An independent wheel suspension with a rotating steering knuckle which supports itself on a spring carrier is connected with the vehicle frame via a damper. The steering knuckle is connected with the spring carrier via a kingpin, and the wheel suspension has upper and lower transverse links which ar
An independent wheel suspension with a rotating steering knuckle which supports itself on a spring carrier is connected with the vehicle frame via a damper. The steering knuckle is connected with the spring carrier via a kingpin, and the wheel suspension has upper and lower transverse links which are positioned at the upper or lower ends of the kingpin. The steering knuckle and the transverse links are pivotally positioned relative to the kingpin and the spring carrier is connected with the kingpin in a rotationally fixed manner. The kingpin connects the spring carrier, the steering knuckle, and the upper end lower transverse links and is a two-piece part which comprises upper and lower parts. Axially, radially and rotationally fixing the upper and the lower parts and the spring carrier is achieved by a combination of the upper and the lower parts with the spring carrier.
대표청구항▼
1. An independent wheel suspension with a steering knuckle (1) which rotates about a rotational axis (5) and is supported on a spring carrier (16), which is connected with a frame of a vehicle via one of a damper (18) and an air spring (19) or a spring-damper-module (17), the steering knuckle (1) be
1. An independent wheel suspension with a steering knuckle (1) which rotates about a rotational axis (5) and is supported on a spring carrier (16), which is connected with a frame of a vehicle via one of a damper (18) and an air spring (19) or a spring-damper-module (17), the steering knuckle (1) being connected with the spring carrier (16) via a kingpin (4), the independent wheel suspension comprises at least an upper transverse link (10), positioned at an upper end of the kingpin (4), and at least a lower transverse link (14), positioned at a lower end of the kingpin (4),the steering knuckle (1) and the upper and the lower transverse links (10, 14) being pivotally positioned relative to the kingpin (4), and the spring carrier (16) being connected with the kingpin (4) in a rotationally fixed manner,the kingpin (4) being a connecting link for the spring carrier (16), the steering knuckle (1), and the upper and the lower transverse links (10, 14),the kingpin (4) being a two-piece part comprising an upper part (20) and a lower part (21), at least an end of the upper part (20), adjacent the lower part (21), and an end of the lower part (21), adjacent the upper part (20), being enclosed within an axial cylindrical opening within the spring carrier (16) the end of the upper part (20), adjacent the lower part (21), having a first notch (27) and the end of the lower part (21), adjacent the upper part (20), having a second notch (27) with the first and second notches (27) being correspondingly shaped to engage with each when the upper part (20) and the lower part (21) are rotationally oriented with respect to each other to engage the first notch (27) with the second notch (27), the upper part (20) and the lower part (21) thereby being rotationally fixed with respect to each other and preventing axial twisting between the upper part (20) and the lower part (21), andthe end of the upper part (20), adjacent the lower part (21), and the end of the lower part (21), adjacent the upper part (21), each having a circumferential groove (31) in an area not having a notch (27), and the spring carrier (16) including a first inwardly extending bar (32) engaging with the circumferential groove (31) in the end of the upper part (20), adjacent the lower part (21), and a second inwardly extending bar (32) engaging with the circumferential groove (31), the end of the lower part (21), adjacent the upper part (21), thereby axially fixing the upper part (20) and the lower part (21) with respect to each other and with respect to the spring carrier (16). 2. The independent wheel suspension according to claim 1, wherein snap rings (22) facilitate axially fixing of the upper and the lower parts (20, 21) between the kingpin (4) and between the spring carrier (16), two ring grooves (23) are provided in the spring carrier (16), and one ring groove (24) is provided in each of the upper and the lower parts (20, 21) to accommodate the snap rings (22). 3. The independent wheel suspension according to claim 1, wherein axial fixation between the upper and the lower parts (20, 21) of the kingpin (4) and between the spring carrier (16) is achieved by pins or screws, and the spring carrier (16) has corresponding boreholes (26) for the pins or screws. 4. The independent wheel suspension according to claim 1, wherein the axial fixation, between the upper and the lower parts (20, 21) of the kingpin (4) and the spring carrier (16), is achieved via pins and screws, through which the spring carrier (16) is connected with the upper and the lower parts (20, 21). 5. The independent wheel suspension according to claim 1, wherein the spring carrier (16) is a two-piece part, and after assembly, when the two parts of the spring carrier (16) are connected with each other, a continuous bar (32) is formed. 6. The independent wheel suspension according to claim 1, wherein transverse link joints (7, 11) of the upper and the lower transverse link (10, 14) are roller bearings, and ends of the upper and the lower parts (20, 21) of the kingpin (4), facing away from the spring carrier (16), each have one of a housing (38, 39), a joint head or the transverse link joints (7, 11). 7. The independent wheel suspension according to claim 6, wherein the housing (38, 39), together with the respective one of the upper and the lower parts (20, 21), is a one-piece part. 8. The independent wheel suspension according to claim 1, wherein one of a ball joint head or a molecular joint head (44) is integrated at an end of each of the upper and the lower parts (20, 21) of the kingpin (4), facing the respective transverse link (10, 14). 9. The independent wheel suspension according to claim 8, wherein the upper and the lower parts (20, 21) of the kingpin (4) are connected via a bolt (45) and a nut (46). 10. The independent wheel suspension according to claim 8, wherein a screw (45) extends through one of the upper and the lower parts (20, 21) and is screwed into the thread (47) of the other of the upper and the lower parts (20, 21) of the kingpin (4). 11. The independent wheel suspension according to claim 8, wherein the axial fixation, between of the upper and the lower parts (20, 21) and between the spring carrier (16), is achieved such that the ends of the upper and the lower parts (20, 21), positioned in the spring carrier (16), are a truncated cone and are positioned in the spring carrier (16) to form-lock, and of the upper and the lower parts (20, 21) are coupled together by a bolt (45) and a nut. 12. An independent wheel suspension with a steering knuckle (1) which rotates about a rotational axis (5) and being supported on a spring carrier (16), which is connected with a frame of a vehicle by one of a damper (18) and an air spring (19) or a spring-damper-module (17), the steering knuckle (1) being connected with the spring carrier (16) via a kingpin (4), the independent wheel suspension comprises at least an upper transverse link (10), positioned at an upper end of the kingpin (4), and at least a lower transverse link (14), positioned at a lower end of the kingpin (4),the steering knuckle (1) and the upper and the lower transverse links (10, 14) being pivotally positioned in relation to the kingpin (4) and the spring carrier (16) is connected with the kingpin (4) in a rotationally fixed manner,the kingpin (4) being a connecting link for the spring carrier (16), the steering knuckle (1), and the upper and the lower transverse links (10, 14), and the kingpin (4) being a two-piece part and comprises an upper part (20) and a lower part (21), at least an end of the upper part (20), adjacent the lower part (21), and an end of the lower part (21), adjacent the upper part (20), being enclosed within an axial cylindrical opening within the spring carrier (16), andthe end of the upper part (20), adjacent the lower part (21), and the end of the lower part adjacent the upper part (20), and corresponding locations in the spring carrier (16) each including at least one transverse opening (30A) for receiving a corresponding locking element (30), each transverse opening (30A) extending parallel to and offset from a diameter of the upper part (20) and lower part (21) and the spring carrier (16), each transverse opening (30A) extending from a first external circumferential area of a wall of the spring carrier (16) and through the corresponding one of the first and second parts (20, 21) and at least into a corresponding opposing region of the spring carrier (16) wall, andeach locking element (30) being one of a pin and a screw, wherebyengagement of the locking elements (30A) with the transverse openings (30) through the spring carrier (16), the end of the upper part (20), adjacent the lower part (21), and the end of the lower part (21), adjacent the first part (20) axially and rotationally secure the upper part (20), the lower part (21) and the spring carrier (16) with respect to each other. 13. The independent wheel suspension according to claim 12, wherein each part of the two-piece spring carrier (16) is designed as a half cylinder in an area around the kingpin (4). 14. The independent wheel suspension according to claim 12, wherein an additional axial fixation between the upper and the lower parts (20, 21) of the kingpin (4) and between the spring carrier (16) is achieved in so that each of the upper and the lower parts (20, 21) has a ring groove (36), at an end facing the other part, into which a bar (37) of the spring carrier (16) engages, in each case, such that the two parts of the spring carrier (16) form a continuous bar (37) when the two parts of the spring carrier (16) are joined together.
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이 특허에 인용된 특허 (10)
Fosse, Tore; Houshmand, Arash, Arrangement for a steering system for a vehicle and method for mounting a steering system.
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