CN206388404U - A kind of liquids and gases buoyancy demonstrating device - Google Patents
A kind of liquids and gases buoyancy demonstrating device Download PDFInfo
- Publication number
- CN206388404U CN206388404U CN201621369510.7U CN201621369510U CN206388404U CN 206388404 U CN206388404 U CN 206388404U CN 201621369510 U CN201621369510 U CN 201621369510U CN 206388404 U CN206388404 U CN 206388404U
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- CN
- China
- Prior art keywords
- buoyancy
- roller
- container
- support arm
- liquids
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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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- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
A kind of liquids and gases buoyancy demonstrating device, including buoyancy demonstration container, base, air extractor and support meanss, the inner lower of described buoyancy demonstration container are provided with roller III provided with fixing rod I I, described fixing rod I I；The side of described buoyancy demonstration container is provided with air extractor, and the opposite side of described buoyancy demonstration container is provided with support meanss；Described support meanss include support bar, supporting plate, cross bar and support arm, and the top of described support bar is provided with support arm, and the side of described support arm is provided with roller I, and the opposite side of described support arm is provided with roller IV；The downside of described support arm is provided with supporting plate, and described supporting plate is provided with motor, and the bottom of described support bar is provided with cross bar, and one end of described cross bar is provided with roller II；Described floating block is connected by pull rope with weight beam.The utility model can carry out buoyancy demonstration experiment automatically, can carry out liquid buoyancy demonstration and gas buoyancy demonstration, and experimental phenomena is directly perceived.
Description
Technical field
The utility model is related to Physical Experiment field, more particularly to a kind of liquids and gases buoyancy demonstrating device.
Background technology
Law of buoyancy is also known as Archimedes principle, and it must soak object in a liquid by upward buoyancy to refer to, buoyancy
Size arranges the gravity suffered by liquid equal to object.The principle is applicable not only to liquid, is also applied for gas.During buoyancy experiment is
The common experiment of physics is learned, law of buoyancy can intuitively be understood by buoyancy experiment.Existing buoyancy demonstration experimental provision does not have
There is the structure to form system, and liquid or a kind of buoyancy demonstration experiment of gas can only be carried out.
Utility model content
The utility model is to overcome the deficiencies in the prior art there is provided a kind of liquids and gases buoyancy demonstrating device, can be with
Automatic to carry out buoyancy demonstration experiment, can carry out liquid buoyancy demonstration can also carry out buoyant gas demonstration, and experimental phenomena is directly perceived.
A kind of liquids and gases buoyancy demonstrating device, including floating block, buoyancy demonstration container, base, air extractor and support
Device, described buoyancy demonstration container, air extractor and support meanss are on base；Described floating block holds located at buoyancy demonstration
Inside device, the top of described buoyancy demonstration container is provided with water inlet, and described water inlet is provided with sealing-plug I, and described is floating
The bottom of power Presentation Container is provided with delivery port, and described delivery port is provided with sealing-plug II；Described buoyancy demonstration container it is interior
Subordinate side is provided with roller III provided with fixing rod I I, described fixing rod I I.
The side of described buoyancy demonstration container is provided with air extractor, and the opposite side of described buoyancy demonstration container is provided with branch
Support arrangement；Described support meanss include support bar, supporting plate, cross bar and support arm, and the top of described support bar is provided with branch
Brace, the side of described support arm is provided with roller I, and the opposite side of described support arm is provided with roller IV；Described support arm
Downside be provided with supporting plate, described supporting plate is provided with motor, and described motor driving roller IV is rotated；Described support bar
Bottom be provided with cross bar, one end of described cross bar is provided with roller II；Described floating block is connected by pull rope and weight beam
Connect.
One end of described weight beam is connected by pull rope with floating block, the pull rope warp being connected with floating block
Cross roller II and roller III；The other end connection pull rope of described weight beam, described pull rope by roller I around
On roller IV.
One end of described support arm is vertically provided with fixing rod I, and described fixing rod I passes through roller I；Described support arm
The other end be provided with roller shaft, described roller shaft passes through support arm, and described roller shaft is provided with roller IV, described roller
Axle passes through shaft coupling and motor connection.
Described support bar is transmitted through supporting plate, is to be threadedly coupled between described support bar and supporting plate.
Described air extractor includes piston, pump bowl and air exhaust head, and described buoyancy demonstration container is provided with aperture I,
In the aperture I of described air exhaust head insertion buoyancy demonstration container, sealing ring is provided between described air exhaust head and aperture I.
Described buoyancy demonstration container provided with aperture II, described pull rope through aperture II, described pull rope with
Sealing ring is provided between aperture II.
The top of described buoyancy demonstration container is provided with top cover, and described water inlet is on top cover.
The bottom of described base is provided with recovery water receptacle.
The beneficial effects of the utility model：
(1) automatic progress buoyancy demonstration experiment can be realized by the rotation of motor powered roller；
(2) can carry out liquid buoyancy demonstration can also carry out buoyant gas demonstration, and experimental phenomena is directly perceived；
(2) water is transferred in special container after testing, facilitates secondary utilization.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is that the utility model support arm connects top view；
Fig. 3 is that the utility model supporting plate is connected top view with support bar；
Fig. 4 is the utility model buoyancy demonstration container inner structure top view；
Wherein, 1- bases, 2- buoyancy demonstration containers, 3- sealing-plugs I, 4- top cover, 5- floating blocks, 6- rollers I, 7- support arm,
8- motors, 9- supporting plates, 10- weight beams, 11- support bars, 12- rollers II, 13- cross bar, 14- pull ropes, 15- rollers
III, 16- sealing-plug II, 17- reclaim water receptacle, and 18- rollers IV, 19- roller shaft, 20- shaft couplings, 21- fixing rod Is, 22- is solid
Fixed pole II, 23- air extractor.
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of liquids and gases buoyancy demonstrating device, including floating block 5, buoyancy demonstration container 2, base 1, take out
Device of air 23 and support meanss, described buoyancy demonstration container 2, air extractor 23 and support meanss are on base 1；Described
Floating block 5 is inside buoyancy demonstration container 2, and the top of described buoyancy demonstration container 2 is provided with water inlet, described water inlet
Provided with sealing-plug I3, the bottom of described buoyancy demonstration container 2 is provided with delivery port, and described delivery port is provided with sealing-plug
II16；As shown in figure 4, the inner lower of described buoyancy demonstration container 2 is provided with fixing rod I I22, described fixing rod I I22
Provided with roller III15.
The side of described buoyancy demonstration container 2 is provided with air extractor 23, and the opposite side of described buoyancy demonstration container 2 is set
There are support meanss；Described support meanss include support bar 11, supporting plate 9, cross bar 13 and support arm, described support bar 11
Top is provided with support arm 7, and the side of described support arm 7 is provided with roller I6, and the opposite side of described support arm 7 is provided with roller
IV18；The downside of described support arm 7 is provided with supporting plate 9, and described supporting plate 9 is provided with motor 8, and described motor 8 drives
Roller IV18 is rotated；The bottom of described support bar 11 is provided with cross bar 13, and one end of described cross bar 13 is provided with roller II12；Institute
The floating block 5 stated is connected by pull rope 14 with weight beam 10.
One end of described weight beam 10 is connected by pull rope 14 with floating block 5, described with leading that floating block 5 is connected
Messenger 14 passes through roller II12 and roller III15；The other end connection pull rope 14 of described weight beam 10, described leads
Messenger 14 is wound on roller IV18 by roller I6.
As shown in Fig. 2 one end of described support arm 7 is vertically provided with fixing rod I 21, described fixing rod I 21 passes through rolling
Take turns I6；The other end of described support arm 7 is provided with roller shaft 19, and described roller shaft 19 passes through support arm 7, described roller shaft
19 are provided with roller IV18, and described roller shaft 19 is connected by shaft coupling 20 with motor 8.
As shown in figure 3, described support bar 11 is transmitted through supporting plate 9, it is screw thread between described support bar 11 and supporting plate 9
Connection.
Described air extractor 23 includes piston, pump bowl and air exhaust head, and described buoyancy demonstration container 2 is provided with aperture
I, described air exhaust head is inserted in the aperture I of buoyancy demonstration container, and sealing ring is provided between described air exhaust head and aperture I, is prevented
Only leak or gas leakage in experimentation.
Described buoyancy demonstration container 2 passes through aperture II, described pull rope provided with aperture II, described pull rope 14
Sealing ring is provided between 14 and aperture II, leak or gas leakage in experimentation is prevented.
The top of described buoyancy demonstration container 2 be provided with top cover 4, by open top cover 4 by floating block put into buoyancy demonstration hold
In device 2, described water inlet is on top cover 4.
After experiment terminates, sealing-plug II16 is pulled out, water is flowed into back provided with water receptacle 17 is reclaimed in the bottom of described base 1
Utilized in water collector 17 so as to secondary.
Liquid buoyancy experiment operation principle be：
Experimental provision is installed as shown in Figure 1, motor 8 is opened, pull rope 14 can be wrapped on roller IV18, roller I6, rolling
Wheel II12, roller III15 play guide effect, so that pull floating block 5 to be immersed in the water it, between being completely immersed in water, bullet
The numerical value shown on spring dynamometer 10 can become big gradually, after floating block 5 is completely immersed in water, and floating block 5 continues to decline, spring dynamometry
The numerical value shown on meter 10 no longer changes, that is, the buoyancy measured.
The operation principle of Gas buoyancy force experiment is：It will be evacuated using air extractor 23 in buoyancy demonstration container 2, spring
The numerical value shown on dynamometer 10 is buoyancy value.
It is not new to this practicality although above-mentioned embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not pay the various modifications that creative work can make or deform still in protection model of the present utility model
Within enclosing.
Claims (8)
1. a kind of liquids and gases buoyancy demonstrating device, it is characterised in that including floating block, buoyancy demonstration container, base, pumping dress
Put and support meanss, described buoyancy demonstration container, air extractor and support meanss are on base；Described floating block is located at floating
Inside power Presentation Container, the top of described buoyancy demonstration container is provided with water inlet, and described water inlet is provided with sealing-plug I,
The bottom of described buoyancy demonstration container is provided with delivery port, and described delivery port is provided with sealing-plug II；Described buoyancy demonstration
The inner lower of container is provided with roller III provided with fixing rod I I, described fixing rod I I；
The side of described buoyancy demonstration container is provided with air extractor, and the opposite side of described buoyancy demonstration container is filled provided with support
Put；Described support meanss include support bar, supporting plate, cross bar and support arm, and the top of described support bar is provided with support arm,
The side of described support arm is provided with roller IV provided with roller I, the opposite side of described support arm；The downside of described support arm
Provided with supporting plate, described supporting plate is provided with motor, and described motor driving roller IV is rotated；The bottom of described support bar
Provided with cross bar, one end of described cross bar is provided with roller II；Described floating block is connected by pull rope with weight beam.
2. a kind of liquids and gases buoyancy demonstrating device as claimed in claim 1, one end of described weight beam passes through
Pull rope is connected with floating block, and the pull rope being connected with floating block passes through roller II and roller III；Described weight beam
Other end connection pull rope, described pull rope is wound on roller IV by roller I.
3. a kind of liquids and gases buoyancy demonstrating device as claimed in claim 1, it is characterised in that the one of described support arm
End is vertically provided with fixing rod I, and described fixing rod I passes through roller I；The other end of described support arm is provided with roller shaft, described
Roller shaft pass through support arm, described roller shaft is provided with roller IV, and described roller shaft passes through shaft coupling and motor connection.
4. a kind of liquids and gases buoyancy demonstrating device as claimed in claim 1, it is characterised in that described support bar is transmitted through
Supporting plate, is to be threadedly coupled between described support bar and supporting plate.
5. a kind of liquids and gases buoyancy demonstrating device as claimed in claim 1, it is characterised in that described air extractor bag
Piston, pump bowl and air exhaust head are included, described buoyancy demonstration container is provided with aperture I, described air exhaust head insertion buoyancy demonstration
In the aperture I of container, sealing ring is provided between described air exhaust head and aperture I.
6. a kind of liquids and gases buoyancy demonstrating device as claimed in claim 2, it is characterised in that described buoyancy demonstration holds
Device passes through aperture II, sealing ring is provided between described pull rope and aperture II provided with aperture II, described pull rope.
7. a kind of liquids and gases buoyancy demonstrating device as claimed in claim 1, it is characterised in that described buoyancy demonstration holds
The top of device is provided with top cover, and described water inlet is on top cover.
8. a kind of liquids and gases buoyancy demonstrating device as claimed in claim 1, it is characterised in that the bottom of described base
Provided with recovery water receptacle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621369510.7U CN206388404U (en) | 2016-12-14 | 2016-12-14 | A kind of liquids and gases buoyancy demonstrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621369510.7U CN206388404U (en) | 2016-12-14 | 2016-12-14 | A kind of liquids and gases buoyancy demonstrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206388404U true CN206388404U (en) | 2017-08-08 |
Family
ID=59487950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621369510.7U Expired - Fee Related CN206388404U (en) | 2016-12-14 | 2016-12-14 | A kind of liquids and gases buoyancy demonstrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206388404U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109410716A (en) * | 2018-11-22 | 2019-03-01 | 刘美伊 | A kind of physics floating force experimental provision for facilitating student and understanding with memory |
-
2016
- 2016-12-14 CN CN201621369510.7U patent/CN206388404U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109410716A (en) * | 2018-11-22 | 2019-03-01 | 刘美伊 | A kind of physics floating force experimental provision for facilitating student and understanding with memory |
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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: 20170808 Termination date: 20171214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |