car ventilation grille

Abstract

The invention discloses an automobile air grid. The automobile air grid comprises a grid frame, a grid blade set and a driving mechanism. The grid blade set comprises a driving grid blade and a plurality of driven grid blades, the driving grid blade and the driven grid blades are fixed to corresponding rotating shafts respectively and rotationally supported on the grid frame through the corresponding rotating shafts, the rotating shafts are parallel to one another and sleeved with synchronous wheels, and a synchronous belt is arranged on the synchronous wheels in a sleeving mode to achieve synchronous rotation of the rotating shafts; the driving mechanism is arranged on one side of the grid frame and connected with the rotating shaft corresponding to the driving grid blade to drive the rotating shaft to rotate. Compared with the prior art, by arranging the grid blade set capable of rotating synchronously, the temperature rising time is shortened, the fuel economy is improved, the service life of a whole automobile is prolonged, and the working performance of an engine is significantly improved.

Description

technical field [0001] The invention relates to the technical field of automobile parts, in particular to an automobile ventilation grille. Background technique [0002] The opening and closing state of the ventilation grille of the motor vehicle in the prior art is a non-adjustable structure. The ventilation grille is always in a fixed and normally open state whether the vehicle is parked or driving, and there is always air circulation between the engine compartment and the external environment. When the external environment is at a low temperature, even though the cooling system performs a small circulation, the cooling fan still forcibly sucks the cold air from the external environment, causing the cold air to enter the engine compartment, which often makes it difficult to start the engine. It takes a long time for the temperature to rise to a suitable working temperature. Specifically, when the engine is started at low temperature, the viscosity of the engine lubricatin...

AI Technical Summary

Problems solved by technology

[0002] The opening and closing state of the ventilation grille of the motor vehicle in the prior art is a non-adjustable structure. The ventilation grille is always in a fixed and normally open state whether the vehicle is parked or driving, and there is always air circulation between the engine compartment and the external environment. When the external environment is at a low temperature, even though the cooling system performs a small cycle, the cooling fan still forcibly sucks the cold air from the external environment, causing the cold air to enter the engine compartment, which often makes it difficult to start the engine. It takes a long time for the temperature to rise to a suitable operating temperature

Specifically, when the engine is started under low temperature conditions, the viscosity of the engine lubricating oil increases, thereby increasing the rotational resistance torque of the crankshaft and reducing the engine starting speed. For gasoline engines, the gasification quality of gasoline fuel deteriorates and ignition is difficult.

For diesel engines, it is also difficult to start due to the reduced speed, insufficient cylinder compression force and temperature, and the viscosity and density of diesel at low temperatures change greatly, which affects atomization, which makes it difficult to start.

Images