Extractor for valve element of check valve

The utility model provides an extractor for a valve element of a check valve. The extractor comprises a rod body, one end of the rod body is fixedly connected with an expansion body, the rod body is sleeved with a cover capable of being fixedly connected with the valve port of the check valve, the p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SUN MINGBO, WANG LIPING, TIAN PEI, LONG TAIZHENG, ZHANG LIANMEI, WANG WEI, LI YUNPENG, SHEN ZEXIN, JIANG QIZHI, WANG HONGYU, HUANG XINGGUO, LIAO MAOSHENG, WANG YONGJIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	HAND TOOLS MANIPULATORS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING
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Beschreibung
Zusammenfassung:	The utility model provides an extractor for a valve element of a check valve. The extractor comprises a rod body, one end of the rod body is fixedly connected with an expansion body, the rod body is sleeved with a cover capable of being fixedly connected with the valve port of the check valve, the portion, between the expansion body and the cover, of the rod body is movably sleeved with an expansion sleeve, the outer diameter of the expansion sleeve is smaller than the outer diameter of the cover and larger than the inner diameter of the cover, and the wall of the end, close to the expansion body, of the expansion sleeve is provided with a seam capable of being expanded through the expansion body. The operation process of the extractor is easy, convenient and quick to carry out, sealing of the valve port can be guaranteed in the replacement process, safety of an operator is guaranteed, a valve body of the check valve does not need to be cut, and safety of the check valve is maintained.