Robot

A robot comprising:

• a lower housing;
• one or more wheels that extend below the lower housing and rotate to move the robot;
• an upper housing that extends vertically upward from the lower housing;
• a head display positioned above the upper housing;
• a motor provided in the upper housing;
• a rotational shaft that extends in a vertical direction above the upper housing and is coupled to the head display, the rotational shaft being rotated based on a rotational force from the motor to rotate the head display;
• and
• a speaker provided in the upper housing, the speaker being spaced apart from the motor and overlapping at least a portion of the rotational shaft in a horizontal direction,
• wherein the robot further comprises:
• a neck housing rotatably connected to the upper housing, wherein at least part of the rotational shaft is provided therein;
• and
• a head housing fastened to the neck housing and spaced apart from the upper housing,
• wherein the head display is received in the head housing,
• wherein the rotational shaft passes through an inside of the neck housing,
• wherein an opening, through which at least part of the neck housing is inserted, is formed on a top surface of the upper housing, and
• wherein at least a part of the speaker overlaps the neck housing in the horizontal direction.