The present disclosure relates to an imaging device and a display apparatus. The imaging device includes: a casing including a first accommodating cavity therein, wherein a first opening is provided at one end of the first accommodating cavity; a lens module including a rotating portion and an extension portion connected to the rotating portion, the rotating portion being accommodated in the first accommodating cavity, the extension portion extending through the first opening to an exterior of the casing; and a mounting component, which is at least partially accommodated in the first accommodating cavity and fixed to the casing, wherein the rotating portion is hinged with the mounting component via a spherical joint.