JP6674767B2 - Vehicle seat cover - Google Patents

Description

  BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat cover mounted on an entire skin seat covering a vehicle seat such as an automobile car seat.

  2. Description of the Related Art In a vehicle seat such as a car seat of an automobile, a seat cover is mounted to protect the seat from dirt and damage. In addition, by installing seat covers of various designs, it becomes possible to provide a seat with a design that suits the user's preference.

  The shape and material of vehicle seats have been improved to have a complex shape and elasticity from the viewpoint of ergonomics such as body shape in consideration of the ride comfort of the user. The fitted seat covers have also been improved.

  For example, in order to make the seat cover adhere closely to the shape of the seat, a hook-shaped metal fitting is attached to the back side of the seat cover, and the metal fitting is directly inserted into a recess or groove formed on the surface of the seat and fixed. , So as to adhere to the shape of the depression or groove. In addition, engaging members such as hook-and-loop fasteners are attached to the surface of the seat and the back of the seat cover, and the engaging members are engaged when the seat cover is attached, so that the seat cover is engaged with the surface of the seat and closely attached. Let it be done.

  Further, in Patent Literature 1, in a recover sheet obtained by sewing a plurality of fabrics cut three-dimensionally in accordance with the shape of a vehicle seat, a shape restoring member is attached along a seam line to fit the recess of the vehicle seat. A recover sheet is described.

JP 2011-206295 A

  The method of fixing the seat cover using the hook-shaped metal fittings may improve the adhesion of the cover, but may damage the skin sheet on the seat side with the metal fittings, and also use the engaging member such as a hook-and-loop fastener. In the method of attaching the cover, the hook-and-loop fastener portion may be protruded in a convex shape, thereby damaging the seat design or damaging the skin sheet.

  In Patent Literature 1, the recovering sheet is attached along a complicated shape such as a depression of a seat by attaching a shape restoring member along a suture line. Since the sheet material is sewn and fixed, the sheet material may be wrinkled due to expansion and contraction of the sheet material. Therefore, when the seat is repeatedly deformed, there is a problem that wrinkles are formed around the sheet shape restoring member as the material of the recovering sheet expands and contracts, and the appearance of the seat is impaired.

  Therefore, an object of the present invention is to provide a seat cover that can be closely attached to a seat surface while following the shape and deformation of the seat and that can be easily attached.

The seat cover according to the present invention is a seat cover in which a plurality of seat pieces are connected by stitching, and a band-shaped portion formed by overlapping and stitching a seam allowance of the sheet pieces is protruded on the inside. At least a part of the band-shaped portion is provided with a ridge on one side of the band-shaped portion so as to abut along a suture line of the band-shaped portion. It is attached so that it can move in the direction perpendicular to the longitudinal direction with respect to the , the band-shaped portion falls down to the other side opposite to the ridge portion when the seat is mounted so as to be in close contact with the seat. Is set . Further, the ridge portion includes a flexible rod-shaped body, and a support sheet body attached to the band-shaped portion so as to surround the rod-shaped body and slidably support the rod-shaped body in a longitudinal direction. ing. Further, the support sheet body is attached by attaching a mounting portion obtained by folding a band-shaped sheet piece having a predetermined width and overlapping both side ends thereof in parallel with a sewing line of the band-shaped portion.

  According to the present invention having the above-described configuration, the seat can follow and closely adhere to the shape and deformation of the seat, and can be easily attached.

1 is an external perspective view of a vehicle seat equipped with a seat cover according to an embodiment of the present invention. It is AA sectional drawing of FIG. It is a partially expanded perspective view regarding a belt-shaped part. It is explanatory drawing which shows the process of attaching a protrusion to a belt-shaped part.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The embodiment described below is a preferred specific example for practicing the present invention, and thus various technical limitations are made. However, the present invention is particularly limited in the following description. It is not limited to these forms unless otherwise specified.

  FIG. 1 is an external perspective view of a vehicle seat equipped with a seat cover according to an embodiment of the present invention. The vehicle seat 1 is configured by connecting a back portion 2 and a seat portion 3 by a reclining mechanism (not shown). When seating on the vehicle seat 1, the user sits down on the seat surface 3 and leans on the back on the back 2 to adjust the angle of the back 2 by the reclining mechanism according to the occupant's body shape and the like. It is supposed to. A headrest 4 is attached to the upper part of the back part 2 so as to be adjustable in the vertical direction, so that the position can be adjusted according to the position of the head of the occupant.

  The back part 2 is configured such that a cushion material is attached to a metal frame (not shown) and the outer surface thereof is covered with a skin sheet. The cushioning material is formed by three-dimensionally molding a synthetic resin foam, and a skin sheet made of a synthetic resin film sheet or cloth is stretched on the surface of the cushioning material by applying a predetermined tension. . The skin sheet, for example, by attaching a suspender to the required location on the back side by sewing, and fixing the suspender between the wire embedded inside the cushion material via a connecting member such as an O-ring or a C-ring, It is possible to attach the skin sheet so that the skin sheet is closely attached to the outer surface of the cushion material.

  The shape of the cushioning material is such that the central portion of the back portion 2 that abuts on the back of the occupant is formed in a shape that is recessed from both sides to improve the ride comfort, and wraps the back of the seated occupant from both left and right sides. So that it does not shift left and right. The concave central portion of the rear portion 2 is formed in a curved shape in accordance with the occupant's posture during driving, and is elastically deformed.

  The seat surface portion 3 is configured such that a cushion material is attached to a metal frame and the outer surface thereof is covered with a skin sheet, similarly to the back surface portion 2. The cushioning material is formed by three-dimensionally molding a synthetic resin foam, and a skin sheet made of a synthetic resin film sheet or cloth is stretched on the surface of the cushioning material by applying a predetermined tension. . In order to improve the riding comfort, the shape of the cushion material is formed such that the central portion of the seat surface portion 3 that contacts the buttocks and thighs of the occupant is depressed from both sides, and The thighs are wrapped from the left and right sides so that they do not shift left and right. The hollow central portion of the seat 3 is elastically deformed according to the weight of the occupant during operation.

  The back portion 2 and the seat portion 3 are formed in a curved shape having irregularities as described above and are configured to be elastically deformed, and support the occupant to operate in a reasonable posture. I have.

  The seat cover attached to the vehicle seat 1 includes a back cover 10 attached to the back portion 2 and a seat cover attached to the seat portion 3. The back cover 10 is formed by connecting a plurality of seat pieces 10a to 10d by sewing according to the shape of the back part 2, and the seat cover 20 is formed of a plurality of seat pieces 20a according to the shape of the seat part 3. To 20d are connected by sewing. As a sheet piece used for a seat cover, a sheet material such as a fabric made of a fiber material such as a woven fabric or a knitted fabric, genuine leather, synthetic leather, or a resin film can be cut into a predetermined shape and used. Also, a plurality of types of sheet materials may be combined in the sheet piece, and may be appropriately selected according to the design and use.

  At the center of the back portion 2, two sheet pieces 10a and 10b cut in accordance with the depressed shape are arranged vertically, and the lower end of the sheet piece 10a and the upper end of the sheet piece 10b are connected by sewing. Have been. A pair of sheet pieces 10c and 10d cut in accordance with a curved shape so as to bulge are disposed on the left and right sides on both sides of the back part 2, and one side end of the sheet pieces 10a and 10b and the sheet The side end of the piece 10c is connected by sewing, and the other side end of the sheet pieces 10a and 10b and the side end of the sheet piece 10d are connected by sewing. Then, by connecting the sheet pieces 10a to 10d, it is possible to form the bag-shaped rear cover 10 according to the shape of the rear portion 2.

  Two sheet pieces 20a and 20b cut in accordance with the depressed shape are arranged at the center of the seat surface portion 3 in front and rear, and the rear end of the sheet piece 20a and the front end of the sheet piece 20b are sewn. It is connected. A pair of sheet pieces 20c and 20d cut in accordance with the curved shape so as to bulge are disposed on the right and left sides of the seating surface portion 3, and one side end of the sheet pieces 20a and 20b and the sheet The side end of the piece 20c is connected by sewing, and the other side end of the sheet pieces 20a and 20b is connected by sewing to the side end of the sheet piece 20d. Then, by connecting the sheet pieces 20a to 20d, it is possible to form the bag-shaped seating surface cover 20 according to the shape of the seating surface portion 3.

  By attaching the back cover 10 formed in a bag shape so as to cover the back portion 2 from above, the back cover 10 can be attached in a state of being in close contact with the skin sheet on the outer surface of the back portion 2. On the inner side of the back cover 10, a band portion having a predetermined width in which the seam allowance of the two sewn sheet pieces is overlapped is protruded at a sewn portion connecting the sheet pieces. The sewn portions connecting the respective sheet pieces correspond to boundary portions where the shape of the back surface portion 2 changes discontinuously, and a linear groove portion is formed in the boundary portion. When the back cover 10 is attached, when the band portion of the suture portion faces and adheres to the groove portion of the boundary portion, the band portion may partially enter the groove portion, or may be on either side of the groove portion. The band-shaped portion is likely to be partially collapsed at random, so that the outer surface of the sewn portion of the back cover 10 zigzags or has irregularities. Further, when the occupant is seated and the rear portion 2 is elastically deformed, the band-shaped portion is shifted with respect to the groove and the shape of the outer surface of the suturing portion is changed, and the appearance design and sitting comfort are improved. Is a problem. In such a phenomenon, the band-like portion becomes thicker as the sheet piece of the back cover 10 becomes thicker, so that irregularities on the outer surface of the stitched portion become conspicuous, and a countermeasure is required in appearance. When the seat cover 20 formed in a bag shape is attached to the seat portion 3, the same problem as the rear cover 10 occurs.

  In order to cope with the problem caused by the random deformation of the band-shaped portion when the back cover 10 is mounted, the band-shaped portion formed by overlapping and sewing the seam allowance of the sheet piece inside the rear cover is compared with the band-shaped portion. The ridge is attached so as to be in contact with the suturing line. The ridge may be attached to a part of the plurality of strips, or may be partially attached to the strip.

  FIG. 2 is a cross-sectional view taken along line AA of FIG. 1, and FIG. 3 is a partially enlarged view of a band portion. The ridge portion 13a is arranged so as to abut along one side of the band-shaped portion 11a formed by overlapping and sewing the seam allowance between the sheet pieces 10a and 10b and the sheet piece 10d along the suturing line 12a. A ridge 13b is arranged on the other side of the band-shaped portion 11b formed by overlapping and sewing the seam allowance between the sheet pieces 10a and 10b and the sheet piece 10c.

  The ridge 13a includes a flexible rod 14a and a support sheet 15a attached to the strip 11a so as to surround the rod 14a and slidably support the rod 14a in the longitudinal direction. ing. The ridge 13b has a rod 14b and a support sheet 15b, like the ridge 13a.

  The rod 14a has a circular cross section and is made of a flexible metal or resin material. By making the cross-sectional shape circular, it becomes easy to bend and deform in any direction, and it becomes easy to follow the deformation of the back portion 2 when seated. Therefore, as long as it is possible to follow the deformation of the rear surface portion 2, the cross-sectional shape may be a shape other than a circle, for example, a regular polygon. The thickness of the rod-shaped body 14a is preferably set to an outer diameter in a range of 1 mm to 3 mm. When the outer diameter is smaller than 1 mm, the rod-shaped body 14a may fall down to the side opposite to the ridge portion of the band-shaped portion described later. When the outer diameter becomes larger than 3 mm, the shape of the rod-shaped body 14a appears on the outer surface when the back cover 10 is mounted, which is not preferable in appearance.

  Examples of the resin material used for the rod 14a include polyethylene terephthalate, nylon 66, polypropylene, polycarbonate, nylon 6, polybutylene terephthalate, polyimide, polytetrafluoroethylene, fluororesin, polyethylene, polyvinyl chloride, polystyrene, and acrylonitrile butadiene styrene. A synthetic resin having flexibility and heat resistance is preferable. Further, as the metal material, a simple substance having flexibility such as aluminum, iron, titanium, chromium molybdenum steel, a Ni-titanium alloy, and an iron-manganese-silicon alloy, and a composite material are preferable.

  The support sheet body 15a is attached by folding back a band-shaped sheet piece having a predetermined width, overlapping both side ends, and stitching the attached mounting portion 16a to the band-shaped portion 11a. The support sheet body 15a is formed in a tubular shape, and is attached to the band-shaped portion 11a so as to surround the rod-shaped body 14a inside. The rod-shaped body 14a is supported in the support sheet body 15a so as to be slidable in the longitudinal direction, and is aligned and attached so as to abut along the suturing line 12a of the band-shaped portion 11a. The suturing lines 17a for suturing the attachment portions 16a of the support sheet 15a to the band-shaped portions 11a are arranged at predetermined intervals on the end side of the seam allowance in parallel with the suturing lines 12a. Since the support sheet body 15a is attached to the band-shaped portion 11a by the suturing line 17a, the cylindrical portion surrounding the rod-shaped body 14a is movable in the direction perpendicular to the longitudinal direction with respect to the band-shaped portion 11a.

  It is preferable that the support sheet body 15a is formed using the same material as the sheet piece. By using the same material as the sheet piece, it is possible to follow the expansion and contraction deformation of the sheet piece, and it is possible to prevent wrinkles due to the expansion and contraction deformation.

  Since the ridge 13a is arranged so as to abut on one side of the strip 11a along the suturing line 12a, as shown in FIG. It is guided to fall to the other side opposite to 13a. As a result, the belt-shaped portion 11a is entirely and stably tilted to the other side, and the belt-shaped portion 11a is not partially and randomly dropped to any one side. The design can be improved without random irregularities.

  Further, since the belt-like portion 11a is in close contact with the rear portion 2 in a state where it is tilted to a predetermined side, the cylindrical portion of the ridge portion 13a comes to project, and the center portion 2b and the left portion 2d of the rear portion 2 are connected. The cylindrical portion is pushed into the groove portion 2f formed at the boundary between them. Therefore, an anchor effect of the back cover 10 with respect to the back portion 2 is generated, and the state in which the band-shaped portion 11a is arranged along the groove portion 2f can be maintained. The rear cover 10 follows. In this manner, the original close contact state can be maintained without the rear cover 10 being displaced from the rear section 2. Further, since the cylindrical portion of the ridge 13a is movable with respect to the band-shaped portion 11a, the rear cover 10 can be slightly shifted with respect to the rear portion 2, and When the rear cover 10 follows the deformation, play does not occur and wrinkles are not formed.

  Since the rod 14a is slidably supported in the support sheet 15a in the longitudinal direction, the rod 14a is displaced in the support sheet 15a in the longitudinal direction when the belt-shaped portion 11a is bent and deformed. The curved shape is followed, so that the load accompanying the deformation of the rod 14a is not applied to the strip 11a and the support sheet 15a.

  As with the ridge 13a, the ridge 13b can also be brought into a state in which the band-shaped portion 11b is tilted to one side opposite to the ridge 13b, and the center portion 2b of the back portion 2 and the right side are formed. The tubular portion is pushed into the groove portion 2e formed at the boundary between the portion 2c and the portion 2c to exert the anchor effect. In this example, a ridge is also attached to a band-shaped portion formed by overlapping and sewing the seam allowance of the sheet pieces 10a and 10b of the back cover 10, and the ridge is formed in the up-down direction and the left-right direction of the back cover 10. By attaching the rear cover 10, the rear cover 10 can be attached in a state in which the rear cover 10 is in close contact with the rear portion 2, and the state in which the entire rear cover 10 follows and adheres to the deformation of the rear portion 2 when sitting down. It can be maintained.

  On the seat cover 20, a band-shaped portion formed by overlapping and sewing the seam allowance between the sheet pieces 20a and 20b and the sheet piece 20c, and the seam allowance between the sheet pieces 20a and 20b and the sheet piece 20d are overlapped. A ridge is attached to each of the band portions formed by stitching and the band portions formed by overlapping and stitching the seam allowances of the sheet pieces 20a and 20b. Therefore, the seat cover 20 can be attached to the seat portion 3 in a state of being in close contact with the seat cover 3 in the same manner as the rear cover 10, and the seat cover 20 as a whole is resistant to deformation of the seat portion 3 when seated. It is possible to follow and maintain a close contact state.

  Drawing 4 is an explanatory view showing a process of attaching a ridge part to a belt-like part. First, the portions serving as the seam allowances at the ends of the sheet pieces 10b and 10c are overlapped and sewn to form the suturing line 12b, thereby forming the band portion 11b (FIG. 4A). Next, the support sheet 15b is folded back so as to surround the rod 14b, and both ends are overlapped, and the rod 14b is arranged so as to overlap the sewing line 12b (FIG. 4B), and both sides of the support sheet 15b are provided. The portion where the ends are overlapped is sewn together with the band-shaped portion 11b to form the suturing line 17b. A protruding ridge 13b in which the mounting portion 16b is attached to the strip portion 11b is created (FIG. 4C), and by opening the sheet pieces 10b and 10c, as shown in FIG. The ridge 13b is arranged on one side.

  As described above, the seat cover according to the present invention has the protruding ridge portion on one side of the band-shaped portion formed by overlapping the seam allowances of the seat pieces along the band-shaped portion's stitching line. By attaching, the belt-shaped portion can be set in a state where the belt-shaped portion is securely inclined to the opposite side to the ridge portion, and can be mounted in a state of being in close contact with the seat. In addition, the seat cover can follow the deformation of the seat when seated, and maintain the close contact state.

DESCRIPTION OF SYMBOLS 1 ... Vehicle seat, 2 ... Back part, 3 ... Seat part, 10 ... Back cover, 11 ... Strip part, 12 ... Suture line, 13 ... Projection part , 14: rod-shaped body, 15: support sheet body, 16: mounting part, 17: suturing line, 20: seat cover

Claims (3)

In a seat cover formed by connecting a plurality of sheet pieces by stitching and a band-shaped portion formed by overlapping and stitching the seam allowance of the sheet piece inside, at least a part of the band-shaped portion is provided. A ridge portion is disposed on one side of the band portion so as to abut along a suturing line of the band portion, and the ridge portion is orthogonal to a longitudinal direction of the band portion. A seat cover which is attached so as to be movable in the direction, and wherein the band-shaped portion is set so as to fall down to the other side opposite to the ridge portion when the seat is mounted and to be in close contact with the seat.   The ridge portion includes a flexible rod-shaped body, and a support sheet body attached to the band-shaped portion so as to surround the rod-shaped body and slidably support the rod-shaped body in a longitudinal direction. The seat cover according to claim 1.   The seat cover according to claim 2, wherein the support sheet body is attached by attaching a mounting portion obtained by folding a band-shaped sheet piece having a predetermined width and overlapping both side ends thereof in parallel with a sewing line of the band-shaped portion.

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