CN215521745U - Brake caliper with low liquid demand - Google Patents
Brake caliper with low liquid demand Download PDFInfo
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- CN215521745U CN215521745U CN202121398749.8U CN202121398749U CN215521745U CN 215521745 U CN215521745 U CN 215521745U CN 202121398749 U CN202121398749 U CN 202121398749U CN 215521745 U CN215521745 U CN 215521745U
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- brake caliper
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Abstract
The utility model relates to a low-liquid-demand brake caliper which comprises a caliper body, a friction block and a piston, wherein the friction block and the piston are both arranged on one side of the caliper body, the friction block is arranged on one side of the piston, the caliper body is provided with a sealing groove in the piston, a rectangular sealing ring is arranged in the sealing groove, the rectangular sealing ring is abutted against the piston, and two ends of one side of the sealing groove, which faces the piston, are both provided with outer chamfers. The utility model can contact the chamfer angle of the sealing groove with the extrusion force applied to the sealing ring along with the continuous increase of the brake hydraulic pressure until the chamfer angle gap of the sealing groove is completely eliminated, has better brake effect, reduces the idle stroke of the pedal and avoids the effect that the pedal of a driver feels too soft.
Description
Technical Field
The utility model relates to the technical field of automobile part equipment, in particular to a brake caliper with low liquid demand.
Background
The disc brake has the advantages of fast heat dissipation and simple structure, and is widely applied to cars at present. The liquid demand of a caliper in a disc brake is a very important parameter influencing the performance of the caliper, and the quantity of the liquid demand is directly related to the braking effect.
If the required fluid amount is too large, the braking is delayed, the pedal feel of the driver is too soft, and the pedal idle stroke is increased, so that the braking effect and the pedal feel of the driver are improved by appropriately reducing the required fluid amount.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a brake caliper with low liquid demand.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a low liquid demand volume braking calliper, includes calliper body, clutch block and piston are all installed one side of calliper body, the clutch block is installed one side of piston, the calliper body is in the seal groove has been seted up to the inside of piston, the inside of seal groove is provided with the rectangle sealing washer, the rectangle sealing washer with piston looks butt, the seal groove orientation outer chamfer has all been seted up at the both ends of one side of piston.
By adopting the technical scheme, the rectangular sealing ring can generate a deformation process in two stages under the action of braking hydraulic pressure. In the first stage, the piston moves forwards, the rectangular sealing ring and the piston generate friction force to prevent the piston from moving forwards, and the rectangular sealing ring is not in contact with the chamfer angle of the rectangular groove; in the second stage, along with the continuous increase of brake hydraulic pressure, the sealing ring is contacted with the chamfer of the sealing groove by the extrusion force until the chamfer gap of the sealing groove is completely eliminated, the brake effect is better, the idle stroke of the pedal is reduced, and the pedal of a driver is prevented from feeling too soft.
The present invention in a preferred example may be further configured to: and the outer chamfer at one side of the sealing groove close to the friction block is provided with a secondary chamfer.
Through adopting above-mentioned technical scheme, the secondary chamfer can further reduce the clearance between the chamfer to reduce the deformation space of rectangle sealing washer, the required liquid measure of calliper also further improves, and the idle stroke when driver steps on the footboard also reduces thereupon, has further improved the soft problem of foot feel.
The present invention in a preferred example may be further configured to: the friction block comprises a first clamping part and a second clamping part which are symmetrically arranged, a gap is formed between the first clamping part and the second clamping part, and one side, far away from the second clamping part, of the first clamping part is connected with the piston.
Through adopting above-mentioned technical scheme, the installation of the brake disc of being convenient for in the gap between first clamping part and the second clamping part utilizes first clamping part and second clamping part to carry out the centre gripping moreover, and stability is higher, can provide good frictional force moreover.
The present invention in a preferred example may be further configured to: and a friction plate is arranged on one side of the first clamping part opposite to the second clamping part.
Through adopting above-mentioned technical scheme, the friction disc can carry out friction braking to the brake disc that is located between first clamping part and the second clamping part.
The present invention in a preferred example may be further configured to: the caliper body is provided with a liquid injection cavity at one side of the piston far away from the friction block.
Through adopting above-mentioned technical scheme, annotate the inside brake fluid in liquid chamber and can enter into the inside promotion piston in piston chamber and remove to the convenience is braked the wheel.
The present invention in a preferred example may be further configured to: the outside of one side of piston orientation the clutch blocks is provided with dustproof spare, the dustproof spare is kept away from the one end of piston with calliper body is connected.
Through adopting above-mentioned technical scheme, the dust keeper can seal the clearance between piston and the calliper body, avoids in the use, and the outside dust enters into the inside of piston, influences the braking effect of equipment.
In summary, the utility model includes at least one of the following beneficial technical effects:
1. the technical scheme that the outer chamfers are arranged on the two sides of the sealing groove is adopted, so that the sealing ring can be contacted with the chamfers of the sealing groove under the action of extrusion force along with the continuous increase of brake hydraulic pressure until the chamfer clearance of the sealing groove is completely eliminated, the braking effect is better, the idle stroke of the pedal is reduced, and the pedal of a driver is prevented from feeling too soft;
2. the technical scheme of the sealing groove with the secondary chamfer angle is adopted, so that the gap between the chamfer angles can be further reduced, the deformation space of the rectangular sealing ring is reduced, the liquid amount required by the caliper is further improved, the idle stroke when a driver steps on the pedal is reduced, and the effect of further improving the problem of over-soft foot feel is achieved;
3. the technical scheme of the friction block formed by the first clamping part and the second clamping part is adopted, so that the stability of clamping of the equipment can be improved.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic overall structure diagram of the first embodiment.
Fig. 2 is a schematic structural view of a sealing groove according to the first embodiment.
Fig. 3 is a schematic structural view of the second embodiment after the sealing groove is filled.
The reference numbers in the drawings are:
1. a caliper body; 2. a friction block; 21. a first clamping portion; 22. a second clamping portion; 3. a piston; 4. a sealing groove; 5. a rectangular sealing ring; 6. chamfering the outer part; 7. chamfering for the second time; 8. a liquid injection cavity; 9. a dust-proof member.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1 and 2, the low liquid demand brake caliper disclosed by the utility model comprises a caliper body 1, a friction block 2 and a piston 3, wherein the friction block 2 and the piston 3 are both installed on one side of the caliper body 1, the friction block 2 is installed on one side of the piston 3, the caliper body 1 is provided with a sealing groove 4 in the piston 3, a rectangular sealing ring 5 is arranged in the sealing groove 4, the rectangular sealing ring 5 is abutted to the piston 3, and two ends of one side of the sealing groove 4 facing the piston 3 are both provided with outer chamfers 6.
In the braking process, the brake fluid pushes the piston 3 to move forwards, gaps among the piston 3, the friction block 2 and the brake disc are eliminated, the rectangular sealing ring 5 deforms along with continuous enhancement of brake fluid pressure, the chamfer gap between the rectangular sealing ring and the caliper body is eliminated, the deformation space of the rectangular sealing ring 5 is reduced, the sealing performance of the equipment can be improved, and the sealing efficiency of the equipment is guaranteed.
The friction block 2 comprises a first clamping portion 21 and a second clamping portion which are symmetrically arranged, a gap is formed between the first clamping portion 21 and the second clamping portion, one side 22, far away from the second clamping portion, of the first clamping portion 21 is connected with the piston 3, a friction plate is arranged on one side, opposite to the first clamping portion 21 and the second clamping portion, under the pushing of the piston 3, the first clamping portion 21 moves towards the second clamping portion, and parking braking is formed under the matching of the friction plate.
The liquid chamber 8 has been seted up to calliper body 1 in piston 3 one side of keeping away from clutch blocks 2, and piston 3 is provided with dustproof 9 towards the outside of one side of clutch blocks 2, and the one end that piston 3 was kept away from to dustproof 9 is connected with calliper body 1, annotates the storage and the use of liquid chamber 8 convenience brake fluid, and dustproof 9 can avoid external dust to enter into the inside of equipment, influences the braking effect of equipment.
Example two:
referring to fig. 3, the present embodiment is different from the first embodiment in that: an outer chamfer 6 at one side of the sealing groove 4 close to the friction block 2 is provided with a secondary chamfer 7.
An outer chamfer 6 is added to seal groove 4. When a driver steps on a brake pedal, the hydraulic pressure in the cavity of the piston 3 is increased, the piston 3 is pushed to move forwards, the deformation space of the rectangular sealing ring 5 in the sealing groove 4 is further reduced, the chamfer gap required to be overcome is reduced, and the liquid amount required is further reduced.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a low liquid demand volume brake caliper, includes calliper body (1), clutch blocks (2) and piston (3), its characterized in that: friction block (2) and piston (3) are all installed one side of calliper body (1), friction block (2) are installed one side of piston (3), calliper body (1) seal groove (4) have been seted up to the inside of piston (3), the inside of seal groove (4) is provided with rectangular seal circle (5), rectangular seal circle (5) with piston (3) looks butt, seal groove (4) orientation outer chamfer (6) have all been seted up at the both ends of one side of piston (3).
2. A low fluid demand brake caliper according to claim 1 wherein: and the outer chamfer (6) at one side of the sealing groove (4) close to the friction block (2) is provided with a secondary chamfer (7).
3. A low fluid demand brake caliper according to claim 1 wherein: the friction block (2) comprises a first clamping part (21) and a second clamping part which are symmetrically arranged, a gap is formed between the first clamping part (21) and the second clamping part, and one side (22) of the first clamping part (21) far away from the second clamping part is connected with the piston (3).
4. A low fluid demand brake caliper according to claim 3 wherein: and a friction plate is arranged on one side of the first clamping part (21) opposite to the second clamping part.
5. A low fluid demand brake caliper according to claim 1 wherein: and a liquid injection cavity (8) is formed in one side, away from the friction block (2), of the piston (3) of the caliper body (1).
6. A low fluid demand brake caliper according to claim 1 wherein: the outside of one side of piston (3) orientation friction block (2) is provided with dustproof spare (9), the one end that dustproof spare (9) kept away from piston (3) with calliper body (1) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121398749.8U CN215521745U (en) | 2021-06-23 | 2021-06-23 | Brake caliper with low liquid demand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121398749.8U CN215521745U (en) | 2021-06-23 | 2021-06-23 | Brake caliper with low liquid demand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215521745U true CN215521745U (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121398749.8U Active CN215521745U (en) | 2021-06-23 | 2021-06-23 | Brake caliper with low liquid demand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215521745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776732A (en) * | 2022-04-22 | 2022-07-22 | 安徽江淮汽车集团股份有限公司 | Low-drag braking system device and control method thereof |
-
2021
- 2021-06-23 CN CN202121398749.8U patent/CN215521745U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776732A (en) * | 2022-04-22 | 2022-07-22 | 安徽江淮汽车集团股份有限公司 | Low-drag braking system device and control method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213000 No. 368, Longjin Road, Xinbei District, Changzhou City, Jiangsu Province Patentee after: Kuntai vehicle system (Changzhou) Co.,Ltd. Address before: 213000 No. 368, Longjin Road, Xinbei District, Changzhou City, Jiangsu Province Patentee before: KUNTYE VEHICLE SYSTEM (CHANGZHOU) Co.,Ltd. |