JPH02130439U - - Google Patents
Info
- Publication number
- JPH02130439U JPH02130439U JP3967889U JP3967889U JPH02130439U JP H02130439 U JPH02130439 U JP H02130439U JP 3967889 U JP3967889 U JP 3967889U JP 3967889 U JP3967889 U JP 3967889U JP H02130439 U JPH02130439 U JP H02130439U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- passage
- needle valve
- holder
- leaf
- 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.)
- Granted
Links
- 238000013016 damping Methods 0.000 claims description 3
- 239000006096 absorbing agent Substances 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims description 2
Landscapes
- Axle Suspensions And Sidecars For Cycles (AREA)
- Fluid-Damping Devices (AREA)
Description
第１図は本考案に係るバルブの縦断正面図、第
２図は本考案に係る油圧緩衝器の一部縦断正面図
、第３図は減衰力特性を示すグラフ、第４図は従
来のバルブの縦断正面図である。
１５……ダンパ本体、１６……タンク、２１…
…油室、２５……油室、２６，２７……通路、２
８……バルブ、２９……ボデイ、３６……ニード
ルバルブ、３６ａ……基端のフランジ、３８……
リーフバルブ、４１ａ……シート部、４５……バ
ルブホルダー、４６……スプリング、５６……ホ
ルダー。
Fig. 1 is a longitudinal sectional front view of the valve according to the present invention, Fig. 2 is a partial longitudinal sectional front view of the hydraulic shock absorber according to the invention, Fig. 3 is a graph showing damping force characteristics, and Fig. 4 is a conventional valve. FIG. 15...damper body, 16...tank, 21...
...Oil chamber, 25...Oil chamber, 26, 27...Passage, 2
8... Valve, 29... Body, 36... Needle valve, 36a... Base end flange, 38...
Leaf valve, 41a... Seat portion, 45... Valve holder, 46... Spring, 56... Holder.
Claims (1)
通路の途中に減衰力調整用のバルブを設け、前記
バルブのバルブボデイ内に前記通路に接続する二
つの通路を並列に設け、一方の通路にはニードル
バルブが開閉自在に設けられ、他方の通路にはリ
ーフバルブが開閉自在に設けられ、前記ニードル
バルブの基端部とリーフバルブ間にスプリングを
介在させ、当該スプリングはニードルバルブを開
き方向に且つリーフバルブを閉じ方向に付勢し、
ニードルバルブは駆動部材を介して外部から駆動
され、ニードルバルブを駆動して一方の通路の開
口面積を調整すると同時にスプリングを介してリ
ーフバルブに対する負荷を調整する油圧緩衝器に
於て、前記ニードルバルブと駆動部材との間に軸
方向移動自在なホルダーを設け、当該ホルダーに
ニードルバルブの基端を半径方向移動自在に当接
させたことを特徴とする油圧緩衝器の減衰力調整
装置。 A damping force adjustment valve is provided in the middle of a passage connecting the oil chamber of the damper body and the oil chamber of the tank, and two passages connected to the passage are provided in parallel within the valve body of the valve, and one passage is connected to the other passage. is provided with a needle valve that can be opened and closed freely, and a leaf valve is provided in the other passage that can be opened and closed, and a spring is interposed between the base end of the needle valve and the leaf valve, and the spring moves the needle valve in the opening direction. and biasing the leaf valve in the closing direction,
The needle valve is driven from the outside through a driving member, and the needle valve is driven to adjust the opening area of one passage, and at the same time, the load on the leaf valve is adjusted through a spring. 1. A damping force adjustment device for a hydraulic shock absorber, characterized in that a holder that is movable in the axial direction is provided between the drive member and the holder, and the base end of the needle valve is brought into contact with the holder so as to be movable in the radial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3967889U JPH0611389Y2 (en) | 1989-04-04 | 1989-04-04 | Damping force adjusting device for hydraulic shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3967889U JPH0611389Y2 (en) | 1989-04-04 | 1989-04-04 | Damping force adjusting device for hydraulic shock absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02130439U true JPH02130439U (en) | 1990-10-26 |
| JPH0611389Y2 JPH0611389Y2 (en) | 1994-03-23 |
Family
ID=31548801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3967889U Expired - Lifetime JPH0611389Y2 (en) | 1989-04-04 | 1989-04-04 | Damping force adjusting device for hydraulic shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0611389Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011179669A (en) * | 2010-03-04 | 2011-09-15 | Kyb Co Ltd | Hydraulic shock absorber for vehicle |
-
1989
- 1989-04-04 JP JP3967889U patent/JPH0611389Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011179669A (en) * | 2010-03-04 | 2011-09-15 | Kyb Co Ltd | Hydraulic shock absorber for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0611389Y2 (en) | 1994-03-23 |