CN207441074U - A kind of teaching force of rolling friction contrast model - Google Patents
A kind of teaching force of rolling friction contrast model Download PDFInfo
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- CN207441074U CN207441074U CN201721136183.5U CN201721136183U CN207441074U CN 207441074 U CN207441074 U CN 207441074U CN 201721136183 U CN201721136183 U CN 201721136183U CN 207441074 U CN207441074 U CN 207441074U
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- rolling
- platform
- rolling platform
- egative film
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Abstract
The utility model discloses a kind of teaching force of rolling friction contrast models, including the first rolling platform and roll egative film, the right end of the first rolling platform is connected by rotation axis with the second rolling platform, and second rolling platform on the upside of be fixed with safe edge, baffle is fixed on the inside of the buffer substrate tablet, telescopic rod is connected on the downside of the first rolling platform, and the lower end of telescopic rod is fixed with main body, the both sides of the main body are equipped with parcel tray, and handle and famous brand are provided on front side of parcel tray, handle is provided on the downside of the famous brand, it is provided on the downside of the buffer substrate tablet and stores up slot, and it stores up and slide plate is installed on the right side of slot, parcel tray is provided on the outside of the rolling egative film.The teaching is provided with the first rolling platform, the second rolling platform and the 3rd rolling platform with force of rolling friction contrast model, the performance of whole device can be increased, parcel tray is provided in main body, different types of rolling egative film can be stored, enables devices to realize force of rolling friction caused by different types of material.
Description
Technical field
The utility model is related to force of rolling friction experimental provision technical fields, are specially a kind of teaching force of rolling friction pair
Compare model.
Background technology
Teaching is in force of rolling friction knowledge learning, for comparing differentiated friction power institute with force of rolling friction contrast model
The different-effect of embodiment when we learn force of rolling friction knowledge learning, is often explained, it is impossible to see rolling by teacher
Some states when dynamic friction generates, and then us will be increased and learn the difficulty of rolling friction knowledge, so just needing
The model of aided education, by teaching with exemplified by force of rolling friction contrast model, but some teaching compare mould with force of rolling friction
Type still there are problems that when in use, such as the contrast model functionality having is relatively simple, can not complete multiple and different kinds
The state of force of rolling friction produced by the material of class, the performance for the contrast model also having is poor, can be only done relatively simple
Frictional force contrast experiment, so we have proposed a kind of teaching force of rolling friction contrast model, in order to solve it is above-mentioned in
The problem of proposition.
Utility model content
The purpose of this utility model is to provide a kind of teaching force of rolling friction contrast model, to solve above-mentioned background skill
The problem of functional relatively simple and performance of contrast model currently on the market that art proposes is poor.
To achieve the above object, the utility model provides following technical solution：A kind of teaching compares mould with force of rolling friction
Type including the first rolling platform and rolls egative film, and the right end of the first rolling platform is connected by rotation axis with the second rolling platform, and second
Safe edge is fixed on the upside of rolling platform, the right end of the second rolling platform is connected with the 3rd rolling platform, and the right end of the 3rd rolling platform is provided with
Buffer substrate tablet is fixed with baffle on the inside of the buffer substrate tablet, telescopic rod is connected on the downside of the first rolling platform, and under telescopic rod
End is fixed with main body, and the both sides of the main body are equipped with parcel tray, and handle and famous brand are provided on front side of parcel tray, the name
Handle is provided on the downside of board, is provided on the downside of the buffer substrate tablet and stores up slot, and stores up and slide plate is installed on the right side of slot, it is described
It rolls and is provided with parcel tray on the outside of egative film.
Preferably, the first rolling platform, the second rolling platform and the 3rd rolling platform are both provided with two groups, and under the front end of the first rolling platform
Side is straight slot structure, and the 3rd rolling platform and main body is is fixedly connected with, and the first rolling platform rolls platform with second and second rolls platform and the
Rotational structure is formed by rotation axis between three rolling platforms.
Preferably, it is to be flexibly connected between the telescopic rod and the first rolling platform and main body.
Preferably, the parcel tray is provided with eight, and the species of the rolling egative film in parcel tray is different.
Preferably, it is described to store up slot and there are two slide plate is respectively provided with, and store up slot and slide plate corresponds, and slide plate with
Main body is to be slidably connected.
Preferably, it is described rolling egative film include egative film core and egative film main body, egative film main body in egative film core, and
The length of egative film main body is more than the sum of length of the first rolling platform, the second rolling platform and the 3rd rolling platform.
Compared with prior art, the beneficial effects of the utility model are：The teaching is set with force of rolling friction contrast model
There are the first rolling platform, the second rolling platform and the 3rd rolling platform, the performance of whole device can be increased, and then device can be made to complete not
With the frictional force contrast experiment of form, rolled first and be fixed with safe edge on platform, the second rolling platform and the 3rd rolling platform, can be effectively ensured
First rolling platform, the security performance of the second rolling platform and the 3rd rolling platform when in use, and then force of rolling friction contrast experiment can be improved
Success rate, telescopic rod is additionally provided on device, can make the first rolling platform, second rolling platform and the 3rd rolling platform be in different positions
It puts, and then facilitates the use of the first rolling platform, the second rolling platform and the 3rd rolling platform, parcel tray is provided in main body, can be stored not
Congener rolling egative film enables devices to force of rolling friction produced by realizing different types of material, and then increases entire dress
The functionality put, is additionally provided with handle and famous brand on parcel tray, can improve making for parcel tray with the use of convenient storage box
Use efficiency.
Description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model overlooking the structure diagram；
Fig. 3 is the utility model body interior structure diagram；
Fig. 4 rolls chassis construction schematic diagram for the utility model.
In figure：1st, the first rolling platform, the 2, rotation axis, 3, second rolling platform, 4, safe edge, the 5, the 3rd rolling platform, 6, buffer substrate tablet, 7, gear
Plate, 8, telescopic rod, 9, main body, 10, parcel tray, 11, handle, 12, famous brand, 13, store up slot, 14, slide plate, 15, roll egative film,
1501st, egative film core, 1502, egative film main body.
Specific 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
It clearly and completely describes, 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.
- 4 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of teaching force of rolling friction contrast model,
Including first rolling platform 1, rotation axis 2, second roll platform 3, safe edge the 4, the 3rd roll platform 5, buffer substrate tablet 6, baffle 7, telescopic rod 8, main body 9,
Parcel tray 10, handle 11, famous brand 12, store up slot 13, slide plate 14 and roll egative film 15, first rolling platform 1 right end pass through rotation axis 2
It is connected with the second rolling platform 3, and the upside of the second rolling platform 3 is fixed with safe edge 4, the first rolling platform 1, second rolls platform 3 and the 3rd and rolls platform 5
Two groups are both provided with, and is straight slot structure on the downside of the front end of the first rolling platform 1, the 3rd rolling platform 5 is to be fixedly connected with main body 9, and
First rolling platform 1 and second rolls between platform 3 and second rolls the rolling platform 5 of platform 3 and the 3rd and forms rotational structure by rotation axis 2, can
To increase the performance of whole device, and then device can be made to complete various forms of frictional force contrast experiments, the second rolling platform 3
Right end be connected with the 3rd rolling platform 5, and the 3rd rolling platform 5 right end be provided with buffer substrate tablet 6, the inside of buffer substrate tablet 6 is fixed with baffle
7, the downside of the first rolling platform 1 is connected with telescopic rod 8, and the lower end of telescopic rod 8 is fixed with main body 9, and telescopic rod 8 and first rolls platform 1
It is flexible connection between main body 9, the first rolling platform 1 and the second rolling platform 3 can be made to be in different positions, and then facilitate first
It rolls platform 1, second and rolls the use that platform 3 and the 3rd rolls platform 5, the both sides of main body 9 are equipped with parcel tray 10, and the front side of parcel tray 10 is set
Handle 11 and famous brand 12 are equipped with, parcel tray 10 is provided with eight, and the species of the rolling egative film 15 in parcel tray 10 is different,
Force of rolling friction produced by realizing different types of material is enabled devices to, and then increases the functionality of whole device, famous brand 12
Downside be provided with handle 11, the downside of buffer substrate tablet 6, which is provided with, stores up slot 13, and the right side for storing up slot 13 is equipped with slide plate 14,
Store up slot 13 and there are two slide plate 14 is respectively provided with, and store up slot 13 and slide plate 14 corresponds, and slide plate 14 with main body 9 to slide
Dynamic connection, can facilitate and be collected work to experiment product, and to improve conventional efficient, the outside for rolling egative film 15 is provided with storing
Box 10, rolling egative film 15 includes egative film core 1501 and egative film main body 1502, and egative film main body 1502 is wound on egative film core 1501
On, and the length of egative film main body 1502 is more than the first rolling platform 1, second and rolls the sum of length of the rolling platform 5 of platform 3 and the 3rd, ensure that rolling
The normal use of dynamic egative film 15.
Operation principle：When using the teaching force of rolling friction contrast model, first according to the famous brand on parcel tray 10
12 determine the rolling egative film 15 of experiment, open parcel tray 10 by handle 11 after determining, then will be in parcel tray 10
It rolls egative film 15 and takes out opening, egative film core 1501 is installed in the straight slot structure of 1 front end of the first rolling platform, then by egative film master
Body 1502 is laid on the first rolling platform 1, second rolling platform 3 and the 3rd and rolls on platform 5, rolls platform 1, second at another group first and rolls platform 3 and the
Three rolling platforms 5 on also install one it is different types of roll egative film 15, the contrast experiment that force of rolling friction can be carried out afterwards,
When contrast experiment starts, bead will be rolled and be placed on two group of first same position rolled on platform 1, it is identical to rolling bead application
Power rolls bead and is rolled on different types of rolling egative film 15, and then can be by rolling the rolling condition of bead
The comparison of force of rolling friction is carried out, when needing different experimental conditions, can the first rolling platform 1 be changed by lift telescopic bar 8
With the second rolling 3 state in which of platform, carry out rolling the rolling of bead again afterwards, it is possible to obtain force of rolling friction under different condition
Comparing result, and roll small club after testing and impinge upon on the buffer substrate tablet 6 of baffle 7, finally fall into and store up slot 13, to prevent from rolling
The loss of dynamic bead, and then increase the performance of whole device.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, can still modify to the technical solution recorded in foregoing embodiments or to which part technical characteristic into
Row equivalent substitution, within the spirit and principle of the utility model, any modifications, equivalent replacements and improvements are made should all
It is included within the scope of protection of this utility model.
Claims (6)
1. a kind of teaching force of rolling friction contrast model including the first rolling platform (1) and rolls egative film (15), it is characterised in that：
The right end of the first rolling platform (1) is connected by rotation axis (2) with the second rolling platform (3), and the upside of the second rolling platform (3) is fixed
Have a safe edge (4), the right end of the second rolling platform (3) is connected with the 3rd rolling platform (5), and the right end of the 3rd rolling platform (5) be provided with it is slow
Punching (6) is fixed with baffle (7) on the inside of the buffer substrate tablet (6), telescopic rod is connected on the downside of the first rolling platform (1)
(8), and the lower end of telescopic rod (8) is fixed with main body (9), and the both sides of the main body (9) are equipped with parcel tray (10), and parcel tray
(10) handle (11) and famous brand (12) are provided on front side of, handle (11), the buffering are provided on the downside of the famous brand (12)
It is provided on the downside of piece (6) and stores up slot (13), and stored up and slide plate (14) is installed on the right side of slot (13), the rolling egative film (15)
Outside be provided with parcel tray (10).
2. a kind of teaching force of rolling friction contrast model according to claim 1, it is characterised in that：The first rolling platform
(1), the second rolling platform (3) and the 3rd rolling platform (5) are both provided with two groups, and are straight slot structure on the downside of the front end of the first rolling platform (1), the
Three rolling platforms (5) with main body (9) to be fixedly connected, and the first rolling platform (1) and the second rolling platform (3) and the second rolling platform (3) and the
Rotational structure is formed by rotation axis (2) between three rolling platforms (5).
3. a kind of teaching force of rolling friction contrast model according to claim 1, it is characterised in that：The telescopic rod
(8) it is to be flexibly connected between the first rolling platform (1) and main body (9).
4. a kind of teaching force of rolling friction contrast model according to claim 1, it is characterised in that：The parcel tray
(10) eight are provided with, and the species of the rolling egative film (15) in parcel tray (10) is different.
5. a kind of teaching force of rolling friction contrast model according to claim 1, it is characterised in that：It is described to store up slot
(13) and there are two slide plate (14) is respectively provided with, and slot (13) is stored up and slide plate (14) corresponds, and slide plate (14) and main body
(9) it is to be slidably connected.
6. a kind of teaching force of rolling friction contrast model according to claim 1, it is characterised in that：The rolling egative film
(15) include egative film core (1501) and egative film main body (1502), egative film main body (1502) in egative film core (1501),
And the length of egative film main body (1502) is more than the sum of length of the first rolling platform (1), the second rolling platform (3) and the 3rd rolling platform (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721136183.5U CN207441074U (en) | 2017-09-06 | 2017-09-06 | A kind of teaching force of rolling friction contrast model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721136183.5U CN207441074U (en) | 2017-09-06 | 2017-09-06 | A kind of teaching force of rolling friction contrast model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207441074U true CN207441074U (en) | 2018-06-01 |
Family
ID=62301259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721136183.5U Expired - Fee Related CN207441074U (en) | 2017-09-06 | 2017-09-06 | A kind of teaching force of rolling friction contrast model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207441074U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108922339A (en) * | 2018-06-14 | 2018-11-30 | 吴昊璋 | A kind of friction force demonstration device for physics teaching |
-
2017
- 2017-09-06 CN CN201721136183.5U patent/CN207441074U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108922339A (en) * | 2018-06-14 | 2018-11-30 | 吴昊璋 | A kind of friction force demonstration device for physics 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20190906 |