ULTRASONIC SENSOR DEVICE FOR A MOTOR VEHICLE, COMPRISING A TWO-PART FASTENING DEVICE, TRIM ARRANGEMENT, MOTOR VEHICLE AND METHOD

摘要

The invention relates to an ultrasonic sensor device (2) for a motor vehicle, having an ultrasonic sensor (3), which has a diaphragm (8) for emitting and/or receiving an ultrasonic signal, and having a fastening device which is designed, in an intended installation position of the ultrasonic sensor device (2) on an outer trim part (6) of the motor vehicle, to press the diaphragm (8) onto an inner side (7) of the outer trim part (6) with a pre-tensioning force, wherein the fastening device has a holding device (5) and a covering device (4), wherein the holding device (5) can be arranged on the inner side (7) of the outer trim part (6) and has an opening (22) in which the diaphragm (8) is arranged, and wherein the covering device (4) has a receptacle (24) in which a rear side (23) of the ultrasonic sensor (3) opposite the diaphragm (8) is held, and wherein the covering device (4) and the holding device (5) are connected in a form-fitting manner.