JP2910584B2 - Car door opening superstructure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an upper structure of an automobile door opening, and more particularly to an upper structure of an automobile sliding door opening having a sliding door.

[0002]

2. Description of the Related Art As shown in FIG. 1, in an automobile having a sliding door 1B, a roof opening in a front-rear direction is provided at an upper edge of a door opening of a front hinged door 1A and an upper edge of a door opening of a rear sliding door 1B. Rails are provided.

FIG. 3 shows an upper section of a slide door opening, and a roof side rail 3 is a rail inner panel 3.
1 and a rail outer panel 32. A recess 32 is provided at a lower portion of the rail outer panel 32.
1 is formed, and a guide rail 33 is attached.
Rollers supported by a support arm (not shown) provided at the upper end of the front part of the slide door 1B roll the guide rails 33, so that the slide door 1B opens and closes in the front-rear direction.

An upper edge of the roof side rail 3 and a quarter panel 5 (FIG. 1) connected to the roof side rail 3 are covered with a side edge of the roof panel 4, and a lower edge of the roof panel 4 is drip-moulded in the front-rear direction along the lower edge. 80 are provided to form a drainage structure for the roof.

On the other hand, recently, as a roof drainage structure,
As shown in FIG. 1, a structure in which drain grooves 8 are formed on the left and right side edges of the upper surface of the roof 4 has been used (Japanese Utility Model Laid-Open No. 3-68175). FIG. 4 shows the structure of the upper edge portion of the slide door opening 2B of the automobile provided with this drainage structure. FIG. 4A is a view of the portion T in FIG. 1 viewed from the passenger compartment side, and the right side is the front side. As shown, an inner panel 51 of the quarter panel 5 is connected to a rear end of the rail inner panel 31 of the roof side rail 3 forming an upper edge of the sliding door opening 2B, and a rear end of the rail outer panel (not shown). Is connected to a quarter outer panel 52. The quarter inner panel 51 and the quarter outer panel 52 form a closed cross section extending the roof side rail 3, and a side pillar 7 that separates the slide door opening 2B and the quarter window opening 2C. Is formed.

Then, as shown in FIG. 4B, the roof side rail 3 and the upper edge joining flange connected to the roof side rail 3 and the left and right side edges of the roof panel 4 are joined to each other, and the joint is drained. A groove 8 is formed.

[0007]

By the way, the roof side rail 3 of the fly door opening 2B is required to have a particularly high strength. However, in a structure in which the drain groove 8 is formed on the side edge of the roof upper surface, the groove 8 is formed on the roof. Since the rail inner panel 31 needs to be formed at the side end, the rail outer panel 32
, The cross-sectional width of the roof side rail 3 is reduced.
Further, at the lower portion of the roof side rail 3, the rail outer panel 32 is concave, so that the cross-sectional width is significantly reduced, and the strength of the roof side rail 3 is reduced.

Therefore, in order to increase the width of the roof side rail 3, the rail inner panel 31 has a cross-sectional shape that swells toward the passenger compartment, and a quarter inner panel 51 is connected to the rail inner panel 31 in series. Although it is conceivable, in this case, the width of the entire upper part of the cabin is reduced.

The present invention relates to an automobile having a sliding door and drain grooves along both edges of a roof upper surface.
It is an object of the present invention to provide a structure that enhances the strength of a roof side rail and an upper portion of a side pillar of a sliding door opening without giving a feeling of narrowness to an upper part of a vehicle compartment.

[0010]

As shown in FIG. 2, in the present invention, the rail inner panel 31 of the roof side rail 3 of the slide door opening 2B, which is composed of the rail inner panel 31 and the rail outer panel 32, is moved toward the passenger compartment. The cross section expands. In particular, an inflatable portion 311 is formed in a lower portion of the rail inner panel 31 facing a lower portion of the concave rail outer panel 32. And at the upper end position of the side pillar 7,
The rear end of the rail inner panel 31 and the quarter inner panel 51 are joined to form a closed section 6 at the joint.

The closed section 6 is formed by, for example, extending the rear end of the rail inner panel 31 having the bulging portion 311 toward the passenger compartment side of the front end of the quarter inner panel 51 so as to be wrapped.
The rear end of the rail inner panel 31 is joined to the inner side surface of the quarter inner panel 51, and the front end of the quarter inner panel 51 is joined to the outer side surface of the rail inner panel 31.

[0012]

The rail inner panel 31 is formed so as to protrude toward the passenger compartment so that the width of the roof side rail 3 is increased to improve the strength, and the rail inner panel 31 and the quarter inner at the upper end of the side pillar 7. By forming the closed cross section 6 with the panel 51, the strength of the connecting portion between the roof side rail 3 and the side pillar 7 is enhanced.

[0013]

1 and 2 show an embodiment of the present invention. FIG. 2 (A) shows the structure of the present invention as viewed from the compartment side of the portion T in FIG. 1 and the right side is the front side. As shown, the roof side rail 3 constituting the upper edge of the sliding door opening 2B and the quarter panel 5 constituting the upper edge of the quarter window 2C connected thereto form a series of closed cross sections. The upper end of the side pillar 7 is connected to the portion in a T-shape. As shown in FIGS. 2A to 2C, the roof side rail 3 includes a rail inner panel 31 and a rail outer panel 32, and the quarter panel 5 includes a quarter inner panel 51 and a quarter outer panel 52.
Fig. 2 (A)
As shown in FIG. 2, the roof drainage groove 8 is formed by being joined to the side edge of the roof panel 4.

As shown in FIGS. 2A, 2B and 2D, the roof side rail 3 of the slide door opening 2B has a recess 321 formed along the lower end of the rail outer panel 32. A guide rail 33 for guiding the slide door 1B is provided. The recess 3 of the rail inner panel 31 forming a closed cross section with the rail outer panel 32
A swelling portion 31 swelling in the vehicle compartment direction is provided at a lower portion opposed to 21.
1 is formed.

The front end portions of the quarter inner panel 51 and the quarter outer panel 52 are both bent at substantially right angles from the horizontal direction to the vertical direction, and these vertical portions form side columns 7 having a closed cross section. ing. FIG.
As shown in (A) and (C), the quarter outer panel 52
The front end of the horizontal portion is joined flush with the rear end of the rail outer panel 32. On the other hand, the quarter inner panel 51
And the rear end of the rail inner panel 31 is wrapped, and the rear end of the rail inner panel 31 extends toward the passenger compartment side of the front end of the quarter inner panel 31. A gap is formed between the quarter inner panel 51 and the bulging portion 311 of the rail inner panel 31 in the vehicle width direction.

The quarter inner panel 51 facing the rail inner panel 31 has a bulging portion 311 at the front end of the horizontal portion.
It is curved in the vehicle inward direction so as to match the cross-sectional shape of the rail inner panel 31 having, and is joined to the outer side surface of the rail inner panel 31. On the other hand, the rail inner panel 31 has a bulging portion 311 at the end portion which curves downward in the vehicle interior and becomes lower, and the shape of the end terminal is changed to the quarter inner panel 5.
1 and is joined to the front end. As a result, a closed cross section 6 is formed at the lap portion between the rail inner panel 31 and the quarter inner panel 51.

As shown in FIGS. 2 (B) and 2 (C),
Is a front end of the horizontal portion of the quarter outer panel 52 and a vertical portion extending downward therefrom;
And a vertical section extending downward from the horizontal section, and the closed section 6 is located above the side pillar 7. Reference numeral 9 denotes a garnish that covers the upper part of the cabin.

In the structure described above, the roof side rail 3 of the slide door opening 2B has its roof inner panel 31 bulging in the vehicle compartment side to increase the cross-sectional width, thereby enhancing the strength. In addition, the closed cross section 6 is formed at the upper part of the side pillar 7 by utilizing a step in the vehicle width direction between the bulging rail inner panel 31 and the quarter inner panel 51, so that the roof side rail 3, the quarter panel 5 and the side are formed. The connection strength of the column 7 is enhanced. The bulging portion 311 is provided on the roof side rail 3 of the slide door opening 2B.
Because it is formed only in the vehicle compartment, it does not give a sense of narrowness to the upper part of the cabin.

[0019]

As described above, according to the present invention, in a sliding door vehicle in which a drain groove is formed at the joint between the left and right side edges of the roof and the roof side rail, the roof side rail itself and the connection between the roof side rail and the side pillar are provided. The strength of the part can be enhanced.

[Brief description of the drawings]

FIG. 1 is a perspective view of an automobile to which the present invention is applied.

2A and 2B show an embodiment of the present invention, in which FIG. 2A is a perspective view of a portion T in FIG. 1 viewed from the inside of the vehicle, and FIG.
2A is a cross-sectional view at a position along the line IIB-IIB when the sliding door is closed, FIG. 2C is a cross-sectional view at a position along the line IIC-IIC in FIG. 2A, and FIG. Is the IID-II in FIG.
It is sectional drawing in the position along the D line.

FIG. 3 is a diagram corresponding to FIG. 2B of a conventional structure.

FIG. 4 shows another conventional structure, and FIG.
(A) Corresponding diagram, FIG. 4 (B) is a cross-sectional view when the sliding door is closed at a position along the IVB-IVB line in FIG. 4 (A) [FIG.
Corresponding figure].

[Explanation of symbols]

 1B Sliding door 2B Sliding door opening 3 Roof side rail 31 Rail inner panel 32 Rail outer panel 4 Roof panel 33 Guide rail 5 Quarter panel 51 Quarter inner panel 52 Quarter outer panel 6 Closed section 7 Side pillar 8 Drain groove 80 Drip molding

────────────────────────────────────────────────── ─── Continued on front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B62D 25/06-25/07

Claims (2)

(57) [Claims] 1. An automobile having a sliding door, a joint upper edge of a roof side rail including a rail inner panel and a rail outer panel joined to a side edge of a roof panel, and a joint formed with a drain groove extending in the vehicle front-rear direction. At
The rail inner panel of the roof side rail provided with a guide rail for guiding the sliding door is formed in a cross-sectional shape that swells toward the passenger compartment, and the upper end of the side pillar along the rear edge of the door opening is located behind the rail inner panel. An upper structure for an automobile door opening, wherein a closed section is formed between the end and the front end of the quarter panel. 2. A rear end of said rail outer panel is joined to a front end of said quarter outer panel of a quarter panel comprising a quarter inner panel and a quarter outer panel, and a rear end of said rail inner panel is a front end of said quarter inner panel. The rear end of the rail inner panel to the inner surface of the quarter inner panel, and the front end of the quarter inner panel to the outer surface of the rail inner panel, and close both inner panels. The upper structure for a door opening of an automobile according to claim 1, wherein a cross section is formed.