CN201792665U - Dustproof dual-purpose blackboard eraser - Google Patents
Dustproof dual-purpose blackboard eraser Download PDFInfo
- Publication number
- CN201792665U CN201792665U CN2010205099665U CN201020509966U CN201792665U CN 201792665 U CN201792665 U CN 201792665U CN 2010205099665 U CN2010205099665 U CN 2010205099665U CN 201020509966 U CN201020509966 U CN 201020509966U CN 201792665 U CN201792665 U CN 201792665U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- erasing
- layer
- dustproof
- dual
- 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 dustproof dual-purpose blackboard eraser which belongs to teaching aids and is mainly used for solving the problem that the chalk powder flies randomly in the process of erasing the blackboard to influence the health of teachers and students to some extent after a long time. The dustproof dual-purpose blackboard eraser comprises an erasing board of the blackboard eraser and an erasing strip. The dustproof dual-purpose blackboard eraser is characterized in that a clamping groove is arranged in the erasing board of the blackboard eraser; the erasing strip is divided into an upper layer and a lower layer; the upper layer is a sponge layer; and the lower layer is a coarse fiber texture layer. By two different erasing bodies of a coarse fiber and a sponge, the dustproof dual-purpose blackboard eraser can erase the characters on the common blackboards and whiteboards, the materials and the configuration of the erasing bodies can prevent the powder from flying in the process of erasing the blackboards, and the dustproof dual-purpose blackboard eraser has the characteristics of cleanliness, sanitation, simplicity and practicality.
Description
Technical field
The utility model relates to a kind of teaching aid, and specifically a kind of dustproof Double-purpose blackboard is wiped.
Background technology
In daily learning life, often need erase the board, sluggish in air circulation sometimes in the classroom, chalk powder can waft to such an extent that be everywhere when using common blackboard eraser to erase the board, and not only sweeps the healthy of very inconvenience but also grievous injury classmates.
The utility model content
The purpose of this utility model is to provide a kind of dustproof Double-purpose blackboard to wipe, and solves the problem that dust is arranged when erasing the board.
The technical scheme that its technical problem that solves the utility model adopts is: dustproof Double-purpose blackboard is wiped, and comprises the blackboard eraser wiping board and wipes bar, it is characterized in that, establish draw-in groove in the described blackboard eraser wiping board, described wiping bar is divided into two-layer up and down, and the upper strata is a spongy layer, and lower floor is the crude fibre tissue layer.
The utlity model has following outstanding beneficial effect: this blackboard eraser is by two-layer different wiping body, a kind of is crude fibre, another kind is a sponge, can realize wiping to font on normal blackboard and the blank, and powder flew away when the material of wiping body and structure can prevent to erase the board, have sanitation and hygiene, simple and practical characteristics.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1 blackboard eraser wiping board, 2 wipe bar, 21 spongy layers, 22 crude fibre tissue layer.
The specific embodiment
As shown in Figure 1, dustproof Double-purpose blackboard is wiped, and comprises blackboard eraser wiping board 1 and wipes bar 2, and establish draw-in groove in the described blackboard eraser wiping board 1, described wiping bar 2 is divided into two-layer up and down, and the upper strata is a spongy layer 21, and lower floor is a crude fibre tissue layer 22.
During use, during writing on needing the wiping normal blackboard, the crude fibre tissue layer 22 of wiping bar 2 is placed on orlop comes blackboard wiping, when the common blank of needs wiping, the spongy layer 21 of wiping bar 2 is placed on orlop comes the wiping blank, simple and practical, easy to clean.
Claims (1)
1. dustproof Double-purpose blackboard is wiped, and comprises the blackboard eraser wiping board and wipes bar, and it is characterized in that, establish draw-in groove in the described blackboard eraser wiping board, described wiping bar is divided into two-layer up and down, and the upper strata is a spongy layer, and lower floor is the crude fibre tissue layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205099665U CN201792665U (en) | 2010-08-30 | 2010-08-30 | Dustproof dual-purpose blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205099665U CN201792665U (en) | 2010-08-30 | 2010-08-30 | Dustproof dual-purpose blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201792665U true CN201792665U (en) | 2011-04-13 |
Family
ID=43847587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205099665U Expired - Fee Related CN201792665U (en) | 2010-08-30 | 2010-08-30 | Dustproof dual-purpose blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201792665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104742621A (en) * | 2015-03-20 | 2015-07-01 | 刘忠一 | Combined blackboard eraser capable of being used in cooperation with automatic blackboard eraser cleaner |
-
2010
- 2010-08-30 CN CN2010205099665U patent/CN201792665U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104742621A (en) * | 2015-03-20 | 2015-07-01 | 刘忠一 | Combined blackboard eraser capable of being used in cooperation with automatic blackboard eraser cleaner |
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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: 20110413 Termination date: 20110830 |