CN203110724U - Powder-absorbable blackboard eraser - Google Patents
Powder-absorbable blackboard eraser Download PDFInfo
- Publication number
- CN203110724U CN203110724U CN 201220733500 CN201220733500U CN203110724U CN 203110724 U CN203110724 U CN 203110724U CN 201220733500 CN201220733500 CN 201220733500 CN 201220733500 U CN201220733500 U CN 201220733500U CN 203110724 U CN203110724 U CN 203110724U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- brush board
- brush plate
- suction
- water
- 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 discloses a powder-absorbable blackboard eraser, comprising a brush plate, suction holes, water-spouts and buttons, wherein the brush plate is strip-shaped; brush hairs are arranged on the bottom surface of the brush plate; the buttons are arranged on the side face of the brush plate; the suction holes are arranged on the two sides of the brush plate and are connected with a suction device inside the brush plate; the water-spouts are arranged on the middles of the two sides of the brush plate and are connected with a water injector inside the brush plate; and the buttons are operation control buttons which are used for controlling the suction device and the water injector to work. The powder-absorbable blackboard eraser is an efficient and clean tool for wiping a blackboard.
Description
Technical field
The utility model relates to a kind of teaching aid, particularly relates to the last blackboard eraser of a kind of suction.
Background technology
School board the time, teacher need often erase the board, and uses common blackboard eraser to erase the board, and not only wastes time and energy, and can produce a large amount of dust that flies upward, and pollutes the air in the classroom, impairs the healthy of teachers and students.
Summary of the invention
In order to address the above problem, the purpose of this utility model is to provide a kind of suction last blackboard eraser.
In order to achieve the above object, the suction end blackboard eraser that provides of the utility model comprises: brush board, suction hole, hole for water spraying and button; Wherein: brush board is the strip brush board, and its bottom surface is provided with bristle, and the side is provided with button; Suction hole is arranged on the both sides of brush board both sides, and its getter device with brush board inside is connected; Hole for water spraying is arranged on the middle part of brush board both sides, and its water injector with brush board inside is connected; Button is used for control getter device and water injector work for operation control button.
The inside of described brush board is equipped with battery, is used to the power supply of getter device and water injector.
Suction that the utility model provides end blackboard eraser when being provided with bristle and erasing the board, can be pressed button and start getter device and water injector in use, and water injector can be sprayed water to blackboard surface by hole for water spraying; Getter device can absorb dust by suction hole; Erasing the board like this can be while wiping, sprays water, absorb on one side dust, and both convenient power-savings is by not causing flying upward of chalk powder.
The suction end blackboard eraser that the utility model provides is the instrument that erases the board of a high effect cleaning.
Description of drawings
Fig. 1 forms schematic diagram for the suction end blackboard eraser that the utility model provides.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the suction end blackboard eraser that the utility model provides is elaborated.
As shown in Figure 1, the suction end blackboard eraser that provides of the utility model comprises: brush board 1, suction hole 2, hole for water spraying 3 and button 4; Wherein: brush board 1 is the strip brush board, and its bottom surface is provided with bristle, and the side is provided with button 4; Suction hole 2 is arranged on the both sides of brush board 1 both sides, and its getter device with brush board 1 inside is connected; Hole for water spraying 3 is arranged on the middle part of brush board 1 both sides, and its water injector with brush board 1 inside is connected; Button 4 is used for control getter device and water injector work for operation control button.
The inside of described brush board 1 is equipped with battery, is used to the power supply of getter device and water injector.
The suction end blackboard eraser that the utility model provides when using bristle to erase the board, can be pressed button 4 and start getter device and water injector in use, and water injector can be sprayed water to blackboard surface by hole for water spraying 3; Getter device can absorb dust by suction hole 2; Erasing the board like this can be while wiping, sprays water, absorbing dust on one side, and both convenient power-saving can not cause flying upward of chalk powder yet.
The suction end blackboard eraser that the utility model provides is the instrument that erases the board of a high effect cleaning.
Claims (2)
1. inhale last blackboard eraser for one kind, it is characterized in that: the last blackboard eraser of described suction comprises: brush board (1), suction hole (2), hole for water spraying (3) and button (4); Wherein: brush board (1) is the strip brush board, and its bottom surface is provided with bristle, and the side is provided with button (4); Suction hole (2) is arranged on the both sides of brush board (1) both sides, and its getter device with brush board (1) inside is connected; Hole for water spraying (3) is arranged on the middle part of brush board (1) both sides, and its water injector with brush board (1) inside is connected; Button (4) is operation control button.
2. the last blackboard eraser of suction according to claim 1, it is characterized in that: the inside of described brush board (1) is equipped with battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220733500 CN203110724U (en) | 2012-12-28 | 2012-12-28 | Powder-absorbable blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220733500 CN203110724U (en) | 2012-12-28 | 2012-12-28 | Powder-absorbable blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203110724U true CN203110724U (en) | 2013-08-07 |
Family
ID=48891100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220733500 Expired - Fee Related CN203110724U (en) | 2012-12-28 | 2012-12-28 | Powder-absorbable blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203110724U (en) |
-
2012
- 2012-12-28 CN CN 201220733500 patent/CN203110724U/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: 20130807 Termination date: 20131228 |