CN205033817U - Electric dust -removing blackboard eraser - Google Patents
Electric dust -removing blackboard eraser Download PDFInfo
- Publication number
- CN205033817U CN205033817U CN201520747152.8U CN201520747152U CN205033817U CN 205033817 U CN205033817 U CN 205033817U CN 201520747152 U CN201520747152 U CN 201520747152U CN 205033817 U CN205033817 U CN 205033817U
- Authority
- CN
- China
- Prior art keywords
- dust
- air suction
- battery
- blackboard eraser
- storage chamber
- 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
Abstract
The utility model discloses an electric dust -removing blackboard eraser, including casing, brush portion and dust absorption portion, it still is provided with the dirt portion that stores up, dust absorption portion include a plurality of air suction openings, negative pressure fan and drive the battery of negative pressure fan, casing and brush portion between to be provided with the shaped as frame that surrounds brush portion regional, the shaped as frame region in be provided with a plurality of air suction openings, negative pressure fan and battery be located the casing cavity, storage dirt portion including the storage dirt room of accomodating the dust and the dust board that blocks that the dust in storing up the dirt room drops from the air suction opening, storage dirt room be located the casing cavity, the dust board be located the shaped as frame regional with storage dirt room between, casing and dust board between have the air and get into the runner that stores up the dirt room from the air suction opening. The utility model discloses electric dust -removing blackboard eraser adopts such structure, convenient to use, and the dust flies upward in the time of can not only preventing to black the board, can guarantee moreover that the phenomenon of avoiding the dust to drop in the use takes place.
Description
Technical field
The utility model relates to teaching aid, particularly relates to a kind of electrical dust-removing blackboard eraser.
Background technology
Blackboard eraser, as important teaching aid, is widely used in, among teaching, serving as the role of wiping chalk word.But emerge blackboard eraser at present when erasing the board, a large amount of dust of kicking up.Not only can cause air pollution, and these dust are as easy as rolling off a log is sucked by human body, serious harm caused to the lung, the upper respiratory tract, eyes, skin etc. of human body, especially affects and disturb normal work and the life of teacher, reduce efficiency of attending class.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of electrical dust-removing blackboard eraser, dust from flying when this kind of electrical dust-removing blackboard eraser can not only prevent from erasing the board, and can ensure to avoid dust to drop in use procedure.
Solve this technical problem, the technical solution of the utility model is: a kind of electrical dust-removing blackboard eraser, comprise housing, hairbrush portion and dust collecting port, it is also provided with storage dirt portion, described dust collecting port comprises multiple air suction opening, the battery of negative pressure fan and drive negative pressure fan, the blocked areas of surrounding hairbrush portion is provided with between described housing and hairbrush portion, described multiple air suction openings are provided with in described blocked areas, described negative pressure fan and battery are positioned at housing hollow, described storage dirt portion comprises the dust-storage chamber of storage dust and stops the dust board that the dust in dust-storage chamber drops from air suction opening, described dust-storage chamber is positioned at housing hollow, described dust board is between blocked areas and dust-storage chamber, there is between described housing and dust board air enters dust-storage chamber runner from air suction opening.
Described battery is lithium battery, described housing is arranged the charging hole of promising battery charging.
Battery installation place on described housing is provided with louvre.
Described dust-storage chamber is drawer-type structure.
The utility model electrical dust-removing blackboard eraser adopts such structure, easy to use, dust from flying when can not only prevent from erasing the board, and can ensure to avoid dust to drop in use procedure.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model electrical dust-removing blackboard eraser is described in further detail;
Fig. 1 is the utility model electrical dust-removing blackboard eraser structural representation;
Fig. 2 is the A-A cross-sectional schematic shown in Fig. 1;
In Fig. 1, Fig. 2,1, housing; 2, air suction opening; 3, blocked areas; 4, hairbrush portion; 5, screen pack; 6, negative pressure fan; 7, battery; 8, dust-storage chamber; 9, dust board.
Detailed description of the invention
As shown in Figure 1 and Figure 2, electrical dust-removing blackboard eraser comprises housing 1, hairbrush portion 4, dust collecting port and storage dirt portion, dust collecting port comprises multiple air suction opening 2, negative pressure fan 6 and drives the battery 7 of negative pressure fan 6, battery 7 adopts lithium battery, housing 1 has the charging hole for battery 7 charges, battery installation place on housing 1 is provided with louvre, and housing 1 has switch, controls fan and opens and stop.There is between housing 1 and hairbrush portion 4 blocked areas 3 of surrounding hairbrush portion 4, there is in blocked areas 3 multiple air suction opening 2, negative pressure fan 6 and battery 7 are positioned at housing hollow, storage dirt portion comprises the dust-storage chamber 8 of storage dust and stops the dust board 9 that the dust in dust-storage chamber 8 drops from air suction opening 2, dust-storage chamber 8 is positioned at housing hollow, dust-storage chamber 8 is drawer-type structure, top has screen pack 5, dust board 9, between blocked areas 2 and dust-storage chamber 8, has air enters dust-storage chamber 8 passage from air suction opening 2 between housing 1 and dust board 9.The length of electrical dust-removing blackboard eraser is 11CM, and wide is 6CM, and height is 6CM, and dust-storage chamber's volume is about 200 cubic centimetres,
The utility model only need open the shift knob on housing in use, and ensure dust exhaust apparatus work, then blackboard wiping can remove dust.Easy to operate, be convenient to promote the use of; Dust-storage chamber's volume is comparatively large, can the chalk dust of laying dust 50 chalks, can clear up dust-storage chamber frequently; Dust-storage chamber is drawer-type structure, can freely take out, easy to use; Dust board is utilized to prevent the situation revealing dust when blackboard eraser handstand or slant setting from occurring; The shape that shape and traditional blackboard are wiped is more or less the same, and meets the custom of most of user.
Claims (4)
1. an electrical dust-removing blackboard eraser, comprise housing, hairbrush portion and dust collecting port, it is characterized in that: it is also provided with storage dirt portion, described dust collecting port comprises multiple air suction opening, the battery of negative pressure fan and drive negative pressure fan, the blocked areas of surrounding hairbrush portion is provided with between described housing and hairbrush portion, described multiple air suction openings are provided with in described blocked areas, described negative pressure fan and battery are positioned at housing hollow, described storage dirt portion comprises the dust-storage chamber of storage dust and stops the dust board that the dust in dust-storage chamber drops from air suction opening, described dust-storage chamber is positioned at housing hollow, described dust board is between blocked areas and dust-storage chamber, there is between described housing and dust board air enters dust-storage chamber runner from air suction opening.
2. electrical dust-removing blackboard eraser according to claim 1, is characterized in that: described battery is lithium battery, described housing is arranged the charging hole of promising battery charging.
3. electrical dust-removing blackboard eraser according to claim 2, is characterized in that: the battery installation place on described housing is provided with louvre.
4. the electrical dust-removing blackboard eraser according to claim 1 or 2 or 3, is characterized in that: described dust-storage chamber is drawer-type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520747152.8U CN205033817U (en) | 2015-09-24 | 2015-09-24 | Electric dust -removing blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520747152.8U CN205033817U (en) | 2015-09-24 | 2015-09-24 | Electric dust -removing blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205033817U true CN205033817U (en) | 2016-02-17 |
Family
ID=55292743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520747152.8U Expired - Fee Related CN205033817U (en) | 2015-09-24 | 2015-09-24 | Electric dust -removing blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205033817U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856927A (en) * | 2016-06-06 | 2016-08-17 | 江苏建筑职业技术学院 | Dust collection erasing board and using method |
| CN108528112A (en) * | 2018-05-18 | 2018-09-14 | 祝贺 | A kind of anti-flying dust blackboard eraser |
-
2015
- 2015-09-24 CN CN201520747152.8U patent/CN205033817U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856927A (en) * | 2016-06-06 | 2016-08-17 | 江苏建筑职业技术学院 | Dust collection erasing board and using method |
| CN105856927B (en) * | 2016-06-06 | 2017-09-22 | 江苏建筑职业技术学院 | Dust absorbing eraser letter stencil and application method |
| CN108528112A (en) * | 2018-05-18 | 2018-09-14 | 祝贺 | A kind of anti-flying dust blackboard eraser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20180924 |