DIGITAL DOOR ROCK OF REFRACTORY STYLE

摘要

PURPOSE: A refractory type digital door lock is provided to prevent the conduction of heat by changing a rubber-based pad and a rolled steel sheet-based plate structure to form an air path layer. CONSTITUTION: A housing(10) includes a handle. A pad(20) is combined with the housing. The pad includes a first plane part and a first combining flange part. The first plate part includes a first hole. The first combining flange part is protruded from the edge part of the first plate part and is in contact with a refractory door. A plate(30) is combined with the pad and is combined with the housing using a screw. The pate is composed of a second plane part and a second combining flange part.