JPS5842453U - Hydraulic cylinder sealing device - Google Patents

Hydraulic cylinder sealing device

Info

Publication number
JPS5842453U
JPS5842453U JP1981136380U JP13638081U JPS5842453U JP S5842453 U JPS5842453 U JP S5842453U JP 1981136380 U JP1981136380 U JP 1981136380U JP 13638081 U JP13638081 U JP 13638081U JP S5842453 U JPS5842453 U JP S5842453U
Authority
JP
Japan
Prior art keywords
cylinder
sealing device
hydraulic cylinder
cylinder sealing
ring
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
JP1981136380U
Other languages
Japanese (ja)
Other versions
JPS6137905Y2 (en
Inventor
川口　昭博
Original Assignee
三菱重工業株式会社
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 by 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to JP1981136380U priority Critical patent/JPS5842453U/en
Publication of JPS5842453U publication Critical patent/JPS5842453U/en
Application granted granted Critical
Publication of JPS6137905Y2 publication Critical patent/JPS6137905Y2/ja
Granted legal-status Critical Current

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  • Sealing With Elastic Sealing Lips (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来の油圧シリンダのシール装置の一実施例の
説明図、第２図は第１図のＵパツキンのはみ出しの説明
図、第３図は従来の油圧シリンダのシール装置の他の実
施例の説明図、第４図は第３図のバックアップリングの
はみ出しの説明図、第５図は本考案の油圧シリンダのシ
ール装置の一実施例の説明図、第６図は本考案の一実施
例のし　、パツキンとバックアップリングの詳細説明図
を示す。 １・・・・・・シリンダ内部、２・・・・・・シリンダ
ケーシング、３・・・・・田ツド、４・・・・・・バッ
ファリング、５・・・・・・Ｕパツキン、５１・・・・
・・はみ出し、６・・・・・・ダスト　　　　　　・シ
ール、７・・・・・・空所、１１・・・・・・外部、８
・・川・バックアップリング、８１・・・・・・はみ出
し、９・・・・・・断面　　−霞字状のバックアップリ
ング、９１，９２．９３゜９４・・・・・・バックアッ
プリング９の部分、１０・・・・・・バックアップリン
グとシリンダケースとの隙間。Fig. 1 is an explanatory diagram of one embodiment of the conventional sealing device for a hydraulic cylinder, Fig. 2 is an explanatory diagram of the protrusion of the U-packet in Fig. 1, and Fig. 3 is another embodiment of the conventional sealing device for a hydraulic cylinder. FIG. 4 is an explanatory diagram of the protrusion of the backup ring in FIG. 3, FIG. 5 is an explanatory diagram of an embodiment of the sealing device for a hydraulic cylinder of the present invention, and FIG. 6 is an explanatory diagram of an embodiment of the present invention. As an example, a detailed explanatory diagram of the packing and backup ring is shown. 1... Cylinder inside, 2... Cylinder casing, 3... Tatsudo, 4... Buffering, 5... U packing, 51・・・・・・
...Protrusion, 6...Dust ・Seal, 7...Vacancy, 11...External, 8
・・River・Backup ring, 81・・・・Protrusion, 9・・・・Cross section - Backup ring shaped like a dot, 91, 92.93° 94・・・・Part of backup ring 9 , 10...Gap between backup ring and cylinder case.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダケーシングとロッドとの間でシリンダ内部から
外部に向ってバッファリングとＵパツキン及びバックア
ップリングとダストシールとを順に上記シリンダケーシ
ングに配設されたシール装置において、該Ｕパツキンに
当接するバックアップリングを断面円字状に形成し、同
バックアップリングの上記ロッドの軸線の平行方向のシ
リンダ外部側端部はシリンダケーシングに隙間を有して
同ケーシングに配設されてなることを特徴とする油圧シ
リンダのシール装置。In the sealing device disposed in the cylinder casing, a buffer ring, a U-packet, a backup ring, and a dust seal are arranged in order from the inside of the cylinder to the outside between the cylinder casing and the rod. A seal for a hydraulic cylinder, characterized in that the back-up ring is formed in a circular shape and is disposed in the cylinder casing with a gap formed in the cylinder casing at the outer end of the cylinder in a direction parallel to the axis of the rod of the backup ring. Device.
JP1981136380U 1981-09-16 1981-09-16 Hydraulic cylinder sealing device Granted JPS5842453U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981136380U JPS5842453U (en) 1981-09-16 1981-09-16 Hydraulic cylinder sealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981136380U JPS5842453U (en) 1981-09-16 1981-09-16 Hydraulic cylinder sealing device

Publications (2)

Publication Number Publication Date
JPS5842453U true JPS5842453U (en) 1983-03-22
JPS6137905Y2 JPS6137905Y2 (en) 1986-11-01

Family

ID=29929710

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981136380U Granted JPS5842453U (en) 1981-09-16 1981-09-16 Hydraulic cylinder sealing device

Country Status (1)

Country Link
JP (1) JPS5842453U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6122510A (en) * 1984-07-10 1986-01-31 住友電気工業株式会社 Long lead-sheathed submarine power cable and method of producing same
JPS62297498A (en) * 1986-06-16 1987-12-24 Yasunori Kashio Production of electrode for plating
WO2011024522A1 (en) * 2009-08-28 2011-03-03 イーグル工業株式会社 Contaminant sealing device
CN102066818A (en) * 2009-08-31 2011-05-18 伊格尔工业股份有限公司 Contaminant sealing device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6122510A (en) * 1984-07-10 1986-01-31 住友電気工業株式会社 Long lead-sheathed submarine power cable and method of producing same
JPH0349668B2 (en) * 1984-07-10 1991-07-30 Sumitomo Electric Industries
JPS62297498A (en) * 1986-06-16 1987-12-24 Yasunori Kashio Production of electrode for plating
WO2011024522A1 (en) * 2009-08-28 2011-03-03 イーグル工業株式会社 Contaminant sealing device
CN102272495A (en) * 2009-08-28 2011-12-07 伊格尔工业股份有限公司 Contaminant sealing device
JP5483376B2 (en) * 2009-08-28 2014-05-07 イーグル工業株式会社 Contamination seal device
CN102066818A (en) * 2009-08-31 2011-05-18 伊格尔工业股份有限公司 Contaminant sealing device

Also Published As

Publication number Publication date
JPS6137905Y2 (en) 1986-11-01

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