Main body mounting structure of air circulation fan

The utility model discloses a main body installation structure of an air circulation fan, which comprises a base, a main rod is arranged on the base, and a machine head assembly used for installing a circulation fan main body is arranged on the main rod. The base is connected with the lower portion of the main rod through a buckle, an insertion cavity for containing the main rod is formed in the upper end face of the base, a first coupler is arranged in the insertion cavity, and a second coupler matched with the first coupler is arranged at the bottom of the main rod; the machine head assembly is connected with the upper portion of the main rod through a buckle, a third coupler is arranged on the lower portion of the machine head assembly, and a fourth coupler matched with the third coupler is arranged on the upper portion of the main rod, that is, the base, the main rod and the machine head assembly are assembled through buckle connection, fixation is achieved without screws, the material cost is saved, and