Electric welding shield shading mirror controlled by lower jaw

The utility model provides an electrowelding mask which has lower mandible controlled light shade glass. The electrowelding mask is an improvement from the basis of the prior mask and the light shade glass, namely, a supporting frame upper seat is fixed just below the mask; a connecting piece main provided with a main handspike and a long supporting rod penetrates through the upper seat and the lower seat of the supporting frame and is fixed by bolts; a T-shaped rod is arranged below the back side of the mask and is movably connected on the fixed seat at the rear end of a lever through nuts; nuts and screw bolts which can adjust the swing of the T-shaped rod are arranged below the fixed seat; the lever is connected with a movable connecting piece through the connecting piece, the main handspike and a frame angle adjusting pull rod; and the connecting piece is connected with the connecting light shade glass at the side of the frame and the fixed Z-shaped iron sheet of the bolt. The electrowelding mask has the