Sleeve of integrated injection umbrella skirt external insulation structure

The utility model discloses a casing pipe of an integrated injection umbrella skirt external insulation structure, which comprises an epoxy casing pipe core body, a core body flange and an injection umbrella skirt group, the core body flange is fixedly sleeved on a flange installation step at the front section of the epoxy casing pipe core body, and the injection umbrella skirt group is fixedly sleeved on umbrella skirt installation areas at the middle section and the rear section of the epoxy casing pipe core body. According to the utility model, a single umbrella skirt does not need to be adhered to the outer surface of the epoxy core body or a hollow composite jacket does not need to be additionally arranged, so that the sealing performance and the production efficiency of the sleeve are improved. 本实用新型公开了一体化注射伞裙外绝缘结构的套管，它包括环氧套管芯体、芯体法兰和注射伞裙组，芯体法兰套接固定在环氧套管芯体前段的法兰安装台阶上，注射伞裙组套接固定在环氧套管芯体中段和后段的伞裙安装区。本实用新型不需要在环氧芯体外表粘接单片伞裙或加装空心复合外套，提高了套管的密封性能和生产效率。