CN201304826Y - Dust collection blackboard eraser - Google Patents

Abstract

The utility model provides a dust collection blackboard eraser, comprising a blackboard eraser body, a dust collection box and a brush which are connected in turn; the blackboard eraser body is provided with a small dust collector and a silencer; and the dust collection box is provided with a small round hole. The utility model reduces the dust inhaled by teachers and students during the teaching process.

Description

Dust absorption blackboard eraser

Technical field

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

Background technology

The blackboard eraser that teaching is at present 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 has endangered the healthy of teacher.

Summary of the invention

The purpose of this utility model is the blackboard eraser that a kind of dust suction will be provided, and minimizing academics and students in teaching process sucks the amount of dust.

The utility model is achieved in that the utility model comprises blackboard eraser body, dust respiratory box, blackboard eraser hairbrush.A Small-sized suction cleaner and a muffler are housed on the blackboard eraser body, a circular aperture is arranged on the dust respiratory box, when erasing the board, just turn on the power switch, dust catcher and muffler are just started working, and the dust of being wiped will be sucked away, thereby have reduced the content of dust in the air, and noise also reaches minimum.

The utlity model has following advantage and effect: reduce the Dust Capacity that Faculty and Students suck in the teaching process.

Description of drawings

Be illustrated below in conjunction with concrete figure

Fig. 1 is the outside drawing of dust absorption blackboard eraser.

Fig. 2 is a perspective view.

Wherein 1 is the blackboard eraser body, and 2 is the dust respiratory box, and 3 is the blackboard eraser hairbrush, and 4 is power switch, and 5 is circular aperture, and 6 is Small-sized suction cleaner, and 7 is muffler.

The specific embodiment

The utility model comprises blackboard eraser body 1, dust respiratory box 2, blackboard eraser hairbrush 3.Described blackboard eraser body 1, dust respiratory box 2 links to each other successively with blackboard eraser hairbrush 3, a Small-sized suction cleaner 6 and a muffler 7 are housed on blackboard eraser body 1, a circular aperture 5 is arranged on the dust respiratory box 2, blackboard eraser hairbrush 3 is installed in the outside of dust respiratory box 2, when erasing the board, just turn on the power switch 4, dust catcher 6 and muffler 7 are started working, the dust of being wiped will be sucked away, thereby reduced the content of dust in the air, muffler has also reduced the noise of dust catcher work, has built a quiet environment for student's study.

Claims (2)

1, a kind of dust absorption blackboard eraser is characterized in that: comprise blackboard eraser body, dust respiratory box and blackboard eraser hairbrush.

2, dust absorption blackboard eraser according to claim 1 is characterized in that: described blackboard eraser body comprises a small-sized dust catcher and a muffler.

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