CN102619750A - Internal positioning mode of automobile steering pump and automobile steering pump - Google Patents
Internal positioning mode of automobile steering pump and automobile steering pump Download PDFInfo
- Publication number
- CN102619750A CN102619750A CN2011102651643A CN201110265164A CN102619750A CN 102619750 A CN102619750 A CN 102619750A CN 2011102651643 A CN2011102651643 A CN 2011102651643A CN 201110265164 A CN201110265164 A CN 201110265164A CN 102619750 A CN102619750 A CN 102619750A
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- Prior art keywords
- steering pump
- thrust plate
- housing
- locating stud
- cam ring
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Abstract
The invention discloses an internal positioning mode of an automobile steering pump. The mode involves a housing provided with a positioning pin hole, the inside of which is provided with a first positioning pin. The inside of the housing in is fit connection with a thrust plate, and a sealing ring is arranged between the thrust plate and the housing. The sealing ring is mounted on the thrust plate fittingly. The thrust plate is provided with a rotor and a cam ring that is positioned on the outside of the rotor and is provided with a pressure plate. The first positioning pin passes through the cam ring and the pressure plate in order and is in fit connection with the thrust plate. By means of the mode, the internal positioning mode of an automobile steering pump and the automobile steering pump can better guarantee the positional relationship between the cam ring and the rotor, reduce internal part wearing of the steering pump, improve the reliability of the steering pump, and greatly reduce processing and manufacturing cost as well as improve the practical value.
Description
Technical field
The present invention relates to the steering pump of automobile field, particularly relate to a kind of positioned internal mode and steering pump of automobile of steering pump of automobile.
Background technique
Thrust plate is a part important on the steering pump, and the orientation type between it and the housing is particularly important, and this will have influence on position relation between cam ring and rotor, and is remarkable with the part life influence to the noise performance of steering pump.Existing technology is on the housings support face, to bore two positioning pin holes, and two locating studs are fixed therein, and locating stud passes thrust plate, cam ring and pressure plate successively, and the position of cam ring is just by the determining positions of two positioning pin holes on the housing like this; And rotor is connected with the live axle spline, and live axle passes the case bushing hole, and the position of rotor is just by the determining positions of bush hole on the housing like this; Therefore the relation of the position between cam ring and rotor just is embodied directly on the housing position degree requirement of two positioning pin holes with respect to bush hole.Because existing processing technology is difficult to guarantee the position degree of these two positioning pin holes on the housing; Do not reach the processing request of part itself; And manufacture cost is high, in case there is deviation will cause the steering pump noise obvious, inner uneven; The parts depreciation aggravation has a strong impact on and turns to pump performance and working life.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of positioned internal mode of steering pump of automobile; Can better guarantee the position relation between cam ring and the rotor; Reduce the wearing and tearing of steering pump inner body; Improve the reliability of steering pump, and reduce the manufacturing cost greatly, improve use value.
For solving the problems of the technologies described above, the technological scheme that the present invention adopts is: a kind of positioned internal mode of steering pump of automobile is provided, comprises: housing; Said housing is provided with positioning pin hole, is provided with first locating stud in the said positioning pin hole, and said thrust plate is provided with the through hole that matches with first locating stud; Be connected with thrust plate in the said housing; Be equipped with seal ring on the said thrust plate, said seal ring is arranged between thrust plate and the housing, and said thrust plate is provided with rotor and cam ring; Said cam ring is arranged at the rotor outside, and said first locating stud is with the through hole cooperation and pass cam ring.
In preferred embodiment of the present invention, said cam ring is provided with pressure plate.
In preferred embodiment of the present invention, said thrust plate is provided with blind hole, is connected with second locating stud in the said blind hole, and said second locating stud passes cam ring and pressure plate successively.
In preferred embodiment of the present invention, said first locating stud and through hole cooperation are also passed cam ring and pressure plate successively.
In preferred embodiment of the present invention, be provided with live axle in the said housing, said live axle passes thrust plate and rotor is connected.
In preferred embodiment of the present invention, said seal ring is arranged in the groove on the thrust plate external diameter.
In preferred embodiment of the present invention, said seal ring is the O RunddichtringO.
In preferred embodiment of the present invention, the said first locating stud length is greater than second locating stud.
In preferred embodiment of invention, the master that orientates as between said thrust plate and the housing locatees.
In preferred embodiment of invention, orientate assist location as on said first locating stud and the housing between the blind hole.
The invention has the beneficial effects as follows: the positioned internal mode of steering pump of automobile of the present invention is fixed the circumferential position that limits thrust plate with single locating stud jointly through O type circle; Improve the positional accuracy between cam ring and rotor with this; Reduce the manufacturing cost; Reduce the wearing and tearing of steering pump inner body, improve the reliability of steering pump.
Description of drawings
Fig. 1 is the structural representation of a preferred embodiment of positioned internal mode and the steering pump of automobile of steering pump of automobile of the present invention;
Fig. 2 is the positioned internal mode of steering pump of automobile shown in Figure 1 and the plan view of steering pump of automobile.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is set forth in detail, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
See also Fig. 1, Fig. 2 and Fig. 3,, a kind of positioned internal mode of steering pump of automobile; Comprise: housing 1, said housing 1 is provided with positioning pin hole 10, is provided with first locating stud 4 in the said positioning pin hole 10; Said thrust plate 2 is provided with the through hole 11 that matches with first locating stud 4, is connected with thrust plate 2 in the said housing 1, is equipped with seal ring 3 on the said thrust plate 2; Said seal ring 3 is arranged between thrust plate 2 and the housing 1; Said thrust plate 2 is provided with rotor 6 and cam ring 5, and said cam ring 5 is arranged at rotor 6 outsides, and said first locating stud 4 is with through hole 11 cooperations and pass cam ring 5.
In addition, said cam ring 5 is provided with pressure plate 7.
In addition, said thrust plate 2 is provided with blind hole 12, is connected with second locating stud 4 in the said blind hole 12, and said second locating stud 4 passes cam ring 5 and pressure plate 7 successively.
In addition, said first locating stud 4 cooperates with through hole 11 and passes cam ring 5 and pressure plate 7 successively, and thrust plate 2 is through the fixing circumferential position of first locating stud 4 and seal ring 3, improves the positional accuracy of 6 of cam ring 5 and rotors with this.
In addition, be provided with live axle 9 in the said housing 1, said live axle 9 passes thrust plate 2 and is connected with rotor 6.
In addition, said seal ring 3 is arranged in the groove on thrust plate 2 external diameters.
In addition, said seal ring 3 is the O RunddichtringO, compresses through the O RunddichtringO between thrust plate 2 and the housing 1.
In addition, the said first locating stud length 4 is greater than second locating stud 8.
In addition, the master that orientates as between said thrust plate 2 and the housing 1 locatees.
In addition, orientate assist location as between the blind hole 10 on said first locating stud 4 and the housing.
Steering pump of automobile of the present invention the concrete working procedure of positioned internal mode following: first locating stud 4 is fixed in the positioning pin hole 10 of housing 1; Seal ring 3 is installed in the groove on thrust plate 2 external diameters, again thrust plate 2 is pushed in the housing 1, guarantee that first locating stud 4 passes the through hole 11 on the thrust plate 2; Thrust plate 2 is press-fit into place; Then second locating stud 8 is fixed in the blind hole 12 of thrust plate 2, cam ring 5 and pressure plate 7 are installed on the thrust plate 2, first locating stud 4 and second locating stud 8 pass cam ring 5 and pressure plate 7 successively; The afterbody of live axle 9 is inserted into housing 1 inner chamber from housing 1 front aperture; Pass thrust plate 2, be connected with rotor 7 then, in the blade groove of rotor 7, install blade; Promptly accomplish the assembling of steering pump, this structure requires to guarantee the position relation of cam ring 5 and rotor element 7 with respect to the position degree of bush hole through housing 1 internal diameter.
This reality invention also provide a kind of steering pump of automobile, said a kind of steering pump of automobile comprise above-mentioned steering pump of automobile the positioned internal mode.
Be different from existing technology; Steering pump of automobile of the present invention positioned internal mode and steering pump of automobile can better guarantee the position relation between cam ring and the rotor; Reduce the wearing and tearing of steering pump inner body; Improve the reliability of steering pump, and reduce the manufacturing cost greatly, improve use value.
The above is merely embodiments of the invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (11)
1. the positioned internal mode of a steering pump of automobile is characterized in that, comprising: housing; Said housing is provided with positioning pin hole, is provided with first locating stud in the said positioning pin hole, and said thrust plate is provided with the through hole that matches with first locating stud; Be connected with thrust plate in the said housing; Be equipped with seal ring on the said thrust plate, said seal ring is arranged between thrust plate and the housing, and said thrust plate is provided with rotor and cam ring; Said cam ring is arranged at the rotor outside, and said first locating stud is with the through hole cooperation and pass cam ring.
2. the positioned internal mode of steering pump of automobile according to claim 1 is characterized in that, said cam ring is provided with pressure plate.
3. the positioned internal mode of steering pump of automobile according to claim 2 is characterized in that, a blind hole also is set on the said thrust plate, is connected with second locating stud in the said blind hole, and said second locating stud passes cam ring and pressure plate successively.
4. the positioned internal mode of steering pump of automobile according to claim 2 is characterized in that, said first locating stud and through hole cooperation are also passed cam ring and pressure plate successively.
5. the positioned internal mode of steering pump of automobile according to claim 1 is characterized in that, is provided with live axle in the said housing, and said live axle passes thrust plate and rotor is connected.
6. the positioned internal mode of steering pump of automobile according to claim 1 is characterized in that, said seal ring is arranged in the groove on the thrust plate external diameter.
7. the positioned internal mode of steering pump of automobile according to claim 1 is characterized in that, said seal ring is the O RunddichtringO.
8. the positioned internal mode of steering pump of automobile according to claim 3 is characterized in that, the said first locating stud length is greater than second locating stud.
9. the positioned internal mode of steering pump of automobile according to claim 1 is characterized in that, the master that orientates as between said thrust plate and the housing locatees.
10. the positioned internal mode of steering pump of automobile according to claim 1 is characterized in that, orientates assist location as between the blind hole on said first locating stud and the housing.
11. a steering pump of automobile is characterized in that, said steering pump of automobile comprises the positioned internal mode of any described steering pump of automobile of claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102651643A CN102619750A (en) | 2011-09-08 | 2011-09-08 | Internal positioning mode of automobile steering pump and automobile steering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102651643A CN102619750A (en) | 2011-09-08 | 2011-09-08 | Internal positioning mode of automobile steering pump and automobile steering pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102619750A true CN102619750A (en) | 2012-08-01 |
Family
ID=46559886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102651643A Pending CN102619750A (en) | 2011-09-08 | 2011-09-08 | Internal positioning mode of automobile steering pump and automobile steering pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102619750A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3730653A (en) * | 1971-11-24 | 1973-05-01 | Trw Inc | Variable delivery pump |
| US4419058A (en) * | 1981-06-08 | 1983-12-06 | General Motors Corporation | Hydraulic pump rotating group axial alignment structure |
| US4505655A (en) * | 1980-12-27 | 1985-03-19 | Toyoda Koki Kabushiki Kaisha | Vane pump with positioning pins for cam ring and side plates |
| US20050163631A1 (en) * | 2001-12-27 | 2005-07-28 | Luk Fahrzeug-Hydraulik Gmbh & Co. Kg | Pump |
| CN2874068Y (en) * | 2006-03-13 | 2007-02-28 | 陈仲伟 | Automobile steering oil pump |
| CN201318280Y (en) * | 2008-12-25 | 2009-09-30 | 阜新德尔汽车转向泵有限公司 | Vane type automobile steering pump |
-
2011
- 2011-09-08 CN CN2011102651643A patent/CN102619750A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3730653A (en) * | 1971-11-24 | 1973-05-01 | Trw Inc | Variable delivery pump |
| US4505655A (en) * | 1980-12-27 | 1985-03-19 | Toyoda Koki Kabushiki Kaisha | Vane pump with positioning pins for cam ring and side plates |
| US4419058A (en) * | 1981-06-08 | 1983-12-06 | General Motors Corporation | Hydraulic pump rotating group axial alignment structure |
| US20050163631A1 (en) * | 2001-12-27 | 2005-07-28 | Luk Fahrzeug-Hydraulik Gmbh & Co. Kg | Pump |
| CN2874068Y (en) * | 2006-03-13 | 2007-02-28 | 陈仲伟 | Automobile steering oil pump |
| CN201318280Y (en) * | 2008-12-25 | 2009-09-30 | 阜新德尔汽车转向泵有限公司 | Vane type automobile steering pump |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120801 |