CN2794949Y - Braking wheel cylinder assembly with ratio valve - Google Patents
Braking wheel cylinder assembly with ratio valve Download PDFInfo
- Publication number
- CN2794949Y CN2794949Y CN 200520101536 CN200520101536U CN2794949Y CN 2794949 Y CN2794949 Y CN 2794949Y CN 200520101536 CN200520101536 CN 200520101536 CN 200520101536 U CN200520101536 U CN 200520101536U CN 2794949 Y CN2794949 Y CN 2794949Y
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- Prior art keywords
- valve
- apportioning
- valve body
- chamber
- valve rod
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- Expired - Fee Related
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Abstract
The utility model relates to a brake wheel cylinder assembly with a proportional valve, which comprises a cylinder body, the proportional valve and an auxiliary piston that are arranged in the cylinder body, wherein the proportional valve is composed of a valve body and a valve rod. One end of the valve rod is communicated with a chamber formed by the valve body, and a hydraulic chamber between the auxiliary and the proportional valve, and the other end of the valve rod is sheathed with a spring and, together with the valve body, forms a chamber which is communicated with the hydraulic chamber between the auxiliary and the proportional valve. One end of the spring is butted on a shaft table of the valve rod, and the other end is butted on a clip ring which is in axial slide connection with the valve rod. The utility model has the advantages of reasonable structure, good sealing performance, reasonable braking hydraulic pressure distribution, good braking stability, capability of increasing the performance of a complete vehicle, etc., and solves the problems that the existing brake wheel cylinder assembly with a proportional valve in the prior art has complicated structural states, poor sealing performance, unreasonable braking hydraulic pressure distribution, incapability of meeting the performance of stable braking, etc.
Description
Technical field
The utility model relates to the hydraulic-driven drg that a kind of automobile is used, particularly a kind of band apportioning valve brake wheel cylinder assembly.
Technical background
Existing band apportioning valve brake wheel cylinder assembly as shown in Figure 4, how to form by cylinder body and the main piston and the auxiliary piston that are located in the cylinder body, valve body piston 19 is set in the main piston, one end and the valve body spring 18 of valve body piston 19 offset, its other end and piston spring 20 offset, piston spring 20 other ends and steel ball 21 offset, and 21 of steel balls are against the end that plug screw 23 passes obstruction 22.
The band apportioning valve brake wheel cylinder assembly structure state complex of said structure, poor sealing performance, the brake fluid pressure pressure distribution is unreasonable, can not satisfy the insensitivity energy.
Summary of the invention
It is a kind of rational in infrastructure that the purpose of this utility model is to provide, sealing property is better, the brake fluid pressure pressure distribution is reasonable, insensitivity is good, can improve the band apportioning valve brake wheel cylinder assembly of vehicle performance, solve the band apportioning valve brake wheel cylinder assembly structure state complex that prior art exists, poor sealing performance, the brake fluid pressure pressure distribution is unreasonable, can not satisfy problems such as insensitivity energy.
Above-mentioned technical purpose of the present utility model mainly solves by the following technical programs: comprise cylinder body, be located at apportioning valve and auxiliary piston in the cylinder body, described apportioning valve is made of valve body and valve rod, chamber that described valve rod one end and valve body constitute and the hydraulic pressure chamber between auxiliary piston and apportioning valve connect, its other end be arranged with spring and and valve body constitute hydraulic pressure chamber perforation between chamber and apportioning valve and cylinder body, described spring one end is against on the pillow block of valve rod, and the other end is against on the trip ring that is in axial sliding connection with valve rod.The utility model has been simplified the structure of band apportioning valve brake wheel cylinder assembly, adopts the mobile modulated pressure of valve rod in valve body, has improved sealing property, makes that the brake fluid pressure pressure distribution is more reasonable, has improved the good and vehicle performance of insensitivity simultaneously.Adopt structure of the present utility model to make that the brake wheel cylinder assembling is more simple, operate more flexible.
As preferably, the sheathed spring terminal of described valve rod is provided with guide pin bushing, is provided with inner seal ring between described guide pin bushing and valve rod, is provided with exterior seal ring between described valve body and guide pin bushing.
As preferably, described auxiliary piston is provided with axial notch towards a side of apportioning valve, and described valve body is provided with corresponding plush copper towards a side of auxiliary piston, and described plush copper places in the described groove.
As preferably, be provided with leather cup between two chambers that described valve rod and valve body constitute, described leather cup is set on the described valve rod.
As preferably, the chamber that described valve rod one end and valve body constitute and the hydraulic pressure chamber between auxiliary piston and apportioning valve are by being located at the front end through hole perforation of valve body one side; Chamber and the hydraulic pressure chamber between apportioning valve and cylinder body that its other end cover and valve body constitute connect by the rear end through hole that is located at valve body one side.
Therefore, the utlity model has rational in infrastructurely, sealing property is better, and the brake fluid pressure pressure distribution is reasonable, and insensitivity is good, can improve characteristics such as vehicle performance.The utility model has been simplified the structure of band apportioning valve brake wheel cylinder assembly, adopts the mobile modulated pressure of valve rod in valve body, has improved sealing property, makes that the brake fluid pressure pressure distribution is more reasonable, has improved the good and vehicle performance of insensitivity simultaneously.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model;
Accompanying drawing 2 is A-A views of accompanying drawing 1;
Accompanying drawing 3 is C-C revolved views of accompanying drawing 2;
Accompanying drawing 4 is structural representations of band apportioning valve brake wheel cylinder assembly in the prior art.
Specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: as Fig. 1, Fig. 2 and shown in Figure 3, be provided with apportioning valve and auxiliary piston 17 in the cylinder body 6, cylinder body 6 two ends are respectively equipped with dust boot 1 and dust boot 7, apportioning valve is made of valve body 5 and valve rod 4, chamber and the hydraulic pressure chamber between auxiliary piston and apportioning valve that valve rod 4 one ends and valve body 5 constitute connect, its other end be arranged with spring 12 and and valve body 5 hydraulic pressure chamber that constitutes 6 of chambers and apportioning valve and cylinder bodies connect, be provided with leather cup 15 between two chambers of valve rod and valve body formation, leather cup 15 is set on the valve rod 4.Spring one end is against on the pillow block 14 of valve rod, and the other end is against on the trip ring 11 that is in axial sliding connection with valve rod.Valve rod 4 sheathed spring terminals are provided with guide pin bushing 8, and 4 of guide pin bushing 8 and valve rods are provided with inner seal ring 9, and 8 of valve body and guide pin bushings are provided with exterior seal ring 10.Auxiliary piston 17 is provided with axial notch 2 towards a side of apportioning valve, and valve body 5 is provided with corresponding plush copper 3 towards a side of auxiliary piston 17, and plush copper 3 places in the groove 2.Chamber that valve rod 4 one ends and valve body 5 constitute and the hydraulic pressure chamber between auxiliary piston and apportioning valve connect by the front end through hole 16 that is located at valve body one side; The hydraulic pressure chamber that chamber that its other end cover and valve body 5 constitute and apportioning valve and cylinder body are 6 connects by the rear end through hole 13 that is located at valve body one side.
Claims (9)
1, a kind of band apportioning valve brake wheel cylinder assembly, comprise cylinder body (6), be located at apportioning valve and auxiliary piston (17) in the cylinder body (6), it is characterized in that described apportioning valve is made of valve body (5) and valve rod (4), chamber that described valve rod (4) one ends and valve body (5) constitute and the hydraulic pressure chamber between auxiliary piston and apportioning valve connect, its other end be arranged with spring (12) and and valve body (5) constitute hydraulic pressure chamber perforation between chamber and apportioning valve and cylinder body (6), described spring one end is against on the pillow block (14) of valve rod, and the other end is against on the trip ring (11) that is in axial sliding connection with valve rod.
2, band apportioning valve brake wheel cylinder assembly according to claim 1, it is characterized in that the sheathed spring terminal of described valve rod (4) is provided with guide pin bushing (8), be provided with inner seal ring (9) between described guide pin bushing (8) and valve rod (4), be provided with exterior seal ring (10) between described valve body and guide pin bushing (8).
3, band apportioning valve brake wheel cylinder assembly according to claim 1 and 2, it is characterized in that described auxiliary piston (17) is provided with axial notch (2) towards a side of apportioning valve, described valve body (5) is provided with corresponding plush copper (3) towards a side of auxiliary piston (17), and described plush copper (3) places in the described groove (2).
4, band apportioning valve brake wheel cylinder assembly according to claim 1 and 2 is characterized in that being provided with leather cup (15) between two chambers that described valve rod and valve body constitute, and described leather cup (15) is set on the described valve rod (4).
5, band apportioning valve brake wheel cylinder assembly according to claim 3 is characterized in that being provided with leather cup (15) between two chambers that described valve rod and valve body constitute, and described leather cup (15) is set on the described valve rod (4).
6, band apportioning valve brake wheel cylinder assembly according to claim 1 and 2 is characterized in that chamber and the hydraulic pressure chamber between auxiliary piston and apportioning valve that described valve rod (4) one ends and valve body (5) constitute connect by the front end through hole (16) that is located at valve body one side; Chamber and the hydraulic pressure chamber between apportioning valve and cylinder body (6) that its other end cover and valve body (5) constitute connect by the rear end through hole (13) that is located at valve body one side.
7, band apportioning valve brake wheel cylinder assembly according to claim 3 is characterized in that chamber and the hydraulic pressure chamber between auxiliary piston and apportioning valve that described valve rod (4) one ends and valve body (5) constitute connect by the front end through hole (16) that is located at valve body one side; Chamber and the hydraulic pressure chamber between apportioning valve and cylinder body (6) that its other end cover and valve body (5) constitute connect by the rear end through hole (13) that is located at valve body one side.
8, band apportioning valve brake wheel cylinder assembly according to claim 4 is characterized in that chamber and the hydraulic pressure chamber between auxiliary piston and apportioning valve that described valve rod (4) one ends and valve body (5) constitute connect by the front end through hole (16) that is located at valve body one side; Chamber and the hydraulic pressure chamber between apportioning valve and cylinder body (6) that its other end cover and valve body (5) constitute connect by the rear end through hole (13) that is located at valve body one side.
9, band apportioning valve brake wheel cylinder assembly according to claim 5 is characterized in that chamber and the hydraulic pressure chamber between auxiliary piston and apportioning valve that described valve rod (4) one ends and valve body (5) constitute connect by the front end through hole (16) that is located at valve body one side; Chamber and the hydraulic pressure chamber between apportioning valve and cylinder body (6) that its other end cover and valve body (5) constitute connect by the rear end through hole (13) that is located at valve body one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520101536 CN2794949Y (en) | 2005-04-11 | 2005-04-11 | Braking wheel cylinder assembly with ratio valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520101536 CN2794949Y (en) | 2005-04-11 | 2005-04-11 | Braking wheel cylinder assembly with ratio valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2794949Y true CN2794949Y (en) | 2006-07-12 |
Family
ID=36812710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520101536 Expired - Fee Related CN2794949Y (en) | 2005-04-11 | 2005-04-11 | Braking wheel cylinder assembly with ratio valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2794949Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102442293A (en) * | 2011-11-03 | 2012-05-09 | 芜湖众发汽车制动***有限公司 | Brake cylinder with internal proportional valve |
| CN102501848A (en) * | 2011-11-03 | 2012-06-20 | 芜湖众发汽车制动***有限公司 | Rear braking cylinder internally provided with proportional valve |
| CN104203669A (en) * | 2012-03-30 | 2014-12-10 | 本田技研工业株式会社 | Braking device |
| CN109720785A (en) * | 2018-01-31 | 2019-05-07 | 成都力鑫科技有限公司 | The emergency braking mechanism of auto production line suspension conveying equipment |
| CN112888872A (en) * | 2018-09-28 | 2021-06-01 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Improved flexible dust cover for automobile brake cylinder |
-
2005
- 2005-04-11 CN CN 200520101536 patent/CN2794949Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102442293A (en) * | 2011-11-03 | 2012-05-09 | 芜湖众发汽车制动***有限公司 | Brake cylinder with internal proportional valve |
| CN102501848A (en) * | 2011-11-03 | 2012-06-20 | 芜湖众发汽车制动***有限公司 | Rear braking cylinder internally provided with proportional valve |
| CN104203669A (en) * | 2012-03-30 | 2014-12-10 | 本田技研工业株式会社 | Braking device |
| US9327697B2 (en) | 2012-03-30 | 2016-05-03 | Honda Motor Co., Ltd. | Braking device |
| CN104203669B (en) * | 2012-03-30 | 2017-06-09 | 本田技研工业株式会社 | Brake apparatus |
| CN109720785A (en) * | 2018-01-31 | 2019-05-07 | 成都力鑫科技有限公司 | The emergency braking mechanism of auto production line suspension conveying equipment |
| CN112888872A (en) * | 2018-09-28 | 2021-06-01 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Improved flexible dust cover for automobile brake cylinder |
| CN112888872B (en) * | 2018-09-28 | 2023-08-18 | 大陆汽车科技有限公司 | Improved flexible dust cover for automotive brake cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG WANXIANG SYSTEMS LTD. Free format text: FORMER OWNER: WANXIANGQIANCHAO CO. LTD. Effective date: 20080801 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080801 Address after: Building two, Xiaoshan economic and Technological Development Zone, Zhejiang, Hangzhou Province, China: 311215 Patentee after: Wanxiang Group Corporation Address before: Zhejiang City, Hangzhou province Xiaoshan town Wai Wanxiang Group Technology Center, postcode: 311215 Patentee before: Wangxiang Qianchao Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060712 Termination date: 20140411 |