CN201494176U - Dual-purpose blackboard used for projecting and writing - Google Patents
Dual-purpose blackboard used for projecting and writing Download PDFInfo
- Publication number
- CN201494176U CN201494176U CN2009200306238U CN200920030623U CN201494176U CN 201494176 U CN201494176 U CN 201494176U CN 2009200306238 U CN2009200306238 U CN 2009200306238U CN 200920030623 U CN200920030623 U CN 200920030623U CN 201494176 U CN201494176 U CN 201494176U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- projection
- writing
- projecting
- blackboards
- 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
- 238000010586 diagram Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 1
Abstract
The utility model discloses a dual-purpose blackboard used for projecting and writing, pertains to teaching tools, and particularly discloses a blackboard which is used for projecting and writing in teaching. The dual-purpose blackboard used for projecting and writing comprises a blackboard and a projection screen, and is characterized in that two blackboards, namely a left-side blackboard and a right-side blackboard are arranged between an upper sliding groove and a lower sliding groove which are fixed on a wall; and the projection screen is arranged on a wall in back of the blackboard. When in use, the two blackboards slide to the middle part of a slide rail so as to write; and when in need of projection demonstration, the blackboards slide to two sides along the slide rail, and the projection screen behind the blackboard is shown for projection demonstration, and simultaneously, the written characters are still maintained on the blackboard, thus realizing projection and writing simultaneously, and is suitable for being used in teaching of universities, secondary schools and primary schools.
Description
Technical field
The utility model belongs to teaching aid, especially for the teaching projection, Double-purpose blackboard writes.
Background technology
Projecting apparatus, blackboard are the apparatus that is used for imparting knowledge to students that people use always, it is simple in structure, easy to use, can be fit to the use of each occasion, but when general projecting apparatus uses, blackboard can't be used, and when blackboard used, projecting apparatus just can't be used, easy like this successes achieved in teaching are reduced greatly, also wasted resource simultaneously.
The utility model content
For the deficiency that overcomes existing projection, writes and can not share, the purpose of this utility model provides a kind of projection, the Double-purpose blackboard that writes, and this projection, the Double-purpose blackboard that writes can be realized projection, write and can share.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of projection, Double-purpose blackboard writes, comprise blackboard, projection screen, it is characterized in that: be fixed on left side blackboard panel, two blackboards of right side blackboard panel are housed between last sliding tray on the wall, the lower slider groove, projection screen is installed on the wall of blackboard back.
Described upward sliding tray or lower slider groove two ends are equipped with and are dragged the electromechanical device that blackboard moves.
The utility model slides into the slide rail middle part with two blackboards and writes when using blackboard, when the needs projection is demonstrated, blackboard is slided into both sides along sliding tray, the projection screen of blackboard back is shown, carry out the projection demonstration, this is that writing words above the blackboard still remains on the blackboard, realizes projection, writes simultaneously and use, and is fit to large, medium and small teaching and uses.
Description of drawings
Accompanying drawing 1 is a blackboard of the present utility model schematic diagram when using,
The schematic diagram that Fig. 2 uses at projecting apparatus, blackboard simultaneously for Fig. 1.
Among the figure, 1. go up sliding tray, 2. lower slider groove hinge, 3. left side blackboard panel, 4. right side blackboard panel 5. projection screens.
The specific embodiment
The specific embodiment of the present utility model is, as shown in the figure:
Embodiment 1, a kind of projection, Double-purpose blackboard writes, comprise blackboard, projection screen 5, it is characterized in that: be fixed on left side blackboard panel 3,4 two blackboards of right side blackboard panel are housed between last sliding tray 1 on the wall, the lower slider groove 2, projection screen is installed on the wall of blackboard back.
Embodiment 2, a kind of projection, Double-purpose blackboard writes, comprise blackboard, projection screen 5, it is characterized in that: be fixed on left side blackboard panel 3,4 two blackboards of right side blackboard panel are housed between last sliding tray 1 on the wall, the lower slider groove 2, projection screen is installed on the wall of blackboard back.Last sliding tray or lower slider groove two ends are equipped with and are dragged the electromechanical device that blackboard moves.This electromechanical device adopts prior art to get final product.
Claims (2)
1. a projection, Double-purpose blackboard writes, comprise blackboard, projection screen, it is characterized in that: be fixed on left side blackboard panel, two blackboards of right side blackboard panel are housed between last sliding tray on the wall, the lower slider groove, projection screen is installed on the wall of blackboard back.
2. projection according to claim 1, the Double-purpose blackboard that writes is characterized in that: described upward sliding tray or lower slider groove two ends are equipped with and are dragged the electromechanical device that blackboard moves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200306238U CN201494176U (en) | 2009-07-29 | 2009-07-29 | Dual-purpose blackboard used for projecting and writing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200306238U CN201494176U (en) | 2009-07-29 | 2009-07-29 | Dual-purpose blackboard used for projecting and writing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201494176U true CN201494176U (en) | 2010-06-02 |
Family
ID=42437384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200306238U Expired - Fee Related CN201494176U (en) | 2009-07-29 | 2009-07-29 | Dual-purpose blackboard used for projecting and writing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201494176U (en) |
Cited By (6)
| 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 |
| CN104029541A (en) * | 2014-05-19 | 2014-09-10 | 魏玉兰 | Adjustable blackboard |
| CN105904883A (en) * | 2016-05-30 | 2016-08-31 | 安徽工程大学 | Projection blackboard for audio-visual education classroom |
| CN108887959A (en) * | 2018-07-30 | 2018-11-27 | 重庆工商职业学院 | A kind of indoor design Display Rack |
| CN109080330A (en) * | 2018-08-22 | 2018-12-25 | 王成帅 | It is a kind of to utilize the automatic teaching method for wiping grey dedusting storing blackboard |
| CN109080331A (en) * | 2018-08-22 | 2018-12-25 | 王成帅 | A kind of grey dedusting storing blackboard of automatic wiping |
-
2009
- 2009-07-29 CN CN2009200306238U patent/CN201494176U/en not_active Expired - Fee Related
Cited By (7)
| 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 |
| CN104029541A (en) * | 2014-05-19 | 2014-09-10 | 魏玉兰 | Adjustable blackboard |
| CN105904883A (en) * | 2016-05-30 | 2016-08-31 | 安徽工程大学 | Projection blackboard for audio-visual education classroom |
| CN108887959A (en) * | 2018-07-30 | 2018-11-27 | 重庆工商职业学院 | A kind of indoor design Display Rack |
| CN109080330A (en) * | 2018-08-22 | 2018-12-25 | 王成帅 | It is a kind of to utilize the automatic teaching method for wiping grey dedusting storing blackboard |
| CN109080331A (en) * | 2018-08-22 | 2018-12-25 | 王成帅 | A kind of grey dedusting storing blackboard of automatic wiping |
| CN109080330B (en) * | 2018-08-22 | 2020-10-27 | 王成帅 | Teaching method using automatic dust wiping, removing and storing blackboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| C14 | Grant of patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20100729 |
|
| C17 | Cessation of patent right |