Cover board of spare tyre for double-compartment vehicle capable of purifying air

The utility model discloses a spare tyre cover plate for a two-carriage automobile, which can purify the air and belongs to the technical field of air purification. The spare tyre cover plate consists of a base plate (1), an adhesive layer (A2), an activated carbon fiber absorption layer (3), an adhesive layer (B4), and a surface layer (5), wherein the activated carbon fiber absorption layer is adhered to the surface of the base plate. The spare tyre cover plate is characterized in that the activated carbon fiber absorption layer can be made of: 1. activated carbon fiber cloth and activated carbon fibrofelt; 2. activated carbon fiber cloth and activated carbon fibrofelt in composite materials; and 3. activated carbon fiber flocking. The spare tyre cover plate is provided with the activated carbon fiber absorption layer, and activated carbon fiber is a well-known high-efficiency absorption material, so the spare tyre cover plate can absorb pollutants in the ambient air without power, thereby purifying the air