CN2880537Y - Eraser - Google Patents

Abstract

The utility model relates to a blackboard brush, which includes a brush body, brush bristles arranged on the front end of the brush body with holes, and a micro dust collector and a battery box arranged inside the brush body. The two electrodes of the battery box are respectively connected with the two corresponding electrodes of the micro dust collector. A switch is serially connected to the circuit, and a dust collection box is arranged at the back of the micro dust collector. The utility model is featured with simple structure and convenient use, and can effectively absorb dusts to avoid damage to human health due to excessive dusts.

Description

Blackboard eraser

Technical field the utility model relates to a kind of stationery, especially a kind of blackboard eraser.

Technical background is present, and the blackboard eraser that teaching is used is the disappear wooden blackboard eraser of dirt function of a kind of nothing, and dust during use is easy to be sucked by the people owing to can't eliminate, and human body is damaged.

The summary of the invention the purpose of this utility model is to overcome above-mentioned said shortcoming and a kind of blackboard eraser with dust-absorbing function is provided.

For achieving the above object, the utility model blackboard eraser, comprise rub body, for the front end at porose rub body is provided with snag, the inside of rub body is provided with micro-cleaner and battery case, the both positive and negative polarity of battery case respectively with two electrodes of micro-cleaner be communicated with, on its loop, be serially connected with switch, the rear end of micro-cleaner is provided with dust-collecting box.

The utility model has the advantages that: simple in structure, easy to use, can suck dust effectively, prevent that the many human bodies of dust from damaging.

Description of drawings Fig. 1 is the utility model blackboard eraser overall structure schematic diagram.

The specific embodiment such as Fig. 1 show, the utility model blackboard eraser, comprise rub body 1, for the front end at porose rub body 1 is provided with snag 2, the inside of rub body 1 is provided with micro-cleaner 3 and battery case 4, the both positive and negative polarity of battery case 4 respectively with 3 two electrodes of micro-cleaner be communicated with, on its loop, be serially connected with switch 5, the rear end of micro-cleaner 3 is provided with dust-collecting box.

Claims (1)

1, a kind of blackboard eraser, comprise rub body (1), it is characterized in that: the front end at porose rub body (1) is provided with snag (2), the inside of rub body (1) is provided with micro-cleaner (3) and battery case (4), the both positive and negative polarity of battery case (4) respectively with (3) two electrodes of micro-cleaner be communicated with, be serially connected with switch (5) on its loop, the rear end of micro-cleaner (3) is provided with dust-collecting box.