CN201941454U - Dustproof blackboard eraser - Google Patents
Dustproof blackboard eraser Download PDFInfo
- Publication number
- CN201941454U CN201941454U CN2010205851002U CN201020585100U CN201941454U CN 201941454 U CN201941454 U CN 201941454U CN 2010205851002 U CN2010205851002 U CN 2010205851002U CN 201020585100 U CN201020585100 U CN 201020585100U CN 201941454 U CN201941454 U CN 201941454U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- eraser
- blackboard
- grooves
- rubber sheets
- 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 provides a dustproof blackboard eraser comprising an eraser body, an eraser felt and soft rubber sheets which serve as blocking devices and are arranged on the periphery of the eraser. Grooves are arranged between the eraser felt and the rubber sheets on the periphery of the eraser. The eraser body and the eraser felt are rectangular, and soft rubber sheets are fixed onto the periphery of the eraser body through pressing sheets or glued onto the periphery of the eraser body. The grooves between the eraser felt and the rubber sheets are 0.8-1.2 cm in width and 0.5-1.0 cm in depth, and the length of the grooves is the same as that of the eraser. The dustproof blackboard eraser is advantageous in that since the soft rubber sheets and grooves are arranged on the blackboard eraser, dusts fly in the grooves and are blocked by the soft rubber sheets, thereby solving the problem that dusts fly in the air during erasing a blackboard with an eraser. The dustproof blackboard eraser can be used to chalk traces in classrooms, outdoors, residences and dorms.
Description
Technical field
The utility model relates to teaching equipment, particularly a kind of dust protected blackboard eraser.
Background technology
At present, the blackboard eraser that extensively is equipped with in the classroom has only the function that chalk powder is wiped clean usually, and does not have the disorderly chalk powder of good treatment aloft; The dust-collecting type blackboard eraser then needs charging in use, the waste resource.Use medium-sized blackboard eraser, not only cause chalk powder to fly everywhere, and teacher and student's health has been caused certain injury.
The utility model content
The purpose of this utility model is exactly in order to address the above problem, and a kind of dust protected blackboard eraser that can prevent that chalk powder from disorderly flying and economizing on resources is provided.
The dust protected blackboard eraser that the utility model provides comprises blackboard eraser main body, blackboard eraser fine hair and the retention device flexible glue skin that is provided with around the blackboard eraser main body, fluted between blackboard eraser fine hair and the flexible glue skin.
As further improvement of the utility model, blackboard eraser main body and blackboard eraser fine hair be shaped as rectangle.
As further improvement of the utility model, described retention device flexible glue skin is fixed on around the blackboard eraser main body by compressing tablet.
As further improvement of the utility model, described retention device flexible glue skin is fixed on around the blackboard eraser main body with glue.
As further improvement of the utility model, the degree of depth of described groove is 0.5～1.0cm.
As further improvement of the utility model, the width of described groove is preferably 0.8～1.2cm greater than 0.5cm.
As further improvement of the utility model, the length of described groove is identical with the length of blackboard eraser.
The kind of blackboard eraser fine hair of the present utility model is hair system, suede system, sponge system.
The advantage of the utility model dust protected blackboard eraser is, because be provided with flexible glue skin and groove around blackboard eraser, groove provides chalk powder disorderly space, the flexible glue skin then can stop the chalk powder that just will fly up, like this, change common blackboard eraser and caused the disorderly problem of chalk powder.
Description of drawings
Fig. 1 is the upward view of the utility model dust protected blackboard eraser;
Fig. 2 is the side view of the utility model dust protected blackboard eraser;
Fig. 3 is the profile of the utility model dust protected blackboard eraser;
Fig. 4 is the stereogram of the utility model dust protected blackboard eraser.
Drawing explanation: 1. blackboard eraser main body; 2. blackboard eraser fine hair; 3. retention device flexible glue skin; 4. compressing tablet; 5. groove
The specific embodiment
Be further described below in conjunction with accompanying drawing, but be not restriction the utility model.
See figures.1.and.2, embodiment 1 comprises blackboard eraser main body 1, blackboard eraser fine hair 2 and is fixed on retention device flexible glue skin 3 around the blackboard eraser, and the flexible glue skin is fastening by compressing tablet, and compressing tablet is a rectangle, blackboard eraser fine hair and the distance that is fixed between the blackboard eraser rubber all around are 0.8cm, and depth of groove is 0.5cm.
Among the above embodiment, blackboard eraser fine hair and the distance that is fixed between the blackboard eraser rubber all around are to do corresponding the adjustment according to the volume size of blackboard eraser.When using the dust protected blackboard eraser, flat erasing the board, groove provides chalk powder disorderly space, and the flexible glue skin in recessed week of blackboard eraser has stopped the disorderly of chalk powder just.
Occasions such as the utility model suits in the classroom, outdoor, family, dormitory are wiped chalk and are used.
Claims (8)
1. a blackboard eraser comprises blackboard eraser main body (1) and blackboard eraser fine hair (2), it is characterized in that: be provided with retention device flexible glue skin (3) all around in blackboard eraser main body (1), between blackboard eraser fine hair (2) and the flexible glue skin (3) fluted (5).
2. blackboard eraser according to claim 1 is characterized in that: described blackboard eraser main body (1) and blackboard eraser fine hair (2) be shaped as rectangle.
3. blackboard eraser according to claim 1 is characterized in that: described retention device flexible glue skin (3) is fixed on blackboard eraser main body (1) all around by compressing tablet (4).
4. blackboard eraser according to claim 1 is characterized in that: described retention device flexible glue skin (3) is fixed on blackboard eraser main body (1) all around with glue.
5. blackboard eraser according to claim 1 is characterized in that: the degree of depth of described groove (5) is 0.5～1.0cm.
6. blackboard eraser according to claim 1 is characterized in that: the width of described groove (5) is 0.8～1.2cm.
7. blackboard eraser according to claim 1 is characterized in that: the length of described groove (5) is identical with the length of blackboard eraser.
8. blackboard eraser according to claim 1 is characterized in that: the kind of described blackboard eraser fine hair (2) is hair system, suede system, sponge system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205851002U CN201941454U (en) | 2010-10-22 | 2010-10-22 | Dustproof blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205851002U CN201941454U (en) | 2010-10-22 | 2010-10-22 | Dustproof blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201941454U true CN201941454U (en) | 2011-08-24 |
Family
ID=44468806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205851002U Expired - Fee Related CN201941454U (en) | 2010-10-22 | 2010-10-22 | Dustproof blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201941454U (en) |
-
2010
- 2010-10-22 CN CN2010205851002U patent/CN201941454U/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: 20110824 Termination date: 20121022 |