A luggage lock

Abstract

The present invention discloses a luggage lock, comprising a lock body installed on a box body and a middle hook plate installed on a box cover, the middle hook plate has hook parts on both sides of the lower end, the hook parts on both sides of the lower end of the middle hook plate are arranged oppositely, the lock body comprises a shell, the upper end of the shell has jacks for the hook parts to be inserted, the shell is equipped with a TSA customs password lock cylinder, a key lock cylinder, and a hook locking mechanism, the hook locking mechanism comprises a locking rod, the password lock cylinder and the key lock cylinder are respectively linked with the hook locking mechanism to control the locking rod for the hook part to hook. The luggage lock of the present invention provides a variety of unlocking methods for users to choose, combines the traditional luggage password lock with the key lock, that is, the luggage can be locked or unlocked by the password lock, and can also be locked or unlocked by the key, the double insurance function improves the convenience of luggage when used, and is highly practical.

Description

Technical Field

[0001] The invention belongs to the technical field of luggage locks, and in particular relates to a luggage lock. Background Art

[0002] Existing luggage all use customs password locks. Customs password locks only need to remember the password to open the luggage, eliminating the trouble of carrying keys. However, when the password is forgotten, or the password of the password lock is changed and cannot be turned, the luggage cannot be opened again. The luggage can only be opened by destroying the password lock. Therefore, it is necessary to improve the existing luggage locks. Summary of the invention

[0003] In order to solve the above technical problems, the technical solution adopted by the present invention is: a luggage lock, including a lock body installed on a box body and a middle hook plate installed on a box cover, the middle hook plate has hook parts on both sides of the lower end, and the hook parts on both sides of the lower end of the middle hook plate are arranged relatively, the lock body includes a shell, the upper end of the shell has insertion holes for the hook parts to be inserted, a TSA customs password lock cylinder, a key lock cylinder, and a hook locking mechanism are installed in the shell, the hook locking mechanism includes a locking rod, the password lock cylinder and the key lock cylinder are respectively linked with the hook locking mechanism to control the locking rod for the hook to be hooked.

[0004] As a preferred embodiment of the above technical solution, a rear cover is detachably fixed to the rear end of the shell, and the hook locking mechanism includes a linkage rod, which is parallel to the locking rod, and the linkage rod and the locking rod are connected by a plurality of connecting rods, and the two ends of the linkage rod are respectively bent vertically toward the direction of the locking rod and then bent vertically toward the two ends of the shell to form a cylindrical portion, and the TSA customs password lock core includes a customs key lock part and a password lock part, and the customs key lock part includes a customs key lock core that is turned by a customs key, and the customs key lock core is connected to a first transmission cap, and the rotation of the customs key lock core drives the first transmission cap to rotate, and an arc-shaped groove is provided on one side of the first transmission cap, and the key lock core part is turned by the key. The key lock core part is connected with a second transmission cap, and the rotation of the key lock core part drives the second transmission cap to rotate. The second transmission cap has the same structure as the first transmission cap. The cylindrical part at one end of the linkage rod extends into the arc groove of the first transmission cap, and the cylindrical part at the other end extends into the arc groove of the second transmission cap. The password lock part includes a plurality of rotatable digital wheels installed in the shell, and the digital wheels are arranged at intervals. A pulley is fixedly connected to one side of the digital wheel, and the pulley is coaxial with the digital wheel. A card slot is provided on the pulley, and an installation space for the digital wheel and the pulley to pass through is formed between adjacent connecting rods. The back of the connecting rod has a protrusion, and the connecting rod corresponds to the pulley. A spring is installed on the front of the connecting rod, and the spring is clamped between the connecting rod and the back cover.

[0005] As a preferred embodiment of the above technical solution, the key lock core part and the customs key lock core are both provided with square protrusions, and the first transmission cap and the second transmission cap are respectively provided with square grooves for the square protrusions to be embedded.

[0006] As a preferred embodiment of the above technical solution, a plurality of limit grooves are provided on the circumferential surface of the number wheel, and the limit grooves are located between two adjacent numbers on the number wheel. A plurality of spring sheets are installed in the shell, and one end of the spring sheet has a limit protrusion that can be inserted into the limit groove, and the other end is set as a fixed part.

[0007] As a preferred embodiment of the above technical solution, the fixing parts of all the spring sheets are connected as a whole and fixed in the housing.

[0008] As a preferred embodiment of the above technical solution, a columnar protrusion is provided on the front of the connecting rod, a limiting ring is provided on the rear cover, one end of the spring is sleeved on the columnar protrusion, and the other end is stuck in the limiting ring.

[0009] As a preferred embodiment of the above technical solution, a handle is provided on the box body, and two ends of the handle are rotatably mounted on two ends of the shell body through a rotating shaft.

[0010] As a preferred embodiment of the above technical solution, a torsion spring is sleeved on the rotating shaft, and the handle is kept in contact with the box body by the torsion spring.

[0011] As a preferred embodiment of the above technical solution, side lock bodies are respectively provided on the box bodies on both sides of the shell, and the side lock bodies include a fixed plate for fixing on the box body, a movable cover plate covering the fixed plate, one end of the movable cover plate is hinged with the fixed plate, and a lock hook is installed at the other end, and a lock hole for inserting the lock hook is provided on the fixed plate, and the lock hook is connected to the unlocking slider, and a slide groove is provided on the movable cover plate, and the unlocking slider can be slidably installed in the slide groove, a hand push part is provided at one end of the unlocking slider, and a locking spring is installed at the other end, a pop-up spring is provided between the fixed plate and the movable cover plate, a locking hole is formed between the movable cover plate and the fixed plate, a lock bolt is fixed on the movable cover plate, and a side lock plate corresponding to the locking hole is fixed on the box cover, a side lock hole for inserting the lock bolt is provided in the middle of the side lock plate, and the side lock plate is inserted into the corresponding locking hole.

[0012] As a preferred embodiment of the above technical solution, the side locking plate is fixed on the inner side of the box cover, the lower end of the box cover is horizontally bent toward the inner side of the box body and then vertically bent downward to form a positioning strip, the upper end of the box body is bent toward the inner side of the box body and then vertically bent upward to form a slot plate, the shell is fixed on the slot plate, and the upper end of the slot plate is provided with a positioning slot for inserting the positioning strip.

[0013] The beneficial effects of the present invention are as follows: the luggage lock of the present invention provides a variety of unlocking methods for users to choose from, combining the traditional luggage password lock with the key lock, that is, the luggage can be locked or unlocked by the password lock, and can also be locked or unlocked by the key. The double insurance effect improves the convenience of using the luggage and is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the present invention;

[0015] Figure 2 It is a schematic diagram of the structure of the lock body;

[0016] Figure 3 It is a schematic diagram of the back structure of the lock body;

[0017] Figure 4 It is a schematic diagram of the internal structure of the lock body;

[0018] Figure 5 It is another schematic diagram of the internal structure of the lock body;

[0019] Figure 6 It is a schematic diagram of the structure of the back cover;

[0020] Figure 7 It is a schematic diagram of the structure of the shrapnel;

[0021] Figure 8 is a schematic diagram of the structure of the first transmission cap;

[0022] Fig. 9 It is a structural schematic diagram of the hook locking mechanism;

[0023] Fig.10 It is a schematic diagram of the structure of the side lock body;

[0024] Fig.11 It is a structural schematic diagram of a movable cover;

[0025] Fig.12 It is a schematic diagram of the digital wheel structure. DETAILED DESCRIPTION

[0026] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] like Figure 1-12 As shown, a luggage lock includes a lock body 2 installed on a box body 1 and a middle hook plate 4 installed on a box cover 3, the lower end of the middle hook plate 4 has hooks 5 on both sides, and the hooks 5 on both sides of the lower end of the middle hook plate 4 are arranged oppositely, the lock body 2 includes a shell 6, the upper end of the shell 6 has a socket 7 for the hooks 5 to be inserted, the shell 6 is installed with a TSA customs password lock cylinder, a key lock cylinder 8, and a hook locking mechanism, the hook locking mechanism includes a lock rod 9, the password lock cylinder and the key lock cylinder 8 are respectively linked with the hook locking mechanism to control the lock rod 9 for the hook 5 to hook. After the box cover 3 is covered on the box body 1, the hook 5 extends from the socket 7 into the shell 6 and hooks the two ends of the lock rod 9, so that the box cover 3 is locked with the box body 1. The TSA customs password lock cylinder is unlocked or the key lock cylinder 8 is unlocked by a key, and the hook locking mechanism is linked to shift the lock rod 9 to achieve unlocking. After the box cover 3 is covered on the box body 1, it is locked by the TSA customs password lock cylinder or the key lock cylinder 8 is locked by the key, and the hook locking mechanism is linked to reset the locking rod 9, and the hook 5 hooks the two ends of the locking rod 9, so that the box cover 3 and the box body 1 are locked.

[0030] Furthermore, a rear cover 10 is detachably fixed to the rear end of the shell 6, and the hook locking mechanism includes a linkage rod 11, which is parallel to the lock rod 9, and the linkage rod 11 and the lock rod 9 are connected by a plurality of connecting rods 12. The two ends of the linkage rod 11 are respectively bent vertically toward the lock rod 9 and then bent vertically toward the two ends of the shell to form a cylindrical portion 13, and the linkage rod 11 is rotatably installed in the shell. The TSA customs password lock core includes a customs key lock part 14 and a password lock part 15, and the customs key lock part 14 includes a customs key lock core 16 that is twisted by a customs key, and the customs key lock core 16 is connected to a first transmission cap 18, and the rotation of the customs key lock core 16 drives the first transmission cap 18 to rotate, and an arc groove 19 is provided on one side of the first transmission cap 18, and the key lock core part 8 is twisted by a key, and the key lock core part 8 is connected to a second transmission cap 18. The key lock cylinder part 8 rotates to drive the second transmission cap 20 to rotate. The second transmission cap 20 has the same structure as the first transmission cap 18. The cylindrical portion 13 at one end of the linkage rod 11 extends into the arc groove 19 of the first transmission cap 18, and the cylindrical portion 13 at the other end extends into the arc groove 19 of the second transmission cap 20. The password lock part 15 includes a plurality of rotatable digital wheels 21 installed in the housing 6. The digital wheels 21 are arranged at intervals. A pulley 22 is fixedly connected to one side of the digital wheel 21. The pulley 22 is coaxial with the digital wheel 21. A card slot 23 is provided on the pulley 22. An installation space 48 for the digital wheel 21 and the pulley 22 to pass through is formed between the adjacent connecting rods 12. The back of the connecting rod 12 has a protrusion 24. The connecting rod 12 corresponds to the pulley 22. A spring is installed on the front of the connecting rod 12, and the spring is clamped between the connecting rod 12 and the back cover 10. The spring keeps the lock rod 9 away from the jack 7. When locking through the customs lock, the customs key lock cylinder 16 rotates, driving the first transmission cap 18 to rotate, the arc groove 19 to rotate, and the cylindrical part 13 to rotate, so that the linkage rod 11 rotates, the connecting rod 12 overcomes the spring elastic force, and the locking rod 9 moves to the bottom of the jack 7 to clamp the hook 5. When unlocking through the customs lock, the customs key lock cylinder 16 rotates in the opposite direction, the first transmission cap 18 rotates in the opposite direction, the arc groove 19 rotates in the opposite direction, the cylindrical part 13 is linked, and the linkage rod 11 rotates in the opposite direction under the action of the spring, the locking rod 9 moves away from the bottom of the jack 7, and the hook 5 is separated from the locking rod 9 to achieve unlocking. When unlocking through the password lock part 15, the number wheel 21 rotates and drives the pulley 22 to rotate. When the card slots 23 on all the pulleys 22 are facing the protrusions 24 on the back of the connecting rod 12, under the action of the spring, the protrusions 24 are embedded in the card slots 23, the locking rod 9 moves away from the bottom of the jack 7, and the hook 5 is separated from the locking rod 9 to achieve unlocking. The number wheel 21 is rotated to disengage the protrusion 24 from the slot 23, pushing the connecting rod 12 to move, so that the locking rod 9 is restored to below the insertion hole 7, and the hook 5 hooks the locking rod 9 to achieve locking.When the key lock core part 8 is locked, the key drives the key lock core part 8 to rotate, drives the second transmission cap 20 to rotate, the arc groove 19 on the second transmission cap 20 rotates, and the cylindrical part 13 is linked, so that the linkage rod 11 rotates, the connecting rod 12 overcomes the spring elastic force, and the lock rod 9 moves to the bottom of the insertion hole 7 to clamp the hook 5. When the key lock core part 8 is unlocked, the key lock core part 8 rotates in the opposite direction, the second transmission cap 18 rotates in the opposite direction, the arc groove 19 rotates in the opposite direction, the cylindrical part 13 is linked, and the linkage rod 11 rotates in the opposite direction under the action of the spring, the lock rod 9 moves away from the bottom of the insertion hole 7, and the hook 5 is separated from the lock rod 9 to achieve unlocking.

[0031] Furthermore, the key lock core part 8 and the customs key lock core 16 are both provided with a square protrusion 25, and the first transmission cap 18 and the second transmission cap 20 are respectively provided with a square groove for the square protrusion 25 to be embedded.

[0032] Furthermore, a plurality of limiting grooves 26 are provided on the circumferential surface of the number wheel 21, and the limiting grooves 26 are located between two adjacent numbers on the number wheel 21. A plurality of spring pieces 27 are installed in the housing 6, and one end of the spring piece 27 has a limiting protrusion 28 that can be inserted into the limiting groove 26, and the other end is set as a fixing portion 29. The spring piece 27 clamps the number wheel 21, and the spring piece 27 makes the number wheel 21 remain stationary when no force is applied, and the number wheel 21 rotates to overcome the clamping force of the spring piece 27 when a force is applied.

[0033] Furthermore, the fixing portions 29 of all the spring pieces 27 are connected as a whole and fixed in the housing 6 .

[0034] Furthermore, a columnar protrusion 30 is provided on the front of the connecting rod 12 , and a limiting ring 31 is provided on the rear cover 10 . One end of the spring is sleeved on the columnar protrusion 30 , and the other end is clamped in the limiting ring 31 .

[0035] Furthermore, the box body 1 is provided with a handle 32, and the two ends of the handle 32 are rotatably mounted on the two ends of the housing 6 through a rotating shaft. In this way, the lock body part of the bag has a handle 32, and there is no need to install a handle on the bag, thereby reducing the production process of the bag.

[0036] Furthermore, a torsion spring is sleeved on the rotating shaft, and the handle 32 is kept in contact with the box body 1 by the torsion spring.

[0037] Furthermore, the box bodies 1 on both sides of the shell 6 are respectively provided with side lock bodies 33, and the side lock bodies 33 include a fixing plate 34 for fixing on the box body 1, and a movable cover plate 35 covering the fixing plate 34. One end of the movable cover plate 35 is hinged to the fixing plate 34, and a lock hook 36 is installed on the other end. The fixing plate 34 is provided with a lock hole 37 for the lock hook 36 to be inserted. The lock hook 36 is connected to the unlocking slider 38. The movable cover plate 35 is provided with a slide groove 39. The unlocking slider 38 can be slidably installed in the slide groove 39. The unlocking slider 38 A hand-pushing part 40 is provided at one end, and a locking spring is installed at the other end. The locking spring keeps the unlocking slider 38 close to one end of the hand-pushing part 40 in the slide groove 39. A spring-opening spring is provided between the fixed plate 34 and the movable cover plate 35. A locking hole 41 is formed between the movable cover plate 35 and the fixed plate 34. A locking bolt 42 is fixed on the movable cover plate 35. A side locking plate 43 corresponding to the locking hole 41 is fixed on the box cover 3. A side locking hole 44 for inserting the locking bolt 42 is provided in the middle of the side locking plate 43. The side locking plate 43 is inserted into the corresponding locking hole 41. After the box cover 3 is covered on the box body 1, the side locking plate 43 is inserted into the corresponding locking hole 41, and the movable cover plate 35 is pressed to overcome the elastic force of the spring-opening spring, so that the locking bolt 42 is inserted into the side locking hole 44. At the same time, the locking hook 36 is inserted into the locking hole 37 and hooks the fixed plate 34. The locking hook 36 keeps the state of hooking the fixed plate 34 under the elastic force of the locking spring. Pressing the hand push part 40 causes the lock hook 36 to move in the slide groove 39, and the lock hook 36 is disengaged from the lock hole 37 under the elastic force of the spring, and the lock bolt 42 is disengaged from the side lock hole 44, so that the box cover 3 can be opened and unlocked. The side lock body 33 enables the box cover 3 and the box body 1 to form a locking body at different positions, and the connection between the box cover 3 and the box body 1 is more firm.

[0038] Furthermore, the side lock plate 43 is fixed to the inner side of the box cover 3, the lower end of the box cover 3 is horizontally bent toward the inner side of the box body 1 and then vertically bent downward to form a positioning strip 45, the upper end of the box body 1 is bent toward the inner side of the box body 1 and then vertically bent upward to form a slot plate 46, the housing 6 is fixed on the slot plate 46, and the upper end of the slot plate 46 is provided with a positioning groove 47 for inserting the positioning strip 45. The cooperation between the strip 45 and the positioning groove 47 is conducive to the positioning of the box cover 3 and the box body 1, and facilitates the insertion of the hook 5 into the insertion hole 7 and the insertion of the side lock plate 43 into the locking hole 41.

[0039] A sliding cover can also be provided on the housing 6 to cover the lock hole of the key lock core part 8. When in use, the sliding cover can be pushed open to expose the lock hole of the key lock core part 8, thereby realizing a hidden protection setting of the lock hole.

[0040] It is worth mentioning that the technical features such as the TSA customs password lock cylinder and the key lock cylinder 8 involved in the patent application of the present invention should be regarded as the prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected according to the conventional methods in the field, and should not be regarded as the inventive point of the patent of the present invention. The patent of the present invention will not be further elaborated.

[0041] The preferred specific embodiments of the present invention are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the present invention without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field through logical analysis, reasoning or limited experiments based on the concept of the present invention on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A luggage lock, characterized in that: The invention comprises a lock body installed on the box body and a middle hook plate installed on the box cover, the lower end of the middle hook plate is provided with hook parts on both sides, and the hook parts on both sides of the lower end of the middle hook plate are arranged oppositely, the lock body comprises a shell, the upper end of the shell is provided with jacks for the hook parts to be inserted, a TSA customs password lock cylinder, a key lock cylinder, and a hook locking mechanism are installed in the shell, the hook locking mechanism comprises a locking rod, the password lock cylinder and the key lock cylinder are respectively linked with the hook locking mechanism to control the locking rod to be hooked by the hook, the rear end of the shell is detachably fixed with a rear cover, the hook locking mechanism comprises a linkage rod, the linkage rod is parallel to the locking rod, and a plurality of connecting rods are connected between the linkage rod and the locking rod. The two ends of the linkage rod are respectively bent vertically toward the direction of the lock rod and then bent vertically toward the two ends of the shell to form a cylindrical portion. The TSA customs password lock core includes a customs key lock part and a password lock part. The customs key lock part includes a customs key lock core that is turned by a customs key. The customs key lock core is connected to a first transmission cap. The rotation of the customs key lock core drives the first transmission cap to rotate. An arc-shaped groove is provided on one side of the first transmission cap. The key lock core part is turned by a key. The key lock core part is connected to a second transmission cap. The rotation of the key lock core part drives the second transmission cap to rotate. The second transmission cap has the same structure as the first transmission cap. One end of the linkage rod The cylindrical part of the first transmission cap extends into the arc groove of the first transmission cap, and the cylindrical part of the other end extends into the arc groove of the second transmission cap. The password lock part includes a plurality of rotatable digital wheels installed in the shell. The digital wheels are arranged at intervals. A pulley is fixedly connected to one side of the digital wheel. The pulley is coaxial with the digital wheel. A card slot is provided on the pulley. An installation space for the digital wheel and the pulley to pass through is formed between adjacent connecting rods. The back of the connecting rod has a protrusion. The connecting rod corresponds to the pulley. A spring is installed on the front of the connecting rod. The spring is clamped between the connecting rod and the back cover. Side lock bodies are respectively provided on the boxes on both sides of the shell. The side lock bodies include a A fixed plate on the box body, a movable cover plate covering the fixed plate, one end of the movable cover plate is hinged with the fixed plate, and a lock hook is installed at the other end. A lock hole for inserting the lock hook is provided on the fixed plate, and the lock hook is connected to the unlocking slider, and a slide groove is provided on the movable cover plate. The unlocking slider can be slidably installed in the slide groove. A hand-pushing part is provided at one end of the unlocking slider, and a locking spring is installed at the other end. A pop-up spring is provided between the fixed plate and the movable cover plate, and a locking hole is formed between the movable cover plate and the fixed plate. A lock bolt is fixed on the movable cover plate, and a side lock plate corresponding to the locking hole is fixed on the box cover. A side lock hole for inserting the lock bolt is provided in the middle of the side lock plate, and the side lock plate is inserted into the corresponding locking hole.

2. The luggage lock according to claim 1, characterized in that: The key lock core part and the customs key lock core are both provided with square protrusions, and the first transmission cap and the second transmission cap are respectively provided with square grooves for the square protrusions to be embedded.

3. The luggage lock according to claim 2, characterized in that: A plurality of limit grooves are arranged on the circumferential surface of the number wheel, and the limit grooves are located between two adjacent numbers on the number wheel. A plurality of spring pieces are installed in the shell, and one end of the spring piece has a limit protrusion that can be inserted into the limit groove, and the other end is set as a fixing part.

4. The luggage lock according to claim 3, characterized in that: The fixing parts of all the spring sheets are connected as a whole and fixed in the shell.

5. The luggage lock according to claim 1, characterized in that: A columnar protrusion is provided on the front of the connecting rod, a limiting ring is provided on the rear cover, one end of the spring is sleeved on the columnar protrusion, and the other end is clamped in the limiting ring.

6. The luggage lock according to claim 1, characterized in that: The box body is provided with a handle, and two ends of the handle are rotatably mounted on two ends of the shell body through a rotating shaft.

7. The luggage lock according to claim 6, characterized in that: The rotating shaft is sleeved with a torsion spring, and the handle is kept in a state of being in contact with the box body by the torsion spring.

8. The luggage lock according to claim 1, characterized in that: The side locking plate is fixed on the inner side of the box cover, the lower end of the box cover is horizontally bent toward the inner side of the box body and then vertically bent downward to form a positioning strip, the upper end of the box body is bent toward the inner side of the box body and then vertically bent upward to form a slot plate, the shell is fixed on the slot plate, and the upper end of the slot plate is provided with a positioning slot for inserting the positioning strip.

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