JP2001341667A - Roof rear end part structure for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide roof rear end structure of simple structure and high strength, and provided integrally with a roof spoiler. SOLUTION: A roof rear header panel 2 is formed to be inclined downwards in a rear end part of a roof panel 1, a roof spoiler-shaped outer panel 3 is coupled to cover the header panel 2 onto the panel 2, a width-directionally extended closed cross-section is formed by the header panel 2 and the outer panel 3, and the roof spoiler is constituted by the outer panel 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof rear end portion of an automobile, and more particularly to a roof rear end portion structure having a roof rear header panel provided inside a roof rear end portion and a roof spoiler provided outside.

[0002]

2. Description of the Related Art As shown in FIGS.
In the roof rear end structure of the vehicle, a roof rear header panel 2A is provided inside the rear end of the roof panel 1A over the entire width of the roof to reinforce the roof rear end. The roof rear header panel 2A has quarter pillars P at both left and right ends.
A vehicle body structural member connected between the upper ends of the two pillars P and connected to the upper end of the roof panel 1A.
It is superimposed and combined. The joint between the rear edge 11 of the roof panel 1A and the rear edge 21 of the roof rear header panel 2A forms the upper edge of the rear window opening 4, and the upper edge of the rear glass 5 is bonded to the joint. 5 in FIG.
Reference numeral 0 denotes a molding covering the outer periphery of the rear glass 5.

Conventionally, in order to improve the aerodynamic performance during running of a vehicle, as shown in FIG. 6, an inclined surface 61 rising toward the rear of the vehicle over the entire width of the roof is provided outside the rear end of the roof panel 1A. The provided roof spoiler 6 is attached. This kind of roof spoiler 6 is a hollow body having a closed section made of synthetic resin and having a substantially triangular cross section. A plurality of stud bolts projecting from the bottom surface 62 with the bottom surface 62 superimposed on the outside of the rear end of the roof panel 1A. 60 is inserted into the through hole of the roof panel 1A, and a nut is tightened and fixed from inside the roof panel 1A.
Reference numeral 22 in the figure denotes a service hole for fastening a nut formed in the roof rear header panel 2A.

[0004]

However, the conventional roof spoiler 6 is expensive because it is a molded member made of synthetic resin. In addition, a through hole for mounting the roof spoiler and a service hole 22 must be formed on the vehicle body side. However, there is a problem that the formation cost and the operation cost of the spoiler mounting process are increased and the total cost is increased. It is also conceivable to form a roof spoiler part integrally with the rear end of the roof panel by bending the rear end of the roof panel into a substantially mountain-shaped cross section that rises to the rear of the vehicle and further bends downward. In addition, the cross-sectional shape of the rear end portion of the roof panel becomes complicated, and the production cost becomes high to form a complicated cross-sectional shape in the roof panel which is a large molded member. Accordingly, an object of the present invention is to provide a roof rear end structure having a roof rear header panel and a roof spoiler, and having a simple structure and low cost.

[0005]

SUMMARY OF THE INVENTION According to the present invention, there is provided a roof rear end structure of an automobile having a roof rear header panel provided at the rear end of the roof, wherein the roof panel is bent inward at the rear end to have an inclined shape. A roof rear header panel is formed at the bent rear end, and an outer panel having an inclined surface rising toward the vehicle rear from a front end position of the roof rear header panel is coupled to the roof rear header panel so as to cover the roof rear header panel, The roof rear header panel and the outer panel form a closed section extending in the vehicle width direction, and the outer panel constitutes a roof spoiler.

The outer panel is formed in a mountain shape in cross section by the inclined surface and a rear surface bent inward from the rear end, and a step having a substantially Z-shaped cross section is formed at a boundary between the general portion of the roof panel and the roof rear header panel. A front edge of the inclined surface of the outer panel is overlapped with the step portion and joined, and a lower edge of the rear surface of the outer panel is joined and overlapped with a rear edge of the roof rear header panel. 2).

[0007] The roof rear header panel is easily formed by bending the rear end of the roof panel, and the outer panel is also easily formed. By connecting these two panels, the roof rear end is simultaneously reinforced. A roof spoiler is formed.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. The roof panel 1 is a metal plate that is slightly upwardly curved, and has a stepped portion 20 formed at the rear end thereof over the entire width in the width direction so as to be bent in a substantially Z-shaped cross section and lower than a general portion. An extension is formed to extend rearward and downward in an inclined manner. The extension forms a roof rear header panel (hereinafter, referred to as a header panel) 2. The rear end of the header panel 2 is bent in a substantially Z-shaped cross section, and a rear edge flange 21 is formed at the edge.

An outer panel 3 is provided on the header panel 2 so as to cover the upper part thereof. The outer panel 3 is a press-formed metal plate, and has a cross-section including an inclined surface 31 that rises in an inclined manner from the front edge to the rear, and a rear surface 32 that is bent from the rear end of the inclined surface 31 obliquely downward and forward at an acute angle. It is almost shaped like a chevron. The left and right side edges of the outer panel 3 are integrally formed with an end surface 33 for closing a gap between the side edge of the inclined surface 31 and the side edge of the rear surface 32 in a substantially triangular shape.

The outer panel 3 has a front end of an inclined surface 31 formed into a substantially Z-shaped cross section, and a coupling flange 34 corresponding to the step portion 20 of the roof panel 1 is formed at a front edge thereof, and a lower edge of a rear surface 32. A connecting flange 35 corresponding to the rear edge flange 21 of the header panel 2 is formed in a stepped shape having a substantially Z-shaped cross section toward the inside.

The outer panel 3 overlaps and welds the connecting flange 34 at the front end of the inclined surface 31 on the step portion 20 of the roof panel 1 and connects the connecting flange 35 at the lower edge of the rear surface 32 to the rear edge of the header panel 2. The flange 21 is overlapped and welded. Thus, the outer panel 3 forms a closed section extending in the width direction at the rear end of the roof panel 1 with the header panel 2 and constitutes a roof spoiler that rises in an inclined manner toward the rear of the roof panel 1. The welded joint between the joint flange 34 at the front end of the outer panel 3 and the step 20 of the roof panel 1 forms a concave groove,
The groove is filled with a mastic sealer 30 or the like so as to be flush with the general portion of the roof panel 1 and the inclined surface 31.

The outer edge of the roof panel 1 is overlapped with the inner edge of the roof side rail 7 of the vehicle body and welded and joined to form a concave drip groove 10 extending in the front-rear direction at the left and right ends of the roof at the joint. are doing. Header panel 2
The left and right side edges are connected to the inner side surface of the connection portion between the rear end of the roof side rail 7 and the upper end of the quarter pillar P. The outer panel 3 has a roof drip groove 10 formed by welding a connecting flange 36 formed on a lower edge of the end face 33 to an outer edge of a general portion of the roof panel 1 and an inner edge of the roof side rail 7 in series. . In addition, quarter pillar P
Is covered with a quarter panel connected flush with the outer surface of the roof side rail 7.

The joint between the rear end of the header panel 2 and the lower end of the rear surface 32 of the outer panel 3 constitutes the upper edge of the rear window opening 4, and the joint of the flanges 21, 35 is formed of the rear glass 5 closing the rear window opening 4. The outer peripheral upper edge surrounded by the molding 50 is adhered.

In the roof rear end structure of the present embodiment, the header panel 2 can be easily formed by merely bending the rear end of the substantially flat roof panel 1 in the thickness direction. Further, since the outer panel 3 is a belt-shaped member that is much smaller than the roof panel 1, the pressing device may be smaller than the case where the rear end of the roof panel 1 is formed into a spoiler shape, and the forming operation is easy. It is.

Then, the header panel 2 and the outer panel 3
By combining with the strength of the roof rear end is strengthened,
At the same time, a roof spoiler is formed, and the structure is simpler and less expensive than when a roof spoiler 6 made of synthetic resin is additionally provided.

A step portion 20 is formed along the boundary between the general portion of the roof panel 1 and the header panel 2, and the step portion 20 is formed.
Since the front edge 34 of the outer panel 3 constituting the roof spoiler is joined to the upper surface, the joining is easy and firm, and the general part of the roof panel 1 and the roof spoiler can be connected flush.

The roof rear end structure of the present invention is applied to a van-type vehicle or a wagon-type vehicle having a back door opening at the rear of the vehicle body and opening and closing the back door opening with a side-opening back door or a double-opening back door. can do. FIG. 3 is a sectional view corresponding to FIG. 2 of a rear end portion of a roof of a van type vehicle to which the present invention is applied.

The basic structure is almost the same as that of the previous embodiment, except that the angle of downward inclination of the header panel 2 'integrally formed at the rear end of the roof panel 1 is increased, and the rear surface 32 of the outer panel 3' is formed. Is set to a length close to the inclined surface 31, and the closed cross-sectional shape formed by the header panel 2 ′ and the outer panel 3 ′ is a shape close to an equilateral triangle.

According to this, the rigidity around the back door opening 8 of the van type vehicle or the wagon type vehicle, particularly, the rigidity against torsion can be enhanced.

[0020]

According to the present invention, the header panel is formed at the rear end of the roof panel, and the roof rear end above the header panel is formed of a roof spoiler-shaped outer panel, and the header panel and the outer panel are closed in cross section. By being combined with the shape, it is possible to secure the strength of the rear end portion of the roof with a simple structure and workability easily, and at the same time, to form a roof spoiler at the rear end portion of the roof.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a roof rear end structure of the present invention.

FIG. 2 is a sectional view taken along the line II-II in FIG.

FIG. 3 is a sectional view corresponding to FIG. 2 of another embodiment of a roof rear end structure of the present invention.

FIG. 4 is a perspective view showing a conventional roof rear end structure.

FIG. 5 is a sectional view taken along line VV in FIG. 4;

FIG. 6 is a sectional view of a roof rear end structure to which a conventional roof spoiler is attached.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Roof panel 20 Step part 2, 2 'Roof rear header panel 21 Rear edge 3, 3' Outer panel 31 Inclined surface 32 Rear surface 34 Front edge 35 Lower edge

Claims (2)

[Claims] 1. A roof rear end structure for an automobile having a roof rear header panel provided at a rear end of the roof, wherein the roof panel is bent inward at the rear end to form an inclined rear end at a bent rear end. An outer panel having an inclined surface rising from the front end position of the roof rear header panel toward the vehicle rear so as to cover the roof rear header panel, the roof rear header panel and the outer panel And a rear cross-sectional structure of an automobile in which a roof spoiler is formed by the outer panel. 2. The outer panel is formed in a mountain shape in cross section with the inclined surface and a rear surface bent inward from a rear end thereof, and a boundary between a general portion of the roof panel and the roof rear header panel has a substantially Z-shaped cross section. Wherein the front edge of the inclined surface of the outer panel is overlapped and joined to the step portion, and the lower edge of the rear surface of the outer panel is overlapped and joined to the rear edge of the roof rear header panel. Item 2. The roof rear end structure of the automobile according to Item 1.