摘要：【中文】本发明公开了一种用于轮胎内支撑的支架环，所述支架环由四个支架单元相互配合组装后形成环状结构，所述支架单元顶部具有支撑面，所述支架单元顶部向底部收敛，收敛部分为支撑部，所述支撑部远离所述支撑面的一侧具有接触面。该支架环，能在轮胎破漏后起到缺气保用的作用，从而保证车辆不失控，安全行驶到合理位置再进行必要的轮胎更换，同时它能适用所有乘用车辆的缺气保用要求，安装简单便捷，适应能力强，不影响传统轮胎生产工艺。 【EN】The invention discloses a support ring for an inner support of a tire, which is formed into an annular structure by mutually matching and assembling four support units, wherein the top of each support unit is provided with a support surface, the top of each support unit is converged towards the bottom, the convergent part is a support part, and one side of the support part, which is far away from the support surface, is provided with a contact surface. The support ring can play a role in run-flat after the tire is broken and leaked, so that the vehicle is not out of control, the vehicle can safely run to a reasonable position and then necessary tire replacement is carried out, meanwhile, the support ring can meet the run-flat requirement of all passenger vehicles, the mounting is simple and convenient, the adaptability is strong, and the traditional tire production process is not influenced.