CN201320897Y - Rotary blackboard - Google Patents
Rotary blackboard Download PDFInfo
- Publication number
- CN201320897Y CN201320897Y CNU2008201440954U CN200820144095U CN201320897Y CN 201320897 Y CN201320897 Y CN 201320897Y CN U2008201440954 U CNU2008201440954 U CN U2008201440954U CN 200820144095 U CN200820144095 U CN 200820144095U CN 201320897 Y CN201320897 Y CN 201320897Y
- Authority
- CN
- China
- Prior art keywords
- blackboard
- rotary
- rotary blackboard
- utility
- model
- 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
A rotary blackboard comprises a plurality of rotatable triangular prisms (1) which are parallelly arranged together and are capable of rotating together. In such a structure, the original one surface of the blackboard is changed into three surfaces that can be used. The rotary blackboard has the advantages of high practicability, simple and easy use, smaller space and time and labor consumption.
Description
(1) technical field
The utility model relates to a kind of blackboard, particularly relates to a kind of rotary blackboard.
(2) background technology
Blackboard is the requisite educational aid in each classroom, and it is the bridge between the Faculty and Students.The area of the blackboard that uses is more limited now.Some schools use be can stretching type blackboard, but this blackboard will take large tracts of land very, and uses and relatively requires great effort when clearing up.
(3) summary of the invention
In order to overcome the weak point of existing product, the utility model provides a kind of rotary blackboard.
The technical solution of the utility model is: a kind of rotary blackboard comprises several rotatable triangular prisms.With rotatable triangular prism being installed together side by side, triangular prism can collective's rotation, and like this, blackboard has just become operable three faces by an original face.
Helpful being of the present utility model: this rotary blackboard is practical, is simple and easy to usefulness, and conserve space is time saving and energy saving.
(4) description of drawings
Accompanying drawing is the structural representation of rotary blackboard of the present utility model.
(5) specific embodiment
As a kind of rotary blackboard of accompanying drawing, comprise several rotatable triangular prisms 1.With rotatable triangular prism 1 being installed together side by side, triangular prism 1 can collective's rotation, and like this, blackboard has just become operable three faces by an original face.
Claims (1)
1, a kind of rotary blackboard comprises several rotatable triangular prisms (1), it is characterized in that: above-mentioned rotatable triangular prism (1) being installed together side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201440954U CN201320897Y (en) | 2008-12-09 | 2008-12-09 | Rotary blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201440954U CN201320897Y (en) | 2008-12-09 | 2008-12-09 | Rotary blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201320897Y true CN201320897Y (en) | 2009-10-07 |
Family
ID=41158285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201440954U Expired - Fee Related CN201320897Y (en) | 2008-12-09 | 2008-12-09 | Rotary blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201320897Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802551A (en) * | 2014-01-22 | 2014-05-21 | 洛阳理工学院 | Blackboard with three surfaces capable of being turned |
| CN108357246A (en) * | 2018-01-26 | 2018-08-03 | 上海市格致中学 | A kind of three face rotary extension blackboards |
-
2008
- 2008-12-09 CN CNU2008201440954U patent/CN201320897Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802551A (en) * | 2014-01-22 | 2014-05-21 | 洛阳理工学院 | Blackboard with three surfaces capable of being turned |
| CN108357246A (en) * | 2018-01-26 | 2018-08-03 | 上海市格致中学 | A kind of three face rotary extension blackboards |
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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: 20091007 Termination date: 20100111 |