CN2777670Y - Demonstrator for two force balance - Google Patents
Demonstrator for two force balance Download PDFInfo
- Publication number
- CN2777670Y CN2777670Y CN 200520089457 CN200520089457U CN2777670Y CN 2777670 Y CN2777670 Y CN 2777670Y CN 200520089457 CN200520089457 CN 200520089457 CN 200520089457 U CN200520089457 U CN 200520089457U CN 2777670 Y CN2777670 Y CN 2777670Y
- Authority
- CN
- China
- Prior art keywords
- utility
- demonstrator
- model
- plate
- force balance
- 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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- Electrically Operated Instructional Devices (AREA)
Abstract
A demonstrator for two-force balance belongs to teaching appliances. The utility model provides the demonstrator for two-force balance with good demonstration teaching effects. The utility model comprises a plate. The utility model has the essential structure that both sides of a lightweight body on the plate are respectively provided with fixed pulleys, and a thread rope is respectively connected with the lightweight body and hook poise bodies through the fixed pulleys.
Description
Technical field:
The utility model is to belong to instruments used for education.
Background technology:
The balance between two forces demonstrator is to demonstrate on desk in the present teaching, can only allow the part student see clearly, is difficult to allow more people see clearly, and therefore, what be not easy to impart knowledge to students carries out.
The utility model content:
The utility model is exactly at the problems referred to above, and a kind of balance between two forces demonstrator of demonstration teaching better effects if is provided.
The utility model adopts following technical scheme: the utility model comprises plate, and its structural feature is that the both sides of lightweight object are respectively arranged with fixed pulley on the plate, links to each other by the same respectively lightweight object of the cotton rope of fixed pulley, hook sign indicating number.
The beneficial effects of the utility model:
Because the both sides of lightweight object are respectively arranged with fixed pulley on the plate, link to each other by the same respectively lightweight object of the cotton rope of fixed pulley, hook sign indicating number, just plate can be erected, carry out the demonstration of balance between two forces like this; When both sides act on the power equal and opposite in direction of lightweight object, when opposite, lightweight object is motionless, can make more student see the demonstration effect.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Embodiment:
The utility model comprises plate 5, and the both sides of lightweight object 4 are respectively arranged with fixed pulley 2 on the plate 5, and the cotton rope 3 by fixed pulley 2 links to each other with lightweight object 4, hook sign indicating number 1 respectively.
Claims (1)
1, balance between two forces demonstrator comprises plate (5), it is characterized in that plate (5) upward is respectively arranged with fixed pulley (2) in the both sides of lightweight object (4), and is continuous by the same respectively lightweight object of cotton rope (3) (4), the hook sign indicating number (1) of fixed pulley (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520089457 CN2777670Y (en) | 2005-02-25 | 2005-02-25 | Demonstrator for two force balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520089457 CN2777670Y (en) | 2005-02-25 | 2005-02-25 | Demonstrator for two force balance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2777670Y true CN2777670Y (en) | 2006-05-03 |
Family
ID=36745050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520089457 Expired - Fee Related CN2777670Y (en) | 2005-02-25 | 2005-02-25 | Demonstrator for two force balance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2777670Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558265A (en) * | 2016-05-04 | 2017-04-05 | 张念现 | Teaching exert oneself balance demonstrator |
-
2005
- 2005-02-25 CN CN 200520089457 patent/CN2777670Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558265A (en) * | 2016-05-04 | 2017-04-05 | 张念现 | Teaching exert oneself balance demonstrator |
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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 |