JPH06171364A - Automotive door - Google Patents

Abstract

PURPOSE:To facilitate the fitting of a side beam and a door inner panel to a door outer panel. CONSTITUTION:Both sides of a door inner panel 2 disposed inward of the door outer panel 1 of a body are fitted to both ends of a side beam 3 provided inside of the door outer panel 1. A reinforcing member 4 is embedded in the door outer panel 1, along the side beam 3. The door inner panel 2 is fitted, together with the side beam 3, to the door outer panel 1 by fixing the both end side parts of the side beam 3 rigidly to both end side inner side of the reinforcing member 4 of the door outer panel 1. The reinforcing member 4 prevents the thermal expansion, thermal deformation and torsional deformation of the door outer panel 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automobile door.

[0002]

2. Description of the Related Art Conventionally, a door inner panel is arranged inside a door outer panel of a vehicle body, a side beam is provided inside the door outer panel along the longitudinal direction of the vehicle body, and a door hinge is provided on one side of the door inner panel. A door of an automobile is known in which a door lock is provided on the other side of the door inner panel, and the outer edge of the door inner panel is fixed to the inside of the outer door panel.

[0003]

However, in the conventional automobile door, since the side beam and the door inner panel are separately mounted inside the door outer panel,
It is necessary to fix the peripheral edge of the door inner panel to the inside near the peripheral edge of the door outer panel, and it is troublesome and troublesome to attach the door inner panel to the door outer panel, and the side beam reinforces the door outer panel. Therefore, it is difficult to increase the strength of the door outer panel against an impact from the outside of the vehicle body, and the door outer panel may undergo thermal expansion, thermal deformation, and torsional deformation.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems by only fixing the ends of the side beams to the insides of the ends of the reinforcing member of the door outer panel, and the inner door panel together with the side beams can be fixed. It is attached to the panel, and it is not necessary to fix the peripheral edge of the door inner panel to the inner side near the peripheral edge of the door outer panel as in the conventional case. An object of the present invention is to provide an automobile door capable of increasing the strength of the outer door panel against impact from the outside of the vehicle body and preventing thermal expansion, thermal deformation and torsional deformation of the outer door panel by a reinforcing member.

[0005]

A door of an automobile according to the present invention has a door inner panel disposed inside a door outer panel of a vehicle body, and a side wall extending inside the door outer panel along a front-rear direction of the vehicle body. A beam is provided, both sides of the door inner panel are attached to both ends of the side beam, and a reinforcing member is embedded in the door outer panel along the side beam, and the inside of the door outer panel near both ends of the reinforcing member. The side beam is fixed to both ends of the side beam.

[0006]

[Function] When the side beams, which are provided inside the door outer panel of the vehicle body along the front-rear direction of the vehicle body, are fixed to the insides of both sides of the reinforcing member of the door outer panel, the side beams are arranged inside the door outer panel. The provided door inner panel is attached to the door outer panel together with the side beam, and the reinforcing member embedded along the side beam in the door outer panel prevents thermal expansion, thermal deformation, and twisting deformation of the door outer panel.

[0007]

Embodiments of the present invention will now be described in detail with reference to the drawings.

In FIG. 1, reference numeral 1 is a door outer panel of a vehicle body, a door inner panel 2 is disposed inside the door outer panel 1, and inside the door outer panel 1 is arranged along the longitudinal direction of the vehicle body. Side beams 3 are provided, and both sides of the door inner panel 2 are attached to both ends of the side beams 3, respectively.

As shown in FIG. 1, a reinforcing member 4 is embedded along the side beam 3 in the door outer panel 1,
Inside the door outer panel 1 near both ends of the reinforcing member 4, the side beams 3 are fixed near both ends.

As shown in FIG. 1, a bulging portion 5 bulging inward of the vehicle body is formed in the longitudinal direction of the side beam 3, and the bulging portion 5 of the side beam 3 is near both ends. , Fig. 2
As shown in FIG. 3, through holes 6 and 6 are provided, and a receiving portion 7 bent toward the inside of the vehicle body is formed at one end of the side beam 3, and the receiving portion 7 of the side beam 3 is located near the upper edge of the receiving portion 7. Through holes 8, 8 are provided near the lower edge.

As shown in FIG. 1, a holding body 9 is fixed to the inside of the side beam 3 near the other end by a plurality of rivets (not shown). As shown, a receiving portion 10 bent toward the inside of the vehicle body is formed, and an overhanging piece 11 bent toward the front of the vehicle body is formed at the inner edge of the receiving portion 10 of the holding body 9. , Holding body 9
A notch hole 12 is provided near the center of the corner between the receiving portion 10 and the overhanging piece 11, and a door lock 13 is fixed inside the receiving portion 10 of the holding body 9.

As shown in FIG. 2, a through hole 14 is provided in the upper portion of the cutout hole 12 of the receiving portion 10 of the holding body 9, and a plurality of holes are formed in the lower portion of the cutout hole 12 of the receiving portion 10 of the holding body 9. Through holes 15 and 15 are provided respectively, and through holes 16 and 16 are provided near the upper edge and the lower edge of the protruding piece 11 of the holding body 9.
Are provided respectively.

The door lock 13 is provided with a latch 17 that meshes with a striker (not shown) fixed to a pillar (not shown) of the vehicle body, and a detent lever (not shown) for locking the latch 17.

As shown in FIG. 3, an opening 19 is formed in the inner wall 18 of the door inner panel 2, and a door inside is formed in the upper portion of the inner wall 18 of the door inner panel 2 near the side edge. An inside handle attachment portion 20 for attaching a handle (not shown) is formed.

As shown in FIG. 3, a receiving portion 7 for the side beam 3 is provided near the center of the side wall 21 of the door inner panel 2.
Through holes 22, 22 that communicate with the through holes 8, 8 of the door inner panel 2, and through holes 23, 23 are provided near the upper edge and the lower edge of the side wall 21 of the door inner panel 2, respectively. Through hole 22 of the side wall 21 of 2,
22 on the outer side between the through holes 23, 23 and the support walls 24, 24 on the movable side of the door hinges projecting forward of the vehicle body.
Are fixed to each other, and through holes 25, 25 are provided in the support walls 24, 24 in the vertical direction.

The inner wall 1 and the side wall 26 of the door inner panel 2
As shown in FIG. 3, a notch hole 27 is provided at a position corresponding to the notch hole 12 of the holding body 9 in the vicinity of the center of the corner of the side edge of the holder 8.
And a through hole 28 communicating with the through hole 14 of the receiving portion 10 of the holding body 9 is provided above the cutout hole 27 of the side wall 26 of the door inner panel 2, and the cutout hole of the side wall 26 of the door inner panel 2 is provided. At the bottom of 27, the receiving portion 10 of the holding body 9
Through holes 29, 29 communicating with the through holes 15, 15.
Are provided respectively, and the inner wall 18 of the door inner panel 2 is provided.
Through holes 30, 3 communicating with the through holes 16, 16 of the overhanging piece 11 of the holding body 9 at the upper and lower portions of the cutout hole 27 near the side edge of the holding body 9.
0 is provided for each.

As shown in FIG. 3, the upper wall 31 of the door inner panel 2 is formed with a rising portion 32 which bulges upward in the front-rear direction of the vehicle body, and the side wall of the rising portion 32 of the door inner panel 2 is formed. Screw holes 35 and 36 are provided in 33 and 34, respectively.

As shown in FIG. 3, a door sash 37 is disposed on the upper portion of the door inner panel 2, and an upper frame 38 of the door sash 37 is provided inside the side wall 33 of the rising portion 32 of the door inner panel 2. The lower end of the inclined portion 39 is fixed by welding and the rising portion 3 of the door inner panel 2
The lower end of the side frame 40 of the door sash 37 is fixed to the inside of the second side wall 34 by welding.

As shown in FIG. 3, a front sash 41 substantially parallel to the side frame 40 is provided between the rising portion 32 of the door inner panel 2 and the inclined portion 39 of the upper frame 38 of the door sash 37. A support piece 42 extending inward of the vehicle body is formed at the lower end of the front sash 41, and the upper end of the front sash 41 is fixed by welding near the center of the inclined portion 39 of the upper frame 38 of the door sash 37. A support piece 42 of the front sash 41 is fixed to the lower surface of the upper wall 31 of the door inner panel 2.

The door sash 37 is composed of an upper frame 38, side frames 40 and a front sash 41.

As shown in FIG. 3, inside the door inner panel 2 on the inner sides of both sides of the inner wall 18, parallel guide channels serving as guide rails of a window regulator for moving up and down a window glass (not shown). Four
3 and 44 are arranged respectively, and a support 4 is provided along the longitudinal direction at the side portions of the guide channels 43 and 44.
5, 46 are provided respectively, and an overhanging piece 47 for attaching a pulley (not shown) is formed on the upper end of the support 45 on the side of the guide channel 43 near the upper end. An extension piece 48 for attaching a pulley (not shown) is formed on a side portion near the center of the guide channel 44 in the longitudinal direction.

As shown in FIG. 3, a rail bracket 49 is fixed near the upper end of the curved plate extending in the vertical direction of the guide channel 43, and the guide plate of the guide channel 43 is located near the center of the curved plate in the longitudinal direction. On the rail bracket 5
0 is fixed, the upper end of the upper wall 31 of the door inner panel 2 is fixed to the lower end of the guide channel 43 via a rail bracket 49, and the center of one side edge of the inner wall 18 of the inner door panel 2 is fixed. The vicinity of the center of the guide channel 43 in the longitudinal direction is fixed to a nearby inner surface via a rail bracket 50.

As shown in FIG. 3, a rail bracket 51 is fixed near the longitudinal center of a curved plate extending vertically in the guide channel 44, and the guide channel 44 is located near the lower end of the curved plate. A rail bracket 52 is fixed to the inner wall 18 of the door inner panel 2 on the lower surface of the upper wall 31 of the door inner panel 2 near the other end of the guide channel 44 in the longitudinal direction. The guide channel 44 is fixed to the inner side surface near the center of the other side edge of the guide channel 44 via a rail bracket 52.

Through hole 2 in side wall 21 of inner door panel 2
2, 22 and through holes 8 in the receiving portion 7 of the side beam 3
Screws (not shown) are respectively inserted from the front of the vehicle body to the outside of the receiving portion 7 of the side beam 3, and the side wall 21 of the door inner panel 2 is fixed by a plurality of screws as shown in FIG. ing.

In addition, screws (not shown) are inserted from the inside of the vehicle body into the through holes 30, 30 near the side edges of the inner wall 18 of the door inner panel 2 and the through holes 16, 16 of the overhanging piece 11 of the holding body 9.
, And the side edges of the inner wall 18 of the door inner panel 2 are fixed to the outside of the overhanging piece 11 of the holding body 9 by a plurality of screws.

In the vicinity of the center of the inner surface of the door outer panel 1, as shown in FIG. 5, a fitting convex portion 5 projecting inward of the vehicle body at a portion corresponding to the bulging portion 5 of the side beam 3.
3 is formed, the reinforcing member 4 is embedded inside the fitting convex portion 53 of the door outer panel 1, and the side beams 3 are provided near both ends of the fitting convex portion 53 of the door outer panel 1.
Bolts 54, 54 projecting inward of the vehicle body are embedded in portions corresponding to the through holes 6, 6 of the bulging portion 5, respectively.
An outside handle attachment portion 55 for attaching a door outside handle (not shown) is formed on a side portion near the upper edge of the door outer panel 1.

The door outer panel 1 is made of a synthetic resin material.

The reinforcing member 4 is made of sheet metal, and the thermal expansion, thermal deformation and torsional deformation of the door outer panel 1 prevent the reinforcing member 4 from being deformed.
Are prevented by the.

As shown in FIG. 5, vertical walls 56 and 57 projecting inward of the vehicle body are formed on both sides of the inner surface of the door outer panel 1, and the outer wall of the door outer panel 1 is formed. A horizontal wall 58 extending toward the inside of the vehicle body is formed between the lower end of the vertical wall 56 and the lower end of the vertical wall 57 near the lower edge of the inner surface, and the upper end of the vertical wall 56 faces upward. A protruding piece 59 is formed, and a protruding piece 60 protruding upward is formed at the upper end of the vertical wall 57.

As shown in FIG. 5, through holes 61, 61 communicating with through holes 23, 23 of the side wall 21 of the door inner panel 2 are provided near the upper edge and the lower edge of the vertical wall 56 of the door outer panel 1. Are provided at the inner edges of the vertical walls 56, and cutout recesses 62, 62 are formed at the locations corresponding to the support walls 24, 24 of the door inner panel 2 and open toward the inside of the vehicle body.
And the side wall 3 of the rising portion 32 of the door inner panel 2 is formed on the protrusion 59 formed on the upper end of the vertical wall 56.
A through hole 63 communicating with the screw hole 35 of No. 3 is provided.

At the inner edge of the vertical wall 57 of the door outer panel 1, as shown in FIG. 5, a notch portion which opens inward of the vehicle body at a position corresponding to the notch hole 27 of the side wall 26 of the door inner panel 2. 64 is formed, and the cutout portion 6 of the vertical wall 57 is formed.
4, a through hole 65 communicating with the through hole 28 of the side wall 26 of the door inner panel 2 is provided, and the vertical wall 5
A plurality of through holes 66, 6 communicating with the through holes 29, 29 of the side wall 26 of the door inner panel 2 are formed in the lower portion of the cutout portion 64 of 7.
6 are provided, and a projecting piece 60 formed at the upper end of the vertical wall 57 is provided with a through hole 67 that communicates with the screw hole 36 of the side wall 34 of the rising portion 32 of the door inner panel 2.

The vertical wall 56, the vertical wall 57 and the horizontal wall 58 are integrally formed on the inner surface of the door outer panel 1 with synthetic resin.

As shown in FIG. 6, the fitting projection 53 of the door outer panel 1 is fitted into the bulging portion 5 of the side beam 3, and the through holes 6 of the bulging portion 5 of the side beam 3 are inserted. 6
Is the bolt 5 of the fitting convex portion 53 of the door outer panel 1.
4, 54 are respectively inserted, nuts (not shown) are respectively screwed to the tips of the bolts 54, 54, and the side beam 3 is attached to the fitting convex portion 53 of the door outer panel 1 by the bolts 54, 54 and the nut. It is fixed by.

The vertical wall 5 of the door outer panel 1
6, 57 and the inner surface of the horizontal wall 58 are coated with a sealant or an adhesive, and the vertical wall 56 of the door outer panel 1 is
As shown in FIG. 6, the side walls 21, 26 and the bottom wall 68 of the door inner panel 2 are fitted inside the 57 and the horizontal wall 58, respectively, and the door inner side is inside the vertical wall 56 of the door outer panel 1. The side wall 21 of the panel 2 is adhered, the side wall 26 of the door inner panel 2 is adhered inside the vertical wall 57 of the door outer panel 1, and the door inner panel 2 is adhered inside the horizontal wall 58 of the door outer panel 1. Bottom wall 68 is adhered.

As shown in FIG. 6, the support walls 24 and 24 of the door inner panel 2 are fitted into the cutout recesses 62 and 62 of the vertical wall 56 of the door outer panel 1, respectively, and the vertical walls of the door outer panel 1 are also inserted. Through holes 61, 6 in the wall 56
1 and the through hole 23 of the side wall 21 of the door inner panel 2,
Screws (not shown) are inserted through the front of the vehicle body 23, and the vertical wall 56 of the door outer panel 1 is fixed to the outside of the side wall 21 of the door inner panel 2 by a plurality of screws.

Further, the vertical wall 57 of the door outer panel 1
A screw (not shown) is inserted from the rear of the vehicle body into the through hole 65 of the vehicle inner side, the through hole 28 of the side wall 26 of the door inner panel 2 and the through hole 14 of the receiving portion 10 of the holding body 9, and the door outer panel 1 Through holes 66, 66 in the vertical wall 57, through holes 29, 29 in the side wall 26 of the door inner panel 2, and through holes 15, 15 in the receiving portion 10 of the holder 9 from the rear of the vehicle body (not shown). 6, the side wall 26 of the door inner panel 2 and the vertical wall 57 of the door outer panel 1 are fixed to the outside of the receiving portion 10 of the holding body 9 by a plurality of screws.

Further, the vertical wall 5 of the door outer panel 1
A screw (not shown) is inserted from the front side of the vehicle body into the through hole 63 of the projecting piece 59 of FIG.
The tip of the screw is screwed into the screw hole 35 of the side wall 33 of 2.
The through hole 6 of the protruding piece 60 of the vertical wall 57 of the door outer panel 1
A screw (not shown) is inserted from the rear of the vehicle body into the vehicle body 7, and the tip of the screw is screwed into the screw hole 36 of the side wall 34 of the rising portion 32 of the door inner panel 2.
As shown in FIG. 6, projections 59 of the vertical wall 56 and projections 60 of the vertical wall 57 of the door outer panel 1 are fixed to the outer sides of the side wall 33 and the side wall 34 of the rising portion 32 by screws, respectively. .

Next, a method for assembling the automobile door of this embodiment will be described.

First, the guide channel 43 is formed near the center of the lower surface of the upper wall 31 of the door inner panel 2 near one end and the inner side surface of the inner wall 18 of the door inner panel 2 near one side edge.
Is fixed via the rail bracket 49 and the rail bracket 50, and the upper wall 31 of the door inner panel 2 is fixed.
The lower surface near the other end of the door and the inner wall 18 of the door inner panel 2
Guide channel 4 near the center of the inner surface near the other edge
By fixing 4 via the rail bracket 51 and the rail bracket 52, as shown in FIG. 3, the guide channels 43 and 44 are attached to the inner sides of the inner wall 18 of the door inner panel 2 at both sides of the inner wall 18, respectively.

Next, the lower end of the inclined portion 39 of the upper frame 38 of the door sash 37 is fixed to the inside of the side wall 33 of the rising portion 32 of the door inner panel 2 by welding, and the side wall 34 of the rising portion 32 of the door inner panel 2 is fixed. The lower end of the side frame 40 of the door sash 37 is fixed to the inside of the door sash 37 by welding, and the supporting piece 42 at the lower end of the front sash 41 is fixed to the lower surface of the upper wall 31 of the door inner panel 2 to provide the structure shown in FIG.
As shown in, the lower end of the inclined portion 39 of the upper frame 38 of the door sash 37 and the lower end of the side frame 40 are attached to the inside of the side wall 33 and the side wall 34 of the rising portion 32 of the door inner panel 2, respectively.

Next, after fixing the holding member 9 inside the side beam 3 near the other end, the side wall 21 of the door inner panel 2 is fixed outside the receiving portion 7 of the side beam 3 and the holding member 9 is stretched. By fixing a side edge portion of the inner wall 18 of the door inner panel 2 to the outside of the projecting piece 11, the outside of the receiving portion 7 of the side beam 3 and the outside of the projecting piece 11 of the holding body 9 as shown in FIG. The side walls 21 of the door inner panel 2 and the side edges of the inner wall 18 are attached to the side walls.

Next, the fitting convex portion 53 of the outer door panel 1 is fitted into the bulging portion 5 of the side beam 3, and the outer door panel 1 is fitted into the through holes 6 and 6 of the bulging portion 5 of the side beam 3. By inserting the bolts 54, 54 of the fitting convex portion 53 and screwing nuts at the tips of the bolts 54, 54, respectively, as shown in FIG. 6, the side beams are fitted to the fitting convex portion 53 of the door outer panel 1. Install 3.

Next, the vertical wall 5 of the door outer panel 1
After inserting the support walls 24 and 24 fixed to the outside of the side wall 21 of the door inner panel 2 into the notched recesses 62 and 62 of 6, respectively, the vertical wall 56 of the door outer panel 1 is attached to the outside of the side wall 21 of the door inner panel 2. By fixing the side wall 26 of the door inner panel 2 and the vertical wall 57 of the door outer panel 1 to the outside of the receiving portion 10 of the holding body 9, respectively, as shown in FIG. The door lock 13 is fixed to the inside of the door 10 together with the side wall 26 of the door inner panel 2, and the vertical wall 56 and the vertical wall 57 of the door outer panel 1 are attached to the outside of the side wall 21 and the outside of the side wall 26 of the door inner panel 2, respectively.

Thereafter, the protrusion 59 formed on the upper end of the vertical wall 56 of the door outer panel 1 is fixed to the outside of the side wall 33 of the rising portion 32 of the door inner panel 2, and the side wall of the rising portion 32 of the door inner panel 2 is fixed. By fixing the protrusion 60 formed on the upper end of the vertical wall 57 of the door outer panel 1 to the outer side of the outer wall 34 of the door outer panel 1, as shown in FIG. The protrusions 59 of the vertical wall 56 and the protrusions 60 of the vertical wall 57 of the door outer panel 1 are attached to the outside.

In the above embodiment, the vertical walls 56,
Although the 57 and the horizontal wall 58 are integrally formed on the inner surface of the door outer panel 1 with a synthetic resin, the vertical walls 56, 57 and the horizontal wall 58 may be sheet metals separate from the door outer panel 1.

[0046]

As described above, according to the door of the automobile of the present invention, the side beams at both ends are fixed to the insides of the reinforcing members of the door outer panel at both ends.
The door inner panel can be attached to the door outer panel together with the side beam, and it is not necessary to fix the peripheral edge of the door inner panel to the inner side near the peripheral edge of the door outer panel as in the conventional case. Can be easily attached to the door outer panel, and the reinforcing member can increase the strength of the door outer panel against an impact from the outside of the vehicle body, and the thermal expansion, thermal deformation, and torsional deformation of the door outer panel can be prevented by the reinforcing member. .

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an automobile door according to an embodiment of the present invention.

FIG. 2 is a perspective view of an essential part of FIG.

FIG. 3 is a perspective view of a door inner panel and a door sash.

FIG. 4 is a fragmentary front view showing a state where the door inner panel is attached to a side beam and a holder.

FIG. 5 is a perspective view of a door outer panel.

FIG. 6 is a cutaway front view of a main part showing a state in which a door outer panel is attached to a side beam and a door inner panel.

[Explanation of symbols]

 1 Door Outer Panel 2 Door Inner Panel 3 Side Beam 4 Reinforcing Member 5 Swelling Part 6 Through Hole 7 Receiving Portion 8 Through Hole 9 Holding Body 10 Receiving Portion 11 Overhanging Piece 12 Notch Hole 13 Door Lock 14 Through Hole 15 Through Hole 16 Through hole 17 Latch 18 Inner wall 19 Opening 20 Inside handle mounting part 21 Side wall 22 Through hole 23 Through hole 24 Support wall 25 Through hole 26 Side wall 27 Notch hole 28 Through hole 29 Through hole 30 Through hole 31 Upper wall 32 Standing part 33 Side wall 34 Side wall 35 Screw hole 36 Screw hole 37 Door sash 38 Upper frame 39 Sloping part 40 Side frame 41 Front sash 42 Support piece 43 Guide channel 44 Guide channel 45 Support 46 Support 47 Overhanging piece 48 Overhanging piece 49 Rail bracket 50 Rail bracket 51 Rail bracket 5 Rail bracket 53 Fitting convex portion 54 Bolt 55 Outside handle mounting portion 56 Vertical wall 57 Vertical wall 58 Horizontal wall 59 Projection piece 60 Projection piece 61 Through hole 62 Notched recess 63 Through hole 64 Notched portion 65 Through hole 66 Through hole 67 Through hole Hole 68 bottom wall

Claims (1)

[Claims] 1. A door inner panel is disposed inside a door outer panel of a vehicle body, and a side beam is provided inside the door outer panel along the front-rear direction of the vehicle body.
Both sides of the door inner panel are attached to both ends of the side beam, and a reinforcing member is embedded along the side beam in the door outer panel, and the side beam is provided inside the door outer panel near both ends of the reinforcing member. An automobile door characterized in that both ends of the are fixed.