Demonstration device with detachable panel for electronic information teaching
The utility model discloses a demonstration device with a detachable panel for electronic information teaching, and relates to the technical field of teaching devices. The upper surface of the demonstration board is provided with a placing groove, the placing groove is internally provided with the p...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a demonstration device with a detachable panel for electronic information teaching, and relates to the technical field of teaching devices. The upper surface of the demonstration board is provided with a placing groove, the placing groove is internally provided with the panel, one side surface of the demonstration board is provided with a pull rod, one surface of the pull rod is provided with a rod handle, the other surface of the pull rod is symmetrically provided with a plurality of elastic ropes, and two opposite surfaces in the demonstration board are rotatably connected with a plurality of rotating rods; rotating wheels are installed on the circumferential side faces of the rotating rods, supporting rods are installed on the two opposite side faces in the demonstration board, supporting plates are slidably connected to the circumferential side faces of the supporting rods, and a plurality of limiting rods are symmetrically installed on the two opposite surfaces in the demonstr |
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