Push switch

A push switch comprising:

• a pressing member including a pressing portion configured to be pressed, and including an elastically deformable peripheral wall portion having a lower end portion and extending downward and outward from an outer periphery of the pressing portion,
• a movable contact having a dome shape and disposed below the pressing member;
• an interposed member disposed between the pressing member and the movable contact, and configured to press the movable contact by receiving and being pressed by the lower end portion of the peripheral wall portion of the pressing member;
• a first fixed contact provided in contact with the movable contact;
• and
• a second fixed contact configured to be contacted with and separated from the movable contact,
• wherein the lower end portion of the peripheral wall portion of the pressing member presses the interposed member while the peripheral wall portion is subjected to elastic deformation in response to the pressing portion being pressed, and
• wherein the interposed member is configured to move toward the movable contact, thereby pressing the movable contact upon receiving a pressing force from the pressing member.