High-temperature-resistant sealing assembly of oil pump

• Main Authors: KE XING, ZHANG CHENGHUAI, PAN JINSONG
• Format: Patent
• Language: Chinese; English
• Published: 17.03.2023
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS; WEAPONS

The utility model relates to the technical field of gear oil pump sealing, in particular to a high-temperature-resistant sealing assembly of an oil pump, which comprises a first communicating pipe, a second communicating pipe is arranged at the front end of the first communicating pipe, a sealing ring shell is embedded in the inner side of the rear end of the second communicating pipe, and the sealing ring shell is clamped with the first communicating pipe. A first sealing strip is arranged on the inner side of the interior of the sealing ring shell, a second sealing strip is arranged on the outer side of the interior of the sealing ring shell, limiting springs are arranged on the outer side of the first sealing strip and the outer side of the second sealing strip correspondingly, and the limiting springs are fixedly connected with the sealing ring shell. The layered metal ring shell and the frosted sheet are matched to reliably bear heat and seal transmitted high-temperature oil, and the sealing strip and th