| 摘要 |
<p>A welding torch includes a tubular power supply collet (6) having a slot formed at the distal end and supplying power to a welding wire to be inserted thereinto, a collet case (7) containing the power supply collet (6) and having an abutment portion abutting on the distal end of the power supply collet (6), a flexible inner tube (4) for guiding the welding wire to the power supply collet (6), a torch body (3) into which the inner tube (4) is inserted and provided, at the distal end thereof, with the collet case (7) removably, and a spring (5) for pressing the power supply collet (6) in the distal end direction of the welding wire wherein a tapered face is provided in at least one of the distal end of the power supply collet (6) and the abutment portion of the collet case (7). It is applicable to a curved torch with a simple structure.</p> |
