Simple mathematical graph demonstration device
A demonstration device and mathematical technology, applied in the field of teaching aids, can solve problems such as unfavorable teachers' mathematical graphics demonstration, primary school students' difficulties, and inability to quickly replace mathematical graphics, so as to ensure the effect of manual demonstration and improve the effect of demonstration
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Embodiment 1
[0034] Such as Figure 1-6A simple mathematical graphics demonstration device is shown, the bottom of the support rod 1 is fixedly connected with a base plate 2, and the outer wall of the base plate 2 is uniformly fixed and connected with a support leg 3 for the support of the support rod 1 along the circumferential direction, and the bottom of the support leg 3 is fixedly connected There is a universal wheel 4 for moving, and the top of the support rod 1 is provided with a rotating structure 5 for horizontal rotation. The top of the rotating structure 5 is connected with a supporting ring 9, and the front and rear side walls of the supporting ring 9 are respectively passed through bolts along the circumferential direction. A circular plate 7 and a connection ring 15 are threaded, and the front side wall of the circular plate 7 is evenly connected with an elastic band support structure 6 for the support of the elastic band 8, and the elastic band support structure 6 is movably ...
Embodiment 2
[0036] Embodiment 2 is a further improvement to Embodiment 1.
[0037] Such as Figure 1-6 A simple mathematical graphic demonstration device shown includes a support rod 1 and an elastic band 8, the bottom of the support rod 1 is fixedly connected with a base plate 2, and the outer wall of the base plate 2 is uniformly fixed and connected with legs for the support of the support rod 1 along the circumferential direction 3. The top of the support rod 1 is provided with a rotating structure 5 for horizontal rotation, and the top of the rotating structure 5 is connected with a supporting ring 9, and the front and rear side walls of the supporting ring 9 are respectively threaded with a circular plate 7 and a Connect the ring 15, the front side wall of the circular plate 7 is evenly connected with the elastic band support structure 6 for the support of the elastic band 8, the elastic band support structure 6 includes a threaded sleeve 61, a threaded rod 62, a cylinder 63 and a gr...
Embodiment 3
[0039] Embodiment 3 is a further improvement to Embodiment 1.
[0040] Such as Figure 1-6 A simple mathematical graphic demonstration device shown includes a support rod 1 and an elastic band 8, the bottom of the support rod 1 is fixedly connected with a base plate 2, and the outer wall of the base plate 2 is uniformly fixed and connected with legs for the support of the support rod 1 along the circumferential direction 3. The top of the support rod 1 is provided with a rotating structure 5 for horizontal rotation. The rotating structure 5 includes an L-shaped support plate 51, a driving motor 52, a first rotating shaft 53, a first ring gear 54, a second ring gear 55, and a rotating rod 56 and the first bearing 57, the L-shaped support plate 51 is fixedly connected with the outer wall of the support rod 1, the top of the L-shaped support plate 51 is equipped with a drive motor 52, the output end of the drive motor 52 is fixedly connected with the first rotating shaft 53, the ...
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