CN202965727U - Dust absorption blackboard eraser - Google Patents

Dust absorption blackboard eraser Download PDF

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Publication number
CN202965727U
CN202965727U CN 201220727280 CN201220727280U CN202965727U CN 202965727 U CN202965727 U CN 202965727U CN 201220727280 CN201220727280 CN 201220727280 CN 201220727280 U CN201220727280 U CN 201220727280U CN 202965727 U CN202965727 U CN 202965727U
Authority
CN
China
Prior art keywords
dust absorption
dust
brush
blackboard eraser
bristle
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
CN 201220727280
Other languages
Chinese (zh)
Inventor
王立华
黎晓鸣
李扬
张梅
Original Assignee
王立华
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 王立华 filed Critical 王立华
Priority to CN 201220727280 priority Critical patent/CN202965727U/en
Application granted granted Critical
Publication of CN202965727U publication Critical patent/CN202965727U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a dust absorption blackboard eraser which comprises a brush body and a rear cover. A dust absorption fan, a power supply which drives the dust absorption fan and a dust collecting bag are arranged inside the rear cover. The rear cover is provided with an exhaust port and a fan switch. A wiping device is arranged on the brush face of the brush body, and the brush face is provided with a dust collecting port which is communicated with an air inlet channel of the dust absorption fan. The dust absorption blackboard eraser is structurally characterized in that the wiping device comprises a cotton brush strip and brush hair which is arranged in a row mode, the cotton brush strip is arranged around the brush face in a surrounding mode, and the brush hair is arranged inside a space which is surrounded by the cotton brush strip. When a blackboard is cleaned, the fan switch is turned on, the wiping device is used for wiping the blackboard, wiped chalk ash is absorbed into the dust collecting bag from the dust collecting port by the dust absorption fan, the cotton brush strip is arranged in a surrounding mode, so that dust ash can be effectively prevented from blowing out from the side portion, and therefore the chalk ash can be effectively prevented from flying anywhere. Environment sanitation is effectively kept, and the health of teachers and students is guaranteed.

Description

Dust absorption blackboard eraser
Technical field
The utility model relates to a kind of dust absorption blackboard eraser.
Background technology
Blackboard eraser is the necessity of classroom instruction.Therefore big or small limited due to blackboard must constantly clear up blackboard with blackboard eraser.Cleaning is during blackboard, and chalk dust can fly upward everywhere, not only can affect environmental sanitation, and chalk dust can be by in student or teacher's suction body, if things go on like this serious harm teachers and students' health.Although the blackboard eraser of part dust suction is also arranged at present, and result of use is not good enough.
Summary of the invention
When being to provide a kind of the use, the technical problems to be solved in the utility model can effectively prevent the dust absorption blackboard eraser that chalk dust flies upward.
For solving the problems of the technologies described above, the utility model comprises brush body and bonnet, is provided with power supply, the dust bag of dust absorption fan, driving dust absorption fan in described bonnet, and bonnet is provided with exhaust outlet, fan switch; In the brush finish of brush body, wiping arrangement is installed, brush finish is provided with the dust collecting opening that is communicated with the dust absorption fan inlet channel, its design feature is that described wiping arrangement comprises cotton brush bar and the bristle that sets in a row, and described cotton brush bar ring is located at the brush finish surrounding, and bristle is arranged in the space that cotton brush bar surrounds.
After adopting said structure, open fan switch during the cleaning blackboard, use the wiping arrangement blackboard wiping, the chalk dust of wiping is sucked in dust bag from dust collecting opening by dust absorption fan, cotton brush bar ring is established and can be prevented effectively that dust from blowing out from sidepiece, thereby prevent that effectively chalk dust from flying upward everywhere, effectively keep environmental sanitation, guaranteed teachers and students' health.
Described bristle is two rows and arranges, and strengthens cleaning effect.
Described cotton is brushed between bar and bristle and is provided with dust collecting opening between bristle and bristle, and dust collecting opening is evenly arranged, and pick-up performance is good.
Described bonnet is provided with handle.
Described handle is length-adjustable expansion link, during the writing of wiping higher position, and extendable handle, easy to use.
Described bonnet is provided with the cover cap that can be used for the dismounting dust bag, when clearing up the laying dust in dust bag, only need open cover cap and get final product, and is convenient and swift.
Description of drawings
Below in conjunction with the drawings and the specific embodiments, the utility model is described in further detail:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the right view of Fig. 1.
The specific embodiment
As depicted in figs. 1 and 2, dust absorption blackboard eraser comprises brush body 1 and bonnet 2.Be provided with power supply, the dust bag of dust absorption fan, driving dust absorption fan in bonnet 2, power supply is rechargeable battery, and bonnet 2 is provided with the exhaust outlet of dust absorption fan and controls the fan switch of dust absorption fan switch, and bonnet 2 is provided with the cover cap that can be used for the dismounting dust bag.The middle part of bonnet 2 is connected with the handle 6 that is parallel to brush body 1, and handle 6 is length-adjustable expansion link.
Brush body 1 is a flat board, what brush body 1 was detachable is installed on bonnet 2, and on bonnet 2, the corresponding position is bonded with sealing joint strip 7, makes above brush body 1 more firmly is installed on, the detachable connection of this kind also helps and changes the brush body 1 that uses the wiping arrangement of setting on it of grinding away because of long-term.In the brush finish of brush body 1, wiping arrangement is installed, wiping arrangement comprises cotton brush bar 4 and the bristle 5 that sets in a row, cotton brush bar 4 rings are located at the brush finish surrounding, bristle 5 is arranged in the space that cotton brush bar 4 surrounds, bristle 5 is two rows along brush body 1 length direction and arranges, between cotton brush bar 4 and bristle 5 and between bristle 5 and bristle 5 respectively even interval the dust collecting opening 3 of a plurality of strips is set, dust collecting opening 3 is communicated with the dust absorption fan inlet channel.For preventing that the chalk dust that sticks on cotton brush bar 4 from dropping, can dust collecting opening 3 also be set in brush body 1 corresponding position of fixing cotton brush bar 4, during blackboard wiping, the chalk dust that sticks on cotton brush bar 4 is adsorbed on cotton brush bar firmly, wiping is complete, and blackboard eraser is kept flat, and dustbin is aimed in brush finish, close dust absorption fan, chalk dust drops from cotton brush bar 4 automatically.
Open fan switch during the cleaning blackboard, use the wiping arrangement blackboard wiping, the chalk dust of wiping is sucked in dust bag from dust collecting opening 3 by dust absorption fan, cotton brush bar 4 rings are established and can be prevented effectively that dust from blowing out from sidepiece, thereby prevent that effectively chalk dust from flying upward everywhere, effectively keep environmental sanitation, guaranteed teachers and students' health.During the cleaning laying dust, only need open cover cap and the chalk dust in dust bag can be removed, convenient and swift.

Claims (6)

1. dust absorption blackboard eraser, comprise brush body (1) and bonnet (2), be provided with power supply, the dust bag of dust absorption fan, driving dust absorption fan in described bonnet (2), bonnet (2) is provided with exhaust outlet, fan switch, in the brush finish of described brush body (1), wiping arrangement is installed, brush finish is provided with the dust collecting opening (3) that is communicated with the dust absorption fan inlet channel, it is characterized in that described wiping arrangement comprises cotton brush bar (4) and the bristle (5) that sets in a row, described cotton brush bar (4) ring is located at the brush finish surrounding, and bristle (5) is arranged in the space that cotton brush bar (4) surrounds.
2. dust absorption blackboard eraser according to claim 1, is characterized in that described bristle (5) is two rows and arranges.
3. dust absorption blackboard eraser according to claim 2, is characterized in that between described cotton brush bar (4) and bristle (5) and be provided with dust collecting opening (3) between bristle (5) and bristle (5).
4. dust absorption blackboard eraser according to claim 3, is characterized in that described bonnet (2) is provided with handle (6).
5. dust absorption blackboard eraser according to claim 4, is characterized in that described handle (6) is length-adjustable expansion link.
6. the described dust absorption blackboard eraser of according to claim 1 to 5 any one, is characterized in that described bonnet (2) is provided with the cover cap that can be used for the dismounting dust bag.
CN 201220727280 2012-12-26 2012-12-26 Dust absorption blackboard eraser Expired - Fee Related CN202965727U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220727280 CN202965727U (en) 2012-12-26 2012-12-26 Dust absorption blackboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220727280 CN202965727U (en) 2012-12-26 2012-12-26 Dust absorption blackboard eraser

Publications (1)

Publication Number Publication Date
CN202965727U true CN202965727U (en) 2013-06-05

Family

ID=48506847

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220727280 Expired - Fee Related CN202965727U (en) 2012-12-26 2012-12-26 Dust absorption blackboard eraser

Country Status (1)

Country Link
CN (1) CN202965727U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113500870A (en) * 2021-07-01 2021-10-15 海南经贸职业技术学院 Computer application teaching device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113500870A (en) * 2021-07-01 2021-10-15 海南经贸职业技术学院 Computer application teaching device

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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: 20130605

Termination date: 20151226

EXPY Termination of patent right or utility model