Surface water spraying splash-proof type aluminum oxide ceramic roller

The utility model discloses a surface water spray splash-proof aluminum oxide ceramic roller, which comprises a ceramic roller body, two ends of the ceramic roller body are connected with ejector rod devices, the connecting parts of the ejector rod devices and the ceramic roller body are conical, the ejector rod devices are sleeved with protective covers, the protective covers are fixed in the middle sections of the ejector rod devices, and the protective covers are fixed in the middle sections of the ejector rod devices. The center of the inner side of the protective cover is a concave hollow body, roller bodies at the two ends of the ceramic roller body are correspondingly nested in the concave hollow bodies on the inner side of the protective cover respectively, the protective cover covers the two ends of the ceramic roller body in an annular cover body shape, and a protective soft rubber mat is further installed on the inner side wall of the protective cover. By means of the mode, the aluminum oxide ceram