| 主权项 |
1. A connector that is attached to a casing and allows an electric wire within the casing to be attached to the connector, the connector comprising:
a housing, the housing comprising a rectangular tubular portion that projects toward an inside of the casing in a rectangular tubular shape and covers the electric wire within the casing, the rectangular tubular portion has four outer surfaces, the four outer surfaces are respectively provided with drain grooves in such a manner that the drain grooves are continuous with each other, the drain grooves being made of a metal formed by casting, or being made of a resin formed by injection molding, a cross-section of each of the drain grooves has an asymmetrical shape in which a deepest portion of each of the drain grooves is farther from a tip of the rectangular tubular portion than a center of a groove width of each of the drain grooves, and the deepest portion of each of the drain grooves is raised at a center of each of the drain grooves in a longitudinal direction so that a water droplet within the drain grooves moves toward ends of each of the drain grooves in the longitudinal direction. |
