Butterfly valve with self-adaptive sealing structure

• Main Authors: SUN XIAOMIN, SUN ZHONGGUI, SUN CHENGSHENG
• Format: Patent
• Language: Chinese; English
• Published: 06.01.2023
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The utility model discloses a butterfly valve with a self-adaptive sealing structure, and relates to the technical field of butterfly valves, the butterfly valve comprises a valve body, a butterfly plate and a sealing ring, the butterfly plate comprises a butterfly plate seat and a butterfly plate cover, a first groove is arranged in the middle of the butterfly plate seat, a sealing ring ring is arranged on the edge of the first groove, a U-shaped opening is arranged on the sealing ring ring, and the U-shaped opening is communicated with the first groove. A second groove is formed in the middle of the butterfly plate cover, a water inlet is formed in the bottom of the second groove, a butterfly drum is arranged in the second groove, a butterfly drum ring is arranged on the edge of the second groove, a U-shaped opening is formed in the butterfly drum ring, a connecting pipe is fixedly connected between the sealing ring and the butterfly drum, and the sealing ring and the butterfly drum are both filled with flu