JPH03108944U - - Google Patents
Info
- Publication number
- JPH03108944U JPH03108944U JP1811090U JP1811090U JPH03108944U JP H03108944 U JPH03108944 U JP H03108944U JP 1811090 U JP1811090 U JP 1811090U JP 1811090 U JP1811090 U JP 1811090U JP H03108944 U JPH03108944 U JP H03108944U
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- damping force
- pressure
- generating means
- variable
- 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.)
- Pending
Links
- 238000013016 damping Methods 0.000 claims description 17
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 2
- 239000007788 liquid Substances 0.000 claims 1
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Fluid-Damping Devices (AREA)
Description
第１図は本考案一実施例の減衰力可変型液圧緩
衝器の要部を示す断面図、第２図イ，ロは実施例
の圧側調整子部分を示す説明図、第３図は実施例
のオリフイス開度による振動周波数に対する減衰
力特性図、第４図は周波数によるピストン速度−
減衰力特性図、第５図ａ，ｂは圧側調整子の変形
例を示す説明図である。
Ａ……上部室、Ｂ……下部室、Ｃ……伸側受圧
室、Ｄ……圧側受圧室、２……ピストン（バルブ
ボデイ）、８……第２圧側チエツクプレート（減
衰力発生手段）、１０……圧側減衰バルブ（減衰
力発生手段）、１１……伸側減衰バルブ（減衰力
発生手段）、１３……第２伸側チエツクプレート
（減衰力発生手段）、１９……スプール、２６…
…伸側の可変オリフイス、２７……圧側の可変オ
リフイス、３０……圧側可変絞り（減衰力発生手
段）、３１……伸側可変絞り（減衰力発生手段）
、２２，２３……センタリングスプリング（付勢
手段）。
Fig. 1 is a sectional view showing the main parts of a variable damping force type hydraulic shock absorber according to an embodiment of the present invention, Fig. 2 A and B are explanatory diagrams showing the pressure side adjuster portion of the embodiment, and Fig. 3 is an explanatory diagram showing an embodiment of the damping force variable hydraulic shock absorber. Damping force characteristic diagram with respect to vibration frequency depending on the orifice opening degree as an example, Figure 4 shows the piston speed depending on the frequency -
The damping force characteristic diagrams in FIGS. 5a and 5b are explanatory diagrams showing a modification of the compression side adjuster. A... Upper chamber, B... Lower chamber, C... Rebound side pressure receiving chamber, D... Compression side pressure receiving chamber, 2... Piston (valve body), 8... Second pressure side check plate (damping force generating means), 10... Compression side damping valve (damping force generating means), 11... Rebound side damping valve (damping force generating means), 13... Second rebound side check plate (damping force generating means), 19... Spool, 26...
...Variable orifice on the expansion side, 27...Variable orifice on the compression side, 30...Variable compression side throttle (damping force generation means), 31...Variable throttle on the expansion side (damping force generation means)
, 22, 23...centering spring (biasing means).
Claims (1)
に画成して設けられたバルブボデイと、 画成された２室間における流体の流通に基づき
減衰力を発生する減衰力発生手段と、 該減衰力発生手段による減衰力特性を移動量に
応じて変更可能なスプールと、 該スプールの一端面側に一方の室に連通されて
形成され、スプールの移動方向に液圧を与える受
圧室と、 前記スプールを、受圧方向とは逆方向に付勢す
る付勢手段と、 前記受圧室と一方の室とを連通する連通路の途
中に設けられ、外部操作により開口面積を変更可
能な可変オリフイスと、 を備えていることを特徴とする減衰力可変型液圧
緩衝器。[Claims for Utility Model Registration] A valve body provided with a chamber filled with fluid divided into a first chamber and a second chamber, and damping based on the flow of fluid between the two defined chambers. a damping force generating means for generating force; a spool capable of changing the damping force characteristics of the damping force generating means according to the amount of movement; A pressure-receiving chamber that applies liquid pressure in the moving direction; a biasing means that biases the spool in a direction opposite to the pressure-receiving direction; and a communication path that communicates the pressure-receiving chamber with one of the chambers, and is provided in the middle of a communication path that communicates with the other chamber, and A variable damping force type hydraulic shock absorber comprising: a variable orifice whose opening area can be changed by operation;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1811090U JPH03108944U (en) | 1990-02-23 | 1990-02-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1811090U JPH03108944U (en) | 1990-02-23 | 1990-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03108944U true JPH03108944U (en) | 1991-11-08 |
Family
ID=31521286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1811090U Pending JPH03108944U (en) | 1990-02-23 | 1990-02-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03108944U (en) |
-
1990
- 1990-02-23 JP JP1811090U patent/JPH03108944U/ja active Pending
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