CN219387561U - Case coded lock - Google Patents

Abstract

The utility model relates to the technical field of locks, in particular to a combination lock for luggage, comprising a lock case, a locking mechanism located in the lock case, and a pendulum knob assembly that drives the locking mechanism to be unlocked. The pendulum knob component includes a rotating shaft fixed in the lock case, a pendulum body that can swing around the shaft, and a clutch block interspersed in the pendulum body. The clutch block is set on the outer peripheral side of the rotating shaft; Block motion constraints. Compared with the prior art, the switch for opening the lock is provided as a swing knob assembly, which unlocks the lock through a swinging motion, which has a better operating feel and a simpler and more compact structure.

Description

A combination lock for luggage

technical field

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

Background technique

Refer to the patent document whose application number is CN202122085761X, which discloses a combination lock for luggage, including an upper cover, which is provided with a push button chute, and a push button that can slide along the push button chute is arranged in the push button chute. In order to facilitate the user to operate the push button, the push button generally has a part of protrusions, and the raised part of the push button is higher than the top surface of the upper cover. This design will affect the aesthetics of the entire combination lock, and because the push button is embedded in the push button chute, there is a certain space between the push button and the groove wall of the push button chute. This space is easy to store dirt and dust, and it is very difficult to clean.

Refer to the patent document with the application number CN2020217722504, which discloses a fixed lock for luggage, including a bottom shell and a face shell fixed to the bottom shell, and the face shell is provided with a button that can move up and down elastically. The button of this kind of lock is flush with the top surface of the face shell, and there will be no large dust storage gap, but the button of this type of lock can only control the movement of one set of shackles. In the face of a lock with multiple sets of shackles, it is necessary to set multiple buttons to control the movement of one set of shackles respectively, which has the problems of complex structure and troublesome use.

Utility model content

The purpose of the utility model is to provide a combination lock for luggage in view of the deficiencies in the prior art. The combination lock can solve the technical problems of complex structure and troublesome use in the past.

The purpose of this utility model is achieved through the following technical solutions: the application provides a combination lock for luggage, including a lock housing, a locking mechanism located in the lock housing, and a swing knob assembly that drives the lock mechanism to unlock. The swing knob assembly includes a rotating shaft fixed in the lock housing, a swing knob body that can swing around the rotation shaft, and a clutch block inserted in the swing knob body. The clutch block is sleeved on the outer peripheral side of the rotation shaft; Movement restrictions on clutch blocks.

Wherein, the locking mechanism includes at least one lock hook rotatably installed in the lock housing, and a movable part for abutting against the lock hook to realize unlocking. The lock housing is also provided with a combination wheel assembly. The end of the pendulum is inserted into the slot of the clutch block so that the body of the pendulum knob cannot rotate around the shaft to realize locking; when the password is correct, the wheel shaft can move telescopically, the body of the pendulum knob rotates around the shaft and drives the clutch block to rotate around the shaft, the wheel shaft is pushed back during the rotation of the clutch block, and the body of the pendulum knob pushes the wedge-shaped part of the movable part so that the movable part drives the lock hook to unlock.

Wherein, the wedge-shaped portion is provided with at least one wedge-shaped surface, and the bottom surface of the pendulum knob body extends toward the wedge-shaped surface, and an unlocking portion abuts against the wedge-shaped surface.

Wherein, the wedge-shaped part is provided with two symmetrical wedge-shaped surfaces, the inclination direction of the first wedge-shaped surface is opposite to that of the second wedge-shaped surface, and at least two unlocking parts are provided on the swing button body, the first unlocking part corresponds to the first wedge-shaped surface, and the second unlocking part corresponds to the second wedge-shaped surface;

Wherein, two groups of locking hooks are arranged in the lock housing, and the movable part is provided with a first unlocking mechanism for unlocking the first group of locking hooks and a second unlocking mechanism for driving the unlocking of the second group of locking hooks; when the movable part slides to the right, the movable part unlocks the first group of locking hooks through the first unlocking mechanism;

Wherein, the lock housing is also provided with a lock cylinder assembly, the lock cylinder assembly is located on the right side of the swing button assembly, and the password wheel assembly is located on the left side of the swing knob assembly; the lock cylinder assembly includes a lock cylinder body rotatably installed in the lock housing, and the lock cylinder body extends toward the swing button assembly and a stopper that abuts against the clutch block, and the clutch block extends toward the stopper a card protrusion that abuts against the block block; Rotate, after the stop block rotates, it will be separated from the locking protrusion of the clutch block, so as to release the rotation restriction on the clutch block.

Wherein, the swing knob body is provided with a chute along the length direction of the lock case, and the clutch block is interspersed in the chute, and the clutch block can slide along the chute toward the length direction of the lock case; the middle part of the clutch block is provided with a long hole along the length direction of the lock case, and the rotating shaft is passed through the long hole, and the rotating shaft can slide in the long hole.

Wherein, the end surface of the block facing the clutch block is an arc surface.

Wherein, the password wheel assembly also includes a return spring, and the return spring is sheathed on the outer peripheral side of the wheel shaft.

Wherein, the cross-sectional shape of the card slot is arranged in a V shape, and the end of the wheel shaft facing the card slot is arranged in a V shape.

Wherein, the left and right sides of the top surface of the swing button body are provided with upwardly protruding elastic protrusions.

The luggage combination lock of the utility model has the following beneficial effects:

(1) By setting the switch for opening the lock as a swing button assembly, the swing button assembly unlocks the lock through a swinging movement mode, which has a good operating feel and a simpler and more compact structure. In addition, the swing button body can swing in different directions, thereby controlling different groups of shackles to unlock.

(2) The gap between the swing button body and the lock case is small, which reduces the hiding of stains or dust, makes the lock more beautiful as a whole, and the layout design of the lock is reasonable, which solves the problem of complex structure in the past.

Description of drawings

Utilize accompanying drawing to further illustrate the utility model, but the embodiment in the accompanying drawing does not constitute any restriction to the utility model, for those of ordinary skill in the art, under the premise of not paying creative work, can also obtain other accompanying drawing according to following accompanying drawing.

Fig. 1 is a schematic structural view of the multi-layer case and bag in this embodiment.

Fig. 2 is a structural schematic diagram of the combination lock for luggage in this embodiment.

Fig. 3 is an exploded view of the luggage combination lock in this embodiment.

Fig. 4 is an exploded view of the first unlocking mechanism in this embodiment.

Fig. 5 is a schematic structural diagram of the movable part in this embodiment.

Fig. 6 is an exploded view of the pendulum assembly in this embodiment.

FIG. 7 is an internal structure diagram of the combination lock in the locked state in this embodiment.

Fig. 8 is an internal structural diagram of the combination lock in the unlocked state of the combination wheel assembly in this embodiment.

Fig. 9 is an internal structural diagram of the combination lock in the unlocked state of the lock cylinder assembly in this embodiment.

Fig. 10 is a schematic structural diagram of the second unlocking mechanism in this embodiment.

Fig. 11 is an exploded view of the second unlocking mechanism in this embodiment.

Reference signs: first box body 1, USB socket module 10, lock case 2, face shell 21, bottom plate 22, connection cover 23, base 24, cover plate 25, swing button assembly 3, swing button body 31, first unlocking part 311, second unlocking part 312, chute 313, elastic protrusion 314, clutch block 32, card slot 321, card protrusion 322, elongated hole 323, rotating shaft 33, password wheel assembly 4, wheel shaft 41, Return spring 42, lock cylinder assembly 5, lock cylinder body 51, stopper 52, first unlocking mechanism 6, first lock block 61, unlocking groove 62, projection 63, first slope 64, first lock hook 71, hook portion 711, clamping portion 712, second lock hook 72, movable part 8, wedge-shaped portion 81, first wedge-shaped surface 82, second wedge-shaped surface 83, second slope 84, toggle portion 85, second unlocking mechanism 9, lock tongue 90, through hole 90 1. The movable piece 91 , the locking hole 911 , the pushing part 912 , the second locking block 92 , the first swing arm 921 , and the second swing arm 922 .

Detailed ways

The utility model is further described in conjunction with the following examples.

The embodiment of a kind of suitcase combination lock of the present utility model, present embodiment is described with the zipper combination lock that can be applied to multilayer suitcase as example, as shown in Figure 1, multilayer suitcase has first box body 1 and second box body (not shown), and first box body 1 and second box body are fastened by zipper strip, and the front end face of first box body 1 is provided with interlayer, and interlayer place is provided with the front cover plate (not shown) that is located on the first box body 1, and the end face of front cover plate toward first box body 1 is affixed with the deadbolt 9 that buckles with lockset 0.

2 and 3, the combination lock for luggage includes a lock case 2, and the lock case 2 includes a face case 21, a connection cover 23 fixedly installed on the bottom surface of the face case 21, a base 24 fixedly installed on the bottom surface of the connection cover 23, and a base plate 22 fixedly connected to the face case 21 in the connection cover 23. Specifically, the face shell 21 is affixed to the bottom plate 22 through a buckle structure, and the lower part of the face shell 21 is placed inside the connecting cover 23 together with the bottom plate 22, the face shell 21 is fixed to the base 24 through screws, and the connecting cover 23 is also fixed to the base 24 through screws. In addition, in order to facilitate users to charge or supply power to their mobile electronic devices, the face shell 21 is provided with a USB socket module 10. It should be noted that the USB socket module 10 is provided with a power supply terminal and a charging terminal.

2 to 5, the luggage combination lock of the present embodiment also includes a locking mechanism and a swing button assembly 3 installed in the lock housing 2. The luggage combination lock suitable for multi-layer structure luggage is used as an example for illustration. The locking mechanism of the luggage combination lock includes two sets of lock hooks, one set of lock hooks can be used to lock the zipper piece of the zipper strip, and the other set of lock hooks can be used to lock the front cover of the box compartment. In addition, in order to realize multiple ways of unlocking, the locking mechanism also includes a password wheel assembly 4 and a lock cylinder assembly 5 located in the lock case 2, which can be unlocked by a password or by a key. The locking mechanism also includes a movable part 8 for abutting against the locking hook to realize unlocking, a first unlocking mechanism 6 and a second unlocking mechanism 9. The swing button assembly 3 is used to drive the movable part 8 to slide to the left (first unlocking direction) or to the right (second unlocking direction).

In this embodiment, with reference to FIGS. 2 to 4 , two lock holes are provided on the top surface of the face shell 21, and a first lock hook 71 rotatably installed in the face shell 21 is provided in each lock hole, and an elastic member that drives the first lock hook 71 to turn toward the locked state is provided between the first lock hook 71 and the face shell 21. In order to realize the anti-theft function, the movable part 8 abuts against the first locking hook 71 through the first unlocking mechanism 6 to realize locking. In order to facilitate assembly and protect the first unlocking mechanism 6 , with reference to FIG. 3 , a cover plate 25 covering the first unlocking mechanism 6 is also provided in the lock case 2 , and the cover plate 25 is pressed and fixed with the face shell 21 . The first unlocking mechanism 6 includes two first lock blocks 61, each first lock block 61 is matched with a first lock hook 71, the two first lock blocks 61 are installed in the cover plate 25, and each first lock block 61 can slide in the cover plate 25 along the length direction perpendicular to the face shell 21, and the top surface of the cover plate 25 extends upwards to a pair of mounting ears, and the two sides of the first lock hook 71 extend outward. The cover plate 25 supports the first lock hook 71 , and the first lock hook 71 can rotate relative to the lock case 2 .

Please refer to FIG. 4 , the first locking hook 71 includes a hook portion 711 and a holding portion 712 , and the hook portion 711 is used for hooking the zipper piece. The first locking block 61 includes a straight strip portion, and the strip portion defines an unlocking groove 62 . In the locked state, the outer surface of the bar-shaped portion of the first lock block 61 is against the clamping portion 712 of the first locking hook 71 . At this time, the clamping portion 712 is staggered from the unlocking slot 62 , thereby restricting the first locking hook 71 from rotating and unlocking. When unlocking, the first locking block 61 slides along the width direction of the cover plate 25. After the unlocking groove 62 is aligned with the holding portion 712, the holding portion 712 can be inserted into the unlocking groove 62, so that the first locking hook 71 releases the rotation restriction and can be rotated and unlocked. The elastic piece can drive the first locking hook 71 to return automatically. Similarly, in order to enable the first locking piece 61 to return automatically, an elastic piece is also provided between the first locking piece 61 and the cover plate 25 .

Referring to FIG. 4 , in order to realize the unlocking movement by pushing the first lock block 61 , the movable part 8 in the lock housing 2 cooperates with the first lock block 61 in linkage. Specifically, the bottom surface of the first locking block 61 extends downwards from the projection 63, and the end of the movable member 8 near the first locking block 61 is provided with a groove for inserting the projection 63, and a second slope 84 is arranged in the groove, and the projection 63 is provided with a first slope 64 complementary to the second slope 84. As a preferred solution, the cross-sectional shape of the protrusion 63 of the first locking block 61 is trapezoidal. During operation, when the movable part 8 moves toward the side of the unlocking direction, the second slope 84 of the groove of the movable part 8 abuts against the first slope 64 of the protrusion 63 of the first lock block 61, thereby converting the lateral movement of the movable part 8 into the longitudinal movement of the first lock block 61, thereby realizing that the first lock block 61 releases the rotation restriction on the first lock hook 71, and unlocks.

The combination lock of this embodiment needs to unlock the first lock hook 71, then the movable part 8 must be pushed to unlock, and the swing button assembly 3 is used as a force-applying part, and the swing button assembly 3 needs to push the movable part 8 to slide after being subjected to an external force. Referring to FIG. 6 , the swing button assembly 3 includes a rotating shaft 33 fixed in the lock housing 2 , a swing button body 31 that can swing around the rotating shaft 33 , and a clutch block 32 inserted in the swing button body 31 . The wedge-shaped portion 81 should be provided with at least one wedge-shaped surface, and the bottom surface of the pendulum knob body 31 extends toward the wedge-shaped surface to form an unlocking portion abutting against the wedge-shaped surface. Since the combination lock of this embodiment is suitable for multi-layer luggage, that is, the movable part 8 slides in different directions to control different groups of lock hooks to unlock, then, in conjunction with Fig. The surface 82 abuts against, and the second unlocking portion 312 corresponds to abut against the second wedge-shaped surface 83 . In other embodiments, if the lock housing 2 is only provided with one set or one locking hook, only one wedge-shaped surface of the wedge-shaped portion 81 needs to be provided. Similarly, only one unlocking portion of the swing knob body 31 also needs to be provided.

When the combination lock is unlocked, the external force pushes down the pendulum knob body 31, and the pendulum knob body 31 swings around the rotating shaft 33 towards the lower left or right side. The unlocking part of the pendulum knob body 31 cooperates with the wedge-shaped surface of the wedge-shaped part 81 of the movable part 8 to drive the movable part 8 to slide to the right or left, thereby cooperating with the first unlocking mechanism 6 and the second unlocking mechanism 9 to unlock different groups of lock hooks.

Referring to FIG. 7 and FIG. 8 , in order to limit the swing of the pendulum knob body 31 to achieve locking, in this embodiment, a password wheel assembly 4 is provided on the left side of the pendulum knob assembly 3 . The password wheel assembly 4 includes a wheel shaft 41 arranged along the length direction of the lock housing 2 and capable of reciprocating telescopic movement, and a return spring 42 sleeved on the outer peripheral side of the wheel shaft 41. It should be noted that the code wheel assembly 4 is a conventional code wheel structure, and the return spring 42 is an elastic reset member of the code wheel assembly 4 itself. If the password is correct, the wheel shaft 41 can move back and forth. The end of the clutch block 32 facing the wheel shaft 41 defines a slot 321 for inserting the wheel shaft 41 . In the locked state, the end of the wheel shaft 41 is inserted into the slot 321 . In order to improve the anti-theft performance and enhance the clamping force between the wheel shaft 41 and the pendulum assembly 3 , as a preferred solution, the section shape of the slot 321 is V-shaped, and the end of the wheel shaft 41 facing the slot 321 is V-shaped. The working process of password wheel assembly 4 is: password error, wheel shaft 41 is in stretched out state and can't be retracted, and the end of wheel shaft 41 pushes against and clamps clutch block 32, and clutch block 32 can't swing around rotating shaft 33, realizes locking. When the password is correct, the axle 41 is in a retractable state, and downward pressure is applied to the left side of the pendulum knob body 31, the pendulum knob body 31 will swing to the lower right side, and the pendulum knob body 31 will swing together with the clutch block 32. During the swing process, the clutch block 32 will push the axle 41 to retract, and the unlocking part of the pendulum knob body 31 will push against and push the wedge-shaped part 81 of the movable part 8 to slide, thereby indirectly unlocking the lock hook. When the external force is removed from the pendulum knob body 31 , the return spring 42 of the password wheel assembly 4 in the compressed state will use its own elastic force to drive the clutch block 32 and the pendulum knob body 31 to rotate together to the locked state.

Referring to FIG. 7 and FIG. 9 , in order to unlock in various ways, the right side of the swing knob assembly 3 is provided with a lock cylinder assembly 5 . The lock cylinder assembly 5 is located on the right side of the pendulum knob assembly 3, and the combination wheel assembly 4 is located on the left side of the pendulum knob assembly 3. The lock cylinder assembly 5 includes a lock cylinder body 51 rotatably installed in the lock housing 2. The lock cylinder body 51 extends toward the pendulum knob assembly 3 and a stopper 52 abuts against the clutch block 32, while the clutch block 32 extends toward the stopper 52 and a card protrusion 322 abuts against the stopper block 52. When the code wheel assembly 4 is locked, since the left side of the clutch block 32 is engaged with the axle 41 of the code wheel assembly 4, even if the block 52 of the lock core body 51 is staggered with the protrusion 322 of the clutch block 32, the clutch block 32 still cannot swing. Sliding toward the length direction of lock housing 2, the middle part of clutch block 32 is provided with elongated hole 323 along the length direction of lock housing 2, and rotating shaft 33 is penetrated in elongated hole 323, and rotating shaft 33 can slide in elongated hole 323. In addition, in order to improve the structural strength of the lock, the end surface of the blocking block 52 facing the clutch block 32 is an arc surface curved toward the lower left side.

7 and 9, the working process of the lock cylinder assembly 5 in this embodiment is as follows: in the locked state, the distance between the block 52 and the end of the axle 41 is equal to the distance between the groove 321 of the clutch block 32 and the outer surface of the protrusion 322. When locking, the protrusion 322 of the clutch block 32 abuts against the block 52 so that the clutch block 32 cannot swing. When unlocking, rotate the lock core body 51, the lock core body 51 rotates and drives the block 52 to rotate, and the block 52 is separated from the protrusion 322 of the clutch block 32 after rotating, so as to remove the rotation restriction to the clutch block 32, and then a downward pressure is applied to the swing knob body 31, and the swing knob body 31 swings around the rotating shaft 33. Since the axle 41 holds the left side of the clutch block 32, but the right side of the clutch block 32 does not have the block 52 of the lock core body 51 to resist During the swinging process of the swing knob body 31, the rotating shaft 33 will slide relative to the elongated hole 323 of the clutch block 32, that is, the clutch block 32 slides in the chute 313 in the swing knob body 31 along the direction facing away from the wheel shaft 41. After the clutch block 32 slides to the end of the wheel shaft 41 and disengages from the slot 321, the clutch block 32 swings along with the swing knob body 31. Cooperate with the locking mechanism to unlock the lock hook.

In other embodiments, if the lock does not need to be provided with a key unlocking function, then the lock cylinder assembly 5 does not need to be provided, and the clutch block 32 and the swing button body 31 can be designed as an integrated structure, or the inner side wall of the lock case 2 is used to abut the end of the clutch block 32 away from the wheel shaft 41.

In this embodiment, two lock holes are also provided on the side of the base 24, and a second lock hook 72 is provided in each lock hole, and the two second lock hooks 72 can rotate relative to the base 24. The installation method of the second lock hook 72 can refer to the installation method of the first lock hook 71. 10 and 11, the second unlocking mechanism 9 includes a movable piece 91 and a second lock block 92. The bottom surface of the movable piece 8 extends downwards to extend out of the swing part, and the middle part of the movable piece 91 is provided with a locking hole 911 for the swinging part to be inserted into. Two second locking blocks 92 are arranged on the left and right sides of the movable piece 91 , and each second locking block 92 corresponds to a second locking hook 72 , and each second locking block 92 is rotatably installed in the base 24 through a rotating shaft. The second lock hook 72 is the same as the first lock hook 71, and the second lock hook 72 is also provided with a clamping portion and a hook portion. The movable piece 91 extends a pushing portion 912 toward the second locking block 92, and the second locking block 92 extends a first swing arm 921 toward the pushing portion 912 and a second swing arm 922 toward the locking portion of the second lock hook 72.

The working process of the second unlocking mechanism 9 is as follows: in the locked state, the dead bolt 90 is inserted into the lock hole, the hook portion of the second lock hook 72 buckles the through hole 901 of the dead bolt 90, the movable part 8 cannot slide, the movable part 8 restricts the sliding of the movable piece 91 through the swing part, the movable piece 91 cannot slide, and the pushing part 912 of the movable piece 91 is against the first swing arm 921 of the second lock block 92, and the second swing arm 922 of the second lock piece 92 is against the second lock hook 72 The clamping portion of the second lock hook 72 is restricted to realize locking. When unlocking, when the movable piece 8 slides to the left or right, the movable piece 8 will slide to the left or right with the movable piece 91. During the sliding process of the movable piece 91, the pushing part 912 of the movable piece 91 will abut against the first swing arm 921 of the second lock piece 92, thereby driving the second lock piece 92 to rotate around the rotation axis. The lock is unlocked.

In other embodiments, the second unlocking mechanism 9 and the second locking hook 72 can be selectively replaced according to different usage situations. For example, when the multi-layer luggage cancels the interlayer of the first box body 1, and the multi-layer luggage is provided with multiple zipper bars that need to be locked, the position of the second locking hook 72 can be set in the face shell 21, that is, the first locking hook 71 and the second locking hook 72 are arranged symmetrically with the swing button assembly 3 as a symmetrical point. Or the right swing control is positioned at the shackle on the left to open or controls the shackle that is positioned on the right to open. Therefore, different structural forms of the second unlocking mechanism 9 and the first unlocking mechanism 6 can be selected according to actual needs, and the structures and positions of the first locking hook 71 and the second locking hook 72 can also be selected and set according to specific situations. The combination lock provided in this embodiment is only one of the implementation modes, and the pendulum assembly 3 of this embodiment can be used in various cases and bags.

In order to further improve the use feeling of the swing button assembly 3 , the left and right sides of the top end surface of the swing button body 31 are provided with upwardly protruding elastic protrusions 314 .

In the combination lock for luggage of the present utility model, the switch for opening the lockset is set as a swing button assembly 3, and the swing button assembly 3 unlocks the lock through a swinging movement mode. The operation feels good, and the structure is simpler and more compact. In addition, the swing button body 31 can swing in different directions, thereby controlling different groups of lock hooks to unlock. The gap between the swing button body 31 and the lock case 2 is small, which reduces the hiding of stains or dust, makes the lock more beautiful as a whole, and the layout design of the lock is reasonable, which solves the problem of complex structure in the past.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present utility model, rather than limiting the protection scope of the present utility model. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solution of the utility model can be modified or equivalently replaced without departing from the essence and scope of the technical solution of the utility model.

Claims (10)

1. A combination lock for luggage, characterized in that: comprising a lock case, a locking mechanism located in the lock case and a pendulum assembly for unlocking the locking mechanism, the pendulum assembly includes a rotating shaft fixed in the lock case, a pendulum body that can swing around the revolving shaft and a clutch block interspersed in the pendulum body, the clutch block is sheathed on the outer peripheral side of the revolving shaft; When locking, the locking mechanism abuts against the clutch block to restrict the rotation of the pendulum knob body around the rotating shaft; When unlocking, the locking mechanism releases the restriction on the movement of the clutch block. 2. A combination lock for luggage according to claim 1, characterized in that: the locking mechanism comprises at least one lock hook rotatably installed in the lock housing, a movable part for abutting against the lock hook to realize unlocking, the lock housing is also provided with a password wheel assembly, the password wheel assembly includes a telescopically movable wheel shaft arranged along the length direction of the lock housing, and the end of the wheel shaft is located at the side of the pendulum knob assembly; The end of the clutch block facing the wheel shaft is provided with a slot for the wheel shaft to be inserted into, the movable part is located below the pendulum knob body and extends out a wedge-shaped part towards the pendulum knob body; When the password is wrong, the wheel shaft cannot move telescopically and the end of the wheel shaft is inserted into the slot of the clutch block, so that the pendulum knob body cannot rotate around the rotating shaft to realize locking; When the password is correct, the wheel shaft can move telescopically, and the pendulum knob body rotates around the shaft and drives the clutch block to rotate around the shaft. During the rotation of the clutch block, the wheel shaft is pushed back, and the pendulum knob body pushes the wedge-shaped part of the movable part to make the movable part drive the lock hook to unlock. 3 . The combination lock for luggage according to claim 2 , wherein the wedge-shaped portion is provided with at least one wedge-shaped surface, and the bottom surface of the pendulum knob body extends toward the wedge-shaped surface with an unlocking portion abutting against the wedge-shaped surface. 4 . 4. A luggage combination lock according to claim 3, characterized in that: the wedge-shaped portion is provided with two symmetrical wedge-shaped surfaces, and the two symmetrical wedge-shaped surfaces are respectively a first wedge-shaped surface and a second wedge-shaped surface; the inclination direction of the first wedge-shaped surface is opposite to that of the second wedge-shaped surface, and at least two unlocking portions of the pendulum knob body are provided, the first unlocking portion corresponds to the first wedge-shaped surface, and the second unlocking portion corresponds to the second wedge-shaped surface; When the swing button body swings toward the lower left side, the first unlocking part pushes the first wedge-shaped surface, so that the movable part slides toward the right side; When the swing button body swings toward the lower right side, the second unlocking portion pushes the second wedge-shaped surface, so that the movable member slides toward the left side. 5. A combination lock for luggage according to claim 4, characterized in that: two groups of lock hooks are provided in the lock housing, and the movable part is provided with a first unlocking mechanism for driving the first group of lock hooks to be unlocked and a second unlocking mechanism for driving the second group of lock hooks to be unlocked; When the movable part slides to the right, the movable part unlocks the first set of locking hooks through the first unlocking mechanism; When the movable part slides to the left, the movable part unlocks the second group of locking hooks through the second unlocking mechanism. 6. A luggage combination lock according to claim 4, characterized in that: the lock housing is also provided with a lock cylinder assembly, the lock cylinder assembly is located on the right side of the pendulum knob assembly, and the combination wheel assembly is located on the left side of the pendulum knob assembly; The lock cylinder assembly includes a lock cylinder body rotatably installed in the lock housing, the lock cylinder body extends toward the swing knob assembly with a stopper that abuts against the clutch block, and the clutch block extends toward the stopper with a protrusion that abuts with the stopper; When locking, the protrusion of the clutch block abuts against the stopper so that the clutch block cannot swing; When unlocking, rotate the lock cylinder body, the lock cylinder body rotates and drives the block to rotate, and the block is separated from the protrusion of the clutch block after rotation, so as to release the rotation restriction on the clutch block. 7. A combination lock for luggage according to claim 5 or 6, characterized in that: the swing button body is provided with a chute along the length direction of the lock case, the clutch block is inserted in the chute, and the clutch block can slide along the chute toward the length direction of the lock case; The middle part of the clutch block is provided with a long hole along the length direction of the lock housing, and the rotating shaft is passed through the long hole, and the rotating shaft can slide in the long hole. 8 . The combination lock for luggage according to claim 6 , wherein the end face of the stopper facing the clutch block is an arc surface. 9 . 9 . The combination lock for luggage according to claim 2 , wherein the combination wheel assembly further includes a return spring, and the return spring is sheathed on the outer peripheral side of the wheel shaft. 10 . 10 . The combination lock for luggage according to claim 2 , wherein the cross-section of the card slot is arranged in a V shape, and the end of the wheel shaft facing the card slot is arranged in a V shape. 11 .