JPS6125561U - internal combustion engine piston - Google Patents

internal combustion engine piston

Info

Publication number
JPS6125561U
JPS6125561U JP10958584U JP10958584U JPS6125561U JP S6125561 U JPS6125561 U JP S6125561U JP 10958584 U JP10958584 U JP 10958584U JP 10958584 U JP10958584 U JP 10958584U JP S6125561 U JPS6125561 U JP S6125561U
Authority
JP
Japan
Prior art keywords
piston
internal combustion
combustion engine
engine piston
pin hole
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
JP10958584U
Other languages
Japanese (ja)
Inventor
眞 飯田
Original Assignee
いすゞ自動車株式会社
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 いすゞ自動車株式会社 filed Critical いすゞ自動車株式会社
Priority to JP10958584U priority Critical patent/JPS6125561U/en
Publication of JPS6125561U publication Critical patent/JPS6125561U/en
Pending legal-status Critical Current

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  • 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) [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図は本考案に係る内燃機関のピストンの好適一実施
例を示す側断面図、第２図は第１図の■−ｎ線位置の矢
視平断面図、第３図は従来のピストンの側断面図、第４
図は内燃機関が高負荷運転されてピストンピンが撓んだ
ときの状態を示す従来のピストンの側断面図、第５図〜
第６図は従来のピストンのピストンピン孔の端部の形状
を示す部分側断面図、第７図は第６図の部分拡大因であ
る。 図中、２１はピストン、２２はピストンヘッド、２５は
コンロツド挿入凹部、２７はピストンピン孔、２８はボ
ス部、３０は溝部である。Fig. 1 is a side sectional view showing a preferred embodiment of a piston for an internal combustion engine according to the present invention, Fig. 2 is a plane sectional view taken along the line ■-n in Fig. 1, and Fig. 3 is a conventional piston. Side sectional view of 4th
The figure is a side sectional view of a conventional piston showing the state when the internal combustion engine is operated under high load and the piston pin is bent.
FIG. 6 is a partial side sectional view showing the shape of the end of the piston pin hole of a conventional piston, and FIG. 7 is a partially enlarged view of FIG. 6. In the figure, 21 is a piston, 22 is a piston head, 25 is a connecting rod insertion recess, 27 is a piston pin hole, 28 is a boss portion, and 30 is a groove portion.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）ピストンのコンロツド挿入凹部に交叉して設けら
れるピストンピン孔のピストンヘッド側を形成するボス
部に、これに弾性変形又は塑性変形を許容させるための
溝部を形成したことを特徴とする内燃機関のピストン。(1) An internal combustion engine characterized in that a groove part for allowing elastic deformation or plastic deformation is formed in the boss part forming the piston head side of the piston pin hole provided to intersect with the connecting rod insertion recess of the piston. engine piston. （２）上記溝部が上記ボス部に上記コンロツド挿入凹部
から径方向外方に且つピストンピン孔に並行になるよう
に設けられた上記実用新案登録請求の範囲第１項記載の
内燃機関のピストン。(2) The piston for an internal combustion engine according to claim 1, wherein the groove portion is provided in the boss portion so as to be radially outward from the connecting rod insertion recess and parallel to the piston pin hole.
JP10958584U 1984-07-21 1984-07-21 internal combustion engine piston Pending JPS6125561U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10958584U JPS6125561U (en) 1984-07-21 1984-07-21 internal combustion engine piston

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10958584U JPS6125561U (en) 1984-07-21 1984-07-21 internal combustion engine piston

Publications (1)

Publication Number Publication Date
JPS6125561U true JPS6125561U (en) 1986-02-15

Family

ID=30668726

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10958584U Pending JPS6125561U (en) 1984-07-21 1984-07-21 internal combustion engine piston

Country Status (1)

Country Link
JP (1) JPS6125561U (en)

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