Composite structure of inner-diameter three-lip adhesive dust cover and outer-diameter three-lip adhesive dust cover

• Main Authors: WU SHOUZHONG, CHEN BIN, CHEN XUMING
• Format: Patent
• Language: Chinese; English
• Published: 08.07.2022
• Subjects: BEARINGS; BLASTING; 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; ROTARY BODIES OTHER THAN GEARING ELEMENTS; SHAFTS; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model discloses an inner diameter three-lip glued dust cover and outer diameter three-lip glued dust cover composite structure which comprises an inner diameter three-lip glued dust cover, a first annular framework, a first annular sealing piece, a first rubber sealing ring, an outer diameter three-lip glued dust cover, a second annular framework, a second annular sealing piece and a second rubber sealing ring. The inner-diameter three-lip adhesive dust cover and the outer-diameter three-lip adhesive dust cover are matched with each other, the inner-diameter three-lip adhesive dust cover comprises a first annular framework, a first annular sealing piece and a first rubber sealing ring, the inner ring of the first annular framework is provided with the coaxial first annular sealing piece, and the outer ring of the first annular framework is provided with the coaxial first rubber sealing ring. According to the utility model, the outer diameter part of the first outer ring folding edge, the large dia