| 摘要 |
A carrier roller comprises a carrier roller tube (1), a carrier roller shaft (7), a bearing seat (2) and labyrinth sealing structures at the both ends of the carrier roller tube (1). The labyrinth sealing structure comprises a sealing ring (5) and a sealing lid (3). A positioning flange edge (12) is mounted at the top edge of the bearing seat (2). A convex ring (4) and a clean device (9) are installed on the sealing ring (5). A sealing edge (3-1) of the sealing lid (3) is installed between the convex ring (4) and the clean device (9). |
