Threading device for building electrical engineering

The utility model provides a threading device for building electrical engineering, which belongs to the technical field of engineering threading and comprises a hose. The telescopic pipe is fixedly connected to the outer surface of the hose; the spring hole is formed in the telescopic pipe; the line pipe is arranged at one side end of the hose; the telescopic spring is fixedly connected into the spring hole; the electric wire is arranged in the wire pipe; and the connecting structure is arranged on one side of the hose, and thrust can be provided for the front end of the hose to help the hose to penetrate through the threading hole to complete threading when the hose is pushed in the rear through the elastic force of the telescopic spring. 本实用新型提供一种用于建筑电气工程用穿线装置，属于工程穿线技术领域，该用于建筑电气工程用穿线装置包括软管；伸缩管，伸缩管固定连接于软管的外表面；弹簧孔，弹簧孔开设于伸缩管内；线管，线管开设于软管的一侧端；伸缩弹簧，伸缩弹簧固定连接于弹簧孔内；电线，电线设于线管内；连接结构，连接结构设于软管的一侧，通过伸缩弹簧的弹力使在后方对软管进行推动时可为软管的前端提供推力帮助软管和穿过穿线孔完成穿线。