Reciprocating type oily oil -well pump of diving of solid plunger

• Main Authors: LI XUEJIANG, MA JIPO, MA MINGLU, GAO CHENGQIANG, ZHANG CHUNHUI, LYU HAIBO
• Format: Patent
• Language: Chinese; English
• Published: 29.06.2018
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The utility model discloses a reciprocating type oily oil -well pump of diving of solid plunger, including pump barrel, push rod and active cell outer tube, the lower extreme of active cell outer tubeis connected with the oily linear electric motor that dives and is fixed its characterized in that: the intracavity of pump barrel is equipped with clearance fit's solid plunger, and the upper end ofpush rod and the lower extreme of solid plunger are connected fixedly, and the upper end of pump barrel is equipped with the bi -pass core, is equipped with the inlet port on the lateral wall of bi -pass core, and the intracavity of bi -pass core is equipped with the overhead filling valve, and the oil inlet of overhead filling valve is linked together with the inlet port on the bi -pass core lateral wall, the fixed solid fixed valve of overhead that is equipped with of last port of bi -pass core, and the inner chamber of pump barrel is linked together with the inner chamber of bi -pass core,and the solid fixed valve'