CN202507775U - Blackboard - Google Patents

Blackboard Download PDF

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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
Application number
CN201220168143XU
Other languages
Chinese (zh)
Inventor
管延忠
王建春
Original Assignee
管延忠
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 管延忠 filed Critical 管延忠
Priority to CN201220168143XU priority Critical patent/CN202507775U/en
Application granted granted Critical
Publication of CN202507775U publication Critical patent/CN202507775U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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

A kind of blackboard
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.
CN201220168143XU 2012-04-11 2012-04-11 Blackboard Expired - Fee Related CN202507775U (en)

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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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