A multi-stage pump body connecting, fixing, welding and stabilizing structure

Abstract

The utility model relates to multistage pump body technical field discloses a multistage pump body connection fixed welding firm structure, including pump casing, the rim is welded to the pump casing bottom edge, the rim surface welds four groups of electrode, each group of electrode corresponds to a group of lug, each group of lug all is screwed with screw bar, the screw bar outer wall all welds screw bar package groove, the screw bar top is screwed into screw bar package groove, the screw bar lower part is screwed with nut. The utility model discloses be screwed into screw bar package groove in screw bar outer wall through being provided with electrode, top portion is covered and fixed by electrode, makes screw bar not expose outside, promotes the degree of appearance beautiful while increased screw engagement area, guarantees the stability of connection, the lower end is locked through nut again, can effectively prevent screw bar and appear loose under long -time vibration, has the connection mode of beautiful effect and firm protection, promotes the security and reliability of pump body operation.

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