JPH0712130Y2 - Vehicle backdoor structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a back door structure for a hatchback vehicle or the like.

[Prior art]

As an example, a hatchback vehicle 1 as shown in FIG.
Has a back door 2 at the rear of the vehicle body, and the back door 2 has a large opening area, and the back door frame 21
Supports the glass 3.

The structure of the conventional back door frame 21 is, for example, as shown in FIG. 7 (for reference, refer to Japanese Utility Model Laid-Open No. 63-114817), rear fender panels 4 on both sides of the rear part of the vehicle body, and a general structure that continues to the inside of the vehicle interior. Rear pillar outer 6 with L-shaped cross section
And the rear pillar inner 7 that extends downward by being coupled to the flange 6a at the vehicle interior side end of the rear pillar outer 6 forms the opening for providing the back door 2, and the rear pillar trim 8 is provided on the vehicle interior side of the rear pillar inner 7. The weather strip 9 is placed over the flange 6a at the end of the rear pillar outer 6 on the vehicle interior side and the flange 7a at the upper end of the rear pillar inner 7 coupled to the rear pillar outer 6 to make contact with the lower surface of the back door frame 21 to keep the seal. There is.

A molding 5 is arranged around the periphery of the glass 3 of the back door 2, and the lower surface near the periphery of the glass 3 is adhesively fixed to the upper surface of the back door frame 21 with an adhesive or the like. When closed, a stay damper 10 that supports the back door 2 is housed in a space formed by the rear pillar outer 6 and the back door frame 21.

The back door frame 21 is composed of an outer panel a having a flat peripheral edge and an inner panel b having a substantially groove-shaped cross section having flanges b-1 and b-2 whose peripheral edges are substantially parallel to the glass 3 on both sides. , A flange formed around the outer panel a
a-1 and a-2 are formed by joining flanges b-1 and b-2 of the inner panel b, and the back door trim c is attached to cover the flanges a-2 and b-2 on the vehicle interior side. There is.

[Problems to be solved by the device]

In the above-mentioned conventional backdoor structure, the flanges a-2 and b-2 on the vehicle interior side of the backdoor frame 21, that is, on the edge of the opening side, project substantially parallel to the glass 3 at a position close to the glass 3. However, there has been a problem that the opening area of the back door frame 21 is narrowed, which causes the rear view of the occupant, particularly the rear view in the left-right direction, to be blocked.

An object of the present invention is to provide a back door structure for a vehicle, which can improve the rear visibility of an occupant and can improve the sealing performance.

[Means for Solving the Problems]

In order to achieve the above object, the vehicle back door door structure of the present invention is a vehicle having a back door frame having a closed cross section formed by an outer panel and an inner panel, in which the inner side flanges of the outer panel and the inner panel are made from glass to the inner side. It is joined in the vicinity of the seal flange of the rear pillar, which is separated from the.

[Action]

In the vehicle back door structure of the present invention configured as described above, since the indoor side flanges of the outer panel and the inner panel are joined at a position away from the glass to the indoor side, the rear view of the indoor side flange is reduced. It is possible to secure a good rear view without causing deterioration.

〔Example〕

 An embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a rear perspective view of a hatchback vehicle to which the vehicle back door structure of the present invention is applied, and FIG. 2 is an exploded perspective view of the back door frame.

The back door 2 provided at the rear part of the vehicle body of the hatchback vehicle 1 includes a back door frame 21 and a back door frame 21.
The back door frame 21 is formed by joining the outer panel 211 and the inner panel 212 to form a closed cross section, and a step is formed on the outer surface with which the glass 3 abuts. Make it fit.

3 to 6 are sectional views taken along the line AA in FIG. 1 showing the first to fourth embodiments of the present invention, respectively.

The first embodiment shown in FIG. 3 has an opening 20 in the outer panel 211.
Side is bent to the inside of the passenger compartment and the cross section is formed into an approximately L shape, and the opening
A flange 211a extending in the vehicle exterior direction substantially in parallel with the glass 3 is provided at the vehicle exterior side end opposite to the 20 side, and the tip of the portion extending into the vehicle interior substantially at a right angle to the glass 3, that is, the vehicle interior side end is substantially parallel to the glass 3. Is provided with a flange 211b extending in the vehicle interior direction.

The inner panel 212 is formed such that the outside of the vehicle compartment opposite to the opening 20 side is formed substantially at a right angle with the glass 3, and a flange 212a extending substantially parallel to the glass 3 in the vehicle exterior direction is provided at an edge thereof, that is, an outer end of the vehicle interior. A flange 21 extending substantially parallel to the glass 3 toward the vehicle interior is provided at the tip of the portion extending substantially parallel to the glass 3, that is, the end on the opening 20 side.
Provide 2b.

The outer panel 211 and the inner panel 212 are joined to form a closed cross section by joining the flange 211a and the flange 212a on the outside of the vehicle compartment, and the flange 211b and the flange 212b on the vehicle interior side, that is, the opening 20 side, to form a closed cross section, and cover the joint to form the side. Install trim 22.

According to this configuration, the flange 21 on the vehicle interior side, that is, the opening 20 side
The joint between 1b and the flange 212b is located away from the glass 3 and can widen the lateral limit of the rear view.

In the second embodiment shown in FIG. 4, a portion of the outer panel 211 having a substantially L-shaped cross section that extends into the vehicle compartment at a substantially right angle to the glass 3 on the opening 20 side is made shorter than that of the first embodiment, and its tip is formed. That is, a flange 211b extending in the vehicle interior direction substantially in parallel with the glass 3 is provided at the vehicle interior side end so as to be shorter than the first embodiment.

An outer rain 213 that is a side wall of the opening 20 is formed so as to extend substantially at right angles to the glass 3, and the outer rain 213 has a flange 213a toward the outside of the vehicle compartment at an end near the glass 3 and is away from the glass window 3. The inner end has a flange 213b directed toward the vehicle interior.

The outer rain 213 is joined to the flange 213b of the outer rain 213 and the flange 212b of the inner panel 212 on the side of the opening 20, and the outer rain 213 has a portion close to the glass 3 and a portion of the outer panel 211 that extends substantially perpendicular to the glass 3 on the side of the opening 20 into the vehicle compartment. It is joined to the side opposite to 20 to form a closed cross section.

According to this configuration, by using the outer rain 213, the inner panel 212 can be integrally processed, and there is no risk of causing a step or the like on the sealing surface, and high sealing performance can be ensured.

The stay damper 10 of the first and second embodiments has been described above, but the third and fourth embodiments described below have the non-conshield stay damper 10.

In the third embodiment of FIG. 5, the stay damper 10 is a non-conshield type, and the stay damper 10 is installed inside the rear pillar trim 8 in the vehicle width direction.

The opening 20 side of the outer panel 121 is bent to the inside of the vehicle compartment to form a substantially L-shaped cross section, and a flange 121a extending in the vehicle exterior direction substantially orthogonal to the glass 3 is formed at the vehicle exterior outer end opposite to the opening 20 side. A flange 12 that is provided and extends in the vehicle interior direction by inclining to the tip of a portion that extends into the vehicle interior substantially at a right angle to the glass 3, that is, the end on the vehicle interior side.
Provide 1b.

The inner panel 221 is formed such that the outside of the vehicle compartment opposite to the opening 20 side is formed substantially at a right angle with the glass 3, and a flange 221a extending toward the outside of the vehicle at a substantially right angle to the glass 3 is provided at an edge thereof, that is, an outer end of the vehicle interior. A flange 221b extending in the vehicle interior direction is provided so as to be inclined at the tip of the portion extending substantially parallel to 3, that is, the end on the opening 20 side.

The outer panel 121 and the inner panel 221 are joined to form a closed cross section by joining the flange 121a and the flange 221a on the outside of the vehicle compartment, and the flange 121b and the flange 221b on the vehicle interior side, that is, the opening 20 side, to form a closed cross section, and cover the joined portion to the side. Install trim 22.

With this configuration, the distance between the inner panel 221 and the rear pillar outer 6 can be shortened, so that the limit of the rear view in the left-right direction can be further expanded.

In the fourth embodiment of FIG. 6, the portion of the outer panel 121 that is bent toward the inside of the passenger compartment on the side of the opening 20 is formed shorter than the third embodiment, and extends into the passenger compartment substantially at right angles to the glass 3 to open the opening 20. The outer rain 321 that will be the side wall of the outer rain 321 is formed.
It has a flange 321a to the outside of the passenger compartment at the end close to the glass 3,
Flange 32 facing the passenger compartment at the end of the passenger compartment far from the glass 3
Has 1b.

The flange 321b of the outer rain 321 is joined to the flange 221b on the opening 20 side of the inner panel 221, the flange 321a of the outer rain 321 is joined to the interior side of the outer panel 121 parallel to the glass 3, and the flange 321b is joined to the inner panel 221.
It is joined to the flange 221b to form a closed cross section.

With this configuration, the rear visibility can be further improved, and the sealing performance can be improved by integrally molding the inner panel.

[Effect of device]

Since the present invention is configured as described above, it has the following effects.

The joints between the flanges on the vehicle interior side, that is, on the opening side will be located away from the glass surface, and the same effect as if the back door frame becomes thinner will be obtained, and the lateral limit of the rear view will be widened. Is what you can do.

[Brief description of drawings]

FIG. 1 is a rear perspective view of a hatchback vehicle to which the vehicle back door structure of the present invention is applied, FIG. 2 is an exploded perspective view of the same back door frame, and FIGS. 3 to 6 are the first perspective view of the present invention. FIGS. 1A and 1B are sectional views taken along the line AA in FIG. 1 showing the embodiments to the fourth embodiments, and FIG. 7 is a sectional view showing a conventional back door structure. 2 ... back door, 3 ... glass, 4 ... rear fender, 6 ... rear pillar outer, 7 ... rear pillar inner, 9 ... weather strip, 10 ... stay damper,
21 …… back door frame, 211 …… outer panel, 2
12 …… Inner panel.

Claims (1)

[Scope of utility model registration request] 1. A back door for a vehicle, wherein a back door frame is formed of an outer panel and an inner panel in a closed cross-sectional shape, and an inner side flange of the outer panel and the inner panel is joined near a seal flange of a rear pillar. Construction.