Double locked safety door barrier

A double locked safety door barrier, comprising a “U” shape door frame and a door leaf hinged inside the door frame and is opened or closed back and forth,

• wherein a switch housing is provided at an upper corner of a non-hinged side of the door leaf;
• an upper locking tongue and a lower locking tongue are respectively provided inside the switch housing and at a bottom of the door leaf,
• an upper locking buckle and a lower locking buckle corresponding to the upper locking tongue and the lower locking tongue are provided on the door frame,
• an upper unlocking component configured to drive the upper locking tongue to be retracted from the upper locking buckle, and a lower unlocking component configured to drive the lower locking tongue to be retracted from the lower locking buckle are respectively provided on the switch housing,
• wherein the lower unlocking component is connected to the lower locking tongue through a connector;
• the lower unlocking component is further provided with a two-way lock structure configured to drive the upper locking tongue to be retracted by pressing the upper unlocking component after pressing the lower unlocking component.