CN209146206U - A kind of MR damper being sealed using elastic metallic bellows - Google Patents
A kind of MR damper being sealed using elastic metallic bellows Download PDFInfo
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- CN209146206U CN209146206U CN201821848115.6U CN201821848115U CN209146206U CN 209146206 U CN209146206 U CN 209146206U CN 201821848115 U CN201821848115 U CN 201821848115U CN 209146206 U CN209146206 U CN 209146206U
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- end cap
- bellows
- bobbin winder
- winder bracket
- valve pocket
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Abstract
The utility model discloses a kind of MR dampers being sealed using elastic metallic bellows, are mainly made of end cap, bellows, valve pocket, bobbin winder bracket, magnet exciting coil, dampened disk, braking roll and guiding axis etc..Valve pocket, bobbin winder bracket, magnet exciting coil and dampened disk constitute the magnetorheological valve type structure with mixed flow dynamic formula fluid course, form 4 sections of concatenated effective damping gaps under the function of current, increase effectively liquid stream relaxation length, improve the utilization rate of the magnetic line of force.Left and right end cap is fixedly connected by 4 guiding axis, and is driven by guiding axis along the pilot hole side-to-side movement on valve pocket.Static seal is carried out using elastic metallic bellows between end cap, the dynamic sealing friction of damper is eliminated, effectively increases damping force adjustable extent.The MR damper damping force adjustable extent is wide, and high-frequency vibration can be effectively isolated by carrying out elastic connection using bellows, the vibration insulating system especially suitable for transportation industry.
Description
Technical field
The utility model relates to a kind of MR dampers more particularly to a kind of use elastic metallic bellows to be sealed
MR damper.
Background technique
MR damper is a kind of Novel intelligent damper part being widely used in semi-active control aystem.It is main
By applying a certain size electric current to the magnet exciting coil on bobbin winder bracket in damper, generates magnetic field and pass through in fluid course
The yield strength of magnetorheological fluid change, so that dynamic changes output damping force.Millisecond possessed by MR damper
The characteristics of grade response speed, big control range and big damping force export, so that it becomes half outstanding active of industrial application
Performer.Currently, MR damper has been widely used in building and the vibration damping vibration prevention system of bridge, rail vehicles
And vibration damping of automobile suspension system etc..
Designed at present its liquid stream damp channel of MR damper is single annulus stream or radial flow arrangement mostly, and
It is all made of the moving sealed structure being made of piston and cylinder body.When work, change loading current size, is adjusted in damping clearance
Magnetic induction intensity, to realize the adjusting of MR damper damping force.When the magnetic induction intensity in damping clearance reaches full
And when, damper output damping force also reaches maximum.To improve damper maximum damping force and damping force adjustable extent, one
As realized by reducing damping clearance thickness or increasing effective damping gap length.Reduce damping clearance thickness be easy to appear because
The sedimentation phenomenon of magnetorheological fluid and block fluid course, failure when MR damper being caused to work；Increase effective damping gap
Length then will increase the overall volume and size of MR damper, occupy more installation spaces and use space, manufacture at
This also increase accordingly.In addition, the adjustable extent of damping force is limited using the moving sealed structure being made of piston and cylinder body, because
Dynamic sealing, generation when damper being caused to work are carried out using sealing ring between piston head and cylinder body and between piston rod and end cap
Very big seal friction, this frictional force are a part of uncontrollable damping force.
Summary of the invention
In order to solve the problems, such as background technique and meet requirement of the MR damper in engineer application, this reality
A kind of MR damper being sealed using elastic metallic bellows is proposed with novel.The bobbin winder bracket of the MR damper
Gap between dampened disk constitutes the liquid stream damp channel that existing annulus stream has radial flow again, can form two sections of ring axials
Effective damping gap and two sections of disc radial direction effective damping gaps.Under the premise of not increasing outer dimension, the valve of damper
Set, bobbin winder bracket, magnet exciting coil and dampened disk constitute the magnetorheological valve type structure with mixed flow dynamic formula fluid course.It is encouraging
4 sections of concatenated effective damping gaps are formed in magnetic coil under the function of current, liquid stream relaxation length is increased effectively, improves magnetic force
The utilization rate of line.It is different from traditional MR damper being made of dynamic sealing between piston and cylinder body, the utility model resistance
The left and right end cap of Buddhist nun's device is fixedly connected by 4 guiding axis, and is driven by guiding axis along the pilot hole side-to-side movement on valve pocket.
Static seal is carried out using elastic metallic bellows between end cap, the dynamic sealing friction of damper is eliminated, effectively increases damping
Power adjustable extent.The MR damper damping force adjustable extent is wide, and height can be effectively isolated by carrying out elastic connection using bellows
Frequency vibration, the vibration insulating system especially suitable for transportation industry.
It includes: left lifting lug (1), ring flange I (2), a left side that the utility model, which solves technical solution used by its technical problem,
Bellows (3), ring flange II (4), bobbin winder bracket (5), magnet exciting coil (6), ring flange III (7), right bellows (8), ring flange IV
(9), right lifting lug (10), right end cap (11), guiding axis (12), right braking roll (13), right connection end cap (14), right dampened disk
(15), valve pocket (16), left dampened disk (17), left connection end cap (18), left braking roll (19) and left end cap (20)；Left lifting lug (1)
Right end is externally threaded, and internal thread through hole is machined among left end cap (20), and the two is connected by screw threads for fastening；Left end cap (20)
It is fixedly connected with guiding axis (12) left side by screw；Ring flange I (2) is fixedly connected with left end cap (20) by screw；It is left
Left end cap (20) right side is close in bellows (3) left side, and is compressed by ring flange I (2)；Left bellows (3) and left end cap
(20) it is sealed by a seal ring between；Left connection end cap (18) and valve pocket (16) inner surface transition fit, and pass through sealing
Circle is sealed；Left connection end cap (18), ring flange II (4) and valve pocket (16) are fixedly connected by screw；Left bellows (3) is right
Left connection end cap (18) left side is close in end face, and is compressed by ring flange II (4)；Left bellows (3) and left connection end cap
(18) it is sealed by a seal ring between；Left braking roll (19) right end is externally threaded, processing among left connection end cap (18)
There is internal thread through hole, the two is connected by screw threads for fastening；It is close to left dampened disk (17) and coiling in left connection end cap (18) right side
Axially position is played to left dampened disk (17) and bobbin winder bracket (5) left side in frame (5) left side；Left dampened disk (17) radial circumference
Surface is machined with 4 circular protrusions being arranged circumferentially, and 4 circular protrusions and the circumferential inner surface transition of bobbin winder bracket (5) are matched
It closes；Bobbin winder bracket (5) and valve pocket (16) internal surface gaps cooperate, and are sealed by a seal ring；It is processed into the middle part of bobbin winder bracket (5)
Stepped hole, stepped hole inside forming face (501), face (502) and deflector hole (503)；The face (501) of bobbin winder bracket (5) and left damping
The cylinder small boss fitting that 4 of disk (17) right side processing are arranged circumferentially, bobbin winder bracket (5) is by face (501) to left resistance
Axially position is carried out on the right side of Buddhist nun's disk (17)；4 circumferential directions in the face (502) of bobbin winder bracket (5) and the processing of right dampened disk (15) left side
The cylinder small boss fitting being evenly arranged, bobbin winder bracket (5) is by face (502) to progress axially position on the left of right dampened disk (15)；
Magnet exciting coil (6) is wound in the winding slot (504) of bobbin winder bracket (5), and lead draws from the fairlead (1601) of valve pocket (16)
Out；Right dampened disk (15) radial peripheral surface is machined with 4 circular protrusions being arranged circumferentially, 4 circular protrusions and coiling
The circumferential inner surface transition fit of frame (5)；It is close to right dampened disk (15) and bobbin winder bracket (5) right end in right connection end cap (14) left side
Axially position is played to right dampened disk (15) and bobbin winder bracket (5) right side in face；Right braking roll (13) left end is externally threaded, right
It is machined with internal thread through hole among connection end cap (14), the two is threadably secured connection；Right connection end cap (14) and valve pocket
(16) inner surface transition fit, and be sealed by a seal ring；Right connection end cap (14), ring flange III (7) and valve pocket (16)
It is fixedly connected by screw；Right connection end cap (14) right side is close in right bellows (8) left side, and passes through ring flange III (7)
It compresses；It is sealed by a seal ring between right bellows (8) and right connection end cap (14)；Ring flange IV (9) and right end cap
(11) it is fastenedly connected by screw；Right end cap (11) left side is close in right bellows (8) right side, and passes through ring flange IV (9)
It compresses；It is sealed by a seal ring between right bellows (8) and right end cap (11)；Right lifting lug (10) left end is externally threaded,
Internal thread through hole is machined among right end cap (11), the two is connected by screw threads for fastening；Right end cap (11) and guiding axis (12) are logical
Screw is crossed to be fixedly connected；The pilot hole clearance fit opened on guiding axis (12) and valve pocket (16)；Guiding axis (12) left side and the right side
End face is machined with internal thread hole；Left end cap (20) is machined with 4 circular through holes being arranged circumferentially, and respectively corresponds 4 and leads
To the internal thread hole of axis (12) left side；Right end cap (11) is machined with 4 circular through holes being arranged circumferentially, and respectively corresponds 4
The internal thread hole of root guiding axis (12) right side；The guiding axis (12) that left end cap (20) is uniformly placed by screw and 4 circumferential directions
Left side is fixedly connected；Right end cap (11) is fixedly connected by guiding axis (12) right side that screw is uniformly placed with 4 circumferential directions；
4 guiding axis (12) respectively with 4 pilot hole clearance fits being arranged circumferentially on valve pocket (16)；4 guiding axis (12) can
Pilot hole direction side-to-side movement on valve pocket (16) drives left end cap (20) and right end cap (11) axial direction side-to-side movement；
Ring axial gap between left dampened disk (17) and bobbin winder bracket (5) forms the Ith section of effective damping gap；Left dampened disk (17)
Disc radial clearance between bobbin winder bracket (5) forms the IIth section of effective damping gap；Right dampened disk (15) and bobbin winder bracket (5)
Between disc radial clearance form the IIIth section of effective damping gap；Annulus between right dampened disk (15) and bobbin winder bracket (5)
Shape axial gap forms the IVth section of effective damping gap；I section, the IIth section, the IIIth section and the IVth section of effective damping gap are successively
It is connected, constitutes mixed flow dynamic formula liquid flowing channel structure；Left end cap (20), left bellows (3), left braking roll (19) and left connecting pin
Closed containing cavity A is surrounded between lid (18)；Right connection end cap (14), right braking roll (13), right bellows (8) and right end cap (11) it
Between surround closed containing cavity B；Magnetorheological fluid is filled respectively in closed containing cavity A and closed containing cavity B；Left bellows (3) and right bellows
(8) it is made of the identical elastic metallic bellows of specifications parameter；When damper stretches or compresses, left bellows (3) and right wave
Line pipe (8) volume changes, and closed containing cavity A and the volume of closed containing cavity B is caused to change therewith；Left braking roll (19) with
Right braking roll (13) equal length and be less than left bellows (3) and right bellows (8) length, can limit left bellows (3) and
Right bellows (8) excessive tensile or compression；Bobbin winder bracket (5), right dampened disk (15), valve pocket (16) and left dampened disk (17) respectively by
Mild steel permeability magnetic material is made；Remaining parts are made of un-conducted magnetic material.
The utility model compared with the background art, has the beneficial effect that
(1) the utility model uses elastic metallic bellow-type structure, and the volume of elastic metallic bellows can be with inside it
Flow stream pressure variation and change, the rigid connection of damper is become elastic connection by this structure so that damper at a high speed
There is good isolation property in the case of small stroke motion, greatly reduce the transmitting of high-frequency vibration, improve usage comfort,
Particularly suitable for the industries vibration insulating system such as railway, traffic.
(2) compared with traditional MR damper being made of dynamic sealing between piston and cylinder body, the utility model is adopted
No friction element is made by metal bellows with one kind, and is sealed by static sealing, piston-rodless and end cap and piston head
The high friction generated between cylinder body by dynamic sealing, so that the ratio of damping force Zhan related with magnetic field total output damping force
It is bigger, so that MR damper has broader damping force adjustable extent.
(3) the utility model MR damper damping clearance is designed to the mixed flow simultaneously with annulus stream and radial flow
4 sections of effective damping gaps are uniformly distributed in magnet exciting coil middle position, magnetic current in each section of damping clearance by dynamic formula fluid course
The flow direction for becoming liquid is all vertical with magnetic direction, takes full advantage of the trend of the magnetic line of force in radial and axial direction, is increasing
There is no the magnetic induction intensity reduced in damping clearance while damping clearance length, so that the damping force of MR damper can
Adjust range wider, performance is more preferable.
(4) part used in the utility model MR damper is except bobbin winder bracket, right dampened disk, valve pocket and left dampened disk are by low
Outside carbon steel permeability magnetic material is made, remaining parts are made of un-conducted magnetic material.This design can effectively ensure that the magnetic line of force as far as possible
Integrated distribution gives full play to effect of the vertical magnetic field to magnetorheological fluid in 4 sections of effective damping gaps, improves MR damper
Efficiency, and the energy consumption of MR damper is effectively reduced.
Detailed description of the invention
Fig. 1 is the utility model structure diagram.
Fig. 2 is the utility model left end cap cross-sectional view.
Fig. 3 is the utility model left end cap right view.
Fig. 4 is the left connection end cap cross-sectional view of the utility model.
Fig. 5 is the left connection end cap left view of the utility model.
Fig. 6 is the utility model valve pocket cross-sectional view.
Fig. 7 is the utility model valve pocket left view.
Fig. 8 is the left dampened disk cross-sectional view of the utility model.
Fig. 9 is the left dampened disk right view of the utility model.
Figure 10 is the utility model bobbin winder bracket cross-sectional view.
Figure 11 is that magnetorheological fluid flows through fluid course schematic diagram when the utility model compresses to the right.
Figure 12 is distribution diagram of magnetic line of force when the utility model is powered on.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples:
Fig. 1 show the utility model structure diagram.It mainly include left lifting lug 1, ring flange I 2, left bellows 3, flange
Disk II 4, bobbin winder bracket 5, magnet exciting coil 6, ring flange III 7, right bellows 8, ring flange IV 9, right lifting lug 10, right end cap 11, guiding
Axis 12, right braking roll 13, right connection end cap 14, right dampened disk 15, valve pocket 16, left dampened disk 17, left connection end cap 18, left stop
Axis 19 and left end cap 20.
Fig. 2 show the utility model left end cap cross-sectional view, and Fig. 3 show the utility model left end cap right view.Left end
20 center of lid is machined with an internal thread through hole, can be threadedly coupled with left 1 right end of lifting lug；20 right side outer ring of left end cap is machined with
4 circular through holes being arranged circumferentially respectively correspond the threaded hole of 4 12 left sides of guiding axis, by screw can play with
Guiding axis 12 is fixedly connected with effect；20 right side inner ring of left end cap is machined with 6 internal thread through hole being arranged circumferentially, corresponding
6 circular through holes on ring flange I 2, can play the role of being fastenedly connected with ring flange I 2 by screw；20 right side of left end cap adds
Work has annular groove, and left 3 left end of bellows is installed in annular groove and is compressed by ring flange I 2.
Fig. 4 show the left connection end cap cross-sectional view of the utility model, and Fig. 5 show the left connection end cap left view of the utility model
Figure.Left 18 center of connection end cap is machined with an internal thread through hole, can be threadedly coupled with left 19 right end of braking roll；Left connection end cap
18 left sides are machined with 6 circular through holes being arranged circumferentially, and respectively correspond 6 circular through holes and valve on ring flange II 4
The threaded hole of 16 left side 6 is covered, left connection end cap 18, ring flange II 4 are fixedly connected with valve pocket 16 by screw；Left connection end cap
18 left sides are machined with annular groove, and left 3 right end of bellows is installed in annular groove, and are compressed by ring flange II 4；Zuo Lian
It connects 18 left side of end cap and is machined with 4 kidney slots being arranged circumferentially, play guide functions.
Fig. 6 show the utility model valve pocket cross-sectional view, and Fig. 7 show the utility model valve pocket left view.Valve pocket 16 is left
End face is machined with 6 internal thread holes being arranged circumferentially, 6 circular through holes in corresponding left connection end cap 18；Valve pocket 16 is right
End face is machined with 6 internal thread holes being arranged circumferentially, 6 circular through holes in corresponding right connection end cap 14；On valve pocket 16
It is machined with a fairlead 1601, the lead of magnet exciting coil 6 can draw damper from fairlead 1601；16 middle part mounting base of valve pocket
On be machined with 4 pilot holes being arranged circumferentially, guiding axis 12 and pilot hole clearance fit, and can be transported along pilot hole or so
It is dynamic.
Fig. 8 show the left dampened disk cross-sectional view of the utility model, and Fig. 9 show the left dampened disk right view of the utility model.
Left 17 radial peripheral surface of dampened disk is machined with 4 circular protrusions being arranged circumferentially, and 4 circular protrusions can be with bobbin winder bracket 5
Inner surface transition fit；Left 17 right side of dampened disk is machined with 4 cylinder small boss being arranged circumferentially.
Figure 10 show the utility model bobbin winder bracket cross-sectional view.Stepped hole, shape inside stepped hole are processed into the middle part of bobbin winder bracket 5
At face 501, face 502 and deflector hole 503.Play axially position, the right dampened disk in 502 pairs of face on the right side of the left dampened disk 17 in 501 pairs of face
Axially position is played in 15 left sides, and deflector hole 503 plays guide functions.Winding slot 504 is machined on bobbin winder bracket 5, magnet exciting coil 6 twines
It is around in the winding slot 504 of bobbin winder bracket 5, the fairlead 1601 that lead passes through valve pocket 16 draws damper.
Figure 11 show magnetorheological fluid when the utility model compresses to the right and flows through fluid course schematic diagram.When left end cap 20,
When guiding axis 12 and right end cap 11 move right, arrow direction is magnetorheological fluid from damper cavity A to the flowing of cavity B
Direction.
Figure 12 show distribution diagram of magnetic line of force when the utility model is powered on.Between left dampened disk 17 and bobbin winder bracket 5
Ring axial gap forms the Ith section of effective damping gap；Disc radial clearance shape between left dampened disk 17 and bobbin winder bracket 5
At the IIth section of effective damping gap；Disc radial clearance between right dampened disk 15 and bobbin winder bracket 5 forms the IIIth section of effectively resistance
Buddhist nun gap；Ring axial gap between right dampened disk 15 and bobbin winder bracket 5 forms the IVth section of effective damping gap；I section,
II section, the IIIth section and the IVth section effective damping gap is sequentially connected, and constitutes mixed flow dynamic formula liquid flowing channel structure.When to excitation wire
When being passed through a certain size electric current in circle 6, since the magnetic line of force of electromagnetic induction generation is through valve pocket 16,5 left side of bobbin winder bracket, the Ith section
Effective damping gap, left dampened disk 17, the IIth section of effective damping gap reach 5 middle part of bobbin winder bracket, using the IIIth section of effectively resistance
Buddhist nun gap, the IVth section of effective damping gap, returns to valve pocket 16 on the right side of bobbin winder bracket 5 at right dampened disk 15, forms closed circuit.
Utility model works principle is as follows:
As shown in Figure 1, Figure 11 and Figure 12, left end cap 20 is fixedly connected with right end cap 11 by 4 guiding axis 12, and by leading
It drives to axis 12 along the pilot hole side-to-side movement on valve pocket 16；Left bellows 3 and right bellows 8 is used to carry out between end cap quiet
Sealing, eliminates the dynamic sealing friction of damper, effectively increases damping force adjustable extent.Left bellows 3 and right bellows 8 by
The identical elastic metallic bellows of specifications parameter is made, and volume can change with internal flow stream pressure and be changed, by damper
Rigid connection change into elastic connection so that damper in the small stroke motion of high speed have good isolation property,
Greatly reduce the transmitting of high-frequency vibration.Valve pocket 16, bobbin winder bracket 5, magnet exciting coil 6, left dampened disk 17 and right dampened disk 15 are constituted
One magnetorheological valve type structure with mixed flow fluid course.Under the function of current, I section, the IIth section, the IIIth section and
IV section of effective damping inner space will form magnetic field, and magnetic direction is vertical with the flow direction of magnetorheological fluid, at this time between 4 sections of dampings
Magnetorheological fluid viscosity increase under external magnetic field in gap, is changed into semisolid or solid-state by Newtonian fluid state rapidly,
Shear yield strength increases sharply and changes with applied field strengths, and magnetorheological fluid just must when flowing through this 4 sections of damping clearances
Chain resistance itself must be overcome, the resistance for flowing through valve so as to cause magnetorheological fluid increases, and can slow down or liquid stream is prevented to circulate, and produce
Raw level Four pressure drop to generate pressure difference between damper cavity A and cavity B.It, can by adjusting size of current in magnet exciting coil 6
It controls the magnetic field strength at damping clearance and then controls the shear stress of magnetorheological fluid, damping force is exported to damper to realize
Adjusting.
Claims (3)
1. a kind of MR damper being sealed using elastic metallic bellows, characterized by comprising: left lifting lug (1),
Ring flange I (2), left bellows (3), ring flange II (4), bobbin winder bracket (5), magnet exciting coil (6), ring flange III (7), right bellows
(8), ring flange IV (9), right lifting lug (10), right end cap (11), guiding axis (12), right braking roll (13), right connection end cap (14),
Right dampened disk (15), valve pocket (16), left dampened disk (17), left connection end cap (18), left braking roll (19) and left end cap (20)；It is left
Lifting lug (1) right end is externally threaded, and internal thread through hole is machined among left end cap (20), and the two is connected by screw threads for fastening；It is left
End cap (20) is fixedly connected with guiding axis (12) left side by screw；Ring flange I (2) is fixed with left end cap (20) by screw
Connection；Left end cap (20) right side is close in left bellows (3) left side, and is compressed by ring flange I (2)；Left bellows (3) with
Left end cap is sealed by a seal ring between (20)；Left connection end cap (18) and valve pocket (16) inner surface transition fit, and lead to
Sealing ring is crossed to be sealed；Left connection end cap (18), ring flange II (4) and valve pocket (16) are fixedly connected by screw；Left ripple
It manages (3) right side and is close to left connection end cap (18) left side, and compressed by ring flange II (4)；Left bellows (3) and left connection
End cap is sealed by a seal ring between (18)；Left braking roll (19) right end is externally threaded, and left connection end cap (18) is intermediate
It is machined with internal thread through hole, the two is connected by screw threads for fastening；Left connection end cap (18) right side be close to left dampened disk (17) and
Bobbin winder bracket (5) left side；Left dampened disk (17) radial peripheral surface is machined with 4 circular protrusions being arranged circumferentially, 4 circles
The circumferential inner surface transition fit of shape protrusion and bobbin winder bracket (5)；Bobbin winder bracket (5) and valve pocket (16) internal surface gaps cooperate, and lead to
Sealing ring is crossed to be sealed；It is processed into stepped hole in the middle part of bobbin winder bracket (5), forming face (501), face (502) and is led inside stepped hole
Discharge orifice (503)；The face (501) of bobbin winder bracket (5) and 4 cylinders being arranged circumferentially that left dampened disk (17) right side processes are small
Boss fitting, bobbin winder bracket (5) is by face (501) to progress axially position on the right side of left dampened disk (17)；The face of bobbin winder bracket (5)
(502) it is bonded with 4 cylinder small boss being arranged circumferentially of right dampened disk (15) left side processing, bobbin winder bracket (5) passes through
Face (502) is to progress axially position on the left of right dampened disk (15)；Magnet exciting coil (6) is wound in the winding slot (504) of bobbin winder bracket (5)
In, lead is drawn from the fairlead (1601) of valve pocket (16)；Right dampened disk (15) radial peripheral surface is machined with 4 circumferential directions
The circular protrusions being evenly arranged, the circumferential inner surface transition fit of 4 circular protrusions and bobbin winder bracket (5)；Right connection end cap (14)
It is close to right dampened disk (15) and bobbin winder bracket (5) right side in left side；Right braking roll (13) left end is externally threaded, right connection end cap
(14) intermediate to be machined with internal thread through hole, the two is threadably secured connection；Right connection end cap (14) and valve pocket (16) inner surface
Transition fit, and be sealed by a seal ring；Right connection end cap (14), ring flange III (7) and valve pocket (16) are solid by screw
Fixed connection；Right connection end cap (14) right side is close in right bellows (8) left side, and is compressed by ring flange III (7)；Right ripple
It is sealed by a seal ring between pipe (8) and right connection end cap (14)；Ring flange IV (9) is tight by screw with right end cap (11)
It is solidly connected；Right end cap (11) left side is close in right bellows (8) right side, and is compressed by ring flange IV (9)；Right bellows
(8) it is sealed by a seal ring between right end cap (11)；Right lifting lug (10) left end is externally threaded, and right end cap (11) is intermediate
It is machined with internal thread through hole, the two is connected by screw threads for fastening；Right end cap (11) is fixedly connected with guiding axis (12) by screw；
The pilot hole clearance fit opened on guiding axis (12) and valve pocket (16).
2. a kind of MR damper being sealed using elastic metallic bellows according to claim 1, feature
It is: surrounds closed containing cavity A between left end cap (20), left bellows (3), left braking roll (19) and left connection end cap (18)；It is right
Closed containing cavity B is surrounded between connection end cap (14), right braking roll (13), right bellows (8) and right end cap (11)；Closed containing cavity A
Magnetorheological fluid is filled respectively in closed containing cavity B；Left bellows (3) is identical elastic golden by specifications parameter with right bellows (8)
Belong to bellows to be made.
3. a kind of MR damper being sealed using elastic metallic bellows according to claim 1, feature
Be: bobbin winder bracket (5), right dampened disk (15), valve pocket (16) and left dampened disk (17) are made of mild steel permeability magnetic material respectively；Its
Remaining part is made of un-conducted magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821848115.6U CN209146206U (en) | 2018-11-11 | 2018-11-11 | A kind of MR damper being sealed using elastic metallic bellows |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821848115.6U CN209146206U (en) | 2018-11-11 | 2018-11-11 | A kind of MR damper being sealed using elastic metallic bellows |
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| Publication Number | Publication Date |
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| CN209146206U true CN209146206U (en) | 2019-07-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236936A (en) * | 2018-11-11 | 2019-01-18 | 华东交通大学 | A kind of MR damper being sealed using elastic metallic bellows |
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2018
- 2018-11-11 CN CN201821848115.6U patent/CN209146206U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236936A (en) * | 2018-11-11 | 2019-01-18 | 华东交通大学 | A kind of MR damper being sealed using elastic metallic bellows |
| CN109236936B (en) * | 2018-11-11 | 2023-12-22 | 华东交通大学 | Magnetorheological damper sealed by elastic metal corrugated pipe |
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