Press assembling tool for press assembling of valve retainer of engine cylinder head

The utility model relates to a press assembling tool for press assembling of a valve retainer of an engine cylinder head. A body of the press assembling tool is cylindrical, one section of the body is a guide while the other section of the body is a handle, the guide is matched with a valve guide pipe hole of the assembled cylinder head, a positioning boss is arranged between the guide and the handle, the outer diameter of the positioning boss is smaller than the inner diameter of the assembled valve retainer, a pressing head is arranged at an end of the handle, and the end face of the pressing head is an arc surface. The press assembling tool is reasonable in design, simple in structure, convenient in use, and capable of ensuring the valve retainer to be concentric with a valve retainer hole and ensuring stress uniformity during assembling. The assembling time of only 10-15s is needed when the press assembling tool is used for assembling the valve retainer of the cylinder head.