Double-type high-air-impermeability hydraulic pressure plunger pump piston
A hydraulic plunger pump and high airtight technology, applied in the field of plunger pump components and double-type high airtight hydraulic plunger pump pistons, can solve the problems of insufficient piston airtightness, high transmission power and high energy consumption , to achieve the effect of simple structure, lower power consumption and noise reduction
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[0013] Below the present invention will be further described in conjunction with the embodiment in the accompanying drawing:
[0014] Such as figure 1 As shown, the present invention mainly includes a piston rod 2, a piston barrel 3 and a piston cylinder 6, and a first piston ring 7 is fixed at one end of the piston barrel 3. The inner ring of the piston cylinder 3 fixes the piston rod 2 through the fixing ring 1, and the end of the piston rod 2 passes through the first piston ring 7 and is connected to the second piston ring 8 through the screw 9.
[0015] A first sealing slope of 45° is provided in the circumference of one side of the first piston ring 7, a second sealing slope of 45° is provided in the circumference of the second piston ring 8, and the first sealing slope is opposite to the second sealing slope. To set up. The first sealing slope and the second sealing slope can effectively play the role of sealing.
[0016] The diameter of the end portion of the piston ...
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