CN108573641A - A kind of high school physics buoyancy experiment device - Google Patents
A kind of high school physics buoyancy experiment device Download PDFInfo
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- CN108573641A CN108573641A CN201810412539.6A CN201810412539A CN108573641A CN 108573641 A CN108573641 A CN 108573641A CN 201810412539 A CN201810412539 A CN 201810412539A CN 108573641 A CN108573641 A CN 108573641A
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- plate
- holder
- rectangular channel
- wall
- movable plate
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/12—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of liquids or gases
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a kind of high school physics buoyancy experiment devices, including holder, symmetrically arranged mounting groove there are two being opened up in the bottom interior wall of the holder, stepper motor is installed in mounting groove, it is welded with lead screw on the output shaft of stepper motor, it is installed with placement plate on the both sides inner wall of holder, the bottom of placement plate offers rotation slot, the top of lead screw extends in corresponding rotation slot, symmetrically arranged movable plate there are two being set in holder, threaded hole is offered at the top of movable plate, lead screw is threadedly coupled with corresponding threaded hole, two movable plate sides close to each other offer rectangular channel, connecting plate is equipped in rectangular channel, vertical core is offered in the top inner wall of rectangular channel.The configuration of the present invention is simple, it is easy for installation, it is economical and practical, it is convenient that be measured piece is replaced by spring and pressing plate, and by movable plate and connecting rope, facilitate the height of to be measured piece of adjusting.
Description
Technical field
The present invention relates to experiment teaching aid technical field more particularly to a kind of high school physics buoyancy experiment devices.
Background technology
The reason of buoyancy phenomenon in physics teaching is the key content of Physics Course, and liquid generates buoyancy and influence are floating
The factor of power is the difficult point of teaching always, and the size of buoyancy is only related with the volume of the arranged liquid of object and the density of liquid,
When fluid density is constant, the volume that object arranges liquid is bigger, and buoyancy is bigger；When the liquid volume that object arranges is constant,
Fluid density is bigger, and buoyancy is bigger；Teacher generally can teach teaching, existing buoyancy experiment when explanation by testing
Teaching aid is typically that be measured piece that installs dynamometer is placed in solution tank, is obtained by the registration of dynamometer and the gravitational difference of object
Buoyancy registration, but be not easy to replace different to be measured pieces, and it is not easy to adjust to be measured piece of height, therefore we have proposed
A kind of high school physics buoyancy experiment device is for solving the above problems.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of high school physics buoyancy proposed is real
Experiment device.
To achieve the goals above, present invention employs following technical solutions：
A kind of high school physics buoyancy experiment device, including holder, open up that there are two symmetrical in the bottom interior wall of the holder
The mounting groove of setting is equipped with stepper motor in mounting groove, lead screw, the both sides of holder is welded on the output shaft of stepper motor
Placement plate is installed on inner wall, the bottom of placement plate offers rotation slot, and the top of lead screw extends to corresponding turn
In dynamic slot, set in holder there are two symmetrically arranged movable plate, offer threaded hole at the top of movable plate, lead screw with it is corresponding
Threaded hole be threadedly coupled, two movable plate sides close to each other offer rectangular channel, and connecting plate, square are equipped in rectangular channel
Vertical core is offered in the top inner wall of shape slot, riser is slidably fitted in vertical core, and the bottom end of riser extends in rectangular channel and welds
It is connected to pressing plate, multiple springs are welded between the top of pressing plate and the top inner wall of rectangular channel on the same movable plate,
Two connecting plate sides close to each other all extend to the outside of rectangular channel, and two connecting plate bottom sides close to each other are solid
Surely it is connected with connecting rope, pedestal is installed in the bottom interior wall of holder, solution tank, two companies are offered at the top of pedestal
The bottom end of splicing is connected with same to be measured piece, and to be measured piece of bottom extends in solution tank, to be measured piece of top center position
Dynamometer is installed.
Preferably, it extends to the top of movable plate at the top of the riser and is welded with handle, and handle is equipped with anti-skidding
Screw thread.
Preferably, the quantity for being located at the spring on the same pressing plate is six to eight, and six on the same pressing plate
It is located on same level axis to eight springs.
Preferably, two pressing plates are symmetrical arranged, and the inner wall of pressing plate and rectangular channel is slidably connected.
Preferably, the side that two movable plates are located remotely from each other is slidably connected with the both sides inner wall of holder respectively.
Preferably, the bottom of the stepper motor is welded with mounting plate, and stepper motor is screwed on by mounting plate
In the bottom interior wall of mounting groove.
Compared with prior art, the beneficial effects of the invention are as follows：
By holder, connecting plate, stepper motor, placement plate, rotation slot, lead screw, movable plate, threaded hole, rectangular channel, pressing plate,
Vertical core, riser, spring, handle, pedestal, connecting rope, to be measured piece and dynamometer match, pull handle, by two connecting plates point
It is not positioned in two rectangular channels, unclamps handle, for spring since the elastic band dynamic pressure plate of itself is moved, pressing plate drives riser
It is moved so that connecting plate is clamped by pressing plate, convenient to be replaced to be measured piece, starts stepper motor, stepper motor
Output shaft drive lead screw rotated, lead screw is threadedly coupled with threaded hole, drive movable plate moved, movable plate drive company
Fishplate bar is moved, and connecting plate drives connecting rope to be moved, and connecting rope drives to be measured piece to be moved, and facilitates to be measured piece of adjusting
Height, read to be measured piece of buoyancy size by observing the registration of dynamometer at this time.
The configuration of the present invention is simple, it is easy for installation, it is economical and practical, it is convenient that be measured piece is replaced by spring and pressing plate,
And by movable plate and connecting rope, facilitate the height of to be measured piece of adjusting.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of high school physics buoyancy experiment device proposed by the present invention；
Fig. 2 is a kind of structural schematic diagram of the part A of high school physics buoyancy experiment device proposed by the present invention.
In figure：1 holder, 2 connecting plates, 3 mounting grooves, 4 stepper motors, 5 placement plates, 6 rotation slots, 7 lead screws, 8 movable plates,
9 threaded holes, 10 rectangular channels, 11 pressing plates, 12 vertical cores, 13 risers, 14 springs, 15 handles, 16 pedestals, 17 connecting ropes, 18 to be measured pieces,
19 dynamometers.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-2, a kind of high school physics buoyancy experiment device, including holder 1 are opened in the bottom interior wall of holder 1
If there are two symmetrically arranged mounting groove 3, stepper motor 4 is installed in mounting groove 3, is welded on the output shaft of stepper motor 4
Lead screw 7 is installed with placement plate 5 on the both sides inner wall of holder 1, and the bottom of placement plate 5 offers rotation slot 6, lead screw 7
Top extend in corresponding rotation slot 6, set in holder 1 there are two symmetrically arranged movable plate 8, the top of movable plate 8
Portion offers threaded hole 9, and lead screw 7 is threadedly coupled with corresponding threaded hole 9, and two sides close to each other of movable plate 8 are opened
Equipped with rectangular channel 10, it is equipped with connecting plate 2 in rectangular channel 10, offers vertical core 12 in the top inner wall of rectangular channel 10, in vertical core 12
It is slidably fitted with riser 13, the bottom end of riser 13 extends in rectangular channel 10 and is welded with pressing plate 11, is located at the same movable plate 8
On pressing plate 11 top and the top inner wall of rectangular channel 10 between be welded with multiple springs 14, two connecting plates 2 are close to each other
Side all extend to the outside of rectangular channel 10, two bottom sides close to each other of connecting plate 2 have been fixedly connected with connecting rope
17, pedestal 16 is installed in the bottom interior wall of holder 1, and the top of pedestal 16 offers solution tank, two connecting ropes 17
Bottom end be connected with same to be measured piece 18, to be measured piece 18 of bottom extends in solution tank, to be measured piece 18 of center of top position
Set and dynamometer 19 be installed, by holder 1, connecting plate 2, stepper motor 4, placement plate 5, rotation slot 6, lead screw 7, movable plate 8,
Threaded hole 9, rectangular channel 10, pressing plate 11, vertical core 12, riser 13, spring 14, handle 15, pedestal 16, connecting rope 17, to be measured piece 18
It is matched with dynamometer 19, pull handle 15, two connecting plates 2 is respectively placed in two 10 slots of rectangle, unclamp handle 15,
For spring 14 since the elastic band dynamic pressure plate 11 of itself is moved, pressing plate 11 drives riser 13 to be moved so that pressing plate 11 will
Connecting plate 2 is clamped, convenient to be replaced to be measured piece 18, starts stepper motor 4, and the output shaft of stepper motor 4 drives silk
Bar 7 is rotated, and lead screw 7 is threadedly coupled with threaded hole 9, and movable plate 8 is driven to be moved, and movable plate 8 drives connecting plate 2 to carry out
Mobile, connecting plate 2 drives connecting rope 17 to be moved, and connecting rope 17 drives to be measured piece 18 to be moved, and facilitates to be measured piece of adjusting
18 height reads to be measured piece 18 of buoyancy size, the configuration of the present invention is simple, peace by observing the registration of dynamometer 19 at this time
Dress is convenient, economical and practical, convenient to be replaced to be measured piece 18 by spring 14 and pressing plate 11, and by movable plate 8 and even
Splicing 17 facilitates and adjusts to be measured piece 18 of height.
In the present invention, the top of riser 13 extends to the top of movable plate 8 and is welded with handle 15, and handle 15 is equipped with
Antiskid thread, the quantity for being located at the spring 14 on the same pressing plate 11 are six to eight, and six on the same pressing plate 11
It is located on same level axis to eight springs 14, two pressing plates 11 are symmetrical arranged, and pressing plate 11 and the inner wall of rectangular channel 10 are slided
Dynamic connection, the side that two movable plates 8 are located remotely from each other are slidably connected with the both sides inner wall of holder 1 respectively, the bottom of stepper motor 4
Portion is welded with mounting plate, and stepper motor 4 is screwed on by mounting plate in the bottom interior wall of mounting groove 3, and holder is passed through
1, connecting plate 2, stepper motor 4, placement plate 5, rotation slot 6, lead screw 7, movable plate 8, threaded hole 9, rectangular channel 10, pressing plate 11, perpendicular
Hole 12, riser 13, spring 14, handle 15, pedestal 16, connecting rope 17, to be measured piece 18 and dynamometer 19 match, pull handle
15, two connecting plates 2 are respectively placed in two 10 slots of rectangle, handle 15 is unclamped, spring 14 is driven due to the elastic force of itself
Pressing plate 11 is moved, and pressing plate 11 drives riser 13 to be moved so that connecting plate 2 is clamped by pressing plate 11, is conveniently treated
It surveys block 18 to be replaced, starts stepper motor 4, the output shaft of stepper motor 4 drives lead screw 7 to be rotated, lead screw 7 and threaded hole
9 are threadedly coupled, and movable plate 8 is driven to be moved, and movable plate 8 drives connecting plate 2 to be moved, and connecting plate 2 drives connecting rope 17
It is moved, connecting rope 17 drives to be measured piece 18 to be moved, and facilitates and adjusts to be measured piece 18 of height, passes through observe dynamometry at this time
19 registration is counted to read to be measured piece 18 of buoyancy size, the configuration of the present invention is simple is easy for installation, economical and practical, passes through spring
14 and pressing plate 11, it is convenient that be measured piece 18 is replaced, and by movable plate 8 and connecting rope 17, facilitate to be measured piece 18 of adjusting
Height.
Operation principle：In use, pull handle 15, two connecting plates 2 are respectively placed in two rectangular channels 10, unclamp
Handle 15, spring 14 are moved due to the elastic band dynamic pressure plate 11 of itself so that pressing plate 11 is enterprising in the inner wall of rectangular channel 10
Row sliding, pressing plate 11 drive riser 13 to be moved, and riser 13 is slided on the inner wall of vertical core 12 so that pressing plate 11 will even
Fishplate bar 2 is clamped, convenient to be replaced to be measured piece 18, starts stepper motor 4, and the output shaft of stepper motor 4 drives lead screw 7
It is rotated, lead screw 7 is threadedly coupled with threaded hole 9, drives movable plate 8 to be moved so that movable plate 8 is in holder 1
It is slided on wall, movable plate 8 drives connecting plate 2 to be moved, and connecting plate 2 drives connecting rope 17 to be moved, connecting rope 17
It drives to be measured piece 18 to be moved, facilitates and adjust to be measured piece 18 of height, read at this time by observing the registration of dynamometer 19
To be measured piece 18 of buoyancy size.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of high school physics buoyancy experiment device, including holder（1）, which is characterized in that the holder（1）Bottom in
Symmetrically arranged mounting groove there are two being opened up on wall（3）, mounting groove（3）Stepper motor is inside installed（4）, stepper motor（4）'s
Lead screw is welded on output shaft（7）, holder（1）Both sides inner wall on be installed with placement plate（5）, placement plate（5）'s
Bottom offers rotation slot（6）, lead screw（7）Top extend to corresponding rotation slot（6）It is interior, holder（1）Inside it is equipped with two
A symmetrically arranged movable plate（8）, movable plate（8）Top offer threaded hole（9）, lead screw（7）With corresponding threaded hole
（9）It is threadedly coupled, two movable plates（8）Side close to each other offers rectangular channel（10）, rectangular channel（10）The interior company of being equipped with
Fishplate bar（2）, rectangular channel（10）Top inner wall on offer vertical core（12）, vertical core（12）Inside it is slidably fitted with riser（13）, erect
Plate（13）Bottom end extend to rectangular channel（10）It is interior and be welded with pressing plate（11）, it is located at the same movable plate（8）On pressing plate
（11）Top and rectangular channel（10）Top inner wall between be welded with multiple springs（14）, two connecting plates（2）It is close to each other
Side all extend to rectangular channel（10）Outside, two connecting plates（2）Bottom side close to each other has been fixedly connected with company
Splicing（17）, holder（1）Bottom interior wall on be installed with pedestal（16）, pedestal（16）Top offer solution tank,
Two connecting ropes（17）Bottom end be connected with same to be measured piece（18）, to be measured piece（18）Bottom extend in solution tank, wait for
Survey block（18）Top center position dynamometer is installed（19）.
2. a kind of high school physics buoyancy experiment device according to claim 1, which is characterized in that the riser（13）Top
Portion extends to movable plate（8）Top and be welded with handle（15）, and handle（15）It is equipped with antiskid thread.
3. a kind of high school physics buoyancy experiment device according to claim 1, which is characterized in that be located at the same pressing plate
（11）On spring（14）Quantity be six to eight, and be located at the same pressing plate（11）On six to eight springs（14）It is located at
On same level axis.
4. a kind of high school physics buoyancy experiment device according to claim 1, which is characterized in that two pressing plates（11）Symmetrically
Setting, and pressing plate（11）With rectangular channel（10）Inner wall be slidably connected.
5. a kind of high school physics buoyancy experiment device according to claim 1, which is characterized in that two movable plates（8）Phase
Mutually separate side respectively with holder（1）Both sides inner wall be slidably connected.
6. a kind of high school physics buoyancy experiment device according to claim 1, which is characterized in that the stepper motor（4）
Bottom be welded with mounting plate, and stepper motor（4）It is screwed on mounting groove by mounting plate（3）Bottom interior wall on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810412539.6A CN108573641A (en) | 2018-05-03 | 2018-05-03 | A kind of high school physics buoyancy experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810412539.6A CN108573641A (en) | 2018-05-03 | 2018-05-03 | A kind of high school physics buoyancy experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108573641A true CN108573641A (en) | 2018-09-25 |
Family
ID=63575607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810412539.6A Pending CN108573641A (en) | 2018-05-03 | 2018-05-03 | A kind of high school physics buoyancy experiment device |
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| Country | Link |
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| CN (1) | CN108573641A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975002A (en) * | 2019-04-29 | 2019-07-05 | 骏升科技（扬州）有限公司 | A kind of remote controller key waves test device |
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| US20050191602A1 (en) * | 2004-03-01 | 2005-09-01 | Lewellen Richard R. | Method and apparatus kit for demonstrating archimedes' principle |
| CN204398564U (en) * | 2015-01-17 | 2015-06-17 | 湖南城市学院 | A kind of personal file bookbinding machine |
| CN206331694U (en) * | 2016-12-20 | 2017-07-14 | 宝鸡文理学院 | A kind of buoyancy teaching demonstration device |
| CN206789143U (en) * | 2017-04-11 | 2017-12-22 | 董明一 | A kind of Middle School Physics teaching aid for buoyancy of object measurement |
| CN207008931U (en) * | 2017-05-08 | 2018-02-13 | 袁逸 | A kind of high school physicses buoyancy experiment device |
-
2018
- 2018-05-03 CN CN201810412539.6A patent/CN108573641A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050191602A1 (en) * | 2004-03-01 | 2005-09-01 | Lewellen Richard R. | Method and apparatus kit for demonstrating archimedes' principle |
| CN204398564U (en) * | 2015-01-17 | 2015-06-17 | 湖南城市学院 | A kind of personal file bookbinding machine |
| CN206331694U (en) * | 2016-12-20 | 2017-07-14 | 宝鸡文理学院 | A kind of buoyancy teaching demonstration device |
| CN206789143U (en) * | 2017-04-11 | 2017-12-22 | 董明一 | A kind of Middle School Physics teaching aid for buoyancy of object measurement |
| CN207008931U (en) * | 2017-05-08 | 2018-02-13 | 袁逸 | A kind of high school physicses buoyancy experiment device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975002A (en) * | 2019-04-29 | 2019-07-05 | 骏升科技（扬州）有限公司 | A kind of remote controller key waves test device |
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Application publication date: 20180925 |