Wheel set brake device

Abstract

The utility model belongs to the technical field of brake structures, and particularly relates to a wheel set brake device which comprises a wheel set installation seat, an unlocking sliding block connected with the wheel set installation seat in a sliding mode, a pulley block hinged to the wheel set installation seat and an unlocking piece arranged in the wheel set installation seat. An elastic piece used for driving the lock releasing piece to be inserted into the limiting part is arranged between the lock releasing piece and the wheel set installation base, and the lock releasing sliding block is used for limiting or releasing limiting of the lock releasing piece to be inserted into the limiting part. The movement of the unlocking piece can be conveniently limited through the sliding operation of the unlocking sliding block, so that the unlocking piece is in a release or insertion limiting state, when the unlocking piece is in the insertion releasing state, the unlocking piece can be naturally inserted into the limiting part on the pulley block under the action of the elastic piece, the pulley block is locked, and at the moment, the elastic piece is in a relaxed state; and fatigue and damage caused by long-time compression of the elastic piece are avoided, so that the service life of the brake device is remarkably prolonged.

Description

[Technical field]

[0002] The present application belongs to the technical field of brake structures, and in particular relates to a wheel assembly brake device. [Background technology]

[0004] Wheel brakes are widely used in various mobile devices to ensure that the device can be stably parked when needed and prevent accidental sliding. Most existing wheel brakes use a rod-rotating brake structure, and the rotating axis of the brake is parallel to the rotating axis of the wheel, that is, the brake is operated by rotating on the same plane. This structure usually requires the elastic part to be in a compressed state to maintain the braking effect during braking. Since the use scenario is in the braking state most of the time, it is easy for the elastic part to be under pressure for a long time, which is prone to fatigue and damage, thereby shortening the service life of the brake device. [Summary of the invention]

[0006] In order to solve the problem in the prior art that a mobile device using a wheel brake device is in a braking state most of the time, which easily causes the elastic parts to be under pressure for a long time and easily fatigued and damaged, the present application provides a wheel brake device.

[0007] This application is implemented through the following technical solutions:

[0008] A wheelset brake device comprises a wheelset mounting seat, a release slider slidably connected to the wheelset mounting seat, a pulley block hinged to the wheelset mounting seat, and a release member arranged in the wheelset mounting seat, the pulley block being provided with at least one limiting portion for inserting the release member, an elastic member for driving the release member to insert into the limiting portion being provided between the release member and the wheelset mounting seat, and the release slider being used for limiting or releasing the restriction on the release member inserting into the limiting portion.

[0009] In the wheel set brake device as described above, the wheel set mounting seat is provided with an arcuate slide groove perpendicular to the rotation direction of the pulley set and for the release member to slide, the release member is hinged to the wheel set mounting seat, and the elastic member is arranged in the arcuate slide groove.

[0010] In a wheel brake device as described above, the wheel mounting seat is provided with a first snap-in and a second snap-in for the release slider to protrude from the outside of the wheel mounting seat, the first snap-in is communicated with the second snap-in, and the release slider includes an adjustment portion located on the outside of the wheel mounting seat, and an abutment portion located on the inside of the wheel mounting seat and abutting against the release member.

[0011] In a wheel brake device as described above, when the adjusting part slides to the first bayonet, it drives the abutting part to push the release part away from the limiting part to limit the insertion of the release part into the limiting part, and at the same time the elastic part is compressed; when the adjusting part slides to the second bayonet, it drives the abutting part to release the release part to lift the restriction on the insertion of the release part into the limiting part, and at the same time the release part is inserted into the limiting part under the elastic force of the elastic part.

[0012] In the wheel brake device as described above, the unlocking slider further includes a guide portion that fits against the inner wall of the wheel mounting seat, and a clamping portion that is disposed between the adjusting portion and the guide portion and is clamped with the first clamp or the second clamp.

[0013] In a wheel set brake device as described above, a first latching position and a second latching position for the abutting portion to be engaged are provided in the wheel set mounting seat, the first latching position is communicated with the second latching position, when the release slider is located at the first latching position, the abutting portion is engaged with the first latching position, and when the release slider is pushed to the second latching position, the abutting portion is engaged with the second latching position.

[0014] In the wheel brake device as described above, the clamping portion is configured as a connecting column passing through the first clamping port or the second clamping port and a protrusion located on one side or both sides of the connecting column.

[0015] In the wheel assembly brake device as described above, the engaging portion slides and switches between the first engaging opening and the second engaging opening.

[0016] In the wheel set brake device as described above, the limiting portion is a groove arranged perpendicular to the rotation direction of the pulley block; or a through hole arranged perpendicular to the rotation direction of the pulley block and penetrating the pulley block.

[0017] The wheel set brake device as described above further comprises a universal seat connected to the support frame and articulated to the wheel set mounting seat.

[0018] Compared with the prior art, this application has the following advantages:

[0019] A wheel assembly brake device of the present application can conveniently limit the movement of a release member through the sliding operation of a release slider, so that the release member is in a released or restricted insertion state. When in the released insertion state, the release member can be naturally inserted into a limiting portion on the pulley block under the action of an elastic member, thereby locking the pulley block. At this time, the elastic member is in a relaxed state. Since it is in a braking state most of the time in the usage scenario, fatigue and damage of the elastic member caused by long-term compression is avoided, thereby significantly extending the service life of the brake device.

Brief Description of the Drawings

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a three-dimensional solid in the embodiment of this application Figure 1 ;

[0023] Figure 2 yes Figure 1 Exploded view of;

[0024] Figure 3 It is a three-dimensional solid in the embodiment of this application Figure 2 ;

[0025] Figure 4 yes Figure 3 Cross-sectional view of middle AA;

[0026] Figure 5 It is a three-dimensional stereogram of the unlocking slider in the embodiment of the present application. [Specific implementation method]

[0028] In order to make the technical problems, technical solutions and beneficial effects solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0029] See also Figures 1 to 5 A wheelset brake device comprises a wheelset mounting seat 1, a release slider 2 slidably connected to the wheelset mounting seat 1, a pulley block 3 hinged to the wheelset mounting seat 1, and a release member 4 arranged in the wheelset mounting seat 1, the pulley block 3 is provided with at least one limiting portion 31 for the release member 4 to be inserted, an elastic member 5 for driving the release member 4 to be inserted into the limiting portion 31 is provided between the release member 4 and the wheelset mounting seat 1, and the release slider 2 is used to limit or release the restriction on the release member 4 being inserted into the limiting portion 31.

[0030] A wheel assembly brake device of the present application can conveniently limit the movement of a release member through the sliding operation of a release slider, so that the release member is in a released or restricted insertion state. When in the released insertion state, the release member can be naturally inserted into a limiting portion on the pulley block under the action of an elastic member, thereby locking the pulley block. At this time, the elastic member is in a relaxed state. Since it is in a braking state most of the time in the usage scenario, fatigue and damage of the elastic member caused by long-term compression is avoided, thereby significantly extending the service life of the brake device.

[0031] Furthermore, as a preferred implementation mode of the present invention but not a limitation, an arc-shaped groove 11 which is perpendicular to the rotation direction of the pulley block 3 and for the sliding of the release member 4 is provided in the wheel assembly mounting seat 1, the release member 4 is hinged to the wheel assembly mounting seat 1, and the elastic member 5 is provided in the arc-shaped groove 11.

[0032] In this embodiment, the wheel assembly mounting seat is provided with an arc-shaped slide groove perpendicular to the rotation direction of the pulley assembly and for the release member to slide, so that the release member can swing naturally downward along the trajectory of the arc-shaped slide groove without restriction and finally vertically insert into the limit portion. The elastic member is arranged in the arc-shaped slide groove, which can effectively utilize the space, reduce the overall volume of the device, and make the elastic member more uniformly stressed during operation, thereby extending its service life. A guide structure, such as a guide rib or a guide groove, can also be provided in the arc-shaped slide groove to increase the stability and smoothness of the release member 4 when sliding. At the same time, suitable elastic members, such as springs, rubber, etc., can be selected according to actual needs to provide appropriate elastic force to ensure the normal operation of the device.

[0033] Furthermore, as a preferred embodiment of the present invention but not a limitation, the wheel set mounting seat 1 is provided with a first bayonet 12 and a second bayonet 13 for the release slider 2 to protrude from the outside of the wheel set mounting seat 1, the first bayonet 12 is connected to the second bayonet 13, and the release slider 2 includes an adjustment portion 21 located on the outside of the wheel set mounting seat 1, and an abutment portion 22 located on the inside of the wheel set mounting seat 1 and abutting against the release member 4.

[0034] In this embodiment, the release slider can switch positions between the first and second bayonet ports by sliding, thereby achieving restriction or release of the release member. When the release slider is located at the first bayonet port, its abutment portion abuts against the release member and limits its insertion into the limit portion, thereby achieving the release effect of braking; when the release slider slides to the second bayonet port, its abutment portion separates from the release member, releasing the restriction on the release, so that the release member can be inserted into the limit portion. This design has the following beneficial effects: first, the braking effect is achieved by sliding switching, which is simple and convenient to operate, and the user can control the position of the release slider manually or automatically. The release slider can also be manufactured from suitable materials according to actual needs to improve its strength and wear resistance, further improve the performance and reliability of the wheel assembly brake device, and meet the needs of different usage scenarios.

[0035] Further, as a preferred implementation mode of the present invention but not a limitation thereof, when the adjusting portion 21 slides to the first bayonet 12, it drives the abutting portion 22 to push the release member 4 away from the limiting portion 31 to limit the insertion of the release member 4 into the limiting portion 31, and at the same time the elastic member 5 is compressed; when the adjusting portion 21 slides to the second bayonet 13, it drives the abutting portion 22 to release the release member 4 to lift the restriction on the insertion of the release member 4 into the limiting portion 31, and at the same time the release member 4 is inserted into the limiting portion 31 under the elastic force of the elastic member 5.

[0036] Furthermore, as a preferred embodiment of the present invention but not a limitation, the unlocking slider 2 also includes a guide portion 23 that is in contact with the inner wall of the wheel assembly mounting seat 1, and a clamping portion 24 that is provided between the adjusting portion 21 and the guide portion 23 and is clamped with the first bayonet 12 or the second bayonet 13.

[0037] In this embodiment, the guide portion is in contact with the inner wall of the wheel assembly mounting seat, and can provide a guiding effect when the unlocking slider slides, preventing it from being offset or stuck, and ensuring that it can switch smoothly between the first and second bayonet ports. The design of the clamping portion can enable the unlocking slider to be reliably positioned after sliding into place, preventing it from being accidentally loosened or shifted during use, thereby affecting the stability of the braking effect. The guide portion can be designed as an arc structure that matches the shape of the inner wall of the wheel assembly mounting seat to provide a better guiding effect. The clamping portion can be designed as a buckle structure with a certain elasticity, so that it can be firmly clamped with the first bayonet port or the second bayonet port, and can be easily released when the position needs to be adjusted. In addition, in order to further improve the durability and reliability of the unlocking slider, the guide portion and the clamping portion can be made of wear-resistant materials, such as TPU materials or rubber, to reduce their wear during long-term use.

[0038] Furthermore, as a preferred embodiment of the present invention but not a limitation thereof, a first latching position 14 and a second latching position 15 for the abutment portion 22 to be engaged are provided in the wheel assembly mounting seat 1, the first latching position 14 is communicated with the second latching position 15, when the release slider 2 is located at the first latching port 12, the abutment portion 22 is engaged with the first latching position 14, and when the release slider 2 is pushed to the second latching port 13, the abutment portion 22 is engaged with the second latching position 15.

[0039] In this embodiment, the first bayonet cooperates with the first latch position; the second bayonet cooperates with the second latch position, so that the locking of the release slider is more stable and not easy to loosen or deviate, resulting in difficulty in switching, thereby further optimizing the performance and user experience of the wheel assembly brake device.

[0040] Further, as a preferred implementation of the present solution but not a limitation, the clamping portion 24 is configured as a connecting column 241 passing through the first bayonet 12 or the second bayonet 13 and a protrusion 242 located on one side or both sides of the connecting column 241 .

[0041] In this embodiment, the structure of the connecting column and the protrusion is simple, easy to manufacture and assemble, and the production cost is reduced; secondly, the clamping method is reliable, which can effectively prevent the release slider 2 from accidentally loosening or shifting during use, thereby ensuring the stability of the braking effect; in addition, this design also has a certain self-locking function, that is, after clamping, a certain external force is required to release the clamping, thereby improving the safety of use.

[0042] Further, as a preferred implementation manner of the present solution but not a limitation, the engaging portion 24 slides and switches between the first engaging port 12 and the second engaging port 13 .

[0043] Further, as a preferred implementation mode of the present solution but not limitation, the limiting portion 31 is a groove arranged perpendicular to the rotation direction of the pulley block 3; or a through hole arranged perpendicular to the rotation direction of the pulley block 3 and penetrating the pulley block.

[0044] Furthermore, as a preferred implementation manner of the present solution but not a limitation, it also includes a universal seat connected to the support frame and articulated to the wheel assembly mounting seat 1 .

[0045] In this embodiment, by arranging a universal seat on the support frame, the wheel assembly mounting seat 1 can rotate with the universal seat as a fulcrum, thereby achieving braking effects in different directions and angles. This design can meet the braking needs of mobile equipment in complex road conditions or special use environments, and improve its driving safety and controllability.

[0046] The working principle of this embodiment is as follows:

[0047] A wheel assembly brake device of the present application can conveniently limit the movement of a release member through the sliding operation of a release slider, so that the release member is in a released or restricted insertion state. When in the released insertion state, the release member can be naturally inserted into a limiting portion on the pulley block under the action of an elastic member, thereby locking the pulley block. At this time, the elastic member is in a relaxed state. Since it is in a braking state most of the time in the usage scenario, fatigue and damage of the elastic member caused by long-term compression is avoided, thereby significantly extending the service life of the brake device.

[0048] The above are implementation methods provided in combination with specific contents, and it is not intended that the specific implementation of this application is limited to these descriptions. Any method structure similar to the present application, or a number of technical deductions or replacements based on the concept of the present application, should be considered as the protection scope of this application.

Claims

1. A wheel brake device, characterized in that: The invention comprises a wheel assembly mounting seat (1), a release slider (2) slidably connected to the wheel assembly mounting seat (1), a pulley block (3) hinged to the wheel assembly mounting seat (1), and a release member (4) arranged in the wheel assembly mounting seat (1); the pulley block (3) is provided with at least one limiting portion (31) for the release member (4) to be inserted; an elastic member (5) for driving the release member (4) to be inserted into the limiting portion (31) is provided between the release member (4) and the wheel assembly mounting seat (1); and the release slider (2) is used to limit or release the limit of the release member (4) being inserted into the limiting portion (31).

2. A wheel brake device according to claim 1, characterized in that: An arc-shaped slide groove (11) is provided in the wheel assembly mounting seat (1) and is perpendicular to the rotation direction of the pulley assembly (3) and is provided for the release member (4) to slide. The release member (4) is hinged to the wheel assembly mounting seat (1), and the elastic member (5) is provided in the arc-shaped slide groove (11).

3. A wheel brake device according to claim 1, characterized in that: The wheel assembly mounting seat (1) is provided with a first bayonet (12) and a second bayonet (13) for the release slider (2) to protrude from the outside of the wheel assembly mounting seat (1); the first bayonet (12) is communicated with the second bayonet (13); the release slider (2) comprises an adjustment portion (21) located outside the wheel assembly mounting seat (1), and an abutment portion (22) located inside the wheel assembly mounting seat (1) and abutting against the release member (4).

4. A wheel brake device according to claim 3, characterized in that: When the adjusting portion (21) slides to the first bayonet (12), it drives the abutting portion (22) to push the release member (4) away from the limiting portion (31) to restrict the release member (4) from being inserted into the limiting portion (31), and at the same time, the elastic member (5) is compressed; when the adjusting portion (21) slides to the second bayonet (13), it drives the abutting portion (22) to release the release member (4) to release the restriction on the release member (4) from being inserted into the limiting portion (31), and at the same time, the release member (4) is inserted into the limiting portion (31) under the elastic force of the elastic member (5).

5. A wheel brake device according to claim 3, characterized in that: The unlocking slider (2) further comprises a guide portion (23) which is in contact with the inner wall of the wheel assembly mounting seat (1), and a clamping portion (24) which is arranged between the adjusting portion (21) and the guide portion (23) and is clamped with the first clamping port (12) or the second clamping port (13).

6. A wheel brake device according to claim 3, characterized in that: The wheel assembly mounting seat (1) is provided with a first latching position (14) and a second latching position (15) for the abutting portion (22) to be latched, the first latching position (14) being communicated with the second latching position (15), when the unlocking slider (2) is located at the first latching position (12), the abutting portion (22) is latched with the first latching position (14), and when the unlocking slider (2) is pushed to the second latching position (13), the abutting portion (22) is latched with the second latching position (15).

7. A wheel brake device according to claim 5, characterized in that: The clamping portion (24) is configured as a connecting column (241) passing through the first clamping port (12) or the second clamping port (13) and a protrusion (242) located on one side or both sides of the connecting column (241).

8. A wheel brake device according to claim 7, characterized in that: The clamping portion (24) slides and switches between the first clamping port (12) and the second clamping port (13).

9. A wheel brake device according to claim 1, characterized in that: The limiting portion (31) is a groove arranged perpendicular to the rotation direction of the pulley block (3); or a through hole arranged perpendicular to the rotation direction of the pulley block (3) and penetrating the pulley block.

10. A wheel brake device according to claim 1, characterized in that: It also includes a universal seat connected to the support frame and articulated with the wheel assembly mounting seat (1).

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