Seal chamber door of mine refuge chamber

A seal chamber door of a mine refuge chamber relates to a mine refuge chamber for rescuing people in mine disaster and comprises a door plate, wherein seal bars matching with a chamber door frame are installed on the outer periphery of the inner surface of the door plate. The seal chamber door is characterized in that swing bolts are arranged on two sides of the inner surface of the door plate, at least two swing bolts are arranged on each side of the door plate and are hinged with a transmission bar, the transmission bars on two sides are hinged with a synchronous swing device through connection bars, and the synchronous swing device is connected with an inner handle and an outer handle which are respectively arranged on the inner surface and the outer surface of the door plate and connected coaxially. The outer handle and the inner handle are arranged coaxially, so that the seal chamber door can be opened from the inside and the outside of the refuge chamber conveniently. The swing bolts improve seal performance of the seal chamber door. The overall seal chamber door of the mine refuge chamber adopts simple mechanical transmission structure to realize reliable opening and closing effects.