JPS5998157U - Hydraulic cylinder piston structure - Google Patents
Hydraulic cylinder piston structureInfo
- Publication number
- JPS5998157U JPS5998157U JP19448182U JP19448182U JPS5998157U JP S5998157 U JPS5998157 U JP S5998157U JP 19448182 U JP19448182 U JP 19448182U JP 19448182 U JP19448182 U JP 19448182U JP S5998157 U JPS5998157 U JP S5998157U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- hydraulic cylinder
- cylinder tube
- circumferential surface
- piston structure
- 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
Landscapes
- Actuator (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図イおよび第１図口は従来例の油圧シリンダのピス
トン構造を部分的に示す断面図、第２図 イは本
考案に係る油圧シリンダのピストン構造を部分的に示す
断面図、第２図口はその一部を拡大 ゛して示す断
面図である。
１・・・シリンダチューブ、２・・・ピストンロッド、
３・・・ピストン、４・・・環状溝、５・・・シール部
材、６・・・軸受部材、Ａ・・・一方室、Ｂ・・・他方
室。1A and 1B are cross-sectional views partially showing the piston structure of a conventional hydraulic cylinder; FIG. 2A is a cross-sectional view partially showing the piston structure of a hydraulic cylinder according to the present invention; The figure is a cross-sectional view showing an enlarged part of the figure. 1... Cylinder tube, 2... Piston rod,
3... Piston, 4... Annular groove, 5... Seal member, 6... Bearing member, A... One chamber, B... Other chamber.
Claims (5)
に固着されたピストンによってシリンダチューブ内を一
方室と他方室とに区分してな、る油圧シリンダにおいて
、ピストンのシリンダチューブ側周面の両端部近傍にシ
リンダチュ、−ブ内面に当接されるシール部材をそれぞ
れ設けるとともに、両シール部材間の周面に軸受部材を
設けてなる油圧シリンダのピストン構造。(1) In a hydraulic cylinder in which the inside of the cylinder tube is divided into one chamber and the other chamber by a piston fixed to a piston rod inserted into the cylinder tube, the vicinity of both ends of the circumferential surface of the piston on the cylinder tube side A piston structure for a hydraulic cylinder, in which a seal member is provided in contact with the inner surface of the cylinder tube and the tube, respectively, and a bearing member is provided on the circumferential surface between the two seal members.
の両端部近傍に形成されている環状溝内に装着されてな
る実用新案登録請求の範囲第１項記載の油圧シリンダの
ピストン構造。(2) A piston structure for a hydraulic cylinder according to claim 1, wherein the sealing member is installed in an annular groove formed near both ends of the cylinder tube side peripheral surface of the piston.
の両端部近傍に形成されている環状溝内に配置されたエ
キスパンダリングにシールリングを重積してなる実用新
案登録請求の範囲第１項記載の油圧シリンダのピストン
構造。(3) The seal member is formed by stacking a seal ring on an expander ring disposed in an annular groove formed near both ends of the circumferential surface of the cylinder tube side of the piston.Claim 1 of the Utility Model Registration Claims Piston structure of the hydraulic cylinder described.
の両端部近傍に形成されている環状溝内に尚該溝底面に
対向する切欠きを有するとともに当該溝側壁に向けて突
出する突起を有して配置されたエキスパンダリングに、
ト記溝側壁に対向する切欠きを有したシールリングを重
積してなる実用新案登録請求の範囲第１項記載の油圧シ
リンダのピストン構造。(4) The sealing member has a notch in the annular groove formed near both ends of the circumferential surface of the cylinder tube side of the piston, which faces the bottom surface of the groove, and a protrusion that projects toward the side wall of the groove. The expander ring is placed with
A piston structure for a hydraulic cylinder according to claim 1, which is comprised of stacked seal rings each having a notch facing the side wall of the groove.
溶着等により一体的に固着されてなる実用新案登録請求
の範囲第１項記載の油圧シリンダのピストン構造。(5) A piston structure for a hydraulic cylinder according to claim 1, wherein the bearing member is integrally fixed to the circumferential surface of the piston on the cylinder tube side by welding or the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19448182U JPS5998157U (en) | 1982-12-22 | 1982-12-22 | Hydraulic cylinder piston structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19448182U JPS5998157U (en) | 1982-12-22 | 1982-12-22 | Hydraulic cylinder piston structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5998157U true JPS5998157U (en) | 1984-07-03 |
Family
ID=30418004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19448182U Pending JPS5998157U (en) | 1982-12-22 | 1982-12-22 | Hydraulic cylinder piston structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5998157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011099402A1 (en) * | 2010-02-15 | 2011-08-18 | カヤバ工業株式会社 | Fluid pressure cylinder |
-
1982
- 1982-12-22 JP JP19448182U patent/JPS5998157U/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011099402A1 (en) * | 2010-02-15 | 2011-08-18 | カヤバ工業株式会社 | Fluid pressure cylinder |
| CN102753839A (en) * | 2010-02-15 | 2012-10-24 | 萱场工业株式会社 | Fluid pressure cylinder |
| EP2538090A1 (en) * | 2010-02-15 | 2012-12-26 | Kayaba Industry Co., Ltd. | Fluid pressure cylinder |
| EP2538090A4 (en) * | 2010-02-15 | 2014-03-26 | Kayaba Industry Co Ltd | Fluid pressure cylinder |
| CN102753839B (en) * | 2010-02-15 | 2016-08-03 | Ｋｙｂ株式会社 | Fluid-pressure cylinder |
| US9784291B2 (en) | 2010-02-15 | 2017-10-10 | Kyb Corporation | Fluid pressure cylinder |
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