Plastic pipe fitting of coated type injection molding sealing ring

Abstract

The utility model belongs to the technical field of plastic pipe fittings, and particularly relates to a plastic pipe fitting with a coated injection-molded sealing ring, which comprises an injection-molded joint body, at least one end part of the joint body is coated with the injection-molded sealing ring, and the end part of the joint body coated with the injection-molded sealing ring is provided with an annular connecting part. The outer ring part is formed on the outer side of the annular connecting part in a wrapping and injection molding mode, the inner ring part is formed on the inner side of the annular connecting part in a wrapping and injection molding mode, the end face part is formed on the outer end face of the annular connecting part in a wrapping and injection molding mode, one end of the end face part is connected with the outer ring part, the other end of the end face part is connected with the inner ring part, and a sealing lip is arranged on an inner ring of the inner ring part. The connecting structure is firm in connection and effectively prevents the sealing ring from falling off.

Images