JPS62155263U

JPS62155263U -

Info

Publication number: JPS62155263U
Application number: JP1986042877U
Authority: JP
Priority date: 1986-03-24
Filing date: 1986-03-24
Publication date: 1987-10-02

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す要部断面図、
第２図は流体流出状態を示す同断面図、第３図は
他の実施例の要部断面図、第４図はさらに別の実
施例を示す図であつて上半部に正面図を下半部に
背面図を同時に示す図、第５図は要部断面斜視図
、第６図は他の実施例の要部断面斜視図、第７図
は別の実施例の要部断面図、第８図と第９図はさ
らに別の実施例を示す要部断面図である。１……シールリング本体、７……薄肉遮断膜片
、８……流路孔、９……低圧側面部、１０……流
体逃げ用凹溝。 FIG. 1 is a cross-sectional view of essential parts showing an embodiment of the present invention;
Fig. 2 is a sectional view of the same showing the fluid outflow state, Fig. 3 is a sectional view of the main part of another embodiment, and Fig. 4 is a diagram showing still another embodiment, with a front view shown in the upper half. FIG. 5 is a cross-sectional perspective view of a main part; FIG. 6 is a cross-sectional perspective view of a main part of another embodiment; FIG. 7 is a cross-sectional view of a main part of another embodiment; FIG. 8 and FIG. 9 are main part sectional views showing still another embodiment. DESCRIPTION OF SYMBOLS 1... Seal ring main body, 7... Thin barrier membrane piece, 8... Channel hole, 9... Low pressure side part, 10... Concave groove for fluid escape.

Claims

[Scope of utility model registration request]

The seal ring body includes a seal ring body made of an elastic material, and the seal ring body has an axial passage hole that is blinded by a thin barrier membrane piece that breaks at a predetermined pressure. A sealing device characterized in that the main body has a groove for fluid escape on a low-pressure side surface thereof.