CN203198510U - Powder removing blackboard - Google Patents
Powder removing blackboard Download PDFInfo
- Publication number
- CN203198510U CN203198510U CN 201320217145 CN201320217145U CN203198510U CN 203198510 U CN203198510 U CN 203198510U CN 201320217145 CN201320217145 CN 201320217145 CN 201320217145 U CN201320217145 U CN 201320217145U CN 203198510 U CN203198510 U CN 203198510U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- powder
- suction port
- dust
- dust removing
- 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
- 239000000843 powder Substances 0.000 title abstract 13
- 239000000428 dust Substances 0.000 claims description 41
- 238000007664 blowing Methods 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical group [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Images
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a powder removing blackboard which comprises a blackboard body. An upper edge frame and a lower edge frame of the blackboard body are respectively provided with a long-strip-shaped powder suction inlet in a fixing mode. The two powder suction inlets extend out of the surface of the blackboard body, the opening ends of the two powder suction inlets are opposite to each other, and the powder suction inlets are connected with a powder collector through a pipeline. Due to the fact that the upper edge frame and the lower edge frame of the powder removing blackboard are provided with the powder suction inlets which are used for sucking the powder scattered in the process of writing, powder damage to the human body can be effectively reduced when a teacher gives a lecture, and students can also be free from the powder damage when wiping the blackboard. The pollution of the powder can be effectively avoided, and a classroom is kept clean.
Description
Technical field
The utility model relates to teaching aid, is specifically related to a kind of dust removing blackboard.
Background technology
The present school in a lot of central and west regions and remote countryside mountain area, use all be extremely simple and crude classroom blackboard, though along with the development of national economy, the input of educational undertaking is constantly increased a lot of local traditional educational alternatives that still using.
Teacher need write with chalk at school the time, and the composition of chalk is a kind of white depositions of calcium sulfate, is not easy to be decomposed, and the chalk dust particle also wants big to the common dust of the hazard ratio of human body, all deeply hurts a lot of teachers of a line throughout the year.
The utility model content
Technical problem to be solved in the utility model is that traditional chalk and blackboard is seriously polluted, to the big problem of human body harm.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts provides a kind of dust removing blackboard, comprise the blackboard body, the suction port that a strip is fixedly arranged respectively on the upper and lower side frame of described blackboard body, surface and openend that two described suction ports stretch out described blackboard body are oppositely arranged, and described suction port is connected with dust catcher by pipeline.
In above-mentioned dust removing blackboard, the power switch of described dust catcher and adjusting button are positioned on the metope of described blackboard body one side.
In above-mentioned dust removing blackboard, the horizontal sides appearance of the length of described suction port and blackboard body etc., and the openend of suction port is a plurality of circular holes that are arranged side by side.
In above-mentioned dust removing blackboard, described dust catcher is quiet dust catcher.
In above-mentioned dust removing blackboard, the left and right side frame of described blackboard body also fixedly has the suction port of strip respectively.
In above-mentioned dust removing blackboard, power line and the pipeline of described dust catcher are positioned at body of wall.
On the upper and lower side frame of the dust removing blackboard that the utility model provides suction port is housed, be used for sucking the dust of when writing, blowing out, the teacher can effectively reduce dust to the harm of human body at school the time like this, the student also avoids its evil when erasing the board, can effectively solve the pollution of chalk dust, keep the cleaning in classroom.
Description of drawings
The structural representation of the dust removing blackboard that Fig. 1 provides for the utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is made detailed explanation.
As shown in Figure 1, the dust removing blackboard that the utility model provides comprises blackboard body 1, the suction port 2 that a strip is fixedly arranged respectively on the upper and lower side frame of blackboard body 1, surface and openend that two suction ports 2 stretch out blackboard body 1 are oppositely arranged, suction port 2 is connected with dust catcher 4 by pipeline 3, and dust catcher 4 is quiet dust catcher in the present embodiment.
In the present embodiment, the length of suction port 2 can also with horizontal sides appearance of blackboard body 1 etc., and the openend of suction port 2 is a plurality of circular holes that are arranged side by side, and the left and right side frame of blackboard body 1 can also fixedly have the suction port of strip respectively.
The power switch 41 of dust catcher 4 and adjusting button 42 are positioned on the metope of blackboard body 1 one sides, are convenient to user's manual adjustments.The power line of dust catcher 4 and pipeline 3 can be positioned at body of wall, seem cleaner and tidier, and be not only attractive in appearance but also can prevent from being destroyed by the student.
The utility model is not limited to above-mentioned preferred forms, and anyone should learn the structural change of making under enlightenment of the present utility model, every with the utlity model has identical or close technical scheme, all fall within the protection domain of the present utility model.
Claims (6)
1. dust removing blackboard, comprise the blackboard body, it is characterized in that the suction port of a strip is fixedly arranged respectively on the upper and lower side frame of described blackboard body, surface and openend that two described suction ports stretch out described blackboard body are oppositely arranged, and described suction port is connected with dust catcher by pipeline.
2. dust removing blackboard as claimed in claim 1 is characterized in that, the power switch of described dust catcher and adjusting button are positioned on the metope of described blackboard body one side.
3. dust removing blackboard as claimed in claim 1 is characterized in that, the horizontal sides appearance of the length of described suction port and blackboard body etc., and the openend of suction port is a plurality of circular holes that are arranged side by side.
4. dust removing blackboard as claimed in claim 1 is characterized in that, described dust catcher is quiet dust catcher.
5. dust removing blackboard as claimed in claim 1 is characterized in that, the left and right side frame of described blackboard body also fixedly has the suction port of strip respectively.
6. dust removing blackboard as claimed in claim 1 is characterized in that, power line and the pipeline of described dust catcher are positioned at body of wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320217145 CN203198510U (en) | 2013-04-25 | 2013-04-25 | Powder removing blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320217145 CN203198510U (en) | 2013-04-25 | 2013-04-25 | Powder removing blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203198510U true CN203198510U (en) | 2013-09-18 |
Family
ID=49142647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320217145 Expired - Fee Related CN203198510U (en) | 2013-04-25 | 2013-04-25 | Powder removing blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203198510U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105835573A (en) * | 2016-06-09 | 2016-08-10 | 绵阳圣典知识产权技术服务有限公司 | Motor-based dust collection type writing board for teaching |
| CN107757195A (en) * | 2017-09-02 | 2018-03-06 | 张瑞君 | A kind of collection apparatus for ash of blackboard for teaching |
-
2013
- 2013-04-25 CN CN 201320217145 patent/CN203198510U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105835573A (en) * | 2016-06-09 | 2016-08-10 | 绵阳圣典知识产权技术服务有限公司 | Motor-based dust collection type writing board for teaching |
| CN107757195A (en) * | 2017-09-02 | 2018-03-06 | 张瑞君 | A kind of collection apparatus for ash of blackboard for teaching |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203198510U (en) | Powder removing blackboard | |
| CN206493763U (en) | A kind of blackboard for English teaching | |
| CN204210212U (en) | A kind of blackboard automatic flushing device | |
| CN204398650U (en) | A kind of blackboard with groove for collecting chalk dust | |
| CN207291429U (en) | A kind of driven blackboard of sanitation and hygiene | |
| CN205970493U (en) | Multi -functional blackboard | |
| CN203766326U (en) | Portable chinese teaching blackboard | |
| CN202080012U (en) | Dust suction blackboard eraser | |
| CN202541103U (en) | Blackboard with cord fabric | |
| CN204472281U (en) | The double-deck light board of a kind of environment-friendly type | |
| CN204451693U (en) | Rain brush type blackboard | |
| CN204576896U (en) | English teaching board | |
| CN205292023U (en) | Multifunctional blackboard that teaching of management science used | |
| CN207105961U (en) | A kind of board for teaching mathematics | |
| CN204136638U (en) | The semi-automatic blackboard of a kind of slidingtype | |
| CN204488294U (en) | A kind of English teaching assistive device | |
| CN205344252U (en) | Primary school's chinese teaching aid | |
| CN201745321U (en) | Dust-free blackboard | |
| CN202847236U (en) | Novel blackboard | |
| CN204749652U (en) | English marking tool | |
| CN204322857U (en) | A kind of dust absorption blackboard eraser | |
| CN206819576U (en) | A kind of assembly type English dictation teaching aid | |
| CN207644016U (en) | Multi-functional blackboard | |
| CN202375314U (en) | Accepting box of platform | |
| CN208774352U (en) | A kind of blackboard for education for being conducive to improve teaching, training efficiency |
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: 20130918 Termination date: 20140425 |