Mortise and replacement lock for stores door

A mortise of a replacement lock for stores door, configured to be engaged with an outdoor component, an indoor component and a spindle passing through the mortise, the mortise comprising:

• a housing configured to be fixed and mounted within an installation space of a door panel;
• a deadlatch movably disposed within the housing;
• a drive sleeve configured to be engaged with the spindle and driven by the spindle to rotate in a first direction to drive a drive rod to move, and thereby retracting the deadlatch, the drive sleeve and the drive rod separately arranged, and the drive rod located on a rotation path of the drive sleeve, the drive rod rotatably connected to the deadlatch;
• a first reset component;
• and
• a second reset component, wherein when a driving force on the spindle is removed, the first reset component disposed on the drive sleeve drives the drive sleeve to rotate in a second direction opposite to the first direction to reset, thus separating the drive sleeve from the drive rod, and the deadlatch extends under an action of the second reset component connected to the deadlatch;
• wherein when the driving force is applied on the spindle, the drive sleeve is rotated to resist the drive rod, thereby driving the drive rod to move.