CN201728989U - Foldable straight ruler - Google Patents
Foldable straight ruler Download PDFInfo
- Publication number
- CN201728989U CN201728989U CN2010201417461U CN201020141746U CN201728989U CN 201728989 U CN201728989 U CN 201728989U CN 2010201417461 U CN2010201417461 U CN 2010201417461U CN 201020141746 U CN201020141746 U CN 201020141746U CN 201728989 U CN201728989 U CN 201728989U
- Authority
- CN
- China
- Prior art keywords
- ruler
- straight ruler
- chi
- utility
- foldable straight
- 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
Abstract
The utility model provides a teaching aid which can be conveniently used, in particular to a foldable straight ruler. The utility model has the technical scheme that the foldable straight ruler is characterized in that a first ruler, a second ruler and a third ruler are flexibly connected through a lock clasp, and has the beneficial effects that the foldable straight ruler has simple structure, is convenient to use, is easy to place, and is convenient to carry.
Description
Technical field
The utility model relates to a kind of teaching aid, specifically is a kind of folding ruler.
Background technology
In mathematical education, often use ruler, existing ruler generally be by one independently the chi body constitute, this has brought certain difficulty for length of picture straight line.
Summary of the invention
The utility model is in order to solve above-described problem, a kind of teaching aid easy to use is provided, specifically be a kind of folding ruler, its technical scheme is: a kind of folding ruler is characterized in that: be movably connected by spinner between first chi, second chi, the 3rd chi.
The beneficial effects of the utility model are: simple in structure, easy to use, be easy to place, be easy to carry.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
First chi 1, second chi 2, the 3rd chi 3, spinner 4 are arranged among the figure.
The specific embodiment
With reference to the accompanying drawings, the utility model provides a kind of teaching aid easy to use, specifically be a kind of folding ruler, its technical scheme is: a kind of folding ruler is characterized in that: be movably connected by spinner 4 between first chi 1, second chi 2, the 3rd chi 3.The utility model generally adopts plastic material to make, and can save cost, have simple in structure, easy to use, characteristics such as be easy to place, be easy to carry.
Claims (1)
1. a folding ruler is characterized in that: be movably connected by spinner (4) between first chi (1), second chi (2), the 3rd chi (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201417461U CN201728989U (en) | 2010-03-23 | 2010-03-23 | Foldable straight ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201417461U CN201728989U (en) | 2010-03-23 | 2010-03-23 | Foldable straight ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201728989U true CN201728989U (en) | 2011-02-02 |
Family
ID=43520148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201417461U Expired - Fee Related CN201728989U (en) | 2010-03-23 | 2010-03-23 | Foldable straight ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201728989U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139611A (en) * | 2017-03-21 | 2017-09-08 | 南宁市黑晶信息技术有限公司 | A kind of foldable multifunctional chi of teaching |
| CN111201418A (en) * | 2017-08-21 | 2020-05-26 | 沃尔夫克拉夫特公司 | Folding ruler accessory |
-
2010
- 2010-03-23 CN CN2010201417461U patent/CN201728989U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139611A (en) * | 2017-03-21 | 2017-09-08 | 南宁市黑晶信息技术有限公司 | A kind of foldable multifunctional chi of teaching |
| CN111201418A (en) * | 2017-08-21 | 2020-05-26 | 沃尔夫克拉夫特公司 | Folding ruler accessory |
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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: 20110202 Termination date: 20120323 |