CN206946781U - A kind of Middle School Physics frictional force experimental demonstration device - Google Patents
A kind of Middle School Physics frictional force experimental demonstration device Download PDFInfo
- Publication number
- CN206946781U CN206946781U CN201720468119.0U CN201720468119U CN206946781U CN 206946781 U CN206946781 U CN 206946781U CN 201720468119 U CN201720468119 U CN 201720468119U CN 206946781 U CN206946781 U CN 206946781U
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- China
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- supporting plate
- damper
- upside
- frictional force
- hook code
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Abstract
The utility model discloses a kind of Middle School Physics frictional force experimental demonstration device,Including the first supporting plate,First damper,Second supporting plate,Second damper,Grab,Bearing,Base,Expansion link,Display,Rub inductor,3rd supporting plate,Resistance to compression damping,Universal wheel,Wooden unit,Spring,Weight beam,Suspension ring,First hook code,Second hook code and the 3rd hook code,The upside of the base is provided with the expansion link,The right side of the expansion link is provided with the display,The upside of the expansion link is provided with the 3rd supporting plate,The both sides of 3rd supporting plate are provided with the grab,The upside both ends of 3rd supporting plate are provided with second damper,The utility model can be good at adjusting gradient size,It is capable of detecting when more factors for influenceing frictional force,Preferably test carriage is come out by the time showing used in different supporting plates,Influence of the different materials to frictional force can be measured,More convenient operation.
Description
Technical field
It the utility model is related to physics to be tested with frictional force, specially a kind of Middle School Physics are filled with frictional force experimental demonstration
Put.
Background technology
Existing device can not change the material of supporting plate at any time when in use, and inconvenience is provided for user, also have
Device is not provided with rub inductor and display, it is impossible to and it is quick to read time of the test carriage by different supporting plates, waste
Time, the device also having are not provided with expansion link, it is impossible to measure influence of the gradient to frictional force, reduce to influenceing frictional force
The detection of factor.
Utility model content
The purpose of this utility model is to provide a kind of Middle School Physics frictional force experimental demonstration device, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme：A kind of Middle School Physics frictional force
Experimental demonstration device, including the first supporting plate, the first damper, the second supporting plate, the second damper, grab, bearing, base,
Expansion link, display, friction inductor, the 3rd supporting plate, resistance to compression damping, universal wheel, wooden unit, spring, weight beam, hang
Ring, the first hook code, second hook code and the 3rd hook code, it is characterised in that：The upside of the base is provided with the expansion link, described to stretch
The right side of contracting bar is provided with the display, and the upside of the expansion link is provided with the 3rd supporting plate, the 3rd supporting plate
The left and right sides is equipped with the grab, is provided with the friction inductor in the 3rd supporting plate, the 3rd supporting plate it is upper
Side both ends are provided with second damper, and the upside of second damper is provided with second supporting plate, second support
The upside of plate is provided with first damper, is provided with first supporting plate on the upside of first damper, under the base
Side is provided with the resistance to compression damping, and the lower section of the resistance to compression damping is provided with the universal wheel, and the upside of first supporting plate is provided with
The wooden unit, the inside of the wooden unit are provided with the second hook code, and the left side of the second hook code is provided with the first hook code, institute
State and be provided with the 3rd hook code on the right side of second hook code, the left side of the wooden unit is provided with the weight beam, the spring dynamometry
The right side of meter is provided with the spring, and the left side of the weight beam is provided with the suspension ring, the display and the abrasive feel
Device is answered to be electrically connected with.
Further, the bearing is provided between the 3rd supporting plate and the base.
Further, first supporting plate is a kind of component of smooth material, and second supporting plate is frosted material,
3rd supporting plate is a kind of component of ox-hide material.
Further, the grab is to be rotatably connected with the 3rd supporting plate.
Further, first damper and second damper are formed by spring.
Compared with prior art, the beneficial effect that the utility model is reached is：This kind of Middle School Physics are tested with frictional force
Apparatus for demonstrating, the first damper and the second damper of setting, supporting plate is adjusted during convenient use, by using different
Supporting plate, the registration shown by weight beam, the extra coarse degree for learning contact surface be influence frictional force size an important factor for,
Provided conveniently for user, by setting grab, supporting plate can be arbitrarily adjusted when in use, by setting expansion link, energy
Enough regulation gradient sizes well, are capable of detecting when more factors for influenceing frictional force, preferably will be real by setting display
Test dolly to come out by the time showing used in different supporting plates, influence of the different materials to frictional force can be measured, operation is more
It is convenient.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is structural representation of the present utility model；
In figure：1st, the first supporting plate；2nd, the first damper；3rd, the second supporting plate；4th, the second damper；5th, grab；6th, axle
Hold；7th, base；8th, expansion link；9th, display；10th, rub inductor；11st, the 3rd supporting plate；12nd, resistance to compression damping；13rd, it is universal
Wheel；14th, wooden unit；15th, spring；16th, weight beam；17th, suspension ring；18th, the first hook code；19th, second hook code；20th, the 3rd hook code.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
Embodiment
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of Middle School Physics are filled with frictional force experimental demonstration
Put, including it is the first supporting plate 1, the first damper 2, the second supporting plate 3, the second damper 4, grab 5, bearing 6, base 7, flexible
Bar 8, display 9, friction inductor 10, the 3rd supporting plate 11, resistance to compression damping 12, universal wheel 13, wooden unit 14, spring 15, spring
Dynamometer 16, suspension ring 17, the first hook code 18, the hook code 20 of second hook code 19 and the 3rd, it is characterised in that：The upside of the base 7
Provided with the expansion link 8, the right side of the expansion link 8 is provided with the display 9, and the upside of the expansion link 8 is provided with described the
Three supporting plates 11, the left and right sides of the 3rd supporting plate 11 are equipped with the grab 5, institute are provided with the 3rd supporting plate 11
Friction inductor 10 is stated, the upside both ends of the 3rd supporting plate 11 are provided with second damper 4, second damper 4
Upside be provided with second supporting plate 3, the upside of second supporting plate 3 is provided with first damper 2, and described first subtracts
The upside of shake device 2 is provided with first supporting plate 1, and the downside of the base 7 is provided with the resistance to compression damping 12, the resistance to compression damping 12
Lower section be provided with the universal wheel 13, the upside of first supporting plate 1 is provided with the wooden unit 14, and the inside of the wooden unit 14 is set
There is the second hook code 19, the left side of the second hook code 19 is provided with the first hook code 18, the right side of the second hook code 19
Provided with the 3rd hook code 20, the left side of the wooden unit 14 is provided with the weight beam 16, the right side of the weight beam 16
Side is provided with the spring 15, and the left side of the weight beam 16 is provided with the suspension ring 17, the display 9 and the abrasive feel
Device 10 is answered to be electrically connected with.
Further, bearing 6 is provided between the 3rd supporting plate 11 and base 7, the 3rd supporting plate 11 is passed through axle with base 7
6 connections are held, reduce friction, improve operational efficiency.
Further, the first supporting plate 1 is a kind of component of smooth material, and the second supporting plate 3 is frosted material, the 3rd
Fagging 11 is a kind of component of ox-hide material, sets different materials, and the degree of roughness of contact surface is capable of detecting when by experiment
It is an important factor for influenceing frictional force size.
Further, grab 5 is conveniently replaceable the supporting plate of unlike material, improved with the 3rd supporting plate 11 to be rotatably connected
Operating efficiency.
Further, the first damper 2 and the second damper 4 are formed by spring so that the first damper 2 and second subtracts
There is certain elasticity tension between shake device 4.
Operation principle：This kind of Middle School Physics frictional force experimental demonstration device, the upside of base 7 are provided with expansion link 8, stretch
The right side of bar 8 is provided with display 9, by setting display 9, preferably by test carriage by different supporting plates used in time
Show, can measure influence of the different materials to frictional force, the upside of expansion link 8 is provided with the 3rd supporting plate 11, the 3rd
Bearing 6 is provided between fagging 11 and base 7, the 3rd supporting plate 11 is connected with base 7 by bearing 6, reduces friction, improves fortune
Line efficiency, the left and right sides of the 3rd supporting plate 11 are equipped with grab 5, and grab 5, to be rotatably connected, is easy to more with the 3rd supporting plate 11
The supporting plate of unlike material is changed, operating efficiency is improved, friction inductor 10 is provided with the 3rd supporting plate 11, the 3rd supporting plate 11
Upside both ends are provided with the second damper 4, and the upside of the second damper 4 is provided with the second supporting plate 3, and the upside of the second supporting plate 3 is set
There is the first damper 2, the first damper 2 and the second damper 4 are formed by spring so that the first damper 2 and the second damping
There is certain elasticity tension, the upside of the first damper 2 is provided with the first supporting plate 1, because supporting plate is arranged to different between device 4
Material, be easy to relatively rough degree difference influences on frictional force size, and the downside of base 7 is provided with resistance to compression damping 12, and resistance to compression subtracts
The lower section of shake 12 is provided with universal wheel 13, and as needed, the position of adjusting apparatus, the upside of the first supporting plate 1 is provided with wooden unit 14, wood
The inside of block 14 is provided with second hook code 19, and the left side of second hook code 19 is provided with the first hook code 18, and the right side of second hook code 19 is provided with
3rd hook code 20, the left side of wooden unit 14 are provided with weight beam 16, and the right side of weight beam 16 is provided with spring 15, spring dynamometry
The left side of meter 16 is provided with suspension ring 17, and the registration shown by weight beam 16 is it is known that the degree of roughness and pressure of contact surface
The size of power is to influence two key factors of frictional force size.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (5)
1. a kind of Middle School Physics frictional force experimental demonstration device, including the first supporting plate（1）, the first damper（2）, second
Fagging（3）, the second damper（4）, grab（5）, bearing（6）, base（7）, expansion link（8）, display（9）, friction inductor
（10）, the 3rd supporting plate（11）, resistance to compression damping（12）, universal wheel（13）, wooden unit（14）, spring（15）, weight beam（16）、
Suspension ring（17）, the first hook code（18）, second hook code（19）With the 3rd hook code（20）, it is characterised in that：The base（7）Upside
Provided with the expansion link（8）, the expansion link（8）Right side be provided with the display（9）, the expansion link（8）Upside set
There is the 3rd supporting plate（11）, the 3rd supporting plate（11）The left and right sides be equipped with the grab（5）, described 3rd
Fagging（11）It is interior to be provided with the friction inductor（10）, the 3rd supporting plate（11）Upside both ends be provided with second damping
Device（4）, second damper（4）Upside be provided with second supporting plate（3）, second supporting plate（3）Upside set
There is first damper（2）, first damper（2）Upside is provided with first supporting plate（1）, the base（7）'s
Downside is provided with the resistance to compression damping（12）, the resistance to compression damping（12）Lower section be provided with the universal wheel（13）, described first
Fagging（1）Upside be provided with the wooden unit（14）, the wooden unit（14）Inside be provided with the second hook code（19）, described second
Hook code（19）Left side be provided with the first hook code（18）, the second hook code（19）Right side be provided with the 3rd hook code
（20）, the wooden unit（14）Left side be provided with the weight beam（16）, the weight beam（16）Right side be provided with institute
State spring（15）, the weight beam（16）Left side be provided with the suspension ring（17）, the display（9）With the abrasive feel
Answer device（10）It is electrically connected with.
A kind of 2. Middle School Physics frictional force experimental demonstration device according to claim 1, it is characterised in that：It is described
3rd supporting plate（11）With the base（7）Between be provided with the bearing（6）.
A kind of 3. Middle School Physics frictional force experimental demonstration device according to claim 1, it is characterised in that：Described first
Supporting plate（1）For a kind of component of smooth material, second supporting plate（3）For frosted material, the 3rd supporting plate（11）
For a kind of component of ox-hide material.
A kind of 4. Middle School Physics frictional force experimental demonstration device according to claim 1, it is characterised in that：The grab
（5）With the 3rd supporting plate（11）For rotatable connection.
A kind of 5. Middle School Physics frictional force experimental demonstration device according to claim 1, it is characterised in that：Described first
Damper（2）With second damper（4）Formed by spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720468119.0U CN206946781U (en) | 2017-04-29 | 2017-04-29 | A kind of Middle School Physics frictional force experimental demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720468119.0U CN206946781U (en) | 2017-04-29 | 2017-04-29 | A kind of Middle School Physics frictional force experimental demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206946781U true CN206946781U (en) | 2018-01-30 |
Family
ID=61360005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720468119.0U Expired - Fee Related CN206946781U (en) | 2017-04-29 | 2017-04-29 | A kind of Middle School Physics frictional force experimental demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206946781U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362405A (en) * | 2018-02-09 | 2018-08-03 | 樊睿华 | A kind of weight beam |
| CN109671339A (en) * | 2019-02-26 | 2019-04-23 | 马子羿 | A kind of frictional force experimental demonstration device |
| CN111462596A (en) * | 2020-01-22 | 2020-07-28 | 南宁学院 | Friction experiment demonstration device for physics experiments |
-
2017
- 2017-04-29 CN CN201720468119.0U patent/CN206946781U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362405A (en) * | 2018-02-09 | 2018-08-03 | 樊睿华 | A kind of weight beam |
| CN109671339A (en) * | 2019-02-26 | 2019-04-23 | 马子羿 | A kind of frictional force experimental demonstration device |
| CN111462596A (en) * | 2020-01-22 | 2020-07-28 | 南宁学院 | Friction experiment demonstration device for physics experiments |
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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: 20180130 Termination date: 20180429 |