| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a plunger pump for improving assemblability. <P>SOLUTION: This plunger pump includes a plunger 1 arranged in an inner hole HS2 formed in a housing HS, an eccentric cam OC arranged in a cam storage hole HS3 formed in the housing and reciprocating the plunger 1 in the inner hole HS2 by abutting on one end side of the plunger 1, a valve element 3d abutting on a valve seat 1d arranged on the other end side of the plunger 1, and a retainer part 3 for storing the valve element 3d inside and installed on the other end side of the plunger 1. The retainer part 3 has an opening part 3n for storing the valve element 3d inside, a spring holding part 3a arranged in a position opposed to the opening part 3n, and a valve element holding part 3h capable of holding the valve element 3d in a state of being stored inside the retainer part 3, and is installed in the plunger 1 in a sub-assembly state of storing the valve element 3d inside. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
