JP4507788B2 - Vehicle seat assembling method and assembling support device - Google Patents

Description

The present invention relates to a vehicle seat assembling method and an assembling support device capable of easily attaching a seat when the seat is attached to a floor panel of an automobile .

  9 and 10 includes a movable carriage 52, a pair of left and right support arms 53 projecting horizontally from the carriage 52, and arms that support the support arms 53 on the carriage 52. A lateral drive mechanism 54, a fall prevention arm 55 disposed above the carriage 52 so as to be movable up and down, and an arm vertical drive mechanism 56 that supports the fall prevention arm 55 so as to be movable up and down on the carriage 52 are provided.

  The arm lateral drive mechanism 54 is configured such that a pair of support arms 53 swings in the left-right direction so as to be able to approach and separate from each other by the operation of a cylinder 57. The arm vertical drive mechanism 56 includes an elevating cylinder 59 fixed in a vertical direction on a support column 58 projecting from the upper surface of the rear portion of the carriage 52, and is orthogonal to the upper end portion of the piston rod 60 protruding upward from the elevating cylinder 59. One end of the fall prevention arm 55 is fixed. The fall prevention arm 55 is substantially parallel to each support arm 53 and is moved up and down between the support arms 53. Further, a sheet engagement piece 62 having a U-shaped cross section is fixed to the lower surface of the tip end side of the fall prevention arm 55.

With such a structure, the distance between the pair of support arms 53 is set to a width that supports the seat 63, and the seat 63 is placed with the front portion of the seat cushion 64 facing downward on the pair of support arms 53. Supported. At the same time, the fall prevention arm 55 is lowered from the upper limit position by the operation of the elevating cylinder 59, and the seat engagement piece 62 engages with the lower end portion of the seat back 65 sandwiched in the thickness direction. This engagement prevents the seat 63 from swinging or falling in the left-right direction. Then, the carriage 52 that supports the seat 63 moves to a vehicle (not shown) and is carried into the vehicle compartment with the seat 63 folded. The sheet 63 carried into the floor of the vehicle body is fixed to the floor by bolting.
JP 2001-30911 A (see FIGS. 1 to 4)

Such a seat mounting auxiliary device 51 can carry the seat 63 to the vehicle body, but engages with the lower end portion of the seat back 65 sandwiched in the thickness direction, so that the skin and urethane of the seat back 65 are damaged during transportation. There is a fear. Moreover, since the cart 52 is used, the large cart 52 occupies the work area on the ground.
The present invention was made in view of such circumstances, in order to support the sheet during assembly seat to the vehicle body, space-saving, it can easily support the sheet, the sheet easily It is an object of the present invention to provide a vehicle seat assembling method and an assembling support device that can be attached .

In order to achieve the above object, the present invention provides a seat cushion having a cushion frame, a hinge bracket fixed to the rear portion of the cushion frame, and a hinge portion formed on an upper portion of the hinge bracket so as to be rotatable. And a seat back configured to be foldable on the seat cushion, wherein the cushion frame includes a pipe frame extending linearly in the width direction at the rear portion of the seat cushion. Leave
At the time of manufacturing the vehicle seat, the hinge bracket is fixed to the pipe frame with the end of the pipe frame being penetrated, and the end of the pipe frame is opened. Every
A hand that can move in the front-rear direction, the up-down direction, and the left-right width direction with respect to the vehicle on the assembly location or assembly line of the seat , and a single linear support extending from the hand in the horizontal direction includes a rod, said supporting rod, said assembly supporting device used so as to have a smaller circular cross-sectional shape than said opening of the pipe frame, wherein the supporting rod the seat of the vehicle seat by inserting from the opening to the pipe frame, the sheet folded, the front end of the seat cushion is cantilevered with a downward hanging position, introduced into the vehicle compartment from the door opening of the vehicle, The seat that is movable in the circumferential direction and the axial direction of the support rod is positioned and assembled on a vehicle interior floor .

The present invention also provides a seat cushion having a cushion frame, a hinge bracket fixed to a rear portion of the cushion frame, and a hinge portion formed on an upper portion of the hinge bracket so as to be pivotally supported. A seat back configured to be foldable, and the cushion frame includes a pipe frame extending linearly in the width direction at a rear portion of the seat cushion, and the hinge bracket penetrates an end portion of the pipe frame. An assembly support device for assembling a vehicle seat that is fixed to the pipe frame in a state in which the end portion of the pipe frame is opened,
A hand that can move in the front-rear direction, the up-down direction, and the left-right width direction with respect to the vehicle on the assembly location or assembly line of the seat , and a single linear support extending from the hand in the horizontal direction The support bar has a circular cross-sectional shape smaller than the opening of the pipe frame of the vehicle seat, and by inserting the support bar into the pipe frame from the opening, moving said sheet in a folded state, Ri front end supportable der cantilevered downward hanging posture of the seat cushion, and, in its supported state, the sheet is, in the circumferential direction and the axial direction of the support rod The present invention is a support device for assembling a vehicle seat.

In the assembly supporting device, the supporting rod, it is preferable longer than the pipe frame. Further, a stopper for preventing the sheet from dropping is provided at the tip of the support rod protruding from the opening opposite to the opening of the pipe frame with the support rod inserted into the pipe frame from the opening. It is preferred that

The present invention employs the vehicle seat assembling method and the assembling support device as described above, so that the seat can be supported in a suspended state with only a simple linear support rod, and a special seat holding device or A jig is not required, and the assembly support device can be simplified. Since only the inside of the pipe frame of the seat is supported, damage to the skin and urethane of the seat can be prevented, and it is not necessary to separately form a special support portion on the seat. Further, the seat is a flip-up type in which the rear side of the seat cushion is rotated upward around an axis provided at the front lower portion of the seat cushion in a state where the seat back is folded on the seat cushion. sheet der lever, when incorporated into the vehicle compartment by the support bar, since the cantilevered in a similar hanging posture and drive-up attitude, the vehicle interior in a posture that remains supporting the seat with support rod Can be fixed to the floor, making it easy to assemble the seat.

Hereinafter, embodiments of the sheet support structure of the present invention will be described with reference to the drawings.
FIG. 1 is a side view of a left and right split rear seat of an automobile, FIG. 2 is an exploded perspective view of the left side of the split sheet, and FIG. 3 is a right side perspective view of the split seat. Note that the left and right sheets of the divided sheets are denoted by the same reference numerals, and the left-side sheet 1 will be described unless otherwise specified.
The seat 1 includes a seat cushion 2 on which an occupant sits and a seat back 3 on which the occupant leans back. The seat frame 6 of the seat cushion 2 includes a U-shaped frame 16 that forms a front portion and a side portion of the frame 6, and a support frame 17 that forms a rear portion of the seat frame 6 and is disposed in the vehicle width direction. Is provided.

The support frame 17 uses a pipe material, and the left and right tip portions of the support frame 17 penetrate the left and right hinge brackets 5, and the tip portions slightly protrude from the surface of the hinge bracket 5. The support frame 17 and the hinge bracket 5 are fixed by welding, and the hinge bracket 5 is fixed to the side portion of the U-shaped frame 16 by welding.
The support frame 17 is made of a material that is thicker than the pipe diameter that is normally used (an object having a large rigidity).
A hinge portion 4 that supports the seat back 3 is formed on the upper portion of the hinge bracket 5. The seat back 3 can be folded on the seat cushion 2 while the seat back 3 is rotated with the hinge portion 4 as the center of rotation. That is, from the standing posture of the seat back 3 shown in FIG. 4A, the seat back 3 can be tilted as shown in FIG. 4B.

5 and 6 show a state of attachment of the seat 1, FIG. 5 shows a state before the rear floor panel 9 of the seat 1 is attached, and FIG. 6 shows a state where the seat 1 is attached to the rear floor panel. In addition, in order to represent the hinge metal fitting 7 attached to the sheet | seat 1, it has fractured | ruptured so that the part can be seen.
A hinge bracket 7 that rotates the seat 1 in a state in which the seat 1 is folded is attached to the seat frame 6 by welding a hinge shaft 8 and a nut (not shown) to the front surface of the lower surface of the seat cushion 2. 1 and two hinge brackets 7 are arranged on the left wide sheet 1 (see FIGS. 2 and 3).
As shown in FIG. 6, the rear floor panel 9 is formed with a bolt hole 24 in the front wall portion 10 having a raised floor, and is fixed by the bolt 11 through an insertion hole 25 formed in the hinge fitting 7. . The rear part of the hinge fitting 7 is inserted into a bolt insertion hole of the hinge fitting 7 into a stud bolt 12 erected upward from the rear floor panel 9 and fixed by a nut 13.

  With this hinge structure, as shown in FIG. 4C, the seat 1 shown in FIG. 4B is rotated with the hinge shaft 8 as the rotation axis while the seat cushion 2 and the seat back 3 are folded. The seat cushion 2 can be in a flip-up posture (standing posture) with the rear end side (seat folding side) facing upward. When the seat 1 is in the flip-up posture, the hook 15 of the holding belt 14 is engaged with a support rod (not shown) of the headrest of the front seat, and the seat 1 can be held in the flip-up posture. When the seat 1 is flipped up, the storage portion of the rear floor panel 9 is widened by the amount that is lifted up, and more luggage can be loaded.

  The support frame 17 serves as a support portion when the seat 1 is assembled to the automobile 18. The suspension apparatus shown in FIG. 7 can support a heavy object, the hand 20 can move in the front-rear, up-down, left-right directions, and the support bar 21 extends in the horizontal direction from the hand 20. The outer diameter of the support bar is smaller than the inner diameter of the support frame 17, and the support bar 21 is inserted and supported by the suspending device 19 in a state where the seat 1 is folded. Since the support frame 17 is on the rear side of the seat cushion 2, the front end side of the seat cushion 2 is supported downward by gravity.

In the production line of automobiles, when a heavy member is assembled, a special jig is attached to the support part of the suspension device 19 that is lowered from the ceiling side, for example, by supporting a seat, a door, etc. May be transported to the line.
In the present embodiment, the shaft 20 is simply attached to the hand 20 without using a complicated jig for the suspending device 19. The outer diameter of the support bar 21 is smaller than the inner diameter of the support frame 17. The seat 1 is supported by the suspension device 19 only by inserting the support rod 21 into the opening 17 a of the support frame 17 of the seat 1. The length of the support bar 21 may be longer than that of the support frame 17, and in this case, a stopper that prevents the sheet 1 from falling may be provided at a portion where the support bar 21 protrudes from the support frame 17. However, it is not necessary if the insertion amount of the support bar 21 into the support frame 17 is deep.

As shown in FIG. 8, when assembling the seat 1 to the automobile, the seat 1 is supported by the support rod 21 while the seat 1 is supported by the suspension device 19, and the seat 1 is opened from the rear door frame opening 22. Put it in the passenger compartment with the same posture as when it is flipped up. As shown in FIGS. 5 and 6, the seat 1 is in the flip-up posture, and the hinge fitting 7 is located on the lower side. Therefore, the hinge fitting 7 can be disposed immediately above its regular mounting position on the rear floor panel 9. Then, the suspension device 19 is lowered, and the hinge fitting 7 is assembled into the stud bolt 12 of the rear floor panel 9 and fastened with the nut 13.
The bolt 11 is screwed into the bolt hole 24 on the front end side of the hinge fitting 7. Thus, the seat 1 can be easily assembled to the rear floor panel 9. At the time of this assembly, the support frame 17 is simply supported by the support rod 21 and is not directly fixed, but the seat 1 can be changed in the circumferential direction and the axial direction of the support rod 21. The degree of freedom increases and the installation time can be shortened.
The left and right end openings 17a of the support frame 17 can be hidden by covering with a skin or a hinge cover 23 after the seat is attached, and there is no problem in appearance.
Thus, the lifting device 19 of the seat 1 according to the present embodiment can be easily supported without taking a place when supporting the seat when the seat is assembled to the vehicle body. Moreover, since it is supported by the support frame 17 of the sheet 1 with the support rod 21, these damages can be prevented without touching the skin or urethane 2a portion of the sheet 1.

Although the embodiments of the present invention have been described above, various modifications and changes can be made based on the technical idea of the present invention as well as the present invention.
For example, in the above embodiment, the suspension device 19 is provided with the support rod 21 to support the seat 1, but the carriage 52 described in the prior art (see FIGS. 9 and 10, the carriage is self-propelled, manual type) In any case, the same support rod 21 as in the present embodiment may be provided, and the seat 1 may be cantilevered and assembled to the vehicle body .

1 is a side view of a split and tilting rear seat that employs a seat support structure in an embodiment of the present invention. It is a disassembled perspective view of the left side of the division | segmentation sheet | seat of FIG. It is a disassembled perspective view of the right side of the division | segmentation sheet | seat of FIG. A is a side view of the seat in a normal use state, B is a side view of the seat tilted on the seat cushion, and C is a seat with the hinge shaft at the lower front side of the seat cushion as a rotation axis. It is a side view of the state which bounced up upwards. FIG. 5 is a partially broken perspective view showing a seat attachment state according to the embodiment of the present invention and before the seat hinge is attached to the rear floor panel. It is a partial fracture perspective view of the state where the seat attachment state was shown by the embodiment of the present invention, and the hinge of the seat was attached to the rear floor panel. It is a perspective view which shows the process which is going to suspend the sheet | seat of FIG. 1 with a suspending apparatus. It is a perspective view of the state which moved the sheet | seat of FIG. 1 with the suspension apparatus, and was integrated in the vehicle interior. It is a side view of the state which shows the conventional support structure of a sheet | seat and the sheet | seat is supported by the trolley | bogie. FIG. 6 is a perspective view showing a conventional seat support structure in a state where the seat is supported by a carriage.

DESCRIPTION OF SYMBOLS 1 Seat 2 Seat cushion 3 Seat back 4 Hinge part 5 Hinge bracket 6 Seat frame 7 Hinge bracket 8 Hinge shaft 9 Rear floor panel 16 U-shaped frame 17 Support frame 17a Opening 18 Car 19 Suspension device 20 Hand 21 Support rod

Claims (4)

A seat cushion having a cushion frame, a hinge bracket fixed to a rear portion of the cushion frame, and a hinge portion formed on an upper portion of the hinge bracket are rotatably supported, and are configured to be foldable on the seat cushion. and a seat back, wherein the cushion frame, Oite the method of assembling the vehicle seat including a pipe frame extending linearly to the rear in the widthwise direction of the seat cushion,
At the time of manufacturing the vehicle seat, the hinge bracket is fixed to the pipe frame with the end of the pipe frame being penetrated, and the end of the pipe frame is opened. Every
A hand that can move in the front-rear direction, the up-down direction, and the left-right width direction with respect to the vehicle on the assembly location or assembly line of the seat , and a single linear support extending from the hand in the horizontal direction includes a rod, said supporting rod, said assembly supporting device used so as to have a smaller circular cross-sectional shape than said opening of the pipe frame, wherein the supporting rod the seat of the vehicle seat by inserting from the opening to the pipe frame, the sheet folded, the front end of the seat cushion is cantilevered with a downward hanging position, introduced into the vehicle compartment from the door opening of the vehicle, A method for assembling a vehicle seat, comprising positioning and assembling the seat, which is movable in a circumferential direction and an axial direction of the support rod, on a vehicle interior floor . A seat cushion having a cushion frame, a hinge bracket fixed to a rear portion of the cushion frame, and a hinge portion formed on an upper portion of the hinge bracket are rotatably supported, and are configured to be foldable on the seat cushion. The cushion frame includes a pipe frame that extends linearly in the width direction at the rear portion of the seat cushion, and the hinge bracket penetrates the end of the pipe frame. An assembly support device for assembling a vehicle seat that is fixed to a frame and that is prepared in a state where the end portion of the pipe frame is opened,
A hand that can move in the front-rear direction, the up-down direction, and the left-right width direction with respect to the vehicle on the assembly location or assembly line of the seat , and a single linear support extending from the hand in the horizontal direction The support bar has a circular cross-sectional shape smaller than the opening of the pipe frame of the vehicle seat, and by inserting the support bar into the pipe frame from the opening, moving said sheet in a folded state, Ri front end supportable der cantilevered downward hanging posture of the seat cushion, and, in its supported state, the sheet is, in the circumferential direction and the axial direction of the support rod A support device for assembling a vehicle seat, which is possible. The support device for assembling a vehicle seat according to claim 2 , wherein the support bar is longer than the pipe frame. With the support rod inserted into the pipe frame from the opening, a stopper for preventing the sheet from dropping is provided at the tip of the support rod protruding from the opening opposite to the opening of the pipe frame. The vehicle seat assembly support device according to claim 3 , wherein the vehicle seat assembly support device is provided.

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