CN216139971U - Hollow automatic brake transmission rack - Google Patents
Hollow automatic brake transmission rack Download PDFInfo
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- CN216139971U CN216139971U CN202121305627.XU CN202121305627U CN216139971U CN 216139971 U CN216139971 U CN 216139971U CN 202121305627 U CN202121305627 U CN 202121305627U CN 216139971 U CN216139971 U CN 216139971U
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- automatic brake
- hollow
- ring
- hollow automatic
- rack according
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Abstract
The utility model relates to a hollow automatic brake transmission rack which comprises a body (1) with a hollow structure inside, wherein the body (1) is in the shape of a cylinder with transmission teeth (11), and is characterized in that ring grooves (2) are arranged at two ends of the body (1), and friction rings are arranged in the ring grooves (2). Compared with the prior art, the utility model can reduce the noise pollution in the transmission process and has simple structure.
Description
Technical Field
The utility model relates to the technical field of new energy automobiles, in particular to a hollow automatic brake transmission rack.
Background
The automobile brake system mainly comprises an energy supply device, a control device, a transmission device, a brake and the like, wherein the transmission device comprises a section of transmission rack for converting the rotary motion of a gear into horizontal movement so as to push the brake to brake. Transmission rack adopts solid steel processing to form more among the prior art, it is very clumsy, on the one hand, the kinetic energy that the big transmission rack of weight removed the needs is bigger, on the other hand, because weight is big, the frictional force of removal is also bigger, lead to the noise bigger, along with new energy automobile's high-speed development, the booming sound that has not had gasoline engine covers the drive train noise (braking screaming sound, gear engagement transmission noise, the noise that causes such as gearbox gear knock sound), let people can't experience the quiet driving environment of electric automobile, consequently, need to improve above-mentioned problem urgently.
The utility model patent CN201720310906.2 discloses a driving rack for new energy automobile electron-assisted auxiliary brake system is equipped with driving rack among the braking system, and driving rack includes the casing and assembles at the inside driving rack body of casing, and the inside of driving rack body is hollow structure, and the cylinder of shape for having the driving tooth of driving rack body, driving tooth and gear engagement on the driving rack body. The utility model discloses a whole rack is hollow, and weight has reduced 40% ~ 60%, and the design of rack back has wear-resisting piece assembly groove in addition, inlays wear-resisting material, has both guaranteed the wearability of driving rack body when removing, has reduced frictional force again, noise reduction. However, the utility model discloses an assembly clutch blocks process is loaded down with trivial details, and the clutch blocks easily drops off, and the structure is complicated, and processing is loaded down with trivial details.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a hollow automatic brake transmission rack which can reduce noise pollution in the transmission process and has a simple structure.
The purpose of the utility model can be realized by the following technical scheme: the utility model provides a hollow automatic brake driving rack, is hollow structure's body including inside, the shape of body is the cylinder that has the driving tooth, the body both ends be equipped with the annular, the annular in be provided with the friction ring.
Preferably, the ring groove and the friction ring are both in a complete circular ring shape.
Preferably, the outer wall of the friction ring is slightly higher than the outer wall of the body.
Preferably, the transmission teeth are arranged on the outer wall of one side of the body and are arranged along the axial direction of the body.
Preferably, the included angle between the transmission gear and the radial direction of the body is an acute angle.
Preferably, one side of the ring groove is a body end part, the other side of the ring groove is an annular limiting part, and the outer diameter of the annular limiting part is the same as that of the body.
Further preferably, one side of the friction ring abuts against the end of the body, and the other side of the friction ring abuts against the annular limiting part.
Preferably, the friction ring is made of elastic wear-resistant material.
Preferably, the transmission rack is made of hollow steel tubes.
Preferably, the transmission gear is meshed with a transmission gear, and the transmission gear is arranged in an electronic power-assisted auxiliary braking system of the new energy automobile.
Compared with the prior art, the utility model has the following advantages:
1. the utility model adopts the matching arrangement of the ring groove and the friction ring, has simple structure and convenient assembly, and the friction ring is not easy to fall off;
2. the ring groove and the friction ring are both in a complete ring shape, so that the noise transmission is reduced in a full-sealing manner, the system noise is reduced, and the riding comfort is improved;
3. the ring groove structure is simple and convenient to process;
4. the interior of the body is of a hollow structure, and compared with a solid rack processed by a traditional steel bar, the weight is reduced, the development trend of light weight is met, and the weight of the whole vehicle is reduced;
5. the transmission rack is prepared by adopting the hollow steel pipe as a raw material, so that the machining allowance is reduced, and the material utilization rate is improved;
6. the transmission rack has compact structure and convenient installation, and ensures that the transmission efficiency of the transmission device is high.
Drawings
FIG. 1 is a schematic structural view of a hollow automatic brake transmission rack according to the present invention;
FIG. 2 is a cross-sectional view of the hollow automatic brake drive rack of the present invention;
in the figure: 1-body, 11-transmission gear, 2-ring groove and 21-ring limiting part.
Detailed Description
The utility model is described in detail below with reference to the figures and specific embodiments. The following examples are carried out on the premise of the technical scheme of the utility model, and detailed embodiments and specific operation processes are given, but the scope of the utility model is not limited to the following examples.
Example 1
A hollow automatic brake transmission rack is shown in figures 1-2 and comprises a body 1, transmission teeth 11, an annular groove 2 and an annular limiting portion 21, wherein the body 1 is a hollow cylinder, the transmission teeth 11 are arranged on the outer wall of one side of the body, and the transmission teeth 11 are meshed with a transmission gear in an electronic power-assisted auxiliary braking system of a new energy automobile. Annular grooves 2 are arranged at two ends of the body 1, one side of each annular groove 2 is the end part of the body 1, the other side of each annular groove 2 is an annular limiting part 21, and annular friction rings are clamped in the annular grooves 2.
The transmission rack is rubbed by the friction ring, so that friction noise generated in the transmission process is reduced, the body 1 is of a hollow structure, the whole body is lightened, and friction force is reduced.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. The utility model provides a hollow automatic brake driving rack, is hollow structure's body (1) including inside, the cylinder of shape for having driving gear (11) of body (1), its characterized in that, body (1) both ends be equipped with annular (2), annular (2) in be provided with the friction ring.
2. The hollow automatic brake driving rack according to claim 1, wherein the ring groove (2) and the friction ring are both in the shape of a complete ring.
3. Hollow automatic brake driving rack according to claim 1, characterized in that the outer wall of the friction ring is slightly higher than the outer wall of the body (1).
4. The hollow automatic brake driving rack according to claim 1, wherein the driving teeth (11) are arranged on the outer wall of one side of the body (1) and are arranged along the axial direction of the body (1).
5. The hollow automatic brake driving rack according to claim 1, wherein the included angle between the driving gear (11) and the radial direction of the body (1) is an acute angle.
6. The hollow automatic brake transmission rack according to claim 1, wherein one side of the ring groove (2) is the end of the body (1), the other side is the ring-shaped limiting part (21), and the outer diameter of the ring-shaped limiting part (21) is the same as the outer diameter of the body (1).
7. The hollow automatic brake driving rack according to claim 1, wherein one side of the friction ring is abutted against the end of the body (1), and the other side is abutted against the annular limiting part (21).
8. The hollow automatic brake drive rack of claim 1, wherein said friction ring is made of a resilient wear resistant material.
9. The hollow automatic brake drive rack of claim 1, wherein said drive rack is made of hollow steel tubing.
10. The hollow automatic brake driving rack according to claim 1, characterized in that the driving gear (11) is engaged with a transmission gear, and the transmission gear is arranged in an electronic power-assisted auxiliary brake system of a new energy automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121305627.XU CN216139971U (en) | 2021-06-11 | 2021-06-11 | Hollow automatic brake transmission rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121305627.XU CN216139971U (en) | 2021-06-11 | 2021-06-11 | Hollow automatic brake transmission rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216139971U true CN216139971U (en) | 2022-03-29 |
Family
ID=80800323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121305627.XU Active CN216139971U (en) | 2021-06-11 | 2021-06-11 | Hollow automatic brake transmission rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216139971U (en) |
-
2021
- 2021-06-11 CN CN202121305627.XU patent/CN216139971U/en active Active
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