Window sash structure

The invention relates to the technical field of building doors and windows, and provides a window sash structure. The window sash structure comprises a frame and a plurality of sets of vertical rods,wherein a part of the vertically-arranged adjacent vertical rods are arranged at equal intervals, and the distance between the other part of vertically-arranged adjacent vertical rods is set in the mode of being 1-3 times the equal intervals; the adjacent two or more vertical rods are connected together through a plurality of layers of horizontally-arranged connecting sheets, wherein each layer comprises the multiple corresponding connecting sheets which are located in the same horizontal line and arranged at intervals; the interval between the up-down adjacent layers of connecting sheets is gradually increased from top to bottom; and the up-down layers of connecting sheets are arranged in a staggered mode. The window sash structure has the beneficial effects that though the arranging modeof the connecting sheets,