CN200995569Y - Vacuum dust-collecting blackboard sponge - Google Patents
Vacuum dust-collecting blackboard sponge Download PDFInfo
- Publication number
- CN200995569Y CN200995569Y CN 200720033109 CN200720033109U CN200995569Y CN 200995569 Y CN200995569 Y CN 200995569Y CN 200720033109 CN200720033109 CN 200720033109 CN 200720033109 U CN200720033109 U CN 200720033109U CN 200995569 Y CN200995569 Y CN 200995569Y
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- vacuum cleaning
- seal box
- battery
- motor
- 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
A vacuum dust-collection blackboard eraser comprises a brush hair (1) and a blackboard eraser (2), and is characterized in that a seal box is installed in a back of the blackboard eraser (2), and is provided with a battery (4) and an electric motor (5) inside; a vane (6) is installed at a rotating axis of the electric motor.
Description
One, technical field
The utility model relates to a kind of vacuum cleaning blackboard eraser, relates in particular to a kind of vacuum cleaning blackboard eraser that can produce the negative pressure dust suction.
Two, background technology
At present, when erasing the board, tend to chalk dust and fly upward everywhere, this chalk dust can influence into respiratory health, particularly student, have certain side effect.
Three, summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art part, and a kind of vacuum cleaning blackboard eraser that can produce the negative pressure dust suction is provided.
The purpose of this utility model is to realize like this, a kind of vacuum cleaning blackboard eraser, the back of blackboard eraser is equipped with seal box, battery and motor are installed in the seal box, on the turning cylinder of motor fan blade is installed, after the micromotor energising, can makes the fan blade fast rotational, thereby the generation negative pressure is in the dust inspiration seal box when erasing the board.
Four, description of drawings
Below in conjunction with drawings and Examples, further specify the structure and the characteristics of the utility model vacuum cleaning blackboard eraser, in the accompanying drawing:
Fig. 1 is the structure chart of embodiment one of the present utility model.
As shown in Figure 1, in embodiment one of the present utility model, blackboard eraser of vacuum cleaning comprises bristle 1, and is black Plate sassafras 2 is characterized in that, at the back side of described blackboard eraser 2 seal box 3 is installed, seal box 3 interior installations Battery 4 and motor 5 are arranged, fan blade 6 is installed on the turning cylinder of motor 5.
According to the blackboard eraser of vacuum cleaning that the utility model provides, it is characterized in that described bristle 1 is installed in black The front of plate sassafras 2, the pore on bristle 1 limit is connected with seal box 3.
According to the blackboard eraser of vacuum cleaning that the utility model provides, it is characterized in that described motor 5 fixing peaces Be contained in the top of seal box 3, both sides are installed with respectively battery 4.
According to the vacuum cleaning blackboard eraser that the utility model provides, it is characterized in that described blackboard eraser 2, seal box 3, fan blade 6 can be made of various metals or nonmetallic materials.
According to the vacuum cleaning blackboard eraser that the utility model provides, it is characterized in that described battery 4 can be with various low pressure dry cells or rechargeable battery.
Five, the specific embodiment
Implement vacuum cleaning blackboard eraser of the present utility model, use in the time of can erasing the board in school, when needs erase the board, turn on the power switch, the motor drives fan blade rotates, and just can produce negative pressure.Implement the utility model, can effectively prevent flying upward of chalk dust, will choose power of electric motor during making, control the rotating speed of fan blade well, just in time can the inspiration chalk dust with the negative pressure that produces.The utility model is designed to direct current supply, and electricity consumption economizes very much, and health very, and also easily, very practical, effect is fine.
Claims (5)
1, a kind of vacuum cleaning blackboard eraser comprises bristle (1), blackboard eraser (2), it is characterized in that, at the back side of described blackboard eraser (2) seal box (3) is installed, battery (4) and motor (5) are installed in the seal box (3), fan blade (6) is installed on the turning cylinder of motor (5).
2, vacuum cleaning blackboard eraser according to claim 1 is characterized in that described bristle (1) is installed in the front of blackboard eraser (2), and the pore on bristle (1) limit is connected with seal box (3).
3, vacuum cleaning blackboard eraser according to claim 1 is characterized in that described motor (5) is fixedly mounted on the top of seal box (3), and both sides are installed with battery (4) respectively.
4, vacuum cleaning blackboard eraser according to claim 1 is characterized in that described blackboard eraser (2), seal box (3), and fan blade (6) can be made of various metals or nonmetallic materials.
5, vacuum cleaning blackboard eraser according to claim 1 is characterized in that described battery (4) can be with various low pressure dry cells or rechargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720033109 CN200995569Y (en) | 2007-01-01 | 2007-01-01 | Vacuum dust-collecting blackboard sponge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720033109 CN200995569Y (en) | 2007-01-01 | 2007-01-01 | Vacuum dust-collecting blackboard sponge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200995569Y true CN200995569Y (en) | 2007-12-26 |
Family
ID=38993996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720033109 Expired - Fee Related CN200995569Y (en) | 2007-01-01 | 2007-01-01 | Vacuum dust-collecting blackboard sponge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200995569Y (en) |
-
2007
- 2007-01-01 CN CN 200720033109 patent/CN200995569Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |