Air collecting port opening and closing device of air detector and air detector

The utility model discloses a gas collection port opening and closing device of an air detector, the air detector comprises a shell, a gas collection port arranged on the surface of the shell and a cover plate arranged at the gas collection port, the gas collection port opening and closing device is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TIAN XIAOMING, HUAN SUMING, FU YONGKAI, SUN GANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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Beschreibung
Zusammenfassung:	The utility model discloses a gas collection port opening and closing device of an air detector, the air detector comprises a shell, a gas collection port arranged on the surface of the shell and a cover plate arranged at the gas collection port, the gas collection port opening and closing device is arranged in the shell, and the gas collection port opening and closing device comprises a motor, a connecting rod mechanism and a transmission part, one end of the connecting rod mechanism is connected with the motor, the other end of the connecting rod mechanism is connected with the transmission part, and the transmission part is used for being connected with the cover plate to drive the cover plate to open and close the gas collection opening. According to the air collection port opening and closing device, the connecting rod mechanism and the transmission part are driven by the motor, the cover plate is driven by the transmission part to be opened and closed relative to the air collection port, automatic openi