CN209328319U - A kind of Middle School Physics buoyancy demonstration teaching aid - Google Patents
A kind of Middle School Physics buoyancy demonstration teaching aid Download PDFInfo
- Publication number
- CN209328319U CN209328319U CN201820320637.2U CN201820320637U CN209328319U CN 209328319 U CN209328319 U CN 209328319U CN 201820320637 U CN201820320637 U CN 201820320637U CN 209328319 U CN209328319 U CN 209328319U
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- China
- Prior art keywords
- sink
- water
- pumping cylinder
- water pumping
- dynamometer
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 238000005086 pumping Methods 0.000 claims abstract description 35
- 238000012360 testing method Methods 0.000 claims abstract description 31
- 238000005192 partition Methods 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000003651 drinking water Substances 0.000 description 4
- 235000020188 drinking water Nutrition 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 206010028347 Muscle twitching Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Instructional Devices (AREA)
Abstract
The utility model discloses a kind of Middle School Physics buoyancy demonstration teaching aids, including water pumping cylinder, sink and waterproof dynamometer, the inside of the sink is equipped with net partition, the interior bottom of sink is equipped with waterproof dynamometer, the force-measuring hook of waterproof dynamometer is connect by connecting rope with object under test, the side of waterproof dynamometer is additionally provided with graduated scale, the side of sink is mounted with water pumping cylinder, the inside of water pumping cylinder is equipped with piston, push-pull rod is installed on the outside of piston, and the outer end of push-pull rod is equipped with push-pull handle, drainpipe and water inlet pipe are connected separately at the top and bottom of the inner end of water pumping cylinder, the other end of drainpipe is connected to the side surface upper part of sink, the other end of water inlet pipe is connected to the side bottom of sink.The utility model can facilitate buoyancy suffered by student's rapid survey object, have preferable facilitation to the learning interest for improving student.
Description
Technical field
The utility model relates to teaching equipment field, specifically a kind of Middle School Physics buoyancy demonstration teaching aid.
Background technique
Currently, under the trend that the national reform in education constantly promotes implementation, physics teaching has gradually increased laboratory
The experiment link content of journey.By Binding experiment and theoretical teaching method, the knowledge of students can not only be made more firm
Gu, additionally it is possible to the learning interest for effectively lifting student, the teaching side based on theory study for keeping physics teaching disengaging tradition uninteresting
Formula, therefore, the demand of the correlated knowledge point experiment teaching aid of physics teaching are also more and more, and movable dedicated for experimental teaching
Teaching aid is then opposite to be lacked.Based on above-mentioned, the utility model provides a kind of Middle School Physics buoyancy demonstration teaching aid, passes through experiment religion
The rational design of tool meets experimental demonstration and teaching request that physical teachers in middle school measures buoyancy of object, to solve existing skill
Deficiency and defect existing for art.
Utility model content
The purpose of this utility model is to provide a kind of Middle School Physics buoyancy demonstration teaching aids, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions:
A kind of Middle School Physics buoyancy demonstration teaching aid, including water pumping cylinder, sink and waterproof dynamometer, outside the bottom of the sink
Circle is equipped with multiple Slippery proof foot pads, and the inside of sink is equipped with net partition, and the outer ring of net partition and the inner wall of sink are connected and fixed, sink
Interior bottom be equipped with waterproof dynamometer, waterproof dynamometer is equipped with display panel, and the force-measuring hook of waterproof dynamometer passes through connecting rope
It being connect with object under test, the object under test is located at the upside of net partition, and the side of the waterproof dynamometer is additionally provided with graduated scale,
The interior bottom of sink is fixed in the lower end of graduated scale, and the side of the sink is mounted with water pumping cylinder, and the outer end of water pumping cylinder is opened
Equipped with stomata, the inside of the water pumping cylinder is equipped with piston, is equipped with push-pull rod on the outside of piston, and push-pull rod is from the outer end of water pumping cylinder
Sliding is stretched out, and the outer end of push-pull rod is equipped with push-pull handle, is connected separately with draining at the top and bottom of the inner end of the water pumping cylinder
Pipe and water inlet pipe are separately installed with check valve of water drainage and water feeding one-way valve on the drainpipe and water inlet pipe, the drainpipe
The other end is connected to the side surface upper part of sink, and the other end of water inlet pipe is connected to the side bottom of sink.
As a further solution of the present invention: be additionally provided with water level line on the object under test, water level line be set on to
Survey the equally distributed horizontal endless line of side of the object.
As a further solution of the present invention: the upper end of the connecting rope is connected and fixed in the bottom of object under test
Between position.
As a further solution of the present invention: being also provided with the through-hole passed through for connecting rope on the net partition.
As a further solution of the present invention: the water pumping cylinder is horizontally disposed cylindrical tube.
As a further solution of the present invention: the material of the water pumping cylinder and sink is transparent glass material or transparent
Silica glass material.
As a further solution of the present invention: the water level when piston is located at the outermost end of water pumping cylinder, in sink
On the downside of net partition；When the piston is located at the inner terminal of water pumping cylinder, the water level in sink covers object under test completely.
Compared with prior art, the utility model has the beneficial effects that the Middle School Physics buoyancy demonstration teaching aid, by outside
The check valve of water drainage and water feeding one-way valve being arranged on piston and drainpipe and water inlet pipe are twitched, the water body in sink can be taken out
Out, with the extraction of water body, object under test changes relative to the liquid level in sink, can intuitively be reacted by waterproof dynamometer
The size of object under test buoyancy under different " drinking water " depth；Can also by graduated scale indicate sink in water level cover completely to
After surveying object, with the size variation of the rising object under test buoyancy of water level in sink；In addition, can be to determinand by net partition
Body carries out limit blocking；By the setting of water level line on object under test, " drinking water " depth of object under test can be intuitively indicated.The dress
It is simple to set structure, design is rationally, easy to use and operate, can facilitate buoyancy suffered by student's rapid survey object, teach physics
It learns demonstration and experimental demonstration is more convenient, effectively improve teaching demonstration efficiency and facilitate the understanding of student, to student is improved
Practising interest has preferable facilitation.
Detailed description of the invention
Fig. 1 is that the water level of the utility model is located at net partition structural schematic diagram below.
Fig. 2 is that the water level of the utility model covers the structural schematic diagram of object under test.
In figure: 1- push-pull handle, 2- push-pull rod, 3- stomata, 4- piston, 5- water pumping cylinder, 6- check valve of water drainage, 7- drainpipe,
8- water feeding one-way valve, 9- water inlet pipe, 10- Slippery proof foot pad, 11- sink, 12- object under test, 13- water level line, 14- graduated scale, 15-
Net partition, 16- through-hole, 17- waterproof dynamometer, 18- display panel, 19- hook, 20- connecting rope.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~2, in the utility model embodiment, a kind of Middle School Physics buoyancy demonstration teaching aid, including water pumping cylinder 5,
The bottom outer ring of sink 11 and waterproof dynamometer 17, the sink 11 is equipped with multiple Slippery proof foot pads 10, and the inside of sink 11 is equipped with
Net partition 15, the outer ring of net partition 15 and the inner wall of sink 11 are connected and fixed, and the interior bottom of sink 11 is equipped with waterproof dynamometer 17,
Waterproof dynamometer 17 is equipped with display panel 18, and the force-measuring hook 19 of waterproof dynamometer 17 is connected by connecting rope 20 and object under test 12
Connect, the object under test 12 is located at the upside of net partition 15, be additionally provided with water level line 13 on object under test 12, water level line 13 be set on
The equally distributed horizontal endless line of 12 side of object under test, the upper end of the connecting rope 20 are connected and fixed on object under test 12
Bottom middle position is also provided with the through-hole 16 passed through for connecting rope 20 on the net partition 15, can be right by net partition 15
Object under test 12 is supported blocking, and the through-hole 16 on net partition 15 is conducive to connecting rope 20 and passes through, the waterproof dynamometer 17
Side be additionally provided with graduated scale 14, the interior bottom of sink 11 is fixed in the lower end of graduated scale 14, can be to sink by graduated scale 14
Water level in 11 is indicated.
The side of the sink 11 is mounted with water pumping cylinder 5, and water pumping cylinder 5 is horizontally disposed cylindrical tube, draws water
The outer end of cylinder 5 offers stomata 3, and the inside of the water pumping cylinder 5 is equipped with piston 4, and the outside of piston 4 is equipped with push-pull rod 2, pushes and pulls
Bar 2 is slided from the outer end of water pumping cylinder 5 to be stretched out, and the outer end of push-pull rod 2 is equipped with push-pull handle 1, can be to push-pull rod by push-pull handle 1
2 carry out pull, and then move left and right to piston 4, are connected separately with drainpipe at the top and bottom of the inner end of the water pumping cylinder 5
7 and water inlet pipe 9, check valve of water drainage 6 and water feeding one-way valve 8 are separately installed on the drainpipe 7 and water inlet pipe 9, pass through draining
The setting of check valve 6 and water feeding one-way valve 8, the water body in water pumping cylinder 5 can only unidirectionally be discharged from drainpipe 7, and water body can only be unidirectional
It is entered in water pumping cylinder 5 from water inlet pipe 9, the other end of the drainpipe 7 is connected to the side surface upper part of sink 11, water inlet pipe 9
The other end is connected to the side bottom of sink 11, and the water body in sink 11 can be discharged by water inlet pipe 9, can be to by drainpipe 7
Water body is discharged into sink 11.
In the present embodiment, the material of the water pumping cylinder 5 and sink 11 is transparent glass material or transparent quartz glass material
Material.
Water level position in the present embodiment, when the piston 4 is located at the outermost end of water pumping cylinder 5 (as shown in Figure 1), in sink 11
In 15 downside of net partition；When the piston 4 is located at the inner terminal of water pumping cylinder 5 (as shown in Figure 2), the water level in sink 11 is completely unrestrained
Cross object under test 12.
The Middle School Physics buoyancy demonstration teaching aid is arranged on piston 4 and drainpipe 7 and water inlet pipe 9 by twitching outward
Check valve of water drainage 6 and water feeding one-way valve 8 can extract the water body in sink 11 out, and with the extraction of water body, object under test 12 is opposite
It changes in the liquid level in sink 11, it is deep in different " drinking water " object under test 12 can intuitively to be reacted by waterproof dynamometer 17
Spend the size of lower buoyancy；After can also indicating that water level covers object under test 12 completely in sink 11 by graduated scale 14, with sink
The size variation of rising 12 buoyancy of object under test of water level in 11；In addition, by net partition 15 can measuring targets 12 limited
Steric hindrance gear；By the setting of water level line 13 on object under test 12, " drinking water " depth of object under test 12 can be intuitively indicated.The device
Structure is simple, and design is rationally, easy to use and operate, can facilitate buoyancy suffered by student's rapid survey object, make physics teaching
Demonstration and experimental demonstration are more convenient, effectively improve teaching demonstration efficiency and facilitate the understanding of student, the study to student is improved
Interest has preferable facilitation.
The above are merely preferred embodiments of the present invention, it is noted that for those skilled in the art,
Without departing from the concept of the premise utility, several modifications and improvements can also be made, these also should be considered as practical
Novel protection scope, these all will not influence the effect and patent practicability of the utility model implementation.
Claims (7)
1. a kind of Middle School Physics buoyancy demonstration teaching aid, including water pumping cylinder (5), sink (11) and waterproof dynamometer (17), feature
It is, the bottom outer ring of the sink (11) is equipped with multiple Slippery proof foot pads (10), and the inside of sink (11) is equipped with net partition (15),
The outer ring of net partition (15) and the inner wall of sink (11) are connected and fixed, and the interior bottom of sink (11) is equipped with waterproof dynamometer (17),
Waterproof dynamometer (17) is equipped with display panel (18), the force-measuring hook (19) of waterproof dynamometer (17) by connecting rope (20) with to
Object (12) connection is surveyed, the object under test (12) is located at the upside of net partition (15), the side of the waterproof dynamometer (17)
It is additionally provided with graduated scale (14), the interior bottom of sink (11), the side peace of the sink (11) are fixed in the lower end of graduated scale (14)
Dress is fixed with water pumping cylinder (5), and the outer end of water pumping cylinder (5) offers stomata (3), and the inside of the water pumping cylinder (5) is equipped with piston
(4), it is equipped with push-pull rod (2) on the outside of piston (4), push-pull rod (2) is slided from the outer end of water pumping cylinder (5) to be stretched out, and push-pull rod
(2) outer end is equipped with push-pull handle (1), be connected separately at the top and bottom of the inner end of the water pumping cylinder (5) drainpipe (7) and into
Water pipe (9) is separately installed with check valve of water drainage (6) and water feeding one-way valve (8) on the drainpipe (7) and water inlet pipe (9), described
The other end of drainpipe (7) is connected to the side surface upper part of sink (11), and the other end of water inlet pipe (9) is connected to the side of sink (11)
Face bottom.
2. Middle School Physics buoyancy demonstration teaching aid according to claim 1, which is characterized in that on the object under test (12) also
Equipped with water level line (13), water level line (13) is the equally distributed horizontal endless line set on object under test (12) side.
3. Middle School Physics buoyancy demonstration teaching aid according to claim 1 or 2, which is characterized in that the connecting rope (20)
Upper end is connected and fixed on the bottom middle position of object under test (12).
4. Middle School Physics buoyancy demonstration teaching aid according to claim 3, which is characterized in that also opened on the net partition (15)
Equipped with the through-hole (16) passed through for connecting rope (20).
5. Middle School Physics buoyancy demonstration teaching aid according to claim 1, which is characterized in that the water pumping cylinder (5) is level
The cylindrical tube of setting.
6. Middle School Physics buoyancy demonstration teaching aid according to claim 1 or 5, which is characterized in that the water pumping cylinder (5) and water
The material of slot (11) is transparent glass material or transparent silica glass material.
7. Middle School Physics buoyancy demonstration teaching aid according to claim 1, which is characterized in that the piston (4), which is located at, to be drawn water
When the outermost end of cylinder (5), the water level in sink (11) is located on the downside of net partition (15)；The piston (4) is located at water pumping cylinder (5)
When inner terminal, the water level in sink (11) covers object under test (12) completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820320637.2U CN209328319U (en) | 2018-03-07 | 2018-03-07 | A kind of Middle School Physics buoyancy demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820320637.2U CN209328319U (en) | 2018-03-07 | 2018-03-07 | A kind of Middle School Physics buoyancy demonstration teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209328319U true CN209328319U (en) | 2019-08-30 |
Family
ID=67704756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820320637.2U Expired - Fee Related CN209328319U (en) | 2018-03-07 | 2018-03-07 | A kind of Middle School Physics buoyancy demonstration teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209328319U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112270876A (en) * | 2020-11-16 | 2021-01-26 | 山东交通学院 | A kind of buoyancy demonstration teaching aid and using method thereof |
-
2018
- 2018-03-07 CN CN201820320637.2U patent/CN209328319U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112270876A (en) * | 2020-11-16 | 2021-01-26 | 山东交通学院 | A kind of buoyancy demonstration teaching aid and using method thereof |
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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: 20190830 Termination date: 20200307 |