Drum washing machine

A drum washing machine, comprising:

• a washing machine housing, wherein a washing drum is disposed in the washing machine housing and comprises a front washing drum and a rear washing drum, wherein the front washing drum is sealedly connected to the rear washing drum, the rear washing drum is operative to rotate relative to the front washing drum, and the rear washing drum is operative to rotate along with a motor, wherein the front washing drum is stationary when the rear washing drum rotates along with the motor;
• and
• a sealing window pad, wherein a loading port is provided at a side of the washing machine housing, a door and window is arranged at the loading port, and the sealing window pad is disposed between the door and window and the front washing drum;
• wherein the front washing drum is connected to the rear washing drum via a rotary bearing, the rear washing drum is sleeved on an inner ring of the rotary bearing, the front washing drum is engaged with an outer ring of the rotary bearing, and a second sealing ring is arranged between the front washing drum and the rear washing drum;
• wherein a limiting ring having an F-shaped cross-section is disposed at a joint of the front washing drum and the rear washing drum;
• wherein the limiting ring comprises a first vertical limiting ring body, a first transverse limiting ring body disposed on top of the first vertical limiting ring body, and a second transverse limiting ring body parallel to the first transverse limiting ring body;
• and
• wherein the second sealing ring is disposed between the first transverse limiting ring body and the second transverse limiting ring body, the rotary bearing is disposed in a space formed by the first vertical limiting ring body, the second transverse limiting ring body, and an outer wall of the rear washing drum.