| 摘要 |
PURPOSE: A roller structure of a hermetic rotary compressor is provided to minimize the loss of friction between a roller and an upper and a lower bearing upon a compression process. CONSTITUTION: A roller forms an insert hole(100A) inserted on an outside of an eccentric part in a crank shaft. Herein, the insert hole is formed to penetrate through a tapered hole of which upper part is narrow and lower part is wide. The entire size, the height of an outer shape and the inner diameter of a lower side, is formed into the identified shape with the existing roller. The inner diameter of an upper side in the insert hole is formed smaller than the inner diameter of a lower side so that the diameter of the roller(100) is formed smaller. Accordingly, as the inner diameter of the roller is small, the loss of friction in the roller is small.
|
