JPH029305U - - Google Patents

Info

Publication number
JPH029305U
JPH029305U JP1988087187U JP8718788U JPH029305U JP H029305 U JPH029305 U JP H029305U JP 1988087187 U JP1988087187 U JP 1988087187U JP 8718788 U JP8718788 U JP 8718788U JP H029305 U JPH029305 U JP H029305U
Authority
JP
Japan
Prior art keywords
main seal
seal
retracted
cylinder
oil
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
Application number
JP1988087187U
Other languages
Japanese (ja)
Other versions
JPH0729284Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1988087187U priority Critical patent/JPH0729284Y2/en
Publication of JPH029305U publication Critical patent/JPH029305U/ja
Application granted granted Critical
Publication of JPH0729284Y2 publication Critical patent/JPH0729284Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Actuator (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
  • Fluid-Damping Devices (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案の最適な一実施例に係る油圧
シリンダを一部破断して示す正面断面図、第２図
はその要部を拡大して示す部分断面図、第３図は
他の実施例を第２図と同様に示す部分断面図、第
４図は従来例を第１図と同様に示す正面断面図で
ある。 附号の説明、１……シリンダ、２……ピストン
ロツド、３……ベアリング、３ａ……ドレンポー
ト、４……メインシール、７……オイルシール、
１０……フイルタ、Ｒ……油溜室。 Fig. 1 is a partially cutaway front sectional view of a hydraulic cylinder according to an optimal embodiment of this invention, Fig. 2 is a partial sectional view showing an enlarged main part thereof, and Fig. 3 is another embodiment. FIG. 4 is a partial sectional view showing an example similar to FIG. 2, and FIG. 4 is a front sectional view showing a conventional example similar to FIG. Explanation of the attached numbers, 1...Cylinder, 2...Piston rod, 3...Bearing, 3a...Drain port, 4...Main seal, 7...Oil seal,
10...Filter, R...Oil sump chamber.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダ内に出没されるピストンロツドの外周
が上記シリンダの出没端の内周側に配設されたオ
イルシール及びメインシールの各内周に摺接され
てなる油圧シリンダにおいて、上方とされる上記
オイルシールと下方とされる上記メインシールと
の間に油溜室が形成されると共に、上記メインシ
ールをその内周側に介装するベアリングに穿設さ
れてその上流側が上記油溜室に連通するドレンポ
ートの下流側にフイルタが近隣配置されてなるこ
とを特徴とする油圧シリンダ。 In a hydraulic cylinder in which the outer periphery of a piston rod retracted into the cylinder is in sliding contact with the inner periphery of an oil seal and a main seal disposed on the inner periphery side of the retracted and retracted end of the cylinder, the above oil seal is located at the upper side. An oil sump chamber is formed between the main seal and the main seal located below, and a drain is bored in a bearing interposed on the inner peripheral side of the main seal, and the upstream side thereof communicates with the oil sump chamber. A hydraulic cylinder characterized in that a filter is arranged adjacent to the downstream side of a port.
JP1988087187U 1988-06-30 1988-06-30 Hydraulic cylinder Expired - Lifetime JPH0729284Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988087187U JPH0729284Y2 (en) 1988-06-30 1988-06-30 Hydraulic cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988087187U JPH0729284Y2 (en) 1988-06-30 1988-06-30 Hydraulic cylinder

Publications (2)

Publication Number Publication Date
JPH029305U true JPH029305U (en) 1990-01-22
JPH0729284Y2 JPH0729284Y2 (en) 1995-07-05

Family

ID=31311808

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988087187U Expired - Lifetime JPH0729284Y2 (en) 1988-06-30 1988-06-30 Hydraulic cylinder

Country Status (1)

Country Link
JP (1) JPH0729284Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005100812A1 (en) * 2004-03-30 2005-10-27 Aichi Machine Industry Co., Ltd. Dustproof connection structure of rotating shaft

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101335188B1 (en) * 2009-12-18 2013-11-29 현대중공업 주식회사 Aligned Rotary Unit of Pressurized Hydraulic Oil Supply System

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5097760A (en) * 1974-01-07 1975-08-04
JPS56111302U (en) * 1980-01-28 1981-08-28
JPS60159433A (en) * 1984-01-31 1985-08-20 Atsugi Motor Parts Co Ltd Hydraulic damper
JPS6375603U (en) * 1986-11-06 1988-05-20

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5097760A (en) * 1974-01-07 1975-08-04
JPS56111302U (en) * 1980-01-28 1981-08-28
JPS60159433A (en) * 1984-01-31 1985-08-20 Atsugi Motor Parts Co Ltd Hydraulic damper
JPS6375603U (en) * 1986-11-06 1988-05-20

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005100812A1 (en) * 2004-03-30 2005-10-27 Aichi Machine Industry Co., Ltd. Dustproof connection structure of rotating shaft

Also Published As

Publication number Publication date
JPH0729284Y2 (en) 1995-07-05

Similar Documents

Publication Publication Date Title
JPH029305U (en)
JPS63158620U (en)
JPS63141329U (en)
JPH02145308U (en)
JPS62156U (en)
JPH0449682U (en)
JPS6151454U (en)
JPH0444506U (en)
JPH0354213U (en)
JPS62102872U (en)
JPH0378102U (en)
JPS6194602U (en)
JPH03341U (en)
JPS6363558U (en)
JPH0338457U (en)
JPS6243115U (en)
JPH0348181U (en)
JPS646347U (en)
JPH0294908U (en)
JPH01152146U (en)
JPS6158709U (en)
JPH0420868U (en)
JPH01166168U (en)
JPS6240305U (en)
JPH0442248U (en)