Novel oil production pipe valve

The utility model discloses a novel oil production pipe valve, including last flange, last connecting portion, valve main part, lower flange, lower connecting portion and a pair of valve side joint subassembly, top, bottom and the left and right sides of valve main part are equipped with the connect...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HE JING, ZHAO YONGHUA, ZHONG JIDONG, CHAI ZHIMEI, YIN BINGLIN, DANG YUANSHENG, JIAN CAIYAN, SI CUIQIN, XU BAOHUA, LYU HEJUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	The utility model discloses a novel oil production pipe valve, including last flange, last connecting portion, valve main part, lower flange, lower connecting portion and a pair of valve side joint subassembly, top, bottom and the left and right sides of valve main part are equipped with the connector respectively, go up the connecting portion connection and on the connector at the top of valve main part, go up the flange level and set up the top at last connecting portion, down connecting portion are connected on the connector of the bottom of valve main part, and lower flange level sets up the bottom of connecting portion under, symmetric connection is on the connector of the left and right sides of valve main part respectively for a pair of valve side joint subassembly, and every group valve side joint subassembly includes that valve side joint portion, lateral part connector, side joint are strengthened tieing, many enhancements are tied connecting rod, side connecting seat, are connected ball journal, ro