Double-layer luggage coded lock capable of being unlocked selectively

Abstract

A coded lock capable of being selectively unlocked for a double-layer luggage comprises a left movable plate and a right movable plate which are used for driving a left rotating spring bolt module and a right rotating spring bolt module to be unlocked respectively, the lower end of a pushing mechanism is slidably connected with a sliding plate, and the sliding plate can slide in the direction perpendicular to a wheel shaft of a coded wheel mechanism. A cam is arranged at the lower end of the lock cylinder, the sliding plate is provided with a containing part for containing the cam, when the lock cylinder is in a locked state, the cam abuts against the side wall of the containing part to limit the sliding plate to slide relative to the pushing part, when the lock cylinder is unlocked, the sliding plate can slide relative to the pushing part, and the sliding plate is provided with a locking notch. And a transmission block is arranged between the sliding plate and the end part of the wheel shaft, is connected with the lock shell in a sliding manner, and is provided with an occlusion end part accommodated in the locking notch and an extrusion end for extruding the wheel shaft to contract.

Description

Technical Field

[0001] The utility model relates to the field of password locks, in particular to a password lock for double-layer luggage which can be selectively unlocked. Background Art

[0002] The existing luggage zipper combination lock is usually locked by sliding a push block to drive the movable plate to move, so that the lock hook and the lock block are unlocked or locked. However, this zipper combination lock has a single control function. When the push block slides, the lock hooks and lock blocks on both sides are unlocked or locked at the same time, which is not suitable for luggage with multiple layers.

[0003] The existing two-layer luggage, the push block (push system) unlocks the lock, such as the double-sided lock password lock disclosed in Chinese patent CN205172189U, the disclosed lock hook and lock block are respectively used to lock one layer of the luggage. If people only want to open one layer of the two-layer luggage, the existing zipper password lock is used. When the push block slides and drives the movable piece to move, the lock hook and lock block that lock the two layers of the luggage are unlocked at the same time, that is, the two layers of the luggage are opened at the same time.

[0004] In addition, the Chinese patent with publication number CN114233117B discloses a code wheel mechanism, and the Chinese patent with publication number CN218509246U discloses a rotary bolt module and a code lock with two sides unlocked simultaneously, and a movable plate for driving the abutment portion to separate from the locking portion to realize unlocking of the rotary bolt module.

[0005] Among them, the applicant believes that CN218509246U is the closest prior art. Utility Model Content

[0006] The utility model aims to provide a double-layer luggage password lock which can be selectively unlocked.

[0007] To achieve the above-mentioned purpose, the utility model provides a double-layer password lock for luggage with selectable unlocking, comprising a lock shell, a password wheel mechanism, a push system, a lock core arranged at the push system, a pair of left-side rotating lock tongue modules and a pair of right-side rotating lock tongue modules located on both sides of the push system, and also comprising a left movable plate and a right movable plate respectively used to drive the left-side rotating lock tongue module and the right-side rotating lock tongue module to unlock. The push system is slidably connected to a sliding plate at the lower end, and the sliding plate can slide along the wheel axle direction perpendicular to the password wheel mechanism. A cam is provided at the lower end of the lock core, and the sliding plate is provided with a accommodating portion for accommodating the cam. When the lock core is in a locked state, the cam abuts against the side wall of the accommodating portion to limit the sliding plate from sliding relative to the push system. When the lock core is unlocked, the sliding plate can slide relative to the push system. The sliding plate is provided with a locking notch, and a transmission block between the sliding plate and the end of the wheel axle, and the transmission block and The lock shell is slidably connected, and the transmission block has an engaging end portion accommodated in the locking notch and an extruding end for squeezing the wheel axle to contract; the push system can move to the left to drive the left movable plate to unlock the left rotary lock tongue module, and the push system can also move to the right to drive the right movable plate to unlock the right rotary lock tongue module; when the password wheel mechanism is unlocked, the push system can move to the left or right through the locking notch to squeeze the engaging end portion, thereby squeezing the wheel axle to contract; when the password wheel mechanism is locked, the extruding end of the transmission block is restricted from moving in the direction away from the engaging end portion; when the lock core is locked, the cam abuts against the side wall of the accommodating portion to restrict the sliding plate from moving in the direction away from the extruding end; when the lock core is unlocked, the push system can move to the left or right, and the locking notch squeezes the engaging end portion, so that the sliding plate moves in the direction away from the extruding end.

[0008] In one embodiment of the present invention, the extrusion end has an extrusion slope that abuts against the end of the wheel axle, the engaging end is in a "V" shape, and the locking notch is in a V shape.

[0009] In one embodiment of the utility model, the left movable plate and the right movable plate are perpendicular to each other, the left movable plate is provided with a left guide bar, a transmission plate is provided between the sliding plate and the right movable plate, the transmission plate is provided with a right guide bar, the sliding plate is provided with a pair of sliding parts that slide with the left guide bar and the right guide bar respectively, the right movable plate is provided with a transmission bevel, the transmission plate is provided with an extrusion part that cooperates with the transmission bevel, the right movable plate is also provided with an anti-slip groove that is connected to the transmission bevel and is arranged along the moving direction of the transmission plate, when the pushing system moves to the left, the transmission block moves in the anti-slip groove, and when the pushing system moves to the right, the transmission block squeezes the side wall of the transmission bevel to drive the right movable plate to unlock the right rotary lock tongue module.

[0010] In one embodiment of the present invention, the wheel axle is provided with a matching inclined surface which fits with the extrusion inclined surface.

[0011] In an embodiment of the present invention, the push mechanism, the left movable plate, the right movable plate, the transmission plate, and the cam are respectively slidably connected to the lock housing.

[0012] In one embodiment of the present invention, there is an avoidance gap between the left movable plate and the engaging end of the left rotary lock tongue module, and the avoidance gap allows the push-type control to move rightward to drive the right rotary lock tongue module to unlock.

[0013] In one embodiment of the utility model, the left-side rotating lock tongue module or the right-side rotating lock tongue module includes a component, a torsion spring, and a frame, the component is provided with a rotating shaft on both sides, the frame is provided with an elastic locking arm, the torsion spring is located between the component and the frame body, the component is provided with a locking portion, the free end of the elastic locking arm is provided with an abutment portion that abuts against the locking portion when the component is in the locked position to prevent the component from rotating to the unlocked position, and the free end is provided with an engaging end portion for driving the abutment portion to disengage from the locking portion.

[0014] In one embodiment of the utility model, the cipher wheel mechanism comprises an axle reset spring, a plurality of cipher wheels, a plurality of code adjustment wheels and a code adjustment ring, wherein a blocking portion is provided at one end of the axle, the code adjustment wheel has an outer cylindrical tube portion exposing the cipher wheel, the cipher wheel mechanism also comprises a bottom plate, the bottom plate is provided with a buckle corresponding to the outer cylindrical tube portion, the buckle comprises a pair of elastic clamping arms located on both sides of the code adjustment wheel and extending toward the upper center of the outer cylindrical tube portion; the bottom plate is also provided with a first limiting portion and a second limiting portion respectively cooperating with the blocking portion and the code adjustment ring, the axle is provided with a fixed installation groove cooperating with the code adjustment ring, the code adjustment ring is provided with an elastic buckle inserted into the fixed installation groove, an anti-dropping portion is provided at one end of the fixed installation groove facing away from the blocking portion, the cipher wheel is provided with a plurality of clutch blocks, and the code adjustment wheel is provided with a plurality of alignment blocks cooperating with the clutch block.

[0015] In one embodiment of the utility model, the cipher wheel mechanism further includes a guide block located between the blocking portion and the base plate, the mating inclined surface is arranged at the guide block, the guide block is provided with a connecting groove for accommodating part of the blocking portion, and the guide block is slidably connected to the base plate.

[0016] In one embodiment of the present invention, a limiting groove is provided on the surface of the lock housing for limiting the pushing movement range.

[0017] In the utility model, when the password wheel mechanism is unlocked, the pusher can move leftward or rightward through the locking notch to squeeze the occlusal end, thereby squeezing the wheel shaft to shrink; when the password wheel mechanism is locked, the squeezing end of the transmission block is restricted from moving in the direction away from the occlusal end; when the lock cylinder is locked, the cam abuts against the side wall of the accommodating portion to restrict the sliding plate from moving in the direction away from the squeezing end; when the lock cylinder is unlocked, the pusher can move leftward or rightward, the locking notch squeezes the occlusal end, and the sliding plate moves in the direction away from the squeezing end. A double-layer luggage password lock that can be selectively unlocked is realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic structural diagram of a double-layer luggage combination lock that can be selectively unlocked according to the first embodiment of the utility model.

[0019] Figure 2 for Figure 1 Exploded view of a combination lock for a double-layer luggage with optional unlocking.

[0020] Figure 3 for Figure 2 Schematic diagram of the structure of the guide block.

[0021] Figure 4 for Figure 2 Schematic diagram of the structure of the sliding plate.

[0022] Figure 5 for Figure 1 A schematic diagram of the structure of a hidden lock shell when a double-layer luggage with a selectable unlocking function is locked with a lock cylinder of a combination lock.

[0023] Figure 6 for Figure 1 A schematic diagram of the structure of a hidden lock shell when the lock cylinder of a combination lock of a double-layer luggage with optional unlocking is unlocked.

[0024] Figure 7 for Figure 1 A cross-sectional view of a combination lock for a double-layer luggage with optional unlocking. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-7The first embodiment of the utility model is a double-layer luggage password lock with selectable unlocking, comprising a lock shell 4, a password wheel mechanism 2, a pusher 5, a lock core 6 arranged at the pusher 5, a pair of left-side rotating bolt modules 10 and a pair of right-side rotating bolt modules 10' located on both sides of the pusher 5, and also comprising a left movable plate 3 and a right movable plate 3' respectively used to drive the left-side rotating bolt module 10 and the right-side rotating bolt module 10' to unlock. The lower end of the pusher 5 is slidably connected with a sliding plate 7, and the sliding plate 7 can slide along the direction perpendicular to the wheel shaft 21 of the password wheel mechanism 2. A cam 61 is provided at the lower end of the lock core 6, and the sliding plate 7 is provided with a receiving portion 70 for receiving the cam 61. When the lock core 6 is in a locked state, the cam 61 abuts against the side wall of the receiving portion 70 to limit the sliding plate 7 from sliding relative to the pusher 5. When the lock core 6 is unlocked, the sliding plate 7 can slide relative to the pusher 5. The sliding plate 7 is provided with a locking notch 7a, and the sliding plate 7 is provided with a locking notch 7a between the sliding plate 7 and the end of the wheel shaft 21. The transmission block 8 between the two ends is slidably connected with the lock housing 4, and the transmission block 8 has an engaging end 82 accommodated in the locking notch 7a and an extruding end 81 for extruding the wheel shaft 21 to contract; the push system 5 can move to the left to drive the left movable plate 3 to unlock the left rotary bolt module 10, and the push system 5 can also move to the right to drive the right movable plate 3' to unlock the right rotary bolt module 10'; when the password wheel mechanism 2 is unlocked, the push system 5 can move to the left or right through the locking notch 7a to extrude the engaging end 82, thereby extruding the wheel shaft 21 to contract; when the password wheel mechanism 2 is locked, the extruding end 81 of the transmission block 8 is restricted to move in the direction of the engaging end; when the lock cylinder 6 is locked, the cam 61 abuts against the side wall of the accommodating portion 70 to restrict the sliding plate 7 from moving in the direction of the extruding end 81, and when the lock cylinder 6 is unlocked, the push system 5 can move to the left or right, and the locking notch 7a extrudes the engaging end 82, so that the sliding plate 7 moves in the direction of the extruding end 81.

[0027] The extrusion end 81 has an extrusion slope that abuts against the end of the axle 21, the engaging end is in a "V" shape, and the locking notch 7a is in a V shape.

[0028] The left movable plate 3 and the right movable plate 3' are perpendicular to each other. The left movable plate 3 is provided with a left guide bar 31. A transmission plate 9 is provided between the sliding plate 7 and the right movable plate 3'. The transmission plate 9 is provided with a right guide bar 91. The sliding plate 7 is provided with a pair of sliding parts 71 respectively slidingly matched with the left guide bar 31 and the right guide bar 91. The sliding part 71 is a sliding groove formed by a pair of convex strips. The right movable plate 3' is provided with a transmission chute 30a'. The transmission plate 9 is provided with an extrusion part 92 matched with the transmission chute 30a'. The right movable plate 3' is also provided with an anti-slip groove 30b' connected with the transmission chute 30a' and arranged along the moving direction of the transmission plate 9. When the pusher 5 moves to the left, the transmission block moves in the anti-slip groove 30b'. When the pusher 5 moves to the right, the transmission block squeezes the side wall of the transmission chute 30a' to drive the right movable plate 3' to unlock the right rotating bolt module 10'. The upper surface edge of the sliding plate 7 is provided with convex strips 73 located on both sides of the pusher, and the convex strips are used for sliding connection with the pusher.

[0029] The wheel axle 21 is provided with a matching inclined surface which fits with the extrusion inclined surface.

[0030] The pusher 5, the left movable plate 3, the right movable plate 3', the transmission plate 9 and the cam 61 are slidably connected to the lock housing 4 respectively.

[0031] There is an escape gap 300 between the left movable plate 3 and the engaging end 101 of the left rotary bolt module 10 , and the escape gap allows the pusher 5 to move rightward to drive the right rotary bolt module 10 ′ to unlock.

[0032] Similar to the rotary lock tongue module of the prior art CN218509246U, the left rotary lock tongue module 10 or the right rotary lock tongue module 10' comprises a component, a torsion spring and a frame, a rotating shaft is provided on both sides of the component, the frame is provided with an elastic locking arm, a torsion spring is located between the component and the frame body, the component is provided with a locking portion, the free end of the elastic locking arm is provided with an abutting portion which abuts against the locking portion when the component is in the locked position to prevent the component from rotating to the unlocked position, and the free end is provided with an engaging end portion for driving the abutting portion to disengage from the locking portion.

[0033] The cipher wheel mechanism 2 is the same as the cipher wheel mechanism of the prior art CN114233117B, and comprises a wheel axle reset spring, a plurality of cipher wheels, a plurality of code adjustment wheels and a code adjustment ring, which are sleeved on the outside of the wheel axle 21; a blocking portion is provided at one end of the wheel axle; the code adjustment wheel has an outer cylindrical tube portion exposing the cipher wheel; the cipher wheel mechanism 2 also comprises a bottom plate 23; the bottom plate 23 is provided with a buckle corresponding to the outer cylindrical tube portion; the buckle comprises a pair of elastic clamping arms located on both sides of the code adjustment wheel and extending toward the upper center of the outer cylindrical tube portion; the bottom plate 23 is also provided with a first limiting portion and a second limiting portion respectively cooperating with the blocking portion and the code adjustment ring; the wheel axle 21 is provided with a fixed installation groove cooperating with the code adjustment ring; the code adjustment ring is provided with an elastic buckle inserted into the fixed installation groove; an anti-dropping portion is provided at one end of the fixed installation groove facing away from the blocking portion; the cipher wheel is provided with a plurality of clutch blocks; the code adjustment wheel is provided with a plurality of alignment blocks cooperating with the clutch blocks.

[0034] Different from the prior art, the code wheel mechanism 2 further includes a guide block 22 located between the blocking portion and the bottom plate 23, a matching inclined surface is arranged at the guide block 22, the guide block 22 is provided with a connecting groove 221 of the receiving portion 70 and the blocking portion, and the guide block 22 is slidably connected to the bottom plate 23. In other embodiments, the guide block 22 can be integrally formed with the wheel shaft 21.

[0035] The surface of the lock housing 4 is provided with a limiting groove 41 for limiting the moving range of the pusher 5.

[0036] In the utility model, when the code wheel mechanism 2 is unlocked, the pusher 5 can move leftward or rightward through the locking notch 7a to squeeze the bite end 82, thereby squeezing the wheel shaft 21 to contract; when the code wheel mechanism 2 is locked, the squeezing end 81 of the transmission block 8 is restricted from moving in the direction opposite to the bite end; when the lock cylinder 6 is locked, the cam 61 abuts against the side wall of the accommodating portion 70 to restrict the sliding plate 7 from moving in the direction opposite to the squeezing end 81, and when the lock cylinder 6 is unlocked, the pusher 5 can move leftward or rightward, the locking notch 7a squeezes the bite end 82, and the sliding plate 7 moves in the direction opposite to the squeezing end 81. A double-layer luggage code lock that can be selectively unlocked is realized.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-layer luggage combination lock with optional unlocking, comprising a lock shell, a combination wheel mechanism, a push mechanism, a lock core arranged at the push mechanism, a pair of left-side rotating lock tongue modules and a pair of right-side rotating lock tongue modules located at both sides of the push mechanism, characterized in that: The lock core is locked and the cam is pressed against the side wall of the accommodating portion to limit the sliding plate from sliding relative to the push system. When the lock core is unlocked, the sliding plate can slide relative to the push system. The lock core is locked and the cam is pressed against the side wall of the accommodating portion to limit the sliding plate from sliding relative to the push system. When the lock core is unlocked, the sliding plate can slide relative to the push system. The sliding plate is provided with a locking notch, a transmission block between the sliding plate and the end of the wheel axle, the transmission block is slidably connected to the lock housing, and the transmission block has a bite end portion accommodated in the locking notch and an extrusion end for extruding the wheel axle to contract. The push mechanism can move to the left to drive the left movable plate to unlock the left rotating bolt module, and the push mechanism can also move to the right to drive the right movable plate to unlock the right rotating bolt module; When the password wheel mechanism is unlocked, the pusher can move leftward or rightward through the locking notch to squeeze the engaging end portion, thereby squeezing the wheel shaft to contract; when the password wheel mechanism is locked, the squeezing end of the transmission block is restricted from moving in the direction away from the engaging end portion; When the lock core is locked, the cam abuts against the side wall of the accommodating portion to limit the sliding plate from moving in the direction away from the extrusion end. When the lock core is unlocked, the pusher can move leftward or rightward, and the locking notch squeezes the engaging end to move the sliding plate in the direction away from the extrusion end.

2. The double-layer luggage combination lock with selectable unlocking according to claim 1, characterized in that: The extrusion end has an extrusion slope that abuts against the end of the wheel axle, the engagement end is in a "V" shape, and the locking notch is in a V shape.

3. The double-layer luggage combination lock with selectable unlocking according to claim 2, characterized in that: The left movable plate and the right movable plate are perpendicular to each other, the left movable plate is provided with a left guide bar, a transmission plate is provided between the sliding plate and the right movable plate, the transmission plate is provided with a right guide bar, the sliding plate is provided with a pair of sliding parts that respectively slidably cooperate with the left guide bar and the right guide bar, the right movable plate is provided with a transmission bevel, the transmission plate is provided with an extrusion part that cooperates with the transmission bevel, and the right movable plate is also provided with an anti-slip groove that is connected to the transmission bevel and is arranged along the moving direction of the transmission plate. When the pushing system moves to the left, the transmission block moves in the anti-slip groove, and when the pushing system moves to the right, the transmission block squeezes the side wall of the transmission bevel to drive the right movable plate to unlock the right rotary lock tongue module.

4. The double-layer luggage combination lock with selectable unlocking according to claim 3, characterized in that: The wheel axle is provided with a matching inclined surface which is in contact with the extrusion inclined surface.

5. The double-layer luggage combination lock with selectable unlocking according to claim 4, characterized in that: The pusher, the left movable plate, the right movable plate, the transmission plate and the cam are respectively slidably connected with the lock housing.

6. The double-layer luggage combination lock with selectable unlocking according to claim 5, characterized in that: There is an escape gap between the left movable plate and the engaging end of the left rotary lock tongue module, and the escape gap allows the push-type plate to move rightward to drive the right rotary lock tongue module to unlock.

7. The double-layer luggage combination lock with selectable unlocking according to claim 6, characterized in that: The left-side rotating lock tongue module or the right-side rotating lock tongue module includes a component, a torsion spring, and a frame, wherein rotating shafts are provided on both sides of the component, the frame is provided with an elastic locking arm, and the torsion spring is located between the component and the frame body, the component is provided with a locking portion, and the free end of the elastic locking arm is provided with an abutting portion that abuts against the locking portion when the component is in the locking position to prevent the component from rotating to the unlocking position, and the free end is provided with an engaging end portion for driving the abutting portion to disengage from the locking portion.

8. The double-layer luggage combination lock with selectable unlocking according to claim 7, characterized in that: The cipher wheel mechanism comprises an axle reset spring, a plurality of cipher wheels, a plurality of code adjustment wheels and a code adjustment ring, wherein a blocking portion is provided at one end of the axle, the code adjustment wheel has an outer cylindrical tube portion exposing the cipher wheel, the cipher wheel mechanism also comprises a bottom plate, the bottom plate is provided with a buckle corresponding to the outer cylindrical tube portion, the buckle comprises a pair of elastic clamping arms located on both sides of the code adjustment wheel and extending toward the upper center of the outer cylindrical tube portion; the bottom plate is also provided with a first limiting portion and a second limiting portion respectively cooperating with the blocking portion and the code adjustment ring, the axle is provided with a fixed installation groove cooperating with the code adjustment ring, the code adjustment ring is provided with an elastic buckle inserted into the fixed installation groove, an anti-dropping portion is provided at one end of the fixed installation groove facing away from the blocking portion, the cipher wheel is provided with a plurality of clutch blocks, and the code adjustment wheel is provided with a plurality of alignment blocks cooperating with the clutch block.

9. The double-layer luggage combination lock with selectable unlocking according to claim 8, characterized in that: The cipher wheel mechanism further comprises a guide block located between the blocking portion and the bottom plate, the matching slope is arranged at the guide block, the guide block is provided with a connecting groove for accommodating part of the blocking portion, and the guide block is slidably connected to the bottom plate.

10. The double-layer luggage combination lock with selectable unlocking according to claim 9, characterized in that: The surface of the lock housing is provided with a limiting groove for limiting the pushing movement range.

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