It is a base assembly of ventilation heating apparatus. It includes the base, the connecting bar and the connection structure in base and connecting bar. One side is located in the mantle, which is jointed with the main body. The expansion structure is made up of the air pressure stick and the pressing machine. The air pressure stick includes the cylinder body, the axostyle and the air pressure button. The pressing apparatus is in the base. One side is on up of the base and the other is located in bottom of the air pressure button. |