Circle drawing plate with adjusting function and convenient installation function for history teaching
A functional and historical technology, applied in the field of history teaching tools, can solve the problems of reducing the efficiency of drawing circles for teachers, making it inconvenient for teachers to adjust the height of drawing circles, and unable to guarantee the accuracy of blackboard drawing circles, etc.
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[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0024] see Figure 1 to Figure 8 , the present invention provides a technical solution: a circular drawing board for history teaching with an adjustment function and a convenient installation function, including a bottom board 1 .
[0025] Further, the bottom of the base plate 1 is fixedly connected with a friction pad 31, through the setting of the friction pad 31, the stability of the base plate 1 placed on the desktop is ensured, the grip of the base plate ...
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