| 摘要 |
A heat sink structure of a safety helmet includes an inner helmet provided inside the helmet shell; a lining provided inside said inner helmet with the top of said lining indicating an opening; and a resilient provided between said inner helmet and said lining, with an air circulation space formed between the resilient mesh and the inner helmet; said resilient mesh holds against the top of the rider's head and contacts the rider's forehead allowing the cooler, ambient air(wind) enter into said air circulation space through the gap between the rider's forehead and the mesh to form a free circulation of air, resulting in good air ventilation and heat dissipation, so that the rider feels easy and comfortable wearing the safety helmet.
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