CN104071220A - Automobile hydraulic steering system - Google Patents
Automobile hydraulic steering system Download PDFInfo
- Publication number
- CN104071220A CN104071220A CN201410361172.1A CN201410361172A CN104071220A CN 104071220 A CN104071220 A CN 104071220A CN 201410361172 A CN201410361172 A CN 201410361172A CN 104071220 A CN104071220 A CN 104071220A
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- oil
- deflector
- steering system
- hole
- pipe
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Abstract
The invention relates to the technical field of automobiles, and discloses an automobile hydraulic steering system, which includes a steering gear, a high pressure oil pipe connected with the oil inlet of the steering gear, and an oil return pipe connected with the oil outlet of the steering gear, wherein the high pressure oil pipe is connected with the oil inlet of the steering gear through a high pressure oil pipe connector of a built-in oil line; a metal gasket is arranged at the joint of the high pressure oil pipe connector and the oil inlet of the steering gear; the oil return pipe is connected with the oil outlet of the steering gear through an oil return pipe connector; an O-type seal ring is arranged at the joint of the oil return pipe connector and the oil outlet of the steering gear; the oil return pipe connector and the steering gear are integrated into an integral structure. The automobile hydraulic steering system improves the seal structures at the joints of the oil pipelines and the steering gear, thereby avoiding poor stability of the steering system caused by leakage of power steering liquid due to aged seal rings and mechanical damage.
Description
Technical field
The present invention relates to automobile technical field, be specifically related to a kind of car hydrostatic steering system.
Background technology
At present, the hydrostatic steering system parts that automobile adopts mainly comprise high pressure fuel pipe, deflector, oil return pipe.As depicted in figs. 1 and 2, be respectively the structural representation of traditional high-pressure oil pipe joint and traditional oil returning pipe joint, high pressure fuel pipe 1 ' by high pressure fuel pipe pier nose bolt 2 ' be connected with deflector oil inlet, oil return pipe 3 ' by oil return pipe pier nose bolt 4 ' be connected with deflector oil outlet, the described high pressure fuel pipe 1 of described high pressure fuel pipe pier nose bolt 2 ' be integrated in ' on, the described oil return pipe 3 of described oil return pipe pier nose bolt 4 ' be integrated in ' on, position at high pressure fuel pipe and oil return pipe near deflector end, install respectively an O-ring seals 5 ', material is generally NBR.Use after a period of time, or due to after maintenance oil pipe dismantles repeatedly, the easy thermal ageing of O-ring seals or mechanical damage, cause poorly sealedly, causes that the moving liquid that turns reveals, thereby affect the stability of hydrostatic steering system.
Therefore, how ensureing leak tightness and stability that hydrostatic steering system is good, is the problem that this area is needed solution badly.
Summary of the invention
The object of this invention is to provide a kind of car hydrostatic steering system, this hydrostatic steering system is easy for installation, has good leak tightness and higher stability.
To achieve these goals, the invention provides following technical scheme:
A kind of car hydrostatic steering system, the high pressure fuel pipe that comprises deflector, be connected with deflector oil inlet and the oil return pipe being connected with deflector oil outlet, described high pressure fuel pipe is connected with described deflector oil inlet by the high-pressure oil pipe joint of built-in oil circuit, and the junction of described high-pressure oil pipe joint and described deflector oil inlet is provided with metallic gasket; Described oil return pipe is connected with described deflector oil outlet by oil returning pipe joint, and the junction of described oil returning pipe joint and described deflector oil outlet is provided with O-ring seals, and described oil returning pipe joint and the described deflector formula structure that becomes one.
Preferably, described high-pressure oil pipe joint comprises joint body and offers the perforated bolt of blind hole along bolt shank axis direction, on described joint body, offer through hole, the entrance point of described through hole, exit end are equipped with described metallic gasket, and the inwall of described through hole is provided with out oil groove, the connectivity port of described joint body and described high pressure fuel pipe is provided with fuel feed hole, and described fuel feed hole with described in go out oil groove and communicate; Described perforated bolt is connected with described deflector oil inlet through described through hole and described metallic gasket, on bolt shank bar wall, offers the oilhole that runs through described bolt shank, and described oilhole, described blind hole, described deflector oil inlet are communicated with successively.
Preferably, the oil-feed area of described oilhole goes out the fuel-displaced area of oil groove described in being less than.
Preferably, described oilhole is waist shaped hole.
Preferably, described joint body " drum " shape, described through hole is along the axis direction setting of " drum ", the first end face and second end face of connection " drum " shape joint body, and be adjacent to described the first end face and described the second end face is respectively equipped with described metallic gasket.
Preferably, described metallic gasket is red copper pad.
Preferably, described oil returning pipe joint comprises the pier nose bolt being connected with described deflector oil outlet and the connector being connected with described oil return pipe.
Preferably, described oil return pipe is fixed on described connector by elastic hoop, and described connector is provided with two groups described elastic hoop is carried out to spacing positive stop lug boss.
Car hydrostatic steering system provided by the invention, compared with prior art, high pressure fuel pipe and the connection mode that has changed original pier nose bolt fitted seal circle being connected of deflector oil inlet, change into and adopt the high-pressure oil pipe joint of built-in oil circuit to connect, described high-pressure oil pipe joint plays the effect being connected and fixed with oil circuit conducting simultaneously, and be provided with metallic gasket in the junction of described high-pressure oil pipe joint and described deflector oil inlet, ensure good leak tightness, save ring structure, can prevent poorly sealed because of what seal ring was aging or mechanical damage causes, the moving problems such as liquid leakage that turn, simultaneously, oil return pipe in this car hydrostatic steering system is connected with described deflector oil outlet by oil returning pipe joint, the junction of described oil returning pipe joint and described deflector is provided with O-ring seals, and, described oil returning pipe joint and the described deflector formula structure that becomes one, if desired when oil return pipe maintenance, only need dismounting oil return pipe, do not need to remove oil returning pipe joint part, can avoid the O-ring seals of oil returning pipe joint and deflector oil outlet junction to cause mechanical damage, and easy disassembly, efficiency of assembling is high, therefore, car hydrostatic steering system provided by the invention has good leak tightness and higher safety.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, will the accompanying drawing of required use in embodiment be briefly described below, and in connection with accompanying drawing, specific embodiments of the invention be described in further detail, wherein:
Fig. 1 is the structural representation of traditional high-pressure oil pipe joint;
Fig. 2 is the structural representation of traditional oil returning pipe joint;
The structural representation of the high-pressure oil pipe joint that Fig. 3 provides for the embodiment of the present invention;
The perforated bolt that Fig. 4 provides for the embodiment of the present invention and the structural representation of red copper metallic gasket '
High-pressure oil pipe joint and perforated bolt and metallic gasket assembly relation schematic diagram that Fig. 5 provides for the embodiment of the present invention;
High-pressure oil pipe joint and deflector assembly relation schematic diagram that Fig. 6 provides for the embodiment of the present invention;
The oil returning pipe joint schematic diagram that Fig. 7 provides for the embodiment of the present invention;
The oil returning pipe joint that Fig. 8 provides for the embodiment of the present invention and oil return pipe turn to join and are related to schematic diagram;
Oil returning pipe joint and deflector assembly relation schematic diagram that Fig. 9 provides for the embodiment of the present invention.
Wherein the description of reference numerals in upper figure is:
1 '-high pressure fuel pipe, 2 '-high pressure fuel pipe pier nose bolt, 3 '-oil return pipe, 4 '-oil return pipe pier nose bolt, 5 '-O-ring seals;
1-deflector oil inlet, 2-deflector oil outlet, 3-high pressure fuel pipe, 4-oil return pipe, 5-joint body, 6-oil returning pipe joint, 7-perforated bolt, 8-metallic gasket, 9-O shape seal ring, 10-elastic hoop;
51-through hole, 52-goes out oil groove, 53-the first end face, 54-the second end face;
61-pier nose bolt, 62-connector; 62a-positive stop lug boss;
71-blind hole, 72-oilhole.
Detailed description of the invention
In order to make those skilled in the art to understanding better technical scheme of the present invention, below in conjunction with specific embodiment, technical scheme of the present invention is done to introduce further.
The car hydrostatic steering system that the embodiment of the present invention provides, the high pressure fuel pipe 3 that comprises deflector, be connected with deflector oil inlet 1 and the oil return pipe 4 being connected with deflector oil outlet 2, and, described high pressure fuel pipe 3 is connected with described deflector oil inlet 1 by the high-pressure oil pipe joint of built-in oil circuit, and the junction of described high-pressure oil pipe joint and described deflector oil inlet 1 is provided with metallic gasket 8; Described oil return pipe 4 is connected with described deflector oil outlet 2 by oil returning pipe joint 6, and described oil returning pipe joint 6 is provided with O-ring seals 9 with the junction of described deflector oil outlet 2, and described oil returning pipe joint 6 and the described deflector formula structure that becomes one.
Compared with prior art, described high pressure fuel pipe 3 is connected with described deflector oil inlet 1, no longer adopt pier nose bolt to coordinate the seal form of O-ring seals, the high-pressure oil pipe joint of built-in oil circuit plays the effect being connected and fixed with oil circuit conducting, by the design of built-in oil circuit and in junction, metallic gasket is set, ensures leak tightness preferably, anti-stop turns the leakage of liquid, thereby save the use of O-ring seals, avoid, because O-ring seals is aging and mechanical damage, causing the problem of seal failure; Simultaneously, oil return pipe 4 is connected with described deflector oil outlet 2 by oil returning pipe joint 6, and described oil returning pipe joint 6 is provided with O-ring seals 9 with described deflector oil outlet 2 junctions, and by described oil returning pipe joint 6 and the described deflector formula structure that becomes one, if when described oil return pipe 4 needs repairing, only need the described oil return pipe 4 of dismounting, do not need to remove described oil returning pipe joint 6, can avoid the O-ring seals 9 of junction to cause mechanical damage, affect sealing effectiveness.Therefore, this car hydrostatic steering system has better leak tightness and stability.
In embodiments of the invention specific implementation process, described high-pressure oil pipe joint can be the thread rod structure of built-in oil circuit, and its one end is connected with described high pressure fuel pipe 3 screw threads for fastening, and the other end is connected with described deflector import 1 screw threads for fastening; The oil circuit inlet edge of described deflector oil inlet 1 is connected on described built-in oil circuit wall around, and cooperation is adjacent to, and be provided with described metallic gasket 8 in the junction of high-pressure oil pipe joint and described high pressure fuel pipe 3, thereby ensure good leak tightness, anti-stop turns liquid and reveals.
Preferably, high-pressure oil pipe joint described in the present embodiment adopts following structure: described high-pressure oil pipe joint comprises joint body 5 and offers the perforated bolt 7 of blind hole 71 along bolt shank axis direction, on described joint body 5, offer through hole 51, the entrance point of described through hole 51, exit end are equipped with described metallic gasket 8, and its inwall is provided with out oil groove 52, described joint body 5 is provided with fuel feed hole with the connectivity port of described high pressure fuel pipe 3, and described fuel feed hole with described in go out oil groove 52 and communicate; Described perforated bolt 7 is connected with described deflector oil inlet 1 through described through hole 51 and described metallic gasket 8, on bolt shank bar wall, offer the oilhole 72 that runs through described bolt shank, and described oilhole 72, described blind hole 71, described deflector oil inlet 1 are communicated with successively.
Particularly, described joint body 5 can be the structure of the forms such as cylinder, square, corner block, diamond block.
Moving turn liquid flow through successively described high pressure fuel pipe 3, described fuel feed hole, described in go out oil groove 52, described oilhole 72, described blind hole 71 and described deflector oil inlet 1, by coordinating of described joint body 5 and described perforated bolt 7 interior oil circuits, the moving liquid that turns has been played to the effect of leading, and the import and export end of described through hole 5 all arranges described metallic gasket 8, the axial force that described perforated bolt 7 is threaded connection ensures that described metallic gasket 8, described joint body 5 are adjacent to and coordinate with described deflector oil inlet 1 ".Ensure to there is leak tightness preferably in the junction of high-pressure oil pipe joint and described deflector oil inlet 1, simultaneously easy to connect, the reliable in structure of joint.
Further, described in the oil-feed area of described oilhole 72 is less than, go out the fuel-displaced area of oil groove 52, make moving turn liquid from described joint body 5 to the mobile process of described perforated bolt 7, there is larger pressure, ensure that the moving liquid that turns flows smooth and easy.
Described oilhole 72 is preferably designed for waist shaped hole, in the case of ensure that identical oil-feed area, waist shaped hole is more convenient for processing, and can effectively ensure the intensity of bolt shank on bolt shank.
In another preferred embodiment, described joint body 5 is designed to " drum " shape, described through hole 51, along the axis direction setting of " drum ", be communicated with the first end face 53 and second end face 54 of " drum " shape joint body, and be adjacent to described the first end face 53 and described the second end face 54 is respectively equipped with metallic gasket 8; Described " drum " shape joint body has good intensity, and the setting of convenient processing and described through hole 51, is convenient to the connection of described perforated bolt 7, and is conducive to ensure the volume of less joint body; Further, because described the first end face 53 and described the second end face 54 are plane, can coordinate preferably with metallic gasket 8, strengthen the fastening effect of described perforated bolt 7.
Described metallic gasket 8 can be red copper metallic gasket, has that resistance to abrasion is good, working accuracy and an advantage such as assembly precision is high, stress deformation is little.
The described oil returning pipe joint 6 providing in the embodiment of the present invention is connecting devices of described deflector and described oil return pipe 4, formed by two kinds of common joints, comprise the pier nose bolt 61 being connected with described deflector oil outlet 2 and the connector 62 being connected with described oil return pipe 4, described O-ring seals 9 is positioned at described pier nose bolt 61 and deflector junction, described pier nose bolt 61 is connected with the negative thread of described deflector oil outlet 2 by outside thread, the axial force that formation is threaded, and described O RunddichtringO 9 is pressed on the boss of deflector oil outlet inwall, described O-ring seals is because of interference fit, stress deformation and produce sealing effectiveness.
The connection mode that is connected to common hard tube and flexible pipe of described connector 62 one end and described oil return pipe 4, described connector 62 assembles by the suitable magnitude of interference with described oil return pipe 4, assembled the rear elastic hoop 10 of using fixing, and described elastic hoop 10 is undertaken by two groups of positive stop lug boss 62a on described connector 62 spacing.
Described oil returning pipe joint 6 is integrated in described deflector, supplies together with deflector, and when assembling, only need be by described oil return pipe 4 and described oil returning pipe joint 6 interference fit, then fixing with described elastic hoop 10, convenient, fast, production efficiency is high; When maintenance, also only described oil return pipe 4 need be removed from described oil returning pipe joint 6, be avoided described O-ring seals 9 to cause mechanical damage.
In addition, compared with prior art, the hard tube segment length at oil returning pipe joint place obviously shortens, and has saved the cost of hard tube.
Describe structure of the present invention, feature and action effect in detail according to the embodiment shown in graphic above; the foregoing is only preferred embodiment of the present invention; but the present invention does not limit practical range with shown in drawing; every change of doing according to conception of the present invention; or be revised as the equivalent embodiment of equivalent variations; when not exceeding yet specification sheets and illustrating contain spiritual, all should be in protection scope of the present invention.
Claims (8)
1. a car hydrostatic steering system, the high pressure fuel pipe (3) that comprises deflector, be connected with deflector oil inlet (1) and the oil return pipe (4) being connected with deflector oil outlet (2), it is characterized in that, described high pressure fuel pipe (3) is connected with described deflector oil inlet (1) by the high-pressure oil pipe joint of built-in oil circuit, and the junction of described high-pressure oil pipe joint and described deflector oil inlet (1) is provided with metallic gasket (8); Described oil return pipe (4) is connected with described deflector oil outlet (2) by oil returning pipe joint (6), the junction of described oil returning pipe joint (6) and described deflector oil outlet (2) is provided with O-ring seals (9), and described oil returning pipe joint (6) and the described deflector formula structure that becomes one.
2. car hydrostatic steering system according to claim 1, it is characterized in that, described high-pressure oil pipe joint comprises joint body (5) and offers the perforated bolt (7) of blind hole (71) along bolt shank axis direction, on described joint body (5), offer through hole (51), the entrance point of described through hole (51), exit end is equipped with described metallic gasket (8), and the inwall of described through hole (51) is provided with out oil groove (52), described joint body (5) is provided with fuel feed hole with the connectivity port of described high pressure fuel pipe (3), and described fuel feed hole with described in go out oil groove (52) and communicate, described perforated bolt (7) is connected with described deflector oil inlet (1) through described through hole (51) and described metallic gasket (8), on bolt shank bar wall, offer the oilhole (72) that runs through described bolt shank, and described oilhole (72), described blind hole (71), described deflector oil inlet (1) are communicated with successively.
3. car hydrostatic steering system according to claim 2, is characterized in that, goes out the fuel-displaced area of oil groove (52) described in the oil-feed area of described oilhole (72) is less than.
4. car hydrostatic steering system according to claim 3, is characterized in that, described oilhole (72) is waist shaped hole.
5. car hydrostatic steering system according to claim 4, it is characterized in that, described joint body (5) is " drum " shape, described through hole (51) is along the axis direction setting of " drum ", be communicated with the first end face (53) and second end face (54) of " drum " shape joint body, and be adjacent to described the first end face (53) and described the second end face (54) is respectively equipped with described metallic gasket (8).
6. according to the car hydrostatic steering system described in any one in claim 1～5, it is characterized in that, described metallic gasket (8) is red copper pad.
7. car hydrostatic steering system according to claim 1, it is characterized in that, described oil returning pipe joint (6) comprises the pier nose bolt (61) being connected with described deflector oil outlet (2) and the connector (62) being connected with described oil return pipe (4).
8. car hydrostatic steering system according to claim 7, it is characterized in that, it is upper that described oil return pipe (4) is fixed on described connector (62) by elastic hoop (10), and described connector (62) is provided with two groups described elastic hoop (10) is carried out to spacing positive stop lug boss (62a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410361172.1A CN104071220A (en) | 2014-07-25 | 2014-07-25 | Automobile hydraulic steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410361172.1A CN104071220A (en) | 2014-07-25 | 2014-07-25 | Automobile hydraulic steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104071220A true CN104071220A (en) | 2014-10-01 |
Family
ID=51592920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410361172.1A Pending CN104071220A (en) | 2014-07-25 | 2014-07-25 | Automobile hydraulic steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104071220A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179419A (en) * | 2015-09-11 | 2015-12-23 | 河南航天精工制造有限公司 | Sealing bolt and installing structure using sealing bolt |
| CN113135227A (en) * | 2021-05-27 | 2021-07-20 | 奇瑞汽车股份有限公司 | Hydraulic steering gear adapter, hydraulic steering gear and automobile |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3537502A1 (en) * | 1985-10-22 | 1987-04-23 | Audi Ag | Plug-in connection for high-pressure line connections |
| KR0184428B1 (en) * | 1996-09-12 | 1999-04-01 | 기아자동차주식회사 | Pipe connection device for power steering pump |
| CN201517667U (en) * | 2009-09-25 | 2010-06-30 | 湖北三环汽车方向机有限公司 | Oil pipe joint sealing mechanism of hydraulic power steering gear |
| CN202791047U (en) * | 2012-08-23 | 2013-03-13 | 浙江吉利汽车研究院有限公司杭州分公司 | Novel oil pipe joint |
| CN202966412U (en) * | 2012-10-31 | 2013-06-05 | 浙江吉利汽车研究院有限公司杭州分公司 | Automobile power steering pump structure |
| CN203402235U (en) * | 2013-07-19 | 2014-01-22 | 北京汽车研究总院有限公司 | Steering oil pipe assembling and positioning structure and vehicle |
-
2014
- 2014-07-25 CN CN201410361172.1A patent/CN104071220A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3537502A1 (en) * | 1985-10-22 | 1987-04-23 | Audi Ag | Plug-in connection for high-pressure line connections |
| KR0184428B1 (en) * | 1996-09-12 | 1999-04-01 | 기아자동차주식회사 | Pipe connection device for power steering pump |
| CN201517667U (en) * | 2009-09-25 | 2010-06-30 | 湖北三环汽车方向机有限公司 | Oil pipe joint sealing mechanism of hydraulic power steering gear |
| CN202791047U (en) * | 2012-08-23 | 2013-03-13 | 浙江吉利汽车研究院有限公司杭州分公司 | Novel oil pipe joint |
| CN202966412U (en) * | 2012-10-31 | 2013-06-05 | 浙江吉利汽车研究院有限公司杭州分公司 | Automobile power steering pump structure |
| CN203402235U (en) * | 2013-07-19 | 2014-01-22 | 北京汽车研究总院有限公司 | Steering oil pipe assembling and positioning structure and vehicle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179419A (en) * | 2015-09-11 | 2015-12-23 | 河南航天精工制造有限公司 | Sealing bolt and installing structure using sealing bolt |
| CN105179419B (en) * | 2015-09-11 | 2018-09-21 | 河南航天精工制造有限公司 | A kind of sealing bolt and the mounting structure using the sealing bolt |
| CN113135227A (en) * | 2021-05-27 | 2021-07-20 | 奇瑞汽车股份有限公司 | Hydraulic steering gear adapter, hydraulic steering gear and automobile |
| CN113135227B (en) * | 2021-05-27 | 2022-05-03 | 奇瑞汽车股份有限公司 | Hydraulic steering gear adapter, hydraulic steering gear and automobile |
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| CB02 | Change of applicant information |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: Anhui Jianghuai Automotive Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141001 |