Industrial

Snow Defender

Extra Form

Country	CHINA
Year	2017
Award	WINNER
Affiliation	DALIAN NATIONALITIES UNIVERSITY
Designer	Jingchen Zhang, Ziao Lin, Jia Dong, Jiahao Wu, Song Qiao
Description(English)	Snow days are bad news for people who love to ride. Snow and ice will make the wheels slip, and people are unable to travel freely. This bicycle, Snow Defender, can switch modes between snow bike and land bike. It’s applicable to a lot of weather. Its central structure contains two auxiliary wheels which can be expanded in rotation. They increase the contact area and friction, which enables users to travel smoothly in snowy days and guarantees their safety.Usually, the bike can be used normally on land when the auxiliary wheels are retrieved. The dual-purpose concept bikes have broken the single-use scenario of traditional bikes.
Description(Native)	下雪天对于爱好骑行的人群可是一个坏消息,路面积雪和结冰都会让自行车轮打滑，不能出行。Snow Defender这款自行车可以在雪地自行车和陆地自行车之间转换，能适应多种天气。它的中心结构就是两个辅助轮能旋转展开，增大接触面积和摩擦力。让使用者在雪天也能顺利出行，保障人身安全。两个辅助轮位于轮子两侧，平时收回时，可在陆地上正常使用。两用概念自行车打破了传统自行车单一的使用情景，增加了新的功能让骑行体验更丰富。下雪天，道路上存在积雪并融化结冰，让普通的自行车轮胎极易打滑，无法前进，甚至出现交通危险。而目前的雪地自行车在平常的生活中又太笨重，不方便骑行，使用价值低。骑行者可以旋转旋钮，使内侧旋转槽转动。卡扣由于限位槽和旋转槽的路径限制向下移动，牵引着支架以及板状轮胎向中心收缩。雪地模式向内收缩，陆地模式向外扩张，两种模式相互切换，方便骑行。

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