Teaching device for public management
A teaching device and public management technology, applied in the field of teaching devices for public management, can solve the problems of limited space, complicated operation, serious cleaning problems of teaching devices, etc., to achieve the effect of assisting alignment and increasing the display area
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Embodiment 1
[0042] Such as Figure 1-Figure 2 As shown, a teaching device for public management includes a display cavity 4, a base cavity 27 is provided on the bottom surface of the display cavity 4, and a top plate cavity 22 is provided on the top surface of the display cavity 4. 4 is provided with a plank 6 on the side, and the two sides of the display chamber 4 are respectively provided with a first roller 7 and a second roller 8 vertically arranged, and a display cloth 19 is arranged on the first roller 7 and the second roller 8. between the second rollers 8, and the two sides of the display cloth 19 are respectively connected with the first roller 7 and the second roller 8;
[0043] The first roller 7 runs through a vertically arranged first rotating shaft 701, the second roller 8 runs through a vertically arranged second rotating shaft 801, and both ends of the first rotating shaft 701 are sheathed There is a first bearing 702, both ends of the second rotating shaft 801 are sleeve...
Embodiment 2
[0059] Such as Figure 3-Figure 4 As shown, the difference from Embodiment 1 is that the side wall of the sleeve 3 is provided with four first through holes 25 sequentially arranged from top to bottom, and the side wall of the support rod 2 is provided with a second through hole. The through hole 26 , when the first through hole 25 on the sleeve 3 penetrates the second through hole 26 , is fixed by extending the bolt into the first through hole 25 and the second through hole 26 . The height adjustment of the teaching device of the present invention is realized by passing through different first through holes 25 on the sleeve 3 with the second through holes 26 and then fixing them with bolts.
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