JPH08197952A - Door hinge installing part structure - Google Patents

Abstract

PURPOSE: To effectively transmit a head-on collision load along a belt line part. CONSTITUTION: A front door hinge side panel 18 and a door upper hinge female 38 are arranged in a belt line part of a car body. The door upper hinge female 38 is fixed to a car width directional outside surface 42A of a front pillar 42, and the front door hinge side panel 18 is arranged on a car body front side surface of a front door. A clearance L1 between a car body rear side surface 46B of a front pillar outer 46 and a car width directional inside part 18A of the front door hinge side panel 18 and a clearance L2 between a connecting part 38B of the door upper hinge female 38 and a car width directional outside part 18B of the front door hinge side panel 18, become almost equal to each other.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a door hinge mounting portion of a vehicle such as an automobile, and more particularly to a structure of a door hinge mounting portion in a vehicle body structure in which a portion of a front collision load is shared by a belt line portion of the vehicle body.

[0002]

2. Description of the Related Art Conventionally, in preparation for a so-called frontal collision in which a vehicle collides with another vehicle or the like from the front, a part of the cabin input due to the frontal collision load generated at the time of the frontal collision is dispersed in the beltline portion of the vehicle body. The structure is considered. In this vehicle body structure, a bulkhead is provided in the front pillar and the center pillar to improve the strength of the front pillar and the center pillar, and to effectively transmit the front collision load to the belt line parts of the front door and the rear door. Has become. this is,
This is because the upper door hinges and the like are provided at the portions along the belt line portions of the front door and the rear door, and have relatively high rigidity with respect to the load acting in the vehicle front-rear direction.

[0003]

However, in the conventional door hinge mounting portion structure, as shown in FIG. 5, the door upper hinge Himael 72 fixed to the pillar 70 side.
And a gap A between the vehicle hinge width side outer panel 76A of the door hinge side panel 76 arranged on the vehicle body front side portion of the door 74 and the vehicle body rear side 70A of the pillar 70 and the vehicle hinge width side inner portion 76B of the door hinge side panel 76. Is set to be wider than the gap B. Therefore, at the time of a frontal collision, the rear side surface 7 of the pillar 70
0A and the door hinge side panel 76 in the vehicle width direction inner side 7
Even when 6B comes into contact, the door upper hinge Himael 72 and the vehicle width direction outer side portion 76A of the door hinge side panel 76 do not come into contact with the door upper hinge Himae 72 at substantially the same time. For this reason, the door upper hinge Himael 72 and the vehicle width direction outer side portion 76A of the door hinge side panel 76 are not effectively utilized as a front collision load transmission member. Therefore, the front collision load cannot be effectively transmitted along the belt line portion.

In view of the above facts, an object of the present invention is to provide a door hinge mounting portion structure capable of effectively transmitting a front collision load along a belt line portion.

[0005]

SUMMARY OF THE INVENTION The present invention is a door hinge mounting portion structure in which a door hinge is arranged in a belt line portion of a vehicle body, and a vehicle body front side of a pillar and a vehicle body front side of a door facing the vehicle body rear side surface. It is characterized in that the gap with the side face and the gap between the door hinge hemale fixed to the pillar side and the front side face of the door body facing the door hinge hemale are substantially equal.

[0006]

In the door hinge mounting portion structure of the present invention, the gap between the rear side surface of the pillar and the front side surface of the door facing the rear side surface of the pillar, the door hinge hemale fixed to the pillar side, and the door hinge hemale. Since the gap between the front door and the front side of the vehicle is almost the same, at the time of a frontal collision, the rear side of the pillar and the rear side of the door contact the front side of the door at approximately the same time as the pillar side. The door hinge hemale fixed to the door and the vehicle body front side surface of the door facing the door hinge hemale contact each other. For this reason, the pillar and the front side surface of the vehicle body of the door, and the door upper hinge himmer and the front side surface of the vehicle body of the door are effectively utilized as front collision load transmitting members, respectively. Therefore, the front collision load can be effectively transmitted along the belt line portion.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the door hinge mounting portion structure of the present invention will be described with reference to FIGS.

In these figures, the arrow FR, which is shown as appropriate, indicates the front side of the vehicle body, the arrow UP indicates the upper side of the vehicle body, and the arrow IN indicates the inner side in the vehicle width direction.

As shown in FIG. 4, the belt line portion 12 of the vehicle body 10 passes through the upper ends of the front door 14 and the rear door 16 along the vehicle front-rear direction.

As shown in FIG. 3, a front door hinge side panel 18, a front door outside panel reinforcement 20, a front door inside panel reinforcement 22, and a front door lock are provided along the belt line portion of the front door 14. The reinforcement 24 is provided and has a relatively high rigidity with respect to a load acting in the front-rear direction of the vehicle body.

Further, a rear door hinge side panel 26, a rear door outside panel reinforcement 28, a rear door inside panel reinforcement 30 and a rear door lock reinforcement 32 are arranged along the belt line portion of the rear door 16. The rigidity is relatively high with respect to the load acting in the front-rear direction of the vehicle body.

As shown in FIG. 2, a door upper hinge mail 34 is attached to the front door hinge side panel 18 provided on the front side surface of the vehicle body of the front door 14. The shape of the door upper hinge mail 34 viewed from the vehicle width direction is a hat shape with the opening facing the rear of the vehicle body, and the attachment portions 34A at the upper and lower ends are fixed to the front door hinge side panel 18 by bolts 36. There is. At the connecting portion 34B of the door upper hinge mail 34,
The door shaft hinges 38 are swingably connected by a hinge shaft 37.

As shown in FIG. 1, the shape of the door upper hinge Himale 38 as viewed from above the vehicle body is L-shaped, and the base portion 38A extending in the vehicle front-rear direction is fixed by a bolt 40 to the vehicle width of the front pillar 42. It is fixed to the outer side surface 42A in the direction. Further, the vehicle body rear end portion of the base portion 38A of the door upper hinge Himale 38 is extended outward in the vehicle width direction to form a connecting portion 38B with the door upper hinge mail 34, and in the vicinity of the tip end portion of the connecting portion 38B, A hinge shaft 37 is arranged vertically in the vehicle body.

The front pillar 42 is the front pillar 4.
2 front pillar inner 44 that constitutes the inner side of the vehicle body
And a front pillar outer 46 that constitutes the vehicle pillar outer side portion of the front pillar 42 have a closed cross-section structure. The cross-sectional shape of the front pillar outer 46 viewed from above the vehicle body is
A front pillar reinforcement 48 is provided in a U-shaped inner portion of the front pillar outer 46, the opening having a U-shaped shape facing inward in the vehicle width direction. The cross-sectional shape of the front pillar reinforcement 48 viewed from above the vehicle body is a U-shape with the opening facing inward in the vehicle width direction, and the vehicle width direction outer side wall portion 48A is in the vehicle width direction of the front pillar outer 46. It is in contact with the outer wall portion 46A.

Front pillar reinforcement 48
The bulkhead 50 is in contact with the vehicle width direction inner side surface of the vehicle width direction outer side wall portion 48 </ b> A, and the bolt 52 is attached to the nut 52 arranged on the vehicle width direction inner side surface of the bulkhead 50.
Are screwed together.

On the rear side surface 46B of the vehicle body of the front pillar outer 46, which constitutes the rear side surface of the vehicle body of the front pillar 42,
The vehicle width direction inner side portion 18A of the front door hinge side panel 18 is opposed to the vehicle width direction inner side portion 18A of the front door hinge side panel 18 with respect to the vehicle width direction outer side portion 18B to which the door upper hinge mail 34 is fixed. The position is slightly rearward via the step portion 18C.

Further, a gap L1 between the vehicle body rear side surface 46B of the front pillar outer 46 and the vehicle width direction inner side portion 18A of the front door hinge side panel 18, a connecting portion 38B of the door upper hinge Himer 38 and the front door door hinge side panel 18 are provided. L2 from the outer side portion 18B of the vehicle in the vehicle width direction
Are almost equal.

A recess 54 is formed in the vehicle width direction outer side portion of the vehicle body rear side surface 46B of the front pillar outer 46 toward the front of the vehicle body. The recess 54 and the front door hinge side panel 18 are in the vehicle width direction inner side. A weather strip 56 is arranged between the portion 18A and the portion 18A.

Next, the operation of this embodiment will be described. In the structure of the door hinge mounting portion of the present embodiment, the gap L1 between the vehicle body rear side surface 46B of the front pillar outer 46 and the vehicle width direction inner side portion 18A of the front door hinge side panel 18, the connecting portion 38B of the door upper hinge Himer 38 and the front. Door Door hinge Outside side portion 18B of the side panel 18 in the vehicle width direction
Since the gap L2 between the front pillar 42 and the front door hinge side panel 18 approaches due to the front collision load at the time of front collision, the front pillar outer 46
When the vehicle body rear side surface 46B and the vehicle width direction inner side portion 18A of the front door hinge side panel 18 come into contact with each other, substantially at the same time,
Door upper hinge Himer 38 connecting portion 38B and front door door hinge side panel 18 outer portion 1 in the vehicle width direction
8B abuts.

Therefore, the front pillar 42 and the front door hinge side panel 18, and the door upper hinge Himale 38 and the front door door hinge side panel 18
Are effectively utilized as a front collision load transmission member. Therefore, the front collision load can be effectively transmitted along the belt line portion 12.

In this embodiment, the front pillar 42
And the front door hinge side panel 18, the center pillar and the rear door hinge side panel 2 have been described.
6 has the same configuration.

Although the present embodiment applies the door hinge mounting portion structure of the present invention to a four-door type vehicle body, the door hinge mounting portion structure of the present invention is also applicable to other vehicle bodies such as a two-door type vehicle body. .

[0023]

According to the present invention, there is provided a door hinge mounting portion structure in which a door hinge is arranged in a belt line portion of a vehicle body, and a gap between a vehicle body rear side surface of a pillar and a vehicle body front side surface facing the vehicle body rear side surface. Since the gap between the door hinge hemale fixed to the pillar side and the front side surface of the door facing the door hinge hemale is made substantially equal, the front collision load can be effectively transmitted along the belt line portion. Have the effect.

[Brief description of drawings]

FIG. 1 is a plan sectional view showing a door hinge mounting portion structure of an embodiment of the present invention.

FIG. 2 is a perspective view showing a door hinge mounting portion structure of an embodiment of the present invention as seen from the diagonally front outside of the vehicle body.

FIG. 3 is a perspective view of a door to which a door hinge mounting portion structure according to an embodiment of the present invention is applied, as viewed from the diagonally front outside of the vehicle body.

FIG. 4 is a perspective view of a vehicle body to which a door hinge mounting portion structure according to an embodiment of the present invention is applied, as seen from an obliquely front outside of the vehicle body.

FIG. 5 is a plan sectional view showing a structure of a door hinge attachment portion of a conventional example.

[Explanation of symbols]

 10 Vehicle Body 12 Belt Line 14 Front Door 16 Rear Door 18 Front Door Hinge Side Panel 26 Rear Door Hinge Side Panel 38 Door Upper Hinge Hemer 38B Connection 42 Front Pillar 46 Front Pillar Outer 46B Rear Side of Vehicle

Claims (1)

[Claims] 1. A door hinge mounting portion structure in which a door hinge is arranged in a belt line portion of a vehicle body, wherein a gap between a vehicle body rear side surface of a pillar and a vehicle body front side surface of the door facing the vehicle body rear side surface and a pillar side. A door hinge mounting portion structure characterized in that a gap between a door hinge hemear fixed to the door hinge and a front side surface of a door facing the door hinge hemale is substantially equal.