Purification return air inlet

The utility model discloses a purification return air inlet, which comprises an outer frame body assembly with a ventilation opening and an inner frame body assembly, the bottom of the outer frame body assembly is provided with an installation opening used for installing the inner frame body assembl...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DOU JINGBO, DOU YONGSHEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES DISINFECTION, STERILISATION, OR DEODORISATION OF AIR HEATING HUMAN NECESSITIES HYGIENE LIGHTING MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MECHANICAL ENGINEERING MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL RANGES VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a purification return air inlet, which comprises an outer frame body assembly with a ventilation opening and an inner frame body assembly, the bottom of the outer frame body assembly is provided with an installation opening used for installing the inner frame body assembly, and one side of the inner frame body assembly is hinged with one side of the installation opening in an overturning manner through a hinge piece. The free end of the inner frame assembly is fixed to the other side of the mounting opening through a positioning mechanism, the positioning mechanism comprises a positioning plate fixed to the side wall of the inner frame assembly, straight plates are arranged at the two ends of the positioning plate, penetrating holes are formed in the straight plates, a locking rod is arranged between the penetrating holes, and the locking rod is connected with the positioning plate. A limiting plate is arranged on the side, close to the top end of the locking rod, of the locking ro