Building wall pipeline grooving device

The utility model discloses a building wall pipeline grooving device, and particularly relates to the technical field of building construction, the building wall pipeline grooving device comprises a device body, the middle part of the rear end of the device body is fixedly connected with a first handle, the rear part of the lower end of the first handle is fixedly provided with a switch, and the front part of the upper end of the device body is fixedly connected with a second handle; a protective shell is fixedly installed on the front portion of the right end of the device body, and a cutting knife is movably installed in the protective shell on the front portion of the right end of the device body. According to the building wall pipeline grooving device, through the arrangement of the adjusting assembly and the limiting assembly, the adjusting assembly can drive the concave plate to be adjusted up and down through the threaded rod, then the cutting depth of the cutting knife is changed, the grooving depth c