Sealing device

• Main Authors: SAKANO YUYA, TARUKAWA YUICHI
• Format: Patent
• Language: Chinese; English
• Published: 30.12.2022
• Subjects: BEARINGS; BLASTING; CYLINDERS; ELEMENTS OR CRANKSHAFT MECHANISMS; ENGINEERING ELEMENTS AND UNITS; FLEXIBLE SHAFTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; PISTONS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; SEALINGS; SHAFTS; THERMAL INSULATION IN GENERAL; WEAPONS

The sealing device has a first sealing member and a second sealing member. The first sealing member has a sleeve and a flange mounted to the inner member. The second seal member has a tubular portion attached to the outer member, a disk portion facing the flange, a radial lip slidably contacting the sleeve, and a side lip extending from the disk portion toward the flange and slidably contacting the flange. The first seal member has an annular first protrusion protruding from the flange toward the disk portion of the second seal member. The first protrusion is disposed radially outward of the side lip and radially overlaps the side lip. The second seal member has an annular second protrusion protruding from the disk portion toward the flange of the first seal member. The second protrusion is disposed radially outward of the first protrusion and radially overlaps the first protrusion. 密封装置具有第一密封构件以及第二密封构件。第一密封构件具有安装在内侧构件的套筒和凸缘。第二密封构件具有安装在外侧构件的管状部、与凸缘相对的圆板部、能够滑动地与套筒接触的径向唇和从圆板部朝向凸缘延伸并能够滑动地与凸缘接触的侧唇。第一密封构件具有从凸缘朝向第二