WO2021114363A1 - Luggage lock - Google Patents

Abstract

A luggage lock, comprising a lock body (2) mounted on a luggage body (1) and a middle hook plate (4) mounted on a luggage cover (3). A hook part (5) is formed on each of two lower ends of the middle hook plate (4); the hook parts (5) on the two lower ends of the middle hook plate (4) are arranged opposite to each other; the lock body (2) comprises a shell (6); insertion holes (7) respectively allowing insertion of the hook parts (5) are formed on the upper end of the shell (6); a TSA customs combination lock cylinder, a key lock cylinder (8), and a hook part locking mechanism are mounted in the shell (6); the hook part locking mechanism comprises a lock rod (9); the combination lock cylinder and the key lock cylinder (8) are separately in linkage fit with the hook part locking mechanism to control the lock rod (9) to be hooked by the hook parts (5). According to the luggage lock, luggage can be locked or unlocked by means of a combination lock, and can also be locked or unlocked by means of a key lock. The convenience of using luggage is improved under a double insurance effect, and the practicality is high.

Description

A kind of luggage lock Technical field

The invention belongs to the technical field of luggage locks, and specifically relates to a luggage lock.

Background technique

Existing luggage and bags all use customs code locks. The customs code locks only need to remember the password to open the luggage, eliminating the need to carry the key with you. But when the code is forgotten, or the code of the code lock is rotated and cannot be turned, the bag cannot be opened again. The luggage can only be opened by breaking the code lock. Therefore, it is necessary to improve the existing luggage locks.

Summary of the invention

technical problem

The solution to the problem

Technical solutions

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 the box body and a middle hook plate installed on the box cover, and both sides of the lower end of the middle hook plate are respectively provided with hooks. The hooks on both sides of the lower end of the middle hook plate are arranged opposite to each other. The lock body includes a shell. The upper end of the shell has holes for the hooks to be inserted. The TSA customs code lock cylinder and the key lock cylinder are installed in the shell. , Hook part locking mechanism, the hook part locking mechanism includes a lock rod, the code lock cylinder and the key lock cylinder are respectively linked with the hook part locking mechanism to control the lock rod for the hook part to hook.

As a preference of the above technical solution, the rear end of the housing is detachably fixed with a back cover, the hook locking mechanism includes a linkage rod, the linkage rod and the lock rod are parallel, and the linkage rod and the lock rod pass between A plurality of connecting rods are connected. The two ends of the linkage rod are respectively bent vertically toward the lock rod and then vertically bent toward the two ends of the housing to form a cylindrical part. The TSA customs code lock cylinder includes a customs key lock part and a code lock Part, the customs key lock part includes a customs key lock cylinder that is screwed in cooperation with the customs key. The customs key lock cylinder is connected with a first transmission cap. The rotation of the customs key lock cylinder drives the rotation of the first transmission cap. One side of the first transmission cap It is provided with an arc groove, the key lock core part is screwed by a key, the key lock core part is connected with a second transmission cap, the rotation of the key lock core part drives the second transmission cap to rotate, the second transmission cap and the first transmission cap The structure is the same, the cylindrical part at one end of the linkage rod extends into the arc-shaped groove of the first transmission cap, and the cylindrical part at the other end extends into the arc-shaped groove of the second transmission cap. The combination lock part includes a plurality of rotatable The digital wheel is installed in the housing, the digital wheels are arranged at intervals, one side of the digital wheel is fixedly connected with a pulley, the pulley is coaxial with the digital wheel, and the pulley is provided with a card slot, adjacent to the connecting rod An installation space is formed between the number wheel and the pulley to pass through, the back of the connecting rod has a protrusion, the connecting rod corresponds to the pulley, and the front of the connecting rod is installed with a spring, which is clamped between the connecting rod and the back cover.

As a preference 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 embedding the square protrusions.

As a preference of the above-mentioned technical solution, a number of limit slots are provided on the circumferential surface of the number wheel, and the limit slots are located between two adjacent numbers on the number wheel. A number of shrapnels are installed in the housing. One end is provided with a limiting protrusion that can be inserted into the limiting groove, and the other end is set as a fixing part.

As a preference of the above technical solution, the fixing parts of all the elastic pieces are connected as a whole and fixed in the housing.

As a preference of the above technical solution, the front of the connecting rod is provided with a cylindrical protrusion, the rear cover is provided with a limit ring, one end of the spring is sleeved on the cylindrical protrusion, and the other end is clamped into the limit ring.

As a preference of the above technical solution, a handle is provided on the box body, and both ends of the handle are rotatably mounted on the two ends of the housing through a rotating shaft.

As a preference of the above technical solution, a torsion spring is sleeved on the rotating shaft, and the handle is maintained in a state of being attached to the box body by the torsion spring.

As a preference of the above technical solution, the boxes on both sides of the housing are respectively provided with side lock bodies, and the side lock bodies include a fixed plate for fixing on the box body, a movable cover plate covering the fixed plate, and a movable cover plate. One end of the cover plate is hinged to the fixed plate, and the other end is equipped with a lock hook. The fixed plate is provided with a lock hole for the lock hook to be inserted. The lock hook is connected to the unlocking slider. The movable cover is provided with a sliding groove to unlock the slider. It is slidably installed in the chute, one end of the unlocking slider is equipped with a hand push part, the other end is equipped with a locking spring, a spring is installed between the fixed plate and the movable cover, and between the movable cover and the fixed plate A lock hole is formed, a lock bolt is fixed on the movable cover plate, a side lock plate corresponding to the lock hole is fixed on the box cover, and 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 The corresponding locking hole.

As a preference of the above technical solution, the side lock 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 insert, and the upper end of the box body faces the inner side of the box body. After bending, it is bent upward to form a groove plate, the shell is fixed on the groove plate, and the upper end of the groove plate is provided with positioning grooves for inserting positioning inserts.

The beneficial effects of the invention

Beneficial effect

The beneficial effects of the present invention are: the luggage lock of the present invention provides a variety of unlocking methods for users to choose. The traditional luggage code lock and the key lock are combined, that is, the luggage can be locked or unlocked by the code lock, and the key can be used Locking or unlocking the luggage, the double insurance function improves the convenience when the luggage is used, and the practicability is strong.

Brief description of the drawings

Description of the drawings

Figure 1 is a schematic diagram of the structure of the present invention;

Figure 2 is a schematic diagram of the structure of the lock body;

Figure 3 is a schematic diagram of the back structure of the lock body;

Figure 4 is a schematic diagram of the internal structure of the lock body;

Figure 5 is another schematic diagram of the internal structure of the lock body;

Figure 6 is a schematic structural view of the back cover;

Figure 7 is a schematic diagram of the structure of the shrapnel;

Figure 8 is a schematic view of the structure of the first transmission cap;

Figure 9 is a schematic view of the structure of the hook locking mechanism;

Figure 10 is a schematic view of the structure of the side lock body;

Figure 11 is a schematic diagram of the structure of the movable cover;

Figure 12 is a schematic diagram of the structure of a digital runner.

The best embodiment for implementing the invention

The best mode of the present invention

The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

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

In the description of the present invention, it should be noted that the terms "installed", "connected", and "connected" should be understood in a broad sense unless otherwise clearly specified and limited. For example, they can be fixed or detachable. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in the present invention can be understood in specific situations.

As shown in Figure 1-12, a luggage lock includes a lock body 2 installed on the box body 1 and a middle hook plate 4 installed on the box cover 3. The middle hook plate 4 has hooks on both sides of the lower end. 5. The hooks 5 on both sides of the lower end of the middle hook plate 4 are arranged opposite to each other. The lock body 2 includes a housing 6. The upper end of the housing 6 has sockets 7 into which the hooks 5 are inserted. TSA customs code lock cylinder, key lock cylinder 8, hook locking mechanism, the hook locking mechanism includes a lock bar 9, the code lock cylinder, key lock cylinder 8 are linked with the hook locking mechanism to control the lock bar 9 The hook part 5 is hooked. After the box cover 3 is covered on the box body 1, the hook 5 extends from the insertion hole 7 into the inside of the housing 6 and then hooks both ends of the lock rod 9 so that the box cover 3 and the box body 1 are locked. The TSA customs code 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 realize unlocking. After the box cover 3 is covered on the box body 1, the lock cylinder 8 is locked by the TSA customs code lock or the key lock cylinder 8 is locked by the key. The hook locking mechanism is linked to reset the lock rod 9 and the hook 5 hooks the lock rod 9 two times. End, so that the box cover 3 and the box body 1 are locked tightly.

Further, the rear end of the housing 6 is detachably fixed with a rear cover 10, the hook locking mechanism includes a linkage rod 11, the linkage rod 11 and the lock rod 9 are parallel, the linkage rod 11 and the lock rod 9 They are connected by a number of connecting rods 12. The two ends of the linkage rod 11 are respectively bent vertically toward the lock rod 9 and then vertically bent toward both ends of the housing to form a cylindrical portion 13. The linkage rod 11 is rotatably mounted on the housing In the body, the TSA customs code lock cylinder includes a customs key lock part 14 and a code lock part 15. The customs key lock part 14 includes a customs key lock cylinder 16 that is screwed in cooperation with the customs key. The customs key lock cylinder 16 is connected with a A transmission cap 17, the customs key lock cylinder 16 rotates to drive the first transmission cap to rotate 18. One side of the first transmission cap 18 is provided with an arc-shaped groove 19, the key lock cylinder part 8 is screwed by a key, and the key lock cylinder The part 8 is connected with the second transmission cap 20. The rotation of the key lock core part 8 drives the rotation of the second transmission cap 20. The second transmission cap 20 has the same structure as the first transmission cap 18. The cylindrical part 13 at one end of the linkage rod 11 extends into the first transmission cap. In the arc-shaped groove 19 of the transmission cap 18, the cylindrical portion 13 at the other end extends into the arc-shaped groove 19 of the second transmission cap 20. The code lock portion 15 includes a plurality of rotatably installed in the housing 6 The number wheels 21 are arranged at intervals. One side of the number wheels 21 is fixedly connected with a pulley 22. The pulley 22 is coaxial with the number wheel 21. The pulley 22 is provided with a card slot 23, adjacent to each other. A mounting space 48 is formed between the connecting rods 12 for the number wheel 21 and the pulley 22 to pass through. The back of the connecting rod 12 has a protrusion 24, the connecting rod 12 corresponds to the pulley 22, and the front of the connecting rod 22 is equipped with a spring. The spring is clamped between the connecting rod 12 and the rear cover 10. The spring keeps the lock lever 9 away from the insertion hole 7. When the customs lock is locked, the customs key lock cylinder 16 rotates, driving the first transmission cap 18 to rotate, the arc-shaped groove 19 rotates, and the cylindrical portion 13 is linked, so that the linkage rod 11 rotates, the connecting rod 12 overcomes the elastic force of the spring, and the lock rod 9 Move to the bottom of the socket 7 to catch the hook 5. When the customs lock is unlocked, the customs key lock cylinder 16 rotates in the reverse direction, the first transmission cap 18 rotates in the reverse direction, the arc-shaped groove 19 rotates in the reverse direction, the cylindrical portion 13 is linked, the linkage rod 11 rotates in the reverse direction under the force of the spring, and the lock The rod 9 is moved away from below the insertion hole 7, and the hook part 5 is separated from the lock rod 9 to realize unlocking. When unlocked by the code lock part 15, the number wheel 21 rotates and drives the pulley 22 to rotate. When the grooves 23 on all the pulleys 22 are facing the protrusion 24 on the back of the connecting rod 12, the protrusion 24 is under the action of the spring. It is inserted into the card slot 23, the lock rod 9 is moved away from below the socket 7, and the hook part 5 is separated from the lock rod 9 to realize unlocking. Rotate the number wheel 21 to disengage the protrusion 24 from the slot 23, push the connecting rod 12 to move, so that the lock rod 9 is restored to the bottom of the socket 7, and the hook 5 hooks the lock 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, driving the second transmission cap 20 to rotate, the arc-shaped groove 19 on the second transmission cap 20 rotates, and the cylindrical portion 13 is linked to make the linkage rod 11 rotates, the connecting rod 12 overcomes the elastic force of the spring, and the lock rod 9 moves to the bottom of the socket 7 to clamp the hook 5. When the key lock core part 8 is unlocked, the key lock core part 8 rotates in the reverse direction, the second transmission cap 18 rotates in the reverse direction, the arc groove 19 rotates in the reverse direction, the cylindrical portion 13 is linked, and the linkage rod 11 is reversed under the force of the spring. Rotate to the left, the lock rod 9 is moved away from the bottom of the socket 7, and the hook part 5 is separated from the lock rod 9 to realize unlocking.

Further, the key lock core portion 8 and the customs key lock core 16 are both provided with square protrusions 25, and the first transmission cap 18 and the second transmission cap 20 are respectively provided with square grooves for the square protrusions 25 to be embedded in. .

Further, a plurality of limit grooves 26 are provided on the circumferential surface of the number wheel 21, and the limit grooves 26 are located between two adjacent numbers on the number wheel 21, and a plurality of elastic pieces 27 are installed in the housing 6 One end of the elastic 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 elastic piece 27 forms a clamping effect on the digital wheel 21. The elastic piece 27 makes the digital wheel 21 remain stationary without force, and the digital wheel 21 rotates against the clamping force of the elastic piece 27 under force.

Furthermore, all the fixing parts 29 of the elastic pieces 27 are connected as a whole and fixed in the housing 6.

Further, the front of the connecting rod 12 is provided with a columnar protrusion 30, the rear cover 10 is provided with a limiting ring 31, one end of the spring is sleeved on the columnar protrusion 30, and the other end is clamped into the limiting ring 31.

Further, a handle 32 is provided on the box body 1, and two ends of the handle 32 are rotatably mounted on the two ends of the housing 1 through a rotating shaft. In this way, the lock body part of the bag is provided with a handle 32, and there is no need to separately install a handle on the bag, which reduces the production process of the bag.

Further, a torsion spring is sleeved on the rotating shaft, and the handle 32 is maintained in a state of being attached to the box body 1 by the torsion spring.

Further, the box body 1 on both sides of the housing 6 is respectively provided with side lock bodies 33, the side lock bodies 33 include a fixed plate 34 for fixing on the box body 1, and a movable cover covering the fixed plate 34 One end of the movable cover plate 35 is hinged with the fixed plate 34, and the other end is equipped with a lock hook 36. The fixed 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 35 is provided with a sliding groove 39, and the unlocking slider 38 is slidably installed in the sliding groove 39. One end of the unlocking slider 38 is provided with a hand push portion 40, and the other end is installed with a locking spring. The unlocking slider 38 is kept at one end of the sliding groove 39 close to the hand pushing part 40. A spring is provided between the fixed plate 34 and the movable cover 35. A locking hole 41 is formed between the movable cover 35 and the fixed plate 34. A lock bolt 42 is fixed on the cover plate 35, a side lock plate 43 corresponding to the lock hole 41 is fixed on the box cover 3, and a side lock hole 44 is provided in the middle of the side lock plate 43 for the lock bolt 42 to be inserted. The plate 43 is inserted into the corresponding locking hole 41. The box cover 3 is covered on the box body 1 and the rear side lock 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 elastic spring, so that the lock bolt 42 is inserted into the side lock hole 44 and the lock hook 36 Insert into the lock hole 37 and hook the fixing plate 34, the lock hook 36 keeps the state of hooking the fixing plate 34 under the action of the elastic force of the locking spring. Pressing the hand push part 40 makes the lock hook 36 move in the sliding groove 39, the lock hook 36 is disengaged from the lock hole 37 under the elastic force of the spring release spring, and the lock bolt 42 is disengaged from the side lock hole 44, so that it can be opened The lid 3 can be unlocked. The side lock body 33 enables the box cover 3 and the box body 1 to form a locked body at different positions, and the connection between the box cover 3 and the box body 1 is firmer.

Further, the side lock plate 43 is fixed on 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 insert 45. The upper end of the box body 1 faces the box body 1. The inner side of the body 1 is bent and then vertically bent upward to form a groove plate 46. The housing 6 is fixed on the groove plate 46. The upper end of the groove plate 46 is provided with a positioning groove 47 for inserting a positioning insert 45. The cooperation of the inserting strip 45 and the positioning groove 47 facilitates 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.

A sliding cover 47 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 47 can be opened to expose the lock hole of the key lock core part 8 to realize the hidden protection of the lock hole.

It is worth mentioning that the technical features of the TSA customs code lock cylinder and key lock cylinder 8 involved in the patent application of the present invention should be regarded as existing technologies. The specific structure, working principle and possible control methods of these technical features, The spatial arrangement mode can be conventionally selected in the field, and should not be regarded as the invention point of the present invention patent, and the present invention patent will not be further detailed in detail.

The preferred embodiments of the present invention are described in detail above. It should be understood that those of ordinary skill in the art can make many modifications and changes based on the concept of the present invention without creative work. Therefore, those skilled in the art should follow this The concept of the invention can be obtained through logical analysis, reasoning or limited experiments on the basis of the prior art, and all technical solutions shall fall within the scope of protection determined by the claims.

Claims (10)

A luggage lock, which is characterized in that it comprises a lock body installed on the box body and a middle hook plate installed on the box cover. Both sides of the lower end of the middle hook plate are respectively provided with hooks, and the hooks on both sides of the lower end of the middle hook plate are respectively provided with hooks. The lock body includes a housing, and the upper end of the housing has sockets for the hooks to be inserted. The housing is equipped with a TSA customs code lock cylinder, a key lock cylinder, a hook locking mechanism, and a hook lock The tightening mechanism includes a lock rod, and the code lock cylinder and the key lock cylinder are respectively linked with the hook part locking mechanism to control the lock rod for the hook part to hook. The luggage lock according to claim 1, wherein the rear end of the housing is detachably fixed with a back cover, and the hook locking mechanism includes a linkage rod, the linkage rod and the lock rod are parallel, and the linkage The rod and the lock rod are connected by a number of connecting rods. The two ends of the linkage rod are respectively bent vertically toward the lock rod and then vertically bent toward the two ends of the housing to form a cylindrical part. The TSA customs code lock cylinder includes The customs key lock part and the code lock part. The customs key lock part includes a customs key lock cylinder that is screwed in cooperation with the customs key. The customs key lock cylinder is connected to the first transmission cap. The rotation of the customs key lock cylinder drives the rotation of the first transmission cap. One side of the first transmission cap is provided with an arc-shaped groove, the key lock core part is screwed by a key, and the key lock core part is connected with a second transmission cap. The rotation of the key lock core part drives the second transmission cap to rotate. The 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-shaped groove of the first transmission cap, and the cylindrical part at the other end extends into the arc-shaped groove of the second transmission cap. The lock part includes a number of rotatable digital wheels installed in the housing. The digital wheels are arranged at intervals. One side of the digital wheels is fixedly connected with a pulley. The pulley is coaxial with the digital wheel, and the pulley is provided with a card slot. , An installation space is formed between the adjacent connecting rods for the number wheel and the pulley to pass through, the back of the connecting rod has a protrusion, the connecting rod corresponds to the pulley, the front of the connecting rod is installed with a spring, and the spring is clamped on the connecting rod Between and the back cover. The luggage lock according to claim 2, wherein 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 protrusions Embedded square groove. The luggage lock according to claim 3, wherein a plurality of limit slots are provided on the circumferential surface of the number wheel, and the limit slots are located between two adjacent numbers on the number wheel. A number of elastic pieces are installed, one end of the elastic piece is provided with a limiting protrusion that can be inserted into the limiting groove, and the other end is set as a fixing part. The luggage lock according to claim 4, wherein all the fixing parts of the elastic pieces are connected as a whole and fixed in the housing. The luggage lock according to claim 2, wherein the front of the connecting rod is provided with a cylindrical protrusion, the rear cover is provided with a limit ring, one end of the spring is sleeved on the cylindrical protrusion, and the other end is inserted into the limit ring. Position ring in. The luggage lock according to claim 1, wherein a handle is provided on the box body, and two ends of the handle are rotatably mounted on the two ends of the housing through a rotating shaft. 7. The luggage lock according to claim 7, wherein a torsion spring is sleeved on the rotating shaft, and the handle is kept in a state of being attached to the box body by the torsion spring. The luggage lock according to claim 1, wherein the box bodies on both sides of the housing are respectively provided with side lock bodies, and the side lock bodies include a fixing plate for fixing on the box body, which is covered on the fixing plate. One end of the movable cover is hinged with the fixed plate, and the other end is equipped with a lock hook. The fixed plate is provided with a lock hole for the lock hook to be inserted. The lock hook is connected to the unlocking slider. There is a chute, the unlocking slider can be slidably installed in the chute, one end of the unlocking slider is provided with a hand push part, and the other end is equipped with a locking spring. A spring is provided between the fixed plate and the movable cover, which is movable A lock hole is formed between the cover plate and the fixed plate, the movable cover plate is fixed with a lock bolt, the box cover is fixed with a side lock plate corresponding to the lock hole, and the middle of the side lock plate is provided with a side for inserting the lock bolt The lock hole, the side lock plate is inserted into the corresponding lock hole. The luggage lock of claim 9, wherein the side lock plate is fixed on the inner side of the box cover, and 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 insert. The upper end of the box body is bent toward the inside of the box body and then vertically bent upward to form a groove plate. The shell is fixed on the groove plate, and the upper end of the groove plate is provided with a positioning groove for inserting positioning inserts.

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