Novel no spring -loaded oil seal of high -speed operation of adaptation

The utility model provides a novel no spring -loaded oil seal of high -speed operation of adaptation belongs to the oil blanket field. It has solved the problem of sealing when current oil blanket can not satisfy high temperature, high pressure, the high -speed operation. This novel no spring -loaded oil seal of high -speed operation of adaptation is become by skeleton and rubber body group, be equipped with point form lip on the rubber body, and the lip is for becoming through the rotation of cutting rubber bodily form. This oil blanket is specially made for engine design, is applied to engine fore bearing department, and the lip passes through the rotation of cutting rubber bodily form, guarantees the sharp -pointed degree of lip, makes oil blanket installation back guarantee to become the line contact area with the axiform, according to the follow -up nature and the power of holding tightly of rubber body waist rubber, satisfies and realize sealed effect under the circumstances of high speed, high temperature to can satisfy cavity internal pressure.