Wheel hub of protection tire

The utility model relates to a wheel hub of protection tire, including rim, bcad seats, rim, spoke, gas door hole, tank bottom portion, the outer fringe of rim on be provided with protection child portion, the external diameter of protection child portion is greater than the external diameter of rim, protection child portion be solid construction, and protect child portion extend to the spoke to the outside on, extend to the bcad seats to the inboard on, protection child portion with rim formula structure as an organic whole, the inboard circular arc portion that sets up and wait to adorn theouter arc radian unanimity of tire of protection child portion. Protection wheel hub's effect is played simultaneously on the side wall of protection tire, makes wheel hub have the ability of traveling after especially blowing out. 本实用新型涉及种保护轮胎的轮毂，包括轮辋，胎圈座，轮缘，轮辐，气门孔，槽底部，所述的轮缘的外缘上设置有保护胎部，保护胎部的外径大于轮缘的外径，所述的保护胎部为实心结构，且保护胎部向外侧延伸至轮辐上、向内侧延伸至胎圈座上；所述的保护胎部与所述的轮缘为体式结构；所述的保护胎部的内侧设置与待装轮胎的外弧弧度致的圆弧部。保护轮胎的胎侧，同时起到保护轮毂的作用，尤其是爆胎后使得轮毂具有行驶能力