Claw type hydrogen pump motor connecting disc

The utility model relates to a claw type hydrogen pump motor connecting disc which comprises a motor connecting disc body, the motor connecting disc body is in a disc shape, lug seats are arranged on the motor connecting disc body in an outward protruding mode in the circumferential direction, the lug seats are evenly distributed in the circumferential direction of the motor connecting disc body, and motor installation bolt through holes are formed in the lug seats in a penetrating mode. A gear box concave spigot and a motor concave spigot are arranged on the motor connecting disc body, the gear box concave spigot is matched with a gear box of the hydrogen circulating pump, and the motor concave spigot is matched with a convex spigot on a motor. According to the claw type hydrogen circulating pump adopting the motor connecting disc, under the condition that the requirement for lubrication can be met, the size of the lubricating cavity is smaller, and the amount of lubricating oil injected into the lubricating