Check valve with quick lock attachment feature

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

Patent

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Details

F16K 17/04 (2006.01) F16K 15/06 (2006.01) F16K 27/02 (2006.01) F16L 37/133 (2006.01)

Patent

CA 2059965

A check valve includes first and second valve body parts. The first, or lower, valve body part defines a protruding neck and the second, or upper, valve body part defines a receiving flange sized to received the protruding neck in a telescoping manner. A snap fit retaining mechanism includes a set of hooks on the second valve body part and a hook receiving groove on the first valve body part. The hooks are shaped to engage the groove to hold the first and second valve body parts together as an assembly, with the neck received in the flange. A central passageway extends through the first and second valve body parts, and a valve seat is defined around the central passageway. A valve pin is mounted in the central passageway to releasably seal against the valve seat.

Clapet de non-retour à corps bibloc. La première partie, ou partie inférieure, du corps du clapet comporte un col en saillie et la deuxième, ou partie supérieure, une bride de réception dimensionnée pour loger le col par emboîtement. Le mécanisme de retenue encliquetable comprend un jeu de crochets intégrés à la deuxième partie du corps du clapet et une rainure pour la réception des crochets sur la première partie du corps. Les crochets sont façonnés de manière à s'engager dans la rainure pour former un tout solidaire, une fois le col emboîté dans la bride. Un passage central traverse la première et la deuxième partie du corps du clapet, et un siège est posé autour du passage central. Une goupille de clapet, posée dans le passage central, vient s'appuyer contre le siège du clapet pour sceller le passage.

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