Valve device

A valve device comprising:

• a body including a gas passage through which gas flows and an accommodation recess that includes an outer recessed portion that opens on a side surface of the body and communicates with the gas passage;
• a valve mechanism which includes a solenoid configured with a bobbin and coil, the valve mechanism configured to control a flow of the gas flowing through the gas passage;
• and
• a cover fixed to the body such that the cover covers the accommodation recess, wherein
• the solenoid protrudes from the accommodation recess;
• the cover is dimensioned to cover a single valve mechanism, and is configured such that an outermost wall of the cover is configured with an inner surface that defines a cover recess that opens toward the accommodation recess, a diameter of the cover recess, defined by the inner surface of the outermost wall of the cover, is substantially equal to an inner diameter of the outer recessed portion;
• the valve mechanism is assembled to the body such that the valve mechanism is accommodated in the accommodation recess with a portion of at least one of the bobbin and coil protruding from the accommodation recess and the portion of the at least one of the bobbin and coil is accommodated in the cover recess;
• the cover is fixed to the body by a bolt and configured such that the valve mechanism is not coupled to the cover;
• the cover includes an insertion hole in which the bolt is loosely fitted;
• and
• a first gap is defined between a wall of the cover, which defines the insertion hole, and the bolt in a direction perpendicular to an axial direction of the bolt and is smaller than a second gap defined between an inner periphery of the cover, which defines the cover recess, and the valve mechanism in the perpendicular direction.