CN204659290U - A kind of integrated mathematical education survey tool - Google Patents
A kind of integrated mathematical education survey tool Download PDFInfo
- Publication number
- CN204659290U CN204659290U CN201520281566.6U CN201520281566U CN204659290U CN 204659290 U CN204659290 U CN 204659290U CN 201520281566 U CN201520281566 U CN 201520281566U CN 204659290 U CN204659290 U CN 204659290U
- Authority
- CN
- China
- Prior art keywords
- supporting leg
- baffle plate
- drawing squares
- mathematical education
- survey tool
- 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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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model relates to a kind of integrated mathematical education survey tool, ruler upper end is provided with baffle plate, baffle plate is the trough body structure of strip, the first supporting leg of band paintbrush and the second supporting leg of band centering pin is provided with in baffle plate, first supporting leg and the second supporting leg are strip and are all accommodated in baffle plate, one end of first supporting leg and the second supporting leg is movably arranged in baffle plate by rotating shaft, ruler lower end edge length direction is provided with groove, two pieces of slide blocks are established in groove, a right-angle side of one right-angle side of 45 ° of drawing squares and 30 ° of drawing squares is separately fixed on two pieces of slide blocks, can move freely, facilitate graphing, the top of 30 ° of drawing squares is provided with locator, the summit place of 45 ° of drawing squares is provided with chalk sleeve.Integrate compasses, ruler, protractor and drafting straight line, save the material making various drawing instrument respectively, map in mathematical education process easy and simple to handle, time saving and energy saving, alleviate the work difficulty of teacher.
Description
Technical field
The utility model belongs to mathematics teaching aid field, particularly relates to a kind of integrated mathematical education survey tool.
Background technology
At present, the picture teaching aid that in university's Higher Mathematics Teaching process, teacher uses is still traditional ruler, protractor and compasses, these drawing tools are all used alone, need to prepare these teaching aids respectively before class-teaching of teacher to carry together again, all can the picture related in teaching be had a significant impact if leave behind wherein any one.Can not each other by common part between drawing tools, the drawing tools that split is arranged wastes material in manufacturing process.And need time at school to carry multiple drawing instrument, bother very much, reduce the efficiency of giving lessons of teacher.
Utility model content
The utility model provides the integrated mathematical education survey tool that a kind of structure is simple, easy to install, increase work efficiency for solving in known technology the technical problem that exists.
The technical scheme that the utility model is taked for the technical problem existed in solution known technology is:
This integrated mathematical education survey tool comprises: ruler, the first supporting leg, the second supporting leg, paintbrush, centering pin, groove, 30 ° of drawing squares, 45 ° of drawing squares, locator, chalk sleeve, graduation mark, rotating shaft, baffle plate;
Ruler upper end is provided with baffle plate, baffle plate is the trough body structure of strip, the first supporting leg of band paintbrush and the second supporting leg of band centering pin is provided with in baffle plate, first supporting leg and the second supporting leg are strip and are all accommodated in baffle plate, one end of first supporting leg and the second supporting leg is movably arranged in baffle plate by rotating shaft, the other end of the first supporting leg and the second supporting leg all stretches out outside baffle plate, ruler lower end edge length direction is provided with groove, two pieces of slide blocks are established in groove, a right-angle side of one right-angle side of 45 ° of drawing squares and 30 ° of drawing squares is separately fixed on two pieces of slide blocks, the top of 30 ° of drawing squares is provided with locator, the summit place of 45 ° of drawing squares is provided with chalk sleeve, ruler lower surface is provided with graduation mark.
The utility model can also adopt following technical measures:
Described rotating shaft is provided with through hole, in through hole, is provided with portable rope.
Between the first described supporting leg and the second supporting leg, protractor is installed.
Described groove both ends open place is provided with block.
30 ° of described drawing squares and the right-angle side of 45 ° of drawing squares and hypotenuse are provided with rule.
RF transmitter is rotatablely hinged with outside described baffle plate.
First supporting leg and the second supporting leg are opened certain angle, and the measurement of throughput hornwork makes paintbrush on paper, draw circle; Or by adjustment 30 ° of drawing squares and the distance of 45 ° of drawing squares in groove, make the chalk in chalk sleeve on blackboard, draw circle by the measurement of graduation mark.30 ° of drawing squares and 45 ° of drawing squares move freely along ruler length direction, facilitate graphing, 45 ° of drawing squares and 30 ° of drawing squares are equipped with rule, be convenient for measuring the length of line segment, block can effectively prevent 30 ° of drawing squares and 45 ° of drawing squares from skidding off from groove; Infrared emission line plays the effect of instruction easily in the process of teaching.
The advantage that the utility model has and good effect are: this integrated mathematical education survey tool integrates compasses, ruler, protractor and drafting straight line, save the material making various drawing instrument respectively, provide cost savings, and structure is simple, 30 ° of drawing squares and 45 ° of drawing squares move freely along ruler length direction, facilitate graphing, RF transmitter plays the effect of instruction easily in the process of teaching, map in mathematical education process easy and simple to handle, time saving and energy saving, alleviate the work difficulty of teacher.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of integrated mathematical education survey tool that the utility model embodiment provides;
In figure: 1, ruler; 2, the first supporting leg; 3, the second supporting leg; 4, paintbrush; 5, centering pin; 6, groove; 7,30 ° of drawing squares; 8,45 ° of drawing squares; 9, locator; 10, chalk sleeve; 11, graduation mark; 12, rotating shaft; 13, baffle plate; 14, RF transmitter.
Detailed description of the invention
For summary of the invention of the present utility model, Characteristic can be understood further, hereby exemplify following examples, and coordinating accompanying drawing to be described in detail as follows: the module used by the utility model or unit all belong to known module or unit, when buying module or unit, are provided with software.There is not the innovation of software or method in the utility model.
Refer to shown in Fig. 1: this integrated mathematical education survey tool comprises: ruler 1, first supporting leg 2, second supporting leg 3, paintbrush 4, centering pin 5, groove 6,30 ° of drawing squares 7,45 ° of drawing squares 8, locator 9, chalk sleeve 10, graduation mark 11, rotating shaft 12, baffle plate 13;
Ruler 1 upper end is provided with baffle plate 13, baffle plate 13 is the trough body structure of strip, the first supporting leg 2 of band paintbrush 4 and the second supporting leg 3 of band centering pin 5 is provided with in baffle plate 13, first supporting leg 2 and the second supporting leg 3 are strip and are all accommodated in baffle plate 13, one end of first supporting leg 2 and the second supporting leg 3 is movably arranged in baffle plate 13 by rotating shaft 12, the other end of the first supporting leg 2 and the second supporting leg 3 all stretches out outside baffle plate 13, ruler 1 lower end edge length direction is provided with groove 6, two pieces of slide blocks are established in groove 6, a right-angle side of one right-angle side of 45 ° of drawing squares 8 and 30 ° of drawing squares 7 is separately fixed on two pieces of slide blocks, the top of 30 ° of drawing squares 7 is provided with locator 9, the summit place of 45 ° of drawing squares 8 is provided with chalk sleeve 10, ruler 1 lower surface is provided with graduation mark 11.
The utility model can also adopt following technical measures:
Described rotating shaft 12 is provided with through hole, and be provided with portable rope in through hole, method is carried.
Between the first described supporting leg 2 and the second supporting leg 3, protractor is installed.
Described groove 6 both ends open place is provided with block.
Described 30 ° of drawing squares 7 and the right-angle side of 45 ° of drawing squares 8 and hypotenuse are provided with rule.
RF transmitter 14 is rotatablely hinged with outside described baffle plate 13.
First supporting leg 2 and the second supporting leg 3 are opened certain angle, and the measurement of throughput hornwork makes paintbrush 4 on paper, draw circle; Or by adjustment 30 ° of drawing squares and the distance of 45 ° of drawing squares 8 in groove 6, make the chalk in chalk sleeve 10 on blackboard, draw circle by the measurement of graduation mark 11.30 ° of drawing squares 7 and 45 ° of drawing squares 8 move freely along ruler 1 length direction, facilitate graphing, 45 ° of drawing squares 8 and 30 ° of drawing squares 7 are equipped with rule, be convenient for measuring the length of line segment, block can effectively prevent 30 ° of drawing squares 7 and 45 ° of drawing squares 8 from skidding off from groove 6; Infrared emission line plays the effect of instruction easily in the process of teaching.
The advantage that the utility model has and good effect are: this integrated mathematical education survey tool integrates compasses, ruler, protractor and drafting straight line, save the material making various drawing instrument respectively, provide cost savings, and structure is simple, 30 ° of drawing squares and 45 ° of drawing squares move freely along ruler length direction, facilitate graphing, RF transmitter plays the effect of instruction easily in the process of teaching, map in mathematical education process easy and simple to handle, time saving and energy saving, alleviate the work difficulty of teacher.
The above is only to preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, every according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification, all belong in the scope of technical solutions of the utility model.
Claims (6)
1. an integrated mathematical education survey tool, it is characterized in that, this integrated mathematical education survey tool comprises: ruler, the first supporting leg, the second supporting leg, paintbrush, centering pin, groove, 30 ° of drawing squares, 45 ° of drawing squares, locator, chalk sleeve, graduation mark, rotating shaft, baffle plate;
Ruler upper end is provided with baffle plate, baffle plate is the trough body structure of strip, the first supporting leg of band paintbrush and the second supporting leg of band centering pin is provided with in baffle plate, first supporting leg and the second supporting leg are strip and are all accommodated in baffle plate, one end of first supporting leg and the second supporting leg is movably arranged in baffle plate by rotating shaft, the other end of the first supporting leg and the second supporting leg all stretches out outside baffle plate, ruler lower end edge length direction is provided with groove, two pieces of slide blocks are established in groove, a right-angle side of one right-angle side of 45 ° of drawing squares and 30 ° of drawing squares is separately fixed on two pieces of slide blocks, the top of 30 ° of drawing squares is provided with locator, the summit place of 45 ° of drawing squares is provided with chalk sleeve, ruler lower surface is provided with graduation mark.
2. integrated mathematical education survey tool as claimed in claim 1, is characterized in that, described rotating shaft is provided with through hole, be provided with portable rope in through hole.
3. integrated mathematical education survey tool as claimed in claim 1, is characterized in that, is provided with protractor between the first described supporting leg and the second supporting leg.
4. integrated mathematical education survey tool as claimed in claim 1, is characterized in that, described groove both ends open place is provided with block.
5. integrated mathematical education survey tool as claimed in claim 1, is characterized in that, 30 ° of described drawing squares and the right-angle side of 45 ° of drawing squares and hypotenuse are provided with rule.
6. integrated mathematical education survey tool as claimed in claim 1, is characterized in that, be rotatablely hinged with RF transmitter outside described baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520281566.6U CN204659290U (en) | 2015-05-05 | 2015-05-05 | A kind of integrated mathematical education survey tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520281566.6U CN204659290U (en) | 2015-05-05 | 2015-05-05 | A kind of integrated mathematical education survey tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204659290U true CN204659290U (en) | 2015-09-23 |
Family
ID=54129714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520281566.6U Expired - Fee Related CN204659290U (en) | 2015-05-05 | 2015-05-05 | A kind of integrated mathematical education survey tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204659290U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108638711A (en) * | 2018-06-29 | 2018-10-12 | 徐诗琪 | A kind of figure scoring tool of mathematical education |
| CN110525090A (en) * | 2019-06-28 | 2019-12-03 | 广州市轻工高级技工学校 | A kind of precision stock compasses |
| CN110860948A (en) * | 2019-10-23 | 2020-03-06 | 北玻院(滕州)复合材料有限公司 | Device and method for measuring fixed-point reticle of curved surface of mold |
-
2015
- 2015-05-05 CN CN201520281566.6U patent/CN204659290U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108638711A (en) * | 2018-06-29 | 2018-10-12 | 徐诗琪 | A kind of figure scoring tool of mathematical education |
| CN110525090A (en) * | 2019-06-28 | 2019-12-03 | 广州市轻工高级技工学校 | A kind of precision stock compasses |
| CN110860948A (en) * | 2019-10-23 | 2020-03-06 | 北玻院(滕州)复合材料有限公司 | Device and method for measuring fixed-point reticle of curved surface of mold |
| CN110860948B (en) * | 2019-10-23 | 2021-03-09 | 北玻院(滕州)复合材料有限公司 | Device and method for measuring fixed-point reticle of curved surface of mold |
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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: 20150923 Termination date: 20210505 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |