Press fitting

Abstract

The present utility model discloses a press fitting, comprising a pipe connector, a nipple, a check ring, a sealing ring, a pressure sleeve, etc. Said check ring is sleeved into the end groove at the end section of said nipple of said pipe connector. Said sealing ring is fit to the sealing groove of said nipple. The pressure sleeve is locked within said check ring, which has an inlet groove, a positioning annular groove connected with said inlet groove, and said positioning annular groove has larger internal diameter than that of said inlet groove. Said pressure sleeve has an extension section on its end, and the dimension of the external diameter of the larger-diameter end of said extension section is between the dimension of the internal diameter of said inlet groove (124) of said check ring (12) and that of the internal diameter of said positioning annular groove (123) of said check ring (12). This utility model manifests good coaxiality between said pressure sleeve and said check ring, good fixity of said pressure sleeve, and can be operated easily and utilized widely in industrial applications.

Dependencies are inferred from the claim text.