Display device for mathematics teaching

Provided is a display device for mathematics teaching. The utility model belongs to the technical field of teaching appliances. The device comprises a mounting base, a mounting groove is formed in theouter wall of one side of the mounting base; a first writing board is mounted on the inner wall of o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LIU KUN, JIANG LISHAN, JIANG HONGZHI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES FOR WRITING OR DRAWING ADVERTISING APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE ARTICLES FOR WRITING OR DRAWING UPON BLASTING BUREAU ACCESSORIES CABINETS COFFEE MILLS CRYPTOGRAPHY DESKS DIAGRAMS DISPLAY DOMESTIC ARTICLES OR APPLIANCES DRAWERS 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 FURNITURE GENERAL DETAILS OF FURNITURE GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GLOBES HEATING HUMAN NECESSITIES LIGHTING MECHANICAL ENGINEERING OFFICE FURNITURE PERFORMING OPERATIONS PHYSICS PLANETARIA SEALS SPICE MILLS STANDS OR SUPPORTS SUCTION CLEANERS IN GENERAL TABLES THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WRITING OR DRAWING IMPLEMENTS
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Beschreibung
Zusammenfassung:	Provided is a display device for mathematics teaching. The utility model belongs to the technical field of teaching appliances. The device comprises a mounting base, a mounting groove is formed in theouter wall of one side of the mounting base; a first writing board is mounted on the inner wall of one side of the mounting groove through a bolt; a cover plate is hinged to one end of the outer wallof the side, close to the first writing board, of the mounting base, connecting blocks are welded to the top and the bottom of the outer wall of the side, close to the mounting base, of the cover plate, rubber pads are bonded to the outer walls of the sides, away from the cover plate, of the connecting blocks, and connecting grooves are formed in the positions, corresponding to the connecting blocks, of the outer wall of the mounting base. According to the utility model, after use, the cover plate is covered; the first writing board and the second writing board are covered, the sealing performance in the mounting groo