CN108811507A - Friction damper - Google Patents
Friction damper Download PDFInfo
- Publication number
- CN108811507A CN108811507A CN201880001120.XA CN201880001120A CN108811507A CN 108811507 A CN108811507 A CN 108811507A CN 201880001120 A CN201880001120 A CN 201880001120A CN 108811507 A CN108811507 A CN 108811507A
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- connecting rod
- peripheral surface
- elastic component
- containment member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
-
- 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
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/08—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Vibration Dampers (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The present invention provides a kind of friction damper, and foreign matter can preferably be inhibited to invade rubbing surface.Friction damper (1) has cylinder body (10), connecting rod (20), friction member (30), elastic component (40) and containment member (50).Cylinder body (10) is formed as tubular.Connecting rod (20) moves back and forth freely in the axial direction, and a part is accommodated in cylinder body (10).Friction member (30) is configured in the inside of cylinder body (10), by the frictional force generated between the peripheral surface (20C) of connecting rod (20) at it by the relative movement between cylinder body (10) and connecting rod (20), damping force is generated.Elastic component (40) applies elastic force towards the direction of slave cylinder body (10) the prominent length outstanding for end (20A) side for making connecting rod (20).Containment member (50) is applied in the elastic force of elastic component (40), is held in the gap (CP) outwardly and inwardly of elastic component (40) and closed communication cylinder body (10).
Description
Technical field
The present invention relates to a kind of friction dampers.
Background technology
Patent document 1 discloses a kind of traditional friction damper (damper).The friction damper has shell
(outer housing), connecting rod (rod), internal (inner) damping member and spring.Shell is formed as tubular.Connecting rod is set as
It is protruded from one end of shell.It is inserted into shell freely in addition, connecting rod moves back and forth in the axial direction.Internally-damped component with it is outer
The inner peripheral surface of shell is sliding freely mounted on connecting rod.Internally-damped component by the relative movement by shell and connecting rod its with
The frictional force generated between the inner peripheral surface of shell generates damping force.Spring applies direction between shell and connecting rod makes connecting rod
The elastic force in direction of the top end part far from shell.The friction damper in patent document 1 can absorb between shell and connecting rod as a result,
Vibration and impact.
Existing technical literature
Patent document
Patent document 1：Japanese Patent Laid 2006-507460 bulletins
Invention content
The technical problems to be solved by the invention
However, in friction damper, if the liquid such as water or polluter (contaminating material) etc. are different
Object invades rubbing surface, then will be unable to the damping brought into normal play.Therefore, the friction damper in patent document 1 is in shell
Both ends be mounted with dustproof cover (dust cap), to prevent foreign matter from invading.But as the dustproof cover of patent document 1
In the case of containment member, it is more likely that cause to fall off because vibrating or impacting.
The present invention developed in view of the above problem, with provide it is a kind of can preferably inhibit foreign matter intrusion friction
The friction damper in face is technical problem to be solved.
Solution for solving technical problems
The friction damper of the present invention has cylinder body (cyrinder), connecting rod, friction member, elastic component and sealing structure
Part.Cylinder body is formed as tubular.Connecting rod moves back and forth freely in the axial direction, and a part is accommodated in cylinder body.Friction member is configured in cylinder
The inside of body, by by the relative movement between cylinder body and connecting rod its in the inner peripheral surface of cylinder body and the peripheral surface of connecting rod extremely
The frictional force generated between few one, generates damping force.Elastic component direction keeps the slave cylinder body of the one end side of connecting rod outstanding
The direction of prominent length applies elastic force.Containment member is applied in the elastic force of elastic component, is held in elastic component and closes
It is connected to the gap outwardly and inwardly of cylinder body.
The friction damper of the present invention can also have outer tube (outer tube).The outer tube is formed as having bottom cylinder
Shape is connected with the one end of connecting rod in bottom, the one end inserted with cylinder body in canister portion, in the inner peripheral surface and cylinder body of canister portion
Gap is formed between peripheral surface.In addition, elastic component can be only fitted to the periphery of cylinder body, to the end face of the open side of outer tube
Apply elastic force.Moreover, containment member can be only fitted to the periphery of cylinder body, pass through the end face of the open side of elastic component and outer tube
And the peripheral surface of cylinder body abuts, to closing gap.
In the friction damper of the present invention, it can be formed a groove in outer casing.The groove portion is formed in the opening of outer tube
The end of the inner peripheral surface side of the end face of side, and be open to the end surface side of the open side of outer tube and inner peripheral surface side.Also, seal structure
Part can be only fitted to the groove portion.
The friction damper of the present invention can have outer tube.The outer tube is formed as bottomed tube, is connected in bottom
The one end of connecting rod, the one end inserted with cylinder body in canister portion are formed between the inner peripheral surface of canister portion and the peripheral surface of cylinder body
There is gap.Elastic component can be only fitted between one end of cylinder body and the bottom of outer tube, and to the end of the one end side of cylinder body
Face applies elastic force.Moreover, containment member can be only fitted to the inner circumferential of outer tube, pass through the one end side of elastic component and cylinder body
The inner peripheral surface of end face and outer tube abuts, to closing gap.
The friction damper of the present invention can also have connecting rod guides (rod guide).Connecting rod guides closed cylinder
One end side opening portion, and be formed with the through-hole for moving back and forth for connecting rod and inserting freely in the axial direction, and in the through-hole
Gap is formed between the peripheral surface of connecting rod.Elastic component can be only fitted to from the periphery of cylinder body connecting rod outstanding, and to even
The end face in the outside of bar guiding piece applies elastic force.Moreover, containment member can be only fitted to and protrude outward from connecting rod guides
The periphery of connecting rod is abutted by elastic component with the peripheral surface of the end face in the outside of connecting rod guides and connecting rod, to close
Gap.
In the friction damper of the present invention, containment member can be to be connected to relative to direction inclination orthogonal to the axial direction
Inclined surface on mode configure.
In the friction damper of the present invention, elastic component can be helical spring (coil spring).Furthermore, it is possible to
Have washer (washer) of the configuration between helical spring and containment member.
Description of the drawings
Fig. 1 is the sectional view for the friction damper for schematically showing embodiment 1.
Fig. 2 is the main portions enlarged drawing of Fig. 1.
Fig. 3 is the sectional view for the friction damper for schematically showing embodiment 2.
Fig. 4 is the main portions enlarged drawing of Fig. 3.
Fig. 5 is the sectional view for the friction damper for schematically showing embodiment 3.
Fig. 6 is the main portions enlarged drawing of Fig. 5.
Fig. 7 is the main portions enlarged cross-sectional view for the friction damper for schematically showing other embodiment, is to show
The figure (one) of other forms of groove portion.
Fig. 8 is the main portions enlarged cross-sectional view for the friction damper for schematically showing other embodiment, is to show
Other forms of groove portion figure (secondly).
Fig. 9 is the main portions enlarged cross-sectional view for the friction damper for schematically showing other embodiment, is to show
Other forms of groove portion figure (thirdly).
Figure 10 is the main portions enlarged cross-sectional view for the friction damper for schematically showing other embodiment, is to show
The figure (its four) of other forms of groove portion.
Figure 11 is the main portions enlarged cross-sectional view for the friction damper for schematically showing other embodiment, is to show
The figure (its five) of other forms of groove portion.
Figure 12 is the main portions enlarged cross-sectional view for the friction damper for schematically showing other embodiment, is to show
The figure (its six) of other forms of groove portion.
Figure 13 is the main portions enlarged cross-sectional view for the friction damper for schematically showing other embodiment, is to show
The figure (one) of other forms of containment member.
Figure 14 is the main portions enlarged cross-sectional view for the friction damper for schematically showing other embodiment, is to show
Other forms of containment member figure (secondly).
Specific implementation mode
About the Embodiments 1 to 3 for embodying the friction damper of the present invention, it is described with reference to the accompanying drawings.In addition,
In following implementation, with the friction used in the castor (caster) of wheelchair, perambulator (baby buggy), conveying trolley etc.
Damper illustrates as an example.For example, friction damper is assembled in the mounting bracket (bracket) and vehicle for being set to castor
In the mechanism parts such as joining beam (link) mechanism between wheel, there is concave-convex or height at blind person channel (block) etc. so as to mitigate
Vibration and impact on the road surface of low difference when driving.
【Embodiment 1】
As depicted in figs. 1 and 2, the friction damper 1 of embodiment 1 has cylinder body 10, connecting rod 20, friction member 30, bullet
Property component 40 and containment member 50.In addition, friction damper 1 has outer tube 60.
Cylinder body 10 is formed as the cylindrical shape of both ends open.The connecting rod guides 11 of tubular are by screwing togather embedded cylinder body 10
One end 10A, encloses the opening portion of the end sides 10A.It is formed through axis on the connecting rod guides 11 for being formed as tubular
To through-hole 11A.Connecting rod guides 11 press aftermentioned friction member 30 in the axial direction.In another end 10B of cylinder body 10
It is provided with cylinder body side engagement portion (joint) 12.Cylinder body side engagement portion 12 becomes by group together with aftermentioned connecting rod side engagement portion 63
The connecting portion being connect with other components when being attached to mechanism part.Pin can be inserted by being formed in cylinder body side engagement portion 12
(pin) the through-hole 12A such as.Cylinder body 10 be formed with compared with other parts by the inside of close end 10A carried out it is expanding
Wide diameter portion 10C.In wide diameter portion 10C receiving friction members 30 and insert connecting rod 20.In the inside shape by close end 10B of cylinder body 10
At the reducing diameter part 10D for having adjacent wide diameter portion 10C configurations.In addition, the peripheral surface 10E of the end sides 10B of cylinder body 10 is formed as, with end
The peripheral surface 10F of the portion sides 10A is expanding compared to having carried out.In this way by the expanding peripheral surface for forming the end sides 10B, in cylinder body 10
Peripheral surface forms step-like stage portion 10G.Stage portion 10G is provided with the pad for the end for bearing aftermentioned elastic component 40
Circle 41.
Connecting rod 20 moves back and forth freely in the axial direction, and a part is accommodated in cylinder body 10.Connecting rod 20 is formed as cylindric, with one
The end 10A state configurations outstanding of a end 20A from cylinder body 10.In addition, the end sides 20A of connecting rod 20 are guided by connecting rod
The through-hole 11A supports of part 11, another end sides 20B are supported by the reducing diameter part 10D of cylinder body 10.Specifically, connecting rod 20 slides
The cylindric bushing in the through-hole 11A of the reducing diameter part 10D and connecting rod guides 11 that are respectively arranged at cylinder body 10 is inserted freely
(bush) it in 70,71, and is supported by the reducing diameter part 10D of cylinder body 10 and connecting rod guides 11 by the two bushings 70,71.
Portion piston (piston) 21 is provided among the axial direction of connecting rod 20.Piston portion 21 is formed as, with connecting rod 20 its
The outer diameter at his position is expanding compared to having carried out.Connecting rod 20 configures the piston portion 21 in the wide diameter portion 10C of cylinder body 10.In connecting rod
20 another end 20B is equipped with bolt (bolt) 22.Bolt 22 is equipped with washer 23 in the end 20B of connecting rod 20, the pad
Circle 23 has the outer diameter of the internal diameter bigger of the reducing diameter part 10D than cylinder body 10.Washer 23 with the end face outside of reducing diameter part 10 by supporting
It connects, plays the function for the anti-falling piece for preventing connecting rod 20 from falling off from 11 side of connecting rod guides, also, also playing prevents foreign matter from invading cylinder
The function of the metal seal of the inside of body 10.
Friction member 30 is configured in the inside of cylinder body 10.Specifically, the configuration of friction member 30 is in 10 inside of cylinder body
Wide diameter portion 10C.Friction member 30 is pressed in the axial direction by connecting rod guides 11.Friction member 30 is the poly- ammonia by 70 ° of hardness
The component for being formed as cylindrical shape that ester rubber (poryurethane rubber) is constituted.The outer diameter and axial direction of friction member 30
Length is formed as being equal with the internal diameter of wide diameter portion 10C and axial length, and is configured in cylinder body with the state being embedded in wide diameter portion 10C
In 10.The peripheral surface 21A of piston portion 21 is sliding freely connected to the inner peripheral surface 30A of friction member 30.Specifically, friction structure
The diameter of the inner peripheral surface 30A of part 30 is formed as smaller than the diameter of the peripheral surface 21A of piston portion 21, is applied in the state of flexible deformation
Add surface pressing and is connected to the peripheral surface 21A of piston portion 21.
Friction member 30 by by the relative movement between cylinder body 10 and connecting rod 20 at it between the peripheral surface of connecting rod 20
The frictional force of generation generates damping force.In this case, connecting rod 20 is relative to the shifting opposite in the axial direction of cylinder body 10
It is dynamic, thus generated between the peripheral surface 21A of piston portion 21 of the friction member 30 in the peripheral surface of inner circumferential surface 30A and connecting rod 20
Frictional force.That is, in the friction damper 1 of embodiment 1, rubbing surface refer to friction member 30 inner peripheral surface 30A and
The peripheral surface 21A of piston portion 21.Also, being used as by the frictional force that the mutual sliding of these rubbing surfaces generates inhibits connecting rod 20 to exist
The damping force of movement in axial direction and play a role.
In addition, being formed with the through-hole (not shown) for penetrating through two end faces in an axial direction in piston portion 21.Ensured by the through-hole
Ventilation between the space IS of the inside of the cylinder body 10 separated by piston portion 21, and cope with friction damper 1 and stretch and piston
The volume variation of space IS when portion 21 moves.
Elastic component 40 is towards the direction of the prominent length outstanding of slave cylinder body 10 for the end sides 20A for making connecting rod 20
(left and right directions of Fig. 1) applies elastic force.In other words, elastic component 40 applies elastic force to the direction for making friction damper 1 extend.?
In present embodiment, elastic component 40 is configured in the periphery of cylinder body 10, and the end face of the open side to aftermentioned outer tube 60
62B applies elastic force.Specifically, the elastic component 40 of present embodiment uses compression helical spring, by cylinder body 10 from end
The form that the portion sides 10A are inserted into its inner circumferential is configured in the periphery of cylinder body 10.Have and cylinder in an end set of elastic component 40
The washer 41 that the stage portion 10G of body 10 is abutted.Have and aftermentioned outer tube 60 in another end set of elastic component 40
The washer 42 that the end face 62B of open side is abutted.Apply the bullet of elastic component 40 towards the direction being located remotely from each other to washer 41,42
Power, and the elastic force is conducted to the cylinder body 10 and outer tube 60 for bearing washer 41,42.
In addition, as shown in Fig. 2, being formed with inclined surface 42A on washer 42.Inclined surface 42A is formed as the axis to washer 42
The end face of (left direction of Fig. 2) and inner peripheral surface opening outward.That is, inclined surface 42A is formed as, relative to it is axial just
The radial skew of direction, that is, washer 42 of friendship, and the axially external and interior circumferential direction towards washer 42.Inclined surface 42A is throughout pad
The complete cycle of circle 42 is formed, and is in cone (taper) shape from axially external end face towards other end undergauge in the axial direction on the whole.Incline
Inclined-plane 42A is formed with groove portion G1, and groove portion G1 is to be enclosed by the end face 62B of 60 open side of peripheral surface 10F and outer tube of cylinder body 10
At space.It is triangular in shape that ditch portion G1 is formed as section.
Containment member 50 is applied in the elastic force of elastic component 40, is held in the outer of elastic component 40 and closed communication cylinder body 10
Portion and internal clearance C P.Clearance C P is the channel of the space ES and internal space IS for the outside for being connected to cylinder body 10.In this reality
In the case of applying mode, clearance C P includes (bushing 71 between the through-hole 11A of connecting rod guides 11 and the peripheral surface 20C of connecting rod 20
Between connecting rod 20) clearance C P1, outer tube 60 inside space CP2 and cylinder body 10 peripheral surface 10F and outer tube
Clearance C P3 between the inner peripheral surface 62C of 60 canister portion 62.In addition, the space CP2 in the inside of outer tube 60 is connected to for answering
To the air passage (not shown) of the flexible volume variation with friction damper 1.
In the present embodiment, the configuration of containment member 50 passes through elastic component 40 and outer tube 60 in the periphery of cylinder body 10
The end face 62B of open side and the peripheral surface 10F of cylinder body 10 abut, to closing gap CP.In addition, containment member 50 configures
In groove portion G1.Containment member 50 is o-ring.Inner wall, that is, inclined surface 42A of containment member 50 and section groove portion G1 triangular in shape
It abuts, and bears the elastic force of elastic component 40 by inclined surface 42A.Also, containment member 50 is being applied in elastic component 40
Elastic force to be pressed in the state of, with the end face 62B of the open side of axial bearing surface, that is, outer tube 60 and radial direction
The excircle 10F of bearing surface, that is, cylinder body 10 is abutted, to closing gap CP.The containment member 50 of present embodiment, which is configured at, to be become
The position on the boundary of clearance C P and exterior space ES, it may be said that containment member 50 encloses the outermost of clearance C P.As o-ring
(o-ring) containment member 50 is for example pressed according to compression surplus specified in Japanese Industrial Specifications (JIS).
Outer tube 60 is formed as the bottomed tube of one end open.Outer tube 60 has bottom 61 and canister portion 62.In outer tube
The outside of 60 bottom 61 is provided with connecting rod side engagement portion 63.Connecting rod side engagement portion 63 and cylinder body side engagement portion 12 together as with
The connecting portion of other components connection.The through-hole 63A of pin etc. can be inserted by being formed in connecting rod side engagement portion 63.Connecting rod side connects
Conjunction portion 63 is installed on connecting rod 20 by screw division 63B, the bottom 61 of screw division 63B insert outer tube 60 and with the end of connecting rod 20
Portion 20A is screwed togather.That is, outer tube 60 is connected with the one end i.e. end 20A of connecting rod 20 in bottom 61.Outer tube 60 is with cylinder
The form of the peripheral surface 10F of the end sides 10A of the end 62A covering cylinder bodies 10 of the open side in portion 62, is mounted on the end of connecting rod 20
Portion 20A.In other words, an end 10A inserted with cylinder body 10 in the canister portion 62 of outer tube 60.
Next, being illustrated for the function and effect of the friction damper 1 in embodiment 1.
When being extended by the elastic force of elastic component 40 after friction damper 1 is shunk by external force or external force disappears, even
The peripheral surface 21A of the piston portion 21 of bar 20 is slided on the inner peripheral surface 30A of friction member 30 to generate frictional force.It is rubbed by this
The flexible effect of power confrontation is wiped, the effect as the damping force for making contraction or stretching motion decaying is played.
When friction damper 1 stretches, the containment member 50 configured in groove portion G1 is relatively moved relative to cylinder body 10.Namely
It says, when friction damper 1 stretches, containment member 50 can slide axially on the peripheral surface 10F of cylinder body 10.Containment member 50
By the elastic force of elastic component 40, it is clamped between the end face 62B of the open side of inclined surface 42A and outer tube 60.Therefore, close
Envelope component 50 will not fall off and be held stably, and be reliably prevented foreign matter intrusion.
In addition, the configuration of containment member 50 is applied in bullet in the periphery of cylinder body 10 to the end face 62B of the open side of outer tube 60
Property component 40 elastic force, be pressed against the peripheral surface 10F of end face 62B and cylinder body 10 and abut, to closing gap CP.Cause
This, steadily closing gap CP and prevents foreign matter intrusion clearance C P.In addition, containment member 50 clearance C P entrance i.e. near
The position of the space ES in outside encloses clearance C P, thus has pulled open to the maximum extent until the space IS of the inside of cylinder body 10
Distance.Therefore, even if foreign matter crosses the friction that can inhibit if containment member 50 invades in clearance C P in its arrival cylinder body 10
Face.
As described above, the friction damper 1 of embodiment 1 has cylinder body 10, connecting rod 20, friction member 30, elastic component
40 and containment member 50.Cylinder body 10 is formed as tubular.Connecting rod 20 moves back and forth freely in the axial direction, and a part is incorporated in cylinder
Body 10.The configuration of friction member 30 in the inside of cylinder body 10, by by the relative movement between cylinder body 10 and connecting rod 20 at it and even
The frictional force generated between the peripheral surface 21A of bar 20 generates damping force.Elastic component 40 is towards an end for making connecting rod 20
The direction of the prominent length outstanding of slave cylinder body 10 of the sides 20A applies elastic force.Containment member 50 is applied in elastic component 40
Elastic force is kept the clearance C P outwardly and inwardly of simultaneously closed communication cylinder body 10 by elastic component 40.
Through this structure, in friction damper 1, containment member 50 and is being applied by the elastic force of elastic component 40
Add and keeps containment member 50 in the state of the elastic force.It is taken off therefore, it is possible to be reliably prevented containment member 50 because impacting or vibrating
It falls.As a result, the state sealed by containment member 50 can reliably be kept.
Therefore, friction damper 1 can preferably inhibit foreign matter to invade rubbing surface.
In addition, friction damper 1 has outer tube 60.The outer tube 60 is formed as bottomed tube, is connected in bottom 61
One end 20A of connecting rod 20, an end 10A inserted with cylinder body 10 in canister portion 62, in the inner peripheral surface and cylinder of canister portion 62
Clearance C P (CP3) is formed between the peripheral surface 10F of body 10.In addition, elastic component 40 is configured in the periphery of cylinder body 10, to housing
The end face 62B of the open side of pipe 60 applies elastic force.Moreover, the configuration of containment member 50 passes through elastic component in the periphery of cylinder body 10
40 abut with the peripheral surface 10F of the end face 62B of the open side of outer tube 60 and cylinder body 10, to closing gap CP.Thus, example
Such as compared with the case where containment member is configured to the inner circumferential in cylinder body, it can further extend the gap that path is invaded as foreign matter
The length of CP.Thereby, it is possible to inhibit the foreign matter after containment member 50 to reach the rubbing surface i.e. friction member 30 in cylinder body 10
Inner peripheral surface and connecting rod 20 piston portion 21 peripheral surface 21A between.
In addition, containment member 50 is in a manner of being connected to relative on the inclined inclined surface 42A in direction orthogonal to the axial direction
Configuration.Therefore, it is possible to which the elastic force of elastic component 40 to be not only converted to axial power, but also can preferably be converted to along diameter
To the power of pressing containment member 50.As a result, can preferably by containment member 50 press respectively axial bearing surface i.e.
On the peripheral surface 10F of the end face 62B of the open side of outer tube 60 and radial bearing surface, that is, cylinder body 10.
In addition, elastic component 40 is helical spring.Moreover, having washer 42, which configures in helical spring, that is, bullet
Between property component 40 and containment member 50.Therefore, compared with the case where seal member 50 directly applies elastic force by elastic component 40,
Elastic force can preferably be applied.
【Embodiment 2】
Next, with reference to Fig. 3, Fig. 4 etc., embodiment 2 is illustrated.
Fig. 3 and the friction damper of embodiment shown in Fig. 42 201 are matched elastic component 240 and containment member 250
It is different from the friction damper 1 of embodiment 1 in terms of setting form.For other parts, to having and the substantially phase of embodiment 1
Same structure, the part imparting reference numeral same as embodiment 1 of function, and omit detailed description.
As shown in Figure 3 and Figure 4, in the friction damper 201 of embodiment 2, elastic component 240 uses compression spiral
Spring.Elastic component 240 is configured in the form of following：Connecting rod 20 is inserted into the inner circumferential of elastic component 240 from the end sides 20A, and
And the periphery of elastic component 240 is covered by the canister portion 62 of outer tube 60.The bottom of one end and outer tube 60 of elastic component 240
Portion 61 abuts.There is the pad that the end face 10H with the end sides 10A of cylinder body 10 is abutted in another end set of elastic component 240
Circle 242.Away from the direction of the bottom 61 of outer tube 60, apply the elastic force of elastic component 40 to washer 242, which is passed
It is directed at the cylinder body 10 for bearing washer 242.
In addition, as shown in figure 4, being formed with inclined surface 242A on washer 242.Inclined surface 242A is formed as in washer 242
Axially inner side (right direction of Fig. 4) end face and peripheral surface opening.That is, inclined surface 242A is formed, relative to
The radial skew of direction, that is, washer 242 orthogonal to the axial direction, and the axially inner side towards washer 242 and peripheral direction.It tilts
Face 242A is formed throughout the complete cycle of washer 242, is in expanding in the axial direction from the end face of axially inner side towards the other end on the whole
Taper.Inclined surface 242A is formed with the inner peripheral surface of the canister portion 62 by the end face 10H and outer tube 60 of the end sides 10A of cylinder body 10
The space that 62C is surrounded i.e. groove portion G2.The sections as the groove portion G1 of embodiment 1 groove portion G2 are triangular in shape.
Containment member 250 is applied in the elastic force of elastic component 240.Containment member 250 is held in elastic component 240 and closes
Clearance C P.Containment member 250 configures the inner circumferential in the canister portion 62 of outer tube 60, to the end face 10H quilts of the end sides 10A of cylinder body 10
Apply the elastic force of elastic component 240.More specifically, the configuration of containment member 250 is in groove portion G2.Containment member 250 and embodiment party
The containment member 50 of formula 1 is equally o-ring.Inner wall, that is, inclined surface of containment member 250 and section groove portion G2 triangular in shape
242A is abutted, by inclined surface 242A by the elastic force of elastic component 240.Moreover, containment member 250 passes through inclined surface 242A
By the elastic force of elastic component 240, to be pressed against the i.e. cylinder body 10 of axial bearing surface the end sides 10A end face 10H and
On the inner peripheral surface 62C of the canister portion 62 of radial bearing surface, that is, outer tube 60, and closing gap CP.
Next, being illustrated to the function and effect of the friction damper 201 in embodiment 2.
When being extended by the elastic force of elastic component 240 after friction damper 201 is shunk by external force or external force disappears,
Identical as embodiment 1, the peripheral surface 21A of the piston portion 21 of connecting rod 20 is slided on the inner peripheral surface 30A of friction member 30, to
Generate frictional force.By the effect that frictional force confrontation is flexible, play as the damping force for making contraction or stretching motion decaying
Effect.
When friction damper 201 stretches, the containment member 250 configured in groove portion G2 is relatively moved relative to outer tube 60.
That is, when friction damper 201 stretches, containment member 250 can be in the inner peripheral surface 62C upper edges of the canister portion 62 of outer tube 60
It slides axially.Containment member 250 is clamped in the end 10A of inclined surface 242A and cylinder body 10 by the elastic force of elastic component 240
Between the end face 10H of side.Therefore, containment member 250 will not fall off and be held stably, and be reliably prevented foreign matter intrusion.
In addition, inner circumferential of the configuration of containment member 250 in the canister portion 62 of outer tube 60, towards the end sides 10A of cylinder body 10
End face 10H is applied in the elastic force of elastic component 240, is pressed against the inner peripheral surface 62C and cylinder body 10 of the canister portion 62 of outer tube 60
The end sides 10A end face 10H and abut, to closing gap CP.Therefore, steadily closing gap CP and prevent foreign matter from invading
Clearance C P.
In the friction damper 201 of such structure, containment member 250 by elastic component 240 elastic force, and by
Containment member 250 is kept in the state of the elastic force.It is taken off therefore, it is possible to be reliably prevented containment member 250 because impacting or vibrating
It falls.As a result, the state sealed by containment member 250 can reliably be kept.Therefore, friction damper 201 and embodiment party
As friction damper 1 in formula 1, foreign matter can preferably be inhibited to invade rubbing surface.
In addition, in friction damper 201, elastic component 240 is configured in the bottom of the end 10A and outer tube 60 of cylinder body 10
Between 61, and apply elastic force towards the end face 10H of the end sides 10A of cylinder body 10.Also, containment member 250 configures outside
The inner circumferential of casing 60 passes through elastic component 240 and the end face 10H of the end sides 10A of cylinder body 10 and the inner peripheral surface of outer tube 60
It abuts, to closing gap CP.It therefore, being capable of preferably closing gap CP by containment member 250.In addition, due to elastic structure
Part 240 is arranged in the axial direction of cylinder body 10, therefore, with periphery of the elastomeric member configuration in cylinder body the case where compared with, can
Reduce the size in the diameter direction of friction damper.
In addition, containment member 250 is configured in a manner of being abutted with inclined surface 242A, inclined surface 242A relative to axial direction
Orthogonal direction tilts.Therefore, it is possible to which the elastic force of elastic component 240 to be not only converted to axial power, but also can be preferable
Ground is converted to the power for radially pressing containment member 250.As a result, preferably containment member 250 can be pressed respectively
The end face 10H of the end sides 10A of axial bearing surface, that is, cylinder body 10 is interior with the canister portion 62 of radial bearing surface, that is, outer tube 60
On circumferential surface 62C.
In addition, elastic component 240 is helical spring.Moreover, having configuration in helical spring i.e. elastic component 240 and sealing
Washer 242 between component 250.Therefore, compared with the case where containment member 250 directly applies elastic force by elastic component 240, energy
Preferably apply elastic force.
【Embodiment 3】
In the following, with reference to Fig. 5, Fig. 6 etc., embodiment 3 is illustrated.
Fig. 5 and the friction damper of embodiment shown in fig. 63 301 are matched elastic component 340 and containment member 350
It is different from the friction damper 1 of embodiment 1 in terms of setting form.For other parts, to having and the substantially phase of embodiment 1
The part of same structure, function assigns reference numeral same as embodiment 1, and omits detailed description.
As shown in Figure 5 and Figure 6, in the friction damper 301 of embodiment 3, elastic component 340 uses compression spiral
Spring is configured as the elastic component 240 of embodiment 2 in the form of following：Connecting rod 20 is inserted into elasticity from the end sides 20A
The inner circumferential of component 340, and the periphery of elastic component 340 is covered by the canister portion 62 of outer tube 60.One end of elastic component 340
Portion is abutted with the bottom 61 of outer tube 60, has the end face 10H with the end sides 10A of cylinder body 10 to abut in its another end set
Washer 342.Away from the direction of the bottom 61 of outer tube 60, apply the elastic force of elastic component 340, the bullet to washer 342
Power is conducted to the cylinder body 10 for bearing washer 342.
In addition, as shown in fig. 6, being formed with inclined surface 342A on washer 342.Inclined surface 342A is formed as, towards washer 342
Axially inner side (right direction of Fig. 6) end face and inner peripheral surface opening.That is, inclined surface 342A is relative to orthogonal to the axial direction
Direction, that is, washer 342 radial skew, and the axially inner side towards washer 342 and interior circumferential direction.Inclined surface 342A is spread
The complete cycle of washer 342 is formed, and is in the taper from the end face of axially inner side towards other end undergauge in the axial direction on the whole.Inclined surface
342A is formed with groove portion G3, and groove portion G3 is surrounded by the end face 11B in the outside of connecting rod guides 11 and the peripheral surface of connecting rod 20
Space.The sections as embodiment 1, groove portion G1, G2 of embodiment 2 groove portion G3 are triangular in shape.
Containment member 350 is applied in the elastic force of elastic component 340.Containment member 350 is held in elastic component 340 and closes
Clearance C P.Containment member 350 is configured in the periphery of connecting rod 20, and elasticity is applied in the end face 11B in the outside of connecting rod guides 11
The elastic force of component 340.More specifically, the configuration of containment member 350 is in groove portion G3.Containment member 350 and embodiment 1, implementation
The containment member 50,250 of mode 2 is equally o-ring.The inner wall of the groove portion G3 triangular in shape with section of containment member 350 inclines
Inclined-plane 342A is abutted, by inclined surface 342A by the elastic force of elastic component 340.Moreover, containment member 350 passes through inclined surface
342A by elastic component 340 elastic force, to be pressed against the axial bearing surface i.e. end face in the outside of connecting rod guides 11
On the peripheral surface 20C of 11B and radial bearing surface, that is, connecting rod 20, and closing gap CP.
Next, being illustrated to the function and effect of the friction damper 301 of embodiment 3.
When being extended by the elastic force of elastic component 340 after friction damper 301 is shunk by external force or external force disappears,
Identical as embodiment 1, the peripheral surface 21A of the piston portion 21 of connecting rod 20 is slided on the inner peripheral surface 30A of friction member 30, to
Generate frictional force.By the effect that frictional force confrontation is flexible, play as the damping force for making contraction or stretching motion decaying
Effect.
When friction damper 301 stretches, the containment member 350 configured in groove portion G3 is relatively moved relative to connecting rod 20.?
That is when friction damper 301 stretches, containment member 350 slides axially on the peripheral surface of connecting rod 20.Containment member
350 by elastic component 340 elastic force, be clamped between the end face 11B in the outside of inclined surface 342A and connecting rod guides 11.
Therefore, containment member 350 will not fall off and be held stably, and be reliably prevented foreign matter intrusion.
In addition, containment member 350 is configured in the periphery of connecting rod 20, towards the end face 11B quilts in the outside of connecting rod guides 11
The elastic force for applying elastic component 340 is pressed against the end face 11B in the peripheral surface of connecting rod 20 and the outside of connecting rod guides 11 simultaneously
It abuts, to closing gap CP.Therefore, steadily closing gap CP and foreign matter intrusion clearance C P is prevented.
As a result, in the friction damper 301 of embodiment 3, containment member 350 by elastic component 340 elastic force, and
It is applied in the state of the elastic force and keeps containment member 350.Therefore, it is possible to be reliably prevented containment member 350 because impacting or shaking
It moves and falls off.As a result, the state sealed by containment member 350 can reliably be kept.Therefore, friction damper 301 with
Embodiment 1, embodiment 2 friction damper 1,201 as, can preferably inhibit foreign matter invade rubbing surface.
In addition, friction damper 301 has connecting rod guides 11, the end 10A of 11 closed cylinder 10 of connecting rod guides
The opening portion of side, and it is formed with the through-hole 11A for moving back and forth for connecting rod 20 and inserting freely in the axial direction, and in the through-hole
It is formed with clearance C P1 between 11A and the peripheral surface 20C of connecting rod 20.The configuration of elastic component 340 is from 10 connecting rod 20 outstanding of cylinder body
Periphery, and to the end face 11B in the outside of connecting rod guides 11 apply elastic force.Also, the configuration of containment member 350 is from connecting rod
The periphery for the connecting rod 20 that guiding piece 11 protrudes outward passes through the end face 11B of elastic component 340 and the outside of connecting rod guides 11
And the peripheral surface 20C of connecting rod 20 is abutted, to closing gap CP.In this way, since elastic component 340 is in the axial direction of cylinder body 10
It is arranged, therefore, compared with the case where elastic component 340 is configured in the periphery of cylinder body 10, friction damper can be reduced
The size in diameter direction.
The present invention is not limited to through the above and the Embodiments 1 to 3 of description of the drawings, such as mode be implemented as follows
It is also contained in protection scope of the present invention.
(1) in Embodiments 1 to 3, although illustrating o-ring as containment member, containment member is not limited to
This, can also use other containment members.In addition, it is circular containment member to be also not limited to section as o-ring,
May be used section be ellipse, section be semilune, rectangular cross-section, the sealing that section is other cross sectional shapes such as U-shaped
Component.
(2) in Embodiments 1 to 3, illustrate form groove portion being formed on washer respectively, but this not must
Palpus.Groove portion can also be formed in the component side for the elastic force that elastic component is born across washer.For example, as shown in fig. 7, can be arranged
The groove portion G4 being shaped as on the end face 462B of the outer tube 460 for the elastic force for bearing elastic component 40 across washer 442.In addition,
As shown in Figure 8 and Figure 9, it can also be arranged to be respectively formed at the elastic force that elastic component 240,340 is born across washer 542,642
, groove portion G5, G6 on the end face 510H of cylinder body 510, the end face 611B of connecting rod guides 611.Also it is possible to such as in Figure 10
Shown in the groove portion G7 that is formed across both washer 42 and outer tube 460 it is such, be arranged to span over the slot of 2 components formation
Portion.Further more, the groove portion G8 of the end for being formed in elastic component 840 that can also be as shown in fig. 11 is such, groove portion is direct
It is formed on elastic component.It is triangular in shape that these groove portions can be arranged to section as the groove portion of Embodiments 1 to 3, and can shape
The inclined surface abutted at containment member.
(3) in Embodiments 1 to 3, the form of Formation cross-section groove portion triangular in shape is illustrated, but this not must
Palpus.The cross sectional shape of groove portion is not limited to triangle, such as can also use the slot of rectangular in cross-section shown in (A) of Figure 12
Be combined with shown in (C) of the section shown in (B) of portion G9 or Figure 12 in fan-shaped groove portion G10, Figure 12 rectangular section and
The groove portion of other cross sectional shapes such as the groove portion G11 of the cross sectional shape of the form of inclined surface.
(4) it in Embodiments 1 to 3, illustrates containment member configuration in the form of groove portion, but this is not necessarily.
For example, as shown in figure 13, can configure the containment member 1250 annular in shape as washer can configure as shown in figure 14
The containment member 1350 that (coating) is coated to elastic component 1340 with the resin of the material as containment member and is formed
Deng can be not provided with groove portion and configure containment member.
(5) it in Embodiments 1 to 3, illustrates the connection of the space on the inside of outer tube and subtracts with friction for coping with
The form of the air passage (not shown) of the flexible volume variation of device is shaken, but this is not necessarily.For example, when setting air passage, example
Such as in order to inhibit foreign matter to invade, may be used be attached from the another side of connecting rod so that it is guaranteed that between outside distance it is logical
Stomata, or bend to the ventilation of the various forms such as the venthole of crank (crank) shape formation in the bottom of outer tube or canister portion
Hole.
(6) in Embodiments 1 to 3, another end mounting gasket in connecting rod is illustrated and as metal sealing
Part prevents the form in foreign matter intrusion cylinder body, but this is not necessarily.In another end set sealing element of connecting rod, not only limit
In the washer, the containment member of other forms such as o-ring can also be set.
(7) in Embodiments 1 to 3, the washer for the end face for bearing elastic component is illustrated and mounted on the another of connecting rod
The washer of one end, but can also have more using bushing (spacer) etc. is axial compared with washer instead of these washers
The component of thick degree.
(8) it in Embodiments 1 to 3, is produced between the peripheral surface of connecting rod at it by friction member although illustrating
Raw frictional force generates the form of damping force, but can also be arranged to generate frictional force between the inner peripheral surface of cylinder body at it
Form, i.e. friction member is mounted on the form on connecting rod, or in itself and both the inner peripheral surface of cylinder body and the peripheral surface of connecting rod
Between generate frictional force form, i.e., the form of friction member is set in a manner of being slid freely with both cylinder body and connecting rod.
(9) in embodiment 3, have with bottom with canister portion and connected in bottom although illustrating friction damper
Have the one end of connecting rod outer tube and configuration the periphery of connecting rod elastic component, and by the bottom of the outer tube,
Towards make the direction of the slave cylinder body of the one end of connecting rod prominent length outstanding be applied in elastic component elastic force form,
But at this point, the canister portion of outer tube is not necessarily.That is, the form for having outer tube can be replaced, and it is arranged to for example have
For the form of other components such as the disk-shaped component of elastic force for connecting the one end of connecting rod and bearing elastic component, or use
Form that is expanding and directly bearing elastic component is carried out to the one end of connecting rod.
(10) in Embodiments 1 to 3, although illustrating the form for having connecting rod guides, the connecting rod guides
May not necessarily have the function of guiding connecting rod.In other words, if the opening portion of the one end side of connecting rod guides closed cylinder simultaneously
Formation moves back and forth the through-hole inserted freely for connecting rod in the axial direction, and between the through-hole and the peripheral surface of connecting rod between formation
Gap is not particularly limited its form.For example, connecting rod guides can bend the end of cylinder body and shape inwardly
At form etc..In this connecting rod guides, containment member can also be made between it between connecting rod.
(11) in Embodiments 1 to 3, the sealing structure for having the elastic force for being applied in elastic component and being kept is illustrated
The form of part, still, on this basis, can be further equipped with configuration the through-hole of connecting rod guides inner peripheral surface and connecting rod
Other containment members between peripheral surface or between the inner peripheral surface of the reducing diameter part of cylinder body and the peripheral surface of connecting rod.
(12) in Embodiments 1 to 3, the form for having the helical spring as elastic component is illustrated, but this is simultaneously
It is nonessential.In addition, as shown in above-mentioned various embodiments, when having helical spring, preferably has configuration in helical spring
Washer between containment member.For example, there are open end (open end), sealing end (closed for the end of helical spring
End), whether there is or not the multiple types such as polishing.When these ends being made directly to be connected to containment member, it may appear that the position not abutted, meeting
It is unequal to there is contact area, causes radially unevenly to apply elastic force in containment member.But make washer between spiral
Between spring and containment member, uniform elastic force can be applied to containment member by washer.
Reference sign
1,201,301：Friction damper
10,510：Cylinder body
10A：One end of cylinder body
10B：Another end of cylinder body
10C：Wide diameter portion
10D：Reducing diameter part
10E：The peripheral surface of another end side of cylinder body
10F：The peripheral surface of one end side of cylinder body
10G：Stage portion
10H,510H：The end face of one end side of cylinder body
11,611：Connecting rod guides
11A：Through-hole
11B,611B：The end face in the outside of connecting rod guides
12：Cylinder body side engagement portion
12A：Through-hole
20：Connecting rod
20A：One end of connecting rod
20B：Another end of connecting rod
20C：The peripheral surface of connecting rod
21：Piston portion
21A：The peripheral surface of piston portion
22：Bolt
23：Washer
30：Friction member
30A：The inner peripheral surface of friction member
40,240,340,840,1340：Elastic component
41,42,242,342,442,542,642：Washer
42A,242A,342A：Inclined surface
50,250,350,1250,1350：Containment member
60,460：Outer tube
61：The bottom of outer tube
62：The canister portion of outer tube
62A：The end of the open side of outer tube
62B,462B：The end face of the open side of outer tube
62C：The inner peripheral surface of the canister portion of outer tube
63：Connecting rod side engagement portion
63A：Through-hole
63B：Screw division
70,71：Bushing
CP：Gap (CP1：Gap between connecting rod guides and connecting rod, CP2：Space in outer tube, CP3：Cylinder body
Gap between peripheral surface and the inner peripheral surface of outer tube)
ES：The space of the outside of cylinder body
G1~G11：Groove portion
IS：The space of the inside of cylinder body
Claims (8)
1. a kind of friction damper, which is characterized in that have：
The cylinder body of tubular；
Connecting rod moves back and forth freely in the axial direction, and a part is accommodated in the cylinder body；
Friction member is configured in the inside of the cylinder body, by being existed by the relative movement between the cylinder body and the connecting rod
Its frictional force generated between at least one of the inner peripheral surface of the cylinder body and the peripheral surface of the connecting rod generates damping
Power；
Elastic component, towards being applied from the direction of the cylinder body prominent length outstanding for the one end side for making the connecting rod
Add elastic force；And
Containment member is applied in the elastic force of the elastic component, is held in cylinder body described in the elastic component and closed communication
Gap outwardly and inwardly.
2. friction damper as described in claim 1, which is characterized in that
Have the outer tube of bottomed tube, which is connected with the one end of the connecting rod in bottom, in canister portion inserted with
The one end of the cylinder body is formed with the gap between the inner peripheral surface and the peripheral surface of the cylinder body of cartridge,
The elastomeric member configuration applies elastic force in the periphery of the cylinder body, to the end face of the open side of the outer tube,
The containment member configuration passes through the end of the elastic component and the open side of the outer tube in the periphery of the cylinder body
The peripheral surface of face and the cylinder body abuts, to close the gap.
3. friction damper as claimed in claim 2, which is characterized in that
The outer tube is formed with groove portion in the end of the inner peripheral surface side of the end face of the open side, and the groove portion is to the open side
End surface side and inner peripheral surface side opening, and for configuring the containment member.
4. friction damper as described in claim 1, which is characterized in that
Have the outer tube of bottomed tube, which is connected with the one end of the connecting rod in bottom, in canister portion inserted with
The one end of the cylinder body is formed with the gap between the inner peripheral surface and the peripheral surface of the cylinder body of cartridge,
The elastomeric member configuration is between one end of the cylinder body and the bottom of the outer tube, to the one end of the cylinder body
The end face of side applies elastic force,
The containment member configuration passes through the elastic component and the one end side of the cylinder body in the inner circumferential of the outer tube
The inner peripheral surface of end face and the outer tube abuts, to close the gap.
5. friction damper as described in claim 1, which is characterized in that
Have connecting rod guides, which closes the opening portion of the one end side of the cylinder body, and is formed with described in confession
Connecting rod moves back and forth the through-hole inserted freely in the axial direction, and is formed between the through-hole and the peripheral surface of the connecting rod
The gap,
The elastomeric member configuration is from the periphery of the cylinder body connecting rod outstanding, and to the outside of the connecting rod guides
End face apply elastic force,
The containment member configuration passes through the elasticity in the periphery of the connecting rod protruded outward from the connecting rod guides
Component is abutted with the peripheral surface of the end face in the outside of the connecting rod guides and the connecting rod, to close the gap.
6. the friction damper as described in any one of claim 1 to 5, which is characterized in that
The containment member is configured in a manner of being connected to relative on the inclined inclined surface in direction orthogonal with the axial direction.
7. the friction damper as described in any one of claim 1 to 5, which is characterized in that
The elastic component is helical spring,
Have washer of the configuration between the helical spring and the containment member.
8. friction damper as claimed in claim 6, which is characterized in that
The elastic component is helical spring,
Have washer of the configuration between the helical spring and the containment member.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017040202A JP2018146002A (en) | 2017-03-03 | 2017-03-03 | Friction damper |
| JP2017-040202 | 2017-03-03 | ||
| PCT/JP2018/005119 WO2018159296A1 (en) | 2017-03-03 | 2018-02-14 | Friction damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108811507A true CN108811507A (en) | 2018-11-13 |
Family
ID=63370042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880001120.XA Withdrawn CN108811507A (en) | 2017-03-03 | 2018-02-14 | Friction damper |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2018146002A (en) |
| KR (1) | KR20180109967A (en) |
| CN (1) | CN108811507A (en) |
| TW (1) | TW201837337A (en) |
| WO (1) | WO2018159296A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102429385B1 (en) * | 2020-08-24 | 2022-08-03 | 한국교통대학교산학협력단 | Seismic isolator with reinforced vertical damping based on frictional resistance |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59113331A (en) * | 1982-12-20 | 1984-06-30 | Tokai Rubber Ind Ltd | Shaft spring device |
| JP3290912B2 (en) * | 1997-02-25 | 2002-06-10 | 株式会社巴コーポレーション | Energy absorber for structural members |
| JPH11294532A (en) * | 1998-04-03 | 1999-10-29 | Kayaba Ind Co Ltd | Damping device |
| US6702266B1 (en) * | 2002-11-22 | 2004-03-09 | The Gates Corporation | Damping strut |
| JP3126640U (en) * | 2006-08-23 | 2006-11-02 | 水泉 趙 | Vehicle anti-sway assembly structure |
| JP2008221946A (en) * | 2007-03-09 | 2008-09-25 | Toyota Motor Corp | Elastic member |
| JP6358838B2 (en) * | 2014-04-14 | 2018-07-18 | 株式会社ビービーエム | Damping damper for structures |
-
2017
- 2017-03-03 JP JP2017040202A patent/JP2018146002A/en active Pending
-
2018
- 2018-02-14 WO PCT/JP2018/005119 patent/WO2018159296A1/en active Application Filing
- 2018-02-14 KR KR1020187024690A patent/KR20180109967A/en not_active Application Discontinuation
- 2018-02-14 CN CN201880001120.XA patent/CN108811507A/en not_active Withdrawn
- 2018-03-02 TW TW107107076A patent/TW201837337A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| KR20180109967A (en) | 2018-10-08 |
| TW201837337A (en) | 2018-10-16 |
| WO2018159296A1 (en) | 2018-09-07 |
| JP2018146002A (en) | 2018-09-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5206965B2 (en) | Fluid pressure buffer | |
| CN109236930A (en) | Including the bumper assembly with the hydraulic stopper mechanism for stablizing pin | |
| JP2007057088A (en) | Cylinder device | |
| CN106481718B (en) | Damper for motor vehicle | |
| KR20140022145A (en) | Rack-pinion type steering apparatus | |
| CN108811507A (en) | Friction damper | |
| WO2017043547A1 (en) | Sliding bearing | |
| US11434969B2 (en) | Hydraulic damper assembly including an anti-noise member | |
| EP3242053B1 (en) | Suspension apparatus | |
| JP2013155841A (en) | Suspension device and cover member | |
| JPH0512569B2 (en) | ||
| US20060283674A1 (en) | Shock absorber and spring element for a shock absorber | |
| JP2008215588A (en) | Electromagnetic shock absorber | |
| JP6169769B1 (en) | Rebound spring structure | |
| CN106574721A (en) | Sealing structure | |
| JP2007225067A (en) | Oil seal structure of hydraulic shock absorber | |
| US9028152B2 (en) | Diaphragm seal for strut bearing | |
| WO2009116155A1 (en) | Damper | |
| WO2013145261A1 (en) | Damper for vehicle | |
| KR101326958B1 (en) | Dust cover use in a shock absorber | |
| JP4575125B2 (en) | Guide bush structure of hydraulic shock absorber | |
| JP2019086040A (en) | Damper | |
| KR20180065176A (en) | Macpherson strut suspension | |
| JP2005016691A (en) | Oil seal structure of hydraulic damper | |
| WO2020100793A1 (en) | Shock absorber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181113 |
|
| WW01 | Invention patent application withdrawn after publication |