Luggage case brake structure

Abstract

The utility model relates to the field of luggage cases, and particularly discloses a luggage case brake structure which is characterized in that a control assembly comprises a control key and a brake cable; the control key slides on the switch base in a limited mode in the A-A'direction, one end of the brake cable is fixedly connected with the control key, the locking assembly comprises a locking key, a locking reset spring and a lock catch, the locking key slides on the switch base in a limited mode and is in transmission connection with the lock catch, and the locking reset spring is arranged between the lock catch and the switch base. The lock catch slides in the switch base in a limited mode in the B-B'direction, the lock catch is connected with the control key in a buckled mode, the wheel assembly comprises a wheel, a support and a brake part, the brake part is connected with the other end of the brake cable, the brake cable moves upwards, and the brake part abuts against the wheel. By arranging the locking assembly, the locking assembly can lock the control assembly, the position of the control key during braking is locked, the failure of the braking function is avoided, and the stability of the braking function is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of luggage, especially relates to the luggage wheel structure. BACKGROUND

[0002] At present, the luggage is one of the articles that people commonly use in daily travel, and the luggage can place a large number of articles, greatly liberating people's hands. However, due to the large amount of articles carried by the luggage, if the luggage is placed on an inclined section, the luggage is prone to sliding backward, causing accidents and safety factors. Therefore, in order to reduce the spontaneous movement of the luggage, some luggage is equipped with a brake structure. However, the existing brake structure lacks a locking structure, so that the locking part of the brake structure moves during the shaking or vibration of the luggage, causing the brake function to fail.

[0003] The technical problem to be solved by the present application is how to lock the brake function of the luggage. INVENTION CONTENTS

[0004] In order to overcome the shortcomings of the prior art, the purpose of the utility model is to provide a luggage brake structure.

[0005] The utility model adopts the technical scheme that a luggage brake structure, including switch seat, control assembly, locking assembly and wheel assembly, control assembly includes control key and brake line, control key is limited to slide on switch seat in A-A' direction, one end of brake line is fixedly connected with control key, locking assembly is arranged in the side of control assembly in A direction, locking assembly includes locking button, locking reset spring and lock catch, locking button is limited to slide on switch seat, locking button is in transmission connection with lock catch, locking reset spring is arranged between lock catch and switch seat, lock catch is limited to slide in B-B' direction in switch seat, lock catch is buckled with control key, wheel assembly includes wheel, support and brake piece, brake piece is limited to rotate in support, brake piece is connected with the other end of brake line, brake line moves upward, brake piece abuts with wheel.

[0006] The locking assembly can lock the state of the control key. When the control key is buckled with the lock catch, the locking button can limit the movement of the lock catch, avoiding the lock catch from being separated from the control key during shaking, and improving the position stability of the control key in the brake state.

[0007] In some embodiments, the side of the locking button close to the lock catch is provided with a control slope, the side of the lock catch close to the locking button is provided with a connecting slope matched with the shape of the control slope, and the control slope and the connecting slope abut.

[0008] In some embodiments, the locking assembly comprises an unlocking reset spring, the locking button is limited to slide in the A-A' direction in the locking hole, a fixed boss is arranged in the switch seat, and the unlocking reset spring is arranged between the locking button and the fixed boss.

[0009] In some embodiments, the control assembly comprises a control reset spring, the control button is fixedly provided with a compression block, the switch seat is fixedly provided with a fixed block, and the control reset spring is arranged between the compression block and the fixed block.

[0010] In some embodiments, one end of the control button close to the locking assembly is provided with a locking slot, the slot opening of the locking slot faces the A direction, the A' end of the lock catch is fixedly provided with a lock hook, and the lock hook is buckled with the locking slot.

[0011] In some embodiments, the brake cable is provided with a gravity hammer close to the wheel assembly.

[0012] In some embodiments, the wheel assembly comprises a connecting torsion spring, the support is provided with a connecting hole, the brake piece is rotationally connected with the support through a connecting column, the connecting torsion spring is sleeved on the outer wall of the connecting column, one end of the connecting torsion spring is fixedly connected with the support, the other end is connected with the brake piece, the brake piece is provided with limiting protrusions on both sides, the wheel is fixedly provided with annularly arranged limiting grooves on the side close to the support, and when the brake cable moves upward, the brake piece rotates, and the limiting protrusions abut against a certain limiting groove.

[0013] The utility model discloses the beneficial effect lies in:

[0014] The luggage brake structure is provided with the locking assembly, the locking assembly can lock the control assembly, the position of the control button is locked when the brake, the brake function failure is avoided, the stability of the brake function is improved, the lock catch and the control button are limited to move in different directions, and the locking effect of the lock catch on the control button can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the structure section surface schematic diagram of control assembly;

[0017] Figure 3 It is the structure section surface schematic diagram of locking assembly;

[0018] Figure 4 It is the structure schematic diagram of wheel assembly;

[0019] Figure 5 It is the structure explosion schematic diagram of wheel assembly;

[0020] The labels and names in the figure correspond as follows: 1, switch seat; 2, control assembly; 3, locking assembly; 4, wheel assembly; 11, fixed block; 12, fixed boss; 13, locking hole; 21, control key; 22, control reset spring; 23, brake cable; 211, compression block; 212, locking groove; 223, gravity hammer; 31, locking key; 32, unlocking reset spring; 33, locking reset spring; 34, lock catch; 311, control inclined surface; 41, wheel; 42, support; 43, connecting torsional spring; 44, brake piece; 45, wheel shell; 411, limiting groove; 441, limiting boss. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figure 1 The utility model provides a kind of technical solutions: a luggage brake structure, including switch seat 1, control assembly 2, locking assembly 3 and wheel assembly 4.

[0023] Please refer to Figure 2 Control assembly 2 includes control key 21, control reset spring 22 and brake cable 23, control key 21 is limited to slide on switch seat 1 in A-A direction, control key 21 is fixedly provided with compression block 211, switch seat 1 is fixedly provided with fixed block 11, compression block 211 and fixed block 11 are oppositely arranged in A-A direction, control reset spring 22 is arranged between compression block 211 and fixed block 11, brake cable 23 is fixedly connected with control key 21.Control key 21 is provided with locking groove 212 at one end close to locking assembly 3, and the notch of locking groove 212 faces A direction.Control key 21 moves towards A when moving in switch seat 1, brake cable 23 moves towards A with control key 21, and control reset spring 22 is compressed, so that control reset spring 22 keeps the elastic force of control key 21 in A' direction.

[0024] Please refer to Figure 3The locking assembly 3 is arranged on the side of the control assembly 2 in the A direction, the locking assembly 3 comprises a locking button 31, an unlocking reset spring 32, a locking reset spring 33 and a lock catch 34, the locking button 31 is in transmission connection with the lock catch 34, the switch base 1 is provided with a locking hole 13, the locking button 31 is limited to slide in the A-A' direction in the locking hole 13, the switch base 1 is provided with a fixed boss 12, the unlocking reset spring 32 is arranged between the locking button 31 and the fixed boss 12, when the locking button 31 moves to the A' direction, the unlocking reset spring 32 is compressed, the unlocking reset spring 32 keeps the locking button 31 with the elastic force in the A direction. The side of the locking button 31 close to the lock catch 34 is provided with a control slope 311, the side of the lock catch 34 close to the locking button 31 is provided with a connecting slope matched with the control slope 311 in shape, the control slope 311 and the connecting slope abut, when the locking button 31 moves to the A' direction, the control slope 311 abuts the connecting slope to make the lock catch 34 move to the B' direction. The lock catch 34 is arranged at the B end of the locking reset spring 33, the B' end of the locking reset spring 33 is fixedly connected with the switch base 1, the A' end of the lock catch 34 is fixedly provided with a lock hook, the lock hook is buckled with the locking slot 212, the lock catch 34 is limited to slide in the B-B' direction in the switch base 1. When the locking button 31 moves to the A' direction, the transmission connection between the locking button 31 and the lock catch 34 occurs, the lock catch 34 moves to the B' direction, the locking reset spring 33 is compressed, so the locking reset spring 33 keeps the lock catch 34 and the locking button 31 with the elastic force in the B direction.

[0025] When the control button 21 moves to the A direction in the switch base 1, the lock hook hooks the notch of the locking slot 212 to lock the position of the control button 21 to avoid the movement of the control button 21. When the locking button 31 moves to the A' direction, the lock catch 34 moves to the B' direction, the lock hook is separated from the locking slot 212, due to the elastic force of the control reset spring 22, the control button 21 moves to the A' direction to reset.

[0026] Please refer to Figure 4 and Figure 5The wheel assembly 4 comprises a wheel 41, a support 42, a connecting torsion spring 43, a brake 44 and a wheel shell 45, the wheel shell 45 is fixedly connected with a luggage case, the support 42 is rotationally connected with the wheel shell 45, the support 42 is provided with a connecting hole, the brake cable 23 passes through the wheel shell 45 and the connecting hole, and one end of the brake cable 23 close to the wheel assembly 4 is provided with a gravity hammer 223, so that the brake cable 23 is always kept in a state of falling. The two sides of the support 42 are respectively provided with the wheel 41, the wheel 41 is rotationally limited on the support 42, the brake 44 is rotationally connected with the support 42 through a connecting column, the connecting torsion spring 43 is sleeved on the outer wall of the connecting column, one end of the connecting torsion spring 43 is fixedly connected with the support 42, and the other end is arranged between the connecting hole and the gravity hammer 223. The two sides of the brake 44 are respectively provided with limiting protrusions 441, the side of the wheel 41 close to the support 42 is fixedly provided with annularly arranged limiting grooves 411, and the connecting torsion spring 43 keeps the limiting protrusions 441 and the limiting grooves 411 in a disengaged relationship. When the brake cable 23 is pulled upwards, the gravity hammer 223 drives the brake 44 and one end of the connecting torsion spring 43 to rotate, the limiting protrusions 441 enter a certain limiting groove 411 and abut against the limiting groove 411 to limit the rotation of the wheel 41, so that the brake function is realized. The gravity hammer 223 is reset, the brake 44 is reset by the connecting torsion spring 43, and the limiting protrusions 441 are disengaged from the limiting grooves 411 to release the brake.

[0027] The working principle and use process of the utility model are as follows:

[0028] Locking brake: when the control key 21 moves towards A of the switch seat 1, the brake cable 23 moves upwards, the gravity hammer 223 drives the brake 44 and one end of the connecting torsion spring 43 to move upwards, the limiting protrusions 441 enter a certain limiting groove 411 to limit the rotation of the wheel 41, so that the brake function is realized, and the locking hook hooks the notch of the locking groove 212, so as to lock the position of the control key 21 and avoid the movement of the control key 21.

[0029] Unlocking brake: the locking button 31 moves towards A', the locking catch 34 moves towards B', the locking hook is disengaged from the locking groove 212, due to the elastic force of the control reset spring 22, the control key 21 moves towards A' and is reset, the locking button 31 is reset, the gravity hammer 223 moves downwards and is reset due to gravity, the brake 44 is reset by the connecting torsion spring 43, and the limiting protrusions 441 are disengaged from the limiting grooves 411 to release the brake.

[0030] Finally, it should be noted that: the above is only the preferred examples of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A luggage brake structure, characterized in that, The system includes a switch base (1), a control assembly (2), a locking assembly (3), and a wheel assembly (4). The control assembly (2) includes a control key (21) and a brake cable (23). The control key (21) slides on the switch base (1) in the A-A' direction. One end of the brake cable (23) is fixedly connected to the control key (21). The locking assembly (3) is located on the A-direction side of the control assembly (2). The locking assembly (3) includes a locking button (31), a locking return spring (33), and a latch (34). The locking button (31) slides on the switch base (1) in the A-A' direction. The key (31) is connected to the latch (34) in a transmission manner. The locking reset spring (33) is disposed between the latch (34) and the switch seat (1). The latch (34) slides in the B-B' direction within the switch seat (1). The latch (34) is snapped to the control key (21). The wheel assembly (4) includes a wheel (41), a bracket (42), and a brake (44). The brake (44) rotates in a limited manner within the bracket (42). The brake (44) is connected to the other end of the brake cable (23). The brake cable (23) moves upward. The brake (44) abuts against the wheel (41).

2. The luggage brake structure according to claim 1, characterized in that, The locking button (31) has a control slope (311) on the side near the latch (34), and the latch (34) has a connecting slope that matches the shape of the control slope (311) on the side near the locking button (31). The control slope (311) and the connecting slope abut against each other.

3. The luggage brake structure according to claim 1, characterized in that, The locking assembly (3) includes an unlocking reset spring (32), the locking button (31) slides in the upper limit direction in the locking hole (13) in the A-A' direction, the switch base (1) is provided with a fixed boss (12), and the unlocking reset spring (32) is disposed between the locking button (31) and the fixed boss (12).

4. A luggage brake structure according to claim 1, characterized in that, The control component (2) includes a control reset spring (22), the control key (21) is fixedly provided with a compression block (211), the switch base (1) is fixedly provided with a fixing block (11), and the control reset spring (22) is disposed between the compression block (211) and the fixing block (11).

5. A luggage brake structure according to claim 1, characterized in that, The control key (21) has a locking groove (212) at one end near the locking component (3). The opening of the locking groove (212) faces the A direction. The A' end of the latch (34) is fixedly provided with a locking hook, which is snapped into the locking groove (212).

6. A luggage brake structure according to claim 1, characterized in that, The brake line (23) has a gravity hammer (223) at one end near the wheel assembly (4).

7. A luggage brake structure according to claim 1, characterized in that, The wheel assembly (4) includes a connecting torsion spring (43), the bracket (42) is provided with a connecting hole, the brake (44) is rotatably connected to the bracket (42) through a connecting column, the main body of the connecting torsion spring (43) is sleeved on the outer wall of the connecting column, one end of the connecting torsion spring (43) is fixedly connected to the bracket (42) and the other end is connected to the brake (44), the brake (44) is provided with limiting protrusions (441) on both sides, the wheel (41) is fixedly provided with a ring-shaped limiting groove (411) on the side of the wheel (41) near the bracket (42), when the brake line (23) moves upward, the brake (44) rotates, and the limiting protrusion (441) abuts against a certain limiting groove (411).

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