CN206574341U - A kind of physics teaching friction force demonstration device - Google Patents
A kind of physics teaching friction force demonstration device Download PDFInfo
- Publication number
- CN206574341U CN206574341U CN201720179788.6U CN201720179788U CN206574341U CN 206574341 U CN206574341 U CN 206574341U CN 201720179788 U CN201720179788 U CN 201720179788U CN 206574341 U CN206574341 U CN 206574341U
- Authority
- CN
- China
- Prior art keywords
- strut
- support shaft
- scale
- pull bar
- chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model is related to a kind of physics teaching friction force demonstration device, motor is installed in second support, the upper end of motor is provided with the second support shaft, installation crossbeam is installed in the second support shaft, crossbeam is installed and slides chamber provided with strut, strut slides intracavitary and is provided with strut, multiple objective tables are installed on strut, pressing plate is installed on strut, spring mounting seat is installed in second support shaft, spring is installed on spring mounting seat, drawing plate is installed on spring, scale and pull bar are installed on drawing plate, casing is installed in first support, first support shaft is installed on casing, pull bar is installed in the first support shaft and slides chamber and scale cunning chamber, scale is slidably mounted on scale and slides intracavitary, pull bar is slidably mounted on pull bar and slides intracavitary, one end of motor is provided with rotating shaft, rotating cylinder is installed in rotating shaft, rotating cylinder installs outside the enclosure.The utility model is simple in construction, easy for installation, can effectively improve the enjoyment that frictional force is imparted knowledge to students in physics teaching, improves the quality and efficiency of teaching.
Description
Technical field
The utility model is related to teaching equipment field, and in particular to a kind of physics teaching friction force demonstration device.
Background technology
Frictional force is an important unit in physical phenomenon in physics teaching, but in current frictional force teaching,
Generally existing efficiency of teaching is low, and effect is poor, interesting low problem, therefore needs a kind of physics teaching friction force demonstration of design badly
Device solves the problems of the prior art.
Utility model content
The purpose of this utility model is that the defect for being directed to above-mentioned prior art is drilled there is provided a kind of physics teaching with frictional force
Show device, it is simple in construction, it is easy for installation, the enjoyment that frictional force is imparted knowledge to students in physics teaching can be effectively improved, the quality of teaching is improved
And efficiency.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of physics teaching friction force demonstration device, including first support, casing, handle, pull bar, pull bar slide chamber, first
Support shaft, scale slide chamber, scale, drawing plate, pressing plate, objective table, installation crossbeam, strut, strut and slide chamber, the second support shaft, bullet
Spring, spring mounting seat, rotating shaft, motor, second support, rotating cylinder, rotating cylinder inner chamber, first face, second face and the 3rd face, its
In：Motor is installed, the upper end of the motor, which is provided with the second support shaft, second support shaft, pacifies in the second support
Equipped with crossbeam is installed, the installation crossbeam slides chamber provided with strut, and the strut cunning intracavitary, which is provided with strut, the strut, to be installed
There are multiple objective tables, the strut is provided with pressing plate, second support shaft away from the one end for installing crossbeam and is provided with spring
Mounting seat, the one end of the spring mounting seat away from the second support shaft is provided with spring, and the spring is away from spring mounting seat
One end is provided with drawing plate, and the one end of the drawing plate away from spring is provided with scale and pull bar, the first support and installed
Have and the first support shaft is installed on casing, the casing, pull bar is installed in first support shaft and slides chamber and scale cunning chamber, institute
State scale and be slidably mounted on scale cunning intracavitary, the pull bar is slidably mounted on pull bar and slides intracavitary, and one end of the motor is provided with
Rotating shaft, the one end of the rotating shaft away from motor is provided with rotating cylinder, and the rotating cylinder installs outside the enclosure.
Preferably, first face, second face and the 3rd face, described first are distributed with the outer wall of the rotating cylinder
Face, second face are different with the surface roughness in the 3rd face.
Preferably, the drawing plate is close to drum surface arrangement.
Preferably, the pressing plate is close to drawing plate surface layout.
The utility model is simple in construction, easy for installation, can effectively improve the enjoyment that frictional force is imparted knowledge to students in physics teaching, carry
The quality and efficiency of height teaching.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of physics teaching friction force demonstration device front view；
Fig. 2 be the utility model proposes a kind of physics teaching friction force demonstration device sectional view；
Fig. 3 be the utility model proposes a kind of physics teaching friction force demonstration device in rotating cylinder side view；
In figure, 1, first support；2nd, casing；3rd, handle；4th, pull bar；5th, pull bar slides chamber；6th, the first support shaft；7th, scale is slided
Chamber；8th, scale；9th, drawing plate；10th, pressing plate；11st, objective table；The 12nd, crossbeam is installed；13rd, strut；14th, strut slides chamber；15th, second
Support shaft；16th, spring；17th, spring mounting seat；18th, rotating shaft；19th, motor；20th, second support；21st, rotating cylinder；22nd, rotating cylinder inner chamber；
23rd, first face；24th, second face；25th, the 3rd face.
Embodiment
Embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1, Figure 2 and Figure 3, Fig. 1 be the utility model proposes a kind of physics teaching friction force demonstration device
Front view；Fig. 2 be the utility model proposes a kind of physics teaching friction force demonstration device sectional view；Fig. 3 is that this practicality is new
A kind of side view for physics teaching rotating cylinder in friction force demonstration device that type is proposed.
Reference picture 1, Fig. 2 and Fig. 3, the utility model proposes a kind of physics teaching friction force demonstration device, including first
Frame 1, casing 2, handle 3, pull bar 4, pull bar slide chamber 5, the first support shaft 6, scale and slide chamber 7, scale 8, drawing plate 9, pressing plate 10, load
Thing platform 11, install crossbeam 12, strut 13, strut slide chamber 14, the second support shaft 15, spring 16, spring mounting seat 17, rotating shaft 18,
Motor 19, second support 20, rotating cylinder 21, rotating cylinder inner chamber 22, first face 23, second face 24 and the 3rd face 25, wherein：Institute
State and motor 19 is installed in second support 20, the upper end of the motor 19 is provided with the second support shaft 15, second support shaft
Installation crossbeam 12 is installed, the installation crossbeam 12 slides chamber 14 provided with strut, and the strut, which is slided, is provided with strut in chamber 14 on 15
13, multiple objective tables 11 are installed, the strut 13 is provided with pressing plate 10 away from the one end for installing crossbeam 12 on the strut 13,
Spring mounting seat 17, one end peace of the spring mounting seat 17 away from the second support shaft 15 are installed in second support shaft 15
Equipped with spring 16, the described one end of spring 16 away from spring mounting seat 17 is provided with drawing plate 9, and the drawing plate 9 is away from spring
16 one end, which is provided with scale 8 and pull bar 4, the first support 1, is provided with casing 2, and first is provided with the casing 2
Support and pull bar cunning chamber 5 and scale cunning chamber 7 are installed in axle 6, first support shaft 6, the scale 8 is slidably mounted on scale and slides chamber
In 7, the pull bar 4 is slidably mounted on pull bar and slided in chamber 5, and one end of the motor 19 is provided with rotating shaft 18, and the rotating shaft 18 is remote
One end from motor 19 is provided with rotating cylinder 21, and the rotating cylinder 21 is arranged on outside casing 2.
During specific design, first face 23, second face 24 and the 3rd are distributed with the outer wall of the rotating cylinder 21
Cylinder face 25, first face 23, second face 24 are different with the surface roughness in the 3rd face 25.
During specific design, the drawing plate 9 is close to the surface layout of rotating cylinder 21.
During specific design, the pressing plate 10 is close to the surface layout of drawing plate 9.
The utility model is simple in construction, easy for installation, can effectively improve the enjoyment that frictional force is imparted knowledge to students in physics teaching, carry
The quality and efficiency of height teaching.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession
The technology people of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model can also
There are various changes and modifications, these changes and improvements are both fallen within the range of claimed the utility model.The utility model will
Protection domain is sought by appended claims and its equivalent thereof.
Claims (4)
1. a kind of physics teaching friction force demonstration device, it is characterised in that including first support（1）, casing（2）, handle（3）、
Pull bar（4）, pull bar slide chamber（5）, the first support shaft（6）, scale slide chamber（7）, scale（8）, drawing plate（9）, pressing plate（10）, loading
Platform（11）, install crossbeam（12）, strut（13）, strut slide chamber（14）, the second support shaft（15）, spring（16）, spring mounting seat
（17）, rotating shaft（18）, motor（19）, second support（20）, rotating cylinder（21）, rotating cylinder inner chamber（22）, first tin face（23）, second tin
Face（24）With the 3rd face（25）, wherein：The second support（20）On motor is installed（19）, the motor（19）Upper end
Second support shaft is installed（15）, second support shaft（15）On installation crossbeam is installed（12）, the installation crossbeam（12）
Chamber is slided provided with strut（14）, the strut cunning chamber（14）It is interior to be provided with strut（13）, the strut（13）On multiple loads are installed
Thing platform（11）, the strut（13）Away from installation crossbeam（12）One end pressing plate is installed（10）, second support shaft（15）
On spring mounting seat is installed（17）, the spring mounting seat（17）Away from the second support shaft（15）One end spring is installed
（16）, the spring（16）Away from spring mounting seat（17）One end drawing plate is installed（9）, the drawing plate（9）Away from bullet
Spring（16）One end scale is installed（8）And pull bar（4）, the first support（1）On casing is installed（2）, the casing（2）
On the first support shaft is installed（6）, first support shaft（6）On be provided with pull bar slide chamber（5）Chamber is slided with scale（7）, it is described
Scale（8）It is slidably mounted on scale and slides chamber（7）It is interior, the pull bar（4）It is slidably mounted on pull bar and slides chamber（5）It is interior, the motor
（19）One end rotating shaft is installed（18）, the rotating shaft（18）Away from motor（19）One end rotating cylinder is installed（21）, described turn
Cylinder（21）Installed in casing（2）Outside.
2. physics teaching according to claim 1 friction force demonstration device, it is characterised in that the rotating cylinder（21）Outer wall
On first face is distributed with（23）, second tin face（24）With the 3rd face（25）, first face（23）, second tin face（24）
With the 3rd face（25）Surface roughness it is different.
3. physics teaching according to claim 1 friction force demonstration device, it is characterised in that the drawing plate（9）It is close to
Rotating cylinder（21）Surface layout.
4. physics teaching according to claim 1 friction force demonstration device, it is characterised in that the pressing plate（10）It is close to draw
Stretch plate（9）Surface layout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720179788.6U CN206574341U (en) | 2017-02-27 | 2017-02-27 | A kind of physics teaching friction force demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720179788.6U CN206574341U (en) | 2017-02-27 | 2017-02-27 | A kind of physics teaching friction force demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206574341U true CN206574341U (en) | 2017-10-20 |
Family
ID=60059875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720179788.6U Expired - Fee Related CN206574341U (en) | 2017-02-27 | 2017-02-27 | A kind of physics teaching friction force demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206574341U (en) |
-
2017
- 2017-02-27 CN CN201720179788.6U patent/CN206574341U/en not_active Expired - Fee Related
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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: 20171020 Termination date: 20180227 |