Sealing cap for assisting SF6 gas sampling

• Main Authors: LIU WEI, LAI JUNJU, ZHU CHIRONG, PAN YINGLU, XIAN FENG, HUANG WEIZHONG
• Format: Patent
• Language: Chinese; English
• Published: 08.03.2022
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention relates to a sealing cap for assisting SF6 gas sampling, which comprises a cap body and a gas connecting pipe, a mounting hole is formed in the cap body in a penetrating manner, a first boss is arranged on the hole wall of the mounting hole, an internal thread is arranged on the hole wall of the mounting hole, a gas valve of GIS equipment is screwed into the mounting hole, and the gas connecting pipe is provided with a first end and a second end which are oppositely arranged. The first end is located in the mounting hole, the second end is located outside the cap body, a circle of second boss is annularly arranged on the outer side wall of the gas connecting pipe, the second boss abuts against the first boss, a vent hole is formed in the gas connecting pipe in a penetrating mode, and an ejector pin used for ejecting the gas valve open is movably arranged in the vent hole and comprises a plugging part and an operation part which are connected. The blocking part has a first position for blocking t