Adjustable CCD camera protection device

The invention relates to the technical field of camera protection devices, in particular to an adjustable CCD camera protection device. Comprising an upper cover, a lower frame, an outer ring, a pressing block, explosion-proof glass and a vertical rod, the upper cover is fixed to the lower frame through bolts, a seamless hollow pipe is welded to the lower edge of the lower frame, the explosion-proof glass is arranged on the inner diameter of the outer ring, one end face of the outer ring is fixedly connected with the lower frame through bolts, and the other end face of the outer ring is fixedly connected with the pressing block through bolts; the outer diameter of one end face of the pressing block is embedded into an inner hole of the outer ring to fix the explosion-proof glass, and the outer diameter of the other end face is fixedly connected with the outer ring through a bolt. The vertical rod is of an L-shaped rod-shaped structure, the transverse end of the vertical rod is inserted into an inner hole of t