Paint brush for pipeline painting

The paint brush comprises a connecting piece, a first cavity and second cavities are formed in the connecting piece, the two second cavities are arranged on the outer side of the first cavity, a handle is connected into the first cavity, a roller frame used for installing a roller is connected into the second cavity, and the roller frame is connected with a handle. And an expected included angle is kept between the two rollers. And the working efficiency of pipeline painting can be improved. 本申请提出了一种用于管道涂漆的涂料刷，包括连接件，所述连接件内部构造有第一腔体和第二腔体，两个所述第二腔体布局在所述第一腔体的外侧，所述第一腔体内连接有把手，所述第二腔体内连接有用于安装滚筒的滚筒架，两个所述滚筒之间保持期望夹角。能够提高管道刷漆的工作效率。