CN206411956U - A kind of sling model - Google Patents
A kind of sling model Download PDFInfo
- Publication number
- CN206411956U CN206411956U CN201720021685.7U CN201720021685U CN206411956U CN 206411956 U CN206411956 U CN 206411956U CN 201720021685 U CN201720021685 U CN 201720021685U CN 206411956 U CN206411956 U CN 206411956U
- Authority
- CN
- China
- Prior art keywords
- lapidation
- plate
- box
- wooden unit
- support bar
- 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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- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model is related to a kind of sling model, belongs to physical teaching aid technical field.Described sling model includes base, support bar, fixed plate, lapidation plate and lapidation box, support bar is fixedly installed on the center of base, fixed plate is arranged at the top of support bar, and be connected with support bar rotation, the center of lapidation plate is fixedly installed in fixed plate, and lapidation box is fixedly installed in described lapidation plate one end, wooden unit is provided with lapidation box, wooden unit is connected with lapidation box by fine rule, is provided with inside the lapidation plate other end in groove, groove and is provided with extending-board.The utility model demonstrates lever principle by sling model, and structure understands, student can be fully understood by the principle of lever by oneself demonstration, and can understand influence of the arm of force to lever balance by the extending-board that stretches；Installing wooden unit in lapidation box, and the seamed edge of wooden unit is provided with fillet, prevents student injured in presentation process；Wooden unit is connected with lapidation box by fine rule so that wooden unit is portable, and can prevent wooden unit from losing, and reduces teaching aid cost.
Description
Technical field
The utility model belongs to physical teaching aid technical field, specifically, is related to a kind of sling model.
Background technology
Demonstration teaching aid on the lever principle of physics is less, and existing teaching aid is done according to the experiment on textbook
Go out, lack realistic meaning, it is impossible to attract students ' interest of study, teachers and students lack interactive during demonstrating student viewing, demonstration by teacher,
Student lacks chance of starting, and certain difficulty is brought to teaching.
The content of the invention
To solve the above problems, the utility model proposes a kind of sling model, can not only improve Students ' Learning emerging
Interest, makes student do it yourself to demonstrate, can also demonstrate the principle on lever, and influence of the arm of force to lever balance.
To achieve the above object, the utility model is achieved by the following technical solution：Described sling model bag
Base, support bar, fixed plate, lapidation plate and lapidation box are included, support bar is fixedly installed on the center of base, and fixed plate is arranged at branch
The top of strut, and be connected with support bar rotation, the center of lapidation plate is fixedly installed in fixed plate, described lapidation plate one end
It is fixedly installed in lapidation box, lapidation box and is provided with wooden unit, wooden unit is connected with lapidation box by fine rule, is provided with inside the lapidation plate other end
Extending-board is provided with groove, groove.
Further, described fixed plate is hinged with support bar.
Further, described base is made of metal material.
Further, twice of described lapidation plate length less than support pole length.
Further, described groove is interference fitted with extending-board.
Further, described elongation plate surface is provided with length scale.
The beneficial effects of the utility model：The utility model demonstrates lever principle by sling model, and structure understands, learns
Life can be fully understood by the principle of lever by oneself demonstration, and can understand that the arm of force is flat to lever by the extending-board that stretches
The influence of weighing apparatus；Installing wooden unit in lapidation box, and the seamed edge of wooden unit is provided with fillet, prevents student injured in presentation process；Wood
Block is connected with lapidation box by fine rule so that wooden unit is portable, and can prevent wooden unit from losing, and reduces teaching aid cost.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure, 1-bottom plate；2-support bar；3-fixed plate；4-lapidation plate；5-lapidation box；6-wooden unit；7-groove；
8-extending-board.
Embodiment
In order that the purpose of this utility model, technical scheme and beneficial effect are clearer, below in conjunction with accompanying drawing, to this
The preferred embodiment of utility model is described in detail, to facilitate the technical staff to understand.
As shown in figure 1, the utility model discloses a kind of sling model, its technical scheme is：Described sling mould
Type includes base 1, support bar 2, fixed plate 3, lapidation plate 4 and lapidation box 5, and support bar 2 is fixedly installed on the center of base 1, Gu
Fixed board 3 is arranged at the top of support bar 2, and is connected with the rotation of support bar 2, and the center of lapidation plate 4 is fixedly installed on fixed plate 3
On, described one end of lapidation plate 4, which is fixedly installed in lapidation box 5, lapidation box 5, is provided with wooden unit 6, and wooden unit 6 passes through fine rule with lapidation box 5
Connection so that wooden unit 6 is portable, and can prevent wooden unit 6 from losing, is reduced inside teaching aid cost, the other end of lapidation plate 4 provided with recessed
Extending-board 8 is provided with groove 7, groove 7 so that extending-board 8 can stretch in groove 7, changes the arm of force.
Described fixed plate 3 is hinged with support bar 2, for alloing fixed plate 3 to be rotated in supporting plate 2.
Described base 1 is made of metal material, the stability for strengthening sling model.
The described length of lapidation plate 4 is less than twice of the length of support bar 3, prevents that lapidation plate 4 from getting to base 1 or desktop is caused
Damage.
Described groove 7 is interference fitted with extending-board 8, prevents extending-board 8 from arbitrarily being slided in groove 7.
The described surface of extending-board 8 is provided with length scale, the expression torque arm length for image.
The utility model demonstrates lever principle by sling model, and structure understands, student can be filled by oneself demonstration
Divide the principle for understanding lever, and influence of the arm of force to lever balance can be understood by the extending-board that stretches；Installed in lapidation box
Wooden unit, and the seamed edge of wooden unit is provided with fillet, prevents student injured in presentation process；Wooden unit is connected with lapidation box by fine rule
Connect so that wooden unit is portable, and can prevent wooden unit from losing, reduce teaching aid cost.
Finally illustrate, preferred embodiment above is only unrestricted to illustrate the technical solution of the utility model, to the greatest extent
The utility model is described in detail by above preferred embodiment for pipe, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims institute to it in the form and details
The scope of restriction.
Claims (6)
1. a kind of sling model, it is characterised in that：Described sling model includes base, support bar, fixed plate, lapidation plate
With lapidation box, support bar is fixedly installed on the center of base, and fixed plate is arranged at the top of support bar, and rotates company with support bar
Connect, the center of lapidation plate is fixedly installed in fixed plate, described lapidation plate one end, which is fixedly installed in lapidation box, lapidation box, to be provided with
Wooden unit, wooden unit is connected with lapidation box by fine rule, is provided with inside the lapidation plate other end in groove, groove and is provided with extending-board.
2. a kind of sling model according to claim 1, it is characterised in that：Described fixed plate is hinged with support bar.
3. a kind of sling model according to claim 1, it is characterised in that：Described base uses metal material system
Into.
4. a kind of sling model according to claim 1, it is characterised in that：Described lapidation plate length is less than support bar
Twice of length.
5. a kind of sling model according to claim 1, it is characterised in that：Described groove is matched somebody with somebody with extending-board interference
Close.
6. a kind of sling model according to claim 1, it is characterised in that：Described elongation plate surface is carved provided with length
Degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720021685.7U CN206411956U (en) | 2017-01-10 | 2017-01-10 | A kind of sling model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720021685.7U CN206411956U (en) | 2017-01-10 | 2017-01-10 | A kind of sling model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206411956U true CN206411956U (en) | 2017-08-15 |
Family
ID=59553930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720021685.7U Expired - Fee Related CN206411956U (en) | 2017-01-10 | 2017-01-10 | A kind of sling model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206411956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109847388A (en) * | 2019-01-16 | 2019-06-07 | 王闻博 | A kind of lapidation Toy vehicle |
-
2017
- 2017-01-10 CN CN201720021685.7U patent/CN206411956U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109847388A (en) * | 2019-01-16 | 2019-06-07 | 王闻博 | A kind of lapidation Toy vehicle |
| CN109847388B (en) * | 2019-01-16 | 2024-03-22 | 王闻博 | Stone throwing vehicle toy |
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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: 20170815 Termination date: 20180110 |