Computer multimedia teaching device

The utility model relates to the technical field of teaching equipment, in particular to a computer multimedia teaching device which comprises a placement box and a multimedia display screen, lifting outer cylinders are arranged on two sides in the placement box, lifting inner cylinders are slidably...

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Bibliographische Detailangaben
Hauptverfasser:	PENG LEI, OUYANG JIAFENG, ZHENG XIAOQING, LONG MANSHENG, LIU LINGHUI, LI HANG, LYU JINGXIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADVERTISING APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE BLASTING CRYPTOGRAPHY DIAGRAMS DISPLAY EDUCATION EDUCATIONAL OR DEMONSTRATION APPLIANCES 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 GLOBES HEATING LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING PHYSICS PLANETARIA SEALS SHOCK-ABSORBERS SPRINGS STANDS OR SUPPORTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model relates to the technical field of teaching equipment, in particular to a computer multimedia teaching device which comprises a placement box and a multimedia display screen, lifting outer cylinders are arranged on two sides in the placement box, lifting inner cylinders are slidably connected in the lifting outer cylinders, the lifting inner cylinders are in threaded connection with lead screws, and the lead screws are in threaded connection with the multimedia display screen. A servo motor is connected to the bottom of the lead screw, a supporting frame is arranged at the top of the lifting inner cylinder, a buffer groove is formed in the side wall, close to the multimedia display screen, of the supporting frame, a first sleeve is arranged at the top of the supporting frame, a first limiting groove is formed in the inner wall of the first sleeve, and the first sleeve is rotationally connected with a rotating rod; a sliding groove is formed in the surface of the rotating rod, a sliding block