CN202507775U - Blackboard - Google Patents
Blackboard Download PDFInfo
- Publication number
- CN202507775U CN202507775U CN201220168143XU CN201220168143U CN202507775U CN 202507775 U CN202507775 U CN 202507775U CN 201220168143X U CN201220168143X U CN 201220168143XU CN 201220168143 U CN201220168143 U CN 201220168143U CN 202507775 U CN202507775 U CN 202507775U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- dust collecting
- utility
- model
- collecting groove
- 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 blackboard comprising an arched blackboard surface, wherein the lower end of the blackboard surface is provided with a dust collecting groove. 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 to ensure that students sitting in the front row can clearly see handwritings at the two ends of the blackboard; and through the arrangement of the dust collecting groove, the chalk dust collecting and the cleaning are convenient and the dust collecting groove can be used for placing a blackboard eraser.
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.
The utility model content
The problem that the utility model will solve is to above problem, and a kind of a kind of blackboard that solves the reflective technical problem in blackboard two ends is provided.
For addressing the above problem, the technical scheme that the utility model adopted is: a kind of blackboard, comprise blackboard surface, and said blackboard surface is an arcuate surface, the lower end of said blackboard surface is provided with ash collection slot.
The utility model is taked above technical scheme, has the following advantages: a kind of blackboard, comprise blackboard surface, and said blackboard surface is an arcuate surface, the lower end of said blackboard surface is provided with ash collection slot; 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 ash collection slot, and the convenient chalk dust of collecting is convenient to sweep, and can be used for placing blackboard eraser.
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-ash collection slot.
The specific embodiment
Embodiment: a kind of blackboard, comprise blackboard surface 1, said blackboard surface 1 is an arcuate surface, the lower end of said blackboard surface 1 is provided with ash collection slot 2.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 ash collection slot, and the convenient chalk dust of collecting is convenient to sweep, and can be used for placing blackboard eraser.
Claims (1)
1. a blackboard comprises blackboard surface, it is characterized in that: said blackboard surface is an arcuate surface, and the lower end of said blackboard surface is provided with ash collection slot.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201220168143XU CN202507775U (en) | 2012-04-11 | 2012-04-11 | Blackboard |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201220168143XU CN202507775U (en) | 2012-04-11 | 2012-04-11 | Blackboard |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202507775U true CN202507775U (en) | 2012-10-31 |
Family
ID=47060277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201220168143XU Expired - Fee Related CN202507775U (en) | 2012-04-11 | 2012-04-11 | Blackboard |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202507775U (en) |
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2012
- 2012-04-11 CN CN201220168143XU patent/CN202507775U/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 |