Coating roll

The utility model discloses a coating roll, including the coating roll body, the equal fixed mounting in both ends has the connector about the coating roll body, there is the installation head at theouter terminal surface middle part of connector through bearing movable mounting, the mounting hole has all been opened with the outer terminal surface of installation head to the connector, it has the pivot to install first left end middle part fixed mounting, connector right -hand member face is opened there is the water inlet, the equal fixed mounting in terminal surface middle part has the rotary rod in the connector, open at the rotary rod middle part has the mounting groove, mounting groove inner chamber movable mounting has the installed part, installed part lower extreme fixed mountinghas the booster pump, open at coating roll body inner chamber middle part has water storage cavity, the water storage cavity lateral wall is opened has the apopore, through being equipped with coating roll body, connector, in