CN202163195U - Blackboard eraser - Google Patents

Abstract

The utility model discloses a blackboard eraser, comprising a box body, bristles and a soft rubber strip. The bristles and the soft rubber strip are fixed on the box body side by side and have the same height. When the blackboard eraser is used, characters that are written in chalk on a blackboard are erased via the bristles and become dust, wherein a part of the dust falls down under the effect of weight, and the other part of dust is still on the blackboard and is wiped off by the soft rubber strip. The blackboard eraser of the utility model has a simple structure and is convenient to use, effectively reducing the repeated work of cleaning blackboards and making blackboards cleaner.

Description

A kind of blackboard eraser

Technical field

The utility model relates to teaching aid, relates in particular to a kind of blackboard eraser.

Background technology

The blackboard eraser that uses now generally includes box body and bristle, during use; Wipe the chalk writing on the blackboard through bristle; But letter written with chalk has been wiped, and its dust still can remain on the blackboard, needs usually to wipe repeatedly could letter written with chalk and dust be wiped clean several times.

The utility model content

Goal of the invention: in order to overcome the deficiency that exists in the prior art, the utility model provides a kind of blackboard eraser, can effectively wipe letter written with chalk and dust, avoids working repeatedly.

Technical scheme: for solving the problems of the technologies described above, the technical scheme of the utility model sampling is:

A kind of blackboard eraser comprises box body, bristle and soft rubber bar, and bristle and rubber strip are fixed on the box body side by side, and the height of bristle and soft rubber bar equates; During use, wipe the letter written with chalk on the blackboard through bristle, make it become dust, wherein a part of dust is because weight falls, and another part dust still is bonded on the blackboard, sweeps through the soft rubber bar.

Beneficial effect: a kind of blackboard eraser that the utility model provides, simple in structure, easy to use, effectively reduced the work repeatedly that erases the board, promote the cleanliness factor of blackboard.

Description of drawings

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

The specific embodiment

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

Be depicted as a kind of blackboard eraser like accompanying drawing 1, comprise box body, bristle 1 and soft rubber bar 2, bristle 1 is fixed on the box body with rubber strip 2 side by side, and the height of bristle 1 and soft rubber bar 2 equates.

The above only is the preferred implementation of the utility model; Be noted that for those skilled in the art; Under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.

Claims (1)

1. blackboard eraser, it is characterized in that: this blackboard eraser comprises box body, bristle (1) and soft rubber bar (2), and bristle (1) and rubber strip (2) are fixed on the box body side by side, and the height of bristle (1) and soft rubber bar (2) equates.

Images