The invention discloses an environment-friendly blackboard eraser suitable for college English teachers. It includes a housing, a
handle is installed on the top of the housing, two legs of the
handle extend to the inside of the housing, and a
slide plate is installed at the bottom of the two legs of the
handle. A buffer spring is provided on the handle leg between the
slide plate and the inner wall of the housing, a main
brush is provided on the side of the
slide plate away from the handle, a sealing cover is provided on the end of the housing bottom away from the handle, and a seal cover is provided on the end of the housing away from the handle. An auxiliary
brush is provided on the side. In the present invention, by loosening the handle, the sliding plate and the main
brush hit the sealing cover under the action of the buffer spring, thereby removing the dust on the main brush, on the one hand, it is convenient to remove the dust, and on the other hand, the dust stays in the sealing cover Inside, it can avoid dust splashing everywhere, and it is more
environmentally friendly. By setting up an auxiliary brush, when the teacher makes a mistake in writing, he only needs to wipe individual wrong letters instead of wiping the whole, which is convenient for English teachers to use.