Connector

A connector, comprising:

• a housing that houses a connection terminal;
• an outer case that houses and holds the housing;
• a movable case that includes first cam grooves formed penetratingly in side walls of the movable case corresponding to each of both side walls of the outer case, and that is movably disposed inside the outer case in a connector fitting direction;
• a shutter including a shutter front wall that covers a front opening of the housing to which a mating connector is fitted, shutter side walls provided at both end portions of the shutter front wall, and shutter bosses projecting to outer surfaces of the shutter side walls and engaging with the first cam grooves;
• and
• a spring that elastically urges the movable case toward a side of the mating connector, wherein
• the first cam grooves engage with the shutter bosses, such that the shutter is rotated in an opening and closing direction around the shutter bosses in conjunction with the movable case moving.