Low damping sliding support's fire window

The utility model discloses a low damping sliding support's fire window, it includes window frame, casement, the sliding support of setting between window frame and casement, its characterized in that, sliding support includes: the slide rail, in the slide rail gliding slider, first cantilever, second cantilever, third cantilever, trailing arm, a rachis of first cantilever is even to the slider on, another rachis of first cantilever is even to the trailing arm on, on the one end of second cantilever was connected to the slide rail, another rachis of second cantilever was even to the first cantilever on, on the one end of third cantilever was connected to the slide rail, even to the free end of trailing arm on, the third cantilever was shorter than second cantilever for another rachis of third cantilever. The utility model discloses fire window sliding support's damping is lower, can easily open and close the fire window. 本实用新型公开了种低阻尼滑撑的防火窗，其包括窗框、窗扇、设置在窗框和窗扇之间的滑撑，其特征在于，滑撑包括：滑轨、在滑轨中滑动的滑块、第悬臂、第二悬臂、第三悬臂、托臂，第悬臂的端轴