CN103481942A - Steering gear of automobile - Google Patents
Steering gear of automobile Download PDFInfo
- 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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- steering device
- oil
- automobile steering
- sprocket hole
- holding part
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Abstract
The invention discloses a steering gear of an automobile. The steering gear comprises a steering gear body and a throttle valve. An oil inlet hole and an oil outlet hole are formed in the steering gear body, the throttle valve comprises an adjusting shell, a pushing assembly, an adjusting valve and a spring, the pushing assembly is configured in the adjusting shell, an oil inlet delivery hole and an oil outlet delivery hole are formed in the adjusting shell, the oil inlet delivery hole is communicated with the oil outlet hole, the adjusting valve is positioned in a communication channel between the oil inlet delivery hole and the oil outlet delivery hole, and two ends of the adjusting valve are respectively abutted to the pushing assembly and the spring. The invention further provides a keyless entry starting method for the automobile. The steering gear of the automobile and the keyless entry starting method have the advantage that steering fluctuation and steering noise can be prevented.
Description
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.
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.
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.
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310446664.6A CN103481942B (en) | 2013-09-26 | 2013-09-26 | Automobile steering device |
Applications Claiming Priority (1)
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CN201310446664.6A CN103481942B (en) | 2013-09-26 | 2013-09-26 | Automobile steering device |
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CN103481942A true CN103481942A (en) | 2014-01-01 |
CN103481942B CN103481942B (en) | 2017-06-06 |
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CN201310446664.6A Active CN103481942B (en) | 2013-09-26 | 2013-09-26 | Automobile steering device |
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Citations (7)
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 unit |
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 |
-
2013
- 2013-09-26 CN CN201310446664.6A patent/CN103481942B/en active Active
Patent Citations (7)
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 unit |
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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CN103481942B (en) | 2017-06-06 |
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