CN104533991A - Caliper structure for reducing car braking distance - Google Patents
Caliper structure for reducing car braking distance Download PDFInfo
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- CN104533991A CN104533991A CN201410850488.7A CN201410850488A CN104533991A CN 104533991 A CN104533991 A CN 104533991A CN 201410850488 A CN201410850488 A CN 201410850488A CN 104533991 A CN104533991 A CN 104533991A
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- piston
- caliper
- seal ring
- rectangular seal
- type circle
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Abstract
The invention discloses a caliper structure for reducing car braking distance. The caliper structure comprises a caliper body (6) and a piston (1). The piston (1) is slidably arranged in the caliper body (6), the piston (1) makes contact with a friction plate (5) and can drives the friction plate (5) to move to clamp a braking disk (7), the inner wall of the caliper body (6) is provided with a rectangle seal ring (3) making contact with the periphery of the piston (1), and the position, near the rectangle seal ring (3), of the inner wall of the caliper body (6) is provided with a seal ring connected with the piston (1) in a sealing mode. When the piston (1) drives the friction plate (5) to clamp the braking disk (7) and a car to brake, the resilience force generated by the deformation of the seal ring (3) is larger than the sliding friction force between the seal ring and the piston (1). On the occasion that the return volume of the piston (1) is invariable, through reducing the needed liquid volume of a braking caliper, the initial travel of a braking pedal can be reduced, and the braking sensitivity can be improved.
Description
Technical field
The invention belongs to hydraulic pressure of motor vehicle disk type braker technical field, particularly relate to a kind of clamp structure reducing car brakeing distance.
Background technique
In hydraulic pressure of motor vehicle disc brake field, most break uses single rectangular seal.When braking at every turn, piston produces mobile under the effect of hydraulic pressure, and piston can drive rectangular seal generation resiliently deformable simultaneously, when after clamping brake disc, piston stops mobile, and produce braking force, now brake fluid can make up whole piston displacement space and rectangular seal deformation space.After end of braking, rectangular seal drives piston return, and rectangular seal self-deformation recovers simultaneously.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem: because rectangular seal during existing structure brake produces resiliently deformable, need liquid measure to have comparatively significantly to promote to clamp, and need liquid measure conference to affect pedal travel, thus affect stopping distance, so the shortcoming of prior art is under the prerequisite that piston return amount is certain, clamp need liquid measure larger.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of when piston return amount is constant, and reducing brake calipers needs liquid measure to reduce the clamp structure of car brakeing distance.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of clamp structure reducing car brakeing distance, comprise caliper and piston, described piston is slidably mounted in described caliper, and described piston contacts with friction plate and movable friction plate can be with to move thus clamp brake disc; Described caliper inwall is provided with the rectangular seal contacted with piston outer periphery, and described caliper inwall is provided with the seal ring be connected with piston seal near rectangular seal position; When piston driving friction plate clamping brake disc, car brakeing, described rectangular seal generation deformation and the spring-back force that produces are greater than the force of sliding friction between seal ring and piston.
Described seal ring is O type circle.
Described O type circle is positioned at the side of rectangular seal near piston cavity.
Distance between described O type circle and rectangular seal is 1-10mm.
Described O type circle and rectangular seal material are EPDM.
O type circle and be interference fit between piston and caliper inwall.
A technological scheme tool in technique scheme has the following advantages or beneficial effect, adopt the Double seal ring structure of rectangular seal and O type circle, when piston return amount is constant, reducing brake calipers needs liquid measure, brake petal priming stroke can be reduced, improve sensitivity.
Accompanying drawing explanation
The structural representation of the clamp structure of reduction car brakeing distance of Fig. 1 for providing in the embodiment of the present invention;
Fig. 2 is the partial enlarged drawing of the O type circle position of Fig. 1;
Mark in above-mentioned figure is: 1, piston, and 2, O type circle, 3, rectangular seal, 4, brake shoe, 5, friction plate, 6, caliper, 7, brake disc.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
See Fig. 1, a kind of clamp structure reducing car brakeing distance, comprises caliper 6 and piston 1, and piston 1 is slidably mounted in caliper 6, and piston 1 contacts with friction plate 5 and movable friction plate 5 can be with to move thus clamp brake disc 7; Caliper 6 inwall is provided with the rectangular seal 3 contacted with piston 1 periphery, and caliper 6 inwall is provided with the seal ring be tightly connected with piston 1 near rectangular seal 3 position; When piston 1 is with movable friction plate 5 to clamp brake disc 7, car brakeing, the spring-back force that rectangular seal 3 deformation occurs and produces is greater than the force of sliding friction between seal ring and piston 1, driven plunger 1 rollback under the effect of the spring-back force that piston 1 can be produced in rectangular seal 3 deformation.Seal ring is O type circle 2.
An O type circle 2 is added in clamp inside.Rectangular seal 3 plays return effect, and O type circle 2 plays seal action.When car brakeing, piston 1 produces mobile under the effect of hydraulic pressure, piston 1 can drive rectangular seal 3 that resiliently deformable occurs simultaneously, when after clamping brake disc 7, piston 1 stops mobile, produces braking force, isolates owing to there being O type circle 2, now brake fluid only fills up piston 1 displacement space, can not cause need liquid measure to increase because rectangular seal 3 is out of shape.After vehicle brake off, rectangular seal 3 drives piston 1 rollback, overcomes O type circle 2 sliding force simultaneously, and rectangular seal 3 self-deformation recovers.Brake calipers needs liquid measure little, can reduce brake petal priming stroke, and improve sensitivity, pedal travel is little, and stopping distance is short.Measure through overtesting, calculate when generally reaching 0.6g by car load retardation, pedal effective travel about can reduce 10%, reduces brake-pedal travel effect highly significant.
O type circle 2 is positioned at the side of rectangular seal 3 near piston cavity.
As shown in Figure 2, the distance between O type circle 2 and rectangular seal 3 is that the distance between L, O type circle 2 and rectangular seal 3 is shorter, is more conducive to the axial arranged of clamp; But distance is more short is more unfavorable for product self-strength and manufacturing, and through demonstration, distance is arranged on 1-10mm optimum, can balance both demands.
O type circle 2 and rectangular seal 3 material are EPDM.
O type circle 2 and be interference fit between piston 1 and caliper 6 inwall, realizes reliable sealing.
After adopting above-mentioned structure, adopt the Double seal ring structure of rectangular seal 3 and O type circle 2, when piston 1 return amount is constant, reducing brake calipers needs liquid measure, can reduce brake petal priming stroke, improves sensitivity.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technological scheme is carried out; or design of the present invention and technological scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (6)
1. one kind is reduced the clamp structure of car brakeing distance, comprise caliper (6) and piston (1), described piston (1) is slidably mounted in described caliper (6), and described piston (1) contacts with friction plate (5) and movable friction plate (5) can be with to move thus clamp brake disc (7); Described caliper (6) inwall is provided with the rectangular seal (3) contacted with piston (1) periphery, it is characterized in that, described caliper (6) inwall is provided with the seal ring be tightly connected with piston (1) near rectangular seal (3) position; When piston (1) band movable friction plate (5) clamping brake disc (7), car brakeing, the spring-back force that described rectangular seal (3) deformation occurs and produces is greater than the force of sliding friction between seal ring and piston (1).
2. the clamp structure reducing car brakeing distance as claimed in claim 1, it is characterized in that, described seal ring is O type circle (2).
3. the clamp structure reducing car brakeing distance as claimed in claim 2, is characterized in that, described O type circle (2) is positioned at the side of rectangular seal (3) near piston cavity.
4. the clamp structure reducing car brakeing distance as claimed in claim 3, it is characterized in that, the distance between described O type circle (2) and rectangular seal (3) is 1-10mm.
5. the clamp structure reducing car brakeing distance as claimed in claim 4, is characterized in that, described O type circle (2) and rectangular seal (3) material are EPDM.
6. the as claimed in claim 5 clamp structure reducing car brakeing distance, is characterized in that, O type circle (2) and be interference fit between piston (1) and caliper (6) inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850488.7A CN104533991B (en) | 2014-12-31 | 2014-12-31 | It is a kind of to reduce the clamp structure of vehicle braking distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850488.7A CN104533991B (en) | 2014-12-31 | 2014-12-31 | It is a kind of to reduce the clamp structure of vehicle braking distance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104533991A true CN104533991A (en) | 2015-04-22 |
| CN104533991B CN104533991B (en) | 2017-08-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410850488.7A Active CN104533991B (en) | 2014-12-31 | 2014-12-31 | It is a kind of to reduce the clamp structure of vehicle braking distance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104533991B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114096760A (en) * | 2019-07-05 | 2022-02-25 | 株式会社万都 | Clamp type brake |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3804212A (en) * | 1972-07-31 | 1974-04-16 | Tokico Ltd | Vehicle wheel brake unit |
| US3860095A (en) * | 1972-09-01 | 1975-01-14 | Girling Ltd | Vehicle brakes |
| US4163483A (en) * | 1976-03-01 | 1979-08-07 | Toyota Jidosha Kogyo Kabushiki Kaisha | Automatic clearance adjusting mechanism in a brake |
| JPH08312696A (en) * | 1995-05-17 | 1996-11-26 | Sumitomo Electric Ind Ltd | Disc brake |
| KR20050056494A (en) * | 2003-12-10 | 2005-06-16 | 현대자동차주식회사 | Disk brake structure of vehicle |
| US20100018279A1 (en) * | 2004-01-09 | 2010-01-28 | Michael Roupp | Brake Caliper and Method for the Production of a Housing of a Brake Caliper |
| CN101725649A (en) * | 2008-10-21 | 2010-06-09 | 株式会社万都 | Caliper disk brake |
| CN201568482U (en) * | 2009-12-12 | 2010-09-01 | 芜湖伯特利汽车安全系统有限公司 | Novel brake caliper assembly of vehicle electrical parking brake system |
| CN201866139U (en) * | 2010-07-12 | 2011-06-15 | 芜湖伯特利汽车安全系统有限公司 | Brake caliper for brake system of motor vehicle |
| CN202500929U (en) * | 2011-11-14 | 2012-10-24 | 芜湖伯特利汽车安全系统有限公司 | hydraulic braking caliper used for light truck braking system |
| CN103542024A (en) * | 2013-11-11 | 2014-01-29 | 武汉元丰汽车零部件有限公司 | Sealing structure used for ringlike piston of wet brake |
| CN203463528U (en) * | 2013-09-29 | 2014-03-05 | 宁波科达制动器制造有限公司 | Combined structure of brake pump and brake caliper |
| CN203463520U (en) * | 2013-09-29 | 2014-03-05 | 宁波科达制动器制造有限公司 | Brake caliper with split-structure caliper body |
| CN204419925U (en) * | 2014-12-31 | 2015-06-24 | 芜湖伯特利汽车安全系统有限公司 | Reduce the clamp structure of car brakeing distance |
-
2014
- 2014-12-31 CN CN201410850488.7A patent/CN104533991B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3804212A (en) * | 1972-07-31 | 1974-04-16 | Tokico Ltd | Vehicle wheel brake unit |
| US3860095A (en) * | 1972-09-01 | 1975-01-14 | Girling Ltd | Vehicle brakes |
| US4163483A (en) * | 1976-03-01 | 1979-08-07 | Toyota Jidosha Kogyo Kabushiki Kaisha | Automatic clearance adjusting mechanism in a brake |
| JPH08312696A (en) * | 1995-05-17 | 1996-11-26 | Sumitomo Electric Ind Ltd | Disc brake |
| KR20050056494A (en) * | 2003-12-10 | 2005-06-16 | 현대자동차주식회사 | Disk brake structure of vehicle |
| US20100018279A1 (en) * | 2004-01-09 | 2010-01-28 | Michael Roupp | Brake Caliper and Method for the Production of a Housing of a Brake Caliper |
| CN101725649A (en) * | 2008-10-21 | 2010-06-09 | 株式会社万都 | Caliper disk brake |
| CN201568482U (en) * | 2009-12-12 | 2010-09-01 | 芜湖伯特利汽车安全系统有限公司 | Novel brake caliper assembly of vehicle electrical parking brake system |
| CN201866139U (en) * | 2010-07-12 | 2011-06-15 | 芜湖伯特利汽车安全系统有限公司 | Brake caliper for brake system of motor vehicle |
| CN202500929U (en) * | 2011-11-14 | 2012-10-24 | 芜湖伯特利汽车安全系统有限公司 | hydraulic braking caliper used for light truck braking system |
| CN203463528U (en) * | 2013-09-29 | 2014-03-05 | 宁波科达制动器制造有限公司 | Combined structure of brake pump and brake caliper |
| CN203463520U (en) * | 2013-09-29 | 2014-03-05 | 宁波科达制动器制造有限公司 | Brake caliper with split-structure caliper body |
| CN103542024A (en) * | 2013-11-11 | 2014-01-29 | 武汉元丰汽车零部件有限公司 | Sealing structure used for ringlike piston of wet brake |
| CN204419925U (en) * | 2014-12-31 | 2015-06-24 | 芜湖伯特利汽车安全系统有限公司 | Reduce the clamp structure of car brakeing distance |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114096760A (en) * | 2019-07-05 | 2022-02-25 | 株式会社万都 | Clamp type brake |
| CN114096760B (en) * | 2019-07-05 | 2024-04-19 | 汉拿万都株式会社 | Caliper brake |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104533991B (en) | 2017-08-25 |
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Address after: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 19 Taishan Road Applicant after: WUHU BOTELI AUTOMOBILE SAFETY SYSTEM CO., LTD. Address before: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 19 Taishan Road Applicant before: Wuhu Bethel Automotive Secure Systems Ltd. |
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| GR01 | Patent grant |