CN201890052U - Blackboard eraser - Google Patents
Blackboard eraser Download PDFInfo
- Publication number
- CN201890052U CN201890052U CN2010206031142U CN201020603114U CN201890052U CN 201890052 U CN201890052 U CN 201890052U CN 2010206031142 U CN2010206031142 U CN 2010206031142U CN 201020603114 U CN201020603114 U CN 201020603114U CN 201890052 U CN201890052 U CN 201890052U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- brush board
- dust
- brush
- bonnet
- 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
- 239000000428 dust Substances 0.000 claims abstract description 24
- 238000000605 extraction Methods 0.000 abstract 2
- 230000036449 good health Effects 0.000 abstract 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Images
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
A blackboard eraser belongs to teaching tools, and mainly solves the problem of pullution in a classroom caused by chalk dust that flies about. The blackboard eraser comprises a brush and a brush board, and is characterized in that the blackboard eraser further comprises a dust collector and a rear cover; the brush is fixed on the brush board; a dust extraction port is formed in the center of the brush board; the inner part of the dust extraction port is connected with the dust collector; the rear cover is in plug-in connection with the brush board; and a switch and a charging jack are arranged on one side of the rear cover. The blackboard eraser can absorb dust that is generated when a blackboard is erased, is convenient to operate, improves the working and learning environment of teachers and students, protects the good health of the teachers and the students, and keeps the classroom clean and tidy.
Description
Technical field
The utility model relates to a kind of educational aid, specifically a kind of blackboard eraser.
Background technology
The ordinary blackboard eraser that China's teaching is at present generally adopted, when teacher erases the board on class or produce when break, the student on duty erased the board fly upward dust, in air, will be forced to suck human body, severe contamination teaching environment, excessive suction dust can cause sphagitis and various PUD D, brings great infringement in the course of time teachers and students' health.
The utility model content
The purpose of this utility model is to provide a kind of blackboard eraser, and this blackboard eraser can absorb dust, effectively alleviates the phenomenon that chalk powder disorderly flies when erasing the board.
The technical scheme in the invention for solving the technical problem is: a kind of blackboard eraser, comprise hairbrush and brush board, it is characterized in that, also comprise dust catcher and bonnet, described hairbrush is fixed on the brush board, and there is suction port at described brush board center, connects dust catcher in the suction port, described bonnet is plugged on the brush board, and bonnet one side has switch and charging jack.
The beneficial effects of the utility model are: can absorb the dust that produces when erasing the board, and easy to operate, teachers and students' work, academic environment are improved, the protection teachers and students' is healthy, keeps the neat and tidy in classroom.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1 bonnet, 2 hairbrush, 3 suction ports, 4 switches, 5 charging jacks.
The specific embodiment
As shown in Figure 1.A kind of blackboard eraser comprises hairbrush 2 and brush board, also comprises dust catcher and bonnet, described hairbrush 2 is fixed on the brush board, and there is suction port 3 at described brush board center, connects dust catcher in the suction port 3, described bonnet 1 is plugged on the brush board, and bonnet 1 one sides have switch 4 and charging jack 5.
Open the switch 4 of dust catcher when erasing the board; dust catcher is started working, and the dust that produces that erases the board is inhaled in the dust catcher from suction port 3, after use a period of time; when the dust storage chamber in the dust catcher has been expired soon; open bonnet 1, the dust that sucks is cleaned out, cover bonnet 1 and continue to use; it is chargeable when electric weight is not enough; this blackboard eraser effectively prevents dust from flying, and is easy to operate, and the protection teachers and students' is healthy.
Claims (1)
1. a blackboard eraser comprises hairbrush and brush board, it is characterized in that, also comprise dust catcher and bonnet, described hairbrush is fixed on the brush board, and there is suction port at described brush board center, connect dust catcher in the suction port, described bonnet is plugged on the brush board, and bonnet one side has switch and charging jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206031142U CN201890052U (en) | 2010-11-12 | 2010-11-12 | Blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206031142U CN201890052U (en) | 2010-11-12 | 2010-11-12 | Blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201890052U true CN201890052U (en) | 2011-07-06 |
Family
ID=44219528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206031142U Expired - Fee Related CN201890052U (en) | 2010-11-12 | 2010-11-12 | Blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201890052U (en) |
-
2010
- 2010-11-12 CN CN2010206031142U patent/CN201890052U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201890052U (en) | Blackboard eraser | |
| CN202557137U (en) | Dust absorption blackboard eraser with internally-installed fan | |
| CN205523268U (en) | Dust absorption electric blackboard wipe | |
| CN201979965U (en) | Dustproof eraser | |
| CN204567052U (en) | A kind of environment-friendly novel blackboard collecting chalk dust | |
| CN201456824U (en) | Electric dust-suction blackboard eraser | |
| CN202413192U (en) | Environment protection type blackboard eraser | |
| CN201659813U (en) | Dustproof blackboard eraser | |
| CN202641184U (en) | Electric blackboard eraser | |
| CN204820822U (en) | Dustproof blackboard eraser | |
| CN201979964U (en) | Dust removing blackboard eraser | |
| CN201872493U (en) | Dust collection blackboard eraser | |
| CN201856546U (en) | Dust collection blackboard eraser | |
| CN201951113U (en) | Blackboard eraser with dust collector | |
| CN202557135U (en) | Dust-collecting blackboard eraser | |
| CN201249614Y (en) | Blackboard eraser | |
| CN201693942U (en) | Blackboard eraser | |
| CN201863591U (en) | Blackboard eraser capable of collecting chalk dust | |
| CN203142199U (en) | Blackboard eraser | |
| CN200967363Y (en) | Environment protective blackboard brush | |
| CN201907338U (en) | Cordless dust absorption eraser convenient for dust cleaning | |
| CN202623730U (en) | Dust-free blackboard eraser | |
| CN202593109U (en) | Dust absorption blackboard eraser | |
| CN201693940U (en) | Cleaning blackboard eraser | |
| CN202345205U (en) | Dust-absorbing blackboard eraser |
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: 20110706 Termination date: 20111112 |