Sealing device for charging air bag of blanking semi-ball valve

• Main Authors: ZHANG YI'EN, GUO LIHUAN
• Format: Patent
• Language: Chinese; English
• Published: 16.12.2022
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; CYLINDERS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; PISTONS; SEALINGS; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The utility model discloses a blanking semi-ball valve inflatable air bag sealing device which comprises a main body, a first connecting end is fixedly connected to the outer wall of one side of the main body, an air bag groove is formed in the inner wall of the first connecting end, the inner wall of the air bag groove is communicated with two symmetrically-formed pipe grooves, each pipe groove comprises a bent part and a straight part, and the bent part is connected with the straight part. The inner wall of the pipe groove communicates with a valve groove, and a first sealing ring is arranged on the inner wall of the valve groove. The two pipe grooves formed in the bag groove correspond to the positions of the first air pipe and the second air pipe on the inflation bag respectively so that installation of the inflation bag can be facilitated, meanwhile, the pipe grooves guarantee that the first air pipe is kept perpendicular to the surface of the inflation bag through the bent parts, and the trend of the fi