Automatic door closing device

The invention discloses an automatic door closing device which comprises a fixed seat, one end of the fixed seat is fixed, an elastic clamping piece is arranged on the fixed seat, the fixed end of the elastic clamping piece is fixedly connected with the fixed seat, a magnetic attraction piece is arr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FU ZHE, WANG YINGJIE, YANG SHUFENG, FU XIAOLI, ZHANG WEIJIE, CHE JIANGNING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS CHECKS FOR WINGS DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION FIXED CONSTRUCTIONS KEYS LOCKS SAFES WINDOW OR DOOR FITTINGS WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING
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Beschreibung
Zusammenfassung:	The invention discloses an automatic door closing device which comprises a fixed seat, one end of the fixed seat is fixed, an elastic clamping piece is arranged on the fixed seat, the fixed end of the elastic clamping piece is fixedly connected with the fixed seat, a magnetic attraction piece is arranged in the fixed seat, and the movable end of the elastic clamping piece moves through the magnetic attraction piece; the pop-up cylinder is arranged on the fixed seat in a sleeving manner and corresponds to the door, and the inner wall of the pop-up cylinder is detachably connected with the movable end of the elastic clamping piece through a magnetic attraction piece; and the control piece is arranged in the fixed seat and is used for sensing the indoor temperature and driving the magnetic attraction piece. The automatic door closing device provided by the invention can be used as a door stopper in a normal state, and when the automatic door closing device works, the controller is triggered to work after the ext