阅读说明：本技术 双制动自行车碟刹装置 (Double-brake disc brake device for bicycle ) 是由 陈聪友 于 2019-08-30 设计创作，主要内容包括：本发明公开了一种双制动自行车碟刹装置,所述双制动自行车碟刹装置包括壳体,所述壳体内形成有空腔,刹车盘至少部分位于所述空腔内,所述壳体内设置有第一刹车片,所述第一刹车片与驱动机构相连接,使得所述驱动机构能够带动所述第一刹车片朝所述刹车盘的第一面运动；解决了传统的双面驱动结构的刹片,其很难保证两个刹片同时接触刹车盘,且提供的驱动力不足,导致制动效果不理想的问题。(The invention discloses a double-brake bicycle disc brake device, which comprises a shell, wherein a cavity is formed in the shell, a brake disc is at least partially positioned in the cavity, a first brake pad is arranged in the shell and is connected with a driving mechanism, so that the driving mechanism can drive the first brake pad to move towards a first surface of the brake disc; the problem of traditional two-sided drive structure's the piece of stopping, it is difficult to guarantee that two pieces of stopping contact the brake disc simultaneously, and the drive power that provides is not enough, leads to the braking effect unsatisfactory is solved.)

1. A double-brake bicycle disc brake device is characterized by comprising a shell (1), wherein a cavity (5) is formed in the shell (1), a brake disc (16) is at least partially positioned in the cavity (5), a first brake pad (2) is arranged in the shell (1), and the first brake pad (2) is connected with a driving mechanism, so that the driving mechanism can drive the first brake pad (2) to move towards a first surface of the brake disc (16);

Still be provided with first push rod (4) in casing (1), first push rod (4) one end with first brake block (2) contact, and first lead screw nut (7) is connected to the other end, rotationally be provided with first lead screw lever (8) in casing (1), first lead screw nut (7) cup joint on first lead screw lever (8), coaxial fixed first gear (9) on first lead screw lever (8), still rotationally be provided with second lead screw lever (10) in casing (1), coaxial fixed on second lead screw lever (10) with second gear (11) that first gear (9) meshed, cup joint second lead screw nut (12) on second lead screw lever (19), first lead screw nut (12) are connected with second brake block (2) through second push rod (13), make second push rod (13) can drive second brake block (2) court brake disc (16) The second surface motion of (2);

And a spring (17) is further sleeved on the first screw lever (8) on the left side of the first screw nut (7), one end of the spring (17) is connected with the first screw nut (7), and the other end of the spring is connected with the inner wall of the shell (1).

2. The dual-brake bicycle disc brake device according to claim 1, wherein the driving mechanism comprises a threaded sleeve (201) fixed in the housing (1), a threaded rod (202) at least partially rotatably located in the threaded sleeve (201), a torsion spring (203) sleeved on the threaded rod (202), a rocker arm (204); threaded rod (202) one end is connected first brake block (2), and the other end is connected rocking arm (204), torsional spring (203) one end is fixed in casing (1), the other end is fixed in rocking arm (204), twist reverse rocking arm (204) can make threaded rod (202) rotate, and drive first brake block (2) court the first side motion of brake disc (16).

3. a dual-brake bicycle disc brake apparatus according to claim 2, wherein the swing arm (204) is provided with a cable mounting hole (205).

4. Double-brake bicycle disc brake device according to claim 1, characterized in that a first sliding sleeve (6) is fixed inside the housing (1), the first push rod (4) being at least partially slidably located inside the first sliding sleeve (6).

5. double-brake bicycle disc brake device according to claim 1, characterized in that a second sliding sleeve (14) is fixed inside the housing (1), the second push rod (13) being at least partially slidably located inside the second sliding sleeve (14).

6. A double-brake bicycle disc brake device according to claim 1, characterized in that two sets of first bearings are provided in the housing (1), and both ends of the first wire lever (8) are rotatably provided in the first bearings, respectively.

7. A double-brake bicycle disc brake apparatus according to claim 1, wherein a second bearing is provided in the housing (1), and both ends of the second wire lever (10) are rotatably provided in the second bearing, respectively.

8. A double-brake bicycle disc brake apparatus according to claim 2, wherein the first brake pad (2) is connected to one end of the threaded rod (202) by a disc (3), the disc (3) being at least partially in contact with the first push rod (4).

9. A double brake bicycle disc brake apparatus according to claim 1, wherein rubber pads are adhered to the surface of the first brake pad (2) and the second brake pad (15).

Technical Field

The invention relates to a bicycle brake system, in particular to a double-brake bicycle disc brake device.

Background

The mechanical disc brake is characterized in that a brake pad in a caliper is rubbed and clamps a disc by the tensile force of a brake cable, so that a brake effect is generated. In mechanical type dish is stopped, has the piece of stopping of single face drive structure, also has the piece of stopping of two-sided drive structure, the piece of stopping of traditional two-sided drive structure, it is difficult to guarantee two pieces of stopping and contact the brake disc simultaneously, and the drive power that provides is not enough, leads to the braking effect unsatisfactory.

Disclosure of Invention

The invention aims to provide a double-brake bicycle disc brake device, which solves the problems that the two brake sheets are difficult to contact with a brake disc simultaneously and the provided driving force is insufficient to cause unsatisfactory braking effect in the conventional brake sheet with a double-sided driving structure.

In order to achieve the purpose, the invention provides a double-brake bicycle disc brake device, which comprises a shell, wherein a cavity is formed in the shell, a brake disc is at least partially positioned in the cavity, a first brake pad is arranged in the shell and is connected with a driving mechanism, so that the driving mechanism can drive the first brake pad to move towards a first surface of the brake disc;

A first push rod is further arranged in the shell, one end of the first push rod is in contact with the first brake pad, the other end of the first push rod is connected with a first lead screw nut, a first lead screw lever is rotatably arranged in the shell, the first lead screw nut is sleeved on the first lead screw lever, a first gear is coaxially fixed on the first lead screw lever, a second lead screw lever is further rotatably arranged in the shell, a second gear meshed with the first gear is coaxially fixed on the second lead screw lever, a second lead screw nut is sleeved on the second lead screw lever, and the first lead screw nut is connected with the second brake pad through the second push rod, so that the second push rod can drive the second brake pad to move towards the second surface of the brake disc;

And a spring is further sleeved on the first screw rod positioned on the left side of the first screw nut, one end of the spring is connected with the first screw nut, and the other end of the spring is connected with the inner wall of the shell.

Preferably, the driving mechanism comprises a threaded sleeve fixed in the shell, a threaded rod at least partially rotatably positioned in the threaded sleeve, a torsion spring sleeved on the threaded rod, and a rocker arm; threaded rod one end is connected first brake block, the other end is connected the rocking arm, torsional spring one end is fixed in the casing, the other end is fixed in the rocking arm, twist reverse the rocking arm can make the threaded rod rotates, and drives first brake block court the first side motion of brake disc.

Preferably, the rocker arm is provided with a stay wire mounting hole.

Preferably, a first sliding sleeve is fixed in the housing, and the first push rod is at least partially slidably located in the first sliding sleeve.

Preferably, a second sliding sleeve is fixed in the housing, and the second push rod is at least partially slidably located in the second sliding sleeve.

Preferably, two sets of first bearings are arranged in the shell, and two ends of the first wire lever are respectively and rotatably arranged in the first bearings.

Preferably, a second bearing is arranged in the shell, and two ends of the second wire lever are respectively and rotatably arranged in the second bearing.

Preferably, the first brake pad is connected with one end of the threaded rod through a disc, and the disc is at least partially contacted with the first push rod.

Preferably, rubber sheets are adhered to the surfaces of the first brake pad and the second brake pad.

According to the technical scheme, the invention provides a double-brake bicycle disc brake device which comprises a shell, wherein a cavity is formed in the shell, a brake disc is at least partially positioned in the cavity, a first brake pad is arranged in the shell and connected with a driving mechanism, so that the driving mechanism can drive the first brake pad to move towards a first surface of the brake disc; a first push rod is further arranged in the shell, one end of the first push rod is in contact with the first brake pad, the other end of the first push rod is connected with a first lead screw nut, a first lead screw lever is rotatably arranged in the shell, the first lead screw nut is sleeved on the first lead screw lever, a first gear is coaxially fixed on the first lead screw lever, a second lead screw lever is further rotatably arranged in the shell, a second gear meshed with the first gear is coaxially fixed on the second lead screw lever, a second lead screw nut is sleeved on the second lead screw lever, and the first lead screw nut is connected with the second brake pad through the second push rod, so that the second push rod can drive the second brake pad to move towards the second surface of the brake disc; when the manual brake of the bicycle is pressed, the driving mechanism can drive the first brake pad to move towards the first surface of the brake disc, when the first brake pad moves leftwards, the first push rod and the first screw nut are driven to move leftwards, the first screw nut moves to drive the first screw lever to rotate clockwise by taking the self axis as the shaft, the first screw lever drives the second screw lever to rotate anticlockwise by taking the self axis as the shaft through the transmission of the first gear and the second gear, so that the second brake pad is driven to move towards the second surface of the brake disc through the second screw nut and the second push rod, the two surfaces of the brake disc are respectively the first surface and the second surface, the brake disc is clamped through the opposite movement of the first brake pad and the second brake pad, and the braking purpose is achieved. Provides excellent driving force and has good braking effect.

additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a block diagram of a dual brake bicycle disc brake device provided by the present invention.

Description of the reference numerals

1-housing 2-first brake pad

201-threaded sleeve 202-threaded rod

203-torsion spring 204-rocker arm

205-stay wire mounting hole 3-disc

4-first push rod 5-Cavity

6-first sliding sleeve 7-first screw nut

8-first screw lever 9-first gear

10-second wire lever 11-second gear

12-second lead screw nut 13-second push rod

14-the second sliding sleeve 15-the second brake block

16-brake disc 17-spring

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

In the present invention, unless otherwise specified, an orientation word such as "axial direction" or the like included in a term merely represents an orientation of the term in a conventional use state or a colloquial meaning understood by those skilled in the art, and should not be construed as limiting the term.

as shown in fig. 1: the invention provides a double-brake bicycle disc brake device, which comprises a shell 1, wherein a cavity 5 is formed in the shell 1, a brake disc 16 is at least partially positioned in the cavity 5, a first brake pad 2 is arranged in the shell 1, and the first brake pad 2 is connected with a driving mechanism, so that the driving mechanism can drive the first brake pad 2 to move towards a first surface of the brake disc 16; a first push rod 4 is further arranged in the shell 1, one end of the first push rod 4 is in contact with the first brake pad 2, the other end of the first push rod is connected with a first lead screw nut 7, a first lead screw lever 8 is rotatably arranged in the shell 1, the first lead screw nut 7 is sleeved on the first lead screw lever 8, a first gear 9 is coaxially fixed on the first lead screw lever 8, a second lead screw lever 10 is further rotatably arranged in the shell 1, a second gear 11 meshed with the first gear 9 is coaxially fixed on the second lead screw lever 10, a second lead screw nut 12 is sleeved on the second lead screw lever 19, the first lead screw nut 12 is connected with the second brake pad 2 through a second push rod 13, so that the second push rod 13 can drive the second brake pad 2 to move towards the second surface of the brake disc 16, a spring 17 is further arranged on the sleeved first lead screw lever 8 on the left side of the first lead screw nut 7, one end of the spring 17 is connected with the first lead screw nut 7, and the other end of the spring is connected with the inner wall of the shell 1. When the manual brake of the bicycle is pressed, the driving mechanism can drive the first brake pad to move towards the first surface of the brake disc, when the first brake pad moves leftwards, the first push rod and the first screw nut are driven to move leftwards, the first screw nut moves to drive the first screw lever to rotate clockwise by taking the self axis as the shaft, the first screw lever drives the second screw lever to rotate anticlockwise by taking the self axis as the shaft through the transmission of the first gear and the second gear, so that the second brake pad is driven to move towards the second surface of the brake disc through the second screw nut and the second push rod, the two surfaces of the brake disc are respectively the first surface and the second surface, the brake disc is clamped through the opposite movement of the first brake pad and the second brake pad, and the braking purpose is achieved. Provides excellent driving force and has good braking effect.

In a preferred embodiment of the present invention, the driving mechanism includes a threaded sleeve 201 fixed in the housing 1, a threaded rod 202 at least partially rotatably located in the threaded sleeve 201, a torsion spring 203 sleeved on the threaded rod 202, and a rocker arm 204; threaded rod 202 one end is connected first brake block 2, the other end is connected rocking arm 204, torsional spring 203 one end is fixed in the casing 1, the other end is fixed in the rocking arm 204, twist reverse rocking arm 204 can make threaded rod 202 rotates, and drives first brake block 2 court the first side motion of brake disc 16. When the handle is sent to open the brake, the threaded rod resets under the action of the torsion spring, the first brake block leaves the brake disc, and in the same way, the second screw nut resets under the elastic force action of the spring, and under the principle, the second brake block also leaves the brake disc at the same time.

In a preferred embodiment of the present invention, in order to facilitate the installation of the brake cable, the rocker arm 204 is provided with a cable installation hole 205.

In a preferred embodiment of the present invention, in order to enable the first push rod to slide more smoothly, a first sliding sleeve 6 is fixed in the housing 1, and the first push rod 4 is at least partially slidably located in the first sliding sleeve 6.

In a preferred embodiment of the present invention, in order to enable the second push rod to slide more smoothly, a second sliding sleeve 14 is fixed in the housing 1, and the second push rod 13 is at least partially slidably located in the second sliding sleeve 14.

In a preferred embodiment of the present invention, in order to facilitate smooth rotation of the first wire lever, two sets of first bearings are provided in the housing 1, and both ends of the first wire lever 8 are rotatably provided in the first bearings, respectively.

In a preferred embodiment of the present invention, in order to facilitate smooth rotation of the second wire lever, a second bearing is provided in the housing 1, and both ends of the second wire lever 10 are rotatably provided in the second bearings, respectively.

In a preferred embodiment of the present invention, in order to enable the first brake pad 2 to better push the first push rod, the first brake pad 2 is connected to one end of the threaded rod 202 through a disc 3, and the disc 3 is at least partially in contact with the first push rod 4.

In a preferred embodiment of the present invention, rubber sheets are adhered to the surfaces of the first brake pad 2 and the second brake pad 15 to improve the braking effect.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.