CN204537570U - Physics teaching the law of buoyancy apparatus for demonstrating - Google Patents
Physics teaching the law of buoyancy apparatus for demonstrating Download PDFInfo
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- CN204537570U CN204537570U CN201520224549.9U CN201520224549U CN204537570U CN 204537570 U CN204537570 U CN 204537570U CN 201520224549 U CN201520224549 U CN 201520224549U CN 204537570 U CN204537570 U CN 204537570U
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Abstract
The utility model relates to physics teaching the law of buoyancy apparatus for demonstrating, comprise transparent cabinet and case lid, dividing plate is utilized all to separate three fluid reservoirs arranged side by side in described casing, dividing plate is provided with scale mark, a liquid of equivalent is injected with from left to right successively in four fluid reservoirs, No. two liquid, No. two liquid, No. two liquid, a liquid is different from No. two fluid densities, on case lid, corresponding each fluid reservoir all runs through and arranges through hole, a hollow buoyant spheres with filling opening is all placed with in fluid reservoir, one is all threaded with the addition funnel of scale mark in through hole, addition funnel is provided with operation valve, add successively from left to right in addition funnel and have an injection liquid, an injection liquid, an injection liquid, No. two injection liquids, a described injection liquid is different from No. two injection liquid density.The utility model structure is simple, be convenient to dynamic demonstration buoyancy size variation process, be convenient to set forth buoyancy effect factor by contrast test directly perceived.
Description
Technical field
The utility model relates to junior middle school physics teaching device technique field, specifically relates to physics teaching the law of buoyancy apparatus for demonstrating.
Background technology
In junior physics course teaching, buoyancy phenomenon is the key content of Physics Course, and the factor affecting buoyancy is the difficult point of teaching all the time.The size of buoyancy only arranges the volume of liquid and liquid density with object institute is relevant, and irrelevant with the degree of depth at object place, and when fluid density is constant, the volume that object arranges liquid is larger, and buoyancy is larger; When the liquid volume that object arranges is constant, fluid density is larger, and buoyancy is larger; When fluid density is larger with the product arranging liquid volume, buoyancy is larger.
Utility model content
Technical problem to be solved in the utility model is to provide physics teaching the law of buoyancy apparatus for demonstrating that a kind of structure is simple, be convenient to dynamic demonstration buoyancy size variation process, be convenient to be set forth by contrast test directly perceived buoyancy effect factor.
For solving the problems of the technologies described above, the utility model provides following technical scheme: physics teaching the law of buoyancy apparatus for demonstrating, comprise transparent cabinet and case lid, dividing plate is utilized all to separate three fluid reservoirs arranged side by side in described casing, described dividing plate is provided with scale mark, a liquid of equivalent is injected with from left to right successively in four fluid reservoirs, No. two liquid, No. two liquid, No. two liquid, a described liquid is different from No. two fluid densities, on described case lid, corresponding each fluid reservoir all runs through and arranges through hole, a hollow buoyant spheres with filling opening is all placed with in described fluid reservoir, one is all threaded with the addition funnel of scale mark in described through hole, described addition funnel is provided with operation valve, add successively from left to right in described addition funnel and have an injection liquid, an injection liquid, an injection liquid, No. two injection liquids, a described injection liquid is different from No. two injection liquid density.
On such scheme basis preferably, the dynamometer of casing inner bottom part is connected in bottom described each buoyant spheres by connecting line.
On such scheme basis preferably, described casing outer bottom being evenly provided with four can braking universal wheel.
On such scheme basis preferably, the corresponding partition position place of described casing lateral surface is provided with a moveable magnifier.
On such scheme basis preferably, described magnifier by sucker suction on casing lateral surface.
The beneficial effect that the utility model compared with prior art has is: wherein, casing is become four fluid reservoirs by baffle for separating, utilize identical or different liquid in each fluid reservoir, identical or different weight buoyant spheres (utilization add the density of injection liquid in buoyant spheres and/or capacity different and realize buoyant spheres and vary in weight) realizes contrasting simultaneously, to explain buoyancy effect factor in all directions, demonstrating visual, easy to operate, teaching efficiency is good; Meanwhile, dividing plate is provided with scale mark, is convenient to observe the impact of each buoyant spheres on liquid storage indoor liquid; Meanwhile, in buoyant spheres, the capacity of injection liquid is controlled by addition funnel, is convenient to progressively liquid feeding, and change process with dynamic demonstration buoyancy size, teaching efficiency is good.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Number in the figure is: 1-casing, 2 case lids, 3-dividing plate, 4-liquid, 5-No. bis-liquid, 6-buoyant spheres, 7-addition funnel, 8-injection liquid, 9-No. bis-injection liquids, 10-fluid reservoir, 11-scale mark, 12-operation valve, 13-connecting line, 14-dynamometer, 15-can braking universal wheel, 16-magnifier, 17-sucker.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
In description of the present utility model, it will be appreciated that, term " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, it is only the utility model for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
See figures.1.and.2 known, physics teaching the law of buoyancy apparatus for demonstrating, comprise transparent cabinet 1 and case lid 2, dividing plate 3 is utilized all to separate three fluid reservoirs 10 arranged side by side in described casing 1, described dividing plate 3 is provided with scale mark 11, a liquid 4 of equivalent is injected with from left to right successively in four fluid reservoirs 10, No. two liquid 5, No. two liquid 5, No. two liquid 5, a described liquid 8 is different from No. two liquid 9 density, on described case lid 2, corresponding each fluid reservoir 10 all runs through and arranges through hole, a hollow buoyant spheres 6 with filling opening is all placed with in described fluid reservoir 10, one is all threaded with the addition funnel 7 of scale mark in described through hole, described addition funnel 7 is provided with operation valve 12, add successively from left to right in described addition funnel 7 and have an injection liquid 8, an injection liquid 8, an injection liquid 8, No. two injection liquids 9, a described injection liquid 8 is different from No. two injection liquid 9 density.
Wherein, casing 1 is separated into four fluid reservoirs 10 by dividing plate 3, utilize identical or different liquid in each fluid reservoir 10, identical or different weight buoyant spheres 6(to utilize to add the density of injection liquid in buoyant spheres and/or capacity different and realize buoyant spheres and vary in weight) realize contrasting simultaneously, to explain buoyancy effect factor in all directions, demonstrating visual, easy to operate, teaching efficiency is good; Meanwhile, dividing plate is provided with scale mark, is convenient to observe the impact of each buoyant spheres on liquid storage indoor liquid; Meanwhile, in buoyant spheres 6, the capacity of injection liquid is controlled by addition funnel 7, is convenient to progressively liquid feeding, and change process with dynamic demonstration buoyancy size, teaching efficiency is good.
With further reference to Fig. 1, bottom described each buoyant spheres 6, be connected in the dynamometer 14 of casing 1 inner bottom part by connecting line 13, be convenient to display buoyancy size, and then intuitivism apprehension buoyancy; Described dynamometer 14 is electronic dynamometer or weight beam.
With further reference to Fig. 1, described casing 1 outer bottom being evenly provided with four can braking universal wheel 15, is convenient to flexible mobile box.
With further reference to Fig. 1, the corresponding partition position place of described casing 1 lateral surface is provided with a moveable magnifier 16, described magnifier 16 is adsorbed on casing 1 lateral surface by sucker 17, is convenient to utilize magnifier 16 to observe reading on the scale mark 11 of dividing plate 3 and dynamometer 14 more accurately.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. physics teaching the law of buoyancy apparatus for demonstrating, comprise transparent cabinet and case lid, dividing plate is utilized all to separate three fluid reservoirs arranged side by side in described casing, described dividing plate is provided with scale mark, a liquid of equivalent is injected with from left to right successively in four fluid reservoirs, No. two liquid, No. two liquid, No. two liquid, a described liquid is different from No. two fluid densities, on described case lid, corresponding each fluid reservoir all runs through and arranges through hole, a hollow buoyant spheres with filling opening is all placed with in described fluid reservoir, one is all threaded with the addition funnel of scale mark in described through hole, described addition funnel is provided with operation valve, add successively from left to right in described addition funnel and have an injection liquid, an injection liquid, an injection liquid, No. two injection liquids, a described injection liquid is different from No. two injection liquid density.
2. physics teaching the law of buoyancy apparatus for demonstrating according to claim 1, be is characterized in that: the dynamometer being connected in casing inner bottom part bottom described each buoyant spheres by connecting line.
3. physics teaching the law of buoyancy apparatus for demonstrating according to claim 2, is characterized in that: described casing outer bottom being evenly provided with four can braking universal wheel.
4. physics teaching the law of buoyancy apparatus for demonstrating according to claim 3, is characterized in that: the corresponding partition position place of described casing lateral surface is provided with a moveable magnifier.
5. physics teaching the law of buoyancy apparatus for demonstrating according to claim 4, is characterized in that: described magnifier by sucker suction on casing lateral surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520224549.9U CN204537570U (en) | 2015-04-15 | 2015-04-15 | Physics teaching the law of buoyancy apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520224549.9U CN204537570U (en) | 2015-04-15 | 2015-04-15 | Physics teaching the law of buoyancy apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204537570U true CN204537570U (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520224549.9U Expired - Fee Related CN204537570U (en) | 2015-04-15 | 2015-04-15 | Physics teaching the law of buoyancy apparatus for demonstrating |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106097846A (en) * | 2016-08-31 | 2016-11-09 | 朱泽德 | A kind of liquid buoyancy demonstrating device |
| CN107123346A (en) * | 2017-06-08 | 2017-09-01 | 杨露萍 | A kind of physics teaching fluid density and the demonstration teaching aid of buoyancy relation |
| CN111161602A (en) * | 2020-01-14 | 2020-05-15 | 南京中视联教育科学技术研究中心 | Multi-mode interference teaching buoyancy demonstrator |
| CN111442665A (en) * | 2020-04-26 | 2020-07-24 | 浙江大学 | Comprehensive test platform of temperature difference energy driven underwater monitoring equipment |
-
2015
- 2015-04-15 CN CN201520224549.9U patent/CN204537570U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106097846A (en) * | 2016-08-31 | 2016-11-09 | 朱泽德 | A kind of liquid buoyancy demonstrating device |
| CN107123346A (en) * | 2017-06-08 | 2017-09-01 | 杨露萍 | A kind of physics teaching fluid density and the demonstration teaching aid of buoyancy relation |
| CN111161602A (en) * | 2020-01-14 | 2020-05-15 | 南京中视联教育科学技术研究中心 | Multi-mode interference teaching buoyancy demonstrator |
| CN111161602B (en) * | 2020-01-14 | 2022-09-13 | 安徽春月科教设备有限公司 | Multi-mode interference teaching buoyancy demonstrator |
| CN111442665A (en) * | 2020-04-26 | 2020-07-24 | 浙江大学 | Comprehensive test platform of temperature difference energy driven underwater monitoring equipment |
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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: 20150805 Termination date: 20160415 |
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| CF01 | Termination of patent right due to non-payment of annual fee |