| 摘要 |
PROBLEM TO BE SOLVED: To provide a sounder casing structure capable of preventing sounder rupture or function damage caused by water deposition.SOLUTION: In a sounder casing structure comprising a base 2 including a partition wall 6 for partitioning into a first space 16 and a second space 17, a case 4 defining a side of the first space 16 in the base 2, and a cover 3 defining a side of the second space 17 in the base 2, a frame body 7 is provided on the partition wall 6 for fixing an outer peripheral part of a sounder 5 so as to protrude from a sounding plane of the sounder 5 to a side of the second space 17 on the partition wall 6, a shield wall 8 is provided via a groove 9 outside of an outer peripheral surface of the frame body 7 and a shield plate 10 is provided, inside of the shield wall 8, at a position where a void is generated between the frame body 7 and the shield wall 8. |
