A motor comprising: a rotating shaft; a rotor coupled to the rotating shaft; a stator disposed outside the rotor; a coil wound around the stator; a router disposed on the stator; a housing which accommodates the rotor, the stator, and the router and in which an opening is formed in one side of the housing; and a cover assembly which covers the opening, wherein the cover assembly includes a cover body having a disc shape and a plurality of first holes formed in the cover body, wherein the cover body includes an upper cover, a lower cover, a bearing plate disposed between the upper cover and the lower cover, and a first protrusion and a second protrusion formed to protrude from a lower surface of the lower cover, wherein the first protrusion is formed to have a predetermined curvature with respect to a center of the cover body, characterized in that the router includes: a router body having a disc shape; and a plurality of guides which are disposed on the router body and guide the coil, wherein a channel is formed between the guides disposed to be spaced apart from each other, wherein: the guide includes a first guide and a second guide disposed at one side of the first guide; and a height of the second guide is lower than a height of the first guide, wherein the first protrusion is disposed above the second guide, wherein the second protrusion is disposed in the channel, wherein the second protrusion is disposed between the first guides, wherein the sum of a diameter of the coil and a height of the second protrusion is equal to a height of the first guide, and wherein a width between the first guides is greater than a width of the second protrusion. a rotating shaft; a rotor coupled to the rotating shaft; a stator disposed outside the rotor; a coil wound around the stator; a router disposed on the stator; a housing which accommodates the rotor, the stator, and the router and in which an opening is formed in one side of the housing; and a cover assembly which covers the opening, wherein the cover assembly includes a cover body having a disc shape and a plurality of first holes formed in the cover body, wherein the cover body includes an upper cover, a lower cover, a bearing plate disposed between the upper cover and the lower cover, and a first protrusion and a second protrusion formed to protrude from a lower surface of the lower cover, wherein the first protrusion is formed to have a predetermined curvature with respect to a center of the cover body, characterized in that the router includes: a router body having a disc shape; and a plurality of guides which are disposed on the router body and guide the coil, wherein a channel is formed between the guides disposed to be spaced apart from each other, wherein: the guide includes a first guide and a second guide disposed at one side of the first guide; and a height of the second guide is lower than a height of the first guide, wherein the first protrusion is disposed above the second guide, wherein the second protrusion is disposed in the channel, wherein the second protrusion is disposed between the first guides, wherein the sum of a diameter of the coil and a height of the second protrusion is equal to a height of the first guide, and wherein a width between the first guides is greater than a width of the second protrusion. the guide includes a first guide and a second guide disposed at one side of the first guide; and a height of the second guide is lower than a height of the first guide, wherein the first protrusion is disposed above the second guide, wherein the second protrusion is disposed in the channel, wherein the second protrusion is disposed between the first guides, wherein the sum of a diameter of the coil and a height of the second protrusion is equal to a height of the first guide, and wherein a width between the first guides is greater than a width of the second protrusion.