Door auto closing structure of 2 rail 3 slide door showcase using self-winding spring

摘要

The present invention provides a door automatic closing structure of a two-rail three slide door showcase using a spring.;The door self-closing structure is a showcase having three slide doors 110, 120, and 130 for hermetically opening and closing the front opening of the storage space by sliding in the left and right directions for storing and withdrawing the stored object in the storage space. A spring comprising: a spring unit assembly (210, 220, 230) fixedly installed inside the upper frame (101) and having an auxiliary strip (225) wound therein by the spring of the spring (224); A through hole formed in the upper frame 101 and the upper slide guide member 105 to allow the auxiliary strip 225 to pass therethrough; In addition, one end is fixed to each slide door (110, 120, 130), the other end is characterized in that it comprises an auxiliary strip 225 connected to the spring spring 224.