CN206774037U - A kind of mathematical probabilities demonstration device - Google Patents
A kind of mathematical probabilities demonstration device Download PDFInfo
- Publication number
- CN206774037U CN206774037U CN201720354085.2U CN201720354085U CN206774037U CN 206774037 U CN206774037 U CN 206774037U CN 201720354085 U CN201720354085 U CN 201720354085U CN 206774037 U CN206774037 U CN 206774037U
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- China
- Prior art keywords
- coin
- chute
- storing box
- piston rod
- cylinder
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Abstract
The utility model discloses a kind of mathematical probabilities demonstration device,Including supplying coin device,Liftout attachment and display device,The coin storing box for including placing vertically for coin device,The lower section of the coin storing box connects horizontal positioned chute,Sliding block is provided with chute,The bottom of the coin storing box is provided with pull bar,The liftout attachment includes cylinder,The cylinder is internally provided with piston rod,The centre of the piston rod is connected with telescopic lever,The free end of piston rod is provided with electromagnet,The outside of the cylinder is provided with ejection-spring,Jacking block is fixedly installed on the top of piston rod,The display device includes dividing plate,Poke rod is provided with the right side of dividing plate,The both sides of dividing plate are provided with sidewall paneling,Lines identifier is provided with the sidewall paneling in the left side,Display screen is provided with below the sidewall paneling in left side,Broadcast device is provided with the sidewall paneling on the right side；A kind of mathematical probabilities demonstration device, simple in construction, automaticity is high, time saving and energy saving.
Description
Technical field
Teaching aid technical field is the utility model is related to, more particularly to a kind of mathematical probabilities demonstration device.
Background technology
In high school mathematicses, probability theory is one of important knowledge point, probability, also known as probability or possibility, is people's root
The concept that defines of rule occurred according to chance event, it is very abstract concept, it is difficult to be understood and convinced by classmates, so needing
Simple probability lecture experiment result is coordinated to help classmates to understand, the probability lecture experiment most often done is exactly to throw away coin experiment,
Jettisoning coin when, statistics front side upward or reverse side upward anti-raw number, it is necessary to which the person of statistics holds coin throws in the air, so
Wait coin to fall to the ground afterwards, to repeat above-mentioned action multiple, after repeatedly throwing away coin, obtain coin it is any one upwardly
Probability is half, one piece of coin is repeatedly thrown in presentation process at present pick up again come, so repeat to one piece
Coin is operated, and is very expended muscle power, is also lost time, coin often rolls farther out after landing, and coin volume
It is smaller, easily it is rolled into corner and can not find, it is inaccurate causes demonstration result, it is impossible to convincing.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of mathematical probabilities demonstration device.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is:A kind of mathematical probabilities demonstration device, including supply
Coin device, liftout attachment and display device；
It is described to include a coin storing box placed vertically for coin device, stacked in coin storing box and be provided with coin, the save
The lower section of case connects a horizontal positioned chute, sliding block is provided with chute, the bottom of the chute is provided with a coin and entered
Mouthful, inclined-plane chute is provided with below coin entry, the horizontal concrete chute is connected with the inclined-plane chute by coin entry,
The bottom of the coin storing box is provided with a vertical pull bar, girt is connected with the bottom of vertical pull bar, in girt
Outside is socketed with back-moving spring, and one end of the girt is connected with vertical pull bar, and the other end is connected with telescopic lever, described
One end of telescopic lever is fixedly connected with liftout attachment；
The liftout attachment includes a cylinder, and the lower end of the cylinder is fixedly connected with base, is set in the surrounding of cylinder
There is sealant, the cylinder is internally provided with piston rod, and the centre of the piston rod is connected with telescopic lever, in piston rod
Free end is provided with electromagnet, and the outside of the cylinder is provided with ejection-spring, and the lower end of the ejection-spring is fixed on base
On, jacking block is fixedly installed on the top of piston rod, the upper end of the jacking block is connected with inclined-plane chute, a left side for the liftout attachment
End is provided with display device；
The display device includes a dividing plate, is provided with coin storing box opening on the dividing plate, is provided with the right side of dividing plate
Poke rod, one end of the poke rod are connected with motor, and the coin of the ejection falls on dividing plate, is provided with the both sides of dividing plate
Sidewall paneling, lines identifier is provided with the sidewall paneling in the left side, display screen, institute are provided with below the sidewall paneling in left side
State and be provided with broadcast device on the sidewall paneling on right side.
As a kind of preferable technical scheme of the utility model, the diameter of the chute is only capable of one coin of appearance and passed through.
As a kind of preferable technical scheme of the utility model, the bottom of the coin storing box is provided with an opening, described to open
The top of mouth and vertical pull bar coincide.
As a kind of preferable technical scheme of the utility model, the jacking block is circular metalwork.
As a kind of preferable technical scheme of the utility model, square hole is provided with the sidewall paneling, is set in square hole
There is the motor that driving poke rod rotates.
As a kind of preferable technical scheme of the utility model, the poke rod is circular arc bar.
Compared with prior art, the beneficial effects of the utility model are：A kind of mathematical probabilities demonstration device, it is simple in construction,
Easy to operate, the throwing of coin can be dished out coin automatically by cylinder, ejection-spring and magnet control, automaticity
Height, in each ejection, ejection-spring, cylinder and electromagnet all same, it is ensured that throwing environment during each throwing coin
It is identical, the accuracy of guarantee test result and the convincingness of experiment；The coin launched when in use falls on dividing plate, by dialling
Lever is stirred, and coin is put into coin storing box from the porch of coin storing box, coin storing box can disposably be put into multiple coins, avoid
Statistics card every time is needed to pick up the trouble of coin, and manpower has also been liberated while saving the time；The coin dished out each fall within every
On plate, the lines identifier on sidewall paneling is by taking the lines on coin to be analyzed, so as to judge it is front or back, so
Report out by broadcast device afterwards, display screen shows last result, can save observer and observe needed for coin
Time, put statistics person arrangement and statistics.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is that the utility model supplies coin apparatus structure schematic diagram；
Fig. 3 is the utility model liftout attachment structural representation.
In figure, 1- poke rods；2- broadcast devices；3- motors；4- coin storing box；5- chutes；6- sliding blocks；7- coins；8- coins enter
Mouthful；The vertical pull bars of 9-；10- girts；11- back-moving springs；12- telescopic levers；13- sealants；14- ejection-springs；15- gas
Cylinder；16- bases；17- piston rods；18- electromagnet；19- jacking blocks；20- liftout attachments；21- inclined-planes chute；22- display screens；23-
Display device；24- dividing plates；25- sidewall panelings；26- lines identifiers；27- supplies coin device；28- coin storing box openings.
Embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.Herein it should be noted that
It is used to help understand the utility model for the explanation of these embodiments, but does not form to restriction of the present utility model.This
Outside, as long as technical characteristic involved in each embodiment of the utility model disclosed below does not form conflict each other
Can is mutually combined.
Fig. 1, Fig. 2 and Fig. 3 are referred to, the utility model provides a kind of technical scheme：A kind of mathematical probabilities demonstration device, including
For coin device 27, liftout attachment 20 and display device 23, the coin storing box 4 for including placing vertically for coin device 27, the table of coin storing box 4
Face is shaped as cylindricality, and its size is slightly larger than the diameter of coin 7, and coin 7 is stacked in coin storing box 4, the lower section connection water of coin storing box 4
The chute 5 of placing flat, sliding block 6 is provided with chute 5, chute 5 is slightly larger than the thickness of single coin 7, and the bottom of coin storing box 4 is set
An opening is equipped with, the opening and the top of vertical pull bar 9 coincide, in the presence of piston rod 17, the vertical meeting of pull bar 9 and save
Opening separation under case 4, lowermost coin 7 can fall into chute 5, sliding block 6 to promote coin 7 to enter in inclined-plane chute 21,
The bottom of chute 5 is provided with coin entry 8, is provided with inclined-plane chute 21 in the lower section of coin entry 8, horizontal chute 5 and tiltedly
Face chute 21 is connected by coin entry 8, and the bottom of coin storing box 4 is provided with vertical pull bar 9, is connected in the bottom of vertical pull bar 9
There is girt 10, back-moving spring 11 is socketed with the outside of girt 10, one end of girt 10 is connected with vertical drawing
Bar 9, the other end are connected with telescopic lever 12, the presence of back-moving spring 11, ensure that telescopic lever 12, girt 10 and coin
In level between 7, one end of telescopic lever 12 is fixedly connected with liftout attachment 20；
Liftout attachment 20 includes cylinder 15, and the lower end of cylinder 15 is fixedly connected with base 16, is set in the surrounding of cylinder 15
There is sealant 13, cylinder 15 is internally provided with piston rod 17, and the centre of piston rod 17 is connected with telescopic lever 12, in piston rod
17 free end is provided with electromagnet 18, and the outside of cylinder 15 is provided with ejection-spring 14, and the lower end of ejection-spring 14 is fixed on
On base 16, jacking block 19 is fixedly installed on the top of piston rod 17, jacking block 19 is circular metalwork, and drive cylinder 15 is living
Stopper rod 17 is stretched out so that electromagnet 18 is contacted with jacking block 19, and then electromagnet 18 is powered, and electromagnet 18 just holds jacking block
19, then drive piston rod 17 to shrink so that electromagnet 18 drives jacking block 19 to decline, the attraction between electromagnet 18 and jacking block 19
Power is more than the elastic force of ejection-spring 14, carries out power operation to electromagnet 18, the attraction between electromagnet 18 and jacking block 19 disappears
Lose, in the presence of ejection-spring 14, jacking block 19 is ejected so that jacking block 19 rapidly rises, and upper end and the inclined-plane of jacking block 19 are slided
Groove 21 connects, and for the coin positioned at the top of jacking block 19 by being thrown off, the left end of liftout attachment 20 is provided with display device 23；
Display device 23 includes dividing plate 24, is provided with coin storing box opening 28 on dividing plate 24, is provided with the top of dividing plate 24
Poke rod 1, poke rod 1 are circular arc bar, and one end of poke rod 1 is connected with motor 3, and the both sides of dividing plate 24 are provided with sidewall paneling
25, lines identifier 26 is provided with the sidewall paneling 25 in left side, and display screen 22 is provided with the lower section of the sidewall paneling 25 in left side, it is right
Broadcast device is provided with the sidewall paneling 25 of side, after coin 7 is spilled over processing, poke rod 1 is by coin 7 again from save tank inlet 28
Again it is stored into coin storing box 4.
Superiority of the present utility model is embodied in：Cylinder 15 is internally provided with piston rod 17, the centre of piston rod 17 with
Telescopic lever 12 is connected, and electromagnet 18 is provided with the free end of piston rod 17, and the outside of cylinder 15 is provided with ejection-spring 14,
Jacking block 19 is fixedly installed on the top of piston rod 17, electromagnet 18 is powered, electromagnet 18 just holds jacking block 19, then
Driving piston rod 17 shrink so that electromagnet 18 drive jacking block 19 decline, to electromagnet 18 carry out power operation, electromagnet 18 with
Attraction between jacking block 19 is disappeared, and in the presence of ejection-spring 14, jacking block 19 is ejected, and coin 7 is dished out automatically, side wall
Lines identifier 26 is provided with plate 25, by taking the lines on coin 7 to be analyzed, so as to judge it is front or back,
Can save observer observe coin needed for time, put statistics person arrangement and statistics.
Operation principle of the present utility model：In use, in the presence of piston rod 17, vertical pull bar 9 can with coin storing box 4
Opening separation, lowermost coin 7 can fall into chute 5, and sliding block 6 is to promote coin 7 to enter in inclined-plane chute 21, driving gas
Cylinder 15, piston rod 17 are stretched out so that electromagnet 18 is contacted with jacking block 19, and then electromagnet 18 is powered, and electromagnet 18 is just
Hold jacking block 19, then drive piston rod 17 to shrink so that electromagnet 18 drives jacking block 19 to decline, electromagnet 18 and jacking block 19 it
Between attraction be more than ejection-spring 14 elastic force, to electromagnet 18 carry out power operation, between electromagnet 18 and jacking block 19
Attraction is disappeared, and in the presence of ejection-spring 14, jacking block 19 is ejected so that jacking block 19 rapidly rises, the upper end of jacking block 19
It is connected with inclined-plane chute 21, the coin positioned at the top of jacking block 19 is by being thrown off, and the coin 7 dished out falls on dividing plate 24, lines
Identifier 26 makes a distinction to it, is then shown by display screen 22, then motor 3, poke rod 1 by coin 7 from
Coin storing box opening 28, which is in, to be stored in coin storing box 4.
Embodiment of the present utility model is explained in detail above in association with accompanying drawing, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, it is right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall within the scope of protection of the utility model.
Claims (6)
1. a kind of mathematical probabilities demonstration device, including exist for coin device (27), liftout attachment (20) and display device (23), its feature
In：The coin storing box (4) for including placing vertically for coin device (27), stacks in coin storing box (4) and is provided with coin (7), institute
The lower section for stating coin storing box (4) connects horizontal positioned chute (5), and sliding block (6) is provided with chute (5), the chute (5)
Bottom is provided with coin entry (8), and inclined-plane chute (21), the horizontal chute (5) are provided with below coin entry (8)
Being connected with the inclined-plane chute (21) by coin entry (8), the bottom of the coin storing box (4) is provided with vertical pull bar (9),
The bottom of vertical pull bar (9) is connected with girt (10), and back-moving spring (11), institute are socketed with the outside of girt (10)
The one end for stating girt (10) is connected with vertical pull bar (9), and the other end is connected with telescopic lever (12), the telescopic lever
(12) one end is fixedly connected with liftout attachment (20)；
The liftout attachment (20) includes cylinder (15), and the lower end of the cylinder (15) is fixedly connected with base (16), in cylinder
(15) surrounding is provided with sealant (13), and the cylinder (15) is internally provided with piston rod (17), the piston rod (17)
Centre be connected with telescopic lever (12), electromagnet (18) is provided with the free end of piston rod (17), the cylinder (15)
Outside is provided with ejection-spring (14), and the lower end of the ejection-spring (14) is fixed on base (16), in piston rod (17)
Top is fixedly installed jacking block (19), and the upper end of the jacking block (19) is connected with inclined-plane chute (21), the liftout attachment (20)
Left end be provided with display device (23)；
The display device (23) includes dividing plate (24), coin storing box opening (28) is provided with the dividing plate (24), in dividing plate
(24) poke rod (1) is provided with above, one end of the poke rod (1) is connected with motor (3), set in the both sides of dividing plate (24)
Sidewall paneling (25) is equipped with, lines identifier (26) is provided with the sidewall paneling (25) in the left side, the sidewall paneling (25) in left side
Lower section be provided with display screen (22), be provided with broadcast device (2) on the sidewall paneling (25) on the right side.
A kind of 2. mathematical probabilities demonstration device according to claim 1, it is characterised in that：The diameter of the chute (5) is only capable of
Hold a coin (7) to pass through.
A kind of 3. mathematical probabilities demonstration device according to claim 1, it is characterised in that：The bottom of the coin storing box (4) is set
An opening is equipped with, the opening and the top of vertical pull bar (9) coincide.
A kind of 4. mathematical probabilities demonstration device according to claim 1, it is characterised in that：The jacking block (19) is circular gold
Belong to part.
A kind of 5. mathematical probabilities demonstration device according to claim 1, it is characterised in that：It is provided with the sidewall paneling (25)
Square hole, the motor (3) that driving poke rod (1) rotates is provided with square hole.
A kind of 6. mathematical probabilities demonstration device according to claim 1, it is characterised in that：The poke rod (1) is circular arc
Bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720354085.2U CN206774037U (en) | 2017-04-06 | 2017-04-06 | A kind of mathematical probabilities demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720354085.2U CN206774037U (en) | 2017-04-06 | 2017-04-06 | A kind of mathematical probabilities demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206774037U true CN206774037U (en) | 2017-12-19 |
Family
ID=60630399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720354085.2U Expired - Fee Related CN206774037U (en) | 2017-04-06 | 2017-04-06 | A kind of mathematical probabilities demonstration device |
Country Status (1)
| Country | Link |
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| CN (1) | CN206774037U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108205949A (en) * | 2017-12-31 | 2018-06-26 | 陕西理工大学 | A kind of mathematical thinking training auxiliary device |
| CN108630066A (en) * | 2018-05-18 | 2018-10-09 | 南阳理工学院 | A kind of Higher Mathematics Teaching probability learning device and method |
| CN108766130A (en) * | 2018-05-18 | 2018-11-06 | 南阳理工学院 | A kind of applied mathematics probabilistic method and device |
| CN108922331A (en) * | 2018-07-23 | 2018-11-30 | 李春浓 | A kind of mathematical probabilities apparatus for demonstrating |
| CN108961527A (en) * | 2018-08-29 | 2018-12-07 | 王文易 | A kind of Coin discharging apparatus and coin terminal is changed using the intelligence of the device |
| CN109036001A (en) * | 2018-09-06 | 2018-12-18 | 安徽理工大学 | A kind of probabilistic models teaching optimization method |
| CN109243259A (en) * | 2018-11-20 | 2019-01-18 | 嘉兴学院 | It is a kind of for demonstrating the simulating demonstration teaching aid for mathematics of probability statistics |
| CN109272829A (en) * | 2018-11-27 | 2019-01-25 | 潍坊工程职业学院 | A kind of College Mathematics Teaching probability event entertaining intelligent interaction device |
| CN109272827A (en) * | 2018-11-09 | 2019-01-25 | 山东劳动职业技术学院（山东劳动技师学院） | Probability learning secondary presentation device |
| CN109615988A (en) * | 2019-01-23 | 2019-04-12 | 胡乐怡 | A kind of physics teaching inertial demonstration device |
| CN110570728A (en) * | 2019-09-25 | 2019-12-13 | 王旭 | Probability demonstration device |
| CN110580839A (en) * | 2019-08-27 | 2019-12-17 | 盐城师范学院 | be used for probability statistics mathematical simulation presentation device |
| CN111261003A (en) * | 2020-02-26 | 2020-06-09 | 菏泽学院 | Probability demonstration device for mathematical teaching |
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2017
- 2017-04-06 CN CN201720354085.2U patent/CN206774037U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108205949A (en) * | 2017-12-31 | 2018-06-26 | 陕西理工大学 | A kind of mathematical thinking training auxiliary device |
| CN108630066A (en) * | 2018-05-18 | 2018-10-09 | 南阳理工学院 | A kind of Higher Mathematics Teaching probability learning device and method |
| CN108766130A (en) * | 2018-05-18 | 2018-11-06 | 南阳理工学院 | A kind of applied mathematics probabilistic method and device |
| CN108766130B (en) * | 2018-05-18 | 2023-09-08 | 南阳理工学院 | Statistical method and device for applying mathematical probability |
| CN108630066B (en) * | 2018-05-18 | 2023-09-08 | 南阳理工学院 | Probability learning device and method for advanced math teaching |
| CN108922331A (en) * | 2018-07-23 | 2018-11-30 | 李春浓 | A kind of mathematical probabilities apparatus for demonstrating |
| CN108961527A (en) * | 2018-08-29 | 2018-12-07 | 王文易 | A kind of Coin discharging apparatus and coin terminal is changed using the intelligence of the device |
| CN109036001A (en) * | 2018-09-06 | 2018-12-18 | 安徽理工大学 | A kind of probabilistic models teaching optimization method |
| CN109272827A (en) * | 2018-11-09 | 2019-01-25 | 山东劳动职业技术学院（山东劳动技师学院） | Probability learning secondary presentation device |
| CN109243259A (en) * | 2018-11-20 | 2019-01-18 | 嘉兴学院 | It is a kind of for demonstrating the simulating demonstration teaching aid for mathematics of probability statistics |
| CN109272829A (en) * | 2018-11-27 | 2019-01-25 | 潍坊工程职业学院 | A kind of College Mathematics Teaching probability event entertaining intelligent interaction device |
| CN109615988A (en) * | 2019-01-23 | 2019-04-12 | 胡乐怡 | A kind of physics teaching inertial demonstration device |
| CN110580839A (en) * | 2019-08-27 | 2019-12-17 | 盐城师范学院 | be used for probability statistics mathematical simulation presentation device |
| CN110580839B (en) * | 2019-08-27 | 2020-08-07 | 盐城师范学院 | Be used for probability statistics mathematical simulation presentation device |
| CN110570728A (en) * | 2019-09-25 | 2019-12-13 | 王旭 | Probability demonstration device |
| CN110570728B (en) * | 2019-09-25 | 2021-10-22 | 成都大学 | Probability demonstration device |
| CN111261003A (en) * | 2020-02-26 | 2020-06-09 | 菏泽学院 | Probability demonstration device for mathematical teaching |
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| Date | Code | Title | Description |
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| 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: 20171219 Termination date: 20180406 |