Sound insulation structure and its manufacturing method

摘要

Problem to be solved: to provide a sound insulation structure having high sound insulation performance and a method of manufacturing the same in a sound sensitive region of human being.Solution: the sound insulation structure 1 is provided with a plurality of core members 20, 20 disposed adjacent to each other in the sound insulation surface 11 of the plate member 10.The core member 20 is made of a rectangular thin plate member 21 formed in a cylindrical shape, and one end in the axial direction of the core member 20 is bonded to the sound insulation surface 11 of the plate member 10, and the adjacent core members 20 and 20 are mutually slidable at the side wall portion 22.Diagram