Automobile engine high pressure sheath injection mould

The utility model discloses an automobile engine high pressure sheath injection mould, including a plurality of mould monomers that set up side by side, just the mould monomer includes a lower bolster, just the both sides of lower bolster are equipped with a roof and a cope match -plate pattern respectively, also include two first cores and a second core, just the first core one end is all overlapped and is located in the second core, also include a pipeline, its intercommunication the free second core of each mould. The utility model discloses a periphery diameter that second core and the first core cup jointed the fourth portion of cooperation and the first core is greater than can effectually prevent the both ends flash with the triregional periphery diameter design of fourth portion junction for the kind of condition is effectively controlled, can clear up the overlap in the die cavity fast, and ripe overlap can be effectively stopped and the sheath is sneaked into, front and back both ends edge sealing anti -overflow material structure, but can make utility model's life longer, the structure is more stable.