Heavy metal soil sampler

The utility model discloses a heavy metal soil sampler which comprises a sampler body, a partition plate is fixedly connected to the interior of the sampler body, an electric push rod is fixedly connected to the outer wall of the partition plate, a mounting plate is fixedly connected to the outer wall of the output end of the electric push rod, and two connecting blocks are fixedly connected to the outer wall of the mounting plate. The outer wall of the mounting plate is fixedly connected with an annular block through a bolt, the inner wall of the annular block is fixedly connected with a thread sleeve, and the inner wall of the thread sleeve is in threaded connection with an extension pipe. By arranging the electric push rod, the mounting plate, the connecting block, the strip-shaped groove, the annular block, the threaded sleeve, the extension pipe and the drill bit, the mounting plate and the connecting block assist the drill bit in moving downwards and slowly extending into the ground, the stability of th