CN203142197U - Dust-sucking blackboard eraser - Google Patents
Dust-sucking blackboard eraser Download PDFInfo
- Publication number
- CN203142197U CN203142197U CN 201320094572 CN201320094572U CN203142197U CN 203142197 U CN203142197 U CN 203142197U CN 201320094572 CN201320094572 CN 201320094572 CN 201320094572 U CN201320094572 U CN 201320094572U CN 203142197 U CN203142197 U CN 203142197U
- Authority
- CN
- China
- Prior art keywords
- dust
- shell
- blackboard eraser
- suction fan
- housing
- 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-sucking blackboard eraser, which comprises a shell, both ends of the shell are open, a roller is arranged on one end of the shell, a cover is movably connected with the other end of the shell, the roller is provided with blackboard eraser bristle, a suction fan, a power supply and a switch are arranged in the shell, the air inlet of the suction fan is provided with an air intake trough, which corresponds to the blackboard eraser bristle, the air outlet of the suction fan is provided with a dust-collecting bag, and one side of the shell is provided with an exhaust hole. In the process of wiping, the roller rolls, dust drops into the shell, meanwhile, the suction fan operates, negative pressure is generated at the air inlet, so that the dust remaining on the blackboard eraser bristle is sucked away and sent into the dust-collecting bag, the dust stays in the dust-collecting bag, the clean air is exhausted, and therefore the physical and mental health of students and teachers is benefited; because a fluorescent strip is arranged on one side of the shell, the dust-sucking blackboard eraser can be conveniently found by users; because an operating rod is arranged on one side of the shell, short students can wipe blackboards, and therefore the dust-sucking blackboard eraser can satisfy the demands of different users.
Description
Technical field
The utility model relates to the teaching aid technical field, relates in particular to a kind of dust absorption blackboard eraser.
Background technology
As everyone knows, ruler is one of requisite articles for use in the daily study of people, but existing ruler function singleness, and use inconvenience, existing ruler is as a kind of multi-functional ruler of CN201220195060.X announcement, comprise that a side is provided with the chi body of scale, it is characterized in that described chi body forms the outstanding of a right angle and is provided with a protractor, another side of described chi body is fastened with a blade.Its weak point is: the function of magnifying glass is not provided, the function of dwindling is not provided, and do not have the function of bookmark, when being not easy to people's reading next time, find the terminal point of reading last time fast, people's use has brought inconvenience.
The utility model content
The purpose of this utility model will solve in the prior art exactly, general blackboard eraser is in use assembled dust easily and is influenced the continuation use, and blackboard eraser itself does not have automatic dedusting function, often want to continue again behind the dust on the manual handle sponge strip problem used, a kind of dust absorption blackboard eraser is provided.
For realizing that the technical scheme that the purpose of this utility model adopts is: a kind of dust absorption blackboard eraser, the housing that comprises both ends open, described housing one end is provided with roller bearing, the other end is provided with the lid of flexible connection, and described roller bearing is provided with the blackboard snag, and described enclosure interior arranges induced-draught fan, power supply and switch, the air inlet of this induced-draught fan is provided with air intake duct, described air intake duct is corresponding with described blackboard snag, and the gas outlet of described induced-draught fan is provided with dust settling pocket, and a side of described housing is provided with steam vent.
Described housing one side is provided with the flexible connection action bars.
Described housing one side is provided with phosphor strip.
The utility model is by arranging roller bearing in housing, described roller bearing is provided with snag, roller bearing rolls in wiping process, and powder is fallen into housing, simultaneously induced-draught fan work, air inlet forms negative pressure, the powder of leaving in the snag is sucked away, and sends into dust settling pocket, and powder is trapped in the dust settling pocket, clean air is excluded, and is conducive to student and teacher's physical and mental health; Described housing one side is provided with phosphor strip, is convenient to the user and seeks; Described housing one side is provided with action bars, helps little student's blackboard wiping, the demand that satisfied difference is being used.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described further:
Fig. 1 is vertical profile structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, a kind of dust absorption blackboard eraser, the housing 3 that comprises both ends open, described housing 3 one ends are provided with roller bearing 2, the other end is provided with the lid 10 of flexible connection, described roller bearing 2 is provided with blackboard snag 1, described housing 3 inside arrange induced-draught fan 6, power supply 12 and switch 11, the air inlet 5 of this induced-draught fan 6 is provided with air intake duct 4, described air intake duct 4 is corresponding with described blackboard snag 1, and the gas outlet 7 of described induced-draught fan 6 is provided with dust settling pocket 9, and a side of described housing 3 is provided with steam vent 8, described housing 3 one sides are provided with the flexible connection action bars, and described housing 3 one sides are provided with phosphor strip.
The utility model is by arranging roller bearing in housing, described roller bearing is provided with snag, roller bearing rolls in wiping process, and powder is fallen into housing, simultaneously induced-draught fan work, air inlet forms negative pressure, the powder of leaving in the snag is sucked away, and sends into dust settling pocket, and powder is trapped in the dust settling pocket, clean air is excluded, and is conducive to student and teacher's physical and mental health; Described housing one side is provided with phosphor strip, is convenient to the user and seeks; Described housing one side is provided with action bars, helps little student's blackboard wiping, the demand that satisfied difference is being used.
Claims (3)
1. dust absorption blackboard eraser, it is characterized in that: the housing that comprises both ends open, described housing one end is provided with roller bearing, the other end is provided with the lid of flexible connection, and described roller bearing is provided with the blackboard snag, and described enclosure interior arranges induced-draught fan, power supply and switch, the air inlet of this induced-draught fan is provided with air intake duct, described air intake duct is corresponding with described blackboard snag, and the gas outlet of described induced-draught fan is provided with dust settling pocket, and a side of described housing is provided with steam vent.
2. dust absorption blackboard eraser as claimed in claim 1, it is characterized in that: described housing one side is provided with the flexible connection action bars.
3. dust absorption blackboard eraser as claimed in claim 1, it is characterized in that: described housing one side is provided with phosphor strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320094572 CN203142197U (en) | 2013-03-02 | 2013-03-02 | Dust-sucking blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320094572 CN203142197U (en) | 2013-03-02 | 2013-03-02 | Dust-sucking blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203142197U true CN203142197U (en) | 2013-08-21 |
Family
ID=48969749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320094572 Expired - Fee Related CN203142197U (en) | 2013-03-02 | 2013-03-02 | Dust-sucking blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203142197U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107962899A (en) * | 2017-08-31 | 2018-04-27 | 安徽信息工程学院 | Aerodynamics blackboard eraser |
-
2013
- 2013-03-02 CN CN 201320094572 patent/CN203142197U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107962899A (en) * | 2017-08-31 | 2018-04-27 | 安徽信息工程学院 | Aerodynamics blackboard eraser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20140302 |