Portable automatic atmosphere sampling instrument

The utility model relates to the technical field of sampling. The utility model further discloses a portable automatic atmosphere sampling instrument. Including a housing, a handle is fixedly mountedat the top of the shell; clamping blocks are fixedly mounted on the left side and the right side of the shell; a mounting block is fixedly mounted at the bottom of the shell; four movable rods extending to the lower part of the mounting block are movably mounted in the mounting block; first connecting rods are movably mounted at the bottoms of the four movable rods; limiting rods which penetrate through the movable rods and extend into the mounting blocks are fixedly mounted at the tops of the four first connecting rods; and second connecting rods are hinged to the bottoms of the four first connecting rods correspondingly, connecting blocks are fixedly mounted on the left sides and the right sides of the first connecting rods correspondingly, and first fixing rods are movably mounted on the outer portions of the c