Auto-open door lock apparatus for home appliance

An auto-open door lock device comprising a main body cover having an internal space and a motor installed in the main body cover to provide a driving force, the auto-open door lock device comprising:

• a locker configured to couple to or separate from a hook that is introduced from an outside through rotation;
• a locker shaft having one end connected to the locker and formed at the center of rotation of the locker;
• a clutch gear configured to connect to another end of the locker shaft and to induce rotation of the locker;
• a locker spring configured to connect to one side of the locker and to provide a rotational restoring force to the locker;
• a rack slide configured to provide a rotational force of the motor to the locker through the clutch gear;
• and
• a pinion gear configured to transmit the rotational force of the motor to the rack slide,
• wherein the rack slide comprises:
• a first rack gear configured to engage with the clutch gear in a predetermined area at one end;
• a second rack gear configured to engage with the pinion gear in a predetermined area at another end;
• and
• a micro switch formed between the first rack gear and the second rack gear,
• wherein the other end of the locker shaft is formed with a pawl that protrudes from a predetermined area of the outer peripheral surface of a cylindrical column and the pawl is configured to engage with a latch that protrudes from a predetermined area of the inner peripheral surface of the clutch gear.