Diversified Japanese teaching writing board
A technology of writing board and teaching board, which is applied in the field of Japanese teaching, can solve problems such as students’ difficulty in identifying written content and chalk dust polluting the teaching environment, and achieve the effects of improving teaching quality, wide application range of the environment, and purifying the teaching environment
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Embodiment 1
[0021] like figure 1 As shown, a writing board for multi-purpose Japanese teaching includes a mounting plate 1, the upper end of the mounting plate 1 is fixedly connected with a top plate 2, the lower end of the mounting plate 1 is fixedly connected with a dust box 3, and the lower surface of the top plate 2 is slidably connected with a The teaching board 4 arranged parallel to the installation board 1, the upper end of the teaching board 4 is equipped with rollers, and the lower surface of the top board 2 is equipped with a slide rail matched with the rollers, so that the teaching board 4 can slide freely under the top board 2, and the board of the teaching board 4 A fluorescent paint layer 5 is sprayed on the surface, and the fluorescent paint layer 5 is an acrylic resin fluorescent paint. The teaching board 4 and the installation board 1 are fixedly connected by a plurality of elastic telescopic airbags 6. The elastic telescopic airbags 6 are made of elastic rubber materials...
Embodiment 2
[0026] like figure 2 As shown, the difference between this embodiment and Embodiment 1 is that a vertical screw 15 and a slide rod 16 are fixedly connected between the top plate 2 and the powder ash box 3, and a screw nut 17 is threaded on the screw 15. , the slide bar 16 is slidingly sleeved with a sliding sleeve 18, the screw nut 17 and the sliding sleeve 18 are fixedly connected with a support rod 19, the support rod 19 is fixedly connected with a cleaning wipe 22, and the screw mandrel 15 is fixedly sleeved with a second A bevel gear 20, the side wall of the powder ash box 3 runs through and is connected with a rocking bar 21 for rotation, and one end of the rocking bar 21 is fixedly connected with a second bevel gear 14, and the first bevel gear 20 meshes with the second bevel gear 14.
[0027] In this embodiment, when the surface of the teaching board 4 needs to be cleaned, the rocker 21 is reciprocated, and the first bevel gear 20 and the second bevel gear 14 drive the...
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