Sampling device for double cigarette outlet channels of cigarette packet

The invention belongs to the technical field of cigarette packaging, and particularly relates to a cigarette packet double-smoke-outlet-channel sampling device which comprises a sliding plate installed on the back faces of smoke outlet channels in a sliding mode, a push rod, a connecting rod, a rotating block, a ratchet mechanism and a pulling block are arranged in an outer cover, a through hole is formed in the sliding plate, the push rod is arranged in the through hole in a penetrating mode, and the rear end of the push rod is hinged to the connecting rod. The hinge rod is parallel to the central axis of the mounting column and does not coincide with the central axis of the mounting column, a connecting column is rotationally mounted on the mounting column, the mounting column is sleeved with a torsional spring, the two ends of the torsional spring are connected with the mounting column and the connecting column respectively, the ratchet mechanism comprises an inner ring and an outer ring, the inner ring is