| 摘要 |
The present invention relates to an instrument, i.e. a magnetic brush for cleaning the wall of an arc aquarium. The character of it is that the top cover with a cavity fastens on the bottom cover with cleaning material. The cavity has an inside cover, which is separated from the cavity. Some magnets are placed on the inside cover. The top cover has a through-hole that connects with the cavity. A sealing plate and a knob are fastened movingly on the through-hole. The cavity can be poured into the liquid or aerated the gas through the through-hole. The magnetic brush with cavity can be suspended in the aquarium to reduce the friction between the wall of the brush and the wall of the aquarium. By the pulling of the outer magnetic brush, the inner magnetic brush can slide on the wall of the aquarium smoothly. The cover of the bottom has an arc edge which protruding upward. The arc shape can assort with the wall of the aquarium. The present invention can clean the wall of the arc aquarium or the plane aquarium at the same time. <IMAGE> |
