Blowing needle structure and cooling mold

The utility model discloses a blowing needle structure and a cooling mould, the blowing needle structure comprises a mounting seat, an insert and a blowing needle, and the mounting seat is used for being mounted on the cooling mould; the insert is mounted on the mounting seat and is provided with a mounting hole; the blowing needle is in interference fit with the mounting hole, so that the peripheral side face of the blowing needle is tightly attached to the hole wall of the mounting hole in the length direction, and the blowing needle is used for blowing in gas. According to the technical scheme, the cooling forming quality of the automobile plastic oil tank can be improved. 本实用新型公开一种吹针结构和冷却模具，其中，吹针结构包括安装座、镶件以及吹气针，安装座用于安装在冷却模具上；镶件安装于安装座，镶件设有安装孔；吹气针与安装孔过盈配合，使吹气针的周侧面沿长度方向紧密贴合安装孔的孔壁，吹气针用于吹入气体。本实用新型技术方案能够提高汽车塑料油箱冷却成型的质量。