Dynamic sealing structure of thermal management module

The invention discloses a dynamic sealing structure of a thermal management module, which comprises a joint and a ball valve, the ball valve is positioned on the axial side of the joint, the dynamic sealing structure further comprises a support, a spring, a sealing ring and a ball valve sealing ring which are arranged in an inner cavity of the joint, the support is in a hollow tube shape, and a limiting flange is arranged on the support. The inner wall of the connector is provided with a first limiting face on the side, away from the ball valve, of the limiting flange, the support is sleeved with the spring, the sealing ring and the ball valve sealing ring, the spring is located between the limiting flange and the first limiting face, the sealing ring is located on the side, facing the ball valve, of the limiting flange, and the ball valve sealing ring is located on the side, facing the ball valve, of the sealing ring. And the ball valve sealing ring is in sealing contact with the ball valve. The dynamic seal