A plug-in safety coupling

F - Mech Eng,Light,Heat,Weapons – 16 – L

Patent

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Details

F16L 37/38 (2006.01) F16L 37/47 (2006.01)

Patent

CA 2439004

Normally, compressed air coupling plugs lock inside a coupling housing. Decoupling must consequently occur by releasing said plugs counter to the friction forces existing between the plug and the housing . This requires force and the plug may not relieved of pressure when decoupled. The invention works with a locking element (2) which is mounted in a coupling housing (1). The plug (5) and the locking element (2) are provided with reciprocally corresponding locking means (24, 52; 28, 56) whereby the locking element (2) can be pivoted for decoupling without the plug (5) pressing on the housing (1), thereby enabling large caliber tubing, such as those used with construction compressors, to be coupled by hand without tools.

Normalement, les bouchons mâles de raccords pour air comprimé effectuent le verrouillage dans le boîtier de raccordement. Le découplage doit donc être effectué par libération desdits bouchons contre des forces de friction existant entre le bouchon et le boîtier. Cela exige de la force et lors du découplage, le bouchon risque de ne pas être libéré de la pression. Selon la présente invention, un élément de verrouillage (2) est monté dans le boîtier (1) de raccordement. Le bouchon (5) et l'élément de verrouillage (2) possèdent des éléments de verrouillage (24, 52 ; 28, 56) correspondant les uns aux autres si bien qu'il est possible de faire pivoter l'élément de verrouillage (2) pour le découplage sans que le bouchon (2) fasse pression contre le boîtier (1). Cela permet le raccordement manuel et sans outils de tuyaux de gros calibre, par exemple de compresseurs de construction.

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