Sound insulation building ventilation device
The utility model discloses a sound insulation building ventilation device which is fixedly installed on a wall of a building and comprises a ventilation barrel, one end of the ventilation barrel penetrates through the wall and is connected with an air inlet assembly in a sleeved mode, an installati...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a sound insulation building ventilation device which is fixedly installed on a wall of a building and comprises a ventilation barrel, one end of the ventilation barrel penetrates through the wall and is connected with an air inlet assembly in a sleeved mode, an installation hole is formed in the side wall of the ventilation barrel, the installation hole is fixedly connected and communicated with an installation box, and the installation box is fixedly connected with the wall through a connecting rod. A power assembly for actively exhausting air is arranged in an inner cavity of the mounting box, the other end of the air funnel is fixedly connected and communicated with a flexible air outlet pipe, reversing assemblies for changing the angle of an air outlet of the air outlet pipe are arranged on the two sides of the air outlet pipe, and the reversing assemblies are fixedly connected with the air funnel; the mounting box is arranged outside a wall; a sound-absorbing cushion layer is |
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