JPH11180146A - Installation structure for automobile door hinge - Google Patents

Abstract

PROBLEM TO BE SOLVED: To install a door at a low cost with good accuracy, without causing the door to be lowered from its set position. SOLUTION: A hollow vehicle body pillar 15 is formed by combining a side body outer panel 17 and a dash side panel 19. The side body outer panel 17 is reinforced by a reinforcement 18. Further, a plate-shaped retainer 21 fixed on the hollow internal surface of the vehicle body pillar 15 at a position corresponding to an installation position of a fixing hinge plate 26 is provided. The retainer 21 has enough thickness for accommodating thread cutting of a screw hole, and a plurality of fixing bolts 22 are screwed into a plurality of screw holes 21a provided in the retainer 21. Thereby the fixing hinge plate 26 is fixed to a hinge installation portion 1a of the vehicle body pillar 15.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door hinge mounting structure for a vehicle suitable for fixing a fixed hinge plate of a door hinge for opening and closing a door of a vehicle to a hollow body pillar with bolts. is there.

[0002]

2. Description of the Related Art FIG. 7 is a sectional view showing a main part of a conventional door hinge mounting portion structure for a motor vehicle at a position corresponding to line AA in FIG. A fixed hinge plate 1 of a door hinge for opening and closing a side door of an automobile is fixed to a hollow body pillar 2 with a mounting bolt 3 and a nut 4 screwed thereto. The vehicle body pillar 2 is configured by combining a side body outer panel 5 with a hinge reinforcement 6 and a dash side panel 7 on the inner surface side thereof, and a nut 4 is fixed to the inner surface of the reinforcement 6 by welding. . Then, the fixed hinge plate 1 is fixed to the vehicle body pillar 2 by screwing the mounting bolt 3 inserted through the through hole of the fixed hinge plate 1 and the through hole of the side body outer panel 5 and the reinforcement 6 into the nut 4.

FIG. 8 is a sectional view showing a main part of another conventional door hinge mounting structure for an automobile. In this case, patch 8
And the patch 8 is brought into contact with the inside of the reinforcement 6 so as to be inserted through the through hole of the fixed hinge plate 1 itself, the side body outer panel 5, the reinforcement 6, and the through hole of the patch 8. By screwing the bolt 3 into the nut 4, the fixed hinge plate 1 becomes the vehicle body pillar 2.
To be fixed. As shown in FIG. 9, the patch 8 is provided with through holes 8a and 8b in a plate-like member, and the nuts 4 and 4 are fixed by welding in accordance with the positions of the through holes 8a and 8b.

[0004]

However, in the structure of the conventional door hinge mounting portion for an automobile shown in FIG. 7, a load is applied to the hinge mounting portion of the vehicle body pillar 2 due to the weight of the door, and the hinge mounting portion of the vehicle body pillar 2 is mounted. There is a problem that the portion 2a is deformed and the door may be lowered with respect to the set position. When the door is lowered, even if the hinge mounting portion 2a of the vehicle body pillar 2 is slightly deformed, the amount of lowering at a position away from the door hinge becomes considerably large, and the rigidity and accuracy of the hinge mounting portion 2a of the vehicle body pillar 2 are important. Had been an issue. Therefore, as shown in FIG. 8, it is possible to increase the strength of the hinge attachment portion 2a of the vehicle body pillar 2 by applying the patch 8 or increasing the plate thickness of the reinforcement 6; There was a problem that the cost increased by the means.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to attach a door hinge to a vehicle body pillar accurately at low cost without lowering a set position of a door. It is an object of the present invention to provide a door hinge mounting structure for an automobile.

[0006]

In order to achieve the above object, the present invention provides a hollow vehicle body pillar formed by combining an outer panel and an inner panel, and a fixed hinge plate is brought into contact with the vehicle body pillar. In a vehicle door hinge mounting portion structure in which the fixed hinge plate is fixed to the vehicle body pillar using mounting bolts, a plate-shaped retainer fixed to a hollow inner surface of the vehicle body pillar corresponding to a mounting position of the fixed hinge plate is provided. That the retainer has a thickness capable of cutting the screw holes, and that the fixing hinge plate is fixed to the vehicle body pillar by screwing respective mounting bolts into a plurality of screw holes provided in the retainer. Features. In the present invention, a projection may be provided on at least one of opposing surfaces of the retainer and the hollow inner surface of the vehicle body pillar to enable projection welding.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A door hinge mounting structure for an automobile according to an embodiment of the present invention will be described in detail with reference to the drawings, taking as an example a door hinge mounting structure for mounting a front door. FIG. 1 is a side view showing an automobile to which a door hinge mounting part structure according to an embodiment of the present invention is applied, and FIG. 2 is an enlarged perspective view showing a main part of the door hinge mounting part structure of FIG. This car 11
The front door 12 has a front door 12 and a rear door 13. The front end of the front door 12 is attached to a front body pillar 15 using a door hinge, and the front end of the rear door 13 is attached to a center body pillar 16 using a door hinge.

In this door hinge mounting portion structure, a plate-like retainer 21 is fixed to the hollow inner surface of the vehicle body pillar 15, and as shown in FIG.
The fixing hinge plate 26 is screwed into two screw holes 21a provided in the retainer 21 corresponding to the two through holes 17a of the side body outer panel 17 by screwing. It is configured to be fixed to the vehicle body pillar 15.

FIG. 3 is a sectional view taken along the line AA in FIG. The vehicle body pillar 15 on the front side is composed of a side body outer panel 17 as an outer panel, a hinge reinforcement 18 fixed to an inner surface thereof, and an inner dash side panel 19, and a side body outer panel 17 and a dash side panel. 19
The front flanges 17b and 19b are welded to each other, and the flanges 18c of the reinforcement 18 are welded between the rear flanges 17c and 19c. Side body outer panel 17
In addition, through holes 17a and 18a are formed at two predetermined positions of the reinforcement 18, respectively.

The retainer 21 is formed of a thick plate having a thickness capable of cutting the screw hole 21a, and the through hole 17 of the side body outer panel 17 and the reinforcement 18 is provided.
Screw holes 21a are engraved at two places corresponding to a and 18a. The two screw holes 21a are simultaneously threaded into one thick plate in parallel. Then, the retainer 21 performs reinforcement 1 at a plurality of locations by spot welding W.
8 is fixed to the inner surface.

The fixed hinge plate 26 is integrally formed with a fixed plate portion 27 which is fixedly abutted on the vehicle body pillar 15 and a female engaging portion 28 which engages with the movable hinge plate 30 shown in FIG. The through holes 27a corresponding to the through holes 17a, 18a of the side body outer panel 17 and the reinforcement 18 are opened at two places of the fixing plate portion 27, and protrude outward from the female engaging portion 28. Upper and lower pair of engagement pieces 28
Pin holes 28b, 28b are respectively formed in a, 28a.

The fixed hinge plate 26 is provided with the female engaging portion 2.
In a state where the male engaging portion 32 of the movable hinge plate 30 shown in FIG. 4 is inserted between the two engaging pieces 28a, 28a of FIG. 8, a hinge pin (not shown) is inserted into the pin holes 28b, 32a to move the movable hinge plate 30. Are combined. Then, the fixed hinge plate 26
Is inserted through the through holes 17a and 18a of the side body outer panel 17 and the reinforcement 18 and screwed into the screw holes 21a.
The vehicle body pillar 15 is fixed to the hinge mounting portion 15a.

The movable hinge plate 30, as shown in FIG.
A pair of upper and lower fixing plate portions 31, 31 and a male engaging portion 32 are integrally formed, and a pin hole 32a is opened in the male engaging portion 32 corresponding to the pin hole 28b of the female engaging portion 28. , Fixed plate portion 31
A through-hole 31a is formed in the front door 1 by screwing a mounting bolt (not shown) inserted into each through-hole 31a.
2 is fixed to a hinge mounting portion (not shown).

According to the door hinge mounting portion structure according to the above embodiment of the present invention, the accuracy of the tightening pitch of the mounting bolts 22 and the rigidity of the hinge mounting portion 15a can be improved. Cost can be reduced, and the thickness of the reinforcement 18 can be reduced by improving the rigidity of the hinge mounting portion 15a.
Weight and cost can be reduced.

Further, two screw holes 21a of the retainer 21 are provided.
Are simultaneously cut in parallel to one plate, so that the tightening pitch of the fixed hinge plate 26 can be reliably obtained, and there is an advantage that accuracy control is easy. Further, by forming the convex portion 23 shown in FIG. 5 integrally and using a retainer 21 having a shape and a size corresponding to the contact surface of the fixed hinge plate 26 contacting the hinge mounting portion 15a, the body pillar 15 Of the hinge mounting portion 15a can be more reliably improved.

FIG. 6 is a sectional view showing a door hinge mounting portion structure according to another embodiment of the present invention, taken along a line BB in FIG. In this case, reinforcement 18
A plurality of projections 20 are provided on the inner surface of the projection, and the retainers 21 are brought into contact with these projections 20, and the retainers 21 are fixed to the plurality of projections 20 of the reinforcement 18 at a time by projection welding, so that spot welding is performed. The welding can be performed in a shorter time than in the case, and the cost can be further reduced.

The present invention is not limited to the above embodiment, but can be variously modified. For example, the present invention can be applied to a case where a fixed hinge plate for attaching the rear door 13 is fixed to the center body pillar 16. Instead of providing the projection 20 shown in FIG. May be provided.

[0018]

According to the present invention, there is provided a plate-like retainer fixed to a hollow inner surface of a vehicle body pillar corresponding to a mounting position of a fixed hinge plate, and the retainer has a thickness capable of cutting a screw hole. By fixing the fixed hinge plate to the vehicle body pillar by screwing respective mounting bolts into the plurality of screw holes provided in the retainer, the rigidity of the door hinge mounting portion can be improved, and the set position of the door does not lower. This has the effect that the door hinge can be accurately attached to the vehicle body pillar at low cost. In addition, projections are provided on at least one of the opposing surfaces of the retainer and the hollow inner surface of the vehicle body pillar to enable projection welding, so that welding can be performed in a short time, and further cost reduction is achieved. Can be.

[Brief description of the drawings]

FIG. 1 is a side view showing an automobile to which a door hinge mounting portion structure according to an embodiment of the present invention is applied.

FIG. 2 is an enlarged perspective view showing a main part of the door hinge mounting portion structure of FIG. 1;

FIG. 3 is a sectional view taken along line AA of FIG. 2;

FIG. 4 is a perspective view showing a movable hinge plate attached to a door.

FIG. 5 is a perspective view showing a modified example of the retainer according to the embodiment of the present invention.

FIG. 6 is a sectional view taken along the line BB of FIG. 2, showing a door hinge mounting portion structure according to another embodiment of the present invention.

FIG. 7 is a cross-sectional view showing a main part of a conventional door hinge mounting structure for an automobile.

FIG. 8 is a cross-sectional view showing a main part of another conventional door hinge mounting structure for an automobile.

FIG. 9 is a perspective view showing a conventional patch with a nut.

[Explanation of symbols]

 12 Front Door 15 Body Pillar 15a Hinge Attachment 17 Side Body Outer Panel (Outer Panel) 18 Reinforcement 19 Dash Side Panel (Inner Panel) 21 Retainer 21a Screw Hole 22 Mounting Bolt 23 Convex 26 Fixed Hinge Plate 27 Fixing Plate 27a Through-hole 28 Female engaging portion 30 Movable hinge plate 31 Fixed plate portion

Claims (2)

[Claims] 1. A hollow body pillar is formed by combining an outer panel and an inner panel, a fixed hinge plate is brought into contact with the vehicle body pillar, and the fixed hinge plate is fixed to the vehicle body pillar using mounting bolts. In the door hinge mounting portion structure for a vehicle, a plate-shaped retainer fixed to the hollow inner surface of the vehicle body pillar is provided corresponding to a mounting position of the fixed hinge plate, and the retainer has a thickness capable of cutting a screw hole. And a fixing hinge plate fixed to the vehicle body pillar by screwing respective mounting bolts into a plurality of screw holes provided in the retainer. 2. The vehicle door hinge mounting according to claim 1, wherein a projection is provided on at least one of the mutually opposing surfaces of the retainer and the hollow inner surface of the vehicle body pillar to enable projection welding. Part structure.