JP6898800B2 - Trim cover and vehicle seat - Google Patents

Description

The present invention relates to a trim cover and a vehicle seat.

The trim cover that covers the cushion pad of the seat mounted on a vehicle such as an automobile is generally composed of a plurality of skin materials sewn together. Then, the sewn portions of the two sewn skin materials may be hung on the cushion pad.

The seat cushion cover described in Patent Document 1 covers a skin material that covers the front side of the central portion in the seat width direction, a skin material that covers the rear side of the central portion in the seat width direction, and side portions on both sides in the seat width direction. It is composed of two skin materials and a plurality of these skin materials sewn together. Then, the sutured portion between the epidermis material on the front side of the central portion and the epidermis material on the posterior side of the central portion, the epidermis material on the anterior side of the central portion and the epidermis material on the posterior side of the central portion, and the epidermis material on one side portion Hooks are provided at the sutures between the front skin material and the center rear skin material and the other side skin material, and each suture is suspended from the cushion pad by the hook. There is.

Japanese Unexamined Patent Publication No. 2011-156252

In the cover described in Patent Document 1, a suture line for sewing a skin material on the front side of the central portion and a skin material on the rear side of the central portion, and a skin material on the front side of the central portion and a skin material on the rear side of the central portion. The suture lines that sew the skin material of one side portion intersect with each other. As described above, at the intersection of the two suture lines, wrinkles may occur as the sutured portion is hung on the cushion pad, which may impair the appearance quality of the sheet.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a trim cover and a vehicle seat capable of improving the appearance quality.

The trim cover according to one aspect of the present invention is a trim cover that covers the cushion pad of the vehicle seat, and includes a first skin material, a second skin material sewn with the first skin material, and the first skin material. The first skin material, the third skin material sewn with the second skin material, and the third skin material along the second stitch line intersecting the first stitch line where the material and the second skin material are sewn together. The seam allowance of the first skin material formed in the suture portion is provided at the seam allowance between the first skin material and the second skin material and is provided with a hanging portion suspended from the cushion pad. And the end of the seam allowance of the second skin material are sewn with the third skin material along the second stitch line, and the seam allowance of the first skin material formed in the stitched portion. And in the section of at least one of the seam allowances of the second skin material between the second stitch line and the end of the hanging portion on the second stitch line side, the seam allowance is connected to the first seam allowance. 1 There is a notch extending towards the suture line.

Further, the vehicle seat of one aspect of the present invention includes the trim cover and the cushion pad covered by the trim cover, and the hanging portion of the trim cover is suspended from the cushion pad. There is.

According to the present invention, it is possible to provide a trim cover and a vehicle seat that can improve the appearance quality.

It is a perspective view of an example of a vehicle seat for demonstrating the embodiment of this invention. It is a perspective view which looked at the 1st skin material, the 2nd skin material, and the 3rd skin material of the trim cover of the sheet of FIG. 1 from the back side. FIG. 3 is a cross-sectional view taken along the line III-III of FIG. It is a perspective view which shows typically the state of the suture part of the 1st skin material and the 2nd skin material when the trim cover of the seat of FIG. 1 is suspended in a cushion pad. It is a perspective view which shows typically the state of the suture part of the 1st skin material and the 2nd skin material when the trim cover as a reference example is suspended in a cushion pad. It is a perspective view which shows typically the preferable aspect of the trim cover of the sheet of FIG. It is sectional drawing of the modification of the trim cover of the sheet of FIG. It is sectional drawing of another modification of the trim cover of the sheet of FIG. It is sectional drawing of another modification of the trim cover of the sheet of FIG. It is sectional drawing of another modification of the trim cover of the sheet of FIG.

FIG. 1 shows an example of a vehicle seat for explaining an embodiment of the present invention.

The vehicle seat 1 shown in FIG. 1 is a vehicle seat mounted on a vehicle such as an automobile, and includes a seat cushion 2 for supporting the buttocks and thighs of an occupant seated on the seat, and a waist and back of the occupant. It includes a seat back 3 that supports it, and a headrest 4 that is provided at the upper end of the seat back 3 and supports the occupant's neck and head. The seat cushion 2, the seat back 3, and the headrest 4 include a frame and a cushion pad that covers the frame, and the cushion pad is covered by a trim cover.

The trim cover 5 of the seat cushion 2 covers the first skin material 11 that covers the front side of the seat surface in contact with the buttocks and thighs of the occupant in the seat width direction, and the rear side of the seat surface in the seat width direction. A plurality of skin materials including the second skin material 12 and two third skin materials 13 covering the side portions of the seat surface in the seat width direction are sewn together. As the skin material, for example, leather, woven cloth, non-woven fabric and the like are used. The trim cover 5 may be formed of one type of skin material, or may be formed of a plurality of types of skin material that differ depending on the site.

FIG. 2 shows a sutured portion between the first skin material 11 and the second skin material 12 of the trim cover 5, and one third skin material 13, and FIG. 3 shows the first skin material 11 and the second skin material 12 and the stitched portion. Indicates a state in which the sewn portion of the seat cushion 2 is suspended from the cushion pad of the seat cushion 2.

The first skin material 11 and the second skin material 12 are sewn along the first suture line L1 extending in the seat width direction, and the sewn first skin material 11, the second skin material 12, and the third skin are sewn together. The material 13 is sewn along the second stitch line L2 extending in the front-rear direction of the sheet. The first suture line L1 and the second suture line L2 intersect in a substantially T shape.

The seam allowance 21a of the sewing allowance 21 of the first skin material 11 formed on the stitched portion 20 between the first skin material 11 and the second skin material 12 and the seam allowance 22 of the second skin material 12 on the third skin material 13 side. The end portion 22a on the side of the third skin material 13 is sewn along the second sewing line L2 to the stitched portion 23 of the first skin material 11 and the second skin material 12 and the third skin material 13. ..

The seam allowance 21 of the first skin material 11 and the seam allowance 22 of the second skin material 12 may be tilted to either side of the first skin material 11 or the second skin material 12 in a state of being overlapped with each other. However, in this example, the seam allowance of the first skin material 11 is tilted to the side of the first skin material 11, the seam allowance 22 of the second skin material 12 is tilted to the side of the second skin material 12, and the seam allowances 21 and 22 are left and right. It is divided into. Since both seam allowances 21 and 22 sewn to the stitched portion 23 of the first skin material 11 and the second skin material 12 and the third skin material 13 are split to the left and right, an increase in the thickness of the stitched portion 23 is suppressed. To.

The suture portion 20 between the first skin material 11 and the second skin material 12 is provided with a hanging portion 14 that is suspended from the cushion pad of the seat cushion 2. In this example, the hanging portion 14 is the first skin. It is provided in the seam allowance 21 of the material 11. The seam allowance 21 has a protruding portion 24 that is arranged so as to protrude from the seam allowance 22 when it is overlapped with the seam allowance 22 of the second skin material 12, and a plurality of through holes 25 are formed in the protruding portion 24. ing. The hanging portion 14 is composed of a protruding portion 24 in which a through hole 25 is formed.

In the section D1 between the second suture line L2 and the end 14e on the second suture line L2 side of the hanging portion 14 in the seam allowance 21 of the first skin material 11, the seam allowance 21 edge 21e to the first suture line L1 A substantially V-shaped notch 26 extending toward the surface is provided. Similarly, in the seam allowance 22 of the second skin material 12, the section D2 between the second stitch line L2 and the end 14e of the hanging portion 14 extends from the edge 22e of the seam allowance 22 toward the first stitch line L1. A substantially V-shaped notch 27 is provided. The cutouts 26 and 27 are not limited to a substantially V shape, and may be, for example, a substantially U shape or a substantially I (straight line) shape.

As shown in FIG. 3, the cushion pad 6 of the seat cushion 2 has a hanging groove 7 extending in the seat width direction along the suture portion 20 between the first skin material 11 and the second skin material 12 of the trim cover 5. It is formed, and a wire 8 is provided at the bottom of the suspension groove 7. A substantially C-shaped hog ring 15, which is an example of a binding tool, is inserted into each through hole 25 of the hanging portion 14, and the hog ring 15 is crimped around the outer periphery of the wire 8. The hanging portion 14 is locked to the wire 8 via the hog ring 15 and is suspended in the hanging groove 7.

The seam allowance 21 of the first skin material 11 is tilted to the side of the first skin material 11, the seam allowance 22 of the second skin material 12 is tilted to the side of the second skin material 12, and the seam allowances 21 and 22 are divided to the left and right. However, the seam allowance 21 of the first skin material 11 provided with the hanging portion 14 is caused by the hanging portion 14 being suspended in the hanging groove 7. Further, the seam allowance 22 of the second skin material 12 is also caused by the rigidity of the second skin material 12.

FIG. 4 shows a state of the sutured portion 20 between the first skin material 11 and the second skin material 12 when the hanging portion 14 is suspended in the hanging groove 7, and FIG. 5 shows a state of the sutured portion 20 as a reference example. When the cutouts 26 and 27 are omitted, the state of the sutured portion 20 between the first skin material 11 and the second skin material 12 when the hanging portion 14 is suspended in the hanging groove 7 is shown.

As described above, when the hanging portion 14 is suspended in the hanging groove 7, the seam allowance 21 of the first skin material 11 provided with the hanging portion 14 is caused. On the other hand, the end portion 21a of the seam allowance 21 is sewn to the suture portion 23 of the first skin material 11, the second skin material 12, and the third skin material 13, and is restrained in a fallen state. The seam allowance 22 of the second skin material 12 also occurs due to the rigidity of the second skin material 12, but the end portion 22a of the seam allowance 22 is sewn to the sewn portion 23 and is restrained in a collapsed state. ..

Here, as shown in FIG. 5, in the seam allowance 21 of the first skin material 11, when the notch 26 is omitted, the end portion 21a that is restrained in a fallen state and the portion that is caused by hanging. A twist occurs between the two. Due to this twist, wrinkles W are formed on the first skin material 11 in the vicinity of the intersection of the first suture line L1 and the second suture line L2.

Similarly, in the seam allowance 22 of the second skin material 12, when the notch 27 is omitted, a twist occurs between the end portion 22a restrained in the collapsed state and the portion caused by the rigidity. .. Due to this twist, wrinkles are generated in the second skin material 12 in the vicinity of the intersection of the first suture line L1 and the second suture line L2.

On the other hand, as shown in FIG. 4, when the seam allowance 21 of the first skin material 11 is provided with the notch 26, the notch 26 is the second suture line L2 and the hanging portion 14 in the seam allowance 21. It is provided in the section D1 (see FIG. 2) between the second stitch line L2 side and the end 14e, and the portion on the end 21a side and the portion on the opposite side of the notch 26 are the notch 26. Separated from each other. The notch 26 reduces the twist between the end 21a, which is constrained in the fallen state, and the portion caused by the suspension. As a result, it is possible to suppress the occurrence of wrinkles on the first skin material 11, and it is possible to improve the appearance quality of the sheet 1.

Similarly, when the seam allowance 22 of the second skin material 12 is provided with the notch 27, the portion on the end 22a side and the portion on the opposite side of the notch 27 are separated from each other by the notch 27. The twist between the end portion 22a restrained in the fallen state and the portion raised by the rigidity is reduced by the notch 27. As a result, it is possible to suppress the occurrence of wrinkles on the second skin material 12, and it is possible to improve the appearance quality of the sheet 1.

The seam allowance 21 of the first skin material 11 provided with the hanging portion 14 is forcibly caused by the hanging, and the twist generated in the seam allowance 21 occurs in the seam allowance 22 of the second skin material 12 caused by the rigidity. Stronger than twisting. Therefore, preferably, at least the seam allowance 21 of the first skin material 11 is provided with the notch 26, and more preferably, the seam allowance 22 of the second skin material 12 is also provided with the notch 27 as in this example.

From the viewpoint of ease of manufacture, preferably, as shown in FIG. 2, the tip 26t of the notch 26 is located substantially at the center of the seam allowance 21 in the length direction (direction along the first direction line L1) of the section D1. The tip 27t of the notch 27 is arranged at a substantially central portion in the length direction (direction along the first direction line L1) of the section D2 of the seam allowance 22. Here, the tip 26t of the notch 26 is the point farthest from the edge 21e of the notch 26 extending from the edge 21e of the seam allowance 21, and the tip 27t of the notch 27 is the notch extending from the edge 22e of the seam allowance 22. This is the point farthest from the edge 22e of 27.

On the other hand, from the viewpoint of reducing the twist generated in the seam allowance 21 and the seam allowance 22, the tip 26t of the notch 26 and the tip 27t of the notch 27 are preferably arranged on the second stitch line L2, as shown in FIG. To. Here, the fact that the tip 26t of the notch 26 is arranged on the second suture line L2 means that the entire notch 26 is arranged on the second suture line L2, so that the tip 26t is also arranged on the second suture line L2. Including the aspect arranged on L2, and as shown in FIG. 6, the notch 26 extends inclined with respect to the second suture line L2, and only the tip 26t extends on the second suture line L2. It also includes the aspect in which it is arranged.

Further, from the viewpoint of suppressing the tip portions of the notch 26 and the notch 27 from being exposed to the surface of the trim cover 5 between the joints between the first skin material 11 and the second skin material 12, it is preferable. As shown in FIG. 2, the notch 26 and the notch 27 extend to the vicinity of the first suture line L1, in other words, between the tip 26t of the notch 26 and the first suture line L1 and the notch. A gap G is provided between the tip 27t of 27 and the first suture line L1. The interval G is preferably, for example, 2 mm to 3 mm.

The hanging portion 14 is not limited to the one formed by the seam allowance 21 (the protruding portion 24 in which the through hole 25 is formed) of the first skin material 11, and may be formed by a member different from the seam allowance 21. .. For example, as shown in FIG. 7, the hanging portion 14 is composed of a tubular hanging bag 30 sewn on the seam allowance 21 of the first skin material 11 and a wire 31 inserted through the hanging bag 30. May be good. In the example of FIG. 7, as shown by line A, the edge of the hanging bag 30 is aligned with the edge of the seam allowance 21, so that the hanging bag 30 is positioned when the hanging bag 30 is sewn to the seam allowance 21. ..

Further, as shown in FIG. 8, the seam allowance 21 of the first skin material 11 and the seam allowance 22 of the second skin material 12 may be overlapped, and the hanging bag 30 may be sewn to both seam allowances 21 and 22. In this case, the seam allowance 22 of the second skin material 12 is also forcibly caused by hanging, but the twist generated in the seam allowance 22 is reduced by the notch 27 (see FIG. 4). In the example of FIG. 8, as shown by line A, the edges of the hanging bag 30 are aligned with the edges of the seam allowance 21 and the seam allowance 22, so that the hanging bag 30 is sewn to the seam allowance 21 and the seam allowance 22. Is positioned.

Further, as shown in FIGS. 9 and 10, the hanging portion 14 may be formed by a hook 32 having a substantially J-shaped cross section sewn on the seam allowance 21 of the first skin material 11. In the example of FIG. 9, as shown by line A, the boundary between the flat portion and the arc portion of the J-shaped hook 32 is aligned with the edge of the seam allowance 21, so that the J-shaped hook 32 is sewn to the seam allowance 21. The J-shaped hook 32 is positioned. Further, in the example of FIG. 10, as shown by line A, when the edge of the flat portion of the J-shaped hook 32 is aligned with the edge of the folded seam allowance 21, the J-shaped hook 32 is sewn to the seam allowance 21. The J-shaped hook 32 is positioned. As in the example of FIG. 8, the seam allowance 21 of the first skin material 11 and the seam allowance 22 of the second skin material 12 may be overlapped, and the J-shaped hook 32 may be sewn to both seam allowances 21 and 22. ..

Up to this point, among the plurality of skin materials forming the trim cover 5 of the seat cushion 2, the first skin material 11 that covers the front side of the central portion of the seat surface in the seat width direction and the rear side of the central portion of the seat surface in the seat width direction. The present invention has been described by taking as an example a second skin material 12 covering the seat surface and a third skin material 13 covering the side portion of the seat surface in the seat width direction. However, in the present invention, three skin materials intersect with each other. It can be widely applied to the parts sewn by two stitch lines. Further, the present invention can be applied not only to seats mounted on vehicles such as automobiles, but also to seats for vehicles other than vehicles such as aircraft and ships.

As described above, the trim cover disclosed in the present specification is a trim cover that covers the cushion pad of the vehicle seat, and is a first skin material and a second skin that is sewn to the first skin material. The material is sewn to the first skin material and the second skin material along a second suture line that intersects the first stitch line that sews the first skin material and the second skin material. The third skin material, the first skin material, and the second skin material are provided at the seam allowance, and the suspension portion suspended from the cushion pad is provided, and the seam allowance is formed. In the seam allowance of the first skin material and at least one of the seam allowances of the second skin material, the section between the second suture line and the end of the hanging portion on the second suture line side A notch extending from the edge of the seam allowance toward the first suture line is provided.

Further, in the trim cover disclosed in the present specification, the tip of the notch is arranged at the central portion in the length direction of the section.

Further, in the trim cover disclosed in the present specification, the tip of the notch is arranged on the second suture line.

Further, the trim cover disclosed in the present specification is spaced between the tip of the notch and the first suture line.

Further, in the trim cover disclosed in the present specification, the hanging portion is formed in the seam allowance of the first skin material, and the notch is provided at least in the seam allowance of the first skin material. ing.

Further, the vehicle seat disclosed in the present specification includes the trim cover and the cushion pad covered by the trim cover, and the hanging portion of the trim cover is suspended from the cushion pad. ing.

1 Seat 2 Seat cushion 3 Seat back 4 Headrest 5 Trim cover 6 Cushion pad 7 Hanging groove 8 Wire 11 1st skin material 12 2nd skin material 13 3rd skin material 14 Hanging part 15 Hog ring 20 1st skin material and 1st 2 Seam allowance with the skin material 21 Seam allowance of the first skin material 22 Seam allowance of the second skin material 23 Seam allowance between the first skin material and the second skin material and the third skin material 24 Protruding part 25 Through hole 30 Hanging bag 31 Wire 32 Hook D1 Section D2 Section L1 First stitch line L2 Second stitch line

Claims (6)

A trim cover that covers the cushion pad of the vehicle seat.
1st skin material and
The second skin material sewn with the first skin material and
The first epidermis material and the third epidermis sewn with the second epidermis material along the second suture line intersecting the first suture line in which the first epidermis material and the second epidermis material are sewn together. Wood and
A hanging portion provided at the suture portion between the first skin material and the second skin material and suspended from the cushion pad, and a hanging portion.
With
The end of the seam allowance of the first skin material and the end of the seam allowance of the second skin material formed on the suture portion are sewn together with the third skin material along the second suture line.
The seam allowance of the first skin material and the seam allowance of at least one of the seam allowances of the second skin material formed in the suture portion, the end of the second suture line and the hanging portion on the second suture line side. A trim cover provided with a notch extending from the edge of the seam allowance toward the first suture line in the section between the seam allowance and the seam allowance. The trim cover according to claim 1.
The tip of the notch is a trim cover arranged at the center of the section in the length direction. The trim cover according to claim 1.
The tip of the notch is a trim cover arranged on the second suture line. The trim cover according to any one of claims 1 to 3.
A trim cover that is spaced between the tip of the notch and the first suture line. The trim cover according to any one of claims 1 to 4.
The hanging portion is formed in the seam allowance of the first skin material.
The notch is a trim cover provided at least in the seam allowance of the first skin material. The trim cover according to any one of claims 1 to 5 and the trim cover.
The cushion pad covered by the trim cover and
With
A vehicle seat in which the hanging portion of the trim cover is suspended from the cushion pad.

Images