CN204222496U - Automatic dust absorption chalkboard eraser - Google Patents
Automatic dust absorption chalkboard eraser Download PDFInfo
- Publication number
- CN204222496U CN204222496U CN201420677456.7U CN201420677456U CN204222496U CN 204222496 U CN204222496 U CN 204222496U CN 201420677456 U CN201420677456 U CN 201420677456U CN 204222496 U CN204222496 U CN 204222496U
- Authority
- CN
- China
- Prior art keywords
- dust
- roll shaft
- shell body
- exhaust apparatus
- chalkboard eraser
- 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
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Abstract
The utility model discloses a kind of automatic dust absorption chalkboard eraser, comprise shell body, dust exhaust apparatus, lateral connection one hollow roll shaft in described shell body, hollow roll shaft perisporium has been spaced air suction opening and felt woollen brush, scraper plate and the felt woollen brush of top are affixed, hollow roll shaft one end seals, and another transmission end connects the turning cylinder of the air exhauster of dust exhaust apparatus through spacer, be provided with dust-collecting box below dust pocket.Utilize the rotation of roll shaft, wiped by letter written with chalk from blackboard, the powder produced is drawn in dust pocket by dust exhaust apparatus from the air suction opening of roll shaft, avoids the harm that dust brings to health.
Description
Technical field
The utility model relates to a kind of chalkboard eraser, especially relates to a kind of automatic dust absorption chalkboard eraser.
Background technology
Along with the development of science and technology, multimedia education obtains extensively universal, but on classroom, teacher professor is still main by chalk-writing to the knowledge of student on blackboard.Remove letter written with chalk usually to adopt chalkboard eraser to realize, powder, when erasing the board, is directly wiped, is caused a large amount of diffussion of dusts in air, bring harm to the healthy of academics and students by existing chalkboard eraser.
Summary of the invention
The purpose of this utility model is for existing deficiency, provides a kind of chalkboard eraser automatically sucking powder when erasing chalk word.
To achieve the above object, the utility model solves the technical scheme that its technical problem adopts: a kind of automatic dust absorption chalkboard eraser, comprise shell body, dust exhaust apparatus, lateral connection one hollow roll shaft in described shell body, hollow roll shaft perisporium has been spaced air suction opening and felt woollen brush, scraper plate and the felt woollen brush of top are affixed, hollow roll shaft one end seals, the spacer connection rotating shaft of another transmission end, driven pulley in this rotating shaft engages with the driving wheel on the air exhauster turning cylinder of dust exhaust apparatus, dividing plate is provided with Yu Chenkong, is provided with dust-collecting box below dust pocket.
Shell body outside the fan blade of air exhauster is provided with the exhaust vent of palisade, is provided with filter cloth inside exhaust vent.
Shell body upper end is provided with the battery compartment for installing battery.
Shell body is provided with the switch controlling dust exhaust apparatus and rotate.
The beneficial effects of the utility model are: volume is little, easy to use.Utilize the rotation of roll shaft, wiped by letter written with chalk from blackboard, the powder produced is drawn in dust pocket by dust exhaust apparatus from the air suction opening of roll shaft, avoids the harm that dust brings to health.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of roll shaft.
Fig. 3 is the schematic diagram of the utility model outside.
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
Detailed description of the invention
As shown in Figure 1, 2, 3, a kind of automatic dust absorption chalkboard eraser, comprise shell body, dust exhaust apparatus, laterally be provided with a hollow roll shaft 21 in shell body 1, hollow roll shaft perisporium has been spaced air suction opening 211 and felt woollen brush 212, is provided with scraper plate 11 above hollow roll shaft, scraper plate and felt woollen brush are affixed, when hollow roll shaft 21 rotates, powder subsidiary on felt woollen brush 212 is cleaned by scraper plate 11, and the powder scraped sucks from air suction opening 211.The sealed end of hollow roll shaft 21 is rotatably connected on shell body 1, spacer 213 connection rotating shaft 214 of another transmission end, driven pulley 215 in this rotating shaft engages with the driving wheel 231 on air exhauster 22 turning cylinder 23 of dust exhaust apparatus, dividing plate 17 is provided with remaining dirt hole 171, shell body outside the fan blade of air exhauster 22 is provided with palisade exhaust vent 12, is provided with filter cloth inside exhaust vent.Be provided with dust-collecting box 14 below dust pocket 13, dust-collecting box is detachable, and shell body upper end is provided with the battery compartment 15 for installing battery.Battery is as the power supply providing dust exhaust apparatus, and shell body is provided with the switch 16 controlling dust exhaust apparatus and rotate.
When operating, open switch 16, dust exhaust apparatus is started working, hold chalkboard eraser aligning letter written with chalk to wipe, letter written with chalk, in rotary course, is wiped by the felt woollen brush 212 on hollow roll shaft, wipe under powder be drawn in dust pocket 13 from the air suction opening 211 of hollow roll shaft, remain in powder on felt woollen brush 212 after scraper plate 11 is clean, all the other dirt are drawn in dust pocket 13 from remaining dirt hole 171, and the powder of collection is removed from dust-collecting box 14.
Claims (4)
1. an automatic dust absorption chalkboard eraser, comprise shell body, dust exhaust apparatus, it is characterized in that: lateral connection one hollow roll shaft in described shell body, hollow roll shaft perisporium has been spaced air suction opening and felt woollen brush, and scraper plate and the felt woollen brush of top are affixed, and hollow roll shaft one end seals, the spacer connection rotating shaft of another transmission end, driven pulley in this rotating shaft engages with the driving wheel on the air exhauster turning cylinder of dust exhaust apparatus, and dividing plate is provided with Yu Chenkong, is provided with dust-collecting box below dust pocket.
2. a kind of automatic dust absorption chalkboard eraser according to claim 1, is characterized in that: the shell body outside the fan blade of air exhauster is provided with the exhaust vent of palisade, is provided with filter cloth inside exhaust vent.
3. a kind of automatic dust absorption chalkboard eraser according to claim 1, is characterized in that: shell body upper end is provided with the battery compartment for installing battery.
4. a kind of automatic dust absorption chalkboard eraser according to claim 1, is characterized in that: shell body is provided with the switch controlling dust exhaust apparatus and rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420677456.7U CN204222496U (en) | 2014-11-11 | 2014-11-11 | Automatic dust absorption chalkboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420677456.7U CN204222496U (en) | 2014-11-11 | 2014-11-11 | Automatic dust absorption chalkboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204222496U true CN204222496U (en) | 2015-03-25 |
Family
ID=52920626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420677456.7U Expired - Fee Related CN204222496U (en) | 2014-11-11 | 2014-11-11 | Automatic dust absorption chalkboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204222496U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105644222A (en) * | 2015-06-11 | 2016-06-08 | 杨正兰 | Automatic dust-adsorbing chalk brush |
| CN105667152A (en) * | 2015-07-09 | 2016-06-15 | 晋江市东亨工业设计有限公司 | Chalkboard eraser with chalk dust collecting bin |
| CN105667151A (en) * | 2015-07-09 | 2016-06-15 | 晋江市东亨工业设计有限公司 | Chalk eraser with filter |
| CN105667153A (en) * | 2015-07-09 | 2016-06-15 | 晋江市东亨工业设计有限公司 | Chalkboard eraser |
| CN105691064A (en) * | 2015-07-13 | 2016-06-22 | 中山市丰申电器有限公司 | Energy-storage type chalk wiper with supercharger |
| CN107282557A (en) * | 2017-08-21 | 2017-10-24 | 常州市优谷精密机械股份有限公司 | A kind of cleaning device of generator hollow cooler |
| CN108662736A (en) * | 2018-03-22 | 2018-10-16 | 梅州好万家实业有限公司 | A kind of deashing device for central air-conditioning air outlet |
| CN111957135A (en) * | 2020-07-30 | 2020-11-20 | 郑州航空工业管理学院 | Fireproof and explosion-proof device and method for dust workshop |
-
2014
- 2014-11-11 CN CN201420677456.7U patent/CN204222496U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105644222A (en) * | 2015-06-11 | 2016-06-08 | 杨正兰 | Automatic dust-adsorbing chalk brush |
| CN105667152A (en) * | 2015-07-09 | 2016-06-15 | 晋江市东亨工业设计有限公司 | Chalkboard eraser with chalk dust collecting bin |
| CN105667151A (en) * | 2015-07-09 | 2016-06-15 | 晋江市东亨工业设计有限公司 | Chalk eraser with filter |
| CN105667153A (en) * | 2015-07-09 | 2016-06-15 | 晋江市东亨工业设计有限公司 | Chalkboard eraser |
| CN105691064A (en) * | 2015-07-13 | 2016-06-22 | 中山市丰申电器有限公司 | Energy-storage type chalk wiper with supercharger |
| CN105691063A (en) * | 2015-07-13 | 2016-06-22 | 中山市丰申电器有限公司 | Energy-storage type chalk wiper with filter |
| CN107282557A (en) * | 2017-08-21 | 2017-10-24 | 常州市优谷精密机械股份有限公司 | A kind of cleaning device of generator hollow cooler |
| CN108662736A (en) * | 2018-03-22 | 2018-10-16 | 梅州好万家实业有限公司 | A kind of deashing device for central air-conditioning air outlet |
| CN111957135A (en) * | 2020-07-30 | 2020-11-20 | 郑州航空工业管理学院 | Fireproof and explosion-proof device and method for dust workshop |
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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: 20150325 Termination date: 20151111 |
|
| EXPY | Termination of patent right or utility model |