CN201849207U - Blackboard eraser - Google Patents

Abstract

The utility model discloses a blackboard eraser, which comprises bristles. The blackboard eraser is characterized in that the bristles are arranged at the lower part of a case body, a suction opening is arranged on each side of the lower part of the case body, and a suction device is arranged inside the case body. The blackboard eraser can automatically suck chalk dust.

Description

A kind of blackboard eraser

Technical field

The utility model relates to a kind of blackboard eraser.

Background technology

At present, more common blackboard eraser only is made up of plate body and the bristle that is arranged on the plate body, and chalk powder easily wafts when erasing the board, and therefore health is constituted a threat to.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of blackboard eraser that can absorb chalk powder automatically.

For realizing above purpose, technical solution of the present utility model is: a kind of blackboard eraser, comprise bristle, and it is characterized in that: described bristle is arranged at the bottom of a box body, the both sides of described box body bottom are respectively arranged with an inlet scoop, and described box body inside is provided with an extractor fan.

Compared with prior art, the beneficial effects of the utility model are:

1. because a kind of blackboard eraser of the present utility model is provided with an extractor fan in box body, extractor fan can suck chalk powder in the box body by the inlet scoop, so the utility model can absorb chalk powder automatically.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Among the figure: box body 10, bristle 12, inlet scoop 14.

The specific embodiment

Below in conjunction with the drawings and specific embodiments the utility model is described in further details

Referring to shown in Figure 1, a kind of blackboard eraser, comprise bristle 12, bristle 12 is arranged at the bottom of a box body 10, the both sides of box body 10 bottoms are respectively arranged with an inlet scoop 14, box body 10 inside are provided with an extractor fan (not shown), and extractor fan can suck chalk powder in the box body 10 by inlet scoop 14, so the utility model can absorb chalk powder automatically.

The above only is a better embodiment of the present utility model; protection domain of the present utility model does not exceed with above-mentioned embodiment; as long as the equivalence that those of ordinary skills do according to the utility model institute disclosure is modified or changed, all should include in the protection domain of putting down in writing in claims.

Claims (1)

1. a blackboard eraser comprises bristle, it is characterized in that: described bristle is arranged at the bottom of a box body, and the both sides of described box body bottom are respectively arranged with an inlet scoop, and described box body inside is provided with an extractor fan.

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