CN202641184U - Electric blackboard eraser - Google Patents

Electric blackboard eraser Download PDF

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Publication number
CN202641184U
CN202641184U CN 201220308605 CN201220308605U CN202641184U CN 202641184 U CN202641184 U CN 202641184U CN 201220308605 CN201220308605 CN 201220308605 CN 201220308605 U CN201220308605 U CN 201220308605U CN 202641184 U CN202641184 U CN 202641184U
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CN
China
Prior art keywords
dust
blackboard eraser
shell
electric
blackboard
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 201220308605
Other languages
Chinese (zh)
Inventor
李书韵
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 CN 201220308605 priority Critical patent/CN202641184U/en
Application granted granted Critical
Publication of CN202641184U publication Critical patent/CN202641184U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an electric blackboard eraser, belonging to a teaching instrument and mainly solving the problem that a traditional blackboard eraser takes time and labor and is insanitary. The electric blackboard eraser structurally comprises a shell, dust collectors and a dust storage box, wherein two micro electric dust collectors are arranged in parallel inside the shell; the shells of the dust collectors are of circular disc shapes with a plurality of eraser hairs; internal circuits are connected with a power supply and a control switch arranged at the bottom of the shell; a drawing type dust storage box is arranged inside the base of the shell; and the opening of the dust storage box is communicated with the dust collector. The electric blackboard eraser disclosed by the utility model solves the technical problem that the physical and psychological health of teachers and students is damaged as the dust flies while a blackboard is erased and has the functions of saving time and labor and erasing the blackboard efficiently and rapidly.

Description

A kind of electric blackboard eraser
Technical field
The utility model relates to a kind of teaching aid, specifically is a kind of electric blackboard eraser.
Background technology
Class hour on to the student, for important content, teacher is for the ease of student memory and understanding, can write at blackboard every now and then, lower class hour, the student on duty classmate will erase the board, owing to just require great effort when the student erases the board in the position when teacher writes, highly different very much; In addition, the dust that flies upward drop on classmates on hand and with it, also can be inhaled in the lung, because the specific physical performance of chalk, this can cause very large injury to health, and such as pneumoconiosis and various acute and chronic breathing problem that dust causes, dust is to the injury of eyes, ear, skin, can also bring out Other diseases, on the impact of air quality and on impact of myopia etc.
The utility model content
The purpose of this utility model is to provide a kind of electric blackboard eraser, and this blackboard eraser has the function that operation is time saving and energy saving, prevent dust from flying.
The technical scheme in the invention for solving the technical problem is: a kind of electric blackboard eraser, its structure is made of housing, dust catcher and dust-collecting box, be provided with side by side two miniature electric dust suction devices in the described housing, described Body case of cleaner body is the disc with some bristles, internal wiring links to each other with the power supply that is located at housing bottom and gauge tap, be provided with the drawing and pulling type dust-collecting box in the base of housing, the opening of dust-collecting box is connected with dust catcher.
The beneficial effects of the utility model are: during use, close dust-collecting box, plugged, the opening control switch, housing is held in dust catcher work, with dust catcher aim at treat on the blackboard wiped area and about or move up and down blackboard eraser, the bristle of dust catcher is moved reciprocatingly at blackboard, and the bristle of High Rotation Speed is wiped the dust on the blackboard lower and is entered in the dust-collecting box under the suction function of dust catcher at this moment; The utility model efficiently solves dust from flying when erasing the board, the able-bodied technical problem of harm Faculty and Students, and it is time saving and energy saving to have, the function that erases the board fast and efficiently.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Among the figure: 1 housing, 2 dust catchers, 3 power supplys, 4 dust-collecting boxes, 5 gauge taps.
The specific embodiment
As shown in Figure 1.A kind of electric blackboard eraser, its structure is made of housing 1, dust catcher 2 and dust-collecting box 4, described housing 1 is interior to be provided with two miniature electric dust suction devices 2 side by side, described dust catcher 2 shell bodies are the disc with some bristles, internal wiring links to each other with the power supply 3 that is located at housing 1 bottom and gauge tap 5, be provided with drawing and pulling type dust-collecting box 4 in the base of housing 1, the opening of dust-collecting box 4 is connected with dust catcher 2.
During use, close dust-collecting box 4, plugged, open gauge tap 5, housing 1 is held in dust catcher 2 work, with dust catcher 2 aim at treat on the blackboards wiped area and about or move up and down blackboard eraser, the bristle of dust catcher 2 is moved reciprocatingly at blackboard, and the bristle of High Rotation Speed is wiped the dust on the blackboard lower and is entered in the dust-collecting box 4 under the suction function of dust catcher 2 at this moment; The utility model efficiently solves dust from flying when erasing the board, the able-bodied technical problem of harm Faculty and Students, and it is time saving and energy saving to have, the function that erases the board fast and efficiently.

Claims (1)

1. electric blackboard eraser, it is characterized in that, consisted of by housing, dust catcher and dust-collecting box, be provided with side by side two miniature electric dust suction devices in the described housing, described Body case of cleaner body is the disc with some bristles, internal wiring links to each other with the power supply that is located at housing bottom and gauge tap, is provided with the drawing and pulling type dust-collecting box in the base of housing, and the opening of dust-collecting box is connected with dust catcher.
CN 201220308605 2012-06-29 2012-06-29 Electric blackboard eraser Expired - Fee Related CN202641184U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220308605 CN202641184U (en) 2012-06-29 2012-06-29 Electric blackboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220308605 CN202641184U (en) 2012-06-29 2012-06-29 Electric blackboard eraser

Publications (1)

Publication Number Publication Date
CN202641184U true CN202641184U (en) 2013-01-02

Family

ID=47410341

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220308605 Expired - Fee Related CN202641184U (en) 2012-06-29 2012-06-29 Electric blackboard eraser

Country Status (1)

Country Link
CN (1) CN202641184U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108528113A (en) * 2018-06-28 2018-09-14 张晶 A kind of energy conservation and environmental protection blackboard eraser

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108528113A (en) * 2018-06-28 2018-09-14 张晶 A kind of energy conservation and environmental protection blackboard eraser

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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: 20130102

Termination date: 20130629