Anti-falling permanent magnet rotor of direct current permanent magnet brushless motor

• Main Authors: LIU QING, ZHU XINLI, LIU ZUNYUN, SUN PU, YANG JINRUI, ZHU XINGUI, YUAN CUNLIN, CHEN RUTAO
• Format: Patent
• Language: Chinese; English
• Published: 13.12.2022
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; GENERATION

The utility model relates to the technical field of permanent magnet rotor protection, and discloses an anti-drop direct current permanent magnet brushless motor permanent magnet rotor, which comprises a shell, a heat dissipation cover and a main shaft, the outer surface of the main shaft is slidably connected with a first bearing and a fixed sliding block, the outer surface of the first bearing is provided with a sliding groove, and the fixed sliding block is provided with a fixed sliding block. The outer surface of the main shaft is sleeved with a spring, the inner surface of the shell is fixedly connected with a coil, the outer surface of the middle of the main shaft is fixedly connected with a permanent magnet, the outer surface of the permanent magnet is sleeved with a protection fixing cylinder, one end of the protection fixing cylinder is fixedly connected with a fixing cover, and the other end of the protection fixing cylinder is fixedly connected with a bearing. Limiting rings are fixedly connected t