Sampling device of screwed clamping type ambient air particulate matter storage piece

The utility model discloses a screwing clamping type sampling device of an ambient air particulate matter storage piece, which belongs to the technical field of air particulate matter sampling, and is characterized by comprising a collecting box, the upper end face of the collecting box is fixedly connected with a dust collecting pipe, and the left side of the outer wall of the dust collecting pipe is communicated with a dust suction pipe. A new sampling film is attached to the inner side of a mounting frame, then the mounting frame is placed in an outer cylinder from the upper end, the whole outer cylinder is further plugged from a through opening in the bottom of a collecting box, then the whole outer cylinder is screwed through a screwing plate to rotate, an external thread on the outer wall of a connecting base is in threaded connection with the through opening, and therefore the whole collecting device is screwed and clamped; the environment air particulate matter sampling device is simple in structure,