Adjustable shutter air port

The utility model provides an adjustable shutter air port which comprises a supporting frame, an adjusting assembly and a cleaning assembly. The inner side of the supporting frame is rotationally connected with a first positioning rod. The adjusting assembly is arranged at one end of the first posit...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LI JIAJU, WANG LING, FENG QINGQUAN, FENG QINGCHAO, ZHANG MIFANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING CLEANING CLEANING IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PREVENTION OF FOULING IN GENERAL RANGES TRANSPORTING VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	The utility model provides an adjustable shutter air port which comprises a supporting frame, an adjusting assembly and a cleaning assembly. The inner side of the supporting frame is rotationally connected with a first positioning rod. The adjusting assembly is arranged at one end of the first positioning rod and comprises a blade, a second positioning rod, a worm gear and a worm, the blade is fixedly connected to one end of the first positioning rod, the second positioning rod is fixedly connected to the side, away from the first positioning rod, of the blade, and the worm gear is fixedly connected to the end, away from the blade, of the second positioning rod. The outer side of the worm gear is connected with a worm in a meshed mode. The cleaning assembly is arranged on one side of the blades. The adjustable shutter air port solves the problems that after an existing shutter air port is used for a long time, dust can be accumulated on blades, the air port is prone to being blocked, the respiratory tract hea