SOUND INSULATION COVER, SOUND INSULATION DEVICE, INSTALLATION STRUCTURE OF WIRING ACCESSORY AND INSTALLATION METHOD OF WIRING ACCESSORY

摘要

To provide a sound insulation cover installable on a wall material having through-holes, and reliably closing the through-holes.SOLUTION: A sound insulation cover 110 comprises a cover body 111 having a bottom wall 111a and a side wall 111b using a sound insulation material and formed in a bottomed box shape. The cover body 111 comprises an opening 112 opened at a front face facing the bottom wall 111a, a housing part 113 for housing a wiring accessory fixture 120, an abutting part 114 extended along an outer periphery of the opening 112 and abutting on a wall rear face at the front face, and a gripped part 115 gripped together with a wall material 11 by a wiring accessory 13 and the wiring accessory fixture 120, when the wiring accessory 13 is fixed to the wiring accessory fixture 120.SELECTED DRAWING: Figure 1