CN201566350U - Dust-proof blackboard eraser - Google Patents

Dust-proof blackboard eraser Download PDF

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Publication number
CN201566350U
CN201566350U CN2009202292526U CN200920229252U CN201566350U CN 201566350 U CN201566350 U CN 201566350U CN 2009202292526 U CN2009202292526 U CN 2009202292526U CN 200920229252 U CN200920229252 U CN 200920229252U CN 201566350 U CN201566350 U CN 201566350U
Authority
CN
China
Prior art keywords
sponge brush
brush
blackboard eraser
dust
plastic casing
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
CN2009202292526U
Other languages
Chinese (zh)
Inventor
王鹏
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 CN2009202292526U priority Critical patent/CN201566350U/en
Application granted granted Critical
Publication of CN201566350U publication Critical patent/CN201566350U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

A dust-proof blackboard eraser comprises an elliptic plastic casing (1) and a sponge brush, wherein a lap of fuzz brush (3) is arranged on the outer circle of the plastic casing (1); the sponge brush comprises a large sponge brush (4) and a small sponge brush (5), which are concentric and take the shape of elliptic rings; the large sponge brush (4) and the small sponge brush (5) are slightly lower than the fuzz brush (3), so as to prevent dust falling from the blackboard eraser; certain space used for storing the fallen chalk dust is formed among the large sponge brush (4), the small sponge brush (5) and the fuzz brush (3); a magnet (6) is fixed inside the small sponge brush (5), so that the blackboard eraser can be adsorbed on the blackboard at random; and a handle (2) is arranged on the plastic casing (1) for user convenience.

Description

Dust-proof blackboard eraser
Technical field
The utility model relates to a kind of blackboard eraser, a kind of dust-proof blackboard eraser of more specifically saying so.
Background technology
Blackboard eraser is the article that often use in the teaching process, common blackboard eraser can cause chalk dust to fly away in air when erasing the board now, these dust are sucked in the lung by the academics and students, influence their healthy, of long duration can cause breathing problem, serious even can cause pneumoconiosis.Simultaneously present blackboard eraser is taken and is held also very inconvenience, usually can make both hands be stained with chalk dust.
Summary of the invention
The purpose of this utility model is to overcome deficiency of the prior art and defective, provides a kind of convenience to take the dust-proof blackboard eraser of holding.
To achieve these goals, the technical solution of the utility model is: dust-proof blackboard eraser, comprise oval-shaped plastic casing and sponge brush, the outer ring of described plastic casing is provided with a circle fine hair brush, and described sponge brush is two big sponge brushes of concentric oval ring and little sponge brush.
Described big sponge brush and little sponge brush are brushed a little less than fine hair, and all have certain interval between the three.
Described little sponge brush center fixed has a magnet.
Described plastic casing is provided with handle.
Pass through technique scheme, the beneficial effects of the utility model are: between the two circle sponge brushes certain interval is arranged in the utility model 1., store the chalk dust that brush falls, while fine hair brush is higher than sponge brush and can prevents that dust from flying away out in blackboard eraser, prevent that the academics and students from sucking too much dust, guaranteed the health cleaning of their work and study environment.2. the utility model is provided with a handle, makes it more convenient to operate, and the situation of having avoided both hands to be stained with chalk dust takes place.3. the utility model is provided with a magnet simultaneously, can be adsorbed on the blackboard when not using, and has solved blackboard eraser and has deposited the problem of inconvenience.
Description of drawings
Fig. 1 is a reverse side structural representation of the present utility model;
Fig. 2 is a Facad structure schematic diagram of the present utility model.
Among the figure: plastic casing 1, handle 2, fine hair brush 3, big sponge brush 4, little sponge brush 5, magnet 6.
The specific embodiment
The utility model is described in further detail below in conjunction with description of drawings and the specific embodiment:
Referring to Fig. 1, dust-proof blackboard eraser comprises oval-shaped plastic casing 1 and sponge brush, and the outer ring of described plastic casing 1 is provided with a circle fine hair brush 3, and described sponge brush is two big sponge brushes 4 of concentric oval ring and little sponge brush 5.Big sponge brush 4 and little sponge brush 5 prevent that a little less than fine hair brush 3 dust from flying away out in blackboard eraser.And all there is certain interval between the three, is used to store the chalk dust that brush falls.Be fixed with a magnet 6 in the little sponge brush 5, make blackboard eraser can random adsorption on blackboard.
Referring to Fig. 2, plastic casing 1 is provided with a handle 2, makes things convenient for the user to take and holds.

Claims (4)

1. dust-proof blackboard eraser comprises oval-shaped plastic casing (1) and sponge brush, it is characterized in that: the outer ring of described plastic casing (1) is provided with a circle fine hair brush (3), and described sponge brush is two big sponge brushes of concentric oval ring (4) and little sponge brush (5).
2. dust-proof blackboard eraser according to claim 1 is characterized in that: described big sponge brush (4) and little sponge brush (5) are brushed (3) a little less than fine hair, and all have certain interval between the three.
3. dust-proof blackboard eraser according to claim 1 is characterized in that: described little sponge brush (5) center fixed has a magnet (6).
4. dust-proof blackboard eraser according to claim 1 is characterized in that: described plastic casing (1) is provided with handle (2).
CN2009202292526U 2009-11-03 2009-11-03 Dust-proof blackboard eraser Expired - Fee Related CN201566350U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202292526U CN201566350U (en) 2009-11-03 2009-11-03 Dust-proof blackboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202292526U CN201566350U (en) 2009-11-03 2009-11-03 Dust-proof blackboard eraser

Publications (1)

Publication Number Publication Date
CN201566350U true CN201566350U (en) 2010-09-01

Family

ID=42658638

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009202292526U Expired - Fee Related CN201566350U (en) 2009-11-03 2009-11-03 Dust-proof blackboard eraser

Country Status (1)

Country Link
CN (1) CN201566350U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103587306A (en) * 2012-08-14 2014-02-19 周鹏鹏 Blackboard eraser capable of sucking chalk powder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103587306A (en) * 2012-08-14 2014-02-19 周鹏鹏 Blackboard eraser capable of sucking chalk powder

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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: 20100901

Termination date: 20101103