CN211138828U

CN211138828U - Drawing rule for geography discipline

Info

Publication number: CN211138828U
Application number: CN201921957233.5U
Authority: CN
Inventors: 管一州
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-07-31
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses a drawing rule for geographical discipline, including first blade and hinge, the upper surface of first blade is provided with the chi panel, and the inboard of chi panel is provided with the function groove, the left end of chi panel is fixed with the piece that closes, and the top surface that closes the piece is provided with first scale, the fixed surface of first scale has the bump, the right side of hinge is fixed with the third blade, and the top of third blade is provided with the second blade, the surface of second blade is provided with the protractor, and the right side of protractor is provided with the fourth scale, the back left side surface of second blade is provided with the fifth scale, and the right side of fifth scale is provided with the dimension scale, the place ahead surface longitude of second blade is provided with the scale. Be provided with the protractor, can let it have the function of measuring the angle and drawing the topography according to the angle, and the fourth scale can satisfy the user and draw the fourth scale commonly used that uses, makes the result of drawing scientific and accurate more.

Description

Drawing rule for geography discipline

Technical Field

The utility model relates to a drawing tool technical field specifically is a drawing rule for geography branch of academic or vocational study.

Background

The ruler is used as a common tool for drawing, and scales on the ruler are also used for measuring the length. Some rulers are provided with a hole in a special shape such as a letter or a circle in the middle, so that a user can conveniently draw a picture, the ruler is usually used for measuring the length, the requirements and standards of the ruler used in different occasions are different, if the required numerical value is more accurate, higher technology is needed, the ruler is produced by means of a machine, except for the requirement of accurate numerical value, the second important point is the quality of the carved numerical value, a protective film is generally burnt on the ruler after the carved numerical value is finished, the third point is the selection of materials, the ruler is divided into a plastic ruler, a metal ruler and a wood ruler, the plastic ruler is mainly used for general students for using stationery, the metal ruler is more used in industry, and the wood ruler is mainly used for teaching.

In the drawing rule use on the market, compare the drawing rule function singleness, can not be for the person of drawing promotion efficiency, the range of application is less, and the drawing result is inaccurate, the problem of easy slip on paper, for this reason, we propose a drawing rule that the practicality is higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drawing rule for geography branch of academic or vocational study to in the drawing rule use that proposes in solving above-mentioned background art, compare the drawing rule function singleness, can not be for the person of drawing promotion efficiency, the range of application is less, and the drawing result is inaccurate, the problem of easy slip on paper.

In order to achieve the above object, the utility model provides a following technical scheme: a drawing ruler for geography subjects comprises a first ruler body and a hinge, wherein a ruler panel is arranged on the upper surface of the first ruler body, a functional groove is formed in the inner side of the ruler panel, a fitting block is fixed to the left end of the ruler panel, a first scale is arranged on the top end surface of the fitting block, a salient point is fixed on the surface of the first scale, the hinge is mounted on the right side of the first ruler body, a third ruler body is fixed to the right side of the hinge, a second ruler body is arranged above the third ruler body, a fitting groove is formed in the right end of the second ruler body, a second scale is arranged on the surface of the fitting groove, a concave point is arranged on the surface of the second scale, a third scale is arranged on the left side of the back of the third ruler body, a protractor is arranged on the surface of the second ruler body, a fourth scale is arranged on the right side of the protractor, a fifth scale is arranged on the left side surface of the back of the second ruler body, and a dimensionality scale is arranged on the right, the front surface of the second ruler body is provided with longitude scales.

Preferably, the functional groove is embedded in the inner surface of the first ruler body, and the fitting block is fixedly connected with the first ruler body.

Preferably, a clamping structure is formed between the combining block and the combining groove, and a clamping structure is formed between the convex point and the concave point.

Preferably, a rotating structure is formed between the hinge and the third blade, and the rotating angle range of the hinge and the third blade is 0-180 degrees.

Preferably, the third blade is matched with the first blade in shape and size, and the second blade is matched with the first blade in structure and size.

Preferably, the protractor is embedded in the inner surface of the second ruler body, and the fourth scale is tightly attached to the second ruler body.

Compared with the prior art, the beneficial effects of the utility model are that:

this drawing rule for geography subject is provided with the function groove, can be when using the ruler to draw, the instrument groove above utilizing assists the drawing, supplementary curve or the figure of drawing less distance, increase the degree of accuracy of topographic map, and it is more convenient to need not switching means and make its use, be provided with and close the piece with closing the groove, can let its accurate laminating when switching the ruler use let it be difficult for not hard up, and set up bump and concave point and can keep the same water flat line with its as support and second blade, let it can use the fifth scale, and increase the efficiency of drawing and let it fix and not slide easily on paper.

This drawing rule for geography branch of academic or vocational study is provided with hinge and third blade, can let it use the scale of this two kinds of differences of second scale and third scale, for calculating the map proportion provides convenience, and can direct convenient to use is swift when conveniently drawing the same proportion drawing, save the calculation time, be provided with the third blade, can let it use the dimension scale, can use the longitude scale with first blade together, let it can be on the picture volume read or mark, and make its usability improve to some extent, application scope is more extensive.

This drawing rule for geographical discipline is provided with the protractor, can let it have the function of measuring the angle and drawing the topographic map according to the angle, and the fourth scale can satisfy the fourth scale commonly used that the user drew the picture and used, makes the result of drawing scientific and accurate more.

Drawings

FIG. 1 is a schematic view of the front three-dimensional structure of the present invention;

FIG. 2 is a schematic structural view of a second blade of the present invention;

fig. 3 is a schematic view of the back three-dimensional structure of the present invention.

In the figure: 1. a first blade; 2. a ruler panel; 3. a functional groove; 4. combining blocks; 5. a first scale; 6. salient points; 7. a hinge; 8. a second blade; 9. a third blade; 10. a second scale; 11. concave points; 12. combining the grooves; 13. a third scale; 14. a protractor; 15. a fourth scale; 16. fifth scale marks; 17. dimension calibration; 18. longitude scale.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a drawing ruler for geography subjects comprises a first ruler body 1 and a hinge 7, wherein a ruler panel 2 is arranged on the upper surface of the first ruler body 1, a functional groove 3 is formed in the inner side of the ruler panel 2, a fitting block 4 is fixed at the left end of the ruler panel 2, a first scale 5 is arranged on the top end surface of the fitting block 4, the functional groove 3 is embedded in the inner surface of the first ruler body 1, the fitting block 4 is fixedly connected with the first ruler body 1, and the functional groove 3 is formed in the position, so that when the ruler is used for drawing, the tool groove on the ruler can be used for assisting in drawing, a curve or a figure with a small distance can be drawn, the accuracy of a topographic map is improved, and the ruler is more convenient to use without switching tools;

the salient points 6 are fixed on the surface of the first scale 5, the hinge 7 is installed on the right side of the first ruler body 1, the third ruler body 9 is fixed on the right side of the hinge 7, the second ruler body 8 is arranged above the third ruler body 9, a rotating structure is formed between the hinge 7 and the third ruler body 9, the rotating angle range of the hinge 7 and the third ruler body 9 is 0-180 degrees, the hinge 7 and the third ruler body 9 are arranged, two different scales, namely the second scale 10 and the third scale 13 can be used, convenience is provided for calculating the proportion of a drawing, the second scale and the third scale can be directly used conveniently and quickly when the drawing with the same proportion is convenient, and the calculating time is saved; the right end of the second ruler body 8 is provided with a close groove 12, the surface of the close groove 12 is provided with a second scale 10, the surface of the second scale 10 is provided with a concave point 11, a clamping structure is formed between the close block 4 and the close groove 12, a clamping structure is formed between the convex point 6 and the concave point 11, the close block 4 and the close groove 12 are arranged, the ruler can be precisely attached to enable the ruler not to be easily loosened when the ruler is switched to be used, the convex point 6 and the concave point 11 can be used as a support to be kept on the same horizontal line with the second ruler body 8, the fifth scale 16 can be used, the drawing efficiency is increased, and the ruler is fixed on paper and not easily slide;

the left side of the back of the third ruler body 9 is provided with a third scale 13, the third ruler body 9 is matched with the external dimension of the first ruler body 1, the second ruler body 8 is matched with the structural dimension of the first ruler body 1, the third ruler body 9 is arranged, a dimension scale 17 can be used, a longitude scale 18 can be used together with the first ruler body 1, the third ruler body can be read or marked on a graph, the usability of the third ruler body is improved, and the application range is wider; the surface of the second ruler body 8 is provided with the protractor 14, the right side of the protractor 14 is provided with the fourth scale 15, the protractor 14 is embedded in the inner surface of the second ruler body 8, the fourth scale 15 is tightly attached to the second ruler body 8, the protractor 14 is arranged, the protractor has the functions of measuring an angle and drawing a topographic map according to the angle, and the fourth scale 15 can meet the requirement of a user on drawing a fourth common scale, so that the drawing result is more scientific and accurate; the left surface of the back of the second ruler body 8 is provided with a fifth scale 16, the right side of the fifth scale 16 is provided with a latitude scale 17, and the front surface of the second ruler body 8 is provided with a longitude scale 18.

The working principle is as follows: for the drawing ruler, the first scale 5 on the first ruler body 1 and the function groove 3 on the ruler panel 2 can be used, then the second scale 10 on the second ruler body 8 can be used according to needs, then the second ruler body 8 is turned leftwards through the hinge 7, the fitting block 4 is matched and fixed with the fitting groove 12, the convex point 6 is clamped with the concave point 11, the third scale 13 on the back surface of the second ruler body 8 and the fourth scale 15 on the surface of the third ruler body 9 can be used, then the protractor 14 can be used according to needs, then the first ruler body 1 and the third ruler body 9 are turned integrally to the back surface, the fifth scale 16 can be used, and the latitude scale 17 and the longitude scale 18 can be used, so that the using process of the whole drawing ruler is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A drawing rule for geography, comprising a first blade (1) and a hinge (7), characterized in that: the upper surface of the first ruler body (1) is provided with a ruler panel (2), the inner side of the ruler panel (2) is provided with a functional groove (3), the left end of the ruler panel (2) is fixed with a fitting block (4), the top end surface of the fitting block (4) is provided with a first scale (5), the surface of the first scale (5) is fixed with a salient point (6), the hinge (7) is installed on the right side of the first ruler body (1), the right side of the hinge (7) is fixed with a third ruler body (9), a second ruler body (8) is arranged above the third ruler body (9), the right end of the second ruler body (8) is provided with a fitting groove (12), the surface of the fitting groove (12) is provided with a second scale (10), the surface of the second scale (10) is provided with a concave point (11), the left side of the back of the third ruler body (9) is provided with a third scale (13), and the surface of the second ruler body (8) is provided with a protractor (14), and the right side of protractor (14) is provided with fourth scale (15), the back left surface of second blade (8) is provided with fifth scale (16), and the right side of fifth scale (16) is provided with latitude scale (17), the place ahead surface of second blade (8) is provided with longitude scale (18).

2. A drawing rule for geography according to claim 1, wherein: the function groove (3) is embedded in the inner surface of the first ruler body (1), and the combination block (4) is fixedly connected with the first ruler body (1).

3. A drawing rule for geography according to claim 1, wherein: the combination block (4) and the combination groove (12) form a clamping structure, and the salient point (6) and the concave point (11) form a clamping structure.

4. A drawing rule for geography according to claim 1, wherein: a rotating structure is formed between the hinge (7) and the third ruler body (9), and the rotating angle range of the hinge (7) and the third ruler body (9) is 0-180 degrees.

5. A drawing rule for geography according to claim 1, wherein: the third ruler body (9) is matched with the first ruler body (1) in shape and size, and the second ruler body (8) is matched with the first ruler body (1) in structure and size.

6. A drawing rule for geography according to claim 1, wherein: the protractor (14) is embedded in the inner surface of the second ruler body (8), and the fourth scale (15) is tightly attached to the second ruler body (8).