A sealing structure of a plunger pump, comprising: a pump body and a plunger rod assembly disposed in the pump body;wherein the pump body includes an upper pump and a lower pump, and the upper pump and lower pump are ...
标准号:
US2018372089(A1)
A sealing structure of a plunger pump, comprising: a pump body and a plunger rod assembly disposed in the pump body;wherein the pump body includes an upper pump and a lower pump, and the upper pump and lower pump are fixed by screw connection;a sealing ring provided between the upper pump and the lower pump;wherein the plunger rod assembly includes an annular groove disposed at a position adjacent to a lower portion of the plunger rod at an outer peripheral surface thereof;a dynamic lip seal fitted in the annular groove;and a static lip seal sleeved on the outer peripheral surface of the plunger rod;the sealing structure of the plunger pump has good sealing effect, good anti-wear and anti-wear effect, simple replacement and low maintenance cost.
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