Hair ball trimmer

The utility model discloses a hair ball trimmer which comprises a front shell, a knife net fixing seat, a trimming knife net, a telescopic spring, a rear fixing seat, a transmission motor, a main body shell, a PCB (Printed Circuit Board), a built-in power supply, a decorative ring, a blade connecting shaft, a trimming blade, a handle shell, a magnet fixing seat, a rolling brush switch, a rolling brush shaft and a rolling brush button, a protrusion arranged in the front shell is clamped in a groove in the knife net fixing seat, and a trimming knife net is arranged in the knife net fixing seat. According to the utility model, the arranged telescopic spring elastically acts on the knife net fixing seat to enable the knife net fixing seat to be attached to the interior of the front shell, and generated vibration is buffered by extruding and stretching the telescopic spring; shock insulation is conducted through the telescopic springs, noise generated by trimming the net is reduced, and the use experience of a use