Photochemical reaction xenon lamp box with convenient shading device

The utility model relates to a photochemical reaction xenon lamp box with a convenient shading device, which belongs to the technical field of photochemical experiments and comprises a lamp box body, a sliding rail, a sliding base, a fixed handle and a metal shading plate, the sliding rail, the sliding base, the fixed handle and the metal shading plate are mounted on the lamp box body, and a light through hole with a fixed height is arranged on the side wall of the lamp box body and corresponds to the sliding rail. The metal shading plate is installed on the sliding base and moves along with the sliding base, the sliding base is further provided with a fixed handle so that the sliding base and the metal shading plate can be moved conveniently, and sliding stopping blocking pieces are arranged at the two ends of the sliding rail and used for preventing the sliding base from being separated from the sliding rail. The experiment operation is more convenient, and the metal shading plate and the fixed handle can b