CN103122962B - Light steering hydro-pneumatic spring - Google Patents
Light steering hydro-pneumatic spring Download PDFInfo
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- CN103122962B CN103122962B CN201110370597.5A CN201110370597A CN103122962B CN 103122962 B CN103122962 B CN 103122962B CN 201110370597 A CN201110370597 A CN 201110370597A CN 103122962 B CN103122962 B CN 103122962B
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- cylinder barrel
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- splined shaft
- hydro
- pneumatic spring
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Abstract
The present invention relates to the hydro-pneumatic spring of vehicle suspension, specifically a kind of light steering hydro-pneumatic spring.This hydro-pneumatic spring comprises lidstock circle, lower guide pin bushing, piston packing, upper guide bush, cylinder barrel upper cover seal ring and jump ring under capping under oil-feed interface, steering arm, cylinder barrel upper cover, wear-resistant gasket, cylinder barrel, splined shaft, piston, cylinder barrel, piston bottom, cylinder barrel, described splined shaft is connected with piston by spline, is connected by spline with piston bottom simultaneously; Be connected by spline between steering arm with splined shaft, piston bottom is connected by welding mutually with between piston, and piston bottom is connected with wheel A8, and cylinder barrel is connected with vehicle frame A2 phase, the torque that steering arm produces passes to piston bottom by splined shaft and piston, thus realizes turning to of wheel A8.The present invention is a kind of simple and reasonable, namely has the light steering hydro-pneumatic spring of effect of elasticity, damping and guiding.
Description
Technical field
The present invention relates to the hydro-pneumatic spring of vehicle suspension, specifically a kind of light steering hydro-pneumatic spring, it is used on the small and medium-sized car such as offroad vehicle, passenger vehicle.
Background technique
The hydro-pneumatic spring that general vehicle uses has elasticity and damping function, also may have the function of Altitude control simultaneously, usually need separately establish guidance system to realize relative movement correct between wheel and vehicle frame (vehicle body).
The hydro-pneumatic spring being installed on deflecting roller must install steering system separately for realizing wheel steering, and this usually brings complex structure, difficult arrangement, the problems such as manufacture cost rising, more at some deflecting rollers, in the vehicle that wheelbase is longer, this layout is in the cards hardly.Meanwhile, steering system is installed and also can produces negative impact to the design of vehicle bearing space; The vehicle of general installation steering system is when wheel hop, and steering system part is beated thereupon, causes interference, thus forms the bad phenomenon of additional steering angle.
Summary of the invention
The object of the invention is to provide a kind of simple and reasonable, namely there is the effect of elasticity, damping and guiding, also possess the light steering hydro-pneumatic spring of the effect of Altitude control.
The object of the present invention is achieved like this, this hydro-pneumatic spring comprises this hydro-pneumatic spring and comprises lidstock circle, lower guide pin bushing, piston packing, upper guide bush, cylinder barrel upper cover seal ring and jump ring under capping under oil-feed interface, steering arm, cylinder barrel upper cover, wear-resistant gasket, cylinder barrel, splined shaft, piston, cylinder barrel, piston bottom, cylinder barrel, described splined shaft is connected with piston by spline, is connected by spline with piston bottom simultaneously; Be connected by spline between steering arm with splined shaft, piston bottom is connected by welding mutually with between piston, and piston bottom is connected with wheel A8, and cylinder barrel is connected with vehicle frame A2 phase, the torque that steering arm produces passes to piston bottom by splined shaft and piston, thus realizes turning to of wheel A8.
The present invention has the following advantages and good effect owing to adopting said structure:
1, the invention provides a kind of new light steering hydro-pneumatic spring structure, it, by disposed thereon and transmission of torque will not be turned to tire with the steering arm of wheel hop or other executive component (as oil hydraulic motor, actuating motor etc.), realizes wheel steering; Meanwhile, the hydro-pneumatic spring of wherein integrated setting makes it have the effect of elasticity, damping and guiding, also can possess the effect of Altitude control.Compact structure of the present invention, simple, integrated modular designs, and is easy to arrange, wide adaptability, is applicable to the vehicle that compound suspension is also applicable to pure hydro pneumatic suspension.
2, the steering torque that steering arm produces can be directly passed to piston bottom by hydro-pneumatic spring of the present invention, piston bottom is connected with tire, and cylinder barrel is connected mutually with vehicle frame (vehicle body), can realize tyre revolution to, do not need peripheral hardware steering system, slot milling maximizing vehicle bearing space; Integrated design makes suspension frame structure simple, and cost reduces, and easily arranges in vehicle.
Accompanying drawing explanation
Fig. 1 is light steering hydro-pneumatic spring overall structure schematic diagram.
Fig. 2 another embodiment of the present invention structural representation.
Another mode of execution structural representation of Fig. 3 the present invention.
The third mode of execution structural representation of Fig. 4 the present invention.
Fig. 5 is the using state reference drawing of suspension application in vehicle being provided with light steering hydro-pneumatic spring.
Embodiment
As shown in Figure 1, this light steering hydro-pneumatic spring comprises lidstock circle 10, lower guide pin bushing 11, piston packing 12, upper guide bush 13, cylinder barrel upper cover seal ring 14 and jump ring 15 under capping 8 under oil-feed interface 1, steering arm 2, cylinder barrel upper cover 3, wear-resistant gasket 4, cylinder barrel 5, splined shaft 6, piston 7, cylinder barrel, piston bottom 9, cylinder barrel, described splined shaft 6 is connected with piston 7 by spline, is connected by spline with piston bottom 9 simultaneously; Being connected by spline between steering arm 2 with splined shaft 6, being connected mutually by welding between piston bottom 9 with piston 7; The steering torque that steering arm 2 produces can be directly passed to piston bottom 9 by structure like this, piston bottom 9 is connected with tire, and cylinder barrel 5 is connected mutually with vehicle frame (vehicle body), can realize tyre revolution to, do not need peripheral hardware steering system, slot milling maximizing vehicle bearing space; Integrated design makes suspension frame structure simple, and cost reduces, and easily arranges in vehicle.
Described steering arm 2 is connected with splined shaft 6 by spline, steering arm 2 by produce transmission of torque to splined shaft 6; Adopt jump ring 15 to limit the relative position of splined shaft 6 and cylinder barrel upper cover 3, be provided with wear-resistant gasket 4 between the boss on cylinder barrel upper cover 3 and splined shaft 6, avoid both directly contact frictions; Cylinder barrel upper cover 3 is fixed on the boss of cylinder barrel 5 under oil pressure effect; Cylinder barrel upper cover 3 is provided with cylinder barrel upper cover seal ring 14, and itself and piston 7 form a cavity A, and piston 7 is provided with piston packing 12; Piston 7 and splined shaft 6, between the two can transmitting torques mutually by spline joint, and while can slide mutually along the axis of splined shaft 6; Being connected mutually by welding between piston 7 with piston bottom 9, forming another cavity B; Cavity A is connected with cavity B formation airtight oil pocket by multiple oil duct b that piston 7 head is arranged, and cavity A to be connected with the accumulator of peripheral hardware to form hydro-pneumatic spring by being arranged on oilhole c in splined shaft 6 and oil-feed interface 1; Be connected mutually by welding between capping 8 with cylinder barrel 5 under cylinder barrel, under cylinder barrel, capping 8 is provided with lidstock circle 10 under cylinder barrel, prevents the fluid of seepage to be exposed to the external world; The oil of seepage is flowed out by the oilhole a be arranged on cylinder barrel; Upper guide bush 13 is arranged at the head of piston 7, and lower guide pin bushing 11 is arranged under cylinder barrel in capping 8, and both form the guidance system of apparatus of the present invention jointly, play antiwear and reducing friction simultaneously.Cylinder barrel 5 is connected with vehicle frame (vehicle body) mutually by the connecting base 16 that it is arranged, and piston bottom 9 is connected with wheel, and steering arm 2 promotes splined shaft 6 and rotates, and drives piston 7 and piston bottom 9 to rotate, thus realizes turning to of wheel.
Fig. 2 is the another kind of mode of execution of light steering hydro-pneumatic spring of the present invention, and wherein piston 7 head is without oilhole, is connected, is applicable to the structure that size is less between cavity A with cavity B by the through hole c in splined shaft 6.
Fig. 3 is another mode of execution of light steering hydro-pneumatic spring of the present invention, and what wherein pass to tire turns to torque by other executive component 2(as oil hydraulic motor, actuating motor etc.) produce, apply more flexible.
Fig. 4 is the third mode of execution of light steering hydro-pneumatic spring of the present invention, and be provided with thrust-bearing between the boss wherein on cylinder barrel upper cover 3 and splined shaft 6, frictional force is less.
As shown in Figure 5, what the figure shows is utilize the present invention as the suspension system of constituent element, is made up of light steering hydro-pneumatic spring A1, vehicle frame (vehicle body) A2, bi-bit bi-pass selector valve A3, variable damper valve A4, gas-filled type accumulator A5, electric oil pump A6, oil sources A7 and wheel A8.Can steering oil air spring A1, variable damper valve A4 and the typical complete hydro-pneumatic spring of gas-filled type accumulator A5 formation.
By controlling the on off state of bi-bit bi-pass selector valve A3, the rigidity and tenderness realizing suspension switches; Variable damper valve A4 realizes the damping characteristic of suspension; In gas-filled type accumulator A5, the elasticity of nitrogen realizes the stiffness characteristics of suspension; The guide movement of suspension is by ensureing, without the need to peripheral hardware suspension guide mechanism by steering oil air spring A1.
Can the cylinder barrel 5(of steering oil air spring A1 as Fig. 1) be connected with vehicle frame (vehicle body) A2 phase, wheel A8 and piston bottom 9(are as Fig. 1) be connected.When wheel A8 relative frame (vehicle body) A2 needs to rotate, promote steering arm 2(as Fig. 1) or other executive component of action 2(as oil hydraulic motor, actuating motor etc.) (as Fig. 3) can realize the rotation of wheel A8; Carry out along the guide structure of steering oil air spring A1 during wheel A8 relative frame (vehicle body) A2 bob; During wheel A8 relative frame (vehicle body) A2 bob, steering arm 2(is as Fig. 1) or other executive component 2(as oil hydraulic motor, actuating motor etc.) (as Fig. 3) and vehicle frame (vehicle body) A2 geo-stationary, avoid the generation of movement interference, eliminate between steering system and suspension and interfere the additional steering angle caused.
Claims (4)
1. a light steering hydro-pneumatic spring, it is characterized in that: this hydro-pneumatic spring comprises oil-feed interface (1), steering arm (2), cylinder barrel upper cover (3), wear-resistant gasket (4), cylinder barrel (5), splined shaft (6), piston (7), capping under cylinder barrel (8), piston bottom (9), lidstock circle (10) under cylinder barrel, lower guide pin bushing (11), piston packing (12), upper guide bush (13), cylinder barrel upper cover seal ring (14) and jump ring (15), described splined shaft (6) is connected with piston (7) by spline, be connected with piston bottom (9) by spline simultaneously, be connected by spline between steering arm (2) with splined shaft (6), be connected mutually by welding between piston bottom (9) with piston (7), piston bottom (9) is connected with wheel (A8), cylinder barrel (5) is connected mutually with vehicle frame (A2), the torque that steering arm (2) produces passes to piston bottom (9) by splined shaft (6) and piston (7), thus realizes turning to of wheel (A8),
1.. described piston (7) forms guide mechanism with capping (8) under cylinder barrel (5) and cylinder barrel, and described cylinder barrel (5) is connected with vehicle frame (A2) mutually by the connecting base (16) on it;
2.. described splined shaft (6) adopts jump ring (15) to limit with the relative position of cylinder barrel upper cover (3), wear-resistant gasket (4) is provided with between boss on cylinder barrel upper cover (3) and splined shaft (6), cylinder barrel upper cover (3) is fixed on the boss of cylinder barrel (5) under oil pressure, cylinder barrel upper cover (3) is provided with cylinder barrel upper cover seal ring (14), and piston (7) is provided with piston packing (12);
3.. described cylinder barrel (5), a formation cavity A between splined shaft (6) and piston (7), splined shaft (6), between piston (7) and piston bottom (9), form another cavity B, cavity A is connected with cavity B formation airtight oil pocket by multiple oil duct b that piston (7) head is arranged, cavity A to be connected with the accumulator of peripheral hardware to form hydro-pneumatic spring by being arranged on oilhole c in splined shaft (6) and oil-feed interface (1)
4.. capping under described cylinder barrel (8) is provided with lidstock circle (10) under cylinder barrel, the head of piston (7) is provided with upper guide bush (13), is provided with lower guide pin bushing (11) in capping under cylinder barrel (8).
2. a kind of light steering hydro-pneumatic spring according to claim 1, it is characterized in that: described piston (7) head can also adopt the structural type without oilhole, is connected between cavity A with cavity B by the through hole c in splined shaft (6).
3. a kind of light steering hydro-pneumatic spring according to claim 1, is characterized in that: described steering arm (2) can adopt oil hydraulic motor or actuating motor.
4. a kind of light steering hydro-pneumatic spring according to claim 1, is characterized in that: can replace wear-resistant gasket (4) with thrust-bearing between the boss on cylinder barrel upper cover (3) and splined shaft (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110370597.5A CN103122962B (en) | 2011-11-21 | 2011-11-21 | Light steering hydro-pneumatic spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110370597.5A CN103122962B (en) | 2011-11-21 | 2011-11-21 | Light steering hydro-pneumatic spring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103122962A CN103122962A (en) | 2013-05-29 |
| CN103122962B true CN103122962B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110370597.5A Active CN103122962B (en) | 2011-11-21 | 2011-11-21 | Light steering hydro-pneumatic spring |
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| CN (1) | CN103122962B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989946A (en) * | 2017-12-28 | 2018-05-04 | 欧孚迪汽车设计武汉有限公司 | Hydro-pneumatic spring, the steering mechanism of wheel, wheel and electric car |
| CN108001140B (en) * | 2017-12-28 | 2024-01-16 | 武汉梦马易腾智能汽车科技有限公司 | Four-wheel electric vehicle |
| CN107989945B (en) * | 2017-12-28 | 2024-05-10 | 武汉梦马易腾智能汽车科技有限公司 | Hydro-pneumatic spring, steering mechanism of wheel, wheel and vehicle |
| CN114198450B (en) * | 2021-11-30 | 2024-01-19 | 东风专用零部件有限公司 | Suspension cylinder structure, suspension hydraulic system and suspension cylinder structure control method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3759503A (en) * | 1970-05-28 | 1973-09-18 | Crompton Moore J Russell | Resilient mounting arrangement |
| SU1193326A1 (en) * | 1983-11-30 | 1985-11-23 | Московский автомеханический институт | Telescopic hydraulic shock-absorber |
| CN200996428Y (en) * | 2007-01-18 | 2007-12-26 | 昶伟股份有限公司 | Steering shock arrester |
| CN201318411Y (en) * | 2008-10-17 | 2009-09-30 | 黎景杭 | Strut type steering servo damping adjustment shock absorber |
| CN201332846Y (en) * | 2009-01-08 | 2009-10-28 | 成都德贝实业有限公司 | Arc-shaped frame |
| CN202326880U (en) * | 2011-11-21 | 2012-07-11 | 长春孔辉汽车科技有限公司 | Light steering hydro-pneumatic spring |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011122644A (en) * | 2009-12-10 | 2011-06-23 | Jtekt Corp | Electromagnetic damper |
-
2011
- 2011-11-21 CN CN201110370597.5A patent/CN103122962B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3759503A (en) * | 1970-05-28 | 1973-09-18 | Crompton Moore J Russell | Resilient mounting arrangement |
| SU1193326A1 (en) * | 1983-11-30 | 1985-11-23 | Московский автомеханический институт | Telescopic hydraulic shock-absorber |
| CN200996428Y (en) * | 2007-01-18 | 2007-12-26 | 昶伟股份有限公司 | Steering shock arrester |
| CN201318411Y (en) * | 2008-10-17 | 2009-09-30 | 黎景杭 | Strut type steering servo damping adjustment shock absorber |
| CN201332846Y (en) * | 2009-01-08 | 2009-10-28 | 成都德贝实业有限公司 | Arc-shaped frame |
| CN202326880U (en) * | 2011-11-21 | 2012-07-11 | 长春孔辉汽车科技有限公司 | Light steering hydro-pneumatic spring |
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| Publication number | Publication date |
|---|---|
| CN103122962A (en) | 2013-05-29 |
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| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 130012 Jilin province Changchun Chaoda high tech Industrial Development Zone, Road No. 5177 Applicant after: Changchun Konghui Automative Technology Co., Ltd. Address before: 130012 Jilin province Changchun Chaoda high tech Industrial Development Zone, Road No. 5177 Applicant before: KH Automotive Technologies (Changchun) Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: KH AUTOMOTIVE TECHNOLOGIES (CHANGCHUN) CO., LTD. TO: CHANGCHUN KONGHUI AUTOMATIVE TECHNOLOGY CO., LTD. |
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Effective date of registration: 20191024 Address after: 313000 No. 18-102 Industrial Road, South Taihu High-tech Industrial Park, Wuxing District, Huzhou City, Zhejiang Province Patentee after: Zhejiang Kong Hui Automobile Technology Co., Ltd. Address before: 130012 No. 5177, Chaoda Road, Changchun high tech Industrial Development Zone, Changchun, Jilin Patentee before: Changchun Konghui Automative Technology Co., Ltd. |
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| TR01 | Transfer of patent right |