Oil pressure type disc brake

Abstract

The utility model discloses an oil pressure type disc brake device which comprises a disc brake device body, a disc brake groove is formed in the disc brake device body, and oil cylinders are arranged at the two ends of the disc brake groove. The brake structure is arranged in the disc brake groove and corresponds to the position of the movable end of the oil cylinder, and the brake structure is driven by the oil cylinder to brake; the disc is located in the center of the brake structure, and the disc is clamped through the brake structure so that braking work can be achieved. The brake transmission efficiency is high, the brake is stable, the brake hand feeling is improved, the brake force is strong, the adaptability is wide, and the performance is more stable and more reliable.

Description

Technical Field

[0001] The utility model relates to a disc brake, in particular to a hydraulic disc brake. Background Art

[0002] At present, most of the existing bicycle disc brake calipers in the field of urban road vehicles use mechanical disc brakes or semi-hydraulic wire-pull oil discs, and are small piston double-cylinder structures. This type of disc brake is a one-sided brake. When braking, the brake line pulls the disc brake handle. When the handle is stressed, it pushes down to clamp the disc, and the brake pad is braked by friction. The stable performance and braking performance are weak when braking, and the brake pad is easy to wear. The lack of braking performance is not suitable for models with high product performance requirements, and the scope of application is limited. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a hydraulic disc brake, which solves the problems of stable performance during braking, weak braking performance, easy wear of the brake pad, insufficient braking performance, unsuitability for models with high product performance requirements, and limited scope of application.

[0004] The utility model hydraulic disc brake is realized by the following technical scheme: including:

[0005] A disc brake body, wherein a disc brake groove is provided on the disc brake body, and oil cylinders are provided at both ends of the disc brake groove;

[0006] The brake structure is arranged in the disc brake groove and corresponds to the movable end position of the oil cylinder, and the brake structure is driven by the oil cylinder to brake;

[0007] The disc is located in the center of the brake structure, and the brake structure clamps the disc to achieve braking.

[0008] As a preferred technical solution, the disc brake body adopts an integrated structure, and an oil passage is provided on the disc brake body, and the oil passage is respectively connected to the oil cylinders at both ends of the disc brake groove; the inlet end of the oil passage is connected to the oil pipe through a connecting structure; an oil inlet hole is provided on the front side of the disc brake body, the oil inlet hole is connected to the oil passage, and an oil stop screw is connected to the oil inlet hole.

[0009] As a preferred technical solution, the brake structure includes a spring and a brake pad;

[0010] The spring piece is located on the inner side of the two brake pads, and the movable end of the spring piece is arranged to avoid the brake end of the brake pad; the upper ends of the spring piece and the brake pad are both provided with through holes, and a latch screw is provided on the disc brake body, and the latch screw passes through the through holes on the spring piece and the upper end of the brake pad, and is locked by a latch; the disc is arranged between the two brake pads.

[0011] As a preferred technical solution, the front connecting thread of the disc brake body is provided with an oil cap, and an oil seal is provided at the end of the oil cap.

[0012] As a preferred technical solution, the connection structure includes a clamping screw and a copper sleeve;

[0013] The clamping screw is connected to the olive head of the oil pipe, and the other end of the clamping screw is placed at the inlet end of the oil passage and connected to the copper sleeve.

[0014] As a preferred technical solution, the connection structure includes a rotating head and a copper sleeve;

[0015] The rotating head is connected to the oil inlet hole on one side of the front face of the disc brake body, and the copper sleeve is located on the rotating head, and the oil pipe is connected and arranged on the copper sleeve.

[0016] As a preferred technical solution, the movable ends of the oil cylinders are provided with disc brake body O-rings.

[0017] The beneficial effects of the utility model are as follows: the brake transmission of the utility model has high braking efficiency, stable braking, improved braking feel, strong braking force, wide adaptability, and more stable and reliable performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the disc brake structure of the utility model;

[0022] Figure 4 and Figure 5 This is a schematic diagram of the olive head copper sleeve connection of the utility model;

[0023] Figure 6 and Figure 7 This is a schematic diagram of the connection of the rotating head of the utility model.

[0024] Reference numerals

[0025] 1. Oil pipe; 2. Clamping screw; 3. Copper sleeve; 4. Disc brake body; 5. Latch; 6. Spring piece; 7. Brake pad; 8. Latch screw; 9. Oil cylinder; 10. Oil seal; 11. Oil cap; 12. Disc brake body O-ring; 13. Oil stop screw; 14. Disc. DETAILED DESCRIPTION

[0026] All features disclosed in this specification, or steps in all methods or processes disclosed, except mutually exclusive features and / or steps, can be combined in any manner.

[0027] like Figure 1 — Figure 3 As shown, a hydraulic disc brake of the utility model comprises:

[0028] A disc brake body 4, wherein a disc brake groove is provided on the disc brake body 4, and oil cylinders 9 are provided at both ends of the disc brake groove;

[0029] The brake structure is arranged in the disc brake groove and corresponds to the movable end position of the oil cylinder 9, and the brake structure is driven by the oil cylinder 9 to brake;

[0030] The disc 14 is located at the center of the brake structure, and the brake structure clamps the disc 14 to achieve braking.

[0031] In this embodiment, the disc brake body 4 adopts an integrated structure, which has higher strength and improved mechanical properties; an oil passage is provided on the disc brake body 4, and the oil passage is respectively connected to the oil cylinders 9 at both ends of the disc brake groove; the inlet end of the oil passage is connected to the oil pipe 1 through a connecting structure; an oil inlet hole is provided on the front side of the disc brake body 4, the oil inlet hole is connected to the oil passage, and an oil stop screw 13 is connected to the oil inlet hole.

[0032] In order to achieve the braking effect, in this embodiment, the braking structure includes a spring piece 6 and a brake shoe 7;

[0033] The spring piece 6 is located on the inner side of the two brake pads 7, and the movable end of the spring piece 6 is arranged to avoid the brake end of the brake pad 7; the upper ends of the spring piece 6 and the brake pad 7 are both provided with through holes, and a latch screw 8 is provided on the disc brake body 4, and the latch screw 8 passes through the spring piece 6 and the through holes on the upper ends of the brake pads, and is locked by the latch 5; the disc 14 is arranged between the two brake pads 7; the oil is guided by the oil pipe 1 to simultaneously push the two oil cylinders 9, thereby pushing out the brake pads 7 and clamping the disc 14 to achieve a smooth braking effect (a stronger braking force can be provided by enlarging the oil cylinder).

[0034] In order to improve the braking feel, in the present embodiment, the front connecting thread of the brake body 4 is provided with an oil cap 11, and an oil seal 10 is provided at the end of the oil cap 11; after tightening and filling with oil, bubbles are avoided from remaining around the thread pattern of the oil cap 11, thereby improving the braking feel and avoiding stress concentration around the thread pattern.

[0035] like Figure 4-Figure 5 As shown, the connection structure includes a clamping screw 2 and a copper sleeve 3;

[0036] The clamping screw 2 is connected to the olive head 15 of the oil pipe 1, and the other end of the clamping screw 2 is placed at the inlet end of the oil passage and connected to the copper sleeve 3;

[0037] like Figure 6-Figure 7 As shown, the connection structure includes a rotating head and a copper sleeve 3;

[0038] The rotating head is connected to the oil inlet hole on the front side of the disc brake body 4 , and the copper sleeve 3 is located on the rotating head, and the oil pipe 1 is connected and arranged on the copper sleeve 3 .

[0039] Hydraulic disc brakes are connected by two oil pipes:

[0040] 1. The front of the main body is connected to the oil pipe through a rotating head 16, which can be freely rotated to adjust the direction of the oil pipe to avoid interference between the oil pipe and the frame;

[0041] 2. Olive head copper sleeve connection method, easy and quick installation;

[0042] These two connection methods are more adaptable and suitable for a variety of frames.

[0043] In this embodiment, the movable ends of the oil cylinders 9 are provided with disc brake body O-rings 12 .

[0044] Here’s how it works:

[0045] Apply pressure to the upper pound handle, and the pressure goes directly to the hydraulic disc brake from the oil pipe, thereby pushing the two oil cylinders in the hydraulic disc brake. The two oil cylinders on both sides push out the brake pads at the same time; the brake pads on both sides clamp the disc at the same time to complete the braking action, and the disc remains in the center without swaying, achieving a smooth braking effect.

[0046] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.

Claims

1. A hydraulic disc brake, characterized in that: include: A disc brake body (4), wherein a disc brake groove is provided on the disc brake body (4), and oil cylinders (9) are provided at both ends of the disc brake groove; A brake structure, wherein the brake structure is arranged in the disc brake groove and corresponds to the movable end position of the oil cylinder (9), and the oil cylinder (9) drives the brake structure to brake; A disc (14), wherein the disc (14) is located at the center of the brake structure, and the brake structure clamps the disc (14) to achieve braking operation; The disc brake body (4) adopts an integrated structure, and an oil passage is provided on the disc brake body (4), and the oil passage is respectively connected to the oil cylinders (9) at both ends of the disc brake groove; the inlet end of the oil passage is connected to the oil pipe (1) through a connecting structure; an oil inlet hole is provided on one side of the front face of the disc brake body (4), the oil inlet hole is connected to the oil passage, and an oil stop screw (13) is connected to the oil inlet hole; The brake structure comprises a spring sheet (6) and a brake shoe (7); The spring sheet (6) is located on the inner side of the two brake pads (7), and the movable end of the spring sheet (6) is arranged to avoid the brake end of the brake pad (7); the upper ends of the spring sheet (6) and the brake pad (7) are both provided with through holes, a latch screw (8) is provided on the disc brake body (4), and the latch screw (8) passes through the spring sheet (6) and the through holes at the upper ends of the brake pads, and is locked by the latch screw (5); the disc (14) is arranged between the two brake pads (7).

2. The hydraulic disc brake according to claim 1, characterized in that: The front surface of the disc brake body (4) is connected to a threaded oil cover (11), and an oil seal (10) is provided at the end of the oil cover (11).

3. The hydraulic disc brake according to claim 1, characterized in that: The connection structure comprises a clamping screw (2) and a copper sleeve (3); The clamping screw (2) is connected to the olive head of the oil pipe (1), and the other end of the clamping screw (2) is placed at the inlet end of the oil passage and connected to the copper sleeve (3).

4. The hydraulic disc brake according to claim 2, characterized in that: The connection structure comprises a rotating head and a copper sleeve (3); The rotating head is connected to the oil inlet hole on the front side of the disc brake body (4), and the copper sleeve (3) is located on the rotating head, and the oil pipe (1) is connected and arranged on the copper sleeve (3).

5. The hydraulic disc brake according to claim 1, characterized in that: The movable ends of the oil cylinders (9) are each provided with a disc brake main body O-ring (12).

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