Lamp assembly assembling structure with strip-shaped light guide part

The utility model relates to a lamp assembly assembling structure with a strip-shaped light guide part. An exposed area of an existing lamp assembly is wide, and attractiveness is affected. The ceiling lamp comprises a keel assembly and decorative plates, the keel assembly comprises a connecting piece, an assembling cavity is formed in the connecting piece, a lamp assembly comprises a lamp shell, a light guide part is formed at the bottom of the lamp shell, an assembling gap is reserved between every two adjacent decorative plates, and the upper section of the strip-shaped light guide part is matched with a cavity opening of the assembling cavity to clamp the decorative plates. The lower section is inserted into the assembly gap from top to bottom, so that light generated by the light-emitting part penetrates through the assembly gap through the strip-shaped light guide part and is diffused outwards. The strip-shaped light guide part capable of penetrating through the assembly gap is arranged at the bottom of