CN108980258A - A kind of magnetorheological damping regulating valve - Google Patents
A kind of magnetorheological damping regulating valve Download PDFInfo
- Publication number
- CN108980258A CN108980258A CN201810743124.7A CN201810743124A CN108980258A CN 108980258 A CN108980258 A CN 108980258A CN 201810743124 A CN201810743124 A CN 201810743124A CN 108980258 A CN108980258 A CN 108980258A
- Authority
- CN
- China
- Prior art keywords
- valve
- circulation passage
- piston
- main body
- circulation
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a kind of magnetorheological damping regulating valves, including piston main body, sealing ring, piston base, circulation valve module, extruding valve module etc..The circulation valve module includes nut, limited block, flow- through valve plate group etc..The limited block, flow- through valve plate group are fixed on piston main body by nut；The extruding valve module includes throttling valve core, extruding valve body, coil, magnetorheological fluid, reset spring etc..The extruding valve body, throttling valve core, coil, reset spring are encapsulated in squeezing valve body by being threadedly engaged between piston base and squeezing valve, which can be applied to monotubular, dual-tube shock absorber.The present invention have many advantages, such as magnetorheological fluid usage amount it is few, can active control, damping it is stepless it is adjustable, dynamic response is fast, can effectively promote the comfortableness and security of vehicle, while meeting the individual demand of driving.
Description
Technical field
The present invention relates to a kind of damping regulating valve that can be used for monotubular, dual-tube shock absorber field, specifically one kind makes
The damper magnetorheological damping regulating valve that resistance of shock absorber characteristic changes with operating condition.
Background technique
As a pair of born contradiction, it is softer that comfort requires damper to provide for the driver comfort of automobile and safety
Damping force, drive safety require damper to provide biggish damping force again.When suspension up and down motion speed is higher, acceleration compared with
When big, need damping also larger, when suspension up and down motion speed is smaller, acceleration is smaller, lesser damping is needed, so that vehicle
Have preferable ride performance and maneuverability.When traditional passive damper face this contradiction when, can only often adopt
It takes and copes with shifting events by sticking to a fundamental principle, i.e., a kind of scheme of " compromise " faces the road conditions and difference of complexity with fixed damped coefficient
Driving habit, often result in the decline of comfort and the reduction of maneuverability.
Therefore, half popular in recent years active, Active suspension technology can adjust in real time suspension according to road conditions
Rigidity and damping make suspension be in optimal vibration damping state, improve driver comfort and the safety of automobile.Such as publication No.
A kind of damping of the patented invention of CN106015434A and application number CN201710499846.8 has a pole adjustable shock absorber, this to subtract
Vibration device can choose several pre-set damping gears, but cannot accomplish to damp stepless adjustable；Application number
A kind of magneto-rheological vibration damper of the patented invention of CN201710306815.6 and publication No. CN204113993U, this damper can
It with electrodeless adjustment damping, but needs to fill magnetorheological fluid in working cylinder, the magnetorheological fluid needed is more, higher cost.
Summary of the invention
For above-mentioned disadvantage of the existing technology, few, resistance that the object of the present invention is to provide a kind of magnetorheological fluid usage amounts
The stepless adjustable, dynamic response of Buddhist nun is fast, is capable of the damper magnetorheological damping regulating valve of active control.
For achieving the above object, the technical scheme adopted by the invention is as follows: a kind of magnetorheological damping regulating valve, including cylinder
Body, it is rod chamber above the piston main body that the cylinder body is interior, which to be equipped with piston main body and piston base, the piston base lower section
For rodless cavity, the piston base is equipped with oil passage H, and the oil passage H is connected to the rodless cavity；The piston master
It is provided on body above the first circulation passage A, the second circulation passage B and third circulation passage C, the third circulation passage C and stream
The connection of port valve component, circulation valve module are located in the rod chamber, and the first circulation passage A is connected to the rod chamber, institute
It states the second circulation passage B to be connected to the first circulation passage A, connect below the third circulation passage C with the oil passage H
It is logical, extruding valve body, the outside wall surface for squeezing valve body and institute are embedded between the piston main body and the piston base
State surrounded between piston main body inner wall recovery a channel D, the recovery channel D simultaneously with the oil passage H and described
Second circulation passage B connection；It is equipped with coil in the extruding valve body, is equipped in the sealing cavity of the coil Bao Rao magnetorheological
Liquid, throttling valve core also cross the recovery channel D, squeeze valve body, magnetorheological fluid and piston base, throttling valve core can be
It is free to slide in spool movable chamber K in the piston base, reset spring, the spool are equipped in the spool movable chamber K
Movable chamber K is connected to by recirculation hole G with the rodless cavity.
In above scheme, the outer diameter of the throttling valve core is greater than the aperture of the second circulation passage B.
In above scheme, the circulation valve module includes nut, limited block and flow- through valve plate group, the flow- through valve plate group with
The third circulation passage C-terminal fitting, the flow- through valve plate group are fixed on the piston main body by limited block and nut.
In above scheme, magnetic partiting ring is equipped between the coil and the magnetorheological fluid.
In above scheme, between the piston main body and the cylinder body, the throttling valve core and the extruding valve body it
Between, between the throttling valve core and the piston base be mounted on sealing ring.
Compared with prior art, a kind of resistance of shock absorber regulating valve of the present invention, reached it is following the utility model has the advantages that
(1) a kind of magnetorheological damping regulating valve of the invention, groundwork oil liquid are still common damper fluid pressure oil, need to only be used few
The magnetorheological fluid of amount as damping regulating valve control liquid, reduce magnetorheological fluid usage amount, reduce magneto-rheological vibration damper at
This.(2) the stepless adjustable, dynamic response of damping can be realized in conjunction with electric-control system in a kind of magnetorheological damping regulating valve of the invention
Fast effect realizes the semi- active control to automotive suspension, and effectively promotes the comfortableness and security of vehicle based on this,
Meet the individual demand of driving simultaneously.
Detailed description of the invention
Fig. 1 is a kind of magnetorheological damping regulating valve diagrammatic cross-section of the invention.
Fig. 2 is piston main body cross-sectional view of the invention.
Fig. 3 is a kind of magnetorheological damping regulating valve Distribution of Magnetic Field schematic diagram of the invention.
Fig. 4 is a kind of magnetorheological damping regulating valve compression travel oil liquid flow graph of the invention.
Fig. 5 is that a kind of magnetorheological damping regulating valve of the invention restores stroke oil liquid flow graph.
Wherein: 1- piston main body；2- nut；3- limited block；4- flow- through valve plate group；5- sealing ring；6- throttling valve core；7- is multiple
Position spring；8- piston base；；10- squeezes valve body；11- coil；12- magnetic partiting ring；13- magnetorheological fluid；A- is first-class all
Road；The second circulation passage of B-；C- third circulation passage；D- restores channel；E- rod chamber；F- rodless cavity；G- recirculation hole；H- oil liquid
Channel；I- squeezes valve module installation cavity；J- piston base installation cavity；K- spool movable chamber.
Specific embodiment
Present invention will be further explained with reference to the attached drawings and specific examples, but protection scope of the present invention is simultaneously
It is without being limited thereto.
As shown in Figure 1, a kind of magnetorheological damping regulating valve of the present invention, including piston main body 1, sealing ring 5, piston
Pedestal 8, squeezes valve module at circulation valve module.The circulation valve module includes nut 2, limited block 3, flow- through valve plate group 4.It is described
Limited block 3, flow- through valve plate group 4 are fixed on piston main body 1 by nut 2；The extruding valve module includes throttling valve core 6, squeezes
Pressure valve body 10, coil 11, magnetic partiting ring 12, magnetorheological fluid 13, reset spring 7 etc..The throttling valve core 6, resets bullet at coil 12
Spring 7 is successively encapsulated in by being threadedly engaged between piston base 8 and piston main body 1 and is squeezed in valve body 10.Piston base 8 four
All machining internal threads and throttling valve core 6 movable chamber K, spool movable chamber K are provided with the linked hole G of connection rodless cavity F, and linked hole G is protected
Demonstrate,proving throttling valve core 6 can move squeezing valve body 10.Reset spring 7 is installed in 6 lower part of throttling valve core, when for compression travel to be truncated
Recovery channel D.Piston base 8 is provided with oil passage H in the position of circulation passage C and recovery channel D, for compressing and restoring
When, the circulation of oil liquid.Oil liquid, throttling valve core 6 and squeezing valve are isolated by sealing ring 5 between the piston main body 1 and working cylinder
Sealing ring 5 is installed between valve body 10, piston base 8, prevents oil liquid from entering 13 chamber of magnetorheological fluid.Squeeze valve body 10 and piston bottom
Sealing ring 5 is installed between seat 8, prevents oil liquid from entering coil 11.
In compression travel, as shown in Fig. 1,4, piston main body 1 is moved downward, and the pressure of rod chamber E reduces, rodless cavity F
Pressure increase, the oil liquid of rodless cavity E opens flow- through valve plate group by third circulation passage C, gives automobile one compressed line of offer
Oil liquid is truncated from rodless cavity simultaneously as the effect of reset spring 7, throttling valve core 6 and piston main body 1 are closed in the damping force of journey
F enters rod chamber E via channel D, the second circulation passage B, the first circulation passage A is restored.
In restoring stroke, as shown in Figure 1,5, piston main body 1 is moved upwards, and the pressure of rod chamber E increases, rodless cavity F
Pressure reduce, the oil liquid of rod chamber E opens throttling valve core 6 by the first circulation passage A and the second circulation passage B, by U-shaped
Recovery channel D enter rodless cavity F, throttling valve core 6 moves in magnetorheological fluid 13 at this time, the damping by magnetorheological fluid 13
Power.By changing the size of current of coil 11, change the viscosity of magnetorheological fluid 13, the resistance that throttling valve core 6 is subject to during exercise
Also just changed, have adjusted the aperture of valve.According to the body-acceleration sensor on vehicle, wheel acceleration sensing
The data of the sensors such as device, velocity sensor and lateral acceleration sensor judge vehicle running state, single by center control
First ECU carries out operation, and subsequent ECU issues corresponding instruction to damper coil 11, and the aperture of control valve provides adaptation
The damping of current state.
Embodiment described above is the preferred embodiments of the present invention, but present invention is not limited to the embodiments described above,
Any conspicuous improvement that without departing from the essence of the present invention, those skilled in the art can make,
Replacement or modification all belongs to the scope of protection of the present invention.
Claims (5)
1. a kind of magnetorheological damping regulating valve, including cylinder body, which is characterized in that be equipped in the cylinder body piston main body (1) and living
It fills in pedestal (8), is rod chamber above the piston main body (1), be rodless cavity, the piston bottom below the piston base (8)
Seat (8) is equipped with oil passage H, and the oil passage H is connected to the rodless cavity；First is provided on the piston main body (1)
It is connect above circulation passage A, the second circulation passage B and third circulation passage C, the third circulation passage C with circulation valve module,
Circulation valve module is located in the rod chamber, and the first circulation passage A is connected to the rod chamber, second circulation passage
B is connected to the first circulation passage A, is connected to below the third circulation passage C with the oil passage H, the piston master
It is embedded between body (1) and the piston base (8) and squeezes valve body (10), the outside wall surface for squeezing valve body (10) and institute
State surrounded between piston main body (1) inner wall recovery a channel D, the recovery channel D simultaneously with the oil passage H and institute
State the second circulation passage B connection；Coil (11) are equipped in the extruding valve body (10), the sealing of coil (11) wrapping is empty
Intracavitary to be equipped with magnetorheological fluid (13), throttling valve core (6) is also cross the recovery channel D, extruding valve body (10), magnetorheological fluid
(13) and piston base (8), throttling valve core (6) can be free to slide in the spool movable chamber K in the piston base (8),
Reset spring (7) are equipped in the spool movable chamber K, the spool movable chamber K is connected to by recirculation hole G with the rodless cavity.
2. a kind of magnetorheological damping regulating valve according to claim 1, which is characterized in that outside the throttling valve core (6)
Diameter is greater than the aperture of the second circulation passage B.
3. a kind of magnetorheological damping regulating valve according to claim 1 or 2, which is characterized in that the circulation valve module packet
Nut (2), limited block (3) and flow- through valve plate group (4) are included, the flow- through valve plate group (4) and the third circulation passage C-terminal paste
It closes, the flow- through valve plate group (4) is fixed on the piston main body (1) by limited block (3) and nut (2).
4. a kind of magnetorheological damping regulating valve according to claim 1 or 2, which is characterized in that the coil (11) and institute
It states and is equipped with magnetic partiting ring (12) between magnetorheological fluid (13).
5. a kind of magnetorheological damping regulating valve according to claim 1 or 2, which is characterized in that the piston main body (1) and
Between the cylinder body, between the throttling valve core (6) and the extruding valve body (10), the throttling valve core (6) and the work
Sealing ring (5) are mounted between plug pedestal (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810743124.7A CN108980258B (en) | 2018-07-09 | 2018-07-09 | Magneto-rheological damping regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810743124.7A CN108980258B (en) | 2018-07-09 | 2018-07-09 | Magneto-rheological damping regulating valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108980258A true CN108980258A (en) | 2018-12-11 |
| CN108980258B CN108980258B (en) | 2020-07-31 |
Family
ID=64537516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810743124.7A Active CN108980258B (en) | 2018-07-09 | 2018-07-09 | Magneto-rheological damping regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108980258B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107636A (en) * | 2019-04-25 | 2019-08-09 | 江苏大学 | A kind of two-way magnetorheological damping regulating valve |
| CN113266660A (en) * | 2021-06-10 | 2021-08-17 | 浙江戈尔德智能悬架股份有限公司 | Novel built-in CDC shock absorber |
| CN113483049A (en) * | 2021-07-13 | 2021-10-08 | 上海工程技术大学 | Rigidity-adjustable intelligent hydraulic damper and adjusting method thereof |
| WO2024044872A1 (en) * | 2022-08-29 | 2024-03-07 | 上海汽车集团股份有限公司 | Valve core assembly and built-in electronically controlled shock absorber comprising same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060124413A1 (en) * | 2004-12-09 | 2006-06-15 | Namuduri Chandra S | Magnetorheological device and system and method for using the same |
| CN105805218A (en) * | 2016-05-31 | 2016-07-27 | 长春孔辉汽车科技股份有限公司 | Magnetorheological valve control damping-controllable shock absorber |
| CN105864346A (en) * | 2016-06-21 | 2016-08-17 | 辽宁工业大学 | Piston valve of magnetorheological fluid damper and magnetorheological fluid damper |
| JP2017015244A (en) * | 2015-06-30 | 2017-01-19 | 日立オートモティブシステムズ株式会社 | Cylinder device |
-
2018
- 2018-07-09 CN CN201810743124.7A patent/CN108980258B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060124413A1 (en) * | 2004-12-09 | 2006-06-15 | Namuduri Chandra S | Magnetorheological device and system and method for using the same |
| JP2017015244A (en) * | 2015-06-30 | 2017-01-19 | 日立オートモティブシステムズ株式会社 | Cylinder device |
| CN105805218A (en) * | 2016-05-31 | 2016-07-27 | 长春孔辉汽车科技股份有限公司 | Magnetorheological valve control damping-controllable shock absorber |
| CN105864346A (en) * | 2016-06-21 | 2016-08-17 | 辽宁工业大学 | Piston valve of magnetorheological fluid damper and magnetorheological fluid damper |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107636A (en) * | 2019-04-25 | 2019-08-09 | 江苏大学 | A kind of two-way magnetorheological damping regulating valve |
| CN113266660A (en) * | 2021-06-10 | 2021-08-17 | 浙江戈尔德智能悬架股份有限公司 | Novel built-in CDC shock absorber |
| CN113483049A (en) * | 2021-07-13 | 2021-10-08 | 上海工程技术大学 | Rigidity-adjustable intelligent hydraulic damper and adjusting method thereof |
| WO2024044872A1 (en) * | 2022-08-29 | 2024-03-07 | 上海汽车集团股份有限公司 | Valve core assembly and built-in electronically controlled shock absorber comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108980258B (en) | 2020-07-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108980258A (en) | A kind of magnetorheological damping regulating valve | |
| CN111379811B (en) | Damper with control valve | |
| EP3039312B1 (en) | Shock absorber with frequency dependent passive valve | |
| US9080634B2 (en) | Shock absorber with frequency dependent passive valve | |
| JP5350372B2 (en) | shock absorber | |
| CN113195932B (en) | Damper with single external control valve | |
| US11118649B2 (en) | Damper with side collector and external control valves | |
| US7950506B2 (en) | Semi third tube design | |
| US20100109277A1 (en) | Adjustable Monotube Shock Absorber | |
| CN201705852U (en) | Electric control type variable damping vibration absorber | |
| US9638280B2 (en) | Shock absorber with frequency dependent passive valve | |
| CN108331876A (en) | A kind of resistance of shock absorber regulating valve | |
| CN204284289U (en) | A kind of amplitude selects vibration damper | |
| CN110107636A (en) | A kind of two-way magnetorheological damping regulating valve | |
| CN103307168B (en) | Damping-adjustable shock absorber | |
| CN110439955A (en) | A kind of magnetorheological fluid unidirectional damping regulating valve | |
| CN204372028U (en) | Amplitude is correlated with damping characteristic vibration damper | |
| EP1664585B1 (en) | Shock absorber | |
| CN111365402B (en) | Magnetorheological fluid bidirectional damping regulating valve | |
| CN206503867U (en) | Adaptive transmission control | |
| CN106763428B (en) | A kind of double offset frequency variable damping dampers of passive type | |
| CN102358131A (en) | Semi-active suspension frame for tractor | |
| CN220668223U (en) | Train continuous damping control vibration damper | |
| CN201173267Y (en) | Automobile damper for automatically changing damping | |
| CN108488297A (en) | A kind of hydro-pneumatic spring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |