JPH0427273U - - Google Patents

Description

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

第１図は本案の一実施例を示す放圧装置の断面
図、第２図は従来例の放圧装置の断面図である。 １……容器、２……放出孔、３……放圧膜、６
……放圧膜の押さえ板、６Ｂ……溝、７……防水
パツキン、８……防水パツキンの押さえ板。 FIG. 1 is a sectional view of a pressure relief device showing an embodiment of the present invention, and FIG. 2 is a sectional view of a conventional pressure relief device. 1... Container, 2... Discharge hole, 3... Pressure relief membrane, 6
... Pressure release membrane holding plate, 6B... Groove, 7... Waterproof packing, 8... Waterproof packing holding plate.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 容器の一方の端面に設けた放出孔と、この放出
孔を塞ぎ容器内側に突出する半球状突起を有し異
常圧力時に突起部が容器外側に反転する放圧膜と
、この放圧膜の外側に前記半球状突起部より小さ
な剪断エツジを有する孔を有し剪断エツジの反対
面に円状の溝をそなえた押さえ板と、押さえ板の
溝に嵌合する円状の半月状突起を一体形成した防
水パツキンとを設け、防水パツキンの半月状突起
を押さえ板の溝に嵌め込んでパツキン押さえ板を
容器に固定したことを特徴とするガス封入形開閉
器の放圧装置。 A discharge hole provided on one end surface of the container, a pressure relief membrane that has a hemispherical protrusion that closes the discharge hole and projects inside the container, and whose protrusion flips to the outside of the container in the event of abnormal pressure, and the outside of this pressure relief membrane. A holding plate having a hole having a shearing edge smaller than the hemispherical protrusion and a circular groove on the opposite side of the shearing edge, and a circular half-moon-shaped protrusion that fits into the groove of the holding plate are integrally formed. A pressure relief device for a gas-filled switch, characterized in that a waterproof gasket is provided, and the semicircular protrusion of the waterproof gasket is fitted into a groove of the presser plate to fix the gasket presser plate to the container.