JPS648553U - - Google Patents

Description

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

第１図 本考案の２段バレルフエーストツプリ
ングの断面図、第２図 エンジン内で形成された
バレルフエース形状と製造工程によるバレルフエ
ース形状との比較を示すリングの断面図、第３図
下り量の大きいバレルフエース形状を示すリン
グの断面図、第４図 下り量の小さいバレルフエ
ース形状を示すリングの断面図、第５図 下り量
の適正なバレルフエース形状を示すリングの断面
図、第６図 オイル消費増大のメカニズムを示す
図。解説明図、Ａバレルフエースの下り量小の場
合、Ｂバレルフエースの下り量適正の場合。 Figure 1: Cross-sectional view of the two-stage barrel face stop ring of the present invention; Figure 2: Cross-sectional view of the ring showing a comparison between the barrel face shape formed in the engine and the barrel face shape formed during the manufacturing process; Figure 3: Downward amount. A sectional view of a ring showing a barrel face shape with a large amount of descent, Fig. 4 A sectional view of a ring showing a barrel face shape with a small amount of descent, Fig. 5 A sectional view of a ring showing a barrel face shape with an appropriate amount of descent, Fig. 6 A diagram showing the mechanism of increased oil consumption. Explanation diagram: When the amount of descent of the A barrel face is small, and when the amount of descent of the B barrel face is appropriate.

Claims (1)

【実用新案登録請求の範囲】 (1) 内燃機関用バレルフエーストツプリングに
おいて、外周摺動面の軸中央部分Ａのバレルフエ
ース面の下り量Ｃ１は小さく、上下端面部のバレ
ルフエース面の下り量Ｃ２が大きく形成された２
段のバレルフエース面からなり、且つ２段のバレ
ルフエース面が円滑に連なつていることを特徴と
する２段バレルフエーストツプリング。 (2) 外周摺動面のバレルフエース面の軸中央部
からの下り量Ｃ１及び上下端面の下り量Ｃ２がリ
ング巾Ｂに対して、リングの巾寸法Ｂが１．５mm
以下の場合下り量Ｃ１が０．１〜０．４％、下り
量Ｃ２が０．５〜１．５％、リングの巾寸法Ｂが
１．５mmを超え３mm以下の場合下り量Ｃ１が０．
１５〜０．３％、下り量Ｃ２が０．４〜１．０％
あることを特徴とする特許請求の範囲第１項記載
の２段バレルフエーストツプリング。[Claims for Utility Model Registration] (1) In a barrel face stop spring for an internal combustion engine, the amount C1 of the barrel face surface at the shaft center portion A of the outer peripheral sliding surface is small, and the amount of descent of the barrel face surface at the upper and lower end surfaces is small. 2 where C2 was formed large
A two-stage barrel face stop spring comprising two stages of barrel face surfaces, and characterized in that the two stages of barrel face surfaces are smoothly connected. (2) The descending amount C1 of the barrel face surface of the outer peripheral sliding surface from the shaft center and the descending amount C2 of the upper and lower end surfaces are relative to the ring width B, and the ring width dimension B is 1.5 mm.
In the following cases, the amount of descent C1 is 0.1 to 0.4%, the amount of descent C2 is 0.5 to 1.5%, and when the width dimension B of the ring is more than 1.5 mm and less than 3 mm, the amount of descent C1 is 0.
15-0.3%, downhill amount C2 is 0.4-1.0%
A two-stage barrel face stop spring according to claim 1, characterized in that: