JP6137205B2 - Rear body structure of automobile - Google Patents

Description

  The present invention relates to a rear vehicle body structure including a damper support portion that supports a damper of a rear suspension and a rear header that extends in a vehicle width direction at a rear end portion of a roof panel.

  Generally, in an automobile equipped with a lift gate, if the lift gate is forwarded to the vicinity of the upper portion of the damper support portion due to the vehicle design, a rear header extending in the vehicle width direction is positioned on the front side at the rear end portion of the roof panel. Since the rear pillar tilts forward, it is difficult to ensure rigidity for preventing parallelogram deformation at the rear of the vehicle body.

  Therefore, it is conceivable to connect the above-mentioned damper support part and the rear header in the vertical direction by a reinforcing structure. However, when a quarter window for rear side viewing is provided above the damper support part, the above-described reinforcing structure is used. And the quarter window overlap in the vehicle longitudinal direction, it is difficult to provide a reinforcing structure in the vertical direction.

  On the other hand, it is also conceivable to support the above-described damper support portion with an intermediate pillar located on the front side of the quarter window. However, in this case, the intermediate pillar is greatly bent backward, and its rigidity is lowered, which is not preferable.

  It is also conceivable that the closed cross section is continuous from the rear pillar to the roof side rail. In this case, the closed cross section and the damper load are orthogonal to each other, and in order to prevent deformation of the closed cross section, the closed cross section is considered. It is necessary to provide a knot member such as a bulkhead in the cross section, and an opening for fixing the knot member by welding is provided, so that productivity and assembly are not only deteriorated, but also an opening for welding is formed. As a result, there is a problem that the rigidity is lowered.

  By the way, Patent Documents 1 and 2 disclose a damper support structure in which a substantially Y-shaped reinforcing portion is provided in the vehicle side view along the quarter window on the vehicle outer side of the damper supporting portion. Crosses the rear pillar closed section and the like, and there is a problem that productivity is poor because a joint member and reinforcement are required to prevent deformation of the closed section.

Japanese Utility Model Publication No. 64-16488 JP 2008-62748 A

  Accordingly, the present invention provides a rear body structure of an automobile that can improve the connection rigidity (so-called box rigidity) of the left and right damper support portions and ensure the rear side field of view with a highly productive structure. With the goal.

A rear vehicle body structure of a vehicle according to the present invention is a rear vehicle body structure including a damper support portion that supports a damper of a rear suspension, and a rear header that extends in a vehicle width direction at a rear end portion of a roof panel. A pillar-shaped reinforcing portion for connecting the damper supporting portion and the rear header in the vertical direction is provided on the vehicle exterior side corresponding to the supporting portion, and the middle portion in the vertical direction of the front edge of the pillar-shaped reinforcing portion is recessed rearward. A concave portion forming a part of the window opening, a downwardly projecting triangular structure provided along the frame of the window, and an upper end inclined forward to the upper rear side of the pillar-shaped reinforcing portion. in a hotel has been rear pillar, the site of the upper than the recess of the pillar-shaped reinforcing portion is supported from the vehicle longitudinal direction, the middle portion of the rear and the rear pillar of the pillar-shaped reinforcing portion The rear anchor of the pillar-shaped reinforcing portion is bent so that the rear edge of the pillar-shaped reinforcing portion is located above the concave portion and below the rear edge of the rear header while being bent behind the concave portion. It extends along the rear pillar until it is located .

  According to the above configuration, the pillar-shaped reinforcing portion that connects the damper supporting portion and the rear header in the vertical direction is provided, and the concave portion is formed in the middle portion in the vertical direction of the front edge of the pillar-shaped reinforcing portion. It is possible to improve the connection rigidity (so-called box rigidity) of the parts and to secure the rear side field of view.

Moreover, since the pillar-shaped reinforcing portion is supported from the front and rear by the triangular structure described above and the rear pillar provided on the upper rear side of the pillar-shaped reinforcing portion, the productivity is higher than that of the conventional structure in which the closed cross section is directly connected. It can be a good structure.
In short, it is possible to achieve both improvement in the connection rigidity of the left and right damper support portions and the securing of the rear side field of view with a structure with good productivity.

Further, since the belt anchor is bridged between the rear portion of the pillar-shaped reinforcing portion and the intermediate portion of the rear pillar, the belt anchor has a higher support rigidity and a relatively thick belt anchor. Since the rear part of the pillar-shaped reinforcing part and the rear pillar intermediate part are connected, the rigidity in the front-rear direction can be improved.

  In one embodiment of the present invention, the lower end portion of the triangular structure is formed by an intermediate pillar reinforcement that extends downward along the front edge of the pillar-shaped reinforcing portion.

  According to the above configuration, the intermediate pillar reinforcement is restrained from being bent, and the intermediate pillar reinforcement is connected to the front edge of the pillar-shaped reinforcing portion so that both the front edge reinforcement and the intermediate pillar rigidity are ensured. be able to.

  In one embodiment of the present invention, the forwardly inclined upper end portion of the rear pillar and the recessed portion upper portion of the pillar-shaped reinforcing portion extend upward substantially in parallel and extend inward in the vehicle width direction along the rear header. It is.

  According to the above configuration, a connection structure with a closed cross-section in which a node member is disposed inside is avoided, and the rear header is reinforced from the rear portion at the upper inclined end portion of the rear pillar, ensuring good productivity and Coexistence with rigidity improvement can be aimed at.

  According to the present invention, there is an effect that it is possible to achieve both the improvement of the connection rigidity (so-called box rigidity) of the left and right damper support portions and the securing of the rear side field of view with a structure with good productivity.

Side part showing rear body structure of automobile of the present invention Side surface shown with the vehicle body skin removed from FIG. Perspective view of FIG. Side view showing the rear body structure of an automobile as seen from the vehicle interior side The top view which shows the rear body structure of a car in the state where the roof panel was removed 1 is a cross-sectional view taken along the line AA in FIG. 1 is a cross-sectional view of the main part along the line BB in FIG. Cross-sectional view of the upper part of the vehicle body along the line CC in FIG. Cross-sectional view of the lower part of the vehicle body along the line CC in FIG.

The damper support part for supporting the damper of the rear suspension has the purpose of improving the connection rigidity (so-called box rigidity) of the left and right damper support structures and ensuring the rear side view in a structure with good productivity. And a rear body structure of a vehicle including a rear header extending in the vehicle width direction at a rear end portion of the roof panel, and a pillar that vertically connects the damper support portion and the rear header on the vehicle outer side corresponding to the damper support portion. A concave portion that forms a part of the window opening is formed by recessing the middle portion in the vertical direction of the front edge of the pillar-shaped reinforcing portion to the rear, and is provided along the frame of the window. A downwardly convex triangular structure, and a rear pillar that is inclined forward and an upper end portion is provided on the upper rear side of the pillar-shaped reinforcing portion, and a portion above the concave portion of the pillar-shaped reinforcing portion is It is supported from both front and rear direction, between the intermediate portion of the rear and the rear pillar of the pillar-like reinforcing portion, which spans the belt anchor, the rear edge of the pillar-shaped reinforcing portion is above the said recess in, it was achieved by construction that that extends along the rear pillar until located beyond the recess while bent so as to be positioned rearward enough below the trailing edge of the Riyahedda.

An embodiment of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a side view showing the rear vehicle body structure, FIG. 2 is a side view showing a state in which a vehicle body outer plate is removed from FIG. 1, and FIG. 3 is a perspective view of FIG. .

  In FIG. 1, this automobile projects the lift gate 1 forward to the vicinity of the upper portion of a damper support bracket 27 (see FIG. 4) as a damper support portion to be described later because of vehicle design.

1 to 3, a side outer panel 7 is provided as a vehicle body outer plate that integrally covers a center pillar (not shown), a roof side rail 2, an intermediate pillar 3, a rear pillar 4, a rear fender 5, and a side sill 6.
A rear seat door opening 8 (so-called entrance / exit) surrounded by the center pillar (not shown), the roof side rail 2, the intermediate pillar 3, the rear fender 5, and the side sill 6 is formed. A quarter window opening 9 (so-called window opening) surrounded by the intermediate pillar 3, the rear part of the roof side rail 2, the upper front side of the rear pillar 4, and the upper part of the rear fender 5 is formed.

Between the left and right roof side rails 2 and 2 (only the roof side rail 2 on the right side of the vehicle is shown in the drawing), the front header (not shown) at the front of the vehicle, and the rear header 10 at the rear of the vehicle A roof panel 11 is provided.
The rear header portion 10 described above extends in the vehicle width direction on the upper side of the rear portion of the vehicle body. On the other hand, a rear end portion 12 extending in the vehicle width direction is provided below the rear portion of the vehicle body.
In the rear part of the vehicle body, the left and right rear pillars 4 and 4 (only the rear pillar on the right side of the vehicle is shown), the rear header part 10 and the rear end part 12 are surrounded by a cargo compartment opening 13 (FIG. 3). The luggage compartment opening 13 is configured to be opened and closed by the lift gate 1 shown in FIG.

  4 is a side view showing the rear body structure of the automobile as viewed from the vehicle interior side, FIG. 5 is a plan view showing the rear body structure of the automobile with the roof panel 11 removed, and FIG. 7 is a cross-sectional view of the main part along the line A, FIG. 7 is a cross-sectional view of the main part along the line BB in FIG. 1, and FIG. 8 is a cross-sectional view of the upper part of the vehicle body along the line CC in FIG. FIG. 9 and FIG. 9 are cross-sectional views of the lower part of the vehicle body along the line CC in FIG.

  As shown in FIGS. 3 and 4, a floor panel 14 that forms the floor surface of the passenger compartment is provided, and a tunnel extending in the front-rear direction of the vehicle protrudes toward the interior of the vehicle at the center of the floor panel 14 in the vehicle width direction. The part 15 is formed integrally or integrally.

  As shown in FIG. 3, a side sill inner 16 of a side sill 6 extending in the front-rear direction of the vehicle is connected and fixed to the left and right sides of the floor panel 14. The floor cross members 17 and 18 are laid horizontally apart from each other in the longitudinal direction.

  As shown in FIG. 4, a rear floor 19 (specifically, a rear floor panel) is continuously provided at the rear portion of the floor panel 14, and a concave portion 19a also serving as a spare tire pan is integrally formed at the rear portion of the rear floor 19 so as to be lowered. doing.

  As shown in FIGS. 4, 6 and 9, the left and right sides of the rear floor 19 (however, only the right side of the vehicle is shown in the drawings) are provided with a rear side frame upper 20 extending in the front-rear direction of the vehicle, and a rear side frame lower. The rear side closed section 22 extending in the front-rear direction of the vehicle is formed.

  As shown in FIG. 6, a wheel house inner 23 is connected and fixed to the outer side in the vehicle width direction and above the rear side frame lower 21, and a wheel house outer 24 is connected to the outer side in the vehicle width direction of the wheel house inner 23. The wheel house is formed by both of these 23 and 24.

  As shown in FIG. 6, a side panel inner lower 25 is integrally or integrally formed with the wheel house outer 24, and a side panel inner upper 26 is joined and fixed to the upper portion of the side panel inner lower 25. Yes.

  As shown in FIGS. 4 and 6, dampers are provided to the elements 25, 23, and 23a from the side panel inner lower 25 to the top of the wheel house inner 23 and the upper portion of the inner side surface 23a of the wheel house inner 23 in the vehicle width direction. A damper support bracket 27 as a support portion is joined and fixed.

  As shown in FIG. 4, at the lower part of the damper support bracket 27, two leg portions 28 and 29 that form a closed cross section with the vehicle lateral direction inner side surface 23 a of the wheel house inner 23 are provided.

  The front leg portion 28 is connected and fixed to a rear side frame upper 20 extending from the lower part of the damper support bracket 27 to a rear cross member 30 (so-called No. 4 cross member) extending in the vehicle width direction on the upper surface of the rear floor 19. Has been.

  The rear leg portion 29 extends rearward and downward from the lower portion of the damper support bracket 27 and is connected and fixed to the rear side frame upper 20. The damper support bracket 27 and the pair of front and rear legs 28 and 29 are configured to ensure damper support rigidity and prevent the wheel house from falling down.

On the other hand, as shown in FIG. 9, the rear end portion 12 described above is provided at the rear end portion of the rear floor 19.
The rear end portion 12 includes a rear end panel 31 extending in the vertical direction, an inner panel 32, and an outer panel 33. The three end members 31, 32, 33 are joined and fixed, and a rear end closed section 34 extending in the vehicle width direction. , 35 are formed to improve the rigidity of the lower vehicle body.
As shown in FIGS. 1 to 5, a rear end side panel 36 is connected and fixed to an outer portion in the vehicle width direction of the rear end portion 12 described above.

  In FIG. 9, reference numeral 37 denotes a spring receiving portion for receiving the spring load of the rear suspension provided at the lower portion of the rear side frame lower 21. The spring receiving portion 37 is disposed in the rear side closed section 22 so as to face the spring receiving portion 37 in the vertical direction. A reinforcement 38 is provided, and the reinforcement 38 is joined and fixed to the rear side frame lower 21.

  As shown in FIGS. 3 and 8, a plurality of roof rains 39 that extend in the vehicle width direction are horizontally mounted via adhesives or fillers immediately below the roof panel 11. Each of these roof rains 39 is installed between the left and right roof side rails 2 and 2.

  2 and 3, the damper support bracket 27 and the above-described rear header portion 10 are connected in the vertical direction on the vehicle exterior side corresponding to the damper support bracket 27 (see FIG. 4) as the damper support portion. A pillar-shaped reinforcing portion 40 is provided.

  In this embodiment, the pillar-shaped reinforcing portion 40 is composed of a damper support outer rain 41 having a hat-like cross-sectional shape in plan view, and a rear header side panel 42 connecting the upper portion of the damper support outer rain 41 and the rear header portion 10. It is comprised by the member.

  As shown in FIG. 2 and FIG. 3, the middle part of the front edge of the pillar-shaped reinforcing part 40 in the vertical direction, more specifically, the lower front edge of the rear header side panel 42 is recessed rearward for a quarter window as a window opening. A recess 9 a that constitutes a part of the opening 9 is formed.

  And the downward convex convex triangular structure 45 provided along the frame of the quarter window by the upper part of the above-mentioned damper support outer rain 41, the rear header side panel 42, the rear part of the rear rain 43, and the intermediate pillar rain 44. That is, an inverted triangular structure 45 is formed.

  Here, the damper support outer rain 41 described above is bonded and fixed across the top of the wheel house outer 24, the outer surface of the side panel inner lower 25, and the outer surface of the side panel inner upper 26 so as to face the damper support bracket 27. A closed cross section S1 (see FIG. 6) is formed.

  Further, as shown in FIG. 7, the rear header side panel 42 described above is joined and fixed to the outer surface of the side panel inner upper 26 at the outer side in the vehicle width direction to form a closed cross section S2, and the inner side in the vehicle width direction. As shown in FIG. 8, a closed cross section S3 is formed which is joined and fixed to the upper surface of the rear pillar upper inner panel 46 to be continuous with the above-described closed cross section S2.

  Further, the above-described rear rain 43 is a reinforcement of the roof side rail 2. In this embodiment, as shown in FIGS. 3 and 5, the reinforcement of the roof side rail 2 is divided into a central rain 47, an intermediate rain 48, and a rear rain 43. , 43 are joined and fixed to the upper portions of the roof side rail inners 49 and 50 and the side panel inner 26 shown in FIG. 4 to form a closed section extending in the front-rear direction of the vehicle.

In addition, as shown in FIG. 7, the above-described intermediate pillar rain 44 joins three pieces of the intermediate pillar outer 51, the intermediate pillar inner 52 (specifically, part of the side panel inner upper 26), and the intermediate pillar rain 44. The closed section S4 is formed by fixing.
That is, the above-described triangular structure 45 is formed in an inverted triangular closed section annular structure by the closed sections S1 to S4 shown in FIGS.

  Further, as shown in FIG. 2, the lower portion of the intermediate pillar rain 44 described above extends downward along the front edge of the damper support outer rain 41 constituting the pillar-shaped reinforcing portion 40. Are joined and fixed to the front edge of the damper support outer rain 41, the outer surface of the side panel inner lower 25, and the outer surface of the side panel inner upper 26, and the lower end portion of the triangular structure 45 is formed by the intermediate pillar rain 44. .

  Thus, the lower end of the intermediate pillar rain 44 is connected to the front edge of the damper support outer rain 41 without connecting the closed cross section S1 (see FIG. 6) of the damper support outer rain 41 and the closed cross section S4 of the intermediate pillar rain 44 in communication. The intermediate pillar rain 44 is restrained from bending, and the intermediate pillar rain 44 is connected to the front edge of the damper support outer rain 41 so that the front edge is reinforced and the rigidity of the intermediate pillar 3 is ensured. It is configured accordingly.

  As shown in FIG. 4, the rear pillar 4 is divided into a plurality of rear pillar inners 53 and 54 and a rear pillar upper inner panel 46 divided in the longitudinal direction, and a plurality of parts divided in the longitudinal direction as shown in FIGS. As shown in FIG. 5, the rear pillar reinforcement 55 and the corner reinforcement 56, and a rear pillar outer panel 57 that is not divided in the longitudinal direction are joined and fixed to form a vehicle body strength member that forms a rear pillar closed section.

As shown in FIG. 2, the above-described rear pillar 4 is inclined forward, and the upper end portion thereof, that is, the upper end portion 56 a of the corner reinforcement 56 forms the pillar-shaped reinforcing portion 40. It is attached to the upper rear side.
And the rear header side panel 42 located above the above-mentioned recessed part 9a is supported by the upper end part of the rear pillar 4 and the triangular structure 45 from the vehicle front-back direction.

  As described above, the pillar-shaped reinforcing portion 40 that connects the damper support bracket 27, which is a damper supporting portion, and the rear header portion 10 in the vertical direction is provided, and the concave portion 9a is provided in the vertical middle portion of the front edge of the pillar-shaped reinforcing portion 40. To improve the connection rigidity of the left and right damper support parts (rigidity against parallelogram deformation of the vehicle body) and to secure the rear side view as shown by the arrow α in FIG. It is a thing.

In addition, the above-described triangular structure 45 and the rear pillar 4 provided on the upper rear side of the pillar-shaped reinforcing portion 40 are configured to support the pillar-shaped reinforcing portion 40 from the front and back, thereby directly connecting the closed cross section. Compared to the structure, it is a productive structure.
In short, it is configured to achieve both the improvement in the connection rigidity of the left and right damper support portions and the securing of the rear side field of view with a structure with good productivity.

  As shown in FIG. 7, the outer side portion of the corner reinforcement 56 in the vehicle width direction is formed in a substantially L shape in plan view, and both front and rear end portions of the corner reinforcement 56 are joined to the rear pillar upper inner panel 46. The closed section S5 is formed by being fixed.

  As shown in FIG. 8, the inner side portion of the corner reinforcement 56 in the vehicle width direction is formed in a substantially hat shape in a side view, and the front flange portion 56b is a rear flange portion of the rear header side panel 42. 42a and the rear pillar upper inner panel 46 are welded and fixed, and a flange 56c on the rear side of the corner reinforcement 56 is a flange of the outer panel 58 of the cargo compartment opening 13 (see FIG. 3) as a lift gate opening. Three pieces are welded and fixed to a portion 58a and a flange 46a on the rear side of the rear pillar upper inner panel 46, and a closed cross section S6 is formed between the corner reinforcement 56 and the rear pillar upper inner panel 46. Yes.

That is, as shown in FIG. 8, the rear header portion 10 is provided with two closed cross sections S3 and S6 spaced apart from each other in the front-rear direction, thereby improving the rigidity of the rear header.
3 and 5, 59 is a rear upper inner panel, 60 is a rear header upper panel, and in FIG. 5, 61 is a hinge reinforcement for reinforcing a hinge portion for attaching the lift gate 1 so that it can be opened and closed. .

  As shown in FIG. 2, the upper end portion 56a of the corner reinforcement 56, which is the upper end portion of the rear pillar 4 tilted forward, and the upper portion of the rear header side panel 42, which is a portion above the concave portion 9a of the pillar reinforcing portion 40. 3 and 5, and the upper portions of these elements 56 and 42 extend inward in the vehicle width direction along the rear header portion 10 as shown in FIGS. 3 and 5.

  As a result, a connection structure with a closed cross-section in which a node member is disposed inside is avoided, and the rear header portion 10 is reinforced from the rear portion at the forwardly inclined upper end portion of the rear pillar 4 to ensure good productivity and It is configured to achieve compatibility with improved rigidity.

  Furthermore, as shown in FIGS. 2 and 3, a belt anchor 70 is stretched between the rear portion of the pillar-shaped reinforcing portion 40 and the intermediate portion of the rear pillar 4. Specifically, the front portion of the belt anchor 70 is connected and fixed to both the rear upper side of the damper support outer rain 41 constituting the pillar-shaped reinforcing portion 40 and the rear lower side of the rear header side panel 42. The rear part 70 is formed in a bifurcated shape, and the bifurcated rear part is connected and fixed to a corner reinforcement 56 constituting the rear pillar 4.

  The front part of the belt anchor 70 is connected and fixed to a lower part than the concave part 9a of the pillar-shaped reinforcing part 40, and has a higher rigidity than that connected to and fixed to the rear part of the concave part 9a of the pillar-shaped reinforcing part 40. ing.

Accordingly, the support rigidity of the belt anchor 70 is increased, and the rear part of the pillar-shaped reinforcing part 40 and the middle part of the rear pillar 4 are connected by the belt anchor 70 having a relatively large plate thickness, so that the rigidity in the front-rear direction can be improved. It is configured.
1 and 4, 62 is a rear side panel, and in FIG. 5, 63 is a roof side rail outer. In the figure, arrow F indicates the front of the vehicle, arrow R indicates the rear of the vehicle, arrow IN indicates the inner side in the vehicle width direction, arrow OUT indicates the outer side in the vehicle width direction, and arrow UP indicates the upper side of the vehicle. Indicates.

  As described above, the rear vehicle body structure of the vehicle of the above embodiment includes the damper support portion (see the damper support bracket 27) that supports the damper of the rear suspension, and the rear header portion 10 that extends in the vehicle width direction at the rear end portion of the roof panel 11. The vehicle body rear structure includes a damper support portion (damper support bracket 27) and the damper support portion (damper support bracket 27) and the rear header portion 10 connected in the vertical direction on the vehicle exterior side corresponding to the damper support portion (damper support bracket 27). A pillar-shaped reinforcing portion 40 is provided, and a middle portion of the front edge of the pillar-shaped reinforcing portion 40 is recessed rearward to constitute a part of the window opening (see the opening 9 for the quarter window). A concave portion 9a is formed, and a downwardly projecting triangular structure 45 is provided along the frame of the window. The rear pillar 4 provided on the rear side of the upper portion of the pillar-shaped reinforcing portion 40 is a portion above the concave portion 9a supported from the vehicle front-rear direction (see FIGS. 2, 3, and 4). ).

  According to this configuration, the pillar-shaped reinforcing portion 40 that connects the damper support portion (see the damper support bracket 27) and the rear header portion 10 in the vertical direction is provided, and the vertical direction intermediate portion of the front edge of the pillar-shaped reinforcing portion 40 is provided. Since the concave portion 9a is formed, the connection rigidity (so-called box rigidity) of the left and right damper support portions (damper support bracket 27) can be improved, and the rear side field of view (see arrow α in FIG. 3) is secured. can do.

Moreover, since the pillar-shaped reinforcing portion 40 is supported from the front and rear by the triangular structure 45 and the rear pillar 4 provided on the upper rear side of the pillar-shaped reinforcing portion 40, the conventional structure in which the closed cross section is directly connected is used. , A structure with good productivity can be obtained.
In short, it is possible to achieve both improvement in the connection rigidity of the left and right damper support portions (see the damper support bracket 27) and the securing of the rear side view with a structure with good productivity.

  In one embodiment of the present invention, the lower end portion of the triangular structure 45 is formed by an intermediate pillar rain 44 that extends downward along the front edge of the pillar-shaped reinforcing portion 40 (FIG. 2). FIG. 3).

  According to this configuration, bending of the intermediate pillar rain 44 is suppressed, and the intermediate pillar rain 44 is connected to the front edge of the pillar-shaped reinforcing portion 40 so that both the front edge reinforcement and the rigidity of the intermediate pillar 33 are ensured. be able to.

  Furthermore, in one embodiment of the present invention, the forwardly inclined upper end portion of the rear pillar 4 and the upper portion of the recessed portion 9a of the pillar-shaped reinforcing portion 40 extend upward substantially in parallel and along the rear header portion 10. It extends inward in the vehicle width direction (see FIGS. 3 and 5).

  According to this configuration, a connection structure with a closed cross section in which a node member is disposed inside is avoided, and the rear header portion 10 is reinforced from the rear portion at the forwardly inclined upper end portion of the rear pillar 4 to ensure good productivity. And improvement in box rigidity can be achieved.

  In addition, in an embodiment of the present invention, a belt anchor 70 is bridged between the rear portion of the pillar-shaped reinforcing portion 40 and the intermediate portion of the rear pillar 4 (see FIGS. 2 and 3). ).

  According to this configuration, the support rigidity of the belt anchor 70 is increased, and the rear part of the pillar-shaped reinforcing part 40 and the intermediate part of the rear pillar 4 are connected by the belt anchor 70 having a relatively large plate thickness. Can be achieved.

In the correspondence between the configuration of the present invention and the above-described embodiment,
The rear header of the present invention corresponds to the rear header portion 10 of the embodiment,
Similarly,
The window opening corresponds to the opening 9 for the quarter window,
The damper support portion corresponds to the damper support bracket 27,
The intermediate pillar reinforcement corresponds to the intermediate pillar rain 44,
The present invention is not limited to the configuration of the above-described embodiment.

  As described above, the present invention is useful for a rear vehicle body structure including a damper support portion that supports a damper of a rear suspension and a rear header that extends in the vehicle width direction at the rear end portion of the roof panel.

4 ... Rear pillar 9 ... Opening (window opening)
9a: Recess 10: Rear header (rear header)
11 ... Roof panel 27 ... Damper support bracket (Damper support part)
40 ... pillar-shaped reinforcement 44 ... intermediate pillar rain (intermediate pillar reinforcement)
45 ... Triangular structure 70 ... Belt anchor

Claims (3)

A vehicle rear body structure comprising a damper support portion for supporting a damper of a rear suspension and a rear header extending in the vehicle width direction at a rear end portion of the roof panel,
A pillar-shaped reinforcing portion for connecting the damper support portion and the rear header in the vertical direction is provided on the vehicle exterior side corresponding to the damper support portion,
A concave portion that forms a part of the window opening by recessing the middle portion in the vertical direction of the front edge of the pillar-shaped reinforcing portion to the rear is formed,
A downwardly projecting triangular structure provided along the frame of the window, and a rear pillar that is inclined forward and an upper end portion is provided on the upper rear side of the pillar-shaped reinforcing portion. The part above the recess is supported from the vehicle longitudinal direction ,
A belt anchor is bridged between the rear part of the pillar-shaped reinforcing part and the intermediate part of the rear pillar,
The rear edge of the pillar-shaped reinforcing portion extends along the rear pillar until it is positioned behind the recess while bending so as to be positioned rearward of the rear edge of the rear header above the recess. rear vehicle body structure of <br/> automobile, characterized in that. 2. The rear body structure of an automobile according to claim 1, wherein a lower end portion of the triangular structure is formed by an intermediate pillar reinforcement that extends downward along a front edge of the pillar-shaped reinforcing portion. 3. The automobile according to claim 1, wherein an upper end portion of the rear pillar inclined forward and an upper portion of the concave portion of the pillar-shaped reinforcing portion extend upward substantially in parallel and extend inward in the vehicle width direction along the rear header. Rear body structure.

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