JPH0986178A - Vehicle door vehicle intrusion suppression device - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] To prevent the door from entering the vehicle interior without deteriorating the appearance quality. SOLUTION: When the door is closed, the impact beam 2 is provided outside the protrusion 32 of the rear door opening of the vehicle body in the vehicle width direction.
The rear end portion 28A of the sixth beam 28 is located. A box-shaped reinforcement 34 is disposed on the inner side in the vehicle width direction of the projecting portion 32 formed by a part of the quarter panel 30. The cross-sectional shape of the reinforcement 34 viewed from the rear of the vehicle body is U-shaped with the opening facing inward in the vehicle width direction, and the position of the ridgeline 34C on the vehicle body lower side is the center line of the beam 28 of the impact beam 26. It is located above 42 in the vehicle body.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle door passenger compartment invasion suppressing device, and more particularly to a vehicle door passenger compartment for suppressing the entrance of the door into the vehicle compartment when a force is applied from the side. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door passenger compartment intrusion suppressing device.

[0002]

2. Description of the Related Art Conventionally, a structure disclosed in Japanese Utility Model Publication No. 61-31851 has been known as an example of a vehicle door passenger compartment intrusion suppressing device.

As shown in FIG. 7, in this vehicle door passenger compartment intrusion suppressing device, the side surface 70A of the side door 70 is
When a large impact force is applied in the lateral direction of the door (direction of arrow F in FIG. 7) due to collision with another vehicle or the like, the impact force is received by the hinge of the side door 70 and the lock device, and
The male member 72 provided on the side door 70 side and the female member 76 provided on the rocker 74 of the vehicle body and engaged with the male member 72 when the side door 70 tries to enter the vehicle interior are dispersed and received. It is like this.

[0004]

However, in this vehicle door passenger compartment intrusion suppressing device, the male member 72 provided on the side door 70 side is provided at the lower portion 70B of the side door 70.
Since the female member 76 provided on the vehicle body 74 side protrudes upward from the upper wall portion 74A of the rocker 74, they are exposed when the door is opened and the appearance quality deteriorates. .

In view of the above facts, it is an object of the present invention to provide an automobile door vehicle interior invasion suppressing device capable of suppressing the door from entering the vehicle interior without deteriorating the appearance quality.

[0006]

According to a first aspect of the present invention, there is provided a vehicle door intrusion suppressing device for an automobile, wherein when the door is closed,
The impact beam is provided with a structure in which the position of one end of the impact beam overlaps the vehicle width direction outer side of a panel forming the outer peripheral portion of the door opening of the vehicle body, and the reinforcement having a ridge line at the bottom is provided inside the panel. It is characterized in that the ridge line is provided above the center line of the impact beam above the vehicle body.

Therefore, in the vehicle door vehicle interior entry restraint device of the present invention as defined in claim 1, when a force acts on the door from the outside and the door tries to enter the vehicle interior, an impact beam provided inside the door. Ends of the door press the door inner panel and the panel forming the outer peripheral portion of the door opening of the vehicle body, and are held below the ridgeline of the reinforcement to engage with the reinforcement.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a vehicle door passenger compartment invasion suppressing device according to the present invention will be described with reference to FIGS.

In the figure, an arrow FR indicates a front direction of the vehicle body, an arrow UP indicates an upward direction of the vehicle body, and an arrow IN indicates a vehicle width inward direction.

As shown in FIG. 3, a front door opening 12 and a rear door opening 14 are formed on a side portion of a vehicle body 10 of an automobile of this embodiment.
4, the rear side door 20 has upper and lower hinges 22, 24.
It is mounted so that it can be opened and closed.

Inside the rear side door 20, a beam 28 such as a steel pipe that constitutes a part of the impact beam 26 is provided from the vicinity of the lower hinge 24 toward the lower rear side of the vehicle body.

As shown in FIG. 4, the rear lower corner of the rear door opening 14 of the vehicle body 10 is made up of a part of the quarter panel 30, and is formed as a protruding portion 32 that protrudes inside the rear door opening. There is. Further, when the door is closed, the rear end portion 28A of the beam 28 is located outside the protrusion 32 in the vehicle width direction.

A reinforcement 34 is disposed inside the protrusion 32 in the vehicle width direction. The reinforcement 34 has an opening on the inner side in the vehicle width direction and an opening on the rear side of the vehicle body. A flange 34A is provided at the opening edge portion facing inward in the vehicle width direction, and a flange 34A is provided at the opening edge portion facing rearward in the vehicle body.
B are formed respectively.

As shown in FIG. 3, an extension rear panel 36 forming a part of the impact beam 26 is attached to the rear end portion 28A of the beam 28. The impact beam 2 is attached to the front end 28B of the beam 28.
Extension front panel 3 that forms part of 6
7 is attached.

As shown in FIG. 1, the impact beam 2
The beam 28 of No. 6 is welded to the door inner panel 38 of the rear side door 20 via the extension rear panel 36. Further, the reinforcement 34 is disposed on the vehicle width direction inner side (back surface side) of the protruding portion 32 of the quarter panel 30, and the upper portion of the flange 34 </ b> A of the reinforcement 34 is welded to the rear wheel outer panel 40. The lower portion of the flange 34A is welded to the rear wheel outer panel 40, and the upper flange 44A of the rocker inner panel 44 and the upper flange 46A of the rocker reinforcement 46 are welded to each other with the welded portion interposed therebetween.

The cross-sectional shape of the reinforcement 34 viewed from the substantially rear side of the vehicle body is U-shaped with the opening facing inward in the vehicle width direction, and the position of the ridgeline 34C on the lower side of the vehicle body is the beam 28 of the impact beam 26. It is located slightly above the center line 42 of the vehicle body.

As shown in FIG. 2, the flange 34 B of the reinforcement 34 is welded to the rear wheel outer panel 40, and the rear wheel outer panel 40.
A rear wheel inner panel 50 is welded to this.

Next, the operation of the present embodiment will be described. In the vehicle door vehicle interior invasion suppressing device of the present embodiment, when a force acts laterally (in the direction of arrow F in FIG. 1) on the rear side door 20 by a bumper or the like of another vehicle, first, as shown in FIG. Rear end 28A of beam 28 of beam 26
Moves from the position of the imaginary line to the position of the solid line, and deforms the projections 32 of the door inner panel 38 and the quarter panel 30 inward in the vehicle width direction.

At this time, since the position of the ridgeline 34C on the lower side of the vehicle body of the reinforcement 34 is located above the center line 42 of the beam 28 of the impact beam 26, the rear end portion 28A of the beam 28 is Move downward in the width direction (direction of arrow A in FIG. 5), and reinforce 3
The rear end portion 28A of the beam 28 is gripped in the lower portion of 4,
Engage the reinforcement 34.

Further, in the vehicle door vehicle interior entry restraint system of the present embodiment, the protrusion 32 of the quarter panel 30 is reinforced by the reinforcement 34, and the rear end 28A of the beam 28 is held in the quarter. Since it is possible to prevent the protruding portion 32 of the panel 30 from falling inward in the vehicle width direction, it is possible to suppress the rear side door 20 from entering the vehicle interior.

Further, as shown in FIG. 6, the rear end portion 28A of the beam 28 of the impact beam 26 moves from the position of the imaginary line to the position of the solid line, and the projection 32 of the quarter panel 30 moves to the position of the imaginary line. Inward in the vehicle width direction (arrow B in FIG. 6)
Direction), the rear end portion 28A of the beam 28 is still held in the lower portion of the reinforcement 34 even when it reaches the position of the solid line, so that the rear side door 20 can be prevented from entering the vehicle interior.

Further, in the vehicle door interior entry restraint system of the present embodiment, the reinforcement 34 is covered with the projecting portion 32 of the quarter panel 30 and is not exposed even when the door is opened, so the appearance quality is improved. Further, since the impact beam 26 is used, the number of parts can be reduced.

In the above, the present invention has been described in detail with respect to a specific embodiment. However, the present invention is not limited to such an embodiment, and various other embodiments are within the scope of the present invention. It is clear to a person skilled in the art that is possible. For example, the present invention may be applied to the impact beam and the center pillar provided inside the front door.

[0024]

According to the first aspect of the present invention, there is provided a panel for restraining entry of a vehicle door into an automobile, wherein a position of one end of the impact beam constitutes an outer peripheral portion of a door opening of the vehicle body when the door is closed. It has a structure that overlaps with the outer side in the vehicle width direction, and the reinforcement with the ridge line at the bottom inside the panel is arranged so that the ridge line is located above the center line of the impact beam. It has an excellent effect that the door can be prevented from entering the vehicle interior without degrading the quality. Further, it has an excellent effect that the number of parts can be reduced.

[Brief description of drawings]

1 is a cross-sectional view taken along line 1-1 of FIG.

FIG. 2 is a sectional view taken along line 2-2 of FIG.

FIG. 3 is a schematic side view showing a part of a vehicle body to which the vehicle door passenger compartment intrusion suppressing device according to the embodiment of the present invention is applied.

FIG. 4 is a perspective view showing a vehicle door passenger compartment intrusion suppressing device according to an embodiment of the present invention.

FIG. 5 is an operation explanatory view of the vehicle door passenger compartment intrusion suppressing device according to the embodiment of the present invention.

FIG. 6 is an operation explanatory view of the vehicle door passenger compartment intrusion suppressing device according to the embodiment of the present invention.

FIG. 7 is a cross-sectional view showing a vehicle door compartment intrusion suppressing device according to a conventional embodiment.

[Explanation of symbols]

 10 Car Body 14 Rear Door Opening 20 Rear Side Door 26 Impact Beam 28 Beam 28A Rear End 30 Quarter Panel 32 Projection 34 Reinforcement 34A Flange 34B Flange 34C Lower Ridge 36 Extension Rear Panel 42 Centerline

Claims (1)

[Claims] 1. A structure is provided in which, when the door is closed, a position of one end portion of the impact beam overlaps a vehicle width direction outer side of a panel forming an outer peripheral portion of a door opening of a vehicle body, and the inside of the panel is provided. An automobile door passenger compartment intrusion suppressing device, characterized in that a reinforcement having a ridgeline at a lower portion is provided so that the ridgeline is located above a center line of the impact beam.