CN201357659Y - Blackboard capable of absorbing dust - Google Patents
Blackboard capable of absorbing dust Download PDFInfo
- Publication number
- CN201357659Y CN201357659Y CNU2009200956293U CN200920095629U CN201357659Y CN 201357659 Y CN201357659 Y CN 201357659Y CN U2009200956293 U CNU2009200956293 U CN U2009200956293U CN 200920095629 U CN200920095629 U CN 200920095629U CN 201357659 Y CN201357659 Y CN 201357659Y
- Authority
- CN
- China
- Prior art keywords
- blackboard
- dust
- absorbing
- fan
- utility
- 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
Links
- 239000000428 dust Substances 0.000 title claims abstract description 21
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
Images
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a blackboard capable of absorbing dust, which is mainly characterized in that a fan pipe on which dust absorbing holes are evenly distributed is fixedly installed at the lower end face of the backboard; and a fan below which a dust collector bag is installed, is fixedly installed at one end of the blackboard. The fan pipe used for absorbing dust is directly installed at the lower end of the blackboard and dust can be absorbed through the dust absorbing holes arranged on the fan pipe. The blackboard solves the problem that the teachers inhale dust when writing on a blackboard and improves the hygiene level of the environment. Therefore, the blackboard is good for the physical health of the teachers and the students.
Description
Technical field
The utility model belongs to the blackboard of teaching, but especially a kind of blackboard of dust suction.
Background technology
Existing blackboard is owing to adopt chalk to write, and dust from flying causes the PUD D of Faculty and Students easily.Though have some blackboards to possess the function of dust suction, structure is very complicated, the cost height is not easy to promote.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art part, but a kind of blackboard with dust suction of dust-absorbing function is provided.
The purpose of this utility model is achieved in that
Install a uniform air blower tube that is shaped on air suction opening on it in the lower surface of blackboard, be fixed with the blower fan that it is equipped with dust bag down at an end of this blackboard.
Advantage of the present utility model and good effect are:
The air blower tube of one dust suction directly is installed in the blackboard lower end, can be sucked dust, solved the teacher sucks dust in writing process a difficult problem, improved environmental sanitary quality, help the healthy of Faculty and Students by air suction opening made on the air blower tube.
Description of drawings
Fig. 1 is a front view of the present utility model;
Fig. 2 is the vertical view of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing the utility model embodiment is further described:
But a kind of blackboard of dust suction is made of blower fan 4, air blower tube 2, blackboard 1, and air blower tube is packed in the lower surface of blackboard, and its mounting means can adopt screw to install, the uniform air suction opening 3 that is shaped on this air blower tube.End at this blackboard is fixed with the blower fan that it is equipped with dust bag 5 down.
Claims (1)
1. but the blackboard of a dust suction is made of blower fan, air blower tube, blackboard, it is characterized in that: install a uniform air blower tube that is shaped on air suction opening on it in the lower surface of blackboard, be fixed with the blower fan that it is equipped with dust bag down at an end of this blackboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200956293U CN201357659Y (en) | 2009-02-24 | 2009-02-24 | Blackboard capable of absorbing dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200956293U CN201357659Y (en) | 2009-02-24 | 2009-02-24 | Blackboard capable of absorbing dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201357659Y true CN201357659Y (en) | 2009-12-09 |
Family
ID=41423422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200956293U Expired - Fee Related CN201357659Y (en) | 2009-02-24 | 2009-02-24 | Blackboard capable of absorbing dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201357659Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241221A (en) * | 2010-12-31 | 2011-11-16 | 上海市航头学校 | Chalk dust absorber |
| CN102390201A (en) * | 2011-12-12 | 2012-03-28 | 李晓寒 | Environmentally-friendly blackboard |
| CN106862224A (en) * | 2017-03-06 | 2017-06-20 | 邱崇晟 | A kind of teaching board of education |
| CN108422777A (en) * | 2018-06-19 | 2018-08-21 | 田振宇 | A kind of detecting trigger-type air control dust blackboard system |
| CN108501593A (en) * | 2018-06-19 | 2018-09-07 | 田振宇 | One kind having the blackboard system that actively gathers dust |
-
2009
- 2009-02-24 CN CNU2009200956293U patent/CN201357659Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241221A (en) * | 2010-12-31 | 2011-11-16 | 上海市航头学校 | Chalk dust absorber |
| CN102390201A (en) * | 2011-12-12 | 2012-03-28 | 李晓寒 | Environmentally-friendly blackboard |
| CN106862224A (en) * | 2017-03-06 | 2017-06-20 | 邱崇晟 | A kind of teaching board of education |
| CN108422777A (en) * | 2018-06-19 | 2018-08-21 | 田振宇 | A kind of detecting trigger-type air control dust blackboard system |
| CN108501593A (en) * | 2018-06-19 | 2018-09-07 | 田振宇 | One kind having the blackboard system that actively gathers dust |
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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: 20091209 Termination date: 20110224 |