CN220151767U - Brake caliper body - Google Patents
Brake caliper body Download PDFInfo
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- CN220151767U CN220151767U CN202321425444.0U CN202321425444U CN220151767U CN 220151767 U CN220151767 U CN 220151767U CN 202321425444 U CN202321425444 U CN 202321425444U CN 220151767 U CN220151767 U CN 220151767U
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- caliper body
- brake caliper
- oil
- fixing hole
- communicated
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- 238000007789 sealing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the field of braking, and discloses a brake caliper body, which comprises a first brake caliper body and a second brake caliper body. An oil inlet, a first piston cavity, a first fixing hole and a first oil path channel are arranged on the first brake caliper body. The oil inlet is communicated with the first piston cavity, and the first oil path channel is respectively communicated with the first piston cavity and the first fixing hole. The first fixing hole is a smooth through hole. The second brake caliper body is provided with an exhaust port, a second piston cavity, a second fixing hole and a second oil path channel. The exhaust port is communicated with the second piston cavity, one end of the second oil path channel is communicated with the second piston cavity, and the other end of the second oil path channel is communicated with the second fixing hole. The second fixing hole is a blind hole with internal threads. The second fixing hole is provided with a plurality of oil grooves. One end of the second oil path channel is positioned on the oil through groove. The second fixing hole and the first fixing hole are positioned on the same shaft center. The utility model has the advantages of no need of arranging connecting oil pipes, smooth oil path, simple and convenient manufacture and high use strength.
Description
Technical Field
The utility model relates to the field of braking, in particular to a brake caliper body.
Background
The disc brake consists of a brake disc connected with a wheel and a brake caliper at the edge of the disc, and the working principle of the disc brake is that a disc which rotates synchronously with the wheel is arranged on a hub, calipers are arranged on a front fork and a frame, and the disc is clamped by a brake block in the calipers, so that the purpose of braking is achieved.
The calipers are divided into a one-way caliper and a counter-way caliper. One-way calipers, namely, only one side is provided with a piston, and the other side clamps a disc through reaction force to realize braking; pistons are arranged on two sides of the opposite calipers, and the disc is clamped by the disc through the driving of the pistons to realize braking. The braking effect of the opposite calipers is better than that of the one-way calipers. The opposite calipers in the current market mostly adopt a connecting oil pipe to connect two oil cavities of the calipers, and are communicated with the connecting oil pipe through the oil pipe. Although the pistons on both sides can move simultaneously through one oil pipe, the connecting oil pipe is exposed outside, and the following problems exist: 1. is easy to be damaged by the outside, oil leakage is generated, the situation of brake failure occurs, and riding safety is affected. 2. The external space is occupied, and hidden danger of interference to rotation of the hub exists.
In order to solve the problem brought by connecting the oil pipe in the market, remove the oil pipe that connects, adopt through opening the oil circuit in the interior of the caliper body, the piston chamber of the first brake caliper body and the second brake caliper body of intercommunication. The patent numbers are as follows: in the patent of CN208686765U, an oil groove is formed in a bolt to realize smooth oil passage of a piston cavity for communicating the first brake caliper body and the second brake caliper body. But in this way there are the following disadvantages: 1. the bolt processing procedure is added, and meanwhile, the use intensity of the bolt is greatly reduced due to the arrangement of the oil through groove, and when the bolt is loosened, safety accidents can be caused by braking failure, so that potential safety hazards exist; 2. the oil through grooves are formed in the bolts, the oil through grooves in the bolts are required to be aligned with oil path holes in the calipers, otherwise, the oil paths are not smooth, and the thread matching difficulty is increased.
Disclosure of Invention
The utility model aims to solve the problems of potential safety hazard and complex manufacture caused by the fact that an oil groove is formed in a connecting bolt of an existing brake caliper, and provides a brake caliper body which is free of a connecting oil pipe, smooth in oil path, simple and convenient to manufacture and high in use strength.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model discloses a brake caliper body, which comprises a first brake caliper body, wherein an oil inlet, a first piston cavity, a first fixing hole and a first oil path channel are formed in the first brake caliper body; the oil inlet is communicated with the first piston cavity, one end of the first oil path channel is communicated with the first piston cavity, and the other end of the first oil path channel is communicated with the first fixing hole; the first fixing hole is a smooth through hole.
The second brake caliper body is connected with the first brake caliper body; the second brake caliper body is provided with an exhaust port, a second piston cavity, a second fixing hole and a second oil path channel; the exhaust port is communicated with the second piston cavity, one end of the second oil path channel is communicated with the second piston cavity, and the other end of the second oil path channel is communicated with the second fixing hole; the second fixing hole is a blind hole with internal threads; a plurality of oil grooves are formed in the second fixing holes, and one end of the second oil path channel is positioned on the oil grooves; the second fixing hole and the first fixing hole are positioned on the same axis.
Further, the oil through groove is provided with more than two.
Further, a chamfer is arranged at the upper end of the second fixing hole.
Further, the first oil path channel and the second oil path channel are obliquely arranged from the connecting channel to two sides respectively and are in an eight-shaped shape and are communicated with the first piston cavity and the second piston cavity respectively.
Further, a gasket groove for placing a sealing ring is formed in the upper end of the second brake caliper body, and the gasket groove is located above the second fixing hole.
Further, a fixing part for fixing on the wheel is arranged on the first brake caliper body and/or the second brake caliper body.
Further, a first through hole for fixing a brake pad is formed in the first brake caliper body; the second brake caliper body is provided with a second through hole matched with the first through hole.
Further, two first piston cavities are arranged and are communicated with each other; the second piston cavities are also arranged in two and are communicated with each other.
Further, after the first brake caliper body is connected with the second brake caliper body, a brake groove for placing a brake pad is formed in the middle of the first brake caliper body.
Further, a plurality of fixing through holes for mutually fixing and connecting are formed in the first brake caliper body and the second brake caliper body.
The utility model has the advantages that:
according to the utility model, the first oil path channel and the second oil path channel are arranged to communicate the first piston cavity with the second piston cavity, and the oil through groove is arranged on the second fixing hole, so that after the fixing bolt is arranged on the fixing hole, the first oil path channel and the second oil path channel can be communicated through the oil through groove, and the fixing bolt can be fixed firmly by using a common half-tooth bolt, the strength of the fixing bolt is high, and the oil path is smooth.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of the first caliper body.
Fig. 3 is a schematic structural view of the second caliper body.
Fig. 4 is a partial enlarged view at B in fig. 3.
Fig. 5 is a schematic cross-sectional view of the present utility model.
Fig. 6 is a view showing a use state of the present utility model for sequential oil feeding.
Fig. 7 is a view showing a state of use of the present utility model for simultaneous oil feeding.
Description of main reference numerals:
1. the brake caliper comprises a first brake caliper body 11, an oil inlet 12, a first piston cavity 13, a first fixing hole 14, a first oil path channel 15 and a first through hole;
2. the second brake caliper body 21, the exhaust port 22, the second piston cavity 23, the second fixing hole 231, the chamfer 232, the oil through groove 24, the second oil path channel 25, the gasket groove 26 and the second through hole;
3. a fixing bolt;
4. a fixing part;
5. a fixing through hole;
6. a brake groove;
Detailed Description
In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the present utility model will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 5, the present utility model discloses a brake caliper body including a first brake caliper body 1 and a second brake caliper body 2, the first brake caliper body 1 being disposed on the second brake caliper body 2.
The first brake caliper body 1 is provided with an oil inlet 11, a first piston cavity 12, a first fixing hole 13 and a first oil path channel 14. The oil inlet 11 is communicated with the first piston cavity 12, one end of the first oil path channel 14 is communicated with the first piston cavity 12, and the other end of the first oil path channel is communicated with the first fixing hole 13. The first fixing hole 13 is a smooth through hole.
Wherein, the second brake caliper body 2 is provided with an exhaust port 21, a second piston chamber 22, a second fixing hole 23 and a second oil path channel 24. The exhaust port 21 communicates with the second piston chamber 22. One end of the second oil passage 24 communicates with the second piston chamber 22, and the other end communicates with the second fixing hole 23. The second fixing hole 23 is a blind hole with internal threads. The second fixing hole 23 is provided at an upper end thereof with a chamfer 231 to facilitate the passage of the fixing bolt 3 through the second fixing hole 23. The second fixing hole 23 is provided with a plurality of oil grooves 232, and the number of the oil grooves 232 is preferably more than two, in this embodiment, two oil grooves are provided. One end of the second oil passage 24 is located on the oil passage groove 232. The second fixing hole 23 is located on the same axis as the first fixing hole 13.
According to the utility model, the first oil path 14 and the second oil path 24 are arranged to communicate the first piston cavity 12 with the second piston cavity 22, and the oil through groove 232 is arranged on the second fixing hole 23, so that after the fixing bolt 3 is arranged on the fixing hole, the first oil path 14 and the second oil path 24 can be communicated through the oil through groove 232, and the fixing bolt 3 can be fixed firmly by using a common half-tooth bolt, the strength of the fixing bolt 3 is high, and the oil path is smooth.
As shown in fig. 6, when the brake caliper drives the pistons in a sequential oil-feeding manner, brake oil enters from the oil inlet 11 of the first brake caliper body 1, drives the first piston provided in the first piston chamber 12 to be pressed inward, and then the brake oil flows into the first fixing hole 13 through the first oil passage 14. Because the fixing bolt 3 adopts the half-tooth bolt, a gap is reserved between the fixing bolt 3 and the first fixing hole 13, brake oil flows into the second oil path channel 24 along the gap and the oil through groove 232 and enters the second piston cavity 22, so that the second piston is driven to extrude inwards. When the brake is released, the brake oil returns along the original path.
The first oil path 14 and the second oil path 24 are disposed obliquely from the connecting path to two sides, respectively, and are in an eight shape, and are respectively communicated with the first piston chamber 12 and the second piston chamber 22. The arrangement of the eight shapes is beneficial to the compactness of the channel arrangement and is convenient for oil inlet and outlet.
In order to realize a mode of simultaneously feeding oil to the brake caliper and to enhance the tightness between the first brake caliper body 1 and the second brake caliper body 2, a gasket groove 25 for placing a sealing ring is arranged at the upper end of the second brake caliper body 2, and the gasket groove 25 is positioned above the second fixing hole 23.
As shown in fig. 7, when the brake caliper drives the piston in a simultaneous oil feeding manner, the fixing bolt 3 is provided with a first oil outlet and a second oil outlet, respectively, and when the fixing bolt 3 is placed on the first fixing hole 13 and the second fixing hole 23, the first oil outlet is communicated with the first oil path 14, and the second oil outlet is communicated with the second oil path 24. A gasket may be provided on the gasket groove 25 between the first fixing hole 13 and the second fixing hole 23 to block communication between the first oil passage 14 and the second oil passage 24.
When the oil pump is used, a groove can be designed on the first oil outlet, so that a gap exists between the first oil outlet and the first fixing hole 13 directly, and the first oil outlet is communicated with the first oil path channel 14. The second oil outlet hole is provided at the bottom of the fixing bolt 3, and the brake oil flows from the bottom of the second fixing hole 23 into the second oil passage 24 along the oil passage groove 232.
Wherein the first brake caliper body 1 and/or the second brake caliper body 2 are/is provided with a fixing portion 4 for fixing to a wheel.
Wherein, the first brake caliper body 1 and the second brake caliper body 2 are provided with a plurality of fixing through holes 5 for mutual fixed connection. After the first brake caliper body 1 is connected with the second brake caliper body 2, a brake groove 6 for placing a brake pad is arranged in the middle. The first brake caliper body 1 is provided with a first through hole 15 for fixing a brake pad; the second caliper body 2 is provided with a second through hole 26 which is fitted with the first through hole 15. When in use, the brake bolts sequentially pass through the first through holes 15, the brake pads and the second through holes 26 to fix the brake pads in the brake slots 6.
Wherein the first piston chamber 12 is provided with two and communicates with each other. The second piston chamber 22 is also provided in two and communicates with each other. The braking force is increased, and the braking effect is enhanced.
In summary, the utility model has the advantages of no need of arranging connecting oil pipes, smooth oil path, simple and convenient manufacture and high use strength.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (10)
1. A brake caliper body, characterized in that: comprising the following steps:
the first brake caliper body is provided with an oil inlet, a first piston cavity, a first fixing hole and a first oil path channel; the oil inlet is communicated with the first piston cavity, one end of the first oil path channel is communicated with the first piston cavity, and the other end of the first oil path channel is communicated with the first fixing hole; the first fixing hole is a smooth through hole;
the second brake caliper body is connected with the first brake caliper body; the second brake caliper body is provided with an exhaust port, a second piston cavity, a second fixing hole and a second oil path channel; the exhaust port is communicated with the second piston cavity, one end of the second oil path channel is communicated with the second piston cavity, and the other end of the second oil path channel is communicated with the second fixing hole; the second fixing hole is a blind hole with internal threads; a plurality of oil grooves are formed in the second fixing holes, and one end of the second oil path channel is positioned on the oil grooves; the second fixing hole and the first fixing hole are positioned on the same axis.
2. Brake caliper body according to claim 1, characterized in that:
the oil through groove is provided with more than two.
3. Brake caliper body according to claim 1, characterized in that:
and a chamfer is arranged at the upper end of the second fixing hole.
4. Brake caliper body according to claim 1, characterized in that:
the first oil path channel and the second oil path channel are obliquely arranged from the connecting channel to two sides respectively and are in an splayed shape and are respectively communicated with the first piston cavity and the second piston cavity.
5. Brake caliper body according to claim 1, characterized in that:
the upper end of the second brake caliper body is provided with a gasket groove for placing a sealing ring, and the gasket groove is positioned above the second fixing hole.
6. Brake caliper body according to claim 1, characterized in that:
the first brake caliper body and/or the second brake caliper body are/is provided with a fixing part for fixing on a wheel.
7. Brake caliper body according to claim 1, characterized in that:
the first brake caliper body is provided with a first through hole for fixing a brake pad; the second brake caliper body is provided with a second through hole matched with the first through hole.
8. Brake caliper body according to claim 1, characterized in that:
the first piston cavities are arranged in two and are communicated with each other; the second piston cavities are also arranged in two and are communicated with each other.
9. Brake caliper body according to claim 1, characterized in that:
and after the first brake caliper body is connected with the second brake caliper body, a brake groove for placing a brake pad is arranged in the middle of the first brake caliper body.
10. Brake caliper body according to claim 1, characterized in that:
the first brake caliper body and the second brake caliper body are provided with a plurality of fixing through holes which are used for being fixedly connected with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321425444.0U CN220151767U (en) | 2023-06-06 | 2023-06-06 | Brake caliper body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321425444.0U CN220151767U (en) | 2023-06-06 | 2023-06-06 | Brake caliper body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220151767U true CN220151767U (en) | 2023-12-08 |
Family
ID=89006162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321425444.0U Active CN220151767U (en) | 2023-06-06 | 2023-06-06 | Brake caliper body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220151767U (en) |
-
2023
- 2023-06-06 CN CN202321425444.0U patent/CN220151767U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |