Fan structure capable of being quickly disassembled

The utility model discloses a fan structure capable of being disassembled quickly, which comprises a base, a mounting rod arranged on the base, a machine head arranged on the mounting rod, a rear cover arranged on the front side of the machine head, a front cover arranged on the front side of the rear cover, fan blades arranged between the rear cover and the front cover, and a motor arranged in the machine head. A plurality of clamping hooks are arranged on the front wall face of the machine head in a circumferential array mode, a clamping groove with an opening in one side is formed in each clamping hook, and a plurality of clamping pieces matched with the clamping grooves in a clamped mode are arranged on the rear wall face of the rear cover in a circumferential array mode. A second annular positioning part matched with the first annular positioning part is arranged on the rear wall face of the rear cover, and the first annular positioning part and the second annular positioning part are attached to each ot