| 摘要 |
The present invention relates to a sealing device for a drive shaft. The sealing device for a drive shaft, according to the present invention, comprises: a housing disposed to surround the drive shaft between the inner space and the outer space; a plurality of sealing members axially separated from each other between the housing and the drive shaft to seal between the housing and the drive shaft; fixing ring members interposed between the plurality of sealing members to maintain the separation distance between the sealing members; and a fixing member secured to the housing to apply an axial pressure to the plurality of sealing members and fixing ring members, wherein a concave-convex section is formed on at least one of the close surfaces of the fixing ring member and the sealing member, which face each other. |
