Button device and electronic device comprising same

A button device comprising:

• a button member comprising:
• a body part, and
• a button protrusion formed on the body part;
• a substrate member comprising:
• a switch configured to generate an electrical signal in case that the switch is actuated by the button protrusion of the button member, and
• a second opening;
• a waterproof member comprising:
• a base disposed between the button member and the substrate member to cover the substrate member,
• a delivery part formed on the base to be disposed between the button protrusion of the button member and the switch of the substrate member,
• a first opening formed through the base to be spaced apart from the delivery part and be connected to the second opening of the substrate member, and
• a sealing part formed to protrude from the base in a direction of the button member so as to surround a perimeter of the first opening and the delivery part;
• an adhesive member, disposed between the waterproof member and the substrate member to bond the waterproof member to the substrate member, which comprises a third opening connected to the first opening and the second opening;
• and
• a substrate bracket which is configured to support the substrate member and comprises a fourth opening connected to the second opening.