CN201280016Y - Dustless blackboard - Google Patents
Dustless blackboard Download PDFInfo
- Publication number
- CN201280016Y CN201280016Y CNU2008201735645U CN200820173564U CN201280016Y CN 201280016 Y CN201280016 Y CN 201280016Y CN U2008201735645 U CNU2008201735645 U CN U2008201735645U CN 200820173564 U CN200820173564 U CN 200820173564U CN 201280016 Y CN201280016 Y CN 201280016Y
- Authority
- CN
- China
- Prior art keywords
- dust
- rubber
- strip
- eraser
- button
- 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-free blackboard eraser, which belongs to the technical field of chalk dust absorption device. The dust-free blackboard eraser comprises a plug, a plate body, a button, a rubber, a spring, and a palm fiber eraser, wherein the button is adhered to the top of the rubber; the rubber is adhered to the top of the spring; the plug is directly inserted in the right upper corner of the plate body; the fiber eraser has palm fibers in strip distribution; and a strip-like felt slightly shorter than the palm fibers is arranged between two adjacent strip-like palm fibers. Compared with the prior art, the dust-free blackboard eraser with the structure can more completely remove chalk dust while erasing the blackboard.
Description
Technical field
The utility model includes sucking chalk powder device technique field, particularly relates to a kind of dust-free black board eraser.
Background technology
At present, the blackboard eraser that the teacher uses mostly is an ordinary blackboard eraser, and this blackboard eraser is a chalk dust everywhere when using, and has a strong impact on the healthy of Faculty and Students.Chinese patent specification CN2530818 discloses a kind of dust-free black board eraser, it is wiped by stopper, plate body, button, rubber, spring, hair and constitutes, button is bonded in the apical position of rubber, and rubber bound is at the apical position of spring, and stopper is directly filled in the upper right corner at the plate body.This utility model patent has solved the problem of dust absorption blackboard eraser more effectively, but it does not also have to solve more up hill and dale the more problem of chalk dust when erasing the board.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of more dust-free black board eraser of chalk dust when erasing the board that solves more up hill and dale is provided
The utility model is wiped by stopper, plate body, button, rubber, spring, hair and is constituted, button is bonded in the apical position of rubber, rubber bound is at the apical position of spring, stopper is directly filled in the upper right corner at the plate body, the snag that described hair smears is strip and distributes, and the strip felt of height a little less than snag is set between two adjacent strip snags.
The utility model forms a kind of interval owing to adopt above structure between strip snag and the strip felt, be easier to felt absorption dust, compared with prior art has to solve the more advantage of chalk dust when erasing the board more up hill and dale.
Description of drawings
Fig. 1 is the structural representation of the utility model dust-free black board eraser;
Fig. 2 is the schematic diagram that face is wiped in dust-free blackboard snag shown in Figure 1.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is elaborated:
As shown in Figure 1 and Figure 2, the utility model is wiped 6 by stopper 1, plate body 2, button 3, rubber 4, spring 5, hair and is constituted, button is bonded in the apical position of rubber, rubber bound is at the apical position of spring, stopper is directly filled in the upper right corner at the plate body, the snag 7 that described hair smears is strip and distributes, and the strip felt 8 of height a little less than snag is set between two adjacent strip snags.
Claims (1)
1, a kind of dust-free black board eraser, wiping (6) by stopper (1), plate body (2), button (3), rubber (4), spring (5), hair constitutes, button is bonded in the apical position of rubber, rubber bound is at the apical position of spring, stopper is directly filled in the upper right corner at the plate body, it is characterized in that: the snag (7) that described hair smears is strip and distributes, and the strip felt (8) of height a little less than snag is set between two adjacent strip snags.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201735645U CN201280016Y (en) | 2008-10-20 | 2008-10-20 | Dustless blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201735645U CN201280016Y (en) | 2008-10-20 | 2008-10-20 | Dustless blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201280016Y true CN201280016Y (en) | 2009-07-29 |
Family
ID=40926902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201735645U Expired - Fee Related CN201280016Y (en) | 2008-10-20 | 2008-10-20 | Dustless blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201280016Y (en) |
-
2008
- 2008-10-20 CN CNU2008201735645U patent/CN201280016Y/en not_active Expired - Fee Related
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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: 20090729 Termination date: 20101020 |