To provide a soundproofing structure that can improve sound insulation and reduce thickness.SOLUTION: An embodiment of the present invention includes: a soundproofing material 10 comprising a sheet 11 having elasticity, a support portion 12 supporting the sheet 11 and dividing the sheet 11 into compartments; and holding members 20 holding the soundproofing material 10, where ten-point average roughness (RzJIS) of a contact surface of the support portion 12 with the sheet 11 is in the range of 20 μm or more to 200 μm or less, and the soundproofing material 10 is pressed between the holding members 20 under pressure greater than atmospheric pressure.SELECTED DRAWING: Figure 1
【課題】遮音性の向上および薄型化が図れる防音構造体を提供すること。【解決手段】弾性を有するシート11と、シート11を支持するとともにシート11を区画部に区画する支持部12と、を有する防音材10と、防音材10を挟持する挟持部材20と、を備え、支持部12のシート11との接触面の十点平均粗さ(RzJIS)が20μm以上200μm以下の範囲であり、防音材10は、挟持部材20に挟持されて大気圧より大きい圧力で加圧されている。【選択図】図1
SOUNDPROOFING STRUCTURE
防音構造体
2023-06-28
Patent
Electronic Resource
Japanese