CN202357738U - Novel blackboard brush - Google Patents
Novel blackboard brush Download PDFInfo
- Publication number
- CN202357738U CN202357738U CN2011204275819U CN201120427581U CN202357738U CN 202357738 U CN202357738 U CN 202357738U CN 2011204275819 U CN2011204275819 U CN 2011204275819U CN 201120427581 U CN201120427581 U CN 201120427581U CN 202357738 U CN202357738 U CN 202357738U
- Authority
- CN
- China
- Prior art keywords
- chalk dust
- shell
- motor
- exhaust port
- exhaust outlet
- 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 novel blackboard brush. The blackboard brush comprises a shell, a sponge body, an exhaust port, an exhaust port motor, an air suction port, an air suction port motor and a chalk dust storing box, wherein the sponge body is arranged on one surface of the shell, the chalk dust storing box is arranged on one surface of the shell, the exhaust port and the exhaust port motor are arranged in one side of the shell, a filter screen is arranged in the exhaust port, and the air suction port and the air suction port motor are arranged in the other side of the shell. When the blackboard brush is used for wiping a blackboard, the motor rotates, the chalk dust enters the chalk dust storing box from the sponge body and the air suction port due to the pulling force of the exhaust port, the filter screen of the exhaust port prevents the chalk dust from flying to the outside, and after a period of time, the chalk dust storing box is disassembled and the chalk dust is poured, so that the chalk dust is prevented from flying, and further the air in a classroom is fresh.
Description
Technical field
The utility model relates to a kind of novel blackboard eraser.
Background technology
When erasing the board, chalk dust flies upward everywhere, and teachers and students receive the puzzlement of chalk dust, and the time has been grown, and influences the healthy of teachers and students.
Summary of the invention
The utility model technical problem to be solved is, overcomes the shortcoming that prior art exists, and a kind of novel blackboard eraser is provided, and reduces flying upward of chalk dust, reaches the fresh purpose of classroom air.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of novel blackboard eraser is characterized in that; Comprise shell, cavernous body, exhaust outlet, exhaust outlet motor, air entry, air entry motor and chalk dust Storage Box; One side at shell is provided with cavernous body, is provided with the chalk dust Storage Box in the one side of shell, in a side of shell, is provided with exhaust outlet and exhaust outlet motor; In exhaust outlet, be provided with filter screen, in the opposite side of shell, be provided with air entry and air entry motor.
The beneficial effect of the utility model is: when blackboard wiping, motor rotates, the draft of exhaust outlet; Make chalk dust get into the chalk dust Storage Box from cavernous body and air entry; The filter screen of exhaust outlet stops chalk dust to be raised outward, after a period of time, the chalk dust Storage Box is pulled down outwell chalk dust; Reduce flying upward of chalk dust, make the classroom air fresh.
Description of drawings
Fig. 1 is the novel blackboard eraser sketch map.
Among the figure:
1 shell, 2 cavernous bodies
3 exhaust outlets, 4 exhaust outlet motors
5 air entries, 6 air entry motors
7 chalk dust Storage Boxes
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further explain: novel blackboard eraser; As shown in the figure, comprise shell, cavernous body, exhaust outlet, exhaust outlet motor, air entry, air entry motor and chalk dust Storage Box, be provided with cavernous body in the one side of shell; One side at shell is provided with the chalk dust Storage Box; In a side of shell, be provided with exhaust outlet and exhaust outlet motor, in exhaust outlet, be provided with filter screen, in the opposite side of shell, be provided with air entry and air entry motor.
Adopt the utility model, when blackboard wiping, motor rotates; The draft of exhaust outlet makes chalk dust get into the chalk dust Storage Box from cavernous body and air entry, and the filter screen of exhaust outlet stops chalk dust to be raised outward; After a period of time; The chalk dust Storage Box pulled down outwell chalk dust, reduce flying upward of chalk dust, make the classroom air fresh.
Claims (1)
1. novel blackboard eraser; It is characterized in that, comprise shell, cavernous body, exhaust outlet, exhaust outlet motor, air entry, air entry motor and chalk dust Storage Box, be provided with cavernous body in the one side of shell; One side at shell is provided with the chalk dust Storage Box; In a side of shell, be provided with exhaust outlet and exhaust outlet motor, in exhaust outlet, be provided with filter screen, in the opposite side of shell, be provided with air entry and air entry motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204275819U CN202357738U (en) | 2011-11-02 | 2011-11-02 | Novel blackboard brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204275819U CN202357738U (en) | 2011-11-02 | 2011-11-02 | Novel blackboard brush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202357738U true CN202357738U (en) | 2012-08-01 |
Family
ID=46568948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204275819U Expired - Fee Related CN202357738U (en) | 2011-11-02 | 2011-11-02 | Novel blackboard brush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202357738U (en) |
-
2011
- 2011-11-02 CN CN2011204275819U patent/CN202357738U/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: 20120801 Termination date: 20121102 |