CN103481942A - Steering gear of automobile - Google Patents

Steering gear of automobile Download PDF

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Publication number
CN103481942A
CN103481942A CN201310446664.6A CN201310446664A CN103481942A CN 103481942 A CN103481942 A CN 103481942A CN 201310446664 A CN201310446664 A CN 201310446664A CN 103481942 A CN103481942 A CN 103481942A
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China
Prior art keywords
steering device
automobile steering
oil
sprocket hole
holding part
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Granted
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CN201310446664.6A
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Chinese (zh)
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CN103481942B (en
Inventor
李宇纬
刘巍
潘之杰
冯擎峰
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Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
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Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
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Priority to CN201310446664.6A priority Critical patent/CN103481942B/en
Publication of CN103481942A publication Critical patent/CN103481942A/en
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Abstract

一种汽车转向器，其包括转向器本体，所述转向器本体上设有进油孔及出油孔。所述汽车转向器还包括节流阀，所述节流阀包括调节壳体、配置于所述调节壳体内的抵推组件、调节阀及弹簧，所述调节壳体上设有进油输送孔和出油输送孔，所述进油输送孔与所述出油孔连通，所述调节阀位于所述进油输送孔和所述出油输送孔间的流通通道内，所述调节阀的两端分别与所述抵推组件及所述弹簧抵持。本发明还提供一种用于车辆的车用无钥匙进入启动方法。本发明的汽车转向器可避免转向波动及转向噪音。

Figure 201310446664

An automobile steering gear, which includes a steering gear body, and an oil inlet hole and an oil outlet hole are arranged on the steering gear body. The automobile steering gear also includes a throttle valve, and the throttle valve includes an adjustment housing, a thrust assembly disposed in the adjustment housing, an adjustment valve and a spring, and the adjustment housing is provided with an oil inlet delivery hole and the oil outlet delivery hole, the oil inlet delivery hole communicates with the oil outlet delivery hole, the regulating valve is located in the flow passage between the oil inlet delivery hole and the oil outlet delivery hole, the two sides of the regulation valve The ends are respectively resisted by the resisting component and the spring. The invention also provides a keyless entry and starting method for a vehicle. The automobile steering gear of the invention can avoid steering fluctuation and steering noise.

Figure 201310446664

Description

Automobile steering device
Technical field
The present invention relates to technical field of automobile parts, particularly about a kind of automobile steering device.
Background technology
Along with economic fast development, automobile has become the indispensable vehicle in people's life.Automobile steering device is the important component part of automobile, and its radical function is change the travel direction of automobile and make the straight-line travelling that it is fixed that automotive keeps steady.The power element that deflector is the steering swivel system hydraulic booster, it is mainly the rotation of steering handwheel to be become to the swing of straight-line motion or the pitman arm of rack shaft, reduces kinematic velocity, increases steering torque and changes the rotation direction of steering torque.
A kind of existing rack-gear type automobile steering device mainly comprises input shaft assembly, housing and tooth bar, and the input shaft assembly is located on housing, and tooth bar is arranged in the cavity of housing, the gear engagement of tooth bar and input shaft assembly.The input shaft assembly is provided with fuel feed hole and oil outlet, and when starting vehicle, fluid enters in housing from fuel feed hole, and is assigned to oil cylinder, and after finishing a circulation, fluid flows out from oil outlet.Yet, due to oil-feed and fuel-displaced oil liquid pressure poor larger, cause automobile in the Turning travel process, produce and turn to noise and turn to fluctuation.
Summary of the invention
The object of the invention is to provide a kind of automobile steering device, can avoid turning to fluctuation and turn to noise.
For reaching above-mentioned advantage, the invention provides a kind of automobile steering device, it comprises the deflector body, described deflector body is provided with fuel feed hole and oil outlet.Described automobile steering device also comprises flow regulating valve, described flow regulating valve comprises adjustment housings, be disposed at and push assembly, control cock and spring in described adjustment housings, described adjustment housings is provided with oil-feed sprocket hole and fuel-displaced sprocket hole, described oil-feed sprocket hole is communicated with described oil outlet, described control cock is positioned at the circulation passage between described oil-feed sprocket hole and described fuel-displaced sprocket hole, and the two ends of described control cock push assembly and described spring supports with described respectively.
In one embodiment of the invention, described while pushing the motion of the described control cock of components drive, described control cock changes the sectional area of the circulation passage between described oil-feed sprocket hole and described fuel-displaced sprocket hole, to regulate flow and the pressure of fluid.
In one embodiment of the invention, the described assembly that pushes comprises control hand wheel, locking piece and push rod, described control hand wheel and described locking piece screw thread fit, and the two ends of described push rod support with described control hand wheel and described push rod respectively.
In one embodiment of the invention, described control hand wheel comprises wheel body and is convexly set in the body of rod of described wheel body below, the described body of rod and described locking piece screw thread fit, and be held in described push rod.
In one embodiment of the invention, described flow regulating valve also comprises end cap, and described end cap arrangement is in an end relative with described control hand wheel of described adjustment housings, and supports with described spring.
In one embodiment of the invention, the position at described oil-feed sprocket hole place is higher than the position at described fuel-displaced sprocket hole place.
In one embodiment of the invention, described deflector body comprises input shaft assembly, housing, oil cylinder and tooth bar, described housing comprises the first holding part and the second holding part that is connected and connects with described the first holding part, described oil cylinder is assemblied in an end of described the second holding part, described input shaft assembly is provided with gear, described input shaft assembly is inserted in described the first holding part, and described tooth bar is inserted in described oil cylinder and described the second holding part, described gear and the engagement of described tooth bar.
In one embodiment of the invention, described deflector body also comprises the first pressure oil pipe and the second pressure oil pipe, and described the first pressure oil pipe and described the second pressure oil pipe all are connected between described the first holding part and described oil cylinder.
In one embodiment of the invention, described deflector body also comprises hold-down mechanism, and described the second holding part is provided with the compression installation portion, and described hold-down mechanism is assemblied on described compression installation portion, for compressing described tooth bar.
In one embodiment of the invention, described hold-down mechanism comprises compressing member, spring and lid, described compressing member is located in described compression installation portion and is positioned at a side of described tooth bar, described lid is located at the end of described compression installation portion, be formed with holding tank between described lid and described compressing member, described spring is disposed in described holding tank, and two ends support with described compressing member and described lid respectively.
In automobile steering device of the present invention, because control cock is positioned at the circulation passage between oil-feed sprocket hole and fuel-displaced sprocket hole, and the two ends of control cock are respectively at pushing assembly and spring supports, so the position of control cock can adjust, control cock can change the sectional area of the circulation passage between oil-feed sprocket hole and fuel-displaced sprocket hole, to regulate flow and the pressure of fluid, realize that input oil pressure and the output oil pressure of automobile steering device is unanimous on the whole, thereby can avoid turning to fluctuation and turn to noise.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification sheets, and for above and other objects of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and the cooperation accompanying drawing, be described in detail as follows.
The accompanying drawing explanation
Figure 1 shows that the perspective exploded view of deflector body of the automobile steering device of the embodiment of the present invention.
Figure 2 shows that the assembling schematic diagram of the automobile steering device of the embodiment of the present invention.
Figure 3 shows that the perspective exploded view of flow regulating valve of the automobile steering device of Fig. 2.
Figure 4 shows that the generalized section of the automobile steering device of Fig. 2.
The specific embodiment
Reach for further setting forth the present invention technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to foundation, the present invention proposes the specific embodiment, structure, feature and effect thereof, is described in detail as follows.
Figure 1 shows that the perspective exploded view of deflector body of the automobile steering device of the embodiment of the present invention.Figure 2 shows that the assembling schematic diagram of the automobile steering device of the embodiment of the present invention.It should be noted that, for convenience of description for the purpose of, omit in Fig. 1 and Fig. 2 and illustrate hold-down mechanism.Refer to Fig. 1 and Fig. 2, the automobile steering device 10 of the present embodiment comprises steering shaft body 101 and flow regulating valve 17, and wherein, steering shaft body 101 comprises input shaft assembly 11, housing 12, oil cylinder 13, tooth bar 14, the first pressure oil pipe 15 and the second pressure oil pipe 16.Input shaft assembly 11 is located on housing 12, and oil cylinder 13 is connected in an end of housing 12, and tooth bar 14 is inserted in the cavity of housing 12 and oil cylinder 13.The first pressure oil pipe 15 and the second pressure oil pipe 16 all are communicated with housing 12.
Input shaft assembly 11 is provided with gear 112, housing 12 comprise the first holding part 122 and with the first holding part 122, be connected and the second holding part 123, the first holding parts 122 of connecting with respect to the certain angle of the second holding part 123 inclination.Be provided with the first cavity 122a in the first holding part 122, be provided with the second cavity 123a in the second holding part 123.Input shaft assembly 11 is inserted in the first cavity 122a of described the first holding part 122.Also offer fuel feed hole 122b, oil outlet 122c, the first oil pipe connecting bore 122d and the second oil pipe connecting bore 122e on the sidewall of the first holding part 122, fuel feed hole 122b and oil outlet 122c are spaced a distance, and the inside by housing 12 is connected, after the fluid pressurization, can enter housing 12 from fuel feed hole 122b.The first oil pipe connecting bore 122d is for the first pressure oil pipe 15, installing and be connected, and the second oil pipe connecting bore 122e is for installing and be connected with the second pressure oil pipe 16.
The second holding part 123 is connected with the inside of the first holding part 122, and the second holding part 123 is provided with and compresses installation portion 123b, compress on installation portion 123b and offer through hole, and with the second holding part 123 internal communication.It should be noted that, automobile steering device 10 also comprises that hold-down mechanism 18(is referring to Fig. 4), hold-down mechanism 18 is installed on and compresses installation portion 123b above, for compressing tooth bar 14.
Oil cylinder 13 is assemblied in an end of the second holding part 123, and is communicated with the second holding part 123.Oil cylinder 13 is provided with the first oil pipe assembly opening 131 and the second oil pipe assembly opening 132.The two ends of the first pressure oil pipe 15 are installed on respectively in the first oil pipe connecting bore 122d and the first oil pipe assembly opening 131, and the two ends of the second pressure oil pipe 16 are installed on respectively in the second oil pipe connecting bore 122e and the second oil pipe assembly opening 132.The fluid that flows into housing 12 from fuel feed hole 122b can be according to turning to demand to be assigned to oil cylinder 13 from the first pressure oil pipe 15 or the second pressure oil pipe 16, after finishing a circulation, fluid flows to the oil outlet 122c of housing 12 from the first pressure oil pipe 15 or the second pressure oil pipe 16.
Tooth bar 14 is inserted in oil cylinder 13 and the second holding part 123, and tooth bar 14 is provided with the dentalation that can mesh with the gear 112 of input shaft assembly 11, gear 112 and tooth bar 14 engagements.The first pressure oil pipe 15 and the second pressure oil pipe 16 all are connected between the first holding part 122 and oil cylinder 13, and the first pressure oil pipe 15 and the second pressure oil pipe 16 are crooked body, for delivery of fluid.
Figure 3 shows that the perspective exploded view of flow regulating valve of the automobile steering device of Fig. 2.Figure 4 shows that the generalized section of the automobile steering device of Fig. 2.Refer to Fig. 3 and Fig. 4, flow regulating valve 17 comprises adjustment housings 174, is disposed at and pushes assembly 170, control cock 175, spring 176 and end cap 177 in adjustment housings 174 successively.Adjustment housings 174 is provided with oil-feed sprocket hole 174a and fuel-displaced sprocket hole 174b, oil-feed sprocket hole 174a with oil outlet 122c(referring to Fig. 1) be communicated with, control cock 175 is positioned at the circulation passage between oil-feed sprocket hole 174a and fuel-displaced sprocket hole 174b, the two ends of control cock 175 respectively with push assembly 170 and spring 176 supports.
Particularly, push assembly 170 and comprise control hand wheel 171, locking piece 172 and push rod 173.Control hand wheel 171 comprises wheel body 171a and is convexly set in the body of rod 171b of wheel body 171a below, and wheel body 171a controls for personnel's manual hold, and body of rod 171b is provided with outside thread, for coordinating with locking piece 172.
Locking piece 172 is jam nut, and its inside offers tapped bore 172b, body of rod 171b can with tapped bore 172b screw thread fit, and be held in push rod 173.Push rod 173 is roughly cylindrical-shaped structure, and it is cross along the cross-sectional plane on the direction that parallels to the axis.Push rod 173 has first end 173a and the second end 173b relative with first end 173a, and first end 173a is for supporting body of rod 171b, and the second end 173b is for supporting control cock 175.
Adjustment housings 174 is roughly the cylindrical-shaped structure of hollow, its sidewall is provided with oil-feed sprocket hole 174a and fuel-displaced sprocket hole 174b, oil-feed sprocket hole 174a is connected and is communicated with the oil outlet 122c on housing 12, and the position at oil-feed sprocket hole 174a place is higher than the position at fuel-displaced sprocket hole 174b place.
Control cock 175 appearance profiles are roughly bowl structure, and it comprises bottom 175a and spring support division 175b, and the cross-sectional area of bottom 175a is less than the cross-sectional area of spring support division 175b, and the second end 173b of bottom 175a and push rod 173 supports.Spring support division 175b is roughly solid semiglobe, and itself and spring 176 support.While pushing assembly 170 promotion control cock 175 motion, control cock 175 can change the sectional area of the circulation passage between oil-feed sprocket hole 174a and fuel-displaced sprocket hole 174b, to regulate flow and the pressure of fluid.
End cap 177 is disposed at an end relative with control hand wheel 171 of adjustment housings 174, and end cap 177 parts are inserted in adjustment housings 174, and end cap 177 supports with spring 176.It should be noted that end cap 177 can omit, and directly the port relative with control hand wheel 171 of adjustment housings 174 sealed.
The compression installation portion 123b that hold-down mechanism 18 is assemblied in the second holding part 123 of housing 12 goes up, for compressing tooth bar 14.Hold-down mechanism 18 comprises compressing member 181, spring 182 and lid 183, and compressing member 181 is located at a side that compresses in installation portion 123b and be positioned at tooth bar 14.Lid 183 is located at the end that compresses installation portion 123b, and its part is positioned at compression installation portion 123b.Be formed with holding tank 183a between lid 183 and compressing member 181, spring 182 is disposed in holding tank 183a, and two ends support with compressing member 181 and lid 183 respectively, under the elastic force effect of spring 182, compressing member 181 can compress tooth bar 14, so that tooth bar 14 and gear 112 engagements.
During assembling, refer to Fig. 1, input shaft assembly 11 can be inserted in the first holding part 122 of housing 12, make oil cylinder 13 be connected in the end of the second holding part 123 of housing 12, the first pressure oil pipe 15 and the second pressure oil pipe 16 are connected between the first holding part 122 and oil cylinder 13, tooth bar 14 is inserted in the second holding part 123 and oil cylinder 13, hold-down mechanism 18 is assemblied in and compresses installation portion 123b above, make hold-down mechanism 18 that tooth bar 14 is compressed.Then, the adjustment housings of flow regulating valve 17 174 is connected in to the oil outlet 122c of housing 12, and oil-feed sprocket hole 174a is communicated with oil outlet 122c.
When starting vehicle, refer to Fig. 2 and Fig. 4, enter housing 12 from fuel feed hole 122b after turning to the fluid pressurization, fluid is according to turning to demand to be assigned to oil cylinder 13 from the first pressure oil pipe 15 or the second pressure oil pipe 16, after finishing a circulation, fluid flows to the oil outlet 122c of housing 12 from the first pressure oil pipe 15 or the second pressure oil pipe 16, fluid flows into the oil-feed sprocket hole 174a of flow regulating valve 17 from oil outlet 122c, the user can adjust by rotating control hand wheel 171 position of control cock 175, control cock 175 can change the sectional area of the circulation passage between oil-feed sprocket hole 174a and fuel-displaced sprocket hole 174b, to regulate flow and the pressure of fluid.The flow of fluid and pressure flow out from fuel-displaced sprocket hole 174b after adjusting, thereby make the oil liquid pressure that enters automobile steering device 10 be substantially equal to from the oil liquid pressure of automobile steering device 10 outputs, because of poor excessive the turning to fluctuation and turning to the problem of noise to be solved of causing of oil pressure.The user can adjust according to the hobby of oneself position of flow regulating valve 17.
In sum, in automobile steering device of the present invention, because control cock is positioned at the circulation passage between oil-feed sprocket hole and fuel-displaced sprocket hole, and the two ends of control cock are respectively at pushing assembly and spring supports, so the position of control cock can adjust, control cock can change the sectional area of the circulation passage between oil-feed sprocket hole and fuel-displaced sprocket hole, to regulate flow and the pressure of fluid, input oil pressure and the output oil pressure of realizing automobile steering device are unanimous on the whole, thereby can avoid turning to fluctuation and turn to noise.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention, any those skilled in the art, within not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solution of the present invention content, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.

Claims (10)

1. an automobile steering device (10), it comprises deflector body (101), described deflector body (101) is provided with fuel feed hole (122b) and oil outlet (122c), it is characterized in that,
Described automobile steering device (10) also comprises flow regulating valve (17), described flow regulating valve (17) comprises adjustment housings (174), be disposed at and push assembly (170) in described adjustment housings (174), control cock (175) and spring (176), described adjustment housings (174) is provided with oil-feed sprocket hole (174a) and fuel-displaced sprocket hole (174b), described oil-feed sprocket hole (174a) is communicated with described oil outlet (122c), described control cock (175) is positioned at the circulation passage between described oil-feed sprocket hole (174a) and described fuel-displaced sprocket hole (174b), the two ends of described control cock (175) push assembly (170) and described spring (176) supports with described respectively.
2. automobile steering device as claimed in claim 1 (10), it is characterized in that: the described assembly (170) that pushes promotes described control cock (175) when motion, described control cock (175) changes the sectional area of the circulation passage between described oil-feed sprocket hole (174a) and described fuel-displaced sprocket hole (174b), to regulate flow and the pressure of fluid.
3. automobile steering device as claimed in claim 1 (10), it is characterized in that: the described assembly (170) that pushes comprises control hand wheel (171), locking piece (172) and push rod (173), described control hand wheel (171) and described locking piece (172) screw thread fit, the two ends of described push rod (173) support with described control hand wheel (171) and described push rod (173) respectively.
4. automobile steering device as claimed in claim 3 (10), it is characterized in that: described control hand wheel (171) comprises wheel body (171a) and is convexly set in the body of rod (171b) of described wheel body (171a) below, the described body of rod (171b) and described locking piece (172) screw thread fit, and be held in described push rod (173).
5. automobile steering device as claimed in claim 3 (10), it is characterized in that: described flow regulating valve (17) also comprises end cap (177), described end cap (177) is disposed at an end relative with described control hand wheel (171) of described adjustment housings (174), and supports with described spring (176).
6. automobile steering device as claimed in claim 1 (10), it is characterized in that: the position at described oil-feed sprocket hole (174a) place is higher than the position at described fuel-displaced sprocket hole (174b) place.
7. automobile steering device as claimed in claim 1 (10), it is characterized in that: described deflector body (101) comprises input shaft assembly (11), housing (12), oil cylinder (13) and tooth bar (14), described housing (12) comprises the first holding part (122) and the second holding part (123) that is connected and connects with described the first holding part (122), described oil cylinder (13) is assemblied in an end of described the second holding part (123), described input shaft assembly (11) is provided with gear (112), described input shaft assembly (11) is inserted in described the first holding part (122), described tooth bar (14) is inserted in described oil cylinder (13) and described the second holding part (123), described gear (112) and described tooth bar (14) engagement.
8. automobile steering device as claimed in claim 7 (10), it is characterized in that: described deflector body (101) also comprises the first pressure oil pipe (15) and the second pressure oil pipe (16), and described the first pressure oil pipe (15) and described the second pressure oil pipe (16) all are connected between described the first holding part (122) and described oil cylinder (13).
9. automobile steering device as claimed in claim 7 (10), it is characterized in that: described deflector body (101) also comprises hold-down mechanism (18), described the second holding part (123) is provided with and compresses installation portion (123b), it is upper that described hold-down mechanism (18) is assemblied in described compression installation portion (123b), for compressing described tooth bar (14).
10. automobile steering device as claimed in claim 9 (10), it is characterized in that: described hold-down mechanism (18) comprises compressing member (181), spring (182) and lid (183), described compressing member (181) is located in described compression installation portion (123b) and is positioned at a side of described tooth bar (14), described lid (183) is located at the end of described compression installation portion (123b), be formed with holding tank (183a) between described lid (183) and described compressing member (181), described spring (182) is disposed in described holding tank (183a), and two ends support with described compressing member (181) and described lid (183) respectively.
CN201310446664.6A 2013-09-26 2013-09-26 Automobile steering device Active CN103481942B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54100034A (en) * 1977-11-24 1979-08-07 Cam Gears Ltd Hydraulic system* auxiliary power steering system including such system* and method of reducing noises in same system
JPS57191165A (en) * 1981-05-15 1982-11-24 Nissan Motor Co Ltd Cylinder mounting construction for rack and pinion type power steering gear
JPS6118564A (en) * 1984-07-04 1986-01-27 Atsugi Motor Parts Co Ltd power steering device
KR20040051809A (en) * 2002-12-13 2004-06-19 주식회사 만도 A Valve Housing Stick To Cooling pin
CN2848669Y (en) * 2005-11-01 2006-12-20 浙江吉利汽车研究院有限公司 Power steering unit
CN202624349U (en) * 2012-01-13 2012-12-26 浙江吉利汽车研究院有限公司 Automotive hydraulic steering device
CN202896663U (en) * 2012-10-30 2013-04-24 浙江吉利汽车研究院有限公司杭州分公司 Rack pressing mechanism of automobile steering device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54100034A (en) * 1977-11-24 1979-08-07 Cam Gears Ltd Hydraulic system* auxiliary power steering system including such system* and method of reducing noises in same system
JPS57191165A (en) * 1981-05-15 1982-11-24 Nissan Motor Co Ltd Cylinder mounting construction for rack and pinion type power steering gear
JPS6118564A (en) * 1984-07-04 1986-01-27 Atsugi Motor Parts Co Ltd power steering device
KR20040051809A (en) * 2002-12-13 2004-06-19 주식회사 만도 A Valve Housing Stick To Cooling pin
CN2848669Y (en) * 2005-11-01 2006-12-20 浙江吉利汽车研究院有限公司 Power steering unit
CN202624349U (en) * 2012-01-13 2012-12-26 浙江吉利汽车研究院有限公司 Automotive hydraulic steering device
CN202896663U (en) * 2012-10-30 2013-04-24 浙江吉利汽车研究院有限公司杭州分公司 Rack pressing mechanism of automobile steering device

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