CN206812673U - A kind of dust-free blackboard sassafras - Google Patents
A kind of dust-free blackboard sassafras Download PDFInfo
- Publication number
- CN206812673U CN206812673U CN201720234711.4U CN201720234711U CN206812673U CN 206812673 U CN206812673 U CN 206812673U CN 201720234711 U CN201720234711 U CN 201720234711U CN 206812673 U CN206812673 U CN 206812673U
- Authority
- CN
- China
- Prior art keywords
- dust
- housing
- cinder catcher
- brush board
- dust filter
- 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.)
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Abstract
The utility model discloses a kind of dust-free blackboard sassafras, including housing, end cap and brush board, the housing upper end is connected provided with electric rotating machine described in electric rotating machine with brush board by axis of rotation, the hull outside is provided with cinder catcher, dust filter pulp is provided with the inside of the cinder catcher upper end, dust filter screen is provided with the downside of the dust filter pulp, formed between the housing and brush board and collect grey passage, at left and right sides of the housing ash hole is provided between cinder catcher, one-way cock is provided with the outside of the ash hole, the one-way cock is fixedly connected with cinder catcher by torsion spring, air blower is provided with the end cap, the air blower is connected with cinder catcher by air channel, the hull outside is provided with shift knob, the shift knob electrically connects with air blower and electric rotating machine.The utility model improves cleaning efficiency, automatic to absorb the caused dust that erases the board, and reduces harm of the chalk dust to student and teacher, can focus on the dust of accumulation, simple, convenient.
Description
Technical field
A kind of blackboard eraser is the utility model is related to, specifically a kind of dust-free blackboard sassafras.
Background technology
Chalk, it is essential instrument during our daily teachings.Chalk-writing writing on the blackboard is often used in teaching,
This just needs to use blackboard eraser to be wiped, and existing blackboard eraser is during wiping, and only part chalk dust can accumulate
In blackboard eraser and the particulate of chalk dust has a very strong germ adsorption capacity, and the composition of chalk is alkaline matter, harmful levels of pathogens, alkali
Property material inflammation is easily caused to the respiratory system of Faculty and Students, skin, ear, nose, throat, dry, atrophy, itching, chap,
Lung cancer, pulmonary emphysema and kidney damage.Student from morning to evening, learning tasks weight, will also wipe blackboard many times daily daily, time-consuming
Arduously, still there is vestige after often nuzzling up, efficiency is low, and chalk dust can descend slowly and lightly to aerial, cause secondary pollution, to student or old
The body of teacher causes very big harm.
Utility model content
The purpose of this utility model is to provide a kind of dust-free blackboard sassafras, asked with solve to propose in above-mentioned background technology
Topic.
To achieve the above object, the utility model provides following technical scheme：
A kind of dust-free blackboard sassafras, including housing, end cap and brush board, the housing lower end are provided with provided with brush board described in brush board
Multiple through holes, the brush board bottom are provided with hairbrush, and the housing upper end is provided with electric rotating machine, and the electric rotating machine passes through with brush board
Axis of rotation connects, and the electric rotating machine side is provided with battery, and the hull outside is provided with cinder catcher, the cinder catcher upper end
Inner side is provided with dust filter pulp, is provided with dust filter screen on the downside of the dust filter pulp, housing bottom circumference is provided with baffle plate, the shell
Formed between body and brush board and collect grey passage, be provided with ash hole at left and right sides of the housing between cinder catcher, outside the ash hole
Side is provided with one-way cock, and the one-way cock is fixedly connected with cinder catcher by torsion spring, and the housing tip is provided with end cap, described
Air blower is provided with end cap, the air blower is connected with cinder catcher by air channel, and air-out is provided between the air blower and end cap
Mouthful, the hull outside is provided with shift knob, and the shift knob electrically connects with air blower and electric rotating machine respectively, the collection ash
Bottom of chamber end is provided with deashing lid.
As further program of the utility model：The hairbrush uses nylon brush thread or polypropylene brush filament.
As the utility model further scheme：The housing cylindrical form.
As the utility model further scheme：The dust filter pulp, dust filter screen, cinder catcher are in annular
Shape.
As the utility model further scheme：The dust filter screen uses HEPA efficient filters.
As the utility model further scheme：The baffle plate uses wear-resisting flexible plastic material.
Compared with prior art, the beneficial effects of the utility model are：The utility model is simple in construction, time saving and energy saving, carry
High cleaning efficiency, it is automatic to absorb the caused dust that erases the board, harm of the chalk dust to student and teacher is reduced, can be focused on
The dust of accumulation, it is simple, convenient, suitable for marketing.
Brief description of the drawings
Fig. 1 is the structural representation of dust-free blackboard sassafras.
Fig. 2 is the structural representation of the top view of dust-free blackboard sassafras.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1~2, in the utility model embodiment, a kind of dust-free blackboard sassafras, including housing 1, end cap 4 and brush board
13, the lower end of housing 1 is provided with brush board 13, and the brush board 13 is provided with multiple through holes 14, and the bottom of brush board 13 is provided with hairbrush
15, the hairbrush 15 uses nylon brush thread or polypropylene brush filament, and the upper end of housing 1 is provided with electric rotating machine 3, the electric rotating machine
3 are connected with brush board 13 by axis of rotation, and the side of electric rotating machine 3 is provided with battery 2, the cylindrical form of housing 1, institute
State the outside of housing 1 and be provided with cinder catcher 10, dust filter pulp 8 is provided with the inside of the upper end of cinder catcher 10, the downside of dust filter pulp 8 is set
There is dust filter screen 9, the dust filter screen 9 uses HEPA efficient filters, and the dust filter pulp 8, dust filter screen 9, cinder catcher 10 are equal
In toroidal, the bottom circumference of housing 1 is provided with baffle plate 12, and the baffle plate 12 uses wear-resisting flexible plastic material, the housing 1
Formed between brush board 13 and collect grey passage, ash hole, the ash hole are provided between the left and right sides of housing 1 and cinder catcher 10
Outside is provided with one-way cock 16, and the one-way cock 16 is fixedly connected with cinder catcher 10 by torsion spring, and the top of housing 1 is provided with
End cap 4, is provided with air blower 6 in the end cap 4, the air blower 6 is connected with cinder catcher 10 by air channel 7, the air blower 6 and
Be provided with air outlet 5 between end cap 4, the outside of housing 1 is provided with shift knob 17, the shift knob 17 respectively with air blower 6
Electrically connected with electric rotating machine 3, the bottom of cinder catcher 10 is provided with deashing lid 11.
For the utility model in use, by opening shift knob 17, air blower 6 and electric rotating machine 3 are in working condition,
The rotation of electric rotating machine 3 drives brush board 13 to rotate so that hairbrush 15 brushes off the chalk trace on blackboard, time saving and energy saving, improves cleaning
Efficiency；It is bonded by baffle plate 12 with blackboard so that the dust of chalk is sucked into cinder catcher 10, is filtered by dust filter screen 9 and dust
Cotton 8 accumulates in cinder catcher 10, is worked by air blower 6 so that the one-way cock 16 in cinder catcher 10 is beaten in the presence of suction
Ash hole is opened, when air blower 6 is stopped, one-way cock 16 is in closure state in the presence of torsion spring so that cinder catcher
Dust in 10 can not be scattered, and when needing deashing, can open deashing lid 11, pour out the dust accumulated in cinder catcher 10.This
Utility model is simple in construction, automatic to absorb the caused dust that erases the board, and reduces harm of the chalk dust to student and teacher, can collect
The dust that middle processing is accumulated, it is simple, convenient, suitable for marketing.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
1. a kind of dust-free blackboard sassafras, including housing（1）, end cap（4）And brush board（13）, it is characterised in that the housing（1）Lower end
Provided with brush board（13）The brush board（13）It is provided with multiple through holes（14）, the brush board（13）Bottom is provided with hairbrush（15）, it is described
Housing（1）Upper end is provided with electric rotating machine（3）, the electric rotating machine（3）With brush board（13）Connected by axis of rotation, the rotation
Motor（3）Side is provided with battery（2）, the housing（1）Outside is provided with cinder catcher（10）, the cinder catcher（10）On the inside of upper end
Provided with dust filter pulp（8）, the dust filter pulp（8）Downside is provided with dust filter screen（9）, the housing（1）Bottom circumference is provided with gear
Plate（12）, the housing（1）With brush board（13）Between formed and collect grey passage, the housing（1）The left and right sides and cinder catcher（10）
Between be provided with ash hole, be provided with one-way cock on the outside of the ash hole（16）, the one-way cock（16）With cinder catcher（10）It is logical
Cross torsion spring to be fixedly connected, the housing（1）Top is provided with end cap（4）, the end cap（4）It is interior to be provided with air blower（6）, the air blast
Machine（6）With cinder catcher（10）Pass through air channel（7）Connection, the air blower（6）With end cap（4）Between be provided with air outlet（5）, it is described
Housing（1）Outside is provided with shift knob（17）, the shift knob（17）Respectively with air blower（6）And electric rotating machine（3）It is electrically connected
Connect, the cinder catcher（10）Bottom is provided with deashing lid（11）.
2. dust-free blackboard sassafras according to claim 1, it is characterised in that the hairbrush（15）Using nylon brush thread or poly- third
Alkene brush filament.
3. dust-free blackboard sassafras according to claim 1, it is characterised in that the housing（1）Cylindrical form.
4. dust-free blackboard sassafras according to claim 1, it is characterised in that the dust filter pulp（8）, dust filter screen（9）, collection
Grey chamber（10）It is in toroidal.
5. dust-free blackboard sassafras according to claim 1, it is characterised in that the dust filter screen（9）Using HEPA high-efficient filters
Net.
6. dust-free blackboard sassafras according to claim 1, it is characterised in that the baffle plate（12）Using wear-resisting flexible plastic material
Matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720234711.4U CN206812673U (en) | 2017-03-10 | 2017-03-10 | A kind of dust-free blackboard sassafras |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720234711.4U CN206812673U (en) | 2017-03-10 | 2017-03-10 | A kind of dust-free blackboard sassafras |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206812673U true CN206812673U (en) | 2017-12-29 |
Family
ID=60751245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720234711.4U Expired - Fee Related CN206812673U (en) | 2017-03-10 | 2017-03-10 | A kind of dust-free blackboard sassafras |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206812673U (en) |
-
2017
- 2017-03-10 CN CN201720234711.4U patent/CN206812673U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20171229 Termination date: 20190310 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |