CN201165148Y - Chalk dust absorbing blackboard eraser - Google Patents
Chalk dust absorbing blackboard eraser Download PDFInfo
- Publication number
- CN201165148Y CN201165148Y CNU2008200173049U CN200820017304U CN201165148Y CN 201165148 Y CN201165148 Y CN 201165148Y CN U2008200173049 U CNU2008200173049 U CN U2008200173049U CN 200820017304 U CN200820017304 U CN 200820017304U CN 201165148 Y CN201165148 Y CN 201165148Y
- Authority
- CN
- China
- Prior art keywords
- blackboard
- dust
- sponge
- rub body
- brush
- 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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a blackboard brush, in particular to a dust-proof blackboard brush which can prevent dust flying. The blackboard brush comprises a brush body and a piece of sponge fixedly connected to one side of the brush body. The utility model is characterized in that the brush body is fixedly connected with a water feeding pipe; one end of the water feeding pipe is communicated with a water tank, while the other end is connected with the sponge; a blowing port is arranged at one side of the brush body; a blower is arranged in the brush body inside the blowing port; the air outlet of the blower is connected to the blowing port. When in use, the dust-proof blackboard brush uses the wet sponge to clean the blackboard so as to effectively suppress dust flying; after cleaning, the blackboard can be dried through the blower, without disturbing the next use.
Description
Technical field
The utility model relates to a kind of blackboard eraser, is a kind of dust-proof blackboard eraser that can prevent that dust from flying upward specifically.
Background technology
Common blackboard eraser is when erasing the board, and chalk dust flies upward everywhere, causes very big environmental pollution, and grievous injury teacher, student's is healthy.
Summary of the invention
The purpose of this utility model provides a kind of dust-proof blackboard eraser that prevents that dust from flying upward.
For achieving the above object, the utility model adopts following technical scheme:
Dust-proof blackboard eraser described in the utility model comprises rub body and is fixedly connected on the sponge of rub body one side that it is characterized in that: be fixedly connected with water-supply-pipe on the rub body, an end of water-supply-pipe is communicated with water tank, and the other end is connected to sponge; One side of rub body also is provided with blowing mouth, is provided with hair-dryer in the rub body of blowing mouth inside, and the air outlet of hair-dryer is connected to blowing mouth.
This dust-proof blackboard eraser with wet sponge brush blackboard, suppresses dust effectively and flies upward when in use, has wiped blackboard and can also dry up blackboard with hair-dryer later, does not hinder next step use.
Description of drawings
Accompanying drawing is the structural representation of an embodiment of the utility model.
The specific embodiment
As shown in drawings, dust-proof blackboard eraser described in the utility model comprises rub body 1 and the sponge 2 that is fixedly connected on rub body 1 one sides.Rub body 1 is hollow square structure, and the lower end of rub body 1 can connect handle 9, with handled easily.Sponge 2 is fixedly connected on the side of square structure, also is fixedly connected with water-supply-pipe 3 on the rub body 1, and an end of water-supply-pipe 3 is communicated with water tank 4, and the other end is connected to sponge 2; The inside of rub body 1 is equipped with hair-dryer, and a side of rub body 1 also is provided with blowing mouth 5, and the air outlet of hair-dryer is connected to blowing mouth 5.Certainly, blowing mouth 5 and sponge 2 can be arranged on the same side of rub body 1 as shown in drawings, also can be arranged on different sides.
When using, water tank 4 height are hung over blackboard 7 tops, this dust-proof blackboard eraser be placed at ordinary times rest stand 8 above, rub body 1 is got final product a little more than water tank 4, like this, the water in the water tank 4 can not flow out.When needs erase the board 7 the time, dust-proof blackboard eraser is taken off from rest stand 8, when the height of rub body 1 is lower than water tank 4, water in the water tank 4 is transported on the sponge 2 by water-supply-pipe 3, sponge is soaked into, at this moment, be used for erasing the board and effectively reduce dust from flying.When erasing the board, open hair-dryer, the wind that blows out from blowing mouth 5 can dry up the moisture content on the blackboard again, does not influence to reuse.
The power supply of hair-dryer can use alternating current, also can use rechargeable battery.When using rechargeable battery, charging socket can be arranged on the rest stand 8, charging electrode be set, like this, when rub body 1 is placed on the rest stand 8, just can finish charging work in the lower end of rub body 1.Circuit structure that this is a part of and frame for movement have a lot of prior aries to use for reference, and are not described in detail in this.
Claims (1)
- Dust-proof blackboard eraser comprises rub body (1) and is fixedly connected on the sponge (2) of rub body (1) one side that it is characterized in that: be fixedly connected with water-supply-pipe (3) on the rub body (1), an end of water-supply-pipe (3) is communicated with water tank (4), and the other end is connected to sponge (2); One side of rub body (1) also is provided with blowing mouth (5), is provided with hair-dryer in the rub body (1) of blowing mouth (5) inside, and the air outlet of hair-dryer is connected to blowing mouth (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200173049U CN201165148Y (en) | 2008-01-30 | 2008-01-30 | Chalk dust absorbing blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200173049U CN201165148Y (en) | 2008-01-30 | 2008-01-30 | Chalk dust absorbing blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201165148Y true CN201165148Y (en) | 2008-12-17 |
Family
ID=40190532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200173049U Expired - Fee Related CN201165148Y (en) | 2008-01-30 | 2008-01-30 | Chalk dust absorbing blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201165148Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103465697A (en) * | 2013-10-10 | 2013-12-25 | 夏烨 | Dustproof quick-dry blackboard eraser |
| CN106827903A (en) * | 2016-12-20 | 2017-06-13 | 许昌学院 | It is a kind of can be with the blackboard eraser of automatic dust removing |
-
2008
- 2008-01-30 CN CNU2008200173049U patent/CN201165148Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103465697A (en) * | 2013-10-10 | 2013-12-25 | 夏烨 | Dustproof quick-dry blackboard eraser |
| CN106827903A (en) * | 2016-12-20 | 2017-06-13 | 许昌学院 | It is a kind of can be with the blackboard eraser of automatic dust removing |
| CN106827903B (en) * | 2016-12-20 | 2018-07-17 | 许昌学院 | It is a kind of can be with the blackboard eraser of automatic dust removing |
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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: 20081217 |