JP2007168479A - Side structure of vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a side structure of a vehicle capable of suppressing vibration of an instrument panel reinforcement and heightening the strength of a front pillar against a collision load when vehicle encounters a head-on collision. <P>SOLUTION: A bracket 58 for mounting the instrument panel reinforcement is fixed by bolts 62 and 66 to a reinforcement mounting part 25 of a reinforcement 24 for the front pillar 14. The reinforcement mounting part 25 of the reinforcement 24 is furnished with ridges 38 and 40 stretching along the vehicle vertical direction in such an arrangement as straddling near the mounting part of the upper part 58A of the bracket 58 and the lower side of the mounting part of the lower part 58B of the bracket 58. From the tops 38A and 40A of the ridges 38 and 40, ridges 86 and 92 are formed continuously upward in front of the vehicle, and from the bottoms 38B and 40B of the ridges 38 and 40, ridges 90 and 94 are formed continuously toward a front side door opening 88 in the rear of the vehicle. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention is applied to a vehicle such as an automobile, and relates to a vehicle side structure in which an instrument panel is coupled to a front pillar.

Conventionally, a vehicle side part structure in which an instrument panel is coupled to a front pillar is known (for example, see Patent Document 1). In this technique, a mounting flange for mounting an instrument panel is joined to an inner panel of a front pillar. Further, the reinforcement disposed in the closed cross section of the front pillar has a bead portion formed along the vehicle vertical direction corresponding to the position of the mounting flange. For this reason, the rigidity of the attachment part of an instrument panel improves by a bead part, and the vibration of the instrument panel reinforcement fixed to an attachment part is suppressed.
Japanese Utility Model Publication No. 63-37383

  However, in the vehicle side part structure of Patent Document 1, the bead part is formed along the vehicle vertical direction of the front pillar, so that the strength against bending load in the vehicle width direction is increased. For this reason, the effect of increasing the strength by the bead portion is small with respect to a collision load (compressive load) acting from the front of the vehicle toward the rear of the vehicle at the time of a frontal collision of the vehicle. As a result, a separate measure for improving the strength of the front pillar with respect to the collision load at the time of the frontal collision of the vehicle is required.

  In view of the above fact, an object of the present invention is to provide a vehicle side part structure capable of suppressing vibration of an instrument panel reinforcement and improving the strength of a front pillar against a collision load at the time of a vehicle front collision.

  The vehicle side part structure according to the first aspect of the present invention is provided on the left and right front pillars arranged in the vehicle vertical direction at both ends in the vehicle width direction of the front part of the passenger compartment, and the front pillars. A door hinge mounting means, an instrument panel reinforcement mounted in a reinforcement mounting portion, the longitudinal direction of which is arranged along the vehicle width direction, and whose longitudinal ends are part of the left and right front pillars; Longitudinal reinforcing means formed longitudinally along the vehicle vertical direction at the reinforcement mounting portion in the front pillar, and continuously formed from the upper end of the vertical reinforcing means toward the door hinge mounting means in front of the vehicle Front upper lateral reinforcing means and rear lower part continuously formed from the lower end of the vertical reinforcing means toward the front side door opening at the rear of the vehicle And having a direction reinforcement means.

  Both ends of the instrument panel reinforcement in the longitudinal direction are attached to the reinforcement mounting part that is part of the left and right front pillars. A longitudinal reinforcing means is formed along. For this reason, the rigidity with respect to the bending generated by the relative displacement in the vehicle width direction between the vehicle upper part and the vehicle lower part at the reinforcement mounting portion of the front pillar is improved by the vertical reinforcing means. In addition, the load acting on the front pillar from the front of the vehicle toward the rear of the vehicle at the time of a frontal collision of the vehicle is directed from the upper end of the vertical reinforcing means to the door hinge mounting means on the front of the vehicle via the door hinge mounting means provided on the front pillar. Are transmitted to the front upper lateral reinforcing means of the front pillar formed continuously and from the lower end of the vertical reinforcing means toward the front side door opening at the rear of the vehicle via the front upper horizontal reinforcing means and the vertical reinforcing means. Are transmitted to the rear lower lateral reinforcing means formed continuously. For this reason, the load acting on the front pillar from the front of the vehicle toward the rear of the vehicle at the time of frontal collision of the vehicle is supported by the door hinge mounting means, the front upper lateral reinforcing means, the vertical reinforcing means, and the rear lower lateral reinforcing means. The front upper lateral reinforcing means and the rear lower lateral reinforcing means suppress the compressive deformation of the front pillar in the vehicle front-rear direction due to the pressing load from the front of the vehicle acting on the front pillar.

  According to a second aspect of the present invention, in the vehicle side part structure according to the first aspect, the front pillar includes a reinforcing plate between the inner panel and the outer panel, and the reinforcing means is formed on the reinforcing plate. It is characterized by that.

  Since the reinforcing means is formed on the reinforcing plate provided between the inner panel and the outer panel of the front pillar, the member attached to the inner panel or the outer panel of the front pillar does not interfere with the reinforcing means.

  According to a third aspect of the present invention, in the vehicle side portion structure according to the second aspect, the vehicle width direction outer side portion of the upper part of the longitudinal reinforcing means or the rear part of the front upper lateral reinforcing means formed on the reinforcing plate. And a rear upper lateral reinforcing means formed from the outer panel portion to the front side door opening on the vehicle rear side.

  Part of the load acting on the front pillar from the front of the vehicle to the rear of the vehicle at the time of a frontal collision of the vehicle is the vehicle width at the upper part of the vertical reinforcing means formed on the reinforcing plate from the door hinge attaching means or the rear part of the front upper lateral reinforcing means. It is transmitted to the rear upper lateral reinforcing means formed from the portion of the outer panel which is the outer side in the direction toward the front side door opening on the vehicle rear side. Therefore, a part of the load acting on the apron upper member from the front of the vehicle toward the rear of the vehicle at the time of the frontal collision of the vehicle is supported by the rear upper lateral reinforcing means formed on the outer panel of the front pillar, and the rear upper lateral direction By the reinforcing means, compressive deformation of the front pillar in the longitudinal direction of the vehicle due to a pressing load from the front of the vehicle acting on the front pillar is suppressed.

  According to a fourth aspect of the present invention, in the vehicle side part structure according to the vehicle side part structure according to any one of the first to third aspects, the reinforcing means is a ridge line formed by bending a plate material. It is characterized by that.

  Since the ridge line obtained by bending the plate material is used as the reinforcing means, the reinforcing means can be easily formed.

  The vehicle side part structure according to the first aspect of the present invention can suppress the vibration of the instrument panel reinforcement and improve the strength of the front pillar against a collision load at the time of a vehicle front collision.

  The vehicle side part structure of the present invention according to claim 2 can easily form the reinforcing means at an effective part.

  The vehicle side part structure according to the third aspect of the present invention can further improve the strength against the collision load at the time of front collision of the front pillar.

  The vehicle side part structure of the present invention according to claim 4 can easily form the reinforcing means.

  An embodiment of a vehicle side part structure according to the present invention will be described with reference to FIGS.

  In the figure, the arrow UP indicates the vehicle upward direction, the arrow FR in the figure indicates the vehicle forward direction, and the arrow IN in the figure indicates the vehicle width inside direction.

  As shown in FIG. 6, in this embodiment, left and right front pillars 14 are arranged along the vehicle vertical direction at both ends in the vehicle width direction of the front portion of the vehicle compartment 12 in the automobile body 10. Further, left and right apron upper members 18 are arranged along the longitudinal direction of the vehicle at the upper ends of both ends of the front body 10A in the vehicle body 10 in the vehicle width direction.

  6 shows the front pillar 14 on the left side of the vehicle, and FIGS. 1 to 4 show the front pillar 14 on the right side of the vehicle.

  As shown in FIG. 2, the front pillar 14 includes a front pillar outer panel 20 as a plate material constituting an outer portion in the vehicle width direction of the front pillar 14 and a front pillar inner as a plate material constituting an inner portion in the vehicle width direction of the front pillar 14. And a reinforcement 22 as a reinforcing plate between the front pillar outer panel 20 and the front pillar inner panel 22 has a wall thickness equal to or greater than that of the front pillar outer panel 20 and the front pillar inner panel 22. Has been placed.

  A recess 26 that is recessed inward in the vehicle width direction is formed at the rear of the front pillar outer panel 20, and the recess 26 prevents interference between the vehicle interior side portion 28 </ b> A of the front side door 28 that is closed and the front pillar 14. is doing.

  The cross-sectional shape of the front portion of the front pillar outer panel 20 viewed from the vehicle vertical direction is a U-shape with the opening facing inward in the vehicle width direction, and from the front end of the vehicle width direction outer wall portion 20A in the vehicle width direction. A front wall portion 20B is formed inward. On the other hand, a rear wall portion 20C is formed from the rear end of the vehicle width direction outer side wall portion 20A toward the vehicle width direction inner side, and the rear wall portion 20C constitutes a front wall portion of the recess 26. Further, an inner side wall portion 20D in the vehicle width direction is formed from the inner end in the vehicle width direction of the rear wall portion 20C toward the rear of the vehicle, and the inner side wall portion 20D in the vehicle width direction constitutes a side wall portion of the recess 26. . A flange 20E is formed at the rear end portion of the vehicle width direction inner wall portion 20D, and a vehicle width direction inner wall portion 20F is formed from the vehicle width direction inner end of the front wall portion 20B toward the front of the vehicle. ing.

  The reinforcement 24 of the front pillar 14 is disposed close to the inner side in the vehicle width direction of the front pillar outer panel 20, and the cross-sectional shape of the front portion of the reinforcement 24 viewed from the vehicle vertical direction has the opening in the vehicle width direction. It is U-shaped toward the inside. A front wall portion 24B is formed from the front end of the vehicle width direction outer wall portion 24A of the reinforcement 24 toward the vehicle width direction inner side.

  From the inner end in the vehicle width direction of the front wall portion 24B of the reinforcement 24, an inclined wall portion 24C that is inclined toward the vehicle width inner front is formed, and from the inner end in the vehicle width direction of the inclined wall portion 24C A flange 24D is formed inward in the width direction. Further, the flange 24D is coupled to the rear surface of the front wall portion 20B of the front pillar outer panel 20 in the vehicle width direction inner portion.

  On the other hand, a rear wall 24E is formed from the rear end of the reinforcement wall 24 in the vehicle width direction outside wall 24A toward the vehicle width direction inside, and from the vehicle width direction inner end of the rear wall 24E to the vehicle rear side. An inner wall portion 24F in the vehicle width direction is formed toward the vehicle. In addition, an inclined portion 24G is formed at an intermediate portion in the front-rear direction of the inner side wall portion 24F in the vehicle width direction, and the inclined portion 24G is formed from the outer front side of the vehicle toward the inner rear side of the vehicle. A ridge line 38 formed by a bent portion serving as a longitudinal reinforcing means extending in the vehicle vertical direction is provided at the front end of the inclined portion 24G, and as a vertical reinforcing means extending in the vehicle vertical direction at the rear end of the inclined portion 24G. A ridge line 40 formed by the bent portion is provided. The ridge line 38 and the ridge line 40 are parallel to each other and formed in the vertical direction. The ridge line 38 is convex toward the rear in the vehicle width direction, and the ridge line 40 is convex toward the front in the vehicle width.

  A rear wall portion 24H is formed in the vehicle width direction from the rear end of the inner wall portion 24F in the vehicle width direction of the reinforcement 24, and rearward from the outer end in the vehicle width direction of the rear wall portion 24H. A flange 24 </ b> I is formed toward the flange 24 </ b> E of the front pillar outer panel 20.

  A vertical wall portion 22A of the front pillar inner panel 22 forms an inner side wall portion of the front pillar 14 in the vehicle width direction, and a flange 22B is formed at a front end edge portion of the vertical wall portion 22A. The flange 22B of the front pillar inner panel 22 is coupled to the inner side wall portion 20F of the front pillar outer panel 20 in the vehicle width direction. A flange 22C is formed at the rear edge of the vertical wall portion 22A, and the flange 22C of the front pillar inner panel 22 is coupled to the flange 20E of the front pillar outer panel 20 and the flange 24I of the reinforcement 24. Yes.

  Therefore, the cross section S1 formed by the front part (U-shaped part) of the front pillar outer panel 20 and the front part of the front pillar inner panel 22 at the front part of the front pillar 14 and the front pillar outer panel 20 at the rear part of the front pillar 14. It is larger than the cross section S2 formed by the rear portion (recessed portion 26) and the rear portion of the front pillar inner panel 22.

  Further, a door opening weather strip 44 is attached to a joint portion of the flange 22C of the front pillar inner panel 22, the flange 20E of the front pillar outer panel 20, and the flange 24I of the reinforcement 24.

  Between the vehicle width direction outer wall portion 20A of the front pillar outer panel 20 and the vehicle width direction outer wall portion 24A of the reinforcement 24, the vehicle width direction outer wall portion 48A of the hinge mounting bracket 48 as a door hinge mounting means is sandwiched. Has been. The hinge mounting bracket 48 is a bent plate material that is thicker than the front pillar outer panel 20, the front pillar inner panel 22, and the reinforcement 24 of the front pillar 14, and from the front end of the outer wall portion 48A in the vehicle width direction to the inner side in the vehicle width direction. A front wall 48B is formed toward the front, and the front wall 48B is coupled to the front surface of the front wall 24B of the reinforcement 24. A rear wall portion 48C is formed from the rear end of the vehicle width direction outer wall portion 48A of the hinge mounting bracket 48 toward the vehicle width direction inner side, and the rear wall portion 48C is the rear wall portion 24E of the reinforcement 24. It is connected to the rear surface.

  The vehicle width direction outer side wall portion 48A of the hinge mounting bracket 48 is disposed along the longitudinal direction of the vehicle in the longitudinal direction, and the front portion of the vehicle width direction outer wall portion 48A is connected to the rear end portion 18A of the apron upper member 18. The front pillar outer panel 20 is joined with the vehicle width direction outer side wall portion 20A interposed therebetween.

  In addition, the code | symbol 50 of FIG. 2 has shown the fender panel, and the code | symbol 52 has shown the door weather strip.

  As shown in FIG. 1, the hinge mounting bracket 48 is mounted at a position that is substantially the center of the rear end portion 18 </ b> A of the apron upper member 18 in the reinforcement 24 of the front pillar 14. A bracket 58 for fixing an instrument panel reinforcement (hereinafter referred to as instrument panel reinforcement) 56 is attached to the rear side of the hinge mounting bracket 48 in the reinforcement 24 of the front pillar 14.

  The instrument panel reinforcement 56 is provided with a steering bracket, a pedal bracket such as a brake and an accelerator, an instrument panel, etc. (not shown).

  As shown in FIG. 4, the bracket 58 is disposed with its longitudinal direction along the vehicle vertical direction, and the upper portion 58A is fixed to the front pillar 14 by two front and rear bolts 62 (see FIG. 3). The lower portion 58B of the bracket 58 is fixed to the front pillar 14 by a single bolt 66.

  Accordingly, a portion of the reinforcement 24 of the front pillar 14 on the outer side in the vehicle width direction of the bracket 58, that is, a portion from the attachment portion of the upper portion 58 </ b> A of the bracket 58 to the attachment portion of the lower portion 58 </ b> B of the reinforcement 24. A reinforcement attachment portion 25 which is a part of the reinforcement 24 of the pillar 14 is formed.

  An instrument panel reinforcement mounting portion 58C bulging inward in the vehicle width direction is formed at an intermediate portion in the vertical direction of the bracket 58, and a mounting hole 68 is formed in the instrument panel reinforcement mounting portion 58C. The mounting hole 68 is inserted with an outer end 56A in the vehicle width direction of a circular pipe-like instrument panel reinforcement 56 from the inner side in the vehicle width direction, and is joined by welding or the like. A gap 70 is formed between the front end 14 of the instrument panel reinforcement 56A and the front pillar 14 in the vehicle width direction.

  The bolt 62 passes through the front pillar outer panel 20, the reinforcement 24, the front pillar inner panel 22, and the upper portion 58 </ b> A of the bracket 58 from the outside in the vehicle width direction to the inside in the vehicle width direction, and the front pillar outer panel 20 and the reinforcement 24 is inserted into a washer 74 disposed between the two. Further, the bolt 62 is fastened to a nut 76 disposed on the inner side in the vehicle width direction of the upper portion 58 </ b> A of the bracket 58.

  Similarly, the bolt 66 passes through the front pillar outer panel 20, the reinforcement 24, the front pillar inner panel 22, and the lower part 58 </ b> B of the bracket 58 from the outside in the vehicle width direction to the inside in the vehicle width direction. A washer 78 disposed between the hosement 24 is inserted. Further, the bolt 66 is fastened to a nut 80 disposed on the inner side in the vehicle width direction of the lower portion 58 </ b> B of the bracket 58.

  As shown in FIG. 1, the ridge line 38 of the inner wall 24 </ b> F in the vehicle width direction of the reinforcement 24 is formed along the longitudinal direction of the vehicle, and the upper end 38 </ b> A is in the vehicle width direction of the reinforcement 24. Near the attachment portion of the upper portion 58A of the bracket 58 in the inner wall portion 24F, the lower end 38B reaches the lower portion of the attachment portion of the lower portion 58B of the bracket 58 in the inner wall portion 24F in the vehicle width direction of the reinforcement 24. Therefore, the ridge line 38 is formed in the reinforcement attachment portion 25 of the reinforcement 24 along the longitudinal direction of the vehicle.

  In addition, a ridge line 86 formed by a bent portion as a front upper lateral reinforcing means is continuously formed from the upper end 38A of the ridge line 38 toward the upper front side of the vehicle. Note that the ridge line 86 is convex upward in the vehicle width outer side.

  As shown in FIG. 5, the front end 86 </ b> A of the ridge line 86 reaches the front end 24 </ b> J of the vehicle width direction inner wall portion 24 </ b> F that is the inner end in the vehicle width direction of the rear wall portion 24 </ b> E of the reinforcement 24. An upper end portion 48D of the rear wall portion 48C of the hinge mounting bracket 48 is coupled to a portion of the rear wall portion 24E of the reinforcement 24 that is on the outer side in the vehicle width direction of 86A.

  Further, from the lower end 38B of the ridge line 38, a ridge line 90 formed by a bent portion as a rear lower lateral reinforcing means is continuously formed toward the front side door opening 88 at the rear of the vehicle. The end 90A reaches the rear wall portion 24H serving as the rear end of the inner wall portion 24F in the vehicle width direction. The ridge line 90 is convex upward in the vehicle width outside.

  Similarly, the ridgeline 40 of the inner wall part 24F in the vehicle width direction of the reinforcement 24 is formed along the vehicle vertical direction in the longitudinal direction, and the upper end 40A is the inner wall part 24F in the vehicle width direction of the reinforcement 24. In the vicinity of the attachment portion of the upper portion 58A of the bracket 58, the lower end 40B reaches the lower portion of the attachment portion of the lower portion 58B of the bracket 58 in the vehicle width direction inner wall portion 24F of the reinforcement 24. Therefore, the ridgeline 40 is formed in the reinforcement attachment portion 25 of the reinforcement 24 along the longitudinal direction of the vehicle in the longitudinal direction.

  Further, a ridgeline 92 formed by a bent portion as a front upper lateral reinforcing means is continuously formed from the upper end 40A of the ridgeline 40 toward the upper front side of the vehicle. The ridgeline 92 is convex downward inward of the vehicle width.

  As shown in FIG. 5, the front end 92 </ b> A of the ridge line 92 reaches the front end 24 </ b> J of the vehicle width direction inner wall portion 24 </ b> F that is the inner end in the vehicle width direction of the rear wall portion 24 </ b> E of the reinforcement 24. The upper end portion 48D of the rear wall portion 48C of the hinge mounting bracket 48 is coupled to a portion of the rear wall portion 24E of the reinforcement 24 that is on the outer side in the vehicle width direction of 92A.

  Further, from the lower end 40B of the ridge line 40, a ridge line 94 formed by a bent portion as a rear lower lateral reinforcing means is continuously formed toward the front side door opening 88 at the rear of the vehicle. The end 94A reaches the rear wall portion 24H which is the rear end of the vehicle width direction inner wall portion 24F.

  As shown in FIG. 4, the ridge line 90 and the ridge line 94 are formed near the lower part of the mounting position of the bracket 58 on the inner wall 24 </ b> F in the vehicle width direction of the reinforcement 24, and the gap between the ridge line 90 and the ridge line 94 is The inclined surface 96 is inclined from the upper inside in the vehicle width direction to the lower outside in the vehicle width direction. The ridgeline 94 is convex downward in the vehicle width.

  As shown in FIG. 4, the front pillar outer panel 20 located on the outer side in the vehicle width direction of the reinforcement 24 is provided with a ridgeline 98 formed by a bent portion as a rear upper lateral reinforcing means. 98 is formed at the lower end of the inclined portion 99 formed on the front pillar outer panel 20 from the upper side in the vehicle width direction to the lower side in the vehicle width direction. A ridge line 100 is formed at the upper end of the inclined portion 99 in parallel with the ridge line 98.

  In addition, the ridgeline 98 is convex toward the vehicle width outer side upper side, and the ridgeline 100 is convex toward the vehicle width inner side lower side.

  Further, the ridge lines 98 and 100 are formed between the attachment portion of the upper portion 58A and the attachment portion of the lower portion 58B of the front pillar outer panel bracket 58 in the front pillar outer panel 20.

  As indicated by a two-dot chain line in FIG. 1, the ridge lines 98 and 100 are formed from the rear portion of the ridge line 92 toward the front side door opening 88 on the rear side of the vehicle from the rear portion in the vehicle width direction. As shown, the rear ends 98A, 100A of the ridgelines 98, 100 reach the rear end of the inner side wall portion 20D in the vehicle width direction of the front pillar outer panel 20.

  Accordingly, as shown in FIG. 1, the ridgeline 38 and the ridgeline 40 are formed in the reinforcement attachment portion 25 in the vehicle width direction inner side wall portion 24F of the reinforcement 24 along the longitudinal direction of the vehicle. In the portion where 38 and 40 are formed, the rigidity of the reinforcement 24 against bending in the vehicle width direction is improved. That is, the ridgelines 38 and 40 suppress the relative displacement in the vehicle width direction (in the directions of arrows A and B in FIG. 4) generated at the upper portion 58A and the lower portion 58B of the bracket 58 for attaching the instrument panel reinforcement 56 to the front pillar 14. It can be done. As a result, the support rigidity of the instrument panel reinforcement 56 is improved, and the vibration of the steering wheel attached to the instrument panel reinforcement 56 can be suppressed.

  A collision load (arrow F1 in FIG. 1) that acts on the apron upper member 18 from the front of the vehicle to the rear of the vehicle at the time of a frontal collision of the vehicle is attached to the front pillar 14 as shown by an arrow F2 in FIG. Via the hinge mounting bracket 48 connected to the member 18, it is transmitted to the ridge lines 86, 92, transmitted from the ridge lines 86, 92 to the ridge lines 38, 40, and transmitted from the ridge lines 38, 40 to the ridge lines 90, 94, It is transmitted from the rear end to the front side door 28. For this reason, the collision load F1 acting on the front pillar 14 from the front of the vehicle toward the rear of the vehicle at the time of a frontal collision of the vehicle, as indicated by an arrow F2 in FIG. 1, is hinge mounting bracket 48, ridge lines 86 and 92, and ridge lines 38 and 40. And the ridgelines 90 and 94 can be supported. In addition, the ridge lines 86 and 92 and the ridge lines 90 and 94 cause the vehicle width direction inner side wall portion 24F of the reinforcement 24 to be applied to the vehicle by a pressing load from the front of the vehicle that acts on the vehicle width direction inner side wall portion 24F of the reinforcement 24. It is possible to suppress compressive deformation in the front-rear direction.

  Further, a part of the collision load (arrow F1 in FIG. 2) that acts on the apron upper member 18 from the front of the vehicle to the rear of the vehicle at the time of a frontal collision of the vehicle is transmitted from the apron upper member 18 to the front pillar outer panel 20, FIG. As shown by the arrow F3, the rear end of the front pillar 14 is transmitted to the front side door 28 via the ridge lines 98 and 100 of the front pillar outer panel 20. Therefore, a part of the collision load F1 that acts on the front pillar from the front of the vehicle toward the rear of the vehicle at the time of the frontal collision of the vehicle can be supported by the ridgeline 92 and the ridgelines 98 and 100, and the front of the vehicle that acts on the front pillar outer panel 20 It is possible to suppress the front pillar outer panel 20 from being compressed and deformed in the vehicle front-rear direction by a pressing load from the vehicle.

  Next, the operation of this embodiment will be described.

  In the present embodiment, as shown in FIG. 2, the front pillar 14 includes a reinforcement 24 between the front pillar outer panel 20 and the front pillar inner panel 22. As shown in FIG. 3, the reinforcement 24 A bracket 58 for attaching the instrument panel reinforcement 56 is fixed to the inner side wall 24F in the vehicle width direction formed on the rear side of the vehicle by bolts 62 and 66 as shown in FIG. Further, as shown in FIG. 1, the ridge line 38 and the ridge line 40 are formed on the reinforcement mounting portion 25 in the inner wall portion 24 </ b> F in the vehicle width direction of the reinforcement 24, the vicinity of the mounting portion of the upper portion 58 </ b> A of the bracket 58, and the bracket 58. Is formed along the vehicle vertical direction straddling the lower part 58B of the lower part 58B. For this reason, in the site | part in which these ridgelines 38 and 40 were formed, the rigidity with respect to the bending to the vehicle width direction of the reinforcement 24 improves. As a result, relative displacement in the vehicle width direction (in the directions of arrows A and B in FIG. 4) generated at the upper part 58A and the lower part 58B of the bracket 58 can be suppressed, and the support rigidity of the instrument panel reinforcement 56 is improved. The vibration of the steering wheel attached to the can be suppressed.

  In the present embodiment, the ridge lines 86 and 92 are continuously formed from the upper ends 38A and 40A of the ridge lines 38 and 40 toward the upper front side of the vehicle, and the front ends 86A and 92A of the ridge lines 86 and 92 are connected to the hinge mounting bracket 48. The rear wall portion 48C reaches the front end 24J of the vehicle width direction inner side wall portion 24F which is the inner end in the vehicle width direction of the rear wall portion 24E of the reinforcement 24 to which the upper end portion 48D of the rear wall portion 48C is coupled. Furthermore, ridge lines 90 and 94 are continuously formed from the lower ends 38B and 40B of the ridge lines 38 and 40 toward the front side door opening 88 at the rear of the vehicle, and the rear ends 90A and 94A of the ridge lines 90 and 94 are in the vehicle width direction. It reaches the rear wall 24H which is the rear end of the inner wall 24F. Therefore, when a collision load (arrow F1 in FIG. 1) acts on the apron upper member 18 from the front of the vehicle to the rear of the vehicle at the time of the frontal collision of the vehicle, the collision load F1 is indicated by the arrow F2 in FIG. The apron upper member 18 is attached to the front pillar 14 and is transmitted to the ridge lines 86 and 92 through the hinge mounting bracket 48. The ridge lines 86 and 92 are transmitted to the ridge lines 38 and 40, and the ridge lines 38 and 40 to the ridge line 90. 94 to the front side door 28 from the rear end of the front pillar 14.

  That is, the collision load F1 acting on the front pillar from the front of the vehicle toward the rear of the vehicle at the time of a frontal collision of the vehicle can be supported by the hinge mounting bracket 48, the ridgelines 86 and 92, the ridgelines 38 and 40, and the ridgelines 90 and 94. As a result, in order to prevent the front pillar 14, particularly the front side door 28 from interfering with each other, the ridge lines 86, 92 and the ridge lines 90, 94, the inner wall portion 24F in the vehicle width direction of the reinforcement 24 is prevented from being compressed and deformed in the vehicle front-rear direction due to a pressing load from the vehicle front acting on the inner wall portion 24F in the vehicle width direction of the reinforcement 24. it can.

  Therefore, in the present embodiment, it is possible to suppress the vibration of the steering wheel attached to the instrument panel reinforcement 56 and to suppress the front pillar 14 from being compressed and deformed in the vehicle front-rear direction at the time of a vehicle front collision.

  In the present embodiment, a part of the load (arrow F1 in FIG. 1) that acts on the apron upper member 18 from the front of the vehicle toward the rear of the vehicle at the time of a frontal collision of the vehicle is transmitted from the apron upper member 18 to the front pillar outer panel 20. Then, as indicated by an arrow F3 in FIG. 1, the light is transmitted from the rear end of the front pillar 14 to the front side door 28 via the ridgelines 98 and 100 of the front pillar outer panel 20. For this reason, it is possible to support a part of the collision load F1 acting on the front pillar from the front of the vehicle toward the rear of the vehicle at the time of the front collision with the ridgeline 92 and the ridgelines 98 and 100. As a result, the front of the vehicle acting on the front pillar outer panel 20 at the rear portion of the front pillar 14 having a reduced cross-sectional area due to the formation of the recess 26 in order to prevent interference with the front pillar 14, particularly the front side door 28. It is possible to suppress the front pillar outer panel 20 from being compressed and deformed in the vehicle front-rear direction by the pressing load from the front, and the strength against the collision load at the time of the front collision of the front pillar 14 can be further improved.

  In the present embodiment, as shown in FIG. 1, ridge lines 38, 40, 86, 90, 92, 94 are rein hoses provided between the front pillar outer panel 20 and the front pillar inner panel 22 of the front pillar 14. Ment 24. For this reason, the member attached to the front pillar outer panel 20 or the front pillar inner panel 22 of the front pillar 14 and the ridgelines 38, 40, 86, 90, 92, and 94 do not interfere with each other. As a result, the ridge lines 38, 40, 86, 90, 92, and 94 can be easily formed in effective portions.

  In the present embodiment, the reinforcing means is the ridge lines 38, 40, 86, 90, 92, 94, 98, 100 formed by bending the reinforcement 24 or the front pillar outer panel 20 as a plate material. The reinforcing means can be easily formed on the front pillar 14.

  In the above, the present invention has been described in detail with respect to specific embodiments. However, the present invention is not limited to the above embodiments, and various other embodiments are possible within the scope of the present invention. It will be apparent to those skilled in the art. For example, in the above embodiment, the ridge lines 38, 40, 86, 90, 92, and 94 are formed on the reinforcement 24 of the front pillar 14 as reinforcing means such as longitudinal reinforcing means, but the ridge lines 38, 40, 86, and 90 are formed. , 92, 94 may be formed in the reinforcement 24 with other reinforcing means such as a convex part, a concave part, and a thick part. Further, instead of the ridgelines 98 and 100, other reinforcing means such as a convex part, a concave part, and a thick part may be formed on the front pillar outer panel 20.

  Further, instead of the reinforcement 24 of the front pillar 14, ridge lines 38, 40, 86, 90, 92, 94 may be formed on the front pillar outer panel 20.

  Further, instead of the front pillar outer panel 20, ridgelines 98 and 100 may be formed in the reinforcement 24.

  In the above embodiment, the ridgelines 98 and 100 are connected to the front side door on the vehicle rear side from the portion of the front pillar outer panel 20 on the outer side in the vehicle width direction at the rear portion of the ridgeline 92 in the inner wall portion 24F in the vehicle width direction of the reinforcement 24. Although formed continuously toward the opening 88, instead of this, the ridgelines 98, 100 from the portion of the front pillar outer panel 20 on the outer side in the vehicle width direction above the ridgeline 40 to the front side door opening 88 on the vehicle rear side. It is good also as the structure formed continuously toward.

  Moreover, in the said embodiment, although the ridgelines 38 and 40 were formed in the perpendicular direction, instead of this, the axial center P1 of the lower volt | bolt 66 and each axial center P2 of the front and rear two volt | bolts 62 provided in upper direction, The ridge lines 38 and 40 may be inclined in the vehicle longitudinal direction so as to be parallel to the straight line L3 passing through the axis P1 between the two straight lines L1 and L2 connecting P3.

  The ridge lines 38 and 40 may be formed at other positions as long as they are within the range from the front end to the rear end of the vehicle width direction inner wall portion 24F of the reinforcement 24.

  In the above-described embodiment, the ridge lines 86 and 92 are inclined toward the upper front side of the vehicle. Instead, the ridge lines 86 and 92 are formed horizontally toward the front side of the vehicle, or toward the lower front side of the vehicle. It is good also as a structure inclined.

  Moreover, in the said embodiment, although the ridgelines 90 and 94 were formed horizontally toward the vehicle rear, it may replace with this and you may incline the ridgelines 90 and 94 toward a vehicle back upper side or a vehicle rear lower side.

It is sectional drawing which followed the 1-1 line | wire of FIG. 2 which shows the vehicle side part structure which concerns on one Embodiment of this invention. FIG. 2 is a cross-sectional view taken along line 2-2 of FIG. 1 showing a vehicle side part structure according to an embodiment of the present invention. It is sectional drawing in alignment with the 3-3 line of FIG. 1 which shows the vehicle side part structure which concerns on one Embodiment of this invention. FIG. 4 is a cross-sectional view taken along line 4-4 of FIG. 1 showing the vehicle side part structure according to the embodiment of the present invention. It is the perspective view seen from the vehicle slanting back outside (direction of arrow 5 of Drawing 2) which shows the reinforcement of the front pillar of the vehicle side part structure concerning one embodiment of the present invention. 1 is a schematic side view showing a vehicle body to which a vehicle side part structure according to an embodiment of the present invention is applied.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Auto body 10A Front body 14 Front pillar 18 Apron upper member 20 Front pillar outer panel (plate material)
22 Front pillar inner panel (plate material)
24 Front pillar reinforcement (reinforcement plate)
25 Reinforcement attachment part of front pillar 28 Front side door 38 Ridge line (longitudinal reinforcement means)
40 Ridge (longitudinal reinforcement means)
48 Hinge mounting bracket (door hinge mounting means)
56 Instrument Panel Reinforcement (Instrument Reinforcement)
58 Instrument panel hose mounting bracket 86 Ridge line (front side upper lateral reinforcement means)
90 Ridge (rear side lower side reinforcement means)
92 Ridge line (Front side upper lateral reinforcement means)
94 Ridge (rear side lower side reinforcement means)
96 Inclined surface 98 Ridge line (rear upper side lateral reinforcement means)
100 ridgeline (rear side upper side reinforcing means)

Claims (4)

Left and right front pillars arranged longitudinally along the vehicle vertical direction at both ends in the vehicle width direction of the front part of the vehicle compartment;
Door hinge mounting means provided on the front pillar;
An instrument panel reinforcement arranged in a longitudinal direction along the vehicle width direction and attached to a reinforcement attachment part in which both longitudinal ends are part of the left and right front pillars;
Longitudinal reinforcing means formed in the longitudinal direction along the vehicle vertical direction at the reinforcement mounting portion in the front pillar;
Front upper lateral reinforcing means continuously formed from the upper end of the vertical reinforcing means toward the door hinge mounting means in front of the vehicle;
Rear lower lateral reinforcing means continuously formed from the lower end of the vertical reinforcing means toward the front side door opening at the rear of the vehicle;
The vehicle side part structure characterized by having.   The vehicle side portion structure according to claim 1, wherein the front pillar includes a reinforcing plate between an inner panel and an outer panel, and the reinforcing means is formed on the reinforcing plate.   Formed from the portion of the outer panel, which is the upper portion of the longitudinal reinforcing means formed on the reinforcing plate or the outer portion in the vehicle width direction of the rear portion of the front upper lateral reinforcing means, toward the front side door opening on the vehicle rear side. The vehicle side part structure according to claim 2, further comprising a rear upper side lateral reinforcing means.   The vehicle side part structure according to any one of claims 1 to 3, wherein the reinforcing means is a ridge line formed by bending a plate material.

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