CN106801719B - A kind of current liquescent damper - Google Patents
A kind of current liquescent damper Download PDFInfo
- Publication number
- CN106801719B CN106801719B CN201710084569.4A CN201710084569A CN106801719B CN 106801719 B CN106801719 B CN 106801719B CN 201710084569 A CN201710084569 A CN 201710084569A CN 106801719 B CN106801719 B CN 106801719B
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- China
- Prior art keywords
- piston
- screw
- cylinder body
- damper
- piston rod
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Classifications
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- 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
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
- F16F9/532—Electrorheological [ER] fluid dampers
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- 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
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The present invention relates to a kind of current liquescent dampers, by piston rod, dustproof cover, guide sleeve liner; guide sleeve, Y type oil sealing, dustproof cover casing, cylinder body; piston front cover, piston shell, insulating bushing, built-in electrode; guide ring, floating piston, O-ring seal, Y type sealing element; rear head, bearing ball, M10X1 screw, M6X7 screw; M20X2 nut, single cord, electric wire conduit are formed；Injection damper electric current becomes grease in the cylinder body, its injection flow is after stroke is completely forced into cylinder body, when floating piston is contacted with piston rod M20X2 nut simultaneously, grease just flows out the deflation threaded hole of floating piston M10X1 screw, its damper can change their damping characteristic by ER fluid under the control of electric field, be state with adjustment damping.The damper reduces body ground shock load, simplified design structure, promotes damping efficiency, improves the intelligence for applying comfort level and damping control.
Description
Technical field
The present invention relates to damper field, specifically a kind of current liquescent damper.
Background technique
Currently, most of dampers flow through throttle orifice energy consumption by oil liquid to realize damping, pass through adjustment aperture
Size and change how much oil liquid flow adjusts damped coefficient, the size for exporting damping force changes with the change of damper stroke
Become.It must be realized by increasing restriction and increasing the stroke of piston when coping with greater impact load, this will be so that undercarriage
Quality increase.The vibration control response for having the drawback that existing damper exports damping force to external applied load is passive
, this reduces the cushion performances and damping of its damping.Used damper is largely hydraulic resistance mostly at present
Buddhist nun's device, and hydraulic damping is not easy to control, and noise is larger.And electromagnetic damper as a kind of shock damper in recent years also gradually
Expand application, but existing electromagnetic shock absorber general structure is more complex, and needs to carry out active control to motor in damper,
External power supply need to be connect to motor, have higher requirement, and higher cost simultaneously for plant maintenance and application.
Summary of the invention
ER fluid is that intelligence jumpy occurs for one kind rheological behaviors such as its viscosity, plasticity under DC Electric Field
Material.Its essential characteristic is to be transformed into semisolid from the liquid of free-flowing in moment under DC Electric Field, and presentation can
The yield strength of control, and this variation is reversible.Electro-rheological fluid damper is simple as a kind of structure, low energy consumption, damping force
Adjustable, controllability is strong, fast response time and become automobile manufacture, electromechanical engineering, architectural engineering, medical instrument, civil engineering etc.
A kind of high-performance semi-automatic control device in field.The controlled parameter of electric current change damper is mainly the viscosity of fluid, with difference
Field strength can realize the viscosity numbers of consecutive variations, to obtain continuously adjustable output damping force.The electric field of variation is outer
It is powered on pole to generate, such as combines the semi- active control, it can be achieved that shock mitigation system with sensor, controller, to realize with external
The variation of vibrational excitation exports matched damping force.For low power consuming, small quality and the electric current that big damping force can be exported
The application of variable damping device is undoubtedly very promising.
In view of this, the present invention provides a kind of current liquescent damper, to solve disadvantage existing in the prior art.
The technical scheme to solve the above technical problems is that
A kind of current liquescent damper, by piston rod, dustproof cover, guide sleeve liner, guide sleeve, Y type oil sealing, dustproof cover casing,
Cylinder body, piston front cover, piston shell, insulating bushing, built-in electrode, guide ring, floating piston, O-ring seal, Y type sealing element,
Rear head, bearing ball, M10X1 screw, M6X7 screw, M20X2 nut, single cord, electric wire conduit are formed；It is described
There is electric wire conduit outside single cord, which is entered inside damper by the duct at piston rod center, and built-in
Electrode welding, the built-in electrode top are equipped with O-ring seal；The piston rod is arranged with dustproof cover, and dustproof cover passes through dust-proof
Lid casing is connected with cylinder body, has guide sleeve on the inside of dustproof cover, and guide sleeve liner and piston rod are socketed, guide sleeve liner and plunger rod contacts
Place is additionally provided with Y type oil sealing；Piston front cover is located at piston shell front end, and piston front cover rear is disposed with insulating bushing and built-in
Electrode；Piston shell and cylinder body contact position are provided with guide ring；It is provided with O-ring seal on floating piston and Y type sealing element is used
M6X7 screw is connected thereto by O-ring seal at sealing, floating piston center；Piston rod contacts one end with floating piston and sets
It is equipped with M20X2 nut, rear end of the cylinder block has rear head, and rear head center is equipped with steel ball, and steel ball is externally provided with M10X1 screw；
Injection damper electric current becomes grease in the cylinder body, injection flow be after stroke is completely forced into cylinder body, while floating piston with
When in the contact of piston rod M20X2 nut, grease just flows out the deflation threaded hole of floating piston M10X1 screw.
Further, the Y type oil sealing, silicone grease lubrication is smeared at O-ring seal.
Further, the damper the blowing pressure is 3MPa.
Further, when the damperparameters are piston speed 0.52m/s, recovery resistance is 7840N ± 1137N, pressure
Contracting resistance is 1960N ± 353N；
Further, happy safe 263 screw thread glue are smeared at the screw thread of the screw, nut.
Further, the Y type sealing element material is polyurethane.
Further, the O-ring seal, electric wire conduit and Y type oil sealing material are nitrile rubber.
Further, the insulating bushing material is polytetrafluoroethylene (PTFE).
Further, the guide ring material is polytetrafluoroethylene (PTFE)+bronze.
Further, the single cord is fire-retardant high-voltage insulating wire.
The beneficial effects of the present invention are: the invention belongs to a kind of electro-rheological fluid dampers of achievable semi- active control.More
Use damping adjustable damper more, damper can change theirs by ER fluid under the control of electric field
Damping characteristic is state with adjustment damping.The damper reduces body ground shock load, simplified design structure, promotion subtract
It shakes efficiency, improve the intelligence for applying comfort level and damping control.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
In attached drawing, parts list represented by the reference numerals are as follows:
1, piston rod, 2, dustproof cover, 3, guide sleeve liner, 4, guide sleeve, 5, Y type oil sealing, 6, dustproof cover casing, 7, cylinder body, 8,
Piston front cover, 9, piston shell, 10, insulating bushing, 11, built-in electrode, 12, guide ring, 13, floating piston, 14, O-shaped sealing
Circle, 15, Y type sealing element, 16, rear head, 17, steel ball, 18, M10X1 screw, 19, M6X7 screws, 20, O-ring seal, 21,
M20X2 nut, 22,23, O-ring seal, 24, single cord, 25, electric wire conduit.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figure 1, a kind of current liquescent damper, by piston rod, dustproof cover, guide sleeve liner, guide sleeve, Y type oil sealing,
Dustproof cover casing, cylinder body, piston front cover, piston shell, insulating bushing, built-in electrode, guide ring, floating piston, O-shaped sealing
Circle, Y type sealing element, rear head, bearing ball, M10X1 screw, M6X7 screw, M20X2 nut, single cord, wire protective
Set is formed；There is electric wire conduit outside the single cord, which enters damping by the duct at piston rod center
It inside device, is welded with built-in electrode, O-ring seal is equipped with above the built-in electrode；The piston rod is arranged with dustproof cover, prevents
Dirt lid is connected by dustproof cover casing with cylinder body, has guide sleeve on the inside of dustproof cover, and guide sleeve liner and piston rod are socketed, guide sleeve liner
With Y type oil sealing is additionally provided at plunger rod contacts；Piston front cover is located at piston shell front end, and piston front cover rear is disposed with absolutely
Edge bushing and built-in electrode；Piston shell and cylinder body contact position are provided with guide ring；Be provided on floating piston O-ring seal and
Y type sealing element is for sealing, and M6X7 screw is connected thereto by O-ring seal at floating piston center；Piston rod and work of floating
Plug contact one end is provided with M20X2 nut, and rear end of the cylinder block has rear head, and rear head center is equipped with steel ball, steel ball peripheral hardware
There is M10X1 screw；Injection damper electric current becomes grease in the cylinder body, and injection flow is after stroke is completely forced into cylinder body, together
When floating piston when being contacted with piston rod M20X2 nut, grease just flows out the deflation screw thread of floating piston M10X1 screw
Hole.
Further, the Y type oil sealing, silicone grease lubrication is smeared at O-ring seal.
Further, the damper the blowing pressure is 3MPa.
Further, when the damperparameters are piston speed 0.52m/s, recovery resistance is 7840N ± 1137N, pressure
Contracting resistance is 1960N ± 353N；
Further, happy safe 263 screw thread glue are smeared at the screw thread of the screw, nut.
Further, the Y type sealing element material is polyurethane.
Further, the O-ring seal, electric wire conduit and Y type oil sealing material are nitrile rubber.
Further, the insulating bushing material is polytetrafluoroethylene (PTFE).
Further, the guide ring material is polytetrafluoroethylene (PTFE)+bronze.
Further, the single cord is fire-retardant high-voltage insulating wire.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, all of the invention
Within spirit and principle, any modification, equivalent replacement, improvement and so on should be included in this hair
Within bright protection scope.
Claims (9)
1. a kind of current liquescent damper, it is characterised in that: by piston rod, dustproof cover, guide sleeve liner, guide sleeve, Y type oil sealing prevents
Dirt lid casing, cylinder body, piston front cover, piston shell, insulating bushing, built-in electrode, guide ring, floating piston, O-ring seal, Y
Type sealing element, rear head, bearing ball, M10X1 screw, M6X7 screw, M20X2 nut, single cord, electric wire conduit institute group
At；There is electric wire conduit outside the single cord, which is entered inside damper by the duct at piston rod center,
It is welded with built-in electrode, O-ring seal is equipped with above the built-in electrode；The piston rod is arranged with dustproof cover, and dustproof cover is logical
It crosses dustproof cover casing to be connected with cylinder body, there is guide sleeve on the inside of dustproof cover, guide sleeve liner and piston rod are socketed, guide sleeve liner and piston
Bar contact position is additionally provided with Y type oil sealing；Piston front cover is located at piston shell front end, and piston front cover rear is disposed with insulating bushing
And built-in electrode；Piston shell and cylinder body contact position are provided with guide ring；It is provided with O-ring seal on floating piston and Y type is close
Sealing is for sealing, and M6X7 screw is connected thereto by O-ring seal at floating piston center；Piston rod is contacted with floating piston
One end is provided with M20X2 nut, and rear end of the cylinder block has rear head, and rear head center is equipped with steel ball, and steel ball is externally provided with M10X1
Screw；Injection damper electric current becomes grease in the cylinder body, and injection flow is while the work of floating after stroke is completely forced into cylinder body
When plug is contacted with piston rod M20X2 nut, grease just flows out the deflation threaded hole of floating piston M10X1 screw；The resistance
When Buddhist nun's device parameter is piston speed 0.52m/s, recovery resistance is 7840N ± 1137N, and resistance to compression pression is 1960N ± 353N.
2. a kind of current liquescent damper according to claim 1, it is characterised in that: the Y type oil sealing, O-ring seal
Smear silicone grease lubrication in place.
3. a kind of current liquescent damper according to claim 1, it is characterised in that: the damper the blowing pressure is
3MPa。
4. a kind of current liquescent damper according to claim 1, it is characterised in that: the screw, nut screw thread at
Smear happy safe 263 screw thread glue.
5. a kind of current liquescent damper according to claim 1, it is characterised in that: the Y type sealing element material is poly-
Urethane.
6. a kind of current liquescent damper according to claim 1, it is characterised in that: the O-ring seal, wire protective
Set and Y type oil sealing material are nitrile rubber.
7. a kind of current liquescent damper according to claim 1, it is characterised in that: the insulating bushing material is poly- four
Vinyl fluoride.
8. a kind of current liquescent damper according to claim 1, it is characterised in that: the guide ring material is polytetrafluoro
Ethylene+bronze.
9. a kind of current liquescent damper according to claim 1, it is characterised in that: the single cord is fire-retardant high pressure
Insulated conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710084569.4A CN106801719B (en) | 2017-02-16 | 2017-02-16 | A kind of current liquescent damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710084569.4A CN106801719B (en) | 2017-02-16 | 2017-02-16 | A kind of current liquescent damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106801719A CN106801719A (en) | 2017-06-06 |
| CN106801719B true CN106801719B (en) | 2019-07-09 |
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ID=58987492
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710084569.4A Active CN106801719B (en) | 2017-02-16 | 2017-02-16 | A kind of current liquescent damper |
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| Country | Link |
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| CN (1) | CN106801719B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108119595A (en) * | 2018-02-11 | 2018-06-05 | 宁波麦维科技有限公司 | Reciprocating electro-rheological fluid damper |
| CN108443393B (en) * | 2018-05-30 | 2020-02-21 | 宁波麦维科技有限公司 | Current variable damper |
| CN112840144B (en) * | 2018-09-25 | 2023-01-13 | 日立安斯泰莫株式会社 | Suspension control device and electrorheological damper |
| CN108986499B (en) * | 2018-10-19 | 2022-07-29 | 广东华络电子科技有限公司 | Traffic signal lamp capable of preventing internal circuit from being broken and broken |
| CN112610642A (en) * | 2020-12-28 | 2021-04-06 | 中国北方车辆研究所 | Electric current variable shock absorber for off-road vehicle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5018606A (en) * | 1990-01-10 | 1991-05-28 | Lord Corporation | Electrophoretic fluid damper |
| CN2596101Y (en) * | 2002-12-27 | 2003-12-31 | 上海汇众汽车制造有限公司 | Electrorheologic liquid adjustable shock adsorber |
| JP2004316797A (en) * | 2003-04-17 | 2004-11-11 | Bando Chem Ind Ltd | Magnetic viscous fluid damper |
| US20070193839A1 (en) * | 2006-02-23 | 2007-08-23 | Honda Motor Co., Ltd. | Variable attenuation power damper |
| JP2008224001A (en) * | 2007-03-15 | 2008-09-25 | Honda Motor Co Ltd | Variable damping force damper |
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2017
- 2017-02-16 CN CN201710084569.4A patent/CN106801719B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106801719A (en) | 2017-06-06 |
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