CN101777277A - Wall-mounted three-dimensional figure generating demo board - Google Patents
Wall-mounted three-dimensional figure generating demo board Download PDFInfo
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- CN101777277A CN101777277A CN200910045100A CN200910045100A CN101777277A CN 101777277 A CN101777277 A CN 101777277A CN 200910045100 A CN200910045100 A CN 200910045100A CN 200910045100 A CN200910045100 A CN 200910045100A CN 101777277 A CN101777277 A CN 101777277A
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- fixed
- pad
- supporting plate
- dimensional
- generating
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Abstract
The invention discloses a wall-mounted three-dimensional figure generating demo board, comprising a rotating wheel, an electric motor, a motor base, a low-voltage transformer, a key, a supporting plate, a vertical board, a triangular sheet, a ladder-shaped sheet, a rectangular sheet and an irregular sheet, wherein the supporting plate is fixed on the surface of the vertical board; the motor base and the key are fixed on the upper surface of the supporting plate; the transformer is fixed on the lower surface of the supporting plate; the electric motor is fixed in the motor base; the upper surface of the rotating wheel is provided with a radial slot; the center is provided with a micropore the radius of which is the same as that of the rotating shaft of the electric motor; and the rotating shaft penetrates through the micropore and is fixed. The device has the advantages of simple operation, obvious effect and high visuality, and is suitable for acting as an exhibit in the class-break experiment done by students or in the science and technology museum at school.
Description
Technical field:
The present invention relates to a kind of physics teaching demonstration teaching aid, relate in particular to a kind of wall-mounted three-dimensional figure generating demo board.
Background technology:
In mathematics teaching in junior middle school, " round platform, circular cone, cylinder " is focal points, is again teaching difficulty.And the best way that breaks through this difficult point is to allow the do it yourself generation experiment of " round platform, circular cone, cylinder " of student.But, the generation of the demonstration " round platform, circular cone, cylinder " that existing instructional device can not image process, lean on student oneself to go the imagination, learn these knowledge for the more weak student of a part of space phenomenon ability, having brought must difficulty.
Summary of the invention:
Deficiency at the prior art existence, goal of the invention of the present invention is in order to solve the deficiency of existing apparatus, provide a kind of interactive, can observe the arbitrary plane figure and generate the process of solid figure through rotation, can cause that desire and outstanding effect solid figure that the student explores generate demonstration board.
Goal of the invention of the present invention is achieved through the following technical solutions:
A kind of wall-mounted three-dimensional figure generating demo board comprises runner, motor, motor cabinet, low-tension transformer, telegraph key, back up pad, riser, triangular sheets, trapezoidal plate, rectangular thin plate and irregular thin plate composition.Wherein, back up pad is fixed on the riser surface; Motor cabinet, telegraph key are fixed on the upper surface of back up pad; Transformer is fixed on the lower surface of back up pad; Motor cabinet is fixed in the motor cabinet; The runner upper surface has a radial slot, and there is an aperture identical with the machine shaft radius at the center, and machine shaft passes from this hole and be fixing.
Experimental procedure of the present invention:
In the radial slot of runner, insert planar graphs such as triangular sheets, trapezoidal plate, rectangular thin plate and irregular thin plate respectively; Close telegraph key, make the figure rotation, will observe the solid figure that it forms.
Advantage of the present invention is: can observe the arbitrary plane figure generates solid figure through rotation process.That this device has is interactive, can cause that desire and effect that the student explores are obvious.This device can be hanging on the blackboard and demonstrate, its visible level improves greatly, and the school can be observed, also this device can be hanging on the wall, because of take up space minimumly, can be used as that the student tests break or as the showpiece of science and technology center in the school.
Description of drawings:
Accompanying drawing is the structural representation of a kind of wall-mounted three-dimensional figure generating demo board of the present invention.
The number in the figure explanation
1---runner 2---motor 3---motor cabinet 4---low-tension transformer
5---telegraph key 6---back up pad 7---riser 8---triangular sheets
9---the irregular thin plates of trapezoidal plate 10---rectangular thin plate 11---
Embodiment
How further specify the present invention below in conjunction with accompanying drawing realizes:
Embodiment
1) a kind of wall-mounted three-dimensional figure generating demo board as shown in the figure is made up of runner, motor, motor cabinet, low-tension transformer, telegraph key, back up pad, riser, triangular sheets, trapezoidal plate, rectangular thin plate and irregular thin plate.
2) described back up pad is fixed on the riser surface, wherein, and back up pad size: 150mm * 65mm; Riser size: 300mm * 400mm.
3) described motor cabinet, telegraph key are fixed on the upper surface of back up pad.
4) described transformer is fixed on the lower surface of back up pad.
5) described motor is fixed in the motor cabinet.
6) described runner upper surface has a radial slot, and there is an aperture identical with the machine shaft radius at the center, and machine shaft passes from this hole and be fixing.
7) input end of described telegraph key 5 control low-tension transformers 4.
8) the irregular thin plate size of described triangular sheets trapezoidal plate rectangular thin plate: high 40mm, bottom side length 20mm.
9) described low-tension transformer: input 220V, output 6V.
Claims (1)
1. wall-mounted three-dimensional figure generating demo board, comprise runner, motor, motor cabinet, low-tension transformer, telegraph key, back up pad, riser, triangular sheets, trapezoidal plate, rectangular thin plate and irregular thin plate composition, it is characterized in that: described back up pad is fixed on the riser surface; Motor cabinet, telegraph key are fixed on the upper surface of back up pad; Transformer is fixed on the lower surface of back up pad; Motor cabinet is fixed in the motor cabinet; The runner upper surface has a radial slot, and there is an aperture identical with the machine shaft radius at the center, and machine shaft passes from this hole and be fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910045100A CN101777277A (en) | 2009-01-09 | 2009-01-09 | Wall-mounted three-dimensional figure generating demo board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910045100A CN101777277A (en) | 2009-01-09 | 2009-01-09 | Wall-mounted three-dimensional figure generating demo board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101777277A true CN101777277A (en) | 2010-07-14 |
Family
ID=42513729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910045100A Pending CN101777277A (en) | 2009-01-09 | 2009-01-09 | Wall-mounted three-dimensional figure generating demo board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101777277A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015169079A1 (en) * | 2014-05-08 | 2015-11-12 | 崔群 | Figure change demonstration device for surfaces rotating to form solids |
-
2009
- 2009-01-09 CN CN200910045100A patent/CN101777277A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015169079A1 (en) * | 2014-05-08 | 2015-11-12 | 崔群 | Figure change demonstration device for surfaces rotating to form solids |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100714 |