CN107871426A - A kind of senior middle school physics teaching experiment buoyancy demonstrating device - Google Patents
A kind of senior middle school physics teaching experiment buoyancy demonstrating device Download PDFInfo
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- CN107871426A CN107871426A CN201711382321.2A CN201711382321A CN107871426A CN 107871426 A CN107871426 A CN 107871426A CN 201711382321 A CN201711382321 A CN 201711382321A CN 107871426 A CN107871426 A CN 107871426A
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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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Abstract
The invention discloses a kind of senior middle school physics teaching experiment buoyancy demonstrating device, including housing, base, support bar, beaker and spring scale；Bracing member is located at case top, and lower end is rotatably connected on spring scale by bearing, and weight is linked with the hook of the bottom of spring scale；Beaker is correspondingly fixed with the underface of weight；The bottom end of the housing is connected on base by axis of rotation, and water receiving tank is placed with mounting groove, and the weighing device for measuring water receiving tank weight is provided with the bottom of mounting groove；Angle adjusting mechanism is installed between the bottom of the housing and base.The present invention can carry out two groups of buoyancy demonstrations simultaneously, and buoyancy result is verified by way of superposition, the angle adjusting mechanism of setting can adjust its angle of inclination, different environment is provided for buoyancy demonstration, more fully lecture experiment result, it is more firm to ensure that student at least grasps, device is easy to operate.
Description
Technical field
The present invention relates to a kind of teaching equipment, specifically a kind of senior middle school physics teaching experiment buoyancy demonstrating device.
Background technology
In senior middle school physics teaching, it is often necessary to do all kinds of experiments, buoyancy experiment is a kind of relatively conventional experiment, in fact
The equipment tested is relatively simple, it is only necessary to beaker, spring scale and weight, but traditional experiment method can not more intuitively
Experimental result is obtained, and experiment method is simple, it is impossible to comprehensively buoyancy knowledge is verified, therefore, it is necessary to existing
Buoyancy demonstrating device be improved, meet modern education demand.
The content of the invention
It is an object of the invention to provide a kind of senior middle school physics teaching experiment buoyancy demonstrating device, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of senior middle school physics teaching experiment buoyancy demonstrating device, including housing, base, support bar, beaker and spring scale；Support
Bridge is located at case top, and fixed by snap, and support bar is fixed with the thread bush of vertical direction, thread bush internal thread peace
Equipped with screw rod, crank is fixed in the upper end of screw rod, and lower end is rotatably connected on spring scale by bearing, is linked up with the bottom of spring scale
On be linked with weight；Correspondingly it is fixed with beaker in the underface of weight, weight is downwardly into beaker, described beaker, bullet
Spring scale, weight, thread bush, screw rod, crank are provided with two groups；Outlet pipe is communicated with the bottom of housing；The bottom of the housing
One end is connected on base by axis of rotation, and rotating shaft is located at the lower section of outlet pipe；It is right below the end of the outlet pipe
The mounting groove to lower recess is offered on the base answered, water receiving tank is placed with mounting groove, use is installed in the bottom of mounting groove
In the weighing device of measurement water receiving tank weight；Angle adjusting mechanism is installed between the bottom of the housing and base.
Further：The housing is clear glass material.
Further：The bearing is conventional rolling bearing, by outer ring, inner ring and is fastened on the steel ball of centre and forms,
Screw rod is fixed on inner ring, and outer end is fixed on spring scale.
Further：The angle adjusting mechanism includes support, clapboard, support block, screw mandrel, chute and handle, branch
Frame is located on the bottom outer end of housing, and is fixed on base, and screw mandrel is rotatably connected on support by bearing, and screw mandrel is in addition
One end is rotatably connected on base, and the chute is opened on the base below screw mandrel, and support block is slidably connected in chute, branch
Bracer moves left and right on base, adjusts horizontal level, described screw mandrel passes through support block, and screw mandrel connects with support block screw thread
Connect, the clapboard is fixed on the bottom of housing, and the inclined-plane of clapboard down, handle is fixed on the outer end of screw mandrel.
Further：The left end of the clapboard is less than right-hand member, and clapboard is squeezed in when support block is moved to the left, and promotes shell
The right-hand member of body is inclined upwardly, and tilts housing.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention can carry out two groups of buoyancy demonstrations simultaneously, and
Verify buoyancy result by way of superposition, water receiving tank collects the water all overflowed, and by weighing device direct measurement, just
In reading weight, then the checking buoyancy formula after conversion, it is easy to student to understand buoyancy knowledge；The angle adjusting mechanism of setting can
Its angle of inclination is adjusted, different environment, more fully lecture experiment result are provided for buoyancy demonstration, it is ensured that student at least grasps
More firm, device is easy to operate.
Brief description of the drawings
Fig. 1 is a kind of structural representation of senior middle school physics teaching experiment buoyancy demonstrating device.
Fig. 2 is a kind of structural representation of angle adjusting mechanism in senior middle school physics teaching experiment buoyancy demonstrating device.
In figure：1- housings, 2- bases, 3- support bars, 4- beakers, 5- spring scales, 6- weights, 7- thread bush, 8- screw rods, 9-
Crank, 10- bearings, 11- rotating shafts, 12- outlet pipes, 13- water receiving tanks, 14- weighing devices, 15- mounting grooves, 16- supports, 17- wedges
Shape plate, 18- support blocks, 19- screw mandrels, 20- chutes, 21- handles.
Embodiment
Refer to figure, in the embodiment of the present invention, a kind of senior middle school physics teaching experiment buoyancy demonstrating device, including housing 1,
Base 2, support bar 3, beaker 4 and spring scale 5；The housing 1 is clear glass material, and support bar 3 is erected at the top of housing 1,
And it is fixed by snap, fix support bar 3, support bar 3 is fixed with the thread bush 7 of vertical direction, the internal thread of thread bush 7 peace
Equipped with screw rod 8, crank 9 is fixed in the upper end of screw rod 8, and lower end is rotatably connected on spring scale 5 by bearing 10, and bearing 10 is conventional
Rolling bearing, by outer ring, inner ring and be fastened on centre steel ball form, screw rod 8 is fixed on inner ring, and outer end is fixed on spring
On scale 5, rotate screw rod 8 and ensure that spring scale 5 is motionless, its height can be adjusted by the rotation of screw rod 8, make spring scale 5 downward
It is mobile, weight 6 is linked with the hook of the bottom of spring scale 5, weight 6 is weighed by spring scale 5, student is intuitively seen reality
Test change；Beaker 4 is correspondingly fixed with the underface of weight 6, weight 6 is convenient for testing downwardly into beaker 4,
The bottom of housing 1 is communicated with outlet pipe 12, and the water overflowed in beaker 4 is discharged, is easy to collection to weigh；The beaker 4, spring scale
5th, weight 6, thread bush 7, screw rod 8, crank 9 are provided with two groups, and the quality of two weights 6 is different, can carry out two groups of realities simultaneously
Test.
The bottom end of the housing 1 is rotatably connected on base 2 by rotating shaft 11, and rotating shaft 11 is located at outlet pipe 12
Lower section, housing 1 11 is rotated around the shaft, the water in housing 1 is poured out from outlet pipe 12, housing 1 is also allowed for and tilts；It is described go out
The mounting groove 15 to lower recess is offered corresponding to below the end of water pipe 12 on base 2, water receiving tank is placed with mounting groove 15
13, by the water of outflow in the access outlet pipe 12 of water receiving tank 13, it is easy to collect, is provided with the bottom of mounting groove 15 for measuring
The weight of water is overflowed in the weighing device 14 of the weight of water receiving tank 13, measurement.
Angle adjusting mechanism is installed between the bottom of the housing 1 and base 2, angle adjusting mechanism includes support
16th, clapboard 17, support block 18, screw mandrel 19, chute 20, handle 21, support 16 are located on the bottom outer end of housing 1, and fixed
On base 2, its keep level is made by the supporing shell 1 of support 16, screw mandrel 19 is rotatably connected on support 16 by bearing 10,
The other end of screw mandrel 19 is rotatably connected on base 2, and the chute 20 is opened on the base 2 of the lower section of screw mandrel 19, chute 20
Support block 18 is inside slidably connected, support block 18 moves left and right on base 2, adjusts horizontal level, and described screw mandrel 19 passes through
Support block 18, and screw mandrel 19 is threadedly coupled with support block 18, moves left and right support block 18 by the rotating of screw mandrel 19, the wedge
Shape plate 17 is fixed on the bottom of housing 1, and down, and left end is less than right-hand member on the inclined-plane of clapboard 17, when support block 18 is moved to the left
It is squeezed on clapboard 17, promotes the right-hand member of housing 1 to be inclined upwardly, tilt housing 1, there is provided different experiment conditions, screw mandrel
Handle 21 is fixed on 19 outer end, operating screw mandrel 19 by handle 21 rotates.
When carrying out buoyancy demonstration experiment, it can be carried out simultaneously by two groups of experiments, weight enters the water overflowed in beaker 4
Collected in the water receiving tank 13 entered from outlet pipe 12 in mounting groove 15, and the weight for overflowing water is measured by weighing device 14
Amount, verify buoyancy experiment result；During experiment, the position of internal support block 18 can be changed by swing handle 21, withstood on
On clapboard 17, the angle of inclination of adjustment housings 1, buoyancy measurement is carried out from multi-angle, and inclination can be adjusted as needed
Angle.The present invention can carry out two groups of buoyancy demonstrations simultaneously, and buoyancy result is verified by way of superposition, and water receiving tank is collected
The water all overflowed, and by weighing device direct measurement, be easy to read weight, then the checking buoyancy formula after conversion, just
Understand buoyancy knowledge in student；The angle adjusting mechanism of setting can adjust its angle of inclination, be provided for buoyancy demonstration different
Environment, more fully lecture experiment result, it is ensured that student, which at least grasps, more to be consolidated, and device is easy to operate.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. a kind of senior middle school physics teaching experiment buoyancy demonstrating device, including housing（1）, base（2）, support bar（3）, beaker
（4）And spring scale（5）；It is characterized in that：Support bar（3）It is erected at housing（1）Top, and fixed by snap, support bar
（3）It is fixed with the thread bush of vertical direction（7）, thread bush（7）Internal thread is provided with screw rod（8）, screw rod（8）Upper end fix shake
（9）, lower end passes through bearing（10）It is rotatably connected on spring scale（5）On, in spring scale（5）Bottom hook on be linked with weight
（6）；In weight（6）Underface be correspondingly fixed with beaker（4）, weight（6）Downwardly into beaker（4）Interior, described beaker
（4）, spring scale（5）, weight（6）, thread bush（7）, screw rod（8）, crank（9）It is provided with two groups；In housing（1）Bottom connection
There is outlet pipe（12）；The housing（1）Bottom end pass through rotating shaft（11）It is rotatably connected on base（2）On, and rotating shaft（11）
Positioned at outlet pipe（12）Lower section；In the outlet pipe（12）End below corresponding to base（2）On offer to lower recess
Mounting groove（15）, mounting groove（15）Inside it is placed with water receiving tank（13）, in mounting groove（15）Bottom be provided with and connect for measurement
Tank（13）The weighing device of weight（14）；The housing（1）Bottom and base（2）Between angle adjusting mechanism is installed.
A kind of 2. senior middle school physics teaching experiment buoyancy demonstrating device according to claim 1, it is characterised in that：The shell
Body（1）For clear glass material.
A kind of 3. senior middle school physics teaching experiment buoyancy demonstrating device according to claim 1, it is characterised in that：The axle
Hold（10）For conventional rolling bearing, by outer ring, inner ring and it is fastened on the steel ball of centre and forms, screw rod（8）It is fixed on inner ring,
Outer end is fixed on spring scale（5）On.
A kind of 4. senior middle school physics teaching experiment buoyancy demonstrating device according to claim 1, it is characterised in that：The angle
Degree governor motion includes support（16）, clapboard（17）, support block（18）, screw mandrel（19）, chute（20）And handle（21）, branch
Frame（16）Positioned at housing（1）Bottom outer end on, and be fixed on base（2）On, screw mandrel（19）Pass through bearing（10）Rotation connection
In support（16）On, screw mandrel（19）Other end be rotatably connected on base（2）On, the chute（20）It is opened in screw mandrel（19）
The base of lower section（2）On, chute（20）Inside slidably connect support block（18）, support block（18）In base（2）On move left and right,
Adjust horizontal level, described screw mandrel（19）Through support block（18）, and screw mandrel（19）With support block（18）Threaded connection, it is described
Clapboard（17）It is fixed on housing（1）Bottom, clapboard（17）Inclined-plane down, screw mandrel（19）Outer end on fix handle
（21）.
A kind of 5. senior middle school physics teaching experiment buoyancy demonstrating device according to claim 4, it is characterised in that：The wedge
Shape plate（17）Left end be less than right-hand member, support block（18）Clapboard is squeezed in when being moved to the left（17）, promote housing（1）Right-hand member
It is inclined upwardly, makes housing（1）Tilt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711382321.2A CN107871426A (en) | 2017-12-20 | 2017-12-20 | A kind of senior middle school physics teaching experiment buoyancy demonstrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711382321.2A CN107871426A (en) | 2017-12-20 | 2017-12-20 | A kind of senior middle school physics teaching experiment buoyancy demonstrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107871426A true CN107871426A (en) | 2018-04-03 |
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ID=61756011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711382321.2A Pending CN107871426A (en) | 2017-12-20 | 2017-12-20 | A kind of senior middle school physics teaching experiment buoyancy demonstrating device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107871426A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112967578A (en) * | 2021-01-29 | 2021-06-15 | 重庆医药高等专科学校 | Visual safety test control method |
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| CN2859702Y (en) * | 2005-12-09 | 2007-01-17 | 赵建明 | Archimedes principle demonstrator |
| CN202956965U (en) * | 2012-10-24 | 2013-05-29 | 郑州利生科教设备有限公司 | Archimedes principle tester |
| CN204143712U (en) * | 2014-08-19 | 2015-02-04 | 孙艺欣 | A kind of buoyancy demonstrating device |
| CN105206144A (en) * | 2015-10-15 | 2015-12-30 | 罗雯睿 | Buoyancy experimental device and method for physics teaching |
| CN205645042U (en) * | 2015-12-29 | 2016-10-12 | 张贵强 | Archimedes principle demonstrates appearance |
| CN206259085U (en) * | 2016-07-22 | 2017-06-16 | 孔德耀 | Dip-adjustable type slope is used in a kind of Physical Experiment |
| CN206331694U (en) * | 2016-12-20 | 2017-07-14 | 宝鸡文理学院 | A kind of buoyancy teaching demonstration device |
| CN206639474U (en) * | 2017-04-07 | 2017-11-14 | 汪彦霞 | Buoyancy experiment instructional device |
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- 2017-12-20 CN CN201711382321.2A patent/CN107871426A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2859702Y (en) * | 2005-12-09 | 2007-01-17 | 赵建明 | Archimedes principle demonstrator |
| CN202956965U (en) * | 2012-10-24 | 2013-05-29 | 郑州利生科教设备有限公司 | Archimedes principle tester |
| CN204143712U (en) * | 2014-08-19 | 2015-02-04 | 孙艺欣 | A kind of buoyancy demonstrating device |
| CN105206144A (en) * | 2015-10-15 | 2015-12-30 | 罗雯睿 | Buoyancy experimental device and method for physics teaching |
| CN205645042U (en) * | 2015-12-29 | 2016-10-12 | 张贵强 | Archimedes principle demonstrates appearance |
| CN206259085U (en) * | 2016-07-22 | 2017-06-16 | 孔德耀 | Dip-adjustable type slope is used in a kind of Physical Experiment |
| CN206331694U (en) * | 2016-12-20 | 2017-07-14 | 宝鸡文理学院 | A kind of buoyancy teaching demonstration device |
| CN206639474U (en) * | 2017-04-07 | 2017-11-14 | 汪彦霞 | Buoyancy experiment instructional device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112967578A (en) * | 2021-01-29 | 2021-06-15 | 重庆医药高等专科学校 | Visual safety test control method |
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Application publication date: 20180403 |
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