CN103807345A - Damper - Google Patents
Damper Download PDFInfo
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- CN103807345A CN103807345A CN201310379159.4A CN201310379159A CN103807345A CN 103807345 A CN103807345 A CN 103807345A CN 201310379159 A CN201310379159 A CN 201310379159A CN 103807345 A CN103807345 A CN 103807345A
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- inner tube
- outer tube
- cylindrical shell
- pipe
- tube
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- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
The invention aims to provide a damper which can reduce friction forces applied to a base pipe and an inner pipe. The damper includes an outer pipe (30), an inner pipe (51), and a base pipe (41) which are respectively formed by cylinder bodies, and bearings (8A and 8B) fixed to the inner periphery surface (31) of the outer pipe (30). The inner pipe (51) and the outer pipe (30) can move in the direction of the central axes (3A) of the cylinder bodies of the inner pipe (51) and the outer pipe (30). Oil (vehicle fork oil) is sealed at the inner side of the outer pipe (30). The first end side of the cylinder body of the base pipe (41) is inserted into the inner pipe (51) via the first end opening of the inner pipe (51), the second end of the cylinder body of the base pipe (41) is connected to the cylinder body bottom (39) of the sealed second end of the outer pipe (30) in a manner that the base pipe (41) can move along the direction crossed to the center axis (3A) of the cylinder body of the outer pipe (30).
Description
Technical field
The present invention relates to the vibration damper of a kind of car fork for motorcycle etc.
Background technique
Known a kind of car fork traditionally, this car fork comprises that outer tube, inner tube and the second end place at this car fork are fixed to the seat pipe of the cylindrical shell bottom side of outer tube, described outer tube, inner tube and seat pipe are formed by cylindrical shell respectively, and bearing is fixed to the interior perimeter surface of outer tube, wherein inner tube is inserted in this outer tube through the first end opening outer tube and bearing from its first end opening side, thereby described inner and outer tubes can move up in the side of the central axis of the cylindrical shell along these inner and outer tubes (seeing patent documentation 1(JP-UM-A-S56-98683)).
Reference listing
Patent documentation 1:JP-UM-A-S56-98683
Summary of the invention
But in above-mentioned configuration, that side outer tube, that be attached to axle is the cantilever type around bearing, and therefore easily due to drive input and around bearing deflection.The outer tube of deflection causes the second end of the seat pipe of the cylindrical shell bottom side that is fixed to outer tube to swing.This has adversely increased makes to apply the possibility that the frictional force in present pipe and inner tube increases.
One object of the present invention is to provide a kind of vibration damper that makes it possible to reduce to apply the frictional force in present pipe and inner tube.
A kind of vibration damper according to an aspect of the present invention comprises the outer tube, inner tube and the seat pipe that are formed by cylindrical shell respectively, and is fixed to the bearing of the interior perimeter surface of outer tube.The mode that can move up in the side of the central axis of the cylindrical shell along inner and outer tubes with inner and outer tubes, is inserted into inner tube outer tube through the first end opening of outer tube and bearing from its first end opening side.Oil is encapsulated in outer tube inner side.The first distolateral first end opening passing through in inner tube of the cylindrical shell of seat pipe inserts in inner tube.The mode that can move along the direction of intersecting with the central axis of the cylindrical shell of outer tube with seat pipe, is attached to the second end cylinder body bottom described outer tube, sealing by the second end of the cylindrical shell of seat pipe.Therefore, this vibration damper makes it possible to reduce to apply the frictional force in present pipe and inner tube.
This vibration damper can have configuration like this, the wherein first distolateral enlarged diameter portion that comprises of cylindrical shell of seat pipe, and gap between the interior perimeter surface of the periphery of enlarged diameter portion and inner tube forms and allows generation to prevent the oily passage of the damping force of the motion of inner and outer tubes.This makes it possible to the number of the member that reduces piston portion, and has eliminated the needs that form the annular recess part of ring installation in the outer surface for the enlarged diameter portion of present pipe.Therefore, the cost of piston portion can reduce.Additionally, the oily passage forming makes it possible to produce damping force.
This vibration damper can have configuration like this, the neck ring wherein being formed by cylindrical shell and inner tube are coaxially fixed to interior perimeter surface in the first end opening side of inner tube, this inner tube, and gap between the outer surface of cylindrical shell and the interior perimeter surface of neck ring of seat pipe forms the oily passage of damping force that allows generation to prevent the motion of inner and outer tubes.Therefore the oily passage, forming makes it possible to produce damping force.
Accompanying drawing explanation
Fig. 1 is the cross sectional view of car fork; And
Fig. 2 is near amplification cross sectional view seat pipe and the seat pipe in car fork.
The explanation of reference character
The enlarged diameter portion of 1 pipe
3A central axis
8A and 8B bearing
30 outer tubes
The interior perimeter surface of 31 outer tubes
The first end opening of 32 outer tubes
The second end cylinder body bottom of 39 outer tubes
41 pipes
48 car fork oil (oil)
49 neck rings
51 inner tubes
The first end opening of 52 inner tubes
The interior perimeter surface of 59 inner tubes
A and B limiting channel (oily passage)
Embodiment
To describe the present invention in detail by embodiment below.But the embodiment who is described below is not intended to according to claim restriction the present invention.And, for the solution of the present invention, not require all combinations of the feature of describing in an embodiment.Described combination comprises the layout optionally adopting.
As according to embodiment's vibration damper example, will be described in the car fork 50 in motorcycle based on Fig. 1 and Fig. 2.
As shown in FIG. 1, car fork 50 comprises the outer tube 30, inner tube 51 and the seat pipe 41 that form by for example metal cylinder separately.Inner tube 51 is inserted into this outer tube 30 through the first end opening 32 of outer tubes 30 and bearing 8A and 8B from its first end opening 52 sides, thereby inner tube 51 and outer tube 30 can move up in the side of the central axis 3A of the cylindrical shell along this inner tube 51 and outer tube 30.That is, inner tube 51 and outer tube 30 are coaxially put, thereby the central axis 3A of the cylindrical shell of inner tube 51 is consistent with the central axis 3A of the cylindrical shell of outer tube 30, and this inner tube 51 and outer tube 30 are configured to move up along the side of central axis 3A.
Upper bearing (metal) 8A in Fig. 1 is fixed to the interior perimeter surface 31 of this outer tube 30 near the first end opening 32 of outer tube 30.Lower bearing 8B in Fig. 1 is fixed to this part of the interior perimeter surface 31 of the outer tube 30 of locating than the first end opening 32 of the more close outer tube 30 of first end opening 52 sides (lower end) of inner tube 51 in the time that car fork 50 at utmost extends.In other words,, in the time that car fork 50 at utmost extends, upper bearing (metal) 8A and lower bearing 8B are oriented to and inner tube 51 crossovers.Therefore, the second end cylinder body bottom 39 sides of outer tube 30 are the cantilever types around lower bearing 8B.Therefore, outer tube 30 is easy to owing to driving input around lower bearing 8B deflection.
Therefore, according to this embodiment, the second end of the cylindrical shell of seat pipe 41 is attached to the second end cylinder body bottom 39 of outer tube 30 via attachment device 10, thereby seat pipe 41 can move along the direction of intersecting with the central axis 3A of the cylindrical shell of outer tube 30.Therefore, if outer tube 30 around lower bearing 8B deflection, the second end of seat pipe 41 can move along the direction of intersecting with the central axis 3A of the cylindrical shell of outer tube 30.This makes it possible to reduce because the contact between seat pipe 41 and inner tube 51 is applied to the frictional force in this pipe 41 and inner tube 51.And the central axis of seat pipe 41 is consistent with the central axis of inner tube 51.
The size in the gap between the interior perimeter surface of outer tube 30 and the outer surface of inner tube 51 is confirmed as: even if outer tube 30 also prevents that around lower bearing 8B deflection outer tube 30 and inner tube 51 are in contact with one another.
As shown in FIG. 2, attachment device 10 is formed by the nut type member that comprises female thread portion 11, and fixing bolt 42 is screwed onto on this fixing female thread portion 11.The nut type member that forms attachment device 10 comprises: cylindricality seat pipe supporting part 12, and it is formed on this shape member at the first end place of the direction of the central axis along female thread portion 11 and has the central axis consistent with the central axis of female thread portion 11; Cylindricality assembled portion 13, the cross section (perpendicular to central axis) that it is formed on this member at the second end place of the direction of the central axis along female thread portion 11 and has the shape such as the central axis consistent with the central axis of female thread portion 11 and similar polygonal, circle; With engage recess part 14, by this member, the annular groove in the outer surface of the middle body of the direction of the central axis along female thread portion 11 forms and has a central axis consistent with the central axis of female thread portion 11 for it.
Assembling recess part 15 is so a kind of recess partes, it is formed the cross section (perpendicular to central axis) with the shape such as the central axis consistent with central axis 3A and similar polygonal, circle, and the assembled portion 13 with the attachment device 10 in the cross section of the shapes such as similar polygonal, circle is mounted in this assembling recess part 15.In the second end cylinder body bottom 39 of outer tube 30, assembling recess part 15 at it first end place in the direction along central axis uncovered, and assembling recess part 15 the second end base section in, through hole 37 is uncovered at its first end place.
For example, enlarged diameter portion 1 is formed annularly the extrusion modling of the first end conquassation of the cylindrical shell of the original shape of formation seat pipe 41 etc. by utilizing.For example, the enlarged diameter portion 1 similar annular shaping of enclosing the land as shown in FIG. 2.
For example, anastomosis part 2 is formed annularly the extrusion modling of the second end bending of the cylindrical shell of the original shape of formation seat pipe 41 etc. by utilizing.For example, as shown in FIG. 2, anastomosis part 2 is shaped as the similar annular ring forming by the second end of the inner side reflexed cylindrical shell towards cylindrical shell or by the annular ring forming along the second end of the bending cylindrical shell of direction of central axis that approaches cylindrical shell.
Size relationship between member will be described in based on Fig. 2.
The internal diameter size a3 of the cylindrical shell of the outside dimension a2< inner tube 51 at the first end place of the outside dimension a1< enlarged diameter portion 1 present pipe 41 of the middle body of the cylindrical shell of seat pipe 41.
The internal diameter size b3 at the first end place of internal diameter size b2≤enlarged diameter portion 1 present pipe 41 of the middle body of the cylindrical shell of the internal diameter size b1< seat pipe 41 of the anastomosis part 2 of seat pipe 41.
Form the diameter dimension c3 of the cylindrical shell of the seat pipe supporting part 12 of attachment device 10 with the diameter dimension c2< of the assembled portion 13 of the diameter dimension c1< attachment device 10 of the stylolitic part of the outer surface corresponding with the bottom portion of groove of the joint recess part 14 of attachment device 10.
Form the diameter dimension c2 of the assembled portion 13 of the internal diameter size b1 >=attachment device 10 of the anastomosis part 2 of the diameter dimension c3> seat pipe 41 of the cylindrical shell of the seat pipe supporting part 12 of attachment device 10.
The length d 2 of the joint recess part 14 of the length d 1< attachment device 10 of the anastomosis part 2 of seat pipe 41 in the direction along its central axis in the direction along its central axis.
Therefore, attachment device 10 is inserted in seat pipe 41 through enlarged diameter portion 1 side at the first end place of pipe 41, is managed in 41 thereby first assembled portion 13 sides of this attachment device 10 are inserted into seat.Thereby the assembled portion 13 of attachment device 10 enters into the anastomosis part 2 of seat pipe 41 to be protruded from the second end of this pipe 41.The anastomosis part 2 of seat pipe 41 engages with the recess part 14 that engages of attachment device 10.Then, in the time that the assembled portion 13 of attachment device 10 is assembled in assembling recess part 15, the male thread portion of fixing bolt 42 was inserted the female thread portion 11 of through hole 37 and attachment device 10 and fastened, attachment device 10 is fixed in the assembling recess part 15 of the second end cylinder body bottom 39 of outer tube 30.Therefore, the second end of the cylindrical shell of seat pipe 41 is attached to the second end cylinder body bottom 39 outer tube 30, sealing by attachment device 10, thereby seat pipe 41 can move along the direction of intersecting with the central axis 3A of the cylindrical shell of outer tube 30.; seat pipe 41 is attached to outer tube 30, makes between the outer surface of the seat pipe supporting part 12 of attachment device 10 and the interior perimeter surface of inner tube 51 and has formed the radial direction Mobile base pipe 41 needed gaps along outer tube 30 at the bottom portion of groove that engages recess part 14 of attachment device 10 with managing between the interior perimeter surface of 41 anastomosis part 2.Have polygonal cross-section if assembled portion 13 and assembling recess part 15 are shaped as,, in the time that fixing bolt 42 is secured to the female thread portion 11 of attachment device 10, this assembled portion 13 and assembling recess part 15 play the effect of stopping device.The operation that this makes it possible to carry out easily and reliably the operation of fastening fixing bolt 42 and unclamps fixing bolt 42.And, being released and can sealing fixing bolt 42 in order to make it possible to anti-fixing bolt 42 effectively, packing ring 42a is preferably plugged between the termination of fixing bolt 42 and the bottom surface 38 of tool insert hole 36.
Because seat pipe 41 is attached to the second end cylinder body bottom 39 of outer tube 30 by attachment device 10, so the gap between the outer surface of enlarged diameter portion 1 and the interior perimeter surface 59 of inner tube 51 of this pipe 41 has formed the limiting channel B that serves as oil (car fork oil 48) passage, this limiting channel B allows to produce the damping force of the motion of preventing inner tube 51 and outer tube 30.This gap between the outer surface of enlarged diameter portion 1 and the interior perimeter surface 59 of inner tube 51 of present pipe 41 is for example formed about 0.1mm to 0.15mm.
The neck ring 49 and the inner tube 51 that are formed by cylindrical shell are coaxially fixed to the interior perimeter surface 59 of inner tube 51 in first end opening 52 sides.Gap between the outer surface of cylindrical shell and the interior perimeter surface of neck ring 49 of present pipe 41 forms the limiting channel A that serves as oil (car fork oil 48) passage, and this limiting channel A allows to produce the damping force of the motion of preventing inner tube 51 and outer tube 30.This gap between the outer surface of cylindrical shell and the interior perimeter surface of neck ring 49 of present pipe 41 is for example formed about 0.1mm to 0.15mm.
As shown in FIG. 1, car fork oil (oil) 48 is accommodated in the cylindrical shell of outer tube 30.The inside that is plugged on the cylindrical shell of the inner tube 51 in outer tube 30 form serve as accumulator store chamber 64.Oil level is represented by reference character 48A.
Oil sealing 60 is attached to the internal surface of first end opening 32 sides of outer tube 30.Also be provided with and be covered with dust 61 to prevent that dust etc. from entering the inner side of the cylindrical shell of outer tube 30 from outside.
Lower oil cavitie chamber 62 be formed on the first end opening 52 of inner tube 51 and outer tube 30 between the second end cylinder body bottom 39 in its second cylinder hole on distolateral.The chamber 63 that oils is formed between neck ring 49 and enlarged diameter portion 1.
Therefore,, if each in inner tube 51 and outer tube 30 moves up in the side of the central axis along cylindrical shell (in the time that car fork 50 extends and compresses), produced damping force by the resistance providing in the time that car fork oil 48 is flowed through limiting channel A and B.
When car pitches 50 when compressed, by being provided from lower oil cavitie chamber 62 via the limiting channel A being formed by the gap of managing at the interior perimeter surface of neck ring 49 and seat between 41 outer surface when car fork oil 48, the resistance providing while oiling chamber 63 produces damping force.And, move to from reservoir chamber 64 resistance providing while oiling chamber 63 by the limiting channel B that form via the gap between the outer surface of enlarged diameter portion 1 and the interior perimeter surface 59 of inner tube 51 by present pipe 41 when car fork oil 48 and also produced damping force.
In the time that car fork 50 extends, by when car fork oil 48 resistances that provide in the time that the chamber 63 that oils moves to lower oil cavitie chamber 62 via limiting channel A and by oily 48 resistances that provide in the time that the chamber 63 that oils moves to reservoir chamber 64 via limiting channel B being provided when car and having been produced damping force.
Can also be by using with one of them car forks of above-mentioned car fork 50 forks of the right and left cars as the axle for motorcycle of damping function and using the front suspension that is configured for motorcycle with the car fork of spring suspension function as another car fork wherein.
According to this embodiment, car fork 50 comprises one or more bearing, this bearing is fixed in the time that car fork 50 at utmost extends than that part of the first end opening 32 interior perimeter surface 31 that locate, outer tube 30 of the more close outer tube 30 of first end opening 52 sides (lower end) of inner tube 51, thereby inner tube 51 by described bearing (for example, bearing 8A and 8B) thus support and can move up in the side of the central axis 3A along outer tube 30, and outer tube 30 is for example easy to owing to driving input, around bearing (, lower bearing 8B) deflection.In car fork 50, the second end of the cylindrical shell of seat pipe 41 is attached to the second end cylinder body bottom 39 of outer tube 30 via attachment device 10, thereby this pipe 41 can move along the direction of intersecting with the central axis 3A of the cylindrical shell of outer tube 30.Therefore,, if owing to driving the described seat pipe 41 of input to tilt or described car is pitched 50 deflections, the second end of seat pipe 41 can move along the direction of intersecting with the central axis 3A of the cylindrical shell of outer tube 30.This make it possible to reduce due between seat pipe 41 and inner tube 51 contact and in the frictional force applying in this pipe 41 and this inner tube 51.; car fork 50 makes it possible to reduce by forming contacting and the frictional force that causes between first outer surface of enlarged diameter portion 1 on distolateral limiting channel B, seat pipe 41 and the interior perimeter surface of neck ring 49, and manages contacting and the frictional force that causes between 41 the outer surface of cylindrical shell and the interior perimeter surface of neck ring 49 by being present.And, because thereby being attached to second end cylinder body bottom 39 these pipes 41 of outer tube 30 via attachment device 10, can move along the direction of intersecting with the central axis 3A of the cylindrical shell of outer tube 30 at the second end of the cylindrical shell of seat pipe 41, if so owing to driving described seat pipe 41 inclinations of input or described car to pitch 50 deflections, alignment actions is had an effect to recover seat pipe 41 and is made the central axis of this pipe 41 consistent with the central axis of inner tube 51, therefore maintain annular cast limiting channel A and B in capable of regulating mode around the central axis of seat pipe 41 and the central axis of inner tube 51.This makes it possible to suppress the variation of the damping force of being brought out by limiting channel A and B.If the second end surfaces of anastomosis part 2 that relatively locate with the second end cylinder body bottom 39 of the sealing of outer tube 30, seat pipe 41 is formed curved surface, thereby this curved surface is bent towards the second end cylinder body bottom 39 and protrudes, this seat pipe 41 is more easily around this curved surface rotation.So even the seat pipe 41 of inclination also can move along the radial direction of the cylindrical shell of outer tube 30, thereby make it possible to further reduce the contact frictional force being applied in this pipe 41 and this inner tube 51 due between present pipe 41 and inner tube 51.
And, in car fork 50, do not need to cut the whole interior perimeter surface 31 of outer tube 30 in order to increase degree of accuracy, be mounted to part wherein but only need to cut bearing.This makes it possible to reduce time and efforts and therefore reduces costs.On the other hand, with being arranged in the car fork of the bearing on the outer circumferential side of inner tube 51, bearing need to fully be cut to increase degree of accuracy along the interior perimeter surface of the outer tube of its slip, and the outer surface of this interior perimeter surface also needs to be cut to allow bearing to be secured to this.Compare with the car fork 50 according to this embodiment's configuration, this car is pitched therefore to have increased and is cut the time and efforts needing and need the manufacture cost increasing.
In addition, car fork 50 comprises limiting channel B, this limiting channel B is formed and is not used piston ring by the gap between the outer surface of enlarged diameter portion 1 and the interior perimeter surface of inner tube 51 of the pipe 41 of being present, and this limiting channel B serves as the passage for car fork oil 48 for allowing the damping force that produces the motion of preventing inner tube 51 and outer tube 30.Therefore, thereby compare with the outer surface of this piston ring of piston ring of periphery and the car of the piston portion that the interior perimeter surface of inner tube is slided the towards each other fork that are mounted to this enlarged diameter portion of encirclement in the enlarged diameter portion comprising with present pipe, the number that this embodiment can reduce member reaches the value of the number of components that equals piston portion, and has eliminated in the outer surface of enlarged diameter portion 1 of present pipe 41 and form the needs that piston ring are arranged on to annular recess part wherein.This makes it possible to reduce costs.
Additionally, limiting channel B makes it possible to produce damping force and serves as oily passage to allow the oily port hole of the damping force that produces the motion of preventing inner tube 51 and outer tube 30 without forming in the barrel of present pipe 41.This makes it possible to reduce in the barrel of present pipe 41 and forms the needed time and efforts of oily port hole and therefore reduce costs.
In addition, need to reduce the size in the gap that forms limiting channel B and limiting channel A with the configuration of limiting channel B and limiting channel A.As mentioned above, when car fork 50 is so constructed, outer tube 30 is easy to owing to driving input during around bearing (lower bearing 8B) deflection, if owing to driving the described seat pipe 41 of input to tilt or described car is pitched 50 deflections, can be between the seat pipe outer surfaces 41, enlarged diameter portion 1 that form limiting channel B and the interior perimeter surface 59 of inner tube 51 or forming limiting channel interior perimeter surface A, neck ring 49 and apply strong frictional force with managing between 41 outer surface.Therefore, according to this embodiment, the second end of the cylindrical shell of seat pipe 41 is attached to the second end cylinder body bottom 39 of outer tube 30 via attachment device 10, thereby seat pipe 41 can move along the direction of intersecting with the central axis 3A of the cylindrical shell of outer tube 30 as mentioned above.If owing to driving the described seat pipe 41 of input to tilt or described car is pitched 50 deflections, the second end of seat pipe 41 can move along the direction of intersecting with the central axis 3A of the cylindrical shell of outer tube 30.This makes it possible to reduce the frictional force applying on the parts of limiting channel B and limiting channel A forming.
Describe in an embodiment with two the bearing 8A of interior perimeter surface 31 and the car of the 8B fork 50 that are fixed to outer tube 30.But car fork can comprise a bearing or three above bearings of the interior perimeter surface 31 that is fixed to outer tube 30.
Alternately, car fork 50 piston portions that can comprise with piston ring (not illustrating in the drawings), slide towards each other thereby this piston ring is mounted to the outer surface of periphery piston ring and the interior perimeter surface of inner tube 51 of encirclement enlarged diameter portion 1 in enlarged diameter portion 1.
Alternately, oily port hole can be present in pipe 41 barrel and be formed, thereby plays the effect of the oily passage that allows the damping force that produces the motion of preventing inner tube 51 and outer tube 30.
For example, as shown in FIG. 1, flow into and the oily port hole 45 that flows out the cylindrical shell of seat pipe 41 pipe 41 of can being present forms in its second barrel on distolateral for car fork oil 48, thereby play the effect of oily passage that allows the damping force that produces the motion of preventing inner tube 51 and outer tube 30, and can allow neck ring 49 to play to blockade the effect of the locking neck ring of oily port hole 45.In this case, when car pitches 50 when compressed, blockade the second oily port hole 45 on distolateral of seat pipe 41 of locking neck ring, therefore prevents that the first end of inner tube 51 from colliding towards the second end cylinder body bottom 39 of outer tube 30.
Alternately, flow into and the oily port hole that flows out the cylindrical shell of seat pipe 41 can be present in the barrel of pipe 41 in its first distolateral and second each in distolateral and be formed for car fork oil 48, and can allow neck ring 49 to play the effect of the locking neck ring of these oily port holes of blockading.In this case, when car pitches 50 when compressed, blockade the second oily port hole 45 on distolateral of seat pipe 41 of locking neck ring, therefore prevents that the first end of inner tube 51 from colliding towards the second end cylinder body bottom 39 of outer tube 30.In the time that car fork 50 extends, blockade the first oily port hole (not illustrating in the drawings) on distolateral of seat pipe 41 of locking neck ring, therefore prevents from locking neck ring and collides towards the enlarged diameter portion 1 of seat pipe 41.
Alternately, neck ring 49 can be substituted by valving.
As an example of car fork 50, traditional car fork is described in this embodiment.But embodiments of the invention can be applied to the car fork of turned upside down.
Can be used to the rear suspension in motorcycle or be used as any other vibration damper according to vibration damper of the present invention.
Claims (4)
1. a vibration damper, comprising:
The outer tube, inner tube and the seat that are formed by cylindrical shell are respectively managed, and are fixed to the bearing of the interior perimeter surface of described outer tube,
Wherein, the mode that can move up in the side of the central axis of the described cylindrical shell along described inner tube and described outer tube with described inner tube and described outer tube, described inner tube is inserted into described outer tube through the first end opening of described outer tube and bearing from its first end opening side
Oil is encapsulated in described outer tube inner side, and
The described first end opening of the described inner tube of the first distolateral process of the described cylindrical shell of described seat pipe and being inserted in described inner tube, and the mode that can move along the direction of intersecting with the described central axis of the described cylindrical shell of described outer tube with described seat pipe, is attached to the second end of the described cylindrical shell of described pipe the second end cylinder body bottom of the sealing of described outer tube.
2. vibration damper according to claim 1, wherein
The described first distolateral enlarged diameter portion that comprises of the described cylindrical shell of described seat pipe, and
Gap between the interior perimeter surface of the periphery of described enlarged diameter portion and described inner tube forms oily passage, and this oil passage allows to produce the damping force of the motion of preventing described inner tube and described outer tube.
3. vibration damper according to claim 1, wherein
The neck ring being formed by cylindrical shell and described inner tube are coaxially fixed to interior perimeter surface in the described first end opening side of described inner tube, described inner tube, and
Gap between the outer surface of described cylindrical shell and the interior perimeter surface of described neck ring of described seat pipe forms oily passage, and this oil passage allows to produce the damping force of the motion of preventing described inner tube and described outer tube.
4. vibration damper according to claim 2, wherein
The neck ring being formed by cylindrical shell and described inner tube are coaxially fixed to interior perimeter surface in the described first end opening side of described inner tube, described inner tube, and
Gap between the outer surface of described cylindrical shell and the interior perimeter surface of described neck ring of described seat pipe forms oily passage, and this oil passage allows to produce the damping force of the motion of preventing described inner tube and described outer tube.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012247914A JP5579246B2 (en) | 2012-11-09 | 2012-11-09 | Shock absorber |
| JP2012-247914 | 2012-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103807345A true CN103807345A (en) | 2014-05-21 |
Family
ID=50704569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310379159.4A Pending CN103807345A (en) | 2012-11-09 | 2013-08-27 | Damper |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5579246B2 (en) |
| CN (1) | CN103807345A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5698683U (en) * | 1979-12-27 | 1981-08-04 | ||
| CN1135583A (en) * | 1995-01-25 | 1996-11-13 | 本田技研工业株式会社 | Front fork of two-wheel vehicle |
| CN2283756Y (en) * | 1997-05-01 | 1998-06-10 | *** | Hydraulic buffer vibration-damper |
| JP2000074122A (en) * | 1998-08-31 | 2000-03-07 | Showa Corp | Shock absorber for vehicle |
| JP2002081486A (en) * | 2000-09-05 | 2002-03-22 | Kayaba Ind Co Ltd | Front fork |
| CN2515105Y (en) * | 2001-11-27 | 2002-10-09 | 李耀勇 | Multisection composite bottom barrel of motorcycle front vibration absorber |
| JP2008074122A (en) * | 2006-09-19 | 2008-04-03 | Mazda Motor Corp | Small article storage structure for vehicle seat |
| JP2008281486A (en) * | 2007-05-11 | 2008-11-20 | Toyota Motor Corp | Device and method for detecting fuel deterioration |
| CN201539526U (en) * | 2009-10-19 | 2010-08-04 | 三阳工业股份有限公司 | Shock absorber with flow guiding function |
| CN202132441U (en) * | 2011-06-24 | 2012-02-01 | 浙江强广剑工贸有限公司 | Damping shock absorber |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6144087A (en) * | 1984-08-06 | 1986-03-03 | 株式会社昭和製作所 | Damping-force variable type front fork |
| JPS6357932A (en) * | 1986-08-28 | 1988-03-12 | Kayaba Ind Co Ltd | Hydraulic buffer |
| JPH08226484A (en) * | 1995-02-21 | 1996-09-03 | Showa:Kk | Hydraulic shockabsorber |
-
2012
- 2012-11-09 JP JP2012247914A patent/JP5579246B2/en not_active Expired - Fee Related
-
2013
- 2013-08-27 CN CN201310379159.4A patent/CN103807345A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5698683U (en) * | 1979-12-27 | 1981-08-04 | ||
| CN1135583A (en) * | 1995-01-25 | 1996-11-13 | 本田技研工业株式会社 | Front fork of two-wheel vehicle |
| CN2283756Y (en) * | 1997-05-01 | 1998-06-10 | *** | Hydraulic buffer vibration-damper |
| JP2000074122A (en) * | 1998-08-31 | 2000-03-07 | Showa Corp | Shock absorber for vehicle |
| JP2002081486A (en) * | 2000-09-05 | 2002-03-22 | Kayaba Ind Co Ltd | Front fork |
| CN2515105Y (en) * | 2001-11-27 | 2002-10-09 | 李耀勇 | Multisection composite bottom barrel of motorcycle front vibration absorber |
| JP2008074122A (en) * | 2006-09-19 | 2008-04-03 | Mazda Motor Corp | Small article storage structure for vehicle seat |
| JP2008281486A (en) * | 2007-05-11 | 2008-11-20 | Toyota Motor Corp | Device and method for detecting fuel deterioration |
| CN201539526U (en) * | 2009-10-19 | 2010-08-04 | 三阳工业股份有限公司 | Shock absorber with flow guiding function |
| CN202132441U (en) * | 2011-06-24 | 2012-02-01 | 浙江强广剑工贸有限公司 | Damping shock absorber |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5579246B2 (en) | 2014-08-27 |
| JP2014095447A (en) | 2014-05-22 |
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