CN201304823Y - Ruler special for drawing parallel lines - Google Patents
Ruler special for drawing parallel lines Download PDFInfo
- Publication number
- CN201304823Y CN201304823Y CNU2008201411218U CN200820141121U CN201304823Y CN 201304823 Y CN201304823 Y CN 201304823Y CN U2008201411218 U CNU2008201411218 U CN U2008201411218U CN 200820141121 U CN200820141121 U CN 200820141121U CN 201304823 Y CN201304823 Y CN 201304823Y
- Authority
- CN
- China
- Prior art keywords
- ruler
- parallel lines
- rulers
- special
- utility
- 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 relates to a teaching aid. Currently, no ruler special for easily drawing parallel lines is found, which is not ideal. The utility model relates to a ruler special for drawing parallel lines, which consists of rulers and lifting devices, and is characterized in that two sets of lifting devices are arranged on the ends of the two rulers; and the rulers and the lifting devices are connected together by rotating shafts and screws. Consequently, the ruler can freely move 'in parallel', which is convenient for drawing parallel lines. The ruler has the advantages of simple structure, convenient use and good parallel line drawing effect.
Description
Technical field
The utility model relates to a kind of teaching aid.
Background technology
At present, the special ruler teaching aid that Shang Weijian draws parallel lines easily, not ideal.
Summary of the invention
In order to overcome above-mentioned deficiency, the utility model provides a kind of special ruler that draws parallel lines, and just can reach the convenient purpose that draws parallel lines.
The technical scheme in the invention for solving the technical problem is: by ruler and draw high the special ruler that draws parallel lines that device is formed, it is characterized in that: be provided with two groups two ruler ends and draw high device, ruler and draw high device and connect together by shaft screw.Ruler just can free " parallel " move like this, is convenient to draw parallel lines.
The beneficial effects of the utility model are: simple in structure, easy to use, draw parallel lines effective.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is the utility model panorama schematic diagram.
Schematic diagram when Fig. 2 uses for the utility model.
1. rulers among the figure 2. draw high device, 3. shaft screw.
The specific embodiment
Among Fig. 1, be provided with two groups in two rulers (1) end and draw high device (2), ruler with draw high device and connect together by shaft screw (3).Ruler just can free " parallel " move like this, is convenient to draw parallel lines.
Claims (1)
1, a kind of special ruler that draws parallel lines by ruler with draw high device and forms, is characterized in that: be provided with two groups in two rulers (1) end and draw high device (2), ruler and draw high device and connect together by shaft screw (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201411218U CN201304823Y (en) | 2008-11-03 | 2008-11-03 | Ruler special for drawing parallel lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201411218U CN201304823Y (en) | 2008-11-03 | 2008-11-03 | Ruler special for drawing parallel lines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201304823Y true CN201304823Y (en) | 2009-09-09 |
Family
ID=41097284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201411218U Expired - Fee Related CN201304823Y (en) | 2008-11-03 | 2008-11-03 | Ruler special for drawing parallel lines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201304823Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130627A (en) * | 2018-08-20 | 2019-01-04 | 西安工程大学 | It is a kind of for drawing the drawing tool of bisector and parallel lines |
-
2008
- 2008-11-03 CN CNU2008201411218U patent/CN201304823Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130627A (en) * | 2018-08-20 | 2019-01-04 | 西安工程大学 | It is a kind of for drawing the drawing tool of bisector and parallel lines |
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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: 20090909 Termination date: 20101103 |