JPH0211201U - - Google Patents
Info
- Publication number
- JPH0211201U JPH0211201U JP8884688U JP8884688U JPH0211201U JP H0211201 U JPH0211201 U JP H0211201U JP 8884688 U JP8884688 U JP 8884688U JP 8884688 U JP8884688 U JP 8884688U JP H0211201 U JPH0211201 U JP H0211201U
- Authority
- JP
- Japan
- Prior art keywords
- spring
- piston
- cylinder
- pressure receiving
- oil passage
- 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
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Description
第１図は本考案の一実施例を示す異径ピストン
を用いたサージ吸収装置を備えたパワーステアリ
ング装置の油圧系統図、第２図は本考案の一実施
例を示す異径ピストンを用いたサージ吸収装置の
断面図、第３図は不等ピツチコイルばねの一例を
示す側面図である。
１……パワーステアリング装置、３……ベーン
ポンプ（油圧源）、２５……高圧油管、３０……
サージ吸収装置、３１……主管路部（油路）、３
２……ハウジング、３３……異径ピストン、３４
……ばね、３６……シリンダ小径部、３７……シ
リンダ大径部、３８……蓋（端壁）、４１……受
圧部、４３……ばね座、４４……油室。
Fig. 1 is a hydraulic system diagram of a power steering device equipped with a surge absorption device using pistons with different diameters, which shows an embodiment of the present invention, and Fig. 2 shows an embodiment of the present invention, which uses pistons with different diameters. FIG. 3 is a sectional view of the surge absorbing device and a side view showing an example of an unequal pitch coil spring. 1... Power steering device, 3... Vane pump (hydraulic source), 25... High pressure oil pipe, 30...
Surge absorption device, 31... Main pipe line section (oil line), 3
2...Housing, 33...Different diameter piston, 34
... Spring, 36 ... Cylinder small diameter part, 37 ... Cylinder large diameter part, 38 ... Lid (end wall), 41 ... Pressure receiving part, 43 ... Spring seat, 44 ... Oil chamber.
Claims (1)
小径部とこの小径部と同心状に配置されたシリン
ダ大径部とを有し、上記シリンダ小径部の外側に
軸線方向に摺動自在に嵌合させられかつ一端側が
閉じた円筒状をなしていてしかも上記油路の油圧
を受ける受圧部およびこの受圧部よりも大径なば
ね座を有する異径ピストンと、この異径ピストン
の他端側に位置する上記ばね座と上記シリンダ大
径部の端壁との間に圧縮された状態で介在させら
れて上記受圧部を上記油路側に押圧するばねとを
具備し、上記ばねの内側に上記異径ピストンおよ
び上記シリンダ小径部が同心状に設けられている
ことを特徴とする異径ピストンを用いた油圧サー
ジ吸収装置。 (2) 前記ばねが不等ピツチコイルばねである請
求項１記載の異径ピストンを用いた油圧サージ吸
収装置。[Scope of Claim for Utility Model Registration] (1) A cylinder having a small diameter part communicating with an oil passage on the discharge side of a hydraulic power source and a cylinder large diameter part disposed concentrically with this small diameter part, A piston of different diameters, which is fitted on the outside so as to be slidable in the axial direction and has a cylindrical shape with one end closed, and has a pressure receiving part that receives the oil pressure of the oil passage and a spring seat having a larger diameter than the pressure receiving part. and a spring which is interposed in a compressed state between the spring seat located on the other end side of the different diameter piston and the end wall of the large diameter portion of the cylinder and presses the pressure receiving portion toward the oil passage side. A hydraulic surge absorption device using a different diameter piston, characterized in that the different diameter piston and the cylinder small diameter portion are provided concentrically inside the spring. (2) A hydraulic surge absorbing device using a piston of different diameters according to claim 1, wherein the spring is an unequal pitch coil spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988088846U JPH0627841Y2 (en) | 1988-07-04 | 1988-07-04 | Hydraulic surge absorber with piston outside cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988088846U JPH0627841Y2 (en) | 1988-07-04 | 1988-07-04 | Hydraulic surge absorber with piston outside cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0211201U true JPH0211201U (en) | 1990-01-24 |
| JPH0627841Y2 JPH0627841Y2 (en) | 1994-07-27 |
Family
ID=31313403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988088846U Expired - Lifetime JPH0627841Y2 (en) | 1988-07-04 | 1988-07-04 | Hydraulic surge absorber with piston outside cylinder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0627841Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55140101U (en) * | 1979-03-28 | 1980-10-06 | ||
| JPS6014946A (en) * | 1983-07-05 | 1985-01-25 | 井関農機株式会社 | Rotary sorting dehulling machine |
| JPS6015504A (en) * | 1983-07-07 | 1985-01-26 | Mitsubishi Rayon Co Ltd | Automatic inspection of photo-mask |
-
1988
- 1988-07-04 JP JP1988088846U patent/JPH0627841Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55140101U (en) * | 1979-03-28 | 1980-10-06 | ||
| JPS6014946A (en) * | 1983-07-05 | 1985-01-25 | 井関農機株式会社 | Rotary sorting dehulling machine |
| JPS6015504A (en) * | 1983-07-07 | 1985-01-26 | Mitsubishi Rayon Co Ltd | Automatic inspection of photo-mask |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0627841Y2 (en) | 1994-07-27 |
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