Control substrate fixing device with clamping protection structure

The utility model discloses a control substrate fixing device with a clamping protection structure, which comprises a bottom plate and balls, and two sides of the upper surface of the bottom plate are respectively provided with a side plate; and the balls are movably installed in one sides of the top ends of the side plates, one sides of the balls are connected with rotating arms, the ends, away from the balls, of the rotating arms are rotationally connected with rotating bases, and the other sides of the rotating bases are connected with butt joint strips. According to the control base plate fixing device with the clamping protection structure, after a control base plate is installed between two latex clamping strips, a spring can reset, when the spring resets, a connecting strip can be driven to move, when the connecting strip moves, a rotating seat can be driven to move, and when the rotating seat moves, a rotating arm can be straightened; in this way, the butt joint strip can move through the connecting s