Manual barreled oil well pump

The utility model relates to the technical field of liquid extraction tools. The manual barreled oil well pump comprises a pump body, a sealing gland, a sucker rod, an oil outlet pipe, a pump cylinder, a piston and a bottom valve assembly, the pump body is provided with a vertically-through mounting...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CHENG MINGCONG, YAN ZHIHANG, XIE YAO, YU SONGFA, LI GANGJIE, ZHOU LIGE, HUANG CHAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING BOTTLES, JARS OR SIMILAR CONTAINERS CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OFBOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOTOTHERWISE PROVIDED FOR FUNNELS HEATING LIGHTING LIQUID HANDLING MECHANICAL ENGINEERING OPENING, CLOSING PERFORMING OPERATIONS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS TRANSPORTING WEAPONS
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