JPS6429244U

JPS6429244U -

Info

Publication number: JPS6429244U
Application number: JP12313487U
Authority: JP
Priority date: 1987-08-13
Filing date: 1987-08-13
Publication date: 1989-02-21

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図および第２図はこの考案の第１の実施例
を示すもので、第１図はコンプレツシヨンリング
を示す要部の平面図、第２図は第１図の―線
断面図、第３図および第４図は第２の実施例を示
すもので、第３図はコンプレツシヨンリングを示
す要部の平面図、第４図は第３図の―線断面
図、第５図および第６図は第３の実施例を示すも
ので、第５図はコンプレツシヨンリングを示す要
部の平面図、第６図は第５図の―線断面図、
第７図はピストン本体の外観を示す斜視図、第８
図は従来例を示す要部の縦断面図である。１…ピストン本体、１２…取付け溝、１３，１
４…リング、１５…複数リング装着部、１６，２
２，３１…回り止めピン、１７，３３…切欠部（
挿入部）、２１…凹陥部（挿入部）。 Figures 1 and 2 show a first embodiment of this invention; Figure 1 is a plan view of the main parts of the compression ring, Figure 2 is a sectional view taken along the line -- in Figure 1; Figures 3 and 4 show the second embodiment, where Figure 3 is a plan view of the main part showing the compression ring, Figure 4 is a sectional view taken along the line - - in Figure 3, and Figure 5. and Fig. 6 shows the third embodiment, Fig. 5 is a plan view of the main part showing the compression ring, Fig. 6 is a sectional view taken along the line -- in Fig. 5,
Figure 7 is a perspective view showing the appearance of the piston body;
The figure is a vertical cross-sectional view of the main parts of a conventional example. 1...Piston body, 12...Mounting groove, 13,1
4... Ring, 15... Multiple ring attachment part, 16, 2
2, 31... Detent pin, 17, 33... Notch (
insertion part), 21... recessed part (insertion part).

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

ピストン本体外周面の共通のピストンリング取
付け溝内に複数のピストンリングを装着させた複
数リング装着部が形成されたピストン構造におい
て、前記複数リング装着部内の一方のピストンリ
ングに他方のピストンリング側に向けて回り止め
ピンを突設させるとともに、他方のピストンリン
グ側に前記回り止めピンの挿入部を設けたことを
特徴とするピストン構造。 In a piston structure in which a plurality of ring mounting portions are formed in which a plurality of piston rings are mounted in a common piston ring mounting groove on the outer peripheral surface of the piston body, one piston ring in the plurality of ring mounting portions is attached to the other piston ring side. A piston structure characterized in that a locking pin is provided protruding toward the other piston ring, and an insertion portion for the locking pin is provided on the other piston ring side.