Surrounding type sealing device for building electrical pipeline

The utility model discloses a surrounding type sealing device for a building electrical pipeline. The sealing device comprises sealing rings, sealing strips, bolts, springs and sealing blocks, the sealing ring is an arc-shaped plate; the number of the sealing rings is four. The sealing rings are uniformly distributed around the circle center; a sealing strip is glued on the inner wall of the sealing ring; a spring is nested on the bolt; a sealing block is arranged between every two adjacent sealing rings; the sealing ring comprises a sealing ring plate, a locking plate, a locking hole and a sealing groove; locking plates are arranged at the two ends of the sealing ring plate; a locking hole is formed in the middle of the locking plate; a sealing groove is formed in the front side of the locking plate, the sealing strip is of a boss type arc-shaped structure and is made of rubber, the sealing performance of the joint of the electrical pipelines can be effectively guaranteed, the waterproof performance and the