Student drawing board and bracket with universal rotating adjusting capacity
A technology of adjustment ability and universal rotation, applied in the field of teaching aids for students, can solve the problems of unrealistic fixation, limited range of the inclination angle of the drawing board, easy to overturn, etc., and achieve the effects of reasonable structure design, stable support and simple operation.
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[0013] Attached below figure 1 ~ attached Figure 4 The present invention is described in detail below.
[0014] Such as Figure 1 ~ Figure 4 As shown, the present invention includes a base 1, a weight plate 14, a sleeve 2, a vertical rod 3, a drawing board 4, a Y-shaped bracket 6 and a pole 5, and the base 1 is a disc-shaped structure, and the inside of the circumference side A groove 16 is provided, one end of the counterweight plate 14 is provided with a slider 15 embedded in the groove 16, a counterweight 17 is installed on the upper end of the counterweight plate 14, and a roller 18 is provided on the lower end, the sleeve 2 is installed on the base 1, The vertical pole 3 is plugged inside, and the vertical pole 3 is provided with a sliding cylinder 8 with a damping shaft 12. The top of the vertical pole 3 is provided with a hinge shaft 7, and the back of the drawing board 4 is symmetrically provided with two horizontal bars 9. The upper end of the horizontal bar 9 pass...
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