Force transfer structure of main rotor and unmanned aerial vehicle

The utility model relates to the technical field of unmanned aerial vehicles, and discloses an unmanned aerial vehicle which comprises an unmanned aerial vehicle body and a force transmission structure, and a motor in the unmanned aerial vehicle body is connected with a main shaft. The utility model further discloses a force transmission structure of the main rotor wing, the force transmission structure comprises the main shaft and the propeller hub, a connecting hole is vertically formed in the center of the propeller hub, an inverted conical groove is formed in the upper portion of the center of the propeller hub, the main shaft penetrates through the connecting hole and the conical groove, an end cover is installed at the upper end of the propeller hub, an inverted conical sleeve is arranged at the lower end of the end cover, and the main shaft is sleeved with the conical sleeve. The inner wall of the conical sleeve abuts against the main shaft, the conical sleeve is inserted into the conical groove, the o