A motorized driving device for a shading device, the motorized driving device comprising at least: - a housing, the housing comprising an upper side, a lower side and a lateral contour, the upper side being opposite the lower side, the lateral contour being disposed between the upper side and the lower side, - a motor unit, the motor unit being housed inside the housing, - an electrical energy source, and - a single attachment plate, the single attachment plate being attached to the housing, the motor unit comprising at least: - an electric motor, the electric motor being configured to be supplied with electrical energy by means of the electrical energy source, and - a drive wheel, the drive wheel being configured to be rotated by means of the electric motor and to be placed in contact with a first rolling surface of the rod of the shading device, so as to move the motorized driving device along the rod in a direction of movement, the single attachment plate being configured to be assembled with the rod, the single attachment plate comprising at least: - a first wall, the first wall of the single attachment plate being attached to the housing, by means of at least one attaching element, on the upper side of the housing, and - two holding devices (37, 39), each holding device (37, 39) being connected to the first wall of the single attachment plate, so as to hold the single attachment plate with respect to the rod, characterized in that the motorized driving device further comprises at least one actuation element, and in that the actuation element is configured to remove the housing from the single attachment plate by exerting pressure thereon. the motorized driving device comprising at least: - a housing, the housing comprising an upper side, a lower side and a lateral contour, the upper side being opposite the lower side, the lateral contour being disposed between the upper side and the lower side, - a motor unit, the motor unit being housed inside the housing, - an electrical energy source, and - a single attachment plate, the single attachment plate being attached to the housing, - a housing, the housing comprising an upper side, a lower side and a lateral contour, the upper side being opposite the lower side, the lateral contour being disposed between the upper side and the lower side, - a motor unit, the motor unit being housed inside the housing, - an electrical energy source, and - a single attachment plate, the single attachment plate being attached to the housing, the motor unit comprising at least: - an electric motor, the electric motor being configured to be supplied with electrical energy by means of the electrical energy source, and - a drive wheel, the drive wheel being configured to be rotated by means of the electric motor and to be placed in contact with a first rolling surface of the rod of the shading device, so as to move the motorized driving device along the rod in a direction of movement, the single attachment plate being configured to be assembled with the rod, - an electric motor, the electric motor being configured to be supplied with electrical energy by means of the electrical energy source, and - a drive wheel, the drive wheel being configured to be rotated by means of the electric motor and to be placed in contact with a first rolling surface of the rod of the shading device, so as to move the motorized driving device along the rod in a direction of movement, the single attachment plate being configured to be assembled with the rod, the single attachment plate comprising at least: - a first wall, the first wall of the single attachment plate being attached to the housing, by means of at least one attaching element, on the upper side of the housing, and - two holding devices (37, 39), each holding device (37, 39) being connected to the first wall of the single attachment plate, so as to hold the single attachment plate with respect to the rod, - a first wall, the first wall of the single attachment plate being attached to the housing, by means of at least one attaching element, on the upper side of the housing, and - two holding devices (37, 39), each holding device (37, 39) being connected to the first wall of the single attachment plate, so as to hold the single attachment plate with respect to the rod, characterized in that the motorized driving device further comprises at least one actuation element, and in that the actuation element is configured to remove the housing from the single attachment plate by exerting pressure thereon.