Blade locking type motor shaft with high stability

The utility model belongs to the technical field of motor shaft equipment, and particularly relates to a blade locking type motor shaft with high stability, which comprises a shaft center, a shaft sleeve arranged at the lower end of the outer side wall of the shaft center, and a gear shaft arranged at the upper end of the shaft center, a threaded shaft arranged at the upper end of the gear shaft, and a gear ring arranged on the outer side wall of the gear shaft, the gear shaft is connected with the gear ring in a sleeved mode, a gear groove is formed in the gear ring, a connecting block is arranged on the outer side wall of the gear ring and fixedly welded to the gear ring, a fan-shaped blade is arranged at the end, away from the gear ring, of the connecting block, a screwing cap is arranged at the upper end of the gear ring and rotationally connected with the threaded shaft according to threads, and a threaded groove is formed in the screwing cap. According to the utility model, the gear shaft, the gear ring