Portable universal teaching aid for education and teaching
The utility model discloses a portable general teaching aid for education and teaching, and relates to the technical field of teaching aids. The device comprises a main body, the main body comprises a first display board and a second display board, and the first display board is rotatably connected...
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Main Authors | , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
09.11.2021
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model discloses a portable general teaching aid for education and teaching, and relates to the technical field of teaching aids. The device comprises a main body, the main body comprises a first display board and a second display board, and the first display board is rotatably connected with the second display board. Before outdoor teaching, when teaching paper is prepared, a clamping lock mechanism is opened, a first display board and a second display board are separated, a T-shaped sliding rod slides to enable a telescopic rod to move towards the top in a first arc-shaped shell, then the reel-shaped paper is installed on a fixing column at the bottom in the first arc-shaped shell, at the moment, the telescopic rod slides, and the teaching paper is placed in the first arc-shaped shell. The bottom end of the limiting plate makes contact with one side of the roll paper, then the screw rod is rotated, the T-shaped sliding rod is fixed to the column, the paper is fixed into the display board, and the |
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Bibliography: | Application Number: CN202120950156U |