Electric dust collection chalk brush

Abstract

The invention discloses an electric dust collection chalk brush. The electric dust collection chalk brush comprises a base and a chalk brush main body arranged on the base; the chalk brush main body comprises a shell, wherein a motor, a rechargeable battery and a control circuit board are installed in the shell, the motor and the rechargeable battery are electrically connected with the control circuit board, a rotating shaft of the motor is connected with fan blades, a button switch is arranged on the left side of the shell and electrically connected with the control circuit board, a charginginterface is formed in the front side of the base, a lower triggering column is arranged on the base, and an upper triggering column corresponding to the lower triggering column is installed in the shell, the lower triggering column is electrically connected with the charging interface, the upper triggering column is electrically connected with the control circuit board, a dust discharging hole isformed in the front side of the shell, and a blocking cover is arranged on the dust discharging hole. According to the electric dust collection chalk brush, charging is convenient and fast, dust canbe poured out from the dust discharging hole by opening the blocking cover, dust cleaning is convenient, and use is environmentally friendly.

Description

technical field [0001] The invention relates to a chalk brush, in particular to an electric dust-absorbing chalk brush. Background technique [0002] Chalk brushes are widely used in classrooms as a teaching tool. With the advancement of technology, electric vacuum chalk brushes appear to keep the classroom environment free from pollution. But the current electric vacuum chalk brush, the dust enters the brush, and the chalk brush needs to be opened to remove the dust, which is inconvenient to clean, and when the chalk brush is opened, the dust is everywhere, which is easy to pollute the environment. In addition, the electric vacuum chalk brush is generally used It is used more frequently and consumes a lot of power. The current electric dust collector brush is charged through the connector, which is frequently plugged in and inconvenient to use. Therefore, in order to avoid the shortcomings existing in the prior art, it is necessary to improve the prior art. Contents of ...

AI Technical Summary

Problems solved by technology

But the current electric vacuum chalk brush, the dust enters the brush, and the chalk brush needs to be opened to remove the dust, which is inconvenient to clean, and when the chalk brush is opened, the dust is everywhere, which is easy to pollute the environment. In addition, the electric vacuum chalk brush is generally used It is used frequently and consumes a lot of power. The current electric vacuum cleaner brush is charged through the connector, which is frequently plugged in and inconvenient to use.

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