Portable primary school Chinese teaching board
A portable, teaching board technology, applied in the field of Chinese teaching appliances, can solve the problems of students not seeing the content written on the board, inconvenient to move and carry, inconvenient to adjust the height, etc., to increase teaching effect, save teaching time, and facilitate viewing. Effect
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Embodiment 1
[0033] see Figure 1-3 , the present embodiment provides a portable elementary school Chinese teaching board, comprising a fixed board 1, a fixed frame 2, a fixed rod 10, and a base 17; The first sliding plate 3 and the second sliding plate 4 are installed, and the first sliding plate 3 and the second sliding plate 4 are respectively located at the front and rear sides of the fixed plate 1; the edges of the first sliding plate 3 and the second sliding plate 4 are all provided with aluminum The frame 6 made of alloy material, several rollers 5 are arranged on the upper and lower sides of the frame 6, and the roller installation groove 20 is arranged in the fixed frame 2, and the rollers 5 are installed in the roller installation groove 20; the lower part of the fixed frame 2 is welded and fixed to the fixed rod 10 , the bottom of the fixed rod 10 is provided with a turntable 12, the bottom of the turntable 12 is fixedly connected with the screw mandrel 13, the screw mandrel 13 ...
Embodiment 2
[0043] see Figure 4 In this embodiment, on the basis of the structure of the first embodiment, the manual adjustment of the height of the teaching board in the first embodiment is changed to an electric adjustment, and a pulley 21 is arranged on the rotating shaft of the screw lift 14, and the pulley 21 is connected with the deceleration by the belt 22. The pulley provided on the output shaft of the motor 23 is connected; the geared motor 23 is a horizontal two-way synchronous geared motor; the geared motor 23 rotates through the belt 22 to drive the screw elevator 14 to rotate to realize the height adjustment of the teaching board.
[0044] Working principle of the present invention:
[0045]This embodiment provides a kind of portable elementary school Chinese teaching board, the teacher can write the teaching content on the fixed board 1, the first sliding board 3 and the second sliding board 4 boards in advance, and during class, the teaching board is adjusted to the appro...
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