of lock core and password wheel subassembly to, two kinds of unblock modes adopt same knob to carry out the unblock, have simplified the structure of trick lock, and it is more convenient, swift to operate and use, improves the convenience of trick lock.

Description

Coded lock for luggage

Technical Field

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

Background

The existing luggage comprises an upper cover and a lower cover, in order to realize the closing and theft prevention between the upper cover and the lower cover, a hinged lock catch is generally arranged on one cover body, and a lock body used for realizing locking by matching with the lock catch is arranged on the other cover body. For some cases with larger structures, two lock catches are generally arranged, so that the anti-theft performance can be enhanced. See patent document CN201720239672.7, which discloses a combination lock for luggage, the combination lock has two unlocking buttons, one of which is used in cooperation with a key for unlocking, and the other is used in cooperation with a combination wheel assembly for unlocking, the unlocking structure is undoubtedly complicated, and the arrangement of two unlocking buttons results in an increase in the volume of the whole lock body, which affects the appearance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects and provide a luggage coded lock with a simple structure.

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

the case and bag coded lock comprises a lock shell and a rotatable lock hook, wherein the lock shell is provided with a knob, a coded wheel assembly, a lock core and a movable piece; the knob is rotatably arranged in the lock shell, the lock cylinder is rotatably arranged in the knob, the password wheel assembly is arranged on one side of the knob, the moving part can slide relative to the lock shell, one end of the moving part is fixedly connected with the bottom of the knob, and the other end of the moving part is provided with a locking mechanism which is used for limiting the rotation of the lock hook; a movable stop block extending outwards along the radial direction of the knob is further arranged in the knob, the movable stop block can slide along the radial direction of the knob, a clutch block used for limiting the sliding of the movable stop block is further arranged in the knob, and the clutch block is fixedly connected with the lock cylinder; under the state of locking, password wheel subassembly supports the knob to restriction knob anticlockwise rotation, movable dog stretches out towards password wheel subassembly and supports password wheel subassembly, rotates clockwise with the restriction knob, and locking mechanism restriction latch hook rotates.

The password wheel assembly comprises a wheel shaft capable of moving in a telescopic mode, the wheel shaft extends out of the abutting part towards the knob, and the bottom of the knob is provided with a bayonet; under the last lock state, the bayonet socket is put into to the butt portion to restriction knob anticlockwise rotation, and the activity dog supports the butt portion, rotates clockwise with the restriction knob.

Wherein, the middle part of the movable stop block is provided with a limit groove; in the locked state, the clutch block is inserted into the limit groove and abuts against the groove wall of the limit groove to limit the movable stop block to slide along the radial direction of the button; when the key is unlocked, the lock core is rotated, the lock core drives the clutch block to rotate, and the clutch block relieves the sliding limitation on the movable stop block.

Wherein, the butt portion is formed with first guide inclined plane towards the side of movable dog, and the side of movable dog towards the butt portion is formed with second guide inclined plane.

The bottom of the knob extends downwards to form a toggle part, and the end part of the movable piece facing the knob is provided with a mounting groove; in the assembled state, the toggle part is inserted into the mounting groove.

The locking mechanism comprises a rotatable locking block, one end of the locking block, which faces the moving piece, extends downwards to form a rotating part, one end of the moving piece, which faces the locking block, is provided with a rotating groove, and the groove wall of the rotating groove is provided with a rotating inclined plane; in the assembled state, the rotating portion is inserted into the rotating groove.

The lock hook comprises a hook part for locking the lock catch and a limiting part arranged opposite to the hook part; under the last lock state, one of them tip butt of locking piece is in the below of spacing portion to the restriction latch hook rotates.

Wherein the latch hook is provided with a torsion spring which drives the latch hook to move towards the open state.

The lock shell is provided with a handle, the handle is of a U-shaped structure, and the handle is hinged to two sides of the lock body through hinge pieces.

Wherein, a damping mechanism is arranged between the handle and the lock shell.

The utility model has the beneficial effects that:

according to the case coded lock, in the locked state, the coded wheel assembly abuts against the knob to limit the counterclockwise rotation of the knob, the movable stop block extends towards the coded wheel assembly and abuts against the coded wheel assembly to limit the clockwise rotation of the knob, and the locking mechanism limits the rotation of the locking hook. When the key is unlocked, the key is inserted, the lock cylinder is rotated, the lock cylinder drives the clutch block to rotate, the clutch block removes the sliding restriction on the movable stop block, the movable stop block removes the restriction on clockwise rotation of the knob, the knob is rotated clockwise, the knob drives the movable part to slide, and the movable part slides, so that the locking mechanism removes the rotation restriction on the lock hook, and the unlocking by using the key is realized; when the password wheel assembly is unlocked, the password is correct, the password wheel assembly relieves the limitation on clockwise rotation of the knob, the knob rotates clockwise, the knob drives the movable part to slide, and the movable part slides, so that the locking mechanism relieves the rotation limitation on the lock hook, and the password unlocking and the actual unlocking are realized.

Compared with the prior art, overall structure is compact, and is rationally distributed, can carry out the unblock through two kinds of unblock modes of lock core and password wheel subassembly to, two kinds of unblock modes adopt same knob to carry out the unblock, have simplified the structure of trick lock, and the operation is used more conveniently, swiftly, improves the convenience of trick lock.

Drawings

The utility model is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the utility model, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.

Fig. 1 is a schematic structural diagram of the luggage combination lock of the utility model.

Figure 2 is an exploded view of the combination lock of the case of the present invention.

Figure 3 is an exploded view of another perspective of the combination lock for a bag of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a bottom view of the zipper lock of the present invention after hiding the bottom case.

Fig. 6 is an enlarged view at B in fig. 5.

Figure 7 is a schematic view of the combination wheel assembly of the present invention in a locked position.

Fig. 8 is an exploded view of the combination wheel assembly of the present invention in a locked state.

Fig. 9 is an exploded view of the knob of the present invention in a locked state.

Fig. 10 is an exploded view of the knob of the present invention in an unlocked state.

Reference numerals: the lock comprises a lock shell 1, a face shell 11, a bottom shell 12, a handle 13, a lock seat 14, a lock catch 15, a lock hole 16, a movable piece 2, a mounting groove 21, a rotating groove 22, a rotating inclined surface 23, a lock block 3, a rotating part 31, a lock hook 4, a hook part 41, a limiting part 42, a password wheel assembly 5, a wheel shaft 51, an abutting part 52, a first guide inclined surface 53, a knob 6, a poking part 61, a lock cylinder 7, a movable stop block 8, a second guide inclined surface 81, a bayonet 82 and a clutch block 9.

Detailed Description

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

In an embodiment of the combination lock for luggage, as shown in fig. 1 to 2, the luggage lock of the present embodiment is mainly used in combination with a lock catch 15, and the lock catch 15 is provided with a lock hole 16. The coded lock of the embodiment is provided with two lock hooks 4 which are respectively positioned at the left side and the right side of the coded lock and are correspondingly locked with a lock catch 15 or a zipper sheet. The password comprises a lock shell 1, wherein the lock shell 1 comprises a bottom shell 12 and a face shell 11. The bottom shell 12 and the face shell 11 are detachably connected, and particularly, the bottom shell 12 and the face shell 11 can be detachably connected in a clamping manner or in a screw connection manner.

In the present embodiment, the lock case 1 is provided with a knob 6, a code wheel assembly 5, a lock cylinder 7 and a movable member 2. The knob 6 is rotatably mounted in the lock case 1 through a rotating shaft. The lock cylinder 7 is rotatably mounted in the knob 6, and the code wheel assembly 5 is disposed at one side of the knob 6. The movable part 2 is slidably installed in the lock shell 1, one end of the movable part 2 is fixedly connected with the bottom of the knob 6, and the other end of the movable part 2 is provided with a locking mechanism which is used for limiting the rotation of the lock hook 4.

With reference to fig. 3 to 6, in order to be applied to various bags and suitcases and improve the anti-theft performance of the bags, two pairs of moving parts 2 and two pairs of lock hooks 4 are respectively arranged on two sides of the coded lock. The latch hook 4 is rotatably mounted in a latch seat 14, and the latch seat 14 is fixedly mounted on the inner side of the luggage. Specifically, the latch hook 4 includes a hook portion 41 for engaging with the latch hole 16 and a position-limiting portion 42 disposed opposite to the hook portion 41, and a certain space is left between the position-limiting portion 42 and the inner bottom surface of the latch seat 14. In addition, the locking hook 4 is further provided with a torsion spring for driving the locking hook to move towards the open state, and the locking hook 4 can rotate under the action of no other external force through the torsion force provided by the torsion spring, so that the locking hook 4 is driven to be separated from the locking hole 16 of the lock catch 15.

In this embodiment, a toggle portion 61 extends downward from the bottom of the knob 6, and an installation groove 21 is opened at the end of the movable element 2 facing the knob 6. In the assembled state, the striking part 61 is inserted into the mounting groove 21.

The locking mechanism comprises a locking block 3 positioned in a locking seat 14, the locking block 3 is rotatably installed in the locking seat 14, one end, facing the moving part 2, of the locking block 3 extends downwards to form a rotating part 31, the rotating part 31 penetrates out of the bottom surface of the locking seat 14, an arc-shaped hole for the rotating part 31 to penetrate out is formed in the bottom surface of the locking seat 14, one end, facing the locking block 3, of the moving part 2 is provided with a rotating groove 22, and a rotating inclined surface 23 is formed on the groove wall of the rotating groove 22; in the assembled state, the rotating portion 31 is inserted into the rotating groove 22. The working process is as follows: in the locked state, the end of the lock block 3 abuts against the lower side of the limiting part 42, and the lock hook 4 cannot rotate under the torsion provided by the torsion spring, so that the rotation of the lock hook 4 is limited. During the unblock, moving part 2 slides towards the unblock direction, rotates the portion 31 that the inclined plane 23 in the groove 22 can support the locking piece 3 to order about the locking piece 3 to rotate, locking piece 3 rotates, and the locking piece 3 originally lies in the part of spacing portion 42 below and can deviate from because of rotating, thereby locking piece 3 no longer restricts the rotation of latch hook 4, and latch hook 4 can rotate under the torsion of torsional spring, accomplishes the unblock. During locking, the lock catch 15 is clamped into the hook part 41 of the lock hook 4 and drives the lock hook 4 to rotate and return, and locking is achieved after the movable piece 2 and the lock block 3 return.

As an improvement, the coded lock of the embodiment adopts the same knob 6 to unlock no matter the coded lock adopts a code or a key to unlock.

In the present embodiment, referring to fig. 7 and 8, the password wheel assembly 5 includes the axle 51 capable of telescopic movement, it should be noted that the password wheel assembly 5 is a conventional password wheel assembly 5 on the market, and the password is strived for, the axle 51 can freely move in a telescopic manner, the password is wrong, and the axle 51 cannot move in a telescopic manner. The axle 51 extends out of the abutting portion 52 towards the knob 6, and a bayonet 82 is opened at the bottom of the knob 6. In the locked state, the abutment portion 52 is fitted into the bayonet 82 to restrict the counterclockwise rotation of the knob 6. From this, when password wheel subassembly 5 is in the state of locking, knob 6 is unable anticlockwise rotation, but can clockwise rotate, in order to restrict rotatory rotation in clockwise, still be equipped with the movable stop 8 that stretches out along the radial outside of knob 6 in knob 6, movable stop 8 can follow the radial slip of knob 6, specifically, can set up a radial logical groove along knob 6 in the middle part of knob 6, put into logical inslot with movable stop 8, movable stop 8 just can slide along knob 6's radial. In order to limit the knob 6 from sliding in the locked state, a clutch block 9 for limiting the sliding of the movable stop block 8 is further arranged in the knob 6.

In the locked state, the clutch block 9 locks the sliding of the movable block 8, and the movable block 8 abuts against the abutting part 52 to limit the clockwise rotation of the knob 6, which can be understood as that the bayonet 82 of the knob 6 and the movable block 8 jointly clamp the abutting part 52 of the axle 51, and the knob 6 cannot rotate due to the obstruction of the axle 51, so that the knob 6 is locked to realize the anti-theft. During the unblock, shaft 51 can concertina movement, and when external force drive knob 6 rotated clockwise, movable stop 8 can support the shaft 51 and retract, because shaft 51 can freely stretch out and draw back, shaft 51 no longer hinders knob 6 and rotates, and knob 6 normally rotates to knob 6 can drive moving part 2 and slide towards the unblock direction, thereby moving part 2 slides and carries out the unblock through locking mechanism to latch hook 4. During locking, the knob 6 is returned and the combination wheel assembly 5 itself has a return spring which drives the abutment 52 of the axle 51 to re-insert into the notch 82 of the knob 6, thereby re-locking the knob 6 with the axle 51.

In this embodiment, in order to make the operation smoother when unlocking the combination, the abutting portion 52 has a first guide slope 53 formed on a side surface facing the movable stopper 8, and the movable stopper 8 has a second guide slope 81 formed on a side surface facing the abutting portion 52. By the cooperation of the first guide slope 53 and the second guide slope 81, the wheel shaft 51 can be pushed more smoothly to retract, thereby further improving the convenience and the fluency of the operation.

In this embodiment, with reference to fig. 9 and 10, the clutch block 9 is fixedly connected to the lock cylinder 7, and can be clamped by means of a convex and a concave groove, and the lock cylinder 7 is rotatably installed in the knob 6, so that when the lock cylinder 7 rotates, the clutch block 9 can be driven to rotate, and the clutch block 9 is used for limiting the sliding of the movable stopper 8. Specifically, the middle part of the movable stop block 8 is provided with a limit groove; under the last lock state, separation and reunion piece 9 inserts the spacing inslot and supports the cell wall of propping the spacing groove, that is to say, under the last lock state, the length direction of separation and reunion piece 9 is parallel with the length direction of activity dog 8, because separation and reunion piece 9 supports and withstands the spacing groove, can regard activity dog 8 as an organic whole with separation and reunion piece 9, lock core 7, knob 6, because knob 6 only can rotate, consequently, activity dog 8 can't slide, separation and reunion piece 9 has restricted activity dog 8 along the radial slip of button. When the key is unlocked, the lock core 7 is rotated, the lock core 7 drives the clutch block 9 to rotate, the clutch block 9 does not abut against the groove wall of the limiting groove, the length direction of the clutch block 9 is vertical to that of the movable stop block 8, and the clutch block 9 removes the sliding limitation on the movable stop block 8; then clockwise rotation knob 6, knob 6 rotates and can drive moving part 2 and slide towards the unblock direction, thereby moving part 2 slides and unlocks latch hook 4 through locking mechanism.

Compared with the prior art, overall structure is compact, and is rationally distributed, can carry out the unblock through two kinds of unblock modes of lock core 7 and password wheel subassembly 5 to, two kinds of unblock modes adopt same knob 6 to carry out the unblock, have simplified the structure of trick lock, and operation use is more convenient, swift, improves the convenience of trick lock.

In this embodiment, lock shell 1 is equipped with handle 13, and handle 13 is the U-shaped structure, and handle 13 passes through the articulated elements and articulates in the both sides of lock body, and for the convenience of accomodating of handle 13, be equipped with damping mechanism between handle 13 and the lock shell 1, can order about handle 13 through damping mechanism and rotate towards case and bag direction and paste tightly.

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

Claims (10)

1. The utility model provides a case and bag trick lock which characterized in that: the lock comprises a lock shell and a rotatable lock hook, wherein the lock shell is provided with a knob, a password wheel assembly, a lock cylinder and a movable piece;

the lock comprises a lock shell, a knob, a lock core, a code wheel assembly, a movable member, a locking mechanism and a lock hook, wherein the knob is rotatably arranged in the lock shell, the lock core is rotatably arranged in the knob, the code wheel assembly is arranged on one side of the knob, the movable member can slide relative to the lock shell, one end of the movable member is fixedly connected with the bottom of the knob, the other end of the movable member is provided with the locking mechanism, and the locking mechanism is used for limiting the lock hook to rotate;

the knob is also internally provided with a movable stop block which extends outwards along the radial direction of the knob, the movable stop block can slide along the radial direction of the knob, the knob is also internally provided with a clutch block for limiting the sliding of the movable stop block, and the clutch block is fixedly connected with the lock cylinder;

under the locking state, the code wheel component abuts against the knob to limit the counterclockwise rotation of the knob, the movable stop block extends towards the code wheel component and abuts against the code wheel component to limit the clockwise rotation of the knob, and the locking mechanism limits the rotation of the locking hook.

2. A combination lock for a luggage as claimed in claim 1, wherein: the password wheel assembly comprises a wheel shaft capable of moving in a telescopic mode, the wheel shaft extends out of the abutting part towards the knob, and the bottom of the knob is provided with a bayonet;

under the locked state, the abutting part is arranged in the bayonet to limit the knob to rotate anticlockwise, and the movable stop block abuts against the abutting part to limit the knob to rotate clockwise.

3. A combination lock for a luggage as claimed in claim 2, wherein: the middle part of the movable stop block is provided with a limit groove;

in an up-locking state, the clutch block is inserted into the limit groove and abuts against the groove wall of the limit groove to limit the movable stop block to slide along the radial direction of the button;

when the key is unlocked, the lock cylinder is rotated, the lock cylinder drives the clutch block to rotate, and the clutch block relieves the sliding limitation on the movable stop block.

4. A combination lock for a luggage as claimed in claim 2, wherein: the side of the abutting part facing the movable stop block is provided with a first guide inclined surface, and the side of the movable stop block facing the abutting part is provided with a second guide inclined surface.

5. A combination lock for a luggage as claimed in claim 1, wherein: a toggle part extends downwards from the bottom of the knob, and an installation groove is formed in the end part, facing the knob, of the movable piece;

in an assembly state, the poking part is inserted into the mounting groove.

6. A combination lock for a luggage as claimed in claim 1, wherein: the locking mechanism comprises a rotatable locking block, a rotating part extends downwards from one end of the locking block facing the moving part, a rotating groove is formed in one end of the moving part facing the locking block, and a rotating inclined plane is formed on the groove wall of the rotating groove;

in an assembled state, the rotating portion is inserted into the rotating groove.

7. A combination lock for a luggage as claimed in claim 6, wherein: the lock hook comprises a hook part for locking the lock catch and a limiting part arranged opposite to the hook part;

under the locked state, one end of the locking piece is abutted to the lower part of the limiting part to limit the locking hook to rotate.

8. A combination lock for a luggage as claimed in claim 1, wherein: the latch hook is provided with a torsion spring urging it towards an open condition.

9. A combination lock for a luggage as claimed in claim 1, wherein: the lock shell is provided with a handle, the handle is of a U-shaped structure, and the handle is hinged to two sides of the lock body through hinged pieces.

10. A combination lock for a luggage as claimed in claim 9, wherein: and a damping mechanism is arranged between the handle and the lock shell.

Images