CN205800699U - The active stiffness control device of rubber air spring - Google Patents
The active stiffness control device of rubber air spring Download PDFInfo
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- CN205800699U CN205800699U CN201620662236.6U CN201620662236U CN205800699U CN 205800699 U CN205800699 U CN 205800699U CN 201620662236 U CN201620662236 U CN 201620662236U CN 205800699 U CN205800699 U CN 205800699U
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- valve body
- kou
- electric magnet
- seal
- piston
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Abstract
The utility model discloses the active stiffness control device of a kind of rubber air spring, including piston, seal, valve body, spool and electric magnet, described valve body is fixed in piston, forms air chamber between described valve body and piston；The QI KOU one of communicated air bags and valve body it is provided with on described piston, the QI KOU two of connection valve body and air chamber it is provided with on described valve body, described electric magnet is fixed on valve body lower portion, described seal is arranged in valve body, described spool is fixing with seal in stretching into valve body after passing electric magnet to be connected, and electric magnet coordinates control seal opening and closing QI KOU one with spool.This utility model can relatively low to obtain suitable and comfortable offset frequency by the basic rigidity Design of rubber air spring, can the most actively improve again the rigidity of rubber air spring in vehicle traveling process, thus obtain best comfort and handling.
Description
Technical field
This utility model belongs to vehicle chassis field, particularly relates to the active stiffness control dress of a kind of rubber air spring
Put.
Background technology
Rubber air spring is a kind of curved capsule fitted by rubber, netting twine, be commonly called as false pregnancy due to stagnation of QI, ripple false pregnancy due to stagnation of QI, air bag,
Foot blower etc..Capsule both ends need to be connected with two block plates, forms a delivery air chamber.Rubber and netting twine do not provide itself
Bearing capacity to load, but completed by the compressed air being filled with in capsule.Its bent capsule number is usually 1 ~ 3 bent capsule, but according to
Needs can also be designed and manufactured into more than 4 songs or 5 songs, it is also possible to two air spring superpositions is used under certain condition.
Suspending way with rubber air spring as flexible member is called airsuspension system.The most external high-grade bus,
Nearly all equipped with airsuspension system on car and tractor, domestic medium-to-high grade passenger vehicle also using airsuspension system.Work as car
Use after airsuspension system, it is possible to achieve being automatically adjusted of bodywork height, make bodywork height keep constant, rubber air bullet
The natural frequency of spring is low, and vibration damping and soundproof effect are good, can be greatly improved the smooth-going row that vehicle travels, and the flexibility of carriage is with easypro
Adaptive, simultaneously can effectively protect on car self and the precision instrument of transport and electric equipment, reduce maintenance frequency and reduce dimension
Repair expense, prolongation vehicle service life, and be substantially reduced the impact of vehicle road pavement, extend the service life on road surface.Along with state
The maturation of interior airsuspension system application technology, and the execution that country is to passenger vehicle credit rating evaluation new regulation, air spring
Application prospect on vehicle will be more and more universal and wide.
Chinese patent notification number is that the prior art of CN204127188U discloses one on January 28th, 2015 and is applicable to
The rubber air spring of bullet train vibration isolation sound insulation, its technical scheme includes a rubber pneumatic bag, and the upper end of rubber pneumatic bag connects
Cover plate, lower end connection is had to have base, the diameter of section of described rubber pneumatic bag to be the most gradually contracting in arcuation of tubular, its two ends diameter
Little and form diameter at its both ends less than two installing holes of position, intermediate portion diameter, the two ends up and down of described rubber pneumatic bag are divided
Not being tightly connected with cover plate and base by installing hole, described rubber pneumatic bag can carry out axial stretching.This patent uses above-mentioned side
Case, in use state, product design maximum height and minimum altitude, rubber pneumatic bag is flexible, when vehicle exists in the range of stroke
In transportation, running into the collision of hard thing and Uneven road, play the effect of damping and silencing, utilize the plasticity of gas, rigidity is low,
Frequency is low, improves vehicle ride comfort under steam and comfort.But in actual use, this patent can not be at automobile
Driving process the most actively improves the rigidity of rubber air spring, i.e. can not comfortableness and handling between seek to put down
Weighing apparatus.
Utility model content
The purpose of this utility model is to overcome the above-mentioned problems in the prior art, it is provided that a kind of rubber air spring
Active stiffness control device, this utility model can relatively low suitable to obtain by the basic rigidity Design of rubber air spring
And comfortable offset frequency, can the most actively improve again the rigidity of rubber air spring in vehicle traveling process, simultaneously because of rubber
The gas internal energy that the compression of glue air spring increases can slowly discharge when rubber air spring extends and extend rubber air spring
Produce damping, can alleviate the energy expenditure of amortisseur and the generation of heat, thus obtain best comfort and handling.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of active stiffness control device of rubber air spring, it is characterised in that: include piston, seal, valve
Body, spool and electric magnet, described valve body is fixed in piston, forms air chamber between described valve body and piston；Described
It is provided with the QI KOU one of communicated air bags and valve body on piston, described valve body is provided with the QI KOU of connection valve body and air chamber
Two, described electric magnet is fixed on valve body lower portion, and described seal is arranged in valve body, and described spool stretches into valve after electric magnet
Internal fixing with seal is connected, and electric magnet coordinates control seal opening and closing QI KOU one with spool.
It is additionally provided with connection valve body and the QI KOU three of air chamber on described valve body, described QI KOU three is provided with check valve；And
The latus rectum of described QI KOU two is less than the latus rectum of QI KOU one, and the latus rectum of described QI KOU one is less than the latus rectum of QI KOU three.
The quantity of described QI KOU two is one or more, and for time multiple, multiple QI KOU two are arranged around axle center on valve body.
Being fixedly installed lead terminal on described piston, described electric magnet is connected with lead terminal by cable.
Employing the utility model has the advantage of:
One, in this utility model, valve body is connected with air bag by QI KOU one, and valve body connects with air chamber further through QI KOU two,
Seal can open and close QI KOU one under the driving of spool.Under this structure, when electric magnet no power, spool is at electricity
Moving downward with seal under the effect of Magnet reset force, seal separates with QI KOU one, and QI KOU one is opened, and air chamber is through gas
Mouth one connects with air bag with QI KOU two, participates in air bag compression and the volume sum that gas total measurement (volume) is air chamber and air bag of elongation,
Because volume is relatively big, the rigidity of rubber air spring is smaller.When the solenoid is energized, spool under the effect of electric magnet with
Seal fast upward motion seals QI KOU one, and air chamber disconnects with the connection of air bag, and now air bag participates individually in compression and elongation,
And air chamber is not involved in work, compression and the elongation rigidity of air bag are significantly increased, and compared with prior art, this utility model can rely on
Electric magnet switches the volume that is effectively compressed of rubber air spring to the opening and closing of QI KOU one, thus obtains different traveling road conditions needs
Different-stiffness, can relatively low to obtain suitable offset frequency by the basic rigidity Design of rubber air spring, improve ride comfort
Property, can bring to a halt etc. according to vehicle and turning in vehicle traveling process again needs actively to improve the rigidity of rubber air spring,
Improve vehicle operating stability.Further, since be directly connected between electric magnet quick action and vehicle-mounted ECU, therefore use electricity
The electromagnetic force of Magnet goes opening and closing QI KOU one by spool and seal, can ensure that the rigidity Rapid Variable Design of rubber air spring, from
And the active realizing rubber air spring rigidity controls.
Two, in this utility model, when the pressure reduction of the air pressure in the air pressure in air bag with air chamber is slightly larger, due to QI KOU two
Latus rectum is less than the latus rectum of QI KOU one, and the latus rectum of QI KOU one is less than the latus rectum of QI KOU three, and therefore, QI KOU two is not enough to rapidly
Being expelled in air chamber by gas in air bag, now the check valve in QI KOU three is opened, and the gas in air bag passes through gas simultaneously
Mouth two and QI KOU three enter air chamber, and so, the portion gas energy storage increased when just can be compressed by air bag is in air chamber.Air bag
After being compressed during elongation, QI KOU three is closed by the air pressure in air bag less than the air pressure in air chamber, check valve, and the gas in air chamber is only
QI KOU two can be passed sequentially through and QI KOU one enters air bag, owing to the latus rectum of QI KOU two is less, therefore the gas passed through be produced resistance
Buddhist nun, it is possible to reduce gas and enter the speed of air bag from air chamber, also it is prevented that air bag is by the quick bounce-back after compressing.
Three, in this utility model, when the quantity of QI KOU two is multiple, multiple QI KOU two are arranged around axle center on valve body, should
Structure is conducive to the smooth change of air pressure between air bag and air chamber.
Four, in this utility model, electric magnet is connected with the lead terminal being fixed on piston, to electromagnetism by cable
The control of ferrum is more flexibly, conveniently and accurately.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Being labeled as in figure: 1, seal, 2, valve body, 3, spool, 4, electric magnet, 5, piston, 6, lead terminal, 7,
Air bag, 8, check valve, 9, QI KOU one, 10, air chamber, 11, QI KOU two, 12, QI KOU three.
Detailed description of the invention
The active stiffness control device of a kind of rubber air spring, including piston 5, seal 1, valve body 2, spool 3
With electric magnet 4, described valve body 2 is fixed in piston 5, forms air chamber 10 between described valve body 2 and piston 5；Described
It is provided with the QI KOU 1 of communicated air bags 7 and valve body 2 on piston 5, described valve body 2 is provided with connection valve body 2 and air chamber 10
QI KOU 2 11, described electric magnet 4 is fixed on valve body 2 bottom, and described seal 1 is arranged in valve body 2, and described spool 3 passes
Stretching into interior the fixing with seal 1 of valve body 2 after electric magnet 4 to be connected, seal 1 is controlled to move up and down by spool 3, during work, and electromagnetism
Ferrum 4 coordinates control seal 1 to open or close QI KOU 1 with spool 3.
In this utility model, described valve body 2 is additionally provided with the QI KOU 3 12 of connection valve body 2 and air chamber 10, described QI KOU
Check valve 8 it is provided with on 3 12；And the latus rectum of described QI KOU 2 11 is much smaller than the latus rectum of QI KOU 1, the latus rectum of described QI KOU 1
Latus rectum less than QI KOU 3 12.Further, the quantity of described QI KOU 2 11 is one or more, for time multiple, and multiple QI KOU
2 11 arrange around axle center on valve body 2.
In this utility model, described QI KOU 2 11 is preferably circular hole, and described QI KOU 1 and QI KOU 3 12 can be circular hole,
Can also be square hole or other shape hole.
In this utility model, when vehicle is in static state, preferably the volume of air chamber 10 is more than the volume of air bag 7.
In this utility model, described piston 5 is fixedly installed the lead terminal 6 for controlling electric magnet 4 work,
Described electric magnet 4 is connected with lead terminal 6 by cable.
In this utility model, under conditions of the effectiveness stroke guaranteeing air bag 7 meets needs, shorten rubber as far as possible empty
The axial length of air spring is to reduce the volume of air bag 7, and the shape and the length that change piston 5 increase piston 5 simultaneously
Volume, at the latus rectum ratio plus appropriate design QI KOU 1, QI KOU 2 11 and QI KOU 3 12, electric magnet 4 no power can be obtained
In the case of, air bag 7 has relatively low rigidity when compressing, have bigger damping during elongation, electric magnet 4 is energized when, and air bag 7
There is again bigger rigidity, to obtain while vehicle travels and have more preferable comfortableness, can preferably anti-side incline when zig zag
And can antidive during anxious braking.
Enforcement principle of the present utility model is:
1, when electric magnet 4 no power, spool 3 moves downward with seal 1 under the effect of electric magnet 4 reset force,
QI KOU 1 is opened, wherein:
When air bag 7 compresses, when the least the failing of pressure reduction of the air pressure in the air pressure in air bag 7 with air chamber 10 opens check valve 8,
Gas in air bag 7 enters air chamber 10 by QI KOU 1 and QI KOU 2 11, the air pressure in the air pressure in air bag 7 with air chamber 10
Pressure reduction slightly larger time, the check valve 8 in QI KOU 3 12 is opened, and the gas in air bag 7 is simultaneously by QI KOU 1, QI KOU 2 11
Entering air chamber 10 with QI KOU 3 12, the portion gas energy storage increased when being compressed by air bag 7 is in air chamber 10.
When air bag 7 extends, check valve 8 is closed, and the gas of air chamber 10 can only pass through QI KOU 2 11, QI KOU 1 enters air bag
7, due to much less than QI KOU 1 of the latus rectum of QI KOU 2 11, produce bigger damping to by the gas of QI KOU 2 11, air bag 7 is pressed
The energy being stored in air chamber 10 during contracting will not be quickly returning to air bag 7, it is suppressed that the rapid elongation of air bag 7.
2, when electric magnet 4 is energized, spool 3 under the effect of electric magnet 4 with seal 1 fast upward motion blanket gas
Mouth 1, is disconnected between air bag 7 and air chamber 10, and now air bag 7 participates individually in compression and elongation, and air chamber 10 is not involved in work,
Compression and the elongation rigidity of air bag 7 are significantly increased.
Claims (4)
1. the active stiffness control device of a rubber air spring, it is characterised in that: include piston (5), seal
(1), valve body (2), spool (3) and electric magnet (4), described valve body (2) is fixed in piston (5), described valve body (2) with live
Air chamber (10) is formed beyond the Great Wall between shell (5)；The QI KOU one of communicated air bags (7) and valve body (2) it is provided with on described piston (5)
(9), described valve body (2) being provided with the QI KOU two (11) of connection valve body (2) and air chamber (10), described electric magnet (4) is fixed on
Valve body (2) bottom, described seal (1) is arranged in valve body (2), and described spool (3) stretches into valve body after electric magnet (4)
(2) fixing with seal (1) in and be connected, electric magnet (4) coordinates control seal (1) opening and closing QI KOU one (9) with spool (3).
2. the active stiffness control device of rubber air spring as claimed in claim 1, it is characterised in that: described valve body (2)
On be additionally provided with connection valve body (2) and the QI KOU three (12) of air chamber (10), described QI KOU three (12) is provided with check valve (8)；
And the latus rectum of described QI KOU two (11) is less than the latus rectum of QI KOU one (9), the latus rectum of described QI KOU one (9) is less than QI KOU three (12)
Latus rectum.
3. the active stiffness control device of rubber air spring as claimed in claim 1 or 2, it is characterised in that: described QI KOU
The quantity of two (11) is one or more, and for time multiple, multiple QI KOU two (11) are arranged around axle center on valve body (2).
4. the active stiffness control device of rubber air spring as claimed in claim 1, it is characterised in that: described piston
(5) being fixedly installed lead terminal (6) on, described electric magnet (4) is connected with lead terminal (6) by cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620662236.6U CN205800699U (en) | 2016-06-29 | 2016-06-29 | The active stiffness control device of rubber air spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620662236.6U CN205800699U (en) | 2016-06-29 | 2016-06-29 | The active stiffness control device of rubber air spring |
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| Publication Number | Publication Date |
|---|---|
| CN205800699U true CN205800699U (en) | 2016-12-14 |
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ID=57512763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620662236.6U Active CN205800699U (en) | 2016-06-29 | 2016-06-29 | The active stiffness control device of rubber air spring |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884921A (en) * | 2017-03-22 | 2017-06-23 | 方盛车桥（苏州）有限公司 | A kind of stiffness variable air spring and the control system based on the air spring |
| CN109307041A (en) * | 2018-12-11 | 2019-02-05 | 吉林大学 | Semi- active control hydraulic mount based on air spring |
| CN109362020A (en) * | 2018-09-30 | 2019-02-19 | 浙江中科电声研发中心 | A kind of Numerical Simulation Analysis method of speaker frame dynamic stiffness |
| CN110873143A (en) * | 2018-08-29 | 2020-03-10 | 郑州宇通客车股份有限公司 | Variable-stiffness air spring system, vehicle and vehicle stability control method |
| CN117782400B (en) * | 2024-02-23 | 2024-04-26 | 贵州桥梁建设集团有限责任公司 | Bridge cable force monitoring and early warning device with cable structure |
-
2016
- 2016-06-29 CN CN201620662236.6U patent/CN205800699U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884921A (en) * | 2017-03-22 | 2017-06-23 | 方盛车桥（苏州）有限公司 | A kind of stiffness variable air spring and the control system based on the air spring |
| CN110873143A (en) * | 2018-08-29 | 2020-03-10 | 郑州宇通客车股份有限公司 | Variable-stiffness air spring system, vehicle and vehicle stability control method |
| CN109362020A (en) * | 2018-09-30 | 2019-02-19 | 浙江中科电声研发中心 | A kind of Numerical Simulation Analysis method of speaker frame dynamic stiffness |
| CN109307041A (en) * | 2018-12-11 | 2019-02-05 | 吉林大学 | Semi- active control hydraulic mount based on air spring |
| CN117782400B (en) * | 2024-02-23 | 2024-04-26 | 贵州桥梁建设集团有限责任公司 | Bridge cable force monitoring and early warning device with cable structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |