Teaching information displaying and issuing device
A publishing device and teaching technology, applied in the field of teaching aids, to achieve the effect of improving convenience and ensuring teaching quality
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Embodiment 1
[0025] see Figure 1~3 , a device for displaying and distributing teaching information, comprising a seat frame 1, the seat frame 1 is a U-shaped structure, the upper and lower walls of the inner cavity of the seat frame 1 are symmetrically provided with card slots 2 on the right side, and a host is arranged between the two card slots 2 3. A pedestal 10 is provided on the front side of the top of the seat frame 1, and a display screen is provided on the pedestal 10. The display screen is connected to the host computer 3, and the materials prepared by the teacher in class are directly transmitted to the host computer 3, and then passed Playing on the display screen can realize a large amount of textbook information for short-time playing and teaching. At the same time, the host 3 can be directly connected to the Internet for on-site supplementary teaching, improving the convenience of teaching.
[0026] The display screen includes a main display screen 11 and two sub-display sc...
Embodiment 2
[0028] This embodiment is a further elaboration on the basis of Embodiment 1. A sound box 22 is provided on the left side of the inner cavity top wall of the seat frame 1, and the sound box 22 is connected with the main display screen 11, and the volume is enlarged through the sound box 22 to ensure Students can hear clearly.
[0029] The left side of the bottom wall of the inner cavity of the seat frame 1 is provided with a base 4, and the top of the base 4 is provided with a column 5, and the top of the column 5 penetrates the inner cavity top wall of the seat frame 1 and is rotatably connected to the drum 6, One side end of the rotating cylinder 6 is fixedly connected to the crossbar 7, and the bottom end of the crossbar 7 is evenly provided with several suspenders 8, and the bottom ends of all the suspenders 8 are fixedly connected to the writing board 9 together, through The writing board 9 is used for blackboard writing teaching, which is a supplement to display screen b...
Embodiment 3
[0032] This embodiment is a further elaboration on the basis of Embodiment 2. A screw 16 is embedded on the left side of the bottom wall of the inner cavity of the seat frame 1. The seat frame 1 and the screw rod 16 are threaded. The bottom end of the screw rod 16 The friction plate 18 is connected through the rotation of the bearing seat 17, and the top of the screw rod 16 is fixedly connected to the turntable 19. The axis of the screw rod 16 coincides with the axis of the turntable 19. The turntable 19 is a disc structure, and the outer surface of the turntable 19 is evenly provided with several connecting rods. 20. The other end of the connecting rod 20 is fixedly connected to the handle rod 21, and the handle rod 21 drives the turntable 19 to rotate forward, and then controls the rotation of the screw rod 16 to descend, and then pushes the friction plate 18 down, and the friction plate 18 is close to the ground, so that Cooperate with the foot brake 15 to ensure the stabili...
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