CN202939857U - Novel stereoscopic mathematics teaching aid - Google Patents
Novel stereoscopic mathematics teaching aid Download PDFInfo
- Publication number
- CN202939857U CN202939857U CN 201220641260 CN201220641260U CN202939857U CN 202939857 U CN202939857 U CN 202939857U CN 201220641260 CN201220641260 CN 201220641260 CN 201220641260 U CN201220641260 U CN 201220641260U CN 202939857 U CN202939857 U CN 202939857U
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- CN
- China
- Prior art keywords
- page
- rotating shaft
- elastic rubber
- rubber band
- teaching aid
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- 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
Disclosed is a novel stereoscopic mathematics teaching aid belonging to a mathematics teaching aid which can be transformed into various stereoscopic shapes in a three-dimensional space. The problem of non-intuitive mathematics teaching is solved. The technical scheme of the utility model is that the polyhedron display teaching aid in a three-dimensional space is composed of a plurality of detachable and retractable cuboid assemblies, wherein each assembly is composed of a hollow upper cuboid, a lower cuboid, an upper connecting plate, a lower connecting plate, a fixed rotating shaft, a telescopic bracket, a page rotating shaft, a page, a left elastic rubber band and a right elastic rubber band. The pluralities of assemblies can be freely installed, rotated, stretched and retracted to form a plurality of plane geometry models and solid geometry models such as a triangular model, a quadrilateral model, a pentahedron model, a hexahedron model and the like. The advantages are as follows: the novel stereoscopic mathematics teaching aid is simple to operate, foldable and detachable, convenient to carry and reliable in use; the novel stereoscopic mathematics teaching aid can be used to stereoscopically and intuitively demonstrate the surface-surface relationship, the surface-diagonal relationship and the diagonal-diagonal relationship; and the novel stereoscopic mathematics teaching aid is simple in structure, low in cost, easy to manufacture and easy to popularize.
Description
Technical field
The utility model belongs to the mathematics teaching aid of the multiple three-dimensional shape of conversion in a kind of three dimensions.
Background technology
At present mathematics teaching aid mostly is the teaching aid of two dimensional surface, exists not problem intuitively of mathematical education.
Summary of the invention
The purpose of this utility model is to provide a kind of teaching aid that can show the three dimensions polyhedral model, has solved not problem intuitively of mathematical education.
Technical solution of the present utility model is: the utility model is that in three dimensions, polyhedron is showed teaching aid, detachable and the telescopic rectangular parallelepiped module composition by more piece, each joint assembly is comprised of the upper rectangular parallelepiped of hollow, lower rectangular parallelepiped, upper junction plate, lower connecting plate, fixed rotating shaft, telescoping shoring column, page rotating shaft, the page, left side elastic rubber band and right side elastic rubber band.The upper rectangular parallelepiped left end of hollow is provided with upper junction plate, and upper junction plate is provided with bayonet socket, and bayonet socket can be connected with the upper draw-in groove of another assembly fixed rotating shaft; Lower rectangular parallelepiped is provided with lower connecting plate, lower connecting plate is provided with bayonet socket, bayonet socket can be connected with the lower bayonet slot of another assembly fixed rotating shaft, the middle part of fixed rotating shaft arranges the scalable connecting link of telescopiform, the more piece assembly can freely be installed, rotates and stretch, and is combined into multiple plane geometry and the solid geometric patterns such as triangle, quadrilateral, pentahedron, hexahedron.the inside right-hand member of the upper rectangular parallelepiped of hollow is provided with fixed support, be used for fixing page rotating shaft, also be provided with the fixed support draw-in groove on fixed support, page rotating shaft left end is provided with bayonet socket, bayonet socket can be connected with the draw-in groove on another assembly, page fix is in page rotating shaft, page upper end-face edge left side is provided with fixedly hidden discount, its right-hand member is provided with fixedly hidden discount, page rotating shaft left end is equipped with the fixedly elastic rubber band of hidden discount of band, page rotating shaft right-hand member is equipped with the fixedly elastic rubber band of hidden discount of band, the outlet of the page and elastic rubber band is arranged on the front and back edge of the upper rectangular parallelepiped of hollow, lower rectangular parallelepiped lower edge left side is provided with fixedly hidden discount and fixedly hidden discount, lower rectangular parallelepiped lower edge right side is provided with fixedly hidden discount and fixedly hidden discount.Stretching by elastic rubber band can reach the effect of shrinking the page.Elastic rubber band also can use separately, as polyhedral diagonal line, can show the polyhedron page and cornerwise relation.Can solid demonstrate intuitively polyhedral and face, face and diagonal line, diagonal line and cornerwise relation in two dimension and three dimensions.Uninteresting mathematical knowledge is developed into vivid and interesting, active, vivid visual model, stronger acceptability is arranged, intuitive and enlightenment have great help to learning interest, the actual operational capacity of cultivating the student.
The utility model has the advantages that:
1, easy and simple to handle, collapsible, dismounting are easy to carry, and use reliable;
2, multiple plane geometry and the solid geometric patterns such as triangularity capable of being combined, quadrilateral, pentahedron, hexahedron, can do polyhedral of two dimension and three dimensions three-dimensional directly perceived with face, face and diagonal line, diagonal line and cornerwise demonstration, uninteresting mathematical knowledge is developed into vivid and interesting, active, vivid visual model, stronger acceptability is arranged, intuitive and enlightenment have great help to learning interest, the actual operational capacity of cultivating the student;
3, simple in structure, easy manufacturing, cost are low, easily promote.
Description of drawings
Fig. 1 is a joint assembly schematic diagram of the present utility model
Fig. 2 is a joint assembly assumption diagram of the present utility model
Fig. 3 is three joint assembly combination schematic diagram of the present utility model
Fig. 4 is three joint assembly group frame figure of the present utility model
Fig. 5 is three joint assembly diagonal line and page stretching schematic diagram of the present utility model
Fig. 6 is pentahedron framework schematic diagram of the present utility model
Fig. 7 is that pentahedron face of the present utility model and diagonal line concern schematic diagram
Fig. 8 is four joint assembly group frame figure of the present utility model
Fig. 9 is that hexahedron face of the present utility model and diagonal line concern schematic diagram
Embodiment
The utility model is that in three dimensions, polyhedron is showed teaching aid, detachable and the telescopic rectangular parallelepiped module composition by more piece, each joint assembly is comprised of upper rectangular parallelepiped 8, lower rectangular parallelepiped 21, upper junction plate 2, lower connecting plate 24, fixed rotating shaft 11, telescoping shoring column 17, page rotating shaft 9, the page 26, left side elastic rubber band 3 and the right side elastic rubber band 15 of hollow.Upper rectangular parallelepiped 8 left ends of hollow are provided with upper junction plate 2, and upper junction plate 2 is provided with bayonet socket 1, and bayonet socket 1 can be connected with the upper draw-in groove 16 of another assembly fixed rotating shaft 11; Lower rectangular parallelepiped 21 is provided with lower connecting plate 24, lower connecting plate 24 is provided with bayonet socket 25, bayonet socket 25 can be connected with the lower bayonet slot 18 of another assembly fixed rotating shaft 11, the middle part of fixed rotating shaft 11 arranges the scalable connecting link 17 of telescopiform, the more piece assembly can freely be installed, rotates and stretch, and is combined into multiple plane geometry and the solid geometric patterns such as triangle, quadrilateral, pentahedron, hexahedron.
the inside right-hand member of the upper rectangular parallelepiped 8 of hollow is provided with fixed support 13, be used for fixing page rotating shaft 9, also be provided with fixed support draw-in groove 14 on fixed support 13, page rotating shaft 9 left ends are provided with bayonet socket 27, bayonet socket 27 can be connected with the draw-in groove 14 on another assembly, the page 26 is fixed in page rotating shaft 9, be provided with fixedly hidden discount 5 on the left of the page 26 upper end-face edges, its right-hand member is provided with fixedly hidden discount 10, page rotating shaft 9 left ends are equipped with the fixedly elastic rubber band 3 of hidden discount 4 of band, page rotating shaft 9 right-hand members are equipped with the fixedly elastic rubber band 15 of hidden discount 12 of band, the page 26 and elastic rubber band 3, the outlet 7 of elastic rubber band 15 is arranged on the front and back edge of the upper rectangular parallelepiped 8 of hollow, be provided with fixedly hidden discount 22 and fixedly hidden discount 23 on the left of lower rectangular parallelepiped 21 lower edge, lower rectangular parallelepiped 21 lower edge right sides are provided with fixedly hidden discount 19 and fixedly hidden discount 20.Stretching by elastic rubber band 3 and elastic rubber band 15 can reach the effect of shrinking the page 26.Elastic rubber band 3 and elastic rubber band 15 also can use separately, as polyhedral diagonal line 6, can reach the purpose of showing the polyhedron page 26 and diagonal line 6 relations.Can solid demonstrate intuitively polyhedral and face, face and diagonal line, diagonal line and cornerwise relation in two dimension and three dimensions.Uninteresting mathematical knowledge is developed into vivid and interesting, active, vivid visual model, stronger acceptability is arranged, intuitive and enlightenment have great help to learning interest, the actual operational capacity of cultivating the student.
Claims (2)
1. novel solid mathematics teaching aid, it is characterized in that this novel solid mathematics teaching aid by more piece detachable and telescopic rectangular parallelepiped module composition, each joint assembly is the upper rectangular parallelepiped by hollow, lower rectangular parallelepiped, upper junction plate, lower connecting plate, fixed rotating shaft, telescoping shoring column, page rotating shaft, the page, left side elastic rubber band and right side elastic rubber band form, the upper rectangular parallelepiped left end of hollow is provided with upper junction plate, upper junction plate is provided with bayonet socket, bayonet socket can be connected with the upper draw-in groove of another assembly fixed rotating shaft, lower rectangular parallelepiped is provided with lower connecting plate, lower connecting plate is provided with bayonet socket, bayonet socket can be connected with the lower bayonet slot of another assembly fixed rotating shaft, the middle part of fixed rotating shaft arranges the scalable connecting link of telescopiform, the more piece assembly can freely be installed, rotation and flexible, be combined into triangle, quadrilateral, pentahedron, the multiple plane geometry of hexahedron and solid geometric pattern.
2. a kind of novel solid mathematics teaching aid as claimed in claim 1, the inside right-hand member of upper rectangular parallelepiped that it is characterized in that the hollow of this novel solid mathematics teaching aid is provided with fixed support, be used for fixing page rotating shaft, also be provided with the fixed support draw-in groove on fixed support, page rotating shaft left end is provided with bayonet socket, bayonet socket can be connected with the draw-in groove on another assembly, page fix is in page rotating shaft, page upper end-face edge left side is provided with fixedly hidden discount, its right-hand member is provided with fixedly hidden discount, page rotating shaft left end is equipped with the fixedly elastic rubber band of hidden discount of band, page rotating shaft right-hand member is equipped with the fixedly elastic rubber band of hidden discount of band, the outlet of the page and elastic rubber band is arranged on the front and back edge of the upper rectangular parallelepiped of hollow, lower rectangular parallelepiped lower edge left side is provided with page fix hidden discount and fixedly hidden discount of elastic rubber band, lower rectangular parallelepiped lower edge right side is provided with elastic rubber band fixedly hidden discount and page fix hidden discount, stretching by elastic rubber band can reach the effect of shrinking the page, elastic rubber band also can use separately, as polyhedral diagonal line, can show the polyhedron page and diagonal line relation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220641260 CN202939857U (en) | 2012-11-17 | 2012-11-17 | Novel stereoscopic mathematics teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220641260 CN202939857U (en) | 2012-11-17 | 2012-11-17 | Novel stereoscopic mathematics teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202939857U true CN202939857U (en) | 2013-05-15 |
Family
ID=48324084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220641260 Expired - Fee Related CN202939857U (en) | 2012-11-17 | 2012-11-17 | Novel stereoscopic mathematics teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202939857U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109785715A (en) * | 2019-03-22 | 2019-05-21 | 西安文理学院 | A kind of rotary-type magnetic three-dimensional geometrical figure displaying device |
-
2012
- 2012-11-17 CN CN 201220641260 patent/CN202939857U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109785715A (en) * | 2019-03-22 | 2019-05-21 | 西安文理学院 | A kind of rotary-type magnetic three-dimensional geometrical figure displaying device |
| CN109785715B (en) * | 2019-03-22 | 2021-01-29 | 西安文理学院 | Rotary magnetic three-dimensional geometric figure display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HEIHE UNIVERSITY Free format text: FORMER OWNER: WANG FENGLING Effective date: 20130929 Free format text: FORMER OWNER: CHEN QINGLIN SUN LINAN Effective date: 20130929 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Fengling Inventor after: Chen Qinglin Inventor after: Sun Linan Inventor after: Wang Yanan Inventor before: Wang Fengling |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WANG FENGLING TO: WANG FENGLING CHEN QINGLIN SUN LINAN WANG YANAN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130929 Address after: 164300 Heihe education science and technology zone, Xueyuan Road, No. 1, Heihe University, Heilongjiang Patentee after: Heihe University Address before: 164300 Department of mathematics, Heihe University, Xueyuan Road 1, Heihe education science and technology zone, Heilongjiang Patentee before: Wang Fengling Patentee before: Chen Qinglin Patentee before: Sun Linan |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20131117 |