| 摘要 |
Disclosed is a cleaning brush that can be used for cleaning various objects as the width of a part where brush bristles are installed can be increased or decreased according to the kind of object to be cleaned having small holes or grooves, wherein the brush does not require plenty of energy as the variable shape part supported by a spring has a cushion. The cleaning brush has a head part including a variable shape part, and the variable shape part comprises a first bristle-planting member including a first bristle-planting part having brush bristles planted on one side surface and installed to be able to pivot around a supporting axis; a second bristle-planting member having brush bristles planted on one side surface, including a second bristle-planting part arranged to be separated from the first bristle-planting part and installed to be able to pivot around the supporting axis; and a spring for elastically supporting the first bristle-planting member and the second bristle-planting member in opposite directions. |
