Outer wall expansion joint node decorative plate connecting structure assembly

The utility model relates to the technical field of decorative plate connecting structures, and discloses an outer wall expansion joint node decorative plate connecting structure assembly which comprises base layers, a decorative plate connecting assembly and an expansion joint decorative assembly, an expansion joint is formed between the two base layers, and the decorative plate connecting assembly is arranged on the outer side of the base layers. The expansion joint decoration assembly is arranged on the outer side of the expansion joint; the expansion joint decoration assembly comprises mounting seats, extending parts, sliding grooves, sliding rods, sliding balls, sliding rod mounting seats, cover plate fixing bolts and a cover plate, the extending parts are integrally formed with the outer sides of the mounting seats, the sliding grooves are formed in the extending parts, the two sliding balls are arranged at the two ends of each sliding rod, and the sliding balls are arranged in the sliding grooves in a