Working machine including a motor accommodating part and a battery accommodating part

A working machine comprising:

• a working part;
• a body including a motor accommodating part;
• a fan accommodated in the motor accommodating part;
• and
• a motor accommodated in the motor accommodating part and configured to drive the working part and the fan,
• wherein the fan comprises:
• a disk plate including a circular opening defined at a center of the disk plate;
• a plurality of vanes attached to the disk plate;
• and
• a cover part, and
• wherein the plurality of vanes is covered by the disk plate and the cover part in an axial direction,
• wherein the cover part is fixed to the plurality of vanes,
• the working machine further comprises:
• a motor cover accommodating the motor,
• wherein fins protruding outward are disposed on an outer peripheral surface of the motor cover,
• wherein the motor cover is configured to cover the motor in the motor accommodating part,
• the motor cover comprises a waterproof structure that prevents entry of water,
• wherein the body comprises:
• a battery pack;
• a battery accommodating part configured to accommodate the battery pack;
• and
• a duct,
• wherein the battery accommodating part comprises a first air intake opening for intaking air from inside of the body into the battery accommodating part and a first air exhaust opening for exhausting air from the battery accommodating part to the inside of the body,
• the motor accommodating part comprises:
• a wall positioned on a first side of the motor in the axial direction and defining the motor accommodating part;
• and
• a second air intake opening disposed on the wall,
• wherein one end of the duct is connected to the battery accommodating part, and
• another end of the duct faces the second air intake opening on the first side of the second air intake opening,
• wherein an opening defined on a surface of the other end of duct has an opening area being one-third or more of an opening area of the second air intake opening, wherein the surface of the other end of duct faces the second air intake opening,
• wherein the body comprises a third air intake opening for intaking air from outside of the body to the inside of the body,
• wherein in a direction orthogonal to the axial direction, the battery accommodating part is disposed between the motor accommodating part and the third air intake opening, and
• wherein the working machine is a chainsaw.