JPH031243U

JPH031243U -

Info

Publication number: JPH031243U
Application number: JP6089489U
Authority: JP
Priority date: 1989-05-29
Filing date: 1989-05-29
Publication date: 1991-01-09
Anticipated expiration: 2004-05-29
Also published as: JPH088292Y2

Description

[Brief explanation of drawings]

第１はこの考案によるピストンリングの実施例
を示す平面図、第２図は第１図のピストンリング
の一実施例を示す断面図、第３図は第２図のピス
トンリングの使用状態を示す断面図、第４図は第
１図のピストンリングの別の実施例を示す断面図
、第５図は第４図のピストンリングの使用状態を
示す断面図、第６図はこの考案によるピストンリ
ングの使用状態で合い口の反対側の部分に掛かる
応力分布を示す説明図、第７図はピストンリング
の使用状態で掛かる応力分布の別の例を示す説明
図、第８図は従来の基本的なピストンリングを示
す平面図、第９図は第８図のピストンリングの断
面図、第１０図は従来の基本的なピストンリング
の応力分布を示す説明図、及び第１１図は第１０
図のピストンリングの合い口の反対側の部分に掛
かる応力分布を示す説明図である。１……外周リング部分、２……内周リング部分
、３……合い口、４……外周面、５……境界面、
６，７……上下面、８，１１……係止凸部、９，
１２……係止凹部、１０……シリンダのライナ、
１３……内周面、Ｂ……リングの幅、Ｃ……合い
口すきま、Ｄ……呼び径、Ｌ……自由合い口すき
ま、Ｔ……リングの厚さ。 1 is a plan view showing an embodiment of the piston ring according to this invention, FIG. 2 is a sectional view showing an embodiment of the piston ring of FIG. 1, and FIG. 3 is a view showing the piston ring of FIG. 2 in use. 4 is a sectional view showing another embodiment of the piston ring in FIG. 1, FIG. 5 is a sectional view showing the piston ring in FIG. 4 in use, and FIG. 6 is a piston ring according to this invention. Figure 7 is an explanatory diagram showing another example of the stress distribution applied to the piston ring when it is in use, and Figure 8 is the conventional basic FIG. 9 is a cross-sectional view of the piston ring shown in FIG. 8, FIG. 10 is an explanatory diagram showing the stress distribution of a conventional basic piston ring, and FIG.
It is an explanatory view showing stress distribution applied to a portion of the piston ring on the opposite side of the abutment in the figure. 1...Outer ring part, 2...Inner ring part, 3...Abutment, 4...Outer circumference surface, 5...Boundary surface,
6, 7... Upper and lower surfaces, 8, 11... Locking convex portion, 9,
12... Locking recess, 10... Cylinder liner,
13...Inner peripheral surface, B...Ring width, C...Abutment clearance, D...Nominal diameter, L...Free abutment clearance, T...Ring thickness.

Claims

[Scope of utility model registration request]

A thin ceramic outer ring portion whose outer peripheral surface is a sliding surface and which has a locking projection on its inner peripheral surface, and the outer ring portion slides relative to the locking projection in the circumferential direction in close contact with the locking projection. A piston ring that has a locking recess on its outer peripheral surface that can be locked, and a metal inner ring portion that fits in contact with a ring groove of a piston to form upper and lower surfaces.