Luggage lock

Abstract

The utility model discloses a luggage lock which comprises a shell and a base, two locking devices are arranged on the base, a lock body and an unlocking mechanism are arranged between the two locking devices, a first linkage piece and a second linkage piece are arranged between the unlocking mechanism and the two locking devices respectively, the unlocking mechanism comprises an unlocking block and a linkage plate, the unlocking block is connected with the base in a sliding mode, and the linkage plate is connected with the base in a sliding mode. The unlocking block and the first linkage piece are connected in a clamped mode through a T-shaped block and a T-shaped groove, a hook groove is formed in the second linkage piece, a fixing block located in the hook groove is arranged on the unlocking block, the fixing block makes contact with the side face, away from the first linkage piece, in the hook groove, and when a password is correct, a user can selectively unlock one zipper in a one-way mode. Even if the password is correct, the other zipper is kept in a locked state, subsequent repeated locking is not needed, and the other zipper can be unlocked; and the two zippers can be unlocked at the same time.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of lock structure, more particularly to a kind of luggage lock. BACKGROUND

[0002] The front cover of some suitcases is provided with an openable front cover, and the flat cavity is formed between the front cover and the box body, which can place notebook computers, tablet computers and folders, etc., and the front cover and the box body are usually connected by zipper, so the luggage lock provided on the box body will have double-switch function, such as a multi-layer luggage lock with front and rear push button double switches with publication number CN118547946A, which is provided with lock core 600, which drives rotating block 610, so that when the key is rotated, the first external locking device 200 and the second external locking device 300 can be unlocked synchronously, and the left and right movement of push button 400 can also be used for unlocking.

[0003] However, the structure shown in Figure 8 of the drawings shows that when the push button pushes the first unlocking linkage to move and unlock, it will drive the rotating block 610, which in turn drives the second unlocking linkage to move and unlock synchronously, which means that when the password is correct, the zipper head on the box body and the zipper head on the front cover zipper will be unlocked synchronously, and the unlocking principle of the first and second external locking devices is that when the unlocking linkage moves and unlocks, the lock head will be popped out by the torsional force of the torsional spring, so that no matter which side the push button is pushed, the pull tabs on the two zippers will be popped out and unlocked synchronously, that is, it cannot be unlocked in one direction.

[0004] If the user only needs to unlock one of the zippers, the other zipper needs to be relocked, and locking needs to overcome the torsional force of the torsional spring on the lock head, so the locking efficiency will be reduced. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a luggage lock, when the password is correct, the user can selectively unlock one zipper in one direction, and the other zipper remains locked even if the password is correct, without the need for subsequent repeated locking, and the other zipper can also be unlocked.

[0006] To achieve the above object, the utility model provides the following technical scheme: a luggage lock, including shell and base, be provided with two lock device on the base, be provided with lock body and unlocking mechanism between two lock device, first linkage and second linkage are provided with between the unlocking mechanism and two lock device respectively, the unlocking mechanism includes unlocking block and linkage board, the unlocking block is connected with the base slidingly, make the left and right movement of unlocking block all with lock body linkage through the linkage board, first linkage and second linkage all are connected with the base slidingly, the unlocking block and first linkage are connected through T block and T groove clamping, be provided with hook groove on the second linkage, be provided with fixed block in the hook groove on the unlocking block, the fixed block contacts the side surface of hook groove far away from first linkage.

[0007] Further, the unlocking block is provided with a linkage cavity, the linkage board is located in the linkage cavity, the linkage board is provided with a rotating shaft on both sides, and the rotating shaft is rotatably connected with the shell, the unlocking block is provided with a U-shaped groove corresponding to the rotation, and the rotating shaft passes through the U-shaped groove, a first limiting block is arranged on one side of the linkage cavity close to the lock body, a second limiting block is arranged on the shell, and the first limiting block and the second limiting block are located on opposite sides of the linkage board respectively, and the second limiting block is located above the linkage board.

[0008] Further, the lock body comprises a telescopic rod, a fixed plate is arranged on one end of the telescopic rod, and the fixed plate is opposite to the linkage board.

[0009] Further, the unlocking block is provided with a push block, and the end of the push block protrudes from the unlocking surface of the shell and is slidably connected with the shell.

[0010] Compared with the prior art, the utility model has the beneficial effects that when the password is correct, the user can selectively unlock one zipper in one direction, and the other zipper is kept in the locked state even if the password is correct, without the need for subsequent repeated locking, and the other zipper can be unlocked again.

[0011] If the other zipper is unlocked at the beginning, both zippers can be unlocked at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the exploded view of the utility model luggage lock;

[0013] Figure 2 It is the internal structure schematic view of the utility model luggage lock;

[0014] Figure 3 It is the connection schematic view of the unlocking block, first linkage and second linkage in the utility model luggage lock;

[0015] Figure 4The utility model discloses a structure schematic drawing of the unlocking mechanism in the luggage lock.

[0016] Figure 5 The utility model discloses a structure schematic drawing of the lock body in the luggage lock.

[0017] Fig. 1 is a structure schematic drawing of the luggage lock of the utility model, and the outer shell 1, the base 2, the lock device 3, the lock body 4, the first linkage 5, the second linkage 6, the T-shaped block 7, the T-shaped groove 8, the hook groove 9, the fixed block 10, the unlocking block 11, the push block 12, the linkage plate 13, the first limiting block 14, the second limiting block 15, the linkage cavity 16, the password wheel 17, the lock sleeve 18, the telescopic rod 19, the reset spring 20, the fixed plate 21, the stopper 22 and the reset block 23 are shown. DETAILED DESCRIPTION

[0018] In the description of the utility model, it is explained that for the orientation words, if the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of narrating the utility model and simplifying the description, and not indicating or implying that the device or element indicated must have a specific orientation, structure and operation in a specific orientation, and cannot be understood as limiting the specific protection scope of the utility model.

[0019] In addition, if the terms "first", "second" are only used for the description purpose, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of technical features. Therefore, the "first", "second" features defined can explicitly or implicitly include one or more features, and the meaning of "several", "several" in the description of the utility model is two or two or more, unless otherwise explicitly specified.

[0020] Reference Figures 1 to 5 Further illustrate the utility model.

[0021] The luggage lock comprises a shell 1 and a base 2, two lock devices 3 are arranged on the base 2, a lock body 4 and an unlocking mechanism are arranged between the two lock devices 3, the unlocking mechanism is respectively provided with a first linkage 5 and a second linkage 6 between the two lock devices 3, the unlocking mechanism comprises an unlocking block and a linkage plate, the unlocking block is in sliding connection with the base 2, the left and right movements of the unlocking block are linked with the lock body 4 through the linkage plate, the first linkage 5 and the second linkage 6 are in sliding connection with the base 2, the unlocking block and the first linkage 5 are connected through a T-shaped block 7 and a T-shaped groove 8, the second linkage 6 is provided with a hook groove 9, the unlocking block is provided with a fixed block 10 in the hook groove 9, and the fixed block 10 contacts the side of the hook groove 9 away from the first linkage 5.

[0022] As shown in the drawings, Figures 1 to 3 When the password is correct, the unlocking block can move left and right, when it moves towards the lock device 3 connected with the first linkage 5, it can directly unlock the lock device 3 through the first linkage 5, at this time, the fixed block 10 on the unlocking block moves in the hook groove 9 from one side away from the first linkage 5 to the other side, so as not to drive the second linkage 6 to unlock, so that the user can selectively unlock in one direction, and the other zipper remains locked even if the password is correct, without the need for subsequent repeated locking, and after one-way unlocking, the unlocking block is reset, and the fixed block 10 recontacts the side of the hook groove 9 away from the first linkage 5;

[0023] At this time, if you want to unlock the other zipper, move the unlocking block in the opposite direction, since the fixed block 10 contacts the hook groove 9, it can drive the second linkage 6 to move through the fixed block 10, thereby unlocking the lock device 3 connected with the second linkage 6;

[0024] At this time, since the lock device 3 connected with the first linkage 5 is in the unlocked state, the reverse movement of the unlocking block will not affect the lock device 3;

[0025] Similarly, if the unlocking block is initially moved in the opposite direction, it will also drive the first linkage 5 to unlock at the same time, thereby achieving synchronous unlocking of the two lock devices 3.

[0026] Specifically, the luggage lock is arranged between the two zippers of the luggage, so that the user can select which zipper lock is on the lock device 3 corresponding to the first linkage 5 to achieve one-way zipper unlocking.

[0027] As shown in the drawings, Figure 4As shown, preferably in the example, the unlocking block is provided with a linkage cavity, the linkage plate is located in the linkage cavity, the linkage plate is provided with a rotating shaft on both sides, and the rotating shaft is rotatably connected to the shell 1. The unlocking block is provided with a U-shaped groove corresponding to the rotation, and the rotating shaft passes through the U-shaped groove. The linkage cavity is provided with a first limiting block 14 on the side close to the lock body 4. The shell 1 is provided with a second limiting block 15. The first limiting block 14 and the second limiting block 15 are located on the opposite sides of the linkage plate, respectively, and the second limiting block 15 is located above the linkage plate.

[0028] As shown in the drawings, Figure 4 Specifically, when the password of the lock body 4 is correct, if the unlocking block moves to the left to unlock, the second limiting block 15 below can drive the linkage plate to rotate, and the upper end of the linkage plate contacts the lock body 4. If the unlocking block moves to the right to unlock, the unlocking block directly contacts the lock body 4.

[0029] As shown in the drawings, Figure 2 As shown in the drawings, preferably in the example, the lock body 4 includes a telescopic rod 19, one end of the telescopic rod 19 is provided with a fixed plate 21, and the fixed plate 21 is opposite to the linkage plate.

[0030] Specifically, when the password of the lock body 4 is correct, the telescopic rod 19 can be telescopic. When the unlocking block moves to the left, the linkage plate rotates, and the upper end of the linkage plate pushes the telescopic rod 19 to retract. When the unlocking block moves to the right, the telescopic rod 19 is directly pushed to retract by the unlocking block. After unlocking, the telescopic rod 19 will reset.

[0031] As shown in the drawings, Figure 5 Specifically, the lock body 4 further includes a plurality of lock sleeves 18 sleeved on the telescopic rod 19, a password wheel 17 is sleeved on the lock sleeve 18, the password wheel 17 and the lock sleeve 18 are slidably connected, the lock sleeve 18 and the telescopic rod 19 are slidably connected, and the connection is achieved through a spline structure. The telescopic rod 19 is provided with a reset spring 20, the reset spring 20 is located between the fixed plate 21 and the lock sleeve 18, the other end of the telescopic rod 19 is provided with a stop block 22, the stop block 22 is provided with a through hole for the end of the telescopic rod 19 to pass through, and the stop block 22 contacts the lock sleeve 18.

[0032] As shown in the drawings, Figure 5As shown, in particular, a circle of spline grooves is arranged on the inner hole of the password wheel 17, a spline block is arranged on the outer circular surface of the lock sleeve 18, the spline block can be matched with any one of the spline grooves on the password wheel 17, so that the password wheel 17 drives the lock sleeve 18 to rotate on the telescopic rod 19, two spline blocks are arranged on the inner hole of the lock sleeve 18, and corresponding spline grooves are arranged on the outer circular surface of the telescopic rod 19, so that the lock sleeve 18 and the telescopic rod 19 are slidingly connected, the telescopic rod 19 is provided with a circumferential unlocking groove, and the unlocking groove is communicated with the spline groove, when the lock sleeve 18 rotates to make the spline blocks on the inner hole thereof correspond to the unlocking groove, the spline blocks enter the unlocking groove, so that the lock sleeve 18 rotates on the telescopic rod 19, that is, when the spline blocks on the lock sleeve 18 are located in the unlocking groove, the telescopic rod 19 is fixed and cannot be telescopic, only when the password is correct, the spline blocks on the lock sleeve 18 will correspond to the spline grooves on the telescopic rod 19, so that the telescopic rod 19 can be telescopic.

[0033] In particular, one side of the stop block 22 is provided with a reset block 23, the reset block 23 is slidingly connected with the shell 1, and the reset block 23 and the stop block 22 are in contact through a wedge surface, that is, when the reset block 23 moves downward, the stop block 22 will be simultaneously driven to move transversely.

[0034] In particular, when the password is correct, the reset block 23 is pressed on the unlocking surface of the shell 1, then the lock sleeve 18 is pushed by the stop block 22, so that the lock sleeve 18 is separated from the spline of the password wheel 17, and at the same time, the reset spring 20 on the telescopic rod 19 is compressed, then the password wheel 17 can be rotated to modify the password, so that different spline grooves on the password wheel 17 correspond to the spline blocks on the lock sleeve 18, after adjustment, the reset block 23 is released, and the lock sleeve 18 will be reconnected with the password wheel 17 due to the reset spring 20 on the telescopic rod 19, so that the modification of the password is realized.

[0035] In particular, a plurality of limiting grooves are arranged on the password wheel 17, and an elastic limiting plate corresponding to each password wheel 17 is arranged on the base 2, the end of the limiting plate is inclined and extends into the limiting groove of the password wheel 17, so that the password wheel 17 can only rotate in one direction.

[0036] In particular, a partition plate is arranged on the base 2, and the partition plate is located between adjacent two password wheels 17.

[0037] As Figure 1 shown, in the preferred embodiment of the present example, a push block 12 is arranged on the unlocking block, the end of the push block 12 extends out of the unlocking surface of the shell 1 and is slidingly connected with the shell 1, that is, the unlocking block is moved by the push block 12.

[0038] In particular, the structure of the lock device 3 can refer to the existing patent with the publication number CN118547946A and the patent name of a multi-layer luggage lock with front and rear push button double switches, and the present application will not be described here.

[0039] The above merely describes preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. Any technical solution falling within the concept of the present application shall fall within the protection scope of the present application. It should be noted that, for ordinary skilled persons in the art, some improvements and refinements without departing from the principles of the present application shall also be considered as falling within the protection scope of the present application.

Claims

1. A luggage lock, characterized by: The application relates to a lock device, which comprises a shell and a base, two lock devices are arranged on the base, a lock body and an unlocking mechanism are arranged between the two lock devices, a first linkage and a second linkage are arranged between the unlocking mechanism and the two lock devices respectively, the unlocking mechanism comprises an unlocking block and a linkage plate, the unlocking block is slidably connected with the base, the left and right movements of the unlocking block are linked with the lock body through the linkage plate, the first linkage and the second linkage are slidably connected with the base, the unlocking block and the first linkage are connected through a T-shaped block and a T-shaped slot, a hook groove is arranged on the second linkage, a fixing block in the hook groove is arranged on the unlocking block, and the fixing block contacts the side of the hook groove far from the first linkage.

2. The luggage lock of claim 1, wherein: A linkage cavity is arranged on the unlocking block, the linkage plate is arranged in the linkage cavity, shafts are arranged on the two sides of the linkage plate, the linkage plate is rotatably connected with the shell through the shafts, a U-shaped slot corresponding to the rotation is arranged on the unlocking block, the shafts pass through the U-shaped slot, a first limiting block is arranged on the side of the linkage cavity close to the lock body, a second limiting block is arranged on the shell, the first limiting block and the second limiting block are respectively arranged on the opposite sides of the linkage plate, and the second limiting block is arranged above the linkage plate.

3. The luggage lock of claim 1, wherein: The lock body comprises a telescopic rod, a fixing plate is arranged on one end of the telescopic rod, and the fixing plate faces and contacts the linkage plate.

4. The luggage lock of claim 1 wherein: A push block is arranged on the unlocking block, the end of the push block is arranged on the unlocking surface of the shell and is slidably connected with the shell.

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