Patent ID: 7530606
Filing Date: 2009-05-12
Classification: F16K,F16L

Abstract:
1. A quick pipe connector adapted for connecting to and disconnecting from a water pipe, said quick pipe connector comprising: a tubular housing including a housing wall that defines an axis and a receiving space adapted for receiving an end portion of the water pipe, and that has an end face, a first annular inner housing surface connected to said end face, a second annular inner housing surface disposed proximate to one end of said first annular inner housing surface opposite to said end face and having a radial dimension relative to the axis that is larger than that of said first annular inner housing surface, a first housing shoulder surface interconnecting said first and second annular inner housing surfaces, a third annular inner housing surface disposed proximate to one end of said second annular inner housing surface opposite to said first housing shoulder surface and having a largest radial dimension relative to the axis that is smaller than that of said second annular inner housing surface, and a second housing shoulder surface interconnecting said second and third annular inner housing surfaces; a connecting unit including a grip ring disposed in said receiving space of said tubular housing and adapted to grip the end portion of the water pipe in said receiving space, a locking ring disposed in said receiving space such that said locking ring abuts against said first housing shoulder surface and positions said grip ring in said receiving space so that said grip ring abuts against said second housing shoulder surface, said locking ring having an outer ring surface, an inner ring surface opposite to said outer ring surface in radial directions relative to the axis, and a slit extending parallel to the axis from said inner ring surface to said outer ring surface, said inner ring surface including an annular inner shoulder part disposed transverse to the axis, and a release ring extending into said locking ring, formed with a stop surface that confronts said annular inner shoulder part of said inner ring surface of said locking ring, and movable along the axis relative to said locking ring to a release position, where said stop surface is moved away from said annular inner shoulder part of said inner ring surface of said locking ring and where said release ring forces said grip ring to release gripping action on the end portion of the water pipe in said receiving space; and a seal ring disposed in said receiving space and adapted to abut sealingly against the end portion of the water pipe in said receiving space.