CN200939878Y - Automobile braking general pump assembly - Google Patents
Automobile braking general pump assembly Download PDFInfo
- Publication number
- CN200939878Y CN200939878Y CN 200620106847 CN200620106847U CN200939878Y CN 200939878 Y CN200939878 Y CN 200939878Y CN 200620106847 CN200620106847 CN 200620106847 CN 200620106847 U CN200620106847 U CN 200620106847U CN 200939878 Y CN200939878 Y CN 200939878Y
- Authority
- CN
- China
- Prior art keywords
- piston
- cylinder body
- bowl
- primary
- leather cup
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000010985 leather Substances 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims description 5
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
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- Transmission Of Braking Force In Braking Systems (AREA)
Abstract
The utility model discloses an automobile master braking cylinder assembly comprising a cylinder body, a first piston assembly and a second piston assembly. The first piston assembly is composed of a first piston, a first primary cup and a first secondary cup, a rear side cover, a rear locating seat and a first leather cup cushion. The first piston is positioned in the cylinder hole of the cylinder. The rear side cover, the first secondary cup, the rear locating seat and the first primary are successively covered on the piston from the left to the right. Between the first primary cup and the cylinder body, a first primary cup cushion is provided.) The first primary cup cushion is positioned in a groove at one side. The utility model fixes the primary and secondary cups in the cylinder body with the locating seat. When a brake is applied, the piston is moved, the primary and the secondary cups are stationary without surmounting a compensating hole, resolving a problem that the primary cup is easy to be impacted, greatly prolonging the life-span of the leather cup and enhancing the traffic safe performance. The front piston is equipped with such a spring retainer structure as that of the rear piston, the reset spring is caused not to swing right and left and prevented from being curved.
Description
[technical field]
The utility model relates to the automobile brake field, relates in particular to the total pump assembly of automobile brake.
[background technology]
Hydraulic braking master cylinder adopts braking liquid as working medium, utilizes the incompressibility of liquid to produce braking and drive force, makes the brake component action, reaches the purpose of automobile brake.General master brake cylinder is divided into two kinds of central valve structure and non-central valve arrangements.
All have compensation orifice on the master cylinder of non-central valve arrangement.Leather cup is nested on the piston, also motion together of leather cup during piston motion, and like this, the leather cup of at every turn working all needs to cross compensation orifice.Thickness in the middle of the leather cup is thicker, but the thinner thickness at edge, tapered shape, so, to cause through regular meeting when leather cup is crossed compensation orifice and knock against hard, service life is short, brings great potential safety hazard to driving.
In addition, what the secondary piston spring often suspended is placed on the secondary piston, and at work, because problems such as right alignmenies, easily spring produces bending.
So the automobile brake master cylinder assembly structure that how to provide a kind of leather cup to be difficult for knocking against hard becomes the important topic of those skilled in the art's research.
[summary of the invention]
Exactly the purpose of this utility model solves the problems of the prior art, total propose a kind of automobile brake pump assembly, leather cup is difficult for knocking against hard, and long service life reduces traffic safety hidden danger.
For achieving the above object, the utility model proposes the total pump assembly of a kind of automobile brake, comprise cylinder body, the first piston assembly and second piston assembly, described first piston assembly comprises first piston, the first main bowl and the first secondary bowl, the first piston assembly also comprises rear side housing, the back positioning seat and the first leather cup seat cushion, first piston is arranged in the cylinder hole of cylinder body, rear side housing, the first secondary bowl, the back positioning seat and the first main bowl from left to right are enclosed within on the first piston successively, be provided with the first leather cup seat cushion between the first main bowl and the cylinder body, an end of the described first leather cup seat cushion is arranged in the groove of the first main bowl.
As preferably, also comprise an O RunddichtringO, a described O RunddichtringO is arranged in the groove of rear side housing, makes between an O RunddichtringO and the cylinder body to seal.
As preferably, described second piston assembly comprises second piston, the second secondary bowl, prelocalization seat, the second main bowl, second leather cup seat cushion and the front end cover, described second piston is arranged in the cylinder hole of cylinder body, the second secondary bowl, prelocalization seat and the second main bowl from left to right are enclosed within on second piston successively, front end cover is arranged in the right part, cylinder hole of cylinder body, be provided with the second leather cup seat cushion between the front end cover and the second main bowl, an end of the described second leather cup seat cushion is arranged in the groove of the second secondary bowl.
As preferably, also comprise the 2nd O RunddichtringO, described the 2nd O RunddichtringO is arranged in the groove of front end cover, makes between the 2nd O RunddichtringO and the cylinder body to seal.
As preferably, be provided with second pull back spring and the second spring limit base between the front end cover and second piston, the described second spring limit base, one end is close to front end cover, and the other end is fixed on second piston, and second pull back spring is fixed on the second spring limit base.
As preferably, also comprise screw, the described second spring limit base by screw retention on second piston.
The beneficial effects of the utility model: the utility model will lead bowl by positioning seat and secondary bowl is fixedly installed in the cylinder body, implement glancing impact, piston motion, main bowl and secondary bowl all maintain static, do not need to cross compensation orifice, solve the problem that leather cup is knocked against hard easily, prolonged the service life of leather cup greatly, improved the traffic safety performance.Secondary piston adopts the spring limit base structure the same with primary piston, and pull back spring can not swung, and has avoided the spring bending.
Feature of the present utility model and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
[description of drawings]
Fig. 1 is the structural representation of the total pump assembly of a kind of automobile brake of the utility model.
[specific embodiment]
Fig. 1 is the structural representation of the total pump assembly of a kind of automobile brake of the utility model; Comprise cylinder body 2, first piston assembly and second piston assembly, described first piston assembly comprises first piston 1, first main the bowl 6 and first secondary bowl 21, the first piston assembly also comprises rear side housing 3, back positioning seat 5 and the first leather cup seat cushion 7, first piston 1 is arranged in the cylinder hole of cylinder body 2, rear side housing 3, the first secondary bowl 21, back positioning seat 5 and the first main bowl 6 from left to right are enclosed within on the first piston 1 successively, be provided with the first leather cup seat cushion 7 between the first main bowl 6 and the cylinder body 2, an end of the described first leather cup seat cushion 7 is arranged in the groove of the first main bowl 6.Also comprise an O RunddichtringO 4, a described O RunddichtringO 4 is arranged in the groove of rear side housing 3, makes sealing between an O RunddichtringO 4 and the cylinder body 2.
Described second piston assembly comprises second piston, 11, the second secondary bowl 10, prelocalization seat 12, second main bowl 17, second leather cup seat cushion 16 and the front end cover 15, described second piston 11 is arranged in the cylinder hole of cylinder body 2, the second secondary bowl 10, prelocalization seat 12 and the second main bowl 17 from left to right are enclosed within on second piston 11 successively, front end cover 15 is arranged in the right part, cylinder hole of cylinder body 2, be provided with the second leather cup seat cushion 16 between the front end cover 15 and the second main bowl 17, an end of the described second leather cup seat cushion 16 is arranged in the groove of the second secondary bowl 10.Also comprise the 2nd O RunddichtringO 18, described the 2nd O RunddichtringO 18 is arranged in the groove of front end cover 15, makes sealing between the 2nd O RunddichtringO 18 and the cylinder body 2.
Be provided with second pull back spring 20 and the second spring limit base 14 between the front end cover 15 and second piston 11, the described second spring limit base, 14 1 ends are close to front end cover 15, the other end is fixed on second piston 11, and second pull back spring 20 is fixed on the second spring limit base 14.Also comprise screw 13, the described second spring limit base 14 is fixed on second piston 11 by screw 13.Be provided with first pull back spring 8 and the first spring limit base 9 between the first piston 1 and second piston 11, the described first spring limit base, 9 one ends are close to second piston 11, the other end is fixed on the first piston 1, and first pull back spring 8 is fixed on the first spring limit base 9.Mouthful place of advancing to have at cylinder body 2 tops is provided with into right mouth sealing ring 19.
During off working state, the braking liquid in the oil can enters in the cylinder body by the oil inlet on the cylinder body 2, and this moment, fluid was full of the chamber, front and back by the oil-feed aperture on the first piston 1.When starting working, braking force is surveyed input from a left side, promote first piston 1, simultaneously, first piston 1 passes to second piston 11 to power, and when first piston 1 and second piston, 11 setting in motions, the oil-feed aperture is crossed first main the bowl 6 and second main bowl 17 gradually, after crossing fully, the front and back end of the first piston 1 and second piston 11 is all isolated.At this moment, produce brake-pressure in the chamber, along with constantly moving of the first piston 1 and second piston 11, pressure constantly increases, and reaches the required braking force of automobile brake at last, and action stops.When brake off, the first piston 1 and second piston 11 under the effect of first pull back spring 8 and second pull back spring 20, return rapidly respectively, and the oil-feed aperture is opened, and unnecessary fluid flows back to lubricating cup.
The foregoing description is to explanation of the present utility model, is not to qualification of the present utility model, and any structure after simple transformation on the utility model basis all belongs to protection domain of the present utility model.
Claims (6)
1. total pump assembly of automobile brake, comprise cylinder body (2), the first piston assembly and second piston assembly, described first piston assembly comprises first piston (1), the first main bowl (6) and the first secondary bowl (21), it is characterized in that: the first piston assembly also comprises rear side housing (3), the back positioning seat (5) and the first leather cup seat cushion (7), first piston (1) is arranged in the cylinder hole of cylinder body (2), rear side housing (3), the first secondary bowl (21), the back positioning seat (5) and the first main bowl (6) from left to right are enclosed within on the first piston (1) successively, be provided with the first leather cup seat cushion (7) between the first main bowl (6) and the cylinder body (2), an end of the described first leather cup seat cushion (7) is arranged in the groove of the first main bowl (6).
2. the total pump assembly of a kind of automobile brake as claimed in claim 1, it is characterized in that: also comprise an O RunddichtringO (4), a described O RunddichtringO (4) is arranged in the groove of rear side housing (3), makes sealing between an O RunddichtringO (4) and the cylinder body (2).
3. the total pump assembly of a kind of automobile brake as claimed in claim 1, it is characterized in that: described second piston assembly comprises second piston (11), the second secondary bowl (10), prelocalization seat (12), the second main bowl (17), the second leather cup seat cushion (16) and front end cover (15), described second piston (11) is arranged in the cylinder hole of cylinder body (2), the second secondary bowl (10), the prelocalization seat (12) and the second main bowl (17) from left to right are enclosed within on second piston (11) successively, front end cover (15) is arranged in the right part, cylinder hole of cylinder body (2), be provided with the second leather cup seat cushion (16) between the front end cover (15) and the second main bowl (17), an end of the described second leather cup seat cushion (16) is arranged in the groove of the second secondary bowl (10).
4. the total pump assembly of a kind of automobile brake as claimed in claim 3, it is characterized in that: also comprise the 2nd O RunddichtringO (18), described the 2nd O RunddichtringO (18) is arranged in the groove of front end cover (15), makes sealing between the 2nd O RunddichtringO (18) and the cylinder body (2).
5. the total pump assembly of a kind of automobile brake as claimed in claim 3, it is characterized in that: be provided with second pull back spring (20) and the second spring limit base (14) between front end cover (15) and second piston (11), the described second spring limit base (14) one ends are close to front end cover (15), the other end is fixed on second piston (11), and second pull back spring (20) is fixed on the second spring limit base (14).
6. the total pump assembly of a kind of automobile brake as claimed in claim 5 is characterized in that: also comprise screw (13), the described second spring limit base (14) is fixed on second piston (11) by screw (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620106847 CN200939878Y (en) | 2006-08-18 | 2006-08-18 | Automobile braking general pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620106847 CN200939878Y (en) | 2006-08-18 | 2006-08-18 | Automobile braking general pump assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200939878Y true CN200939878Y (en) | 2007-08-29 |
Family
ID=38746063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620106847 Expired - Lifetime CN200939878Y (en) | 2006-08-18 | 2006-08-18 | Automobile braking general pump assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200939878Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853110A (en) * | 2020-07-30 | 2020-10-30 | 芜湖聚达汽车零部件有限公司 | A separate plunger type brake master cylinder assembly |
-
2006
- 2006-08-18 CN CN 200620106847 patent/CN200939878Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853110A (en) * | 2020-07-30 | 2020-10-30 | 芜湖聚达汽车零部件有限公司 | A separate plunger type brake master cylinder assembly |
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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 WANAN SCIENCE & TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WANAN GROUP CO., LTD. Effective date: 20080425 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080425 Address after: Zhuji City, Zhejiang Province town of Wan An science and Technology Park, zip code: 311835 Patentee after: Zhejiang VIE Science & Technology Co., Ltd. Address before: Zhuji City, Zhejiang Province town of Wan An science and Technology Park, zip code: 311835 Patentee before: Wanan Group Co., Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ningbo Anjie Brake Co., Ltd. Assignor: Zhejiang VIE Science & Technology Co., Ltd. Contract fulfillment period: 2007.9.30 to 2012.9.28 Contract record no.: 2008330000173 Denomination of utility model: Automobile braking general pump assembly Granted publication date: 20070829 License type: Exclusive license Record date: 20080815 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.9.30 TO 2012.9.28 Name of requester: NINGBO ANSETT BRAKE CO., LTD. Effective date: 20080815 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070829 |
|
| EXPY | Termination of patent right or utility model |