JPS59188952U - Engine piston outer surface lubrication device - Google Patents

Engine piston outer surface lubrication device

Info

Publication number
JPS59188952U
JPS59188952U JP8319983U JP8319983U JPS59188952U JP S59188952 U JPS59188952 U JP S59188952U JP 8319983 U JP8319983 U JP 8319983U JP 8319983 U JP8319983 U JP 8319983U JP S59188952 U JPS59188952 U JP S59188952U
Authority
JP
Japan
Prior art keywords
peripheral surface
oil sump
engine piston
axis
pin boss
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
JP8319983U
Other languages
Japanese (ja)
Other versions
JPH0320519Y2 (en
Inventor
中嶋　宏隆
隆司 山本
Original Assignee
株式会社クボタ
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 株式会社クボタ filed Critical 株式会社クボタ
Priority to JP8319983U priority Critical patent/JPS59188952U/en
Publication of JPS59188952U publication Critical patent/JPS59188952U/en
Application granted granted Critical
Publication of JPH0320519Y2 publication Critical patent/JPH0320519Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • 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 the drawing]

図面は本考案の一実施例を示し、第１図はピストンの側
面図、第２図は第１図の■−■線断面図、第３図は第２
図の■−■線断面図、第４図は第１図の■部縦断面図で
あり、第５図は油溜用周溝の展開図、第６図はピストン
の摺動状態を示す概略側面図である。The drawings show one embodiment of the present invention, in which Fig. 1 is a side view of the piston, Fig. 2 is a sectional view taken along the line ■-■ of Fig.
Figure 4 is a vertical cross-sectional view of part ■ in Figure 1, Figure 5 is a developed view of the oil sump circumferential groove, and Figure 6 is a schematic diagram showing the sliding state of the piston. FIG.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ピストン１の筒壁２の中間高さ部の左右両側壁部分２ａ
に左右一対の各ピンボス３を一体形成し、筒壁２のリン
グ部８のランド９に多数の油溜用周溝１２を上下多段に
刻設し、油溜用周溝１２に貯えた潤滑油でピストン１と
シリンダとの摺接面を潤滑するように構成したエンジン
のピストンの外周面潤滑装置において、各油溜用周溝１
２の開口部１３の溝幅Ｗを筒壁２の周面２Ｃ上における
ピンボス３の軸心Ｃに近い左右両側面部分２ａの方がピ
ンボス３の軸心Ｃから遠い前後両側面部分２ｂよりも幅
広くなる寸法に形成し、各油溜用周溝１２の開口部１３
同土間の摺接用突条周面の条幅Ｎを筒壁２の周面２Ｃ上
におけるピンボス軸心Ｃに近い左右側面部分２ａよりも
ピンホス軸心Ｃから遠い前後両側面部分２ｂの方が２ｂ
の方が幅広くなる寸法に形成した事を特徴とするエンジ
ンのピストンの外周面潤滑装置。Left and right side wall portions 2a of the intermediate height portion of the cylinder wall 2 of the piston 1
A pair of left and right pin bosses 3 are integrally formed on the cylindrical wall 2, and a large number of oil sump circumferential grooves 12 are carved in the land 9 of the ring portion 8 of the cylindrical wall 2 in multiple vertical stages, so that lubricating oil stored in the oil sump circumferential grooves 12 is formed. In an engine piston outer circumferential surface lubricating device configured to lubricate the sliding surface between the piston 1 and the cylinder, each oil sump circumferential groove 1
The groove width W of the opening 13 of 2 is set on the peripheral surface 2C of the cylinder wall 2 on both left and right side portions 2a that are closer to the axis C of the pin boss 3 than on both front and rear side portions 2b that are farther from the axis C of the pin boss 3. The opening 13 of each oil sump circumferential groove 12 is formed to have a wider dimension.
The width N of the peripheral surface of the protrusion for sliding contact with the same dirt floor is 2b on both front and rear side surfaces 2b farther from the pin boss axis C than on the left and right side surfaces 2a closer to the pin boss axis C on the peripheral surface 2C of the cylinder wall 2.
A lubricating device for the outer peripheral surface of an engine piston, characterized in that the outer peripheral surface of an engine piston is formed to have a wider dimension.
JP8319983U 1983-05-31 1983-05-31 Engine piston outer surface lubrication device Granted JPS59188952U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8319983U JPS59188952U (en) 1983-05-31 1983-05-31 Engine piston outer surface lubrication device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8319983U JPS59188952U (en) 1983-05-31 1983-05-31 Engine piston outer surface lubrication device

Publications (2)

Publication Number Publication Date
JPS59188952U true JPS59188952U (en) 1984-12-14
JPH0320519Y2 JPH0320519Y2 (en) 1991-05-02

Family

ID=30213158

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8319983U Granted JPS59188952U (en) 1983-05-31 1983-05-31 Engine piston outer surface lubrication device

Country Status (1)

Country Link
JP (1) JPS59188952U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01131848U (en) * 1988-03-04 1989-09-07

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5156408U (en) * 1974-10-30 1976-05-01
JPS5234493U (en) * 1975-09-03 1977-03-11
JPS5239012A (en) * 1975-09-18 1977-03-26 Mahle Gmbh Piston for internal combustion engine
JPS5338008U (en) * 1976-09-08 1978-04-03

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5156408U (en) * 1974-10-30 1976-05-01
JPS5234493U (en) * 1975-09-03 1977-03-11
JPS5239012A (en) * 1975-09-18 1977-03-26 Mahle Gmbh Piston for internal combustion engine
JPS5338008U (en) * 1976-09-08 1978-04-03

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01131848U (en) * 1988-03-04 1989-09-07

Also Published As

Publication number Publication date
JPH0320519Y2 (en) 1991-05-02

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