JPS63173534U - - Google Patents
Info
- Publication number
- JPS63173534U JPS63173534U JP6658387U JP6658387U JPS63173534U JP S63173534 U JPS63173534 U JP S63173534U JP 6658387 U JP6658387 U JP 6658387U JP 6658387 U JP6658387 U JP 6658387U JP S63173534 U JPS63173534 U JP S63173534U
- Authority
- JP
- Japan
- Prior art keywords
- shock absorber
- piston rod
- rotary valve
- piston
- bypass
- 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
- 239000006096 absorbing agent Substances 0.000 claims description 8
- 230000035939 shock Effects 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
Landscapes
- Fluid-Damping Devices (AREA)
Description
第1図、第2図は本考案の各実施例に係るシヨ
ツクアブソーバの一部縦断正面図、第3図は従来
のシヨツクアブソーバの一部縦断面図である。
1……シリンダ、2……ピストン、2a……伸
バルブ、2b……圧バルブ、3,3′……ピスト
ンロツド、10……伸ポート、11……圧ポート
、17……コントロールロツド、18,18′…
…ガイド、19……ボール、20……油孔、A,
B……油室、R……バイパス。
1 and 2 are partially longitudinal sectional front views of shock absorbers according to embodiments of the present invention, and FIG. 3 is a partially vertical sectional view of a conventional shock absorber. 1... Cylinder, 2... Piston, 2a... Extension valve, 2b... Pressure valve, 3, 3'... Piston rod, 10... Extension port, 11... Pressure port, 17... Control rod, 18 ,18'...
...Guide, 19...Ball, 20...Oil hole, A,
B...Oil chamber, R...Bypass.
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
室を連通する伸ポートと圧ポートを設け、伸ポー
トの口端に伸バルブを、圧ポートの口端に圧バル
ブを開閉自在にそれぞれ設け、更にピストンロツ
ドには二つの油室を連通するバイパスを設け、こ
のバイパス中にロータリバルブを回転自在に挿入
させ、ロータリバルブの回転に応じてバイパスの
流路面積が調整されるシヨツクアブソーバに於て
、前記ロータリバルブはピストンロツド内のガイ
ドを挿通するコントロールロツドと連結され、ガ
イドとロータリバルブ間の空間にコントロールロ
ツドを囲むボールを介装させ、且つロータリバル
ブに設けた油孔を介して前記空間とバイパスとを
連通させたことを特徴とするシヨツクアブソーバ
。 (2) ガイドがピストンロツド内に設けた円筒ブ
ツシユである実用新案登録請求の範囲第1項記載
のシヨツクアブソーバ。 (3) ガイドがピストンロツドの内周に軸方向に
沿つて一体に形成されている実用新案登録請求の
範囲第1項記載のシヨツクアブソーバ。 (4) ボールが複数のスチールボールである実用
新案登録請求の範囲第1項記載のシヨツクアブソ
ーバ。[Claims for Utility Model Registration] (1) A piston rod is movably inserted into the cylinder via a piston, the piston partitions two oil chambers in the cylinder, and the piston has an extension that communicates the two oil chambers. A port and a pressure port are provided, an extension valve is provided at the mouth end of the extension port, and a pressure valve is provided at the mouth end of the pressure port so that the piston rod can be freely opened and closed.Furthermore, a bypass is provided on the piston rod to communicate the two oil chambers, and during this bypass In the shock absorber, a rotary valve is rotatably inserted into the shock absorber, and the flow path area of the bypass is adjusted according to the rotation of the rotary valve, the rotary valve being connected to a control rod that passes through a guide in the piston rod, A shock absorber characterized in that a ball surrounding a control rod is interposed in a space between a guide and a rotary valve, and the space is communicated with a bypass through an oil hole provided in the rotary valve. (2) The shock absorber according to claim 1, wherein the guide is a cylindrical bush provided within the piston rod. (3) The shock absorber according to claim 1, wherein the guide is integrally formed along the inner periphery of the piston rod in the axial direction. (4) The shock absorber according to claim 1, wherein the balls are a plurality of steel balls.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6658387U JPS63173534U (en) | 1987-05-01 | 1987-05-01 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6658387U JPS63173534U (en) | 1987-05-01 | 1987-05-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63173534U true JPS63173534U (en) | 1988-11-10 |
Family
ID=30904724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6658387U Pending JPS63173534U (en) | 1987-05-01 | 1987-05-01 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63173534U (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5947542A (en) * | 1982-09-13 | 1984-03-17 | Atsugi Motor Parts Co Ltd | Hydraulic damper |
JPS611729B2 (en) * | 1981-08-14 | 1986-01-20 | Nippon Denshin Denwa Kk |
-
1987
- 1987-05-01 JP JP6658387U patent/JPS63173534U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS611729B2 (en) * | 1981-08-14 | 1986-01-20 | Nippon Denshin Denwa Kk | |
JPS5947542A (en) * | 1982-09-13 | 1984-03-17 | Atsugi Motor Parts Co Ltd | Hydraulic damper |