Plugging mechanism for cable threading pipe

The utility model discloses a plugging mechanism for a cable threading pipe, which comprises a threading pipe, a rainproof cap is arranged on the threading pipe, a cable penetrates through the threading pipe and the rainproof cap, an explosion-proof layer is arranged at the connection position of the rainproof cap and the threading pipe, and a preliminary sealing layer is arranged below the explosion-proof layer; sealing can be well completed through the rainproof cap, the explosion-proof layer and the preliminary sealing layer, the situation that rainwater flows into the threading pipe along the cable is avoided through the three waterproof layers on the upper portion, and the safety of electricity utilization is improved. And the whole structure is simple and practical, and the use requirements are well met. 本实用新型公开了一种用于电缆穿线管封堵机构，包括穿线管，所述穿线管的上设置有防雨帽，电缆穿过所述穿线管和所述防雨帽，所述防雨帽和所述穿线管连接位置设置有防爆层，所述防爆层的下方设置有初步密封层；通过防雨帽、防爆层和初步密封层能够很好的完成密封，通过上方的三层防水设置，不会造成雨水顺着电缆流入穿线管内的情况，提高了用电的安全性。而且整个结构简单实用，很好的满足了使用要求。