PLUG-IN CONNECTOR Russian patent published in 2009 - IPC F16L37/91 

FIELD: machine building; pipelines.

SUBSTANCE: invention deals with design of plug-in connectors. The plug-in pipe connector is designed to consist of a base, a sealant element inserted in the socket connected to the base, a retaining element and retaining claws for the pipe end fixation. The base the pipe end is to be fixed relative to may be partly inserted into another pipe end. For the pipe end attachment there is an annular slit arranged between the base and the socket. The closed sleeve ring portion of the plug-in connector retaining element is fixedly integrated into the socket. Radially the socket has a support element with an exterior bearing surface inside the retaining element with the spring-resilient retaining element resting on it. The bearing surface is positioned at a preset angle unfolding towards the front free end of the socket.

EFFECT: enhanced reliability of joint and elimination of the risk of the pipe end damage and too deep penetration of the retaining claws into the pipe end.

9 cl, 9 dwg