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Pneumatic pump

A pneumatic pump and cylinder technology, applied in the field of pneumatic hydraulics, can solve the problems of short service life, high replacement cost, and the pump cannot work, and achieve the effects of long service life, low cost and uniform pressing force

Active Publication Date: 2018-03-20
MAANSHAN RUNMA MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The pressure storage switch of the existing pneumatic pump is manually rotated and pressed to close the main oil passage port, which is easy to cause the valve port to wear and cause the pump to fail to work, the service life is short, and the replacement cost is high

Method used

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Examples

Experimental program
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Embodiment Construction

[0012] Depend on figure 1 , figure 2 It can be seen that the existing pneumatic pump includes a housing, an air inlet 1 on the right side of the housing, an air pressure regulating valve 2, a working switch 3, a pressure storage switch 4, an air pressure gauge 5, a high-pressure oil gauge 6, a high-pressure oil outlet 7, and a refueling valve. port, fuel tank. Operating principle: Compressed air enters from the air inlet 1, adjusts the air pressure through the air pressure regulating valve 2, turns on the working switch 3, the pneumatic pump starts to work, tightens the pressure storage switch 4, and the pressure storage rod 10 is firmly against the high pressure oil After sealing the nozzle from channel 8 to fuel tank inlet 9, the pressure of the main oil circuit and high-pressure oil outlet 7 will increase, and the pressure will be displayed on the high-pressure oil gauge 6; when the work is over, turn off the working switch 3 and unscrew the accumulator Switch 4, the hig...

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PUM

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Abstract

The invention discloses a pneumatic pump. A right cuboid box, a middle cuboid box and a left cuboid box are arranged on an oil tank; an air inlet is connected to an air pressure regulating valve arranged on the right cuboid box and an air pressure gauge for display, the front of the middle cuboid box is provided with a working switch and a pressure storage switch, and a high-pressure oil gauge for displaying oil pressure is arranged on the left cuboid box; a pressure storage piston is arranged in the middle cuboid box, the left front end of the pressure storage piston is in a conical shape, and a sealing ring is arranged between the right rear portion of the pressure storage piston and an air cylinder; a conical hole communicated with a high-pressure oil channel is formed in the right side in the left cuboid box, an inner oil channel hole communicated with the oil tank is formed below the right front portion of the conical hole, the left front end of the pressure storage piston air cylinder and the right end of the conical hole are welded into a whole, and the conical hole is completely sealed when the pressure storage piston moves to the left end. Compressed air is utilized for pushing the pressure storage piston to seal the main oil channel hole, pressing force is uniform and stable, and the pneumatic pump is simple in structure, low in cost and long in service life.

Description

technical field [0001] The invention relates to the pneumatic hydraulic field, in particular to a pneumatic hydraulic pump. Background technique [0002] The pressure accumulation switch of the existing pneumatic pump is manually rotated and pressed to close the main oil passage port, which is easy to cause the valve port to be worn and cause the pump to fail to work, the service life is short, and the replacement cost is high. Contents of the invention [0003] The purpose of the present invention is to solve the above problems and provide a pneumatic pump that uses compressed air to push the pressure accumulating piston to close the inner oil passage hole, so that the pressing force is uniform and the service life is prolonged. [0004] The technical scheme of the present invention is designed like this: a kind of pneumatic pump is characterized in that: its bottom is provided with fuel tank, and the upper surface of fuel tank is provided with filling port; The middle c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B9/129F04B17/00F04B53/00F04B53/16F04B53/14
CPCF04B9/129F04B17/00F04B53/00F04B53/143F04B53/16
Inventor 林权柏
Owner MAANSHAN RUNMA MACHINERY MFG