| 摘要 |
PURPOSE: A cleaning brush is provided to facilitate a brush body and channel to be welded and to prevent the welding part from being separated easily. CONSTITUTION: The cleaning brush includes a body(23) formed by a light metal to have a shape of a round rod having a diameter in which both side ends are smalls than a middle part, and a brush body means(21) composed of a first liner(25) of cylindrical inserted in both side ends, a rotary shaft(31) processed to be a unified body at both sides, and a rotation axis means(29) composed of a secondary liner(33) formed by a metal of high hardness to be inserted to cover the surface of the body, a channel(37), in which the cross section is formed into a longitudinal direction to have the shape of '��, a floor side is adhered closely to on an outer side of the brush body means in the shape of screw, and both sides are fixed and attached to the first liner, and a cleaning means(35) composed of brush hairs folded and packed to have the same ends of both sides within the channel, and of a fixing unit(38) inserted at the folded part of the brush hairs in a long queue formed into the longitudinal direction.
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