Deformable four-rotor unmanned aerial vehicle propeller retainer

The utility model discloses a deformable four-rotor unmanned aerial vehicle propeller retainer, and relates to the technical field of four-rotor unmanned aerial vehicles. Comprising a main body, a steering engine is fixedly connected to the outer wall of the bottom of the main body, a spline is arranged on the outer wall of the steering engine, a connecting rod is rotationally connected to the outer wall of the spline, a steering engine rocker arm is rotationally connected to the end, away from the spline, of the connecting rod, a transmission rod is rotationally connected to the inner wall of the steering engine rocker arm, and a supporting rod is fixedly connected to the outer wall of the transmission rod; the end, away from the transmission rod, of the supporting rod is fixedly connected with a paddle protection ring. A support is fixedly connected to the outer wall of the main body, a fixing assembly is fixedly connected to the outer wall of the support, and a four-rotor motor is fixedly connected to the