Power tool

A power tool, comprising a main body, a power input shaft unit mounted at one end inside the main body, and a power output shaft unit mounted at another end inside the main body;

• a first axis being defined along a central position of the power input shaft unit, a second axis being defined along a central position of the power output shaft unit, the first axis and the second axis intersecting each other at 90 degrees, the main body having an elbow portion corresponding in position to the intersection of the first axis and the second axis, the power input shaft unit including a driving bevel gear extending into the elbow portion, the power output shaft unit including a driven bevel gear disposed axially in the elbow portion, the driving bevel gear and the driven bevel gear meshing with each other, characterized in that:
• an outer circumference of the elbow portion has a first plane parallel to the second axis and a second plane parallel to the first axis, the first plane is located between the second axis and the driving bevel gear, the second plane is located between the first axis and the driven bevel gear, the first plane and the second plane collectively define a recessed space, and
• the power output shaft unit further includes an oil absorbing member, an outer circumference of the driven bevel gear is provided with a plurality of teeth to mesh with the driving bevel gear, a central portion of an end face of the driven bevel gear is formed with a circular accommodating seat to accommodate the oil absorbing member, the driven bevel gear has a lubrication passage therein, and the lubrication passage extends from the position of the oil absorbing member to the position of the teeth.