| 摘要 |
The purpose of the present invention is to provide an optical sensor unit that has a simple structure and does not reduce detection accuracy. An optical sensor unit for detecting, using a light-receiving element (4) mounted on a mounting substrate (3), reflected light from a detection region set outside a unit case (1), the detection light being projected outside the unit case (1) from a light-emitting element (2) accommodated inside the unit case (1), the pass-through space for the reflected light inside the unit case (1) being separated from another space inside the unit case (1) by a partition member (6) layered with a ring-shaped packing (5) formed on the mounting substrate using an elastic material surrounding the light-receiving element (4), and the partition member (6) being provided with a pressing wall (7) pressing on the outer peripheral wall of the ring-shaped packing (5) during layering on the mounting substrate (3), and imparting a pressing force on the mounting substrate (3) accompanying the component force in the compression direction on the ring-shaped packing (5). |
