CN201090391Y - Automobile hydraulic pressure anti-lock braking system plunger pump - Google Patents
Automobile hydraulic pressure anti-lock braking system plunger pump Download PDFInfo
- Publication number
- CN201090391Y CN201090391Y CNU2007201120896U CN200720112089U CN201090391Y CN 201090391 Y CN201090391 Y CN 201090391Y CN U2007201120896 U CNU2007201120896 U CN U2007201120896U CN 200720112089 U CN200720112089 U CN 200720112089U CN 201090391 Y CN201090391 Y CN 201090391Y
- Authority
- CN
- China
- Prior art keywords
- steel ball
- piston
- way valve
- ball type
- spring seat
- 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
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- Regulating Braking Force (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model discloses a piston pump of automotive hydraulic pressure anti-lock braking system, which comprises a pump body, a piston, and a pump body rear cover, wherein the piston is arranged inside the pump body, the pump body rear cover is arranged at rear end of the pump body, a check valve is arranged on the piston, a steel ball type check valve II is arranged in the pump body rear cover, the check valve on the piston is a steel ball type check valve I, the steel ball type check valve I is arranged fixedly at rear end of the piston by a spring seat, a sealing opening I corresponding to the steel ball type check valve I is arranged at the rear end of the piston, a sealing opening II corresponding to the steel ball type check valve II is arranged at the rear end of the pump body, the steel ball type check valve II is riveted on the sealing opening II, a chamber A is arranged between the piston and the pump body, the chamber A is communicated with the sealing opening II. The utility model simplifies the structure of the piston pump of automotive hydraulic pressure anti-lock braking system, so as to make production be simpler, thereby improving the service life and reliability of the piston pump of automotive hydraulic pressure anti-lock braking system.
Description
Technical field
The utility model relates to a kind of automobile hydraulic antilock braking system (ABS) plunger pump.
Background technique
Comprise the pump housing, piston at existing automobile hydraulic antilock braking system (ABS) plunger pump, piston is embedded in the pump housing.Be provided with an one-way valve at internal piston, be fixed on internal piston by an embedded spring seat.Spring seat is provided with outside thread, and internal piston is provided with internal thread, links together by thread engagement between spring seat and the piston.Also be provided with a pump housing bonnet in pump housing rear end, also be provided with an one-way valve on pump housing bonnet, this one-way valve is fixed on the pump housing bonnet by the limiting stopper that is arranged on the pump housing bonnet.Such complicated in mechanical structure, inconvenient processing.
The model utility content
The technical problems to be solved in the utility model provides a kind of automobile hydraulic antilock braking system (ABS) plunger pump, and compact structure is easy to process.
For solving the problems of the technologies described above, the utility model adopts following technological scheme: automobile hydraulic antilock braking system (ABS) plunger pump comprises the pump housing, piston, pump housing bonnet, described piston is arranged on described pump housing inside, described pump housing bonnet is arranged on pump housing rear end, described piston is provided with one-way valve, be provided with steel ball type one-way valve II in the described pump housing bonnet, described steel ball type one-way valve II is made up of spring II and steel ball II, it is characterized in that: described one-way valve is steel ball type one-way valve I, described steel ball type one-way valve I is fixed on piston rear end by spring seat, described piston rear end is provided with the sealed mouth I of corresponding steel ball type one-way valve I, the described pump housing) rear end is provided with the sealed mouth II of corresponding steel ball type one-way valve II, and described steel ball type one-way valve II riveting is on sealed mouth II.
As a kind of improvement of the present utility model, described steel ball type one-way valve I is made up of spring I and steel ball I, the cross section of described spring seat is the shape that internal diameter from front to back reduces successively, described spring seat rear end is provided with pod apertures I, described spring seat sidewall is provided with pod apertures II, described pod apertures I, pod apertures II and sealed mouth II are interconnected, described spring seat back end inside diameter is corresponding with spring I size, described spring seat front inner diameter is bigger than steel ball I radius, described spring seat front end is provided with the projection of indent, and described piston rear end is provided with the flange of respective protrusions, and described spring seat links together with piston with the flange clamping by projection.
As of the present utility model a kind of preferred, the position of described pod apertures II is over against steel ball I.
Preferred as another kind of the present utility model, all tapered of described sealed mouth I and sealed mouth II.
The utility model adopts technique scheme, simplifies automobile hydraulic antilock braking system (ABS) plunger pump structure, processing is become simply, thereby improved the working life and the reliability of automobile hydraulic antilock braking system (ABS) plunger pump.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further specified.
Fig. 1 is the structural representation of a kind of automobile hydraulic antilock braking system (ABS) of the utility model plunger pump.
Embodiment
As shown in Figure 1, this automobile hydraulic antilock braking system (ABS) plunger pump comprises the pump housing 1, piston 2, pump housing bonnet 3 and seal ring 12.Piston 2 embeds the pump housing 1 inside, and the pump housing 1 rear end is connected with pump housing bonnet 3.The end that piston 2 rear ends promptly embed the pump housing 1 inside is connected with steel ball type one-way valve I4, and steel ball type one-way valve I4 is made up of spring I7 and steel ball I8.Steel ball type one-way valve I4 is fixed on piston 2 rear ends by spring seat 17, and the cross section of spring seat 17 is the shape that internal diameter from front to back reduces successively.Spring seat 17 front ends are provided with the projection 15 of indent, and piston 2 rear ends are provided with the flange 16 of respective protrusions 15, and spring seat 17 links together with piston 2 with flange 16 clampings by projection 15.Spring seat 17 back end inside diameter are identical with spring I7 radius size, and spring just is clamped at spring seat 17 rear ends.The spring abutment front inner diameter is bigger than steel ball I8 radius, because steel ball I8 plays on-off action, needs timely break-make.On piston 2, be provided with the sealed mouth I6 of corresponding steel ball type one-way valve I4, tapered of sealed mouth I6, steel ball I8 by spring I7 riveting on sealed mouth I6 and in formation point contact, therefore reduced production requirement, production and processing is more convenient.Spring seat 17 rear ends are provided with pod apertures I13, and sidewall is provided with pod apertures II14.Because pod apertures II14 has been the major flow effect, thus the position of pod apertures II14 over against steel ball I8, timely break-make so, and pod apertures I13 helps out so be set at spring seat 17 rear ends.
Pump housing bonnet 3 is arranged on the pump housing 1 rear end, in pump housing bonnet 3, be provided with steel ball type one-way valve II5, steel ball type one-way valve II5 is made up of spring II10 and steel ball II11, the pump housing 1 rear end is provided with the sealed mouth II9 of corresponding steel ball type one-way valve II5, also tapered of sealed mouth II9, steel ball II11 by spring II10 riveting on sealed mouth II9 and in formation point contact, reduced production requirement equally, production and processing is more convenient.Pod apertures I13, pod apertures II14 and sealed mouth II9 are interconnected.Adopt such structure to make this automobile hydraulic antilock braking system (ABS) plunger pump be of compact construction, production and processing is more convenient, thereby has improved the working life and the reliability of automobile hydraulic antilock braking system (ABS) plunger pump.
Claims (4)
1. automobile hydraulic antilock braking system (ABS) plunger pump, it comprises the pump housing (1), piston (2), pump housing bonnet (3), described piston (2) is arranged on the described pump housing (1) inside, described pump housing bonnet (3) is arranged on the pump housing (1) rear end, described piston (2) is provided with one-way valve, be provided with steel ball type one-way valve II (5) in the described pump housing bonnet (3), described steel ball type one-way valve II (5) is made up of spring II (10) and steel ball II (11), it is characterized in that: described one-way valve is steel ball type one-way valve I (4), described steel ball type one-way valve I (4) is fixed on piston (2) rear end by spring seat (17), described piston (2) rear end is provided with the sealed mouth I (6) of corresponding steel ball type one-way valve I (4), the described pump housing (1) rear end is provided with the sealed mouth II (9) of corresponding steel ball type one-way valve II (5), and described steel ball type one-way valve II (5) riveting is on sealed mouth II (9).
2. according to the described automobile hydraulic antilock braking system (ABS) of claim 1 plunger pump, it is characterized in that: described steel ball type one-way valve I (4) is made up of spring I (7) and steel ball I (8), the cross section of described spring seat (17) is the shape that internal diameter from front to back reduces successively, described spring seat (17) rear end is provided with pod apertures I (13), described spring seat (17) sidewall is provided with pod apertures II (14), described pod apertures I (13), pod apertures II (14) and sealed mouth II (9) are interconnected, described spring seat (17) back end inside diameter is corresponding with spring I (7) size, described spring seat (17) front inner diameter is bigger than steel ball I (8) radius, described spring seat (17) front end is provided with the projection (15) of indent, described piston (2) rear end is provided with the flange (16) of respective protrusions (15), and described spring seat (17) links together with piston (2) with flange (16) clamping by projection (15).
3. according to the described automobile hydraulic antilock braking system (ABS) of claim 2 plunger pump, it is characterized in that: the position of described pod apertures II (14) is over against steel ball I (8).
4. according to the described automobile hydraulic antilock braking system (ABS) of claim 1 plunger pump, it is characterized in that: all tapered of described sealed mouth I (6) and sealed mouth II (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201120896U CN201090391Y (en) | 2007-07-19 | 2007-07-19 | Automobile hydraulic pressure anti-lock braking system plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201120896U CN201090391Y (en) | 2007-07-19 | 2007-07-19 | Automobile hydraulic pressure anti-lock braking system plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201090391Y true CN201090391Y (en) | 2008-07-23 |
Family
ID=39862151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201120896U Expired - Lifetime CN201090391Y (en) | 2007-07-19 | 2007-07-19 | Automobile hydraulic pressure anti-lock braking system plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201090391Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109476293A (en) * | 2016-07-25 | 2019-03-15 | 怡来汽车电子底盘系统有限公司 | Piston pump for motor vehicle braking system |
| CN110182191A (en) * | 2019-06-12 | 2019-08-30 | 浙江亚太机电股份有限公司 | New automobile electric stabilizing system ESC plunger pump structure |
-
2007
- 2007-07-19 CN CNU2007201120896U patent/CN201090391Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109476293A (en) * | 2016-07-25 | 2019-03-15 | 怡来汽车电子底盘系统有限公司 | Piston pump for motor vehicle braking system |
| CN110182191A (en) * | 2019-06-12 | 2019-08-30 | 浙江亚太机电股份有限公司 | New automobile electric stabilizing system ESC plunger pump structure |
| CN110182191B (en) * | 2019-06-12 | 2023-10-13 | 浙江亚太机电股份有限公司 | Novel ESC plunger pump structure of automobile electronic stabilization system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090109 Address after: No. 211, Chuan Da Road, Shanghai, Pudong New Area: 201200 Patentee after: Shanghai Wanjie Auto Control System Co., Ltd. Address before: Zhuji City, Zhejiang Province town of Wan An science and Technology Park, zip code: 311835 Patentee before: Shanghai Automobile Control System Co., Ltd. VIE Group |
|
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI WANJIE CAR CONTROL SYSTEM CO., LTD. Free format text: FORMER OWNER: WANAN GROUP SHANGHAI CAR CONTROL SYSTEM CO., LTD. Effective date: 20090109 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080723 |