Oil injection structure and gear body

The utility model relates to the technical field of gear oil injection, and particularly discloses an oil injection structure and a gear body, which are characterized in that a baffle is arranged in an oil injection cylinder, a spring is arranged on the surface of the baffle, a sealing plate is arranged at one end of the spring, a sealing gasket is arranged on the surface of the sealing plate, an oil injection end is arranged at one end of the oil injection cylinder, and a second oil injection end is arranged at the other end of the oil injection cylinder; the gear oiling device has the beneficial effects that when a gear needs to be oiled during use, firstly, oil is poured into the oiling barrel from the oil inlet; when some complex structures of gears need to be oiled, the oiling end can be aligned with the oiling position to press the telescopic rod to enable the sealing plate at one end of the telescopic rod to move so that oil in the oiling cylinder can flow out of the oiling end, and when the amount of