Automatic adjustment gasoline pump of automobile fuel system

Abstract

The invention discloses an automatic adjustment gasoline pump of an automobile fuel system. The automatic adjustment gasoline pump of the automobile fuel system comprises a pump case; the pump case is internally provided with a gasoline inlet cavity, a pump chamber, a gasoline outlet cavity, a gasoline inlet branch channel and a backflow channel; a gasoline inlet pipe and a gasoline outlet pipe are mounted on the pump case; the gasoline inlet cavity is internally provided with an upper gasoline inlet channel; a safety valve is mounted in the upper gasoline inlet channel; a turbine is mounted in the pump chamber through a motor; a cylindrical mounting layer is arranged on the inner wall of the gasoline inlet pipe; the gasoline inlet branch channel communicates with the pump chamber and the cylindrical mounting layer; a cylindrical plug is mounted on the cylindrical mounting layer through a first spring; the backflow channel communicates with the pump chamber and the gasoline outlet cavity; a rectangular block is mounted on the gasoline outlet cavity through a limiting board; an one-way valve is mounted in the gasoline outlet pipe; and magnetic steel is mounted on the inner wall of the gasoline outlet pipe. By means of the gasoline inlet branch channel and the backflow channel, the pressure of a gasoline inlet of the gasoline pump and the pressure of a gasoline outlet of the gasoline pump are relieved, gasoline is saved, the magnetic steel magnetizes the gasoline, then the gasoline is easier to atomize, the gasoline is completely combusted, the gasoline is also saved, the amount of exhaust gas is small, and the service life of the gasoline pump is long.

Description

technical field [0001] The invention relates to the technical field of gasoline pumps, in particular to an automatic adjustment gasoline pump for an automobile fuel system. Background technique [0002] The fuel supply system in modern automotive electronically controlled gasoline injection is mainly composed of a gasoline tank, an electric gasoline pump, a gasoline filter, a fuel distribution pipe, an oil pressure regulator, a fuel injector, and a fuel delivery pipe. The function of the gasoline pump is to suck the gasoline out of the fuel tank and press it into the float chamber of the carburetor through the pipeline and the gasoline filter. It is thanks to the gasoline pump that the gasoline tank can be placed at the rear of the car away from the engine and below the engine. The function of the electric gasoline pump is to supply sufficient fuel with a certain pressure to the fuel system. There are usually two types of electric gasoline pumps used in electronically contr...

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Problems solved by technology

[0004] (1) The safety valve of the gasoline pump is also called the pressure limiting valve, which prevents the gasoline pump from being damaged due to the high pressure of the oil inlet pipeline. pressure, resulting in damage to the gasoline pump;

[0005] (2) The oil pressure on the oil outlet side of the gasoline pump is generally high. Too much oil at the oil outlet will cause the engine to consume more fuel and waste oil, and when the oil pressure at the oil outlet is too high, it will cause the gasoline pump oil Excessive pressure may easily cause damage to the gasoline pump, thereby affecting the entire fuel supply system;

[0006] (3) Gasoline pumps generally only rely on filter devices to filter gasoline, and the filtering effect is not ideal. The fine iron filings in gasoline cannot be removed, which will cause great wear and tear to the internal parts of the gasoline pump, and the general gasoline pump is not good at atomizing gasoline. High, insufficient fuel, more fuel consumption, and more serious environmental pollution

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