Solid-sealed polar pole lower wire outlet seat connected contact arm easy to dissipate heat

The utility model belongs to the technical field of solid-sealed polar poles, and particularly relates to a solid-sealed polar pole lower outlet seat conjoined contact arm easy to dissipate heat, which comprises a lower outlet seat conjoined contact arm body provided with a main body positioning protruding part integrally fixed, and further comprises an insulating sleeve, a metal heat dissipationsleeve is fixed in the insulating sleeve; heat dissipation holes are formed in the lower wire outlet seat one-piece contact arm body; two groups of elastic locking assemblies are also arranged on theouter wall of the lower wire outlet seat connected contact arm body; the integrated contact arm of the lower outlet seat of the solid-sealed polar pole is provided with the insulating sleeve, the metal heat dissipation sleeve is fixed in the insulating sleeve and is the aluminum sleeve, the heat conduction performance is good, the heat dissipation efficiency of the integrated contact arm of the lower outlet seat is greatly