A self-propelled massage mechanism capable of arbitrarily changing a reclining angle, comprising: a folding chair and a massage mechanism, wherein the massage mechanism synchronizes the two spindles to achieve synchronization of the first and second massage units and the two displacement groups via a single drive motor Actuation, and the two displacement groups are equipped with two driven gears and a passive gear to be meshed and displaced along the two webbings, eliminating the limitation of the arrangement of the rails, so that the massage mechanism can be mounted on a folding chair with the two webbings, not only Depending on the characteristics of the folding chair, changing the ride reclining angle arbitrarily helps to improve the versatility of the massage mechanism, and can be folded with the folding chair without the limitation of the rail, thereby greatly reducing the structural volume for the user to receive. Place.一種可任意變更仰躺角度之自走式按摩機構，其包含：一折疊椅以及一按摩機構，該按摩機構係經由單一驅動馬達連動二心軸達到第一、二按摩單元以及二位移組的同步作動，且二該位移組皆以二驅動齒輪搭配一被動齒輪而可沿著二織帶嚙合位移，免去軌道的配置限制，令該按摩機構可搭配二該織帶安裝於一折疊椅上，不僅可隨著摺疊椅的特性任意變更乘坐仰躺角度，有助於提升按摩機構之使用變化性，在沒有軌道的限制下還能隨著摺疊椅進行摺收，大幅降低結構體積，以利於使用者收納放置。
