CN206972816U - A kind of magnetorheological seat buffer - Google Patents
A kind of magnetorheological seat buffer Download PDFInfo
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- CN206972816U CN206972816U CN201720875784.1U CN201720875784U CN206972816U CN 206972816 U CN206972816 U CN 206972816U CN 201720875784 U CN201720875784 U CN 201720875784U CN 206972816 U CN206972816 U CN 206972816U
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- piston
- piston rod
- magnetorheological
- magnetic flow
- ring
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Abstract
A kind of magnetorheological seat buffer, is related to buffer for seats.The magnetorheological seat buffer, it is using magnetic flow liquid as medium, coil is wound with the groove of piston, pass through control input electric current, make its applied field strengths that performance change occur, and then in Millisecond the rheological property of magnetic flow liquid can be made to change, realize the transformation between fluid and semisolid, so as to provide controllable damping force, it has the advantages that simple in construction, the damping force temperature stability that continuously inverse suitable adjustable and adjustable extent is big, response is fast, good and can controlled with microcomputer to combine.
Description
Technical field
Buffer for seats is the utility model is related to, more particularly to a kind of magnetorheological seat buffer.
Background technology
Magnetorheological seat buffer is applied to motor-vehicle seat system, realizes seat system and damps adjustable, greatly raising
Security, stationarity and the comfortableness of driver under steam.
Automobile in the process of moving, due to the unevenness on road surface, causes to act on vertical reaction on wheel, longitudinal counter-force
Fluctuated with lateral reaction, so as to produce vibration and impact, have a strong impact on the stationarity of vehicle and the stabilization of driver's operation
Property.It is much bigger when the relative velocity of wheel and vehicle body is than recessed road surface when by raised road surface.When restoring stroke, it is necessary to
There is bigger damping force, and it is relatively weak in the damping force that compression travel needs.Traditional Seat system for vehicle does not adapt to
Continually changing driving cycle.Magnetorheological seat buffer is a kind of state change that can be run according to surface conditions and vehicle
Change, real-time controller properties, remain stationarity and comfortableness of the driver in vehicle processes are driven.
Magnetorheological seat buffer, by the control to input current, makes its externally-applied magnetic field strong using magnetic flow liquid as medium
Performance change occurs for degree, and then in Millisecond the rheological property of magnetic flow liquid can be made to change, and realizes fluid and semisolid
Between transformation, so as to provide controllable damping force, it has simple in construction, damping force continuously inverse along adjustable and adjustable extent
Greatly, respond fast, good temperature stability and the good characteristics such as combination can be controlled with microcomputer.
The content of the invention
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of magnetorheological seat buffer, its
With the advantages of adjustable extent is big, response is fast, safe and reliable.
Technical scheme is used by the utility model：A kind of magnetorheological seat buffer, including outer shell, piston and piston
Bar, wherein, piston and piston rod are arranged at outer shell inner chamber, and piston is connected with piston rod thread, is characterized in that, described
Compensator is located at outer shell one end, and the O-ring and back-up ring for preventing that magnetic flow liquid from revealing are socketed with the outer wall of compensator；Described
Groove and damping hole are additionally provided with piston, coil is wrapped in groove and by piston gland and the guide ring for being located at piston outer wall
Fixed, outer shell inner chamber is divided into two magnetorheological sap cavities by piston, and two magnetorheological sap cavities connect with damping hole, magnetorheological
Liquid is flowed by damping hole in two magnetic flow liquid intracavitary, and electrical control lines one end is connected with coil, and the electrical control lines other end passes through piston
It is connected behind the inner chamber of bar with the control device of automobile, piston rod one end is connected with connector, and axle sleeve is interference fitted with connector, and
Connector is socketed on seat frame；Guide sleeve is socketed with the piston rod, and guide sleeve inner chamber is sequentially provided with from inside to outside to be socketed in
The guide ring and sealing ring of piston rod, sealing ring are fixed by inner sleeve and gland.
In such scheme, the diameter of described damping hole is in 0.2~0.8mm.
In such scheme, described electrical control lines are fixed by electrical control lines card.
In such scheme, sealing lip, described sealing lip and piston rod wall contacts are additionally provided with described sealing ring.
The beneficial effects of the utility model are：The magnetorheological seat buffer, it is using magnetic flow liquid as medium, in piston
Coil is wound with groove, by control input electric current, makes its applied field strengths that performance change occur, and then can be in Millisecond
The rheological property of magnetic flow liquid is changed, realize the transformation between fluid and semisolid, so as to provide controllable damping
Power, its have simple in construction, damping force continuously it is inverse along the temperature stability that adjustable and adjustable extent is big, response is fast, good with
And the advantages that combining can be controlled with microcomputer.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is magnetorheological seat buffer structural representation in the utility model embodiment；
Number explanation is as follows in figure：1O shapes circle, 2 back-up rings, 3 guide rings, 4 coils, 5 sealing rings, 51 sealing lips, 6 guide rings,
7 electrical control lines, 8 automatically controlled line cards, 9 connectors, 10 piston rods, 11 guide sleeves, 12 inner sleeves, 13 glands, 14 damping holes, 15 pistons, 16
Piston gland, 17 magnetic flow liquids, 18 outer shells, 19 diaphragms, 20 compensators, 21 axle sleeves.
Embodiment
Enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings 1 and specific
Embodiment is described in further detail to the utility model.
Embodiment：
The magnetorheological seat buffer that the present embodiment uses, including outer shell 18, piston 15 and piston rod 10, wherein, piston
15 and piston rod 10 be arranged at outer shell inner chamber, piston 15 is threadedly coupled with piston rod 10, and the compensator 20 with diaphragm 19 is set
In the one end of outer shell 18, the O-ring 1 and back-up ring 2 for preventing that magnetic flow liquid from revealing are socketed with the outer wall of compensator 20；On piston 15
Groove and damping hole 14 are additionally provided with, coil 4 winds along groove and passes through piston gland 16 and the guide ring 3 for being located at the outer wall of piston 15
Fixed, the inner chamber of outer shell 18 is divided into two magnetorheological sap cavities by piston 15, and two magnetorheological sap cavities connect with damping hole 14,
Magnetic flow liquid 17 is flowed by damping hole 14 in two magnetic flow liquid intracavitary, and the magnetic flow liquid used in the present embodiment is in high score
The intellectual material of ferromagnetic particle is embedded with sub- polymer, it is that the ferromagnetic particle of the microns of particle diameter 3 is incorporated into high score
In sub- polymer, solidify under magnetic field environment, so as to which the particle in matrix has chain or column structure.The springform of this material
Amount can change with applied field strengths, and it is that critical process is to disperse and add stabilizer that magnetic flow liquid, which is prepared,.In the present embodiment
The magnetic flow liquid used is IBL-0502 type shock absorber fluid.
The one end of electrical control lines 7 is connected with coil 4, the control behind the inner chamber that the other end of electrical control lines 7 passes through piston rod 10 with automobile
Device connects, by receiving current controling signal come the magnetic field size of regulating winding.The one end of piston rod 10 is connected with connector 9,
Axle sleeve 21 is interference fitted with connector 9, and connector 9 is socketed on seat frame；Guide sleeve 11 is socketed with piston rod 10, is led
It is sequentially provided with the guide ring 6 and sealing ring 5 for being socketed in piston rod 10 from inside to outside to 11 inner chambers of set, first sealing ring 5 passes through
Inner sleeve 12 is fixed, and second sealing ring 5 is plugged in inner sleeve 12, and is fixed by gland 13.
The diameter of damping hole 14 is in 0.2~0.8mm.Electrical control lines 7 are fixed by automatically controlled line card 8.Use is additionally provided with sealing ring 5
In the sealing lip 51 of frizing, sealing lip 51 also acts as the effect of auxiliary seal with the wall contacts of piston rod 10.The present embodiment uses
Sealing ring 5 for silicon, fluorine glue addition polymerization PTFE.
The operation principle of the magnetorheological seat buffer used in the present embodiment is as follows：
Magnetorheological seat buffer is single-cylinder type, is filled in compensator and uses nitrogen（30psi）, when being stretched for compensating piston bar
The Volume Changes of magnetorheological sap cavity, the reciprocal external force for acting on damper both ends promote piston, and the magnetic flow liquid at piston both ends leads to
Throttle orifice of the annular spread on piston is crossed back and forth to flow.When the electric current in coil increases, magnetic field will strengthen in throttle orifice, magnetic
The resistance that rheology liquid stream crosses throttle orifice increases therewith so that the damping force increase of damper output, conversely, electric current reduces, damping
Power also reduces.Therefore the regulation to input current is passed through, you can the size of control damper damping force.
The magnetic field viscosity used in the present embodiment is low, under magnetic fields, when equal shear yield strength increases, has more
Big adjustable extent；High-intensity magnetic field down cut yield strength is high, at least up to 30~100Kpa；Impurity interference is small, and use range is wide；
Temperature use range is wide, has high stability in comparatively wide temperature range；Fast response time, Millisecond can be reached, when
When MR fluid shock absorber is as active and semi- active control device, time lag problem is substantially not present；Resistance to settling is good, deposits for a long time
Put substantially not stratified；Energy consumption is low, and larger shear yield strength can be produced under weaker magnetic field；It is nontoxic, non-volatile, be no different
Taste.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with the power
The protection domain that profit requires is defined.
Claims (4)
1. a kind of magnetorheological seat buffer, including outer shell, piston and piston rod, wherein, piston and piston rod are arranged at outside
Cylinder inner chamber, piston are connected with piston rod thread, it is characterised in that compensator is located at outer shell one end, is socketed on the outer wall of compensator
There are the O-ring and back-up ring for preventing that magnetic flow liquid from revealing；Groove and damping hole are additionally provided with described piston, coil is wrapped in ditch
Fixed in groove and by piston gland with the guide ring for being located at piston outer wall, outer shell inner chamber is divided into two magnetic flow liquids by piston
Chamber, and two magnetorheological sap cavities connect with damping hole, magnetic flow liquid is flowed by damping hole in two magnetic flow liquid intracavitary, electricity
Control line one end is connected with coil, is connected behind the inner chamber that the electrical control lines other end passes through piston rod with the control device of automobile, piston rod
One end is connected with connector, and axle sleeve is interference fitted with connector, and connector is socketed on seat frame；It is socketed with the piston rod
Guide sleeve, guide sleeve inner chamber are sequentially provided with the guide ring and sealing ring for being socketed in piston rod from inside to outside, and sealing ring passes through inner sleeve
Fixed with gland.
2. magnetorheological seat buffer as claimed in claim 1, it is characterised in that the diameter of described damping hole is in 0.2-
0.8mm。
3. magnetorheological seat buffer as claimed in claim 1 or 2, it is characterised in that described electrical control lines pass through electrical control lines
Card is fixed.
4. magnetorheological seat buffer as claimed in claim 3, it is characterised in that sealing is additionally provided with described sealing ring
Lip, described sealing lip and piston rod wall contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720875784.1U CN206972816U (en) | 2017-07-19 | 2017-07-19 | A kind of magnetorheological seat buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720875784.1U CN206972816U (en) | 2017-07-19 | 2017-07-19 | A kind of magnetorheological seat buffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206972816U true CN206972816U (en) | 2018-02-06 |
Family
ID=61403051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720875784.1U Active CN206972816U (en) | 2017-07-19 | 2017-07-19 | A kind of magnetorheological seat buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206972816U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304217A (en) * | 2019-07-16 | 2019-10-08 | 浙江海洋大学 | One kind can deformation lifeboat |
| CN113771709A (en) * | 2020-11-04 | 2021-12-10 | 扬州市高升机械有限公司 | Vibration control intelligent seat according to frequency selection and control strategy thereof |
-
2017
- 2017-07-19 CN CN201720875784.1U patent/CN206972816U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304217A (en) * | 2019-07-16 | 2019-10-08 | 浙江海洋大学 | One kind can deformation lifeboat |
| CN113771709A (en) * | 2020-11-04 | 2021-12-10 | 扬州市高升机械有限公司 | Vibration control intelligent seat according to frequency selection and control strategy thereof |
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