A stepless speed control closes window device for in fire window

The utility model discloses a stepless speed control closes window device for in fire window, its including close the window subassembly and with close window subassembly complex elastic hinges, closethe first connecting rod that the window subassembly includes the slide rail, sets up slider in the slide rail, is connected with the slider, second connecting rod with first connecting rod is connected is equipped with microscler hole on the first connecting rod, the second connecting rod passes through the rivet and slides in microscler hole, still include temperature control device, temperature control device blocks that the slider slides in the slide rail. The utility model discloses a can window 0 not only be realized to the device 90 the casement is opened to the arbitrary angle degree,through the speed of the adjustable switching of elastic hinges, realizes the speed governing effect moreover. 本实用新型公开了种用于防火窗中的无级调速闭窗装置，其包括闭窗组件和与闭窗组件配合的弹性合页，闭窗组件包括滑轨、设置在滑轨中的滑块、与滑块连接的第连杆，与第连杆连接的第二连杆，第连杆上设有长形孔，第二连杆通过铆钉在长形孔中滑动；还