Noise absorption sheet

The utility model discloses a noise absorption sheet which comprises a fixing frame, a through groove is formed in the surface of the middle of the fixing frame, an activated carbon layer is fixedly connected to the interior of the through groove, and a first sound absorption sheet is fixedly connec...

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Bibliographic Details
Main Author XIE GUANGGUI
Format Patent
LanguageChinese
English
Published 29.12.2020
Subjects
BUILDING
CEILINGS
FIXED CONSTRUCTIONS
FLOORS
GENERAL BUILDING CONSTRUCTIONS
INSULATION OR OTHER PROTECTION OF BUILDINGS
ROOFS
WALLS, e.g. PARTITIONS
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Summary:The utility model discloses a noise absorption sheet which comprises a fixing frame, a through groove is formed in the surface of the middle of the fixing frame, an activated carbon layer is fixedly connected to the interior of the through groove, and a first sound absorption sheet is fixedly connected to one end of the activated carbon layer. The noise absorption piece has the beneficial effectsthat the noise absorption piece can be spliced up and down through the first connecting block and the first connecting groove, and can be spliced left and right through the second connecting block andthe second connecting groove; through the first rotating shaft, the second rotating shaft and the third rotating shaft, when the noise absorption piece is installed at the wall corner and the top endof a wall, the first connecting block, the second connecting block and the fixing block at the end opposite to the wall corner are retracted into the corresponding grooves through rotation of the rotating shafts, and certain i
Bibliography:Application Number: CN202020377975U