CN204526554U - A kind of ruler used in mathematics teaching - Google Patents
A kind of ruler used in mathematics teaching Download PDFInfo
- Publication number
- CN204526554U CN204526554U CN201520225674.1U CN201520225674U CN204526554U CN 204526554 U CN204526554 U CN 204526554U CN 201520225674 U CN201520225674 U CN 201520225674U CN 204526554 U CN204526554 U CN 204526554U
- Authority
- CN
- China
- Prior art keywords
- compasses
- bull stick
- teaching aid
- set square
- fixed bar
- 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 relates to teaching aid, is specially a kind of ruler used in mathematics teaching.It comprises set square teaching aid (1), protractor (2), compasses (3); Described set square teaching aid (1) side is provided with chute (4); Described compasses (3) are made up of tumbler (301), compasses fixed bar (302), compasses bull stick (303), and compasses fixed bar (302), compasses bull stick (303) are fixed to one structure by described tumbler (301), and compasses bull stick (303) rotates relative to compasses fixed bar (302); Described set square teaching aid (1) side is provided with protractor (2); Two right-angle sides of described set square teaching aid (1) are provided with locating hole (101), and hypotenuse is provided with alignment pin (102).Its beneficial effect is: structure is simple, easy to use, easy to carry, saving resource, and can draw triangle at any angle.
Description
Technical field
The utility model relates to the technical field of teaching aid, is specially a kind of ruler used in mathematics teaching.
Background technology
Mathematics is natural science applied basis.It is a most perfect subject of development at present, and the research in other fields many is all based on mathematics.
The mankind are from the counting of tiing knots of uncivilized region, and whenever electronic computer commander spaceship navigation by now, be all subject to grace and the impact of mathematics.Cloud-kissing building thing, offshore oil drilling platform, artificial earth satellite etc. are all the crystallizations of wisdom of mankind's mathematics.In today that high-tech develops rapidly, natural science applied each research field all enters darker level and wider category, and this just needs mathematics more.Close never as today of the relation of mathematics and natural science and technological sciences.Mathematics is the basis of the subjects such as physics, mechanics, chemistry, astronomy, biology, and mathematics is they provide abundant language and research tool.In the process of scientific development, math characteristic day by day shows especially.The utility model of application number 201120139186.0, it discloses the problem that a kind of mathematics teaching aid solves existing mathematics teaching aid function singleness, waste resource, but set square disclosed in it can only draw the triangle of fixed angles, use inconvenience, other triangles must be carried when drawing the triangle of other angles, waste resource, carry inconvenience.Therefore, for the problems referred to above, we have developed that a kind of structure is simple, easy to use, easy to carry, saving resource, and can draw leg-of-mutton ruler used in mathematics teaching at any angle.
Utility model content
The purpose of this utility model is for above-described problems of the prior art, provides that a kind of structure is simple, easy to use, easy to carry, saving resource, and can draw leg-of-mutton ruler used in mathematics teaching at any angle.
In order to realize described object, the utility model specifically adopts following technical scheme:
A kind of ruler used in mathematics teaching, it comprises set square teaching aid 1, protractor 2, compasses 3.It is characterized in that: described set square teaching aid 1 side is provided with chute 4; Described compasses 3 are made up of tumbler 301, compasses fixed bar 302, compasses bull stick 303, and compasses fixed bar 302, compasses bull stick 303 are fixed to one structure by described tumbler 301, and compasses bull stick 303 rotates relative to compasses fixed bar 302; Described set square teaching aid 1 side is provided with protractor 2; Two right-angle sides of described set square teaching aid 1 are provided with locating hole 101, and hypotenuse is provided with alignment pin 102.
Described compasses 3 are arranged in chute 4 by tumbler 301.
Described tumbler 301 overlaps with the intersection point of compasses fixed bar 302, compasses bull stick 303 and the initial point of protractor 2.
Described compasses fixed bar 302 bottom is provided with sucker 5, and the bottom of compasses bull stick 303 is provided with paintbrush 6.
Described protractor 2 is semi-circular shape structure, and which is provided with angle index.
A kind of ruler used in mathematics teaching of the utility model, described compasses 3 are made up of tumbler 301, compasses fixed bar 302, compasses bull stick 303, and compasses fixed bar 302, compasses bull stick 303 are fixed to one structure by described tumbler 301, and compasses bull stick 303 rotates relative to compasses fixed bar 302; Described set square teaching aid 1 side is provided with protractor 2; Two right-angle sides of described set square teaching aid 1 are provided with locating hole 101, and hypotenuse is provided with alignment pin 102, and it is provided with locating hole 101 by two right-angle sides of adjusting triangle chi teaching aid 1, and hypotenuse is provided with alignment pin 102, can draw triangle at any angle, easy to use.
Compared with prior art, the beneficial effects of the utility model are: one, set square teaching aid 1, compasses 3 and protractor 2 are tied merga pass tumbler 301 and be installed together, can use as set square separately after compasses bull stick 303 closes up, can use as compasses and protractor after compasses bull stick 303 launches, and the Scale ruler of compasses bull stick 303 as protractor 2 can be used, achieve easy to use, time saving and energy saving, reduce the effect of teacher workload; Two right-angle sides of two, described set square teaching aid 1 are provided with locating hole 101, hypotenuse is provided with alignment pin 102, and it is provided with locating hole 101 by two right-angle sides of adjusting triangle chi teaching aid 1, and hypotenuse is provided with alignment pin 102, triangle at any angle can be drawn, easy to use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: set square teaching aid 1, protractor 2, compasses 3, chute 4, sucker 5, paintbrush 6, locating hole 101, alignment pin 102, tumbler 301, compasses fixed bar 302, compasses bull stick 303.
Detailed description of the invention
Below in conjunction with accompanying drawing 1, structure of the present utility model and beneficial effect thereof are further illustrated.
Embodiment 1
A kind of ruler used in mathematics teaching, as shown in Figure 1, it comprises set square teaching aid 1, protractor 2, compasses 3.Described set square teaching aid 1 side is provided with chute 4; Described compasses 3 are made up of tumbler 301, compasses fixed bar 302, compasses bull stick 303, and compasses fixed bar 302, compasses bull stick 303 are fixed to one structure by described tumbler 301, and compasses bull stick 303 rotates relative to compasses fixed bar 302; Described set square teaching aid 1 side is provided with protractor 2; Two right-angle sides of described set square teaching aid 1 are provided with locating hole 101, and hypotenuse is provided with alignment pin 102.
Described compasses 3 are arranged in chute 4 by tumbler 301.
Described tumbler 301 overlaps with the intersection point of compasses fixed bar 302, compasses bull stick 303 and the initial point of protractor 2.
Described compasses fixed bar 302 bottom is provided with sucker 5, and the bottom of compasses bull stick 303 is provided with paintbrush 6.
Described protractor 2 is semi-circular shape structure, and which is provided with angle index.
Set square teaching aid 1, compasses 3 and protractor 2 are tied merga pass tumbler 301 be installed together, can use as set square separately after compasses bull stick 303 closes up, can use as compasses and protractor after compasses bull stick 303 launches, and the Scale ruler of compasses bull stick 303 as protractor 2 can be used, achieve easy to use, time saving and energy saving, reduce the effect of teacher workload.
Two right-angle sides of described set square teaching aid 1 are provided with locating hole 101, and hypotenuse is provided with alignment pin 102, and it is provided with locating hole 101 by two right-angle sides of adjusting triangle chi teaching aid 1, and hypotenuse is provided with alignment pin 102, can draw triangle at any angle, easy to use.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a ruler used in mathematics teaching, it comprises set square teaching aid (1), protractor (2), compasses (3); It is characterized in that: described set square teaching aid (1) side is provided with chute (4); Described compasses (3) are made up of tumbler (301), compasses fixed bar (302), compasses bull stick (303), and compasses fixed bar (302), compasses bull stick (303) are fixed to one structure by described tumbler (301), and compasses bull stick (303) rotates relative to compasses fixed bar (302); Described set square teaching aid (1) side is provided with protractor (2); Two right-angle sides of described set square teaching aid (1) are provided with locating hole (101), and hypotenuse is provided with alignment pin (102).
2. a kind of ruler used in mathematics teaching according to claim 1, is characterized in that: described compasses (3) are arranged in chute (4) by tumbler (301).
3. a kind of ruler used in mathematics teaching according to claim 1, is characterized in that: described tumbler (301) overlaps with the intersection point of compasses fixed bar (302), compasses bull stick (303) and the initial point of protractor (2).
4. a kind of ruler used in mathematics teaching according to claim 1, it is characterized in that: described compasses fixed bar (302) bottom is provided with sucker (5), the bottom of compasses bull stick (303) is provided with paintbrush (6).
5. a kind of ruler used in mathematics teaching according to claim 1, is characterized in that: described protractor (2) is semi-circular shape structure, and which is provided with angle index.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520225674.1U CN204526554U (en) | 2015-04-14 | 2015-04-14 | A kind of ruler used in mathematics teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520225674.1U CN204526554U (en) | 2015-04-14 | 2015-04-14 | A kind of ruler used in mathematics teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204526554U true CN204526554U (en) | 2015-08-05 |
Family
ID=53740599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520225674.1U Expired - Fee Related CN204526554U (en) | 2015-04-14 | 2015-04-14 | A kind of ruler used in mathematics teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204526554U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538969A (en) * | 2016-02-03 | 2016-05-04 | 上海市第一中学 | Graduation ruler with compasses and protractor |
-
2015
- 2015-04-14 CN CN201520225674.1U patent/CN204526554U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538969A (en) * | 2016-02-03 | 2016-05-04 | 上海市第一中学 | Graduation ruler with compasses and protractor |
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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: 20150805 Termination date: 20160414 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |