Pressing mechanism of push switch and push switch

A pressing mechanism of a push switch, the pressing mechanism comprising:

• an operation member configured to be pressed;
• and
• a leaf spring member that includes a dome portion bulging in a dome shape and an opening portion provided in a central portion of the dome portion, the leaf spring member generating a tactile sensation on the operation member by an inverting operation of the dome portion in response to being pressed by the operation member,
• wherein the operation member includes
• a first pressing portion configured to press a movable contact point member against a fixed contact point member through the opening portion,
• a second pressing portion configured to press the dome portion, and
• a base portion having a pressing surface,
• wherein the first pressing portion and the second pressing portion are provided on the pressing surface of the base portion such that the first pressing portion is disposed at a center area and the second pressing portion is disposed outside the first pressing portion in a plan view, and
• wherein the first pressing portion and the second pressing portion are spaced apart from each other on the pressing surface of the base portion.