Button device for casino machines

A button device for casino machines, comprising:

• a base installed to overlap a display panel of a display device;
• a push button that overlaps the base and is disposed to move vertically with respect to the base, and has a central portion through which an image displayed on the display panel is visible and a flange portion that is stepped at an outer boundary of the central portion and extends outward;
• and
• a bezel that covers the push button so that the central portion is exposed and the flange portion is hidden, and is detachably coupled to the base,
• wherein the base includes a bottom plate and a plurality of hooks that protrude upward from an outer circumferential portion of the bottom plate and are covered by the bezel, and
• wherein the bezel includes a plurality of interference protrusions that mutually interfere with the plurality of hooks to prevent the bezel from being separated from the base when the push button is covered;
• wherein:
• each of the plurality of hooks includes a pair of pillars that protrude upward from the bottom plate and are spaced apart from each other, a body portion that is connected to one end and the other end of each of the pair of pillars, and a triangular protrusion that is formed at an upper end portion of the body portion to protrude in a stepped manner from the body portion;
• and
• each of the plurality of interference protrusions is bent and protrudes inward from a lower end portion of the bezel.