CN201154626Y - Set square - Google Patents
Set square Download PDFInfo
- Publication number
- CN201154626Y CN201154626Y CNU2007201860496U CN200720186049U CN201154626Y CN 201154626 Y CN201154626 Y CN 201154626Y CN U2007201860496 U CNU2007201860496 U CN U2007201860496U CN 200720186049 U CN200720186049 U CN 200720186049U CN 201154626 Y CN201154626 Y CN 201154626Y
- Authority
- CN
- China
- Prior art keywords
- set square
- plate body
- utility
- model
- square body
- 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
- 239000000853 adhesive Substances 0.000 abstract 2
- 230000001070 adhesive effect Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model relates to a set square which comprises a set square body and adhesive discs; each angle of the set square body is provided with an adhesive disc; the center of the set square body is provided with a semi-circle angle measuring scale; a vertical scale is arranged at one end of the set square body. The set square of the utility model has simple structure, is convenient to use and can effectively help teachers draw triangles on the blackboard.
Description
Technical field
The utility model relates to a kind of teaching aid, especially a kind of set square.
The existing set square of technical background, be mainly used to the picture triangle, it is better that this set square is drawn triangle on paper, if but to draw the triangle effect in teaching on blackboard bad, its reason person of being to use must be fixed on the blackboard with the handgrip set square, operation inconvenience.
Summary of the invention
The purpose of this utility model provides a kind of leg-of-mutton set square of drawing simple in structure on blackboard.
For achieving the above object, the utility model set square comprises plate body and sucker, and for be respectively equipped with sucker on three angles of plate body, the center of plate body is provided with 1/2 round angle measuring calibration, and is provided with vertical scale at an end of plate body.
After adopting said structure, this set square can utilize sucker to be fixed on the blackboard, and the vertical scale of a plate body middle part protractor and an end is convenient for people to use.
The utility model has the advantages that: simple in structure, easy to use, can help the teacher on blackboard, to draw triangle effectively.
Description of drawings
Fig. 1 is the utility model set square overall structure schematic diagram.
The specific embodiment
Show that as Fig. 1 the utility model set square comprises plate body 1 and sucker 2, for be respectively equipped with sucker 2 on three angles of plate body 1, the center of plate body 1 is provided with 1/2 round angle measuring calibration 4, and is provided with vertical scale 3 at an end of plate body 1.This set square can utilize sucker to be fixed on the blackboard, and the vertical scale of a plate body middle part protractor and an end is convenient for people to use.
Claims (1)
1, a kind of set square, comprise plate body (1) and sucker (2), it is characterized in that: be respectively equipped with sucker (2) on three angles of plate body (1), the center of plate body (1) is provided with round 1/2 angle measuring calibration (4), and is provided with vertical scale (3) at an end of plate body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201860496U CN201154626Y (en) | 2007-12-27 | 2007-12-27 | Set square |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201860496U CN201154626Y (en) | 2007-12-27 | 2007-12-27 | Set square |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201154626Y true CN201154626Y (en) | 2008-11-26 |
Family
ID=40102414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201860496U Expired - Fee Related CN201154626Y (en) | 2007-12-27 | 2007-12-27 | Set square |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201154626Y (en) |
-
2007
- 2007-12-27 CN CNU2007201860496U patent/CN201154626Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |