Soft smoke-blocking vertical wall with electromagnetic action

The utility model relates to the field of ceiling screens, in particular to an electromagnetic action soft ceiling screen which comprises a rotating shaft rotationally connected to a building and a fireproof curtain with one side edge connected to the rotating shaft, and further comprises an electromagnetic locking device connected with the rotating shaft. The electromagnetic locking device can limit rotation of the rotating shaft when powered on, a balancing weight is arranged on the side edge, away from the rotating shaft, of the fireproof curtain, and the balancing weight is used for increasing vertically-downward pulling force on the side face, away from the rotating shaft, of the fireproof curtain. The fireproof curtain has the effect that the situation that the fireproof curtain cannot be unfolded after a fire occurs is reduced. 本申请涉及挡烟垂壁领域，尤其涉及一种电磁作用的软质挡烟垂壁，其包括转动连接在建筑上的转动轴和一侧边连接在转动轴上的防火帘，还包括电磁锁紧装置，所述电磁锁紧装置与转动轴连接，并且所述电磁锁紧装置通电时能够对转动轴的转动进行限位，所述防火帘远离转动轴的一侧边设置有配重块，所述配重块用于对防火帘远离转动轴的一侧面提高竖直向下的拉力。本申请具有减少火灾发生后防