Multifunctional drawing tool

A multi-functional and utensil technology, applied in the field of teaching drawing utensils, can solve the problems of distance error of two parallel lines, asynchronous movement of ruler, and inability to accurately know the distance of two parallel lines, so as to avoid rolling errors, improve efficiency and improve efficiency. Accuracy, the effect of increasing resistance

Inactive Publication Date: 2017-10-27
温州市育人教仪制造有限公司
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the rolling friction overcomes the problem of uneven force and asynchronous movement of the ruler due to its small friction force, it is also because of its small resistance that it is easy to slip during the line drawing process, resulting in the distance between two parallel lines Errors are generated, and the existing parallel ruler cannot accurately know the distance between two parallel lines

Method used

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Embodiment Construction

[0035] In order to make the object, technical solution and advantages of the present invention clearer, the invention will be clearly and completely described below in conjunction with specific embodiments.

[0036] Unless otherwise defined, the technical terms or scientific terms used in the disclosure of the present invention shall have the usual meanings understood by those skilled in the art to which the disclosure belongs. "First", "second" and similar words used in the present disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. "Comprising" or "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other elements or items.

[0037] as attached figure 1 and 2 As shown, a multifunctional drawing tool includes a ruler body 1, on which a first ruler part 11 and a second ruler part 12 a...

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Abstract

The invention relates to a multifunctional drawing tool which comprises a ruler body. A first straight ruler part and a second straight ruler part are arranged on the ruler body. The middle of the ruler body protrudes upwards to form an arc-shaped installation part. The arc-shaped installation part is located between the first straight ruler part and the second straight ruler part. A distance measuring mechanism is arranged on the first straight ruler part. A rolling mechanism is installed in the arc-shaped installation part. A dotted line drawing mechanism is arranged on the second straight ruler part. The multifunctional drawing tool is reasonable in structural design, easy and convenient to use, scientific in design and convenient to operate, high efficiency and accuracy of drawing are improved, people can complete length measuring, line drawing, pushing out of the dotted line drawing mechanism and drawing of a dotted line by the other hand while holding a drawing tool by one hand in the whole drawing process.

Description

technical field [0001] The invention relates to a multifunctional drawing tool, which belongs to the field of teaching drawing tools. Background technique [0002] In drawing, it is often encountered that straight lines, parallel lines and dotted lines need to be drawn. Straight lines are generally drawn through the straight and wavy sides of the drawing ruler. Straightedge draws directly. Due to the sliding friction between the ruler and the drawing paper or drawing board, it is easy to affect the parallelism of the lines due to unequal forces. In order to overcome the problem that parallel lines are not easy to draw standards, a parallel ruler was invented in the prior art, that is, a roller is provided at one end of the parallel ruler to change the sliding friction into rolling friction, which is fast and convenient when drawing parallel lines. Although the rolling friction overcomes the problem of uneven force and asynchronous movement of the ruler due to its small fri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43L7/10G01B5/14
CPCB43L7/005B43L7/10B43L13/00B43L13/20G01B5/14
Inventor 张玉祺
Owner 温州市育人教仪制造有限公司
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