JP4305154B2 - Body structure - Google Patents

Description

  The present invention relates to an automobile body structure.

  A tailgate supported to be openable and closable at the rear of the vehicle is attached to the vehicle body via a hinge for the tailgate. Such conventional vehicle body structures include those shown in FIGS.

  6 and 7, the roof panel 51 at the upper part of the vehicle body is provided with an upper step surface 51 a and a curved portion that is curved so as to extend substantially downward from the rear end portion of the upper step surface 51 a and protrude toward the front of the vehicle body. 51b and a lower step surface 51c extending rearward of the vehicle body from the curved portion 51b. A roof rail outer 52 that supports the rear portion of the roof panel 51 and extends in the vehicle width direction, and a roof rail inner 53 provided at the lower portion of the roof rail outer 52 are disposed below the lower step surface 51c. In addition, hinge attachment portions 51d are formed on both sides of the lower step surface 51c in the vehicle width direction, and the tailgate 55 is attached to the roof via a hinge 54 attached to the hinge attachment portion 51d with various bolts and nuts. The panel 51 is supported so that it can be opened and closed. When opening and closing the tailgate 55, which is a heavy object, a large load is applied to the hinge mounting portion 51d. Therefore, the hinge reinforcing member 56, which is a reinforcing member for increasing rigidity, is It is provided in between. Below the roof rail inner 53, a head lining 57, which is a ceiling surface on the passenger compartment side, is formed.

  The above-described conventional vehicle body structure is disclosed in Japanese Patent No. 3364706 and Japanese Patent Laid-Open No. 10-264850.

Japanese Patent No. 3364706 Japanese Patent Laid-Open No. 10-264850

In recent years, weight reduction of vehicles has been promoted, and as a result, it has been rapidly promoted to provide a member constituting a vehicle body with an aluminum-based metal material instead of a conventional steel material. However, although the aluminum steel plate is light, it has a drawback that it is difficult to process due to poor spreadability. In particular, as shown in FIG. 7, it is difficult to form a curved portion 51b formed in a substantially vertical surface shape from an upper step surface 51a formed on the roof panel 51 using an aluminum steel plate. Moreover, the hinge 54 is required predetermined size and strength sufficient to support the tailgate 55 which is a heavy object, the distance of the space for arranging the hinge 54, that is, from the upper surface 51a to lower surface 51c (the height ) Must be secured sufficiently. However, if this height is to be secured sufficiently, particularly in a vehicle using three rows of seats, the head clearance, which is the gap between the head of the occupant seated in the last seat and the head lining 57, is narrow. The problem will become.

  Accordingly, an object of the present invention is to solve such a problem, and an object of the present invention is to provide a vehicle body structure that promotes weight reduction of the vehicle body and secures a living space.

Vehicle body structure according to the present invention that solve the above problems, closed with a vehicle body structure for mounting openably tailgate via a hinge to the rear of the roof panel of a vehicle, are disposed on both sides of the roof panel A side roof rail that is formed in a cross-sectional shape and extends substantially in the front-rear direction of the vehicle, and is coupled to a rear end portion of the side roof rail at a rear side of the roof panel, A gate pillar that forms a side pillar, a hinge mounting portion that is formed in the vicinity of a coupling portion between the gate pillar and the side roof rail, a hinge that is mounted on the hinge mounting portion, and upper both sides of the hinge are supported by the hinge. that and a tailgate, the side roof rail, the rear end face of the concave facing the rear of the vehicle is formed, the gate pillar, along the rear end surface of the concave Together provided, wherein the curved portion that binds to said concave rear end surface is formed.

Vehicle body structure according to the present invention that solve the above problems, prior SL side roof rail, taken from the outer member and the inner member, the gate pillar is composed of a outer member and the inner member, the said side roof rail gates The pillar is characterized in that each outer member and each inner member are coupled to each other.

Vehicle body structure according to the present invention that solve the above problems, the roof rail member is provided to be stretched between the front Symbol gate pillar, the roof panel, upper row provided by aluminum sheet material, forms a roof outer surface of the vehicle a face, an inclined portion extending from the upper surface to the rear lower side of the vehicle, to have a lower surface which is supported on the roof rail member extending rearward of the vehicle through the inclined portion Features.

Wherein a side roof rail that extends in a substantially longitudinal direction of the vehicle forms a closed section together arranged on both sides of the roof panel, the laterally rear side of the roof panel, the rear end of the side roof rails A gate pillar that forms a side pillar of a rear opening of the vehicle, a hinge mounting portion that is formed in the vicinity of a coupling portion between the gate pillar and the side roof rail, and is attached to the hinge mounting portion. The hinge is attached to the hinge mounting portion formed in the vicinity of the coupling portion between the gate pillar and the side roof rail by having a hinge and a tailgate that is supported on both sides of the upper portion of the hinge. Therefore, it is possible to secure a wide living space.

To the side roof rail, wherein the rear end surface of the concave facing the rear formation of the vehicle, to the gate pillar, with provided along the rear end surface of the concave, curved portion Ru is formed to couple with the concave rear face Thus, even if the hinge is rotated in accordance with the opening / closing operation of the tail gate, the upper both sides of the tail gate do not come into contact with the curved portion of the gate pillar. It can be done smoothly.

  The side roof rail includes an outer member and an inner member. The gate pillar includes an outer member and an inner member. The side roof rail and the gate pillar include the outer members and the inner members. However, by respectively coupling, the side roof rail and the gate pillar can be firmly coupled. For this reason, the hinge attaching part provided in the vicinity of the coupling part can be provided firmly, and the hinge can be attached to the hinge attaching part without providing a special reinforcing member.

A roof rail member is provided between the gate pillars, and the roof panel is formed of an aluminum plate, and extends from the upper stage surface to the rear lower side of the vehicle. Since the shape of the roof panel is simplified by having an inclined portion that protrudes and a lower step surface that extends to the rear side of the vehicle and is supported by the roof rail member via the inclined portion, molding is performed. Processing can be performed easily. Further, by simplifying the shape of the roof panel, the roof panel can be formed of an aluminum plate material, so that the weight of the vehicle can be reduced.

  1 is a perspective view of a rear portion of a roof according to an embodiment of the present invention, FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1, FIG. 3 is a cross-sectional view taken along the line BB in FIG. FIG. 5 is a rear perspective view of a vehicle body structure according to an embodiment of the present invention. Since the vehicle body structure shown in FIGS. 1 and 5 is symmetrical, only the left side of the vehicle is illustrated.

As shown in FIGS. 4 and 5, a roof panel 2 formed of an aluminum plate material is disposed on the upper portion of the vehicle body 1. Both sides of the roof panel 2 are extended in the longitudinal direction of the vehicle body, A side roof rail outer 3 that forms a part of the outer surface of the vehicle body and a side roof rail inner 4 that is provided on the inner surface side and forms a closed section in cooperation with the side roof rail outer 3 are disposed. The rear end of the side roof rail 3,4, extends downwardly, and gate Topiraauta 5 to forming the side pillars of the vehicle body rear opening (not shown), a gate pillar inner 6 provided on the inner surface of the gate pillar outer 5 is arranged Are combined. A tailgate 7 for opening and closing the rear opening of the vehicle body is attached to the rear of the roof panel 2.

  As shown in FIGS. 1, 2 and 3, the roof panel 2 is composed of an upper step surface 2a and a lower step surface 2c provided via an inclined portion 2b formed at the rear end portion of the upper step surface 2a. Yes. At the lower part of the lower step surface 2 c, a roof rail outer 8 that supports the rear part of the roof panel 2 and extends in the vehicle width direction, and a lower section of the roof rail outer 8 are provided. The roof rail inner 9 which comprises is arrange | positioned. A headlining 10 that forms the ceiling surface of the passenger compartment is provided below the roof rail inner 9.

Top 5a of the gate pillar outer 5 has a curved portion 5b provided along the rear end surface 3a of the side roof rail outer (3) formed in a concave shape facing the rear of the vehicle body 1, and consists of a hinge mounting portion 5c, the The hinge 11 is attached by a fastening member that passes through the hinge attachment portion 5 c and the hinge attachment portion 6 a of the gate pillar inner 6.

The hinge 11 includes an arm portion 11a extending rearward of the vehicle body, and the side end portion 7a of the tailgate 7 is attached to the arm portion 11a. That is, the tailgate 7 is supported so as to be openable and closable via the hinges 11 attached to the hinge attaching portions 5c and 6a. Further, when the tailgate 7 is opened and closed, a vertical load received from the tailgate 7 and a moment force centering on the vehicle width direction are applied to the hinge mounting portions 5c and 6a. For this reason, since the hinge mounting portions 5c and 6a are required to have high rigidity, the hinge pillars 5a and 6a are made to be rigid members having a plate thickness thicker than other portions, and the gate pillar outer 5 and the gate pillar inner 6 are overlapped. Is provided. Therefore, it is not necessary to separately attach a member that reinforces the hinge attaching portion used conventionally to the hinge attaching portions 5c and 6a.

On the other hand, the tailgate 7 supported on the hinge 11, in the closing state as shown by a broken line in FIG. 1, the side end portion 7a that protrudes the front of the vehicle body is formed so as to cover the hinge 11, both side edge portions 7a Further, the front end 7b formed at the rear of the vehicle body is formed so as to cover the lower step surface 2c of the roof panel 2 .

  Here, the operation of the tailgate 7 when the above-described configuration is made will be described.

When the tailgate 7 is opened, the tailgate 7 rotates about the axis of the hinge shaft 11b of the hinge 11 as a center of rotation, and as shown in FIGS. 2 and 3, the side end 7a and the front end 7b Move to the position of the two-dot chain line. At this time, the front end portion 7b is located on the vehicle body rear side with respect to the hinge shaft 11b, and the side end portion 7a is located on the vehicle body front side with respect to the hinge shaft 11b, so that the front end portion 7b is as shown by a broken line in FIG. The roof panel 2 moves upward above the upper surface 2a. On the other hand, the side end portion 7a moves to the vehicle body lower side along the curved portion 5b of the gate pillar outer 5 , as indicated by a broken line in FIG.

That is, by attaching the hinge 11 to the hinge attachment portion 5c of the gate pillar outer 5, without side edge portions 7a of the tailgate 7 abuts against the rear end face 3a of the side roof rail outer 3, also the front end of the tailgate 7 Since the portion 7b does not contact the upper surface 2a and the inclined portion 2b of the roof panel 2 , the tailgate 7 can be opened and closed smoothly.

Therefore, by making the above-described configuration, the side roof rails 3 and 4 which are arranged on both sides of the roof panel 2 and have a closed cross-sectional shape and extend in the substantially front-rear direction of the vehicle body 1, and the roof panel 2 Gate pillars 5 and 6 that form side columns of the rear opening of the vehicle body 1, and gate pillars 5 and 6 and side roof rails 3 and 4 a hinge mounting portion 5c, 6a formed in the vicinity of the coupling portion, the hinge attachment portions 5c, and a hinge 11 attached to the 6a, by the upper sides had a tailgate 7 supported on the hinge 11 instead of mounting the hinge 11 in the lower surface 51c of the conventional way the roof panel 51, since the mounting of the hinge 11 to the hinge attachment portion 5c of the upper 5a of the gate pillar outer 5, Lou Distance from the upper surface 2a of the panel 2 to the lower surface 2c (height) can be shortened. Thereby, since the clearance between a passenger | crew's head and the headlining 10 becomes sufficient, a living space can be ensured widely.

Moreover, the side roof rail outer 3, is concave on the rear end face 3c facing the rear of the vehicle body 1 is formed, the gate pillar outer 5, together with the provided along the concave rear end surface 3c, curved to bind a concave rear surface 3c by part 5b is Ru is formed, also the hinge 11 is rotated, the both side edge portions 7a of the tailgate is moved to the vehicle body downwardly along the rear end face 5b of the gate pillar outer, it abuts against the rear end face 5b There is no. Further, since the front end portion 7b of the tail gate 7 moves from the inclined surface 2b of the roof panel 2 to the upper step surface 2a along the upper step surface 2a , it abuts on the upper step surface 2a and the inclined surface 2b of the roof panel 2. There is no. Therefore, the tailgate 7 can be opened and closed smoothly.

Then, the side roof rail is made from the side roof rail inner 4 which is a side roof rail outer 3 and the inner member is the outer member, the gate pillar includes a gate pillar inner 6 is a gate pillar outer 5 and the inner member is a outer member Since the side roof rail outer 3 and the gate pillar outer 5 are coupled and the side roof rail inner 4 and the gate pillar inner 6 are coupled, the side roof rails 3 and 4 and the gate pillars 5 and 6 Can be firmly coupled. For this reason, the hinge attaching portions 5c and 6a provided in the vicinity of the coupling portion can be provided firmly, and the hinge 11 can be attached to the hinge attaching portions 5c and 6a without providing a special reinforcing member.

Furthermore, roof rails 8 and 9 are provided between the gate pillars 5 and 6, and the roof panel 2 is provided with an aluminum plate, and an upper surface 2 a that forms the roof outer surface of the vehicle body 1, and the vehicle body from the upper surface 2 a. an inclined portion 2b extending to one of the rear lower side, by having a lower surface 2c which is supported on the roof rail 8 and 9 extending rearward of the vehicle body 1 via the inclined portions 2b, the roof panel 2 Since the shape is simplified, the molding process can be easily performed. In addition, by simplifying the shape of the roof panel 2, the roof panel 2 can be formed of an aluminum plate material, so that the weight of the vehicle body 1 can be reduced.

In the above embodiment has been described in detail roof panel formed by aluminum sheet material, the material used for the roof panel is not limited to aluminum, and aluminum as a main component, poor malleability It may be a plate material of an aluminum alloy in general having the characteristics of aluminum .

  The present invention relates to a vehicle body structure of a vehicle, and is particularly applicable to a vehicle body structure at the rear of an automobile in which a tailgate is supported through a hinge so as to be opened and closed.

It is a perspective view of the roof panel rear end part concerning one example of the present invention. It is AA arrow sectional drawing of FIG. It is BB arrow sectional drawing of FIG. 1 is a perspective view of a vehicle body structure according to an embodiment of the present invention. It is a back perspective view of the vehicle body structure concerning one example of the present invention. It is a perspective view which shows the conventional vehicle body structure. It is CC sectional view taken on the line of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Car body 2 Roof panel 2a Upper step surface 2b Inclined part 2c Lower step surface 3 Side roof rail outer 3a Rear end surface 4 Side roof rail inner 5 Gate pillar outer 5a Upper part 5b Curved part 5c Hinge attaching part 6 Gate pillar inner 6a Hinge attaching part 7 Tail gate 7a Side end portion 7b Front end portion 8 Roof rail outer 9 Roof rail inner 10 Head lining 11 Hinge 11a Arm portion 11b Hinge shaft

Claims (3)

A vehicle body structure for attaching a tailgate to the rear of a vehicle roof panel via a hinge so as to be opened and closed,
A side roof rail disposed on both sides of the roof panel and having a closed cross-sectional shape and extending substantially in the front-rear direction of the vehicle;
On the side of the rear side of the roof panel, a gate pillar coupled to the rear end of the side roof rail to form a side pillar of the rear opening of the vehicle;
A hinge mounting portion formed in the vicinity of the coupling portion between the gate pillar and the side roof rail;
A hinge attached to the hinge attachment portion;
And a tailgate upper side portions are supported by the hinge,
A concave rear end surface facing the rear of the vehicle is formed on the side roof rail,
A vehicle body structure characterized in that a curved portion is formed on the gate pillar along the concave rear end surface and coupled to the concave rear end surface . The vehicle body structure according to claim 1 ,
The side roof rail is composed of an outer member and an inner member.
The gate pillar includes an outer member and an inner member,
The side roof rail and the gate pillar are each joined by outer members and inner members, respectively. The vehicle body structure according to claim 1 or 2 ,
A roof rail member is provided between the gate pillars,
The roof panel is provided with an aluminum plate, and includes an upper surface that forms an outer surface of the roof of the vehicle, an inclined portion that extends from the upper step surface to the rear lower side of the vehicle, and the vehicle through the inclined portion. car body structure and having a lower surface extending to the rearward is supported by the roof rail member.

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