CN214324748U - Combined drawing tool for teaching - Google Patents
Combined drawing tool for teaching Download PDFInfo
- Publication number
- CN214324748U CN214324748U CN202023024228.4U CN202023024228U CN214324748U CN 214324748 U CN214324748 U CN 214324748U CN 202023024228 U CN202023024228 U CN 202023024228U CN 214324748 U CN214324748 U CN 214324748U
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- main body
- protractor
- ruler
- radian
- teaching
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Abstract
A combined drawing tool for teaching comprises a protractor main body, a support bottom edge, a support base, a drawing mechanism and a drawing mechanism, wherein the protractor main body is positioned on the bottom surface of the protractor main body, the support bottom edge is integrally arranged on the edge of a radian edge of the protractor main body, the support bottom edge is in a semicircular ring form, and the radian of the support bottom edge is attached to the radian of the protractor main body; the ruler main body is rotatably arranged on the bottom surface of the protractor main body, and the rotating point of the ruler main body is located at the circle center of the protractor main body. The utility model discloses simple structure, convenient to use, low in cost and easy to maintain have solved the teaching that exists among the prior art through simple structure and have used inconvenient all sorts of problems with drawing tool, have realized the light drawing of set length straight line, deformity angle contained angle and set radius circle, also can draw polygon, set angle's triangle-shaped and circular lamp pattern through single instrument. And the chalk sleeve is arranged to facilitate drawing.
Description
Technical Field
The utility model relates to a teaching aid field especially relates to a combination formula drawing tool is used in teaching.
Background
Teaching drawing process is different from pen and paper drawing process, need set up graphics primitive on the blackboard and draw, and the instrument that needs is comparatively loaded down with trivial details, including large-scale for drawing teaching aids such as ruler, set-square and compasses, too heavy and carry inconveniently, the preparation figure change instrument repeatedly, the process consumes teaching time again, and lacks a light again on the current market, and the function is powerful, teaching is with the graphics primitive.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art weak point, provide a simple structure, safe and reliable, convenient to use's a combination formula drawing tool is used in teaching.
The equipment comprises a straight ruler part and a protractor part, wherein the straight ruler part is rotationally connected with the protractor part;
the protractor part comprises a protractor main body, a support bottom edge is integrally arranged on the radian edge of the protractor main body, the support bottom edge is in a semicircular ring form, and the radian of the support bottom edge is attached to the radian of the protractor main body;
the ruler part comprises a ruler main body, a chalk sleeve A and an elastic closing sleeve form of the chalk sleeve A are arranged on the ruler main body in a sliding mode, and the chalk sleeve A is used for sleeving chalk;
the straight ruler main body is rotatably arranged on the bottom surface of the protractor main body, and the rotating point of the straight ruler main body is positioned at the circle center of the protractor main body;
further, the sliding arrangement mode of the chalk sleeve A can adopt the following modes: a sliding groove is formed in the ruler main body, and a chalk sleeve A is arranged in the sliding groove in a sliding mode.
Further, a chalk sleeve B is fixedly arranged on the protractor body, and the setting position of the chalk sleeve B is located on an axis of 90-degree scales.
The utility model has the advantages that: the utility model discloses simple structure, convenient to use, low in cost and easy to maintain have solved the teaching that exists among the prior art through simple structure and have used inconvenient all sorts of problems with drawing tool, have realized the light drawing of set length straight line, deformity angle contained angle and set radius circle, also can draw polygon, set angle's triangle-shaped and circular lamp pattern through single instrument. And the chalk sleeve is arranged to facilitate drawing.
Drawings
Fig. 1 is a schematic structural diagram of a teaching combination drawing tool according to the present invention;
fig. 2 is a schematic partial structure diagram of a combined drawing tool for teaching according to the present invention;
reference numerals:
1-protractor body 2-chalk sleeve B3-chalk sleeve A4-ruler body
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
Referring to fig. 1, the combined drawing tool for teaching of the present invention comprises a ruler portion and a protractor portion, wherein the ruler portion is rotatably connected with the protractor portion;
the protractor part comprises a protractor main body 1, wherein the protractor main body 1 is positioned on the bottom surface of the protractor main body 1, a support bottom edge is integrally arranged on the edge of the radian edge of the protractor main body, the support bottom edge is in a semicircular ring form, and the radian of the support bottom edge is attached to the radian of the protractor main body 1;
the ruler part comprises a ruler main body 4, a chalk sleeve A3 and a chalk sleeve A3 are arranged on the ruler main body 4 in a sliding mode and in an elastic closing sleeve mode, and the chalk sleeve A3 is used for sleeving chalks;
the straight scale main body 4 is rotatably arranged on the bottom surface of the protractor main body 1, and the rotating point of the straight scale main body is positioned at the circle center of the protractor main body 1;
further, the sliding arrangement of the chalk sleeve A3 can adopt the following forms: a sliding groove is formed in the ruler main body 4, and a chalk sleeve A3 is arranged in the sliding groove in a sliding mode.
Further, a chalk sleeve B2 is fixedly arranged on the protractor body 1, and the setting position of the chalk sleeve B2 is located on the axis of the 90-degree scale.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. The utility model provides a combination drawing tool is used in teaching, includes ruler part and protractor part, ruler part and protractor part are connected in rotation, its characterized in that: the protractor part comprises a protractor main body, a support bottom edge is integrally arranged on the radian edge of the protractor main body, the support bottom edge is in a semicircular ring form, and the radian of the support bottom edge is attached to the radian of the protractor main body;
the ruler part comprises a ruler main body, a chalk sleeve A is arranged on the ruler main body in a sliding mode, and the chalk sleeve A is in an elastic closing sleeve mode;
the ruler main body is rotatably arranged on the bottom surface of the protractor main body, and the rotating point of the ruler main body is located at the circle center of the protractor main body.
2. The teaching combined drawing tool as claimed in claim 1, wherein the sliding arrangement of the chalk sleeve A can be as follows: a sliding groove is formed in the ruler main body, and a chalk sleeve A is arranged in the sliding groove in a sliding mode.
3. The teaching combined drawing tool as claimed in claim 1, wherein the protractor body is fixedly provided with a chalk sleeve B, and the chalk sleeve B is arranged on an axis of a 90-degree scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023024228.4U CN214324748U (en) | 2020-12-15 | 2020-12-15 | Combined drawing tool for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023024228.4U CN214324748U (en) | 2020-12-15 | 2020-12-15 | Combined drawing tool for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214324748U true CN214324748U (en) | 2021-10-01 |
Family
ID=77901582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023024228.4U Active CN214324748U (en) | 2020-12-15 | 2020-12-15 | Combined drawing tool for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214324748U (en) |
-
2020
- 2020-12-15 CN CN202023024228.4U patent/CN214324748U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |