Can reduce hot -blast welder of tuber pipe temperature

The utility model discloses a can reduce hot -blast welder of tuber pipe temperature, including casing, motor, impeller, heating portion and switching power supply group spare, the casing including handheld portion and impeller part, heating portion include the hot -blast main, generate heat core and thermal -insulated pipe, impeller part's the terminal surface of keeping away from one side of handheld portion is equipped with the air outlet, hot -blast main and air outlet intercommunication, thermal -insulated pipe box dress form thermal -insulated gap between the inner wall of thermal -insulated pipe and the outer wall of hot -blast main outside the hot -blast main, thermal -insulated gap communicates with the air outlet. The utility model discloses outside the hot -blast main suit thermal -insulated pipe, be equipped with thermal -insulated gap between thermal -insulated pipe and the hot -blast main, prevent that during operation user of service from directly touching the hot -blastmain and leading to the