Air inflation valve seat suitable for online meter checking

• Main Authors: SHEN ZEXIN, HUANG GUOQIANG, MA RUHAI, GUO SHUNBIN
• Format: Patent
• Language: Chinese; English
• Published: 16.11.2016
• 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

Provided is an air inflation valve seat suitable for online meter checking. A main channel, an upper channel and a side channel are formed in a valve body and communicate with each other. The main channel communicates with the outside through the side channel and the upper channel. A first sealing face is arranged on the inner wall of the main channel and divides the main channel into a front channel body and a rear channel body. The side channel and the upper channel communicate with the front channel body. A second sealing face is arranged on the inner wall of the side channel. Valve element assemblies comprise the first valve element assembly and the second valve element assembly. The first valve element assembly comprises a first valve element and an elastic part, the first valve element is installed in the rear channel body along the axis through the elastic part, and the first valve element is tightly attached to the first sealing face under the action of the elastic part. The second valve element assem