Manual and electric combined high-pressure oil pump

The invention relates to a manual and electric combined high-pressure oil pump which comprises an electric oil pump and a manual pump, the electric oil pump comprises an oil pump body, a low-pressure oil cavity and a high-pressure oil cavity, and the low-pressure oil cavity and the high-pressure oil...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YANG QIURONG, WANG CHUNXIAO, CHENG XIAOPEI, XIONG KUIRAN, BAO JINGWEN, LU BINPENG, GU GENQUAN, MA NINGRUI, LI TIE, WANG HAN, ZHENG XIAOCHUN, DANG HEYU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a manual and electric combined high-pressure oil pump which comprises an electric oil pump and a manual pump, the electric oil pump comprises an oil pump body, a low-pressure oil cavity and a high-pressure oil cavity, and the low-pressure oil cavity and the high-pressure oil cavity are arranged in the oil pump body. A low-pressure oil duct communicated with the low-pressure oil cavity and a high-pressure oil duct communicated with the high-pressure oil cavity are arranged on the oil pump body; the hand pump comprises a hand pump body fixed to the oil pump body and a piston cavity formed in the hand pump body, an oil inlet and an oil outlet which are communicated with the piston cavity and face the oil pump body are formed in the hand pump body, the oil inlet is communicated with the low-pressure oil duct, and the oil outlet is communicated with the high-pressure oil duct. A low-pressure one-way valve used for controlling on-off of the low-pressure oil duct and the oil inlet is arrange