Rotor assembly and motor using same

• Main Author: PAN MINGPAN
• Format: Patent
• Language: Chinese; English
• Published: 16.06.2020
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; GENERATION

The utility model discloses a rotor assembly and a motor using the same. The motor comprises a rotating shaft, a rotor core, a permanent magnet and a plastic package body. The rotor core comprises a plurality of magnetic conductive blocks. A groove for mounting the permanent magnet is formed between every two adjacent magnetic conductive blocks; a central hole is formed in the middle of the rotorcore; the rotating shaft is arranged in the central hole through the plastic package body; the plastic package body enables the magnetic conductive block, the permanent magnet and the rotating shaft to be integrated through injection molding. a connecting section is arranged in the middle of the rotating shaft, knurled teeth and a plurality of annular grooves are formed in the surface of the connecting section, the annular grooves are distributed in one side or two sides of the knurled teeth, a plastic package body permeates into the annular grooves and tooth grooves of the knurled teeth in the injection molding proce