Pump body silencing assembly, pump body assembly and compressor

• Main Authors: MA SHUYUAN, TAN ZHANGYIN, HE QINGNAN, QUE PEIZHEN, MIAO WANG, NIU YUTING
• Format: Patent
• Language: Chinese; English
• Published: 11.02.2022
• 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 provides a pump body silencing assembly, a pump body assembly and a compressor. The pump body silencing assembly comprises a lower flange provided with an annular groove, the annular groove is formed in the lower side of the lower flange, and an exhaust port of a pump body is formed in the groove bottom of the annular groove; the separator is arranged in the annular groove and divides the annular groove into a first cavity and a second cavity; a through hole penetrating through the first cavity and the second cavity is formed in the separator; the exhaust port is communicated with the first cavity; and the cover plate covers a notch of the annular groove, and exhaust holes are formed in the cover plate. The partition piece is arranged on the lower flange, so that the annular groove in the lower flange forms two cavities, two-stage silencing treatment can be carried out on high-pressure gas fed by the exhaust port, the high-pressure gas enters the first cavity to be subjected to first silenci