JP5515956B2 - Upper body structure of the vehicle - Google Patents

Description

  The present invention includes a pair of roof side rails extending in the vehicle front-rear direction, a roof panel disposed between the roof side rails, and a pair of front pillars provided in front of each roof side rail and extending in the vehicle front-rear direction. The present invention relates to the upper body structure of a vehicle.

  Conventionally, a pair of roof side rails, a roof panel disposed between the roof side rails, and a pair of front pillars extending in the vehicle front-rear direction in front of the roof side rails are provided at the upper part of the vehicle.

  For example, in Patent Document 1, the front pillar is configured by joining a front pillar inner panel to a side body outer panel of a vehicle body, and the roof side rail is joined to the side body outer panel by a roof side inner panel. An upper body structure of a vehicle constituted by the above is disclosed. In the structure disclosed in Patent Document 1, a reinforcing member is provided across a boundary portion between the front pillar inner panel and the roof side inner panel, and the front pillar inner panel, the roof side inner panel, In a state where the reinforcing members are overlapped with each other, they are joined together by spot welding, thereby improving the rigidity of each panel.

JP 2001-63624 A

  In a vehicle, it is required to increase the rigidity of the vehicle body in order to ensure safety during a collision. However, when the volume of the structure of the vehicle body is simply increased to increase the rigidity of the vehicle body, there is a problem that the visibility is deteriorated by increasing the portion of the window glass shielded by the structure around the window. . Further, when a reinforcing member is provided as in the conventional structure, this reinforcing member must be separately joined to the panel member, which is disadvantageous in terms of cost.

  In view of such circumstances, an object of the present invention is to provide an upper body structure of a vehicle that can secure a wide field of view while ensuring safety of the vehicle with a simple configuration.

In order to solve the above-mentioned problems, the present invention and the like mainly include a roof side rail provided at the upper part of a vehicle and a front pillar provided in front of the roof side rail. Focusing on supporting the impact applied from the side of the vehicle, the width of the roof third rail in the vehicle width direction is sufficient to secure the rigidity of the roof side rail in the vehicle width direction, while the inner edge of the front pillar is more A wide field of view in the front window was secured by positioning it outside. That is, the present invention includes a pair of roof side rails provided at both ends in the vehicle width direction of the upper part of the vehicle body and extending in the vehicle front-rear direction, a roof panel disposed between the roof side rails, and the roof side rails. The vehicle body structure includes a pair of front pillars that are provided in front of the vehicle and that are inclined downwardly toward the front along the front window, wherein each of the roof side rails is perpendicular to the axial direction thereof. Each of the front pillars is provided at an inner edge in the vehicle width direction, and has a shape that forms a closed cross section, and a roof joint portion that is joined to both edges of the roof panel in the vehicle width direction. Each of the front pillars has a front window support portion for supporting both edges of the vehicle in the vehicle width direction. In a state where a width direction inner edge is positioned outside in the vehicle width direction than the vehicle width direction outer edge of the roof junction of the respective roof side rails, from the rear end of the front pillar to have a shape extending forward, said each front pillar The width of the front window support portion in the vehicle width direction is set to be smaller toward the front, and the vehicle upper body structure is provided.

According to this structure, the front window support portion is positioned on the outer side in the vehicle width direction than the roof joint portion of the roof side rail, and supports the front window on the outer side in the vehicle width direction. The field of view in the front window can be widened while ensuring the width and ensuring the rigidity of the roof side rail high.
In particular, since the front window support portion of each front pillar is set so that the width in the vehicle width direction is smaller toward the front, the driver in the vehicle travels or the like while ensuring the rigidity in the vehicle width direction at the rear portion of the front pillar. Can ensure a wide field of view of the front portion, ie, the lower portion, of the front window that is mainly visible.

  In the present invention, each front pillar has a shape in which a cross section in a direction perpendicular to the axial direction forms a closed cross section, a portion of each front pillar surrounding the front cross section of the front pillar, and each roof side It is preferable that a portion of the rail surrounding the closed cross section of the roof side rail is continuous in the vehicle longitudinal direction (Claim 2).

  In this way, if the closed cross section of the front pillar and the closed cross section of the roof side rail are continuous, the impact applied to the front pillar or the roof side rail can be efficiently transmitted to the front pillar or the roof side rail. The impact can be effectively supported by the roof side rail and the front pillar.

  Here, the vertical length of the closed cross section of each front pillar is preferably longer than the vertical length of the closed cross section of each roof side rail.

  In this way, it is possible to secure the rigidity of the front pillar while suppressing the width of the front pillar in the vehicle width direction and widening the field of view. In particular, the front pillar extends downward toward the front of the vehicle.If the vertical length of the closed section in the plane perpendicular to the axial direction is increased, the length in the front-rear direction is increased and the rigidity in the front-rear direction is increased. Enhanced. As described above, the roof side rail mainly supports the impact applied from the side of the vehicle during a side collision of the vehicle, while the front pillar mainly of the roof side rail and the front pillar during the normal collision of the vehicle. Support the impact applied from the front of the vehicle. For this reason, the front pillar has a high rigidity in the front-rear direction as described above, thereby ensuring safety during a forward collision.

Further, in the present invention, the roof panel has a shape extending forward from the rear end of the front pillar, and the roof joint projects forward from the rear end of the front pillar and is rearward of the front pillar. has a projecting portion which is joined to the roof panel at the front from the end, said roof joint portion and the front window support part, preferably are continuous with each other through the projecting portion (claim 4) .

  According to this configuration, the front window support portion and the roof joint portion of the roof side rail are continuous with each other, and an impact applied to the front pillar or the roof side rail is applied to the front window support portion and the roof joint portion. Thus, the shock can be efficiently transmitted to the roof side rail or the front pillar, and the impact can be more effectively supported by the roof side rail and the front pillar.

The said structure WHEREIN: The flange continuous part which consists of the protrusion part of the said roof junction part and the rear-end part of the said front window support part continued to the said protrusion part is the shape by which the width | variety of the vehicle width direction becomes substantially constant in the front-back direction. (Claim 5 ).

  In this way, when an impact is applied to the front pillar or the roof side rail, it is possible to suppress the concentration of stress in the flange continuous portion that is a boundary portion between the front window support portion and the roof joint portion. A load such as an impact load is more efficiently transmitted between the front pillar and the roof side rail.

  As described above, according to the upper body structure of the present vehicle, a wide field of view can be secured with a simple configuration while securing the safety of the vehicle.

It is a schematic side view of the vehicle body provided with the upper vehicle body structure of the vehicle which concerns on embodiment of this invention. It is a top view of the vehicle body shown in FIG. FIG. 3 is a partially enlarged view of FIG. 2, and is a schematic top view of the upper body structure of the vehicle according to the embodiment of the present invention. It is the IV-IV sectional view taken on the line of FIG. 1 and FIG. It is the VV sectional view taken on the line of FIG. 1 and FIG. It is the VI-VI sectional view taken on the line of FIG. 1 and FIG. 1 is a schematic perspective view showing a part of an upper vehicle body structure of a vehicle according to an embodiment of the present invention. 1 is a schematic perspective view showing a part of an upper vehicle body structure of a vehicle according to an embodiment of the present invention. 1 is a schematic exploded view of an upper body structure of a vehicle according to an embodiment of the present invention. It is a schematic top view of the upper vehicle body structure of the vehicle which concerns on other embodiment of this invention. It is a schematic perspective view which shows a part of upper vehicle body structure of the vehicle shown in FIG.

  An upper body structure of a vehicle according to a first embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is a side view of a basic skeleton of an automobile provided with the upper body structure of the vehicle. FIG. 2 is a top view of FIG. 1 and shows a roof portion of the vehicle. FIG. 3 is a partially enlarged view of FIG. In FIG. 3, in a configuration below the front window glass 40 described later, a panel-side flange portion 24 of the roof panel 20 described later is indicated by a solid line, while a front pillar outer flange portion 33 is indicated by a broken line.

  As shown in FIGS. 1 and 2, a pair of roof side rails 10, 10 extending in the vehicle front-rear direction (hereinafter simply referred to as the front-rear direction) are provided at both ends in the vehicle width direction of the upper part of the vehicle. A roof panel 20 formed of a steel plate panel or the like and forming a roof of a passenger compartment is disposed between the roof side rails 10 and 10. Front pillars 30 and 30 extending in the front-rear direction are provided in front of the roof side rails 10 and 10, respectively. These front pillars 30, 30 extend from the vicinity of the front ends of the roof side rails 10, to front fenders 70, 70 that form both sides of the engine room in the vehicle width direction. These front pillars 30 and 30 are inclined downwardly toward the front. A front window glass (front window) 40 is provided between the pair of front pillars 30. The front window glass 40 is disposed at a position where the rear edge 40a extends along the rear edge 30d of the front pillars 30 and 30.

  As shown in FIG. 9 and the like, the roof panel 20 includes an upper surface portion 22 extending in a substantially horizontal direction, a portion bent downward from the outer peripheral edge of the upper surface portion 22, and a panel extending in a substantially horizontal direction from the lower end of the bent portion. A side flange portion 24 is provided. The panel side flange portions 24 are provided on both edges of the roof panel 20 in the vehicle width direction and both edges in the front-rear direction. A front edge of the upper surface portion 22 of the roof panel 20 extends along a rear edge 40a of the front window glass 40, and a part of the panel side flange portion 24 is a rear edge 40a of the front window glass 40, i. The front pillars 30, 30 protrude forward from the rear edge 30d.

  As shown in FIG. 4 which is a sectional view taken along line IV-IV in FIGS. 1 and 3 and FIG. 7 which is a perspective view of a portion rearward from the line IV-IV, below the roof panel 20, there is a vehicle. A front header 28 extending in the width direction is provided. Both ends of the front header 28 in the vehicle width direction are joined to the roof side rail inner 14 (described later) of the roof side rails 10, 10. Below the front header 28 is provided a roof trim 29 that forms the interior of the passenger compartment over the entire ceiling of the passenger compartment.

  The structure of the roof side rail 10 will be described.

  The roof side rail 10 includes a roof side rail outer 12, a roof side rail inner 14, and a roof side rail reinforcement 18. The roof side rail outer 12 extends in the front-rear direction and constitutes a portion of the roof side rail 10 on the outside in the vehicle width direction (hereinafter simply referred to as the outside). The roof side rail inner 14 is disposed along the roof side rail outer 12 below the roof side rail outer 12. The roof side rail inner 14 constitutes a portion of the roof side rail 10 on the inner side in the vehicle width direction (hereinafter simply referred to as the inner side). The roof side rail reinforcement 18 is provided between the roof side rail outer 12 and the roof side rail inner 14 along these.

  The roof side rail outer 12 extends upward while expanding outward from the lower end thereof, and extends substantially parallel to the upper surface 22 of the roof panel 20 toward the inner side at the upper end, and then downwards at the inner end thereof. The roof side rail outer 12 has a shape that is bent and further bent inward from the lower end thereof to extend substantially parallel to the upper surface 22 of the roof panel 20. The inner edge of the roof side rail outer 12 is substantially parallel to the upper surface 22 of the roof panel 20. An extending roof side rail outer flange portion (roof joint portion) 13 is formed.

  The roof side rail inner 14 extends upward inward from the lower end thereof, then bends inward at the upper end thereof and extends substantially parallel to the upper surface 22 of the roof panel 20. A roof side rail inner flange portion 15 is formed on the inner edge of the inner 14.

  The roof side rail outer flange portion 13 and the roof side rail inner flange portion 15 are joined to each other by spot welding or the like with the inner edge of the roof rail reinforcement 18 sandwiched therebetween. The outer edges of the roof side rail outer 12, the roof side rail inner 14, and the roof side rail reinforcement 18 are joined to each other, and a weather strip 90 is attached to these outer edges. Thus, a closed cross section is formed between the roof side rail outer 12 and the roof side rail inner 14 in a plane orthogonal to the axial direction of the roof side rail 10, that is, the front-rear direction.

  The details of the roof side rail outer flange portion 13 will be described.

  The roof side rail outer flange portion 13 is disposed below the panel side flange portion 24 provided at both edges in the vehicle width direction of the roof panel 20 so as to extend along the panel side flange portion 24. The roof side rail outer flange portion 13 includes a rear flange 40 a of the front window glass 40, that is, a main body flange portion 13 c located rearward of the rear edge 30 d of the front pillar 30, 30, and the rear of the front pillar 30, 30. It has a protruding portion 13d protruding forward from the edge 30d. The roof side rail outer flange portion 13 and the panel side flange portion 24 are joined to each other. Specifically, the main body flange portion 13c is joined to a portion of the panel side flange portion 24 that extends rearward from the rear edge 30d of the front pillars 30 and 30. The protruding portion 13d is joined to a portion of the panel-side flange portion 24 that protrudes forward from the rear edge 30d of the front pillars 30 and 30.

  In the present embodiment, the main body flange portion 13c has a shape in which the width in the vehicle width direction is substantially constant along the front-rear direction, and the protruding portion 13d extends from the front end of the main body flange portion 13c. It has a shape in which the width in the vehicle width direction becomes smaller toward the front. More specifically, the protruding portion 13d has a shape in which the inner edge 13a_2 is inclined from the front end of the inner edge 13a_1 of the main body flange portion 13c toward the top portion of the panel side flange portion 13.

  The structure of the front pillar 30 will be described.

  FIG. 5 is a cross-sectional view taken along line VV in FIGS. 1 and 3, FIG. 6 is a cross-sectional view taken along line VI-VI in FIGS. 1 and 3, and a perspective view of a portion behind the line VI-VI. As shown in FIG. 8, the front pillar 30 includes a front pillar outer 32, a front pillar inner 34, and a pillar reinforcement 38. The front pillar outer 32, the front pillar inner 34, and the pillar reinforcement 38 are inclined downwardly toward the front substantially parallel to the front window glass 40, respectively. Below the front pillar 30 is provided a pillar trim 39 that covers the front pillar 30 and constitutes a part of the interior of the passenger compartment.

  The front pillar outer 32 constitutes a portion outside the front pillar 30. The front pillar inner 34 is disposed along the front pillar outer 32 below the front pillar outer 32 and constitutes an inner portion of the front pillar 30. The pillar reinforcement 38 is provided between the front pillar outer 32 and the front pillar inner 34 along these.

  The front pillar outer 32 is made of a single plate made of steel or the like, and when the plate is bent, the front pillar outer 32 faces outward from the lower end in a cross section perpendicular to an axis inclined downward toward the front. It extends upward while expanding, extends inward from the upper end of the front window glass 40 in parallel to the front window glass 40, then bends downward from the inner end thereof, and further bends inward from its lower end to be substantially parallel to the front window glass 40 A front pillar outer flange portion (front window support portion) 33 extending along the front window glass 40 is formed on the inner edge of the front pillar outer 32. The front pillar outer flange portion 33 extends from the rear end to the front end of the front pillar outer 32. As will be described later, the front pillar outer flange portion 33 is for supporting the front window glass 40, and the front pillar outer flange portion 33 can be bent by a simple procedure in which an edge of the steel plate is bent. Is formed.

  The front pillar inner 34 extends upward inward from the lower end thereof, and then bends inward from the upper end thereof to extend substantially parallel to the front window glass 40. A front pillar inner flange portion 35 extending substantially parallel to the front window glass 40 is formed on the inner edge. The front pillar inner flange portion 35 has substantially the same shape as the front pillar outer flange portion 33, and is disposed along the front pillar outer flange portion 33.

  The front pillar outer flange portion 33 and the front pillar inner flange portion 35 are joined by spot welding or the like with the inner end portion of the pillar reinforcement 38 sandwiched therebetween. The lower edges of the front pillar outer 32, the front pillar inner 34, and the pillar reinforcement 38 are joined to each other, and a weather strip 90 is attached to these lower edges. Thereby, a closed cross section is formed between the front pillar outer 32 and the front pillar inner 34 in a cross section in a direction perpendicular to the axis of the front pillar 30.

  The width Wr (see FIG. 4) of the closed cross section of the roof side rail 10 is larger than the width Wf (see FIGS. 5 and 6) of the closed cross section of the front pillar 30 (see FIGS. 5 and 6). 10 has higher rigidity in the vehicle width direction than the front pillar 30.

  The height Hf (see FIGS. 5 and 6) of the closed cross section of the front pillar 30 is set to be longer than the height Hr (see FIG. 4) of the closed cross section of the roof side rail 10. Directional rigidity is enhanced. Here, the height Hf is the height of the closed cross section of the front pillar 30 in a plane orthogonal to the axis of the front pillar 30 that is inclined downward as it goes forward. Accordingly, by increasing the height Hf, the width of the front pillar 30 in the front-rear direction is increased, and the rigidity of the front pillar 30 in the front-rear direction is increased.

  Of the roof side rail 10 and the front pillar 30, when the vehicle side impacts, the roof side rail 10 mainly supports an impact applied from the side of the vehicle. Therefore, as described above, the rigidity of the roof side rail 10 in the vehicle width direction is high, so that the impact at the time of a side collision is efficiently supported by the roof side rail 10.

  On the other hand, when the vehicle hits normally, the front pillar 30 mainly supports the impact applied from the front of the vehicle. Therefore, as described above, the front pillar 30 has high rigidity in the front-rear direction, so that the impact at the time of a forward collision is efficiently supported by the front pillar 30.

  The front pillar 30 and the roof side rail 10 are integrally formed with each other and continuously extend in the front-rear direction. Specifically, the front pillar outer 32 and the roof side rail outer 22 are integrally formed from a single continuous plate. The front pillar inner 34 and the roof side rail inner 24 are integrally formed and extend continuously. The pillar reinforcement 38 and the roof reinforcement 28 are integrally formed and extend continuously. A closed cross section of the front pillar 30 formed by the front pillar outer 32 and the front pillar inner 34, and a roof side rail 10 formed by the roof side rail outer 22 and the roof side rail inner 24. The closed section continuously extends in the front-rear direction. Here, the front pillar outer 32 and the front pillar inner 34 constitute a portion surrounding the closed cross section of the front pillar in the claims, and the roof side rail outer 22 and the roof side rail inner 24 are the roof side in the claims. The part which surrounds the closed cross section of a rail is comprised.

  Details of the front pillar outer flange portion 33 will be described.

  The front pillar outer flange portion 33 is provided with a front window molding 41 for supporting the outer peripheral edge of the front window glass 40. The front window molding 41 is formed by a support member 33 c for supporting the lower surfaces of the left and right edges of the front window glass 40 and a gripping portion 42 for gripping both edges of the front window glass 40. The front window glass 40 is fixed to the front pillar outer flange 33 with the front window molding 41 attached to the outer peripheral edge thereof.

  The front pillar outer flange portion 33 is provided in a region outside the outer edge 13b of the main body flange portion 13c of the roof side rail outer flange portion 13. That is, the inner edge 33 a of the front pillar outer flange portion 33 extends in the front-rear direction on the outer side than the inner edge 13 b of the roof side rail outer flange portion 13.

  The front pillar outer flange portion 33 is a rear edge of the front pillar outer 32 and extends forward from the rear edge 30d of the front pillar 30. The rear end portion of the front pillar outer flange portion 33 is formed on the roof side rail. It overlaps with the protrusion part 13d of the outer flange part 13 in the front-back direction in planar view. The rear end portion of the front pillar outer flange portion 33 is connected to the protruding portion 13d of the roof side rail outer flange portion 13, and the inner edge 33a of the rear end portion of the front pillar outer flange portion 33 is the outer edge of the protruding portion 13d. 13b is on the same line. That is, the protruding portion 13d has a substantially triangular shape with the front end of the main body flange portion 13d of the roof side rail outer flange portion 13 as one side and the inner edge 33a of the rear end portion of the front pillar outer flange portion 33 as one side. doing. In this manner, the front pillar outer flange portion 33 is continuous with the roof side rail outer flange portion 13 through the protruding portion 13d.

  The front pillar outer flange portion 33 includes a portion having a constant width in the vehicle width direction from the rear end thereof, a portion extending forward, a portion extending forward from the portion and gradually decreasing in width in the vehicle width direction. The vehicle width direction includes a portion that extends forward from a portion where the width in the vehicle width direction gradually decreases and has a constant width in the vehicle width direction. Here, the outer edge 33b of the front pillar outer flange portion 33 extends linearly along each edge of the front window glass 30 in the vehicle width direction, and the front pillar outer flange portion 33 becomes more outward as it goes forward. Is located.

  Since the front pillar outer flange portion 33 is positioned outside the outer edge 13b of the roof side rail outer flange portion 13 in this manner, the front winder glass 40 is attached to the roof side rail by the front pillar outer flange portion 33. It is supported at a position outside the outer flange portion 13. In particular, the front window glass 40 is supported at a position outside the front, that is, the lower side. In accordance with the shape of the front pillar outer flange portion 33, the width of the front window glass 40 in the vehicle width direction is such that both edges in the vehicle width direction are outside the outer edge 13b of the roof side rail outer flange portion 13. It is set to be located.

  As described above, in the upper body structure of the vehicle according to the present embodiment, the front pillar outer flange portion 33 supports the front window glass 40 on the outer side, thereby forming a front view of the front window glass 40. A wide area is secured in the vehicle width direction. In particular, the visibility of the lower part of the front window glass 40 that is mainly viewed by the driver when the vehicle is running is ensured, and driving operability and comfort are enhanced. Moreover, the width of the roof side rail 10 in the vehicle width direction is sufficiently secured, and the impact at the time of a side collision is more reliably supported by the roof side rail 10.

  Further, the closed cross section of the front pillar 30 and the closed cross section of the roof side rail 20 are continuous, and the impact at the time of a collision is transmitted through the front pillar outer flange portion 33 and the roof side rail outer flange portion 13 to the front pillar 30 and The impact is efficiently transmitted to the roof side rail 10, and the impact is effectively supported by the front pillar 30 and the roof side rail 10.

  Further, the front pillar outer flange portion 33 and the roof side rail outer flange portion 13 are continuous, and the rigidity of the front pillar outer flange portion 33 and the roof side rail outer flange portion 13 is reinforced with each other to increase their rigidity. In addition, the impact at the time of collision is efficiently transmitted to the front pillar 30 and the roof side rail 10 via the front pillar outer flange portion 33 and the roof side rail outer flange portion 13.

  Here, the vertical length Hf of the closed cross section of the front pillar 30 is not limited to the above, and may be equal to or longer than the vertical length Hr of the closed cross section of the roof side rail 10. However, as described above, if the vertical length Hf of the closed cross section of the front pillar 30 is longer than the vertical length Hr of the closed cross section of the roof side rail 10, the longitudinal rigidity of the front pillar 30 is set. Thus, the front pillar 30 stably supports the impact applied from the front when the vehicle collides.

  The front pillar outer flange portion 33 may be outside the roof side rail outer flange portion 13. For example, the main body portion 33 d of the front pillar outer flange portion 33 has a certain width in the front-rear direction. You may do it. However, as described above, if the width of the rear side of the front pillar outer flange portion 33 is set large and the width of the front pillar outer flange portion 33 is set to be small, that is, the width below the front pillar outer flange portion 33, However, it is possible to increase the rigidity of the rear end portion of the front pillar 30 while ensuring a wide field of view of the lower portion of the front window 40 that is mainly visually recognized.

  Further, as shown in FIGS. 10 and 11, the front pillar 20 has an outer edge 133b of the front pillar outer flange portion 133 extending substantially parallel to an inner edge 113a of the protruding portion 113d of the roof side rail outer flange portion 113, The flange continuous portion 230 formed by the protruding portion 113d and the rear end portion of the front pillar outer flange portion 133 has a constant width in the vehicle width direction from the front end of the flange main body portion 113c of the roof side rail outer flange portion 113 to the front. May extend.

  In the upper body structure of the vehicle according to the second embodiment shown in FIGS. 10 and 11, the inner edge 133a of the front pillar outer flange portion 133 is curved outward from the outer edge 113b of the protruding portion 113d. Outside the outer edge 113 b of the roof side rail outer flange portion 13, it extends forward in parallel with each edge of the front window glass 40 in the vehicle width direction. As described above, the outer edge 133b of the front pillar outer flange portion 133 extends substantially parallel to the inner edge 113a of the protruding portion 113d of the roof side rail outer flange portion 113, and then the inner edge 133a of the front pillar outer flange portion 133. The front window glass 40 extends forward along each edge of the front window glass 40 in the vehicle width direction.

  In addition, according to the shape of the roof side rail outer flange portion 130 as described above, the front window glass 140 has a shape in which both ends of the upper end in the vehicle width direction are curved outward.

  In the vehicle upper body structure according to the second embodiment configured as described above, the vehicle width direction of the flange continuous portion 230 that is a boundary portion between the front pillar outer flange portion 133 and the roof side rail outer flange portion 113 is constant. Thus, the concentration of stress at the boundary portion is suppressed. That is, when an impact is applied to the front pillar 130 or the roof side rail 10, the bending at the boundary portion is suppressed, and the load such as an impact load is efficiently transmitted between the front pillar 130 and the roof side rail 10. Well communicated.

10 Roof Side Rail 13 Roof Side Rail Outer Flange (Roof Joint)
13a Inner edge of roof side rail outer flange part 13b Outer edge of roof side rail outer flange part 13d Projection part 15 Roof side rail inner flange part 20 Roof panel 24 Panel side flange part 30 Front pillar 33 Front pillar outer flange part (front window support part) )
33a Inner edge of the front pillar outer flange portion 33b Outer edge of the front pillar outer flange portion 35 Front pillar inner flange portion 113 Roof side rail outer flange portion (roof joint portion according to the second embodiment)
113d Projection (second embodiment)
133 Front pillar outer flange part (front window support part according to the second embodiment)
230 Flange continuous part

Claims (5)

A pair of roof side rails provided at both ends of the vehicle body in the vehicle width direction and extending in the vehicle front-rear direction, a roof panel disposed between the roof side rails, and provided in front of each roof side rail. An upper body structure of a vehicle including a pair of front pillars that are inclined downwardly toward the front along the front window,
Each of the roof side rails has a shape in which a cross section in a direction perpendicular to the axial direction forms a closed cross section, and has a roof joint portion that is joined to both edges in the vehicle width direction of the roof panel,
Each of the front pillars has a front window support portion provided at an inner edge in the vehicle width direction and supporting both edges of the front window in the vehicle width direction,
The front window support portion of each front pillar is positioned from the rear end of the front pillar in a state in which the inner edge in the vehicle width direction is located outside the outer edge in the vehicle width direction of the roof joint portion of each roof side rail. have a shape which extends forward,
An upper body structure of a vehicle, wherein the width of the front window support portion of each front pillar in the vehicle width direction is set smaller toward the front . The upper body structure of a vehicle according to claim 1,
Each of the front pillars has a shape in which a cross section in a direction perpendicular to the axial direction forms a closed cross section,
A portion of each front pillar that surrounds the closed cross section of the front pillar and a portion of each roof side rail that surrounds the closed cross section of the roof side rail are continuous in the vehicle front-rear direction. Upper body structure. The vehicle upper body structure according to claim 2,
An upper body structure of a vehicle, wherein a vertical length of a closed cross section of each front pillar is longer than a vertical length of a closed cross section of each roof side rail.   The vehicle upper body structure according to any one of claims 1 to 3,
  The roof panel has a shape extending forward from the rear end of the front pillar,
  The roof joint portion has a projecting portion that projects forward from the rear end of the front pillar and is joined to the roof panel in front of the rear end of the front pillar,
  The upper body structure of a vehicle, wherein the roof joint portion and the front window support portion are continuous with each other through the protrusion.   The vehicle upper body structure according to claim 4,
  The flange continuous portion composed of the projecting portion of the roof joint portion and the rear end portion of the front window support portion continuing to the projecting portion has a shape in which the width in the vehicle width direction is substantially constant in the front-rear direction. An upper body structure of a vehicle, characterized in that

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