CN202896057U - Ruler capable of being converted between metric system and British system and convenient to hold - Google Patents
Ruler capable of being converted between metric system and British system and convenient to hold Download PDFInfo
- Publication number
- CN202896057U CN202896057U CN 201220616411 CN201220616411U CN202896057U CN 202896057 U CN202896057 U CN 202896057U CN 201220616411 CN201220616411 CN 201220616411 CN 201220616411 U CN201220616411 U CN 201220616411U CN 202896057 U CN202896057 U CN 202896057U
- Authority
- CN
- China
- Prior art keywords
- ruler
- metric
- convenient
- numerical value
- metric system
- 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)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
A ruler capable of being converted between a metric system and a British system and convenient to hole relates to a teaching aid for a university teacher. The ruler can be converted between the metric system and the British system without other teaching aids to bring convenience to teaching of the university teacher and simultaneously is convenient to hold. One side of the ruler is provided with a metric system value mark line and a British system value mark line which are abreast arranged along the length direction of the ruler, the metric system value mark line is arranged close to the straight ruler side, the British system value mark line is arranged adjacent to the metric system value mark line, and an integrally-formed handle is positioned on a ruler face of the ruler close to the other straight lateral side of the ruler. The ruler capable of being converted between the metric system and the British system and convenient to hold is applied to university classes and brings convenience to teaching of the teacher.
Description
Technical field
The utility model relates to the teaching aid that a kind of university teacher uses, particularly a kind of metric and English ruler that can change and be convenient to hand.
Background technology
In the teaching of university, run into sometimes and carry out first the situation that the yard and meter turn rear can draw with chi figure or lines.And at present, owing to there not being to carry out simultaneously the ruler of yard and meter turn, make troubles to teacher's teaching, after need to changing by calculator or other crossover tools, just can graphing or lines.In addition, existing ruler is not easy to hand in use.
The utility model content
The purpose of this utility model provides the ruler that a kind of metric and English can be changed and be convenient to hand, and this ruler need not both can carry out middle conversion made in Great Britain by other instrument, brings convenience to university teacher's teaching, also is convenient to simultaneously hand.
Realize above-mentioned purpose, the technical scheme that the utility model is taked is:
The ruler that a kind of metric and English can be changed and be convenient to hand, one side chi face of described ruler is provided with metric system numerical value groove and numerical value groove made in Great Britain side by side along the length direction of this ruler, metric system numerical value groove arranges near a straight sided place of ruler, numerical value groove made in Great Britain and the adjacent setting of metric system numerical value groove have been made into integration handle near another straight sided place on the chi face of ruler.
The utility model with respect to the beneficial effect of prior art is: ruler of the present utility model can be changed easily owing to which is provided with metric system numerical value groove and numerical value groove made in Great Britain, is convenient to draw and setting-out, brings convenience to university teacher's teaching; In addition, ruler of the present utility model is provided with handle, is convenient to hand when using ruler.
Description of drawings
Fig. 1 represents is that a kind of metric and English of the present utility model can be changed and the top view of the ruler being convenient to hand;
What Fig. 2 represented is the front view of Fig. 1.
Wherein, ruler 1, metric system numerical value groove 2, numerical value groove 3 made in Great Britain, handle 4, inclined plane 5.
The specific embodiment
As shown in Figure 1 and Figure 2, the ruler that a kind of metric and English can be changed and be convenient to hand, one side chi face of described ruler 1 is provided with metric system numerical value groove 2 and numerical value groove 3 made in Great Britain side by side along the length direction of this ruler 1, metric system numerical value groove 2 arranges near a straight sided place of ruler 1, numerical value groove 3 made in Great Britain and the 2 adjacent settings of metric system numerical value groove, be made into integration handle 4, the corresponding setting of zero groove of metric system numerical value groove 2 and numerical value groove 3 made in Great Britain near another straight sided place on the chi face of ruler 1.The upper surface of ruler 1 is provided with inclined plane 5, an end on inclined plane 5 to the 2 adjacent always laterally inclined settings of metric system numerical value groove.
Claims (2)
1. ruler that metric and English can be changed and be convenient to hand, it is characterized in that: a side chi face of described ruler (1) is provided with metric system numerical value groove (2) and numerical value groove made in Great Britain (3) side by side along the length direction of this ruler (1), metric system numerical value groove (2) arranges near a straight sided place of ruler (1), numerical value groove made in Great Britain (3) and the adjacent setting of metric system numerical value groove (2) have been made into integration handle (4) near another straight sided place on the chi face of ruler (1).
2. a kind of metric and English as claimed in claim 1 ruler that can change and be convenient to hand, it is characterized in that: the upper surface of ruler (1) is provided with inclined plane (5), and an end of inclined plane (5) is to always laterally inclined setting adjacent with metric system numerical value groove (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220616411 CN202896057U (en) | 2012-11-20 | 2012-11-20 | Ruler capable of being converted between metric system and British system and convenient to hold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220616411 CN202896057U (en) | 2012-11-20 | 2012-11-20 | Ruler capable of being converted between metric system and British system and convenient to hold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202896057U true CN202896057U (en) | 2013-04-24 |
Family
ID=48116765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220616411 Expired - Fee Related CN202896057U (en) | 2012-11-20 | 2012-11-20 | Ruler capable of being converted between metric system and British system and convenient to hold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202896057U (en) |
-
2012
- 2012-11-20 CN CN 201220616411 patent/CN202896057U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20131120 |