Door magnetic alarm

The utility model discloses a door magnetic alarm, and relates to the technical field of alarms, the door magnetic alarm comprises an alarm body, the outer walls of the two sides of the alarm body are both provided with mounting mechanisms, each mounting mechanism comprises a fixing plate, and the f...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LI WEIYANG, WANG FEI, LU RIMING, WU WUMING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALARM SYSTEMS BLASTING ENGINEERING ELEMENTS AND UNITS FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS STANDS OR SUPPORTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a door magnetic alarm, and relates to the technical field of alarms, the door magnetic alarm comprises an alarm body, the outer walls of the two sides of the alarm body are both provided with mounting mechanisms, each mounting mechanism comprises a fixing plate, and the fixing plates are fixedly installed on the outer wall of one side of the alarm body; a first screw rod is rotatably mounted on the outer wall of one side of the fixing plate, a threaded plate is connected to the first screw rod in a threaded mode, two connecting rods are symmetrically and fixedly mounted on the outer wall of one side of the threaded plate, and the outer wall of one side of each connecting rod penetrates through the fixing plate and is fixedly provided with a sliding plate. Under the matching action of a suction cup and the like, a handle is rotated to drive a long column, a bevel gear I, a bevel gear II and a first screw rod to rotate along with the handle, and the first screw rod rotates to drive a