Self-adjusting chemical pump

• Main Authors: WANG WEIPING, TANG ZIYI, WANG LU, ZHAN YANGYANG, LI JIANXIN, WU HAIYANG, HUANG WENLONG
• Format: Patent
• Language: Chinese; English
• Published: 07.12.2021
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; STANDS OR SUPPORTS; THERMAL INSULATION IN GENERAL; WEAPONS

The invention discloses a self-adjusting chemical pump which comprises a motor. A connecting base and a pump shell are installed on the motor, an impeller is arranged in the pump shell and connected with a rotating shaft of the motor through a connecting shaft, the connecting shaft is connected with the rotating shaft through a coupler, the coupler is arranged in the connecting base, the connecting shaft is connected with the pump shell through a sealing piece, the sealing piece comprises a sealing bearing, a rubber ring and a secondary sealing ring, the sealing bearing is arranged on the portion, on one side of the impeller, of the pump shell, the rubber ring is arranged between the sealing bearing and the secondary sealing ring, the secondary sealing ring is arranged at the connecting position of the connecting base and the pump shell, and an overflow opening is formed in the lower part of the connecting base. According to the self-adjusting chemical pump, the defects in the prior art are overcome, the serv