CN201922802U - Blackboard eraser capable of absorbing chalk dust - Google Patents
Blackboard eraser capable of absorbing chalk dust Download PDFInfo
- Publication number
- CN201922802U CN201922802U CN2011200395883U CN201120039588U CN201922802U CN 201922802 U CN201922802 U CN 201922802U CN 2011200395883 U CN2011200395883 U CN 2011200395883U CN 201120039588 U CN201120039588 U CN 201120039588U CN 201922802 U CN201922802 U CN 201922802U
- Authority
- CN
- China
- Prior art keywords
- chalk dust
- blackboard eraser
- dust
- absorbing fan
- panel
- 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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Abstract
The utility model relates to a blackboard eraser capable of absorbing chalk dust, which comprises the blackboard eraser. A sponge is arranged on the upper surface of a panel of the blackboard eraser, a chalk dust absorbing fan is arranged on the panel, a chalk dust collecting box is arranged below the chalk dust absorbing fan, a plurality of air vents are uniformly arranged on the sponge, a power supply is arranged in the panel, and a switch used for controlling the positive/negative rotation of the chalk dust absorbing fan is arranged on a side wall of the panel. When the blackboard eraser is used, only the switch used for controlling the chalk dust absorbing fan is needed to be turned on so as to ensure erased chalk dust to be absorbed into the chalk dust collecting box through the suction of air and to ensure the chalk dust in a chalk dust collecting drawer to be cleaned at once; therefore, the blackboard eraser plays a certain role on the hygiene of a teacher and the body health of students; moreover, the reverse rotation switch of the chalk dust absorbing fan is turned on to blow out the chalk dust in the sponge and the air vents, thereby being convenient for use next time.
Description
Technical field
The utility model relates to a kind of blackboard eraser, has a kind of dust-sucking eraser of pick-up performance specifically, belongs to the teaching aid field.
Background technology
Blackboard eraser is one of realia indispensable in the classroom, teacher writes on black and white with chalk, need use blackboard eraser and remove the marking of staying on the blackboard of writing, but existing blackboard eraser is exactly common hairbrush, utilize friction that the chalk marking that book writes on the blackboard is swept down, the granule dust that will make flies upward everywhere like this, and not only bad for the maintenance of health, the chalk particle sucks the damage that human body also can cause health.
The utility model content
Technical problem to be solved in the utility model provides a kind of dust-sucking eraser, can be effectively with the following minute dust collection of blackboard eraser cleaning.
For addressing the above problem, the utility model by the following technical solutions:
A kind of dust-sucking eraser comprises blackboard eraser, and the panel upper surface of described blackboard eraser is provided with sponge, it is characterized in that: described panel is provided with dust-absorbing fan, and the laying dust box of dust-absorbing fan below is arranged with several air vents uniformly on the described sponge.
Below be further improvement of these options:
Be provided with power supply in the described panel, the sidewall of described panel is provided with the switch that is used for controlling the dust-absorbing fan rotating.
The utility model compared with prior art; have following characteristics: simple in structure; easy to use, only need during use the gauge tap of dust-absorbing fan to be opened the suction of the wind of utilization; be drawn onto in the laying dust box sweeping the dust that falls; rubbish in the disposable then cleaning laying dust drawer gets final product, and teacher's health and student healthy all played the certain protection effect, opens the reversal switch of dust-absorbing fan again; the dust of sponge and air vent thereof is blown out, and use convenient next time.
The utility model is described in further detail below in conjunction with drawings and Examples:
Description of drawings
Accompanying drawing 1 is the structural representation of dust-sucking eraser among the utility model embodiment;
Accompanying drawing 2 is the structural representation of dust-absorbing fan among the utility model embodiment
Among the figure:
The 1-panel, 2-sponge, 3-air vent, 4-laying dust box, 5-dust-absorbing fan, 6-switch.
The specific embodiment
Embodiment, as shown in Figure 1 and Figure 2, a kind of dust-sucking eraser, comprise blackboard eraser, panel 1 upper surface of described blackboard eraser is provided with sponge 2, it is characterized in that: described panel 1 is provided with dust-absorbing fan 5, the laying dust box 4 of dust-absorbing fan 5 belows, be arranged with several air vents 3 on the described sponge 2 uniformly, be provided with power supply in the described panel 1, the sidewall of described panel 1 is provided with the switch 6 that is used for controlling dust-absorbing fan 5 rotatings.
During use, use the blackboard eraser blackboard wiping, the positive turn-off of opening dust-absorbing fan 5 closes, dust under wiping is drawn onto in the laying dust box 4 by air vent 3, after having wiped blackboard, laying dust box 4 is cleaned out, open the reversal switch of dust-absorbing fan 5 again, the dust of sponge 2 and air vent 3 thereof is blown out, use convenient next time.
Claims (2)
1. dust-sucking eraser, comprise blackboard eraser, the panel of described blackboard eraser (1) upper surface is provided with sponge (2), it is characterized in that: described panel (1) is provided with dust-absorbing fan (5), the laying dust box (4) of dust-absorbing fan (5) below is arranged with several air vents (3) uniformly on the described sponge (2).
2. a kind of dust-sucking eraser according to claim 1 is characterized in that: described panel is provided with power supply in (1), and the sidewall of described panel (1) is provided with the switch (6) that is used for controlling dust-absorbing fan (5) rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200395883U CN201922802U (en) | 2011-02-16 | 2011-02-16 | Blackboard eraser capable of absorbing chalk dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200395883U CN201922802U (en) | 2011-02-16 | 2011-02-16 | Blackboard eraser capable of absorbing chalk dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201922802U true CN201922802U (en) | 2011-08-10 |
Family
ID=44426670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200395883U Expired - Fee Related CN201922802U (en) | 2011-02-16 | 2011-02-16 | Blackboard eraser capable of absorbing chalk dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201922802U (en) |
-
2011
- 2011-02-16 CN CN2011200395883U patent/CN201922802U/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: 20110810 Termination date: 20120216 |