CN109435547A - A kind of black board eraser with chalk-dust collector - Google Patents
A kind of black board eraser with chalk-dust collector Download PDFInfo
- Publication number
- CN109435547A CN109435547A CN201811340391.6A CN201811340391A CN109435547A CN 109435547 A CN109435547 A CN 109435547A CN 201811340391 A CN201811340391 A CN 201811340391A CN 109435547 A CN109435547 A CN 109435547A
- Authority
- CN
- China
- Prior art keywords
- dust
- fan
- blackboard eraser
- chalk
- eraser body
- 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.)
- Pending
Links
- 239000000428 dust Substances 0.000 title claims abstract description 37
- 230000005484 gravity Effects 0.000 claims abstract description 12
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 4
- 235000021186 dishes Nutrition 0.000 claims abstract description 4
- 235000009566 rice Nutrition 0.000 claims abstract description 4
- 240000007594 Oryza sativa Species 0.000 claims abstract 2
- 238000005192 partition Methods 0.000 claims description 14
- 241000209094 Oryza Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 241001633942 Dais Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The present invention relates to realia technical fields, more particularly to a kind of black board eraser with chalk-dust collector, the bottom surface of blackboard eraser body is equipped with circular brush layer, it is divided into working lining and control layer in blackboard eraser body, fan chamber and two dust-collecting cavities are equipped in working lining, fan is equipped in fan chamber, the air inlet of fan is connected in annular layers of brush bristles and eats dishes without rice or wine, the two sides of fan chamber are connected to two dust-collecting cavities by tapered channel respectively, the small end of tapered channel is towards dust-collecting cavity, and two tapered channels are respectively facing the diagonally opposing corner direction of working lining, the both ends of the surface of blackboard eraser body are respectively equipped with the filter plate of connection dust-collecting cavity, master control borad and battery are equipped in the control layer, master control borad is equipped with gravity sensing module, master control borad respectively with battery, fan connects and can control starting and stopping for fan according to the signal of gravity sensing module；A kind of black board eraser with chalk-dust collector of the present invention, when use, can be automatically drawn into dust, prevent dust pollution classroom environment, and can collect automatically dust and prevent from revealing.
Description
Technical field
The present invention relates to realia technical fields, and in particular to a kind of black board eraser with chalk-dust collector.
Background technique
Blackboard eraser is essential tool on the dais of classroom, and blackboard eraser in use, can generate a large amount of chalk
End, although present chalk has been much dust-free chalk, when being only limitted to write, blackboard eraser also occurs reducing dust,
But the time has been grown and has still suffered from many chalk powders and overlay on blackboard eraser, or falls within the lower section of blackboard, cleaning is got up very unavoidably,
And it is easy pollution classroom environment, it is endangered to the health care belt of academics and students.
Summary of the invention
The task of the present invention is a kind of black board eraser with chalk-dust collector is provided, structure is simple, and when use can be automatically drawn into dust, prevents
Dust pollution classroom environment, and dust can be collected automatically and prevent from revealing.
The present invention is realized by following technical proposals:
The bottom surface of a kind of black board eraser with chalk-dust collector, including blackboard eraser body, blackboard eraser body is equipped with circular brush layer, blackboard eraser sheet
It is divided into working lining and control layer by being parallel to the partition of bottom surface in vivo, is equipped with fan chamber and two dust-collecting cavities, wind in working lining
Fan it is intracavitary be equipped with electric fan, the air inlet of fan towards and be connected in annular layers of brush bristles and eat dishes without rice or wine, the two sides difference of fan chamber
Two dust-collecting cavities are connected to by tapered channel, and the small end of tapered channel is towards dust-collecting cavity, and two tapered channels court respectively
To the diagonally opposing corner direction of working lining, the both ends of the surface of blackboard eraser body are respectively equipped with the filter plate of connection dust-collecting cavity, in the control layer
Equipped with master control borad and battery, master control borad is equipped with gravity sensing module, and master control borad connect with battery, fan respectively and being capable of basis
The signal of gravity sensing module controls starting and stopping for fan.
It is preferred that the partition is fixedly connected with the shell of the blackboard eraser body, and the top cover of partition and blackboard eraser body
It being connected by screw to, the working lining is respectively fixedly disposed at the two sides of blackboard eraser body bottom surface with the circular brush layer, and
It is detachably connected with the shell of blackboard eraser body by buckle.
It is preferred that the black board eraser with chalk-dust collector further includes switch button, the switch button is exposed to the blackboard eraser body
Side, switch button connect the master control borad or the fan so as to control starting and stopping for fan.
It is preferred that the master control borad is fixed on partition, the partition is equipped with the battery cavities of set battery.
Compared to the prior art, the beneficial effects of the present invention are: structure is simple, when use, can be automatically drawn into dust, prevent
Only dust pollution classroom environment, and dust can be collected automatically and prevent from revealing；Setting fan chamber, two dust-collecting cavities and two
Tapered channel, by fan by dust suction fan chamber when use, since two tapered channels are respectively facing the oblique right of working lining
Angular direction, no matter how user holds blackboard eraser, under gravity, it is ensured that dust in fan chamber at least through
The tapered channel of side flows into dust-collecting cavity, to avoid when fan does not rotate, dust is leaked out from fan chamber, tapered channel
Small end towards dust-collecting cavity, dust can be effectively prevented from dust-collecting cavity and flow back into fan chamber；Gravity sensing module is set, by black
Blackboard eraser using when rock triggering starting fan, realize blackboard eraser and start automatically when in use, be automatically closed when not in use, both
Energy conservation but conveniently；Working lining and control layer isolation sealed to each other prevent dust from entering control layer and pollute, reveal or damage.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of black board eraser with chalk-dust collector of the present invention；
Fig. 2 is the decomposition texture schematic diagram of Fig. 1.
Wherein: blackboard eraser body 1, working lining 11, fan chamber 111, dust-collecting cavity 112,113 control layer 12 of tapered channel, every
Plate 13, battery cavities 131, filter plate 14, shell 15, top cover 16, circular brush layer 2, fan 3, battery 5, switch button 6, gravity-feed tank
Answer module 7, buckle 8.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that say that the specific embodiment of description is used only for explaining the present invention herein, and
It is not used in the restriction present invention.
As shown in Figure 1, 2, the bottom surface of a kind of black board eraser with chalk-dust collector, including blackboard eraser body 1, blackboard eraser body 1 is equipped with annular
Layers of brush bristles 2 is divided for working lining 11 and control layer 12 by being parallel to the partition 13 of bottom surface in blackboard eraser body 1, in working lining 11
Equipped with fan chamber 111 and two dust-collecting cavities 112, electric fan 3 is equipped in fan chamber 111, the air inlet direction of fan 3 is simultaneously connected to
It eats dishes without rice or wine in circular brush layer 2, the two sides of fan chamber 111 pass through a tapered channel 113 respectively and are connected to two dust-collecting cavities 112,
The small end of tapered channel 113 is towards dust-collecting cavity 112, and two tapered channels 113 are respectively facing the diagonally opposing corner direction of working lining 11,
The both ends of the surface of blackboard eraser body 1 are respectively equipped with the filter plate 14 of connection dust-collecting cavity 112, corresponding filter on the shell 15 of blackboard eraser body 1
The position of plate 14 is equipped with opening, and master control borad, battery 5 and switch button 6 are equipped in the control layer 12, and master control borad is equipped with gravity
Induction module 7, master control borad connect with battery 5, switch button 6, fan 3 respectively and can be pressed according to gravity sensing signal or switch
Button 6 signal controls starting and stopping for fan 3.
Black board eraser with chalk-dust collector of the present invention, is arranged 111, two dust-collecting cavities 112 of fan chamber and two tapered channels 113, when use
By fan 3 by dust suction fan chamber 111, since two tapered channels 113 are respectively facing the diagonally opposing corner direction of working lining 11,
No matter how user holds blackboard eraser, under gravity, it is ensured that the dust in fan chamber 111 is at least through side
Tapered channel 113 flow into dust-collecting cavity 112, to avoid when fan 3 does not rotate, dust is leaked out from fan chamber 111, cone
The small end in shape channel 113 can be effectively prevented dust from dust-collecting cavity 112 and flow back into fan chamber 111 towards dust-collecting cavity 112；Setting
Gravity sensing module 7, by blackboard eraser using when rock triggering fan 3 start, realize blackboard eraser and open automatically when in use
It is dynamic, it is automatically closed when not in use, not only energy conservation but also conveniently；Working lining 11 and the isolation sealed to each other of control layer 12, prevent dust from entering
Control layer 12 is polluted, reveals or is damaged.
The partition 13 is fixedly connected with the shell 15 of the blackboard eraser body 1, and the top of partition 13 and blackboard eraser body 1
Lid 16 is connected by screw to, so that control layer 12 is clipped in the middle, is conducive to protect control layer 12；The working lining 11 with it is described
Circular brush layer 2 is respectively fixedly disposed at the two sides of 1 bottom surface of blackboard eraser body, and passes through card with the shell of blackboard eraser body 1 15
Button 8 is detachably connected, dust of the shell 15 easy to disassemble to clear up in dust-collecting cavity 112.
The switch button 6 is exposed to the side of the blackboard eraser body 1, convenient for users to operation；Switch button 6 connects
The master control borad, thus make master control borad that can also control starting and stopping for fan 3 by switch button 6, two kinds of control modes,
It complements one another, can arbitrarily select, it is more convenient to use.
The master control borad tiling is fixed on partition 13 (master control borad is not shown in the accompanying drawings), and the partition 13, which is equipped with, to be held
The battery cavities 131 for setting battery 5, make that space is more compact and structure is firm durable.
Presently preferred embodiments of the present invention is given in attached drawing.But the invention can be realized in many different forms,
It is not limited to this specification described embodiment.On the contrary, purpose of providing these embodiments is makes to disclosure of the invention
The understanding of content is more thorough and comprehensive.
Claims (4)
1. a kind of black board eraser with chalk-dust collector, including blackboard eraser body, which is characterized in that the bottom surface of blackboard eraser body is equipped with circular brush
Layer, blackboard eraser body is interior to be divided into working lining and control layer by being parallel to the partition of bottom surface, is equipped with fan chamber and two in working lining
A dust-collecting cavity, is equipped with electric fan in fan chamber, the air inlet of fan towards and be connected in annular layers of brush bristles and eat dishes without rice or wine, fan chamber
Two sides pass through tapered channel respectively and be connected to two dust-collecting cavities, the small end of tapered channel is towards dust-collecting cavity, and two tapers
Channel is respectively facing the diagonally opposing corner direction of working lining, and the both ends of the surface of blackboard eraser body are respectively equipped with the filter plate of connection dust-collecting cavity, institute
It states and is equipped with master control borad and battery in control layer, master control borad is equipped with gravity sensing module, and master control borad is connect with battery, fan respectively
And starting and stopping for fan can be controlled according to the signal of gravity sensing module.
2. black board eraser with chalk-dust collector according to claim 1, which is characterized in that the shell of the partition and the blackboard eraser body
It is fixedly connected, and partition and the top cover of blackboard eraser body are connected by screw to, the working lining and the circular brush layer are distinguished
The two sides of blackboard eraser body bottom surface are fixed at, and are detachably connected with the shell of blackboard eraser body by buckle.
3. black board eraser with chalk-dust collector according to claim 1, which is characterized in that the black board eraser with chalk-dust collector further includes switch button,
The switch button is exposed to the side of the blackboard eraser body, switch button connect the master control borad or the fan so as to
Enough control starting and stopping for fan.
4. black board eraser with chalk-dust collector according to claim 1, which is characterized in that the master control borad is fixed on partition, it is described every
Plate is equipped with the battery cavities of set battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811340391.6A CN109435547A (en) | 2018-11-12 | 2018-11-12 | A kind of black board eraser with chalk-dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811340391.6A CN109435547A (en) | 2018-11-12 | 2018-11-12 | A kind of black board eraser with chalk-dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109435547A true CN109435547A (en) | 2019-03-08 |
Family
ID=65551675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811340391.6A Pending CN109435547A (en) | 2018-11-12 | 2018-11-12 | A kind of black board eraser with chalk-dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109435547A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111959167A (en) * | 2020-08-13 | 2020-11-20 | 安徽信息工程学院 | Blackboard eraser structure |
| CN112895778A (en) * | 2021-03-02 | 2021-06-04 | 衢州学院 | Automatic wetting dust-fixing dust-absorbing blackboard eraser |
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|---|---|---|---|---|
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| CN2073371U (en) * | 1990-03-03 | 1991-03-20 | 栾宝林 | Electric blackboard eraser with dust absorbing function |
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| CN203004850U (en) * | 2012-12-05 | 2013-06-19 | 江苏教育学院 | Gravity-sensed electric dust collection eraser |
| CN203263296U (en) * | 2013-05-08 | 2013-11-06 | 江苏美的春花电器股份有限公司 | Cyclone separator, cyclone separating device adopting cyclone separator, and dust collector adopting cyclone separating device |
| CN204095374U (en) * | 2014-09-22 | 2015-01-14 | 安徽工程大学 | A kind of wiping blackboard structure |
| CN204309480U (en) * | 2014-11-14 | 2015-05-06 | 北京信息科技大学 | A kind of dust suction environment-friendly dust-proof eraser |
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| CN209395477U (en) * | 2018-11-12 | 2019-09-17 | 广州市轻工高级技工学校（广州市轻工技师学院、广州市轻工高级职业技术培训学院） | Black board eraser with chalk-dust collector |
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2018
- 2018-11-12 CN CN201811340391.6A patent/CN109435547A/en active Pending
Patent Citations (16)
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|---|---|---|---|---|
| CN2052725U (en) * | 1989-05-23 | 1990-02-14 | 孙天孔 | Multipurpose dust-collecting electric blackboard eraser |
| CN2073371U (en) * | 1990-03-03 | 1991-03-20 | 栾宝林 | Electric blackboard eraser with dust absorbing function |
| JPH07309099A (en) * | 1994-05-19 | 1995-11-28 | Ei Tsutsui | Eraser for blackboard |
| CN1322121A (en) * | 1998-10-07 | 2001-11-14 | 杰特凡澳大利亚有限公司 | Apparatus for pickingup and collecting particulate material |
| CN2834935Y (en) * | 2005-04-29 | 2006-11-08 | 翔余有限公司 | Structural Improvement of Electric Blackboard Eraser |
| CN102922921A (en) * | 2011-08-11 | 2013-02-13 | 李勇 | Electric blackboard eraser |
| CN202288134U (en) * | 2011-10-28 | 2012-07-04 | 江苏美的春花电器股份有限公司 | Dust separating device of dust collector |
| CN203004850U (en) * | 2012-12-05 | 2013-06-19 | 江苏教育学院 | Gravity-sensed electric dust collection eraser |
| CN203263296U (en) * | 2013-05-08 | 2013-11-06 | 江苏美的春花电器股份有限公司 | Cyclone separator, cyclone separating device adopting cyclone separator, and dust collector adopting cyclone separating device |
| CN204095374U (en) * | 2014-09-22 | 2015-01-14 | 安徽工程大学 | A kind of wiping blackboard structure |
| CN204309480U (en) * | 2014-11-14 | 2015-05-06 | 北京信息科技大学 | A kind of dust suction environment-friendly dust-proof eraser |
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| CN105799397A (en) * | 2016-05-23 | 2016-07-27 | 秦凌龙 | Dust collection type blackboard wiping robot |
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| CN209395477U (en) * | 2018-11-12 | 2019-09-17 | 广州市轻工高级技工学校（广州市轻工技师学院、广州市轻工高级职业技术培训学院） | Black board eraser with chalk-dust collector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111959167A (en) * | 2020-08-13 | 2020-11-20 | 安徽信息工程学院 | Blackboard eraser structure |
| CN112895778A (en) * | 2021-03-02 | 2021-06-04 | 衢州学院 | Automatic wetting dust-fixing dust-absorbing blackboard eraser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190308 |