Oil return pipe sealing structure connected with supercharger, engine and vehicle

• Main Authors: QU XIAOSHEN, LI JIANGNAN, FU XIAOLEI, LI JIANG, FAN HUANCHENG
• Format: Patent
• Language: Chinese; English
• Published: 23.08.2022
• Subjects: ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES; BLASTING; COMBUSTION ENGINES; COMBUSTION ENGINES IN GENERAL; CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; INTERNAL-COMBUSTION PISTON ENGINES; LIGHTING; MECHANICAL ENGINEERING; WEAPONS

The utility model relates to an oil return pipe sealing structure connected with a supercharger, an engine and a vehicle, and belongs to the technical field of oil return pipes of superchargers. The sealing structure comprises an oil return pipe body, the surface, in butt joint with the supercharger, of the oil return pipe body is provided with at least two circles of coaxially-arranged annular grooves, a sealing ring is installed in each annular groove, and at least the sealing ring in the innermost annular groove is connected with the annular groove through a limiting structure so as to limit rotation of the sealing ring. According to the sealing structure, at least two layers of sealing rings are arranged on the oil return pipe body, and the sealing rings are installed in the annular groove through the limiting structures, so that the sealing effect between the oil return pipe body and the supercharger can be improved. 本实用新型涉及一种连接增压器的回油管密封结构、发动机及车辆，属于增压器回油管技术领域。该密封结构包括回油管主体，回油管主体与增压器相对接的表面设有至少两圈同轴设置的环形槽，每个