JPS6345435U - - Google Patents
Info
- Publication number
- JPS6345435U JPS6345435U JP13959586U JP13959586U JPS6345435U JP S6345435 U JPS6345435 U JP S6345435U JP 13959586 U JP13959586 U JP 13959586U JP 13959586 U JP13959586 U JP 13959586U JP S6345435 U JPS6345435 U JP S6345435U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- bypass
- valve
- shock absorber
- damping force
- 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
- 239000006096 absorbing agent Substances 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 5
- 230000035939 shock Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fluid-Damping Devices (AREA)
Description
第１図は本考案の一実施例に係る油圧緩衝器の
一部縦断正面図、第２図は第１図のピストン部の
拡大断面図、第３図はバルブ部の回路図、第４図
は圧力―流量特性を示すグラフ、第５図は減衰力
特性を示すグラフ、第６図は従来の油圧緩衝器の
一部縦断正面図、第７図は従来の減衰力特性を示
すグラフである。
１７……シリンダ、１８……ピストン、１９…
…ピストンロツド、２１，２２……油室、３６…
…ポート、２９……第２のリーフバルブ、３１…
…第１のリーフバルブ、３６ａ……バイパス、３
９……ロータリーバルブ、５０……デイスク。
Fig. 1 is a partially vertical front view of a hydraulic shock absorber according to an embodiment of the present invention, Fig. 2 is an enlarged sectional view of the piston section of Fig. 1, Fig. 3 is a circuit diagram of the valve section, and Fig. 4 is a graph showing the pressure-flow characteristics, Fig. 5 is a graph showing the damping force characteristics, Fig. 6 is a partially longitudinal front view of a conventional hydraulic shock absorber, and Fig. 7 is a graph showing the conventional damping force characteristics. . 17...Cylinder, 18...Piston, 19...
...Piston rod, 21, 22...Oil chamber, 36...
...Port, 29...Second leaf valve, 31...
...first leaf valve, 36a...bypass, 3
9...Rotary valve, 50...Disc.
Claims (1)
ツドが移動自在に挿入され、ピストンはシリンダ
内に上下二つの油室を区画し、ピストンには二つ
の油室を連通するポートを形成し、このポートの
上部口端には第１のリーフバルブが開閉自在に設
けられ、更にピストンロツドにはピストン上方に
デイスクを設け、このデイスクとピストンロツド
には上下油室を連通するバイパスを設け、このバ
イパスの上部油室側口端に第２のリーフバルブを
開閉自在に設け、バイパス内には当該バイパスの
開口面積を調整するバルブを設けたことを特徴と
する油圧緩衝器の減衰力調整装置。 (2) 第１、第２のリーフバルブは油圧共用のバ
ルブである実用新案登録請求の範囲第１項記載の
油圧緩衝器の減衰力調整装置。 (3) 開口面積を調整するバルブが可変ポートを
設けたロータリバルブである実用新案登録請求の
範囲第１項記載の油圧緩衝器の減衰力調整装置。[Claims for Utility Model Registration] (1) A piston rod is movably inserted into the cylinder via a piston, the piston defines two upper and lower oil chambers in the cylinder, and the two oil chambers communicate with the piston. A first leaf valve is provided at the upper end of the port so that it can be opened and closed, and the piston rod is provided with a disk above the piston, and a bypass is provided between the disk and the piston rod to communicate the upper and lower oil chambers. A damping force of a hydraulic shock absorber, characterized in that a second leaf valve is provided at the upper oil chamber side mouth end of the bypass so as to be openable and closable, and a valve for adjusting the opening area of the bypass is provided in the bypass. Adjustment device. (2) The damping force adjusting device for a hydraulic shock absorber according to claim 1, wherein the first and second leaf valves are hydraulic valves. (3) The damping force adjusting device for a hydraulic shock absorber according to claim 1, wherein the valve for adjusting the opening area is a rotary valve provided with a variable port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986139595U JPH0424196Y2 (en) | 1986-09-11 | 1986-09-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986139595U JPH0424196Y2 (en) | 1986-09-11 | 1986-09-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6345435U true JPS6345435U (en) | 1988-03-26 |
| JPH0424196Y2 JPH0424196Y2 (en) | 1992-06-08 |
Family
ID=31045648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986139595U Expired JPH0424196Y2 (en) | 1986-09-11 | 1986-09-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0424196Y2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50153384U (en) * | 1974-06-08 | 1975-12-19 | ||
| JPS58127236U (en) * | 1982-02-22 | 1983-08-29 | 株式会社昭和製作所 | Damping force adjustable hydraulic shock absorber |
| JPS60102536U (en) * | 1983-12-19 | 1985-07-12 | トキコ株式会社 | Damping force adjustable shock absorber |
| JPS61156743U (en) * | 1985-03-22 | 1986-09-29 |
-
1986
- 1986-09-11 JP JP1986139595U patent/JPH0424196Y2/ja not_active Expired
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50153384U (en) * | 1974-06-08 | 1975-12-19 | ||
| JPS58127236U (en) * | 1982-02-22 | 1983-08-29 | 株式会社昭和製作所 | Damping force adjustable hydraulic shock absorber |
| JPS60102536U (en) * | 1983-12-19 | 1985-07-12 | トキコ株式会社 | Damping force adjustable shock absorber |
| JPS61156743U (en) * | 1985-03-22 | 1986-09-29 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0424196Y2 (en) | 1992-06-08 |
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