Novel piston used in plunger type water pump
A plunger-type, water-pump technology, applied in the components of the pumping device for elastic fluid, variable-capacity pump components, pump components, etc., can solve the problems of great influence and high cost, etc.
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[0016] like Figure 1-6 As shown in the figure, the reciprocating piston in the plunger water pump is composed of a metal core 1, a fixed ring 2 and a piston head 3; the metal core 1 made of magnetically conductive metal material has a hollow cylindrical structure, and its connecting end is provided with a concave a groove 11, the groove 11 communicates with the hollow through hole 12 of the metal core 1 and the axes of the two coincide;
[0017] The piston head 3 has a "T"-shaped hollow structure, and the section of the connecting end 31 of the piston head 3 is slightly larger than the section of the rod body 32 of the piston head;
[0018] The inner hole of the fixing ring 2 can just make it sleeved on the shaft 32 of the piston head 3, and the shape and size of the outer cross-section of the fixing ring 2 and the shape and size of the cross-section of the groove 11 of the metal core 1 correspond to interference fit;
[0019] The depth of the groove 11 of the metal core 1 i...
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