LOCK RING INSERT DEVICE FOR DETACHMENT PREVENTING COUPLER

摘要

PROBLEM TO BE SOLVED: To provide a lock ring insert device enabling easy inserting of a lock ring into a detachment prevention coupler trough a hole from the outer surface of a receive coupler to a groove on the inner surface of receive coupler in which an insert coupler is inserted. SOLUTION: A lock ring insert device for the detachment preventing coupler 10 can insert a lock ring 3a into a groove 2 on an inner surface of a receive coupler 1 through a hole 7 from the outer surface of the coupler 1 after the insertion of the insert coupler 5 made on the edge of pipe into the receive coupler 1 made on the edge of the other pipe. The device can be assembled or disassembled freely by the lock ring setting bolt holes 12 on the other surface of the coupler 1. The device has the driving unit 16 which reciprocate along the axis of the through hole and a joint 17 which is provided in the unit 16 and catch and release freely the lock ring member.