CN202345206U - Dust-absorption board eraser - Google Patents
Dust-absorption board eraser Download PDFInfo
- Publication number
- CN202345206U CN202345206U CN2011204885839U CN201120488583U CN202345206U CN 202345206 U CN202345206 U CN 202345206U CN 2011204885839 U CN2011204885839 U CN 2011204885839U CN 201120488583 U CN201120488583 U CN 201120488583U CN 202345206 U CN202345206 U CN 202345206U
- Authority
- CN
- China
- Prior art keywords
- dust
- board eraser
- absorption
- closed cover
- housing
- 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
Images
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a dust-absorption board eraser, which belongs to the technical field of teaching tool structures and is characterized by comprising a casing with a dust collecting cabin (5), an elastic closed cover (2) capable of being tightly attached with the surface of a blackboard is arranged on the periphery of the casing (1), the middle of the elastic closed cover (2) is provided with a dust-absorption sponge (3), a certain gap is arranged between the dust-absorption sponge (3) and the elastic closed cover (2), a hole channel (4) communicated with the dust-collecting cabin (5) is arranged between the dust-absorption sponge (3) and the casing (1), and the height of the elastic closed cover (2) is larger than that of the dust-absorption sponge (3). The dust-absorption board eraser is reasonable in structural design and fast and convenient to use. Compared with a traditional board eraser, the dust-absorption board eraser is sanitary, clean and favorable for environment protection, and reduces harm of dust to teachers and students.
Description
Technical field
The utility model relates to a kind of dust-sucking eraser, belongs to the teaching aid technical field of structures.
Background technology
At present, the effect that dust is had no collection and reduces that the blackboard eraser that school uses produces but is easy to generate amounts of dust on the contrary, and is all influential to teachers and students' health.
Summary of the invention
The purpose of the utility model is to solve the weak point that above-mentioned prior art exists, and provides a kind of reasonable in design simple and direct, uses safe and reliablely, time saving and energy saving, effectively reduces the dust-sucking eraser of dust.
This practical full mold realizes through following technical scheme:
A kind of dust-sucking eraser; Special character is to comprise the housing 1 that has dust collection storehouse 5; The enclosed elastic cover 2 of the periphery of said housing 1 for fitting tightly with the blackboard surface; The center is provided with dust suction cotton 3, has certain clearance between said dust suction cotton 3 and the enclosed elastic cover 2, and is provided with the duct 4 towards dust collection storehouse 5 between dust suction cotton 3 and the housing 1; The height of said enclosed elastic cover 2 is cotton 3 greater than dust suction, thereby tightr when fitting with the blackboard surface.
Said housing 1 is a demountable structure, is used in time clearing up its inner dust.
A kind of dust-sucking eraser of the utility model, reasonable in design uses quick and conveniently, and compares hygiene more with traditional blackboard eraser, helps environmental protection more, and has reduced the harm of dust to teachers and students.
Description of drawings
Fig. 1: a kind of dust-sucking eraser structural representation of the utility model.
The specific embodiment
Following with reference to accompanying drawing, provide the specific embodiment of the utility model, be used for the formation of the utility model is further specified.
A kind of dust-sucking eraser of present embodiment is with reference to figure 1; Comprise the housing 1 that has dust collection storehouse 5; The enclosed elastic cover 2 of the periphery of said housing 1 for fitting tightly with the blackboard surface; The center is provided with dust suction cotton 3, has certain clearance between said dust suction cotton 3 and the enclosed elastic cover 2, and is provided with the duct 4 towards dust collection storehouse 5 between dust suction cotton 3 and the housing 1; The height of said enclosed elastic cover 2 is cotton 3 greater than dust suction, thereby tightr when fitting with the blackboard surface.Said housing 1 is a demountable structure.
The utility model need not electricity consumption, and cost is low, when erasing the board with the utility model be close to the blackboard surface a little firmly down by, remove after streaking an irregular surface area, the interior chalk dust of blackboard eraser builds up to a certain degree can be pulled down shell and clear up.
A kind of dust-sucking eraser of the utility model, reasonable in design uses quick and conveniently, and compares hygiene more with traditional blackboard eraser, helps environmental protection more, and has reduced the harm of dust to teachers and students.
Claims (2)
1. dust-sucking eraser; Be characterised in that and comprise the housing (1) that has dust collection storehouse (5); The enclosed elastic cover (2) of the periphery of said housing (1) for fitting tightly with the blackboard surface; The center is provided with dust suction cotton (3), has certain clearance between said dust suction cotton (3) and the enclosed elastic cover (2), and is provided with the duct (4) towards dust collection storehouse (5) between dust suction cotton (3) and the housing (1); The height of said enclosed elastic cover (2) is greater than dust suction cotton (3).
2. a kind of according to claim 1 dust-sucking eraser is characterized in that said housing (1) is a demountable structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204885839U CN202345206U (en) | 2011-11-30 | 2011-11-30 | Dust-absorption board eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204885839U CN202345206U (en) | 2011-11-30 | 2011-11-30 | Dust-absorption board eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202345206U true CN202345206U (en) | 2012-07-25 |
Family
ID=46534232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204885839U Expired - Fee Related CN202345206U (en) | 2011-11-30 | 2011-11-30 | Dust-absorption board eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202345206U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532292A (en) * | 2018-12-10 | 2019-03-29 | 梅三女 | A kind of environment-friendly dustless blackboard eraser |
-
2011
- 2011-11-30 CN CN2011204885839U patent/CN202345206U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532292A (en) * | 2018-12-10 | 2019-03-29 | 梅三女 | A kind of environment-friendly dustless blackboard eraser |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202345206U (en) | Dust-absorption board eraser | |
| CN204210216U (en) | A kind of blackboard eraser for environmental protection | |
| CN202541143U (en) | Dust collection blackboard eraser | |
| CN202557134U (en) | Dustproof blackboard eraser | |
| CN202319625U (en) | Eraser capable of preventing dust from overflowing | |
| CN202782309U (en) | Chalk dust collector | |
| CN203157520U (en) | Dust collection blackboard eraser | |
| CN203611611U (en) | Idler wheel type dust adsorption and collection eraser | |
| CN201484004U (en) | Environment-friendly blackboard eraser | |
| CN103847376A (en) | Magnetic blackboard eraser capable of easily cleaning dust | |
| CN203142197U (en) | Dust-sucking blackboard eraser | |
| CN201951113U (en) | Blackboard eraser with dust collector | |
| CN201471983U (en) | Blackboard eraser capable of collecting chalk dust | |
| CN202965724U (en) | Dust absorption black eraser | |
| CN202319613U (en) | Automatic dust absorbing blackboard eraser | |
| CN203004754U (en) | Dust absorbing blackboard | |
| CN203032234U (en) | Dust-absorbing eraser | |
| CN203078140U (en) | Dust-collection board eraser | |
| CN203078126U (en) | Blackboard eraser with freshener | |
| CN202357740U (en) | Dust-collecting eraser | |
| CN202022017U (en) | A blackboard eraser | |
| CN202022018U (en) | Automatic cleaning machine for blackboard | |
| CN201849207U (en) | Blackboard eraser | |
| CN202428944U (en) | Eraser | |
| CN201922799U (en) | Dust-collecting eraser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20121130 |