Gas production bag valve

• Main Authors: LI CHAO, HUANG SISI, ZHENG YIFAN
• Format: Patent
• Language: Chinese; English
• Published: 30.01.2024
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The utility model discloses a gas production bag valve which comprises a valve body and a valve bottom. The valve body is of a T-shaped structure, a side branch serves as a valve nozzle, and a contraction neck is arranged on the lower portion of a valve cavity of the valve body. The valve bottom comprises a hollow rod body and an attaching disc, and the hollow rod body is buckled to the contraction neck position of the valve cavity through the annular inverted buckle. A rotary switch is rotationally mounted at the top of the valve cavity, and a sleeve body is formed on the rotary switch; a structural sealing ring is formed on the outer pipe surface of the lower part of the sleeve body; the hollow rod body is sleeved with the sleeve body, and a gap space is reserved between the sleeve body and the hollow rod body to serve as a gas flowing channel; and the sleeve body can axially move along the thread screwing part by rotating the rotary switch, and the valve nozzle is formed in the middle position of the strok