CN201169174Y - Absorbent blackboard eraser - Google Patents

Absorbent blackboard eraser Download PDF

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Publication number
CN201169174Y
CN201169174Y CNU2008200165339U CN200820016533U CN201169174Y CN 201169174 Y CN201169174 Y CN 201169174Y CN U2008200165339 U CNU2008200165339 U CN U2008200165339U CN 200820016533 U CN200820016533 U CN 200820016533U CN 201169174 Y CN201169174 Y CN 201169174Y
Authority
CN
China
Prior art keywords
dust
blackboard eraser
base plate
air inlet
wind inlet
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
Application number
CNU2008200165339U
Other languages
Chinese (zh)
Inventor
赵仁超
韩凤声
迟大德
王叶亮
战淑华
曹筱艳
迟志兰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CNU2008200165339U priority Critical patent/CN201169174Y/en
Application granted granted Critical
Publication of CN201169174Y publication Critical patent/CN201169174Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model belongs to a teaching tool, in particular to a dust absorbing blackboard eraser which is characterized in that a wind inlet is arranged in the center of a soleplate and a brush eraser body, the inner side of the soleplate is provided with an intake fan which is coaxial with the wind inlet, a filter cloth bag is sleeved on the periphery of the intake fan and is fixedly connected on the edge of the soleplate, and the brush eraser body in the tangent direction of the wind inlet is provided with a plurality of dust channels communicated with the wind inlet. The dust absorbing blackboard eraser has the advantages that when the chalk words are erased, the dust does not disperse all over the place, the environment is not polluted, the health of both the teacher and the student are not harmed by dust, and the eraser is convenient to clean and process.

Description

Dust absorption blackboard eraser
Technical field:
The utility model belongs to teaching aid, is specifically related to a kind of dust absorption blackboard eraser.
Background technology:
The dust that existing blackboard eraser produces when wiping chalk writing disperse everywhere, contaminated air environment not only, and, influence healthy easily by academics and students's inspiration.
Summary of the invention:
The purpose of this utility model provides and can absorb dust when wiping chalk writing, prevents the dust absorption blackboard eraser of dust disperse everywhere.
The technical solution of the utility model is: a kind of dust absorption blackboard eraser, at the fixing one deck hair rub body of plate outer side, it is characterized in that establishing air inlet at base plate and hair rub body center, the base plate inboard is provided with the drawing fan coaxial with air inlet, be with one in the periphery of drawing fan and filter cloth bag, cloth bag is fixed on the edge of base plate, is provided with several dust passages and air inlet perforation on the hair rub body on the air inlet tangential direction.
Owing to adopt technique scheme, when wiping chalk writing, start drawing fan, chalk dust is inhaled into and is collected in the cloth bag together, has the not disperse everywhere of dust that produces when wiping chalk writing, non-environmental-pollution has been avoided the infringement of dust to Faculty and Students' health, and is convenient to the advantage of cleaning.
Description of drawings:
Come the technical solution of the utility model is described further below in conjunction with the drawings and specific embodiments.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the upward view of Fig. 1.
The specific embodiment:
With reference to figure 1, Fig. 2.A kind of dust absorption blackboard eraser, fixing one deck hair rub body 2 in base plate 1 outside, establish air inlet 4 at base plate 1 and hair rub body 2 centers, the base plate inboard is provided with the drawing fan 3 coaxial with air inlet, be with one in the periphery of drawing fan and filter cloth bag 5, cloth bag 5 is fixed on the edge of base plate 1, is provided with several dust passages 6 and connects with air inlet 4 on the hair rub body 2 on air inlet 4 tangential directions, and the power line of drawing fan is by passing on the base plate.

Claims (1)

1, a kind of dust absorption blackboard eraser, fixing one deck hair rub body (2) in base plate (1) outside, it is characterized in that establishing air inlet (4) at base plate (1) and hair rub body (2) center, the base plate inboard is provided with the drawing fan coaxial with air inlet (3), be with one in the periphery of drawing fan and filter cloth bag (5), cloth bag (5) is fixed on the edge of base plate (1), is provided with several dust passages (6) and connects with air inlet (4) on the hair rub body (2) on air inlet (4) tangential direction.
CNU2008200165339U 2008-01-10 2008-01-10 Absorbent blackboard eraser Expired - Fee Related CN201169174Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008200165339U CN201169174Y (en) 2008-01-10 2008-01-10 Absorbent blackboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008200165339U CN201169174Y (en) 2008-01-10 2008-01-10 Absorbent blackboard eraser

Publications (1)

Publication Number Publication Date
CN201169174Y true CN201169174Y (en) 2008-12-24

Family

ID=40208227

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008200165339U Expired - Fee Related CN201169174Y (en) 2008-01-10 2008-01-10 Absorbent blackboard eraser

Country Status (1)

Country Link
CN (1) CN201169174Y (en)

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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: 20081224