CN207367448U - A kind of high school student's physics frictional experiment demonstrator - Google Patents
A kind of high school student's physics frictional experiment demonstrator Download PDFInfo
- Publication number
- CN207367448U CN207367448U CN201720766329.8U CN201720766329U CN207367448U CN 207367448 U CN207367448 U CN 207367448U CN 201720766329 U CN201720766329 U CN 201720766329U CN 207367448 U CN207367448 U CN 207367448U
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- support base
- fixedly connected
- inner cavity
- motor
- support
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Abstract
The utility model discloses a kind of high school student's physics frictional experiment demonstrator, including support base, the bottom of the support base inner cavity is fixedly connected with storage battery, upper end on the right side of the support base inner cavity is fixedly connected with verticality sensor, the upper right side of the support base inner cavity is movably installed with driving wheel, the left upper end of the support base inner cavity is movably installed with driven wheel, and driven wheel is connected by conveyer belt with capstan drive, and the middle-end of the support base outer surface is fixedly connected with display.The utility model is from left to right respectively provided with first support bar and the 3rd supporting rod in the bottom of support base, and pass through the effect of the first active section and electric telescopic rod and the second active section and second support bar, it can meet regulatory demand of the people to rubbing surface angle of inclination, existing frictional experiment demonstrator is solved due to lacking the adjustment effect to rubbing surface angle of inclination, the problem of causing teacher to carry out planar friction, reducing frictional experiment effect.
Description
Technical field
Physical teaching aid technical field is the utility model is related to, is specially a kind of high school student's physics frictional experiment demonstration
Instrument.
Background technology
Physics is the research motion of matter most typically subject of rule and material basic structure, as taking the lead for natural science
Subject, physics research is greatly to universe, the as low as most basic forms of motion of all materials such as elementary particle and rule, therefore become
The Research foundation of other each natural branch of science, its theoretical construct make full use of working language of the mathematics as oneself, with
Test as the sole criterion for examining theoretical correctness, it is a current most accurate natural science subject, and frictional experiment is
It is resistance to test its in a short time by the friction testing accelerated for the actual position in face of friction of object or material
Friction, capability, but existing frictional experiment demonstrator causes teacher only due to lacking the adjustment effect to rubbing surface angle of inclination
Planar friction can be carried out, reduces frictional experiment effect, for this reason, a kind of it is proposed that high school student's physics frictional experiment demonstrator.
Utility model content
The purpose of this utility model is to provide a kind of high school student's physics frictional experiment demonstrator, possesses adjustable rubbing surface
The advantages of angle of inclination, solve existing frictional experiment demonstrator due to lacking the adjustment effect to rubbing surface angle of inclination,
The problem of causing teacher to carry out planar friction, reducing frictional experiment effect.
To achieve the above object, the utility model provides following technical solution：A kind of high school student's physics frictional experiment demonstration
Instrument, including support base, the bottom of the support base inner cavity are fixedly connected with storage battery, and the upper end on the right side of the support base inner cavity is consolidated
Surely verticality sensor is connected with, the upper right side of the support base inner cavity is movably installed with driving wheel, the support base inner cavity
Left upper end is movably installed with driven wheel, and driven wheel is connected by conveyer belt with capstan drive, the support base outer surface
Middle-end is fixedly connected with display, and the lower-left end of the support base outer surface is fixedly connected with controller, the bottom of the support base
Portion, which is from left to right fixedly connected sequentially, first support bar, the 3rd supporting rod and motor support base, the bottom of the first support bar
Electric telescopic rod is connected with by the first active section, the bottom of the 3rd supporting rod is flexibly connected by the second active section
There is second support bar, the upper surface of the motor support base is fixedly connected with motor, and the output shaft of motor passes through belt and active
Wheel is sequentially connected, and is fixedly connected with tensile test device on the right side of the support base, the top of the tensile test device inner cavity is fixed
Pulling force sensor is connected with, the bottom of the pulling force sensor is connected with spring by drawstring, and the bottom of spring passes through
Drawstring is connected with experiment block, and the lower end on the left of the tensile test device is fixedly connected with spacing wheeling support, the position-limited wheel
The inner surface of bearing is movably installed with position-limited wheel.
Preferably, the bottom of the electric telescopic rod and second support bar has been fixedly connected with foot pad, and the bottom of foot pad
It is fixedly connected with rubber pad.
Preferably, the junction of the motor and motor support base is fixedly connected with beam.
Preferably, the outer surface of the controller be from left to right fixedly connected sequentially have motor switch, sensing switch and
Lift adjustment knob.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, the utility model is from left to right respectively provided with first support bar and the 3rd supporting rod in the bottom of support base, and
By the effect of the first active section and electric telescopic rod and the second active section and second support bar, people can be met to rubbing surface
The regulatory demand at angle of inclination, solves existing frictional experiment demonstrator since the adjusting lacked to rubbing surface angle of inclination is made
With the problem of causing teacher to carry out planar friction, reduce frictional experiment effect.
2nd, lower end of the utility model on the left of tensile test device has been fixedly connected with spacing wheeling support, and in spacing wheeling support
Inner surface activity be mounted with position-limited wheel, experiment block can be made smoothly to be slided in transmission belt surface, improve the accuracy of experiment.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model support base internal structure schematic diagram；
Fig. 3 is the utility model tensile test device structure diagram；
Fig. 4 is the utility model controller architecture schematic diagram；
Fig. 5 is utility model works principle schematic.
In figure：1 support base, 2 driven wheels, 3 controllers, 31 motor switch, 32 sensing switch, 33 lift adjustment knobs, 4
First support bar, 5 first active sections, 6 electric telescopic rods, 7 foots pad, 8 second support bars, 9 second active sections, 10 the 3rd supports
Bar, 11 motors, 12 motor support bases, 13 driving wheels, 14 position-limited wheels, 15 spacing wheeling supports, 16 tensile test devices, 17 drawstrings, 18 are in fact
Test block, 19 displays, 20 conveyer belts, 21 storage batteries, 22 verticality sensors, 23 springs, 24 pulling force sensors.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
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 embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1-5, a kind of high school student's physics frictional experiment demonstrator, including support base 1, the bottom of 1 inner cavity of support base
Portion is fixedly connected with storage battery 21, and the upper end on the right side of 1 inner cavity of support base is fixedly connected with verticality sensor 22, can be convenient for people to
Observation to rubbing surface angle of inclination, the upper right side of 1 inner cavity of support base are movably installed with driving wheel 13, a left side for 1 inner cavity of support base
Upper end is movably installed with driven wheel 2, and driven wheel 2 is sequentially connected by conveyer belt 20 and driving wheel 13,1 outer surface of support base
Middle-end is fixedly connected with display 19, and the lower-left end of 1 outer surface of support base is fixedly connected with controller 3, the outer surface of controller 3
From left to right being fixedly connected sequentially has motor switch 31, sensing switch 32 and lift adjustment knob 33, the bottom of support base 1 from
Left-to-right be fixedly connected sequentially has first support bar 4, the 3rd supporting rod 10 and motor support base 12, and the bottom of first support bar 4 leads to
Cross the first active section 5 and be connected with electric telescopic rod 6, the bottom of the 3rd supporting rod 10 is flexibly connected by the second active section 9
There is second support bar 8, can meet regulatory demand of the people to rubbing surface angle of inclination, solve existing frictional experiment demonstrator
Due to lacking the adjustment effect to rubbing surface angle of inclination, cause teacher to carry out planar friction, reduce frictional experiment effect
The bottom of the problem of fruit, electric telescopic rod 6 and second support bar 8 has been fixedly connected with foot pad 7, and the bottom of foot pad 7 is fixed and connected
Rubber pad is connected to, the frictional force between increase and desktop, improves the stability of this demonstrator placement, the upper surface of motor support base 12 is consolidated
Surely it is connected with motor 11, the junction of motor 11 and motor support base 12 is fixedly connected with beam, reduces by 11 course of work of motor
The intensity of middle noise, extends the service life of motor 11, while decreases injury of the noise to people's sense of hearing, and motor 11
Output shaft be sequentially connected by belt and driving wheel 13, the right side of support base 1 is fixedly connected with tensile test device 16, and pulling force is surveyed
The top of 16 inner cavity of examination device is fixedly connected with pulling force sensor 24, and the bottom of pulling force sensor 24 is connected with by drawstring 17
Spring 23, and the bottom of spring 23 is connected with experiment block 18 by drawstring 17, the lower end in the left side of tensile test device 16 is fixed
Spacing wheeling support 15 is connected with, the inner surface of spacing wheeling support 15 is movably installed with position-limited wheel 14, and experiment block 18 can be made stable
Slided on 20 surface of conveyer belt, improve the accuracy of experiment.
In use, 4 and the 3rd supporting rod 10 of first support bar is from left to right respectively provided with the bottom of support base 1, and
By the effect of the first active section 5 and 6 and second active section 9 of electric telescopic rod and second support bar 8, people can be met to rubbing
The regulatory demand at wiping face angle of inclination, solves existing frictional experiment demonstrator due to lacking the tune to rubbing surface angle of inclination
Section acts on, the problem of causing teacher to carry out planar friction, reduce frictional experiment effect, in the left side of tensile test device 16
Lower end has been fixedly connected with spacing wheeling support 15, and is mounted with position-limited wheel 14 in the inner surface activity of spacing wheeling support 15, can make reality
Test block 18 smoothly to slide on 20 surface of conveyer belt, improve the accuracy of experiment.
In summary：High school student's physics frictional experiment demonstrator, is from left to right respectively provided with the bottom of support base 1
4 and the 3rd supporting rod 10 of first support bar, and pass through 6 and second active section 9 and second of the first active section 5 and electric telescopic rod
The effect of supporting rod 8, can meet regulatory demand of the people to rubbing surface angle of inclination, solve existing frictional experiment demonstrator
Due to lacking the adjustment effect to rubbing surface angle of inclination, cause teacher to carry out planar friction, reduce frictional experiment effect
The problem of fruit.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of high school student's physics frictional experiment demonstrator, including support base（1）, it is characterised in that：The support base（1）Inner cavity
Bottom be fixedly connected with storage battery（21）, the support base（1）Upper end on the right side of inner cavity is fixedly connected with verticality sensor
（22）, the support base（1）The upper right side of inner cavity is movably installed with driving wheel（13）, the support base（1）The left upper end of inner cavity
It is movably installed with driven wheel（2）, and driven wheel（2）Pass through conveyer belt（20）With driving wheel（13）It is sequentially connected, the support base
（1）The middle-end of outer surface is fixedly connected with display（19）, the support base（1）The lower-left end of outer surface is fixedly connected with control
Device（3）, the support base（1）Bottom be from left to right fixedly connected sequentially and have first support bar（4）, the 3rd supporting rod（10）With
Motor support base（12）, the first support bar（4）Bottom pass through the first active section（5）It is connected with electric telescopic rod（6）,
3rd supporting rod（10）Bottom pass through the second active section（9）It is connected with second support bar（8）, the motor support base
（12）Upper surface be fixedly connected with motor（11）, and motor（11）Output shaft pass through belt and driving wheel（13）Transmission connects
Connect, the support base（1）Right side be fixedly connected with tensile test device（16）, the tensile test device（16）The top of inner cavity is consolidated
Surely it is connected with pulling force sensor（24）, the pulling force sensor（24）Bottom pass through drawstring（17）It is connected with spring
（23）, and spring（23）Bottom pass through drawstring（17）It is connected with experiment block（18）, the tensile test device（16）Left side
Lower end be fixedly connected with spacing wheeling support（15）, the spacing wheeling support（15）Inner surface be movably installed with position-limited wheel
（14）.
A kind of 2. high school student's physics frictional experiment demonstrator according to claim 1, it is characterised in that：The electric expansion
Bar（6）And second support bar（8）Bottom be fixedly connected with foot pad（7）, and foot pad（7）Bottom be fixedly connected with rubber
Pad.
A kind of 3. high school student's physics frictional experiment demonstrator according to claim 1, it is characterised in that：The motor（11）
With motor support base（12）Junction be fixedly connected with beam.
A kind of 4. high school student's physics frictional experiment demonstrator according to claim 1, it is characterised in that：The controller
（3）Outer surface be from left to right fixedly connected sequentially and have motor switch（31）, sensing switch（32）With lift adjustment knob
（33）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720766329.8U CN207367448U (en) | 2017-06-28 | 2017-06-28 | A kind of high school student's physics frictional experiment demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720766329.8U CN207367448U (en) | 2017-06-28 | 2017-06-28 | A kind of high school student's physics frictional experiment demonstrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207367448U true CN207367448U (en) | 2018-05-15 |
Family
ID=62425309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720766329.8U Expired - Fee Related CN207367448U (en) | 2017-06-28 | 2017-06-28 | A kind of high school student's physics frictional experiment demonstrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207367448U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108577208A (en) * | 2018-05-24 | 2018-09-28 | 张方圆 | A kind of English newspaper reading device |
| CN112164283A (en) * | 2020-10-13 | 2021-01-01 | 孙嘉悦 | Presentation device for physical teaching |
-
2017
- 2017-06-28 CN CN201720766329.8U patent/CN207367448U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108577208A (en) * | 2018-05-24 | 2018-09-28 | 张方圆 | A kind of English newspaper reading device |
| CN112164283A (en) * | 2020-10-13 | 2021-01-01 | 孙嘉悦 | Presentation device for physical teaching |
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| 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: 20180515 Termination date: 20190628 |
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| CF01 | Termination of patent right due to non-payment of annual fee |