Escape ball

The utility model provides an escape ball. The escape ball comprises a ball shell, wherein an opening is formed in the top of the ball shell; a ball neck ring and a sealing cover are arranged at the opening; the sealing cover is hinged on the ball neck ring and is locked on the ball neck ring by a locking device; seal rings are arranged at the joints, on the sealing cover, of the sealing cover and the ball neck ring; a plurality of air holes are also formed in the sealing cover; a breathing tube is connected with each air hole; the breathing tubes extend upwards and the tops of the breathing tubes bend downwards to ensure water drops to be discharged automatically; cilia are arranged in the ends of the breathing tubes; waterproof grease for preventing the water drops to enter is coated on the surfaces of the cilia; three foot balls for keeping the ball body stable are uniformly distributed at the bottom of the ball shell; and quants for providing advancing power are arranged in the centers of the foot balls.