College mathematics teaching teaching aid
The utility model provides a college mathematics teaching teaching aid, relates to teaching equipment technical field, and it includes teaching aid board, strutting arrangement and moving mechanism, and strutting arrangement comprises base, fixing base, lifter and roating seat, and the teaching aid...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | The utility model provides a college mathematics teaching teaching aid, relates to teaching equipment technical field, and it includes teaching aid board, strutting arrangement and moving mechanism, and strutting arrangement comprises base, fixing base, lifter and roating seat, and the teaching aid board is placed in the activity on the roating seat, and the teaching aid board is divided into first teaching aid board and second teaching aid board, and first teaching aid board and second teaching aid board are U type groove type structure, and just first teaching aid board and second teaching aid board are connected through the pivot, laminating net magnetic sheet on the first teaching aid board, be equipped with the fixed block on the second teaching aid board, fixed block one end is equipped with the pivot perpendicularly through round pin axle and movable rod swing joint on the movable rod, and pivot one end is connected with L type rocker, and the pivot other end is connected with the horizontal pole is pe |
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