A motor comprising: a housing ; a stator disposed in the housing; a rotor disposed in the stator; and a shaft coupled to the rotor, wherein the stator comprises a stator core , an insulator disposed on the stator core, and a coil disposed on the insulator, wherein the insulator comprises a body on which the coil is disposed, a first guide extending from one side of the body, and a first protrusion and a second protrusion which protrude from a top surface of the first guide , and wherein the first protrusion and the second protrusion are disposed to be spaced apart from each other to form a space in a circumferential direction on the basis of a center of the stator, wherein the body comprises a first body and a second body disposed inside the first body , and wherein the insulator comprises a second guide protruding upward in an axial direction of the motor from the body between the first body and the second body , wherein the first protrusion and the second protrusion comprise areas protruding further than the second guide in a lateral direction of the insulator . wherein the first guide comprises a first inner surface and a first outer surface , and wherein the first protrusion and the second protrusion are disposed between the first inner surface and the first outer surface on the basis of a lateral direction of the first guide , characterized by the fact that each of the first protrusion and the second protrusion comprises a second inner surface , a second outer surface , and a groove , and wherein the groove is disposed on the second outer surface and disposed along the lateral direction of the first guide . a housing ; a stator disposed in the housing; a rotor disposed in the stator; and a shaft coupled to the rotor, wherein the stator comprises a stator core , an insulator disposed on the stator core, and a coil disposed on the insulator, wherein the insulator comprises a body on which the coil is disposed, a first guide extending from one side of the body, and a first protrusion and a second protrusion which protrude from a top surface of the first guide , and wherein the first protrusion and the second protrusion are disposed to be spaced apart from each other to form a space in a circumferential direction on the basis of a center of the stator, wherein the body comprises a first body and a second body disposed inside the first body , and wherein the insulator comprises a second guide protruding upward in an axial direction of the motor from the body between the first body and the second body , wherein the first protrusion and the second protrusion comprise areas protruding further than the second guide in a lateral direction of the insulator . wherein the first guide comprises a first inner surface and a first outer surface , and wherein the first protrusion and the second protrusion are disposed between the first inner surface and the first outer surface on the basis of a lateral direction of the first guide , characterized by the fact that each of the first protrusion and the second protrusion comprises a second inner surface , a second outer surface , and a groove , and wherein the groove is disposed on the second outer surface and disposed along the lateral direction of the first guide . <EOS>