Offset control valve of high-pressure common-rail oil injector

The utility model belongs to the technical field of high-pressure common-rail oil injectors, and particularly relates to a deviation control valve of a high-pressure common-rail oil injector. A mounting groove is formed in the inner wall of the oil nozzle shell and is of a transversely-arranged T-shaped structure, the piston pad is pulled to slide in one end of the mounting groove, oil in the transfer cavity can be pumped into one end of the mounting groove, the top of the ejector rod is in a negative-pressure vacuum state instantly, and when the coil is powered off, the armature resets, and the oil in the transfer cavity is pumped into the mounting groove. The piston pad pushes oil at one end of the mounting groove into the transfer cavity again, meanwhile, under the restoring force of the first spring, the ejector rod can be pushed downwards, oil injection operation is achieved, oil injection thrust can be increased, scale deposition is avoided, injection is complete, and delay is reduced; the distance betw