Pipe coupling having movable gripping bodies

Details Pipe coupling having movable gripping bodies Pipe coupling having movable gripping bodies

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 23/08 (2006.01) F16L 17/035 (2006.01)

Patent

CA 2686708

A coupling for securing pipe elements together in end-to-end relation is disclosed. The coupling has segments joined end-to-end by adjustable connection members. The segments surround a central space which receives the pipe elements. One or more gripping bodies are captured between the segments. The gripping bodies are arranged opposite to each other. The segments have angularly oriented reaction surfaces on the connection members. The gripping bodies have angularly oriented contact surfaces which interface with the reaction surfaces. When the segments are drawn toward each other by the connection members, interaction between the reaction surfaces and the contact surfaces forces the gripping bodies radially inwardly. Inwardly facing arcuate surfaces on the segments and the gripping bodies engage and retain the pipe elements. Image

L'invention concerne un couplage pour fixer ensemble des éléments de tuyau de manière bout à bout. Le couplage a des segments unis de manière bout à bout par des éléments de raccordement ajustables. Les segments entourent un espace central qui reçoit les éléments de tuyau. Un ou plusieurs corps de serrage sont capturés entre les segments. Les corps de serrage sont disposés de façon à être opposés les uns aux autres. Les segments ont des surfaces de réaction orientées angulairement sur les éléments de raccordement. Les corps de serrage ont des surfaces de contact orientées angulairement qui ont une interface avec les surfaces de réaction. Lorsque les segments sont tirés les uns vers les autres par les éléments de raccordement, l'interaction entre les surfaces de réaction et les surfaces de contact force les corps de serrage radialement vers l'intérieur. Des surfaces arquées orientées vers l'intérieur sur les segments et les corps de serrage sont en prise et retiennent les éléments de tuyau.

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