CN102079203A - Blackboard with chalk powder cleaning groove - Google Patents
Blackboard with chalk powder cleaning groove Download PDFInfo
- Publication number
- CN102079203A CN102079203A CN2009101997721A CN200910199772A CN102079203A CN 102079203 A CN102079203 A CN 102079203A CN 2009101997721 A CN2009101997721 A CN 2009101997721A CN 200910199772 A CN200910199772 A CN 200910199772A CN 102079203 A CN102079203 A CN 102079203A
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- China
- Prior art keywords
- cleaning groove
- blackboard
- chalk dust
- chalk powder
- groove
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Abstract
The invention belongs to a teaching aid, in particular provides a blackboard with a chalk powder cleaning groove. When the existing blackboard is cleaned, chalk powder scatters everywhere on the floor, so that the cleanness of a classroom is influenced. When the floor is swept, the chalk powder flies everywhere, so that the health of teachers and students is influenced. The two sides at the lower part of the blackboard (1) provided by the invention are respectively provided with brackets; the chalk powder cleaning groove is connected with the brackets through screws (2); the lower part of the chalk powder cleaning groove is provided with a chalk powder collecting box (6); the cleaning groove is divided into three sections (3), (4) and (5); and the cleaning groove can be rotated to be tilted downwards, thus the chalk powder automatically flows into the chalk powder collecting box. The blackboard provided by the invention has the advantage of simple structure, is convenient to use, is easy to produce and install and is not easy to damage.
Description
Technical field
The invention belongs to teaching aid, specifically a kind of blackboard that has chalk dust cleaning groove.
Background technology
Blackboard is the teaching aid of each classroom indispensability in the school, and teacher writes on blackboard with chalk, and when erasing the board, the ground, bottom of blackboard is chalk dust everywhere, and this has influenced the classroom health.When sweeping the floor, chalk dust flies upward, and influences the healthy of teacher and classmate again.Therefore invent a kind of protection classroom floor cleaning, the blackboard that has chalk dust cleaning groove that protection teacher and classmate are healthy is necessary.
Summary of the invention
The objective of the invention is: invent a kind of protection classroom floor cleaning, the blackboard that has chalk dust cleaning groove that protection teacher and classmate are healthy.
The object of the present invention is achieved like this:
Have the blackboard of chalk dust cleaning groove, the both sides, bottom of blackboard frame have support respectively, and chalk dust cleaning groove is connected by screw with support, and the bottom of chalk dust cleaning groove is provided with chalk dust and collects box.
Chalk dust cleaning groove is divided into three sections, and the cleaning groove of both sides is connected with screw on the support of the left and right sides, blackboard bottom respectively, and the cleaning groove at middle part is connected with screw on the adjacent cleaning groove.
The both sides, top that chalk dust is collected box have iron wire to be connected with the cleaning groove.
Main points of the present invention are: establish chalk dust cleaning groove in the blackboard bottom, the cleaning groove can rotate downward-sloping, makes chalk dust flow into chalk dust automatically and collects box.
For easy to use, chalk dust cleaning groove is divided into three sections of left, center, rights, about two sections be connected with screw on the support of the blackboard frame left and right sides respectively, the cleaning groove in stage casing is connected with screw on the cleaning groove of an adjacent side.
For removing chalk dust easy to use, chalk dust is collected box and is flexibly connected with iron wire with the cleaning groove, can take off easily and by last.
The present invention is applicable to the blackboard of various sizes; Be applicable to the blackboard of various needs of work such as classroom, meeting room, office.
Advantage of the present invention is:
1, easy to use.
2, simple in structure, produce and install easily.
3, not fragile.
Description of drawings
Fig. 1 is product structure figure of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention will be further described by the specific embodiment.
Embodiment 1:
The blackboard of groove is cleared up with having chalk dust in the classroom, long 4 meters of blackboard (1), high 3 meters, the both sides, bottom of blackboard frame have the corrosion resistant plate support respectively, the bottom of blackboard (1) is provided with three sections chalk dust cleaning grooves, chalk dust cleaning groove is connected by screw (2) with support, the bottom of chalk dust cleaning groove is provided with chalk dust and collects box (6). and chalk dust cleaning groove is divided into cleaning groove (3), cleaning groove (4), (5) three sections of cleaning grooves, cleaning groove (3) and cleaning groove (5) are connected with screw (2) on the support of the blackboard frame left and right sides respectively, and cleaning groove (4) is connected with screw (2) on the cleaning groove (3). and there is iron wire the both sides, top that chalk dust is collected box (6) and clears up groove (4) and clear up groove (5) flexible connection.
Embodiment 2:
Meeting room is cleared up the blackboard of groove with having chalk dust, long 6 meters of blackboard (1), high 3.5 meters, the both sides, bottom of blackboard frame have the corrosion resistant plate support respectively, the bottom of blackboard (1) is provided with three sections chalk dust cleaning grooves, chalk dust cleaning groove is connected by screw (2) with support, the bottom of chalk dust cleaning groove is provided with chalk dust and collects box (6). and chalk dust cleaning groove is divided into cleaning groove (3), cleaning groove (4), (5) three sections of cleaning grooves, cleaning groove (3) and cleaning groove (5) are connected with screw (2) on the support of the blackboard frame left and right sides respectively, and cleaning groove (4) is connected with screw (2) on the cleaning groove (3). and there is iron wire the both sides, top that chalk dust is collected box (6) and clears up groove (4) and clear up groove (5) flexible connection.
The foregoing description only is a preference of the present invention, is not used for limiting the present invention, and all within principle of the present invention, any modification, variation, accommodation or the alternative made are all within protection scope of the present invention.
Claims (3)
1. a blackboard that has chalk dust cleaning groove is made up of blackboard (1), and it is characterized in that: the both sides, bottom of blackboard frame have support respectively, and chalk dust cleaning groove is connected by screw (2) with support, and the bottom of chalk dust cleaning groove is provided with chalk dust and collects box (6).
2. the blackboard that has chalk dust cleaning groove according to claim 1, it is characterized in that: chalk dust cleaning groove is divided into cleaning groove (3), cleaning groove (4), clears up (5) three sections of grooves, cleaning groove (3) and cleaning groove (5) are connected with screw (2) on the support of the left and right sides, blackboard bottom respectively, clear up groove (4) and the screw (2) cleared up on the groove (3) is connected.
3. the blackboard that has chalk dust cleaning groove according to claim 1 is characterized in that: the both sides, top that chalk dust is collected box (6) have iron wire to be connected with cleaning groove (5) with cleaning groove (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101997721A CN102079203A (en) | 2009-11-30 | 2009-11-30 | Blackboard with chalk powder cleaning groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101997721A CN102079203A (en) | 2009-11-30 | 2009-11-30 | Blackboard with chalk powder cleaning groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102079203A true CN102079203A (en) | 2011-06-01 |
Family
ID=44085481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101997721A Pending CN102079203A (en) | 2009-11-30 | 2009-11-30 | Blackboard with chalk powder cleaning groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102079203A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717638A (en) * | 2012-07-13 | 2012-10-10 | 丁栋 | Environment-friendly dedusting blackboard |
| CN104476951A (en) * | 2014-11-30 | 2015-04-01 | 黄继昌 | Multifunctional blackboard |
| CN107471872A (en) * | 2017-08-04 | 2017-12-15 | 合肥名华教育科技有限公司 | A kind of chalk dust automatic tipping device based on education |
| CN108437665A (en) * | 2018-03-28 | 2018-08-24 | 张宸熙 | A kind of chalk dust automatic tipping device based on education |
| CN109159582A (en) * | 2018-09-03 | 2019-01-08 | 温州大学 | A kind of blackboard based on the dedicated changeable teaching pattern in the classroom VR |
| CN111216475A (en) * | 2020-01-09 | 2020-06-02 | 南京中视联教育科学技术研究中心 | Blackboard capable of being cleaned for teaching |
-
2009
- 2009-11-30 CN CN2009101997721A patent/CN102079203A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717638A (en) * | 2012-07-13 | 2012-10-10 | 丁栋 | Environment-friendly dedusting blackboard |
| CN104476951A (en) * | 2014-11-30 | 2015-04-01 | 黄继昌 | Multifunctional blackboard |
| CN107471872A (en) * | 2017-08-04 | 2017-12-15 | 合肥名华教育科技有限公司 | A kind of chalk dust automatic tipping device based on education |
| CN108437665A (en) * | 2018-03-28 | 2018-08-24 | 张宸熙 | A kind of chalk dust automatic tipping device based on education |
| CN109159582A (en) * | 2018-09-03 | 2019-01-08 | 温州大学 | A kind of blackboard based on the dedicated changeable teaching pattern in the classroom VR |
| CN111216475A (en) * | 2020-01-09 | 2020-06-02 | 南京中视联教育科学技术研究中心 | Blackboard capable of being cleaned for teaching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110601 |