Shockproof gear

The utility model relates to the field of gears, and discloses a shockproof gear which comprises a gear body, a liquid discharging groove is formed in the gear body, a plurality of threaded liquid inlet holes communicated with the liquid discharging groove are formed in the outer wall of the gear body, and sealing caps are connected into the threaded liquid inlet holes in a threaded mode. According to the novel shockproof gear, when the two gear bodies rotate in a meshed mode, the ejector rods at the meshed position can be mutually extruded, the ejector rods completely eject the sealing rods into the liquid containing grooves, the sealing rods are not prone to falling off, and therefore the gear bodies are prevented from falling off, and the service life of the gear bodies is prolonged. When the gear body rotates, lubricating oil in the liquid discharging groove flows out of the liquid outlet hole to lubricate the gear body, and after the gear body rotates through the position, the spring enables the sealing