Sample taking-out device for impact test low-temperature instrument

The utility model belongs to the technical field of low-temperature instruments, and particularly relates to a sample taking-out device for an impact test low-temperature instrument, which comprises a low-temperature instrument shell and a vertical plate mounted on one side of the top of the low-temperature instrument shell, a height adjusting mechanism is arranged on the vertical plate and connected with a top plate, and adjusting plates are arranged on two sides of the bottom of the top plate. Clamping blocks are welded to the opposite sides of the lower ends of the two adjusting plates correspondingly, a movable groove is formed in one side of the top plate, the upper end of one adjusting plate extends into the movable groove, and mounting blocks are welded to the side walls of the lower ends of the adjusting plates located on the side faces of springs and the two ends, provided with springs, of one side of the inner wall of the movable groove; one side face of the mounting block is rotationally connected