CN204567042U - A kind of Multifunctional math teaching aid - Google Patents
A kind of Multifunctional math teaching aid Download PDFInfo
- Publication number
- CN204567042U CN204567042U CN201520221251.2U CN201520221251U CN204567042U CN 204567042 U CN204567042 U CN 204567042U CN 201520221251 U CN201520221251 U CN 201520221251U CN 204567042 U CN204567042 U CN 204567042U
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- China
- Prior art keywords
- angle
- arm
- ruler body
- teaching aid
- set square
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- Expired - Fee Related
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Abstract
The utility model relates to ruler used in mathematics teaching, is specially a kind of Multifunctional math teaching aid.It comprises ruler body (1), semicircle protractor (2), set square (3); Described ruler body (1) one end is fixedly connected with semicircle protractor (2), and top is fixedly connected with set square (3); Described ruler body (1) upper surface is provided with level meter (4), compass (5), handheld component (6), deep-slotted chip breaker (7), and described ruler body (1) another surface relative with handheld component (6) is provided with fixture (8); Described one or three arm of angle (301), the two or three arm of angle (302) are provided with dowel hole (10), and the three or three arm of angle (304) is provided with alignment pin (11).Its beneficial effect is: structure is simple, uses, carries all convenient, and can draw arbitrarily angled triangle, saving resource.
Description
Technical field
The utility model relates to the technical field of ruler used in mathematics teaching, is specially a kind of Multifunctional math teaching aid.
Background technology
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.On the one hand, the basis of new and high technology is applied science, and the basis of applied science is mathematics; On the other hand, along with developing rapidly of computer science, mathematics has had the dual identity of science and technology concurrently, and modern science and technology more and more show as a kind of mathematical technique.The outstanding feature of contemporary science and technology is quantification, and the mark of quantification is exactly use mathematical thoughts and meth ods.Accurate quantification thinking is the common prescription to contemporary science and technology personnel, so-called quantitative thinking refers to that people refine mathematical problem from reality, abstract is Mathematical Modeling, this solution to model or approximate solution is obtained by mathematical computations, then return to reality and test, revise model if desired to make it more to gear to actual circumstances, finally work out the software for calculation of solving a problem, to obtain more extensively and more easily applying.
The teaching gauge function singleness of current use, use, carry all inconvenient, therefore for the problems referred to above we to have developed a kind of structure simple, use, carry all convenient, and arbitrarily angled leg-of-mutton Multifunctional math teaching aid can be drawn.
Utility model content
The purpose of this utility model is for above-described problems of the prior art, provides a kind of structure simple, uses, carries all convenient, and can draw arbitrarily angled leg-of-mutton Multifunctional math teaching aid.
In order to realize described object, the utility model specifically adopts following technical scheme:
A kind of Multifunctional math teaching aid, it comprises ruler body 1, semicircle protractor 2, set square 3; It is characterized in that: described ruler body 1 one end is fixedly connected with semicircle protractor 2, and top is fixedly connected with set square 3; Described ruler body 1 upper surface is provided with level meter 4, compass 5, handheld component 6, deep-slotted chip breaker 7, and described ruler body 1 another surface relative with handheld component 6 is provided with fixture 8; The one or three arm of angle 301 that described set square 3 is connected with ruler body 1 is provided with dowel hole 10, the two or three arm of angle 302 on the right side of one or three arm of angle 301 is provided with dowel hole 10, and the one or three arm of angle 301 is flexibly connected by tumbler 303 with the two or three arm of angle 302; The three or three arm of angle 304 arranged between the one or the three described arm of angle the 301 and the 23 arm of angle 302 is provided with alignment pin 11.
Dowel hole the 10 and the 33 arm of angle 304 on the one or the three described arm of angle the 301, the 23 arm of angle 302 is provided with alignment pin 11 and is connected.
Described ruler body 1 is provided with the cross coordinate 9 of a hollow out.
A kind of Multifunctional math teaching aid of the utility model, described ruler body 1 upper surface is provided with level meter 4, compass 5, handheld component 6, deep-slotted chip breaker 7, and described ruler body 1 another surface relative with handheld component 6 is provided with fixture 8; Its handheld component 6 facilitates teacher's this teaching aid firm, easy to use; The one or three arm of angle 301 that described set square 3 is connected with ruler body 1 is provided with dowel hole 10, the two or three arm of angle 302 on the right side of one or three arm of angle 301 is provided with dowel hole 10, and the one or three arm of angle 301 is flexibly connected by tumbler 303 with the two or three arm of angle 302; The three or three arm of angle 304 arranged between the one or the three described arm of angle the 301 and the 23 arm of angle 302 is provided with alignment pin 11, it is by the cooperation of adjustment the or three arm of angle the 301, the 23 arm of angle the 302, the 33 arm of angle 304, triangle at any angle can be drawn, easy to use, saving resource, easy to carry.
Compared with prior art, the beneficial effects of the utility model are: one, described level meter 4 centering horizontal plane, and compass 5 is made a comment or criticism direction, multiple functional, easy to use; Two, described ruler body 1 is provided with the cross coordinate 9 of a hollow out, its accurate positioning; Three, another surface that described ruler body 1 is relative with handheld component 6 is provided with fixture 8, and it by fixing for ruler with on blackboard, not easily can be shifted, can not cause picture deviation, improve teaching level in mapping process; Four, the one or the three described arm of angle the 301, the 23 arm of angle 302 is provided with dowel hole 10, the three or three arm of angle 304 arranged between the one or the three described arm of angle the 301 and the 23 arm of angle 302 is provided with alignment pin 11, it is by the cooperation of adjustment the or three arm of angle the 301, the 23 arm of angle the 302, the 33 arm of angle 304, triangle at any angle can be drawn, easy to use, saving resource, easy to carry.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: ruler body 1, semicircle protractor 2, set square 3, level meter 4, compass 5, handheld component 6, deep-slotted chip breaker 7, fixture 8, cross coordinate 9, dowel hole 10, alignment pin 11, the one or three arm of angle 301, the two or three arm of angle 302, tumbler 303, the three or three arm of angle 304.
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 Multifunctional math teaching aid, as shown in Figure 1, it comprises ruler body 1, semicircle protractor 2, set square 3; Described ruler body 1 one end is fixedly connected with semicircle protractor 2, and top is fixedly connected with set square 3; Described ruler body 1 upper surface is provided with level meter 4, compass 5, handheld component 6, deep-slotted chip breaker 7, and described ruler body 1 another surface relative with handheld component 6 is provided with fixture 8; The one or three arm of angle 301 that described set square 3 is connected with ruler body 1 is provided with dowel hole 10, the two or three arm of angle 302 on the right side of one or three arm of angle 301 is provided with dowel hole 10, and the one or three arm of angle 301 is flexibly connected by tumbler 303 with the two or three arm of angle 302; The three or three arm of angle 304 arranged between the one or the three described arm of angle the 301 and the 23 arm of angle 302 is provided with alignment pin 11.
Dowel hole the 10 and the 33 arm of angle 304 on the one or the three described arm of angle the 301, the 23 arm of angle 302 is provided with alignment pin 11 and is connected.
Described ruler body 1 is provided with the cross coordinate 9 of a hollow out.
Described level meter 4 centering horizontal plane, compass 5 is made a comment or criticism direction, multiple functional, easy to use.
Described ruler body 1 is provided with the cross coordinate 9 of a hollow out, its accurate positioning.
Another surface that described ruler body 1 is relative with handheld component 6 is provided with fixture 8, and it by fixing for ruler with on blackboard, not easily can be shifted, can not cause picture deviation, improve teaching level in mapping process.
The one or the three described arm of angle the 301, the 23 arm of angle 302 is provided with dowel hole 10, the three or three arm of angle 304 arranged between the one or the three described arm of angle the 301 and the 23 arm of angle 302 is provided with alignment pin 11, it is by the cooperation of adjustment the or three arm of angle the 301, the 23 arm of angle the 302, the 33 arm of angle 304, triangle at any angle can be drawn, easy to use, saving resource, easy to carry.
In description of the present utility model, the orientation of term "left", "right" instruction is based on orientation shown in the drawings, be only the utility model instead of require that the utility model must operate with specific orientation for convenience of description, therefore can not be interpreted as restriction of the present utility model.
Claims (3)
1. a Multifunctional math teaching aid, it comprises ruler body (1), semicircle protractor (2), set square (3); It is characterized in that: described ruler body (1) one end is fixedly connected with semicircle protractor (2), and top is fixedly connected with set square (3); Described ruler body (1) upper surface is provided with level meter (4), compass (5), handheld component (6), deep-slotted chip breaker (7), and described ruler body (1) another surface relative with handheld component (6) is provided with fixture (8); The one or three arm of angle (301) that described set square (3) is connected with ruler body (1) is provided with dowel hole (10), two or three arm of angle (302) on the one or three arm of angle (301) right side is provided with dowel hole (10), and the one or three arm of angle (301) is flexibly connected by tumbler (303) with the two or three arm of angle (302); The three or three arm of angle (304) arranged between the one or the three described arm of angle (301) and the two or three arm of angle (302) is provided with alignment pin (11).
2. a kind of Multifunctional math teaching aid according to claim 1, is characterized in that: the dowel hole (10) on the one or the three described arm of angle (301), the two or three arm of angle (302) and the three or three arm of angle (304) are provided with alignment pin (11) and are connected.
3. a kind of Multifunctional math teaching aid according to claim 1, is characterized in that: described ruler body (1) is provided with the cross coordinate (9) of a hollow out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520221251.2U CN204567042U (en) | 2015-04-14 | 2015-04-14 | A kind of Multifunctional math teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520221251.2U CN204567042U (en) | 2015-04-14 | 2015-04-14 | A kind of Multifunctional math teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204567042U true CN204567042U (en) | 2015-08-19 |
Family
ID=53859724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520221251.2U Expired - Fee Related CN204567042U (en) | 2015-04-14 | 2015-04-14 | A kind of Multifunctional math teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204567042U (en) |
-
2015
- 2015-04-14 CN CN201520221251.2U patent/CN204567042U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20160414 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |