A mouth (C) for a milking machine, comprising a casing having an upper part (1) and a lower part (2) and enclosing an interior space (3) for a flow of milk during a milking operation, wherein the lower part (2) comprises a lower surface (4) that is turned towards the interior space (3), where a central axis (x) extends through the casing and through the upper part (1) and the lower surface (4) and where the upper part has an upper wall (16) that extends along a cone (k), which is rotatable symmetrical about the central axis (x), an outlet nozzle ( 12) configured to be connected to a long milk duct (13) for the discharge of milk from the interior space (3), where the outlet nozzle (12) extends outwards from the upper part (1) of the casing , and a suction tube (20) that connects the interior space (3) to the outlet nozzle (12) to transport the milk from the e interior space (3) to the outlet nozzle (12), where the suction tube (20) comprises a tube section (20a), located in the vicinity of the lower surface (4), and at least three legs of support (21) extending from the bottom tube section (20a) and bearing on the bottom surface (4), where a gap is formed between the bottom tube section (20a) and the bottom surface (4) and where each one of said support legs (21) has an end point, whose end points are located in a common lower plane (p '), characterized in that the common lower plane is inclined towards the central axis (x), so that the central axis (x) is not perpendicular to the common lower plane (p ').Una boca (C) para un máquina de ordeñar, que comprende una carcasa que tiene una parte superior (1) y una parte inferior (2) y que encierran un espacio interior (3) para un flujo de leche durante una operación de ordeño, en donde la parte inferior (2) comprende una superficie inferior (4) que está vuelta hacia el espacio interior (3), en donde un eje central (x) se extiende a través de la carcasa y a través de la parte superior (1) y la superficie inferior (4) y en
