JP3101847B2 - Car door - Google Patents

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

[0003]

However, in a conventional automobile door, the side beams and the door lower panel are separately mounted inside the door outer panel, so that the side beams and the door lower panel are mounted on the door outer panel. The work is troublesome and time-consuming,
Since the door hinge and the door lock were separately attached to the door inner panel, the work of attaching the door hinge and the door lock to the door inner panel was troublesome and troublesome, and the door outer panel might be twisted or thermally deformed. there were.

An object of the present invention is to address the above-mentioned problems and to insert a reinforcing portion of a door outer panel from a side opening to a holding body so that a locking portion of the reinforcing portion of the door outer panel is held. The body is locked, and the side beam is attached to the reinforcing portion of the door outer panel via the holding body. The door hinge, the door lock and the door lower panel are attached together with the side beam to the inside of the door outer panel. There is no need to separately install the door lock on the door inner panel, and the door hinge, door lock and door lower panel can be easily installed on the door outer panel, and the torsion and thermal deformation of the door outer panel are prevented by the reinforcement. It is to provide a car door capable of doing.

[0005]

In a vehicle door according to the present invention, a side beam is provided inside a door outer panel of a vehicle body along a longitudinal direction of the vehicle body, and a door hinge is provided at one end of the side beam. At the same time, a door lock is provided at the other end of the side beam, a door lower panel is provided at a lower portion of the side beam, upper ends of both sides of the door lower panel are attached to both ends of the side beam, and the outer side of the side beam is provided. A holding body that opens in the front-rear direction of the vehicle body is provided, a reinforcing portion is integrally formed inside the door outer panel along the front-rear direction of the vehicle body, and the holding body is engaged with the reinforcing portion of the door outer panel. It has a configuration characterized by forming a locking portion for stopping.

[0006]

When the reinforcing portion integrally formed inside the door outer panel is inserted from the side opening to the holding body provided outside the side beam disposed inside the door outer panel of the vehicle body, the door outer panel is inserted. The locking portion formed on the reinforcing portion locks the holding body, the side beam is attached to the reinforcing portion of the door outer panel via the holding body, and the door hinge provided at one end of the side beam is attached to the door outer panel. The door lock provided at the other end of the side beam is attached to the door outer panel, and the door lower panel provided below the side beam is attached to the door outer panel.

[0007]

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

In FIG. 1, reference numeral 1 denotes a door outer panel of a vehicle body, and a side beam 2 is disposed inside the door outer panel 1 along the front-rear direction of the vehicle body. A door lock 4 is provided at the other end of the side beam 2, a door lower panel 5 is provided at a lower portion of the side beam 2, and upper ends on both sides of the door lower panel 5 are provided at both ends of the side beam 2. Each is installed.

As shown in FIG. 1, a holding member 6 is provided outside the side beam 2 so as to open in the front-rear direction of the vehicle body, and inside the door outer panel 1 along the front-rear direction of the vehicle body. The protruding wall 7 serving as a reinforcing portion is integrally formed, and the protruding wall 7 of the door outer panel 1 has engaging protruding portions 8 and 9 serving as locking portions for locking the holding body 6 along the longitudinal direction. Each is formed.

As shown in FIG. 1, a bulging portion 10 bulging upward and downward is formed near one end of the side beam 2, and an edge of the bulging portion 10 of the side beam 2 is formed. As shown in FIG. 2, a receiving portion 11 bent toward the inside of the vehicle body is formed, and through holes 12, 12 are formed near the upper edge and the lower edge of the bulging portion 10 of the side beam 2. The movable bracket 13 of the door hinge 3 is provided outside the receiving portion 11 of the side beam 2.

As shown in FIG. 1, the door hinge 3 includes a movable bracket 13, a fixed bracket 14, and a connecting pin 15.

In FIG. 1, reference numeral 16 denotes a holder for holding the fixed side bracket 14 of the door hinge 3 to a pillar (not shown) of the vehicle body.

As shown in FIG. 1, a receiving portion 17 bent toward the inside of the vehicle body is formed at the other end of the side beam 2 and an edge of the receiving portion 17 of the side beam 2 is formed at the other end. ,
As shown in FIG. 2, a notch 18 that opens toward the inside of the vehicle body is formed, and the door lock 4 is fixed inside the receiving portion 17 of the side beam 2.

The door lock 4 is provided with a latch (not shown) that engages with a striker (not shown) fixed to a pillar of the vehicle body, and a detent lever (not shown) that locks the latch.

As shown in FIG. 1, a support plate 19 is provided outside the side beam 2 along the front-rear direction of the vehicle body, and near both ends of the support plate 19, as shown in FIG. Flange 2 projecting forward and backward
0 and 20 are formed, and the flanges 20 and 20 of the support plate 19 are fixed to the outer sides near both ends of the side beam 2, respectively.

As shown in FIG. 1, the holding body 6 is disposed outside the supporting plate 19, and the holding body 6 is provided on the upper edge of the receiving plate 21 as shown in FIG. Is formed at the lower edge of the receiving plate 21, and an overhanging piece 23 bent toward the outside of the vehicle body is formed at the lower edge of the receiving plate 21. A locking piece 24 bent downward is formed on the edge of the protruding piece 23 of the receiving plate 21.
A locking piece 25 bent upward is formed at an end edge of the receiving piece 21. An engaging recess 26 is formed below the projecting piece 22 between the receiving plate 21 and the locking piece 24. 21 and locking piece 25
An engagement recess 27 is formed in the upper portion of the projecting piece 23 between the support plate 1 and the support plate 1 on the inner surface of the receiving plate 21 of the holder 6.
9 is fixed to the outer surface thereof, and the side beam 2 is fixed to the inside of the receiving plate 21 of the holder 6 via the support plate 19.

As shown in FIG. 3, supporting walls 29, 29 protruding toward the front of the vehicle body are formed near the upper end and the lower end of the vertical wall 28 of the movable bracket 13 of the door hinge 3, respectively. Support holes 30, 30 are respectively provided in the up and down direction in 29, 29, and the vertical wall 28 of the movable bracket 13 is fixed outside the receiving portion 11 of the side beam 2 as shown in FIG. 2. I have.

As shown in FIG. 3, locking holes 32, 32 are provided in the vertical wall 31 of the fixed side bracket 14 of the door hinge 3, and the upper and lower edges of the vertical wall 31 are provided near the upper and lower edges of the vehicle body. Support walls 33, 33 protruding rearward are formed, respectively. The support walls 33, 33 support holes 30 of the support walls 29, 29 of the movable bracket 13 in the vertical direction.
30 are provided, respectively, and
A flange 35 extending upward is formed on an upper portion of the support wall 33 near the upper edge of the vertical wall 31.
A flange 36 protruding downward is formed at a lower portion of the support wall 33 near the lower edge of the support wall 33.
6 and a fitting recess 37 opening toward the front of the vehicle body.
Is formed on the side of the flange 35, and a regulating piece 38 is formed to protrude toward the front of the vehicle body.

At the upper end of the connecting pin 15 of the door hinge 3,
As shown in FIG. 3, a head 39 is formed, and an annular groove 40 is formed on the outer peripheral surface near the lower end of the connecting pin 15.

As shown in FIG. 1, rising portions 41 and 42 are formed on both sides of the door lower panel 5, respectively, and the outer walls 4 of the rising portion 41 of the door lower panel 5 are formed.
As shown in FIG. 4, through holes 44, 44 communicating with the through holes 12, 12 of the bulging portion 10 of the side beam 2 are provided near the upper edge and the lower edge of the side beam 2, respectively. Square holes 46, 46 are respectively provided near the upper edge and the lower edge of the side wall 45 of the door hinge 3 so as to face the support walls 29, 29 of the movable bracket 13 of the door hinge 3.
Near the upper edge and the lower edge of the inner wall 47, through holes 48, 48 are respectively provided facing the through holes 44, 44 of the outer wall 43, and the center of the side edge of the inner wall 47 of the rising portion 41 is located at the center of the rear of the vehicle body. A support piece 49 projecting toward is formed.

As shown in FIG. 4, a cutout recess 51 is formed on the outer wall 50 of the rising portion 42 of the door lower panel 5 so as to open toward the front of the vehicle body.
Through holes 52, 52 are provided above and below the notch concave portion 51, respectively.
A cut-out hole 55 is provided at a position corresponding to the cut-out portion 7 of the inner wall 7, and through holes 56, 56 near the upper edge and the lower edge of the inner wall 54 of the rising portion 42 facing the through-holes 52, 52 of the outer wall 50.
A support piece 57 is formed at the center of a side edge of the inner wall 54 of the rising portion 42 so as to project toward the front of the vehicle body.

As shown in FIG. 5, the support walls 29, 29 of the movable bracket 13 of the door hinge 3 are fitted into the square holes 46, 46 of the side wall 45 of the rising portion 41 of the door lower panel 5, respectively. The side wall 45 of the rising portion 41 of the door lower panel 5 is fixed to the outside of the receiving portion 11, and the side wall 53 of the rising portion 42 of the door lower panel 5 is fixed to the outside of the receiving portion 17 of the side beam 2. The flange 20 of the support plate 19 located closer to the rear of the vehicle body is fitted into the cutout recess 51 of the outer wall 50 of the rising portion 42 of the door lower panel 5.

As shown in FIG. 6, between the support wall 29 of the movable bracket 13 of the door hinge 3 and the support wall 29,
The support walls 33, 33 of the fixed side bracket 14 are fitted respectively, and the support holes 30, 30 of the support walls 29, 29 of the movable side bracket 13 and the support wall 3 of the fixed side bracket 14 are provided.
The connecting pin 15 is inserted into the through holes 34, 34 from above.
Is inserted, and a retaining ring 58 is inserted into the annular groove 40 of the connecting pin 15.
Are fitted, and the support walls 33, 33 of the fixed side bracket 14 are
Are connected to the support walls 29 of the movable bracket 13 via the connection pins 15, and the connection pins 15 are locked by the retaining rings 58 to the support wall 29 near the lower end of the movable bracket 13, and Support wall 29, 2 of bracket 13
9 is rotatably supported by connecting pins 15 on support walls 33, 33 of the fixed side bracket 14.

FIG. 7 shows the inner surface of the door outer panel 1.
As shown in FIG. 5, a protruding wall 7 protruding inward of the vehicle body is formed, and concave grooves 59, 59 parallel to each other are formed on the end surface of the protruding wall 7 along the front-rear direction of the vehicle body.
The upper edge of the protruding wall 7 is formed with an engaging projection 8 projecting upward along the front-rear direction of the vehicle body, and the lower edge of the protruding wall 7 is formed with an engaging projection projecting downward along the front-rear direction of the vehicle body. A part 9 is formed.

As shown in FIG. 7, a projection 6 is formed on one side of the protruding wall 7 inside the door outer panel 1 so as to face the through-holes 44 of the outer wall 43 of the rising portion 41 of the door lower panel 5.
0 and 60 are formed, and projections 61 and 61 are formed on the other side of the protruding wall 7 inside the door outer panel 1 so as to face the through holes 52 and 52 of the outer wall 50 of the rising portion 42 of the door lower panel 5. The protrusions 60 are formed with screw holes 62 opening toward the inside of the vehicle body, respectively, and the protrusions 61 are formed with screw holes 63 opening toward the inside of the vehicle body. Each is formed.

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

The engaging recess 26 and the engaging recess 27 of the holder 6
As shown in FIG. 8, the engaging projections 8 and 9 of the projecting wall 7 of the door outer panel 1 are respectively fitted from the side where the holding body 6 opens, and the receiving plate of the holding body 6 21 is engaged with the end face of the projecting wall 7 of the door outer panel 1, and the engaging projections 8 and 9 of the projecting wall 7 of the door outer panel 1 are engaged with the locking pieces 24 of the holder 6 and the engaging projections 9. The stop pieces 25 are respectively locked, and the side beams 2 are supported on the protruding walls 7 of the door outer panel 1 via the holding bodies 6.

The rising portion 41 of the door lower panel 5
As shown in FIG. 9, the through hole 48 of the inner wall 47, the through hole 12 of the swelling portion 10 of the side beam 2 and the through hole 44 of the outer wall 43 of the rising portion 41 of the door lower panel 5 A bolt 65 is inserted from the inside of the vehicle body into the through hole 56 of the inner wall 54 of the rising portion 42 of the door lower panel 5 and the through hole 52 of the outer wall 50 of the rising portion 42 of the door lower panel 5. The tip of the bolt 64 is screwed into the screw hole 62 of the projection 60 of the door outer panel 1, and the screw hole 6 of the projection 61 of the door outer panel 1 is inserted.
3 is screwed with a tip of a bolt 65, the rising portion 41 of the door lower panel 5 is fixed to the projection 60 of the door outer panel 1 by a bolt 64, and the rising portion 42 of the door lower panel 5 is formed as a projection of the door outer panel 1. Bolt 6 to 61
5 fixed.

As shown in FIG.
The through holes 67, 67 are provided near the upper edge and the lower edge of the vertical wall 66.
Are provided near the center of the vertical wall 66, and a fitting projection 68 protruding toward the rear of the vehicle body is formed near the center of the vertical wall 66. An upper wall protruding toward the rear of the vehicle body is formed on the upper edge of the vertical wall 66. A lower wall 70 is formed on the lower edge of the vertical wall 66 to project rearward of the vehicle body, and a holding piece 71 hanging downward is formed on an edge of the upper wall 69. At the edge of the wall 70, a pressing piece 72 rising upward is formed, and at a lower portion of an upper wall 69 between the vertical wall 66 and the pressing piece 71, a support groove 73 is formed. A support groove 74 is formed in an upper portion of the lower wall 70 between the holding piece 72 and the holding piece 72.

The fitting projection 68 of the vertical wall 66 of the holder 16
As shown in FIG. 10, square holes 75, 75 that open toward the rear of the vehicle body are formed, respectively, and the square holes 75, 75 of the fitting protrusion 68 are, as shown in FIG. Locking claws 76, 76 protruding rearward are provided so as to be able to protrude and retract, respectively. A bearing 77 is formed on one side of the square hole 75 of the fitting projection 68, and the fitting projection 68 is An overhang portion 78 is formed on the other side of the square hole 75, and the square hole 75 of the fitting protrusion 68 is formed.
A projection 79 is formed on the inner wall.

As shown in FIG. 11, an inclined surface 80 which is inclined with respect to the fitting projection 68 of the holder 16 is formed on the end surface of the locking claw 76, and one side of the locking claw 76 is formed on one side. A support shaft portion 81 is formed, and the holder 16 is
A stopper 82 projecting toward one side of the square hole 75 of the holder 16 is formed, and a concave portion 83 opening toward the inner wall of the square hole 75 of the holder 16 is provided between the support shaft portion 81 of the locking claw 76 and the stopper 82. Is formed between the inner wall of the square hole 75 of the holder 16 and the inner wall of the concave portion 83 of the locking claw 76 so as to urge the locking claw 76 outwardly of the fitting projection 68 of the holder 16. A coil spring 84 is provided, a projection 79 of the holder 16 is fitted inside one end of the compression coil spring 84, and the other end of the compression coil spring 84 is fitted into a recess 83 of the locking claw 76.

As shown in FIG. 11, a support shaft 81 of a locking claw 76 is rotatably supported on a bearing 77 of a square hole 75 of the holder 16, and the locking claw 76 is held by a compression coil spring 84. The stopper 82 of the engaging claw 76 is in contact with the protrusion 78 of the square hole 75 of the holder 16.

The holder 16 is provided with through holes 67, 6 in the vertical wall 66.
7 and is fixed to pillars of the vehicle body.

The support groove 73 and the support groove 74 of the holder 16
As shown in FIG. 12, the flanges 35 and 36 of the fixed bracket 14 of the door hinge 3 are respectively fitted from the side where the holder 16 opens, and the fitting recess 37 of the fixed bracket 14 is As shown in FIG. 13, the fitting projection 68 of the vertical wall 66 of the holder 16 is fitted, and the locking hole 3 of the vertical wall 31 of the fixed side bracket 14 is fitted.
Locking claws 76, 76 are respectively fitted into the fixing brackets 2, 32, and the fixed side bracket 1
No. 4 restricting piece 38 is abutted, and a pressing piece 71 and a pressing piece 72 of the holder 16 are respectively locked to the flange 35 and the flange 36 of the fixed bracket 14, and the fixed bracket 14 is locked by locking claws 76, 76. It is fixed to the holder 16.

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

First, as shown in FIG. 2, the movable bracket 13 of the door hinge 3 is fixed to the outer surface of the receiving portion 11 of the side beam 2, and the receiving portion 1 of the side beam 2 is fixed.
After the door lock 4 is fixed to the inner surface of the side beam 7, the support walls 29, 29 of the movable bracket 13 are fitted into the square holes 46, 46 of the side wall 45 of the rising portion 41 of the door lower panel 5, respectively. The side wall 45 of the rising portion 41 of the door lower panel 5 is fixed to the outside of the receiving portion 11, and the side wall 53 of the rising portion 42 of the door lower panel 5 is fixed to the outer surface of the receiving portion 17 of the side beam 2. As shown in FIG. 5, rising portions 41 and rising portions 42 on both upper sides of the door lower panel 5 are attached to the receiving portions 11 and 17 of the side beams 2, respectively.

Next, between the support wall 29 of the movable bracket 13 of the door hinge 3 fixed to the outside of the receiving portion 11 of the side beam 2, the support walls 33, 33 of the fixed bracket 14 of the door hinge 3 are mounted. The connection pins 15 are fitted into the support walls 29, 29 of the movable bracket 13 and the support walls 33, 33 of the fixed bracket 14 from above.
As shown in FIG. 6, the fixed bracket 14 is connected to the movable bracket 13 by the connecting pin 15, and the door hinge 3 is attached to the receiving portion 11 of the side beam 2.

Next, the holder 6 outside the side beam 2
By inserting the protruding wall 7 of the door outer panel 1 between the locking pieces 24 and the locking pieces 25 from the side where the holding body 6 opens, the engaging recesses 26 and 27 of the holding body 6 are inserted. The engagement projections 8 and 9 of the projection wall 7 of the door outer panel 1 are respectively fitted into the projections 7, and the engagement projections 8 and 9 of the projection wall 7 of the door outer panel 1 The side beam 2 is attached to the protruding wall 7 inside the door outer panel 1 via the holder 6 as shown in FIG.

Thereafter, the rising portion 4 of the door lower panel 5
1 is fixed to the projections 60, 60 inside the door outer panel 1 by bolts 64, 64, and the rising portion 42 of the door lower panel 5 is fixed to the projections 61, 61 inside the door outer panel 1 by bolts 65, 65. Then, as shown in FIG. 9, the rising portion 41 and the rising portion 42 of the door lower panel 5 are attached inside the door outer panel 1.

Thereafter, between the holding piece 71 and the holding piece 72 of the holder 16 fixed to the pillar of the vehicle body, the fixed side bracket 14 of the door hinge 3 from the side where the holder 16 opens.
12, the flange 35 and the flange 36 of the fixed side bracket 14 are fitted into the support groove 73 and the support groove 74 of the holder 16 as shown in FIG. Is fitted into the fitting concave portion 37 of the fixed side bracket 14, and the inner wall of the fitting concave portion 37 of the fixed side bracket 14 engages the locking claws 76, 76 along the inclined surface 80 with the compression coil spring 8.
After being pressed into the square holes 75, 75 of the fitting projection 68 of the holder 16 while resisting the urging forces of the holders 4, 84, the locking holes 32, 32 of the vertical wall 31 of the fixed side bracket 14 are At the same time that the engaging claws 76, 76 face the square holes 75, 75 of the fitting protrusion 68 of the 16, the urging forces of the compression coil springs 84, 84 cause the engaging holes 32, 32 of the vertical wall 31 of the fixed-side bracket 14. 13, the fixed side bracket 14 of the door hinge 3 is attached to the holder 1 as shown in FIG.
6, the door outer panel 1 is attached to the holder 16 via the door hinge 3.

[0041]

As described above, according to the vehicle door of the present invention, the reinforcement of the door outer panel is inserted by inserting the reinforcement of the door outer panel from the side opening to the holding body. Since the stop locks the holding body, the side beam can be attached to the reinforcing part of the door outer panel via the holding body, and the door hinge, the door lock and the door lower panel are installed together with the side beam inside the door outer panel. Therefore, it is not necessary to separately attach the door hinge and the door lock to the door inner panel as in the related art, and the door hinge, the door lock and the door lower panel can be easily attached to the door outer panel, and the door outer can be easily performed. The torsional deformation and thermal deformation of the panel can be prevented by the reinforcing portion.

[Brief description of the 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 a main part of FIG. 1;

FIG. 3 is a perspective view of the door hinge of FIG. 1;

FIG. 4 is a perspective view of the door lower panel of FIG. 1;

FIG. 5 is a fragmentary front view showing a state where the door lower panel is attached to a side beam.

FIG. 6 is a front view showing a state where a door hinge is attached to a side beam.

FIG. 7 is a perspective view of the door outer panel of FIG. 1;

FIG. 8 is a sectional side view of a main part showing a state where the holding body is attached to the door outer panel.

FIG. 9 is a fragmentary front view showing a state where the door lower panel is attached to the door outer panel.

FIG. 10 is a perspective view of the holder of FIG. 1;

11 is a cross-sectional view of a main part of FIG. 10;

FIG. 12 is a fragmentary front view showing the state of attachment of the door outer panel to the holder.

FIG. 13 is an enlarged sectional view of a main part of FIG. 12;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Door outer panel 2 Side beam 3 Door hinge 4 Door lock 5 Door lower panel 6 Holder 7 Projection wall 8 Engagement convex part 9 Engagement convex part 10 Swelling part 11 Reception part 12 Through hole 13 Movable bracket 14 Fixed bracket DESCRIPTION OF SYMBOLS 15 Connecting pin 16 Holder 17 Receiving part 18 Notch part 19 Support plate 20 Flange 21 Receiving plate 22 Overhanging piece 23 Overhanging piece 24 Locking piece 25 Locking piece 26 Engaging recess 27 Engaging recess 28 Vertical wall 29 Support wall 30 Support hole 31 Vertical wall 32 Lock hole 33 Support wall 34 Through hole 35 Flange 36 Flange 37 Fitting recess 38 Restriction piece 39 Head 40 Annular groove 41 Rise section 42 Rise section 43 Outer wall 44 Through hole 45 Side wall 46 Square hole 47 Inner wall 48 through hole 49 support piece 50 outer wall 51 cutout recess 52 through hole 53 side wall 54 inner wall 55 cut Notched hole 56 Through hole 57 Supporting piece 58 Retaining ring 59 Depressed groove 60 Projection 61 Projection 62 Screw hole 63 Screw hole 64 Bolt 65 Bolt 66 Vertical wall 67 Through hole 68 Fitting protrusion 69 Upper wall 70 Lower wall 71 Pressing piece 72 Pressing Piece 73 support groove 74 support groove 75 square hole 76 locking claw 77 bearing portion 78 overhang portion 79 projection 80 inclined surface 81 support shaft portion 82 stopper 83 concave portion 84 compression coil spring

Claims (1)

(57) [Claims] 1. A side beam is disposed inside a door outer panel of a vehicle body along the longitudinal direction of the vehicle body, a door hinge is provided at one end of the side beam, and a door lock is provided at the other end of the side beam. A door lower panel is provided at a lower portion of the side beam, upper ends on both sides of the door lower panel are respectively attached to both ends of the side beam, and a holding body that opens outward in the front-rear direction of the vehicle body outside the side beam. Wherein a reinforcing portion is integrally formed inside the door outer panel along the front-rear direction of the vehicle body, and a locking portion for locking the holding body is formed on the reinforcing portion of the door outer panel. Car door.