CN211349813U - Model ruler for mathematical stroke problem - Google Patents
Model ruler for mathematical stroke problem Download PDFInfo
- Publication number
- CN211349813U CN211349813U CN201921386208.6U CN201921386208U CN211349813U CN 211349813 U CN211349813 U CN 211349813U CN 201921386208 U CN201921386208 U CN 201921386208U CN 211349813 U CN211349813 U CN 211349813U
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- China
- Prior art keywords
- pulley
- model
- toy car
- model ruler
- mathematical
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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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- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a model chi of mathematics journey problem, including the model chi, be provided with the scale on the model chi, be provided with first track and second track on the model chi, be provided with first toy car on the first track, be provided with second toy car on the second track, first toy car with be provided with first drive wheel and second drive wheel on the second toy car respectively, be provided with first pulley and second pulley between first track and the second track, first drive wheel is connecting through first drive line first pulley, the second drive wheel is connecting through the second drive line the second pulley. The rear end of the first toy car is provided with a spring which is connected with the side wall of the model ruler, and the rear end of the second toy car is provided with a spring which is connected with the side wall of the model ruler.
Description
Technical Field
The utility model relates to a model chi especially relates to a model chi of mathematical stroke problem.
Background
In mathematical education, an abstract drawing is commonly used for solving a stroke problem, and is difficult to understand for some students.
SUMMERY OF THE UTILITY MODEL
The utility model provides a model chi of mathematics stroke problem, through the motion change of pulley combination simulation stroke problem, the motion process is clear visible, can with control process, makes the student better understand the stroke problem and solve the answer easily, provides the enthusiasm of study.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the model ruler comprises a model ruler body, scales are arranged on the model ruler body, a track is arranged on the model ruler body, and a toy car is arranged on the track.
Above-mentioned scheme is further, be provided with first track and second track on the model chi, be provided with first pulley and second pulley between first track and the second track, be provided with first toy car on the first track, be provided with first drive wheel under the first toy car, first drive wheel is being connected through first transmission line first pulley, be provided with second toy car on the second track, be provided with the second drive wheel under the second toy car, the second drive wheel is being connected through second transmission line the second pulley.
Above-mentioned scheme is further, first toy car rear end is provided with the spring, the spring is being connected the model chi lateral wall.
Above-mentioned scheme is further, second toy car rear end is provided with the spring, the spring is being connected the model chi lateral wall.
Further, the diameter ratio of the first pulley to the second pulley is 2: 1.
The scheme is further that grooves are formed in the outer side face of the first pulley.
The scheme is further that grooves are formed in the outer side face of the second pulley.
The utility model discloses a technical advantage and effect: the movement change of the stroke problem is simulated through the pulley combination, the movement process is clear and visible, the process can be controlled, students can easily understand the stroke problem and answer the question better, and the enthusiasm of learning is provided.
Drawings
FIG. 1 is a top view of a model ruler for a mathematical stroke problem.
FIG. 2 is a schematic diagram of a model ruler first pulley and second pulley for a mathematical stroke problem.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 2, a model ruler for mathematical stroke problems includes a model ruler 1, the model ruler 1 is provided with scales 2, the model ruler 1 is provided with a first rail 3 and a second rail 4, the first rail 3 is provided with a first toy car 7, the second rail 4 is provided with a second toy car 8, the first toy car 7 and the second toy car 8 are respectively provided with a first driving wheel and a second driving wheel, a first pulley 5 and a second pulley 6 are arranged between the first rail 3 and the second rail 4, the diameter ratio of the first pulley 5 to the second pulley 6 is 2:1, the first driving wheel is connected with the first pulley 5 through a first transmission line 9, and the second driving wheel is connected with the second pulley 6 through a second transmission line 10.
In order to make the toy car automatically return to the original place after arriving at the destination, further, the rear end of the first toy car 7 is provided with a spring 11, the spring 11 is connected with the side wall of the model ruler 1, the rear end of the second toy car 8 is provided with a spring 11, and the spring 11 is connected with the side wall of the model ruler 1.
In order to facilitate winding of the transmission line, further, grooves are formed on the outer side surfaces of the first pulley 5 and the second pulley 6.
The first pulley of manual drive and second pulley, first pulley drive first transmission line, and first transmission line drives first drive wheel to pull first toy car and move, and on the same hand, the second pulley drives the second transmission line, and the second transmission line drives the second drive wheel, thereby pulls the second toy car and move, according to the demand of oneself, can fix first toy car and second toy car in a certain position. After the movement is finished, the first toy car and the second toy car can automatically return to the original positions through the springs.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. The model ruler for the mathematical stroke problem comprises a model ruler (1) and is characterized in that scales (2) are arranged on the model ruler (1), a plurality of tracks are arranged on the model ruler, and a plurality of toy cars are arranged on the tracks.
2. The model ruler of claim 1, wherein the model ruler (1) is provided with a first rail (3) and a second rail (4), a first pulley (5) and a second pulley (6) are arranged between the first rail (3) and the second rail (4), the first rail (3) is provided with a first toy car (7), a first driving wheel is arranged under the first toy car (7), the first driving wheel is connected with the first pulley (5) through a first transmission line (9), the second rail (4) is provided with a second toy car (8), a second driving wheel is arranged under the second toy car (8), and the second driving wheel is connected with the second pulley through a second transmission line (10).
3. A model ruler for mathematical stroke problems according to claim 2 characterized in that the first toy car (7) is provided with a spring (11) at its rear end, said spring (11) being attached to the model ruler (1) side wall.
4. A model ruler for mathematical stroke problems according to claim 2 characterized in that the second toy car (8) is provided with a spring (11) at its rear end, said spring (11) being attached to the model ruler (1) side wall.
5. A model ruler of mathematical stroke problems as claimed in claim 2, characterized in that the diameter ratio of the first pulley (5) and the second pulley (6) is 2: 1.
6. A model ruler of mathematical stroke problems as claimed in claim 2, characterized in that the outer side of the first pulley (5) is provided with grooves.
7. A model ruler of mathematical stroke problems as claimed in claim 2, characterized in that the outer side of the second pulley (6) is provided with grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921386208.6U CN211349813U (en) | 2019-08-23 | 2019-08-23 | Model ruler for mathematical stroke problem |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921386208.6U CN211349813U (en) | 2019-08-23 | 2019-08-23 | Model ruler for mathematical stroke problem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211349813U true CN211349813U (en) | 2020-08-25 |
Family
ID=72133891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921386208.6U Expired - Fee Related CN211349813U (en) | 2019-08-23 | 2019-08-23 | Model ruler for mathematical stroke problem |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211349813U (en) |
-
2019
- 2019-08-23 CN CN201921386208.6U patent/CN211349813U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200825 |