JPS5812681U - Hydraulic pump or motor piston - Google Patents

Hydraulic pump or motor piston

Info

Publication number
JPS5812681U
JPS5812681U JP10464081U JP10464081U JPS5812681U JP S5812681 U JPS5812681 U JP S5812681U JP 10464081 U JP10464081 U JP 10464081U JP 10464081 U JP10464081 U JP 10464081U JP S5812681 U JPS5812681 U JP S5812681U
Authority
JP
Japan
Prior art keywords
hydraulic pump
motor piston
pore
piston
motor
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
JP10464081U
Other languages
Japanese (ja)
Inventor
哲夫 川崎
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 JP10464081U priority Critical patent/JPS5812681U/en
Publication of JPS5812681U publication Critical patent/JPS5812681U/en
Pending legal-status Critical Current

Links

Landscapes

  • Reciprocating Pumps (AREA)
  • Hydraulic Motors (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

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

第１図は液圧ポンプの一般的な構造を示した断面図、第
２図は液圧ポンプに使用されるピストンの従来の構造を
示した断面図、第３図は従来のピストンの他の構造を示
した断面図、第４図は従来のピストン、の更に他の構造
を示し、ａは横断面図、ｂはＢ−Ｂ線に沿う断面図、第
５図は本考案に係るピストンの一実施例を示し、ａは横
断面図、ｂはＣ＝Ｃ線に沿う断面図、第６図は本考案の
他の実施例を示しａはＤ−Ｄ線に沿う断面図、ｂはＥ−
Ｅ線に沿う断面図である。 ８・・・中空部、２６・・・ピストン本体、２８・・・
球状頭部、３１・・・細孔、４１・・・充填物、４２・
・・空隙、４４・・・中空、４５・・・凹部。Fig. 1 is a cross-sectional view showing the general structure of a hydraulic pump, Fig. 2 is a cross-sectional view showing the conventional structure of a piston used in a hydraulic pump, and Fig. 3 is a cross-sectional view showing the conventional structure of a piston used in a hydraulic pump. FIG. 4 is a cross-sectional view showing the structure of a conventional piston, and FIG. 4 is a cross-sectional view, b is a cross-sectional view taken along line B-B, and FIG. FIG. 6 shows another embodiment of the present invention, a is a cross-sectional view, b is a cross-sectional view taken along the line C=C, and FIG. 6 is a cross-sectional view taken along the line D-D. −
It is a sectional view along the E line. 8...Hollow part, 26...Piston body, 28...
Spherical head, 31... Pore, 41... Filler, 42.
...Void, 44...Hollow, 45...Recess.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 球状頭部に潤滑油を供給する細孔を有する中空のピスト
ン本体内に、中空の蘭じた空間を持ち外壁に前記細孔に
連通ずる軸方向の凹溝を有する充填物を嵌装して固定し
たことを特徴とする液圧ポンプ或いはモータのピストン
。A hollow piston body having a pore for supplying lubricating oil to the spherical head is fitted with a filler having a hollow space and an axial groove communicating with the pore on the outer wall. A piston of a hydraulic pump or motor, characterized in that it is fixed.
JP10464081U 1981-07-16 1981-07-16 Hydraulic pump or motor piston Pending JPS5812681U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10464081U JPS5812681U (en) 1981-07-16 1981-07-16 Hydraulic pump or motor piston

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10464081U JPS5812681U (en) 1981-07-16 1981-07-16 Hydraulic pump or motor piston

Publications (1)

Publication Number Publication Date
JPS5812681U true JPS5812681U (en) 1983-01-26

Family

ID=29899221

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10464081U Pending JPS5812681U (en) 1981-07-16 1981-07-16 Hydraulic pump or motor piston

Country Status (1)

Country Link
JP (1) JPS5812681U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59158782A (en) * 1983-02-25 1984-09-08 株式会社東芝 Oil pressure device for hydraulic elevator
JPS59212504A (en) * 1983-05-19 1984-12-01 Toshiba Corp Hydraulic apparatus for hydraulic elevator
JP2001330149A (en) * 2000-03-31 2001-11-30 Sauer Danfoss Inc Closed cavity hydraulic piston and method of making it

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59158782A (en) * 1983-02-25 1984-09-08 株式会社東芝 Oil pressure device for hydraulic elevator
JPS59212504A (en) * 1983-05-19 1984-12-01 Toshiba Corp Hydraulic apparatus for hydraulic elevator
JP2001330149A (en) * 2000-03-31 2001-11-30 Sauer Danfoss Inc Closed cavity hydraulic piston and method of making it

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