An articulated connection for rotatably and lockably connecting at least one elongate object, in particular for a manual device or small vehicle, wherein the articulated connection comprises the following: - a first articulated part, which comprises a first half shell, wherein in the first half shell a first internal gearwheel is formed, - a second articulated part, which comprises a second half shell and a sleeve, wherein in the second half shell a second internal gearwheel is formed, and wherein the sleeve is provided for receiving the elongate object, - a gearwheel, which is formed complementary to the first internal gearwheel and the second internal gearwheel and disposed between the two assembled half shells (16, 18), - a rotary knob, disposed in or on an outer side of the second half shell and rotatable about an axis and displaceable along this axis, - a first coil spring, which is disposed between the first half shell and the gearwheel and which presses the gearwheel along the axis against the second internal gearwheel, - a second coil spring, which is disposed between the second half shell and the rotary knob and which counteracts the displacement of the rotary knob along the axis in a recess in the second half shell, and - a connecting means (34, 40, 42) which interconnects the first half shell, the first coil spring, the gearwheel and the second half shell along the axis, wherein - in a locked state, the gearwheel is engaged with the first internal gearwheel and with the second internal gearwheel, so that the first articulated part and the second articulated part are firmly connected, and wherein - in an unlocked state, the gearwheel is engaged with the first internal gearwheel and decoupled from the second internal gearwheel, so that the first articulated part and the second articulated part are rotatable relative to each other, - wherein the rotary knob is disposed in the recess in the central region of the second half shell, characterised in that in the second half shell a thread or a thread portion is formed which engages with the rotary knob, wherein the thread or the thread portion causes the displacement of the rotary knob along the axis due to the rotation of the rotary knob about the axis. - a first articulated part, which comprises a first half shell, wherein in the first half shell a first internal gearwheel is formed, - a second articulated part, which comprises a second half shell and a sleeve, wherein in the second half shell a second internal gearwheel is formed, and wherein the sleeve is provided for receiving the elongate object, - a gearwheel, which is formed complementary to the first internal gearwheel and the second internal gearwheel and disposed between the two assembled half shells (16, 18), - a rotary knob, disposed in or on an outer side of the second half shell and rotatable about an axis and displaceable along this axis, - a first coil spring, which is disposed between the first half shell and the gearwheel and which presses the gearwheel along the axis against the second internal gearwheel, - a second coil spring, which is disposed between the second half shell and the rotary knob and which counteracts the displacement of the rotary knob along the axis in a recess in the second half shell, and - a connecting means (34, 40, 42) which interconnects the first half shell, the first coil spring, the gearwheel and the second half shell along the axis, wherein - in a locked state, the gearwheel is engaged with the first internal gearwheel and with the second internal gearwheel, so that the first articulated part and the second articulated part are firmly connected, and wherein - in an unlocked state, the gearwheel is engaged with the first internal gearwheel and decoupled from the second internal gearwheel, so that the first articulated part and the second articulated part are rotatable relative to each other, - wherein the rotary knob is disposed in the recess in the central region of the second half shell,