Rubber-ring-free sealing cover pipe fitting of drainage pipe fitting

• Main Authors: XU LONGXIANG, HE BOFANG, LYU WENJIANG, JIANG WANGHU
• Format: Patent
• Language: Chinese; English
• Published: 30.08.2022
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model belongs to the technical field of pipe fitting sealing, and relates to a drainage pipe fitting rubber-ring-free sealing cover pipe fitting which comprises a pipeline, the top of the pipeline is in threaded connection with a sealing cover, the top of the inner wall of the sealing cover is fixedly connected with a spring, the bottom of the spring is fixedly connected with a sealing plate, and the bottom of the sealing plate is in lap joint with the top of the pipeline. A through hole is formed in the sealing plate, a sealing piece is fixedly connected to the bottom of the sealing plate, a cavity is formed in the sealing piece, and the cavity is located below the through hole. The sealing cover has the beneficial effects that the sealing effect of the sealing cover on a pipeline can be improved through the arrangement of the spring, the sealing plate and the sealing piece, expansion of the sealing piece can be conveniently adjusted through the combined action of the threaded column, the movable