| 摘要 |
PROBLEM TO BE SOLVED: To avoid the enlargement of a connector.SOLUTION: In a hood portion 61 of a second housing 60, a resonant chamber 30 is provided within a wall of a part struck by a lock arm 17 of a first housing 10 when the first and second housings 10 and 60 are normally fitted. On an inner peripheral surface of the hood portion 61, a stepped portion 66 for dividing the resonant chamber 30 is provided. On the inner peripheral surface of the hood portion 61, at a part on a deep side behind the stepped portion 66 at which the resonant chamber 30 is positioned, bulges inward from a part on an opening side. At the part on the opening side on the inner peripheral surface of the hood portion 61, a seal surface 69 to which a seal ring 90 is stuck when the first and second housings 10 and 60 are normally fitted, is provided. |
