JPS58181058U

JPS58181058U - oil ring

Info

Publication number: JPS58181058U
Application number: JP7772382U
Authority: JP
Inventors: 武司土屋
Original assignee: 日本ピストンリング株式会社
Priority date: 1982-05-28
Filing date: 1982-05-28
Publication date: 1983-12-03

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]

第１図、第２図は従来の組合せオイルリングの組付状態
における断面図を示す。第３図は本考案の実施例のオイ
ルリングを組付状態を示す断面図。第４図は本考案の実施例のオイルリング本体を形成する
ための薄い銅帯を示する。第５図は本考案の実施例のオ
イルリングの構成を示す部分斜視図を示す。第６図は本
考案のオイルリングの他の実施例を示す部分斜視図を示
す。第７図は本考案の実施例のオイルリングで本体を鋳
鉄よりなる組付状態における断面図を示す。符号の説明、１・・・・・・オイルリング本体、１２・
・・・・・オイルリング上面、１３・・・・・・オイル
リング下面、１４・・・・・・凹溝、１５・・・・・・
オイル貫通孔、２・・・・・・オイル窓、３・・・・・
・コーイルスプリング−４・・・・・・ピストン、５・
・・・・・シリンダー内壁、６・・・・・・オイル掻き
用溝、７・・・・・・表面処理層。ｉ３　１　　　’ 第３図第５図第６−図FIGS. 1 and 2 are cross-sectional views of a conventional combination oil ring in an assembled state. FIG. 3 is a sectional view showing an assembled state of the oil ring according to the embodiment of the present invention. FIG. 4 shows a thin copper strip for forming the oil ring body of an embodiment of the invention. FIG. 5 shows a partial perspective view showing the structure of an oil ring according to an embodiment of the present invention. FIG. 6 is a partial perspective view showing another embodiment of the oil ring of the present invention. FIG. 7 shows a sectional view of an oil ring according to an embodiment of the present invention in an assembled state, the main body of which is made of cast iron. Explanation of symbols, 1...Oil ring body, 12.
... Oil ring top surface, 13 ... Oil ring bottom surface, 14 ... Concave groove, 15 ......
Oil through hole, 2...Oil window, 3...
・Coil spring-4...Piston, 5-
... Cylinder inner wall, 6 ... Oil scraping groove, 7 ... Surface treatment layer. i3 1 'Figure 3Figure 5Figure 6-Figure

Claims

[Scope of utility model registration request]

(1) In an oil ring that has two contact surfaces that slide on the inner wall of the cylinder, a groove is formed in the circumferential direction on the upper surface of the oil ring body, and small oil through holes are formed evenly in the groove in the axial direction. An oil ring characterized by having:

(2) Utility model registration claim 1, characterized in that in the groove formed in the circumferential direction on the upper surface of the oil ring body, the groove does not reach the abutment part of the oil ring body. Oil ring as described.

(3) In the oil ring main body, a thin copper strip is formed into an M-shaped cross section, and the trough of the M-shape is wound circularly toward the inner periphery, and the bottom part or two slopes forming the trough are formed. An oil ring according to claim 1 of the utility model registration, characterized in that oil windows are provided evenly around the circumference.

(4) In the oil ring body, the oil ring body is made of cast iron and has two contact surfaces that slide on the inner wall of the cylinder, and an oil scraping groove is consistently formed on the outer peripheral surface between the two contact surfaces. 2. The oil ring according to claim 1, wherein the oil ring is provided with oil windows arranged evenly in the circumferential direction for sending oil from the oil scraping groove to the inner circumferential side of the oil ring main body.