阅读说明：本技术 自行车刹车系统 (Bicycle brake system ) 是由 陈聪友 于 2019-08-30 设计创作，主要内容包括：本发明公开了一种自行车刹车系统,所述自行车刹车系统包括壳体,所述壳体内分别形成有第一腔和第二腔,所述第一腔内设置有第一丝杠机构,所述第二腔内设置有第二丝杠机构；所述第一齿轮和所述第二齿轮相啮合,刹车盘位于所述第一刹车片和所述第二刹车片之间,所述第一丝杠螺母的侧壁和所述第一腔的内壁相围合形成密闭的油腔,所述油腔上连通有进油管；所述油腔内设置有弹簧,所述弹簧一端与所述第一丝杠螺母相连接,另一端与所述油腔的内壁相连接；解决了传统的碟刹车的刹车片一般有两个,通过两个刹车片的相向运动夹紧碟盘,但是两个刹车片很难同时夹紧碟盘,内部的驱动机构长时间使用后容易松动,使得碟式刹车制动效果下降的问题。(The invention discloses a kind of bicycle brake system, the bicycle brake system includes shell, is respectively formed with the first chamber and the second chamber in the shell, described first it is intracavitary be provided with the first screw mechanism, described second intracavitary is provided with the second screw mechanism；The first gear and the second gear are meshed, brake disc is between the first brake piece and second brake block, the side wall of first feed screw nut is mutually enclosed closed oil pocket with the inner wall of first chamber, is communicated with oil inlet pipe on the oil pocket；Spring is provided in the oil pocket, the spring one end is connected with first feed screw nut, and the other end is connected with the inner wall of the oil pocket；Solve traditional disc brake brake block it is general there are two, clamping disc is moved toward one another by two brake blocks, but two brake blocks are difficult to simultaneously clamp on disc, are easy to loosen after internal driving mechanism long-time use, so that the problem of disc brake braking effect declines.)

1. a kind of bicycle brake system, which is characterized in that the bicycle brake system includes shell (1), the shell (1) It is inside respectively formed with the first chamber (5) and the second chamber (6), is provided with the first screw mechanism, second chamber in first chamber (5) (6) the second screw mechanism is provided in；

First screw mechanism include: one end be rotatably arranged in first chamber (5) the first wire lever (802), The first feed screw nut (803) for being socketed on first wire lever (802) is coaxially fixed on first wire lever (802) The first gear (805) of end, be fixed on first feed screw nut (803) end face first brake piece (804)；

Second screw mechanism include: one end be rotatably arranged in second chamber (6) the second wire lever (902), The second feed screw nut (903) for being socketed on second wire lever (902) is coaxially fixed on second wire lever (902) The second gear (905) of end, be fixed on second feed screw nut (903) end face the second brake block (904)；

The first gear (805) and the second gear (905) are meshed, and brake disc (7) is located at the first brake piece (804) between second brake block (904), the side wall of first feed screw nut (803) and first chamber (5) it is interior Wall is mutually enclosed closed oil pocket, and oil inlet pipe (4) are communicated on the oil pocket；

It is provided in the oil pocket spring (11), described spring (11) one end is connected with first feed screw nut (803), separately One end is connected with the inner wall of the oil pocket.

2. bicycle brake system according to claim 1, which is characterized in that the inner wall of first chamber (5) is fixed with First bearing (801), first wire lever (802) are at least partly pivotally arranged in the first bearing (801).

3. bicycle brake system according to claim 1, which is characterized in that the inner wall of second chamber (6) is fixed with Second bearing (901), second wire lever (902) are at least partly pivotally arranged in the second bearing (901).

4. bicycle brake system according to claim 1, which is characterized in that first feed screw nut (803) and institute State surface socket rubber sleeve (10) of the second feed screw nut (903).

5. bicycle brake system according to claim 1, which is characterized in that the first brake piece (804) passes through the One connecting rod is fixed on first feed screw nut (803).

6. bicycle brake system according to claim 1, which is characterized in that be provided with mounting hole on the shell (1) (2)。

7. bicycle brake system according to claim 1, which is characterized in that it is solid to be provided with oil pipe on the shell (1) Reservation (3), the oil inlet pipe (4) are at least partly fixed in the oil pipe fixing seat (3).

8. bicycle brake system according to claim 1, which is characterized in that the brake disc (7) is magnesium alloy material Matter.

Technical field

The present invention relates to bicycle assembly parts, and in particular, to a kind of bicycle brake system.

Background technique

It is high when the braking clamp of brake disk and disk border that disc brake is connected by one with wheel forms brake Pressure brake fluid pushes brake block to be allowed to clamp brake disc to generate braking effect.Wherein, hydraulic disc is to be situated between with oil liquid Matter draws brake being that piston inside actuation compresses oil liquid, and pressure leads directly to clamp from oil pipe, so that the piston in clamp is pushed, Brake block is driven to clamp disc.There are two the brake block of traditional disc brake is general, folder is moved toward one another by two brake blocks Tight disc, but two brake blocks are difficult to simultaneously clamp on disc, are easy to loosen after internal driving mechanism long-time use, so that The decline of disc brake braking effect.

Summary of the invention

The object of the present invention is to provide a kind of bicycle brake system, the brake block for solving traditional disc brake generally has Two, clamping disc is moved toward one another by two brake blocks, but two brake blocks are difficult to simultaneously clamp on disc, internal drive It is easy to loosen after motivation structure long-time use, so that the problem of disc brake braking effect declines.

To achieve the goals above, the present invention provides a kind of bicycle brake system, the bicycle brake system packets Include shell, be respectively formed with the first chamber and the second chamber in the shell, described first it is intracavitary be provided with the first screw mechanism, it is described Second intracavitary is provided with the second screw mechanism；

First screw mechanism includes: that one end is rotatably arranged in described first the first intracavitary wire lever, socket The first feed screw nut on first wire lever, the first gear for being coaxially fixed on the first lead screw boom end, fixation First brake piece in the end face of first feed screw nut；

Second screw mechanism includes: that one end is rotatably arranged in described second the second intracavitary wire lever, socket The second feed screw nut on second wire lever, the second gear for being coaxially fixed on the second lead screw boom end, fixation The second brake block in the end face of second feed screw nut；

The first gear and the second gear are meshed, and brake disc is located at the first brake piece and described second and stops Between vehicle piece, the side wall of first feed screw nut is mutually enclosed closed oil pocket, the oil with the inner wall of first chamber Oil inlet pipe is communicated on chamber；

Spring is provided in the oil pocket, the spring one end is connected with first feed screw nut, the other end and institute The inner wall for stating oil pocket is connected.

Preferably, the inner wall of first chamber is fixed with first bearing, and first wire lever is at least partly pivotally It is arranged in the first bearing.

Preferably, the inner wall of second chamber is fixed with second bearing, and second wire lever is at least partly pivotally It is arranged in the second bearing.

Preferably, the surface of first feed screw nut and second feed screw nut is socketed rubber sleeve.

Preferably, the first brake piece is fixed on first feed screw nut by first connecting rod.

Preferably, mounting hole is provided on the shell.

Preferably, oil pipe fixing seat is provided on the shell, it is solid that the oil inlet pipe is at least partly fixed on the oil pipe In reservation.

Preferably, the brake disc is magnesium alloy material.

According to the above technical scheme, the present invention provides a kind of bicycle brake system, the bicycle brake system packets Include shell, be respectively formed with the first chamber and the second chamber in the shell, described first it is intracavitary be provided with the first screw mechanism, it is described Second intracavitary is provided with the second screw mechanism；First screw mechanism includes: that one end is rotatably arranged in first chamber Interior the first wire lever, is coaxially fixed on first wire lever at the first feed screw nut being socketed on first wire lever The first gear of end, be fixed on first feed screw nut end face first brake piece；Second screw mechanism includes: One end is rotatably arranged in described second the second intracavitary wire lever, the second lead screw spiral shell being socketed on second wire lever Female, to be coaxially fixed on the second lead screw boom end second gear, be fixed on second feed screw nut end face second Brake block；The first gear and the second gear are meshed, and brake disc is located at the first brake piece and described second and stops Between vehicle piece, the side wall of first feed screw nut is mutually enclosed closed oil pocket, the oil with the inner wall of first chamber It is communicated with oil inlet pipe on chamber, spring is provided in the oil pocket, the spring one end is connected with first feed screw nut, separately One end is connected with the inner wall of the oil pocket；When pressing the brake on handlebar, hydraulic oil is entered in oil pocket, and promotes the One feed screw nut is mobile towards right side, and the movement of the first feed screw nut drives the first wire lever to rotate clockwise, and passes through first gear With the transmission effect of second gear so that the second wire lever rotates counterclockwise, so that the second feed screw nut be driven to move towards left side, First feed screw nut and the second feed screw nut move toward one another, and enable first brake piece and the second brake block by disk folder of braking Tightly, braking action is played, when unclamping the brake on handlebar later, the first feed screw nut resets under the action of the spring；This hair The bicycle brake system of bright offer enables to first brake piece and the second brake block while contacting brake disc, is pressed from both sides Tightly, and the driving mechanism is stablized, and will not loosen after long-time use, can play excellent braking effect.

Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.

Detailed description of the invention

The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:

Fig. 1 is the structure chart of bicycle brake system provided by the invention.

Description of symbols

1- shell 2- mounting hole

3- oil pipe fixing seat 4- oil inlet pipe

5- the first chamber the second chamber of 6-

7- brake disc 10- rubber sleeve

11- spring 801- first bearing

802- the first wire lever the first feed screw nut of 803-

804- first brake piece 805- first gear

901- second bearing the second wire lever of 902-

903- the second feed screw nut the second brake block of 904-

905- second gear

Specific embodiment

Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.

In the present invention, in the absence of explanation to the contrary, the noun of locality that " left and right " etc. is included in the term only represents Orientation of the term under normal service condition, or be those skilled in the art understand that be commonly called as, and be not construed as to the term Limitation.

As shown in Figure 1: the present invention provides a kind of bicycle brake system, the bicycle brake system includes shell 1, It is respectively formed with the first chamber 5 and the second chamber 6 in the shell 1, is provided with the first screw mechanism in first chamber 5, described The second screw mechanism is provided in two chambers 6；First screw mechanism includes: that one end is rotatably arranged in first chamber 5 Interior the first wire lever 802, is coaxially fixed on described at the first feed screw nut 803 being socketed on first wire lever 802 The first gear 805 of one wire lever, 802 end, be fixed on first feed screw nut 803 end face first brake piece 804； Second screw mechanism include: one end be rotatably arranged in second chamber 6 the second wire lever 902, be socketed in institute The second gear stated the second feed screw nut 903 on the second wire lever 902, be coaxially fixed on 902 end of the second wire lever 905, it is fixed on the second brake block 904 of the end face of second feed screw nut 903；The first gear 805 and described second Gear 905 is meshed, and brake disc 7 is between the first brake piece 804 and second brake block 904, and described first The side wall of thick stick nut 803 is mutually enclosed closed oil pocket with the inner wall of first chamber 5, is communicated with oil inlet pipe on the oil pocket 4；Spring 11 is provided in the oil pocket, described 11 one end of spring is connected with first feed screw nut 803, the other end and institute The inner wall for stating oil pocket is connected.When pressing the brake on handlebar, hydraulic oil is entered in oil pocket, and promotes the first lead screw spiral shell Mother is mobile towards right side, and the movement of the first feed screw nut drives the first wire lever to rotate clockwise, and passes through first gear and the second tooth The transmission effect of wheel, so that the second wire lever rotates counterclockwise, so that the second feed screw nut is driven to move towards left side, the first lead screw Moving toward one another for nut and the second feed screw nut, enables first brake piece and the second brake block by chuck clamping of braking, plays Braking action, when unclamping the brake on handlebar later, the first feed screw nut resets under the action of the spring；It is provided by the invention Bicycle brake system enables to first brake piece and the second brake block while contacting brake disc, is clamped, and the drive Dynamic mechanism stable, will not loosen after long-time use, can play excellent braking effect.

In a preferred embodiment of the invention, described in order to enable the first wire lever can be rotated smoothly The inner wall of first chamber 5 is fixed with first bearing 801, and first wire lever 802 is at least partly pivotally arranged in described In one bearing 801.

In a preferred embodiment of the invention, described in order to enable the second wire lever can be rotated smoothly The inner wall of second chamber 6 is fixed with second bearing 901, and second wire lever 902 is at least partly pivotally arranged in described In two bearings 901.

In a preferred embodiment of the invention, in order to improve the close of the first feed screw nut and the second feed screw nut Sealing property prevents oil leak, the surface socket rubber sleeve 10 of first feed screw nut 803 and second feed screw nut 903.

In a preferred embodiment of the invention, for effectively fixed first brake piece 804, the first brake Piece 804 is fixed on first feed screw nut 803 by first connecting rod.

In a preferred embodiment of the invention, shell 1 in order to facilitate the installation of is provided with peace on the shell 1 Fill hole 2.

In a preferred embodiment of the invention, in order to facilitate the external connection of oil inlet pipe 4, on the shell 1 It is provided with oil pipe fixing seat 3, the oil inlet pipe 4 is at least partly fixed in the oil pipe fixing seat 3.

In a preferred embodiment of the invention, in order to increase the heat-sinking capability and mechanical strength of brake disc, institute Stating brake disc 7 is magnesium alloy material.

It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention Monotropic type, these simple variants all belong to the scope of protection of the present invention.

It is further to note that specific technical features described in the above specific embodiments, in not lance In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can No further explanation will be given for the combination of energy.

In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally The thought of invention, it should also be regarded as the disclosure of the present invention.