Dry mechanical seal vacuum pump

• Main Authors: ZHOU XIANZHONG, HE JIANXIU, HOU YALYU, YOU SHIQI, CHEN SHAOFEI, ZHOU YANG, NIE XIAOBO, LIU TAO, SHEN WENWU
• Format: Patent
• Language: Chinese; English
• Published: 23.08.2022
• Subjects: BEARINGS; BLASTING; CLEANING; CLEANING IN GENERAL; CYLINDERS; ELEMENTS OR CRANKSHAFT MECHANISMS; ENGINEERING ELEMENTS AND UNITS; FLEXIBLE SHAFTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; PISTONS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PREVENTION OF FOULING IN GENERAL; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS; SEALINGS; SHAFTS; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS

The embodiment of the utility model provides a dry type mechanical seal vacuum pump, and relates to the technical field of vacuum pumps. The dry-type mechanical seal vacuum pump comprises a bearing, a rotor, an end cover and a dry-type mechanical seal device, the bearing, the end cover and the dry-type mechanical seal device are arranged at the end of the rotor in a sleeving mode, and the dry-type mechanical seal device is clamped between the bearing and the end cover. The dry type mechanical sealing device comprises a moving ring sealing assembly and a static ring sealing assembly, the rotor is sleeved with the moving ring sealing assembly, the moving ring sealing assembly synchronously rotates along with the rotor, the static ring sealing assembly is connected to the end cover, and the end face of the moving ring sealing assembly and the end face of the static ring sealing assembly are a friction pair. By adopting the dry mechanical sealing device, the vacuum degree of the dry vacuum pump can be improved, a