CN218375864U - Coded lock for luggage - Google Patents

Abstract

The utility model relates to a tool to lock technical field, concretely relates to trick lock for luggage, including the lock shell, install the latch hook in the lock shell slidable, can follow the lock shell and slide and support the button that pushes up with the latch hook, locking piece and password wheel subassembly, be formed with the unblock passageway in the lock shell, the locking piece is put into in the unblock passageway and can be followed the unblock passageway and slide, first opening has been seted up towards the side of latch hook to the unblock passageway, the tip of latch hook inserts in the first opening, password wheel subassembly is including following the gliding movable plate of lock shell, the second opening has been seted up towards the side of movable plate to the unblock passageway, the movable plate is equipped with and inserts the intraoral second card of second opening protrudingly. The lock block adopts a sliding mode to assist locking or unlocking, replaces the prior motion mode of rotating or rotating the lock block, simplifies the structure of the lock block, and improves the structural strength of the lock block, thereby simplifying the integral structure of the coded lock, prolonging the service life of the coded lock, and improving the anti-theft performance of the coded lock.

Description

Coded lock for luggage

Technical Field

The utility model relates to a tool to lock technical field, concretely relates to trick lock for case and bag.

Background

See patent document CN2021202503072, which discloses a suitcase coded lock, including a lock case, a lock hook mechanism and a coded wheel lock mechanism, wherein the lock hook mechanism includes a lock hook plate, a lock hook and a lock hook reset piece, the lock hook plate is slidably disposed in the lock case, and the lock case is provided with a push block and a locking piece. In this patent literature, the ejector pad is essentially the button, and under password lock mechanism unlock state, through pressing the ejector pad, the ejector pad promotes the locking piece and rotates, and the locking piece drives latch hook mechanism and unlocks, and under password lock mechanism lock state, password lock mechanism restriction locking piece can't rotate to the realization is locked. The password lock of the case is latched on at least two defects, firstly, the locking piece has a complex structure, the locking piece needs to form a plurality of support legs on the peripheral side of the locking piece, the production difficulty is high, the constitution of the locking piece is small, the problem of breakage of each support leg is easy to occur, the anti-theft performance is poor, and the service life is short; second, the locking piece adopts pivoted mode, need set up the pivot in the lock shell to the reset of locking piece still needs the external torsional spring of unblock, and the spare part that leads to whole trick lock is in large quantity, and the assembly degree of difficulty is big, and trick lock overall structure is complicated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a trick lock for case and bag not enough among the prior art, this trick lock can solve the problem that the structure is complicated in the past.

The purpose of the utility model is realized through the following technical scheme: the application provides a coded lock for luggage, which comprises a lock shell, a lock hook, a button, a lock block and a coded wheel assembly, wherein the lock hook is slidably arranged in the lock shell, the button can slide along the lock shell and abut against the lock hook, the lock block and the coded wheel assembly are arranged in the lock shell, an unlocking channel is formed in the lock shell, the lock block is placed in the unlocking channel and can slide along the unlocking channel, a first opening is formed in the unlocking channel towards the side surface of the lock hook, the end part of the lock hook is inserted into the first opening, the coded wheel assembly comprises a movable sheet capable of sliding along the lock shell, a second opening is formed in the unlocking channel towards the side surface of the movable sheet, and the movable sheet is provided with a second clamping protrusion inserted into the second opening; when the lock is locked, the movable plate slides to the locking position, the second clamping protrusion is placed into the unlocking channel through the second opening and props against the locking block to limit the movement of the locking block, and the button, the locking hook and the locking block are propped against one another in sequence to realize locking;

during the unblock, the movable plate slides to the unblock position, and the second card is protruding to slide and deviate from along the second opening unblock passageway presses the button and orders about the latch hook and slides towards first opening to make the latch hook promote the locking piece and slide along the unblock passageway, realize the unblock.

Wherein, the locking piece is one of cylinder, spheroid, hemispheroid, centrum.

The lock shell is also provided with a lock cylinder, the lock cylinder is rotatably arranged in the lock shell, a third opening is formed in the side surface, facing the lock cylinder, of the unlocking channel, and the lock cylinder extends towards the third opening to form a third clamping protrusion placed in the third opening; when the lock is locked, the lock core rotates to the locking position, and the third clamping protrusion is placed into the unlocking channel through the third opening and props against the lock block to realize locking; during unlocking, the lock cylinder rotates to the unlocking position, and the third clamping protrusion is separated from the unlocking channel through the third opening, so that the lock block can slide along the unlocking channel to realize unlocking.

The password wheel assembly also comprises a password wheel, a code adjusting wheel and a code adjusting sheet; the code adjusting wheel is clamped below the code wheel, and a code adjusting spring is arranged between the code adjusting wheel and the corresponding code wheel; the side surface of the periphery of the code adjusting wheel is provided with a first clamping groove, the movable sheet is arranged below the code adjusting wheel and provided with a mounting hole for the code adjusting wheel to pass through, the hole wall of the mounting hole extends out of the unlocking part towards the first clamping groove, the unlocking part abuts against the side surface of the periphery of the code adjusting wheel during locking, the first clamping groove and the unlocking part are staggered, and the unlocking part is arranged in the first clamping groove during unlocking;

the code adjusting piece is arranged below the movable piece and can slide along the lock shell, the code adjusting piece is provided with a code adjusting groove and a limiting groove communicated with the code adjusting groove, and the code adjusting groove and the limiting groove are arranged at intervals in the height direction and staggered in the horizontal direction;

when the code adjusting piece is positioned at the non-code adjusting position, the code adjusting wheel is positioned in the limiting groove, the code wheel and the code adjusting wheel are in a clamping state, and the code adjusting spring is in a compressed state; when the code adjusting piece is located at the code adjusting position, the code adjusting wheel is located in the code adjusting groove, the code adjusting spring is in an extending state, and the code wheel and the code adjusting wheel are driven to be separated in the height direction.

The side surface of the periphery of the code adjusting wheel is also provided with a second clamping groove which is opposite to the first clamping groove; the groove wall of the code adjusting groove extends upwards to form a limiting part, and the limiting part and the limiting groove are arranged oppositely; when the code adjusting piece is located at the code adjusting position, the limiting part is inserted into the second clamping groove.

The bottom surface of the code adjusting piece is provided with two limiting grooves which are arranged at intervals along the sliding direction of the code adjusting piece, a protrusion extends upwards from the inner bottom surface of the lock shell, when the code adjusting piece is located at a non-code adjusting position, the protrusion is placed into one limiting groove, and when the code adjusting piece is located at a code adjusting position, the protrusion is placed into the other limiting groove.

Wherein, the outer bottom surface of lock shell is formed with the deformation recess that is relative with protruding position.

Wherein, the movable sheet extends out of the clamping part towards the code adjusting sheet, and the code adjusting sheet is provided with a clamping groove for the clamping part to insert; in the locked state, the clamping part props against the groove wall of the clamping groove to limit the code adjusting sheet to slide; in the unlocking state, the clamping part is separated from the clamping groove along the sliding direction of the code adjusting sheet.

The movable sheet extends towards the second opening to form a second clamping protrusion which is arranged in the second opening, and the second clamping protrusion and the movable sheet are arranged into an integrated structure; when the unlocking is carried out, the movable piece slides to the unlocking position, and the second clamping protrusion penetrates through the second opening to be separated from the unlocking channel.

The second clamping protrusion and the movable piece are of a split structure, the movable piece faces one side of the second opening, a sliding groove is formed in one side of the second clamping protrusion, one side of the second clamping protrusion is placed into the sliding groove, the second clamping protrusion can be guided to slide along the sliding groove, and a thrust spring which orders the second clamping protrusion to slide in the locking direction is arranged between the second clamping protrusion and the groove wall of the sliding groove.

The utility model discloses a trick lock for case and bag has following beneficial effect:

(1) This application trick lock's for suitcase lock piece adopts gliding mode to assist to lock or the unblock, has replaced the rotatory or pivoted motion mode of lock piece in the past, has simplified the structure of lock piece, has improved the structural strength of lock piece to simplify trick lock overall structure, prolonged the life of trick lock, improved the theftproof performance of trick lock.

(2) The coded lock has the advantages of simple and compact integral structure, high transmission efficiency and long service life, and in addition, the code adjusting sheet is directly limited by the movable sheet, so that the code adjusting structure is simplified, and the structure of the coded lock is further simplified.

Drawings

The present invention is further described with reference to the accompanying 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 inventive work.

Fig. 1 is a schematic structural diagram of a combination lock in embodiment 1.

Fig. 2 is an exploded view of the combination lock of embodiment 1.

Fig. 3 is a schematic structural view of the combination lock in the locked state according to embodiment 1.

Fig. 4 is a schematic structural diagram of the latch hook in embodiment 1.

Fig. 5 is a schematic structural view of the front cover in embodiment 1.

Fig. 6 is a schematic structural view of the combination lock in the unlocked state of the combination wheel assembly in embodiment 1.

Fig. 7 is a schematic structural view of the combination lock in the state that the lock cylinder is unlocked in embodiment 1.

Fig. 8 is a schematic structural diagram of a code wheel assembly in embodiment 1.

Figure 9 is an exploded view of the code wheel assembly of example 1.

Fig. 10 is a schematic structural diagram of a tone chip in embodiment 1.

Fig. 11 is a schematic structural view of a base plate in embodiment 1.

Fig. 12 is a schematic structural view of the movable plate in embodiment 1.

Fig. 13 is a schematic structural view of the combination lock in the unlocked state of the combination wheel assembly in embodiment 2.

Fig. 14 is a schematic structural view of the combination lock in the lock cylinder unlocked state in embodiment 2.

Fig. 15 is a schematic structural view of the code wheel assembly in embodiment 2.

Figure 16 is an exploded view of the code wheel assembly of example 2.

Reference numerals: the lock comprises a face shell 11, a bottom shell 12, a bottom plate 13, a protrusion 131, a deformation groove 132, a lock hole 14, a button 2, a lock hook 3, a return spring 30, a lock hook body 31, an installation part 32, a hook part 33, a password wheel assembly 4, an unlocking spring 40, a password wheel 41, a code adjusting spring 42, a code adjusting wheel 43, a first clamping groove 431, a second clamping groove 432, a movable piece 44, a clamping part 440, an unlocking part 441, a sliding groove 442, a thrust spring 443, a code adjusting piece 45, a clamping groove 450, a code adjusting groove 451, a limiting groove 452, a limiting part 453, a limiting groove 454, a code adjusting switch 46, a lock cylinder 5, a lock block 6, a first clamping protrusion 81, an inclined surface 811, a second clamping protrusion 82, a guide inclined surface 821, a third clamping protrusion 83, an unlocking channel 9, a first opening 91, a second opening 92 and a third opening 93.

Detailed Description

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

Example 1

The utility model discloses an one of the concrete implementation modes of trick lock for case and bag, as shown in fig. 1 to fig. 2, including the lock shell, the lock shell includes from last 11, bottom plate 13 and the drain pan 12 that set gradually down, and 11 and the drain pan 12 of face-piece pass through the screw rigid coupling, and bottom plate 13 then the joint is in the bottom surface of face-piece 11, forms the installation cavity that is used for installing the spare part between 13 and the face-piece 11 of bottom plate. Two lock holes 14 are formed in the face shell 11, lock hooks 3 are arranged in the lock holes 14, and the lock hooks 3 are matched with the lock holes 14 to lock the external zipper strips.

With reference to fig. 3, the combination lock further includes a locking hook 3 slidably mounted in the lock case, a button 2 slidable along the lock case and abutting against the locking hook 3, a locking block 6, a combination wheel assembly 4, and a lock cylinder 5. Specifically, button 2 is the T shape setting, and the operation and production of being convenient for like this between button 2 and face-piece 11, can utilize the cooperation of lug and slot through seting up the slot at face-piece 11 and forming the lug on button 2 to realize that button 2 can follow the lock shell and slide, and can play the effect of direction to the slip of button 2.

Referring to fig. 4, the two lock hooks 3 are provided, the two lock hooks 3 are of a stacked structure, the lock hook 3 includes a lock hook body 31 abutting against the button 2, an installation portion 32 extends from one side of the lock hook body 31 facing the lock hole 14, the installation portion 32 extends out of a hook portion 33 facing the lock hole 14 and used for hooking an external zipper piece, and a first clamping protrusion 81 extends outwards from one end of the lock hook body 31, which is far away from the button 2. In addition, a return spring 30 for driving the locking hook 3 to move towards the locking direction is arranged in the lock shell.

As a modification, referring to fig. 5, an unlocking passage 9 is formed in the lock case (face case 11), and the lock block 6 is inserted into the unlocking passage 9 and is slidable along the unlocking passage 9. It should be noted that the locking piece 6 may be one of a cylinder, a sphere, a hemisphere, and a cone, in this embodiment, the locking piece 6 is in a hollow cylinder shape, which not only can ensure that the locking piece 6 has sufficient structural strength, but also can reduce the manufacturing material of the locking piece 6 due to a hollow structure, thereby saving the cost. The side of the unlocking channel 9 facing the locking hook 3 is opened with a first opening 91, and the end of the locking hook 3 (the first locking protrusion 81) is inserted into the first opening 91.

The working principle of the locking block 6 is as follows: when locking, the locking piece 6 is spacing by other spare parts, and when the locking piece 6 was fixed and stopped up first opening 91, the first card of latch hook 3 is protruding 81 and is supported with the periphery side of locking piece 6 to make button 2 and latch hook 3 all unable for the lock shell slide, thereby realize locking. During the unblock, the lock shell can slide for face-piece 11, and the outside exerts pressing force to button 2, and button 2 promotes latch hook 3 and slides towards the unblock direction along face-piece 11, and first card is protruding 81 can support and push up locking piece 6 and exert an effort to locking piece 6 to order about locking piece 6 to slide along unblock passageway 9, locking piece 6 has removed the locking restriction to latch hook 3, realizes the unblock.

With reference to fig. 4, in order to improve the smoothness during unlocking, an end surface of the first locking protrusion 81 of the locking hook 3 facing the locking piece 6 is an inclined surface 811 or an arc surface, so that a sufficient contact area is provided between the first locking protrusion 81 and the locking piece 6 during unlocking, and the sliding of the locking piece 6 can be guided.

Referring to fig. 6, the password wheel assembly 4 includes a movable plate 44 slidable along the lock housing, the movable plate 44 slides in the same direction as the locking hook 3, and both slide back and forth along the length direction of the lock housing, a second opening 92 is formed in the side of the unlocking passage 9 facing the movable plate 44, and the movable plate 44 is provided with a second protrusion 82 inserted into the second opening 92. In other embodiments, the second locking protrusion 82 and the movable piece 44 may be formed as an integral structure, but this structure has a problem of insufficient structural strength, and since the joint surface between the second locking protrusion 82 and the movable piece 44 is likely to be broken after the second locking protrusion 82 and the movable piece 44 are formed as an integral structure, stress is too concentrated, and thus, in order to solve this problem, in the present embodiment, a split structure is adopted between the second locking protrusion 82 and the movable piece 44. Referring to fig. 12, a sliding slot 442 is formed on a side of the movable plate 44 facing the second opening (the locking block 6), a side of the second protrusion 82 is disposed in the sliding slot 442, the second protrusion 82 can slide along the sliding slot 442, a thrust spring 443 is disposed between the second protrusion 82 and a slot wall of the sliding slot 442 to drive the second protrusion 82 to slide in the locking direction, in order to facilitate the fixing of the thrust spring 443 and limit the sliding distance of the second protrusion 82, the second protrusion 82 and the sliding slot 442 are both provided with auxiliary protrusions, when locking, the movable plate 44 moves to the locking position, the slot wall of the sliding slot 442 of the movable plate 44 abuts against the second protrusion 82 in the locking direction to limit the sliding of the second protrusion 82, so that the second protrusion 82 is confined in the unlocking channel 9, when unlocking, the movable plate 44 slides in the unlocking direction, the sliding groove 442 releases the abutting of the second bump 82, the second clamping protrusion 82 can slide in the sliding groove 442 relative to the movable plate 44, but the thrust spring 443 pushes the second clamping protrusion 82 by using the elastic force of the thrust spring 443, the second clamping protrusion 82 can be always located in the unlocking channel 9 in a state without other external forces, after the external pressing force is applied to the button 2, the external pressing force can indirectly act on the second clamping protrusion 82 to push the second clamping protrusion 82 to slide and retract towards the unlocking direction, and in the unlocking state, the thrust spring 443 is in a compression state. In order to further provide fluency of the coded lock in the locking process and drive the sliding lock block 6 to return, the side surface (the side surface in contact with the lock block 6) of the second clamping protrusion 82 is the inclined guide inclined surface 821 which inclines downwards, when the second clamping protrusion 82 moves along the locking direction, the distance between the inclined guide surface 821 of the second clamping protrusion 82 and the inner wall of the unlocking passage 9 is gradually reduced, and the inclined guide surface 821 can extrude and guide the lock block 6 to return, so that the conventional mode that the lock block 6 needs to return by means of an external torsion spring is replaced, the use of parts is further reduced, and the manufacturing cost is reduced.

The working process of the code wheel assembly 4 is as follows: when the lock is locked, the movable plate 44 slides to the locking position, the second locking protrusion 82 is placed into the unlocking passage 9 through the second opening 92 and abuts against the locking block 6 to limit the movement of the locking block 6, and the button 2, the locking hook 3 and the locking block 6 sequentially abut against each other to realize locking. During unlocking, the movable plate 44 slides to the unlocking position, the second clamping protrusion 82 is separated from the unlocking channel 9 through the second opening 92, the button 2 is pressed, the locking hook 3 is driven to slide towards the first opening 91, and the locking hook 3 pushes the locking block 6 to slide along the unlocking channel 9, so that unlocking is achieved.

In another embodiment, if the combination lock only needs to adopt the combination wheel assembly 4 to lock or unlock, the unlocking channel 9 can be set to be a blind way, and in this embodiment, in order to facilitate the use of a user, the combination lock of this embodiment can also adopt a key to unlock, therefore, the unlocking channel 9 is a bi-pass channel, one of the channels is blocked by the combination wheel assembly 4 to realize locking, and the other channel is blocked by the lock cylinder 5 to realize locking.

Referring to fig. 7, the lock cylinder 5 is rotatably installed in the lock case, the lock cylinder 5 is a conventional lock cylinder 5, and a key can be inserted into the lock cylinder to rotate, and the lock cylinder cannot be rotated without inserting the key. Referring to fig. 5, a third opening 93 is formed in the side surface of the unlocking passage 9 facing the lock cylinder 5, and the lock cylinder 5 extends toward the third opening 93 to form a third locking protrusion 83 inserted into the third opening 93. The working process of the lock cylinder 5 is as follows: when locking, the lock core 5 rotates to the locking position, and the third clamping protrusion 83 is placed into the unlocking channel 9 through the third opening 93 and supports against the lock block 6 to realize locking. During unlocking, the lock cylinder 5 rotates to the unlocking position, and the third clamping protrusion 83 is separated from the unlocking channel 9 through the third opening 93, so that the lock block 6 can slide along the unlocking channel 9, and unlocking is achieved.

Referring to fig. 8 to 10, the combination wheel assembly 4 further includes a combination wheel 41, a code wheel 43, and a code sheet 45. The code wheel 41 is rotatably installed in the lock case, the code adjusting wheel 43 is clamped below the code wheel 41, it should be noted that the code wheel 41 and the code adjusting wheel 43 are clamped in a groove and block mode, when the code adjusting wheel 43 and the code wheel 41 are clamped, the code wheel 41 rotates, the code adjusting wheel 43 rotates, when the code adjusting wheel 43 and the code wheel 41 are not clamped, the code wheel 41 rotates, the code adjusting wheel 43 does not rotate, and therefore, in order to realize the code adjusting function, the code adjusting spring 42 is arranged between the code adjusting wheel 43 and the code wheel 41. In order to enable the code adjusting wheel 43 to lock the movable piece 44, a first clamping groove 431 is formed in the outer peripheral side surface of the code adjusting wheel 43, the movable piece 44 is installed below the code adjusting wheel 43, a mounting hole for the code adjusting wheel 43 to pass through is formed in the movable piece 44, an unlocking part 441 extends out of the hole wall of the mounting hole towards the first clamping groove 431, and when the lock is locked, the unlocking part 441 abuts against the outer peripheral side surface of the code adjusting wheel 43 and the first clamping groove 431 is dislocated with the unlocking part 441, by combining fig. 3 and 7; when unlocking, the unlocking portion 441 is placed in the first slot 431, and the lock case is further provided with an unlocking spring 40 which drives the movable piece 44 to move towards the unlocking state, so that the unlocking spring 40 can push the movable piece 44 to slide towards the unlocking direction under the unlocking state, and the unlocking portion 441 is inserted into the first slot 431.

In this embodiment, the code adjusting piece 45 is installed below the movable piece 44, and the code adjusting piece 45 can slide along the lock case, the code adjusting piece 45 is provided with a code adjusting groove 451 and a limiting groove 452 communicated with the code adjusting groove 451, and the code adjusting groove 451 and the limiting groove 452 are arranged at intervals in the height direction and staggered in the horizontal direction, so as to form two grooves which are one higher, one lower or one deeper and one shallower.

The operating principle of the code tuning piece 45 is: when the code adjusting piece 45 is at the non-code adjusting position, the code adjusting wheel 43 is positioned in the limiting groove 452, the code wheel 41 and the code adjusting wheel 43 are in a clamping state, and the code adjusting spring 42 is in a compressed state. When the code adjusting piece 45 is at the code adjusting position, the code adjusting wheel 43 is located in the code adjusting groove 451, the code adjusting spring 42 is in an extending state, and the code wheel 41 and the code adjusting wheel 43 are driven to be separated in the height direction.

In this embodiment, in order to avoid the password wheel 41 being adjustable during the password error, the peripheral side surface of the password wheel 43 is further provided with a second engaging groove 432 opposite to the first engaging groove 431, and the groove wall of the password adjusting groove 451 extends upward to form a limiting portion 453, and the limiting portion 453 is opposite to the limiting groove 452. That is if and only when transferring the yard wheel 43 and rotating to the unblock position, transfer yard wheel 43 and just can remove to transferring in the sign indicating number recess 451, transfer the sign indicating number piece 45 when being in transferring the sign indicating number position, spacing portion 453 inserts in second draw-in groove 432.

In order to avoid that the code adjusting sheet 45 can be driven to slide relative to the lock case when the password is wrong, the end of the movable sheet 44 extends (extends downwards) out of the clamping part 440 towards the code adjusting sheet 45, the code adjusting sheet 45 is provided with a clamping groove 450 for inserting the clamping part 440, and the matching relationship between the clamping groove 450 and the clamping part 440 is as follows: in the locked state, the retaining portion 440 abuts against the wall of the retaining groove 450 to limit the slide of the code adjusting piece 45, and in the unlocked state, the retaining portion 440 is separated from the retaining groove 450 along the slide direction of the code adjusting piece 45. Therefore, the movable piece 44 can be used for directly locking the code adjusting piece 45, namely when the password is wrong, the movable piece 44 is in the locking position, the clamping part 440 is abutted against the clamping groove 450, so that the sliding of the code adjusting piece 45 is limited, the code adjusting piece 45 is locked, when the password is correct, the movable piece 44 moves to the unlocking position, the clamping part 440 slides along with the movable piece 44 towards the unlocking direction, the clamping part 440 releases the abutting of the clamping groove 450, so that the locking of the code adjusting piece 45 is released, and the code adjusting piece 45 can slide relative to the lock shell (the bottom plate 13).

With reference to fig. 11 and 2, in order to improve the adjustment hand feeling and limit the sliding position of the code adjusting sheet 45, two limiting grooves 454 arranged at intervals along the sliding direction of the code adjusting sheet 45 are formed in the bottom surface of the code adjusting sheet 45, a protrusion 131 extends upwards from the inner bottom surface of the lock case (the top surface of the bottom plate 13), the protrusion 131 has certain elasticity or flexibility, when the code adjusting sheet 45 is in the non-code adjusting position, the protrusion 131 is placed in one of the limiting grooves 454, and when the code adjusting sheet 45 is in the code adjusting position, the protrusion 131 is placed in the other limiting groove 454. Specifically, the outer bottom surface of the lock case is formed with a deformation groove 132 opposite to the protrusion 131, and the groove is arranged to enable the protrusion 131 to generate a certain deformation, so as to prevent the protrusion 131 from locking the code adjusting sheet 45.

In this embodiment, the password wheel assembly 4 further includes a code adjusting switch 46, the code adjusting switch 46 and the code adjusting piece 45 are of an integrally formed structure, and the end portion of the code adjusting switch 46 is exposed on the outer side surface of the lock case, so that the conventional split structure of the code adjusting switch 46 and the code adjusting piece 45 is replaced, the number of parts is reduced, the structure of the password lock is further simplified, and the structural strength of the password wheel assembly 4 is improved.

The utility model discloses a trick lock for luggage, locking piece 6 adopts gliding mode to assist to lock or the unblock, has replaced in the past locking piece 6 rotatory or pivoted motion mode, has simplified locking piece 6's structure, has improved locking piece 6's structural strength to simplify trick lock overall structure, prolonged the life of trick lock, improved the theftproof performance of trick lock. The coded lock has the advantages of simple and compact integral structure, high transmission efficiency and long service life, and in addition, the code adjusting sheet 45 directly limits the coded lock through the movable sheet 44, so that the code adjusting structure is simplified, and the structure of the coded lock is further simplified.

Example 2

The utility model discloses a second embodiment of trick lock for luggage, its technical feature and technical scheme the same with embodiment 1 do not do here and describe repeatedly, and this embodiment lies in with embodiment 1 difference: as shown in fig. 13 to 16, the second locking protrusion 82 may be integrally formed with the movable plate 44, and the movable plate 44 extends out of the second locking protrusion 82 inserted into the second opening 92 toward the second opening 92.

In order to further provide fluency of the coded lock in the locking process and drive the sliding lock block 6 to return, the side surface (the side surface in contact with the lock block 6) of the second clamping protrusion 82 is the inclined guide inclined surface 821 which inclines downwards, when the second clamping protrusion 82 moves along the locking direction, the distance between the guide inclined surface 821 of the second clamping protrusion 82 and the inner wall of the unlocking channel 9 is gradually reduced, and the guide inclined surface 821 can extrude and guide the lock block 6 to return, so that the mode that the lock block 6 needs to return by means of an external torsion spring in the prior art is replaced, the use of parts is further reduced, and the manufacturing cost is reduced.

The working process of the code wheel assembly 4 is as follows: when the lock is locked, the movable plate 44 slides to the locking position, the second locking protrusion 82 is placed into the unlocking channel 9 through the second opening 92 and abuts against the lock block 6 to limit the motion of the lock block 6, and the button 2, the locking hook 3 and the lock block 6 sequentially abut against each other to realize locking. During unlocking, the movable plate 44 slides to the unlocking position, the second clamping protrusion 82 is separated from the unlocking channel 9 through the second opening 92, the button 2 is pressed, the locking hook 3 is driven to slide towards the first opening 91, and the locking hook 3 pushes the locking block 6 to slide along the unlocking channel 9, so that unlocking 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 (10)

1. A coded lock for luggage comprises a lock shell, a lock hook, a button, a lock block and a coded wheel assembly, wherein the lock hook is slidably arranged in the lock shell, the button can slide along the lock shell and abut against the lock hook, and the coded wheel assembly is characterized in that an unlocking channel is formed in the lock shell;

when the lock is locked, the movable plate slides to the locking position, the second clamping protrusion is placed into the unlocking channel through the second opening and abuts against the locking block to limit the movement of the locking block, and the button, the locking hook and the locking block sequentially abut against one another to realize locking;

during the unblock, the movable plate slides to the unblock position, the second card is protruding to be followed the second opening slides and deviate from unblock passageway presses the button and orders about the latch hook orientation slide in the first opening, so that the latch hook promotes the locking piece is followed the unblock passageway slides, realizes the unblock.

2. A combination lock for luggage as claimed in claim 1, wherein: the locking piece is one of a cylinder, a sphere, a hemisphere and a cone.

3. A combination lock for luggage as claimed in claim 1, wherein: the lock shell is also provided with a lock cylinder, the lock cylinder is rotatably arranged in the lock shell, a third opening is formed in the side surface, facing the lock cylinder, of the unlocking channel, and a third clamping protrusion arranged in the third opening extends out of the lock cylinder and faces the third opening;

when the lock is locked, the lock cylinder rotates to a locking position, and the third clamping protrusion is placed into the unlocking channel through the third opening and props against the lock block to realize locking;

during unlocking, the lock cylinder rotates to an unlocking position, and the third clamping protrusion is separated from the unlocking channel through the third opening, so that the locking block can slide along the unlocking channel to realize unlocking.

4. The combination lock for luggage according to claim 1, wherein: the password wheel assembly further comprises a password wheel, a code adjusting wheel and a code adjusting sheet;

the code adjusting wheel is rotatably arranged in the lock shell, the code adjusting wheel is clamped below the code adjusting wheel, and a code adjusting spring is arranged between the code adjusting wheel and the corresponding code wheel;

the side surface of the periphery of the code adjusting wheel is provided with a first clamping groove, the movable sheet is installed below the code adjusting wheel and provided with an installation hole for the code adjusting wheel to pass through, the hole wall of the installation hole extends out of an unlocking part towards the first clamping groove, the unlocking part is abutted against the side surface of the periphery of the code adjusting wheel and the first clamping groove and the unlocking part are staggered when the code adjusting wheel is locked, and the unlocking part is arranged in the first clamping groove when the code adjusting wheel is unlocked;

the code adjusting piece is arranged below the movable piece and can slide along the lock shell, a code adjusting groove and a limiting groove communicated with the code adjusting groove are formed in the code adjusting piece, and the code adjusting groove and the limiting groove are arranged at intervals in the height direction and staggered in the horizontal direction;

when the code adjusting piece is positioned at a non-code adjusting position, the code adjusting wheel is positioned in the limiting groove, the code wheel and the code adjusting wheel are in a clamping state, and the code adjusting spring is in a compressed state;

when the code adjusting piece is located at the code adjusting position, the code adjusting wheel is located in the code adjusting groove, and the code adjusting spring is in an extending state and drives the code wheel and the code adjusting wheel to be separated in the height direction.

5. A combination lock for luggage according to claim 4, wherein: the side surface of the periphery of the code adjusting wheel is also provided with a second clamping groove which is opposite to the first clamping groove;

a limiting part extends upwards from the groove wall of the code adjusting groove, and the limiting part is arranged opposite to the limiting groove;

when the code adjusting piece is located at the code adjusting position, the limiting part is inserted into the second clamping groove.

6. The combination lock of claim 4, wherein: the bottom surface of the code adjusting piece is provided with two limiting grooves which are arranged at intervals along the sliding direction of the code adjusting piece, a protrusion extends upwards from the inner bottom surface of the lock shell, when the code adjusting piece is in a non-code adjusting position, the protrusion is placed in one of the limiting grooves, and when the code adjusting piece is in a code adjusting position, the protrusion is placed in the other limiting groove.

7. A combination lock for luggage as claimed in claim 6, wherein: and a deformation groove opposite to the protrusion is formed on the outer bottom surface of the lock shell.

8. The combination lock of claim 4, wherein: the movable sheet extends out of a clamping part towards the code adjusting sheet, and the code adjusting sheet is provided with a clamping groove for the clamping part to insert;

in an up-locking state, the clamping part props against the groove wall of the clamping groove to limit the code adjusting piece to slide;

in the unlocking state, the clamping part is separated from the clamping groove along the sliding direction of the code adjusting piece.

9. A combination lock for luggage as claimed in claim 1, wherein: the movable sheet extends towards the second opening to form a second clamping protrusion which is arranged in the second opening, and the second clamping protrusion and the movable sheet are arranged into an integrated structure; when the unlocking is carried out, the movable sheet slides to the unlocking position, and the second clamping protrusion passes through the second opening and is separated from the unlocking channel.

10. The combination lock for luggage according to claim 1, wherein: the second card protruding with the movable plate is split type structure, the movable plate orientation the spout has been seted up to second open-ended one side, the protruding one side of second card is put into in the spout, the second card is protruding can be followed the spout slides, the second card protruding with be equipped with between the cell wall of spout and order about the protruding gliding thrust spring of direction of locking of second card.

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