Smoke gun sampling pipe assembly convenient to overhaul

The utility model discloses a smoke gun sampling tube assembly convenient to overhaul, which relates to the technical field of sampling smoke guns and comprises a smoke detector, a heating sampling tube is mounted on one side of the smoke detector, a filter cavity is fixedly mounted at the other end of the heating sampling tube, a clamping cap is clamped and sleeved at the other end of the filter cavity, and a sampling elbow is movably sleeved in the clamping cap. One end, far away from the clamping cap, of the sampling elbow is in threaded connection with a sampling nozzle, a filter cartridge is placed in the filter cavity, and one ends, far away from the smoke detector, of the two pitot tubes are movably sleeved with the front ends of the pitot tubes. The sampling elbow is fixed by clamping connection of the clamping cap and the filter cavity, so that the sampling elbow is convenient to overhaul and replace, the filter cartridge can be replaced, and the front end of the pitot tube is convenient to overhaul