CN206574325U - A kind of mathematical education demonstration device for probability - Google Patents
A kind of mathematical education demonstration device for probability Download PDFInfo
- Publication number
- CN206574325U CN206574325U CN201720259217.3U CN201720259217U CN206574325U CN 206574325 U CN206574325 U CN 206574325U CN 201720259217 U CN201720259217 U CN 201720259217U CN 206574325 U CN206574325 U CN 206574325U
- Authority
- CN
- China
- Prior art keywords
- runner
- casing
- box body
- ball
- mathematical education
- 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
Links
Abstract
The utility model discloses a kind of mathematical education demonstration device for probability, including runner, casing, box body, runner bottom connection casing, casing bottom connection box body；The runner is that circle centre position installs rotating shaft inside disc-shaped structure, runner, and rotating shaft connects three connecting rods, and connecting rod end is fixedly connected with baffle plate；The top of runner is provided with ball hole, ball hole the wheel cap that is connected through the hinge, and the bottom of runner is provided with ball mouth, ball mouth connection casing top；Several fixing axles are fixedly connected with the casing, fixing axle surface is provided with a circle banister brush；The bottom of the casing is connected with the top of box body, and casing is flexibly connected with the both sides of box body by the first lock；The utility model pours into demonstration ball inside runner, and demonstration ball warp crosses casing into presentation different zones distribution in box body, and each region area can be adjusted arbitrarily, be conducive to deepening understanding of the student to Probability.
Description
Technical field
The utility model is related to teaching equipment field, more particularly to a kind of mathematical education demonstration device for probability.
Background technology
Often it is related to probability problem in high school mathematics teaching, because Probability is more abstract, especially for normal state point
Cloth probability, student, which understands, gets up difficult, and at present because without the probability teaching aid for being adapted to teaching, student can only explain by teacher
Remove to understand probability theory, this mode of giving lessons is not so that understanding and Grasping level of the student to probability is high, mistake of the teacher in explanation
It is also very painstaking in journey.
Utility model content
In order to overcome above-mentioned technical problem, the utility model provides a kind of mathematical education demonstration device for probability, can be right
Probability phenomenon carries out experimental demonstration, is conducive to deepening understanding of the student to probability.
The utility model solves the technical scheme that its technical problem used：A kind of mathematical education is demonstrated with probability and filled
Put, including runner, casing, box body, runner bottom connection casing, casing bottom connection box body；The runner is disc-shaped structure,
Circle centre position installs rotating shaft inside runner, and rotating shaft connects three connecting rods, and connecting rod end is fixedly connected with baffle plate；The top of runner be provided with into
Be connected through the hinge wheel cap at ball mouthful, ball hole, and the bottom of runner is provided with ball mouth, ball mouth connection casing top；The case
Several fixing axles are fixedly connected with vivo, and fixing axle surface is provided with a circle banister brush；The bottom of the casing and the top of box body
It is connected, casing is flexibly connected with the both sides of box body by the first lock；The box bottom is equally spaced provided with several
Dividing plate is flexibly connected in groove, groove.
Further, motor and battery are provided with rear side of the runner, storage battery connection motor, the output shaft of motor connects
Switch through axle.
Further, the wheel hd top face is provided with the second lock and handle.
Further, ball mouth Central Symmetry of several the described fixing axles along runner is distributed in isosceles trapezoid.
Further, the leading flank of the dividing plate is provided with scale.
Further, the angle between the adjacent connecting rod two-by-two is 120 degree.
Further, the runner, casing, the leading flank of box body are all transparent areas.
The beneficial effects of the utility model are that the mathematical education demonstration device for probability pours into demonstration ball inside runner,
Demonstration ball warp crosses casing into presentation different zones distribution in box body, and each region area can be adjusted arbitrarily, be conducive to deepening student
Understanding to Probability.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is structural representation of the present utility model.
Indicated in figure, 1. runners, 2. casings, 3. box bodys, 4. rotating shafts, 5. connecting rods, 6. baffle plates, 7. ball holes, 8. ball mouths,
9. wheel cap, 10. fixing axles, 11. banister brush, 12. first locks, 13. grooves, 14. dividing plates, 15. second locks, 16. handles.
Embodiment
Reference picture 1, a kind of mathematical education demonstration device for probability, including runner 1, casing 2, box body 3, the bottom of runner 1 connect
Connect casing 2, the bottom of casing 2 connection box body 3；The runner 1 is disc-shaped structure, and the inside circle centre position of runner 1 is installed rotating shaft 4, turned
Axle 4 is fixedly connected with three connecting rods 5, and the end of connecting rod 5 is fixedly connected with baffle plate 6；The top of runner 1 is provided with ball hole 7, ball hole 7
Be connected through the hinge wheel cap 9, and the bottom of runner 1 is provided with ball mouth 8, the connection casing 2 of ball mouth 8 top；It is fixed in the casing 2
Several fixing axles 10 are connected, a circle banister brush 11 is pasted on the surface of fixing axle 10；The bottom of the casing 2 and the top of box body 3
It is connected, casing 2 is flexibly connected with the both sides of box body 3 by the first lock 12；The bottom surface of box body 3 is provided with several equidistant point
Insertion dividing plate 14 in the groove 13 of cloth, groove 13.
Further, the rear side of runner 1 installs motor and battery, storage battery connection motor, motor by screw
Output shaft connection rotating shaft 4.
Further, the top surface of wheel cap 9 is fixedly connected with the second lock 15 and handle 16.
Further, ball mouth 8 Central Symmetry of several the described fixing axles 10 along runner 1 is distributed in isosceles trapezoid.
Further, the leading flank of the dividing plate 14 is provided with scale, and the demonstration ball accumulation between dividing plate 14 can be entered
Rower is noted.
Further, the angle between the adjacent connecting rod 5 two-by-two is 120 degree.
Further, the runner 1, casing 2, the leading flank of box body 3 are all transparent areas, convenient for student viewing.
Operation principle of the present utility model is to open wheel cap 9, multiple demonstration balls is poured into runner 1 by ball hole 7, electricity
Machine drives rotating shaft 4 to rotate, and demonstration ball is rotated in runner 1 and enters casing 2 by ball mouth 8 successively, while can prevent many
Individual demonstration ball is stuck at ball mouth 8 and can not dropped；The screening of demonstration ball warp fixing axle 10 is fallen between the dividing plate 14 in box body 3；It is soft
Hairbrush 11 can prevent that excessive thrum of elastic force causes to influence demonstrating effect between demonstration ball and fixing axle 10, while can be right
The demonstration ball of decline is slowed down, and improves demonstrating effect；Dividing plate 14 can make position adjustment according to actual needs and spacing is adjusted
It is whole, add the selectivity of experimental variable.
Claims (7)
1. a kind of mathematical education demonstration device for probability, it is characterised in that including runner（1）, casing（2）, box body（3）, runner
（1）Bottom connects casing（2）, casing（2）Bottom connects box body（3）；The runner（1）It is disc-shaped structure, runner（1）It is internal
Circle centre position installs rotating shaft（4）, rotating shaft（4）Connect three connecting rods（5）, connecting rod（5）End is fixedly connected with baffle plate（6）；Runner（1）'s
Top is provided with ball hole（7）, ball hole（7）Place is connected through the hinge wheel cap（9）, runner（1）Bottom be provided with ball mouth（8）,
Ball mouth（8）Connect casing（2）Top；The casing（2）Inside it is fixedly connected with several fixing axles（10）, fixing axle（10）Surface
Provided with a circle banister brush（11）；The casing（2）Bottom and box body（3）Top be connected, casing（2）With box body（3）'s
Both sides pass through the first lock（12）It is flexibly connected；The box body（3）Bottom surface is provided with the groove that several are equally spaced（13）, groove
（13）Interior flexible connection dividing plate（14）.
2. mathematical education demonstration device for probability according to claim 1, it is characterised in that the runner（1）Rear side is set
There are motor and battery, storage battery connection motor, the output shaft connection rotating shaft of motor（4）.
3. mathematical education demonstration device for probability according to claim 1, it is characterised in that the wheel cap（9）Top surface is set
There is the second lock（15）And handle（16）.
4. mathematical education demonstration device for probability according to claim 1, it is characterised in that several described fixing axles
（10）Along runner（1）Ball mouth（8）Central Symmetry is distributed in isosceles trapezoid.
5. mathematical education demonstration device for probability according to claim 1, it is characterised in that the dividing plate（14）Front side
Face is provided with scale.
6. mathematical education demonstration device for probability according to claim 1, it is characterised in that the adjacent connecting rod two-by-two
（5）Between angle be 120 degree.
7. mathematical education demonstration device for probability according to claim 1, it is characterised in that the runner（1）, casing
（2）, box body（3）Leading flank be all transparent area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720259217.3U CN206574325U (en) | 2017-03-17 | 2017-03-17 | A kind of mathematical education demonstration device for probability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720259217.3U CN206574325U (en) | 2017-03-17 | 2017-03-17 | A kind of mathematical education demonstration device for probability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206574325U true CN206574325U (en) | 2017-10-20 |
Family
ID=60054208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720259217.3U Expired - Fee Related CN206574325U (en) | 2017-03-17 | 2017-03-17 | A kind of mathematical education demonstration device for probability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206574325U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109754678A (en) * | 2019-02-26 | 2019-05-14 | 王玲 | A kind of higher mathematics demonstration device for probability |
| CN109859579A (en) * | 2019-03-20 | 2019-06-07 | 宿州市鑫尧健康科技有限公司 | A kind of mathematical probabilities class teaching aid equipment |
| CN110164258A (en) * | 2019-06-02 | 2019-08-23 | 周清 | A kind of mathematical statistics normal distribution demonstration teaching aid and demenstration method |
| CN110491271A (en) * | 2019-08-02 | 2019-11-22 | 安徽盛鸿展览工程有限公司 | A kind of machinery rhythm apparatus for demonstrating demonstration ball promotion diversion mechanism |
| CN111127983A (en) * | 2020-01-19 | 2020-05-08 | 西安文理学院 | Mathematical probability demonstration device |
| CN111145617A (en) * | 2020-01-18 | 2020-05-12 | 西安文理学院 | Mathematical probability demonstration device |
| CN111312032A (en) * | 2020-02-19 | 2020-06-19 | 吉林化工学院 | Probability statistics distribution teaching presentation device |
| CN111524426A (en) * | 2020-06-05 | 2020-08-11 | 唐熠 | Probability presentation device for mathematical education |
| CN112908114A (en) * | 2021-01-28 | 2021-06-04 | 中国人民解放军国防科技大学 | Queuing theory teaching demonstration and statistics device |
-
2017
- 2017-03-17 CN CN201720259217.3U patent/CN206574325U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109754678A (en) * | 2019-02-26 | 2019-05-14 | 王玲 | A kind of higher mathematics demonstration device for probability |
| CN109859579A (en) * | 2019-03-20 | 2019-06-07 | 宿州市鑫尧健康科技有限公司 | A kind of mathematical probabilities class teaching aid equipment |
| CN110164258A (en) * | 2019-06-02 | 2019-08-23 | 周清 | A kind of mathematical statistics normal distribution demonstration teaching aid and demenstration method |
| CN110164258B (en) * | 2019-06-02 | 2022-03-22 | 山东育博苑文化传媒有限公司 | Mathematical statistics normal distribution demonstration teaching aid and demonstration method |
| CN110491271A (en) * | 2019-08-02 | 2019-11-22 | 安徽盛鸿展览工程有限公司 | A kind of machinery rhythm apparatus for demonstrating demonstration ball promotion diversion mechanism |
| CN110491271B (en) * | 2019-08-02 | 2021-05-21 | 安徽盛鸿展览工程有限公司 | Mechanical rhythm demonstration device promotes reposition of redundant personnel mechanism with demonstration ball |
| CN111145617A (en) * | 2020-01-18 | 2020-05-12 | 西安文理学院 | Mathematical probability demonstration device |
| CN111127983A (en) * | 2020-01-19 | 2020-05-08 | 西安文理学院 | Mathematical probability demonstration device |
| CN111312032A (en) * | 2020-02-19 | 2020-06-19 | 吉林化工学院 | Probability statistics distribution teaching presentation device |
| CN111524426A (en) * | 2020-06-05 | 2020-08-11 | 唐熠 | Probability presentation device for mathematical education |
| CN112908114A (en) * | 2021-01-28 | 2021-06-04 | 中国人民解放军国防科技大学 | Queuing theory teaching demonstration and statistics device |
| CN112908114B (en) * | 2021-01-28 | 2023-03-14 | 中国人民解放军国防科技大学 | Queuing theory teaching demonstration and statistics device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171020 Termination date: 20180317 |