Injection molding sliding type steering intermediate shaft

The utility model relates to an injection molding sliding type steering intermediate shaft. The steering intermediate shaft comprises a first universal joint assembly, a sliding adjusting assembly and a second universal joint assembly which are sequentially connected. The first universal joint assembly comprises a first joint fork, a first cross bearing and a second joint fork; the first joint fork is connected with the second joint fork through a first cross bearing; the sliding adjusting assembly comprises a spline shaft, an integrated joint fork pipe and a plastic layer located on the surface of the integrated joint fork pipe. A through hole for fixing a bolt is formed in the joint of the second joint fork and the spline shaft; the second universal joint assembly comprises a second cross bearing and a third joint fork; and the integrated joint fork pipe is connected with the third joint fork through the second cross-shaped bearing. Compared with the prior art, a welding-free mode is adopted, the yoke and t