CN202507774U - Improved blackboard - Google Patents
Improved blackboard Download PDFInfo
- Publication number
- CN202507774U CN202507774U CN2012201659296U CN201220165929U CN202507774U CN 202507774 U CN202507774 U CN 202507774U CN 2012201659296 U CN2012201659296 U CN 2012201659296U CN 201220165929 U CN201220165929 U CN 201220165929U CN 202507774 U CN202507774 U CN 202507774U
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- CN
- China
- Prior art keywords
- blackboard
- improved
- eraser
- 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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- 238000004140 cleaning Methods 0.000 abstract 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to an improved blackboard comprising an arched blackboard surface which is provided with a blackboard eraser. According to the utility model, through the arrangement of the arched surface, the reflection of light does not happen at two ends of the blackboard, so that students sitting in the front row can clearly see handwritings at the two ends of the blackboard; through the arrangement of the blackboard eraser, the technical problem that the blackboard cleaning is time-consuming and effort-consuming is solved; and the improved blackboard is simple and convenient for use.
Description
Technical field
The utility model relates to a kind of teaching aid, relates to a kind of blackboard specifically.
Background technology
The blackboard that teaching is at present used all is the plane, and the student who takes one's seat in the front row is when looking at the blackboard, and the two ends of blackboard are easy to cause reflective, do not see the writing at blackboard two ends, and existing blackboard wastes time and energy when erasing the board, and uses inconvenience.
The utility model content
The problem that the utility model will solve is to above problem, and a kind of a kind of improved blackboard that solves the reflective and technical problem that wastes time and energy of erasing the board in blackboard two ends is provided.
For addressing the above problem, the technical scheme that the utility model adopted is: a kind of improved blackboard, comprise blackboard surface, and said blackboard surface is an arcuate surface, said blackboard surface is provided with blackboard eraser.
As a kind of improvement, the two ends up and down of said blackboard surface are provided with slideway, are slidingly fitted with connecting rod in the said slideway, and the free end of said connecting rod is connected with blackboard eraser, and the width of said blackboard eraser equates with the width of said blackboard surface at least.
The utility model is taked above technical scheme, has the following advantages: a kind of improved blackboard, comprise blackboard surface, and said blackboard surface is an arcuate surface, said blackboard surface is provided with blackboard eraser; The setting of arcuate surface makes the blackboard two ends can be not reflective, is sitting in the writing that front-seat student can not see the blackboard two ends, and the setting of blackboard eraser, the technical problem that having solved erases the board wastes time and energy uses simple and convenient.
Below in conjunction with Fig. 1, Fig. 2, Fig. 3 and embodiment the utility model is described further.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 be among Fig. 1 A-A to profile.
Among the figure: the 1-blackboard surface; The 2-blackboard eraser; The 3-slideway; The 4-connecting rod.
The specific embodiment
Embodiment: a kind of improved blackboard, comprise blackboard surface 1, said blackboard surface 1 is an arcuate surface, said blackboard surface 1 is provided with blackboard eraser 2; The two ends up and down of said blackboard surface 1 are provided with slideway 3, are slidingly fitted with connecting rod 4 in the said slideway 3, and the free end of said connecting rod 4 is connected with blackboard eraser 2, and the width of said blackboard eraser 2 equates with the width of blackboard surface 1 at least.The setting of arcuate surface makes the blackboard two ends can be not reflective, is sitting in the writing that front-seat student can not see the blackboard two ends, and the setting of blackboard eraser, the technical problem that having solved erases the board wastes time and energy uses simple and convenient.
Claims (2)
1. an improved blackboard comprises blackboard surface, it is characterized in that: said blackboard surface is an arcuate surface, and said blackboard surface is provided with blackboard eraser.
2. a kind of improved blackboard as claimed in claim 1; It is characterized in that: the two ends up and down of said blackboard surface are provided with slideway; Be slidingly fitted with connecting rod in the said slideway, the free end of said connecting rod is connected with blackboard eraser, and the width of said blackboard eraser equates with the width of said blackboard surface at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201659296U CN202507774U (en) | 2012-04-11 | 2012-04-11 | Improved blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201659296U CN202507774U (en) | 2012-04-11 | 2012-04-11 | Improved blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202507774U true CN202507774U (en) | 2012-10-31 |
Family
ID=47060276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201659296U Expired - Fee Related CN202507774U (en) | 2012-04-11 | 2012-04-11 | Improved blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202507774U (en) |
-
2012
- 2012-04-11 CN CN2012201659296U patent/CN202507774U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20130411 |