Welding torch

The utility model discloses a welding torch which comprises a welding nozzle, a welding torch pipe, a handle, an adjusting valve and air inlet pipes. A corrugated pipe is arranged between one end of the welding torch pipe and the welding nozzle, and the two ends of the corrugated pipe are connected with one end of the welding torch pipe and the welding nozzle respectively in a sleeving mode. The welding nozzle with changeable angles is arranged, the angle of a welding spot corresponding to the welding nozzle can be easily and conveniently adjusted according to different welding postures, and dead angles do not exist in the welding process. The corrugated pipe is made of stainless steel and is resistant to the high temperature and corrosion, high in plasticity and good in toughness, boss-like type sleeved connection is adopted in the two ends of the corrugated pipe, the connection mode of additionally arranging a welding layer is adopted, the connection strength is high, and the sealing performance is good.