Vehicle-mounted aerodynamic device

Abstract

The invention discloses a vehicle-mounted aerodynamic device which comprises an air sac, a tray, an electric air pump, a supporting cover plate, a reversing valve group and a top cover, wherein the tray is arranged in the air sac; the electric air pump is arranged in the tray; the supporting cover plate is arranged at an opening in the upper end of the air sac; a confined space is formed among the supporting cover plate, the tray and the inner side wall of the opening in the upper end of the air sac; and the reversing valve group is arranged above the supporting cover plate. The device integrates multiple functions such as an air inflation pump, an air exhaust pump and an air jack; and through the control of the reversing valve group, the air pump can directly inflate air-using equipment such as tires with external air, the air sac can be inflated to jack up an automobile, the air in the air sac can be exhausted, the air sac can be shrunk, and a swimming ring, an airbed and an inflatable cushion can be inflated and air in the swimming ring, the airbed and the inflatable cushion can be exhausted.

Description

technical field [0001] The invention relates to a vehicle-mounted aerodynamic device, in particular to a vehicle-mounted aerodynamic device integrating functions such as an air charging pump, an air exhaust pump, and an air jack. Background technique [0002] There are many electric appliances on board the vehicle, such as electric air pump, electric supply and exhaust pump, electric mechanical jack, exhaust jack, air jack, etc. These equipment have single functions and can only meet certain specific needs. [0003] In 2012, I applied for a patent named "Vehicle Pneumatic Jack with Air Pump" (Application No. 201210168755.3). Conditions such as ground conditions, vehicle conditions, and supporting components are limited, and it shows its unique advantages in special occasions such as complex road surfaces and the wild. The pneumatic jack has its own air pump, which can inflate the tire at any time when the tire is deflated, eliminating the worries during driving. Although t...

AI Technical Summary

Problems solved by technology

Although the pneumatic jack has an automatic inflation function, it does not have an automatic exhaust function. The air bag is filled with gas and stretched to lift the vehicle. After the tire is in contact with the ground, it is necessary to manually press down the airbag to inflate the airbag, which is time-consuming and labor-intensive.

[0004] In addition, people often carry inflatable products such as inflatable beds and inflatable cushions when they drive out to play. When inflating the inflatable beds and inflatable cushions, an air pump is used. When the inflatable beds and inflatable cushions are not in use, the internal gas needs to be released. In order to be easy to fold and reduce the space occupied, if manual deflation is used, it is time-consuming and laborious, and the deflation effect is not good. You can use the exhaust pump to deflate, but in this way, people need to carry the air pump when they go out to play. You have to carry an exhaust pump, which increases the space in the car

[0005] At present, there are inflation and exhaust pump devices on the market. This device can inflate inflatable products such as air beds and inflatable cushions, but it cannot inflate car tires. And a variety of equipment takes up a lot of space

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