SECURING STRUCTURE, ELECTRONIC DEVICE, IMAGING DEVICE, MOVING BODY, AND SECURING STRUCTURE PRODUCTION METHOD

A fixing structure 14 comprises a plate-like member 15, a housing 16, and an adhesion body 17. The plate-like member 15 has an engaging portion 18. The housing 16 has a protrusion 19. At least part of an outer peripheral wall surface of the protrusion 19 faces an inner peripheral wall surface defining the engaging portion 18. The protrusion 19 has a recess formed from a tip thereof along a protruding direction. The adhesion body 17 is interposed between the engaging portion 18 and the protrusion 19 and fixes the plate-like member 15 to the housing 16. The protrusion 19 has communicating portions that communicate between the recess and an outer periphery of the protrusion 19 and are distributed around an axis extending in the protruding direction. The adhesion body 17 is located from the recess to a space between the engaging portion 18 and the protrusion 19 through the communicating portions.