Line passing hinge

The utility model discloses a line passing hinge belongs to the hinge field, aims at providing a line passing hinge, and its technical scheme main points are: a line passing hinge, is including setting up at the hinge body between interior window frame and the outer window frame, the hinge this internal be equipped with supply the wire from outer window frame get into in the interior window frameline knot structure, the utility model has the advantages that: the wire can pass through this internal line knot structure of crossing of hinge and follow in the outer window frame entering interiorwindow frame for the wire is difficult for exposing outside the door and window frame, reduces the wire and exposes to the weather the back because of the ageing potential safety hazard that leads tolong -time. 本实用新型公开了种过线合页，属于合页领域，旨在提供种过线合页，其技术方案要点是：种过线合页，包括设置在内窗框和外窗框之间的合页本体，合页本体内设有供导线从外窗框进入内窗框内的过线结构；本实用新型的优点是：导线可以通过合页本体内的过线结构从外窗框进入内窗框内，使得导线不易暴露在门窗框外，减少导线在长时间的风吹日晒后因老化而导致安全隐患。