Assembly type cam shaft

The utility model discloses an assembly type camshaft which comprises a camshaft body and a plurality of cams, the camshaft body comprises a plurality of cam mounting sections and a plurality of bearing sections, the cam mounting sections and the bearing sections are arranged at intervals, each cam mounting section is provided with two cams, and each cam is mounted on the camshaft body through a locking structure. The cross section of the cam mounting section is triangular, the cross section of the bearing section is cylindrical, and three corners of the triangle are in arc structure transition; the cam and the cam shaft are designed in a split mode and locked and combined through the locking structure, and the section of the cam installation section of the cam shaft is designed to be of a triangular structure, so that torque can be transmitted between the cam and the cam shaft. 本实用公开了一种装配式凸轮轴，包括凸轮轴和多个凸轮，所述凸轮轴包括多个凸轮安装段和多个承载段，多个凸轮安装段与多个承载段间隔设置，每个凸轮安装段上安装有两个凸轮，每个所述凸轮通过锁紧结构安装在凸轮轴上，所述凸轮安装段的截面呈三角形，所述承载段的截面呈圆柱形，且三角