CN201597347U - Dust-absorptive blackboard eraser - Google Patents

Abstract

The utility model discloses a blackboard eraser, in particular a dust-absorptive blackboard eraser, which comprises a back and a brush thereon. The dust-absorptive blackboard eraser is characterized in that a dust box and a mini dust collector are mounted between the brush and the back, a battery connected with the mini dust collector is disposed inside the back, and a handheld switch mounted on the outer edge of the back controls a battery power source. The dust-absorptive blackboard eraser has the advantages of simple structure, convenient utilization, effective control of flying dust, guarantee of environmental hygiene of classrooms, benefit in health of teachers and students, and realization of resource recycle.

Description

Dust absorption blackboard eraser

(1) technical field

The utility model relates to a kind of blackboard eraser, particularly a kind of dust absorption blackboard eraser.

(2) background technology

As everyone knows, the chalk of teaching usefulness is to synthesize with gypsum, lime, attached auxilliary other insoluble substance alloying, the dust of its generation just is deposited in each organ after entering people's respiratory tract and lung, health is caused damage, chalk dust fully can recycling in fact, and just its pulverulence defines the carrying out of this work.

Present blackboard eraser adopts the fur form more, though light, when using chalk powder is flown away with air, both contaminated environment was damaged health, had wasted to a certain extent again and can utilize resource less.

(3) summary of the invention

The utility model is in order to remedy the deficiencies in the prior art, and a kind of dust absorption blackboard eraser of simple in structure, clean environment firendly is provided.

The utility model is achieved by the following technical solution:

A kind of dust absorption blackboard eraser, comprise the blackboard eraser back of the body and the brush of the blackboard eraser on it, its special character is: between the blackboard eraser brush and the blackboard eraser back of the body dust box and micro-cleaner are installed, the battery that is connected with micro-cleaner is arranged in the blackboard eraser back of the body, and the hand switch of control battery supply is installed on the outer side edges of the blackboard eraser back of the body.

The utility model is quoted family's dust catcher principle, and micro-cleaner and dust box are installed in blackboard eraser, and the chalk dust that produces when erasing the board sucks in the dust box, sucks dust to prevent the people, impairs one's health; The recyclable reprocessing utilization of chalk dust of collecting in the dust box effectively economizes on resources.

More excellent scheme of the present utility model is: described blackboard eraser brush is porose sponge.

When the blackboard eraser brush was pieces, pieces contacted with blackboard surface, and along with the carrying out that applied thrust erases the board, pieces produces one active force with black ejection of chalk of wiping, and dust is flown upward everywhere, pollutes classroom environment, influences the healthy of teachers and students; Porose sponge has avoided the appearance of this problem, and makes dust be collected into the dust box by the hole on the sponge under the effect of micro-cleaner, reaches the effect of clean environment firendly.

The utility model is simple in structure, and is easy to use, controlled flying upward of dust effectively, guaranteed the environmental sanitation in classroom, helps the healthy of Faculty and Students, and accomplished recovery of resources.

(4) description of drawings

Below in conjunction with accompanying drawing the utility model is further described.

Fig. 1 looks schematic perspective view for master of the present utility model;

Fig. 2 looks schematic perspective view for a left side of the present utility model.

Among the figure, the 1 blackboard eraser back of the body, 2 blackboard erasers brush, 3 dust boxes, 4 micro-cleaners, 5 hand switch.

(5) specific embodiment

Accompanying drawing is a kind of specific embodiment of the present utility model.This embodiment comprises the blackboard eraser back of the body 1 and the brush of the blackboard eraser on it 2, between the blackboard eraser brush 2 and the blackboard eraser back of the body 1 dust box 3 and micro-cleaner 4 are installed, the battery that is connected with micro-cleaner 4 is arranged in the blackboard eraser back of the body 1, and the hand switch 5 of control battery supply is installed on the outer side edges of the blackboard eraser back of the body 1; : described blackboard eraser brush 2 is porose sponge.

When erasing the board, hold the blackboard eraser back of the body 1, act on blackboard eraser and carry on the back on the hand switch 5 of 1 side, open it, micro-cleaner 4 is started working, along with the motion of blackboard eraser, chalk dust under wiping enters in the dust box 3 by the hole on the blackboard eraser brush 2, reaches the collection dust, keeps sanitary purpose.

Claims (2)

1. dust absorption blackboard eraser, comprise the blackboard eraser back of the body (1) and the blackboard eraser on it brush (2), it is characterized in that: between the blackboard eraser brush (2) and the blackboard eraser back of the body (1) dust box (3) and micro-cleaner (4) are installed, the battery that is connected with micro-cleaner (4) is arranged in the blackboard eraser back of the body (1), and the hand switch (5) of control battery supply is installed on the outer side edges of the blackboard eraser back of the body (1).

2. dust absorption blackboard eraser according to claim 1 is characterized in that: described blackboard eraser brush (2) is porose sponge.

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