Multi -functional physics drawing board
The utility model discloses a multi -functional physics drawing board, including last drawing board and lower drawing board, to go up the drawing board and rotate and connect through rotating the hinge between the drawing board down, the spout has been offered to the positive upper end of picture ab...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a multi -functional physics drawing board, including last drawing board and lower drawing board, to go up the drawing board and rotate and connect through rotating the hinge between the drawing board down, the spout has been offered to the positive upper end of picture above board, and sliding connection has the slider in the spout, and the lower extreme fixed mountingof slider has first ruler, and the lower extreme of first ruler rotates and is connected with the second ruler, and the back fixed mounting who goes up the front of drawing board and lie in the secondruler has the glass board, and back fixed mounting that the inside of going up the drawing board just lies in the glass board has a LED lamp area, the utility model relates to an educational aid technical field. This multi -functional physics drawing board makes and goes up drawing board and drawing board down and can 360 rotate through rotating the hinge, goes up the drawing board and when laminate in the front of drawin |
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