Reciprocating plunger pump and its engine body, the slider crank mechanism and the slide block, the bearing seat, the crankcase upper cover and the plunger seat

摘要

The present disclosure provides a reciprocating plunger pump, which includes a plunger pump engine body, a plunger pump head and a slider crank mechanism which is located in the plunger pump engine body. Also disclosed are a reciprocating plunger pump engine body, a slider crank mechanism and a slide block, a bearing seat, a crankcase upper cover and a plunger seat.