The invention provides a snowfield tire which is characterized in that a plurality of pattern units and a central pattern strip are arranged on a tread, each pattern unit is provided with a shovel-shaped outline, the axial outline of each pattern unit is provided with an arc curve, and the center of each arc curve is located in a tread area;a plurality of sipes are arranged on the pattern block ground planes in the pattern units in the axial direction, each sipe is provided with a circular opening head and a non-circular segment part, and the circular opening heads of the sipes in the same pattern block are located on the same straight line; segments connecting the circular opening heads are located on the circumferential front sides of the sequentially adjacent segments. According to thesnowfield tire provided by the invention, the tread pattern structure of the tire is optimized, so that the gripping performance of the snowfield tire is considered, and meanwhile, the tread pattern rigidity and the tire durability are improved.
本发明提供一种雪地轮胎,在胎面布置若干花纹单元和中心花纹条带,花纹单元具有铲状轮廓,其轴向轮廓具有圆弧曲线,且圆弧曲线的中心位于胎面区域内;花纹单元中的花纹块接地面设置有若干刀槽花纹,刀槽花纹沿轴向设置,刀槽花纹具有圆形的开口头部、非圆形的区段部,同一花纹块中刀槽花纹的圆形的开口头部位于一条直线上,连接圆形的开口头部的区段部位于依次相邻区段部的周向前侧。本发明提供的雪地轮胎,通过对轮胎的胎面花纹结构进行优化,兼顾雪地轮胎抓着性能的同时提升胎面花纹刚性和轮胎耐久性能。
Snowfield tire
雪地轮胎
2020-12-04
Patent
Elektronische Ressource
Chinesisch
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |