CN201922780U - Compass-combined set square for teaching - Google Patents
Compass-combined set square for teaching Download PDFInfo
- Publication number
- CN201922780U CN201922780U CN2010206340856U CN201020634085U CN201922780U CN 201922780 U CN201922780 U CN 201922780U CN 2010206340856 U CN2010206340856 U CN 2010206340856U CN 201020634085 U CN201020634085 U CN 201020634085U CN 201922780 U CN201922780 U CN 201922780U
- Authority
- CN
- China
- Prior art keywords
- teaching
- set square
- compass
- rotating arm
- combined
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a compass-combined set square for teaching, which is characterized in that one end of a rotating arm is respectively provided with through holes that are same in size, the rotating arm is arranged above a hypotenuse plate of the set square and hinged with the set square through a screw and a butterfly bolt, and the other end of the rotating arm is provided with a chopstick chalk clamping device. With the design of the combined type compass-combined set square for teaching, teachers can conveniently draw figures with rulers and compasses by only one teaching aid in the teaching process, so that complexity in using various teaching aids and frequency of changing the teaching aids are reduced effectively, and the teaching quality and classroom efficiency of the teachers are improved.
Description
Technical field
The utility model relates to a kind of teaching aid, specifically a kind of educational compasses set square.
Background technology
At present; most of math teachers are when giving lessons; often use ruler and do the teaching of on blackboard, drawing of the principle of figure; usually the teachers association prepares a set square and compasses at least; like this teacher on blackboard, do in the process of figure can be frequent in addition frequent replacing hand in set square and compasses; be figure to finish the chi rail, influence quality of instruction again, bring very big inconvenience to the academics and students but frequent like this replacing promptly delays instructional blocks of time.
The utility model content
Technology technical assignment of the present utility model is to overcome above-mentioned shortcoming, and a kind of combined teaching method Combination of compass and trangle is provided.
The technical solution of the utility model realizes in the following manner, this combination worker educational compasses set square, one end of cursor has the identical through hole of size with the tiltedly moving one side of set square, cursor is arranged on the top of set square hypotenuse plate and hinged by screw and toad bolt and set square, and the other end of cursor is provided with the chalk clamping device.
The utility model has the advantages that: the combined type design of this combined teaching method Combination of compass and trangle makes the teacher, and only just can conveniently finish ruler with a teaching aid is figure in teaching process, effectively reduced and used the numerous and diverse of multiple teaching aid and change frequency, improved teacher's quality of instruction and classroom efficiency.
Description of drawings
Accompanying drawing 1 is the structural representation of this combined teaching method Combination of compass and trangle.
Mark in the accompanying drawing 1 is represented respectively:
1, cursor; 2, set square; 3, Y type bolt; 4, screw washer; 5, chalk clamping device; 6, protractor; 7, scale; 8, compasses handle.
The specific embodiment
Below in conjunction with accompanying drawing to describing in detail below the combined teaching method Combination of compass and trangle of the present utility model.
As shown in Figure 1, combined teaching method Combination of compass and trangle of the present utility model, it is characterized in that an end of cursor 1 and an end of set square 2 hypotenuses have the identical through hole of size, rotation is put above set square 2 hypotenuse plates and is hinged with set square 2 by screw 3 and butterfly bolt 4, rotates the other end and industry is set has the chalk clamping to be provided with 5.
Claims (1)
1. educational compasses set square, it is characterized in that an end of cursor and an end of set square hypotenuse have the identical through hole of size, cursor is arranged on the top of set square hypotenuse plate and hinged by screw and butterfly bolt and set square, and the other end of cursor is provided with the chalk clamping device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206340856U CN201922780U (en) | 2010-12-01 | 2010-12-01 | Compass-combined set square for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206340856U CN201922780U (en) | 2010-12-01 | 2010-12-01 | Compass-combined set square for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201922780U true CN201922780U (en) | 2011-08-10 |
Family
ID=44426648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206340856U Expired - Fee Related CN201922780U (en) | 2010-12-01 | 2010-12-01 | Compass-combined set square for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201922780U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106864121A (en) * | 2017-03-15 | 2017-06-20 | 李路平 | A kind of mathematical education teaching aid |
-
2010
- 2010-12-01 CN CN2010206340856U patent/CN201922780U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106864121A (en) * | 2017-03-15 | 2017-06-20 | 李路平 | A kind of mathematical education teaching aid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20111201 |