CN101579987A - Electric dust collecting blackboard wiper - Google Patents

Abstract

An electric dust collecting blackboard wiper comprises a brush body, bristle and an expandable handle, the expandable handle is connected with the brush body, bristle is arranged on the brush body, dust collecting holes are arranged between adjacent bristle, a battery array, a dust collecting electric motor and a dust box are arranged in the brush body, and the dust collecting electric motor is connected with switches of the battery array and the brush body by wires. The structure provided by the invention has advantages that when using the blackboard wiper, chalk dust can be inhaled in the dust box through the dust collecting holes so as to avoid chalk dust flying everywhere and protect the environment of classrooms.

Description

Electric dust absorption blackboard eraser

Technical field

The present invention relates to a kind of improvement of blackboard eraser, particularly a kind of electric dust absorption blackboard eraser.

Background technology

Existing blackboard eraser is when erasing the board, and usually chalk dust flies upward everywhere, influences the environmental sanitation in classroom.

Summary of the invention

Purpose of the present invention will provide a kind of electric dust absorption blackboard eraser exactly, and it can suck chalk dust in the dust box in the blackboard eraser, has avoided chalk dust to fly upward everywhere, does not influence the environmental sanitation in classroom.

The object of the present invention is achieved like this: a kind of electric dust absorption blackboard eraser, comprise brush body, bristle and telescopic handle, telescopic handle links to each other with brush body, brush body is provided with bristle, brush body between adjacent bristle is provided with air suction opening, be provided with battery pack, dust suction motor and dust box in the brush body, the dust suction motor links to each other with switch on the brush body by lead and battery pack.

Owing to adopt said structure, so blackboard eraser can suck chalk dust in the dust box in the blackboard eraser by air suction opening when using, avoided chalk dust to fly upward everywhere, do not influence the environmental sanitation in classroom.

Description of drawings

Concrete structure of the present invention is provided by following embodiment and accompanying drawing thereof.

Fig. 1 is a structural representation of the present invention.

Fig. 1 double as Figure of abstract.

Among the figure: 1, brush body, 2, bristle, 3, handle, 4, air suction opening, 5, switch.

The specific embodiment

As shown in Figure 1, a kind of electric dust absorption blackboard eraser, comprise brush body 1, bristle 2 and telescopic handle 3, telescopic handle 3 links to each other with brush body 1, brush body 1 is provided with bristle 2, the brush body 1 that adjacent bristle is 2 is provided with air suction opening 4, is provided with battery pack, dust suction motor and dust box in the brush body 1, and the dust suction motor links to each other with switch 5 on the brush body 1 by lead and battery pack.

During use, open switch 5, the dust suction motor is started working, and the chalk dust when bristle 2 erases the board just enters in the dust box in the brush body 1 by air suction opening 4.Also can be as required, the length of regulating handle 3 is to adapt to different height students' requirement.

Claims (1)

1, a kind of electric dust absorption blackboard eraser, comprise brush body (1), bristle (2) and telescopic handle (3), telescopic handle (3) links to each other with brush body (1), it is characterized in that: brush body (1) is provided with bristle (2), brush body (1) between adjacent bristle (2) is provided with air suction opening (4), be provided with battery pack, dust suction motor and dust box in the brush body (1), the dust suction motor links to each other with switch (5) on the brush body (1) by lead and battery pack.

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