一种各用车轮外胎，由多个弧形金属轮节组成，各轮节的截面呈内侧开口的半筒形，开口的边缘有卡边，各轮节外铆接橡胶板。所述备用车轮外胎，便于携带、安装，装在漏气的原车轮之外，可继续行驶而不会进一步损坏原车胎。一种备用车轮外胎 An automobile wheel tire comprises a plurality of arc-shaped metal wheel sections, the section of each wheel section is a semi-cylinder with an inner side opening, a card edge is formed at the edge of the opening, and rubber plates are riveted outside each wheel section. The spare wheel tire is easy to carry and install and is installed outside the original wheel with air leakage, and can continue to run without further damage to the original tire. A spare wheel tire