CN202132432U - Compound air spring combined by position-limit buffering and pressure-limit reducing - Google Patents
Compound air spring combined by position-limit buffering and pressure-limit reducing Download PDFInfo
- Publication number
- CN202132432U CN202132432U CN201120245025U CN201120245025U CN202132432U CN 202132432 U CN202132432 U CN 202132432U CN 201120245025 U CN201120245025 U CN 201120245025U CN 201120245025 U CN201120245025 U CN 201120245025U CN 202132432 U CN202132432 U CN 202132432U
- Authority
- CN
- China
- Prior art keywords
- buffering
- way valve
- limit
- air
- orifice plug
- 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.)
- Expired - Fee Related
Links
Images
Abstract
A compound air spring combined by position-limit buffering and pressure-limit reducing is formed by combining an air bag (1), an upper installation plate (2), a buffering orifice plug (3), a buffering air chamber (4), a lower installation plate (5) and a one-way valve (6). The compound air spring combined by position-limit buffering and pressure-limit reducing is characterized in that the buffering orifice plug (3) is installed at the central position of the inner plane of the upper installation plate (2), the buffering air chamber (4) is installed at the central position of the inner plane of the lower installation plate (5), and the height and the throttling buffering stroke are set according to the height of a vehicle body limit device. The orifice plug (3) is made of rubber, and the center of the orifice plug is a cavity. The one-way valve (6) is installed on the lateral wall of the buffering air chamber (4) and communicated with a spring cavity of the one-way valve (6) through a small hole on the lateral wall. The compound air spring is capable of improving anti-side-rolling capability of vehicles to a certain degree when passive air suspension is adopted, reducing side-sway of vehicles and enhancing comfort of passengers and safe driving of drivers.
Description
Technical field:
The present invention relates to a kind of vehicle air suspension and use pneumatic spring.This being subtracted towards the composite air spring of one-way valve combination by spacing buffering air chamber and pressure limiting especially is adapted to the carrying big bus, and the city bus big bus also is adapted to shipping truck and rail traffic vehicles, and the passive type airsuspension system of special vehicle.
Background technique:
In order to improve ride of vehicle, improve the travelling comfort of taking, alleviate the damage of vehicle to road and goods, developed country has adopted air suspension widely in the suspension system of its carrier vehicle.China recent years is also being widelyd popularize and mandatory employing air suspension.In the air suspension technology of constantly development, in order further to improve the rigidity control characteristic of pneumatic spring, more be applicable to the variation of car load in order to it, people have carried out deep exploration, have developed multiple half active and active air suspension system.Mainly due to the reason on the cost, half active and active air suspension system can only be applied on the senior luxurious vehicle of minority at present.What generally use at present is the passive type airsuspension system; Because the defective of the air spring rigidity characteristic self of passive type air suspension; The coupling of air bag rigidity and whole-car parameters that adds standard series is unreasonable, can not carry out personalization again and regulate, and has caused adopting the vehicle of the passive type air suspension side-sway phenomenon that is in operation more serious; It is dizzy and uncomfortable that occupant and driver are produced, and seriously influences occupant's travelling comfort and driver's safe driving.This has become seriously influences the main cause that the passive type air suspension is applied on passenger vehicle.
Summary of the invention:
The object of the invention will be developed a kind of low cost exactly, and is simple and reliable and can improve the dynamic stiffness of pneumatic spring near its end of travel the time, alleviates to impact, and reduces the side-sway amplitude of vehicle body; In the time of in vehicle operating, running into the road surface projection again, reduce air spring rigidity rapidly, reduce the composite air spring of road surface projection the impact of vehicle body.
Solution of the present invention is: this spacing buffering and pressure limiting subtract the composite air spring that dashes combination, are combined by air bag 1, upper mounting plate 2, buffering orifice plug 3, buffering air chamber 4, lower installation board 5 and one-way valve 6.The center line of orifice plug 3 and accessory air-space 4 overlaps with the line at the center of upper mounting plate 2 and lower installation board 5, and fixes on it respectively.Orifice plug 3 is processed by rubber, and the center is a cavity, also can be by the other materials manufacturing, and the center is an entity.One-way valve 6 is installed on the sidewall of buffering air chamber 4, and is communicated with by the spring chamber of the aperture on its sidewall with one-way valve 6; Height according to the vehicle body height limit stoper in air bag 1 is provided with buffering orifice plug 3 gentle plenum chamber 4; When vehicle is in operation when running into the big inertia dynamic load of burst; Upper mounting plate 2 compression compressing gasbags 1 rapidly moves down, when buffering orifice plug 3 near and get into the top circular hole of cushion gas chamber 4, can to air bag 1 with cushion 4 mobile gas throttlings of air chamber; Improve the dynamic stiffness of pneumatic spring; Reduce the impact of vehicle body, improve occupant's travelling comfort, be beneficial to passive type air suspension applying in China.
When wheel is run into the road surface projection; Impact for step of wheel; Can promote that lower installation board 5 compressing gasbags 1 move upward and rapidly near buffering orifice plug 3, make the air bag 1 and the pressure reduction of 4 of buffering air chambers increase, further can cause the air pressure generation step in the air bag 1.This step pressure can be opened one-way valve 6 with the pressure reduction that buffering air chamber 4 internal air pressures form; Rapid communicated air bags 1 gentle plenum chamber 4; Increased the available gas volume in the air bag 1, stoped air bag 1 interior gas pressure to continue the dynamic stiffness of rising and reduction pneumatic spring, reduced of the impact of road surface projection vehicle body; Improve occupant's the travelling comfort and the smoothness of vehicle.
For making things convenient for the present invention's accurate adjustment in use, orifice plug 3 can be designed to regulate the structural type of height up and down, so that adjustment orifice plug 3 and the position to axial of cushioning air chamber 4.
Can be with also can one-way valve 6 being contained on the madial wall of buffering air chamber 4; Also can change one-way valve 6 into side logical structure by bypass structure; Be contained on the madial wall of buffering air chamber 4; By the suction port of the aperture communicated air bags 1 on buffering air chamber 4 sidewalls, be communicated with the spring chamber and buffering air chamber 4 of one-way valve 6 by the aperture on the one-way valve 6 valve body sides with one-way valve 6; Also can be in one-way valve 6 inboard postpones, set up the adjustable springs seat of band Sealing in its underpart, this adjustable spring seat top heads on the spring lower plane of one-way valve 6, and with one-way valve 6 coaxial being contained on the lower installation board 5.So just can regulate the decrement of the spring of one-way valve 6 through the adjustable springs seat, regulate subtracting of one-way valve 6 according to actual needs at any time and wash open and open pressure.
The present invention is simple in structure, and is with low cost, easy for installation, and reliable performance is a kind of composite air spring of dynamic stiffness of the end of travel that can in the passive type airsuspension system, improve pneumatic spring.This composite air spring can improve employing passive type air suspension vehicle anti-roll capability to a certain extent, reduces the vehicle side-sway.Improve occupant's travelling comfort and driver's safe maneuverability.
Description of drawings:
Accompanying drawing 1 is a structure principle chart of the present invention.
Embodiment:
When vehicle is in operation when running into the big inertia dynamic load of burst; Upper mounting plate 2 compressing gasbags 1 make buffering orifice plug 3 near and get into the top circular hole of cushion gas chamber 4; To air bag 1 and 4 mobile gas throttlings of buffering air chamber, improve the dynamic stiffness of pneumatic spring, reduce the impact of vehicle body.When wheel is run into the road surface projection, impact for step of wheel, promote that lower installation board 5 compressing gasbags 1 move upward and rapidly near buffering orifice plug 3, make the air bag 1 and the pressure reduction of 4 of buffering air chambers increase, further can cause the air pressure generation step in the air bag 1.This step pressure can be opened one-way valve 6 with the pressure reduction that buffering air chamber 4 internal air pressures form; Rapid communicated air bags 1 gentle plenum chamber 4; Increased the available gas volume in the air bag 1; Stoped air bag 1 interior gas pressure to continue the rigidity of rising and reduction pneumatic spring, reduced of the impact of road surface projection, raising occupant's the travelling comfort and the smoothness of vehicle vehicle body.
Claims (2)
1. spacing buffering and pressure limiting subtract the composite air spring that dashes combination, are combined by air bag (1), upper mounting plate (2), buffering orifice plug (3), buffering air chamber (4), lower installation board (5) and one-way valve (6); It is characterized in that: buffering orifice plug (3) is contained on the central position of upper mounting plate (2) inner plane, and buffering air chamber (4) is contained on the central position of lower installation board (5) inner plane, and its height and throttling cushion stroke are according to the height setting of vehicle body limit stoper; Orifice plug (3) is processed by rubber, and the center is a cavity; One-way valve (6) is installed on the sidewall of buffering air chamber (4), and is communicated with by the spring chamber of the aperture on its sidewall with one-way valve (6).
2. a kind of spacing buffering according to claim 1 and pressure limiting subtract the composite air spring that dashes combination, it is characterized in that: one-way valve (6) is contained on the madial wall of buffering air chamber (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120245025U CN202132432U (en) | 2011-07-12 | 2011-07-12 | Compound air spring combined by position-limit buffering and pressure-limit reducing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120245025U CN202132432U (en) | 2011-07-12 | 2011-07-12 | Compound air spring combined by position-limit buffering and pressure-limit reducing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202132432U true CN202132432U (en) | 2012-02-01 |
Family
ID=45521199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120245025U Expired - Fee Related CN202132432U (en) | 2011-07-12 | 2011-07-12 | Compound air spring combined by position-limit buffering and pressure-limit reducing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202132432U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330770A (en) * | 2011-07-12 | 2012-01-25 | 杨洁 | Composite air spring for limit buffer and pressure limit impact reduction |
-
2011
- 2011-07-12 CN CN201120245025U patent/CN202132432U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330770A (en) * | 2011-07-12 | 2012-01-25 | 杨洁 | Composite air spring for limit buffer and pressure limit impact reduction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202132432U (en) | Compound air spring combined by position-limit buffering and pressure-limit reducing | |
| CN202251614U (en) | Air spring capable of adjusting static and dynamic stiffness through punching liquid and diaphragm hole with impact reduction function | |
| CN202251638U (en) | Composite air spring with built-in helical spring and auxiliary tank for reducing impact | |
| CN102330769A (en) | Air spring for regulating static rigidity through volume and regulating dynamic rigidity through auxiliary air chamber | |
| CN202170950U (en) | Air spring with functions of space-limiting buffering, pressure-limiting buffering and volume static rigidity readjusting | |
| CN202301697U (en) | Air spring with combination of rigidity adjustment, pressure limiting and impact reduction of auxiliary gas chamber | |
| CN202301701U (en) | Air spring with static stiffness adjusted by filling liquid and dynamic stiffness adjusted by diaphragm throttling hole | |
| CN102330770A (en) | Composite air spring for limit buffer and pressure limit impact reduction | |
| CN102401057A (en) | Air spring with static stiffness adjusted through capacity and dynamic stiffness adjusted through throttling | |
| CN202301696U (en) | Air spring capable of adjusting static rigidity by capacity and adjusting dynamic rigidity by auxiliary tank | |
| CN202215657U (en) | Air spring with combination of built-in spiral spring and auxiliary air chamber | |
| CN202125556U (en) | Pneumatic suspension adjusting static stiffness through buffering by space limiting, impact reduction by pressure limiting and filling | |
| CN102278404A (en) | Diaphragm type air spring for regulating increasing and reducing of dynamic stiffness in auxiliary air chamber | |
| CN102330783A (en) | Air spring with functions of regulating static rigidity and dynamic rigidity by filled liquid and membrane hole and reducing impact | |
| CN202170952U (en) | Composite air spring with adjustable static stiffness through liquid filling and capable of damping air chamber | |
| CN102392867A (en) | Air spring adjusting static stiffness and dynamic stiffness through volume and displacement and having pressure-limiting and impact-reducing functions | |
| CN102330791A (en) | Composite air spring provided with built-in helical spring and auxiliary air chamber to reduce impact | |
| CN202215652U (en) | Composite air spring with static stiffness adjusted by filling and with auxiliary tank reducing impact | |
| CN102330772A (en) | Air spring for limit buffer, pressure limit impact reduction and static rigidity adjustment with volume | |
| CN102287469A (en) | Limiting buffer and capacity composite air spring capable of adjusting static stiffness | |
| CN202301698U (en) | Air spring with variable volume and diaphragm hole capable of adjusting dynamic and static stiffness to increase and reduce impact | |
| CN102345699A (en) | Variable dynamic rigidity composite air spring internally provided with auxiliary air chamber and orifice plug | |
| CN202170954U (en) | Composite air spring having helical spring for filling liquid and auxiliary air chamber inside | |
| CN202326877U (en) | Air spring for regulating static/dynamic stiffness by virtue of filler and diaphragm hole to increase/reduce impact | |
| CN102392868A (en) | Composite air spring with built-in spiral spring plus filled liquid and auxiliary air chamber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120201 Termination date: 20140712 |
|
| EXPY | Termination of patent right or utility model |