Novel framework oil seal

The utility model relates to a novel framework oil seal which comprises a metal framework and sealing rubber, the metal framework is annular, the longitudinal cross section of the metal framework is of a half-inverted-T-shaped structure, the sealing rubber is arranged on the outer surface of the metal framework, the sealing rubber forms an outer diameter contact face on the outer side of the metal framework, and an inner diameter contact face is formed on the inner side of the metal framework. The inner diameter contact surface includes a dust portion, a primary sealing portion, and a secondary sealing portion. The structure is simple, installation is easy, reliability is high, and the sealing effect is good. 本实用新型涉及一种新型骨架油封，包括金属骨架和密封橡胶，金属骨架呈环形，金属骨架的纵向横截面呈半个凸字形结构，密封橡胶包括在金属骨架的外表面上，密封橡胶在金属骨架外侧形成外径接触面，在金属骨架内侧形成内径接触面，内径接触面包括防尘部分、主密封部分和副密封部分。结构简单，易于安装，可靠性强，且密封效果良好。