JP2009006969A - Steering knuckle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a steering knuckle improved in workability when assembling a bearing with a rotation sensor thereon. <P>SOLUTION: On the steering knuckle 10, the bearing 50 with the rotation sensor is mounted. The steering knuckle 10 comprises: a body 12 having a bearing insertion opening portion 32 into which the bearing 50 with the rotation sensor is inserted; a bearing mounting portion provided outside the body 12 in a vehicle cross direction; and a recessed portion 30 provided in the body 12, outside which a wire harness 54 for the rotation sensor 52 is wired in the vehicle cross direction. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a steering knuckle for a vehicle, and more particularly to a steering knuckle used for a vehicle equipped with an antilock brake system.

  Conventionally, in a strut suspension device, a steering knuckle is used to connect a strut, a lower arm, a tie rod, and the like while rotatably supporting a wheel (see, for example, Patent Document 1).

A bearing is attached to the steering knuckle to rotatably support the wheel. In recent years, a bearing with a rotation sensor in which a rotation sensor for an antilock brake system is built in the bearing has been commercialized. By incorporating the rotation sensor in the bearing, it is possible to reduce the size of the apparatus, prevent damage caused by flying pebbles and the like, and improve reliability.
JP 2001-114127 A

  When assembling such a bearing with a rotation sensor to a steering knuckle, first, the wire harness of the rotation sensor is inserted into the bearing insertion opening of the steering knuckle, and then the bearing body is inserted into the bearing insertion opening. It was fixed to the steering knuckle.

  However, since the steering knuckle is heavy, it is not easy to insert the wire harness into the bearing insertion opening. In addition, the work of fixing the bearing in a state where the wire harness is inserted needs to be performed while paying attention to the handling of the inserted wire harness, and the workability is poor.

  The present invention has been made in view of such circumstances, and an object thereof is to provide a steering knuckle that can improve workability when a bearing with a rotation sensor is assembled.

  In order to solve the above problems, a steering knuckle according to an aspect of the present invention is a steering knuckle to which a bearing with a rotation sensor can be attached, and a main body portion provided with a bearing insertion opening for inserting the bearing, and a main body portion A bearing mounting portion provided on the outer side in the vehicle width direction, and a recess provided in the main body portion for routing the wire harness of the rotation sensor to the outer side in the vehicle width direction. A strut mounting arm connected to the suspension strut is projected from the main body, and the recess may be provided near the base of the strut mounting arm.

  According to this aspect, by providing the concave portion in the main body, the wire harness of the rotation sensor can be routed on the outer side in the vehicle width direction, which is the side on which the bearing is attached. Since the bearing can be assembled without inserting the wire harness through the bearing insertion opening, workability can be improved.

  ADVANTAGE OF THE INVENTION According to this invention, workability | operativity at the time of attaching a bearing with a rotation sensor to a steering knuckle can be improved.

  FIG. 1 is a front view of a steering knuckle 10 according to an embodiment of the present invention. FIG. 1 shows the outer side of the steering knuckle 10 in the vehicle width direction. FIG. 2 is a top view of the steering knuckle 10 according to the embodiment of the present invention. In FIGS. 1 and 2, FR represents the front in the vehicle longitudinal direction, IN represents the inner side in the vehicle width direction, and UP represents the upper side of the vehicle.

  The steering knuckle 10 is used in a strut type suspension device, and a bearing with a rotation sensor can be attached thereto. As shown in FIGS. 1 and 2, the steering knuckle 10 includes a body portion 12 to which a bearing for rotatably supporting a wheel, a strut attachment arm 14, a tie rod attachment arm 16, and a lower arm attachment portion provided on the body portion 12. 18 and a brake caliper mounting portion 24.

  The main body 12 is formed in a substantially rectangular shape, and a bearing insertion opening 32 is formed at the center thereof. The bearing insertion opening 32 is formed in a substantially circular shape in the upper part and in a substantially rectangular shape in the lower part. A bearing is inserted in the upper part of the bearing insertion opening 32 formed in a substantially circular shape. The main body 12 is provided with four bearing mounting portions 28 for mounting the bearings around the bearing insertion opening 32 on the outer side in the vehicle width direction. The bearing is inserted into the bearing insertion opening 32 from the outside in the vehicle width direction and is fixed to the bearing mounting portion 28 via a bolt.

  The strut mounting arm 14 is formed so as to extend upward and inward in the vehicle width direction from the upper portion of the main body portion 12. The strut mounting arm 14 is formed with two strut mounting portions 20 for connecting to the struts of the suspension device.

  The tie rod mounting arm 16 is formed to extend from the left side of the main body 12 to the rear in the vehicle front-rear direction and inward in the vehicle width direction. A tie rod mounting portion 22 for connecting to the tie rod of the steering mechanism is formed at the tip of the tie rod mounting arm 16.

  The lower arm attachment portion 18 is formed at the lower portion of the main body portion 12 and is connected to the lower arm of the suspension device. Further, two brake caliper mounting portions 24 are formed on the right side of the main body portion 12, and a brake caliper is mounted.

  In the steering knuckle 10 according to the present embodiment, the main body 12 is formed with a recess 30 for routing the wire harness of the bearing with the rotation sensor to the outside in the vehicle body width direction. As shown in FIGS. 1 and 2, the recess 30 is provided near the base of the strut mounting arm 14. Further, the recess 30 communicates with the upper part of the bearing insertion opening 32. The size of the recess 30 may be appropriately adjusted according to the position and shape of the rotation sensor in the bearing attached to the steering knuckle 10.

  FIG. 3 is a front view showing a state where the rotation sensor bearing 50 is attached to the steering knuckle 10. FIG. 4 is a top view showing a state where the rotation sensor bearing 50 is attached to the steering knuckle 10.

  The bearing 50 with a rotation sensor has a rotation sensor 52 for detecting the number of rotations of the wheel on the side surface. A wire harness 54 extends from the rotation sensor 52, and the wire harness 54 is connected to a computer of the vehicle. The rotation sensor bearing 50 is formed with four support portions 56 at positions corresponding to the bearing mounting portion 28 of the steering knuckle 10.

  With reference to FIG. 3 and FIG. 4, the operation | work which attaches the bearing 50 with a rotation sensor to the steering knuckle 10 is demonstrated. First, the steering knuckle 10 is set at a predetermined position. The steering knuckle 10 may be set up with a predetermined jig so that the strut mounting arm 14 faces upward, or the steering knuckle 10 is tilted sideways so that the inner side in the vehicle width direction of the steering knuckle 10 faces the ground. You may set in the state.

  After that, the bearing 50 with the rotation sensor is held, aligned so that the wire harness 54 comes out to the outside in the vehicle width direction through the recess 30, and is inserted into the bearing insertion opening 32 from the outside in the vehicle width direction. After inserting the bearing 50 with the rotation sensor, the bearing 50 with the rotation sensor is fixed via the bolt 58. As described above, the bearing 50 with the rotation sensor is assembled to the steering knuckle 10. The wire harness 54 of the rotation sensor 52 is routed outward and upward in the vehicle width direction through the recess 30.

  As described above, according to the steering knuckle 10 according to the present embodiment, the concave portion 30 is provided in the main body 12, so that the wire harness 54 is disposed on the same outer side in the vehicle width direction as the side on which the rotation sensor bearing 50 is attached. Can be routed. Since the wire harness 54 can be assembled without being inserted into the bearing insertion opening 32, workability can be improved. Moreover, since there is no process for inserting the wire harness 54 into the bearing insertion opening 32, the working time can be shortened.

  Further, according to the steering knuckle 10 according to the present embodiment, since the wire harness 54 can be routed outward in the vehicle width direction, the wire harness 54 can be routed away from the drive shaft that is the rotating portion.

  Furthermore, in the steering knuckle 10 according to the present embodiment, the recess 30 is formed in the vicinity of the base of the strut mounting arm 14 having high rigidity, so that the rigidity of the steering knuckle 10 is not sacrificed. Further, by forming the concave portion 30, the weight of the steering knuckle 10 can be reduced.

  The present invention has been described above based on the embodiment. It should be understood by those skilled in the art that these embodiments are exemplifications, and that various modifications can be made to the combination of each component and each processing process, and such modifications are also within the scope of the present invention.

1 is a front view of a steering knuckle according to an embodiment of the present invention. It is a top view of the steering knuckle which concerns on embodiment of this invention. It is a front view which shows a mode that the bearing with a rotation sensor was attached to the steering knuckle. It is a top view which shows a mode that the bearing with a rotation sensor was attached to the steering knuckle.

Explanation of symbols

  10 steering knuckle, 12 main body, 14 strut mounting arm, 16 tie rod mounting arm, 18 lower arm mounting, 20 strut mounting, 22 tie rod mounting, 24 brake caliper mounting, 28 bearing mounting, 30 recess, 32 bearing insertion Opening, 50 bearing with rotation sensor, 52 rotation sensor, 54 wire harness.

Claims (2)

A steering knuckle capable of mounting a bearing with a rotation sensor,
A main body provided with a bearing insertion opening for inserting the bearing;
A bearing mounting portion provided on the outer side in the vehicle width direction of the main body portion;
A recess provided in the main body for routing the wire harness of the rotation sensor outward in the vehicle width direction;
A steering knuckle characterized by comprising:   2. The steering knuckle according to claim 1, wherein a strut mounting arm connected to a suspension strut protrudes from the main body, and the recess is provided near a base of the strut mounting arm. .

Images