CN203093528U - Dust-absorption blackboard eraser - Google Patents
Dust-absorption blackboard eraser Download PDFInfo
- Publication number
- CN203093528U CN203093528U CN 201220703602 CN201220703602U CN203093528U CN 203093528 U CN203093528 U CN 203093528U CN 201220703602 CN201220703602 CN 201220703602 CN 201220703602 U CN201220703602 U CN 201220703602U CN 203093528 U CN203093528 U CN 203093528U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- dust
- chalk
- absorption blackboard
- bristle
- 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
Links
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 12
- 239000000428 dust Substances 0.000 claims description 8
- 229920001195 polyisoprene Polymers 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 description 1
Abstract
A dust-absorption blackboard eraser comprises a rectangular chalk-brush bristle fixing seat (1) and bristles (2). The dust-absorption blackboard eraser is characterized in that the chalk-brush bristles fixing seat (1) is provided with an inner empty cavity communicated with an elastic rubber handle (4), a hollow-out hand hole (3) is arranged between the elastic rubber handle (4) and the chalk-brush bristles fixing seat (1), and a plurality of tiny holes are reserved on a joint surface of the bristle (2) and the chalk-brush bristle fixing seat (1). The dust-absorption blackboard eraser has the advantages that by the adoption of an autchalk with a refill replaced conveniently, users do not need to spend time replacing the refill once again, instead, the users just need to rotate a chalk tail to have the refill replaced conveniently, so that the dust-absorption blackboard eraser is practical, convenient to use, and time-saving.
Description
Technical field
The utility model relates to the daily living article field, a kind of specifically dust absorption blackboard eraser.
Background technology
Now in the education and instruction, blackboard, chalk, blackboard eraser etc. are a kind of very important educational aids, though multimedia is popularized gradually, but traditional blackboard still has its advantage that is difficult to substitute, but traditional blackboard writing on the blackboard is write, and all can produce a large amount of chalk dusts when cleaning blackboard, both influence environmental sanitation, also be unfavorable for teachers and students' health.
Summary of the invention
The purpose of this utility model is a kind of dust absorption blackboard eraser of design.
The utility model dust absorption blackboard eraser, comprise: cuboid chalkboard eraser bristle holder 1, bristle 2, the inside that it is characterized in that above-mentioned chalkboard eraser bristle holder 1 is a cavity, cavity is communicated with elastic caoutchouc handle 4, design has a hollow out hand hole 3 between elastic caoutchouc handle and bristle holder, and designing on bristle 2 and the face that the bristle holder is connected has a lot of apertures.
The advantage of starting writing certainly that the utility model conveniently changes core is: that adopts this structure conveniently changes starting writing certainly of core, we just once more spended time change pen core, simple in structure, only need a rotation tail, just can change pen core very easily, practical and convenient, can save time.
Description of drawings
Fig. 1 is the structural representation of the utility model dust absorption blackboard eraser.
The specific embodiment
According to shown in Figure 1, a kind of dust absorption blackboard eraser, comprise: cuboid chalkboard eraser bristle holder 1, bristle 2, the inside that it is characterized in that above-mentioned chalkboard eraser bristle holder 1 is a cavity, cavity is communicated with elastic caoutchouc handle 4, elastic caoutchouc handle inside also is cavity, can compress and absorb air and enter cavity, design has hollow out hand hole 3 between elastic caoutchouc handle and bristle holder, and designing on bristle 2 and the face that the bristle holder is connected has a lot of apertures, when erasing the board, handle 4 is subjected to force compresses, thereby the chalk dust that will just occur sucks base cavity pocket at once from aperture, in order to avoid disperse.
Claims (1)
1. dust absorption blackboard eraser, comprise: cuboid chalkboard eraser bristle holder (1), bristle (2), the inside that it is characterized in that above-mentioned chalkboard eraser bristle holder (1) is a cavity, cavity is communicated with elastic caoutchouc handle (4), design has a hollow out hand hole (3) between elastic caoutchouc handle and bristle holder, and designing on bristle (2) and the face that the bristle holder is connected has a lot of apertures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220703602 CN203093528U (en) | 2012-12-19 | 2012-12-19 | Dust-absorption blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220703602 CN203093528U (en) | 2012-12-19 | 2012-12-19 | Dust-absorption blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203093528U true CN203093528U (en) | 2013-07-31 |
Family
ID=48844959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220703602 Expired - Fee Related CN203093528U (en) | 2012-12-19 | 2012-12-19 | Dust-absorption blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203093528U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107097570A (en) * | 2017-05-20 | 2017-08-29 | 李阳光 | Capsule dust self-sucking formula blackboard eraser |
-
2012
- 2012-12-19 CN CN 201220703602 patent/CN203093528U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107097570A (en) * | 2017-05-20 | 2017-08-29 | 李阳光 | Capsule dust self-sucking formula blackboard eraser |
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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: 20130731 Termination date: 20131219 |