CN102390201A - Environmentally-friendly blackboard - Google Patents
Environmentally-friendly blackboard Download PDFInfo
- Publication number
- CN102390201A CN102390201A CN2011104125286A CN201110412528A CN102390201A CN 102390201 A CN102390201 A CN 102390201A CN 2011104125286 A CN2011104125286 A CN 2011104125286A CN 201110412528 A CN201110412528 A CN 201110412528A CN 102390201 A CN102390201 A CN 102390201A
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- China
- Prior art keywords
- blackboard
- dust
- environmentally
- friendly
- receiving groove
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- 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.)
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Abstract
The invention relates to an environmentally-friendly blackboard and belongs to a teaching implement, and the environmentally-friendly blackboard is mainly used for solving the problem of dust flying during erasing of the traditional blackboard. The environmentally-friendly blackboard comprises a blackboard body, wherein a dust receiving groove which is vertical to the bottom edge of the blackboard body and is provided with an upward opening is arranged at the bottom of the blackboard body, and an electric dust collector is arranged on one side of the dust receiving groove. The environmentally-friendly blackboard can be used for effectively reducing and avoiding the harm of dust to a human body and the influence of the dust on an environment without hindering the smooth progress of teaching work; and furthermore, the operation is simple and convenient.
Description
Technical field
The present invention relates to a kind of teaching aid, specifically is a kind of environment friendly blackboard.
Background technology
Class hour on to the student; For ease of understanding and memory, for key content, teacher can write at the enterprising running hand of blackboard with chalk every now and then; When erasing the board in order to prevent dust from flying; The mode that adopts wet cloth or blackboard eraser to add water is mostly wiped, but the blackboard that nuzzles up like this is difficult to bone dry, and influence is used.In addition; The dust that flies upward also can be inhaled in the lung; The pneumoconiosis and the various acute and chronic breathing problem that cause thus can cause very big injury to health, and dust also can not look down upon to the injury of eyes, ear, skin, to the influence of air quality and to influence of myopia or the like.
The utility model content
The object of the present invention is to provide a kind of environment friendly blackboard, this blackboard can adsorb the dust that produces when erasing the board fast, avoids dust from flying.
The present invention solves the technical scheme that its technical problem takes: a kind of environment friendly blackboard, comprise the blackboard body, and described blackboard body bottom is provided with the opening dust receiving groove up perpendicular to blackboard body base, and a side of dust receiving groove is provided with electric dust collector.
The invention has the beneficial effects as follows: be provided with dust catcher, can effectively reduce and avoid dust, do not hinder carrying out smoothly of teaching to the harm of human body with to the influence of environment, easy and simple to handle.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Among the figure: 1 blackboard body, 2 dust receiving grooves, 3 dust catchers.
The specific embodiment
As shown in Figure 1.A kind of environment friendly blackboard comprises blackboard body 1, and described blackboard body 1 bottom is provided with the opening dust receiving groove 2 up perpendicular to blackboard body 1 base, and a side of dust receiving groove 2 is provided with electric dust collector 3.
When wiping examination blackboard body 1 with blackboard eraser, with dust catcher 3 energized, dust catcher 3 work suck unrestrained dust in the feculence box of dust catcher 3, regularly clear up to get final product.
Claims (1)
1. an environment friendly blackboard comprises the blackboard body, it is characterized in that, described blackboard body bottom is provided with the opening dust receiving groove up perpendicular to blackboard body base, and a side of dust receiving groove is provided with electric dust collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104125286A CN102390201A (en) | 2011-12-12 | 2011-12-12 | Environmentally-friendly blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104125286A CN102390201A (en) | 2011-12-12 | 2011-12-12 | Environmentally-friendly blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102390201A true CN102390201A (en) | 2012-03-28 |
Family
ID=45857633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104125286A Pending CN102390201A (en) | 2011-12-12 | 2011-12-12 | Environmentally-friendly blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102390201A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201124671Y (en) * | 2007-12-10 | 2008-10-01 | 王足旭 | Dust-less blackboard |
| CN201357659Y (en) * | 2009-02-24 | 2009-12-09 | 周小欣 | Blackboard capable of absorbing dust |
| CN201761213U (en) * | 2010-09-02 | 2011-03-16 | 郭简豪 | Hygienic blackboard |
| CN201816341U (en) * | 2010-10-14 | 2011-05-04 | 王乾龙 | Blackboard with dust collector |
| CN202413112U (en) * | 2011-12-12 | 2012-09-05 | 李晓寒 | Environment-friendly blackboard |
-
2011
- 2011-12-12 CN CN2011104125286A patent/CN102390201A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201124671Y (en) * | 2007-12-10 | 2008-10-01 | 王足旭 | Dust-less blackboard |
| CN201357659Y (en) * | 2009-02-24 | 2009-12-09 | 周小欣 | Blackboard capable of absorbing dust |
| CN201761213U (en) * | 2010-09-02 | 2011-03-16 | 郭简豪 | Hygienic blackboard |
| CN201816341U (en) * | 2010-10-14 | 2011-05-04 | 王乾龙 | Blackboard with dust collector |
| CN202413112U (en) * | 2011-12-12 | 2012-09-05 | 李晓寒 | Environment-friendly blackboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120328 |