CN204496784U - A kind of primary school math teaching Multifunctional teaching aid - Google Patents
A kind of primary school math teaching Multifunctional teaching aid Download PDFInfo
- Publication number
- CN204496784U CN204496784U CN201520178783.2U CN201520178783U CN204496784U CN 204496784 U CN204496784 U CN 204496784U CN 201520178783 U CN201520178783 U CN 201520178783U CN 204496784 U CN204496784 U CN 204496784U
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- China
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- bar
- interior bar
- interior
- described outer
- outer bar
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Abstract
The utility model discloses a kind of primary school math teaching Multifunctional teaching aid, comprise outer bar, described outer bar is assembled by outer rod unit one and outer rod unit two; Described outer rod unit one is connected by the outer bar joint pin be arranged in outer bar with described outer rod unit two; Described outer bar side is provided with outer rod aperture; Interior bar swivelling chute is provided with in the middle of the side being provided with outer rod aperture of described outer bar; The opposite side of described outer bar is provided with interior bar accommodating groove; Described interior bar accommodating groove inside is provided with interior bar; Inside, described outer bar base is provided with outer bar limited block; Described interior bar base outer setting has interior bar limited block; One end of described interior bar is provided with interior rod aperture; Described outer rod aperture is connected by articulated column with described interior rod aperture; Described articulated column is provided with chalk clamping disk and fixing sucking disk in different positions; Described chalk clamping disk and described fixing sucking disk are arranged in 2 points on the diagonal line of quadrilateral.The utility model has the advantages such as easy to use, multiple functional.
Description
Technical field
The utility model relates to a kind of teaching aid, particularly relates to a kind of primary school math teaching Multifunctional teaching aid.
Background technology
Along with expanding economy and social progress, we are also more and more higher for the attention degree of education.And, along with nine-year compulsory education popularization with extensively implement, middle and primary schools enter a school number improving year by year.Especially for the school that reputation is larger, its source of students is more, and teacher strength is short of to some extent.Thing followed problem is just increased the working strength of teacher.Especially for mathematics teacher, although there be the auxiliary of multimedia teaching instrument, some important teaching aids are appointed and are so absolutely necessary.Facilitate handy teaching aid not only can alleviate the working strength of teacher, but also can teaching efficiency be strengthened.
Summary of the invention
The purpose of this utility model is to solve the problem, the primary school math teaching Multifunctional teaching aid provide a kind of easy to use, complete function, being simple and easy to.
The technical scheme in the invention for solving the above technical problem is: a kind of primary school math teaching Multifunctional teaching aid, comprises outer bar, and described outer bar is assembled by outer rod unit one and outer rod unit two; Described outer rod unit one is connected by the outer bar joint pin be arranged in outer bar with described outer rod unit two; Described outer bar side is provided with outer rod aperture; Interior bar swivelling chute is provided with in the middle of the side being provided with outer rod aperture of described outer bar; The opposite side of described outer bar is provided with interior bar accommodating groove; Described interior bar accommodating groove inside is provided with interior bar; Inside, described outer bar base is provided with outer bar limited block; Described interior bar base outer setting has interior bar limited block; One end of described interior bar is provided with interior rod aperture.
Described outer rod aperture is connected by articulated column with described interior rod aperture, and described interior bar can rotate in the scope of interior bar swivelling chute; Described articulated column is provided with chalk clamping disk and fixing sucking disk in different positions.
The base of described interior bar swivelling chute is hypotenuse; Described chalk clamping disk and described fixing sucking disk are arranged in 2 points on the diagonal line of quadrilateral.
The base of described outer bar and described interior bar is hypotenuse; Described outer bar limited block and described interior bar limited block are and are arranged symmetrically with.
The beneficial effects of the utility model: (1), by the structural design to primary school math teaching Multifunctional teaching aid, makes one-piece construction simpler, easy to use; (2) by the structural design to primary school math teaching Multifunctional teaching aid, it is made substantially can be applicable to all processes of primary school math teaching; (3) by the structural design to primary school math teaching Multifunctional teaching aid, it is made can to strengthen the efficiency of teacher's impart knowledge.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the outer bar section of the utility model.
Fig. 3 is the left TV structure schematic diagram of the outer bar of the utility model.
Fig. 4 is the structural representation of bar in the utility model.
Fig. 5 is the left TV structure schematic diagram of bar in the utility model.
In figure: 1, chalk clamping disk, 2, outer bar, 3, interior bar, 4, articulated column, 5, fixing sucking disk, 6, outer rod aperture, 7, outer bar joint pin, 8, interior bar accommodating groove, 9, outer bar limited block, 10, interior bar swivelling chute, 11, outer rod unit one, 12, outer rod unit two, 13, interior bar limited block, 14, interior rod aperture.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, a kind of primary school math teaching Multifunctional teaching aid described in the utility model, comprises outer bar 2, and described outer bar 2 is assembled by outer rod unit 1 and outer rod unit 2 12; Described outer rod unit 1 is connected by the outer bar joint pin 7 be arranged in outer bar 2 with described outer rod unit 2 12; Described outer bar 2 side is provided with outer rod aperture 6; Interior bar swivelling chute 10 is provided with in the middle of the side being provided with outer rod aperture 6 of described outer bar 2; The opposite side of described outer bar 2 is provided with interior bar accommodating groove 8; Described interior bar accommodating groove 8 inside is provided with interior bar 3; Inside, described outer bar 2 base is provided with outer bar limited block 9; Described interior bar 3 base outer setting has interior bar limited block 13; One end of described interior bar 2 is provided with interior rod aperture 14.
Described outer rod aperture 6 is connected by articulated column 4 with described interior rod aperture 14, and described interior bar 3 can rotate in the scope of interior bar swivelling chute 10; Described articulated column 4 is provided with chalk clamping disk 1 and fixing sucking disk 5 in different positions.
The base of described interior bar swivelling chute 10 is hypotenuse; Described chalk clamping disk 1 and described fixing sucking disk 5 are arranged in 2 points on the diagonal line of quadrilateral.
The base of described outer bar 2 and described interior bar 3 is hypotenuse; Described outer bar limited block 9 and described interior bar limited block 13 are and are arranged symmetrically with.
The utility model has several functions.In use, can adjust according to required function; When using as compasses, chalk is installed in described chalk clamping disk 1, and the limit adjusting quadrilateral to and the position that is, the diagonal line between described chalk clamping disk 1 to described fixing sucking disk 5 is radius of a circle; When the association of figures such as needing demonstration square, rectangle, rhombus trapezoidal, by adjusting the position of described interior bar 3 in described outer bar 2 in bar accommodating groove 8, realize the conversion of profile.
Claims (4)
1. a primary school math teaching Multifunctional teaching aid, is characterized in that: comprise outer bar, and described outer bar is assembled by outer rod unit one and outer rod unit two; Described outer rod unit one is connected by the outer bar joint pin be arranged in outer bar with described outer rod unit two; Described outer bar side is provided with outer rod aperture; Interior bar swivelling chute is provided with in the middle of the side being provided with outer rod aperture of described outer bar; The opposite side of described outer bar is provided with interior bar accommodating groove; Described interior bar accommodating groove inside is provided with interior bar; Inside, described outer bar base is provided with outer bar limited block; Described interior bar base outer setting has interior bar limited block; One end of described interior bar is provided with interior rod aperture.
2. a kind of primary school math teaching Multifunctional teaching aid according to claim 1, is characterized in that: described outer rod aperture is connected by articulated column with described interior rod aperture, and described interior bar can rotate in the scope of interior bar swivelling chute; Described articulated column is provided with chalk clamping disk and fixing sucking disk in different positions.
3. a kind of primary school math teaching Multifunctional teaching aid according to claim 2, is characterized in that: the base of described interior bar swivelling chute is hypotenuse; Described chalk clamping disk and described fixing sucking disk are arranged in 2 points on the diagonal line of quadrilateral.
4. a kind of primary school math teaching Multifunctional teaching aid according to claim 1, is characterized in that: the base of described outer bar and described interior bar is hypotenuse; Described outer bar limited block and described interior bar limited block are and are arranged symmetrically with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520178783.2U CN204496784U (en) | 2015-03-28 | 2015-03-28 | A kind of primary school math teaching Multifunctional teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520178783.2U CN204496784U (en) | 2015-03-28 | 2015-03-28 | A kind of primary school math teaching Multifunctional teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204496784U true CN204496784U (en) | 2015-07-22 |
Family
ID=53576080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520178783.2U Expired - Fee Related CN204496784U (en) | 2015-03-28 | 2015-03-28 | A kind of primary school math teaching Multifunctional teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204496784U (en) |
-
2015
- 2015-03-28 CN CN201520178783.2U patent/CN204496784U/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: 20150722 Termination date: 20160328 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |