CN204242464U - A kind of Mathematics of Economics probability model teaching aid - Google Patents
A kind of Mathematics of Economics probability model teaching aid Download PDFInfo
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- CN204242464U CN204242464U CN201420755097.2U CN201420755097U CN204242464U CN 204242464 U CN204242464 U CN 204242464U CN 201420755097 U CN201420755097 U CN 201420755097U CN 204242464 U CN204242464 U CN 204242464U
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- 238000007789 sealing Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000004576 sand Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of Mathematics of Economics probability model teaching aid, comprise casing, sandbox, knocker, long tube, through hole, magnet, port lid, scraper plate, experimental box, handle, base plate, showcase, handle and support plate, one experimental box is arranged at described casing top, a device is had at the scraper plate of experimental box inwall in described experimental box, there is the handle stretching out experimental box one end of scraper plate, a base plate is had below described scraper plate, base plate is provided with magnet and a through hole, a port lid is had above described through hole, bottom is connected with the long tube leading to sandbox, described sandbox is provided with a knocker, described lower box has a showcase, support plate is provided with in showcase, described display cabinet door there is a handle.This Mathematics of Economics probability model teaching aid, reasonable in design, diverse in function, can carry out the experiment of diversified economy mathematical probabilities, and very environmental protection, and make simple, cost is lower.
Description
Technical field
The utility model relates to probability model teaching aid equipment technical field, is specially a kind of Mathematics of Economics probability model teaching aid.
Background technology
Mostly be the figure that teacher draws bar cylindricality on blackboard in present Teaching of Probability to explain, method is stereotyped, can not the vivid displaying content of teaching, and the effect that makes to give lessons is had a greatly reduced quality.
Summary of the invention
The purpose of this utility model is to provide a kind of Mathematics of Economics probability model teaching aid, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme: a kind of Mathematics of Economics probability model teaching aid, comprise casing, sandbox, knocker, long tube, through hole, magnet, port lid, scraper plate, experimental box, handle, base plate, showcase, handle and support plate, one experimental box is arranged at described casing top, a device is had at the scraper plate of experimental box inwall in described experimental box, there is the handle stretching out experimental box one end of scraper plate, a base plate is had below described scraper plate, base plate is provided with magnet and a through hole, a port lid is had above described through hole, bottom is connected with the long tube leading to sandbox, described sandbox is provided with a knocker, described lower box has a showcase, support plate is provided with in showcase, described display cabinet door there is a handle.
Preferably, described experimental box is that three side sealing closes, and top is without case lid.
Preferably, described scraper plate can slide in experimental box.
Preferably, level and smooth the inlaying in the soleplate of described magnet.
Preferably, described sandbox can draw in pull-out in casing.
Preferably, described support plate is set to multilayer.
Compared with prior art; the beneficial effects of the utility model are: this Mathematics of Economics probability model teaching aid; reasonable in design; diverse in function, can carry out the experiment of diversified economy mathematical probabilities, the content that the vivid displaying of energy is taught; the effect that makes to give lessons promotes greatly; and very environmental protection, make simple, cost is lower.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
In figure: 1 casing, 2 sandboxs, 3 knockers, 4 long tubes, 5 through holes, 6 magnet, 7 port lids, 8 scraper plates, 9 experimental boxs, 10 handles, 11 base plates, 12 showcases, 13 handle and 14 support plates.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the utility model provides a kind of technical scheme: a kind of Mathematics of Economics probability model teaching aid, comprise casing 1, sandbox 2, knocker 3, long tube 4, through hole 5, magnet 6, port lid 7, scraper plate 8, experimental box 9, handle 10, base plate 11, showcase 12, handle 13 and support plate 14, one experimental box 9 is arranged at described casing 1 top, experimental box 9 closes for three side sealing, top is without case lid, be convenient to show student, therefore easy to use, various Mathematics of Economics Probability Experiments can be carried out in experimental box 9, a device is had at the scraper plate 8 of experimental box 9 inwall in described experimental box 9, described scraper plate 8 can slide in experimental box 9, pour the fine sand in sandbox 2 into experimental box 9, the handle 10 that experimental box 9 is stretched out in one end by scraper plate 8 drags scraper plate 8 and is shakeout by fine sand, be convenient to carry out Probability Experiments on fine sand, the Probability Experiments made by this method is clear, the content that the vivid displaying of energy is taught, the effect that makes to give lessons promotes greatly, described scraper plate 8 has a base plate 11 below, base plate 11 is provided with magnet 6 and a through hole 5, what described magnet 6 was level and smooth is embedded in base plate 11, can by probability model teaching aid holding tightly, anti-sliding stop, cause experimental result error larger, after experiment has been carried out, port lid 7 on through hole 5 can be taken out, and then fine sand will be fallen by through hole 5, maintain base plate 11 clean and tidy clean, described through hole 5 bottom has a long tube 4 to lead to sandbox 2, fine sand is prevented to be scattered, the fine sand falling into sandbox 2 is kept at sandbox 2, be convenient to use next time, described sandbox 2 there is a knocker 3, and sandbox 2 can draw in pull-out in casing 1, be convenient to get sand, one showcase 12 is arranged at described casing 1 bottom, support plate 14 is provided with in showcase 12, described support plate 14 is set to multilayer, can layering lay model teaching aid, very clear when in use, be convenient to pick and place, described showcase 12 cabinet door there is a handle 13, by 13 open closed cabinet doors of shaking hands, be convenient to pick and place model teaching aid.This Mathematics of Economics probability model teaching aid, reasonable in design, diverse in function, can carry out the experiment of diversified economy mathematical probabilities; can the vivid displaying content of teaching, the effect that makes to give lessons promotes greatly, and very environmental protection; make simple, cost is lower, is easy to promote the use of in school.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should by instructions integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (6)
1. a Mathematics of Economics probability model teaching aid, comprises casing (1), sandbox (2), knocker (3), long tube (4), through hole (5), magnet (6), port lid (7), scraper plate (8), experimental box (9), handle (10), base plate (11), showcase (12), handle (13) and support plate (14), one experimental box (9) is arranged at described casing (1) top, a device is had at the scraper plate (8) of experimental box (9) inwall in described experimental box (9), there is the handle (10) stretching out experimental box (9) one end of scraper plate (8), described scraper plate (8) has a base plate (11) below, base plate (11) is provided with magnet (6) and a through hole (5), described through hole (5) has a port lid (7) above, bottom is connected with the long tube (4) leading to sandbox (2), described sandbox (2) is provided with a knocker (3), one showcase (12) is arranged at described casing (1) bottom, be provided with support plate (14) in showcase (12), described showcase (12) cabinet door have a handle (13).
2. a kind of Mathematics of Economics probability model teaching aid according to claim 1, is characterized in that: described experimental box (9) closes for three side sealing, and top is without case lid.
3. a kind of Mathematics of Economics probability model teaching aid according to claim 1, is characterized in that: described scraper plate (8) can slide in experimental box (9).
4. a kind of Mathematics of Economics probability model teaching aid according to claim 1, is characterized in that: what described magnet (6) was level and smooth is embedded in base plate (11).
5. a kind of Mathematics of Economics probability model teaching aid according to claim 1, is characterized in that: described sandbox (2) can draw in pull-out in casing (1).
6. a kind of Mathematics of Economics probability model teaching aid according to claim 1, is characterized in that: described support plate (14) is set to multilayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420755097.2U CN204242464U (en) | 2014-12-05 | 2014-12-05 | A kind of Mathematics of Economics probability model teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420755097.2U CN204242464U (en) | 2014-12-05 | 2014-12-05 | A kind of Mathematics of Economics probability model teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204242464U true CN204242464U (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420755097.2U Expired - Fee Related CN204242464U (en) | 2014-12-05 | 2014-12-05 | A kind of Mathematics of Economics probability model teaching aid |
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| Country | Link |
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| CN (1) | CN204242464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551347A (en) * | 2016-01-21 | 2016-05-04 | 殷俊峰 | Probability learning device for intelligent mathematics teaching |
-
2014
- 2014-12-05 CN CN201420755097.2U patent/CN204242464U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551347A (en) * | 2016-01-21 | 2016-05-04 | 殷俊峰 | Probability learning device for intelligent mathematics teaching |
| CN105551347B (en) * | 2016-01-21 | 2019-02-05 | 临沂大学 | A kind of intelligent mathematical teaching probability learning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 |