ANTENNA FOR VEHICLE

An antenna for a vehicle according to the present invention comprises: an antenna unit; an upper case unit to which the antenna unit is detachably combined; a lower case unit combined to the upper case unit and fixed in the body of the vehicle; and a supporting member accommodated in a space formed by the upper case unit and the lower case unit. The antenna unit includes: a cylindrical member formed by synthetic resin materials; a coil member wounded along the outer surface of the cylindrical member; a first antenna connector member combined to an end part of the coil member; a second antenna connector member combined to the first antenna connector member; and an antenna connector combination member combined to the second antenna connector member. The upper case unit includes an upper case combination member which detachably combines with the antenna connector combination member. A signal terminal unit connected to the upper case combination member, a holder member to fix the signal terminal unit in the supporting member, and a ground terminal unit for grounding are installed between the supporting member and the upper case. A metal elastic member is arranged between the signal terminal unit and the upper case combination member. According to the present invention, the antenna is easily installed outside the vehicle and reliably receives signals because the antenna is not easily transformed when external force is applied.