Ball valve

• Main Authors: ZENG YUANMING, QI ERLUO
• Format: Patent
• Language: Chinese; English
• Published: 22.03.2022
• 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 provides a ball valve, which relates to the technical field of valves, is used for solving the technical problem of failure risk of sealing between a valve body and a ball body in the prior art, and comprises the valve body, the ball body and a sealing ring, a first fluid channel is formed in the valve body, the ball is arranged in the first fluid channel, the ball has a first posture and a second posture relative to the valve body, in the first posture, the ball closes the first fluid channel, and in the second posture, the ball opens the first fluid channel. A sealing groove is formed in the inner side wall of the valve body and communicates with the first fluid channel, a sealing ring is arranged in the sealing groove and comprises a first inner side wall exposed out of the sealing groove, an annular protrusion is arranged on the first inner side wall in a protruding mode, and the annular protrusion abuts against the outer side wall of the ball body. According to the ball valve, the seali