Electrical connection structure and electrical structure

The utility model provides an electrical connection structure and an electrical structure, and relates to the technical field of electrical equipment. The electrical connection structure comprises a plug assembly and a socket assembly. The plug assembly is provided with a first electrical connection portion and a first mating portion surrounding the first electrical connection portion. The socket assembly is provided with a second electric connecting part and a second matching part surrounding the second electric connecting part. The first electric connection part is connected to the second electric connection part in a pluggable mode in the preset direction. A matching groove extending in the preset direction is formed in one of the first matching part and the second matching part, and a matching block is arranged on the other one of the first matching part and the second matching part. The section, perpendicular to the preset direction, of the matching block is matched with the shape, perpendicular to the p