Portable display board for teaching
A portable display board for teaching comprises a display board body, the display board body comprises a display portion used for displaying teaching materials, two supports are connected to the lower portion of the display board, and the display board body comprises a left board and a right board....
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | A portable display board for teaching comprises a display board body, the display board body comprises a display portion used for displaying teaching materials, two supports are connected to the lower portion of the display board, and the display board body comprises a left board and a right board. The display board comprises a display board body, connecting mechanisms used for connecting a left board and a right board are arranged above and below the display board body, each connecting mechanism comprises a sleeve connected with the right board, a telescopic rod capable of moving linearly is arranged in each sleeve, and each telescopic rod is fixedly connected with the corresponding sleeve in a bolt connection mode. The end, away from the sleeve, of the telescopic rod is rotationally connected with a rotating shaft, the rotating shaft is further rotationally connected with a fixing rod, the fixing rod is fixedly connected with the left plate, and the left plate and the right plate can rotate around the rotat |
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