JP2010069965A - Front suspension member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a front suspension member arranged in the width direction of a vehicle body and fitted with a steering gear box extending in the width direction, where either of the steering gear box for a left-hand drive or the steering gear box for a right-hand drive can be fitted thereto. <P>SOLUTION: The front suspension member has a plurality of fitting parts 1151-1154 for fitting a steering gear box. The plurality of fitting parts 1151-1154 are provided with a spacing in the width direction, and arranged so as to be symmetric to the predetermined reference L at the center in the width direction. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a front suspension member to which a steering gear box that is disposed in the width direction of a vehicle body and extends in the width direction is attached.

  Conventionally, a suspension member is used as a kind of subframe in a four-wheeled vehicle (see, for example, Non-Patent Document 1). Various members constituting the suspension are attached to the suspension member, and the suspension member is attached to the vehicle body. By using a suspension member, the rigidity of the attachment part of various members increases, and the precision of suspension geometry improves. In addition, this also leads to improved assembly accuracy and production efficiency.

  FIG. 1 is a view showing a conventional front suspension member.

  The front suspension member 8 shown in FIG. 1 is disposed across the width direction of the vehicle body, and in FIG. 1, the right front side is the vehicle body front side. In the following, the left and right sides of the body are called separately. In FIG. 1, the left front side is the right side and the right back side is the left side. The front suspension member 8 includes a base portion 81 and a mounting arm 82 which are iron press-formed products. The attachment arms 82 are pipe-shaped welded to the left and right sides of the base portion 81, and the left and right attachment arms 82 are attached to a vehicle body (not shown). A mounting hole 83 for mounting the vehicle body is also provided in each of the left corner and the right corner of the base portion 81 on the rear side of the vehicle body. A lower arm (not shown) is attached to each of the left and right sides of the front suspension member 8. On the left and right sides of the base portion 81, a lower arm mounting portion 84 having a clevis structure is also provided. Further, the base portion 81 is also provided with a bolt hole 85 for bolting a band member to which a stabilizer (not shown) extending in the vehicle body width direction is attached.

  Further, gear box mounting portions 861 and 862 for mounting a steering gear box (not shown) are also welded to the left and right sides of the base portion 81, respectively. An arm-shaped gearbox mounting portion 861 having one mounting hole 8611 provided at the tip is welded on the right side of the base portion 81 shown in FIG. 1, and two mounting holes 8621 are provided on the tip on the left side. The pedestal-shaped gearbox mounting portion 862 is welded.

  The steering gear box has a rack and a pinion. The rack is built in a rack housing extending in the vehicle body width direction, and the pinion is built in a pinion housing protruding from the vehicle body width direction. The pinion housing is connected to the steering shaft via a steering shaft joint. The position of the pinion housing is different for the steering gear box for the left handle and for the right handle. For this reason, conventionally, there are two types of front suspension members, one that can attach a steering gear box for the left steering wheel and one that can attach the steering gear box for the right steering wheel. . The front suspension member 8 shown in FIG. 1 is configured such that a steering gear box for a right steering wheel can be attached.

  FIG. 2 is a view showing a front suspension member to which a steering gear box for the left steering wheel can be attached.

  In FIG. 2, the right back side is the front side of the vehicle body, the right front side is the right side, and the left back side is the left side. 2 also shows a member mounting 91 extending in the longitudinal direction of the vehicle body and a cross member front lower 92 extending in the vehicle body width direction on the front side of the vehicle body relative to the front suspension member 8 '. The member mounting 91 and the cross member front lower 92 shown in FIG. 2 are also iron press-formed products. The rear end of the member mounting 91 shown in FIG. 2 is connected to the front suspension member 8 ′, and the front end is connected to the cross member front lower 92. An engine is mounted on the member mounting 91, and a bolt hole for fixing the engine to the member mounting 91 is provided in each of the front end portion and the rear end portion of the member mounting 91. Also, a radiator attachment portion 921 for attaching a radiator is bolted to each of the left and right sides of the cross member front lower 92 shown in FIG.

  Here, a front suspension member 8 ′ shown in FIG. 2 to which a steering gear box for a left steering wheel (not shown) can be attached has positions of an arm-shaped gear box mounting portion 861 and a base-like gear box mounting portion 862, The front suspension member 8 is the same as the front suspension member 8 shown in FIG. 1 except that it is opposite to the front suspension member 8 shown in FIG.

  FIG. 3 is a view showing a state in which various members are attached to the front suspension member shown in FIG.

In FIG. 3, the port side is the front side of the vehicle body, the starboard side is the right side, and the left hand side is the left side. Further, a steering gear box 93 for a right steering wheel is attached to the front suspension member 8 shown in FIG. FIG. 3 shows a pinion housing 931 provided in the steering gear box 93. Further, lower arms 94 are attached to the left and right sides of the front suspension member 8 shown in FIG. A steering knuckle 941 is connected to the lower arm 94. A hub 942 is attached to the steering knuckle 941 shown in FIG. A drive shaft 947 is connected to the hub 942 via a bearing (not shown). The steering knuckle 941 is connected to a shock absorber 943, and a coil spring 944 is disposed so as to go around the shock absorber 943. Further, a tie rod 945 is connected to the steering knuckle 941. In addition, a stabilizer 946 extending in the vehicle body width direction is attached to a base portion 81 of the front suspension member 8 shown in FIG. 3 by a band member 9462 that is secured to a bolt 9461.
Edited by Gensuke Nagata, “Motor Fan Separate Volume New Model Bulletin No.375 SUZUKI SX4”, Sanei Shobo Co., Ltd., August 26, 2006, page 47

  As described above, the conventional front suspension member can be attached with the front suspension member 8 shown in FIG. 1 to which the steering gear box for the right steering wheel can be attached and the steering gear box for the left steering wheel. It is necessary to prepare two types of shapes with the front suspension member 8 ′ shown in FIG. 2, and there is a problem that it is impossible to reduce the cost by mass-producing the same shape.

  SUMMARY OF THE INVENTION In view of the above circumstances, an object of the present invention is to provide a front suspension member that can be attached to either a steering gear box for a left steering wheel or a steering gear box for a right steering wheel.

The front suspension member of the present invention that solves the above-described object is disposed in the width direction of the vehicle body, and the front suspension member to which a steering gear box extending in the width direction is attached is provided.
A plurality of mounting portions for mounting the steering gear box;
The plurality of attachment portions are provided at intervals in the width direction, and are arranged so as to be a target with respect to a predetermined reference at the center in the width direction.

  Here, the object with respect to a predetermined reference at the center in the width direction means a line symmetry when the reference is a reference line orthogonal to the width direction, and when the reference is a reference point. It becomes a point-symmetrical meaning. The plurality of attachment portions include attachment portions provided at the center in the width direction. In the attachment part provided in the center in the width direction, the attachment part itself is a target with respect to the reference.

  According to the front suspension member of the present invention, it is possible to attach the steering gear box for the left steering wheel or the steering gear box for the right steering wheel by providing the plurality of mounting portions as described above.

  Further, in the front suspension member of the present invention, it is preferable that the plurality of mounting portions are provided in an even number of 4 or more at positions excluding the center in the width direction.

  The four or more mounting portions provided here are arranged so as to be in a positional relationship with respect to a predetermined reference at the center in the width direction. By providing an even number of four or more mounting portions, the steering gear box is mounted in a stable state by the front suspension member.

  Furthermore, in the front suspension member of the present invention, the mounting locations provided on the steering gear box with a space in the width direction are mounted on the remaining mounting portions except for one mounting portion from the plurality of mounting portions. An aspect may be sufficient.

According to this aspect, either the steering gear box for the left steering wheel or the steering gear box for the right steering wheel can be mounted without difficulty. In the front suspension member of the present invention, the plurality of mounting portions are arranged at the center in the width direction. It may be composed of one mounting portion and one or more mounting portions on both sides in the width direction of the mounting portion provided in the center.

  Also by doing so, the steering gear box is stably attached by the front suspension member.

  According to the front suspension member of the present invention, the steering gear box for the left steering wheel or the steering gear box for the right steering wheel can be attached.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 4 is a perspective view of one embodiment of the front suspension member of the present invention as viewed obliquely from above.

The front suspension member 1 shown in FIG. 4 is disposed over the width direction of the vehicle body of the four-wheel vehicle. In FIG. 4, the port side is the front side of the vehicle body, the left front side is the left side, and the right back side is the right side. The front suspension member 1 has a base portion 11 integrally formed of an aluminum alloy casting. The base portion 11 is integrally cast by a high vacuum die casting method. Although the base part 11 shown in FIG. 4 is a big thing, it can be formed into a thin wall by using a high vacuum die casting method. Moreover, since the base portion 11 is made of an aluminum alloy, the weight is reduced. In the present embodiment, casting is performed using an aluminum alloy material for die casting at a molten metal injection speed of 3 m / s or higher and a pressure increase of 300 kg / cm ² or higher.

  The base portion 11 shown in FIG. 4 has vehicle body mounting arm portions 111 on the left and right sides. The vehicle body attachment arm portion 111 has an arm shape that gradually increases from the center in the vehicle width direction toward the outside. A mounting hole 1111 for mounting the vehicle body is provided at the tip of the vehicle body mounting arm portion 111. Further, a cylindrical link structure 112 for lower arm attachment is provided below the front end of the vehicle body attachment arm portion 111.

  Further, the front suspension member 1 has a bracket 12 for mounting a lower arm. In FIG. 4, only one bracket 12 is shown on the left side, but the bracket 12 is bolted to each of the left and right end portions on the back surface side of the base portion 11. The front suspension member 1 of the present embodiment has functions equivalent to those of the front suspension member 8 shown in FIG. 1 and the front suspension member 8 ′ shown in FIG. 2 due to the base portion 11 and the bracket 12. Further, since the front suspension member 1 of this embodiment is made of an aluminum alloy, it is lighter than the front suspension member 8 shown in FIG. 1 or the front suspension member 8 'shown in FIG.

  5 is a diagram when the base portion shown in FIG. 4 is viewed from an oblique left side, and FIG. 6 is a diagram when the base portion shown in FIG. 4 is viewed from below.

  The bracket 12 shown in FIG. 4 is obtained by pressing an aluminum alloy plate material (for example, a spread material), and has a substantially triangular shape. Mounting holes 121 to 123 are provided near the apexes of the substantially triangular bracket 12. As shown in FIG. 5, bolts (not shown) that are passed through bolt holes 1101 provided at the left and right corners of the rear side of the vehicle body are inserted into the largest mounting hole 121. In addition, a bolt (not shown) that passes through a bolt hole 1102 that is provided on the back surface of the base portion 11 shown in FIG. Furthermore, a bolt (not shown) that is passed through a bolt hole 1103 on the front side of the vehicle body provided on the back surface of the base portion 11 shown in FIG. 6 is inserted into the small mounting hole 123 on the front side of the vehicle body. As shown in FIGS. 4 and 5, the bracket 12 has a frustoconical protrusion 125 protruding toward the base part 11. The protrusion 125 is provided with an insertion hole 1251. Further, the base portion 11 is provided with an insertion hole 1104 at a position directly above the protrusion 125, and these two insertion holes 1251 and 1104 face each other to form a clevis structure. In the front suspension member 1 of the present embodiment, the clevis structure is formed by combining with the bracket 12 without providing the clevis structure in the base part 11 in order to facilitate the casting method and to cast the base part 11 at low cost. is doing.

  The lower arm 94 shown in FIG. 3 has a link structure and a clevis structure. The link structure of the lower arm 94 is inserted between the base portion 11 and the bracket 12, and the clevis structure of the lower arm 94 is attached to the base portion 11. The provided cylindrical link structure 112 is sandwiched.

  Also, as shown in FIG. 5, a large number of ribs 113 are wound around the back surface side of the base portion 11. These ribs 113 are also integrally formed by casting.

  Further, as shown in FIGS. 4 and 5, the base portion 11 has an engagement hole 1105 with which one end of a band member (not shown) to which the stabilizer 946 shown in FIG. 3 is attached is engaged, and the band member (not shown). A bolt hole 1106 for bolting the other end is also provided.

  FIG. 4 shows the cross member front lower 2. Similarly to the base portion 11 of the front suspension member 1, this cross member front lower 2 is also made of an aluminum alloy integrally cast by a high vacuum die casting method, and is lighter than the cross member front lower 92 shown in FIG. It has become. A radiator mounting portion 21 for mounting a radiator is integrally formed on the cross member front lower 2 shown in FIG. Further, in the example shown here, the member mounting 91 shown in FIG. 3 extending in the longitudinal direction of the vehicle body is omitted, and the engine is mounted on the cross member front lower 2 and the base portion 11 of the front suspension member 1. Bolt holes 22 and 114 for fixing the engine are provided in the vehicle body rear center portion of the cross member front lower 2 and the vehicle body front center portion of the base portion 11.

  Further, FIG. 4 shows a steering gear box 3 for the right steering wheel. The steering gear box 3 shown in FIG. 4 extends in the vehicle body width direction, and includes a rack housing 31 and a pinion housing 32. The rack housing 31 extends in the vehicle body width direction and incorporates a rack. The pinion housing 32 protrudes from the vehicle body width direction and incorporates a pinion. A steering shaft (not shown) is connected to the pinion housing 32 via a steering shaft joint (not shown). The position of the pinion housing 32 differs between the steering gear box for the left handle and the right handle. In the steering gear box 3 for the right steering wheel shown in FIG. 4, the pinion housing 32 is provided on the right side from the center in the vehicle width direction. The steering gear box 3 has two mounting portions 33 and 34 on the left side and one mounting portion 35 on the right side. These attachment portions 33 to 35 are provided at intervals in the vehicle body width direction. Of the two left mounting parts 33, 34, one mounting part 33 extends at a relatively high position toward the left side, and the other mounting part 34 is relative to the rear side of the vehicle body. It extends at a low position. Each of these two left-side attachment portions 33 and 34 has bolt holes 331 and 341 that open downward at the tip. Also, the right mounting portion 35 has a bolt hole 351 that opens downward at the tip, and this bolt hole 351 is connected to the bolt hole 331 of the mounting portion 33 extending toward the left side in the vehicle body width direction. It exists on the same straight line and exists in the same height position. Therefore, the attachment portion 34 provided on the left side that extends at a relatively low position has leg portions 342 that extend downward as compared with the other attachment portions 33 and 35.

  On the other hand, the base portion 11 of the front suspension member 1 is provided with a total of four bolt holes 1151 to 1154 for mounting the steering gear box, two on the left and right. That is, these four bolt holes 1151 to 1154 are provided at positions excluding the center in the width direction at intervals in the vehicle body width direction. Further, the four bolt holes 1151 to 1154 shown in FIG. 4 are in a positional relationship to be line-targeted with respect to the center in the vehicle body width direction. That is, these four bolt holes 1151 to 1154 are provided two each on the left and right sides, and are symmetrical with respect to a reference line (reference line extending in the longitudinal direction of the vehicle body) L that passes through the center of the vehicle body width direction and is orthogonal to the width direction. It is provided at the position. These four bolt holes 1151 to 1154 correspond to an example of a plurality of attachment portions according to the present invention. Of the two bolt holes provided on the left and right, the bolt holes 1152 and 1153 on the center side in the vehicle body width direction are on the same straight line along the vehicle body width direction, and are provided at a relatively low position on the rear side of the vehicle body. It has been. On the other hand, the outer bolt holes 1151 and 1154 also exist on the same straight line along the vehicle body width direction, but these bolt holes 1151 and 1154 are provided at a relatively high position on the front side of the vehicle body.

  The bolt hole 331 of the attachment portion 33 extending toward the left side of the steering gear box 3 for the right steering wheel shown in FIG. 4 is provided on the left side of the base portion 11 of the front suspension member 1 and is relatively on the front side of the vehicle body. In addition, the bolt holes 1151 are aligned with each other, and bolts (not shown) are bolted to the bolt holes 331 and 1151. Further, the bolt hole 341 of the mounting portion 34 extending toward the rear side of the vehicle body of the steering gear box 3 is provided on the left side of the base portion 11 of the front suspension member 1 and is relatively low on the rear side of the vehicle body. The bolt holes 1152 are aligned with the bolt holes 1151, and bolts (not shown) are bolted to the bolt holes 341 and 1152. Further, a bolt hole 351 of the mounting portion 35 provided on the right side of the steering gear box 3 is provided on the right side of the base portion 11 of the front suspension member 1 and is a relatively high bolt hole 1154 on the front side of the vehicle body. And bolts through bolts (not shown) in both bolt holes 351, 1154. Since the steering gear box 3 for the right handle shown in FIG. 4 is attached to the base member 11 at three locations, it is attached to the base member 11 in a stable state. It should be noted that the bolt hole 1153 provided on the right side of the base portion 11 of the front suspension member 1 on the rear side of the vehicle body and at a lower position is not used for bolting. That is, the three attachment portions 33 to 35 provided in the steering gear box 3 for the right steering wheel shown in FIG. 4 at intervals in the vehicle body width direction are connected to one of the four bolt holes 1151 to 1154 of the base portion 11. It is attached to the remaining attachment portions 1151, 1152, 1154 excluding the bolt holes 1153.

  In the base portion 11 to which the steering gear box 3 is attached, a certain amount of space is ensured between the steering gear box 3 and the rack housing 31. This interval is an interval through which an exhaust pipe (not shown) or a drive shaft for four-wheel drive (not shown) is passed.

  FIG. 7 is a view showing the front suspension member and the steering gear box for the left handle shown in FIG.

  Also in FIG. 7, the port side is the front side of the vehicle body, the left front side is the left side, and the right back side is the right side. FIG. 7 shows a steering gear box 4 for the left steering wheel. The steering gear box 4 for the left steering wheel is different from the steering gear box 3 for the right steering wheel shown in FIG. 4 in the position of the pinion housing 42 and the positional relationship of the three attachment portions 43 to 45. In the steering gear box 4 for the left steering wheel shown in FIG. 7, the pinion housing 42 is provided on the left side from the center in the vehicle width direction. Further, the steering gear box 4 for the left steering wheel has one mounting portion 43 on the left side and two mounting portions 44 and 45 on the right side. That is, it is the same as the three attachment portions 33 to 35 of the steering gear box 3 for the right steering wheel shown in FIG. Accordingly, one of the three attachment portions 43 to 45 has one attachment portion 44 that extends at a position lower than the other two attachment portions 43, 45, compared to the other attachment portions 43, 45. The leg portion 442 extends downward.

  The bolt hole 431 of the mounting portion 43 provided on the left side of the steering gear box 4 for the left steering wheel shown in FIG. 7 is relatively high on the front side of the vehicle body provided on the left side of the base portion 11 of the front suspension member 1. The bolt holes 1151 are aligned with the bolt holes 1151, and bolts (not shown) are bolted to the bolt holes 431 and 1151. Further, the bolt hole 441 of the mounting portion 44 extending toward the rear side of the vehicle body of the steering gear box 4 is provided on the right side of the base portion 11 of the front suspension member 1 and is relatively low on the rear side of the vehicle body. The bolt holes 1153 are aligned with each other, and bolts (not shown) are bolted to both the bolt holes 441 and 1153. Further, the bolt hole 451 of the mounting portion 45 extending toward the right side of the steering gear box 3 is provided on the right side of the base portion 11 of the front suspension member 1 and is a bolt at a relatively higher position on the front side of the vehicle body. The bolts are aligned with the holes 1154, and bolts are passed through the bolt holes 451 and 1154 through bolts (not shown). The steering gear box 4 for the left steering wheel shown in FIG. 7 is also attached to the base member 11 in a stable state because it is attached to the base member 11 in the same manner as the steering gear box 3 for the left steering wheel shown in FIG. . When attaching the steering gear box 4 for the left steering wheel, the bolt hole 1152 provided on the left side of the base portion 11 of the front suspension member 1 on the rear side of the vehicle body and at a lower position is used for bolt tightening. Absent. That is, also here, the three attachment portions 43 to 45 provided in the steering gear box 4 are the remaining attachment portions 1151, 1153, and 1154 excluding one bolt hole 1152 from the four bolt holes 1151 to 1154 of the base portion 11. Attached to.

  As described above, in the front suspension member 1 of the present embodiment, by providing the four bolt holes 1151 to 1154 that are in a line-symmetrical positional relationship, the steering gear box 3 for the right steering wheel shown in FIG. A steering gear box 4 for the left steering wheel shown in FIG. 7 is also attached. In addition, by not using any one of the two bolt holes 1152 and 1153 that are provided at a relatively low position on the rear side of the vehicle body among the four bolt holes 1151 to 1154, Either the steering gear box 3 for the right steering wheel or the steering gear box 4 for the left steering wheel can be attached without difficulty.

  FIG. 8 is a diagram showing the positional relationship of the bolt holes for mounting the steering gear box provided in the base portion.

  In FIG. 8, the left-right direction in the figure corresponds to the vehicle body width direction, the upper direction in the figure is the front side of the vehicle body, and the lower direction is the rear side of the vehicle body.

  FIG. 8A is a diagram showing a positional relationship between the six bolt holes 511 to 516 when six bolt holes for attaching the steering gear box are provided.

  FIG. 8A shows a reference line L extending in the longitudinal direction of the vehicle body as a predetermined reference at the center in the vehicle body width direction. The bolt holes 511 to 516 shown in FIG. 8A are provided on the left and right, respectively, and are in a line-symmetric positional relationship with respect to the reference line L.

  FIG. 8B is a diagram showing a positional relationship between the four bolt holes 521 to 524 when four bolt holes for attaching the steering gear box are provided.

  FIG. 8B shows a reference point P provided at the center in the vehicle width direction as a predetermined reference at the center in the vehicle width direction. The bolt holes 521 to 524 shown in FIG. 8B are provided on the left and right, respectively, and have a point-symmetrical positional relationship with respect to the reference point P.

  FIG. 8C is a diagram showing the relationship between the three bolt holes 531 to 533 when three bolt holes for attaching the steering gear box are provided.

  FIG. 8C also shows a reference point P provided at the center in the vehicle width direction as a predetermined reference at the center in the vehicle width direction, as in FIG. 8B. FIG. 8C shows a bolt hole 531 provided on the left side of the reference point P, a bolt hole 532 provided on the reference point P, and a bolt hole 533 provided on the right side of the reference point P. It is shown. The bolt hole 532 provided on the reference point P is the bolt hole 532 itself with respect to the reference point P. Further, the bolt holes 531 and 533 provided on the left and right respectively have a point-symmetric positional relationship with respect to the reference point P. Even when the reference line L shown in FIG. 8A is used as the predetermined reference in the center of the vehicle body width direction, the three bolt holes 531 shown in FIG. It can be said that it is provided in the target positional relationship. Thus, it is preferable to provide the bolt hole 532 at the center in the vehicle body width direction, since the steering gear box 3 for the right steering wheel and the steering gear box 4 for the left steering wheel can be used in common. In this case, it is necessary to pass an exhaust pipe (not shown) or a drive shaft for four-wheel drive (not shown) away from the center in the vehicle body width direction.

  As described above, even if the positional relationship of the three types of bolt holes described with reference to FIG. 8 is used, either the steering gear box 3 for the right steering wheel or the steering gear box 4 for the left steering wheel can be attached.

  Note that the positional relationship of the bolt holes in the present invention is not limited to the positional relationship described so far. In the present embodiment, the front suspension member 1 is made of an aluminum alloy. However, the front suspension member of the present invention may be made of, for example, iron regardless of the material. Furthermore, although the base portion 11 of the front suspension member 1 in the present embodiment is an integrally molded casting, it may be formed by pressing a wrought material.

It is a figure which shows the conventional front suspension member. It is a figure which shows the front suspension member which was able to attach the steering gear box for left handles. It is a figure which shows a mode that various members were attached to the front suspension member shown in FIG. It is the perspective view which looked at one embodiment of the front suspension member of the present invention from the slanting upper part. It is a figure when the base part shown in FIG. 4 is seen from the diagonal left side. It is a figure when the base part shown in FIG. 4 is seen from the downward direction. FIG. 5 is a view showing a front suspension member and a steering gear box for a left handle shown in FIG. 4. It is a figure which shows the positional relationship of the bolt hole for steering gear box attachment provided in the base part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Front suspension member 11 Base part 111 Car body mounting arm part 1151,1152,1153,1154 Bolt hole 12 Bracket 3 Steering gear box 33,34,35 for right steering wheel 331,341,351 Bolt hole 4 For left steering wheel Steering gear box 43, 44, 45 Mounting part 431, 441, 451 Bolt hole

Claims (4)

In the front suspension member, which is disposed over the width direction of the vehicle body and to which a steering gear box extending in the width direction is attached,
A plurality of mounting portions for mounting the steering gear box;
The front suspension member, wherein the plurality of mounting portions are provided at intervals in the width direction and are arranged so as to be a target with respect to a predetermined reference at the center in the width direction.   The front suspension member according to claim 1, wherein the plurality of mounting portions are provided in an even number of 4 or more at positions excluding the center in the width direction.   The mounting part provided in the said steering gear box with the space | interval in the said width direction is attached to the remaining attachment parts except one attachment part from the said some attachment parts. Front suspension member as described.   The plurality of attachment portions include one attachment portion provided at the center in the width direction and one or more attachment portions provided on both sides in the width direction of the attachment portion provided at the center. The front suspension member according to claim 1, wherein the front suspension member is a thing.