Electric unlocking device for a push bar latch

An electric unlocking device for a push bar latch, comprising:

• a base frame having an external sliding slot;
• a linear motor having a stepping stud installed on the base frame, the stepping stud extends and retracts relative to the external sliding slot and is equipped with a stud return spring, and the head end of the stepping stud has a binding rod;
• an unlocking unit having a pair of side plate and an end plate arranged in the base frame, the pair of side plate has a pair of internal sliding slot relative to the external sliding slot, and the end plate has a non-circular hole;
• a binding unit having a limit oval head rivet and a non-circular barrel, the non-circular barrel sets through the non-circular hole and makes the limit oval head rivet arranged inside the unlocking unit, and makes the non-circular barrel combine with the binding rod, sleeves a buffer spring on the non-circular barrel;
• and
• an unlocking connecting rod, the outer end of the unlocking connecting rod is combined with a push bar returning unit, and the inner end is provided with an unlocking pin, the unlocking pin sets through the pair of external sliding slot and the pair of internal sliding slot.