CN213501560U - Blackboard for internet multimedia teaching - Google Patents
Blackboard for internet multimedia teaching Download PDFInfo
- Publication number
- CN213501560U CN213501560U CN202022399068.5U CN202022399068U CN213501560U CN 213501560 U CN213501560 U CN 213501560U CN 202022399068 U CN202022399068 U CN 202022399068U CN 213501560 U CN213501560 U CN 213501560U
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- CN
- China
- Prior art keywords
- blackboard
- bottom plate
- spool
- box
- cloth
- 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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- 239000004744 fabric Substances 0.000 claims abstract description 26
- 238000005452 bending Methods 0.000 claims abstract description 3
- 230000007704 transition Effects 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an internet is blackboard for multimedia teaching, including open-top's box-like main part be connected with the bottom plate between the box-like main part both sides, bottom plate top and bottom all are provided with the convex changeover portion of backward bend, and are provided with the initiative spool in bottom plate top rear side, and the bottom rear side is provided with passive spool, bypasses the flexbile plate has been arranged between initiative spool, passive spool and the bottom plate, the flexbile plate is formed by first annular seamless connection of blackboard cloth and white projection cloth, and is provided with the drive arrangement who is connected with the initiative spool at the top of a box-like main part side. The utility model discloses can realize the switching of blackboard cloth and projection cloth, make the blackboard can realize writing and projected dual function, all be provided with the convex changeover portion of backward bending in bottom plate top and bottom, at the pivoted in-process like this, can guarantee that blackboard cloth and projection cloth hug closely the bottom plate all the time, avoid the fold or produce the clearance, the influence is write and the projection.
Description
Technical Field
The utility model relates to an internet education technical field, in particular to blackboard is used in internet multimedia teaching.
Background
With the rise of the internet, the internet is applied to education, but the blackboard and the projection screen in the teaching are still separately arranged at present, the installation needs to be separately installed, more area is occupied, and for the blackboard, when the writing content is large, the ordinary writing habit is from high to low, so that the teaching blackboard is not very convenient for teachers or students.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a collect blackboard function and integrative blackboard for internet multimedia teaching of projection screen function.
The technical scheme of the utility model is that:
the utility model provides an internet is blackboard for multimedia teaching, includes open-top's box-like main part be connected with the bottom plate between the box-like main part both sides, bottom plate top and bottom all are provided with the convex changeover portion of backward bend, and are provided with the initiative spool in bottom plate top rear side, and the bottom rear side is provided with passive spool, bypasses the flexonics has been arranged between initiative spool, passive spool and the bottom plate, the flexonics is formed by blackboard cloth and white projection cloth first annular seamless connection, and is provided with the drive arrangement who is connected with the initiative spool at the top of box-like main part side.
Furthermore, the arc-shaped transition section is at least a quarter of an arc, and the top tangent of the arc-shaped transition section is superposed with the top tangent of the driving scroll.
Further, the top edge of the box-shaped main body is folded inwards to form a wrapping edge.
Furthermore, the driving device is controlled by a remote switch, a computer or a handheld control pen.
The utility model discloses an useful part lies in:
the utility model discloses a drive arrangement drive initiative spool rotates, can realize the switching of blackboard cloth and projection cloth, makes the blackboard can realize writing and projected dual function, can reduce the blackboard cloth of eminence by pivoted blackboard cloth in addition, conveniently writes the eminence, then risees gradually to the convenience is write. The utility model discloses still all be provided with the convex changeover portion of backward bending in bottom plate top and bottom, will take the initiative spool, passive spool sets up respectively at bottom plate top and bottom rear side, at the pivoted in-process like this, can guarantee that blackboard cloth and projection cloth hug closely the bottom plate all the time, avoid the fold or produce the clearance, the influence is write and the projection.
Drawings
FIG. 1 is a schematic view of the internal cross-sectional structure of the present invention;
fig. 2 is a front view of the present invention.
In the figure: 1-box-shaped main body, 11-edge wrapping, 2-active reel, 3-passive reel, 4-bottom plate, 5-projection cloth and 51-blackboard cloth.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1:
the utility model provides an internet is blackboard for multimedia teaching, includes open-top's box-like main part 1 be connected with bottom plate 4 between 1 both sides of box-like main part, 4 tops of bottom plate and bottom all are provided with the convex changeover portion of backward bend, and are provided with initiative spool 2 in 4 top rear sides of bottom plate, and the bottom rear side is provided with passive spool 3, walks around the flexonics has been arranged between initiative spool 2, passive spool 3 and the bottom plate 4, the flexonics is formed by blackboard cloth 51 and 5 first annular seamless connections of white projection cloth, and is provided with the drive arrangement who is connected with initiative spool 2 at the top of 1 side of box-like main part.
Specifically, the arc-shaped transition section is at least a quarter of an arc, and the top tangent line of the arc-shaped transition section is superposed with the top tangent line of the driving scroll 2.
Specifically, the top edge of the box-shaped main body 1 is folded inwards to form a wrapping edge 11, so that the effects of shielding, protecting an internal mechanism and increasing the attractiveness are achieved.
Specifically, the driving device is controlled by a remote switch, a computer or a handheld control pen.
The utility model discloses a 2 rotations of drive arrangement drive initiative spool can realize blackboard cloth 51 and projection cloth 5's switching, makes the blackboard can realize writing and projected dual function, can reduce the blackboard cloth 51 of eminence by pivoted blackboard cloth 51 moreover, conveniently writes the eminence, then risees gradually to the convenience is written. The utility model discloses still all be provided with the convex changeover portion of backward bend in 4 tops of bottom plate and bottom, will take the initiative spool 2, passive spool 3 sets up respectively at 4 tops of bottom plate and bottom rear side, at the pivoted in-process like this, can guarantee that blackboard cloth 51 and projection cloth 5 hug closely bottom plate 4 all the time, avoid the fold or produce the clearance, the influence is write and the projection.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (4)
1. The utility model provides an internet is blackboard for multimedia teaching which characterized in that: including open-top's box-like main part be connected with the bottom plate between the box-like main part both sides, bottom plate top and bottom all are provided with the convex changeover portion of backward bending, and are provided with the initiative spool in bottom plate top rear side, and the bottom rear side is provided with passive spool, bypasses the flexbile plate has been arranged between initiative spool, passive spool and the bottom plate, the flexbile plate is formed by blackboard cloth and white projection cloth end to end annular seamless connection, and is provided with the drive arrangement who is connected with the initiative spool at the top of a box-like main part side.
2. The blackboard for internet multimedia teaching according to claim 1, wherein: the arc-shaped transition section is at least a quarter of arc, and the top tangent of the arc-shaped transition section is superposed with the top tangent of the driving scroll.
3. The blackboard for internet multimedia teaching according to claim 1, wherein: the top edge of the box-shaped main body is folded inwards to form a wrapping edge.
4. The blackboard for internet multimedia teaching according to claim 1, wherein: the driving device is controlled by a remote switch, a computer or a handheld control pen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022399068.5U CN213501560U (en) | 2020-10-26 | 2020-10-26 | Blackboard for internet multimedia teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022399068.5U CN213501560U (en) | 2020-10-26 | 2020-10-26 | Blackboard for internet multimedia teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213501560U true CN213501560U (en) | 2021-06-22 |
Family
ID=76410184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022399068.5U Expired - Fee Related CN213501560U (en) | 2020-10-26 | 2020-10-26 | Blackboard for internet multimedia teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213501560U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023123124A1 (en) * | 2021-12-29 | 2023-07-06 | 广州工商学院 | College military course ideology and politics movie, television and song teaching experience device |
-
2020
- 2020-10-26 CN CN202022399068.5U patent/CN213501560U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023123124A1 (en) * | 2021-12-29 | 2023-07-06 | 广州工商学院 | College military course ideology and politics movie, television and song teaching experience device |
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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: 20210622 |