DOOR FRAME STRUCTURE WITH COMPRESSION ROLLER SYSTEMS FOR NOISE SHIELD

摘要

PURPOSE: A soundproof structure for a sliding door using a pressing roller is provided to improve durability and soundproof performance by being installed in a door or a door frame. CONSTITUTION: A soundproof structure for a sliding door comprises an elastic support member(13), a main roller(12), an auxiliary roller(22), and an auxiliary pressing roller member(21). The elastic support member comprises a rotatable main roller and a spring. The elastic support member supports the main roller to be elastically expanded and contracted to the inner side of a first door(1). The main roller is installed on the closing side of the door capable of being elastically expanded and contracted. The auxiliary roller is projected form the closing side of a second door(2).