CN206870699U - A kind of Jing Yin dustless chargeable blackboard eraser - Google Patents
A kind of Jing Yin dustless chargeable blackboard eraser Download PDFInfo
- Publication number
- CN206870699U CN206870699U CN201720341241.1U CN201720341241U CN206870699U CN 206870699 U CN206870699 U CN 206870699U CN 201720341241 U CN201720341241 U CN 201720341241U CN 206870699 U CN206870699 U CN 206870699U
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- China
- Prior art keywords
- dust
- chargeable
- dustless
- blackboard eraser
- jing yin
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Abstract
Jing Yin dustless chargeable blackboard eraser according to involved by the utility model includes shell；Hairbrush, it is fixedly installed on shell and positioned at the top of shell；Collect bar grid, there is suction hole, be arranged in shell, positioned at the lower section of hairbrush, lower dust is wiped out for collecting hairbrush；Filter, it is arranged on the lower section of collection bar grid；Disposal box, the lower section of filter is arranged on, for collecting the dust after filtering；Centrifugal blower, it is fixedly installed in shell and positioned at the lower section of disposal box, for providing the air-flow for attracting dust to enter suction hole；Chargeable lithium ion battery, and the acoustic material being arranged on centrifugal blower.Because Jing Yin dustless chargeable blackboard eraser provided by the utility model can be absorbed in time to dust caused by blackboard wiping writing; so; there is provided dust suction blackboard eraser for environmental protection of the present utility model can prevent dust from can fly upward everywhere; so that the harm that teachers and students bring from dust in classroom, so as to protect the body of numerous teachers and students.
Description
Technical field
The utility model belongs to culture and education field, and in particular to a kind of blackboard eraser.
Background technology
Using chalk, the teaching of handwriting is most widely used and most traditional teaching method on blackboard, but it is giving people
While clergy and student bring convenience there is also it is very big the defects of, it is especially prominent the problem of be wipe letter written with chalk
When, caused dust can be flown upward everywhere, and these dust diffuse the health in atmosphere, having had a strong impact on teachers and students in classroom.
Utility model content
The utility model is, and it is an object of the present invention to provide Jing Yin dustless chargeable blackboard in order to solving the above problems and carry out
Wipe.
The utility model provides a kind of Jing Yin dustless chargeable blackboard eraser, has the feature that, including：Shell；Hair
Brush, it is fixedly installed on shell and positioned at the top of shell, the chalk writing on Wiper plate；Collect bar grid, there is suction hole,
It is arranged in shell, positioned at the lower section of hairbrush, lower dust is wiped out for collecting hairbrush；Filter, it is arranged under collection bar grid
Side, for being filtered to dust；Disposal box, the lower section of filter is arranged on, for collecting the dust after filtering；Centrifuge wind
Machine, it is fixedly installed in shell and positioned at the lower section of disposal box, for providing the air-flow for attracting dust to enter suction hole；It is chargeable
Lithium ion battery, be arranged in the closing box of centrifugal blower side, for providing power supply, and sound insulation material to centrifugal blower
Material, is arranged on the shell of centrifugal blower, wherein, lower house is enclosed on upper shell, and electrostatic precipitation piece is additionally provided with disposal box,
For utilizing Electrostatic Absorption dust.
In Jing Yin dustless chargeable blackboard eraser provided by the utility model, it can also have the feature that：Wherein, collect
The inwall of dirt case and the surface of electrostatic precipitation piece are coated with metal, for being used to utilize Electrostatic Absorption powder to adsorb using electrostatic
Dirt.
In addition, in Jing Yin dustless chargeable blackboard eraser provided by the utility model, can also have the feature that：Its
In, the filtering material that profile is in collapsed shape is provided with filter, for expanding the surface area of contact.
In addition, in Jing Yin dustless chargeable blackboard eraser provided by the utility model, can also have the feature that：Its
In, collect in bar grid and be provided with multiple non-return pads for preventing dust from dropping out, when blower fan is stopped, non-return pad seals air-breathing
Hole.
In addition, in Jing Yin dustless chargeable blackboard eraser provided by the utility model, can also have the feature that：Its
In, the side for collecting bar grid is provided with opening for pouring out dust.
In addition, in Jing Yin dustless chargeable blackboard eraser provided by the utility model, can also have the feature that：
Wherein, acoustic material is made of Sound-proof material.
The effect of utility model and effect
Jing Yin dustless chargeable blackboard eraser according to involved by the utility model includes shell；Hairbrush, fixed setting is outside
On shell and positioned at the top of shell, the chalk writing on Wiper plate；Collect bar grid, there is suction hole, be arranged in shell, position
In the lower section of hairbrush, lower dust is wiped out for collecting hairbrush；Filter, the lower section of collection bar grid is arranged on, for entering to dust
Row filtering；Disposal box, the lower section of filter is arranged on, for collecting the dust after filtering；Centrifugal blower, it is fixedly installed on shell
Lower section interior and positioned at disposal box, for providing the air-flow for attracting dust to enter suction hole；And chargeable lithium ion battery,
It is arranged in the closing box of centrifugal blower side, for providing power supply to centrifugal blower.
Because Jing Yin dustless chargeable blackboard eraser provided by the utility model can be by powder caused by blackboard wiping writing
Dirt is absorbed in time, so, provided Jing Yin dustless chargeable blackboard eraser of the present utility model can prevent dust meeting four
Fly upward at place so that the harm that teachers and students bring from dust in classroom, so as to protect the body of numerous teachers and students.
Brief description of the drawings
Fig. 1 is the perspective exploded view of Jing Yin dustless chargeable blackboard eraser in embodiment of the present utility model；
Fig. 2 is the section decomposing schematic representation of Jing Yin dustless chargeable blackboard eraser in embodiment of the present utility model；
Fig. 3 is centrifugal blower schematic diagram in embodiment of the present utility model；
Fig. 4 is lower house schematic diagram in embodiment of the present utility model；
Fig. 5 is upper shell schematic diagram in embodiment of the present utility model；And
Fig. 6 is filter schematic diagram in embodiment of the present utility model.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, with
Lower embodiment combination accompanying drawing is specifically addressed to Jing Yin dustless chargeable blackboard eraser provided by the utility model.
Embodiment
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Jing Yin dustless chargeable blackboard eraser includes centrifugal blower 1, electrostatic precipitation
Piece 2, air-vent 3, upper shell 4, filter 5, lower house 6, switch 7, hairbrush 8, check-valves 9, place chargeable lithium-ion electric
Closing box 10, charging jacks 12, acoustic material, control unit and the chargeable lithium ion battery in pond.
Jing Yin dustless chargeable blackboard eraser has shell, and shell includes upper shell 4 and lower house 6.
The side of upper shell 4 is provided with charging jacks 12 and multiple air-vents 3.
Lower house 6 is enclosed on the outside of upper shell 4, and switch 7 is arranged on lower house 6.
The surrounding of lower house 6 is suction hole, and one end is connected with upper shell 4, and the other end is provided with the skirt section of focused airflow and hard
Support bristle.
As shown in Fig. 2 hairbrush 8 is fixedly installed on lower house 6 and positioned at the outside of lower house 6, on Wiper plate
Chalk writing.
Collection bar grid is arranged in lower house 6, wipes out lower dust for collecting hairbrush, collection bar grid side is set just like Fig. 5
Shown opening 11, for pouring out dust.
Filter 5 as shown in Figure 6 is arranged on the lower section of collection bar grid, and for being filtered to dust, filter 5 can be with collection
Bar grid activity separation, it is easy to cleaning collection bar grid；The filtering material that profile is in collapsed shape is provided with filter 5, for expanding
The surface area of contact.Filtering material is consumptive material, replaceable, therefore is advantageous to cost-effective.
Disposal box is arranged on the lower section of filter 5, for collecting the dust after filtering.Guide vane is provided with disposal box
With electrostatic precipitation piece 2, for utilizing Electrostatic Absorption dust, electrostatic precipitation piece 2 can periodically be scrubbed with bristle.Dust chamber interior wall and
The metalized surface of guide vane, the high pressure generator being connected in control circuit, when centrifugal blower 1 works, whole dust
Case is filled with electric charge, makes the filter that can adsorb dust.
As shown in figure 5, multiple non-return pads 9 are arranged in lower house 6, positioned at suction hole side, for being closed in centrifugal blower 1
Suction hole is sealed when closing, prevents dust from dropping out.
Lower house 6 is enclosed on one end of upper shell 4, also serves as the sealing of disposal box.
Centrifugal blower 1 is fixedly installed in upper shell 4 and positioned at the lower section of disposal box, attracts dust to enter for offer and inhale
The air-flow of stomata.
Chargeable lithium ion battery is arranged in the closing box 10 of the side of centrifugal blower 1, for being provided to centrifugal blower 1
Power supply.
Acoustic material is arranged on the shell of centrifugal blower 1, and in embodiment, acoustic material is made of Sound-proof material.
Control unit includes control circuit, the high pressure generator being connected with centrifugal blower 1.
Jing Yin dustless chargeable blackboard eraser operating process：
By centrifugal blower 1 is started after lower switch, when erasing the board, chalk-writing vestige is brushed down by hairbrush 8, and dust is met after dropping
On from edge suction air-flow, driven by air-flow, dust lattice entered after suction hole and non-return pad 9, are stopped by filter 5
And stay in collection bar grid.After remaining dust enters disposal box in air-flow, the electrostatic precipitation piece 2 being directed in groove adsorbs, totally
Air-flow is extracted out by blower fan, is discharged from side air-vent 3.
The effect of embodiment and effect
Because the Jing Yin dustless chargeable blackboard eraser that the present embodiment is provided can be by dust caused by blackboard wiping writing
Absorbed in time, so, provided Jing Yin dustless chargeable blackboard eraser of the present utility model can prevent dust can be everywhere
Fly upward so that the harm that teachers and students bring from dust in classroom, so as to protect the body of numerous teachers and students.
In addition, the effect of the non-return pad in the present embodiment is to seal suction hole when blower fan is closed, it is therefore prevented that collection bar grid
Interior dust drops out.
Further, the metalized surface of dust chamber interior wall and guide vane, the high pressure being connected in auxiliary circuit occur
Device, when blower fan work, whole disposal box is filled with electric charge, makes the filter that can adsorb dust.
Further, filtering material is replaceable consumptive material, therefore is advantageous to cost-effective.
Above-mentioned embodiment is preferred case of the present utility model, is not intended to limit the scope of protection of the utility model.
Claims (6)
- A kind of 1. Jing Yin dustless chargeable blackboard eraser, it is characterised in that including：Shell, including upper shell and lower house；Hairbrush, it is fixedly installed on the lower house and positioned at the top of the lower house, the chalk writing on Wiper plate；Collect bar grid, there is suction hole, be arranged in the lower house, positioned at the lower section of the hairbrush, for collecting the hairbrush Wipe out lower dust；Filter, the lower section of the collection bar grid is arranged on, for being filtered to the dust；Disposal box, the lower section of the filter is arranged on, for collecting the dust after filtering；Centrifugal blower, it is fixedly installed in the upper shell and positioned at the lower section of the disposal box, attracts the powder for providing Dirt enters the air-flow of the suction hole；Chargeable lithium ion battery, it is arranged in the closing box of the centrifugal blower side, for being carried to the centrifugal blower Power supply source；AndAcoustic material, it is arranged on the shell of the centrifugal blower,Wherein, the lower house is enclosed on the upper shell,Electrostatic precipitation piece is provided with the disposal box, for utilizing dust described in Electrostatic Absorption.
- 2. Jing Yin dustless chargeable blackboard eraser according to claim 1, it is characterised in that also include：Wherein, the surface of the inwall of the disposal box and electrostatic precipitation piece is coated with metal, for being used for using electrostatic to adsorb Utilize dust described in Electrostatic Absorption.
- 3. Jing Yin dustless chargeable blackboard eraser according to claim 1, it is characterised in that：Wherein, the filtering material that profile is in collapsed shape is provided with the filter, for expanding the surface area of contact.
- 4. Jing Yin dustless chargeable blackboard eraser according to claim 1, it is characterised in that：Wherein, multiple non-return pads for preventing the dust from dropping out are provided with the collection bar grid, when the blower fan is stopped When, the non-return pad seals the suction hole.
- 5. Jing Yin dustless chargeable blackboard eraser according to claim 1, it is characterised in that：Wherein, the side of the collection bar grid is provided with the opening for pouring out the dust.
- 6. Jing Yin dustless chargeable blackboard eraser according to claim 1, it is characterised in that：Wherein, the acoustic material is made of Sound-proof material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720341241.1U CN206870699U (en) | 2017-04-01 | 2017-04-01 | A kind of Jing Yin dustless chargeable blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720341241.1U CN206870699U (en) | 2017-04-01 | 2017-04-01 | A kind of Jing Yin dustless chargeable blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206870699U true CN206870699U (en) | 2018-01-12 |
Family
ID=61342649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720341241.1U Expired - Fee Related CN206870699U (en) | 2017-04-01 | 2017-04-01 | A kind of Jing Yin dustless chargeable blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206870699U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109047260A (en) * | 2018-07-09 | 2018-12-21 | 上海理工大学 | A kind of negative pressure chalk dust absorption device |
| CN109435547A (en) * | 2018-11-12 | 2019-03-08 | 广州市轻工高级技工学校 | A kind of black board eraser with chalk-dust collector |
| CN112092522A (en) * | 2020-09-26 | 2020-12-18 | 桃源县第三中学 | Blackboard eraser with dust collection function and dust discharge mechanism thereof |
| CN112793344A (en) * | 2021-04-06 | 2021-05-14 | 曹明 | Electric dust-absorbing blackboard eraser |
-
2017
- 2017-04-01 CN CN201720341241.1U patent/CN206870699U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109047260A (en) * | 2018-07-09 | 2018-12-21 | 上海理工大学 | A kind of negative pressure chalk dust absorption device |
| CN109435547A (en) * | 2018-11-12 | 2019-03-08 | 广州市轻工高级技工学校 | A kind of black board eraser with chalk-dust collector |
| CN112092522A (en) * | 2020-09-26 | 2020-12-18 | 桃源县第三中学 | Blackboard eraser with dust collection function and dust discharge mechanism thereof |
| CN112793344A (en) * | 2021-04-06 | 2021-05-14 | 曹明 | Electric dust-absorbing blackboard eraser |
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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: 20180112 Termination date: 20190401 |