CN103122962A - Light steerable hydro-pneumatic spring - Google Patents
Light steerable hydro-pneumatic spring Download PDFInfo
- Publication number
- CN103122962A CN103122962A CN2011103705975A CN201110370597A CN103122962A CN 103122962 A CN103122962 A CN 103122962A CN 2011103705975 A CN2011103705975 A CN 2011103705975A CN 201110370597 A CN201110370597 A CN 201110370597A CN 103122962 A CN103122962 A CN 103122962A
- Authority
- CN
- China
- Prior art keywords
- cylinder barrel
- piston
- hydro
- pneumatic spring
- splined shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention relates to a hydro-pneumatic spring used for a vehicle suspension frame, in particular to a light steerable hydro-pneumatic spring. The light steerable hydro-pneumatic spring comprises an oil inlet port, a steering arm, a cylinder barrel upper close cover, a wear-resisting gasket, a cylinder barrel, a spline shaft, a piston, a cylinder barrel lower close cover, a piston bottom cover, a cylinder barrel lower close cover seal ring, a lower guide sleeve, a piston seal ring, an upper guide sleeve, a cylinder barrel upper close cover seal ring and a clamp spring. The spline shaft is connected with the piston through a spline and connected with the piston bottom cover through a spline at the same time, the steering arm is connected with the spline shaft through a spline, the piston bottom cover is fixedly connected with the piston in a welding mode, the piston bottom cover is connected with a wheel A8, the cylinder barrel is fixedly connected with a vehicle frame A2, and torque generated by the steering arm is transmitted to the piston bottom cover through the spline shaft and the piston so as to achieve steering of the wheel A8. The light steerable hydro-pneumatic spring is simple and reasonable in structure, and has functions of elasticity, damping and guiding.
Description
Technical field
The present invention relates to the hydro-pneumatic spring that vehicle suspension is used, a kind of light steering hydro-pneumatic spring specifically, it is used on the small and medium-sized cars such as offroad vehicle, passenger vehicle.
Background technique
The hydro-pneumatic spring that common vehicle uses has elasticity and damping function, also may have simultaneously the function of highly controlling, and usually need separately establish guidance system and realize relative movement correct between wheel and vehicle frame (vehicle body).
The hydro-pneumatic spring that is installed on deflecting roller must be installed separately steering system 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 grown, this layout is in the cards hardly.Simultaneously, the installation steering system also can produce negative impact to the design of vehicle bearing space; The general vehicle that steering system is installed is when wheel hop, and the steering system part is beated thereupon, causes interference, thereby forms the bad phenomenon of additional steering angle.
Summary of the invention
The objective of the invention is to provide a kind of simple and reasonable, the effect that namely has elasticity, damping and guiding also possesses the highly light steering hydro-pneumatic spring of the effect of control.
The object of the present invention is achieved like this, this hydro-pneumatic spring comprises that this hydro-pneumatic spring comprises capping seal ring, 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 with the piston bottom by spline simultaneously; Be connected by spline between steering arm and splined shaft, be connected mutually by welding between piston bottom and piston, the piston bottom is connected with wheel A8, and cylinder barrel is connected mutually with vehicle frame A2, the torque that steering arm produces passes to the piston bottom by splined shaft and piston, thereby realizes turning to of wheel A8.
The present invention is owing to adopting said structure to have the following advantages and good effect:
1, the invention provides a kind of new light steering hydro-pneumatic spring structure, it can by disposed thereon and will not turn to transmission of torque to tire with steering arm or other executive component (as oil hydraulic motor, actuating motor etc.) of wheel hop, realize wheel steering; Simultaneously, wherein the hydro-pneumatic spring of integrated setting makes its effect with elasticity, damping and guiding, also can possess the effect of highly controlling.Compact structure of the present invention, simple, the integrated modular design is easy to layout, wide adaptability, is applicable to the vehicle that compound suspension also is applicable to pure hydro pneumatic suspension.
2, hydro-pneumatic spring of the present invention can be directly passed to the piston bottom with the steering torque that steering arm produces, the 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 the peripheral hardware steering system, slot milling maximizing vehicle bearing space; Integrated design makes suspension frame structure simple, and cost is easily arranged in vehicle.
Description of drawings
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 use state reference map of suspension application in vehicle that light steering hydro-pneumatic spring is installed.
Embodiment
As shown in Figure 1, this light steering hydro-pneumatic spring comprises capping seal ring 10 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, 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, is connected with piston bottom 9 by spline simultaneously; Be connected by spline between steering arm 2 and splined shaft 6, be connected mutually by welding between piston bottom 9 and piston 7; So structure can be directly passed to piston bottom 9 with the steering torque that steering arm 2 produces, 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 the peripheral hardware steering system, slot milling maximizing vehicle bearing space; Integrated design makes suspension frame structure simple, and cost is easily arranged in vehicle.
Described steering arm 2 is connected with splined shaft 6 by spline, steering arm 2 with the transmission of torque that produces 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 direct contact frictions; Cylinder barrel upper cover 3 is being fixed under the oil pressure effect on the boss of cylinder barrel 5; 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 with splined shaft 6 by spline joint, transmitting torque mutually between the two, the while can slide mutually along the axis of splined shaft 6; Be connected mutually by welding between piston 7 and piston bottom 9, form another cavity B; A plurality of oil duct b of piston 7 head settings are connected cavity A and cavity B and form an airtight oil pocket, and cavity A is by being arranged on oilhole c in splined shaft 6 and the oil-feed interface 1 formation hydro-pneumatic spring that is connected with the accumulator of peripheral hardware; Be connected mutually by welding between capping 8 and cylinder barrel 5 under cylinder barrel, under cylinder barrel, capping 8 is provided with capping seal ring 10 under cylinder barrel, prevents that the fluid of seepage is exposed to the external world; The oil of seepage flows out by the oilhole a that is 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 consist of the guidance system of apparatus of the present invention jointly, play simultaneously antiwear and reducing friction.Cylinder barrel 5 is connected with vehicle frame (vehicle body) mutually by the connecting base 16 that arranges on it, and piston bottom 9 is connected with wheel, and steering arm 2 promotes splined shaft 6 and rotates, and drives piston 7 and 9 rotations of piston bottom, thereby 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 heads are without oilhole, is connected by the through hole c in splined shaft 6 between cavity A and cavity B, applicable to the less structure of size.
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(such as oil hydraulic motor, actuating motor etc.) produce, use more flexible.
Fig. 4 is the third mode of execution of light steering hydro-pneumatic spring of the present invention, wherein is provided with thrust-bearing between the boss on cylinder barrel upper cover 3 and splined shaft 6, and frictional force is less.
As shown in Figure 5, what the figure shows is to utilize the present invention as the suspension system of constituent element, is comprised 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.But steering oil air spring A1, variable damper valve A4 and gas-filled type accumulator A5 consist of typical complete hydro-pneumatic spring.
By controlling the on off state of bi-bit bi-pass selector valve A3, realize that the rigidity and tenderness of 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; But the guide movement of suspension is guaranteed by steering oil air spring A1, need not the peripheral hardware suspension guide mechanism.
But cylinder barrel 5(such as Fig. 1 of steering oil air spring A1) be connected mutually with vehicle frame (vehicle body) A2, wheel A8 and piston bottom 9(such as Fig. 1) be connected.When vehicle frame (vehicle body) A2 need to rotate, promote steering arm 2(such as Fig. 1 as wheel A8) or move other executive component 2(such as oil hydraulic motor, actuating motor etc.) (as Fig. 3) can realize the rotation of wheel A8; Guide structure along steering oil air spring A1 during the relative vehicle frame of wheel A8 (vehicle body) A2 bob carries out; During the relative vehicle frame of wheel A8 (vehicle body) A2 bob, steering arm 2(such as Fig. 1) or other executive component 2(such as oil hydraulic motor, actuating motor etc.) (as Fig. 3) relative static with vehicle frame (vehicle body) A2, avoid the generation of movement interference, eliminate and interfere the additional steering angle that causes between steering system and suspension.
Claims (9)
1. 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), capping seal ring (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) and splined shaft (6), be connected mutually by welding between piston bottom (9) and 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), thereby realizes turning to of wheel (A8).
2. a kind of light steering hydro-pneumatic spring according to claim 1, is characterized in that: capping (8) composition guide mechanism under described piston (7) and cylinder barrel (5) and cylinder barrel.
3. a kind of light steering hydro-pneumatic spring according to claim 1, it is characterized in that: described cylinder barrel (5) is connected mutually by the connecting base on it (16) and vehicle frame (A2).
4. a kind of light steering hydro-pneumatic spring according to claim 1, it is characterized in that: described splined shaft (6) adopts jump ring (15) to limit with the relative position of cylinder barrel upper cover (3), be provided with wear-resistant gasket (4) between boss on cylinder barrel upper cover (3) and splined shaft (6), cylinder barrel upper cover (3) is on the boss that is fixed in 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).
5. a kind of light steering hydro-pneumatic spring according to claim 1, it is characterized in that: form a cavity A between described cylinder barrel (5), splined shaft (6) and piston (7), form another cavity B between splined shaft (6), piston (7) and piston bottom (9), a plurality of oil duct b of piston (7) head setting are connected cavity A and cavity B and form an airtight oil pocket, and cavity A is by being arranged on oilhole c in splined shaft (6) and oil-feed interface (1) the formation hydro-pneumatic spring that is connected with the accumulator of peripheral hardware.
6. a kind of light steering hydro-pneumatic spring according to claim 1, it is characterized in that: capping under described cylinder barrel (8) is provided with capping seal ring (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).
7. 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 by the through hole c in splined shaft (6) between cavity A and cavity B.
8. a kind of light steering hydro-pneumatic spring according to claim 1, it is characterized in that: the described executive component steering arm (2) that turns to torque that passes to tire can also adopt oil hydraulic motor or actuating motor.
9. a kind of light steering hydro-pneumatic spring according to claim 1, is characterized in that: thrust available bearing replacement wear-resistant gasket (4) 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 true CN103122962A (en) | 2013-05-29 |
| CN103122962B CN103122962B (en) | 2016-01-20 |
Family
ID=48454046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110370597.5A Active CN103122962B (en) | 2011-11-21 | 2011-11-21 | Light steering hydro-pneumatic spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103122962B (en) |
Cited By (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 |
| CN107989945A (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 vehicle |
| CN108001140A (en) * | 2017-12-28 | 2018-05-08 | 欧孚迪汽车设计武汉有限公司 | A kind of four-wheel electric motor car |
| CN114198450A (en) * | 2021-11-30 | 2022-03-18 | 东风专用零部件有限公司 | Suspension oil cylinder structure, suspension hydraulic system and suspension oil 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 |
| 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 |
| JP2011122644A (en) * | 2009-12-10 | 2011-06-23 | Jtekt Corp | Electromagnetic damper |
| 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 |
|---|---|---|---|---|
| SU1193326A1 (en) * | 1983-11-30 | 1985-11-23 | Московский автомеханический институт | Telescopic hydraulic shock-absorber |
-
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 |
| 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 |
| JP2011122644A (en) * | 2009-12-10 | 2011-06-23 | Jtekt Corp | Electromagnetic damper |
| 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 |
Cited By (6)
| 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 |
| CN107989945A (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 vehicle |
| CN108001140A (en) * | 2017-12-28 | 2018-05-08 | 欧孚迪汽车设计武汉有限公司 | A kind of four-wheel electric motor 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 |
| CN114198450A (en) * | 2021-11-30 | 2022-03-18 | 东风专用零部件有限公司 | Suspension oil cylinder structure, suspension hydraulic system and suspension oil cylinder structure control method |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103122962B (en) | 2016-01-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2130744B1 (en) | Actuator for vehicle | |
| CN101801695B (en) | Electromagnetic shock absorber for vehicle | |
| CN103122962B (en) | Light steering hydro-pneumatic spring | |
| CN101398053A (en) | Hydraulic shock absorber | |
| CN103089887B (en) | Steerable hydro-pneumatic spring | |
| US20100007103A1 (en) | Actuator for Active Roll Control System | |
| CN103158474B (en) | Active roll control system | |
| CN102717696A (en) | Independent driving, steering and suspending system | |
| US9452652B2 (en) | Device for adjusting height of vehicle | |
| CN202326880U (en) | Light steering hydro-pneumatic spring | |
| CN105172513A (en) | Active suspension apparatus for vehicle and pump applied thereto | |
| CN101553387A (en) | Motion converter/transmitter | |
| US10173721B2 (en) | Steering motor | |
| EP2853768A1 (en) | Suspension device | |
| CN1955506B (en) | Hydraulic shock absorber | |
| KR20220104463A (en) | Suspension system | |
| CN202326883U (en) | Steering hydro-pneumatic spring | |
| JP4708392B2 (en) | Electromagnetic shock absorber | |
| WO2015104941A1 (en) | Suspension structure for in-wheel motor drive device | |
| CN112141208B (en) | Vehicle steering control structure, vehicle suspension structure and vehicle | |
| CN210164830U (en) | Electromagnetic type initiative bumper shock absorber | |
| JP6251137B2 (en) | Pressure buffer and damping force generation mechanism | |
| WO2015060233A1 (en) | Damper device | |
| CN109050193A (en) | Automobile suspension system | |
| CN108953451B (en) | Air spring for electromechanical suspension device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of 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. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: KH AUTOMOTIVE TECHNOLOGIES (CHANGCHUN) CO., LTD. TO: CHANGCHUN KONGHUI AUTOMATIVE TECHNOLOGY CO., LTD. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
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. |
|
| TR01 | Transfer of patent right |