Burner body comprising a securing system; TIG welding torch comprising such a burner body

A torch body with a securing system of a TIG welding torch for detachably securing the torch body of the TIG welding torch to a torch handle and for transmitting at least the media gas and current, the securing system comprising a cylindrical plug-in element connected to the torch body and a coupling connected to the torch handle, said coupling detachably receiving the plug-in element, wherein the plug-in element comprises a gas element and a current element and an interposed securing element including a flat area, a circumferential groove and a web, wherein the gas element has a diameter smaller than those of the securing element and the current element, and wherein the coupling comprises a gas bore and a fixing element, via which fixing element the securing element with the flat area can be guided into a plugged-together state until the gas element is sealingly arranged in the gas bore of the coupling, wherein, in the plugged-together state, the plug-in element is adjustably rotatable relative to the coupling, with the fixing element being guided in the groove of the plug-in element and wherein in the plugged-together state, the plug-in element is adjustably rotatable relative to the coupling of the securing system.