CN201808370U - Dust collecting blackboard eraser - Google Patents
Dust collecting blackboard eraser Download PDFInfo
- Publication number
- CN201808370U CN201808370U CN2010205119512U CN201020511951U CN201808370U CN 201808370 U CN201808370 U CN 201808370U CN 2010205119512 U CN2010205119512 U CN 2010205119512U CN 201020511951 U CN201020511951 U CN 201020511951U CN 201808370 U CN201808370 U CN 201808370U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- dust collecting
- sponge block
- cavity
- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a dust collecting blackboard eraser, mainly used for solving the problems that dust floats around in the process of cleaning a blackboard, which is bad for health of teachers and students. The dust collecting blackboard eraser comprises a blackboard eraser body composed of an erasing board and brushes, wherein the interior of the erasing board is provided with a cavity, the cavity is communicated with the outside by virtue of a dust collecting hole array on the front of the erasing board, the back of the erasing board is provided with a cover plate, and the cavity is internally provided with a dust collecting device. The front of the erasing board is provided with a rubber dust screen at the periphery. In the utility model, a dust collecting sponge block (a sponge block stained with water is preferably) is arranged in the interior of the erasing board, and chalk dust can be adsorbed on the sponge block. The cover plate at the back can realize periodic cleaning on the sponge block.
Description
Technical field
The utility model relates to a kind of blackboard eraser, specifically a kind of ash-collecting blackboard eraser.
Background technology
Classroom the inside all will erase the board behind almost every class, however the dust after erasing the board fly away everywhere, not only be not easy to clean but also teachers and students healthy caused very big harm.
The utility model content
The purpose of this utility model is to provide a kind of ash-collecting blackboard eraser, and the dust that can produce when erasing the board adsorbs effectively, greatly reduces the harm of dust to teachers and students' health.
The technical scheme that its technical problem that solves the utility model adopts is: this kind ash-collecting blackboard eraser, comprise the blackboard eraser body that constitutes by wiping board and bristle, it is characterized in that, there is a cavity described wiping board inside, described cavity is in communication with the outside by the air suction opening array in wiping board front, the back side of described wiping board has been provided with a cover plate, places dust exhaust apparatus in the described cavity.
Described dust exhaust apparatus is a sponge block.
One rubber Air Filter is set around the described wiping board front.
The utlity model has following outstanding beneficial effect:, chalk dust can be adsorbed on the sponge block by the sponge block (sponge that gets wet is better) of dust suction is set in wiping board inside.The cover plate of back can realize regularly cleaning the effect of sponge block.
Description of drawings
Accompanying drawing 1 is a full sectional view of the present utility model;
Accompanying drawing 2 is the upward view of Fig. 1.
Description of reference numerals: 1 wiping board, 2 bristles, 3 cavitys, 4 air suction opening arrays, 5 cover plates, 6 sponge blocks, 7 rubber Air Filters.
The specific embodiment
As depicted in figs. 1 and 2, this kind ash-collecting blackboard eraser comprises the blackboard eraser body that is made of wiping board 1 and bristle 2.
Wiping board 1 is the inner square shape that a cavity 3 is arranged, and the one side that bristle is arranged on the definition wiping board is for positive.In the front of wiping board 1 air suction opening array 4 is set, air suction opening is rectangular cylindrical void, is arranged in bristle in the ranks at interval; The back side of wiping board has been provided with a cover plate 5.Cavity inside is placed a sponge block 6, and utilization is a sponge absorption chalk dust.
For preventing chalk dust to indoor diffusion, a rubber Air Filter 7 is set on every side in the wiping board front, force chalk dust to the wiping board internal flow.
When using this blackboard eraser to erase the board, chalk dust enters cavity and promptly sticks on the sponge block to the wiping board internal flow, and adsorption effect was better after sponge block got wet.When sponge block need clean, the cover plate of opening the rear portion can take out sponge block.
Claims (3)
1. ash-collecting blackboard eraser comprises the blackboard eraser body that is made of wiping board and bristle, it is characterized in that, there is a cavity described wiping board inside, described cavity is in communication with the outside by the air suction opening array in wiping board front, and the back side of described wiping board has been provided with a cover plate, places dust exhaust apparatus in the described cavity.
2. ash-collecting blackboard eraser according to claim 1 is characterized in that, described dust exhaust apparatus is a sponge block.
3. ash-collecting blackboard eraser according to claim 1 and 2 is characterized in that, a rubber Air Filter is set around the described wiping board front.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205119512U CN201808370U (en) | 2010-08-31 | 2010-08-31 | Dust collecting blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205119512U CN201808370U (en) | 2010-08-31 | 2010-08-31 | Dust collecting blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201808370U true CN201808370U (en) | 2011-04-27 |
Family
ID=43891315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205119512U Expired - Fee Related CN201808370U (en) | 2010-08-31 | 2010-08-31 | Dust collecting blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201808370U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102367032A (en) * | 2011-10-24 | 2012-03-07 | 沈阳化工大学 | Wet-adsorbing dust-free blackboard eraser |
| CN112140706A (en) * | 2020-09-27 | 2020-12-29 | 重庆鑫斗包装材料有限公司 | High-speed printing machine for outer packaging material |
-
2010
- 2010-08-31 CN CN2010205119512U patent/CN201808370U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102367032A (en) * | 2011-10-24 | 2012-03-07 | 沈阳化工大学 | Wet-adsorbing dust-free blackboard eraser |
| CN112140706A (en) * | 2020-09-27 | 2020-12-29 | 重庆鑫斗包装材料有限公司 | High-speed printing machine for outer packaging material |
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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: 20110427 Termination date: 20110831 |