CN203832080U - Combined blackboard - Google Patents
Combined blackboard Download PDFInfo
- Publication number
- CN203832080U CN203832080U CN201420268225.0U CN201420268225U CN203832080U CN 203832080 U CN203832080 U CN 203832080U CN 201420268225 U CN201420268225 U CN 201420268225U CN 203832080 U CN203832080 U CN 203832080U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- projection screen
- combined
- blackboard body
- outer frame
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a combined blackboard, and belongs to the technical field of teaching appliances. According to the technical scheme, the combined blackboard comprises a first blackboard body (1), a second blackboard body (3), an outer frame (4), slide rails (5) and a projection screen (6). The first blackboard body (1) is rectangular and is provided with the outer frame (4), a blackboard face is arranged on one side inside the outer frame (4) of the first blackboard body (1), and the projection screen (6) is arranged on the other side inside the outer frame (4). The width of the projection screen (6) is smaller than the width of the blackboard face. The slide rails (5) are arranged on an upper frame and a lower frame of the first blackboard body (1) respectively. The size of the second blackboard body (3) is matched with that of the projection screen (6). The second blackboard body (3) is connected with the first blackboard body (1) through the slide rails (5) in a sliding mode. The combined blackboard has the advantages that the blackboard bodies and the projection screen are perfectly combined together, the blackboard-writing requirement can be met, projection teaching can be facilitated as well, the trouble of teachers for folding and unfolding the projection screen in the teaching process is saved, the maximum utilization rate of the blackboard is achieved, and the attractiveness function can also be achieved.
Description
Technical field
The utility model relates to a kind of blackboard, belongs to teaching aid technical field.
Background technology
Current, in education and instruction, conventional blackboard has a variety of, constantly universal along with electronic teaching, also runs far deeper than writing on the blackboard to the requirement of blackboard in education and instruction and writes so simply, and a lot of classrooms have been equipped with Integrated Teaching equipment, the projection screen in a lot of classrooms all independent suspension on blackboard, while needing, put down, while not needing, accept, cause like this projection screen rear blackboard substantially idle, or can not use, greatly reduce the service efficiency of blackboard.And use cumbersome.
Utility model content
The utility model object is to provide a kind of Combined blackboard, and blackboard and projection screen are perfectly combined, and has both met writing on the blackboard and has write, and facilitates again projection teaching, solves the problem existing in background technology.
The technical solution of the utility model is:
A kind of Combined blackboard, comprise blackboard one, blackboard two, outer rim, slideway and projection screen, blackboard one is rectangle, have outer rim, in the outer rim of blackboard one, a side is black print face, and opposite side is projection screen, projection screen width is less than the width of black print face, on the upper side frame of blackboard one and lower frame, be respectively equipped with slideway, blackboard two sizes match with projection screen, and blackboard two is slidably connected by slideway with blackboard one.
Adopt the utility model, serve as a teacher and attend class while using projecting apparatus, blackboard two is shifted onto to blackboard one black print face one side, expose projection screen below, teacher just can get to lecture contents on projection screen by computer, thereby realizes electronic teaching, and blackboard two can be used as usual.Serve as a teacher while attending class without projecting apparatus, shift blackboard two onto projection screen one side, block projection screen, blackboard one and blackboard two form a complete blackboard, for teacher's writing on the blackboard.
The beneficial effects of the utility model are: blackboard and projection screen are perfectly combined, both meet writing on the blackboard and write, facilitated again projection teaching, solved the trouble of teacher's folding and unfolding projection screen in the process of giving lessons, make blackboard reach maximum utilization rate, can also play effect attractive in appearance.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Schematic diagram when Fig. 2 is the utility model use projection;
In figure: blackboard 1, blackboard two frames 2, blackboard 23, outer rim 4, slideway 5, projection screen 6.
The specific embodiment
Below in conjunction with accompanying drawing, by example, the utility model is described in further detail.
With reference to accompanying drawing 1,2, a kind of Combined blackboard, comprise blackboard 1, blackboard 23, outer rim 4, slideway 5 and projection screen 6, blackboard 1 is rectangle, and has outer rim 4, in the outer rim 4 of blackboard 1, a side is black print face, opposite side is projection screen 6, and projection screen 6 width are less than the width of black print face, are respectively equipped with slideway 5 on the upper side frame of blackboard 1 and lower frame, blackboard 23 sizes match with projection screen 6, and blackboard 23 is slidably connected by slideway 5 with blackboard 1.
With reference to accompanying drawing 1, serve as a teacher while attending class without projecting apparatus, shift blackboard two onto projection screen one side, block projection screen, blackboard one and blackboard two form a complete blackboard, for teacher's writing on the blackboard.
With reference to accompanying drawing 2, serve as a teacher and attend class while using projecting apparatus, blackboard two is shifted onto to blackboard one black print face one side, expose projection screen below, teacher just can get to lecture contents on projection screen by computer, thereby realizes electronic teaching, and blackboard two can be used as usual.
Claims (1)
1. a Combined blackboard, it is characterized in that comprising blackboard one (1), blackboard two (3), outer rim (4), slideway (5) and projection screen (6), blackboard one (1) is rectangle, there is outer rim (4), in the outer rim (4) of blackboard one (1), a side is black print face, opposite side is projection screen (6), projection screen (6) width is less than the width of black print face, on the upper side frame of blackboard one (1) and lower frame, be respectively equipped with slideway (5), blackboard two (3) sizes match with projection screen (6), blackboard two (3) is slidably connected by slideway (5) with blackboard one (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420268225.0U CN203832080U (en) | 2014-05-21 | 2014-05-21 | Combined blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420268225.0U CN203832080U (en) | 2014-05-21 | 2014-05-21 | Combined blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203832080U true CN203832080U (en) | 2014-09-17 |
Family
ID=51509960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420268225.0U Expired - Fee Related CN203832080U (en) | 2014-05-21 | 2014-05-21 | Combined blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203832080U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094411A (en) * | 2016-07-29 | 2016-11-09 | 马鞍山星球银幕科技有限公司 | A kind of screen mask system and screen state switching method |
-
2014
- 2014-05-21 CN CN201420268225.0U patent/CN203832080U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094411A (en) * | 2016-07-29 | 2016-11-09 | 马鞍山星球银幕科技有限公司 | A kind of screen mask system and screen state switching method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20150521 |
|
| EXPY | Termination of patent right or utility model |