CN202439441U - Combined ruler - Google Patents
Combined ruler Download PDFInfo
- Publication number
- CN202439441U CN202439441U CN2012200418269U CN201220041826U CN202439441U CN 202439441 U CN202439441 U CN 202439441U CN 2012200418269 U CN2012200418269 U CN 2012200418269U CN 201220041826 U CN201220041826 U CN 201220041826U CN 202439441 U CN202439441 U CN 202439441U
- Authority
- CN
- China
- Prior art keywords
- ruler
- set square
- rule
- circle
- triangular
- 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
The utility model discloses a combined ruler. The combined ruler mainly consists of a triangular ruler, a circular circle, a dividing ruler and concave-convex joint grooves. The circular circle is arranged inside the triangular ruler and the dividing ruler is arranged inside the circular circle. The concave-convex joint grooves are arranged at the upper and lower ends of the triangular ruler. The triangular ruler is provided with scale marks and the circular circle is provided with angle lines. The combined ruler can be divided into a protractor with the dividing ruler, and the triangular ruler and is convenient and practical.
Description
Technical field
The utility model relates to the cultural goods field, is specifically related to a kind of combination ruler.
Background technology
General ruler can not split combination, when the student maps, needs to draw simultaneously circle, triangle or measures with rule, and general ruler does not possess the function of picture circle, and can not make up fractionation, and is convenient inadequately during picture group.
Summary of the invention
The purpose of the utility model will solve in the prior art exactly; When the student maps, need sometimes will draw circle simultaneously and measure with rule, general ruler does not possess the function of picture circle, and can not make up fractionation; Problem easily inadequately during mapping provides a kind of combination ruler.
The technical scheme that the utility model adopts is: combination ruler; Mainly form by set square (1), annular circle (2), rule (3), concavo-convex interface slot (4); It is characterized in that: the inside of set square (1) has the inside of annular circle (2), annular circle (2) that rule (3) is arranged; The upper and lower side of set square (1) has concavo-convex interface slot (4), and set square has graduation mark on (1), on the annular circle (2) angle line is arranged.
The beneficial effect of the utility model is: can split into the protractor and the set square of band rule, and convenient and practical.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further explain.
Figure is the structural representation of the utility model.
Among the figure: 1, set square, 2, annular circle, 3, rule, 4, concavo-convex interface slot.
The specific embodiment
Like figure; Combination ruler; Mainly be made up of set square (1), annular circle (2), rule (3), concavo-convex interface slot (4), it is characterized in that: the inside of set square (1) has the inside of annular circle (2), annular circle (2) that rule (3) is arranged, and the upper and lower side of set square (1) has concavo-convex interface slot (4); Set square has graduation mark on (1), on the annular circle (2) angle line is arranged.Can split into the protractor and the set square of band rule, convenient and practical.
Claims (1)
1. combination ruler; Mainly form by set square (1), annular circle (2), rule (3), concavo-convex interface slot (4); It is characterized in that: the inside of set square (1) has the inside of annular circle (2), annular circle (2) that rule (3) is arranged; The upper and lower side of set square (1) has concavo-convex interface slot (4), and set square has graduation mark on (1), on the annular circle (2) angle line is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200418269U CN202439441U (en) | 2012-02-09 | 2012-02-09 | Combined ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200418269U CN202439441U (en) | 2012-02-09 | 2012-02-09 | Combined ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202439441U true CN202439441U (en) | 2012-09-19 |
Family
ID=46820895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200418269U Expired - Fee Related CN202439441U (en) | 2012-02-09 | 2012-02-09 | Combined ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202439441U (en) |
-
2012
- 2012-02-09 CN CN2012200418269U patent/CN202439441U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20130209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |