Efficient automobile fuel high-pressure pump

Abstract

The invention discloses an efficient automobile fuel high-pressure pump. The efficient automobile fuel high-pressure pump comprises a conveying adjusting oil tank, a filter box, a transmission box andan oil conveying channel, oil inlets are formed in the two ends of one side of the bottom of the transmission box, the oil conveying channel is formed in one side of the transmission box, a driving gear and a driven gear are arranged on one side of the transmission box, the filter box is installed at the top of the transmission box, the conveying adjusting oil tank is mounted at the top of the filter tank, and an oil conveying opening is formed in the top of the conveying adjusting oil tank. The automobile fuel high-pressure pump is simple in structure, the automatic gasoline conveying process can be completed only through cooperation of a first worm, a second worm, a third worm and a fourth worm, and the automobile fuel high-pressure pump has the advantages of being low in manufacturingcost and high in conveying efficiency; a filter plate is mounted in the filter box, so that the situation that impurities block an oil supply pipe and an automobile oil nozzle, and consequently an automobile breaks down is avoided; and a piston plate moves in an inner cavity of the conveying adjusting oil tank, the speed of gasoline output from the oil conveying opening is changed, and the gasoline output amount becomes controllable.

Description

technical field [0001] The invention relates to the field of fuel pumps, in particular to an efficient high-pressure automobile fuel pump. Background technique [0002] The fuel pump is one of the basic components of the fuel injection system of an electronic fuel injection vehicle. It is located inside the fuel tank of the vehicle. The function of the fuel pump is to suck out the fuel from the fuel tank, pressurize it and deliver it to the fuel supply pipe, and cooperate with the fuel pressure regulator. certain fuel pressure. [0003] The patent with application number CN201520904903.2 discloses a high-pressure fuel pump for automobiles. One side of the pump body is provided with a valve cavity, a valve seat is arranged in the valve cavity, a metering valve is installed on the valve cavity, and the valve core of the metering valve extends to The valve cavity cooperates with the valve seat to control the flow in the valve cavity. One side of the pump body is provided with ...

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the above technical problems, the object of the present invention is to provide a high-efficiency automotive fuel high-pressure pump: (1) by extending the filter plate into the sealing groove, the mounting plate is installed in the mounting groove by bolts, Connect the supporting legs to the bottom of the inner cavity of the fuel tank of the car, complete the installation of the high-pressure fuel pump of the car, connect the oil delivery port and the fuel supply pipe through the pipeline, fill the fuel tank with gasoline, and start the drive motor to drive the drive motor. When the gear rotates, the driving gear meshes with the driven gear, thereby driving the rotation of the second linkage shaft, and the rotation of the second linkage shaft drives the rotation of the first worm and the second worm through the third worm and the fourth worm. Negative pressure is formed in the center, gasoline is input from two oil inlets, gasoline enters the two ends of the second installation chamber, and passes through the transportation between the first worm and the third worm and the transportation between the second worm and the fourth worm, Gasoline is transported to the oil delivery channel through the gap, the gasoline enters the filter box through the oil delivery channel, the gasoline continues to be transported upwards after the filter plate removes impurities, enters the delivery adjustment tank through the inner oil inlet, and then is output through the oil delivery port to the In the oil supply pipe, the problems of complex structure, high cost and low transmission efficiency of the existing automobile fuel high-pressure pump are solved; (2) by installing a filter plate in the filter box, the impurities in the fuel tank during the transportation of gasoline are not eliminated. It will be output with the gasoline, which solves the problem that the gasoline is not filtered during the gasoline high-pressure pump of the existing automobile, so that the impurities in the fuel tank are output with the gasoline, which is easy to block the fuel supply pipe and the automobile fuel injector, and cause the automobile to malfunction. Problem; (3) When the gasoline is filtered by the filter box and delivered to the inner cavity of the delivery adjustment tank, by starting the adjustment cylinder, the operation of the adjustment cylinder will drive the movable rod to extend or shrink, thereby driving the piston plate to move in the inner cavity of the delivery adjustment tank, thereby It changes the space for storing gasoline in the inner chamber of the fuel tank, changes the pressure of gasoline delivery, and then changes the output rate of gasoline from the oil delivery port, making the output of gasoline controllable. Gasoline output cannot be adjusted arbitrarily, it cannot adapt to different use environments, and the scope of application is small

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