JPS5921106U - hydraulic jack - Google Patents

hydraulic jack

Info

Publication number
JPS5921106U
JPS5921106U JP11596582U JP11596582U JPS5921106U JP S5921106 U JPS5921106 U JP S5921106U JP 11596582 U JP11596582 U JP 11596582U JP 11596582 U JP11596582 U JP 11596582U JP S5921106 U JPS5921106 U JP S5921106U
Authority
JP
Japan
Prior art keywords
sleeve
hydraulic jack
cylinder
lubricating oil
backing
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
Application number
JP11596582U
Other languages
Japanese (ja)
Inventor
矢田貝　純弘
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP11596582U priority Critical patent/JPS5921106U/en
Publication of JPS5921106U publication Critical patent/JPS5921106U/en
Pending legal-status Critical Current

Links

Landscapes

  • Actuator (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 drawings]

第１図は従来の油圧ジヤツキを示す縦断面図、第２図は
同スリーブの平面図、第３図は第２図の■−■線に沿う
断面図、第４図はこの考案による油圧ジヤツキの一実施
例を示すスリーブの要部縦断面図、第５図は回能の実施
例を示すスリーブの要部縦断面図である。 １・・・・・・シリンダ、２・・・・・・プランジャ、
５・・・・・・スリーブ、６・・・・・・スリーブ受け
ねじ部、７・・・・・・バッキング、８・・・・・・グ
ランドメタル、１６・・・・・・ねじ部、１７・・・・
・・空気抜き孔、２２・・・・・・環状溝、２６゜２７
・・・・・・潤滑油送給孔、２Ｂ・・・・・・潤滑油送
給通路。 なお、図中同一部分または相当部分は同一符号により示
す。　　　□Figure 1 is a longitudinal sectional view of a conventional hydraulic jack, Figure 2 is a plan view of the same sleeve, Figure 3 is a sectional view taken along the line ■-■ in Figure 2, and Figure 4 is a hydraulic jack according to this invention. FIG. 5 is a vertical cross-sectional view of a main part of a sleeve showing an embodiment of the present invention, and FIG. 1...Cylinder, 2...Plunger,
5...Sleeve, 6...Sleeve receiving threaded part, 7...Backing, 8...Gland metal, 16...Threaded part, 17...
...Air vent hole, 22...Annular groove, 26゜27
...... Lubricating oil feed hole, 2B... Lubricating oil feeding passage. In addition, the same parts or corresponding parts in the figures are indicated by the same reference numerals. □

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリダ１の上端部に形成したスリーブ受けねじ部６に、
少なくともバッキング７およびグランドメタル８を組付
けたスリーブ５を、ねじ嵌合させて取付けた油圧ジヤツ
キにおいて、上記スリーブ５に形成した空気抜き孔１７
を部分的に用いて、スリーブ５外からスリーブとシリン
ダとのねじ嵌合部上に形成された環状溝２２に至る潤滑
油送給用通路２８を設けたことを特徴とする油圧ジヤツ
キ。In the sleeve receiving screw part 6 formed at the upper end of the cylinder 1,
In a hydraulic jack in which a sleeve 5 with at least a backing 7 and a gland metal 8 assembled thereon is attached by screw fitting, an air vent hole 17 formed in the sleeve 5 is used.
A hydraulic jack characterized in that a lubricating oil supply passage 28 is provided from the outside of the sleeve 5 to an annular groove 22 formed on a threaded fitting portion between the sleeve and the cylinder by partially using the above.
JP11596582U 1982-07-30 1982-07-30 hydraulic jack Pending JPS5921106U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11596582U JPS5921106U (en) 1982-07-30 1982-07-30 hydraulic jack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11596582U JPS5921106U (en) 1982-07-30 1982-07-30 hydraulic jack

Publications (1)

Publication Number Publication Date
JPS5921106U true JPS5921106U (en) 1984-02-08

Family

ID=30267511

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11596582U Pending JPS5921106U (en) 1982-07-30 1982-07-30 hydraulic jack

Country Status (1)

Country Link
JP (1) JPS5921106U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006194302A (en) * 2005-01-12 2006-07-27 Sr Engineering Co Ltd Cushion pin pressure equalizing cylinder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006194302A (en) * 2005-01-12 2006-07-27 Sr Engineering Co Ltd Cushion pin pressure equalizing cylinder

Similar Documents

Publication Publication Date Title
JPS58149622U (en) bearing device
JPS5921106U (en) hydraulic jack
JPS5827255U (en) wire extension stand
JPS5867115U (en) connecting rod
JPS6019744U (en) Cylinder liner mounting structure
JPS5847486U (en) Bearing press fitting tool
JPS59123642U (en) ceramic piston
JPS5973632U (en) connecting rod
JPS58170394U (en) hydraulic jack
JPS5938479U (en) Support device for display boards, etc.
JPS615346U (en) cylinder liner
JPS60159794U (en) hydraulic jack
JPS59159708U (en) Cylinder lubrication device
JPS58182090U (en) pipe connection device
JPS58120847U (en) piston structure
JPS619171U (en) die casting machine plunger tip
JPS60131649U (en) engine piston cooling system
JPS5973697U (en) Oil bath case drain plug
JPS58111334U (en) piston structure
JPS59151989U (en) toilet floor flange
JPS58192894U (en) Lift cylinder mounting structure in forklift
JPS58160766U (en) Internal grinding tool
JPS58175911U (en) T die thickness adjustment device for extruder
JPS5930841U (en) Elastic ring attachment structure for metal plate cylindrical container
JPS60147737U (en) Piston for 4-stroke engine