CN101746370A - Vacuum assist system - Google Patents
Vacuum assist system Download PDFInfo
- Publication number
- CN101746370A CN101746370A CN200910251503A CN200910251503A CN101746370A CN 101746370 A CN101746370 A CN 101746370A CN 200910251503 A CN200910251503 A CN 200910251503A CN 200910251503 A CN200910251503 A CN 200910251503A CN 101746370 A CN101746370 A CN 101746370A
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- Prior art keywords
- pump
- vacuum pump
- power steering
- vacuum
- intergral reservoir
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- 239000010687 lubricating oil Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
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- Valves And Accessory Devices For Braking Systems (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention relates to a vacuum assist system and a mechanical vacuum pump with low use cost and good reliability and provides a new vacuum pump layout mode. A vacuum pump is laid at the back end of a power steering pump and is driven by the shaft of the power steering pump to run, so the layout space is saved, and at the same time the noise problem of an electronic vacuum pump is also solved.
Description
Technical field
The present invention relates to the vacuum servo system, be specifically related to a kind of arrangement of vacuum automobile pump.
Background technology
The vacuum source of against vacuum force aid system, gasoline-powered vehicle is because driving engine adopts Spark ignition type, therefore can produce higher vacuum pressure at induction maniflod, can provide enough vacuum sources for vacuum boosting braking system, and for the vehicle of diesel engine drives, because driving engine adopts compression-ignited CI (CompressionIgnitioncycle), the vacuum pressure of par can not be provided at the induction maniflod place like this, so need to install separately the vacuum pump that vacuum source is provided, in addition, for design-calculated gasoline direct injection engine GDI (GasolineDirectInjection) in order to satisfy higher discharge-ring guaranteed request, and in order to promote the compressor engine that engine performance adopts, therefore the requirement that can not provide the vacuum pressure of par to satisfy the vacuum brake force aid system at the induction maniflod place also needs the addition of vacuum pump that vacuum source is provided.Traditional automobile addition of vacuum pump has two kinds of type of drive, and a kind of is electric vacuum pump, another kind of by engine cam drive vacuum pump.When using electric vacuum pump, cost height not only, noise is big, and often needs independent arrangement space, additional special dustproof and waterproof device.Particularly when machinery space arrangement space anxiety, when having to be arranged in below the cab floor, noise and dustproof and waterproof problem especially are difficult to resolve determines, and gives car load NVH performance, and all brings very big problem in service life of vacuum pump etc.When vacuum pump was driven by engine cam, the vacuum pump that is fixed on the camshaft rear end will certainly influence the contour dimension of driving engine, and for the machinery space of engine position space compactness, this also brings the difficult problem on the engine position.
In sum, have following technical matters in the prior art: (1) has set-up mode cost height now, and noise is big and the life-span short; (2) difficulty in arrangement influences driving engine contour dimension.
Summary of the invention
The objective of the invention is to optimize engine position, save the machinery space arrangement space, avoid the noise of electronic vacuum pump.
Specifically, the object of the present invention is to provide a kind of vacuum servo system, use cost is low, the mechanical type vacuum pump of good reliability, and provide a kind of new vacuum pump arrangement, be about to the rear end that vacuum pump is arranged in power steering pump with intergral reservoir, axle by power steering pump with intergral reservoir drives running, has both saved arrangement space, has also solved the noise problem of electronic vacuum pump simultaneously.
Concrete technical scheme is as follows:
A kind of vacuum servo system comprises vacuum pump and power steering pump with intergral reservoir, and this vacuum pump is arranged in the rear end of power steering pump with intergral reservoir, and vacuum pump drives running by power steering pump with intergral reservoir.
Described vacuum pump has a vacuum pump seat, and described power steering pump with intergral reservoir has a rear side housing, and the rear end that described vacuum pump is arranged in power steering pump with intergral reservoir is this vacuum pump seat of vacuum pump and this rear side housing bolt together of power steering pump with intergral reservoir.
Described vacuum pump has a vacuum pump shaft, and described power steering pump with intergral reservoir has a power steering pump with intergral reservoir rotating shaft, and this vacuum pump shaft of described vacuum pump drives running by this power steering pump with intergral reservoir rotating shaft of power steering pump with intergral reservoir.
The end of this vacuum pump shaft of vacuum pump is provided with vacuum pump shaft male splines, and the end of this power steering pump with intergral reservoir rotating shaft of power steering pump with intergral reservoir is provided with power steering pump shaft female splines, and this vacuum pump shaft male splines matches with power steering pump shaft female splines.
The rear side housing of described power steering pump with intergral reservoir is provided with the hole, and described vacuum pump shaft extension goes out the vacuum pump seat, passes the hole on this rear side housing.
Vacuum pump is provided with its axle mounting hole, and the vacuum pump seat is provided with and this axle mounting hole accentric cam, and described cam is arranged with bladed rotor outward.
The pump housing of vacuum pump is provided with admission port and exhausr port.
The front of the rear side housing of described power steering pump with intergral reservoir is provided with dynamic steering pump seal ring, in order to seal.
The front of described vacuum pump seat is provided with the vacuum pump seal ring, in order to it is sealed; Be provided with gasket seal between the rear side housing of described power steering pump with intergral reservoir and the vacuum pump seat and carry out sealing and dustproof.
Described vacuum pump by a vacuum pump oil leab draw in the power steering pump with intergral reservoir lubricating oil, utilize the vacuum that produces in the vacuum pump, with lubricating oil inspiration pump chamber, the centnifugal force that produces in utilizing its rotor rotation process flows back to power steering pump with intergral reservoir along pump housing inwall after lubricating oil is thrown to pump housing inwall.
Compare the present invention with present prior art
1, optimizes engine position, make its compact conformation;
2, avoid the noise problem of electronic vacuum pump;
3, the vacuum pump installing/dismounting is convenient;
4, for the engine power steering pump that does not need independent addition of vacuum pump, only need changing thereafter, end cap gets final product.
Description of drawings
Fig. 1 is a surface structure scheme drawing of the present invention;
Fig. 2 is this power steering pump with intergral reservoir and vacuum pump connection location generalized section.
Among the figure:
The 1-vacuum pump; The 2-power steering pump with intergral reservoir; 3-power steering pump with intergral reservoir rear side housing; 4-vacuum pump seat; 5-vacuum pump case; 6-vacuum pump and power steering pump with intergral reservoir bolt of rear end plate; 7-vacuum pump admission port; 8-vacuum pump air extractor duct; The rotating shaft of 9-vacuum pump oil leab 10-vacuum pump; 11-vacuum pump seal ring; The rotating shaft of 12-power steering pump gland 13-power steering pump with intergral reservoir; 14-power steering pump shaft female splines; 15-vacuum pump shaft male splines; The 16-gasket seal
The specific embodiment
Describe the present invention with reference to the accompanying drawings below, it is a kind of preferred embodiment in the numerous embodiments of the present invention.
Present embodiment is to solve the problems of the technologies described above the technical scheme that is adopted to be: by three attachment points, vacuum pump is installed on the automobile power steering pump rear side housing, simultaneously, power steering pump shaft processing female splines, its rear end covers out corresponding hole, make the vacuum pump shaft pass this hole and be connected with spline, realize coaxial running with the power steering pump shaft.The pump seat of this vacuum pump is provided with and axle mounting hole accentric cam, and bladed rotor is sleeved on the cam outside, and the pump housing is provided with admission port and exhausr port.The lubricating oil of vacuum pump directly picks out from the oil return pipe of power steering pump with intergral reservoir, utilize the vacuum that produces in the vacuum pump, with lubricating oil inspiration pump chamber, the centnifugal force that in utilizing its rotor rotation process, produces, flow back to power steering pump with intergral reservoir along pump housing inwall after lubricating oil is thrown to pump housing inwall, thereby realized the lubricated cooling of vacuum pump easily.For the power steering pump with intergral reservoir that does not need independent addition of vacuum pump, only need change end cap thereafter, can realize the universalization of power steering pump with intergral reservoir.
As depicted in figs. 1 and 2, this invention is the rear end that vacuum pump is arranged in power steering pump with intergral reservoir, employed method is that the vacuum pump seat 4 of vacuum pump 1 and the rear side housing 3 usefulness bolts 6 of power steering pump with intergral reservoir 2 are linked together, utilize power steering pump with intergral reservoir rotating shaft 13 to drive vacuum pump shaft 10 and rotate, thus the running of realization vacuum pump.
This invention comprise power steering pump shaft 13 with and the power steering pump shaft female splines 14 of end, vacuum pump shaft 10 with and the vacuum pump shaft male splines 15 of end.Vacuum pump shaft 10 stretches out vacuum pump seat 4, passes to get the hole on the power steering pump with intergral reservoir rear side housing 3, and its vacuum pump shaft male splines 15 cooperates with power steering pump shaft female splines 15, and when engine belt pulley drove 13 rotations of power steering pump shaft, vacuum pump shaft 10 is running thereupon also.Dynamic steering pump seal ring 12 seals in the front of power steering pump with intergral reservoir rear side housing 3, has vacuum pump seal ring 11 that it is sealed in the front of vacuum pump seat 4.Between power steering pump with intergral reservoir rear side housing 3 and vacuum pump seat 4, there is gasket seal 16 to carry out sealing and dustproof.
Vacuum pump 1 by vacuum pump oil leab 9 draw in the power steering pump with intergral reservoir 2 lubricating oil.
The technique effect of present embodiment:
1, optimizes engine position, make its compact conformation;
2, avoid the noise problem of electronic vacuum pump
3, the vacuum pump installing/dismounting is convenient;
4, for the engine power steering pump that does not need independent addition of vacuum pump, only need changing thereafter, end cap gets final product.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; or directly apply to other occasion without improvement, all within protection scope of the present invention.
Claims (10)
1. a vacuum servo system is characterized in that, comprises vacuum pump and power steering pump with intergral reservoir, and this vacuum pump is arranged in the rear end of power steering pump with intergral reservoir, and vacuum pump drives running by power steering pump with intergral reservoir.
2. vacuum servo as claimed in claim 1 system, it is characterized in that, described vacuum pump has a vacuum pump seat, described power steering pump with intergral reservoir has a rear side housing, and the rear end that described vacuum pump is arranged in power steering pump with intergral reservoir is this vacuum pump seat of vacuum pump and this rear side housing bolt together of power steering pump with intergral reservoir.
3. vacuum servo as claimed in claim 1 or 2 system, it is characterized in that, described vacuum pump has a vacuum pump shaft, and described power steering pump with intergral reservoir has a power steering pump with intergral reservoir rotating shaft, and this vacuum pump shaft of described vacuum pump drives running by this power steering pump with intergral reservoir rotating shaft of power steering pump with intergral reservoir.
4. vacuum servo as claimed in claim 3 system, it is characterized in that, the end of this vacuum pump shaft of vacuum pump is provided with vacuum pump shaft male splines, the end of this power steering pump with intergral reservoir rotating shaft of power steering pump with intergral reservoir is provided with power steering pump shaft female splines, and this vacuum pump shaft male splines matches with power steering pump shaft female splines.
5. as claim 3 or 4 described vacuum servo systems, it is characterized in that the rear side housing of described power steering pump with intergral reservoir is provided with the hole, described vacuum pump shaft extension goes out the vacuum pump seat, passes the hole on this rear side housing.
6. as each described vacuum servo system among the claim 2-5, it is characterized in that vacuum pump is provided with its axle mounting hole, and the vacuum pump seat is provided with and this axle mounting hole accentric cam, described cam is arranged with bladed rotor outward.
7. vacuum servo as claimed in claim 6 system is characterized in that the pump housing of vacuum pump is provided with admission port and exhausr port.
8. as claim 2-5, each described vacuum servo system is characterized in that the front of the rear side housing of described power steering pump with intergral reservoir is provided with dynamic steering pump seal ring, in order to seal in 7.
9. as claim 2-5, each described vacuum servo system is characterized in that the front of described vacuum pump seat is provided with the vacuum pump seal ring, in order to it is sealed in 7; Be provided with gasket seal between the rear side housing of described power steering pump with intergral reservoir and the vacuum pump seat and carry out sealing and dustproof.
10. as claim 1-5, each described vacuum servo system in 7, described vacuum pump by a vacuum pump oil leab draw in the power steering pump with intergral reservoir lubricating oil, utilize the vacuum that produces in the vacuum pump, with lubricating oil inspiration pump chamber, the centnifugal force that produces in utilizing its rotor rotation process flows back to power steering pump with intergral reservoir along pump housing inwall after lubricating oil is thrown to pump housing inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910251503 CN101746370B (en) | 2009-12-23 | 2009-12-23 | Vacuum assist system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910251503 CN101746370B (en) | 2009-12-23 | 2009-12-23 | Vacuum assist system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101746370A true CN101746370A (en) | 2010-06-23 |
| CN101746370B CN101746370B (en) | 2013-05-15 |
Family
ID=42474161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910251503 Active CN101746370B (en) | 2009-12-23 | 2009-12-23 | Vacuum assist system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101746370B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106043260A (en) * | 2016-06-30 | 2016-10-26 | 南京工程学院 | Vacuum-assist braked power device for electric vehicle |
| CN110304031A (en) * | 2018-03-27 | 2019-10-08 | 上海汽车集团股份有限公司 | A kind of automatically controlled boost pump, automatically controlled energy assisted braking system and automobile |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2521424Y (en) * | 2001-07-03 | 2002-11-20 | 烟台海德机床厂 | Composite pump |
| CN2661515Y (en) * | 2003-10-13 | 2004-12-08 | 李春晓 | Brake vacuum assistor of electric car |
| CN201162641Y (en) * | 2008-03-20 | 2008-12-10 | 江德明 | Two-phase fluid pump |
-
2009
- 2009-12-23 CN CN 200910251503 patent/CN101746370B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106043260A (en) * | 2016-06-30 | 2016-10-26 | 南京工程学院 | Vacuum-assist braked power device for electric vehicle |
| CN110304031A (en) * | 2018-03-27 | 2019-10-08 | 上海汽车集团股份有限公司 | A kind of automatically controlled boost pump, automatically controlled energy assisted braking system and automobile |
| CN110304031B (en) * | 2018-03-27 | 2022-04-05 | 上海汽车集团股份有限公司 | Electric control booster pump, electric control booster braking system and automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101746370B (en) | 2013-05-15 |
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