Pneumatic control valve with protection structure

The utility model discloses a pneumatic control valve with a protection structure, which belongs to the field of pneumatic control valves and comprises a valve body, a frame is mounted at the upper end of the valve body, a pneumatic actuator is mounted at the upper end of the frame, a valve rod is mounted on the valve body, the frame and the pneumatic actuator, two protection devices are symmetrically mounted on the frame and sleeved on the valve rod, and the pneumatic actuator is mounted on the frame. The protection device is composed of a mounting base ring, two mounting base rods, eight arc-shaped mounting plates, mounting guide rods, an anti-falling baffle, supporting balls and an annular spring, the two mounting base rods are symmetrically mounted on the outer wall of the mounting base ring, and the eight arc-shaped mounting plates are mounted on the inner side of the mounting base ring in an annular array mode; according to the pneumatic control valve, the sixteen mounting guide rods are symmetrically m