CN206541511U - A kind of buoyancy of Physical Experiment determines device - Google Patents
A kind of buoyancy of Physical Experiment determines device Download PDFInfo
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- CN206541511U CN206541511U CN201720153706.0U CN201720153706U CN206541511U CN 206541511 U CN206541511 U CN 206541511U CN 201720153706 U CN201720153706 U CN 201720153706U CN 206541511 U CN206541511 U CN 206541511U
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Abstract
Device is determined the utility model discloses a kind of buoyancy of Physical Experiment, belongs to physics facility technical field, device includes being used for the container for filling liquid, the weight beam being connected with body to be measured, it is important to：Described device is also fixedly connected to form the lifting hoisting mechanism for body to be measured including the montant with base, the connecting line being fixed on the horizon bar of montant upper end, the reel being erected on horizon bar, reel after the fixed pulley being fixed on horizon bar with the upper end of weight beam.In measurement process, student is without portable weight beam again, only need to rotation reel and connecting line is put into appropriate length, then reel is fixed, the reading again after weight beam is static, after being measured, connecting line is returned and twined onto reel, the accuracy of measurement data is improved, it is simple in construction, it is easy to operate.
Description
Technical field
The utility model belongs to physics facility technical field, and the buoyancy for being related to a kind of Physical Experiment determines dress
Put.
Background technology
Buoyancy is the important content of middle school physical curriculum, but this partial content is more abstract, teacher in teaching process only
Beyond expression of words clear with language, student is not easy to understand, it is therefore desirable to which virtue of buoyancy determines device and carries out aided education.It is existing
Physical Experiment is in measurement body to be measured buoyancy suffered in different liquids, and conventional has two methods：1. weight method：First
Thing body to be measured is hung on the hook of weight beam, and the gravity (G) that body to be measured is subject to is measured in atmosphere, spring dynamometry is then used
Meter weighs up the weight (F) when in body immersion liquid to be measured, then the buoyancy F that body to be measured is subject in the liquidIt is floating=G-F；2. formula
Method：First thing body to be measured is hung on the hook of weight beam, the gravity (G) that body to be measured is subject to is measured in atmosphere, then will
In body immersion liquid to be measured, the liquid volume (V arranged by body to be measured is measuredRow), then what body to be measured was subject in the liquid floats
Power FIt is floating=ρ gVRow.In measurement process more than, student needs portable weight beam to carry out reading, because hand easily shakes
It is dynamic, thus during reading weight beam can not remains stationary, the accuracy of reading can be influenceed.
The content of the invention
The utility model is in order to overcome the defect of prior art, and the buoyancy for devising a kind of Physical Experiment determines device,
In measurement process, student without portable weight beam again, can after weight beam is static reading again, improve measurement
The accuracy of data, it is simple in construction, it is easy to operate.
The concrete technical scheme that the utility model is taken is：A kind of buoyancy measure device of Physical Experiment, including with
Container in dress liquid, the weight beam being connected with body to be measured, it is important to：Described device also includes perpendicular with base
Connecting line on bar, the horizon bar for being fixed on montant upper end, the reel being erected on horizon bar, reel is by being fixed on water
The lifting hoisting mechanism for body to be measured is fixedly connected to form with the upper end of weight beam after fixed pulley on flat bar.
There is the rotating disk being coaxially disposed with montant described base upper surface, and rotating disk is matched somebody with somebody with montant and base formation rotation simultaneously
Close and be along the circumferential direction fixed with least two containers on rotating disk.
Described montant includes the lower fix bar, rotating bar, the upper connecting rod being fixed on the outside of rotating bar being coaxially disposed, and turns
The formation of the lower end of lever and lower fix bar is rotatably assorted, upper end is fixed with handwheel, and horizon bar is fixedly connected with upper connecting rod.
One group of lower positioning sleeve along the circumferential direction uniformly arranged is fixed with described lower fix bar outer wall, lower positioning sleeve
Quantity is equal with the quantity of container and corresponds and sets, and is fixed with positioning sleeve on upper connecting rod outer wall, lower positioning sleeve and upper
Positioning sleeve fixes the locking mechanism be formed as between lower fix bar and upper connecting rod by lock clasp.
Described disk edge, which is provided with positioning edge protruding upward, makes the cavity of rotating disk and positioning between be formed as liquid
Body holding tank and positioning graduation mark is provided with along along inwall.
Be provided with described center of turntable it is protruding upward and with the integrally formed sleeve pipe of rotating disk, lower fix bar be located at sleeve pipe
Interior, the upper surface of sleeve pipe is flushed or the top positioned at positioning along upper surface with positioning along upper surface.
The inverted cone that described body to be measured includes cylinder, is fixedly connected with cylinder lower surface, cone
Maximum gauge is equal with the diameter of cylinder.
The beneficial effects of the utility model are：In measurement process, student is without portable weight beam again, it is only necessary to turn
Connecting line is put into appropriate length by dynamic reel, then fixes reel, the reading again after weight beam is static,
After being measured, connecting line is returned and twined onto reel, the accuracy of measurement data, simple in construction, operation side is improved
Just.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In accompanying drawing, 1 represents container, and 2 represent weight beam, and 3 represent base, and 4 represent horizon bar, and 5 represent reel, 6
Connecting line is represented, 7 represent fixed pulley, and 8 represent rotating disk, and 9 represent lower fix bar, and 10 represent rotating bar, and 11 represent upper connecting rod, 12
Handwheel is represented, 13 represent lower positioning sleeve, and 14 represent upper positioning sleeve, and 15 represent bearing pin, and 16 represent positioning edge, and 17 represent sleeve pipe, 18
Represent body to be measured.
Embodiment
The utility model is elaborated with specific embodiment below in conjunction with the accompanying drawings：
Specific embodiment, as shown in figure 1, a kind of buoyancy of Physical Experiment determines device, including for filling the appearance of liquid
Device 1, the weight beam 2 being connected with body 18 to be measured, in addition to the montant with base 3, the horizon bar for being fixed on montant upper end
4th, the connecting line 6 being erected on the reel 5 on horizon bar 4, reel 5 after the fixed pulley 7 being fixed on horizon bar 4 with
The upper end of weight beam 2 is fixedly connected to form as the lifting hoisting mechanism of body 18 to be measured.In measurement process, student is without hand again
Carry weight beam 2, it is only necessary to rotate reel 5 and connecting line 6 is put into appropriate length, then fix reel 5 i.e.
Can, the reading again after weight beam 2 is static after being measured, connecting line is twined onto reel 5 for 6 times, survey is improved
The accuracy of data is measured, it is simple in construction, it is easy to operate.It can be fixed during fixed reel 5 with Manual press, can also be in reel
Locating piece is inserted between 5 and horizon bar 4 prevents reel 5 from rotating.
As to further improvement of the utility model, there are the rotating disk 8 being coaxially disposed with montant, rotating disk 8 in the upper surface of base 3
Formed simultaneously with montant and base 3 and be rotatably assorted and be along the circumferential direction fixed with rotating disk 8 at least two containers 1, each container 1
Interior filled liquid is different from, by the position for changing rotating disk 8, you can will be equipped with different liquids container 1 turn to it is to be measured
The lower section of body 18, measures body 18 to be measured buoyancy suffered in different liquids, simple in construction, easy to operate.
Montant includes the lower fix bar 9, rotating bar 10, the upper connecting rod 11 for being fixed on the outside of rotating bar 10 being coaxially disposed,
The formation of the lower end of rotating bar 10 and lower fix bar 9 is rotatably assorted, upper end is fixed with handwheel 12, and horizon bar 4 is consolidated with upper connecting rod 11
Fixed connection.When needing to measure body 18 to be measured buoyancy size suffered in different liquids, rotating disk 8 can be both rotated, be will be equipped with
The container 1 of required liquid turns to the lower section of body 18 to be measured, can also directly rotate upper connecting rod 11, body 18 to be measured is turned into dress
There is the top of container 1 of required liquid, more facilitate, and compared with rotating rotating disk 8, will not be to container during rotation upper connecting rod 11
1 produces any influence, and the liquid in container 1 can be avoided to be spilt because rocking.In order to improve the overall fastness of device and steady
It is qualitative, the support bar being obliquely installed is fixed between horizon bar 4 and upper connecting rod 11.Between lower fix bar 9 and rotating bar 10
Bearing is provided with, it is more flexibly laborsaving during rotation.
One group of lower positioning sleeve 13 along the circumferential direction uniformly arranged is fixed with the lower outer wall of fix bar 9, lower positioning sleeve 13
Quantity is equal with the quantity of container 1 and one-to-one corresponding is set, and positioning sleeve 14, lower positioning sleeve are fixed with the outer wall of upper connecting rod 11
13 and upper positioning sleeve 14 be locked by bearing pin 15 locking mechanism be formed as between lower fix bar 9 and upper connecting rod 11, prevent
Only in measurement process, because upper connecting rod 11 is rocked and influences the accuracy of measurement data.
As to further improvement of the utility model, the edge of rotating disk 8 is provided with positioning protruding upward makes rotating disk 8 along 16
Be formed as liquid containing groove along the cavity between 16 with positioning and position to be provided with graduation mark along along 16 inwalls.So that the device was both
Buoyancy can be measured using weight method, it would however also be possible to employ equation measures buoyancy, expands the scope of application of the device.In order to just
In the discharge of liquid, offered in positioning along along 16 and sealing-plug is provided with floss hole, floss hole, will arranged with sealing-plug during measurement
Put mouth to block, remove sealing-plug during discharging liquid.
The center of rotating disk 8 be provided with it is protruding upward and with the integrally formed sleeve pipe of rotating disk 8 17, lower fix bar 9 be located at sleeve pipe
In 17, the upper surface of sleeve pipe 17 is flushed or the top positioned at positioning along 16 upper surfaces with positioning along 16 upper surfaces, prevents liquid from entering
Enter in the gap between lower fix bar 9 and rotating disk 8, the accuracy of measurement data can be improved.
As to further improvement of the utility model, body 18 to be measured includes cylinder, fixes company with cylinder lower surface
The inverted cone connect, the maximum gauge of cone is equal with the diameter of cylinder.Available for observing the volume of body 18 to be measured not
The change procedure of buoyancy, more vivid when regular, it is easy to understands.
Claims (7)
1. the buoyancy of Physical Experiment a kind of determines device, including for filling the container (1) of liquid, be connected with body to be measured (18)
Weight beam (2), it is characterised in that：Described device also includes the montant with base (3), is fixed on the water of montant upper end
Connecting line (6) on flat bar (4), the reel (5) being erected on horizon bar (4), reel (5) is by being fixed on horizon bar
(4) fixed pulley (7) on is fixedly connected to form as the lifting hoisting machine of body to be measured (18) with the upper end of weight beam (2) afterwards
Structure.
2. a kind of buoyancy of Physical Experiment according to claim 1 determines device, it is characterised in that：Described base
(3) there are the rotating disk (8) being coaxially disposed with montant, rotating disk (8) in upper surface while being rotatably assorted and turning with montant and base (3) formation
At least two containers (1) are along the circumferential direction fixed with disk (8).
3. a kind of buoyancy of Physical Experiment according to claim 2 determines device, it is characterised in that：Described montant bag
Include the lower fix bar (9) being coaxially disposed, rotating bar (10), the upper connecting rod (11) being fixed on the outside of rotating bar (10), rotating bar
(10) lower end formed with lower fix bar (9) be rotatably assorted, upper end is fixed with handwheel (12), horizon bar (4) and upper connecting rod
(11) it is fixedly connected.
4. a kind of buoyancy of Physical Experiment according to claim 3 determines device, it is characterised in that：Described lower fixation
One group of lower positioning sleeve along the circumferential direction uniformly arranged (13), the quantity and appearance of lower positioning sleeve (13) are fixed with bar (9) outer wall
The quantity of device (1) is equal and one-to-one corresponding is set, and positioning sleeve (14), lower positioning sleeve are fixed with upper connecting rod (11) outer wall
(13) it is locked with upper positioning sleeve (14) by bearing pin (15) lock be formed as between lower fix bar (9) and upper connecting rod (11)
Locking structure.
5. a kind of buoyancy of Physical Experiment according to claim 2 determines device, it is characterised in that：Described rotating disk
(8) edge is provided with positioning protruding upward makes rotating disk (8) and positioning be formed as liquid appearance along the cavity between (16) along (16)
Receive groove and positioning is provided with graduation mark along along (16) inwall.
6. a kind of buoyancy of Physical Experiment according to claim 5 determines device, it is characterised in that：Described rotating disk
(8) center be provided with it is protruding upward and with rotating disk (8) integrally formed sleeve pipe (17), lower fix bar (9) be located at sleeve pipe (17)
Interior, the upper surface of sleeve pipe (17) is with positioning the top flushed along (16) upper surface or positioned at positioning along (16) upper surface.
7. a kind of buoyancy of Physical Experiment according to claim 1 determines device, it is characterised in that：Described body to be measured
(18) the inverted cone for include cylinder, being fixedly connected with cylinder lower surface, the maximum gauge and cylinder of cone
Diameter it is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720153706.0U CN206541511U (en) | 2017-02-21 | 2017-02-21 | A kind of buoyancy of Physical Experiment determines device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720153706.0U CN206541511U (en) | 2017-02-21 | 2017-02-21 | A kind of buoyancy of Physical Experiment determines device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206541511U true CN206541511U (en) | 2017-10-03 |
Family
ID=59945779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720153706.0U Expired - Fee Related CN206541511U (en) | 2017-02-21 | 2017-02-21 | A kind of buoyancy of Physical Experiment determines device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206541511U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107610565A (en) * | 2017-11-01 | 2018-01-19 | 苏畅 | A kind of physics teaching buoyancy demonstration equipment |
| CN107633745A (en) * | 2017-11-01 | 2018-01-26 | 苏畅 | A kind of buoyancy experiment equipment for physics teaching |
| CN113063544A (en) * | 2021-03-17 | 2021-07-02 | 内江市计量测试研究所 | Dynamometer calibrating device |
| CN107633745B (en) * | 2017-11-01 | 2024-05-24 | 南京登峰机械制造有限公司 | Buoyancy experimental equipment for physical teaching |
-
2017
- 2017-02-21 CN CN201720153706.0U patent/CN206541511U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107610565A (en) * | 2017-11-01 | 2018-01-19 | 苏畅 | A kind of physics teaching buoyancy demonstration equipment |
| CN107633745A (en) * | 2017-11-01 | 2018-01-26 | 苏畅 | A kind of buoyancy experiment equipment for physics teaching |
| CN107633745B (en) * | 2017-11-01 | 2024-05-24 | 南京登峰机械制造有限公司 | Buoyancy experimental equipment for physical teaching |
| CN113063544A (en) * | 2021-03-17 | 2021-07-02 | 内江市计量测试研究所 | Dynamometer calibrating device |
| CN113063544B (en) * | 2021-03-17 | 2022-07-19 | 内江市计量测试研究所 | Dynamometer calibrating device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171003 Termination date: 20190221 |