CN102343752A - Dustless blackboard eraser - Google Patents
Dustless blackboard eraser Download PDFInfo
- Publication number
- CN102343752A CN102343752A CN2010102416583A CN201010241658A CN102343752A CN 102343752 A CN102343752 A CN 102343752A CN 2010102416583 A CN2010102416583 A CN 2010102416583A CN 201010241658 A CN201010241658 A CN 201010241658A CN 102343752 A CN102343752 A CN 102343752A
- Authority
- CN
- China
- Prior art keywords
- handle
- dust
- blackboard eraser
- hairbrush
- dust catcher
- 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.)
- Pending
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Abstract
The invention relates to a blackboard eraser, in particular to a dustless blackboard eraser, belonging to a teaching aid. The dustless blackboard eraser comprises a handle and a hairbrush accommodated at one lateral side of the handle. The dustless blackboard eraser is characterized in that a cavity is formed in the handle, dust absorbing holes are formed at the lateral side of the handle where the hairbrush is accommodated; the other lateral side of the handle is a buckle cover, and a dust collector is arranged in the internal side of the buckle cover; and the lateral part of the dust collector is provided with a battery. The blackboard eraser is simple in structure, convenient and practicable and can prevent chalk dust from flying.
Description
(1) technical field
The present invention relates to a kind of blackboard eraser, particularly a kind of dust-free black board eraser.Belong to teaching aid.
(2) background technology
The blackboard eraser that uses now disorderly flies the chalk foam through regular meeting when erasing the board, and influences room air, if also can influence in the suction inlet healthy, the foam of chalk all over the body that the people who erases the board does especially.
(3) summary of the invention
The present invention is in order to remedy the deficiency of prior art, and a kind of dust-free black board eraser of simple in structure, practical and convenient, effective dedusting is provided.
The present invention realizes through following technical scheme:
A kind of dust-free black board eraser comprises that handle and rank put the hairbrush in handle one side, and it is characterized in that: be a cavity in the said handle, the side that handle rank is equipped with hairbrush is provided with air suction opening; The another side of handle is a buckle closure, and the buckle closure inboard is provided with dust catcher; Said dust catcher sidepiece is mounted with battery.
Influence the service life of dust catcher in order to prevent the chalk foam from getting into dust catcher, said dust catcher surface coverage has screen pack; Said handle surface is provided with switch.
The invention has the beneficial effects as follows: simple in structure, easy to use, dust catcher can absorb wipes the chalk foam of falling, and has prevented that effectively the unrest of chalk foam from flying.
(4) description of drawings
Below in conjunction with accompanying drawing the present invention is further described.
Accompanying drawing 1 is a cross-sectional view of the present invention;
Among the figure, 1 handle, 2 hairbrush, 3 cavitys, 4 air suction openings, 5 buckle closures, 6 dust catchers, 7 screen packs, 8 batteries, 9 switches.
(5) specific embodiment
Accompanying drawing is a kind of specific embodiment of the present invention.This embodiment comprises handle 1 and holds in the mouth and put the hairbrush 2 in handle 1 one sides, it is characterized in that: be a cavity 3 in the said handle 1, the side that handle 1 rank is equipped with hairbrush 2 is provided with air suction opening 4; The another side of handle 1 is a buckle closure 5, and buckle closure 5 inboards are provided with dust catcher 6; Said dust catcher 6 sidepieces are mounted with battery 8.Said dust catcher 6 surface coverage have screen pack 7; Said handle 1 surface is provided with switch 9.
Adopt dust-free black board eraser of the present invention, before erasing the board switch 9 is opened, make dust catcher 6 runnings of the inside; Wipe when moving blackboard; The chalk foam that falls down just is drawn into the cavity 3 from air suction opening 4 by dust catcher 6, just can buckle closure 5 be taken when having wiped blackboard, outwells the chalk foam of the inside; The chalk foam is disorderly flown, influenced the air in classroom.
Claims (3)
1. dust-free black board eraser comprises that handle (1) and rank put the hairbrush (2) in handle (1) one side, and it is characterized in that: be a cavity (3) in the said handle (1), the side that handle (1) rank is equipped with hairbrush (2) is provided with air suction opening (4); The another side of handle (1) is a buckle closure (5), and buckle closure (5) inboard is provided with dust catcher (6); Said dust catcher (6) sidepiece is mounted with battery (8).
2. dust-free black board eraser according to claim 1 is characterized in that: said dust catcher (6) surface coverage has screen pack (7).
3. dust-free black board eraser according to claim 1 is characterized in that: said handle (1) surface is provided with switch (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102416583A CN102343752A (en) | 2010-08-02 | 2010-08-02 | Dustless blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102416583A CN102343752A (en) | 2010-08-02 | 2010-08-02 | Dustless blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102343752A true CN102343752A (en) | 2012-02-08 |
Family
ID=45542974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102416583A Pending CN102343752A (en) | 2010-08-02 | 2010-08-02 | Dustless blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102343752A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107499029A (en) * | 2017-07-19 | 2017-12-22 | 安徽卓特信息技术有限公司 | A kind of blackboard convenient for cleaning |
| CN111251756A (en) * | 2020-01-22 | 2020-06-09 | 山东理工职业学院 | Multifunctional dust-free blackboard eraser |
-
2010
- 2010-08-02 CN CN2010102416583A patent/CN102343752A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107499029A (en) * | 2017-07-19 | 2017-12-22 | 安徽卓特信息技术有限公司 | A kind of blackboard convenient for cleaning |
| CN111251756A (en) * | 2020-01-22 | 2020-06-09 | 山东理工职业学院 | Multifunctional dust-free blackboard eraser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120208 |
|
| WD01 | Invention patent application deemed withdrawn after publication |