Dust-proof structure for measuring tool

摘要

A dust-proof structure for a measuring tool, includes: a case (10) provided with an opening formed through a surface opposed to a protection plate (12) thereof; a solar panel (20) accommodated in the case (10) through the opening of the case (10); an intermediate panel (30) pressing an outer circumferential portion of the solar panel (20) against a bottom wall of the case (10); a display device (40) disposed at an inward portion of the intermediate panel (30) and opposed to the solar panel (20) with a gap (42); a cover (60) attached to close the opening of the case (10); a screw used to secure the cover (60) and the intermediate panel (30) to the case (10); and a temporary-fixing unit (39) disposed between the intermediate panel (30) and the case (10), the temporary-fixing unit (39) temporarily fixing the intermediate panel (30) to the case (10) while the outer circumferential portion of the solar panel (20) is pressed against the bottom wall of the case (10).