CN106321715A - An inner drum structure for a magneto-rheological shock absorber - Google Patents
An inner drum structure for a magneto-rheological shock absorber Download PDFInfo
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- CN106321715A CN106321715A CN201510338576.3A CN201510338576A CN106321715A CN 106321715 A CN106321715 A CN 106321715A CN 201510338576 A CN201510338576 A CN 201510338576A CN 106321715 A CN106321715 A CN 106321715A
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- magneto
- connecting rod
- inner core
- rheological
- core body
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Abstract
The invention provides an inner drum structure for a magneto-rheological shock absorber. The inner drum structure comprises an inner drum body. A floating valve body is arranged in the inner drum body; the inside of the inner drum body, at the front end of the floating valve body, is filled with high pressure gas; the inside of the inner drum body, at the rear end of the floating valve body, is filled with magneto-rheological liquid; the rear end of the inner drum body is provided with a guide oil seal used for sealing the magneto-rheological liquid; the middle portion of the guide oil seal is provided with a through hole through which a piston rod can pass; the front end of the inner drum body is provided with a connecting rod; a shock absorber is fixedly connected with a vehicle via the connecting rod. The inner drum structure for a magneto-rheological shock absorber is simple and low in manufacture cost; the magneto-rheological liquid in the inner drum body can generate damping force with great controllability by the action of magnetic fields and the damping force is steplessly adjustable within a certain range.
Description
Technical field
The present invention relates to the parts of a kind of vibroshock, more specifically to a kind of magneto-rheological vibration damping
The inner tube structure of device.
Background technology
Domestic automobile is wide variety of at present is traditional passive suspension shock-absorber, this vibroshock
Damped coefficient and spring rate be changeless, it is impossible to play good damping effect；And
Active suspension is obtained in that a preferable vibrating isolation system in theory, it is achieved preferably Suspension control
Target, but its power consumption is big, cost is high, and structure is complicated；Cartridge type magnetic in semi-active suspension
Rheology vibroshock effectively solves comfortableness and the contradiction of stability that passive suspension exists, with
Time controlling in effect the performance also close to Active suspension, and simple in construction, price is relatively cheap,
Again without providing the extra energy and multiple damping force can be produced, can preferably hold concurrently under multi-state
Turn round and look at the comfortableness and the stability of manipulation taken.In cartridge type magneto-rheological vibration damper, its inner core
Structure design often affects the using effect of whole vibroshock, in prior art, for vibration damping
The design of the inner tube structure of device cannot meet use demand toward contact.
Summary of the invention
The shortcoming that present invention aim to overcome that above-mentioned technology, it is provided that a kind of for cartridge type magnetic current
Becoming the inner tube structure of vibroshock, the simple in construction of this inner tube structure, manufacturing cost are relatively low, inner core
Intrinsic magnetic rheological liquid can produce the damping force that controllability is the strongest under the action of a magnetic field, and
This damping force is the most stepless adjustable.
Magneto-rheological vibration damper is to utilize inductive reaction, to sense from monitoring wheel and body movement
Based on the input of device signal, road conditions and driving environment are made real time reaction, this control system
Structure with economic reliability components, it is provided that quickly, smooth-going, the damping force of continuous variable, subtract
Lack the vibration of vehicle body and added the adhesive force of wheel and various road surfaces, also having buffered car simultaneously
Recoil strength suffered by wheel, thus at utmost improve the stability that vehicle runs, increase driving
Safety and the level of comfort taken.
Magneto-rheological vibration damping liquid be a kind of by high magnetic permeability, low hysteresis molecule and non-lead
The magnetic-particle mixed liquor that magnetic liquid mixes, this liquid presents under without magnetic field condition
Go out low viscous characteristic, under the effect of high-intensity magnetic field, then can present high viscosity lazy flow
Fluid characteristics, magnetic power is that the signal change size of current provided by control system determines.
The most this rheology controllability could realize the continuous variable of damping force, thus realizes vibration damping
The purpose of the active control of device.After solenoid in liquid is injected into damper piston, line
Circle magnetic field will change magneto-rheological vibration damping liquid flow behavior so that it is produce be swift in response, can
The damping force that control property is strong.
The present invention solves technical problem and be the technical scheme is that a kind of magneto-rheological vibration damper
Inner tube structure, including inner core body, the inside of described inner core body is provided with floating valve body, described
Inner core body interior is positioned at the front end of described floating valve body and is filled with gases at high pressure, described inner core body
The rear end being internally located at described floating valve body is filled with magnetic rheological liquid；The rear end of described inner core body
Being provided with the guiding oil sealing for closing magnetic rheological liquid, the middle part of described guiding oil sealing is provided with and is available for
The through hole that piston rod passes；The front end of described inner core body is provided with connecting rod, and vibroshock passes through institute
State connecting rod to be fixedly connected with the vehicle.
Further, described magnetic rheological liquid is by high magnetic permeability, low hysteresis small
Grain and the magnetic-particle mixed liquor of non-magnetic liquid mixing；Wherein said non-magnetic
Liquid is silicone oil or mineral oil.
Further, the force value of described gases at high pressure is between 1.1MPa～1.3MPa.
Further, described floating valve body is arranged with at least one valve seals, described
Valve seals be close to described inner core body inwall arrange.
Further, described inner core body is set in the rear end of described connecting rod, described connection
The rear end of bar is provided with connecting rod sealing ring, described connecting rod sealing ring be close to described connecting rod and
Inner core inner body wall is arranged.
Further, described connecting rod sealing ring is evenly coated with anaerobic adhesive.
Further, described floating valve body is apart from described in the position of described inner core body interior
Connecting rod 55～65mm.
The invention has the beneficial effects as follows: compared with prior art, magnetorheological the subtracting of present invention offer
The device inner tube structure that shakes has the advantage that
(1) simple in construction of the vibroshock inner tube structure that the present invention provides, manufacturing cost is the highest,
And without the vibratory impulse of hydraulic valve and noise, it is not necessary to complicated drive mechanism and high-octane disappear
Consumption；
(2) inner tube structure that the present invention provides sets on employing floating valve body, and floating valve body
There is valve seals, there is extraordinary sealing effectiveness；
(3) magnetic field will change the flow behavior of magneto-rheological vibration damping liquid so that it is produces reaction fast
Speed, the damping force that controllability is strong, and damping force can step-less adjustment；Under identical consumption conditions it
Yield stress be about 40 times of shear yield stress that electric current becomes, and become than electric current and subtract
The inner tube structure volume of device of shaking is much smaller, and liquid is inconspicuous to the influence degree of impurity.
Accompanying drawing explanation
Fig. 1 provides the schematic diagram of magneto-rheological vibration damper inner tube structure for the present invention.
Wherein, 1-connecting rod；2-connecting rod sealing ring；3-gases at high pressure；4-floating valve body；
5-valve seals；6-inner core body；7-magnetic rheological liquid；8-guides oil sealing；9-through hole.
Detailed description of the invention
Below in conjunction with the accompanying drawings and detailed description of the invention, it is further elucidated with the present invention, it should be understood that following
Detailed description of the invention is merely to illustrate the present invention rather than limits the scope of the present invention.Need
Bright, the word "front", "rear" of use, "left", "right", "up" and "down" in describing below
Referring to the direction in accompanying drawing, word " interior " and " outward " refer respectively to towards or away from particular portion
The direction of part geometric center.
Embodiment
As it is shown in figure 1, the inner tube structure of a kind of magneto-rheological vibration damper, including inner core body 6,
The inside of described inner core body 6 is provided with floating valve body 4, and described floating valve body 4 is at described inner core
Position within body 6 be apart from described connecting rod 1 be 60mm.Described floating valve body 4
On be arranged with at least one valve seals 5, described valve seals 5 is close to described inner core
The inwall of body 6 is arranged.Described inner core body 6 is internally located at the front end of described floating valve body 4
Being filled with gases at high pressure 3, the force value of described gases at high pressure 3 is 1.2MPa.
Described inner core body 6 is internally located at the rear end of described floating valve body 4 and is filled with magnetic rheological liquid
7；Described magnetic rheological liquid 7 is by high magnetic permeability, low hysteresis molecule and non-to lead
The magnetic-particle mixed liquor that magnetic liquid mixes；Wherein said non-magnetic liquid is silicon
Oil or mineral oil.This liquid presents low viscous characteristic under without magnetic field condition, and by force
Then can present the fluid characteristics of high viscosity lazy flow under the effect in magnetic field, magnetic power be by
The signal change size of current that control system provides determines.The most this rheology controllability ability
Realize the continuous variable of damping force, thus realize the purpose of the active control to vibroshock.When
After the solenoid that liquid is injected in damper piston, the magnetic field of coil subtracts magnetorheological for change
Shake the flow behavior of liquid so that it is produce be swift in response, damping force that controllability is strong.
The rear end of described inner core body 6 is provided with the guiding oil sealing 8 for closing magnetic rheological liquid 7,
The middle part of described guiding oil sealing 8 is provided with and is available for the through hole 9 that piston rod passes；Described inner core body
The front end of 6 is provided with connecting rod 1, and vibroshock is fixedly connected with the vehicle by described connecting rod 1.
Described inner core body 6 is set in the rear end of described connecting rod 1, described connecting rod 1
Rear end is provided with connecting rod sealing ring 2, and described connecting rod 1 is close to by described connecting rod sealing ring 2
Arrange with inner core body 6 inwall.It is evenly coated with anaerobic adhesive on described connecting rod sealing ring 2.
First floating valve body 4 is put into tube inner chamber and the distance away from the fixing end of connecting rod 1 is
About 60mm, is then enclosed within connecting rod sealing ring 2 in connecting rod 1, uniform with anaerobic adhesive
Tighten in connecting rod 1 being screwed in inner core after being applied to silking end and with the torque spanner of 30N M；
Then in inner core, inject appropriate magnetic rheological liquid 7, make piston rod (not shown) through through hole
9 be inserted into inner core after liquid side away from nose end about 50mm；Then work is penetrated guiding oil sealing 8
Flanging seal is carried out after being press fit on stopper rod in inner core；The height of 1.2MPa it is filled with again in inner core
Calm the anger body 3.Vehicle in running, the signal that the ruuning situation of wheel provides through sensor
After metering-in control system, control system signal is converted to variable magnetic field to change vibroshock fortune
Liquid viscosity during row, so that vibroshock presents different damping forces, cuts with this
Subtract the impulsive force from road surface being subject in vehicle operation, and then improve vehicle and ran
The comfortableness taken in journey and the security and stability of driving, also extend the use longevity of car load simultaneously
Life.
Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, relevant
The those of ordinary skill of technical field, without departing from the spirit and scope of the present invention,
Can also make a variety of changes and modification, the technical scheme of the most all equivalents falls within the present invention
Category, the scope of patent protection of the present invention should be defined by the claims.
Claims (7)
1. an inner tube structure for magneto-rheological vibration damper, including inner core body, it is characterised in that:
The inside of described inner core body is provided with floating valve body, and described inner core body interior is positioned at described floating
The front end of valve body is filled with gases at high pressure, after described inner core body interior is positioned at described floating valve body
End is filled with magnetic rheological liquid；The rear end of described inner core body is provided with for closing magnetic rheological liquid
Guiding oil sealing, the middle part of described guiding oil sealing is provided with and is available for the through hole that piston rod passes；In described
The front end of cylinder body is provided with connecting rod, and vibroshock is fixedly connected with the vehicle by described connecting rod.
The inner tube structure of a kind of magneto-rheological vibration damper the most according to claim 1, its feature
It is: described magnetic rheological liquid is by high magnetic permeability, low hysteresis molecule and non-to lead
The magnetic-particle mixed liquor that magnetic liquid mixes；Wherein said non-magnetic liquid is silicon
Oil or mineral oil.
The inner tube structure of a kind of magneto-rheological vibration damper the most according to claim 1, its feature
It is: the force value of described gases at high pressure is between 1.1MPa～1.3MPa.
The inner tube structure of a kind of magneto-rheological vibration damper the most according to claim 1, its feature
It is: being arranged with at least one valve seals on described floating valve body, described valve body is close
Seal is close to the inwall of described inner core body and is arranged.
The inner tube structure of a kind of magneto-rheological vibration damper the most according to claim 1, its feature
It is: described inner core body is set in the rear end of described connecting rod, the rear end of described connecting rod
Being provided with connecting rod sealing ring, described connecting rod sealing ring is close to described connecting rod and inner core body
Inwall is arranged.
The inner tube structure of a kind of magneto-rheological vibration damper the most according to claim 5, its feature
It is: on described connecting rod sealing ring, be evenly coated with anaerobic adhesive.
The inner tube structure of a kind of magneto-rheological vibration damper the most according to claim 1, its feature
It is: described floating valve body is apart from described connecting rod in the position of described inner core body interior
55～65mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510338576.3A CN106321715A (en) | 2015-06-17 | 2015-06-17 | An inner drum structure for a magneto-rheological shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510338576.3A CN106321715A (en) | 2015-06-17 | 2015-06-17 | An inner drum structure for a magneto-rheological shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106321715A true CN106321715A (en) | 2017-01-11 |
Family
ID=57732365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510338576.3A Pending CN106321715A (en) | 2015-06-17 | 2015-06-17 | An inner drum structure for a magneto-rheological shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106321715A (en) |
-
2015
- 2015-06-17 CN CN201510338576.3A patent/CN106321715A/en active Pending
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170111 |