Heat gun having flow guiding arrangement

A heat gun having a flow guiding arrangement, the heat gun comprising:

• a main body,
• a heating element inside the main body, the heating element being configured to generate hot air, and
• a hot air tube from which the hot air generated by the heating element is expelled out, wherein:
• the heating element comprises:
• a heating core disposed in the hot air tube, the heating core comprising a mounting bracket and a heating filament disposed on the mounting bracket,
• a venting cavity, and
• a heating cavity,
• the venting cavity and the heating cavity run through the mounting bracket,
• the heating cavity surrounds the venting cavity,
• the heating filament is in the heating cavity,
• the flow guiding arrangement is at an end of the mounting bracket facing an air outlet of the hot air tube,
• a plurality of air guiding passages are obliquely provided on the flow guiding arrangement, the plurality of air guiding passages being arranged about a center of the flow guiding arrangement,
• a mixing cavity is in the hot air tube, the mixing cavity being disposed between the flow guiding arrangement and the air outlet of the hot air tube,
• the mounting bracket comprises a central column and a sleeve sleeved outside the central column,
• the venting cavity runs through the central column axially,
• the heating cavity is between the sleeve and the central column,
• the venting cavity is aligned with the air guiding passages,
• the heating cavity has an outer diameter that is larger than an outer diameter of the flow guiding arrangement, and
• the air guiding passages are configured to cause a direction of air entering the mixing cavity from the venting cavity to be non-parallel to a direction of air that enters the mixing cavity directly from the heating cavity without come through the air guiding passages.