Connecting structure

This connection structure is provided with: a conductive connection member having at least one of both axial end portions thereof in a sleeve shape; and a sealing structure disposed in the connection member, the connection member having: a first connection part formed on one end side of the connection member and connectable to the first conductive member; a second connection part which is formed on the other end side of the connection member and can be connected to a second conductive member; and a separation part which is formed between the first connection part and the second connection part and separates the first conductive member and the second conductive member inside the connection member, and the sealing structure seals the inside of the connection member by being disposed in the separation part. 连接结构具备：连接构件，具有导电性，该连接构件的轴向两端部中的至少一方为套筒状；以及密封结构，配置于连接构件内，连接构件具有：第一连接部，形成于连接构件的一端侧，并且能连接第一导电构件；第二连接部，形成于连接构件的另一端侧，并且能连接第二导电构件；以及分离部，形成于第一连接部与第二连接部之间，并且使第一导电构件和第二导电构件在连接构件的内部分离，密封结构通过配置于分离部来对连接构件的内部进行密封。