Putty cutter

The utility model relates to a putty cutter which comprises a plate body, a connecting assembly and a handle, the connecting assembly comprises a first connecting part and a second connecting part, the first connecting part is connected with the second connecting part, and the end, away from the second connecting part, of the first connecting part is connected with the plate body. The end, deviating from the first connecting part, of the second connecting part is rotationally connected with the handle and fixed through a locking piece. The angle of the handle can be flexibly adjusted accordingto needs, so that the wrist fatigue of an operator is relieved. 本实用新型涉及一种腻子切割刀，其包括板体，连接组件和手柄，连接组件包括第一连接部和第二连接部，第一连接部与第二连接部相连，第一连接部背离第二连接部的一端与板体相连,第二连接部背离第一连接部的一端与手柄转动连接并通过锁紧件固定。本实用新型具有可根据需要灵活调整手柄的角度，进而缓减操作人员手腕疲劳的效果。