| 摘要 |
PURPOSE: A device for fastening the torch of a multi-functional arc welding machine is intended to provide an interface, which enables selective supply of power, gas and welding rod wires from the body of an arc welding machine to torch. CONSTITUTION: A device for fastening the torch of a multi-functional arc welding machine comprises a connector(7) and a multi-functional adapter. For the connector, a supply pipe receiving at least one of welding rod wires and gas is formed on the central part of a conductive trapezoidal cylinder. For a conductive inserting unit, a tightening wrench where a length exposed into the supply pipe is controlled is formed on the end of the trapezoidal cylinder. A locking cap is rotatably coupled to the conductive inserting unit. The multi-functional adapter comprises a conductive holder where there are a trapezoidal cylindrical torch inserting hole and a wire inserting hole.
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