| 摘要 |
PROBLEM TO BE SOLVED: To improve sealability by making a sealing pressure between a lid and a body of a waterproof box uniform. SOLUTION: A sealing structure comprises a lid 3 including one of locking means 4a on one of opposite sides A and with a peripheral groove cut with a circular packing fitted to a lower end and a body 2 including the other locking means 4b provided on an opposite side (a) so that it can be locked with the locking means on the lid side, wherein an opening periphery 2a of the body forms a swollen part 2b gradually increasing in height like an arch from both ends toward a center part along the other opposite side (b). |
