Electronic automatic teaching demonstration device convenient to watch

The invention relates to the technical field of automatic teaching equipment, in particular to an electronic automatic teaching demonstration device convenient to watch, which is characterized in that the bottom surface of a demonstration board is provided with a rotating shaft, the surface of the r...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	SON SUNG-WON
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 MECHANICAL ENGINEERING PHYSICS PLANETARIA SEALS STANDS OR SUPPORTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to the technical field of automatic teaching equipment, in particular to an electronic automatic teaching demonstration device convenient to watch, which is characterized in that the bottom surface of a demonstration board is provided with a rotating shaft, the surface of the rotating shaft is sleeved with a connecting plate, and the surface of the connecting plate is provided with an inserting groove; the demonstration base is arranged below the demonstration board; the angle adjusting rod is inserted into the inserting groove, a control groove is formed in the top end of the angle adjusting rod, and a control column is inserted into the control groove; the beneficial effects are that when the content demonstrated on the surface of the demonstration board is inconvenient for students on two sides to watch, a control column is pressed, then an angle adjusting rod is controlled to move leftwards or rightwards in a direction adjusting groove, and the angle of the demonstration board is dri