Self-tightening hoop with sealing structure

• Main Authors: YANG WENFENG, CHEN HUANYING, WANG YINCAI
• Format: Patent
• Language: Chinese; English
• Published: 25.10.2019
• 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 invention discloses a self-tightening hoop with a sealing structure. The self-tightening hoop comprises a lower hoop body, a lower seal ring, an adjusting structure, hinge supports and a rectangular self-tightening groove. The lower seal ring wraps the inner side wall of the lower hoop body, a fixed block is fixed to the surface of the lower hoop body on one side of the lower seal ring, the rectangular self-tightening groove is formed in the center position of the surface of the fixed block, a self-tightening spring is mounted on the inner side wall of the rectangular self-tightening groove, an arc-shaped push block is mounted at the end, far away from the inner side wall of the fixed block, of the self-tightening spring, the upper hoop body is arranged above the lower hoop body, the adjusting structure is arranged between the upper hoop body and the lower hoop body, a self-tightening rod is fixed to the outer wall, far away from the adjusting structure, of the upper hoop body, andhinge supports are arran