Angle-adjustable fan blade

The angle-adjustable fan blade comprises a hub bin, a connecting base is installed on the rear end face of the hub bin, a connecting pipe is fixed to one end of the inner wall of the hub bin, a threaded rod is meshed with an inner cavity of the connecting pipe in a threaded mode, and an end cover is fixed to the extending end of the threaded rod. Inserting grooves are embedded in the outer side of the hub bin at equal intervals, inserting blocks are inserted into inner cavities of the inserting grooves in a sleeved mode, compression springs are fixed to inner cavities of the two sides of each inserting block respectively, clamping blocks are fixed to the extending ends of the compression springs, a rotating disc is rotationally installed on the upper end face of each inserting block through a bearing, and a clamping base is fixed to the upper end face of each rotating disc. According to the fan blade, the fan blade and the clamping base can be conveniently installed, meanwhile, the rubber mat on the inner wal