Thread-floating and thread-jamming preventing long-axis rotating shuttle

The utility model discloses a thread-floating and thread-jamming preventing long-axis rotating shuttle and aims at overcoming the shortcoming that a rotating shuttle in the prior art is easily subjected to thread jamming and thread floating problems. The thread-floating and thread-jamming preventing long-axis rotating shuttle comprises a shuttle core, a shuttle core sleeve, a shuttle frame and a shuttle race, wherein a rotary shaft is sleeved by a fixed loop, and the surface of the fixed loop is provided with a loop rack. One side of a thread guiding piece close to the rotary shaft is in rotary connection with a shifting fork, the shifting fork comprises two parallel fork rods, two fork rods clamp the thread guiding piece, and the shifting fork is provided with a swing rod. The inner side of the tail end of a ring is in sliding connection with a triangular slide piece, the slide piece is fixedly connected with a circular-arc rack concentric with the shuttle race, and the tail end of the circular-arc rack is i