CN206907241U - The multimedia teaching apparatus that a kind of law teaching uses - Google Patents
The multimedia teaching apparatus that a kind of law teaching uses Download PDFInfo
- Publication number
- CN206907241U CN206907241U CN201720315362.9U CN201720315362U CN206907241U CN 206907241 U CN206907241 U CN 206907241U CN 201720315362 U CN201720315362 U CN 201720315362U CN 206907241 U CN206907241 U CN 206907241U
- Authority
- CN
- China
- Prior art keywords
- end surface
- top end
- fixedly connected
- cross beam
- blackboard body
- 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
Links
Abstract
The multimedia teaching apparatus that a kind of law teaching uses, belong to law teaching technical field, including blackboard body, rotate gear, moved cross beam, fixed pallet, projection reel, fixing chuck plate, transmission device, it is characterised in that：Before the blackboard body rotate gear is connected with top end surface left side edge top, top end surface circle centre position is fixedly connected with moved cross beam before the rotate gear, before the moved cross beam fixed pallet is fixedly connected with top end surface lower edge, table middle in top is placed with projection reel in the fixed pallet, before the moved cross beam fixing chuck plate is fixedly connected with top end surface right side edge, before the blackboard body transmission device is fixedly connected with top end surface left side edge top, the people of teacher personnel one can quickly change the projection screen of obstructed size at any time, and it can prevent from injuring teacher personnel when changing projection screen.
Description
Technical field
The utility model belongs to teaching equipment technology field, and in particular to the multimedia teaching dress that a kind of law teaching uses
Put.
Background technology
In long-term practice of giving lessons, teacher personnel are during using projection screen projection teaching, because law projects
Content is more to be needed to change larger curtain, needs mostly personnel to be changed when changing, and because projection screen is heavier
It is easy to injure teacher personnel, it has not been convenient to which teacher human users use and reduced efficiency of teaching.
The content of the invention
The purpose of this utility model is：In order to solve teacher personnel during using projection screen projection teaching, teacher
The people of personnel one can quickly change the projection screen of obstructed size at any time, and can prevent from injuring when changing projection screen
Teacher personnel, teacher human users are facilitated to use and improve efficiency of teaching, its technical scheme is as follows：
The multimedia teaching apparatus that a kind of law teaching uses, it include blackboard body 1, rotate gear 2, moved cross beam 3,
Fixed pallet 4, projection reel 5, fixing chuck plate 6, transmission device 7, it is characterised in that：Top end surface is left before the blackboard body 1
Rotate gear 2 is connected with above lateral edges, top end surface circle centre position is fixedly connected with moved cross beam 3 before the rotate gear 2,
Fixed pallet 4 is fixedly connected with before the moved cross beam 3 at top end surface lower edge, in the fixed pallet 4 in the table of top
Between place be placed with projection reel 5, be fixedly connected with fixing chuck plate 6 at top end surface right side edge before the moved cross beam 3, it is described
Transmission device 7, the projection side top end surface of reel 5 are fixedly connected with before blackboard body 1 at top end surface left side edge top
It is evenly distributed and is provided with several suspension ring, the left side top end surface middle of fixing chuck plate 6 is provided with through hole, and the suspension ring insert
Inside the through hole, and inserting column being fitted with inside the suspension ring, the transmission device 7 is made up of lift cylinder and rack, and
Top end surface is fixedly connected with rack on the telescopic cylinder, and the gear is mutually twisted with the travelling gear 2, the biography
Top end surface circle centre position is fixedly connected with rotating shaft after moving gear 2, and the rotating shaft is inserted into inside the blackboard body 1, and institute
Rotating shaft is stated to be connected with each other by bearing with the blackboard body 1.
The beneficial effects of the utility model are：In order to solve teacher personnel during using projection screen projection teaching,
The people of teacher personnel one can quickly change the projection screen of obstructed size at any time, and can prevent when changing projection screen
Teacher personnel are injured, facilitate teacher human users to use and improve efficiency of teaching.
Brief description of the drawings：
Fig. 1 is overall structure diagram of the present utility model.
Embodiment：
The multimedia teaching apparatus that a kind of law teaching described in reference picture 1 uses, it includes blackboard body 1, rotate gear
2nd, moved cross beam 3, fixed pallet 4, projection reel 5, fixing chuck plate 6, transmission device 7, it is characterised in that：The blackboard body 1
Rotate gear 2 is connected with above preceding top end surface left side edge, top end surface circle centre position is fixedly connected before the rotate gear 2
There is a moved cross beam 3, fixed pallet 4, the fixed pallet are fixedly connected with top end surface lower edge before the moved cross beam 3
Table middle in top, which is placed with, on 4 projects reel 5, is fixedly connected with before the moved cross beam 3 at top end surface right side edge
Determine clamp 6, before the blackboard body 1 above top end surface left side edge at be fixedly connected with transmission device 7, the projection reel
5 side top end surfaces are evenly distributed is provided with through hole provided with several suspension ring, the left side top end surface middle of fixing chuck plate 6, and
The suspension ring are inserted into inside the through hole, and inserting column is fitted with inside the suspension ring, the transmission device 7 by lift cylinder and
Rack forms, and top end surface is fixedly connected with rack on the telescopic cylinder, and the gear and the travelling gear 2 are mutual
It is engaged, top end surface circle centre position is fixedly connected with rotating shaft after the travelling gear 2, and the rotating shaft is inserted into the blackboard body
Inside 1, and the rotating shaft is connected with each other with the blackboard body 1 by bearing.
In use, projection reel 5 is placed on the top of fixed pallet 4 first, while projects the insertion of the suspension ring on reel 5 and fix
Inside through hole on clamp 6, and inserting column is inserted inside suspension ring and is stuck on fixing chuck plate 6, be then turned on stretching for transmission device 7
Contracting cylinder moves up and down rack, while moved cross beam 3 rotates rack drives travelling gear 2 simultaneously, when the side top of moved cross beam 3
Transmission device 7 is closed when surface is parallel with top end surface in blackboard body 1 to can be used.
Certainly, it is to be also not limited to the example above to limitation of the present utility model, the utility model that described above, which is not,
The variations, modifications, additions or substitutions that those skilled in the art are made in essential scope of the present utility model, also should
Belong to the scope of protection of the utility model.
Claims (3)
1. the multimedia teaching apparatus that a kind of law teaching uses, including blackboard body（1）, rotate gear（2）, moved cross beam
（3）, fixed pallet（4）, projection reel（5）, fixing chuck plate（6）, transmission device（7）, it is characterised in that：The blackboard body
（1）Rotate gear is connected with above preceding top end surface left side edge（2）, the rotate gear（2）Preceding top end surface circle centre position
It is fixedly connected with moved cross beam（3）, the moved cross beam（3）Fixed pallet is fixedly connected with preceding top end surface lower edge
（4）, the fixed pallet（4）Upper top table middle is placed with projection reel（5）, the moved cross beam（3）Preceding top end surface
Fixing chuck plate is fixedly connected with right side edge（6）, the blackboard body（1）It is fixed above preceding top end surface left side edge to connect
It is connected to transmission device（7）.
A kind of 2. multimedia teaching apparatus that law teaching uses according to claim 1, it is characterised in that：The projection volume
Cylinder（5）Side top end surface is evenly distributed provided with several suspension ring, the fixing chuck plate（6）Left side top end surface middle is provided with logical
Hole, and the suspension ring are inserted into inside the through hole, and it is fitted with inserting column inside the suspension ring.
A kind of 3. multimedia teaching apparatus that law teaching uses according to claim 1, it is characterised in that：The turning gear
Wheel（2）Top end surface circle centre position is fixedly connected with rotating shaft afterwards, and the rotating shaft is inserted into the blackboard body（1）Inside, and institute
State rotating shaft and the blackboard body（1）It is connected with each other by bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720315362.9U CN206907241U (en) | 2017-03-29 | 2017-03-29 | The multimedia teaching apparatus that a kind of law teaching uses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720315362.9U CN206907241U (en) | 2017-03-29 | 2017-03-29 | The multimedia teaching apparatus that a kind of law teaching uses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206907241U true CN206907241U (en) | 2018-01-19 |
Family
ID=61295696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720315362.9U Expired - Fee Related CN206907241U (en) | 2017-03-29 | 2017-03-29 | The multimedia teaching apparatus that a kind of law teaching uses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206907241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497720A (en) * | 2018-05-19 | 2019-11-26 | 杨超 | A kind of blackboard |
-
2017
- 2017-03-29 CN CN201720315362.9U patent/CN206907241U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497720A (en) * | 2018-05-19 | 2019-11-26 | 杨超 | A kind of blackboard |
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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: 20180119 Termination date: 20200329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |