CN203685959U - Air pressure control damp-controllable damper - Google Patents
Air pressure control damp-controllable damper Download PDFInfo
- Publication number
- CN203685959U CN203685959U CN201420048374.6U CN201420048374U CN203685959U CN 203685959 U CN203685959 U CN 203685959U CN 201420048374 U CN201420048374 U CN 201420048374U CN 203685959 U CN203685959 U CN 203685959U
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- Prior art keywords
- valve assembly
- pneumaticpiston
- cylinder
- urceolus
- type circle
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- Expired - Lifetime
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- 238000007789 sealing Methods 0.000 claims abstract description 11
- 230000003068 static effect Effects 0.000 claims abstract description 4
- 239000012530 fluid Substances 0.000 claims description 22
- 210000004907 gland Anatomy 0.000 claims description 16
- 238000003466 welding Methods 0.000 claims description 13
- 239000006096 absorbing agent Substances 0.000 claims description 5
- 230000035939 shock Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000013016 damping Methods 0.000 abstract description 10
- 239000000725 suspension Substances 0.000 abstract description 7
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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- Fluid-Damping Devices (AREA)
Abstract
The utility model relates to a part applied to an automobile suspension system, in particular to an air pressure control damp-controllable damper. The damper comprises an oil storage tank, a bottom valve assembly, a pressure control valve assembly, a working cylinder, a middle cylinder, a piston valve assembly, a guiding device assembly and a piston rod. The bottom valve assembly is matched with the lower end of the working cylinder and arranged at the bottom of the oil storage cylinder, the piston valve assembly is matched with the piston rod through threads and is placed in the working cylinder, the outer edge of the piston valve assembly makes contact with the edge of the inner side of the working cylinder to form a moving pair, the corresponding contact face can achieve dynamic sealing of oil, and the guiding device assembly is arranged at the upper end of the oil storage cylinder and the upper end of the working cylinder and is matched with the inner edge of the oil storage cylinder and the inner edge of the working cylinder to form static sealing of the oil. The air pressure control damp-controllable damper is simple in structure, the damp is controllable, it can be well guaranteed that the damping characteristics of the suspension system change along with changes of automobile running conditions, and requirements for automobile comfortableness and operation stability can be met at the same time.
Description
Technical field
What the present invention relates to is a kind of component that are applied in automobile suspension system, particularly be a kind of in vehicle suspension system the vibration damper of damping-force adjustable.
Background technique
The vibration damper current, passive suspension is used, the size of its damping depends on the flexible size of each valve member valve block group; Once after the adjustment of each valve block group is installed, the damping characteristic of the each valve member of this vibration damper and the damping property of vibration damper are also just determined, because its damping is non-adjustable, so can not ensure well that the damping characteristic of suspension system changes with the variation of running conditions of vehicle, travelling comfort and the control stability that can not take into account automobile are had a strong impact on vehicle performance simultaneously.
Summary of the invention
The object of the invention is to provide a kind of simple and reasonable, damping is adjustable, can ensure well that the damping characteristic of suspension system changes with the variation of running conditions of vehicle, can also take into account the air pressure control ride control shock absorber of travelling comfort and the control stability of automobile simultaneously.
The object of the present invention is achieved like this, this vibration damper comprises oil storage cylinder, bottom valve assembly, pressure controlled valve assembly, clutch release slave cylinder, middle cylinder, piston valve assembly, guider assembly and piston rod, described bottom valve assembly and clutch release slave cylinder lower end coordinate and are placed in the bottom of oil storage cylinder, piston valve assembly coordinates with piston rod by screw thread and is placed in clutch release slave cylinder inside, piston valve assembly outward edge contacts formation sliding pair with clutch release slave cylinder inside edge and surface of contact has formed the motive sealing for fluid, guider assembly is placed in the upper end of oil storage cylinder and clutch release slave cylinder and matches with oil storage cylinder and clutch release slave cylinder inward flange respectively and forms the static seal to fluid, middle cylinder matches with clutch release slave cylinder outer surface by O type circle, clutch release slave cylinder upside has opening and communicates with middle cylinder, middle cylinder downside outwards has a horn mouth, match with the horn mouth of middle cylinder by O type circle in pressure controlled valve assembly lower end, pressure controlled valve assembly is connected with oil storage cylinder by welding.
Described pressure controlled valve assembly 3 comprises welding urceolus, connect base, pneumaticpiston urceolus, O type circle I, valve body gland, O type circle II, O type circle III, pneumatic joint, pneumaticpiston, O type circle IV, spool, spool ball and O type circle V, described pneumatic joint is connected with valve body gland 5 by screw thread, valve body gland is connected and pushes down pneumaticpiston urceolus downwards with welding urceolus, pneumaticpiston urceolus outward edge contacts and passes through O type circle I with welding urceolus inward flange and seals, pneumaticpiston urceolus is pushed down connection base downwards, connecting base contacts with middle cylinder horn mouth by the sealing of O type circle V, connecting base makes the fluid of middle cylinder can feed pressure control valve assembly by oil inlet hole a, connecting base makes fluid to get back to oil storage cylinder by outflow pressure control valve assembly 3 by oil outlet b, between valve body gland and pneumaticpiston urceolus, be provided with O type circle III, pneumaticpiston outward edge contacts with pneumaticpiston urceolus inward flange and forms sliding pair and seal by O type circle II, valve body gland, between pneumaticpiston urceolus and pneumaticpiston three, form hyperbaric chamber c, pneumaticpiston and pneumaticpiston urceolus form atmospheric gas chamber e, the logical overpressure vent d of normal pressure air cavity e is communicated with ambient atmosphere, pneumaticpiston is pushed down spool downwards, in spool outward edge and pneumaticpiston urceolus, side contacts forms sliding pair and seals by O type circle IV, under spool, push down spool ball, spool ball is blocked the oil inlet hole a that connects base lower end downwards.
The present invention has the following advantages and good effect:
1, vibration damper of the present invention adopts triplex structure, and outermost is oil storage cylinder, and the inside is clutch release slave cylinder, and centre is middle cylinder.In the time of vibration damper stretching or compression movement, fluid all will flow into middle cylinder from clutch release slave cylinder, finally enters oil storage cylinder via pressure controlled valve assembly.Can be filled with to the high pressure air cavity in pressure controlled valve the gas of certain pressure by pneumatic joint, gas pressure acts on the oil inlet hole of pressure controlled valve assembly by pneumaticpiston, spool and spool ball, make must reach that certain pressure just can back down spool ball and via oil outlet off-load from the fluid of oil inlet hole feed pressure control valve assembly.So, the pressure that is filled with gas by change can be controlled the oil liquid pressure of vibration damper inside, and then controls the damping force of vibration damper.
2, the vibration damper the present invention relates to has structure and simplifies, realizes easy, high reliability.
Brief description of the drawings
Fig. 1 is vibration damper overall structure schematic diagram of the present invention.
Fig. 2 is the structural representation of pressure controlled valve assembly in vibration damper of the present invention.
In Fig. 1: 1, oil storage cylinder; 2, bottom valve assembly; 3, pressure controlled valve assembly; 4, clutch release slave cylinder; 5, middle cylinder; 6, piston valve assembly; 7, guider assembly; 8, piston rod; 9, opening; 10, horn mouth.
In Fig. 2: 3-1, welding urceolus; 3-2, connection base; 3-3, pneumaticpiston urceolus; 3-4, O type circle I; 3-5, valve body gland; 3-6, O type circle II; 3-7, O type circle III; 3-8, pneumatic joint; 3-9, pneumaticpiston; 3-10, O type circle IV; 3-11, spool; 3-12, spool ball; 3-13, O type circle V; A, oil inlet hole; B, oil outlet; C, high pressure air cavity; D, normal pressure vent; E, normal pressure air cavity.
Embodiment
The 1 pair of vibration damper entirety the present invention relates to is described in detail by reference to the accompanying drawings:
This vibration damper comprises oil storage cylinder 1, bottom valve assembly 2, pressure controlled valve assembly 3, clutch release slave cylinder 4, middle cylinder 5, piston valve assembly 6, guider assembly 7 and piston rod 8, described bottom valve assembly 2 and clutch release slave cylinder 4 lower ends coordinate and are placed in the bottom of oil storage cylinder 1, piston valve assembly 6 coordinates with piston rod 8 by screw thread and is placed in clutch release slave cylinder 4 inside, piston valve assembly 6 outward edges contact formation sliding pair with clutch release slave cylinder 4 inside edges and surface of contact has formed the motive sealing for fluid, guider assembly 7 is placed in the upper end of oil storage cylinder 1 and clutch release slave cylinder 4 and matches with oil storage cylinder 1 and clutch release slave cylinder 4 inward flanges respectively and forms the static seal to fluid, middle cylinder 5 matches with clutch release slave cylinder 4 outer surfaces by O type circle, clutch release slave cylinder 4 upsides have opening 9 and communicate with middle cylinder 5, middle cylinder 5 downsides outwards have a horn mouth 10, match with the horn mouth 10 of middle cylinder 5 by O type circle in pressure controlled valve assembly 3 lower ends, pressure controlled valve assembly 3 is connected with oil storage cylinder 1 by welding.
Being described in detail of pressure controlled valve assembly in 2 pairs of vibration dampers that the present invention relates to by reference to the accompanying drawings:
Described pressure controlled valve assembly 3 comprises welding urceolus 3-1, connect base 3-2, pneumaticpiston urceolus 3-3, O type circle I 3-4, valve body gland 3-5, O type circle II 3-6, O type circle III 3-7, pneumatic joint 3-8, pneumaticpiston 3-9, O type circle IV 3-10, spool 3-11, spool ball 3-12 and O type circle V 3-13, described pneumatic joint 3-8 is connected with valve body gland 3-5 by screw thread, valve body gland 3-5 and welding urceolus 3-1 are connected and push down pneumaticpiston urceolus 3-3 downwards, pneumaticpiston urceolus 3-3 outward edge contacts and passes through O type circle I 3-4 with welding urceolus 3-1 inward flange and seals, pneumaticpiston urceolus 3-3 pushes down downwards and connects base 3-2, connect base 3-2 and contact the sealing by O type circle V 3-13 with middle cylinder horn mouth 10, connecting base 3-2 makes the fluid of middle cylinder 5 can feed pressure control valve assembly 3 by oil inlet hole a, connecting base 3-2 makes fluid to get back to oil storage cylinder 1 by outflow pressure control valve assembly 3 by oil outlet b, between valve body gland 3-5 and pneumaticpiston urceolus 3-3, be provided with O type circle III 3-7, pneumaticpiston 3-9 outward edge contacts with pneumaticpiston urceolus 3-3 inward flange and forms sliding pair and seal by O type circle II 3-6, valve body gland 3-5, between pneumaticpiston urceolus 3-3 and pneumaticpiston 3-9 three, form hyperbaric chamber c, pneumaticpiston 3-9 and pneumaticpiston urceolus 3-3 form normal pressure air cavity e, the logical overpressure vent d of normal pressure air cavity e is communicated with ambient atmosphere, pneumaticpiston 3-9 pushes down spool 3-11 downwards, in spool 3-11 outward edge and pneumaticpiston urceolus 3-3, side contacts forms sliding pair and seals by O type circle IV 3-10, under spool 3-11, push down spool ball 3-12, spool ball 3-12 blocks the oil inlet hole a that connects base 3-2 lower end downwards.
Specific works process is as follows:
In the time of vibration damper extensional motion, piston rod 8 drives piston valve assembly 6 to move upward with respect to clutch release slave cylinder 4, piston valve assembly 6 promotes fluid and flows into from oil storage cylinder 1 by bottom valve assembly 2 cavity of resorption of clutch release slave cylinder 4, and the fluid of clutch release slave cylinder 4 epicoeles enters middle cylinder 5 by opening 9, and enter pressure controlled valve assembly 3 via the oil inlet hole a of pressure controlled valve assembly 3, enter oil storage cylinder 1 finally by the oil outlet b by pressure controlled valve assembly 3.In the time of vibration damper compression movement, piston rod 8 drives piston valve assembly 6 to move downward with respect to clutch release slave cylinder 4, piston valve assembly 6 promotes the epicoele of fluid from the cavity of resorption inflow clutch release slave cylinder 4 of clutch release slave cylinder 4, the fluid of clutch release slave cylinder 4 epicoeles enters middle cylinder 5 by opening 9, and enter pressure controlled valve assembly 3 via the oil inlet hole a of pressure controlled valve assembly 3, enter oil storage cylinder 1 finally by the oil outlet b by pressure controlled valve assembly 3.In sum, no matter vibration damper extensional motion or compression movement, the fluid in clutch release slave cylinder 4 all must return to oil storage cylinder 1 by pressure controlled valve assembly 3.Can be filled with to the high pressure air cavity in pressure controlled valve assembly 3 gas of certain pressure by pneumatic joint 3-8, gas pressure acts on the oil inlet hole a of pressure controlled valve assembly 3 by pneumaticpiston 3-9, spool 3-11 and spool ball 3-12, make must reach and be enough to overcome that the pressure of air pressure just can back down spool ball 3-12 and via oil outlet b off-load from the fluid of oil inlet hole a feed pressure control valve assembly 3.So, the pressure that is filled with gas by change can be controlled the oil liquid pressure of vibration damper inside, and then controls the damping force of vibration damper.
The advantage of this structure is that in pressure controlled valve assembly 3, the motive sealing machining accuracy of pneumaticpiston 3-9 and pneumaticpiston urceolus 3-3 can suitably reduce, in the time that the high pressure air in high pressure air cavity is revealed from the motive sealing between pneumaticpiston 3-9 and pneumaticpiston urceolus 3-3, gas leakage will enter normal pressure air cavity c, and enter atmosphere through normal pressure vent d.This structure has been avoided entering the problem of fluid generation foamed because machining accuracy reason causes high pressure air.
The advantage of this structure is that spool 3-11 in pressure controlled valve assembly 3, spool ball 3-12 match and seals oil inlet hole a fluid, has reduced requirement on machining accuracy, and can avoid small flow to reveal the effect that has ensured pressurize oil sealing.
Claims (3)
1. an air pressure control ride control shock absorber, it is characterized in that: this vibration damper comprises oil storage cylinder, bottom valve assembly, pressure controlled valve assembly, clutch release slave cylinder, middle cylinder, piston valve assembly, guider assembly and piston rod, described bottom valve assembly and clutch release slave cylinder lower end coordinate and are placed in the bottom of oil storage cylinder, piston valve assembly coordinates with piston rod by screw thread and is placed in clutch release slave cylinder inside, piston valve assembly outward edge contacts formation sliding pair with clutch release slave cylinder inside edge and surface of contact has formed the motive sealing for fluid, guider assembly is placed in the upper end of oil storage cylinder and clutch release slave cylinder and matches with oil storage cylinder and clutch release slave cylinder inward flange respectively and forms the static seal to fluid, middle cylinder matches with clutch release slave cylinder outer surface by O type circle, clutch release slave cylinder upside has opening and communicates with middle cylinder, middle cylinder downside outwards has a horn mouth, match with the horn mouth of middle cylinder by O type circle in pressure controlled valve assembly lower end, pressure controlled valve assembly is connected with oil storage cylinder by welding.
2. a kind of air pressure control ride control shock absorber according to claim 1, it is characterized in that: described pressure controlled valve assembly comprises welding urceolus, connect base, pneumaticpiston urceolus, O type circle I, valve body gland, O type circle II, O type circle III, pneumatic joint, pneumaticpiston, O type circle IV, spool, spool ball and O type circle V, described pneumatic joint is connected with valve body gland by screw thread, valve body gland is connected and pushes down pneumaticpiston urceolus downwards with welding urceolus, pneumaticpiston urceolus outward edge contacts and passes through O type circle I with welding urceolus inward flange and seals, pneumaticpiston urceolus is pushed down connection base downwards, connecting base contacts with middle cylinder horn mouth by the sealing of O type circle V, between valve body gland and pneumaticpiston urceolus, be provided with O type circle III, pneumaticpiston outward edge contacts with pneumaticpiston urceolus inward flange and forms sliding pair and seal by O type circle II, valve body gland, between pneumaticpiston urceolus and pneumaticpiston three, form hyperbaric chamber c, pneumaticpiston and pneumaticpiston urceolus form atmospheric gas chamber e, the logical overpressure vent d of normal pressure air cavity e is communicated with ambient atmosphere, pneumaticpiston is pushed down spool downwards, in spool outward edge and pneumaticpiston urceolus, side contacts forms sliding pair and seals by O type circle IV, under spool, push down spool ball, spool ball is blocked the oil inlet hole a that connects base lower end downwards.
3. a kind of air pressure control ride control shock absorber according to claim 2, it is characterized in that: connect base and make the fluid of middle cylinder can feed pressure control valve assembly by oil inlet hole a, connect base and make fluid to get back to oil storage cylinder by outflow pressure control valve assembly by oil outlet b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420048374.6U CN203685959U (en) | 2014-01-26 | 2014-01-26 | Air pressure control damp-controllable damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420048374.6U CN203685959U (en) | 2014-01-26 | 2014-01-26 | Air pressure control damp-controllable damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203685959U true CN203685959U (en) | 2014-07-02 |
Family
ID=51007866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420048374.6U Expired - Lifetime CN203685959U (en) | 2014-01-26 | 2014-01-26 | Air pressure control damp-controllable damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203685959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051021A (en) * | 2015-04-08 | 2016-10-26 | 通用汽车环球科技运作有限责任公司 | Pressure valve for gas spring |
-
2014
- 2014-01-26 CN CN201420048374.6U patent/CN203685959U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051021A (en) * | 2015-04-08 | 2016-10-26 | 通用汽车环球科技运作有限责任公司 | Pressure valve for gas spring |
| CN106051021B (en) * | 2015-04-08 | 2018-07-17 | 通用汽车环球科技运作有限责任公司 | pressure valve for gas spring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHANGCHUN KONGHUI AUTOMATIVE TECHNOLOGY CO., LTD. Free format text: FORMER NAME: KH AUTOMOTIVE TECHNOLOGIES (CHANGCHUN) CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 130012 Jilin province Changchun Chaoda high tech Industrial Development Zone, Road No. 5177 Patentee after: KH AUTOMOTIVE TECHNOLOGIES (CHANGCHUN) CO.,LTD. Address before: 130012 Jilin province Changchun Chaoda high tech Industrial Development Zone, Road No. 5177 Patentee before: KH AUTOMOTIVE TECHNOLOGIES (CHANGCHUN) Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20230830 Address after: 313000 Building 1, No. 788 Xifeng Road, South Taihu New District, 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, Jilin Province Patentee before: KH AUTOMOTIVE TECHNOLOGIES (CHANGCHUN) CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
|
| CX01 | Expiry of patent term |