Rigid coupling for centrifugal pump

• Main Author: YUE XINJIAN
• Format: Patent
• Language: Chinese; English
• Published: 19.04.2024
• Subjects: BLASTING; BRAKES; CLUTCHES; COUPLINGS FOR TRANSMITTING ROTATION; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; LUBRICATING; MECHANICAL ENGINEERING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model discloses a rigid coupling for a centrifugal pump, which relates to the technical field of centrifugal pumps and comprises a coupling body, the coupling body comprises a first coupling head and a second coupling head, one end of the first coupling head is fixedly connected with a first connecting pipe, one end of the second coupling head is fixedly connected with a second connecting pipe, and the other end of the first connecting pipe is fixedly connected with a third connecting pipe. An oil injection hole is formed in the outer portion of the second connecting pipe, and an oil inlet hole is formed in the outer portion of the first connecting pipe. According to the rigid coupling for the centrifugal pump, the oil injection hole, the oil inlet hole, the circulation groove, the ball and the movable groove are matched, lubricating oil flows into the circulation groove through the oil inlet hole after being injected into the oil injection hole, the ball rotates in the middle of the circulation g