CN201833781U - Dust-free blackboard eraser - Google Patents
Dust-free blackboard eraser Download PDFInfo
- Publication number
- CN201833781U CN201833781U CN2010205812845U CN201020581284U CN201833781U CN 201833781 U CN201833781 U CN 201833781U CN 2010205812845 U CN2010205812845 U CN 2010205812845U CN 201020581284 U CN201020581284 U CN 201020581284U CN 201833781 U CN201833781 U CN 201833781U
- Authority
- CN
- China
- Prior art keywords
- dust
- blackboard eraser
- shell
- housing
- battery
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a dust-free blackboard eraser, which comprises a blackboard eraser. The blackboard eraser is provided with a shell; the shell is provided with a dust suction opening; a miniature suction blower connected with a dust suction pipe is arranged in the shell; the miniature suction blower is respectively connected with a battery and a control switch; the battery is arranged in the shell; the control switch is arranged on the shell; and the control switch is connected with the battery. The shell is arranged on the blackboard eraser; the shell is provided with the dust suction opening; when the control switch is turned on, the suction blower beings working; dust is sucked in the suction blower through the dust suction opening; and the suction blower gathers the sucked dust in the dust suction pipe, thereby preventing the dust from flying everywhere. The dust-free blackboard eraser can absorb the dust, prevents the dust from flying, brings a clean environment to people, and reduces the damage to the health of bodies of teachers and students.
Description
Technical field
The utility model relates to a kind of dust-free black board eraser.
Background technology
In each universities, middle and primary schools, many times teacher still needs to write on blackboard with chalk at present, always erases the board with present blackboard eraser that dust rises from all around, and has a strong impact on the healthy of teacher and classmates.
The utility model content
For remedying the deficiencies in the prior art, the utility model provides a kind of dust-free black board eraser.
For achieving the above object, the utility model adopts following technical scheme:
A kind of dust-free black board eraser, it comprises blackboard eraser, on blackboard eraser, be provided with housing, housing is provided with suction port, be provided with the small-sized induced-draught fan that is connected with sweep-up pipe in the housing, small-sized induced-draught fan is connected with gauge tap with battery respectively, and battery is located in the housing, gauge tap is located on the housing, and gauge tap connects battery.
Be provided with housing above the dust-free black board eraser, housing is provided with suction port, opens gauge tap, and induced-draught fan is started working, and dust is sucked into induced-draught fan by suction port, and induced-draught fan in sweep-up pipe, has avoided dust to disperse everywhere the dust accumulation of inspiration.
Beneficial effect: the utility model can absorb dust, prevents that dust from dispersing, and gives clean environment of people, reduces the injury healthy to the academics and students.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Wherein: 1 housing, 2 blackboard erasers, 3 small-sized induced-draught fans, 4 suction ports, 5 gauge taps, 6 batteries, 7 sweep-up pipes.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1, a kind of dust-free black board eraser, it comprises blackboard eraser 2, be provided with housing 1 on blackboard eraser 2, housing 1 is provided with suction port 4, is provided with the small-sized induced-draught fan 3 that is connected with sweep-up pipe 7 in the housing 1, small-sized induced-draught fan 3 is connected with gauge tap 5 with battery 6 respectively, battery 6 is located in the housing 1, and gauge tap 5 is located on the housing 1, and gauge tap 5 connects battery 6.
Be provided with housing 1 above the dust-free black board eraser, housing 1 is provided with suction port 4, when erasing the board, open gauge tap 5, induced-draught fan is started working, and dust is sucked into induced-draught fan by suction port 4, induced-draught fan in sweep-up pipe 7, has avoided dust to disperse everywhere the dust accumulation of inspiration.
The utility model can absorb dust, prevents that dust from dispersing, and gives clean environment of people, reduces the injury healthy to the academics and students.
Claims (1)
1. dust-free black board eraser, it comprises blackboard eraser, it is characterized in that, be provided with housing on blackboard eraser, housing is provided with suction port, is provided with the small-sized induced-draught fan that is connected with sweep-up pipe in the housing, small-sized induced-draught fan is connected with gauge tap with battery respectively, battery is located in the housing, and gauge tap is located on the housing, and gauge tap connects battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205812845U CN201833781U (en) | 2010-10-28 | 2010-10-28 | Dust-free blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205812845U CN201833781U (en) | 2010-10-28 | 2010-10-28 | Dust-free blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201833781U true CN201833781U (en) | 2011-05-18 |
Family
ID=44003878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205812845U Expired - Fee Related CN201833781U (en) | 2010-10-28 | 2010-10-28 | Dust-free blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201833781U (en) |
-
2010
- 2010-10-28 CN CN2010205812845U patent/CN201833781U/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: 20110518 Termination date: 20111028 |