Rotary joint of rotor assembly outer pipe structure

The utility model relates to a rotary joint of a rotor assembly outer pipe structure, which relates to the technical field of mechanical seal, and comprises an end enclosure, a sliding bearing, a left static ring, a large sealing gasket, a static ring connecting screw, a shell, a transition ring, a first rotor sealing ring, a wedge-shaped ring, a spring mandrel, a spring, a spring seat, a spring mandrel with a pin, a rotor assembly outer pipe, an O-shaped ring, a second rotor sealing ring, a small sealing gasket, a right static ring, a hexagon head bolt, a bearing block and a stop pin, wherein a rotor sealing ring seat is welded on the rotor assembly outer pipe, and the stop pin is additionally arranged on the rotor sealing ring seat; one side of the rotor sealing ring is a plane and is axially contacted with the stop pin, and the other side of the rotor sealing ring is a spherical surface and is contacted with the transition ring; and a sealing part is additionally sealed by the rubber sealing O-shaped ring. The rotary joint has the beneficial effects of simple structure and low process difficulty, and is convenient to process, repair and replace.