CN2813329Y - Multifunction special drawing ruler - Google Patents

Abstract

The utility model relates to a special ruler for multifunctional drawing, which includes a straight ruler, length marking lines are arranged on the side of the straight ruler, protractors are arranged on both ends of the straight ruler, grooves are arranged on the periphery of the arc of the protractor, and a groove is arranged on the bottom edge of the protractor There is a length engraved line on the top, a groove is provided at the edge of the length engraved line on the bottom edge of the protractor, and a longitudinal groove is arranged between the left and right protractors. The grooves at the edges of the scored lines are connected, and at least one side of the longitudinal grooves in the straight ruler is also provided with a template part for architectural drawing. The utility model has the characteristics of convenient portability, integration of multiple functions, simple use and accurate positioning, solves the problem of drawing horizontal lines and vertical lines perpendicular to them in the plane, and can directly draw right angles between 0 and 360 degrees Any angle can be easily and accurately positioned, and the templates commonly used in drawing are given, which brings great convenience to users.

Description

Multifunctional drawing ruler

technical field

The utility model relates to a drawing tool, in particular to a multifunctional ruler for drawing, which belongs to the category of cultural and educational supplies, and is suitable for students and teachers to use in teaching, and also suitable for construction technicians to use in drawing.

Background technique

At present, in manual drawing, people are often troubled by the single function of the drawing instrument and inconvenient operation. When drawing architectural drawings, rulers, set squares, compasses, protractors, templates and other drawing tools are needed, which is extremely inconvenient when drawing. It takes a long time, and it is extremely troublesome to operate, and it is also inconvenient to carry, and it is easy to lose, and it is also very expensive to buy multiple drawing tools. Chinese utility model patent No. 200420108429.4 provides a "multifunctional plotter", which is composed of a right-angled triangle plate and an isosceles triangle plate, wherein the right-angled triangle plate is engraved with a scale and is provided with a template part, and Grid lines arranged at unit length intervals are provided; scales are engraved on the isosceles triangular plate and a protractor part is provided, at least one semicircular groove is opened on the protractor, and a protractor is provided below the protractor. In the through groove of the scale, the needle body of the compass part is arranged in the through groove, and the hole body is also arranged in the through groove. This multifunctional plotter just combines multiple functions on the right-angled triangular board and the isosceles triangular board, but still has the disadvantages of being difficult to carry and easily lost.

Utility model content

The purpose of this utility model is to overcome the above-mentioned deficiencies existing in the prior art. Through research and improvement, a special multifunctional ruler for drawing is provided. The special ruler for multifunctional drawing has the characteristics of easy portability, complete functions, simple operation and accurate positioning. At the same time, it solves the problem of drawing the horizontal line and the vertical line perpendicular to it in the plane. It can directly draw right angles, and any angle between 0 and 360 degrees can be easily and accurately positioned. It also provides templates commonly used in drawing. The utility model can also produce multiple functions, thereby making up for the lack of a single function of the previous drawing instruments. funds.

The multi-functional drawing ruler provided by the utility model includes a rectangular straight ruler, which is characterized in that at least one side of the straight ruler is provided with a length marking line, and the two ends of the straight ruler are Two semicircular protractors are arranged symmetrically on the top, grooves are arranged around the arc of the protractor, and length markings are provided on at least 1/3 of the bottom of the semicircular protractor. The length on the bottom of the protractor is There is a groove at the edge of the engraved line, and a longitudinal groove is arranged between the left and right semicircular protractors, and the longitudinal groove connects the grooves at the edge of the length engraved line on the bottom edge of the left and right protractors. At least one side of the longitudinal groove in the straight ruler is also provided with a template part for architectural drawing.

For better realizing the purpose of the present utility model, the upper side of the longitudinal groove in the described straight ruler is provided with capital English letter template and Arabic numeral template: the character height of capital English letter template can be 3mm, because in drawing Instructions are sometimes written in the book, and the height of the frequently used characters is generally 3mm. Of course, the height of the characters can also be 7mm, which is used to draw the horizontal axis mark of the positioning axis in the drawing; Numbers are often marked, and Arabic numerals are frequently used. The character height is generally 3mm. Of course, the character height can also be 7mm. It is used when drawing the vertical axis mark of the positioning axis in the drawing.

In order to better realize the purpose of the present utility model, a Greek letter template can also be provided on the underside of the longitudinal groove in the straight ruler, so that users can write Greek letters accurately and quickly. Commonly used punctuation mark templates and steel bar symbol templates are set, and Roman numeral templates, lowercase Chinese character number templates and circular templates with diameters from 1mm to 8mm are set on one side of the Greek letter template.

Of course, in the above technical solution, not only the positions of the upper and lower side templates of the longitudinal groove in the straight ruler can be exchanged, but also the positions of the same side templates can be exchanged.

Compared with the prior art, the utility model has the beneficial effects of being convenient to carry, integrating multiple functions, easy to use, and accurate positioning, and at the same time solves the problem of drawing horizontal lines and vertical lines perpendicular to it in the plane. , can directly draw a right angle, any angle between 0 and 360 degrees can be easily and accurately positioned, and a template commonly used in drawing is given, which brings great convenience to users.

Description of drawings

Accompanying drawing is the structural representation of an embodiment that the utility model provides.

The labels in the figure are: 1. Straight ruler, 2. Protractor, 3. Longitudinal groove, 4. Groove at the bottom edge of the protractor, 5. Groove at the bottom edge of the protractor, 6. Uppercase English letter template with a height of 3mm , 7. Arabic numeral template with a height of 3mm, 8. Arabic numeral template with a height of 7mm, 9. Uppercase English letter template with a height of 7mm, 10. Greek letter template, 11. Commonly used punctuation template, 12. Rebar symbol template , 13. Roman numeral template, 14. Lowercase Chinese character number template, 15. Circle template.

Detailed ways

As shown in the figure, this special ruler for multifunctional drawing includes a rectangular straight ruler 1, and the four sides of the straight ruler 1 are provided with length marking lines to facilitate users to draw straight lines at any angle position, and can Measure the distance. The two ends in the straight ruler 1 are symmetrically provided with two semicircular protractors 2, so that the utility model has the function of a protractor, to facilitate the user to measure angles, draw angles, arcs and circles. There are grooves on the periphery, so that arcs of various radii can be drawn or combined circles can be drawn. The protractors in the shape of two semicircles on the left and right constitute all angles between 0 and 360 degrees. It can quickly locate 0 to 360 degrees. Any angle between 360 degrees, it looks convenient and intuitive, and solves the problem of all corners of the four quadrants. 1/2 of the bottom edge of the semicircular protractor 2 is provided with a length engraved line, and a groove 4 is provided at the edge of the length engraved line on the bottom edge of the protractor at the left end of the straight ruler, and a groove 4 is provided at the bottom edge of the protractor at the right end of the straight ruler. A groove 5 is arranged at the edge of the length marking line, and a longitudinal groove 3 is arranged between the left and right semicircular protractors, and the longitudinal groove connects the groove at the edge of the length marking line on the bottom edge of the left and right two protractors. 4 and 5 are connected, the longitudinal groove is a groove for drawing a straight line, the pen can directly draw a straight line on the longitudinal groove smoothly, and can draw a straight line at any angle in the plane, the more important purpose of the longitudinal groove is Use it in conjunction with the groove at the edge of the length engraved line on the bottom edge of the protractor, and draw a straight line perpendicular to it, because in drawing, the problem of finding the vertical line of a straight line often occurs, using the above two grooves together can solve the problem The vertical line perpendicular to it above or diagonally above the straight line can also solve the vertical line perpendicular to it below the straight line or diagonally below.

Both sides of the longitudinal groove 3 in the straight ruler 1 are provided with template parts for architectural drawing:

The upper side of the longitudinal groove 3 is provided with a capital English letter template 6 with a word height of 3mm and an uppercase English letter template 9 with a word height of 7mm, because the description is sometimes written in the drawing, and the frequently used character height is generally 3mm. , and the uppercase English letters with a character height of 7mm are used to draw the horizontal axis mark of the positioning axis in the drawing. The upper side of the longitudinal groove 3 is also provided with an Arabic numeral template 7 with a character height of 3mm and an Arabic numeral template 8 with a character height of 7mm, because the numerals are often used in drawing, and the Arabic numerals with a character height of 3mm are frequently used , and the Arabic numerals with a character height of 7mm are used when drawing the vertical axis mark of the positioning axis in the drawing.

A Greek letter template 10 is arranged on the lower side of the longitudinal groove 3. During the drawing process, the writing of Greek letters is extremely irregular, and the writing of Greek letters is very laborious, and the difference between some letters is not obvious, which is very easy to confuse Each letter, with this template, can be conveniently and accurately written in Greek letters. Below the Greek letter template 10, there are commonly used punctuation mark templates 11 and steel bar symbol template 12, wherein the commonly used brackets and punctuation marks are prepared for accurate writing instructions, and the steel bar symbols and steel bar spacing symbols are given for the purpose of drawing , especially when drawing structural drawings, the symbols of all levels of steel bars are frequently used. One side of the Greek letter template 10 is provided with a Roman numeral template 13, a lowercase Chinese character numeral template 14, and a circular template 15 with a diameter from 1mm to 8mm, wherein Roman numerals and lowercase are often used in writing instructions or when marking various parts. Chinese characters and numbers, and circles with diameters from 1mm to 8mm basically solve all the problems of drawing circles and arcs in the drawing process. This function is very convenient, and you can quickly and accurately draw circles or arcs at any position without compasses. arc.

Claims (4)

1. multi-functional drawing special ruler, include the straight board foot of a rectangle, at least one limit that it is characterized in that described straight board foot is provided with the length groove, be provided with the protractor of two semi-circular shapes on the two ends in the described straight board foot symmetrically, periphery at the protractor circular arc is provided with groove, at least 1/3 place is provided with the length groove on the base of the protractor of semi-circular shape, the edge of the length groove on the protractor base is provided with groove, about be provided with a longitudinal fluting between the protractor of two semi-circular shapes, this longitudinal fluting with about on two protractor bases the groove of length groove edge couple together, also be provided with the template part that architectural drawing is used at least one side of the longitudinal fluting in straight board foot.

2. multi-functional drawing special ruler according to claim 1 is characterized in that the upside of the longitudinal fluting in the straight board foot is provided with capitalization English letter template and Arabic numerals template.

3. multi-functional drawing special ruler according to claim 1, the downside that it is characterized in that the longitudinal fluting in the straight board foot is provided with the Greek alphabet template, below the Greek alphabet template, be provided with punctuation mark template commonly used and reinforcing bar symbol guide, be provided with the Chinese-character digital template and the round template of diameter from 1mm to 8mm of Roman number template, small letter in a side of Greek alphabet template.

4. multi-functional drawing special ruler according to claim 1, the upside that it is characterized in that the longitudinal fluting in the straight board foot is provided with capitalization English letter template and Arabic numerals template, the downside of longitudinal fluting is provided with the Greek alphabet template, below the Greek alphabet template, be provided with punctuation mark template commonly used and reinforcing bar symbol guide, be provided with the Chinese-character digital template and the round template of diameter from 1mm to 8mm of Roman number template, small letter in a side of Greek alphabet template.