| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a battery case capable of joining a cover member with a tray member with ease and of securing waterproofness.SOLUTION: A battery case comprises: a tray member 10 supporting a battery; a cover member 20 fixed to the tray member 10 by being stacked on the tray member 10; and a gasket 30 interposed between the tray member 10 and the cover member 20. The cover member 20 has a positioning pin 25 provided in the vicinity of the gasket 30 so as to protrude in a joining direction of the cover member 20 and the tray member 10. The tray member 10 has a positioning hole 15 bored in the joining direction and into which the positioning pin 25 is inserted. The positioning pin 25 is set to have such a length that, at stacking the cover member 20 on the tray member 10, the positioning pin 25 enters into the positioning hole 15 before the gasket 30 arranged in an annular groove part 13 formed to any one of the tray member 10 and the cover member 20 is brought into contact with both the cover member 20 and the tray member 10.</p> |
