Stroke feedback mechanism of electric actuator

The utility model provides a stroke feedback mechanism of an electric actuator. The stroke feedback mechanism comprises a large disc tooth, an electric turbine, a disc tooth meshing pinion, a middle rotating shaft and an encoder pinion. The large disc tooth is installed outside the middle of the output shaft, the electric turbine is installed outside the middle of the large disc tooth, the disc tooth meshing pinion is in tooth motion connection to the right side of the lower end face of the large disc tooth, the disc tooth meshing pinion is installed at the front end of the middle rotating shaft, and the tail end pinion is installed at the rear end of the middle rotating shaft. The encoder pinion is in gear connection with the rear side of the tail end pinion, and the encoder pinion is installed on the front side of the encoder. According to the utility model, the design of the large disc gear adopts an end face crown-shaped gear structure, when the large disc gear is meshed with the pinion, the large disc ge