CN201235678Y - Movable project screen for teaching - Google Patents
Movable project screen for teaching Download PDFInfo
- Publication number
- CN201235678Y CN201235678Y CNU2008200143109U CN200820014310U CN201235678Y CN 201235678 Y CN201235678 Y CN 201235678Y CN U2008200143109 U CNU2008200143109 U CN U2008200143109U CN 200820014310 U CN200820014310 U CN 200820014310U CN 201235678 Y CN201235678 Y CN 201235678Y
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- CN
- China
- Prior art keywords
- projection screen
- blackboard
- teaching
- students
- groove
- 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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Abstract
The utility model relates to a teaching movable projection screen which comprises a blackboard and a projection screen, the upper frame of the blackboard is provided with a groove, a sliding track is arranged in the groove, one end of a connecting rod is arranged in the sliding track, the other end of the connecting rod is fixedly connected with the rolling type projection screen, the bottom end of the projection screen is provided with an iron sheet, and the surface of the lower frame of the blackboard is provided with a magnet. When the teaching movable projection screen is used, the projection screen can be pulled down by a person, the iron sheet on the bottom end of the projection screen is adsorbed to the magnet on the lower frame of the blackboard, so students can conveniently see the content of the projection screen, and the position of the whole projection screen can be regulated according to the sitting positions of the students. The utility model has the advantages of simple structure, convenience, practicability, reasonable constitution, and the like, and is convenient for the students who sit in different positions to see the content of the projection screen.
Description
Technical field the utility model relates to a kind of projection screen, especially a kind of teaching packaged type projection screen.
Background technology is along with the progress of science and technology, and teaching equipment is more and more advanced, and the number of times that projecting apparatus uses is also more and more, but the position of existing projecting apparatus projection screen all is changeless, is unfavorable for being sitting in the content of the student viewing projection screen of different angles.
The summary of the invention the purpose of this utility model has overcome above-mentioned said deficiency, and a kind of teaching packaged type projection screen is provided, with the content of the student viewing projection screen that conveniently is sitting in diverse location.
For achieving the above object, the packaged type projection screen is used in the utility model teaching, comprises blackboard and projection screen, upper ledge at blackboard is offered groove, is provided with slideway in the groove, and connecting rod one end places the inside of slideway, the projection screen of the affixed Scroll of the other end is provided with iron plate in the bottom of projection screen; Lower frame surface at blackboard is provided with magnet.
After adopting said structure, during use, people can be left behind projection screen, and the magnet that the iron plate of projection screen bottom is adsorbed on the blackboard lower frame can make things convenient for students to watch the content of projection screen; Also can adjust the position of projection screen according to the position that students is sat.
The utility model has the advantages that: simple in structure, convenient and practical, structure rationally, with the content of the student viewing projection screen that conveniently is sitting in diverse location.
Description of drawings Fig. 1 is the overall structure schematic diagram of the utility model teaching with the packaged type projection screen.
The specific embodiment as shown in Figure 1, the utility model teaching packaged type projection screen, comprise blackboard 1 and projection screen 2, upper ledge at blackboard 1 is offered groove, be provided with slideway 3 in the groove, connecting rod 4 one ends place the inside of slideway 3, and the projection screen 2 of the affixed Scroll of the other end is provided with iron plate 5 in the bottom of projection screen 2; Lower frame surface at blackboard 1 is provided with magnet 6.
Claims (1)
1, a kind of teaching packaged type projection screen, comprise blackboard (1) and projection screen (2), it is characterized in that: the upper ledge at blackboard (1) is offered groove, be provided with slideway (3) in the groove, connecting rod (4) one ends place the inside of slideway (3), the projection screen of the affixed Scroll of the other end (2) is provided with iron plate (5) in the bottom of projection screen (2); Be provided with magnet (6) on the lower frame surface of blackboard (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200143109U CN201235678Y (en) | 2008-07-21 | 2008-07-21 | Movable project screen for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200143109U CN201235678Y (en) | 2008-07-21 | 2008-07-21 | Movable project screen for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201235678Y true CN201235678Y (en) | 2009-05-13 |
Family
ID=40648417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200143109U Expired - Fee Related CN201235678Y (en) | 2008-07-21 | 2008-07-21 | Movable project screen for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201235678Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848816A (en) * | 2012-09-14 | 2013-01-02 | 句容富达教学设备科技有限公司 | Multimedia teaching system |
| CN105882238A (en) * | 2016-05-13 | 2016-08-24 | 安庆师范学院 | Teaching board equipped with projection curtain |
| CN109760449A (en) * | 2019-03-06 | 2019-05-17 | 凡得雨 | Multi-media classroom electronic blackboard |
| CN110356147A (en) * | 2019-08-26 | 2019-10-22 | 陈庆威 | A kind of blackboard |
-
2008
- 2008-07-21 CN CNU2008200143109U patent/CN201235678Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848816A (en) * | 2012-09-14 | 2013-01-02 | 句容富达教学设备科技有限公司 | Multimedia teaching system |
| CN105882238A (en) * | 2016-05-13 | 2016-08-24 | 安庆师范学院 | Teaching board equipped with projection curtain |
| CN109760449A (en) * | 2019-03-06 | 2019-05-17 | 凡得雨 | Multi-media classroom electronic blackboard |
| CN110356147A (en) * | 2019-08-26 | 2019-10-22 | 陈庆威 | A kind of blackboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090513 |