Special mechanical disc brake for light-weight double-acting road vehicle

Abstract

The utility model relates to the technical field of road vehicles, and discloses a special mechanical disc brake for a light-weight double-acting road vehicle, which comprises a bracket, the front surface of the bracket is fixedly connected with an upper shell, the right end of the upper shell is provided with a support, the inner wall of the upper shell penetrates through and is sleeved with a connecting assembly, the connecting assembly comprises a connecting sleeve, and the connecting sleeve is fixedly connected with the support. The inner wall of the upper shell is sleeved with the connecting sleeve, the top end of the connecting sleeve is sleeved with a limiting sleeve, a pull rod is clamped to the upper end of the outer wall of the connecting sleeve, the rear end of the pull rod is sleeved with the limiting sleeve, and a locking bolt penetrates through the front end of the pull rod and is arranged at the front end of the pull rod. According to the brake device, after the steel balls slide in the second fairway and the first fairway, the brake pads directly move downwards, the two sets of brake pads extrude a vehicle brake disc, and therefore the braking effect can be directly achieved, the light-weight design is achieved, the weight of the brake device is reduced, the burden of a vehicle is reduced, and safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of road vehicles, in particular to a special mechanical disc brake for a lightweight double-action road vehicle. Background Art

[0002] Mechanical disc brakes are a braking system that achieves braking effect through mechanical force transmission. They are mainly used in bicycles, motorcycles and some light vehicles. Compared with traditional friction braking systems, mechanical disc brakes usually provide more powerful, stable and reliable braking performance.

[0003] Chinese Patent Publication No.: CN219263044U discloses a dual-drive disc brake device with adjustable brake pad gap, which includes a caliper body, a slot opened at the bottom of the caliper body, two brake pads symmetrically arranged in the slot, and also includes two mounting holes opened on the left and right side walls of the slot, and a pushing component arranged in the mounting hole for pushing the brake pad. An adjusting component is also provided between the pushing component and the brake pad, and the adjusting component is used to adjust the distance between the two brake pads and the pushing component. The gap between the two brake pads can be adjusted accordingly according to the distance between the pushing component and the brake disc.

[0004] Although the above-mentioned technology can effectively brake, its large size will lead to a heavier weight, which will increase the overall weight of the vehicle. For riders, the increase in the weight of the vehicle not only increases their burden, but also affects the riding experience and safety. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a lightweight dual-action road bike dedicated mechanical disc brake, which aims to improve the problem mentioned in the prior art that "due to the heavy weight of the braking device, the weight of the entire vehicle increases, thereby affecting the safety of riding".

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a lightweight dual-action road vehicle dedicated mechanical disc brake, comprising a bracket, the front surface of the bracket is fixedly connected to an upper shell, the right end of the upper shell is provided with a support, and the inner wall of the upper shell is penetrated and sleeved with a connecting component;

[0007] The connecting assembly includes a connecting sleeve, which is sleeved on the inner wall of the upper shell body, and a limiting sleeve is sleeved on the top of the connecting sleeve. A pull rod is clamped on the upper end of the outer wall of the connecting sleeve, and the limiting sleeve is sleeved on the rear end of the pull rod. The front end of the pull rod passes through and is provided with a locking bolt, and a nut is threadedly connected to the outer wall of the bottom end of the locking bolt. A turntable is sleeved on the outer wall of the connecting sleeve, and two groups of brake pads are provided at the bottom end of the turntable.

[0008] As a further description of the above technical solution:

[0009] The bottom end of the brake pad is fixedly connected with a brake pad and two groups are provided. The outer walls of the two groups of brake pads are clamped with arc-shaped elastic sheets.

[0010] As a further description of the above technical solution:

[0011] The nut slides on the inner wall of the slot, the top end of the connecting sleeve is sleeved with a bearing disc, and the bottom end of the connecting sleeve is provided with a ball track 1.

[0012] As a further description of the above technical solution:

[0013] A gasket is sleeved on the top of the connecting sleeve near the upper side of the bearing disc, and a second ballway is provided on the inner wall of the rotating disc.

[0014] As a further description of the above technical solution:

[0015] The inner wall of the second ball track is slidably connected with a steel ball, the steel ball is slidably connected with the inner wall of the first ball track, and the center of the inner wall at the top end of the turntable is threadedly connected with a screw 1.

[0016] As a further description of the above technical solution:

[0017] The outer wall of the screw 1 is provided with a spring, and the front end bottom of the pull rod is provided with a slot.

[0018] As a further description of the above technical solution:

[0019] The right side of the brake pad is penetrated and slidably connected with a second bolt, the second bolt is penetrated and inserted into the top end of the arc-shaped elastic sheet, and the second bolt is penetrated and threadedly connected to the bottom end of another group of brake pads.

[0020] As a further description of the above technical solution:

[0021] The limiting sleeve, connecting sleeve and brake pad are provided in two groups, and the two groups of limiting sleeves, connecting sleeves and brake pads are symmetrically arranged with the center line of the arc-shaped elastic sheet as the symmetry axis. The bottom end of the upper shell is threadedly connected to the lower shell by bolt one, and the bottom end of the upper shell is threadedly connected near the rear end of bolt one by bolt three.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, the steel ball is driven to slide in the second ball lane and the first ball lane by the rotation of the connecting sleeve, and the turntable is squeezed to make the turntable and the brake pad move downward directly, so that the vehicle brake disc can be squeezed directly by the two sets of brake pads, so as to directly achieve the braking effect, achieve a lightweight design, reduce the weight of the braking device, thereby reducing the burden on the vehicle and increasing safety.

[0024] 2. In the utility model, by setting the brake pad, the brake pad is set to pure copper metal to achieve the effect of wear resistance and high temperature resistance, without damaging the disc, and at the same time prolonging the service life. At the same time, the arc-shaped elastic sheet can make the brake pad quickly reset, thereby improving the use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional schematic diagram of the overall device in the utility model;

[0026] Figure 2 This is a schematic diagram of the three-dimensional structure of the overall device in the utility model;

[0027] Figure 3 This is a schematic diagram of the split three-dimensional structure of the turntable and the connecting sleeve in the utility model;

[0028] Figure 4 This is a schematic diagram of the disassembly of the three-dimensional structure of the brake pad and the turntable in the utility model;

[0029] Figure 5 It is a schematic diagram of the three-dimensional structure of the overall device in the utility model.

[0030] Legend:

[0031] 1. Bracket; 2. Pull rod; 3. Upper shell; 4. Lower shell; 5. Limit sleeve; 6. Support; 7. Locking bolt; 8. Connecting sleeve; 9. Turntable; 10. Brake pad; 11. Arc elastic sheet; 12. Screw 1; 13. Spring; 14. Ballway 1; 15. Gasket; 16. Bearing plate; 17. Steel ball; 18. Ballway 2; 19. Bolt 1; 20. Bolt 2; 21. Bolt 3; 22. Slot; 23. Brake pad. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Reference Figure 1 - Figure 3The utility model provides an embodiment: a lightweight dual-action road vehicle special mechanical disc brake, including a bracket 1, the bracket 1 can provide support, the front surface of the bracket 1 is fixedly connected with an upper shell 3, the upper shell 3 and the lower shell 4 are matched with bolts 19 and bolts 21 to provide support, the right end of the upper shell 3 is provided with a support 6, the support 6 can be connected to the lead, and the inner wall of the upper shell 3 is penetrated and sleeved with a connecting component;

[0034] The connecting assembly includes a connecting sleeve 8. After the connecting sleeve 8 is connected to the pull rod 2, the connecting sleeve 8 can be driven to rotate by rotating the pull rod 2. The connecting sleeve 8 is sleeved on the inner wall of the upper shell 3. The top of the connecting sleeve 8 is sleeved with a limit sleeve 5. The limit sleeve 5 is used to support a screw 12 and a spring 13. The upper end of the outer wall of the connecting sleeve 8 is clamped with a pull rod 2. The pull rod 2 can rotate to drive the connecting sleeve 8 to rotate, so that after the steel ball 17 rolls, the turntable 9 is pushed to move, and the two sets of brake pads 10 and the brake pads 23 are driven to move by the movement of the two sets of turntables 9. The disc is dynamically squeezed to provide a braking effect and improve safety. The limit sleeve 5 is sleeved on the rear end of the pull rod 2. The front end of the pull rod 2 passes through and is provided with a locking bolt 7. The outer wall of the bottom end of the locking bolt 7 is threadedly connected with a nut. The locking bolt 7 and the nut can cooperate to squeeze the lead for connection. The outer wall of the connecting sleeve 8 is sleeved with a turntable 9. The bottom end of the turntable 9 is provided with a brake pad 10 and two groups are provided. The two groups of brake pads 10 drive the two groups of brake pads 23 to rub the disc at the same time, which can prevent the disc from deviating, thereby improving the stability of braking.

[0035] Reference Figure 3 The bottom end of the brake pad 10 is fixedly connected with a brake pad 23 and two groups are provided. The outer walls of the two groups of brake pads 23 are clamped with arc-shaped elastic sheets 11. The brake pads 23 are set to be made of pure copper metal, thereby improving the braking force, while improving wear resistance and high temperature resistance, thereby increasing the service life.

[0036] Reference Figure 1 , Figure 3 , Figure 4 , Figure 5The nut slides on the inner wall of the slot 22, and the top of the connecting sleeve 8 is sleeved with a bearing disk 16. The setting of the bearing disk 16 can reduce friction, thereby improving the braking effect. The bottom end of the connecting sleeve 8 is provided with a ballway 14, the rear end of the ballway 14 is deeper and the front end is shallower. The top of the connecting sleeve 8 is sleeved with a gasket 15 near the upper part of the bearing disk 16. The inner wall of the rotating disk 9 is provided with a ballway 2 18, the rear end of the ballway 2 18 is deeper and the front end is shallower. The inner wall of the ballway 2 18 is slidably connected with a steel ball 17, and the steel ball 17 moves to the ballway 14 and the ballway 2 1 8, the front end of the ball lane 14 and the ball lane 2 18 can be shallower so that the steel ball 17 can squeeze the turntable 9, so that the turntable 9 moves the two sets of brake pads 10 and the brake pads 23 to squeeze the disc, thereby providing a braking effect. The steel ball 17 is slidably connected to the inner wall of the ball lane 14, and a screw 12 is threadedly connected at the center of the inner wall of the top of the turntable 9. The outer wall of the screw 12 is provided with a spring 13, and the spring 13 is sleeved on the outer wall of the screw 12. A slot 22 is provided at the bottom of the front end of the pull rod 2, and the lead wire can be stuck in the slot 22.

[0037] Furthermore, the right side of the brake pad 10 is penetrated and slidably connected with a bolt 20, the bolt 20 penetrates and is inserted into the top of the arc-shaped elastic sheet 11, the bolt 20 penetrates and is threadedly connected to the bottom end of another group of brake pads 10, the bolt 20 connects the upper shell 3, the lower shell 4, the two groups of brake pads 10, and the arc-shaped elastic sheet 11 to limit the position, and the limiting sleeve 5, the connecting sleeve 8, and the brake pad 10 are provided in two groups. The two groups of limiting sleeves 5, the connecting sleeve 8, and the brake pad 10 are symmetrically arranged with the center line of the arc-shaped elastic sheet 11 as the symmetry axis. The bottom end of the upper shell 3 is threadedly connected to the lower shell 4 through a bolt 19, and the bottom end of the upper shell 3 is threadedly connected near the rear end of the bolt 19 through a bolt three 21. By setting two groups, the stability of braking is improved. The ordinary weight is about 220g, and the weight of this device is set to about 162-160g, so as to achieve a lightweight design, reduce the burden on the vehicle, increase the braking effect, and improve safety. At the same time, the overall device is flattened in shape, so that the disc brake can be hidden inside the frame.

[0038] Working principle: When in use, the lead wire is inserted into the slot 22 after passing through the support 6, and the locking bolt 7 is inserted into the front end of the pull rod 2, and the nut is slid into the slot 22 and threadedly connected with the locking bolt 7. At the same time, the lead wire is clamped and fixed by the cooperation of the nut and the locking bolt 7, so that the lead wire can be connected. At this time, the pull rod 2 can be rotated by pulling the lead wire, and the connecting sleeve 8 can be rotated. After the connecting sleeve 8 rotates, the ball track 14 is rotated, and at the same time, the steel ball 17 moves on the inner wall of the ball track 2 18 and the ball track 1 14, so that the steel ball 17 is in the ball track When the inner walls of lane 14 and lane 2 18 roll, they squeeze the turntable 9, causing the turntable 9 to move downward and pulling the screw 12 downward to squeeze the spring 13. When the turntable 9 moves downward, the brake pad 10 moves downward, thereby squeezing the vehicle brake disc, so that the braking effect is achieved by squeezing two groups of brake pads 10 at the same time. When the lead is loosened, the reverse force of the squeezed spring 13 can drive the turntable 9 and the connecting sleeve 8 to reset. At the same time, the arc-shaped elastic sheet 11 is cooperated to make the brake pad 10 and the pull rod 2 quickly reset, thereby improving the use effect.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A lightweight dual-action road bike-specific mechanical disc brake, comprising a bracket (1), characterized in that: The front surface of the bracket (1) is fixedly connected to an upper shell (3), a support (6) is provided at the right end of the upper shell (3), and a connecting component penetrates and is sleeved on the inner wall of the upper shell (3); The connecting assembly comprises a connecting sleeve (8), the connecting sleeve (8) is sleeved on the inner wall of the upper shell (3), the top end of the connecting sleeve (8) is sleeved on a limiting sleeve (5), the upper end of the outer wall of the connecting sleeve (8) is clamped with a pull rod (2), the limiting sleeve (5) is sleeved on the rear end of the pull rod (2), the front end of the pull rod (2) passes through and is provided with a locking bolt (7), the outer wall of the bottom end of the locking bolt (7) is threadedly connected with a nut, the outer wall of the connecting sleeve (8) is sleeved with a turntable (9), and the bottom end of the turntable (9) is provided with a brake pad (10) and is provided with two groups.

2. The lightweight dual-action road vehicle-specific mechanical disc brake according to claim 1, characterized in that: The bottom end of the brake pad (10) is fixedly connected to a brake pad (23) and two groups are provided. The outer walls of the two groups of brake pads (23) are clamped with arc-shaped elastic sheets (11).

3. The lightweight dual-action road vehicle-specific mechanical disc brake according to claim 1, characterized in that: The nut slides on the inner wall of the slot (22), the top end of the connecting sleeve (8) is sleeved with a bearing plate (16), and the bottom end of the connecting sleeve (8) is provided with a ball track 1 (14).

4. The lightweight dual-action road vehicle-specific mechanical disc brake according to claim 1, characterized in that: A gasket (15) is sleeved on the top of the connecting sleeve (8) near the upper side of the bearing disc (16). A second ballway (18) is provided on the inner wall of the rotating disc (9).

5. The lightweight dual-action road vehicle-specific mechanical disc brake according to claim 4, characterized in that: The inner wall of the second ballway (18) is slidably connected with a steel ball (17), and the steel ball (17) is slidably connected with the inner wall of the first ballway (14). The center of the inner wall at the top end of the turntable (9) is threadedly connected with a screw one (12).

6. The lightweight dual-action road vehicle-specific mechanical disc brake according to claim 5, characterized in that: The outer wall of the screw 1 (12) is provided with a spring (13), and the front end bottom of the pull rod (2) is provided with a slot (22).

7. The lightweight dual-action road vehicle-specific mechanical disc brake according to claim 1, characterized in that: The right side of the brake pad (10) is penetrated by a second bolt (20) and is slidably connected thereto. The second bolt (20) penetrates and is inserted into the top end of the arc-shaped elastic sheet (11). The second bolt (20) penetrates and is threadedly connected to the bottom end of another set of brake pads (10).

8. The lightweight dual-action road vehicle-specific mechanical disc brake according to claim 1, characterized in that: The limiting sleeve (5), the connecting sleeve (8) and the brake pad (10) are provided in two groups, and the two groups of the limiting sleeve (5), the connecting sleeve (8) and the brake pad (10) are symmetrically arranged with the center line of the arc-shaped elastic sheet (11) as the symmetry axis. The bottom end of the upper shell (3) is threadedly connected to the lower shell (4) through a bolt one (19), and the bottom end of the upper shell (3) is threadedly connected to the rear end of the bolt one (19) through a bolt three (21).

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