CN202163191U - Circle drawing plate for political economy teaching - Google Patents
Circle drawing plate for political economy teaching Download PDFInfo
- Publication number
- CN202163191U CN202163191U CN2011202716963U CN201120271696U CN202163191U CN 202163191 U CN202163191 U CN 202163191U CN 2011202716963 U CN2011202716963 U CN 2011202716963U CN 201120271696 U CN201120271696 U CN 201120271696U CN 202163191 U CN202163191 U CN 202163191U
- Authority
- CN
- China
- Prior art keywords
- circle
- teaching
- drawing plate
- political economy
- circle drawing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A circle drawing plate for political economy teaching belongs to the technical field of education tools. The technical scheme is that the circle drawing plate comprises a circle bottom plate and a hollow circle hole. The teaching circle drawing plate is characterized in that five finger slots are arranged on the circle bottom plate. The teaching circle drawing plate is simple in structure, and is easy and convenient to operate and easy to align and improves teaching effects when college students are in political economy courses.
Description
Technical field
The utility model belongs to the educational outfit technical field, is that the picture plectane is used in a kind of political economy teaching specifically.
Background technology
During the political economy course, the teacher need represent the coherent element in the political economy course with the drawing with coloured chalk circle on blackboard on to the university student, and need distinguish the corresponding relation between the coherent element with the size of circle.Traditional picture circle method, except fully with the sensation picture, cause figure inaccurate outside, also have the teacher to draw circle with the general plectane of drawing; But because the special media of blackboard, often traditional picture plectane is difficult to fixing, skids easily; Troublesome poeration not only, and be not easy alignment, influence teaching efficiency.
The utility model content
The purpose of the utility model provides a kind of political economy teaching easy and simple to handle during the political economy course on to the university student, that teaching efficiency is good and uses the picture plectane.Not only great circle can be drawn, roundlet can also be drawn simultaneously.
The technical scheme of the utility model is: the picture plectane is used in the political economy teaching, comprises circular bottom plate and hollow circular hole, it is characterized in that: on said circular bottom plate, be provided with 5 and refer to groove.
The beneficial effect of the utility model is: the utility model is simple in structure, and alignment easy and simple to handle, easy during the political economy course has improved teaching efficiency on to the university student.
Description of drawings
Accompanying drawing 1 is the utility model structural representation;
Among the figure: 1 circular bottom plate, 2 refer to groove, 3 hollow circular holes
The specific embodiment
Comprise circular bottom plate 1 and hollow circular hole 3, it is characterized in that: on said circular bottom plate 1, be provided with 5 and refer to groove 2.On to the university student, during the political economy course, need the corresponding relation between the picture circle expression element.The teacher can be with left-hand finger by in referring to groove 2, and the right hand great circle of drawing around circular bottom plate 1 outer ring can also be around hollow circular hole 3 roundlet that draws.
Claims (1)
1. the picture plectane is used in the political economy teaching, comprises circular bottom plate (1) and hollow circular hole (3), it is characterized in that: on said circular bottom plate (1), be provided with 5 and refer to groove (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202716963U CN202163191U (en) | 2011-07-27 | 2011-07-27 | Circle drawing plate for political economy teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202716963U CN202163191U (en) | 2011-07-27 | 2011-07-27 | Circle drawing plate for political economy teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202163191U true CN202163191U (en) | 2012-03-14 |
Family
ID=45799041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202716963U Expired - Fee Related CN202163191U (en) | 2011-07-27 | 2011-07-27 | Circle drawing plate for political economy teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202163191U (en) |
-
2011
- 2011-07-27 CN CN2011202716963U patent/CN202163191U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhang Bo Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Zhang Bo Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20120727 |