| 摘要 |
PURPOSE: A cabin waterproofing device is provided to receive air capable of ventilating a cabin even in the slow ventilating speed, thereby contributing to a deluxe cabin. CONSTITUTION: A cabin waterproofing device includes a ventilation part (10), a first sound insulation wall (20), and a second sound insulation wall (30). A ventilation passage of the ventilation unit exhausting air of a cabin is formed in a space between the floor of the cabin, in which a toilet is partitioned, and the floor of the toilet. The first sound insulation wall is installed in the center of the ventilation passage so that openings (22) are formed on both sides of the ventilation passage. The second sound insulation wall is installed on the center of the ventilation passage so that an opening (32) is formed on the center of the ventilation passage. Each of the first and second sound insulation walls includes first and second metal sheets and a core layer. The first and second metal sheets are arranged on the front and rear sides of the insulation wall to form a frame of the insulation wall. The core layer is formed as a sound insulating structure between the first and second metal sheets. |
