JPS60124553U

JPS60124553U - Piston for internal combustion engine

Info

Publication number: JPS60124553U
Application number: JP1156384U
Authority: JP
Inventors: 神田　睦美; 清中西; 宗一松下; 別所　博則; 広岡　昭彦
Original assignee: トヨタ自動車株式会社
Priority date: 1984-01-30
Filing date: 1984-01-30
Publication date: 1985-08-22
Also published as: JPH0324860Y2

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

[Brief explanation of drawings]

７　　　　　第１図は本考案による内燃機関用ピストン
の一つの実施例を示す縦断面図、第２図は第１図の線■
−Ｈに沿う断面図、第３図は第１図の線■−■に沿う断
面図、第４図は第１図乃至第３図に示された本考案によ
る内燃機関用ピストンに組込まれる油溜り構成部材の斜
視図である。１・・・・・・ピストン本体、１ａ・・・・・・内周面
、２・・・・・・周壁部、３・・・・・・頂壁部、３ａ
・・・・・・天井面、４・・・・・・ボス部、５・・・
・・・ピストンピン孔、６・・・・・・ピストンリング
溝、７・・・・・・オイルリング溝、８・・・・・・ス
リット孔、９・・・・・・段付部、９ａ・・・・・・筒
状係合部、９ｂ・・・・・・環状端面、１０・・・・・
・油溜り構成部材、１１・・・・・・油溜り窪み、１２
・・・・・・棚板部、１２ａ・・・・・・外周縁、１３
・・・・・・脚片部、１４・・・・・・脚片部、１５・
・・・・・張出し筒状部、１６・・・・・・孔、１７・
・・・・・間隙、１８・・・・・・開口。7 Figure 1 is a longitudinal cross-sectional view showing one embodiment of the piston for internal combustion engines according to the present invention, and Figure 2 is a vertical cross-sectional view showing one embodiment of the piston for an internal combustion engine according to the present invention.
-H, FIG. 3 is a sectional view taken along the line ■-■ in FIG. FIG. 3 is a perspective view of a reservoir component. DESCRIPTION OF SYMBOLS 1... Piston body, 1a... Inner peripheral surface, 2... Surrounding wall part, 3... Top wall part, 3a
...Ceiling surface, 4...Boss part, 5...
... Piston pin hole, 6 ... Piston ring groove, 7 ... Oil ring groove, 8 ... Slit hole, 9 ... Stepped part, 9a... Cylindrical engaging portion, 9b... Annular end surface, 10...
・Oil sump component, 11...Oil sump recess, 12
... Shelf board part, 12a ... Outer periphery, 13
... Leg piece, 14... Leg piece, 15.
...Protruding cylindrical part, 16... Hole, 17.
...Gap, 18...Opening.

Claims

[Scope of utility model registration request]

a cup-shaped piston body having a top wall at one end; and an oil reservoir component provided in an inner space of the piston body and comprising a shelf plate forming an oil reservoir on the side of the top wall. , an internal combustion engine characterized in that the shelf plate portion is configured to form a gap between an outer peripheral edge and an inner peripheral surface of the piston body opposing thereto over substantially the entire circumference thereof. piston for.