Spiral sealing oil baffle structure

• Main Authors: FENG WEI, MA HAICHONG, DI HUIMING
• Format: Patent
• Language: Chinese; English
• Published: 20.09.2019
• Subjects: BLASTING; CYLINDERS; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; PISTONS; SEALINGS; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model discloses a spiral sealing oil baffle structure. The sealing device is provided with a sealing sleeve fixedly connected to a bearing box, the inner diameter surface of the sealing sleeve is provided with a contact type sealing ring, a spiral sealing tooth and an oil blocking tooth sheet which are matched with the rotating shaft; the contact type sealing ring is located on the outer side of the sealing sleeve, the spiral sealing tooth is located in the middle of the sealing sleeve, the oil blocking tooth piece is located on the inner side of the sealing sleeve, an oil blocking ring groove is formed in the outer circle of the inner side of the sealing sleeve, an oil collecting ring groove is formed between the spiral sealing tooth and the oil blocking tooth piece, and the oil collecting ring groove is provided with an oil return hole. An oil baffle ring fixedly connected with the rotating shaft is arranged on the inner side of the sealing sleeve; and a polytetrafluoroethylene coating is arrang