Insulation structure for rail transit platform screen door

The utility model provides an insulation structure for a rail transit platform screen door. The insulation structure mainly consists of a base, an insulation layer, a connecting piece, an insulation sleeve, an anchor bolt, a door sill, an insulation partition, an insulation support frame and an insulation rubber layer, wherein the outer surface of the connecting piece is wrapped with the insulation layer; the bottom of the connecting piece is anchored on the base; the top of the connecting piece is connected with the door sill by virtue of the insulation sleeve and the anchor bolt; insulation isolation joints are formed between the connecting piece and a platform ground decorative layer and between the door sill and the platform ground decorative layer; the insulation support frame and the insulation partition are arranged in the insulation isolation joints, so that a door body and the platform ground decorative layer are isolated; clearances of the insulation rubber layer is formed by the insulation isolation joints in a casting mode. The insulation structure is good in insulation effect, restorable in insulation, simple and convenient in installation, permanent and effective in insulation, free from influences of moisture, dust, carbon adsorption and the like and easy for overhaul and maintenance during an operation period, thereby ensuring safe operation in deed.