CN202703045U - Dust absorption blackboard eraser - Google Patents
Dust absorption blackboard eraser Download PDFInfo
- Publication number
- CN202703045U CN202703045U CN 201220324249 CN201220324249U CN202703045U CN 202703045 U CN202703045 U CN 202703045U CN 201220324249 CN201220324249 CN 201220324249 CN 201220324249 U CN201220324249 U CN 201220324249U CN 202703045 U CN202703045 U CN 202703045U
- Authority
- CN
- China
- Prior art keywords
- dust
- blackboard eraser
- housing
- dust absorption
- casing
- 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 relates to a dust absorption blackboard eraser which comprises a casing, wherein a board wiper provided with brush hair is arranged on the casing, a dust groove is respectively arranged on the casing on the left side and the right side of the board wiper, a rubber strip is respectively arranged at the edge on the outer side of each dust groove, and a dust collection box connected with the dust grooves is connected on the casing at the back end of the board wiper. The dust absorption blackboard eraser can collect swept chalk dust, prevents dust form flying all around, avoids environment pollution, and is simple in structure, light, convenient, low in manufacture price and favorable for being popularized and used.
Description
Technical field
The utility model relates to a kind of blackboard eraser, specifically relates to a kind of dust absorption blackboard eraser, belongs to the teaching equipment technical field.
Background technology
Traditional blackboard eraser is to be bonded by blackboard eraser and cotton felt; soon a fritter felt pan or sponge adhere on the blackboard eraser and use as blackboard eraser; or be bonded by blackboard eraser and hairbrush; during the chalk writing of this class blackboard eraser on erasing blackboard; usually can cause chalk powder to fly upward everywhere; contaminated air not only; also be easy to be drawn onto in the lung by teacher, student; have a strong impact on the healthy of academics and students; and the chalk powder that is bonded on the cotton felt also is difficult to remove; can only remove dust on the cotton felt by the mode of beaing, thus, also can cause chalk powder to fly upward everywhere.
Along with the progress of technology, appearance dustproof or dust absorption blackboard eraser has solved the technical problem that chalk powder flies upward everywhere, but existing dustproof or the dust absorption blackboard eraser volume is large, cost is higher and weight is heavier.
Summary of the invention
For solving above technical deficiency, it is a kind of simple in structure that the utility model provides, and volume, weight are less, and cost is low, and dust absorption blackboard eraser easy to use can not only prevent that chalk dust from flying upward everywhere, improves environmental sanitation, and can improve wiping efficient.
The technical solution of the utility model is as follows:
A kind of dust absorption blackboard eraser of the present utility model, comprise housing, be provided with the blackboard eraser with bristle on the housing, be provided with the dust groove on the housing of the described blackboard eraser left and right sides, the outer ledge of described dust groove is provided with rubber strip, is connected with the dust collecting box that is connected with the dust groove on the housing of blackboard eraser rear end.
Be connected with spring between above-mentioned blackboard eraser bottom and the housing.
Be provided with outwardly handle on the outer surface of above-mentioned housing.
The beneficial effects of the utility model:
1) the utility model can collect the chalk powder of removing, and has avoided dust to fly upward everywhere, prevents contaminated environment.
2) simple in structure, light, cost is low, be conducive to promote and use.
3) convenient with the wiping board taking-up, change bristle.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Among the figure, 1 housing, 2 handles, 3 dust collecting boxes, 4 blackboard erasers, 5 dust grooves, 6 rubber strips.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is done to explain, but the utility model is not limited to this.
Such as structure as shown in Figure 1, a kind of dust absorption blackboard eraser of the present utility model, comprise housing 1, be provided with the blackboard eraser 4 with bristle on the housing 1, be provided with dust groove 5 on the housing of described blackboard eraser 4 left and right sides, the outer ledge of described dust groove 5 is provided with rubber strip 6, is connected with the dust collecting box 3 that is connected with dust groove 5 on the housing 1 of blackboard eraser 4 rear ends.Be connected with spring between blackboard eraser 4 bottoms and the housing 1.Be provided with outwardly handle 2 on the outer surface of housing 1.
Chalk powder under the wiping falls to dust groove 5 in the space along between hairbrush under the blocking of rubber strip, enters in the dust collecting box 3 from dust groove 5, thereby has avoided dust to fly upward everywhere.
Claims (3)
1. dust absorption blackboard eraser, comprise housing, be provided with the blackboard eraser with bristle on the housing, it is characterized in that: be provided with the dust groove on the housing of the described blackboard eraser left and right sides, the outer ledge of described dust groove is provided with rubber strip, is connected with the dust collecting box that is connected with the dust groove on the housing of blackboard eraser rear end.
2. dust absorption blackboard eraser according to claim 1 is characterized in that: be connected with spring between described blackboard eraser bottom and the housing.
3. dust absorption blackboard eraser according to claim 1 is characterized in that: be provided with outwardly handle on the outer surface of described housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220324249 CN202703045U (en) | 2012-07-06 | 2012-07-06 | Dust absorption blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220324249 CN202703045U (en) | 2012-07-06 | 2012-07-06 | Dust absorption blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202703045U true CN202703045U (en) | 2013-01-30 |
Family
ID=47583379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220324249 Expired - Fee Related CN202703045U (en) | 2012-07-06 | 2012-07-06 | Dust absorption blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202703045U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105774336A (en) * | 2014-12-18 | 2016-07-20 | 上海市格致中学 | Novel eraser |
| CN109261569A (en) * | 2018-08-27 | 2019-01-25 | 芜湖新使命教育科技有限公司 | A kind of chemical laboratory laboratory table cleaning device |
-
2012
- 2012-07-06 CN CN 201220324249 patent/CN202703045U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105774336A (en) * | 2014-12-18 | 2016-07-20 | 上海市格致中学 | Novel eraser |
| CN109261569A (en) * | 2018-08-27 | 2019-01-25 | 芜湖新使命教育科技有限公司 | A kind of chemical laboratory laboratory table cleaning device |
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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: 20130130 Termination date: 20130706 |