Municipal isolation fence

The utility model relates to a municipal isolation fence which comprises an isolation fence body, one end of the isolation fence body is fixedly connected with a fixing block, the other end of the isolation fence body is fixedly connected with a rack, a first notch is further formed in the fixing block, a ratchet wheel is rotationally connected in the first notch, and a gear is coaxially and fixedly connected to the ratchet wheel. The gear is matched with the rack on the other isolation fence body for use; the rack is inserted into the fixing block through the cooperation of the rack, the gear and the ratchet wheel, so that the two isolation fence bodies can be mounted and dismounted only by pulling the check pawl to be not clamped with the ratchet wheel, and then the two isolation fence bodies are separated; according to the equipment, two adjacent isolation fence bodies can be quickly mounted or dismounted, time and labor are saved during mounting, dismounting is very convenient, and the mounting and dismou