Rubber sealing ring for shield segment
The utility model discloses a rubber sealing ring for a shield segment. The sealing structure comprises two shield segments and a sealing ring, the sealing ring comprises a first sealing ring, circular grooves are formed in the side edges of one ends of the two shield segments; two ends of the first...
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| Hauptverfasser: | , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | The utility model discloses a rubber sealing ring for a shield segment. The sealing structure comprises two shield segments and a sealing ring, the sealing ring comprises a first sealing ring, circular grooves are formed in the side edges of one ends of the two shield segments; two ends of the first sealing ring are respectively embedded into the two circular grooves and are fixedly connected withthe two circular grooves; a second sealing ring connected into a whole is fixedly arranged on one side of the first sealing ring; a third sealing ring connected into a whole is fixedly arranged on one side of the second sealing ring; a fourth sealing ring connected into a whole is fixedly arranged on the other side of the first sealing ring; a fifth sealing ring is fixedly arranged on one side ofthe fourth sealing ring; according to the rubber sealing ring for the shield segment, due to the arrangement of the first seal and the circular groove, the tortuosity of the sealing ring and the connecting position is improve |
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