The invention discloses a light truck tire with a lightweight tire bead structure, and relates to the field of all-steel tires. The tire bead part comprises a tire body, a steel wire ring, lower apex, upper apex and wear-resistant rubber, the outer end point of the wear-resistant rubber is higher than the upper end point of the upper apex, the ratio of the height of the outer end point of the wear-resistant rubber to the height of the section of the tire is 0.23-0.53, and the ratio of the height of the upper end point of the upper apex to the height of the section of the tire is 0.20-0.50. The outer end point of the wear-resistant rubber is raised to be higher than the upper end point of the upper apex so as to further reduce the thickness of the apex and reduce the height of the apex, so that the thickness of the tire bead is reduced, and stress concentration of the end points of all parts of the tire bead part due to too small difference level is avoided.

    本发明公开了一种具有轻量化胎圈结构的轻型卡车轮胎,涉及全钢轮胎领域;所述胎圈部包括胎体、钢丝圈、下三角胶、上三角胶、耐磨胶,所述耐磨胶外端点高于上三角胶上端点,所述耐磨胶外端点高度与轮胎断面高度的比值范围为0.23~0.53,所述上三角胶上端点高度与轮胎断面高度的比值范围为0.20~0.50。本发明通过提高耐磨胶外端点使其高过上三角胶上端点以进一步减薄三角胶厚度和降低三角胶高度,减薄胎圈厚度的同时避免了胎圈部各部件端点因差级过小应力集中。


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    Title :

    Light truck tire with light-weight tire bead structure


    Additional title:

    一种具有轻量化胎圈结构的轻型卡车轮胎


    Contributors:
    LI ZHULIN (author) / HUANG XUEHAI (author) / SHI JUN (author) / SUN XIAOMING (author)

    Publication date :

    2023-01-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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