| CPC F16L 37/091 (2013.01) [F16L 47/06 (2013.01)] | 8 Claims |
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1. A quick pipe connector, comprising a pipe-shaped body (1), wherein a grip ring (4) and a locking sleeve (5) for axially positioning the grip ring (4) are arranged in the body (1); an end of the body (1) is provided with a connecting section (1d) corresponding to the locking sleeve (5); an outer side face of the locking sleeve (5) is provided with a protruding snap ring (5a); the body (1) is made of plastic; the locking sleeve (5) is made of a metallic material; an outer side face of the connecting section (1d) is provided with at least one through hole (1e) running through a pipe wall of the connecting section (1d) and corresponding to the snap ring (5a) in axial position; the snap ring (5a) is in interference fit with the connecting section (1d); the snap ring (5a) abuts against an inner side face of the connecting section (1d), so that the pipe wall of the connecting section (1d) at a location corresponding to the snap ring (5a) is deformed and forms a deformation groove (1f); and at least one first section of the snap ring (5a) is embedded into the deformation groove (1f), at least one second section of the snap ring (5a) is embedded into the at least one through hole (1e); and
wherein a protruding convex ring (1g) is arranged on the outer side face of the connecting section (1d) and located between the at least one through hole (1e) and a port of the connecting section (1d), and a hole wall face of the at least one through hole (1e) at a side close to the convex ring (1g) is flush with an end face of the convex ring (1g) facing the at least one through hole (1e).
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