CN201257850Y - Multipurpose teaching aid - Google Patents
Multipurpose teaching aid Download PDFInfo
- Publication number
- CN201257850Y CN201257850Y CNU2008200268208U CN200820026820U CN201257850Y CN 201257850 Y CN201257850 Y CN 201257850Y CN U2008200268208 U CNU2008200268208 U CN U2008200268208U CN 200820026820 U CN200820026820 U CN 200820026820U CN 201257850 Y CN201257850 Y CN 201257850Y
- Authority
- CN
- China
- Prior art keywords
- main body
- ruler main
- teaching aid
- ruler
- auxilliary chi
- 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
Links
Images
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a multi-purpose teaching aid chi, it is mainly connected by the connecting axle between ruler main part and the auxiliary scale, and the auxiliary scale has the spout, has the sliding block on the spout, is connected with the fixer of fixed chalk on the sliding block. The utility model can be used as a ruler, compasses, protractor and teaching rod, and has simple structure, convenient use and easy operation.
Description
Technical field
The utility model provides a kind of multipurpose educational apparatus.
Background technology
At present on teaching classroom, as will be when the blackboard upper drawing circle, generally will be by means of compasses, also will be when drawing the angle by the teaching aid protractor, it also is independent teaching bar simultaneously, disperse teacher's notice like this, use inconvenient.
Summary of the invention
In order to solve the above problem, the utility model provides a kind of teaching aids of using convenient to use more; It is made up of ruler main body and auxilliary chi, connects by connecting axle between ruler main body and the auxilliary chi, on the auxilliary chi chute is arranged, and sliding shoe is arranged on the chute, on the chute by the fixing fixator of chalk; Angle and scale are arranged on the ruler main body.
Description of drawings
Fig. 1 uses the structural representation of teaching aid more;
The specific embodiment
Use teaching aid a kind of, it mainly is to be made of ruler main body 1 and auxilliary chi 2 more, connects by connecting axle 3 between ruler main body 1 and the auxilliary chi 2, on the auxilliary chi 2 chute 4 is arranged, sliding shoe 5 is arranged on the chute 4,6 of fixing chalk is arranged on the sliding shoe 5, angle and scale are arranged on the ruler main body 1.Angle on the ruler main body is corresponding with the angulation between ruler main body and the auxilliary chi; Draw bowlder, chalk is contained in the chalk fixator, adjust sliding shoe to determine radius of a circle, the ruler main body is attached on the blackboard, rotate auxilliary chi, circle can draw; When drawing the angle, by the ruler main body horizontal line that draws, angle on the ruler main body is aimed at auxilliary chi edge prolong the ruler main body straight line that draws, the angle between two lines is identical with the demonstration of angle.Rotate auxilliary chi and become 180 degree can do the use of religion bar with the ruler main body, utilize ruler main body scale also can make ruler separately and use.
Claims (1)
- A kind of teaching aid of using more, it mainly is by ruler main body (1) and auxilliary chi (2), it is characterized in that connecting by connecting axle (3) between described ruler main body (1) and the auxilliary chi, chute (4) is arranged on the described auxilliary chi (2), slide block (5) is arranged on the described chute (4), be connected with chalk fixator (6) on the described slide block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200268208U CN201257850Y (en) | 2008-08-15 | 2008-08-15 | Multipurpose teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200268208U CN201257850Y (en) | 2008-08-15 | 2008-08-15 | Multipurpose teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201257850Y true CN201257850Y (en) | 2009-06-17 |
Family
ID=40772080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200268208U Expired - Fee Related CN201257850Y (en) | 2008-08-15 | 2008-08-15 | Multipurpose teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201257850Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632749A (en) * | 2012-04-07 | 2012-08-15 | 福建农林大学 | Multifunctional combined drawing instrument |
| CN105716490A (en) * | 2016-01-28 | 2016-06-29 | 苏州莱测检测科技有限公司 | Multifunctional auxiliary measuring rule |
| CN110774805A (en) * | 2019-11-06 | 2020-02-11 | 陕西科技大学 | Compasses for teaching |
-
2008
- 2008-08-15 CN CNU2008200268208U patent/CN201257850Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632749A (en) * | 2012-04-07 | 2012-08-15 | 福建农林大学 | Multifunctional combined drawing instrument |
| CN105716490A (en) * | 2016-01-28 | 2016-06-29 | 苏州莱测检测科技有限公司 | Multifunctional auxiliary measuring rule |
| CN110774805A (en) * | 2019-11-06 | 2020-02-11 | 陕西科技大学 | Compasses for teaching |
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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: 20090617 Termination date: 20090915 |