Pneumatic diaphragm valve with flow adjusting and positioning device

• Main Author: JI WENJIAN
• Format: Patent
• Language: Chinese; English
• Published: 12.07.2022
• 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; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The utility model relates to the technical field of diaphragm valves, and discloses a pneumatic diaphragm valve with a flow adjusting and positioning device, which comprises a diaphragm body arranged right above a valve body, an extrusion pad is arranged right above the diaphragm body, a connecting block is sleeved on the outer surface of the extrusion pad in a threaded manner, and an auxiliary device is arranged on the outer side surface of the valve body. An upper cover plate is arranged over the valve body, and a bolt penetrates through the lower surface of the valve body. According to the pneumatic diaphragm valve with the flow adjusting and positioning device, a first sealing ring is operated to be inserted into a gasket, so that an inserting barrel is operated to penetrate through the first sealing ring to be inserted into a connecting plate, then a second sealing ring is operated to be connected to the part, extending out of the connecting plate, of the inserting barrel in a sleeving mode, and therefor