Fixing frame for firefighting air breather

The invention relates to the technical field of air breather, in particular to a fixing frame for a firefighting air breather; the fixing frame for the firefighting air breather comprises a fixing frame main body, a base and a headrest; the headrest is rotationally connected with the upper part of the fixing frame main body through the headrest installation seat up and down; the fixing frame further comprises an upper cross bracing, an upper backrest, a lower cross bracing and a lower backrest for fixing and supporting a gas cylinder between the headrest and the base from top to bottom; the upper cross bracing is connected with the headrest installation seat and can move up and down and back and forth, the lower cross bracing is connected with the fixing frame main body and can move up anddown and back and forth, and the upper backrest can be expanded and unfolded; the fixing frame further comprises a safety belt fixing plate arranged on the fixing frame main body and a link mechanismpositioned at one side of