| 主权项 |
1. A gas hot air gun head comprising:
a fuel supply device engagable with a gas reservoir and having a fluid inlet end, a fluid outlet end and a channel extending from the fluid inlet end to the fluid outlet end; and a flow-guiding device including a combustor and an inner barrel, with the combustor connecting to the fluid outlet end of the fuel supply device, with the inner barrel having a first end connecting to the combustor and a second end including a plurality of annular fins, with the plurality of annular fins disposed radially with respect to a center of the inner barrel, with the plurality of annular fins disposed adjacent to each other in a circumferential direction of the inner barrel, with each of the plurality of annular fins including a first lateral edge and a second lateral edge and having a circumferential dimension measuring from the first lateral edge to the second lateral edge, with the first and second lateral edges of each of the plurality of annular fins radially spaced from the center of the inner barrel with first and second radial distances respectively, with the second radial distance being shorter than the first radial distance. |
