Starting device for engines

A starting device for engines comprising:

• a motor that generates torque;
• a pinion gear that moves in an axial direction and engages to a ring gear of an engine, and transmits the torque of the motor to the ring gear;
• a fixed iron core that includes a magnetic plate and a core part fixed to the magnetic plate;
• a solenoid device having a first coil that forms an electromagnet by energization, and pushes out the pinion gear to a ring gear side;
• and
• an electromagnetic switch having a second coil that forms an electromagnet by energization, and opens and closes a main point of contact disposed on a motor circuit by an attraction power of the second coil;
• wherein,
• the solenoid device and the electromagnetic switch are arranged integrally in series in an axial direction, while a magnetic plate that forms a part of a magnetic circuit between the first coil and the second coil is shared by the solenoid device and the electromagnetic switch;
• the first coil and the second coil are wound so that the directions of a current flow in the first coil and in the second coil are the same;
• a length of the second coil in the axial direction is shorter than a length of the first coil in the axial direction;
• and
• a surface of the core part attracts a plunger that is alongside the second coil such that the surface of the core part is pressed against the plunger in an axial direction relative to an end surface of a bobbin on a fixed iron core side of the second coil.