Adjusting unit of a steering column

An adjusting unit for a steering system of a vehicle, comprising:

• an adjusting unit having:
• an adjusting motor,
• a spindle,
• a spindle nut, and the adjusting motor is coupled to the spindle so as to transmit a torque, and the spindle nut is arranged on the spindle such that a rotation of the spindle produces an axial movement of the spindle nut along the spindle,
• a pull-out device having:
• a pull-out support, and
• an inner pull-out element axially fixed to a steering shaft, the inner pull-out element axially movable relative to the pull-out support,
• a crash sleeve extending:
• i) around the spindle, and ii) between the spindle nut and the inner pull-out element, and
• a first axial end of the crash sleeve is axially fixed to the spindle nut so as to define an axial coupling, and a second axial end of the crash sleeve is axially fixed to the inner pull-out element such that the spindle nut, crash sleeve, and the pull-out support are configured to move axially together, and
• when a predetermined impact force is applied to the crash sleeve, the crash sleeve moves axially relative to the spindle nut so as to plastically deform an inner contour of the crash sleeve and release the axial coupling between the spindle nut and the crash sleeve.

An adjusting unit for a steering system of a vehicle, comprising:

• an adjusting unit having an adjusting motor,
• a spindle,
• a spindle nut, and the adjusting motor is coupled coaxially to the spindle so as to transmit a torque, and the spindle nut is arranged on the spindle such that a rotation of the spindle produces an axial movement of the spindle nut along the spindle,
• a pull-out device having:
• a pull-out support, and
• an inner pull-out element axially fixed to a steering shaft so that the steering shaft is axially adjusted via the adjusting unit, the inner pull-out element axially movable relative to the pull-out support,
• a crash sleeve extending between the spindle nut and the inner pull-out element, the crash sleeve arranged coaxially to the spindle, and
• a first axial end of the crash sleeve is axially fixed to the spindle nut via at least one securing element so as to define an axial coupling, and a second axial end of the crash sleeve is axially fixed to the inner pull-out element such that the spindle nut, crash sleeve, and the pull-out support are configured to move axially together, and
• when a predetermined impact force is applied to the at least one securing element, the at least one securing element is released and the crash sleeve moves axially relative to the spindle nut so as to plastically deform an inner contour of the crash sleeve and release the axial coupling between the spindle nut and the crash sleeve.