CN102241222A - Blackboard eraser for removing dust - Google Patents
Blackboard eraser for removing dust Download PDFInfo
- Publication number
- CN102241222A CN102241222A CN2010106176748A CN201010617674A CN102241222A CN 102241222 A CN102241222 A CN 102241222A CN 2010106176748 A CN2010106176748 A CN 2010106176748A CN 201010617674 A CN201010617674 A CN 201010617674A CN 102241222 A CN102241222 A CN 102241222A
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- CN
- China
- Prior art keywords
- dust
- blackboard eraser
- removing blackboard
- bristle
- collecting cavity
- 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 invention provides a blackboard eraser for removing dust, comprising brush hairs, a plurality of dust collecting ports, a dust collecting cavity, an air extraction pump and a power supply, wherein the brush hairs are detachable brush hairs and are fixed on the blackboard eraser for removing dust; the dust collecting ports are positioned in the blackboard eraser for removing dust and are communicated with the dust collecting cavity in the blackboard eraser for removing dust; the dust collecting ports are positioned below the brush hairs; and the air extraction pump is positioned in the blackboard eraser for removing dust, is communicated with the dust collecting cavity through a hose and is in circuit connection with the power supply. According to the blackboard eraser for removing dust, which is disclosed by the invention, the dust removing effect of the blackboard eraser is achieved by using the dust collecting cavity, the air extraction pump and other parts which are arranged on the blackboard eraser and the aim of absorbing the chalk dust is achieved; the brush hairs can be picked off to facilitate the cleaning; the blackboard eraser has a simple structure and is convenient to use; the flying chalk dust generated by wiping the blackboard can be effectively absorbed so as to prevent the pollution of the chalk dust to the environment and the stain to clothes and bodies of surround crowds; and the brush hairs are easy to clean.
Description
Technical field
The present invention relates to blackboard eraser, relate in particular to a kind of dust-removing blackboard eraser.
Background technology
The blackboard right and wrong are the educational aid of usefulness usually, and the teacher reaches the purpose of educating the student by write the content of courses on blackboard with chalk.The word that writes with chalk can cause a lot of chalk dusts, has wave contaminated environment and descending slowly and lightly to teacher, student's body of a lot of chalk dusts when using blackboard eraser to erase the board, the clothing and be exposed to outer hair, skin made dirty.After being stained with chalk dust on the bristle of blackboard eraser, cleaning is got up also pretty troublesome.Now also there is not blackboard eraser can reduce the problem of waving of chalk dust and the cleaning difficulty of reduction bristle.
Summary of the invention
The invention provides a kind of dust-removing blackboard eraser, realize the dedusting effect of blackboard eraser, reach the purpose that absorbs chalk dust, and bristle can be taken off easy cleaning by parts such as dust-collecting cavity and aspiration pump are set on the blackboard eraser.
The present invention is a kind of novel blackboard eraser, and is concrete, and described dust-removing blackboard eraser comprises bristle, dust collecting opening, dust-collecting cavity, aspiration pump, power supply; Described bristle is detachable bristle, and it is that dust removing blackboard smears that bristle is fixed on; Described dust collecting opening is a plurality of and is positioned at dust-removing blackboard eraser, is communicated with described dust-collecting cavity in the dust-removing blackboard eraser that coexists, and dust collecting opening is positioned at described bristle below; Described aspiration pump is positioned at dust-removing blackboard eraser, is connected with described dust-collecting cavity and links to each other with described power circuit by flexible pipe.
Above-mentioned dust-removing blackboard eraser, wherein, described bristle is fixed on described dust removing blackboard by latch and smears, and described latch is a plurality of.
Above-mentioned dust-removing blackboard eraser, wherein, described dust-collecting cavity is provided with through hole and is connected with the outside of dust-removing blackboard eraser, and described through hole is provided with lid.
Above-mentioned dust-removing blackboard eraser wherein, is provided with switch between described aspiration pump and the power supply.
Above-mentioned dust-removing blackboard eraser, wherein, described power supply is a dry cell, is positioned at dust-removing blackboard eraser.
Above-mentioned dust-removing blackboard eraser, wherein, the pairing position of described bristle and dust collecting opening is provided with opening.
Dust-removing blackboard eraser of the present invention many beneficial effects are arranged: simple in structure, easy to use, practical; Can effectively siphon away when erasing the board the chalk dust dust that waves that produces, prevent that chalk dust is to the pollution of environment and to the contamination of surrounding population clothing, health; Bristle is easy to clean.
Description of drawings
Fig. 1 is the structural representation of dust-removing blackboard eraser of the present invention.
The specific embodiment
With reference to Fig. 1, concrete enforcement of the present invention is described below:
As shown in Figure 1, the invention provides a kind of dust-removing blackboard eraser, described dust-removing blackboard eraser comprises bristle 3, dust collecting opening 1, dust-collecting cavity 4, aspiration pump 9, power supply 6; Described bristle 3 is that detachable bristle 3 and bristle 3 are provided with opening with dust collecting opening 1 pairing position, and described bristle 3 is fixed on dust removing blackboard by latch 2 and smears; Described dust collecting opening 1 is for a plurality of and be positioned at dust-removing blackboard eraser, is communicated with described dust-collecting cavity 4 in the dust-removing blackboard eraser that coexists, and dust collecting opening 1 is positioned at described bristle 3 belows, and dust-collecting cavity 4 also is connected with the outside of dust-removing blackboard eraser by the through hole 5 that is provided with lid; Described aspiration pump 9 is positioned at dust-removing blackboard eraser, and be connected with described dust-collecting cavity 4 and link to each other by flexible pipe 7 with described power supply 6 circuit by dry battery charge, and by switch 8 controls.
More than specific embodiments of the invention are described in detail, but it is just as example, the present invention is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and substituting also all among category of the present invention.Therefore, not breaking away from impartial conversion and the modification of being done under the spirit and scope of the present invention, all should contain within the scope of the invention.
Claims (6)
1. a dust-removing blackboard eraser is characterized in that, described dust-removing blackboard eraser comprises bristle, dust collecting opening, dust-collecting cavity, aspiration pump, power supply; Described bristle is detachable bristle, and it is that dust removing blackboard smears that bristle is fixed on; Described dust collecting opening is a plurality of and is positioned at dust-removing blackboard eraser, is communicated with described dust-collecting cavity in the dust-removing blackboard eraser that coexists, and dust collecting opening is positioned at described bristle below; Described aspiration pump is positioned at dust-removing blackboard eraser, is connected with described dust-collecting cavity and links to each other with described power circuit by flexible pipe.
2. a kind of dust-removing blackboard eraser according to claim 1 is characterized in that, described bristle is fixed on described dust removing blackboard by latch and smears, and described latch is a plurality of.
3. a kind of dust-removing blackboard eraser according to claim 1 is characterized in that, described dust-collecting cavity is provided with through hole and is connected with the outside of dust-removing blackboard eraser, and described through hole is provided with lid.
4. a kind of dust-removing blackboard eraser according to claim 1 is characterized in that, is provided with switch between described aspiration pump and the power supply.
5. a kind of dust-removing blackboard eraser according to claim 1 is characterized in that described power supply is a dry cell, is positioned at dust-removing blackboard eraser.
6. a kind of dust-removing blackboard eraser according to claim 1 is characterized in that, the pairing position of described bristle and dust collecting opening is provided with opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106176748A CN102241222A (en) | 2010-12-31 | 2010-12-31 | Blackboard eraser for removing dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106176748A CN102241222A (en) | 2010-12-31 | 2010-12-31 | Blackboard eraser for removing dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102241222A true CN102241222A (en) | 2011-11-16 |
Family
ID=44959528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106176748A Pending CN102241222A (en) | 2010-12-31 | 2010-12-31 | Blackboard eraser for removing dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102241222A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102442136A (en) * | 2011-12-12 | 2012-05-09 | 刘伟光 | Environmentally-friendly blackboard eraser |
| CN110422000A (en) * | 2019-07-25 | 2019-11-08 | 广小芳 | A kind of hand electric teaching aid that wiping effect is good |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87213936U (en) * | 1987-10-05 | 1988-03-30 | 许至善 | Semiautomatic dust-collecting type scrubbing eraser |
| CN2782423Y (en) * | 2004-12-27 | 2006-05-24 | 孙锦歌 | Dust-suction blackboard eraser |
-
2010
- 2010-12-31 CN CN2010106176748A patent/CN102241222A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87213936U (en) * | 1987-10-05 | 1988-03-30 | 许至善 | Semiautomatic dust-collecting type scrubbing eraser |
| CN2782423Y (en) * | 2004-12-27 | 2006-05-24 | 孙锦歌 | Dust-suction blackboard eraser |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102442136A (en) * | 2011-12-12 | 2012-05-09 | 刘伟光 | Environmentally-friendly blackboard eraser |
| CN110422000A (en) * | 2019-07-25 | 2019-11-08 | 广小芳 | A kind of hand electric teaching aid that wiping effect is good |
| CN110422000B (en) * | 2019-07-25 | 2021-08-13 | 杨陈澄 | Clean effectual electronic teaching aid of hand-held type |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111116 |