CN205663810U - Singly go out pole binocular twin coil magnetorheological damper - Google Patents
Singly go out pole binocular twin coil magnetorheological damper Download PDFInfo
- Publication number
- CN205663810U CN205663810U CN201620524009.7U CN201620524009U CN205663810U CN 205663810 U CN205663810 U CN 205663810U CN 201620524009 U CN201620524009 U CN 201620524009U CN 205663810 U CN205663810 U CN 205663810U
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- urceolus
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- block
- inner core
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Abstract
The utility model belongs to a singly go out pole binocular twin coil magnetorheological damper, including the last rings of taking rings liner assembly, go up rings and pass through the piston rod and link to each other with the piston, the urceolus is equipped with to outside the overlapping of inner tube, the upper end cover is equipped with on urceolus upper portion, the bottom end cover is equipped with to the urceolus lower part, be equipped with magnet vane between inner tube and urceolus top and the upper end cover, the dog linked to each other on a positioning bolt passed magnet vane and piston, offer the boss that clamps the coil dog on urceolus upper portion and the lower part lateral wall respectively, be equipped with on the coil dog at a distance from the magnetic ring, separate the magnetic ring outside and be equipped with the coil, be equipped with down magnet vane between inner tube and urceolus bottom and the bottom end cover, the dog linked to each other under the 2nd positioning bolt passed bottom end cover and magnet vane down and piston, was equipped with the pipe on the urceolus section of thick bamboo wall, and the pipe is continuous with the cylinder block bottom, is equipped with cylinderpiston in the cylinder block, inner tube upper portion is linked together with urceolus upper portion, and the inner tube lower part is linked together with the urceolus lower part, has the advantage that abundant consideration car ride comfort and operation stability need to the shock absorber damping force.
Description
Technical field
This utility model belongs to absorber technical field, is specifically related to a kind of single rod bitubular twin coil magneto-rheological vibration damping
Device.
Background technology
Along with gradually stepping up of living standards of the people, people propose higher wanting to comfortableness and the handling stability of vehicle
Asking, the best automobile ride and remarkable handling stability have become as the importance that must take in current Automobile Design
Energy.
The major function of automobile suspension system is to weaken the vibration from different road surfaces, improves the riding comfort of vehicle,
And improve the handling stability of automobile.The traditional rigidity of passive suspension, damped coefficient will not be along with the changes on running car road surface
And actively regulate, it is impossible to fully meeting automobile damping requirements under various driving cycles, full active suspension system can basis
The rigidity changing suspension that the driving cycle of automobile is real-time and damping, can meet the damping requirements under difference driving cycle, but
Need external energy supply and complicated control strategy, expensive；The feature of semi-active suspension is not change suspension
Rigidity, only changes the damping of vibroshock, consumes vehicle power hardly, be mainly reflected in the Based Intelligent Control of vibroshock during work
On, its damping property, between passive suspension and full Active suspension, have found balance between performance and cost, and half is the most outstanding
Frame system has become as the Main Trends of The Development of suspension system.
Magneto-rheological vibration damper utilizes magnetic flow liquid viscosity controllable characteristics, it is achieved that continuously may be used of magneto-rheological vibration damper damping
Adjusting, after magnetic flow liquid is applied electric current (general maximum reaches 2.5～3A), the damping force of MR fluid shock absorber can significantly carry
Height, is possible not only to fully improve automobile ride, and can also be greatly enhanced the control to automobile handling stability, reduces automobile and turns
To time angle of heel and braking time the angle of pitch, control body of a motor car attitude.Therefore MR fluid shock absorber is as half actively
The main element of suspension, it is designed and developed has good market prospect, the most domestic also in the research and development of products stage.
Magnetic flow liquid is when not applying during magnetic field, and magnetic-particle is random distribution in base fluid, and flow resistance is little；Applying
Behind magnetic field, the magnetic-particle of suspension attracts each other under the influence of a magnetic field and is arranged in the chain knot parallel with magnetic direction
Structure, flow resistance is big.Magnetic flow liquid is become class solid-state by liquid after applying magnetic field, and this change procedure is that moment (ms level) is complete
Becoming, its viscosity increases several orders of magnitude and loses flowability, and after removing magnetic field, magnetic flow liquid quickly becomes again free-flowing
Liquid, this change of magnetic flow liquid is continuous print, reversible.
Utility model content
The purpose of this utility model is to overcome defect of the prior art to provide a kind of in preferable road conditions, applies
Less electric current, it is thus achieved that good automobile ride, increases electric current in poor road conditions, reaches preferable damping property,
When motor turning or braking, increase electric current, reduce automobile side inclination angle and the angle of pitch respectively, it is achieved that to automobile gesture stability；
Have and take into full account that a kind of single rod bitubular twin coil that absorber damping force is needed by automobile ride and handling stability is magnetorheological
Vibroshock.
The purpose of this utility model is achieved in that and includes that the upper lift ring of band flying-ring bush component, upper lift ring are by living
Stopper rod is connected with the piston being arranged within inner core, and the outer cover of inner core is equipped with the urceolus being connected with inner core, the top of urceolus
Being set with upper end cover, the bottom of urceolus is set with bottom end cover；It is provided with magnetic isolation plate between inner core and the top of urceolus and upper end cover,
First bolt is connected through upper magnetic isolation plate with being arranged on block on the piston on inner core；On the sidewall of urceolus upper and lower
Offering card respectively to install coil the boss of block, coil block is provided with magnetism-isolating loop, the outside of described magnetism-isolating loop is provided with
Coil；Be provided with lower magnetic isolation plate between inner core and the bottom of urceolus and bottom end cover, the second bolt through bottom end cover and under every magnetic
Plate is connected with being arranged in inner core block under the piston of bottom, and the barrel of described urceolus middle and lower part is provided with conduit, conduit and gas
The bottom of cylinder body is connected, and the inside of described cylinder block is provided with cylinder piston；Described inner core top is connected with the top of urceolus,
Inner core bottom is connected with urceolus bottom.
Preferably, the position that described urceolus is corresponding with coil block is provided with holding screw.
Preferably, the bottom of described bottom end cover is set with bolted cover, and the bottom of bolted cover is provided with lower lift ring.
Preferably, between described coil block and magnetism-isolating loop, O RunddichtringO is installed.
Preferably, described piston rod and piston are provided with piston rod packing circle between block.
Preferably, between described piston and inner core, piston packing is installed.
Preferably, the top of described cylinder block is provided with the cylinder end piece of valve cock, between cylinder block and cylinder piston
Cylinder piston sealing ring is installed.
Preferably, the top of described inner core, upper magnetic isolation plate, coil block and piston constitute upper annular damper between block
Passage；Lower annular damper passage is constituted between block and coil block under the bottom of inner core, lower magnetic isolation plate, piston；Upper annular resistance
The width of Buddhist nun's passage and lower annular damper passage is respectively 1～2mm.
Preferably, described first bolt at least two.
This utility model, in preferable road conditions, applies less electric current, it is thus achieved that good automobile ride, poor
Increase electric current in road conditions, reach preferable damping property, when motor turning or braking, increase electric current, reduce automobile respectively
Angle of heel and the angle of pitch, it is achieved that to automobile gesture stability；Have and take into full account that vibroshock is hindered by automobile ride and handling stability
The advantage that Buddhist nun's power needs.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the partial enlarged drawing of part A in Fig. 1；
Fig. 3 is the partial enlarged drawing of part B in Fig. 1；
Fig. 4 is the partial enlarged drawing of C portion in Fig. 1.
Detailed description of the invention
In order to be more clearly understood from the technical characteristic of utility model, purpose and effect, now comparison accompanying drawing explanation is originally
The detailed description of the invention of utility model, the most identical label represents identical parts.For making simplified form, each figure only shows
Indicating the part relevant to this utility model to meaning property, they do not represent its practical structures as product.
As shown in Figure 1,2,3, 4, this utility model is a kind of single rod bitubular magneto-rheological damper with double-coil, hangs including band
The upper lift ring 2 of lining papers grip assembly 1, upper lift ring 2 are connected with the piston 22 being arranged within inner core 9 by piston rod 26, inner core 9
Outer cover is equipped with the urceolus 6 being connected with inner core 9, and the top of urceolus 6 is set with upper end cover 4, and the bottom of urceolus 6 is set with lower end
Lid 15；Being provided with magnetic isolation plate 3 between inner core 9 and the top of urceolus 6 and upper end cover 4, the first bolt 25 is through upper magnetic isolation plate 3
It is connected with block 8 on the piston being arranged on inner core 9；Offer card on the sidewall of urceolus 6 upper and lower respectively to install coil gear
The boss of block 7, coil block 7 is provided with magnetism-isolating loop 5, and the outside of described magnetism-isolating loop 5 is provided with coil 24；Inner core 9 is with outer
Being provided with lower magnetic isolation plate 18 between bottom and the bottom end cover 15 of cylinder 6, the second bolt 17 is through bottom end cover 15 and lower magnetic isolation plate 18
Being connected with being arranged in inner core 9 block 19 under the piston of bottom, the barrel of described urceolus 6 middle and lower part is provided with conduit 13, conduit
13 are connected with the bottom of cylinder block 11, and the inside of described cylinder block 11 is provided with cylinder piston 12；Described inner core 9 top and urceolus
The top of 6 is connected, and inner core 9 bottom is connected with urceolus 6 bottom.On the position that described urceolus 6 is corresponding with coil block 7
Holding screw 14 is installed.The bottom of described bottom end cover 15 is set with bolted cover 16, and the bottom of bolted cover 16 is provided with lower lift ring
27.Between described coil block 7 and magnetism-isolating loop 5, O RunddichtringO 20 is installed.On described piston rod 26 and piston between block 8
Piston rod packing circle 23 is installed.Between described piston 22 and inner core 9, piston packing 21 is installed.The top of described cylinder block 11
Portion is provided with the cylinder end piece 10 of valve cock 29, is provided with cylinder piston sealing ring between cylinder block 11 and cylinder piston 12
28.Upper annular damper passage is constituted between block 8 on the top of described inner core 9, upper magnetic isolation plate 3, coil block 7 and piston；In
Lower annular damper passage is constituted between block 19 and coil block 7 under the bottom of cylinder 9, lower magnetic isolation plate 18, piston；Upper annular damper
The width of passage and lower annular damper passage is respectively 1～2mm.Described first bolt 25 at least two.
As shown in Figure 1, 2, 3, this utility model, according to this absorber damping force formula pushed over, is applying 2.5A electric current,
Upper damp channel and lower damp channel are respectively annular and time width is respectively 1mm, and damping force output improves about 10 times, permissible
Fully meet the damping force needs that ride comfort and handling stability are promoted by automobile.
This utility model includes inner core 9 and urceolus 6, and it passes through the first bolt 25 by upper magnetic isolation plate 3 and piston
Block 8 is fixed together, and is placed on by coil block 7 inside urceolus 6 upper end, is positioned by the boss within urceolus 6, at coil
Being provided with magnetism-isolating loop 5 on block 7, the outside of described magnetism-isolating loop 5 is provided with coil 24；Upper end cover 4 is by screw thread and urceolus 6
End links together, and block 8, coil 24, coil block 7, magnetism-isolating loop 5 on upper magnetic isolation plate 3, piston is positioned at inner core 9 simultaneously
With the upper end of urceolus 6, inner core 9 upper end is positioned in the cannelure of magnetic isolation plate 3 lower surface.Under being incited somebody to action by the second bolt 17
Under end cap 15, lower magnetic isolation plate 18, piston, block 19 is fixed together, and coil block 7 is placed on urceolus 6 lower end inside, passes through
In urceolus 6, the boss location of bottom, is provided with magnetism-isolating loop 5 on coil block 7, and the outside installation of described magnetism-isolating loop 5 is wired
Circle 24；Bottom end cover 15 is linked together by screw thread and urceolus 6 lower end, simultaneously by block 19, coil under lower magnetic isolation plate 18, piston
24, coil block 7, magnetism-isolating loop 5 are positioned at inner core 9 and the bottom of urceolus 6.Inner core 9 lower end is positioned at lower magnetic isolation plate 18 simultaneously
In the cannelure of upper surface.Bolted cover 16 is linked together by screw thread and bottom end cover 15.In order to prevent coil block 7 from misplacing, subtract
The shake top and bottom of device urceolus 6 are separately installed with the location screw 14 being connected with coil block 7.
Owing to magnetic flow liquid has the strongest permeability, piston is provided with inside block 8 piston rod packing circle 23, with
Sample is provided with piston packing 21 on piston 22 position；Piston 22 is during moving up and down, and piston rod 26 can account for inner core 9
Volume, for this cylinder block 11 is installed outside urceolus 6, in the middle of cylinder block 11, is provided with cylinder piston 12, cylinder piston 12
Upside is nitrogen, and the downside of cylinder piston 12 is magnetic flow liquid, in order to ensure the sealing of cylinder piston 12, at cylinder piston 12
On cylinder piston sealing ring 28 is installed, cylinder end piece 10 is connected by screw thread and cylinder block 11, and spiral shell is passed through in cylinder block 11 lower end
Stricture of vagina is connected with cylinder bottom end cover, and cylinder bottom end cover is connected with conduit 13 by screw thread, and conduit 13 and outer barrel of absorber 6 pass through screw thread
Link together.
This utility model can improve the ride comfort of automobile and handling stability and the needs to damping force, on good road surface
On, apply less electric current, it is thus achieved that good automobile ride, poor road surface increases electric current, reaches preferable vibration damping
Performance, when motor turning or braking, increases electric current, reduces automobile side inclination angle and the angle of pitch respectively, it is achieved that to automobile appearance
State controls.In order to reach to control automobile ride control and handling stability, magneto-rheological vibration damper must export enough damping forces,
In order to export bigger absorber damping force, except physical dimension, magnetic rheological liquid model select and annular damper interchannel
Outside gap, it is necessary for increasing the number of turns of coil arrangement, increasing the damp channel length that magnetic flow liquid is controlled.This utility model has as follows
Be mainly characterized by: (1) this utility model include annular damper passage and lower annular damper passage all can by magnetic field control,
The length making controllable ring-shaped damp channel increases one times, it is possible to significantly promote damping force of the present utility model；(2) coil
Easily arranging, the vibroshock of same size, this utility model can increase the number of turns that coil is wound around, thus enhances annular damper
The magnetic field of passage, reaches to increase the purpose of damping force.It also avoid monotubular unicoil damper piston head axial dimension simultaneously
Long problem, has fully ensured that the free travel of vibroshock, it is ensured that the convenience installed on car load.(3) owing to increasing
Coil turn, while fully ensuring that damping force output, can prevent magnetic flow liquid suitably by the increase of damp channel gap
Block in annular damper passage, it also avoid vibroshock inner magnet rheology hydraulic coupling and the situation of sudden change occurs, it is to avoid damping
There is the phenomenon of deformity in force curve, it is ensured that reasonably vibroshock external characteristics.
As shown in Figure 1, 2, 3, when this utility model is in stretching travel, piston 22 and piston rod 26 drive upper piston area
Magnetic flow liquid flow up, magnetic flow liquid is clamp-oned in the upper annular damper passage of upper end under the effect of the pressure, in upper annular
Damp channel position is acted on by coil magnetic field, and viscosity increases, and flow resistance increases, and magnetic flow liquid flows through annular damper and leads to
Behind road, enter in the cavity between inner core 9 and urceolus 6, then flowed into the cavity of resorption of piston 22 by lower annular damper passage, equally
Also can be by the action of a magnetic field of coil in the lower annular damper passage of lower end, magnetic flow liquid viscosity increases, and flow resistance increases,
Added by coil, electric current is the biggest, and magnetic flow liquid is the biggest at resistance suffered by upper annular damper passage and lower annular damper passage, magnetorheological
Fluid shock absorber damping force is the biggest.When magneto-rheological vibration damper is in compression travel, magnetic flow liquid flowing is in opposite direction.
Such as Fig. 1, shown in 4, in stretching travel, the pull-out of piston rod 26 makes to vacate a part of volume inside vibroshock, this
Partial volume is promoted cylinder piston 12 by the high pressure nitrogen in cylinder block 11 so that nitrogen cylinder piston 12 lower end magnetic rheological liquid
The lower cavity of piston 22 is entered by annular damper passage under vibroshock.In same compression travel, the magnetic current that piston rod accounts for
Become liquid and enter nitrogen cylinder body piston by lower end annular damper passage.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " sets
Put ", " installation " etc. should be interpreted broadly, connect for example, it may be fixing, be integrally connected, it is also possible to be to removably connect；
It can also be the connection of two element internals；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, for ability
For the those of ordinary skill in territory, above-mentioned term concrete meaning in this utility model can be understood as the case may be.Need
It is to be noted in this article, " first ", " second " etc. are only used for differentiation each other, rather than represent their significance level and suitable
Sequence etc..Foregoing detailed description is only for illustrating of feasibility embodiment of the present utility model, and they are not used
To limit protection domain of the present utility model, all without departing from this utility model skill spirit made equivalent implementations, change
Within should be included in protection domain of the present utility model with transformation.
Claims (9)
1. a single rod bitubular magneto-rheological damper with double-coil, including band flying-ring bush component (1) upper lift ring (2), hang oneself
Ring (2) is connected by the piston (22) that piston rod (26) is internal with being arranged on inner core (9), it is characterised in that: the outside of inner core (9)
Being set with the urceolus (6) being connected with inner core (9), the top of urceolus (6) is set with upper end cover (4), the bottom suit of urceolus (6)
There is bottom end cover (15)；Magnetic isolation plate (3), the first location spiral shell it is provided with between inner core (9) and the top of urceolus (6) and upper end cover (4)
Bolt (25) is connected through upper magnetic isolation plate (3) with block (8) on the piston being arranged on inner core (9)；Urceolus (6) upper and lower
Offer card on sidewall respectively to install coil the boss of block (7), coil block (7) is provided with magnetism-isolating loop (5), described every magnetic
The outside of ring (5) is provided with coil (24)；It is provided with lower magnetic isolation plate between inner core (9) and the bottom of urceolus (6) and bottom end cover (15)
(18), the second bolt (17) passes bottom end cover (15) and lower magnetic isolation plate (18) and the piston being arranged on inner core (9) interior bottom
Lower block (19) is connected, and the barrel of described urceolus (6) middle and lower part is provided with the end of conduit (13), conduit (13) and cylinder block (11)
Portion is connected, and the inside of described cylinder block (11) is provided with cylinder piston (12)；Described inner core (9) top and the top of urceolus (6)
Being connected, inner core (9) bottom is connected with urceolus (6) bottom.
A kind of single rod bitubular magneto-rheological damper with double-coil the most according to claim 1, it is characterised in that: outside described
On the position that cylinder (6) is corresponding with coil block (7), holding screw (14) is installed.
A kind of single rod bitubular magneto-rheological damper with double-coil the most according to claim 1, it is characterised in that: described lower end
The bottom of lid (15) is set with bolted cover (16), and the bottom of bolted cover (16) is provided with lower lift ring (27).
A kind of single rod bitubular magneto-rheological damper with double-coil the most according to claim 1, it is characterised in that: described coil
O RunddichtringO (20) is installed between block (7) and magnetism-isolating loop (5).
A kind of single rod bitubular magneto-rheological damper with double-coil the most according to claim 1, it is characterised in that: described piston
Piston rod packing circle (23) is installed between block (8) on bar (26) and piston.
A kind of single rod bitubular magneto-rheological damper with double-coil the most according to claim 1, it is characterised in that: described piston
And piston packing (21) is installed between inner core (9) (22).
A kind of single rod bitubular magneto-rheological damper with double-coil the most according to claim 1, it is characterised in that: described cylinder
The top of body (11) is provided with the cylinder end piece (10) of valve cock (29), installs between cylinder block (11) and cylinder piston (12)
There is cylinder piston sealing ring (28).
A kind of single rod bitubular magneto-rheological damper with double-coil the most according to claim 1, it is characterised in that: described inner core
(9) upper annular damper passage is constituted on top, upper magnetic isolation plate (3), coil block (7) and piston between block (8)；Inner core
(9) lower annular damper passage is constituted under bottom, lower magnetic isolation plate (18), piston between block (19) and coil block (7)；Upper ring
The width of shape damp channel and lower annular damper passage is respectively 1～2mm.
A kind of single rod bitubular magneto-rheological damper with double-coil the most according to claim 1, it is characterised in that: described first
Bolt (25) at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620524009.7U CN205663810U (en) | 2016-05-26 | 2016-05-26 | Singly go out pole binocular twin coil magnetorheological damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620524009.7U CN205663810U (en) | 2016-05-26 | 2016-05-26 | Singly go out pole binocular twin coil magnetorheological damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205663810U true CN205663810U (en) | 2016-10-26 |
Family
ID=57158326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620524009.7U Withdrawn - After Issue CN205663810U (en) | 2016-05-26 | 2016-05-26 | Singly go out pole binocular twin coil magnetorheological damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205663810U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889397A (en) * | 2016-05-26 | 2016-08-24 | 河南机电高等专科学校 | Single-piston-rod, double-cylinder and double-coil magneto-rheological absorber |
| CN108716520A (en) * | 2018-06-22 | 2018-10-30 | 盐城工学院 | A kind of auto magnetorheological damper |
| CN109307035A (en) * | 2017-07-27 | 2019-02-05 | 日立汽车系统株式会社 | Buffer and cover member |
| CN110822009A (en) * | 2019-11-26 | 2020-02-21 | 重庆大学 | Separated double-cylinder magnetorheological damper |
| CN110925349A (en) * | 2019-11-26 | 2020-03-27 | 重庆大学 | Self-sensing separating type double-cylinder magnetorheological damper |
-
2016
- 2016-05-26 CN CN201620524009.7U patent/CN205663810U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889397A (en) * | 2016-05-26 | 2016-08-24 | 河南机电高等专科学校 | Single-piston-rod, double-cylinder and double-coil magneto-rheological absorber |
| CN105889397B (en) * | 2016-05-26 | 2018-01-02 | 河南机电高等专科学校 | A kind of single rod bitubular magneto-rheological damper with double-coil |
| CN109307035A (en) * | 2017-07-27 | 2019-02-05 | 日立汽车系统株式会社 | Buffer and cover member |
| CN109307035B (en) * | 2017-07-27 | 2021-11-26 | 日立安斯泰莫株式会社 | Shock absorber and cover member |
| CN108716520A (en) * | 2018-06-22 | 2018-10-30 | 盐城工学院 | A kind of auto magnetorheological damper |
| CN108716520B (en) * | 2018-06-22 | 2024-04-26 | 盐城工学院 | Magnetorheological damper for automobile |
| CN110822009A (en) * | 2019-11-26 | 2020-02-21 | 重庆大学 | Separated double-cylinder magnetorheological damper |
| CN110925349A (en) * | 2019-11-26 | 2020-03-27 | 重庆大学 | Self-sensing separating type double-cylinder magnetorheological damper |
| WO2021104185A1 (en) * | 2019-11-26 | 2021-06-03 | 重庆大学 | Self-sensing separated dual-cylinder magnetorheological damper |
| CN110925349B (en) * | 2019-11-26 | 2021-07-20 | 重庆大学 | Self-sensing separating type double-cylinder magnetorheological damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161026 Effective date of abandoning: 20180102 |