CN202847263U - Dustproof blackboard eraser - Google Patents
Dustproof blackboard eraser Download PDFInfo
- Publication number
- CN202847263U CN202847263U CN 201220540566 CN201220540566U CN202847263U CN 202847263 U CN202847263 U CN 202847263U CN 201220540566 CN201220540566 CN 201220540566 CN 201220540566 U CN201220540566 U CN 201220540566U CN 202847263 U CN202847263 U CN 202847263U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- felt
- chalk
- shell
- blackboard
- 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 relates to a dustproof blackboard eraser which comprises a blackboard eraser body. The blackboard eraser body is composed of a shell and felt. The left side face of the shell and the right side face of the shell are respectively provided with a baffle. The width of each baffle is the same with the thickness of the felt. A dust storage groove is formed below the shell. The width of the dust storage groove is smaller than the thickness of the felt by 1mm-2mm and a gap between the dust storage groove and the felt is 2mm-3mm. A drawer is installed inside the dust storage groove and can be pulled out from the dust storage groove. A chalk groove is arranged inside the shell and a pulling plate is arranged above the chalk groove. According to the dustproof blackboard eraser, dust is effectively prevented from floating in the air when a blackboard is erased and the phenomenon that chalks are used up is avoided in class, and therefore schedule of a class is guaranteed.
Description
Technical field
The utility model relates to a kind of blackboard eraser, relates in particular to a kind of dust-proof blackboard eraser.
Background technology
Blackboard eraser is school's requisite thing of giving a lesson, at school during, the teacher often uses blackboard eraser to erase the board.But the blackboard eraser that present school generally uses just is comprised of shell and felt, is easy to make chalk dust disorderly to fly when erasing the board, and has affected the healthy of teacher and front-seat student.Simultaneously, chalk dust falls on the ground, and the student on duty is very inconvenient when cleaning.Sometimes, do not had chalk to half discovery on the class-teaching of teacher, also needed the Educational Affairs Office to take or go to other classroom to borrow, this has had influence on the on class concentrated force of progress and students.
The utility model content
For above-mentioned shortcoming, the utility model provides a kind of dust-proof blackboard eraser.
A kind of dust-proof blackboard eraser comprises blackboard eraser, is comprised of shell and felt, and the left surface of described shell and right flank respectively fill the baffle plate that a soft rubber is made, and baffle plate swings along with the movement of blackboard eraser, and its width is identical with the thickness of felt; The below of described shell is equipped with and is held the dirt groove, holds the little 1～2mm of thickness of the Width felt of dirt groove, and and felt between the space of 2～3cm is arranged; Described holding in the dirt groove is equipped with drawer, and drawer can be extracted out from holding in the dirt groove; The inside of described shell is provided with ledge for chalk on blackboard, and pull plate is equipped with in the ledge for chalk on blackboard top.
Ledge for chalk on blackboard described above is put into 3～5 chalks.
Compared with prior art, the utility model provides a kind of dust-proof blackboard eraser, has added baffle plate and hold the dirt groove, chalk dust disorderly fly and drop on the ground situation in the time of can effectively preventing from erasing the board, minimizing alleviates student on duty's burden simultaneously to the harm of Faculty and Students' health.The situation that chalk was finished during ledge for chalk on blackboard can be avoided giving a lesson on the way guarantees on class progress.
Description of drawings
Fig. 1 is the structural representation of dust-proof blackboard eraser of the present utility model.
Among the figure: 1, blackboard eraser, 2, shell, 3, felt, 4, baffle plate, 5, hold the dirt groove, 6, drawer, 7, ledge for chalk on blackboard, 8, pull plate.
The specific embodiment
Embodiment 1
The present embodiment provides a kind of dust-proof blackboard eraser, and structure comprises blackboard eraser 1 as shown in Figure 1, formed by shell 2 and felt 3, the left surface of described shell 2 and right flank respectively fill the baffle plate 4 that a soft rubber is made, and baffle plate 4 swings along with the movement of blackboard eraser 1, and its width is identical with the thickness of felt 3; The below of described shell 2 is equipped with and is held dirt groove 5, holds the little 1～2mm of thickness of its Width felt 3 of dirt groove 5, and and felt 3 between the space of 2～3cm is arranged; Described holding is equipped with drawer 6 in the dirt groove 5, drawer 6 can be from holding the 5 interior extractions of dirt groove; The inside of described shell 2 is provided with ledge for chalk on blackboard 7, and pull plate 8 is equipped with in ledge for chalk on blackboard 7 tops.
During concrete the use, pull out pull plate 8,5 chalks of in ledge for chalk on blackboard 7, packing into, pull plate 8 closes.The normal blackboard eraser 1 that uses at school, lower class hour will be extracted drawer 6 out, outwell drawer 6 interior chalk dusts, dirt groove 5 be held in drawer 6 threadings then use.If run on class the situation that chalk is finished, the chalk that just can take out in the ledge for chalk on blackboard 7 uses.
The utility model is made simple, and is easy to use, stirs up a cloud of dust in the time of can effectively preventing from erasing the board, and also can avoid the situation that chalk is finished in the way on class, guarantees on class progress.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (2)
1. dust-proof blackboard eraser, comprise blackboard eraser (1), formed by shell (2) and felt (3), it is characterized in that: the left surface of described shell (2) and right flank respectively fill the baffle plate (4) that a soft rubber is made, baffle plate (4) swings along with the movement of blackboard eraser (1), and its width is identical with the thickness of felt (3); The below of described shell (2) is equipped with and is held dirt groove (5), holds the little 1～2mm of thickness of the Width felt (3) of dirt groove (5), and and felt (3) between the space of 2～3cm is arranged; Described holding is equipped with drawer (6) in the dirt groove (5), drawer (6) can be extracted out from holding in the dirt groove (5); The inside of described shell (2) is provided with ledge for chalk on blackboard (7), and pull plate (8) is equipped with in ledge for chalk on blackboard (7) top.
2. dust-proof blackboard eraser according to claim 1, it is characterized in that: described ledge for chalk on blackboard (7) is put into 3～5 chalks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220540566 CN202847263U (en) | 2012-10-22 | 2012-10-22 | Dustproof blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220540566 CN202847263U (en) | 2012-10-22 | 2012-10-22 | Dustproof blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202847263U true CN202847263U (en) | 2013-04-03 |
Family
ID=47978497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220540566 Expired - Fee Related CN202847263U (en) | 2012-10-22 | 2012-10-22 | Dustproof blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202847263U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260584A (en) * | 2014-10-30 | 2015-01-07 | 罗国友 | Dustproof efficient blackboard eraser |
-
2012
- 2012-10-22 CN CN 201220540566 patent/CN202847263U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260584A (en) * | 2014-10-30 | 2015-01-07 | 罗国友 | Dustproof efficient blackboard eraser |
| CN104260584B (en) * | 2014-10-30 | 2016-02-24 | 林霏 | A kind of blackboard eraser of dust-proof efficient |
| CN105415944A (en) * | 2014-10-30 | 2016-03-23 | 罗国友 | Blackboard eraser capable of reducing dust pollution |
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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: 20130403 Termination date: 20131022 |