Stop ring easy to disassemble and assemble for shaft

The utility model relates to the technical field of check rings, and discloses a shaft check ring easy to disassemble and assemble, which comprises a first check ring and a second check ring, the right side of the first check ring is provided with the second check ring, the first check ring and the second check ring are both internally provided with limiting grooves, and the limiting grooves are arranged in the first check ring and the second check ring. A telescopic device is arranged in the limiting groove, a first connecting block and a second connecting block are fixedly connected to the front surface of the first check ring and the front surface of the second check ring correspondingly, first mounting grooves are formed in the first connecting block and the second connecting block correspondingly, and screws are arranged in the first mounting grooves; the telescopic device can adjust the length of the telescopic rod according to different diameters of the bearings, first mounting grooves and screws forme