RECIPROCATING PLUNGER PUMP, BODY AND CRANK CIRCULAR SLIDING BLOCK MECHANISM THEREOF, CIRCULAR SLIDING BLOCK, BEARING SEAT, CRANKCASE UPPER COVER AND PLUNGER SEAT

摘要

Provided is a reciprocating plunger pump, including a plunger pump body, a plunger pump head and a crank circular sliding block mechanism provided in the plunger pump body. A crank circular sliding block mechanism, a circular sliding block for the crank circular sliding block mechanism, a circular sliding block assembly, a bearing seat, a reciprocating plunger pump body, a crankcase upper cover for the reciprocating plunger pump body and a plunger seat are also provided. The reciprocating plunger pump has small volume, light weight and is easy to manufacture.