JP4483498B2 - Buckle holding structure for vehicle seat - Google Patents

Description

The present invention relates to a seat belt buckle holding structure capable of easily holding a seat belt buckle with a simple structure .

FIG. 9 shows a seat of an automobile, and FIG. 10 shows a storage portion of a seat belt buckle attached to the seat.
The bench-type seat 51 includes a seat cushion 52 on which an occupant sits and a seat back 53 on which the occupant leans back. A pair of left and right buckles 55 of the seat belt is provided in the center portion in the width direction of the seat 1, and a recessed portion 54 recessed rearward is provided in the lower center portion of the seat back 53 (see FIG. 10). In the recess 54, a resin holding case 56 that houses the buckle 55 is fixed to the seat back 53 with a screw 61. At the upper end surface of the storage portion 57 of the holding case 56, a retaining projection 58 is provided so as to urge the tip of the buckle 55 downward at a predetermined holding position.
At the lower part of the holding case 56, a slip-out preventing wall 59 stands upright substantially integrally with the holding case 56. The escape prevention wall 59 serves to prevent the lower portion of the buckle 55 from coming out of the storage portion 57.

JP-A-8-192718 (see FIGS. 1 and 3)

Since the buckle 55 can be stored in the holding case 56, the buckle 55 does not get in the way. However, the structure of the holding case 56 is complicated, and the assembling of the holding case 56 involves a screwing operation using a screw, which is troublesome.
When the buckle 55 is stored in the holding case 56, the buckle 55 is locked to the retaining protrusion 58 and the retaining wall 59. Therefore, contrary buckle 55 is hardly come off, by the presence of preventing wall 59 retaining the stopper projections 58 missing, can not out collected unless the buckle 55 as shown in dashed line in FIG. 10 at an angle, which is troublesome.

A pair of buckles 55 are provided corresponding to the left and right seats, but the holding case 56 cannot be applied as it is to a tilt-type divided seat. This is because the split portion has a hinge portion, and interference between the hinge portion and the holding case becomes a problem.
Further, as shown in FIG. 10, the belt 60 connected to the buckle 55 cannot be accommodated in the holding case 56 and is exposed to the outside of the holding case 56, so that the appearance is poor.
The present invention has been made in order to solve such a situation, and an object of the present invention is to provide a buckle holding structure in which a holding member for holding a buckle can be easily attached, and that the buckle can be easily stored and taken out from the holding member. And

In order to achieve the above object, the present invention comprises a seat cushion and a seat back, and the seat back has a concave portion formed in a mode in which the side lower corner portion is cut out at the side lower corner portion, a hinge portion to the vehicle seat of the retractable which is rotatably supported in the recess in the buckle holding structure of the vehicle seat provided with a holding portion of the buckle for engaging the tongue of the seat belt, the recess comprising a hinge cover for covering the hinge portion at the inner, the said hinge cover, the partition wall extending forwardly disposed from the front of the buckle between the partition wall and the concave side wall of said seat back A holding part is defined, and the buckle housed in the holding part is held by the elastic force of the seat back constituting the concave side wall surface .

In a preferred aspect of the present invention, the hinge cover is provided with a placement portion that extends forward from the lower end of the front surface and defines the bottom surface of the holding portion, and the placement portion has a front end at the front end. An opening slit is formed, and a belt connecting the buckle is drawn into the slit in a state where the buckle is housed in the holding portion. In addition, the front wall of the hinge cover defines a back wall of the holding portion that restricts the rearward movement of the buckle . Moreover, the front-end part of the said partition wall is formed with the protruding edge which protruded in the recessed part side wall surface side of the said seat back . Furthermore, the edge part from the upper side of the said projecting edge of the said partition wall to an upper end part is formed in circular arc shape.

Since the present invention is configured as described above , the buckle is arranged without being left on the seat cushion. Moreover, since the partition wall is formed on the hinge cover, the number of parts can be reduced. Therefore, the assembly process can be reduced from two processes to one process. The hinge cover and the buckle holding member do not interfere with each other. The movement of the front surface of the hinge cover to the rear side of the buckle is restricted, it buckles Ru is prevented from escaping to the rear of the seat back. Further , it is possible to prevent the buckle from coming out of the buckle holding portion by the protruding edge provided at the front end portion of the partition wall .

Hereinafter, a buckle holding member according to an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is an exploded perspective view of a split-type rear seat 1 of an automobile, FIG. 2 is a perspective view of the vicinity of a buckle holding portion that houses a buckle of a seat belt disposed in the split portion, and FIG. is a perspective view of the hinge cover constituting the buckle holder, FIG. 4 is a plan view of a state in which the buckle holder buckle is not held, the plane of the state 5 to the buckle holder buckle is held FIG.
As shown in FIG. 1, the rear seat 1 is composed of seat backs 2 and 3 and seat cushions 4 and 5 that are divided into left and right, and left and right hinge fittings 30 and 31 are provided at a central divided portion of the rear seat 1. With the hinge shafts 14 and 15 (see FIG. 4) of the hinge fittings 30 and 31 as axes, the seat backs 2 and 3 can be rotated back and forth. Also, belts 8 and 9 with a pair of left and right seat belt buckles 6 and 7 are attached to the hinge brackets 30 and 31 at the divided portions of the left and right seat backs 2 and 3. The buckles 6 and 7 are configured such that a tongue of a seat belt (not shown) is inserted.

Lower corner of the divided portions of the seat back 2, namely central side portion and the bottom portion of the side to lack switching and recesses 10 forming a curved shape or reverse stair-shaped step form of the seat back 2, 11 is formed. As shown in FIG. 2, resin-made hinge covers 12 and 13 that constitute the holding portions of the buckles 6 and 7 are accommodated in the recesses 10 and 11. FIG. 3 shows the hinge cover 13 on the right side of the rear seat 1. The left and right hinge covers 12, 13 are symmetrical.

As shown in FIG. 4, the hinge covers 12 and 13 include buckle holding portions 16 and 17 for holding the buckles 6 and 7 and hinge cover portions 18 and 19 that cover the hinge shafts 14 and 15 of the seat backs 2 and 3. It consists of and.
The buckle holding portions 16 and 17 are located at the upper front portions of the hinge covers 12 and 13, and the partition walls 20 and 21 are disposed adjacent to each other at positions along the extended surfaces of the side surfaces of the seatbacks 2 and 3. The partition walls 20 and 21 are provided adjacent to each other. The partition walls 20 and 21 are formed in a wing shape from the outer surfaces of the hinge cover portions 18 and 19 so as to be flush with the outer surfaces. In the middle of the buckle holding portion 16 in the height direction, mounting portions 22 and 23 arranged in a substantially horizontal direction are provided, and the buckles 6 and 7 are mounted on the mounting portions 22 and 23.

The mounting portions 22 and 23 are formed with slit-like drawing slits 24 and 25 in the front-rear direction of the vehicle body and having the front end portions of the mounting surfaces 22 and 23 as cuts. As shown in FIG. 3, the depths of the drawing slits 24 and 25 are formed such that the widths of the belts 8 and 9 enter, and the slit width is formed to be slightly larger than the thickness of the belts 8 and 9.
Back surface support portions 26 and 27 that rise upward from the placement portions 22 and 23 are formed on the rear side of the placement portions 22 and 23. The back support portions 26 and 27 restrict the rearward movement of the buckles 6 and 7. At the front end portions of the partition walls 20 and 21, protruding edges 28 and 29 are formed on the inner surface 2a and 3a side of the seat backs 2 and 3, respectively. The upper ends of the partition walls 20 and 21 are formed in an arc shape .

6 is a view showing a mounting state of the hinge cover 13, FIG. 7 is a sectional view taken along line AA in FIG. 6, and FIG. 8 is a sectional view taken along line BB in FIG.
The hinge cover portion 19 has substantially the same shape as the outer shape of the hinge fitting 31 so as to cover one end side of the hinge fitting 31.
As shown in FIG. 6, an under cover 32 is disposed below the hinge fitting 31, and a projecting piece 33 protruding outward from the under cover 32 is formed on the under cover 32. On the other hand, a hooking claw 34 is formed in the lower part of the hinge cover portion 19, and the hooking claw 34 is hooked on the protruding piece 33. In addition, the codes | symbols 35 and 36 in FIG.

A plurality (five places) of protrusions 37 protruding inward are formed on the inner edge portion of the hinge cover portion 19 by integral molding with the hinge cover 13. When covered with the hinge cover 19 to the hinge bracket 31, together with the hooking pawl 34 is engaged with the projecting piece 33, the protrusion 37 is restricted to the hinge bracket 31 rides over the edge 31a of the hinge bracket 31, the hinge cover 13 The hinge bracket 31 is assembled.
In addition, although one hinge cover 13 was demonstrated , since the other hinge cover 12 is also the same structure except being a line symmetrical shape, the description is abbreviate | omitted.

Next, the effect of the buckle holding structure of the present invention will be described.
As shown in FIG. 4, in the state where the seat belt is used, the buckles 6 and 7 are pulled out to the outside of the buckle holding portions 16 and 17 , and the tongue of the seat belt (not shown) is inserted into the buckles 6 and 7.
When the seat belt is unused, the buckles 6 and 7 are sandwiched between the partition walls 20 and 21 and the inner surfaces 2a and 3a of the seat backs 2 and 3 as shown in FIG. Is retained . The buckles 6 and 7 are clamped by the elastic force (or pressing force) of the seat backs 2 and 3, and do not come out of the buckle holding portions 16 and 17 by the projecting edges 28 and 29. The buckles 6 and 7 can be easily removed if only the protruding edges 28 and 29 are avoided . Since the seatbacks 2 and 3 have elasticity, the protruding edges 28 and 29 can be easily avoided when the buckles 6 and 7 are pushed into the inner surfaces 2a and 3a.
The hinge covers 12 and 13 are attached to the seat cushions 4 and 5 side by fixing the hinge cover portions 18 and 19 to the hinge fittings 30 and 31. When the seat backs 2 and 3 are tilted, the hinge covers 12 and 13 are It is maintained as it is.

In the present invention, the buckles 6 and 7 can be easily held and taken out as described above. By pulling the belt 8, 9 inside the draw slit 24 and 25, can prevent visible belts 8,9 from outside, there is no problem even when the tilting of the seat back 2. Further, since the hinge covers 12 and 13 integrally form the buckle holding portions 16 and 17 and the hinge cover portions 18 and 19, the number of parts can be reduced, and the buckle holding portions 16 and 17 and the hinge cover can be reduced. The parts 18 and 19 do not interfere with each other.
Furthermore, the attachment of the hinge covers 12 and 13 to the hinge fittings 30 and 31 does not require a screw or the like and can be easily mounted.

Although the embodiments of the present invention have been described above, the present invention is of course not limited thereto, and various modifications and changes can be made based on the technical idea of the present invention.
The hinge covers 12 and 13 constituting the buckle holding portion hold the buckles 6 and 7 so as to be sandwiched between the inner surfaces 2a and 3a of the seat backs 2 and 3 and the partition walls 20 and 21 in the vehicle width direction. However, the upper surface may be formed in the concave portions 10 and 11 and held between the mounting portions 22 and 23 and the upper surface.

1 is an exploded perspective view of a seat that employs a seat belt buckle holding structure according to an embodiment of the present invention. FIG. 2 is a perspective view of the vicinity of a buckle holding portion that houses a buckle of a seat belt disposed between divided seat backs in FIG. 1. It is a perspective view of the hinge cover and buckle which comprise the buckle holding | maintenance part shown in FIG. It is a top view of the state in which the buckle is not hold | maintained at the buckle holding part of this invention. It is a top view of the state in which the buckle is hold | maintained at the buckle holding part of this invention. It is a disassembled perspective view which shows the attachment state to the hinge metal fitting of the hinge cover which comprises the buckle holding | maintenance part which concerns on this invention. It is sectional drawing of the arrow AA line in FIG. FIG. 7 is a step section taken along line BB in FIG. 6. It is a perspective view of the seat which shows the buckle holding structure of the conventional seatbelt. FIG. 10 is a cross-sectional view of a storage portion of a seat belt buckle attached to the seat of FIG. 9.

DESCRIPTION OF SYMBOLS 1 Rear seat 2, 3 Seat back 4, 5 Seat cushion 6, 7 Buckle 10, 11 Recess 12, 13 Hinge cover 16, 17 Buckle holding part 18, 19 Hinge cover part 20, 21 Partition wall 22, 23 Placement part 24, 25 Drawer slits 26 and 27 Rear support portions 28 and 29 protruding edges

Claims (5)

A seat cushion and a seat back , wherein the seat back has a recess formed in a mode in which the side lower corner portion is cut out at a lower side corner portion of the seat back, and is rotatably supported by a hinge portion in the concave portion. the vehicle seat retractable who are, in the buckle holding structure of the vehicle seat provided with a holding portion of the buckle for engaging the tongue of the seat belt,
Comprising a hinge cover for covering the hinge portion in the recess, the said hinge cover, the partition wall extending forwardly disposed from the front side, the between the partition wall and the concave side wall of said seat back A buckle holding part for a vehicle seat , wherein a holding part for a buckle is defined, and the buckle housed in the holding part is sandwiched by the elastic force of the seat back constituting the side wall surface of the recess. Structure . The hinge cover is provided with a mounting portion that extends forward from the lower end of the front surface to define the bottom surface of the holding portion, and the mounting portion has a slit that opens at a front end thereof. The vehicle seat according to claim 1 , wherein a belt connecting the buckle is drawn into the slit in a state where the buckle is housed in the holding portion . Buckle holding structure . By the front surface of the hinge cover, buckle holding structure of a vehicle seat according to claim 2, rear wall of the holding portion is characterized in that it is defined for regulating the movement of the rear side of the buckle. The buckle holding of the vehicle seat according to any one of claims 1 to 3 , wherein a protruding edge is formed at a front end portion of the partition wall so as to protrude toward the recessed sidewall surface of the seat back. Structure . The buckle holding structure for a vehicle seat according to claim 4, wherein an edge portion of the partition wall from the upper side to the upper end portion of the protruding edge is formed in an arc shape .

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