JPS58161613A - Car body structure - Google Patents

Abstract

PURPOSE:To prevent the deformation of a pillar on case for instance, a door is fanned by a strong wind by forming the hinge reinforcement for reinforcing the lower door hinge fitting section fitted inside the pillar in a near box shape in the body structure at the place supporting a side door. CONSTITUTION:A side door 1 is supported by a pillar 4 through upper and lower door hinges 2, 3. A locker panel 6 is provided so as to cross with the lower end of the pillar 4 and to overlap at least with the lower end of the outer panel 5 of the pillar 4, and a hinge reinforcement 17 for reinforcing a lower door hinge 3 fitting section is fitted inside the pillar near the cross point between said panel 6 and the pillar 4. In this case, said hinge reinforcement 17 is formed in a near box shape, and the outer side section in the car body width direction is extended between the overlapping surfaces of both panels 5, 10. This extended section 17A and panels 5, 10 are overlapped in three sheets and connected by welding.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an automobile body structure, and in particular, to a pillar supporting a side door, a rocker panel intersecting the lower end of the pillar, and a pillar supporting the pillar near the intersection of the rocker panel and the pillar. A hinge reinforcement for reinforcing a lower door hinge attachment portion attached to the inside of an automobile body structure.

Conventionally, as shown in FIG. 1, a pillar 4 that supports a side door 1 via an upper door hinge 2 and a lower door hinge 3 intersects with the lower end of this pillar 4, and as shown in FIGS. 2 and 3. The bottom panel 6, which is the lower end of the pillar outer panel 5 of the pillar 4, and the lower door hinge attachment part attached to the inside of the pillar 4 near the intersection of this rocker panel 6 and the pillar 4, There is an automobile body structure having a hinge reinforcement 7.

In FIG. 2, the right edge 7A of the hinge reinforcement 7 is 1 as shown in FIG.
It is sandwiched between the overlapped surfaces of the pillar outer panel 5 and the pillar inner panel 8, and is welded in three layers.

Further, the rocker inner panel 9 of the rocker panel 6 is
Pillar outer panel 5 of said pillar 4 at its upper end
It is sandwiched between the overlapping surfaces of the pillar inner panel 8 and the pillar inner panel 8, and is welded together. In the figure, reference numeral 10 indicates a rocker outer panel, and reference numeral 11 indicates a welding nut welded to the inside of the hinge reinforcement 7 in order to screw together the hinge mounting bolt 12.

Further, as shown in FIGS. 4 and 5, the door hinge reinforcement 7 is attached to the pillar outer panel 5.
There is also a configuration in which the rocker panel 6 is connected only to the inner surface of the rocker panel 6 and the upper surface of the rocker panel 6.

The hinge reinforcement 7 as described above supports the lower door hinge 3 that is attached via the outer panel 5 of the leaflet 7. It was not possible to suppress the deformation of pillar 4 to which it was attached within one minute,
Further, there is a problem in that it is not possible to sufficiently suppress vibrations of the body caused by vibrations of the side door 1 when the vehicle is traveling in a erratic manner, especially when traveling on rough roads.

Furthermore, conventionally, as shown in FIG. 1, when the side door 1 is opened, a sense of moderation is provided, and the speed of opening is restricted, and the side door 1 is controlled when the doors and doors are fully opened. A door check 13 is installed between the side door 1 and the pillar 4 to regulate the opening position.

Door check arm 14 in this door check 13
As shown in FIGS. 6 and 7, one end is inserted through a through hole 15 formed in the side surface of the pillar outer panel 5, protrudes from inside the pillar 4, and is inserted into the pillar outer panel 5.
Door check arm bracket 1 installed on the inside of
6, the side door 1 is swingably connected, and its position is restricted when the side door 1 is fully opened.

The door check 13, together with the upper door hinge 2 and lower door hinge 3, supports the side door 1 when it is fully opened. For example, when the side door 1 is blown by strong winds, the door check arm 14 is moved. A force that deforms the door check arm bracket 16 and the pillar outer panel 5 acts through the door check arm bracket 16 and the pillar outer panel 5.

Therefore, it is necessary to strengthen the rigidity of the mounting portion of the door check arm bracket 16, but this has not been sufficient in the past, resulting in the problem that the pillar outer panel 5 is easily deformed.

This invention was made in view of the above-mentioned conventional problems, and it minimizes the deformation of the pillar when the side door is blown by strong winds, and also suppresses the deformation of the pillar to a minimum when driving at high speed, especially when driving on rough roads. An object of the present invention is to provide an automobile body structure that suppresses body vibration caused by the i-motion of a side door.

This invention provides a pillar that supports a side door via a door hinge, a rocker panel that intersects the lower end of the pillar and forms at least the lower end of the pillar outer panel of the pillar, and an intersection between the rocker panel and the pillar. In the body structure of an automobile having a hinge reinforcement for reinforcing an O door hinge attachment part attached to the inner side of the pillar in the vicinity, the hinge reinforcement has a substantially box shape, and the outer side in the width direction of the vehicle body. Department,
The above object is achieved by extending between the overlapping surfaces of the lower end of the pillar outer panel and the rocker outer panel of the rocker panel, and welding the extended portion, the pillar outer panel, and the rocker outer panel in three layers. .

Further, in the body structure of the automobile, the present invention provides a structure in which an inner side portion of the hinge reinforcement in the vehicle body width direction is connected to a pillar inner panel of the pillar;
The above object is achieved by connecting the inner lower end to the upper end of the rocker inner panel of the rocker panel.

Further, in the body structure of the automobile, the present invention provides a structure in which an inner side portion of the reinforcement in the vehicle body width direction is connected to a pillar inner panel of the pillar;
The above object is achieved by connecting the inner lower end to the upper end of the rocker reinforcement of the rocker panel.

Further, in the body structure of the automobile, the locking reinforcement is extended upwardly within the pillar, and the extended portion allows the door check arm bracket mounting portion of the door check mounting of the rear door panel to The above objective is achieved by configuring reinforcement.

Embodiments of the present invention will be described below with reference to the drawings.

In this embodiment, the same or corresponding parts as those of the conventional automobile body structure shown in FIGS. 1 to 7 are given the same reference numerals, and the explanation thereof will be omitted.

As shown in FIGS. 8 to 11, this embodiment includes a pillar 4 that supports the side door 1 via an upper door hinge 2 and a lower door hinge 3, and a pillar 4 that intersects with the lower end of this pillar 4, and at least 4 pillar outer panel 5
The rocker panel 6 that overlaps the bottom edge of this rocker panel 6
And the intersection with Pillar 4! In an automobile body structure having a hinge reinforcement 17 for reinforcing the attachment part of the lower door hinge 3 attached to the inside of the pillar 4 near 1f"', the hinge reinforcement 17 has a substantially box shape. At the same time, the outer part in the vehicle body width direction is extended between the lower end of the pillar outer panel 5 and the overlapping surface of the rocker outer panel 10 of the rocker panel 6, and the extended part 17A and the pillar outer panel 5
and rocker outer panels 10 are stacked and welded to connect three layers.

The inner part of the hinge reinforcement 17 in the vehicle body width direction, and the right end in FIGS.
The inner 7 flange 17B is connected to the pillar inner panel 8 of the pillar 4 and the pillar outer panel 5 by welding them in three layers between the overlapped parts,
Further, the lower end of the inner seven flange 17B is welded and connected to the upper end of the rocker inner panel 9 of the rocker panel 6.

Further, the lower end portion of the hinge reinforcement 17 is located at the right end and the inner side 7 in FIG. 8 of the extension portion 17A.
The lower right end of the lunge 17B extends in a curved manner from the pillar 4 to the upper surface of the rocker panel 6, thereby reinforcing the intersection between the pillar 4 and the rocker panel 6.

Therefore, in this embodiment, the hinge reinforcement 17 is box-shaped and has greatly increased rigidity, and its lower end extension 17A is stacked in three layers between the pillar 4 and the rocker panel 6. Furthermore, at the inner 7 langes 17B, between the biller outer wall 5 and the pillar inner panel 8, they are respectively welded to the upper end of the rocker inner thick panel 9 of the rocker panel 6, so the pillar 4 and rocker panel The joint stiffness of the 6 intersections can be significantly increased.

Therefore, if the side door 1 is blown by strong winds, etc.
It not only suppresses the deformation of the pillar 4, but also improves high-speed running 11.
It is also possible to effectively suppress vibrations of the body due to vibrations of the side door 1 when traveling on rough roads.

Next, a second embodiment of the present invention shown in FIGS. 12 and 13 will be described.

In this second embodiment, as shown in the figure, the lower end of the inner 7 flange 17B of the hinge reinforcement is welded between the rocker inner panel 9 and the rocker outer panel 10 of the rocker panel 6. It is welded to the upwardly projecting end of the forcement 18.

The other configurations are the same as those of the first embodiment shown in FIGS. 8 to 11, so the explanation will be omitted.

In this second embodiment, the lower end of the inner flange 17B of the hinge reinforcement 17 is connected to a rocker reinforcement 18 for reinforcing the rocker panel 6.
Since the attachment is welded to the upper end, the rigidity is increased compared to the first embodiment, and there is no need to extend and lengthen the upper end of the rocker inner panel 9 as in the first embodiment. There is an advantage that there is no

Next, a third embodiment of the present invention shown in FIGS. 14 to 16 will be described.

In this third embodiment, the hinge reinforcement 17 in the first and second embodiments is extended upward within the pillar 4, and the extension portion 17G allows the door check device 13 to be attached to the pillar outer panel 5. This is configured to constitute a reinforcement for the mounting portion of the door check arm bracket 16.

Therefore, in this embodiment, the hinge reinforcement for the lower door hinge, which was conventionally formed separately in the vertical direction, and the reinforcement reinforcement for the door check arm bracket of the door check device are integrated in the vertical direction. It was formed continuously and continuously.

The other configurations are the same as those in the first* embodiment, so their explanation will be omitted.

This embodiment further increases the rigidity of the pillar 4 to suppress deformation when the door is blown by strong winds, and also significantly increases the joint rigidity at the intersection of the pillar 4 and the rocker panel 6. can.

Since the present invention is configured as described above, when the door is supported by strong winds, deformation of the door can be suppressed, and the vibration of the door can be suppressed when driving at high speeds or on rough roads. It has an excellent effect of suppressing vibrations on the body side due to the

[Brief explanation of drawings]

Fig. 1 is a perspective view showing the relationship between the side door, pillar, and rocker panel, Fig. 2 is a side view of the car body structure near the intersection of the conventional pillar and rocker panel, and Fig. 3 is a perspective view showing the relationship between the side door and the pillar and rocker panel. 4 is a side view similar to FIG. 2 showing the conventional body structure of the same place, FIG. 5 is a sectional view taken along line v-v in FIG. 4, FIG. 6 is a side view similar to FIG. 2 showing the body structure of another conventional automobile; FIG. 7 is a sectional view taken along the line ■-■ in FIG. 6;
FIG. 8 is a perspective view showing an embodiment of an automobile body structure according to the present invention, FIG. 9 is a sectional view taken along the line IX-IX in FIG. 8, and FIG. 10 is a sectional view taken along the line X-X in FIG. 8. 11 is a sectional view taken along the XE-τ line in FIG. 8, FIG. 12 is a side view showing the second embodiment of the present invention, and FIG. 13 is a sectional view taken along the
14 is a perspective view showing the third embodiment of the present invention, FIG. 15 is a sectional view taken along line xv-xv in FIG. 14, and FIG. 16 is a sectional view taken along line XVI in FIG. 14. 17 is a sectional view taken along the line X--X in FIG. 14. 1...Side door, 2...Upper door hinge, 3...Lower door hinge, 4...Pillar, 5...
・Pillar outer panel, 6... Rocker panel, 8...
・Pillar inner panel, 9... Rocker inner panel,
1)...Rocker outer panel, 13...Door check, 14...Door check arm, 16...Door check arm bracket, 17...Hingle reinforcement, 17A, 17G...Extension part , 17B...inner flange, 18...rotsuri reinforcement. Agent Keisuke Matsuyama (1 idiot) Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 16 Figure 8 0ri

Claims (4)

[Claims] (1) A pillar that supports a side door via a door hinge, a rocker panel that intersects with the lower end of this pillar and overlaps at least the lower end of the pillar outer panel of the pillar, and a rocker panel that In an automobile body structure having a hinge reinforcement for reinforcing a lower door hinge attachment portion attached to the inside of a pillar, the hinge reinforcement is approximately box-shaped, and its outer side in the vehicle body width direction is An automobile body structure characterized in that the pillar outer panel is extended between the overlapping surfaces of the lower end and the rocker outer panel of the rocker panel, and the extended portion, the pillar 7 outer panel, and the rocker outer panel are welded in three layers. . (2) The inner side of the hinge reinforcement in the vehicle body width direction is connected to the pillar inner panel of the pillar, and the lower end of the inner side of the nucleus is connected to the upper end of the rocker inner panel of the rocker panel. An automobile body structure according to claim 1. (3) The inner side of the hinge reinforcement in the vehicle body width direction is connected to the pillar inner panel of the pillar, and the lower end of the inner side is connected to the upper end of the rocker reinforcement of the rocker panel. An automobile body structure according to claim 1. (4) A patent characterized in that the locking reinforcement is extended upward within the pillar, and the extension constitutes a door check arm bracket mounting part reinforcement in a door check device for a pillar outer panel. An automobile body structure according to claim 1, 2 or 3.