CN203937414U - Portable dust-free chalkboard eraser - Google Patents
Portable dust-free chalkboard eraser Download PDFInfo
- Publication number
- CN203937414U CN203937414U CN201420357759.0U CN201420357759U CN203937414U CN 203937414 U CN203937414 U CN 203937414U CN 201420357759 U CN201420357759 U CN 201420357759U CN 203937414 U CN203937414 U CN 203937414U
- Authority
- CN
- China
- Prior art keywords
- chalkboard eraser
- electric machine
- dirt box
- free
- dust
- 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
Abstract
The utility model relates to a kind of chalkboard eraser, relates in particular to a kind of Portable dust-free chalkboard eraser.Comprise a chalkboard eraser housing, described chalkboard eraser enclosure interior is provided with electric machine, on described electric machine, is provided with sponge strip, also comprises that an air exhauster, receives dirt box, described in receive dirt box and connect described electric machine by described air exhauster.Compared with prior art, the utlity model has following advantage: sponge strip is the contact-making surface of chalkboard eraser and blackboard, sponge strip carries out CONTACT WITH FRICTION with blackboard under the drive of electric machine, the dust that air exhauster absorbs sponge strip is accommodated into receives dirt box, adopt this kind of device, can be by the chalk marking wiped clean of blackboard, the dirt box of simultaneously receiving storage dust, reduce dust in indoor propagation, be of value to healthy.
Description
Technical field
The utility model relates to a kind of chalkboard eraser, relates in particular to a kind of Portable dust-free chalkboard eraser.
Background technology
In our school life, there is a kind of requisite educational aid---chalkboard eraser.According to investigations, in the respiratory cancer patient of China, the 20%th, full-time teacher.Here it is teachers' occupational disease.Widely used traditional chalkboard eraser in school, is wiping after blackboard now, also can leave many markings, not only wipes untotally, also makes chalk dust fly upward all over the sky.These chalk dusts can cause very big impact to health, especially the teachers that are sitting in front-seat classmates and be throughout the year operated in before blackboard are caused to very large health hazard.
Utility model content
For the deficiencies in the prior art, the utility model provides a kind of Portable dust-free chalkboard eraser, comprise a chalkboard eraser housing, described chalkboard eraser enclosure interior is provided with electric machine, on described electric machine, be provided with sponge strip, also comprise that an air exhauster, receives dirt box, described in receive dirt box and connect described electric machine by described air exhauster.
As further preferred embodiment, electric machine described in the utility model inside is provided with three motors.
As further preferred embodiment, the outermost layer of chalkboard eraser housing described in the utility model is coated with sponge strip.
As further preferred embodiment, on air exhauster described in the utility model, be provided with an exhausting fan blade.
As further preferred embodiment, the arranged outside of receiving dirt box described in the utility model has sealing joint strip.
As further preferred embodiment, the dirt box inside of receiving described in the utility model is also provided with screen pack.
Compared with prior art, the utlity model has following advantage: sponge strip is the contact-making surface of chalkboard eraser and blackboard, sponge strip carries out CONTACT WITH FRICTION with blackboard under the drive of electric machine, the dust that air exhauster absorbs sponge strip is accommodated into receives dirt box, adopt this kind of device, can be by the chalk marking wiped clean of blackboard, the dirt box of simultaneously receiving storage dust, reduce dust in indoor propagation, be of value to healthy.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as restriction of the present utility model.
As shown in Figure 1, a kind of Portable dust-free chalkboard eraser, comprise a chalkboard eraser housing 1, described chalkboard eraser housing 1 inside is provided with electric machine 2, on described electric machine 2, be provided with sponge strip 5, also comprise that an air exhauster 3, receives dirt box 4, described air exhauster 3 connects described electric machine 2 by the described dirt box 4 of receiving.
Operation principle of the present utility model is: sponge strip is the contact-making surface of chalkboard eraser and blackboard, sponge strip carries out CONTACT WITH FRICTION with blackboard under the drive of electric machine, the dust that air exhauster absorbs sponge strip is accommodated into receives dirt box, adopt this kind of device, can be by the chalk marking wiped clean of blackboard, the dirt box of simultaneously receiving storage dust, reduces dust in indoor propagation, is of value to healthy.
As further preferred embodiment, electric machine described in the utility model 2 inside are provided with three motors.
As further preferred embodiment, the outermost layer of chalkboard eraser housing 1 described in the utility model is coated with sponge strip 5.
As further preferred embodiment, on air exhauster 3 described in the utility model, be provided with an exhausting fan blade 31.
As further preferred embodiment, the arranged outside of receiving dirt box 4 described in the utility model has sealing joint strip.
As further preferred embodiment, dirt box 4 inside of receiving described in the utility model are also provided with screen pack.
The foregoing is only the utility model preferred embodiment; not thereby limit embodiment of the present utility model and protection domain; to those skilled in the art; the scheme that being equal to of should recognizing that all utilization the utility model descriptions and diagramatic content done replaces and apparent variation obtains, all should be included in protection domain of the present utility model.
Claims (6)
1. a Portable dust-free chalkboard eraser, it is characterized in that: comprise a chalkboard eraser housing, described chalkboard eraser enclosure interior is provided with electric machine, on described electric machine, is provided with sponge strip, also comprise that an air exhauster, receives dirt box, described in receive dirt box and connect described electric machine by described air exhauster.
2. a kind of Portable dust-free chalkboard eraser according to claim 1, is characterized in that: described electric machine inside is provided with three motors.
3. a kind of Portable dust-free chalkboard eraser according to claim 1, is characterized in that: the outermost layer of described chalkboard eraser housing is coated with sponge strip.
4. a kind of Portable dust-free chalkboard eraser according to claim 1, is characterized in that: on described air exhauster, be provided with an exhausting fan blade.
5. a kind of Portable dust-free chalkboard eraser according to claim 1, is characterized in that: described in receive the arranged outside of dirt box and have sealing joint strip.
6. a kind of Portable dust-free chalkboard eraser according to claim 1, is characterized in that: described in receive dirt box inside and be also provided with screen pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420357759.0U CN203937414U (en) | 2014-06-30 | 2014-06-30 | Portable dust-free chalkboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420357759.0U CN203937414U (en) | 2014-06-30 | 2014-06-30 | Portable dust-free chalkboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203937414U true CN203937414U (en) | 2014-11-12 |
Family
ID=51856758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420357759.0U Expired - Fee Related CN203937414U (en) | 2014-06-30 | 2014-06-30 | Portable dust-free chalkboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203937414U (en) |
-
2014
- 2014-06-30 CN CN201420357759.0U patent/CN203937414U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141112 Termination date: 20150630 |
|
| EXPY | Termination of patent right or utility model |