CN206639474U - Buoyancy experiment instructional device - Google Patents
Buoyancy experiment instructional device Download PDFInfo
- Publication number
- CN206639474U CN206639474U CN201720359358.2U CN201720359358U CN206639474U CN 206639474 U CN206639474 U CN 206639474U CN 201720359358 U CN201720359358 U CN 201720359358U CN 206639474 U CN206639474 U CN 206639474U
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- CN
- China
- Prior art keywords
- support bar
- column
- sliding sleeve
- electronic scale
- buoyancy
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- 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
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Abstract
A kind of buoyancy experiment instructional device, including base, column, tank, support bar and electronic scale, the middle part of base sets a column, one electronic scale is respectively set positioned at the both sides of column on base, a tank is placed on each electronic scale respectively, the upper end of column, which is oriented to slide, sets a sliding sleeve, sliding sleeve is provided with the goat's horn bolt for puller column, the outside of sliding sleeve is installed by one support bar, the both ends of support bar, which are respectively slided, sets a sliding block, a guide sleeve is fixed on the outside of sliding block, a vertically arranged pull bar in guide sleeve, the lateral wall of guide sleeve is provided with the bolt for being used for holding out against pull bar, the lower end of pull bar mounts a dynamometer, the lower end of dynamometer mounts a weight, overcome existing experimental provision deficiency troublesome in poeration, and multiple checkings about buoyancy formula can be carried out.
Description
Technical field：
A kind of physical teaching aid is the utility model is related to, specially a kind of buoyancy experiment instructional device.
Background technology：
The law of buoyancy of object, also known as Archimedes' principle, it is a very important law physically.In physics
In teaching, teacher typically can teach teaching by the experiment of buoyancy, generally directed to the buoyancy under the liquid case of different densities
Many experiments are carried out using a tank and weight, or tested using multiple tanks with weight；Determine simultaneously in checking buoyancy
, it is necessary to which multiple steps could be completed during rule, repeatedly measurement and record experimental data are also required in experimentation, and by calculating
It is able to verify that the law of buoyancy so that experimentation becomes complicated；Teaching efficiency is poor.
Utility model content：
The purpose of this utility model be in order to overcome above-mentioned the shortcomings of the prior art in place of, and it is real to provide a kind of buoyancy
Instructional device is tested, overcomes existing experimental provision deficiency troublesome in poeration, and multiple checkings about buoyancy relation can be carried out.
In order to solve the problems existing in background technology, the utility model adopts the following technical scheme that：A kind of buoyancy experiment
Instructional device, including base, column, tank, support bar and electronic scale, the middle part of base set a column, are located on base vertical
The both sides of post respectively set an electronic scale, place a tank on each electronic scale respectively, and the upper end of column, which is oriented to slide, sets a sliding sleeve,
Sliding sleeve is provided with the goat's horn bolt for puller column, and a support bar is installed in the outside of sliding sleeve, and the both ends of support bar, which are respectively slided, to be set
A sliding block is put, fixes a guide sleeve on the outside of sliding block, a vertically arranged pull bar in guide sleeve, the lateral wall of guide sleeve is provided with
For holding out against the bolt of pull bar, the lower end of pull bar mounts a dynamometer, and the lower end of dynamometer mounts a weight.
For the support bar by hinge in the outside of sliding sleeve, support bar is provided with graduation mark, is located at support on sliding sleeve
The horizontally hinged latch segment in upper end of bar, the cross section of the latch segment is in concave, and concave latch segment is away from opening
The side at end on sliding sleeve, and can be swung up and down by hinge along the bearing pin, when the openend of concave latch segment
When located directly below, support bar is in horizontal locking-in state.
The solution of different densities is respectively equipped with two tanks.
The beneficial effects of the utility model are：
（1）The utility model can study the size of buoyancy and the relation of immersion depth, loose bolts, move up and down push-and-pull
Bar, weight can be made to be located at the diverse location of solution, and experimental data is intuitively shown by dynamometer；
（2）The utility model is provided with the solution without density in two tanks, can be by loosening goat's horn bolt simultaneously
The weight on support bar is moved down, reads the numerical value on two demonstration dynamometers, and then the size and solution of buoyancy can be drawn
Density it is relevant；Contrast test is provided, it is not only simple to operate and visual good；
（3）The utility model by electronic scale can intuitively show the size of buoyancy and weight arrange liquid gravity it is big
Small relation, and can intuitively read the size of buoyancy.
（4）The checking of lever principle can also be carried out by the utility model；During experiment, latch segment is flipped up, makes branch
Strut is active, and then moves the sliding block at support bar both ends, and then can verify the size of two power on support bar
The arm of force with them is inversely proportional.
Brief description of the drawings：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is Fig. 1 k direction views.
In figure：1. latch segment, 2. columns, 3. sliding sleeves, 4. pull bars, 5. support bars, 6. dynamometers, 7. weights, 8. tanks,
9. electronic scale, 10. bases, 11. sliding blocks, 12. guide sleeves.
Embodiment：
Reference picture 1-2, a kind of buoyancy experiment instructional device, including base 10, column 2, tank 8, support bar 5 and electronic scale
9, the middle part of base 10 sets a column 2, divides on base 10 on one electronic scale 9 of each setting in the both sides of column, each electronic scale 9
A tank 8 is not placed, and the upper end of column 2, which is oriented to slide, sets a sliding sleeve 3, and sliding sleeve 3 is provided with the goat's horn spiral shell for puller column 2
A support bar 5 is installed in bolt, the outside of sliding sleeve 3, and the both ends of support bar 5, which are respectively slided, sets a sliding block 11, and the outside of sliding block 11 is fixed
One guide sleeve 12, a vertically arranged pull bar 4 in guide sleeve 12, the lateral wall of guide sleeve, which is provided with, to be used to hold out against pull bar 4
Bolt, the lower end of pull bar 4 mount a dynamometer 6, and the lower end of dynamometer mounts a weight 7.The utility model passes through electronic scale 9
Can intuitively show the size of buoyancy and weight 7 arrange liquid gravity size relation, and can intuitively read buoyancy
Size, the value added of weight registration is equal to the reduced value of gravity registration on dynamometer 6 on electronic scale 7, twice electronic scale registration
Difference is the size of weight buoyancy, and as weight arranges the weight of liquid.
The utility model can study the size of buoyancy and the relation of immersion depth, loose bolts, move up and down pull bar
4, weight 7 can be made to be located at the diverse location of solution, and experimental data is intuitively shown by dynamometer 6；
The solution of different densities is respectively equipped with two tanks 8, the utility model is provided with two tanks 8 does not have to density
Solution, by loosening goat's horn bolt, can move down simultaneously the weight on support bar 5, read two demonstration dynamometers 6 on number
Value, and then can show that the size of buoyancy is relevant with the density of solution；Contrast test is provided, it is not only simple to operate and visual
It is good.
For the support bar 5 by hinge in the outside of sliding sleeve 3, support bar 5 is provided with graduation mark, is located on sliding sleeve 3
The horizontally hinged latch segment 1 in upper end of support bar 5, the cross section of the latch segment 1 is in concave, and concave latch segment is remote
From openend side by hinge on sliding sleeve 3, and can be swung up and down along the bearing pin, when concave latch segment 1
Openend it is located directly below when, support bar 5 is in horizontal locking-in state.
The checking of lever principle can also be carried out by the utility model；During experiment, latch segment is flipped up, makes support bar
It is active, then moves the sliding block at support bar both ends, and then the size of two power on support bar can be verified with it
The arm of force be inversely proportional.The size of the arm of force can be read from the graduation mark on support bar 5, the size of two power on support bar 5
It can be read by the registration of dynamometer or electronic scale 9.
Claims (3)
1. a kind of buoyancy experiment instructional device, including base（10）, column（2）, tank（8）, support bar（5）And electronic scale（9）,
It is characterized in that：Base（10）Middle part set a column（2）, base（10）It is upper that positioned at the both sides of column, one electronic scale is respectively set
（9）, each electronic scale（9）It is upper to place a tank respectively（8）, column（2）Upper end be oriented to slide set a sliding sleeve（3）, sliding sleeve（3）
It is provided with and is used for puller column（2）Goat's horn bolt, sliding sleeve（3）Outside install a support bar（5）, support bar（5）Both ends
Each slide sets a sliding block（11）, sliding block（11）Outside fix a guide sleeve（12）, guide sleeve（12）Interior vertically arranged one pushes away
Pull bar（4）, the lateral wall of guide sleeve, which is provided with, to be used to hold out against pull bar（4）Bolt, pull bar（4）Lower end mount a dynamometry
Meter（6）, the lower end of dynamometer mounts a weight（7）.
2. buoyancy experiment instructional device according to claim 1, it is characterised in that：The support bar（5）Cut with scissors by bearing pin
It is connected on sliding sleeve（3）Outside, support bar（5）It is provided with graduation mark, sliding sleeve（3）It is upper to be located at support bar（5）Upper end it is horizontally hinged
One latch segment（1）, the latch segment（1）Cross section be in concave, side of the concave latch segment away from openend leads to
Hinge is crossed in sliding sleeve（3）On, and can be swung up and down along the bearing pin, when concave latch segment（1）Openend be located at
During underface, support bar（5）In horizontal locking-in state.
3. buoyancy experiment instructional device according to claim 1, it is characterised in that：Two tanks（8）Inside it is respectively equipped with difference
The solution of density.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720359358.2U CN206639474U (en) | 2017-04-07 | 2017-04-07 | Buoyancy experiment instructional device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720359358.2U CN206639474U (en) | 2017-04-07 | 2017-04-07 | Buoyancy experiment instructional device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206639474U true CN206639474U (en) | 2017-11-14 |
Family
ID=60247762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720359358.2U Expired - Fee Related CN206639474U (en) | 2017-04-07 | 2017-04-07 | Buoyancy experiment instructional device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206639474U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107871426A (en) * | 2017-12-20 | 2018-04-03 | 黎桢宇 | A kind of senior middle school physics teaching experiment buoyancy demonstrating device |
| CN108205951A (en) * | 2017-12-29 | 2018-06-26 | 佛山杰致信息科技有限公司 | A kind of quick demonstrator of Archimedes' principle |
| CN110942701A (en) * | 2019-12-19 | 2020-03-31 | 贠德红 | Experimental apparatus is measured to primary school's science buoyancy |
-
2017
- 2017-04-07 CN CN201720359358.2U patent/CN206639474U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107871426A (en) * | 2017-12-20 | 2018-04-03 | 黎桢宇 | A kind of senior middle school physics teaching experiment buoyancy demonstrating device |
| CN108205951A (en) * | 2017-12-29 | 2018-06-26 | 佛山杰致信息科技有限公司 | A kind of quick demonstrator of Archimedes' principle |
| CN110942701A (en) * | 2019-12-19 | 2020-03-31 | 贠德红 | Experimental apparatus is measured to primary school's science buoyancy |
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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 |
Granted publication date: 20171114 Termination date: 20180407 |
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| CF01 | Termination of patent right due to non-payment of annual fee |