Double-turning protective glass type protective cover

The utility model discloses a double-turning protective glass type protective cover which comprises an insulating mask, an observation hole is formed in the upper end of the insulating mask, a visualglass frame is fixedly connected to the outer side of the observation hole, an inner lens groove is formed in the outer side of the visual glass frame, and a transparent head-up lens is installed on the inner side of the inner lens groove. The upper end of the visual glasses frame is movably connected with a first hinge, the upper end of the first hinge is movably connected with a flip glasses frame, an outer lens groove is formed in the outer side of the flip glasses frame, an ink color head-up lens is installed on the inner side of the outer lens groove, and a breathing hole is formed in thelower end of the insulating mask. According to the double-turning protective glass type protective cover, a user can flexibly adjust the using function under different illumination conditions throughdifferent lenses, the hand