Operation window of atomic absorption spectrophotometer

The utility model relates to the technical field of element detection, in particular to an operation window of an atomic absorption spectrophotometer, which comprises a main body, a baffle plate is rotatably connected to the inner side of the main body, a clamping strip is fixedly connected to the outer side of the baffle plate, and rotating blocks are fixedly connected to two sides of the lower end face of the main body. An inner rotating plate is rotationally connected between the outer end faces of the rotating blocks, an outer rotating plate is arranged on the outer side of the inner rotating plate, sinking grooves are formed in the inner sides of the inner rotating plate and the outer rotating plate, groove positions communicate with the inner sides of the sinking grooves, rotating pieces are installed between the inner rotating plate and the outer rotating plate, clamping grooves are formed in the inner sides of the inner rotating plate and the outer rotating plate, and the clamping grooves are communic