CN207587232U - A kind of mathematics Multifunctional teaching aid - Google Patents
A kind of mathematics Multifunctional teaching aid Download PDFInfo
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- CN207587232U CN207587232U CN201721052907.8U CN201721052907U CN207587232U CN 207587232 U CN207587232 U CN 207587232U CN 201721052907 U CN201721052907 U CN 201721052907U CN 207587232 U CN207587232 U CN 207587232U
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- demonstration board
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Abstract
The utility model proposes a kind of mathematics Multifunctional teaching aids, and including pedestal, the pedestal is equipped with elevating lever, and elevating lever is equipped with c-type frame, and the c-type frame is equipped with shaft, and shaft is equipped with magnetic demonstration board；The magnetism demonstration board is equipped with demonstration ball, demonstration ball is made of magnetic bases and transparent ball, and the magnetic bases are placed on magnetic demonstration board, and the magnetism of magnetic bases is opposite with the magnetism of magnetic demonstration board, curved channel is equipped in the transparent ball, demonstration rope is equipped in curved channel.The utility model sets curved channel in transparent ball, can fully demonstrate the characteristic of SIN function, and the device of existing displaying SIN function can not fully demonstrate the integrality of SIN function, and the vertex usually not radian of figure shows that process is uncontrollable；The various figures of triangle and the principle of triangle can also be shown to classmate using the device of the utility model, the utility model is simple in structure, vdiverse in function, substantially increases efficiency of teaching.
Description
Technical field
The utility model is related to mathematical education fields, and in particular to a kind of mathematics Multifunctional teaching aid.
Background technology
Mathematics originates from the production activity of mankind's getting up early, and Chaldaic has had accumulated certain from remote ages
Mathematical knowledge, and can apply to practical problem.From mathematics in itself, their mathematical knowledge also only observation and surprised gained,
Uncomprehensive conclusion and proof, but them are also affirmed fully to the contribution made by mathematics.
The knowledge of background mathematics and with being personal with a part indispensable in group life, the essence of basic conception
Refining is shown in from then on early in can be seen in the ancient mathematics text of ancient Egypt, Mesopotamia and ancient Gingko, and development is just
Continuously there is progress by a small margin but algebra at that time and geometry are for a long time still in independent state.
Geometry developing history is long, abundant in content.It and algebraically, analysis, number theory etc. relationship are extremely close.Geometry is thought
Think it is most important one kind thought in mathematics.The development of each branch of temporary mathematics has geometrization trend, i.e., with geometrical point and
The way of thinking goes to inquire into each mathematical theory.
Triangular transformation to the effect that the concept of random angle, Circular measure, the trigonometric function of random angle, between the trigonometric function of angle
Relationship, induced formulas, two corners and image and property with the trigonometric function of difference, the trigonometric function at two times of angles and trigonometric function
Matter, it is known that trigonometric function value asks angle etc..This section content of solving a triangle is trigonometric function, two corners and public with poor, two times of angles, half-angle
The supplement of the contents such as formula and continuity, the exploration to the arbitrary triangle length of side and angular relationship.With sine, cosine law etc.
Knowledge and method solve some practical problems related with measurement and geometry calculating.Its function in science of mathematics, inequality,
The part such as ordered series of numbers, vector, analytic geometry, solid geometry is all widely used.
At present in the plane geometric figure teaching process of mathematics, the content of courses of straight line and polygon can be related to, it is existing
Have in teaching method, often rely on blackboard and the content of triangle and function is explained, what existing drawing tools cannot be quickly
Different types of triangle and function are drawn, efficiency of teaching is low, is unfavorable for the progress of teaching.
Utility model content
The utility model is directed to the above, it is proposed that a kind of Multifunctional mathematics teaching device solves existing teaching dress
Put the problem of efficiency of teaching is low, troublesome in poeration.
Realizing the technical solution of the utility model is：A kind of mathematics Multifunctional teaching aid including pedestal, is set on the pedestal
There is elevating lever, elevating lever is equipped with c-type frame, and the c-type frame is equipped with shaft, and shaft is equipped with magnetic demonstration board；It is described
Magnetic demonstration board is equipped with demonstration ball, and demonstration ball is made of magnetic bases and transparent ball, and the magnetic bases are placed in magnetism and drill
Show on plate, the magnetism of magnetic bases and the magnetism of magnetic demonstration board are equipped with curved channel on the contrary, the transparent ball is interior, and arc leads to
Demonstration rope is equipped in road.
The c-type frame is made of the first cross bar, the second cross bar and curved rod, and the both ends of curved rod are respectively at the first cross bar
It is connected with the second cross bar, the both ends of the shaft are connected respectively at the first cross bar and the second cross bar.
Three magnetic sliders are additionally provided on the magnetism demonstration board, magnetic slider is equipped with hook, demonstration is equipped in hook
Rope, demonstration rope connect three magnetic sliders.
The c-type frame is equipped with elongation bar, and elongation bar is equipped with sleeve, is equipped with line bar in sleeve, line bar lower end is equipped with
Pulley, the demonstration rope are placed on pulley.
The magnetic slider is cylinder, and the magnetism of magnetic slider is opposite with the magnetism of magnetic demonstration board.
The bottom of the transparent ball is concordant, and the central angle of transparent ball is 120-150 degree.
The curved rod is equipped with Antiskid handle, and the Antiskid handle is equipped with anti-skidding salient point.
The magnetism demonstration board is equipped with reference axis and graduation mark.
The beneficial effects of the utility model are：The utility model sets curved channel in transparent ball, being capable of abundant body
The characteristic of existing SIN function, the device of existing displaying SIN function can not fully demonstrate the integrality of SIN function, displaying
Figure is not oscillogram, and the vertex usually not radian of figure shows that process is uncontrollable；Utilize the device of the utility model
The various figures of triangle and the principle of triangle can also be shown to classmate, the utility model is simple in structure, vdiverse in function, greatly
Improve efficiency of teaching greatly.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of the utility model embodiment 1.
Fig. 2 is the structure diagram of transparent ball.
Fig. 3 is the front schematic view of transparent ball.
Fig. 4 is the structure diagram of embodiment 2.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of making the creative labor
All other embodiments obtained shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Figs. 1-3, a kind of mathematics Multifunctional teaching aid, including pedestal, the pedestal is equipped with elevating lever 1, lifting
Bar 1 is equipped with c-type frame, and the c-type frame is equipped with shaft 2, and shaft 2 is equipped with magnetic demonstration board 3；The magnetism demonstration board
3 are equipped with demonstration ball 4, and demonstration ball 4 is made of magnetic bases 4-1 and transparent ball 4-2, and the magnetic bases 4-1 is placed in magnetism
On demonstration board 3, the magnetism of magnetic bases 4-1 and the magnetism of magnetic demonstration board 3 are equipped with arc on the contrary, the transparent ball 4-2 is interior
Demonstration rope 5 is equipped in channel 4-3, curved channel 4-3.
The utility model can utilize the height of 1 adjusting apparatus of elevating lever in displaying, the position of the ball 4 of adjustment demonstration later
It puts, to adjust out suitable SIN function figure.Existing SIN function shows device, although SIN function can be obtained
Image, but since demonstration rope 5 is soft, during displaying, the top of SIN function is uncontrollable, sometimes will appear top
End is the state of triangle, and classmate causes certain misunderstanding during study.And the utility model is designed as ball is demonstrated
Transparent ball, transparent ball 4-2 is not a complete sphere, but sphere is cut a part, such as cuts 1/3, residue
2/3 sphere, the bottom of the transparent ball 4-2 is concordant, and the central angle of transparent ball 4-2 is 120-150 degree.In transparent ball 4-
2 concordant bottoms set a magnetic bases 4-1, ensure that demonstration ball 4 can be adsorbed on magnetic demonstration board 3, while transparent
One curved channel 4-3 of setting in sphere 4-2, the shape of curved channel 4-3 is similar with the waveform of SIN function, in displaying process
In can fully demonstrate the characteristic of SIN function, help classmate's Fast Learning.
The c-type frame is made of the first cross bar 1-1, the second cross bar 1-3 and curved rod 1-2, the both ends point of curved rod 1-2
It is not connected in the first cross bar 1-1 and the second cross bar 1-3, the both ends of the shaft 2 are respectively at the first cross bar 1-1 and the second cross bar 1-
3 are connected.Upper class hour, some classmates are sitting in corner, due to vision dead zone cannot good learning knowledge, teacher showing
When, the position of magnetic demonstration board 3 can be adjusted by rotating shaft, ensures that each classmate can fully understand the interior of study
Hold.
The c-type frame is equipped with elongation bar 6-1, and elongation bar 6-1 is equipped with sleeve 6-2, line bar 6- is equipped in sleeve 6-2
3, line bar 6-3 lower end are equipped with pulley 6-4, and the demonstration rope 5 is placed on pulley 6-4.
The curved rod 1-2 is equipped with Antiskid handle 1-21, the Antiskid handle 1-21 and is equipped with anti-skidding salient point 1-22.
The magnetism demonstration board 3 is equipped with reference axis and graduation mark.
Embodiment 2
As shown in figure 4, being additionally provided with three magnetic sliders 7 on the magnetism demonstration board 3, magnetic slider 7 is equipped with hook 7-
Demonstration rope 5 is equipped in 1, hook 7-1, demonstration rope 5 connects three magnetic sliders 7.
The utility model can also show the various properties of triangle to classmate, and when use only need to be by drilling in embodiment 1
Show that ball is removed, using the evolution of magnetic slider 7, show the various properties of triangle.
The magnetic slider is cylinder, and the magnetism of magnetic slider is opposite with the magnetism of magnetic demonstration board 3.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of mathematics Multifunctional teaching aid, including pedestal, it is characterised in that：The pedestal is equipped with elevating lever（1）, elevating lever
（1）C-type frame is equipped with, the c-type frame is equipped with shaft（2）, shaft（2）It is equipped with magnetic demonstration board（3）；The magnetism
Demonstration board（3）It is equipped with demonstration ball（4）, demonstrate ball（4）By magnetic bases（4-1）And transparent ball（4-2）Composition, the magnetism
Pedestal（4-1）It is placed in magnetic demonstration board（3）On, magnetic bases（4-1）Magnetism and magnetic demonstration board（3）Magnetism on the contrary, institute
State transparent ball（4-2）It is interior to be equipped with curved channel（4-3）, curved channel（4-3）It is interior to be equipped with demonstration rope（5）；The c-type frame by
First cross bar（1-1）, the second cross bar（1-3）And curved rod（1-2）Composition, curved rod（1-2）Both ends respectively at the first cross bar
（1-1）With the second cross bar（1-3）It is connected, the shaft（2）Both ends respectively at the first cross bar（1-1）With the second cross bar（1-3）
It is connected.
2. mathematics Multifunctional teaching aid according to claim 1, it is characterised in that：The magnetism demonstration board（3）On also set
There are three magnetic sliders（7）, magnetic slider（7）It is equipped with hook（7-1）, hook（7-1）It is interior to be equipped with demonstration rope（5）, demonstration rope
（5）By three magnetic sliders（7）It connects.
3. the mathematics Multifunctional teaching aid according to claim 1 or 1, it is characterised in that：The c-type frame is equipped with elongation
Bar（6-1）, elongation bar（6-1）It is equipped with sleeve（6-2）, sleeve（6-2）It is interior to be equipped with line bar（6-3）, line bar（6-3）Lower end is equipped with
Pulley（6-4）, the demonstration rope（5）It is placed in pulley（6-4）On.
4. mathematics Multifunctional teaching aid according to claim 2, it is characterised in that：The magnetic slider（7）For cylinder,
Magnetic slider（7）Magnetism and magnetic demonstration board（3）Magnetism it is opposite.
5. mathematics Multifunctional teaching aid according to claim 1, it is characterised in that：The transparent ball（4-2）Bottom
Concordantly, transparent ball（4-2）Central angle be 120-150 degree.
6. mathematics Multifunctional teaching aid according to claim 1, it is characterised in that：The curved rod（1-2）It is equipped with anti-
Sliding handle（1-21）, the Antiskid handle（1-21）It is equipped with anti-skidding salient point（1-22）.
7. mathematics Multifunctional teaching aid according to claim 1, it is characterised in that：The magnetism demonstration board（3）It is equipped with
Reference axis and graduation mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721052907.8U CN207587232U (en) | 2017-08-22 | 2017-08-22 | A kind of mathematics Multifunctional teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721052907.8U CN207587232U (en) | 2017-08-22 | 2017-08-22 | A kind of mathematics Multifunctional teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207587232U true CN207587232U (en) | 2018-07-06 |
Family
ID=62718930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721052907.8U Expired - Fee Related CN207587232U (en) | 2017-08-22 | 2017-08-22 | A kind of mathematics Multifunctional teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207587232U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108922333A (en) * | 2018-09-27 | 2018-11-30 | 莆田学院 | Describe sinusoidal teaching demonstration device and application method |
| CN109035916A (en) * | 2018-08-27 | 2018-12-18 | 姜杰 | A kind of multi-functional classroom for economics simulation teching |
| CN109272836A (en) * | 2018-12-10 | 2019-01-25 | 国网江西省电力公司宜春供电分公司 | A kind of Electric Power Network Planning topological analysis auxiliary device |
| CN117636720A (en) * | 2024-01-16 | 2024-03-01 | 临沂大学 | Wave form analogue means and experimental system |
-
2017
- 2017-08-22 CN CN201721052907.8U patent/CN207587232U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109035916A (en) * | 2018-08-27 | 2018-12-18 | 姜杰 | A kind of multi-functional classroom for economics simulation teching |
| CN108922333A (en) * | 2018-09-27 | 2018-11-30 | 莆田学院 | Describe sinusoidal teaching demonstration device and application method |
| CN109272836A (en) * | 2018-12-10 | 2019-01-25 | 国网江西省电力公司宜春供电分公司 | A kind of Electric Power Network Planning topological analysis auxiliary device |
| CN117636720A (en) * | 2024-01-16 | 2024-03-01 | 临沂大学 | Wave form analogue means and experimental system |
| CN117636720B (en) * | 2024-01-16 | 2024-06-25 | 临沂大学 | Wave form analogue means and experimental system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 Termination date: 20200822 |
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| CF01 | Termination of patent right due to non-payment of annual fee |