CN2834928Y - A blackboard with five writing faces - Google Patents
A blackboard with five writing faces Download PDFInfo
- Publication number
- CN2834928Y CN2834928Y CN 200520133445 CN200520133445U CN2834928Y CN 2834928 Y CN2834928 Y CN 2834928Y CN 200520133445 CN200520133445 CN 200520133445 CN 200520133445 U CN200520133445 U CN 200520133445U CN 2834928 Y CN2834928 Y CN 2834928Y
- Authority
- CN
- China
- Prior art keywords
- blackboard
- blackboards
- utility
- model
- writing
- 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 discloses a blackboard with five writing surfaces, which comprises a fixed blackboard, wherein both sides of the fixed blackboard are respectively provided with a movable blackboard, the movable blackboards are movably connected with the both sides of the fixed blackboard by folding hinges and top sides of the blackboards are respectively provided with suspension rings. The utility model has simple structure and convenient use; a teacher can write on front surfaces of the movable blackboards and the front surface of the fixed blackboard one by one, if teaching contents are not yet over, the teacher can respectively write on back surfaces of the movable blackboards. The writing content of the utility model is five times of that of a traditional blackboard, and the continuity and integrity of the writing content is ensured.
Description
Technical field the utility model belongs to the teaching aid technical field, relates to a kind of five writing surface blackboards.
Background technology is present, and teaching all is single writing surface structure with blackboard, and the class content written of getting off often almost is to wipe while writing, and keeps very few.The blackboard of this structure because written contents lacking of keeping, is not easy to teacher and levies the end and sum up, also be not easy to the student complete copy teacher's content written, influence the student and puts the classroom in order and take down notes.
The summary of the invention the purpose of this utility model provides a kind of five writing surface blackboards that can keep the content of teaching in a large number, to overcome the deficiencies in the prior art.
The utility model five writing surface blackboards comprise fixedly blackboard, and the both sides of said fixedly blackboard are respectively equipped with Reelable blackboard, and by folding hinge and the fixedly dual-side flexible connection of blackboard, the top margin of said blackboard is respectively equipped with link to Reelable blackboard respectively.
The utility model is simple in structure, easy to use, can write the front of Reelable blackboard, the fixedly front, the front of Reelable blackboard of blackboard one by one, also can write as lecture contents, can write the reverse side of two Reelable blackboards more respectively.Its written contents is five times of traditional blackboard, has guaranteed coherent, the integrality of writing on the blackboard content.
Appended drawings is the utility model structural representation.
The specific embodiment with reference to the accompanying drawings, the utility model five writing surface blackboards, comprise fixedly blackboard 5, the both sides of said fixedly blackboard 5 are respectively equipped with Reelable blackboard 2,8, by folding hinge 3,6 and the fixedly dual-side flexible connection of blackboard 5, the top margin of said blackboard 2,5,8 is respectively equipped with link 1,4,7 to Reelable blackboard 2,8 respectively.
Claims (1)
1, a kind of five writing surface blackboards comprise fixedly blackboard, it is characterized in that the both sides of said fixedly blackboard are respectively equipped with Reelable blackboard, and by folding hinge and the fixedly dual-side flexible connection of blackboard, the top margin of said blackboard is respectively equipped with link to Reelable blackboard respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520133445 CN2834928Y (en) | 2005-11-24 | 2005-11-24 | A blackboard with five writing faces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520133445 CN2834928Y (en) | 2005-11-24 | 2005-11-24 | A blackboard with five writing faces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2834928Y true CN2834928Y (en) | 2006-11-08 |
Family
ID=37299587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520133445 Expired - Fee Related CN2834928Y (en) | 2005-11-24 | 2005-11-24 | A blackboard with five writing faces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2834928Y (en) |
-
2005
- 2005-11-24 CN CN 200520133445 patent/CN2834928Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |