CN206558067U - A kind of College Maths probability event teaching demonstration device - Google Patents
A kind of College Maths probability event teaching demonstration device Download PDFInfo
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- CN206558067U CN206558067U CN201720116262.3U CN201720116262U CN206558067U CN 206558067 U CN206558067 U CN 206558067U CN 201720116262 U CN201720116262 U CN 201720116262U CN 206558067 U CN206558067 U CN 206558067U
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Abstract
The utility model discloses a kind of College Maths probability event teaching demonstration device of teaching equipment technical field, including housing, motor is provided with the middle part of the inner chamber of the housing, the outer wall of the output shaft of the motor is socketed with axle sleeve, the outer wall of the axle sleeve is evenly arranged with rocking bar, the outer end of the rocking bar is provided with arc kickplate, and the outer wall of arc kickplate is contacted with the inwall of housing, the utility model is stirred by motor drive rocker to probability ball, the teaching of probability is set to have the presentation process of entity, increase the learning interest of student, facilitate specific understanding of the student to probability, improve the quality of teaching, constantly repeat to explain without the need for teacher, reduce the teaching load of teaching teacher, improve teaching process, and according to the content of courses can increase or decrease the quantity and label of probability ball, reach the teaching demonstration of different probability.
Description
Technical field
The utility model is related to teaching equipment technical field, specially a kind of College Maths probability event teaching demonstration dress
Put.
Background technology
Probability is the measurement for the possibility that chance event occurs, typically with a real number representation between 0 to 1 one
The possibility size that event occurs.Closer to 1, the event more likely occurs；Closer to 0, then the event unlikely occurs, its
It is objective demonstration, rather than subjective checking, most of during the Probability Teaching of College Maths at present carried out generally by teacher
The explanation of rate theory, due to not specific presentation process, it is difficult to understand probability completely student is only carried out study by theory
Particular content, cause quality of instruction relatively low, at the same need teacher constantly repeat explain, increase teaching teacher teaching bear
Load, therefore, a kind of it is proposed that College Maths probability event teaching demonstration device.
Utility model content
The purpose of this utility model is to provide a kind of College Maths probability event teaching demonstration device, to solve the above-mentioned back of the body
Proposed in scape technology it is current it is most of during the Probability Teaching of College Maths be that saying for probability theory is carried out by teacher
Solution, due to not specific presentation process, it is difficult only the particular content for understanding probability completely by theoretical progress study to make student,
Cause quality of instruction relatively low, while need teacher constantly to repeat to explain, the problem of increasing the teaching load of teaching teacher.
To achieve the above object, the utility model provides following technical scheme：A kind of College Maths probability event teaching is drilled
Motor, the outer wall set of the output shaft of the motor are provided with the middle part of showing device, including housing, the inner chamber of the housing
Axle sleeve is connected to, the outer wall of the axle sleeve is evenly arranged with rocking bar, and the outer end of the rocking bar is provided with arc kickplate, and arc kickplate
Outer wall contacted with the inwall of housing, probability ball release pipe, and probability ball release pipe are vertically provided with the top of the housing
Bottom is arranged on the inner chamber of housing, and the inner chamber of the probability ball release pipe is evenly arranged with probability ball, the probability ball release pipe
Inner chamber transverse splicing have a dividing plate, the right-hand member of the dividing plate is arranged on the right side that probability ball discharges pipe, and the bottom of the housing is erected
The inner chamber that housing is arranged at the top of probability ball discharge pipe, and probability ball discharge pipe to being plugged with, the probability ball discharge pipe
Inner chamber is vertically plugged with stopper, and the outer wall bottom of the housing is provided with support base, and the bottom left and right sides of the support base is equal
Supporting leg is provided with, the right side wall of the housing is provided with control device, and the control device is electrically connected with motor.
It is preferred that, the probability ball is the different ball of label, and the structure of ball is identical.
It is preferred that, the internal diameter of the probability ball discharge pipe is identical with the external diameter of probability ball.
It is preferred that, the outer wall of the stopper is provided with screw thread.
Compared with prior art, the beneficial effects of the utility model are：The utility model passes through motor drive rocker
Probability ball is stirred, the teaching of probability is had the presentation process of entity, increases the learning interest of student, facilitates student
Specific understanding to probability, improves the quality of teaching, and constantly repeats to explain without the need for teacher, reduces the teaching of teaching teacher
Burden, improves teaching process, and according to the content of courses can increase or decrease the quantity and label of probability ball, reaches not
The teaching demonstration of same probability.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
In figure：1 housing, 2 motors, 3 axle sleeves, 4 rocking bars, 5 arc kickplates, 6 probability balls release pipe, 7 probability balls, 8 every
Plate, 9 probability ball discharge pipes, 10 stoppers, 11 support bases, 12 supporting legs, 13 control devices.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Referring to Fig. 1, the utility model provides a kind of technical scheme：A kind of College Maths probability event teaching demonstration dress
Put, including housing 1, be provided with motor 2 in the middle part of the inner chamber of housing 1, the outer wall of the output shaft of motor 2 is socketed with axle sleeve
3, the outer wall of axle sleeve 3 is evenly arranged with rocking bar 4, and the outer end of rocking bar 4 is provided with arc kickplate 5, and the outer wall and shell of arc kickplate 5
The inwall contact of body 1, the top of housing 1 is vertically provided with probability ball release pipe 6, and the bottom of probability ball release pipe 6 is arranged on
The inner chamber of housing 1, the inner chamber of probability ball release pipe 6 is evenly arranged with probability ball 7, and probability ball discharges the inner chamber transverse splicing of pipe 6
There is dividing plate 8, the right-hand member of dividing plate 8 is arranged on the right side that probability ball discharges pipe 6, and the bottom of housing 1 is vertically plugged with the discharge of probability ball
Pipe 9, and the top of probability ball discharge pipe 9 is arranged on the inner chamber of housing 1, the inner chamber of probability ball discharge pipe 9 is vertically plugged with stopper
10, the outer wall bottom of housing 1 is provided with support base 11, and the bottom left and right sides of support base 11 is provided with supporting leg 12, housing 1
Right side wall be provided with control device 13, control device 13 is electrically connected with motor 2.
Wherein, probability ball 7 is the different ball of label, and the structure of ball is identical, probability demonstration is had area
Divide and reduce probable error, the internal diameter of probability ball discharge pipe 9 is identical with the external diameter of probability ball 7, make the discharge of each probability ball 7 only
Can be by one, the outer wall of stopper 10 is provided with screw thread, it is ensured that compactness of the stopper 10 in the inner chamber of probability ball discharge pipe 9.
Operation principle：The utility model connects the institute of motor 2 when carrying out Probability Teaching demonstration by control device 13
Circuit, the output shaft of motor 2 is rotated, pass through turning for the rotational band moving axis of the output shaft of motor 2 set 3
It is dynamic, shake the rotation of bar 4 by the rotational band of axle sleeve 3, the rotation of arc kickplate 5 is driven by the rotation of rocking bar 4, while will be general
The dividing plate 8 of rate ball release pipe 6 inner chamber is extracted out, and the probability ball 7 for enabling probability ball to discharge the inner chamber of pipe 6 enters the inner chamber of housing 1, leads to
The rotation of arc kickplate 5 is crossed, the probability ball 7 into the inner chamber of housing 1 is stirred, will during being stirred to probability ball
The stopper 10 of the inner chamber of probability discharge pipe 9 is extracted, and enables probability ball 7 is random to be discharged by probability ball discharge pipe 9, to row every time
The color for going out probability ball 7 is recorded, and reaches the demonstration purpose of random chance, while can also be increased according to the content of courses
Or the quantity and label of probability ball 7 are reduced, the teaching demonstration of different probability is reached, passes through the phase of support base 11 and supporting leg 12
Mutually coordinate, it is ensured that the stability of housing 1.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of College Maths probability event teaching demonstration device, including housing (1), it is characterised in that：The housing (1) it is interior
Motor (2) is provided with the middle part of chamber, the outer wall of the output shaft of the motor (2) is socketed with axle sleeve (3), the axle sleeve
(3) outer wall is evenly arranged with rocking bar (4), and the outer end of the rocking bar (4) is provided with arc kickplate (5), and arc kickplate (5)
Outer wall is contacted with the inwall of housing (1), and probability ball release pipe (6) is vertically provided with the top of the housing (1), and probability ball is released
The bottom for putting pipe (6) is arranged on the inner chamber of housing (1), and the inner chamber of the probability ball release pipe (6) is evenly arranged with probability ball
(7), the inner chamber transverse splicing of the probability ball release pipe (6) has dividing plate (8), and the right-hand member of the dividing plate (8) is arranged on probability ball
The right side of release pipe (6), the bottom of the housing (1) is vertically plugged with probability ball discharge pipe (9), and probability ball discharge pipe (9)
Top be arranged on the inner chamber of housing (1), the inner chamber of the probability ball discharge pipe (9) is vertically plugged with stopper (10), the shell
The outer wall bottom of body (1) is provided with support base (11), and the bottom left and right sides of the support base (11) is provided with supporting leg
(12), the right side wall of the housing (1) is provided with control device (13), and the control device (13) is electrical with motor (2)
Connection.
2. a kind of College Maths probability event teaching demonstration device according to claim 1, it is characterised in that：The probability
Ball (7) is the different ball of label, and the structure of ball is identical.
3. a kind of College Maths probability event teaching demonstration device according to claim 1, it is characterised in that：The probability
The internal diameter of ball discharge pipe (9) is identical with the external diameter of probability ball (7).
4. a kind of College Maths probability event teaching demonstration device according to claim 1, it is characterised in that：The stopper
(10) outer wall is provided with screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720116262.3U CN206558067U (en) | 2017-02-08 | 2017-02-08 | A kind of College Maths probability event teaching demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720116262.3U CN206558067U (en) | 2017-02-08 | 2017-02-08 | A kind of College Maths probability event teaching demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206558067U true CN206558067U (en) | 2017-10-13 |
Family
ID=60010621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720116262.3U Expired - Fee Related CN206558067U (en) | 2017-02-08 | 2017-02-08 | A kind of College Maths probability event teaching demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206558067U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107705670A (en) * | 2017-11-13 | 2018-02-16 | 王孝庆 | A kind of primary school math teaching device |
| CN108417123A (en) * | 2018-05-25 | 2018-08-17 | 潍坊科技学院 | A kind of mathematical education probability demonstration equipment |
| CN110367685A (en) * | 2019-07-15 | 2019-10-25 | 安徽诚德刷业有限公司 | A kind of industrial brush bristle carding apparatus |
| CN110459093A (en) * | 2019-08-27 | 2019-11-15 | 平顶山学院 | A kind of Music teaching aid note simulation training device |
| CN111127983A (en) * | 2020-01-19 | 2020-05-08 | 西安文理学院 | Mathematical probability demonstration device |
| CN112185217A (en) * | 2020-09-30 | 2021-01-05 | 郑州航空工业管理学院 | Probability calculation demonstration equipment for mathematical education |
-
2017
- 2017-02-08 CN CN201720116262.3U patent/CN206558067U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107705670A (en) * | 2017-11-13 | 2018-02-16 | 王孝庆 | A kind of primary school math teaching device |
| CN107705670B (en) * | 2017-11-13 | 2020-06-09 | 丁文铃 | Primary school mathematics teaching device |
| CN108417123A (en) * | 2018-05-25 | 2018-08-17 | 潍坊科技学院 | A kind of mathematical education probability demonstration equipment |
| CN110367685A (en) * | 2019-07-15 | 2019-10-25 | 安徽诚德刷业有限公司 | A kind of industrial brush bristle carding apparatus |
| CN110459093A (en) * | 2019-08-27 | 2019-11-15 | 平顶山学院 | A kind of Music teaching aid note simulation training device |
| CN110459093B (en) * | 2019-08-27 | 2021-07-27 | 平顶山学院 | Musical note simulation training device for music teaching aid |
| CN111127983A (en) * | 2020-01-19 | 2020-05-08 | 西安文理学院 | Mathematical probability demonstration device |
| CN112185217A (en) * | 2020-09-30 | 2021-01-05 | 郑州航空工业管理学院 | Probability calculation demonstration equipment for mathematical education |
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| 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: 20171013 Termination date: 20180208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |