Bidirectional sealing structure and rotating shaft and roller sealing system using same

• Main Authors: YANG ZHANLI, ZHANG HAITAO, WU XUCAN
• Format: Patent
• Language: Chinese; English
• Published: 07.06.2024
• 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; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; PERFORMING OPERATIONS; PISTONS; PUNCHING METAL; ROLLING OF METAL; ROTARY BODIES OTHER THAN GEARING ELEMENTS; SEALINGS; SHAFTS; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS

The utility model relates to the technical field of sealing equipment, and discloses a bidirectional sealing structure which comprises a framework oil seal and an axial sealing part integrally arranged with the framework oil seal. The framework oil seal comprises a seal body, and the section of the seal body is in a groove shape. The sealing body comprises a radial sealing lip, the radial sealing lip is arranged close to one end of the sealing body notch, and the other end of the sealing body notch extends outwards to be provided with an axial sealing part. The axial sealing part comprises a connecting part obliquely arranged towards the side away from the groove bottom of the sealing body and an axial sealing lip integrally arranged with the connecting part, and the axial sealing lip is bent relative to the connecting part. The axial sealing part is arranged on an existing framework oil seal in an extending mode, the axial sealing part is attached to the outer diameter of the framework oil seal in a rotating