Coded lock for luggage

Abstract

The utility model relates to the technical field of locks, in particular to a coded lock for luggage, which comprises an upper cover and a base detachably connected with the upper cover, a lock cavity is formed between the upper cover and the base, a code changing mechanism, a code wheel component and a lock cylinder mechanism are sequentially arranged in the lock cavity from the left end to the right end, and the lock cylinder mechanism is linked with the code wheel component. An unlocking shifting block is arranged in the password wheel assembly, the lock cylinder mechanism comprises a lock cylinder linkage seat connected with the unlocking shifting block, two lock hooks rotationally installed in the upper cover and an elastic piece limiting rotation of the lock hooks, and the elastic piece is arranged on the base. The lock cylinder linkage base is provided with a pressing block which presses the elastic piece downwards to enable the lock hook to rotate so as to achieve unlocking when the unlocking shifting block moves towards the direction of the password wheel assembly. The lock cylinder linkage base has the advantages that the using stability of the password lock is enhanced, and the using feeling of a user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of locks, in particular to a combination lock for bags. Background Art

[0002] Luggage is often used for traveling and business trips. For anti-theft considerations, a combination lock is added to the design of the luggage. The patent number is CN215671635U The utility model discloses a luggage password lock, comprising a bottom box (10), a bottom plate (20), an upper cover (30), a password wheel assembly (40), and a lock assembly (50), wherein the upper cover (30) is embedded in the inner cavity of the bottom box (10), the bottom plate (20) is located at the bottom of the upper cover (30), the password wheel assembly (40) and the lock assembly (50) are both arranged on the bottom plate (20), and one end of the password wheel assembly (40) is in contact with the lock assembly (50), the lock assembly (50) comprises a push button (51) and two lock hooks (52), the upper end of the upper cover (30) is provided with a lock hole (31) corresponding to the lock hook (52), the lock assembly (50) further comprises a sliding seat (53) and a lock hook spring piece (54), the sliding seat (53) and the lock hook spring piece (54) are connected to each other. The bottom plate (20) is slidably connected, the lock hook (52) is fixedly connected to the sliding seat (53), the lower end of the push button (51) is fixedly connected to one end of the sliding seat (53), the lower end of the lock hook spring piece (54) is fixedly connected to the sliding seat (53), and is located at the lower end of the corresponding lock hook (52), the upper end of the lock hook spring piece (54) extends to the front end of the locking direction of the corresponding lock hook (52), when the password is correct, the user puts the zipper head into the lock hole 31, the zipper head abuts against the lock hook 52, presses the zipper head down, the left end of the lock hook 52 abuts against the lock hook spring piece 54, the left end of the lock hook 52 is deformed by the pressure, the zipper head slides to the left along the arc of the lock hook 52, and is finally hooked by the lock hook 52, the lock hook 52 is reset, and the lock hook spring piece 54 plays a good buffering role.

[0003] However, such a lock core mechanism has the following disadvantages in actual production and use: the two lock hook springs provided in the lock buckle assembly need to ensure that their thickness is consistent. If the thickness of one of the lock hook springs is greater than that of the other lock hook spring, the group with the larger spring thickness needs to use greater force to press the zipper head between the lock hook and the lock hook spring. The zipper head is hooked by the lock hook, and since the left end of the lock hook abuts against the lock hook spring, when the zipper head is pressed, the lock hook spring is squeezed and causes the sliding seat to shake, which can easily cause the other set of locked zipper heads to loosen, and the zipper head needs to be locked again, reducing the user experience. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a combination lock for luggage in view of the deficiencies of the above-mentioned prior art, to enhance the stability of the combination lock and to improve the user experience.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a combination lock for luggage, comprising an upper cover and a base detachably connected to the upper cover, a lock cavity is formed between the upper cover and the base, and the lock cavity is provided with a code changing mechanism, a combination wheel assembly, and a lock core mechanism from the left end to the right end in sequence, the lock core mechanism is linked with the combination wheel assembly, an unlocking toggle block is provided in the combination wheel assembly, the lock core mechanism comprises a lock core linkage seat connected to the unlocking toggle block, two lock hooks rotatably installed in the upper cover and a spring piece that limits the rotation of the lock hook, the spring piece is arranged on the base, and a pressure block is provided on the lock core linkage seat for pressing down the spring piece to rotate the lock hook to unlock the lock when the unlocking toggle block moves toward the combination wheel assembly.

[0006] The utility model with the above-mentioned characteristics: a lock hook rotatably connected to the upper cover is adopted to replace the lock hook fixedly connected to the sliding seat in the background technology, the lock hook is arranged separately, the two lock hooks do not affect each other, the rotation of one lock hook will not affect the state of the other lock hook, thereby avoiding the possibility of the locked zipper head loosening, enhancing the stability of use of the combination lock, and improving the user experience; by arranging a pressure block on the lock core linkage seat, the spring piece is pressed down by the movement of the lock core linkage seat to cause the spring piece to disengage from the lock hook, thereby realizing the unlocking of the combination lock, the unlocking structure is simple and the unlocking process is smooth.

[0007] A further configuration of the utility model is that the lock hook comprises a lock hook body, an outer peripheral surface of the lock hook body is provided with a resistance portion that resists the spring sheet and a hook portion that hooks the zipper head, the hook portion is located above the resistance portion, and two side surfaces of the lock hook body are provided with rotating shafts that cooperate with the upper cover, one side of the rotating shaft is sleeved with a torsion spring that prompts the lock hook to rotate, one end of the spring sheet is integrally formed with the base, and the other end is tilted upward to resist the resistance portion.

[0008] The utility model with the above-mentioned characteristics: the interference part and the hook part are arranged on the outer peripheral surface of the lock hook body, which is adapted to the structural characteristics that the lock hook can rotate. After the zipper head is inserted into the upper cover, the unlocking toggle block is released and the lock hook is rotated counterclockwise, and the hook part rotates downward to hook the zipper head. Different from the background technology in which the zipper head is pressed downward to deform the lock hook, the unlocking structure in this scheme extends the service life of the lock hook, simplifies the production model, and reduces the production cost; by arranging a torsion spring on the rotating shaft, the lock hook is prompted to rotate after being unlocked, which is convenient for subsequent use.

[0009] A further arrangement of the utility model is that the lock cylinder linkage seat includes a plug-in seat connected to the unlocking toggle block and a sliding plate matched with the spring sheet, the sliding plate is provided with a spring sheet frame for accommodating the spring sheet, the spring sheet frame is rectangular, the pressing block is arranged on the lower end surface of one side of the spring sheet frame, the upward end surface of the spring sheet is a concave arc, and the outer peripheral surface of the pressing block is a convex arc matched with the spring sheet.

[0010] The utility model with the above-mentioned characteristics: the pressure block is set at the lower end of the sliding plate, which simplifies the number of parts and improves the functionality of the lock core linkage seat; the spring sheet frame is opened on the sliding plate to adapt the spring sheet, thereby ensuring that the overall area of ​​the sliding plate can cover the base and ensuring the sliding stability of the sliding plate; the outer peripheral surface of the pressure block is set to a convex arc shape and the end surface of the spring sheet is set to a concave arc shape, thereby improving the smoothness of the lock core linkage seat when sliding and the smoothness of unlocking.

[0011] A further arrangement of the utility model is: the upper cover is provided with two lock holes corresponding to the lock hook, a toggle block hole corresponding to the unlocking toggle block, and a password wheel hole corresponding to the password wheel; the unlocking toggle block includes a card connection pin and a toggle piece carded with the lock cylinder linkage seat; the end surface of the upper cover is provided with an unlocking slide groove, and the toggle piece is slidably arranged in the unlocking slide groove.

[0012] The utility model with the above characteristics has the following features: the clamping pin arranged on the unlocking toggle block is clamped with the lock core linkage seat, which is convenient and quick to install; the lock hole is arranged above the lock hook, which is convenient for the zipper head to be inserted.

[0013] The utility model is further described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic structural diagram of an embodiment of the utility model.

[0015] Figure 2 It is an exploded view of an embodiment of the utility model.

[0016] Figure 3 It is a schematic diagram of the structure between the lock core mechanism and the base in an embodiment of the utility model.

[0017] Figure 4 It is a schematic diagram of the structure between the lock hook and the base when the lock hook is locked according to an embodiment of the utility model.

[0018] Figure 5 It is a schematic diagram of the structure between the lock hook and the base when the lock hook is unlocked according to an embodiment of the utility model.

[0019] Figure 6 It is a schematic diagram of the structure between the upper cover and the lock hook of an embodiment of the utility model.

[0020] Figure 7 It is a structural schematic diagram of the lock core linkage seat of an embodiment of the utility model.

[0021] Figure 8 It is a top view of an embodiment of the utility model.

[0022] Fig. 9 for Figure 8 Sectional view of AA. DETAILED DESCRIPTION

[0023] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0024] like Figure 1-9 The illustrated combination lock for luggage comprises an upper cover 1 and a base 2 detachably connected to the upper cover 1, a lock cavity is formed between the upper cover 1 and the base 2, and the lock cavity is provided with a code changing mechanism 3, a code wheel assembly 4, and a lock core mechanism from the left end to the right end in sequence, the lock core mechanism is linked with the code wheel assembly 4, an unlocking toggle block 41 is provided in the code wheel assembly 4, the lock core mechanism comprises a lock core linkage seat 51 connected to the unlocking toggle block 41, two lock hooks 52 rotatably installed in the upper cover 1 and a spring piece 53 for limiting the rotation of the lock hook 52, the lock core linkage seat 51 comprises a plug seat 511 connected to the unlocking toggle block 41, a sliding plate 512 matched with the spring piece 53, and a pressing block 513 for pressing the spring piece 53 downward to rotate the lock hook 52 when the unlocking toggle block 41 moves toward the code wheel assembly 4, thereby unlocking the lock, the spring piece 53 is arranged on the base 2, a spring piece frame 5121 for accommodating the spring piece 53 is provided on the sliding plate 512, and the spring piece frame 51 The spring 53 is rectangular, and the sides of the two spring frame frames 5121 are provided with avoidance grooves 51211 for avoiding the lock hook 52. One end of the spring 53 is integrally formed with the base 2, and the other end is tilted upward (that is, the end facing the upper cover is upward). The end surface of the spring 53 facing upward is a concave arc 531, and the outer peripheral surface of the pressing block 513 is a convex arc 5131 adapted to the spring 53. The lock hook 52 includes a lock hook body 521, and the outer peripheral surface of the lock hook body 521 is provided with a convex arc 5131 adapted to the spring 53. The spring 53 abuts against the abutting portion 522 and the hook portion 523 hooks the zipper head. The hook portion 523 is located above the abutting portion 522. The upwardly tilted end of the spring 53 can abut against the abutting portion 522. The two side surfaces of the lock hook body 521 are provided with a rotating shaft 524 that cooperates with the upper cover 1. A torsion spring 6 that causes the lock hook 52 to rotate is sleeved on the rotating shaft 524 on one side. The pin at one end of the torsion spring 6 abuts against the lock hook body, and the pin at the other end abuts against the upper cover.

[0025] The upper cover 1 is provided with two lock holes 11 corresponding to the lock hook 52, a toggle block hole 12 corresponding to the unlocking toggle block 41, and a password wheel hole 13 corresponding to the password wheel assembly. The unlocking toggle block 41 includes a card pin 411 and a toggle piece 412 that are carded with the lock cylinder linkage seat 51. The end face of the upper cover 1 is provided with an unlocking slide groove 14, and the toggle piece 412 is slidably set in the unlocking slide groove 14.

[0026] When locking, turn the combination wheel to the correct value, and then push the unlocking toggle block toward the direction of the code changing mechanism. The unlocking toggle block drives the lock cylinder linkage seat to move. The pressure block on the lock cylinder linkage seat presses down the spring to disengage the contact part with the lock hook. The lock hook rotates under the action of the torsion spring. The state of the lock hook is shown in the figure Figure 5 As shown, press the zipper head into the lock hole and press downward. The zipper head and the hook part of the lock hook abut against each other to drive the lock hook to rotate. Release the unlocking toggle block, and the lock core linkage seat returns to its original position. After the spring piece loses the downward pressure, it abuts against the contact part of the lock hook again, and the lock hook hooks the zipper head to complete the locking. To unlock, just toggle the unlocking toggle block.

Claims

1. A combination lock for luggage, comprising an upper cover and a base detachably connected to the upper cover, a lock cavity is formed between the upper cover and the base, and the lock cavity is provided with a code change mechanism, a combination wheel assembly, and a lock core mechanism from the left end to the right end, and the lock core mechanism is linked with the combination wheel assembly, characterized in that: An unlocking toggle block is provided in the password wheel assembly, and the lock core mechanism includes a lock core linkage seat connected to the unlocking toggle block, two lock hooks rotatably installed in the upper cover and a spring piece that limits the rotation of the lock hook, the spring piece is arranged on the base, and a pressure block is provided on the lock core linkage seat, which presses down the spring piece to rotate the lock hook to unlock the lock when the unlocking toggle block moves toward the password wheel assembly.

2. A combination lock for luggage according to claim 1, characterized in that: The lock hook includes a lock hook body, an outer peripheral surface of which is provided with a resistance portion that resists the spring sheet and a hook portion that hooks the zipper head, the hook portion is located above the resistance portion, and both side surfaces of the lock hook body are provided with rotating shafts that cooperate with the upper cover, one side of the rotating shaft is sleeved with a torsion spring that causes the lock hook to rotate, one end of the spring sheet is integrally formed with the base, and the other end is tilted upward to resist the resistance portion.

3. A combination lock for luggage according to claim 1 or 2, characterized in that: The lock cylinder linkage seat includes a socket connected to the unlocking toggle block and a sliding plate that cooperates with the spring sheet. The sliding plate is provided with a spring sheet frame for accommodating the spring sheet. The spring sheet frame is rectangular. The pressure block is arranged on the lower end surface of one side of the spring sheet frame. The upward end surface of the spring sheet is a concave arc, and the outer peripheral surface of the pressure block is a convex arc that matches the spring sheet.

4. A combination lock for luggage according to claim 3, characterized in that: The upper cover is provided with two lock holes corresponding to the lock hook, a toggle block hole corresponding to the unlocking toggle block, and a password wheel hole corresponding to the password wheel assembly. The unlocking toggle block includes a card pin and a toggle piece that are card-connected to the lock cylinder linkage seat. The end surface of the upper cover is provided with an unlocking slide groove, and the toggle piece is slidably set in the unlocking slide groove.

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