Built-in battery dust removing box for electric air supplying type dustproof mask

The utility model belongs to the field of a dustproof mask, and particularly relates to a built-in battery dust removing box for an electric air supplying type dustproof mask. The built-in battery dust removing box comprises a cylindrical middle frame (22) made of engineering plastics, wherein a battery fixing support frame (24) is arranged in the middle frame (22) in a matched way, a section of alkaline dry battery (26) is respectively and longitudinally arranged at the two sides inside the battery fixing support frame (24), the two end surfaces of the middle frame (22) are respectively provided with dust filtering sheets (25), one end surface of the middle frame (22) is provided with an external front cover (23), the other end surface of the middle frame ((22) is provided with a built-in back cover (21), a switch press button (27) is arranged on the peripheral wall of the middle frame (22), and the switch press button (27) is positioned on a symmetrical axis line of the two sections of batteries (26). The built-in battery dust removing box has the advantages that the design is reasonable, and in the field of individual protection instruments, a particulate matter prevention electric air supply respirator adopting a built-in battery structure and having low dynamic respiration resistance is invented according to market requirements.