JP2014166767A - Mounting structure of steering hanger beam - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mounting structure of a steering hanger beam that can more simplify mounting work for a collar than before and reduce cost.SOLUTION: The mounting structure 100 of a steering hanger beam comprises a front pillar 1, a steering hanger beam 3, a bracket 2 and a plurality of bolts B. The front pillar 1 has: a closed cross section K formed between an outer panel 11 and an inner panel 12; a collar C, arranged in the closed cross section K, into which bolts B1 and B2 at the collar side are inserted; and an overlapped flange 13 formed by overlapping a wide flange 12f and an outer flange 11c. The bolts B have: the bolts B1 and B2 at the collar side that fasten the outer panel 11, the inner panel 12 and the bracket 2 through the collar C; and a bolt B3 at the flange side that fastens the outer panel 11, the inner panel 12 and the bracket 2 through the overlapped flange 13.

Description

  The present invention relates to a steering hanger beam mounting structure.

  Conventionally, a steering hanger beam for supporting a steering column and a steering handle is installed between front pillars arranged on the left and right of the front portion of the vehicle. Generally, the steering hanger beam is attached to the front pillar by fixing brackets provided at both left and right ends to the front pillar with a plurality of bolts.

  Further, in such a mounting structure of the steering hanger beam, the front pillar is formed by joining the outer panel on the outside of the vehicle and the inner panel on the inside of the vehicle so as to form a closed section, and a collar in which a bolt is inserted into the closed section. Are arranged (see, for example, Patent Document 1).

JP 2005-119612 A

  However, in the conventional structure, the same number of collars as the number of bolts are provided. Therefore, as the number of bolts increases, the number of collars inevitably increases, and the number of bolts (the number of bracket mounting points) is large. There was a problem that the work of attaching the collar was complicated.

  Moreover, in the conventional structure, since the same number of collars as the number of bolts are provided, there is a problem that the number of parts increases correspondingly and the cost is high.

  The present invention was created from such a viewpoint, and it is an object of the present invention to provide a steering hanger beam mounting structure capable of simplifying the collar mounting operation and reducing the cost as compared with the conventional art. To do.

  In order to solve the above problems, the present invention is provided with left and right front pillars, a steering hanger beam extending between the front pillars, and left and right ends of the steering hanger beam, respectively, and connecting the front pillar and the steering hanger beam. And a plurality of bolts that fasten the front pillar and the bracket, and a front hanger beam mounting structure, wherein the front pillar is disposed outside the vehicle and has an outer flange formed thereon. And an inner panel disposed on the inner side of the outer panel and having an inner flange formed thereon, a closed section formed between the outer panel and the inner panel, and the bolt is inserted into the closed section. Collar, outer flange and a A superposition flange formed by superimposing a narrow flange, and the bolt includes a collar side bolt that fastens the outer panel, the inner panel, and the bracket via the collar, and the superposition flange. And a flange-side bolt that fastens the outer panel, the inner panel, and the bracket.

  According to the present invention, the bolt includes a collar side bolt that fastens the outer panel, the inner panel, and the bracket via the collar, and a flange side bolt that fastens the outer panel, the inner panel, and the bracket via the overlap flange. So that at least one color can be omitted. As a result, the collar mounting operation can be simplified as compared with the prior art, and the cost can be reduced by reducing the number of parts. According to the present invention, the at least one bolt fastens the outer panel, the inner panel, and the bracket via the collar, so that the mounting rigidity and mounting strength of the bracket can be increased.

  Further, the bracket has a mounting portion to which the steering hanger beam is mounted, the overlapping flange and the flange side bolt are disposed above the mounting portion, and the collar and the color side bolt are connected to the mounting portion. It is preferable to adopt a configuration that is arranged below.

  Since the steering hanger beam supports the steering column and steering handle, a relatively large support load (load) is applied to the bolt below the bracket mounting part to which the steering hanger beam is mounted, but compared to the bolt above the mounting part. A small support load is applied. In the present invention, the overlapping flange and the flange side bolt are disposed above the mounting portion, and the collar and the collar side bolt are disposed below the mounting portion, so that while maintaining the mounting rigidity and mounting strength of the bracket, The color mounting operation can be simplified and the cost can be reduced.

  Preferably, the bracket further includes a bracket-side bulging portion, and the inner panel further includes a temporary holding portion capable of temporarily holding the bracket-side bulging portion.

  According to such a configuration, the bracket further includes the bracket-side bulging portion, and the inner panel further includes the temporary holding portion that can temporarily hold the bracket-side bulging portion. Therefore, the bracket is temporarily attached to the front pillar. Can hold. Thereby, the work efficiency at the time of fixing a steering hanger beam and a bracket to a front pillar improves.

  Further, it is preferable that the overlapping flange and the flange side bolt are arranged above the temporary holding portion, and the collar and the collar side bolt are arranged below the temporary holding portion.

  According to such a configuration, the overlapping flange and the flange side bolt are disposed above the temporary holding portion, and the collar and the collar side bolt are disposed below the temporary holding portion. Can be increased.

  Further, a nut fixed to the inner surface of the bracket is further provided, and the collar side bolt and the flange side bolt are inserted from the outer side of the outer panel and screwed into the nut. Is preferred.

  According to such a configuration, the nut is further fixed to the inner surface of the bracket, and the collar side bolt and the flange side bolt are inserted from the outer side of the outer panel and screwed into the nut. And the work efficiency when fixing the bracket to the front pillar is improved.

  According to the present invention, it is possible to provide a mounting structure for a steering hanger beam that can simplify the mounting operation of the collar as compared with the conventional art and can reduce the cost.

It is the disassembled perspective view which looked at the attachment structure of the steering hanger beam which concerns on embodiment of this invention from the vehicle inner side. It is a partial expansion perspective view which shows the state which attached the steering hanger beam which concerns on embodiment to the front pillar. It is a partial expansion perspective view which shows the state which assembled | attached the outer panel and inner panel which concern on embodiment. It is a partial expansion perspective view which shows the state which assembled | attached the bracket to the front pillar of FIG. It is the II sectional view taken on the line of FIG. It is the II-II sectional view taken on the line of FIG.

  Embodiments of the present invention will be described in detail with reference to the drawings. In the description, the same elements are denoted by the same reference numerals, and redundant description is omitted. Note that “front and rear” indicated by arrows in each figure indicates the longitudinal direction of the vehicle body, “up and down” indicates the vertical direction of the vehicle body, and “left and right” indicates the left and right direction (vehicle width direction) viewed from the driver's seat. Show.

  As shown in FIGS. 1 and 2, the steering hanger beam mounting structure 100 according to the embodiment of the present invention includes a front pillar 1, a bracket 2, a steering hanger beam 3, two collars C, and three nuts. N and three bolts B (B1 to B3) are mainly provided. Since the steering hanger beam mounting structure 100 is bilaterally symmetric, only the point where the right end of the steering hanger beam 3 is attached to the right front pillar 1 will be described in the following description.

  The front pillar 1 is a member disposed on the left and right of the front portion of the vehicle (only the right front pillar 1 is shown in FIG. 1). As shown in FIG. 1, the front pillar 1 has a closed cross section K (see FIG. 6) that includes an outer panel 11 having a cross-sectional hat shape disposed on the outer side of the vehicle and an inner panel 12 having a cross-sectional hat shape disposed on the inner side of the vehicle. It is configured to be joined by welding. The closed section K will be described in detail later.

  The outer panel 11 is a member that is long in the vertical direction, and is composed of a single metal plate that is bent by pressing or the like. The outer panel 11 includes an outer groove-shaped portion 11a having a U-shaped cross section that protrudes outwardly from the vehicle, an outer front flange 11b that extends forward from the vehicle inner end of the front wall of the outer groove-shaped portion 11a, and an outer groove shape. And an outer rear flange 11c extending rearward from the vehicle inner end of the rear wall of the portion 11a.

  The outer groove-shaped portion 11a is provided with the opening directed toward the vehicle interior side. The outer groove-shaped part 11a has a side wall formed substantially parallel to the front-rear direction, and a front wall and a rear wall extending from the front and rear ends of the side wall to the vehicle inner side. The front wall and the rear wall are each bent so as to be substantially orthogonal to the side wall.

  The outer front flange 11b is a wall-like portion extending along the vertical direction. The outer front flange 11b is bent so as to be substantially orthogonal to the front wall of the outer groove-shaped portion 11a.

  The outer rear flange 11c is a wall-shaped part extending along the up-down direction. The outer rear flange 11c is bent so as to be substantially orthogonal to the rear wall of the outer groove-shaped portion 11a. The outer rear flange 11c is formed so as to gradually become wider from the lower side to the upper side. A circular and a plurality of bolt insertion holes 11d to 11f are formed through the upper end side of the outer rear flange 11c. The bolt insertion holes 11d to 11f are provided so as to be separated from each other in the vertical and front-rear directions. The collar side bolts B1 and B2 are inserted through the bolt insertion holes 11d and 11e, respectively, and the flange side bolt B3 is inserted through the bolt insertion hole 11f.

  The inner panel 12 is a member that is long in the vertical direction, and is composed of a single metal plate that is bent by pressing or the like. The inner panel 12 includes an inner groove-shaped portion 12a having a U-shaped cross section that protrudes toward the vehicle inner side, an inner front flange 12b that extends forward from the vehicle inner end portion of the front wall of the inner groove-shaped portion 12a, and an inner groove. The inner rear flange 12c extending rearward from the vehicle inner side end portion of the rear wall of the groove-shaped portion 12a and the boundary portion between the inner groove-shaped portion 12a and the inner rear flange 12c, and further to the vehicle inner side than the inner rear flange 12c. And an inner side bulging portion 12d that bulges.

  The inner groove-like portion 12a is provided with the opening facing the vehicle outer side. The inner groove-shaped part 12a has a side wall formed substantially parallel to the front-rear direction, and a front wall and a rear wall extending from the front-rear end of the side wall to the vehicle outer side. The front wall and the rear wall are each bent so as to be substantially orthogonal to the side wall. As will be described later, a columnar pin 12e for temporarily holding the bracket 2 is provided on the side wall of the inner groove-shaped portion 12a so as to protrude toward the vehicle interior side.

  The inner front flange 12b is a wall-like portion extending along the vertical direction. The inner front flange 12b is bent so as to be substantially orthogonal to the front wall of the inner groove-shaped portion 12a. The inner front flange 12b is joined to the outer front flange 11b by welding.

  The inner rear flange 12c is a wall-shaped portion extending along the up-down direction. The inner rear flange 12c is bent so as to be substantially orthogonal to the rear wall of the inner groove-shaped portion 12a. The inner rear flange 12c is joined to the outer rear flange 11c by welding. The inner rear flange 12c has a wide flange 12f formed wider than other portions. The wide flange 12f is formed so as to gradually become wider from the upper side to the lower side. A circular bolt insertion hole 121 is formed through the wide flange 12f. The flange side bolt B3 is inserted through the bolt insertion hole 12l.

  As shown in FIG. 3, the inner-side bulging portion 12d is a portion that is formed across the rear wall of the inner groove-shaped portion 12a and the inner rear flange 12c, and bulges to the vehicle inner side than the inner rear flange 12c. . The inner side bulging portion 12d includes a mounting wall 12g formed substantially parallel to the vertical direction, a first stepped portion 12h extending from the upper end of the mounting wall 12g to the vehicle exterior side, and a vehicle from the rear end of the mounting wall 12g. And a second stepped portion 12i extending outward.

  The mounting wall 12g is a wall-shaped portion whose front end and lower end are continuous with the rear wall of the inner groove-shaped portion 12a. The mounting wall 12g is positioned on the vehicle outer side with respect to the side wall of the inner groove-shaped portion 12a, and is positioned on the vehicle inner side with respect to the inner rear flange 12c. A circular and a plurality of bolt insertion holes 12j and 12k are formed through the mounting wall 12g. The bolt insertion holes 12j and 12k are provided to be separated from each other in the vertical and front-rear directions. As shown in FIG. 1, collar side bolts B1 and B2 are inserted into the bolt insertion holes 12j and 12k, respectively.

  As shown in FIG. 3, the first step portion 12h is a wall-like portion that connects the upper end of the mounting wall 12g and the inner rear flange 12c. The first step portion 12h is bent so as to be substantially orthogonal to the mounting wall 12g. The extending end of the first step portion 12h is continuous with the lower end of the wide flange 12f. In other words, the wide flange 12f is bent so as to extend upward from the extending end of the first stepped portion 12h. As will be described later, the first step portion 12h functions as a temporary holding portion capable of temporarily holding the bracket 2 during assembly. As long as the bracket 2 can be temporarily held, the temporary holding portion may have any configuration.

  The 2nd level | step-difference part 12i is a wall-shaped site | part which connects the rear end of the attachment wall 12g, and the inner rear flange 12c. The second step portion 12i is bent so as to be substantially orthogonal to the mounting wall 12g. The extending end of the second step portion 12i is continuous with the inner rear flange 12c.

  As shown in FIG. 2, the bracket 2 is a member that connects the steering hanger beam 3 to the front pillar 1, and is composed of a single metal plate that is bent by pressing or the like. The bracket 2 includes a bracket main body 21 to which the steering hanger beam 3 is attached, a bracket front wall 22 that extends forward from the front end of the bracket main body 21 and then extends forward, and an outer edge of the bracket 2. And a rib 23 formed over the entire surface.

  A cylindrical attachment portion 21a into which the steering hanger beam 3 is inserted is bulged and formed on the vehicle inner side at substantially the center of the bracket main body portion 21. As shown in FIGS. 2 and 3, the front end of the bracket body 21 swells to the outside of the vehicle corresponding to the shape of the first step 12 h and the wide flange 12 f as shown in FIGS. 2 and 3. The formed bracket side bulging portion 21b is provided. With such a configuration, when the bracket 2 is fixed to the front pillar 1, the bracket 2 can be temporarily held on the front pillar 1 by placing the bracket-side bulged portion 21 b on the first stepped portion 12 h from above. As shown in FIG. 1, the bracket body portion 21 is formed with a circular shape and a plurality of bolt insertion holes 21 c to 21 e. The bolt insertion holes 21c to 21e are provided so as to be separated from each other in the vertical and front-rear directions. Specifically, the two bolt insertion holes 21c and 21d are provided below or in front of the attachment portion 21a, and the one bolt insertion hole 21e is provided above the attachment portion 21a (the bracket side bulging portion 21b). . The collar side bolts B1 and B2 are inserted through the bolt insertion holes 21c and 21d, respectively. The flange side bolt B3 is inserted through the bolt insertion hole 21e. As shown in FIG. 4, nuts N are respectively fixed to the vehicle inner sides of the bolt insertion holes 21c to 21e (the vehicle inner surface of the bracket main body portion 21) by welding.

  The bracket front wall 22 is a wall-shaped part formed substantially parallel to the rear wall and the side wall of the inner groove-shaped portion 12a. A notch 22a into which the pin 12e is inserted and engaged is provided on the upper side of the front end of the bracket front wall 22. The notch 22a is formed so as to be inclined upward while gradually becoming narrower from the front to the rear. The rear end side (back side part) of the notch 22a is formed in an arc shape in accordance with the outer shape of the pin 12e. With such a configuration, when the bracket 2 is fixed to the front pillar 1, the bracket 2 can be temporarily held on the front pillar 1 by inserting and engaging the pin 12 e in the notch 22 a.

  The rib 23 has a function of increasing the rigidity and strength of the bracket 2. The ribs 23 extend over the upper and lower ends and the rear end of the bracket body 21 and the upper and lower ends and the upper portion of the front end of the bracket front wall 22. The rib 23 is bent on the vehicle inner side so as to be substantially orthogonal to the bracket main body 21 and the bracket front wall 22.

  As shown in FIG. 2, the steering hanger beam 3 is a cylindrical metal member that extends in the vehicle width direction and is installed between the left and right front pillars 1 via a bracket 2. The steering hanger beam 3 has a function of supporting a steering column and a steering handle (not shown). The right end side of the steering hanger beam 3 is inserted into the mounting portion 21a and fixed by welding. A column bracket 31 for attaching a steering column is fixed to the outer peripheral surface of the steering hanger beam 3 with a bolt (not shown).

  Here, the closed cross section K, the collar C, and the overlapping flange 13 will be described with reference to FIGS. 1, 5, and 6.

  As shown in FIG. 6, the closed cross section K of the present embodiment is formed between the outer groove-shaped portion 11a, the inner groove-shaped portion 12a, and the inner side bulged portion 12d. The closed section K has a function of increasing the rigidity and strength of the front pillar 1.

  In the closed cross section K, a plurality of cylindrical and metallic collars C are arranged. As shown in FIGS. 5 and 6, the collar C is disposed between the outer rear flange 11c and the mounting wall 12g, and is provided so as to communicate the bolt insertion holes 11d, 11e and the bolt insertion holes 12j, 12k. ing. The collar C is fixed to the inner surface (inner surface) of the outer panel 11 or the outer surface (outer surface) of the inner panel 12 by welding. As shown in FIG. 1, the collar C is provided corresponding to the bolt insertion holes 12j and 12k disposed below the first step portion 12h. The collar C may be formed of a resin material and fixed to the outer panel 11 or the inner panel 12 with an adhesive or the like.

  As shown in FIG. 5, the outer rear flange 11c and the wide flange 12f are overlapped so as to contact each other and joined by welding. With such a configuration, the overlapping flange 13 is formed by the outer rear flange 11c and the wide flange 12f.

  As shown in FIG. 1, the bolt B has two collar side bolts B1 and B2 and one flange side bolt B3. The color side bolts B <b> 1 and B <b> 2 have a function of fastening the outer panel 11, the inner panel 12, and the bracket 2 through the collar C. The color side bolts B1 and B2 are disposed below the first step portion 12h. The collar side bolt B1 is disposed below the attachment portion 21a, and the collar side bolt B2 is disposed in front of the attachment portion 21a. As shown in FIG. 6, the collar side bolt B1 is inserted into the bolt insertion hole 11d of the outer panel 11, the collar C, the bolt insertion hole 12j of the inner panel 12, and the bolt insertion hole 21c of the bracket 2, and the nut N Are screwed together. As shown in FIG. 5, the collar side bolt B2 is inserted into the bolt insertion hole 11e of the outer panel 11, the collar C, the bolt insertion hole 12k of the inner panel 12, and the bolt insertion hole 21d of the bracket 2, and the nut N Are screwed together.

  As shown in FIG. 5, the flange-side bolt B <b> 3 has a function of fastening the outer panel 11, the inner panel 12, and the bracket 2 through the overlapping flange 13. The flange side bolt B <b> 3 is inserted into the bolt insertion holes 11 f and 12 l of the outer panel 11 and the inner panel 12 (overlapping flange 13) and the bolt insertion hole 21 e of the bracket 2, and is screwed into the nut N. The flange side bolt B3 is disposed above the first step portion 12h. Moreover, the flange side bolt B3 is arrange | positioned above the attaching part 21a, as shown in FIG.

  The steering hanger beam mounting structure 100 according to the embodiment of the present invention is basically configured as described above. Next, an assembling method and operational effects thereof will be described.

  First, the collar C is fixed in advance to either the inner surface of the outer panel 11 or the outer surface of the inner panel 12 by welding (see FIG. 1). At this time, the collar C is fixed so as to communicate with either one of the bolt insertion holes 11d and 11e or the bolt insertion holes 12j and 12k.

  Subsequently, the outer panel 11 and the inner panel 12 are fixed to produce the front pillar 1 (see FIGS. 1 and 3). Specifically, the outer front flange 11b and the inner front flange 12b are joined by welding, and the outer rear flange 11c and the inner rear flange 12c are joined by welding. At this time, the collar C, the bolt insertion holes 11d, 11e, and the bolt insertion holes 12j, 12k are fixed so as to communicate with each other (see FIG. 1).

  In addition, the bracket 2 is fixed to the left and right ends of the steering hanger beam 3 during and before the production of the front pillar 1 (see FIGS. 1 and 2). Specifically, the left and right ends of the steering hanger beam 3 are inserted into the mounting portions 21a of the bracket 2 and fixed by welding.

  Subsequently, the bracket-side bulged portion 21b of the bracket 2 is placed on the first step portion 12h of the inner panel 12 from above, and the pin 12e of the inner panel 12 is inserted into and engaged with the cutout portion 22a of the bracket 2 (see FIG. 1, see FIG. Thereby, the bracket 2 to which the steering hanger beam 3 is fixed can be temporarily held on the front pillar 1.

  Finally, the bolt insertion holes 11d and 11e of the outer panel 11, the collar C, the bolt insertion holes 12j and 12k of the inner panel 12, and the bolt insertion holes 21c and 21d of the bracket 2 are connected from the outer side of the outer panel 11 to the collar side. Bolts B1 and B2 are inserted and screwed into the nut N (see FIG. 1). Further, the flange side bolt B3 is inserted from the outer side of the outer panel 11 into the bolt insertion holes 11f and 12l of the outer panel 11 and the inner panel 12 (overlapping flange 13) and the bolt insertion holes 21e of the bracket 2 and screwed into the nut N. (See FIG. 1). Thus, the steering hanger beam 3 is attached to the front pillar 1 via the bracket 2 (see FIG. 2).

  According to the present embodiment described above, the bolt B is connected to the outer panel 11 via the collar C, the collar side bolts B1 and B2 that fasten the outer panel 11, the inner panel 12, and the bracket 2 via the collar C. And the flange side bolt B3 for fastening the inner panel 12 and the bracket 2 to each other, at least one collar C can be omitted. As a result, the mounting operation of the collar C can be simplified as compared with the conventional case, and the cost can be reduced by reducing the number of parts.

  According to the present embodiment, at least one bolt B (two bolts B in the present embodiment) fastens the outer panel 11, the inner panel 12, and the bracket 2 via the collar C. , Mounting strength can be increased. In other words, by using the collar C, the closed section K can be formed at a part (lower part) where the bracket 2 and the front pillar 1 are fixed, so that the mounting rigidity and mounting strength of the bracket 2 can be increased. it can.

  According to the present embodiment, the overlapping flange 13 and the flange side bolt B3 are disposed above the mounting portion 21a, and the collar C and the collar side bolt B1 are disposed below the mounting portion 21a. It is possible to simplify the mounting operation of the collar C and reduce the cost while maintaining the mounting rigidity and the mounting strength. That is, since the bolt B below the mounting portion 21a to which a relatively large support load (load) is applied is constituted by the collar side bolt B1, the mounting rigidity and mounting strength of the bracket 2 can be maintained.

  According to the present embodiment, the overlapping flange 13 and the flange side bolt B3 are disposed above the first step portion 12h, and the collar C and the collar side bolts B1 and B2 are disposed below the first step portion 12h. Therefore, the mounting rigidity and mounting strength of the bracket 2 can be increased.

  According to the present embodiment, the bracket 2 can be temporarily held on the front pillar 1 by placing the bracket-side bulging portion 21 b on the first step portion 12 h of the front pillar 1. Thereby, the work efficiency at the time of fixing the steering hanger beam 3 and the bracket 2 to the front pillar 1 improves.

  According to the present embodiment, the nut N is fixed to the inner surface of the bracket 2, and the collar side bolts B 1 and B 2 and the flange side bolt B 3 are inserted from the outer side of the outer panel 11 and screwed into the nut N. Therefore, the working efficiency when the steering hanger beam 3 and the bracket 2 are fixed to the front pillar 1 is improved.

  According to this embodiment, since the outer flange 11 and the inner panel 12 are connected by forming the overlapping flange 13 and arranging the collar C, the rigidity and strength of the front pillar 1 can be increased.

  As mentioned above, although embodiment of this invention was described in detail with reference to drawings, this invention is not limited to this, In the range which does not deviate from the main point of invention, it can change suitably.

  The number of collars C, nuts N, and bolts B may be appropriately increased or decreased on condition that the number of collars C is smaller than the number of bolts B.

  In the present embodiment, the flange side bolt B3 is disposed above the attachment portion 21a, and the collar side bolt B1 is disposed below the attachment portion 21a. However, the present invention is not limited to this, The flange side bolt B3 and the collar side bolt B1 may be arranged upside down.

  In this embodiment, the collar side bolts B1 and B2 are disposed below the first stepped portion 12h, and the flange side bolt B3 is disposed above the first stepped portion 12h, but the present invention is limited to this. However, the collar side bolts B1 and B2 and the flange side bolt B3 may be arranged upside down.

  In the present embodiment, the nut N is fixed to the inner surface of the bracket 2, and the collar side bolts B <b> 1 and B <b> 2 and the flange side bolt B <b> 3 are inserted from the outer side of the outer panel 11. The nut N may be fixed to the outer surface of the outer panel 11, and the collar side bolts B <b> 1 and B <b> 2 and the flange side bolt B <b> 3 may be inserted from the inner side of the bracket 2.

DESCRIPTION OF SYMBOLS 100 Steering hanger beam mounting structure 1 Front pillar 11 Outer panel 11c Outer rear flange 11d-11f Bolt insertion hole 12 Inner panel 12c Inner rear flange 12d Inner side bulging part 12f Wide flange 12g Mounting wall 12h First step part (temporary holding part )
12j to 12l Bolt insertion hole 13 Overlapping flange 2 Bracket 21a Mounting portion 21b Bracket side bulging portion 21c to 21e Bolt insertion hole 3 Steering hanger beam B Bolt B1, B2 Collar side bolt B3 Flange side bolt N Nut C Color K Closed section

Claims (5)

The left and right front pillars,
A steering hanger beam extending between the front pillars;
Brackets provided on the left and right ends of the steering hanger beam, respectively, for connecting the front pillar and the steering hanger beam;
A steering hanger beam mounting structure comprising a plurality of bolts for fastening the front pillar and the bracket,
The front pillar is
An outer panel disposed on the outside of the vehicle and formed with an outer flange;
An inner panel disposed on the inner side of the outer panel and having an inner flange formed thereon;
A closed cross section formed between the outer panel and the inner panel;
A collar that is disposed within the closed cross section and through which the bolt is inserted;
A superposition flange formed by superimposing the outer flange and the inner flange;
The bolt is
A collar side bolt for fastening the outer panel, the inner panel, and the bracket through the collar;
A flange-side bolt that fastens the outer panel, the inner panel, and the bracket via the overlapping flange;
A steering hanger beam mounting structure characterized by comprising: The bracket has an attachment portion to which the steering hanger beam is attached;
The overlapping flange and the flange side bolt are disposed above the mounting portion,
The steering hanger beam mounting structure according to claim 1, wherein the collar and the collar side bolt are disposed below the mounting portion. The bracket further includes a bracket-side bulging portion,
The steering hanger beam mounting structure according to claim 1 or 2, wherein the inner panel further includes a temporary holding portion capable of temporarily holding the bracket-side bulging portion. The overlapping flange and the flange side bolt are disposed above the temporary holding portion,
The steering hanger beam mounting structure according to claim 3, wherein the collar and the collar side bolt are disposed below the temporary holding portion. A nut fixed to the inner surface of the bracket;
The steering hanger according to any one of claims 1 to 4, wherein the collar side bolt and the flange side bolt are inserted from the outer side of the outer panel and screwed into the nut. Beam mounting structure.

Images