CN2842613Y - Demonstrator for teaching - Google Patents
Demonstrator for teaching Download PDFInfo
- Publication number
- CN2842613Y CN2842613Y CN 200520098582 CN200520098582U CN2842613Y CN 2842613 Y CN2842613 Y CN 2842613Y CN 200520098582 CN200520098582 CN 200520098582 CN 200520098582 U CN200520098582 U CN 200520098582U CN 2842613 Y CN2842613 Y CN 2842613Y
- Authority
- CN
- China
- Prior art keywords
- dolly
- demonstration device
- teaching
- utility
- demonstrator
- Prior art date
- 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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- Instructional Devices (AREA)
Abstract
The utility model provides a kind of demonstrator for teaching, be provided with several gears that coincide mutually not of uniform size in the demonstration device, be externally connected with crank, gear is connected with two traction ropes respectively and passes that demonstration device is outer respectively to connect a dolly by support roller above demonstration device, the utility model is in teaching, can in dolly, place various pictures in kind, shake crank, the dolly that is drawn can reflect different paces and climb and fall and backward going state, make the student from visually see intuitively dolly in opposite directions with the different in the same way characteristics of motion.
Description
Affiliated technical field
The utility model relates to a kind of teaching aid, a kind of specifically demonstrator for teaching.
Background technology
At present, in school mathematics, physics teaching, relate to the application topic of a lot of strokes and engineering problem, teacher needs a large amount of time to lecture the meaning of the question, and the line chart analysis of will drawing, the student then will understand the meaning of the question by paying attention to the class by imagination, causes religion can not reach consistent fully with learning.
Summary of the invention
The utility model provides a kind of demonstrator for teaching, can by the dynamic sense of demonstration, inspire student's deep understanding when teaching.
The technical scheme that the utility model adopted is: the demonstration device of rectangular parallelepiped box body type, several gears that vary in size of packing into, the outer dolly friction speed operation of transmission traction demonstration device mutually, it is characterized in that, be provided with several gears that coincide mutually not of uniform size in the demonstration device, be externally connected with crank, gear is connected with two traction ropes respectively and passes that demonstration device is outer respectively to be connected with a dolly on support roller is aspect on the demonstration device.
The beneficial effects of the utility model are: make the mutual transmission of gear by shaking crank, because traction rope is connected on the gear not of uniform size, the dolly that is drawn will reflect different paces, simultaneously, also can adjust as required and make its climb and fall and reverse relative travelling, during teaching, can on dolly, place various pictures in kind, can make the student from visually see intuitively dolly in opposite directions and different motion rule in the same way.
Description of drawings
Accompanying drawing is the utility model structural representation.
Embodiment
Among the figure: the gear 2 that several sizes are not coincide mutually in the demonstration device 1, connect crank 3 outward, two traction ropes 5 that gear 2 connects respectively pass demonstration device 1 and respectively connect a dolly 6 on support roller 4 are aspect on the demonstration device 1.
Claims (1)
1, a kind of demonstrator for teaching, it is characterized in that: be provided with several gears (2) that coincide mutually not of uniform size in the demonstration device (1), be externally connected with crank (3), gear (2) is connected with two traction ropes (5) respectively and passes that demonstration device (1) is outer respectively to be connected with a dolly (6) on support roller (4) is aspect on the demonstration device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520098582 CN2842613Y (en) | 2005-10-31 | 2005-10-31 | Demonstrator for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520098582 CN2842613Y (en) | 2005-10-31 | 2005-10-31 | Demonstrator for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2842613Y true CN2842613Y (en) | 2006-11-29 |
Family
ID=37446492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520098582 Expired - Fee Related CN2842613Y (en) | 2005-10-31 | 2005-10-31 | Demonstrator for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2842613Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102800239A (en) * | 2012-08-17 | 2012-11-28 | 无锡商业职业技术学院 | Gear transmission system for tongman skill training in teaching |
-
2005
- 2005-10-31 CN CN 200520098582 patent/CN2842613Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102800239A (en) * | 2012-08-17 | 2012-11-28 | 无锡商业职业技术学院 | Gear transmission system for tongman skill training in teaching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |