FITTING LOCKRING

An objective of the present invention is to provide a fitting lock ring capable of easily connecting pipes to be connected with a small load and preventing leakage during final connection. The present invention relates to a fitting lock ring having an inlet end and an outlet end. The fitting lock ring comprises: a tapered inner diameter unit in which the inner diameter gradually decreases from the inlet end; a uniform inner diameter unit extending from the tapered inner diameter unit; a locking unit protruding inward in a ring shape between the uniform inner diameter unit and the outlet end; and a rounding unit gently connecting the tapered inner diameter unit and the uniform inner diameter unit. 본 발명은 입구단과 출구단을 갖는 관상의 피팅 락링에 관한 것으로, 입구단으로부터 점진적으로 내경이 감소되는 테이퍼내경부와, 테이퍼내경부로부터 연장된 균등내경부와, 균등내경부와 출구단 사이에 고리상으로 내향 돌출된 락킹부 및, 테이버내경부와 균등내경부를 완만하게 연결하는 라운딩부를 포함한다.