CN219220072U - Case coded lock - Google Patents

Abstract

The utility model discloses a case coded lock, which comprises a front shell, a back plate, a switch button, a turnover lock hook block, a translation lock hook block, a locking plate, a coded lock mechanism and a customs lock mechanism, wherein the back plate is installed on a back opening of the front shell in a covering manner, the translation lock hook block is installed on the back plate, the turnover lock hook block is installed on a panel of the front shell, a first lock hook is arranged at the free end of the turnover lock hook block, a second lock hook is arranged at the translation lock hook block, a lock block is arranged in the middle of the turnover lock hook block, a lock hole is formed at one end of the locking plate, the switch button is installed on the panel of the front shell, the customs lock mechanism is installed inside the switch button, the unlocking push block is abutted against the translation lock hook block, the coded lock mechanism is installed inside the front shell, and the translation part of the coded lock mechanism is abutted against the switch button. The utility model has the advantages of simple and compact structure, reasonable design, stable connection, difficult damage, good safety performance, convenient operation and strong practicability.

Description

Case coded lock

Technical Field

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

Background

People can carry the luggage to load in the trip process, in order to prevent luggage theft, need set up the trick lock on case and bag, the structure of current case and bag trick lock is comparatively fragile, like a case and bag trick lock of chinese patent disclosure (publication number: CN 210483310U), adopt to collude the piece and carry out spacingly to the latch hook in this patent technology, connect inadequately firmly, jolt for a long time or under the destruction of thief, the condition of unhooking appears easily, causes the loss of property, consequently need provide a firm in connection and convenient to use's case and bag trick lock.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides the coded lock for the luggage, which is characterized in that the locking piece is inserted into the shell, the locking piece is prevented from being pulled out of the shell by inserting the locking piece into and penetrating through the locking hole on the locking piece, the connection is stable and is not easy to damage, the locking piece is driven to turn through the turning locking hook piece, the locking piece and the locking hole are prevented from hooking after unlocking, the unlocking is convenient, the operation is convenient, the user experience is improved, and the practicability is strong.

In order to achieve the above object, the utility model provides a coded lock for a case, comprising a front shell, a back plate, a switch button, a turnover lock hook block, a translation lock hook block, a locking plate, a coded lock mechanism and a customs lock mechanism, wherein the back plate is arranged on a back opening of the front shell in a covering way, the translation lock hook block is arranged on the back plate in a translation way and is positioned in the front shell, a rotating connection end of the turnover lock hook block is rotatably arranged on the front shell through a rotating shaft, a first lock hook is convexly arranged at a free end of the turnover lock hook block towards a direction close to the back plate, a second lock hook is convexly arranged at one end of the translation lock hook block towards a direction close to a panel of the front shell, the first lock hook can be mutually hooked with the second lock hook when the turnover lock hook block is buckled inwards, a lock block is convexly arranged at the middle part of the turnover lock hook block towards a direction close to the back plate, a first jack is arranged at one side of the front shell close to the lock block, one end of the locking plate is inserted into the front shell through a first jack and positioned between the overturning locking hook block and the translation locking hook block, one end of the locking plate is provided with a locking hole, the locking block can be inserted into and pass through the locking hole when the overturning locking hook block is buckled inwards to realize the limit of the locking plate, the switch button is translatably arranged on a panel of the front shell, the customs lock mechanism is arranged in the switch button, the customs lock mechanism is provided with an unlocking push block, the other end of the translation locking hook block is provided with a baffle plate, the unlocking push block is abutted with one side surface of the baffle plate far away from the unlocking direction, the customs lock mechanism can drive the unlocking push block to rotate when being unlocked, thereby pushing the translation locking hook block to move towards the unlocking direction to realize unlocking, the password lock mechanism is arranged in the front shell and positioned on one side of the unlocking direction of the switch button, the translation part of the coded lock mechanism is abutted with one end of the switch button, when the coded lock mechanism is in a locking state, the translation part of the coded lock mechanism cannot move, so that the limit of the switch button is realized, when the coded lock mechanism is in an unlocking state, the translation part of the coded lock mechanism can move freely, and the switch button can drive the translation lock hook block to move towards the unlocking direction through the unlocking push block so as to realize unlocking.

As a preferred embodiment, the panel of the front shell is concavely provided with a mounting groove for mounting the turnover lock hook block, one side of the mounting groove is provided with a rotating hole for mounting the rotating shaft of the turnover lock hook block, the other side of the mounting groove is provided with a first through hole for inserting the first lock hook into the front shell, and the middle part of the mounting groove is provided with a second through hole for inserting the lock block into the front shell.

As the preferred implementation mode, still include release spring and reset spring, the one end of release spring is connected with the first spring connecting seat that the panel of preceding shell was protruding establishes, the other end of release spring is connected with the medial surface of upset latch hook piece, the first latch hook that release spring can drive upset latch hook piece outwards is kept away from the second latch hook, reset spring keeps parallel with translation latch hook piece's direction of movement, reset spring's one end is connected with the baffle side that is close to the unblock direction, reset spring's the other end is connected with the second spring connecting seat that the bulge was established on the backplate, reset spring can drive translation latch hook piece to be close to the direction removal of unblock ejector pad.

As the preferred implementation mode, the rotation link of upset latch hook piece is protruding to be equipped with the upset stopper to the direction that is close to the backplate, the inside of preceding shell is inserted to the third through-hole of seting up on the panel of preceding shell to the one end of upset stopper, the backplate is protruding to be equipped with the upset dog to the direction that is close to the panel of preceding shell, the one end of upset dog is located the travel path of the one end of upset stopper.

As a preferred implementation mode, a first guide inclined plane is arranged on the opposite end surfaces of the first lock hook and the second lock hook, a corresponding second guide inclined plane is arranged on the opposite end surfaces of the second lock hook and the first lock hook, a plurality of limiting hooks are arranged on the front surface of the backboard, and are arranged on the two sides of the translational lock hook block along the translational lock hook block translational direction, so that a mounting position for the translational lock hook block translational movement is formed, a plurality of connecting buckles are convexly arranged on the front surface of the backboard in the direction close to the front panel of the front shell, a plurality of connecting clamping grooves are formed in the side surface of the front shell, and each connecting buckle is clamped into the corresponding connecting clamping groove to realize the fixed connection of the front shell and the backboard.

As the preferred implementation mode, customs lock mechanism still includes lock shell and lock core, the inside at shift knob is installed to the lock shell, the inside at the lock shell is installed to the lock core, the one end of lock core is exposed to the outside by shift knob's front for corresponding key to insert, the other end of lock core inwards stretches into the inside of preceding shell, the unblock ejector pad is installed on the other end of lock core, the lock core can drive the unblock ejector pad and rotate when the unblock.

As the preferred implementation mode, cipher lock mechanism includes at least one cipher wheel overcoat, at least one cipher wheel endotheca, shaft and cipher adjusting spring, set up at least one cipher wheel hole that supplies cipher wheel overcoat to expose to the outside on the panel of preceding shell, the both inner side in cipher wheel hole contacts with cipher wheel overcoat's both sides face respectively in order to realize spacing to cipher wheel overcoat, cipher wheel endotheca establishes on the shaft, cipher wheel endotheca's head end is located the position that is close to the head end of shaft, cipher adjusting spring cover establishes on the shaft and is located between the head end of shaft and the head end of cipher wheel endotheca that is close to the head end of shaft, cipher wheel endotheca and the head end of shaft are kept away from each other in order to realize the reset of shaft, cipher wheel endotheca's head end inwards protruding is equipped with the lug, be equipped with at least one and supply the lug round the rotation groove of shaft rotation, be equipped with the translation groove that supplies the lug to remove along the axial direction of shaft on the shaft, cipher wheel endotheca's internal surface is equipped with a plurality of card tooth and is equipped with radial a plurality of card end, thereby a plurality of cipher wheel endotheca and cipher wheel endotheca are arranged on the radial outer sleeve and cipher wheel, a plurality of card tooth diameter is realized and cipher wheel endotheca is arranged on the cipher wheel endotheca.

As the preferred implementation mode, code adjusting mechanism still includes the code adjusting mechanism, the code adjusting mechanism includes the code adjusting press slider and the code adjusting push out sliding sleeve, the code adjusting press slider and the code adjusting push out sliding sleeve are all installed in the spout of seting up in the inside of preceding shell in a translationally, set up the code adjusting hole that is used for pressing the code adjusting press slider on the panel of preceding shell, the marginal position of the head end of code wheel endotheca is equipped with the flange, the code adjusting spring can drive the head end of code wheel endotheca and shaft and keep away from each other to make the flange of code wheel endotheca contact with the one end that the inner card tooth of code wheel overcoat is close to the head end of shaft, the code adjusting push out sliding sleeve cover is established at the afterbody end of shaft, the afterbody end of code wheel endotheca stretches out outside by the other end of code wheel overcoat and contacts with the head end of another code adjusting push out sliding sleeve, the one end that the code adjusting press slider is close to be equipped with by the first contact inclined plane of shaft end inwards to the afterbody end, one end that the code adjusting push out sliding sleeve is equipped with by the first inclined inwards from the head end of shaft contacts with the second inclined plane of the afterbody end.

As the preferred implementation mode, the coded lock mechanism further comprises at least one positioning spring piece, one end of the positioning spring piece is arranged on the back plate, the other end of the positioning spring piece extends towards the direction of the coded wheel outer sleeve and is contacted with the outer surface of the coded wheel outer sleeve, and a plurality of positioning grooves for clamping the positioning spring piece are further concavely formed in the outer surface of the coded wheel outer sleeve.

The card holder further comprises a rear shell, wherein the rear shell wraps the outer portion of the back of the front shell, and a second inserting hole for inserting the card is formed in the rear shell.

Compared with the prior art, the utility model has the beneficial effects that:

the lock has the advantages that the lock is simple and compact in structure and reasonable in design, two unlocking modes of customs key unlocking and password unlocking are provided, meanwhile, the lock plate is inserted into the shell, the lock plate is prevented from being pulled out of the shell by inserting the lock plate and penetrating through the lock hole in the lock plate, the connection is stable and is not easy to damage, the lock plate is driven to turn through the turning lock hook block, hooking of the lock plate and the lock hole after unlocking can be avoided, unlocking is facilitated, the operation is convenient, user experience is improved, and the practicability is high.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a coded lock for a case and bag according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a combination lock for a case and bag according to an embodiment of the present utility model;

FIG. 3 is a schematic view of the front shell according to an embodiment of the present utility model;

FIG. 4 is a schematic structural diagram of a back plate according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram II (front shell is omitted) of a coded lock for a case and bag according to an embodiment of the present utility model;

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

FIG. 7 is a partial enlarged view at B in FIG. 5;

FIG. 8 is a partial enlarged view I of a combination lock for a suitcase according to an embodiment of the present utility model;

FIG. 9 is a second enlarged view of a portion of a combination lock for a suitcase according to an embodiment of the present utility model;

FIG. 10 is an exploded view of a combination lock mechanism provided by an embodiment of the present utility model;

FIG. 11 is an enlarged view of a portion of a combination lock mechanism provided by an embodiment of the present utility model;

FIG. 12 is a third enlarged view of a portion of a combination lock for a case, according to an embodiment of the present utility model;

fig. 13 is a partial cross-sectional view of a combination lock mechanism provided by an embodiment of the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, an embodiment of the present utility model provides a combination lock for a case, which includes a front case 1, a back plate 2, a switch button 3, a translational lock hook block 5, a flip lock hook block 4, a lock plate 6, a combination lock mechanism 8, and a customs lock mechanism 9, and the following detailed description of each component of the embodiment is given with reference to the accompanying drawings.

As shown in fig. 1 to 4, the back plate 2 is installed on the back opening of the front shell 1 in a covering manner, in a specific implementation, a plurality of connection buckles 24 are convexly arranged in the direction of the front surface of the back plate 2, which is close to the front surface of the front shell 1, and a plurality of connection clamping grooves 13 are also formed in the periphery of the front shell 1, and in an installation process, the plurality of connection buckles 24 are clamped into the corresponding connection clamping grooves 13 respectively, so that the front shell 1 and the back plate 2 can be fixedly connected, and the connection is convenient and quick.

As shown in fig. 2, the front surface of the back plate 2 is provided with a plurality of limiting hooks 23, the plurality of limiting hooks 23 are arranged on two sides of the translational lock hook block 5 along the translational direction of the translational lock hook block 5, so that the translational lock hook block 5 can be translatably installed in an installation position formed by the plurality of limiting hooks 23, a panel of the front shell 1 is concavely provided with an installation groove 12, one side of the installation groove 12 is provided with a rotation hole 121, a rotation connecting end of the turnover lock hook block 4 is provided with a rotation shaft 44, the rotation shaft 44 is installed in the rotation hole 121, so that the turnover lock hook block 4 can rotate around the rotation shaft 44, a free end of the turnover lock hook block 4 is convexly provided with a first lock hook 41 towards a direction close to the back plate 2, one end of the translational lock hook block 5 is convexly provided with a second lock hook 51 towards a panel of the front shell 1, the first through hole 122 formed in the installation groove 12 can extend into the interior of the front shell 1 to be mutually hooked with the second lock hook 51, preferably, a first guide inclined surface 411 can be arranged on an end surface of the first lock hook 41 opposite to the second lock hook 51, and a corresponding guide inclined surface 41 can be conveniently buckled with the second inclined surface 41 when the second lock hook 41 is mutually connected with the corresponding first inclined surface 41.

As shown in fig. 1 to 7, the middle part of the flip latch block 4 is further provided with a locking piece 42 protruding towards the direction close to the backboard 2, and the side of the front shell 1 close to the insertion block is provided with a first insertion hole 11, so that one end of the locking piece 6 can be inserted into the front shell 1 through the first insertion hole 11 and located between the flip latch block 4 and the translational latch block 5, one end of the locking piece 6 is provided with a locking hole 61, and when the flip latch block 4 is fastened inwards, the locking piece 42 can be inserted into and pass through the locking hole 61 of the locking piece 6 to limit the locking piece 6.

Preferably, the turning limiting block 43 can be convexly arranged at the rotating connection end of the turning locking hook block 4 towards the direction close to the back plate 2, one end of the turning limiting block 43 extends into the front shell 1 through a third through hole 124 formed in the mounting groove 12, meanwhile, the turning stop block 22 is convexly arranged at the front surface of the back plate 2 towards the direction close to the panel of the front shell 1, one end of the turning stop block 22 is located in the moving path of one end of the turning limiting block 43, and the turning locking hook block 4 can be stopped after being turned to a certain angle, so that the turning locking hook block is convenient to use.

In a specific implementation, a push-out spring 45 may be further disposed between the flip latch block 4 and the front shell 1, one end of the push-out spring 45 is connected with a first spring connection seat 125 protruding in the mounting groove 12 of the front shell 1, the other end of the push-out spring 45 is connected with an inner side surface of the flip latch block 4, and the push-out spring 45 may drive the first latch hook 41 of the flip latch block 4 to flip outwards and away from the second latch hook 51.

As shown in fig. 1 to 9, the switch button 3 is translatably mounted on a panel of the front case 1, the customs lock mechanism 9 is mounted inside the switch button 3, in this embodiment, the customs lock mechanism 9 includes a lock case 91, a lock cylinder 92 and an unlocking push block 93, the lock case 91 is mounted inside the switch button 3, the lock cylinder 92 is mounted inside the lock case 91, one end of the lock cylinder 92 is exposed to the outside by the front of the switch button 3 for inserting a corresponding key, the other end of the lock cylinder 92 is inwardly extended into the front case 1, the unlocking push block 93 is mounted on the other end of the lock cylinder 92, the unlocking push block 93 can be driven to rotate after the key is inserted into the unlocking lock cylinder 92, the other end of the translational lock hook block 5 is provided with a baffle 52, the unlocking push block 93 is contacted with a side surface of the baffle 52 away from the unlocking direction, and when the unlocking push block 93 rotates, the second lock hook 51 of the translational lock 5 can be driven to move leftwards to unhook the first lock hook 41 of the flip lock hook block 4, so as to unlock the coded lock.

In particular, any existing customs lock may be used for the customs lock mechanism 9.

Preferably, a reset spring 53 is further arranged between the translational lock hook block 5 and the backboard 2, the moving direction of the reset spring 53 and the translational lock hook block 5 is kept parallel, one end of the reset spring 53 is connected with one side surface of the baffle plate 52 close to the unlocking direction, the other end of the reset spring 53 is connected with a second spring connecting seat 21 convexly arranged on the backboard 2, and the reset spring 53 can drive the translational lock hook block 5 to move rightwards to reset after unlocking the coded lock and drive the unlocking push block 93 to rotate so as to reset the customs lock mechanism 9.

As shown in fig. 10 to 13, the combination lock mechanism 8 is mounted inside the front case 1 and is located at one side of the unlocking direction of the switch button 3, in this embodiment, the combination lock mechanism 8 includes three combination wheel jackets 81, three combination wheel jackets 82, an axle 83 and a combination spring 843, three annular rotating grooves 831 and a translational groove 832 arranged along the axial direction of the axle 83 are formed on the axle 83, three wheel holes 14 for exposing the combination wheel jackets 81 to the outside are formed on the panel of the front case 1, two inner side surfaces of the three wheel holes 14 are respectively contacted with two side surfaces of the corresponding combination wheel jackets 81 to realize the limit of the combination wheel jackets 81, the inner surface of the head end of the combination wheel jackets 82 is provided with a protruding block 822 inwards, the outer surface of the head end of the combination wheel jackets 82 is provided with a plurality of radially arranged outer locking teeth 821, the inner surface of the combination wheel jackets 81 is provided with a plurality of radially arranged inner locking teeth 811, the three cipher wheel inner sleeves 82 are sequentially sleeved on the wheel shaft 83 in a head-to-tail mode, the head ends of the three cipher wheel inner sleeves 82 are all positioned close to the head end of the wheel shaft 83, the code adjusting spring 843 is sleeved on the wheel shaft 83 and positioned between the head end of the wheel shaft 83 and the head end of the cipher wheel inner sleeve 82 close to the head end of the wheel shaft 83, the three cipher wheel outer sleeves 81 are respectively sleeved on the head ends of the corresponding cipher wheel inner sleeves 82, so that the plurality of inner clamping teeth 811 and the plurality of outer clamping teeth 821 can be mutually meshed and clamped, synchronous rotation of the cipher wheel outer sleeves 81 and the cipher wheel inner sleeves 82 is realized, the head end of the wheel shaft 83 is abutted against one side of the switch button 3, and when the cipher wheel is in an error position, the three protruding blocks 822 are abutted against the inner walls of the corresponding rotating grooves 831, so that the wheel shaft 83 cannot move leftwards, when unlocking is needed, the protruding blocks 822 of the password wheel inner sleeve 82 can be driven to rotate along the corresponding rotating grooves 831 by rotating the password wheel outer sleeve 81, after the three password wheels are all dialed to the correct positions, the three protruding blocks 822 are aligned with the translation grooves 832, at the moment, the wheel axle 83 can be driven to move leftwards by pressing the switch button 3, so that the unlocking push block 93 can push the translation lock hook block 5 to move leftwards, the password lock is unlocked, and finally the wheel axle 83 is reset under the drive of the password adjusting spring 843.

Preferably, the code lock mechanism 8 further comprises a code adjusting mechanism 84, the code adjusting mechanism 84 comprises a code adjusting pressing sliding block 841 and a code adjusting pushing sliding sleeve 842, the code adjusting pressing sliding block 84 and the code adjusting pushing sliding sleeve 842 are both arranged in a sliding groove 16 formed in the front shell 1 in a translational manner, a code adjusting hole 15 for pressing the code adjusting pressing sliding block 841 is formed in a panel of the front shell 1, flanges 823 are formed at edge positions of head ends of the three code wheel inner sleeves 82, the code adjusting springs 843 can drive the three code wheel inner sleeves 82 to move in a direction away from the head ends of the wheel shafts 83, each flange 823 is in contact with one end, close to the head ends of the wheel shafts 83, of the inner clamping teeth 811 of the corresponding code wheel outer sleeve 81, of each flange 823 extends out of the sliding groove 16, and is in contact with the head ends of the next code wheel inner sleeve 82 or is in contact with the code adjusting pushing sliding sleeve 842, one end, which is provided with a first inclined surface 841 which is inclined inwards from the head ends of the wheel shafts 83, and a second inclined surface 841 which is inclined inwards from the head ends 841 of the wheel shafts 83, and a second inclined surface 8421 which is contacted with the first inclined surface 8421 which is arranged inwards from the end of the code adjusting sliding sleeve 8483.

When the coded lock mechanism 8 is in an unlocking state, the code adjusting pressing sliding block 841 is pressed to enable the code adjusting pressing sliding block 841 to move inwards, the code adjusting pushing sliding sleeve 842 is driven to move towards the direction of the head end close to the wheel shaft 83, and therefore the three coded wheel inner sleeves 82 are driven to move towards the direction of the head end close to the wheel shaft 83, the three coded wheel outer sleeves 81 are staggered with the head ends of the corresponding coded wheel inner sleeves 82 respectively, synchronous rotation with the coded wheel inner sleeves 82 is relieved, at the moment, the codes can be changed by rotating the coded wheel outer sleeves 81, after modification is completed, the code adjusting pressing sliding block 841 is loosened, and the three coded wheel inner sleeves 82 are reset under the driving of the code adjusting springs 843, so that code changing can be completed.

As shown in fig. 2 and 11, three positioning elastic pieces 85 may be further disposed, in the implementation, one ends of the three positioning elastic pieces 85 are respectively mounted on the back plate 2, and the other ends of the three positioning elastic pieces 85 are respectively in contact with the outer surfaces of the corresponding password wheel jackets 81, preferably, a plurality of positioning slots 812 for the positioning elastic pieces 85 to be clamped in are concavely disposed on the outer surfaces of the password wheel jackets 81, so that the password wheel jackets 81 can be prevented from being misplaced during stirring to affect use, and use experience is optimized.

Preferably, the rear shell 7 can be further arranged, the rear shell 7 is wrapped outside the back of the front shell 1, and the second jack 71 for inserting the card is formed in the rear shell 7, so that the structural strength of the coded lock can be further improved, and the coded lock is not easy to damage.

In summary, the lock has the advantages of simple and compact structure, reasonable design, convenient unlocking, convenient operation, improvement of user experience and strong practicability, has two unlocking modes of customs key unlocking and password unlocking, simultaneously adopts the locking plate to be inserted into the shell, adopts the locking plate to be inserted into and penetrate through the locking hole on the locking plate to prevent the locking plate from being pulled out of the shell, is stable in connection and not easy to damage, and can prevent the locking plate and the locking hole from hooking after unlocking by turning the locking plate to drive the locking plate to turn.

The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides a case and bag trick lock which characterized in that: including preceding shell (1), backplate (2), shift knob (3), upset latch hook piece (4), translation latch hook piece (5), locking plate (6), trick lock mechanism (8) and customs lock mechanism (9), backplate (2) cover install on the back opening of preceding shell (1), translation latch hook piece (5) are installed on backplate (2) and are located the inside of preceding shell (1) in translation, the rotation link of upset latch hook piece (4) is rotatably installed on preceding shell (1) through axis of rotation (44), the free end of upset latch hook piece (4) is protruding to be equipped with first latch hook (41) to the direction that is close to backplate (2), the protruding second latch hook (51) that are equipped with of direction that is close to the panel of preceding shell (1) of one end of translation latch hook piece (5), first latch hook (41) can be inwards detained with second latch hook (51) when being detained with upset latch hook piece (4), the protruding orientation that is close to backplate (2) in the middle part of upset latch hook piece (4), the protruding is equipped with of orientation that is close to backplate (42) of being equipped with of a preceding shell (1), one side (42), one end of the locking plate (6) is inserted into the front shell (1) through the first jack (11) and is positioned between the turnover locking hook block (4) and the translation locking hook block (5), a locking hole (61) is formed in one end of the locking plate (6), the locking block (42) can be inserted into and penetrate through the locking hole (61) when the turnover locking hook block (4) is buckled inwards to limit the locking plate (6), the switch button (3) is translatably arranged on a panel of the front shell (1), the customs locking mechanism (9) is arranged in the switch button (3), an unlocking push block (93) is arranged on the customs locking mechanism (9), a baffle plate (52) is arranged at the other end of the translation locking hook block (5), the unlocking push block (93) is abutted against one side surface of the baffle plate (52) far away from the unlocking direction, and the customs locking mechanism (9) can drive the unlocking push block (93) to rotate so as to push the translation locking hook block (5) to move towards the unlocking direction, the cipher locking mechanism (8) is arranged in the front shell (1) and is positioned in the front of the switch button (8) and is in a position (8) which can not move, and the cipher locking mechanism (8) can not move in the translation locking mechanism (8) in the translation direction, therefore, the limit of the switch button (3) is realized, when the coded lock mechanism (8) is in an unlocking state, the translation part of the coded lock mechanism (8) can move freely, so that the switch button (3) can drive the translation lock hook block (5) to move towards the unlocking direction through the unlocking push block (93) to realize unlocking.

2. A combination lock for luggage as claimed in claim 1, wherein: the panel of preceding shell (1) is concave to be equipped with installation recess (12) that are used for installing upset latch hook piece (4), one side of installation recess (12) is equipped with rotation hole (121) that are used for installing axis of rotation (44) of upset latch hook piece (4), the opposite side of installation recess (12) is equipped with first through-hole (122) that supply first latch hook (41) to insert preceding shell (1) inside, second through-hole (123) that supply latch piece (42) to insert preceding shell (1) inside are seted up at the middle part of installation recess (12).

3. A combination lock for luggage as claimed in claim 1, wherein: the novel lock comprises a back plate (2), and is characterized by further comprising a push-out spring (45) and a return spring (53), wherein one end of the push-out spring (45) is connected with a first spring connecting seat (125) protruding on the panel of the front plate (1), the other end of the push-out spring (45) is connected with the inner side surface of the overturning lock hook block (4), the push-out spring (45) can drive the first lock hook (41) of the overturning lock hook block (4) to outwards overturn and keep away from the second lock hook (51), the return spring (53) is parallel to the moving direction of the translation lock hook block (5), one end of the return spring (53) is connected with one side surface of the baffle plate (52) close to the unlocking direction, and the other end of the return spring (53) is connected with the second spring connecting seat (21) protruding on the back plate (2), and the return spring (53) can drive the translation lock hook block (5) to move towards the direction close to the unlocking push block (93).

4. A combination lock for luggage as claimed in claim 1, wherein: the utility model discloses a turnover lock hook block, including backplate (1), backplate (2), upset latch hook block (4), upset latch block (22) are protruding to be equipped with in the direction that is close to backplate (2) to the rotation link, the one end of upset latch block (43) inwards inserts inside preceding shell (1) by third through-hole (124) of seting up on the panel of preceding shell (1), backplate (2) are protruding to be equipped with upset dog (22) in the direction that is close to the panel of preceding shell (1), the one end of upset dog (22) is located the travel path of the one end of upset latch block (43).

5. A combination lock for luggage as claimed in claim 1, wherein: the front side of the back plate (2) is provided with a plurality of limiting hooks (23), the limiting hooks (23) are arranged on two sides of the translation latch hook block (5) along the translation direction of the translation latch hook block (5), so that an installation position for translation latch hook block (5) is formed, a plurality of connecting buckles (24) are convexly arranged on the front side of the back plate (2) towards the direction of the panel close to the front shell (1), a plurality of connecting clamping grooves (13) are formed in the side face of the front shell (1), and each connecting buckle (24) is clamped into the corresponding connecting clamping groove (13) to realize the fixed connection of the front shell (1) and the back plate (2).

6. A combination lock for luggage as claimed in claim 1, wherein: the customs lock mechanism (9) further comprises a lock shell (91) and a lock cylinder (92), the lock shell (91) is arranged in the lock shell (91), the lock cylinder (92) is arranged in the lock shell (91), one end of the lock cylinder (92) is exposed to the outside by the front of the lock button (3) for inserting a corresponding key, the other end of the lock cylinder (92) inwards extends into the front shell (1), the unlocking push block (93) is arranged at the other end of the lock cylinder (92), and the lock cylinder (92) can drive the unlocking push block (93) to rotate when being unlocked.

7. A combination lock for luggage as claimed in claim 1, wherein: the coded lock mechanism (8) comprises at least one coded wheel jacket (81), at least one coded wheel inner sleeve (82), a wheel shaft (83) and a code adjusting spring (843), at least one coded wheel hole (14) for exposing the coded wheel jacket (81) to the outside is formed in a panel of the front shell (1), two inner side surfaces of the coded wheel hole (14) are respectively contacted with two side surfaces of the coded wheel jacket (81) to limit the coded wheel jacket (81), the coded wheel inner sleeve (82) is sleeved on the wheel shaft (83), the head end of the coded wheel inner sleeve (82) is positioned close to the head end of the wheel shaft (83), the code adjusting spring (843) is sleeved on the wheel shaft (83) and positioned between the head end of the wheel shaft (83) and the head end of the coded wheel inner sleeve (82) close to the head end of the wheel shaft (83), the code adjusting spring (843) can drive the head ends of the coded wheel shaft (82) and the coded wheel inner sleeve (83) to be mutually far away so as to realize limit the coded wheel jacket (81), the head end of the coded wheel inner sleeve (83) is provided with at least one lug (822) which is provided with a lug groove (822) for rotating around the head end of the wheel shaft (83), the utility model discloses a cipher wheel is characterized in that a translation groove (832) for a lug (822) to move along the axial direction of the wheel axle (83) is formed in the wheel axle (83), a plurality of radially arranged inner clamping teeth (811) are formed in the inner surface of the cipher wheel outer sleeve (81), a plurality of radially arranged outer clamping teeth (821) are formed in the outer surface of the head end of the cipher wheel inner sleeve (82), the cipher wheel outer sleeve (81) is sleeved on the head end of the cipher wheel inner sleeve (82) so that the plurality of inner clamping teeth (811) and the plurality of outer clamping teeth (821) are meshed and clamped with each other, and synchronous rotation of the cipher wheel outer sleeve (81) and the cipher wheel inner sleeve (82) is achieved.

8. A combination lock for luggage as claimed in claim 7, wherein: the code lock mechanism (8) further comprises a code adjusting mechanism (84), the code adjusting mechanism (84) comprises a code adjusting pressing sliding block (841) and a code adjusting pushing sliding sleeve (842), the code adjusting pressing sliding block (841) and the code adjusting pushing sliding sleeve (842) are translatably arranged in a sliding groove (16) formed in the front shell (1), a code adjusting hole (15) for pressing the code adjusting pressing sliding block (841) is formed in a panel of the front shell (1), a flange (823) is arranged at the edge position of the head end of the code wheel inner sleeve (82), the code adjusting spring (843) can drive the head end of the code wheel inner sleeve (82) and the head end of the wheel shaft (83) to be far away from each other, so that the flange (823) of the code wheel inner sleeve (82) is contacted with one end of an inner clamping tooth (811) of the code wheel outer sleeve (81) close to the head end of the wheel shaft (83), the code adjusting pushing sliding sleeve (842) is sleeved on the tail end of the wheel shaft (83), the tail end of the code wheel inner sleeve (82) is connected with the other end of the code wheel inner sleeve (841) which is contacted with the head end of the wheel inner sleeve (83) from the other end of the code adjusting inner sleeve (841) in an inclined mode, one end of the code adjustment push-out sliding sleeve (842) far away from the wheel axle (83) is provided with a second contact inclined surface (8421) which is inclined inwards from the head end of the wheel axle (83) to the tail end, and the first contact inclined surface (8411) is contacted with the second contact inclined surface (8421).

9. A combination lock for luggage as claimed in claim 7, wherein: the coded lock mechanism (8) further comprises at least one positioning elastic piece (85), one end of the positioning elastic piece (85) is arranged on the back plate (2), the other end of the positioning elastic piece (85) extends towards the direction of the coded wheel outer sleeve (81) and is contacted with the outer surface of the coded wheel outer sleeve (81), and a plurality of positioning grooves (812) for clamping the positioning elastic piece (85) are concavely formed in the outer surface of the coded wheel outer sleeve (81).

10. A combination lock for luggage as claimed in claim 1, wherein: the novel card reader is characterized by further comprising a rear shell (7), wherein the rear shell (7) is wrapped outside the back of the front shell (1), and a second jack (71) for inserting a card is formed in the rear shell (7).

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