CN206672467U - A kind of physical and mechanical experiment demonstration board - Google Patents
A kind of physical and mechanical experiment demonstration board Download PDFInfo
- Publication number
- CN206672467U CN206672467U CN201720164055.5U CN201720164055U CN206672467U CN 206672467 U CN206672467 U CN 206672467U CN 201720164055 U CN201720164055 U CN 201720164055U CN 206672467 U CN206672467 U CN 206672467U
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- CN
- China
- Prior art keywords
- demonstration board
- pulling force
- physical
- drawstring
- sliding blocks
- Prior art date
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Abstract
The utility model discloses a kind of physical and mechanical experiment demonstration board,Including demonstration board,Telescopic supporting rod is provided with the downside of the demonstration board,Base is provided with the downside of the telescopic supporting rod,The Its lower side is provided with universal wheel,Shield is provided with the upside of the demonstration board,LED is provided with the shield,The demonstration board side is provided with board,Bevel protractor and slide rail are provided with the demonstration board,The bevel protractor is located at slide rail side,Slided on the slide rail and be provided with two sliding blocks,Pointer is provided with described two sliding blocks,Described two sliding blocks are connected by pulling force sensor and two spring one ends respectively,Two spring other ends are joined by drawstring and a bit,The drawstring other end is connected by spring with pulling force sensor,The pulling force sensor is connected by drawstring with draw ring,The draw ring is socketed on hook.The utility model is provided with anion generator by demonstration board side, can be good at changing indoor environment, improves practicality.
Description
Technical field
Educational aid technical field is the utility model is related to, specially a kind of physical and mechanical experiment demonstration board.
Background technology
At present, teacher is only told about by teaching material, had when being that classmates explain force resolution with synthesis on classroom
Classmates can not specify the relation between various power, and existing demonstration board is stable there is many defects, such as practicality are poor
Property it is poor, the angle of presentation process medium-resolution can not be changed, operation is not convenient enough, and great inconvenience is brought to teaching.
Utility model content
The purpose of this utility model is to provide a kind of physical and mechanical experiment demonstration board, to solve to carry in above-mentioned background technology
The practicality that goes out is poor, less stable, operation angle problem that is not convenient enough and can not changing decomposing force.
To achieve the above object, the utility model provides following technical scheme：A kind of physical and mechanical experiment demonstration board, including
Demonstration board, telescopic supporting rod is provided with the downside of the demonstration board, is provided with base on the downside of the telescopic supporting rod, under the base
Side is provided with universal wheel, is provided with shield on the upside of the demonstration board, LED, the demonstration board side are provided with the shield
Board is provided with, is provided with bevel protractor and slide rail on the demonstration board, the bevel protractor is located at slide rail side, on the slide rail
Slip is provided with two sliding blocks, is provided with pointer on described two sliding blocks, described two sliding blocks respectively by pulling force sensor and
Two spring one end connections, two spring other ends are joined by drawstring and a bit, and the drawstring other end passes through spring
Connected with pulling force sensor, the pulling force sensor is connected by drawstring with draw ring, and the draw ring is socketed on hook.
Preferably, the demonstration board side is provided with anion generator.
Preferably, it is provided with jackscrew on the sliding block.
Preferably, multiple hooks are provided with the demonstration board, it is described to link up with into word order.
Preferably, it is provided with sucker on rear side of the demonstration board.
Compared with prior art, the beneficial effects of the utility model are：The equipment be provided with by demonstration board side bear from
Electronic generator, it can be good at changing indoor environment, practicality improved, by being provided with jackscrew, the slip of sliding block on sliding block
It can be good at that pulling force angle is adjusted, preferably verified so as to realize to synthesize pulling force and decompose, pass through demonstration
Multiple hooks are provided with plate, link up with into word order, improve the stability of pulling force well, and operation is more convenient,
By being provided with sucker on rear side of demonstration board, it can be good at realization and the equipment be fixed, improve stability.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is side view of the present utility model.
In figure：1- anion generators；2- bevel protractors；3- slide rails；4- pulling force sensors；5- pointers；6- bases；7- stretches
Support bar；8- universal wheels；9- boards；10- is linked up with；11- draw rings；12- demonstration boards；13- shields；14- springs；15- sliding blocks；
16-LED lamps；17- suckers.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1 and Fig. 2, a kind of embodiment provided by the utility model：A kind of physical and mechanical experiment demonstration board, including
Demonstration board 12, the downside of demonstration board 12 are provided with telescopic supporting rod 7, and the downside of telescopic supporting rod 7 is provided with base 6, and the downside of base 6 is pacified
Equipped with universal wheel 8, the upside of demonstration board 12 is provided with shield 13, LED 16 is provided with shield 13, when LED 16 is used to demonstrate
Illumination, the side of demonstration board 12 is provided with board 9, is provided with bevel protractor 2 and slide rail 3 on demonstration board 12, and bevel protractor 2 is positioned at sliding
The side of rail 3, slide on slide rail 3 and be provided with two sliding blocks 15, pointer 5 is provided with two sliding blocks 15, two sliding blocks 15 lead to respectively
Cross pulling force sensor 4 to connect with two one end of spring 14, two other ends of spring 14 by drawstring join and a bit, and drawstring is another
End is connected by spring 14 and pulling force sensor 4, and pulling force sensor 4 is connected by drawstring and draw ring 11, and draw ring 11 is socketed in extension
10 on hook, by slip of two sliding blocks 15 on slide rail 3, two springs 14 and the angle of horizontal direction can be adjusted
Section, by the way that draw ring 11 is fixed on different hooks 10, thus it is possible to vary the size of pulling force, so as to be passed according to each pulling force
Synthesis and decomposition of the numeral shown on sensor 4 to pulling force are calculated and verified that the side of demonstration board 12 is provided with anion hair
Device 1 is given birth to, jackscrew is provided with sliding block 15, multiple hooks 10 are provided with demonstration board 12, links up with 10 into word order, demonstration board 12
Rear side is provided with sucker 17.
Operation principle：In use, adjusting the angle of spring 14 and horizontal direction by two sliding blocks 15, and pass through jackscrew
Sliding block 15 is fixed, after the completion of fixed, is fixed on not by pulling the size of the adjusting force of draw ring 11, and by draw ring 11
Change the size of pulling force on same hook 10, can be realized to pulling force by the numeral shown on each pulling force sensor 4
Synthesis and decomposition are calculated and verified, are realized further checking by the size of the change to the angle of spring 14 and pulling force, are born
Ion generator 1 can be good at changing indoor environment, and the sucker 17 that the rear side of demonstration board 12 is set, which can be good at realizing, more should
Equipment is fixed, and improves stability.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Claims (5)
1. a kind of physical and mechanical experiment demonstration board, including demonstration board (12), it is characterised in that：Set on the downside of the demonstration board (12)
There is telescopic supporting rod (7), base (6) is provided with the downside of the telescopic supporting rod (7), is provided with the downside of the base (6) universal
Take turns (8), be provided with shield (13) on the upside of the demonstration board (12), LED (16), the demonstration are provided with the shield (13)
Plate (12) side is provided with board (9), and bevel protractor (2) and slide rail (3), the bevel protractor are provided with the demonstration board (12)
(2) it is located at slide rail (3) side, is slided on the slide rail (3) and be provided with two sliding blocks (15), set on described two sliding blocks (15)
There is pointer (5), described two sliding blocks (15) are connected by pulling force sensor (4) with two spring (14) one end respectively, and described two
Root spring (14) other end is joined by drawstring and a bit, and the drawstring other end passes through spring (14) and pulling force sensor (4)
Connection, the pulling force sensor (4) are connected by drawstring and draw ring (11), and the draw ring (11) is socketed on hook (10).
A kind of 2. physical and mechanical experiment demonstration board according to claim 1, it is characterised in that：Demonstration board (12) side
It is provided with anion generator (1).
A kind of 3. physical and mechanical experiment demonstration board according to claim 1, it is characterised in that：Set on the sliding block (15)
There is jackscrew.
A kind of 4. physical and mechanical experiment demonstration board according to claim 1, it is characterised in that：Set on the demonstration board (12)
Multiple hooks (10) are equipped with, link up with (10) are into word order.
A kind of 5. physical and mechanical experiment demonstration board according to claim 1, it is characterised in that：On rear side of the demonstration board (12)
It is provided with sucker (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720164055.5U CN206672467U (en) | 2017-02-23 | 2017-02-23 | A kind of physical and mechanical experiment demonstration board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720164055.5U CN206672467U (en) | 2017-02-23 | 2017-02-23 | A kind of physical and mechanical experiment demonstration board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206672467U true CN206672467U (en) | 2017-11-24 |
Family
ID=60379226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720164055.5U Expired - Fee Related CN206672467U (en) | 2017-02-23 | 2017-02-23 | A kind of physical and mechanical experiment demonstration board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206672467U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107886816A (en) * | 2017-12-04 | 2018-04-06 | 宝鸡文理学院 | A kind of physical mechanics demo system |
| CN108597319A (en) * | 2018-04-27 | 2018-09-28 | 赵桐 | A kind of high school physics mechanics principle displaying device |
| CN109300369A (en) * | 2018-11-01 | 2019-02-01 | 黄汇彤 | High school physics experiment of machanics spring device for measuring force and force measuring method |
-
2017
- 2017-02-23 CN CN201720164055.5U patent/CN206672467U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107886816A (en) * | 2017-12-04 | 2018-04-06 | 宝鸡文理学院 | A kind of physical mechanics demo system |
| CN108597319A (en) * | 2018-04-27 | 2018-09-28 | 赵桐 | A kind of high school physics mechanics principle displaying device |
| CN108597319B (en) * | 2018-04-27 | 2019-11-05 | 赵桐 | A kind of high school physics mechanics principle displaying device |
| CN109300369A (en) * | 2018-11-01 | 2019-02-01 | 黄汇彤 | High school physics experiment of machanics spring device for measuring force and force measuring method |
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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 |
Granted publication date: 20171124 Termination date: 20180223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |