History teaching of high school apparatus
History teaching of high school apparatus belongs to teaching aid technical field. The utility model provides a: including square box and teaching card, characterized by is equipped with the hinge at square box rear side, and the hinge upside is equipped with the case lid, and square box downside is...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | History teaching of high school apparatus belongs to teaching aid technical field. The utility model provides a: including square box and teaching card, characterized by is equipped with the hinge at square box rear side, and the hinge upside is equipped with the case lid, and square box downside is equipped with the buffering leg, and square box right side is equipped with pivot A, and pivot A upside is equipped with linking arm A, and the case lid right side is equipped with pivot B, and pivot B downside is equipped with linking arm B, is equipped with main pivot between linking arm A and the linking arm B, and main pivot right side is equipped with the lock valve, and square box front side is equipped with the magnetic lock groove, and magnetic lock groove downside is equipped with the handle. The utility model discloses multiple functional, easy and simple to handle when history teaching, labour saving and time saving have alleviateed the work degree of difficulty for historical teacher.
高中历史教学用具,属于教学用具技术 |
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