Comprehensive sample observation box

The utility model discloses a comprehensive sample observation box. The device comprises an observation platform, a support frame, an observation box and an observation window, a door body is hinged to one side of the observation box, an observation window is fixed to the outer side of the door body, a control panel is installed below the observation window, an observation platform is hinged to the top end of the supporting frame, sliding rails are evenly arranged at the top end of the observation platform, and lamp holders are evenly fixed to the top ends of the side walls in the observationbox. According to the utility model, the first right-angle gear, the second right-angle gear, the transverse shaft and the hand wheel are arranged; hand wheel capable of being rotated manually, the second right-angle gear drives the first right-angle gear to rotate; meanwhile, the hydraulic telescopic rod is installed between the supporting frame and the observation platform, so that inclination of the observation platfor