CN207190608U - A kind of dustproof blackboard - Google Patents
A kind of dustproof blackboard Download PDFInfo
- Publication number
- CN207190608U CN207190608U CN201720575236.7U CN201720575236U CN207190608U CN 207190608 U CN207190608 U CN 207190608U CN 201720575236 U CN201720575236 U CN 201720575236U CN 207190608 U CN207190608 U CN 207190608U
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- CN
- China
- Prior art keywords
- dust
- accumulator tank
- cross bar
- sets
- collecting box
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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.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of dustproof blackboard, belong to teaching equipment field, including internal layer and outer layer, has Packed mezzanine space between the internal layer and outer layer, several micropores are set on the outer layer, the side of the interlayer sets dust removing tube, the dust removing tube is connected with the import of dust collecting box, the exit of the dust collecting box sets filter screen, and connect miniature air exhauster, the bottom of the dust collecting box sets valve, dust accumulator tank is set below the internal layer, cross bar is set on the dust accumulator tank, handle is set on the cross bar, the both sides of the dust accumulator tank set groove respectively, the both ends of the cross bar set the roller with the fit depressions, the bottom of the cross bar sets hairbrush, the length of the bristle of the hairbrush is more than or equal to the depth of the dust accumulator tank.The utility model can prevent that chalk powder floats in the air everywhere in writing and wiping, and chalk powder is focused on.
Description
Technical field
It the utility model is related to teaching equipment field, and in particular to a kind of dustproof blackboard.
Background technology
Blackboard and chalk are one of common tools imparted knowledge to students at present, and knowledge is taught with him, are most originals and most traditional
One of main teaching method, indelible contribution has been made to the educational undertaking of the mankind.Teacher writes with chalk religion on blackboard
Content is learned, writes the problem of needing to explain to student, very clearly.It drastically increases the efficiency of teaching, while is also class
The system of giving lessons is laid a good foundation.
With the progress of history and the development of society, the mankind improve constantly to the understanding of blackboard teaching aid, i.e., blackboard is to the mankind
While educational undertaking brings progress and makes tremendous contribution, also huge danger is brought to the teacher and student for being engaged in educational undertaking
Evil.At present, the more extensive blackboard of application still needs manual wipping writing, and in writing and wiping, chalk powder can float everywhere
Dissipate, teacher and front-seat student are easy to suck dust.
Personal health is somewhat dependent upon the clean level of the air of breathing.According to national data from investigation
It has been shown that, with social progress and the quickening of social rhythm, teaching profession's disease rate is in the trend risen year by year, and occupational disease presents various
Change direction to develop, wherein pneumoconiosis caused by dust and various acute and chronic breathing problems are most main in Chinese occupational disease at present
Will, endanger most serious and widest one kind.Felt is simply put into iron sheet box by blackboard eraser commonly, and teacher, which attends class, to black
During plate, fly upward skyborne chalk dust and lung is sucked by people, can give people to bring great damage in the course of time.
Publication No. CN105711305A patent discloses a kind of dustproof blackboard, including blackboard, track, pulley, bar shaped
Wiping, case, chalk end filter screen, sweep-up pipe, powder storage device and blower fan, blackboard on both sides are provided with track, are provided with slide in orbit
Wheel, the pulley are separately fixed at bar shaped and wipe both ends, are provided with case on the outside of bar shaped wiping, the case side is connected with dust suction
Pipe, the sweep-up pipe is chalk end filter screen close to case one end, and the other end of sweep-up pipe is connected with powder storage device, the powder
One end of last storage device is chalk powder filter screen, and chalk powder filter screen is connected with blower fan, and the invention is matched somebody with somebody using bar shaped wiping and case
Close, during erasing chalk end, chalk powder can enter in case, reduce soakage of the academics and students to chalk powder, reduce
Harm of the chalk powder to human body, and chalk powder is transported to chalk powder storage device by sweep-up pipe, reduces the work for sweeping chalk powder
Measure.But the dustproof blackboard that the invention is provided is in writing, it is impossible to plays dustproof effect.
The content of the invention
In view of this, the utility model provides a kind of dustproof blackboard, can effectively prevent in writing and wiping, chalk
The phenomenon that end is floated in the air everywhere, and chalk powder can be focused on, it is convenient and swift.
In order to solve the above technical problems, technical solution adopted in the utility model is：
A kind of dustproof blackboard, including internal layer and outer layer, have Packed mezzanine space between the internal layer and outer layer, it is described
Several micropores are set on outer layer, and the side of the interlayer sets dust removing tube, the import phase of the dust removing tube and dust collecting box
Connection, the exit of the dust collecting box sets filter screen, and connects miniature air exhauster, and the bottom of the dust collecting box is set
Valve, dust accumulator tank is set below the internal layer, cross bar is set on the dust accumulator tank, handle is set on the cross bar
Hand, the both sides of the dust accumulator tank set groove respectively, and the both ends of the cross bar set the roller with the fit depressions,
The bottom of the cross bar sets hairbrush, and the length of the bristle of the hairbrush is more than or equal to the depth of the dust accumulator tank.
Further, the observation window of sealed transparent is set on the dust collecting box.
Further, one end setting micromachine of the dust accumulator tank, the one of the micromachine connection expansion link
End, the other end of the expansion link connect the cross bar.
Further, the both sides of the inside of the dust accumulator tank are respectively provided with circular arc chamfering.
Further, the other end of dust accumulator tank sets collection port, and the collection port connects one end of dust pipe, described
The other end connection micro-cleaner of dust pipe.
The beneficial effects of the utility model are：Blackboard includes internal layer and outer layer, has Packed mezzanine space therebetween,
Several micropores are set on the outer layer of blackboard, and when being write on blackboard with chalk, sub-fraction chalk powder can be with micropore
Enter in mezzanine space, can both prevent airborne dust, and most of chalk dust is retained on blackboard, is had a clear handwriting, and is solved
In the past with the chalk deficiency that chalk powder is flown upward when being write on blackboard.
In addition, the side of interlayer sets dust removing tube, dust removing tube connects the import of dust collecting box, the outlet of dust collecting box
Place sets filter screen, and connects miniature air exhauster.Dust is scattering into mezzanine space by micropore, in the effect of miniature air exhauster
Under, dust is entered in dust collecting box by dust removing tube.The exit of dust collecting box sets filter screen, prevents dust from entering
In air exhauster, result in blockage.Miniature air exhauster according to circumstances can be periodically opened, the dust in interlayer is handled.Periodically beat
The valve of dust collecting box bottom is opened, a dust collection bag or other collection devices are connect in valve bottom, dust is cleaned out
Go, be then shut off valve.The dust being collected into can reclaim, and transport to chalk manufactory, recycling, cost-effective.
In addition, setting dust accumulator tank below blackboard internal layer, when erasing the board, the chalk powder fallen falls directly into dust storage
Deposit in groove, then the chalk powder in dust accumulator tank is cleared up.Cross bar, dust accumulator tank are set on dust accumulator tank
Both sides groove is set respectively, the both ends of cross bar set the roller with fit depressions, and roller drives cross bar, can be on groove
Roll, the bottom of cross bar sets hairbrush, the length of hairbrush and the deep equality of dust accumulator tank, can be in dust accumulator tank
Chalk powder is cleared up.During cleaning, handle is grasped, gently promotes whippletree, chalk powder is cleaned, in dust accumulator tank
The other end, lay dust collection bag or other collection devices, chalk powder be collected.
In addition, the observation window of sealed transparent is set on dust collecting box.Pass through transparent windows, it can be seen that dust collection
The number of dust in box.When dust is more in dust collecting box, the valve of dust collecting box bottom can be opened, dust is received
In the sack or other collection devices that collect outside.One end of dust accumulator tank sets micromachine, and micromachine connection is stretched
Bar, the other end of expansion link connect the cross bar, and expansion link promotes cross bar in dust accumulator tank under the drive of micromachine
Slided on groove, and then the chalk powder in dust accumulator tank is cleared up, it is convenient and swift.The both sides of the inside of dust accumulator tank
Circular arc chamfering is respectively provided with, is easy to hairbrush to clear up.
In addition, dust accumulator tank the other end set collection port, collection port connect dust pipe one end, dust pipe it is another
End connection micro-cleaner, can periodically start dust catcher and the chalk powder in dust accumulator tank is cleared up, and periodically to inhaling
Dirt device is cleared up.
The utility model sets several micropores in the outer layer of blackboard, during writing, can both prevent chalk powder from floating in the air everywhere,
And most of chalk dust is retained on blackboard, is had a clear handwriting, solve in the past with chalk on blackboard write when chalk powder fly
The deficiency raised.Part chalk powder is fallen into mezzanine space by micropore, installs air exhauster and dust collecting box is used to clear up interlayer
Internal chalk powder.During blackboard wiping, chalk powder is fallen into dust accumulator tank, and the hairbrush for being provided with whippletree is driven by roller
Cleared up, and be collected in one end of dust accumulator tank.The chalk powder being collected into can be recycled, and recycle.This reality
It can effectively be prevented in writing and wiping, the phenomenon that chalk powder floats in the air everywhere, and chalk powder can be focused on new,
Good dustproof effect, it is simple to operate.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the front view of the blackboard main body of the utility model embodiment 1.
Fig. 2 is the side view of the blackboard main body of the utility model embodiment 1.
Fig. 3 is the structural representation of the dust collecting box of the utility model embodiment 2.
Fig. 4 is the structural representation of the dust accumulator tank of the utility model embodiment 2.
Fig. 5 is the side view of the blackboard main body of the utility model embodiment 2.
Fig. 6 is the micromachine of the utility model embodiment 2 and the structural representation of expansion link.
Fig. 7 is the structural representation of the dust accumulator tank of the utility model embodiment 3.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
The accompanying drawing 1-7 of type embodiment, the technical scheme of the utility model embodiment is clearly and completely described.Obviously, it is described
Embodiment be part of the embodiment of the present utility model, rather than whole embodiment.Based on described the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained, belong to the utility model protection scope.
Embodiment one
As shown in figure 1, this embodiment offers a kind of dustproof blackboard, including internal layer 8 and outer layer 1, the internal layer 8 and outer layer
Having Packed mezzanine space between 1, several micropores 2 are set on the outer layer 1, the side of the interlayer sets dust removing tube 4,
The dust removing tube 4 is connected with the import of dust collecting box 5, and the exit of the dust collecting box 5 sets filter screen 7, and connects
Miniature air exhauster 6, the bottom of the dust collecting box 5 set valve 17.With reference to shown in Fig. 2, powder is set below the internal layer 8
Dirt accumulator tank 3, cross bar 12 is set on the dust accumulator tank 3, handle 16, the dust accumulator tank 3 are set on the cross bar 12
Both sides groove is set respectively, the both ends of the cross bar 12 set the roller 13 with the fit depressions, the cross bar 12
Bottom sets hairbrush 14, and the length of the bristle of the hairbrush 14 is more than or equal to the depth of the dust accumulator tank 3.
The hairbrush 14 can also be replaced with sponge or wiper.The valve 17 of the bottom of dust collecting box 5 is periodically opened, in valve
17 bottoms of door connect a dust collection bag or other collection devices, and dust is cleared up away, is then shut off valve 17.Clear up dust
During chalk powder in accumulator tank 3, handle 16 is grasped, whippletree 12 is gently promoted, chalk powder is cleaned, is stored in dust
The other end of groove 3, dust collection bag or other collection devices are laid, chalk powder is collected.
Embodiment two
It is changing of being carried out on the basis of embodiment one as shown in figure 3, a kind of dustproof blackboard described by the embodiment
Enter：The observation window 18 of sealed transparent is set on the dust collecting box 5.As shown in figure 4, one end of the dust accumulator tank 3 is set
Micromachine 22, one end of the connection expansion link 23 of micromachine 22 are put, the other end of the expansion link 23 connects the horizontal stroke
Bar 12.As shown in figure 5, the both sides of the inside of the dust accumulator tank 3 are respectively provided with circular arc chamfering 15.
Pass through transparent windows 18, it can be seen that the number of dust in dust collecting box 5.When dust in dust collecting box 5
When more, the valve 17 of the bottom of dust collecting box 5 can be opened, sack or other collection devices by dust collection to outside
In.As shown in fig. 6, setting bent axle 24 on microgenerator 22, bent axle 24 is moved in a circle, and connecting rod 25 is connected with bent axle 24, will
Circular motion is converted into linear motion, and expansion link 23 is connected with connecting rod 25, is moved along a straight line, is entered under the drive of micromachine 22
And slided with electric brush 14 on the groove of dust accumulator tank 3, and then the chalk powder in dust accumulator tank 3 is cleared up.It is micro-
The model of type motor 22 can be 80YR25GV22.
Embodiment three
It is changing of being carried out on the basis of embodiment two as shown in fig. 7, a kind of dustproof blackboard described by the embodiment
Enter：The other end of dust accumulator tank 3 sets collection port 19, and the collection port 19 connects one end of dust pipe 20, the dust pipe
20 other end connection micro-cleaner 21.
When under drive of the hairbrush 14 in micromachine 22, when moving to the other end of powder accumulator tank 3, micromachine is closed
22, start micro-cleaner 21, chalk powder is cleared up.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of principle described in the utility model is not departed from, some improvements and modifications can also be made, these improvement
The scope of protection of the utility model is also should be regarded as with retouching.
Claims (5)
- A kind of 1. dustproof blackboard, it is characterised in that：Including internal layer and outer layer, has Packed interlayer between the internal layer and outer layer Space, several micropores are set on the outer layer, and the side of the interlayer sets dust removing tube, the dust removing tube and dust collecting box Import be connected, the exit of the dust collecting box sets filter screen, and connects miniature air exhauster, the dust collecting box Bottom sets valve, and dust accumulator tank is set below the internal layer, sets cross bar on the dust accumulator tank, on the cross bar Handle is set, and the both sides of the dust accumulator tank set groove respectively, and the both ends of the cross bar are set and the fit depressions Roller, the bottom of the cross bar sets hairbrush, and the length of the bristle of the hairbrush is more than or equal to the dust accumulator tank Depth.
- A kind of 2. dustproof blackboard as claimed in claim 1, it is characterised in that：Sealed transparent is set on the dust collecting box Observation window.
- A kind of 3. dustproof blackboard as claimed in claim 1, it is characterised in that：One end of the dust accumulator tank sets micro electric Machine, one end of the micromachine connection expansion link, the other end of the expansion link connect the cross bar.
- A kind of 4. dustproof blackboard as claimed in claim 1, it is characterised in that：The both sides of the inside of the dust accumulator tank are all provided with Put circular arc chamfering.
- A kind of 5. dustproof blackboard as claimed in claim 1, it is characterised in that：The other end of dust accumulator tank sets collection port, One end of the collection port connection dust pipe, the other end connection micro-cleaner of the dust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720575236.7U CN207190608U (en) | 2017-05-23 | 2017-05-23 | A kind of dustproof blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720575236.7U CN207190608U (en) | 2017-05-23 | 2017-05-23 | A kind of dustproof blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207190608U true CN207190608U (en) | 2018-04-06 |
Family
ID=61793920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720575236.7U Expired - Fee Related CN207190608U (en) | 2017-05-23 | 2017-05-23 | A kind of dustproof blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207190608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112319104A (en) * | 2020-11-05 | 2021-02-05 | 石门县第三完全小学 | Teaching and education writes chalk bits automatic collection preparation equipment with blackboard |
-
2017
- 2017-05-23 CN CN201720575236.7U patent/CN207190608U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112319104A (en) * | 2020-11-05 | 2021-02-05 | 石门县第三完全小学 | Teaching and education writes chalk bits automatic collection preparation equipment with blackboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180406 Termination date: 20190523 |