JP6491968B2 - Trim cover fixing device, trim cover and vehicle seat - Google Patents

Description

  The present invention relates to a trim cover fixing tool for fixing a trim cover to a seat frame, a trim cover, and a vehicle seat.

  The vehicle seat includes a seat frame, a cushion pad supported by the seat frame, and a trim cover that covers the seat frame and the cushion pad. Then, hooks are provided at a plurality of locations on the edge of the trim cover, these hooks are locked to the hook receiving portions of the seat frame, and the trim cover is fixed to the seat frame.

  The seat frame is configured by combining a plurality of frame materials. As the frame material, for example, a metal plate is used, and an edge portion of the metal plate is used as a hook receiving portion. A vehicle seat is also known in which a part of the edge of the metal plate used as a hook receiving portion is cut out to reduce the weight of the seat frame, and a wire is stretched on the notched portion and the wire is used as the hook receiving portion. (See Patent Document 1).

  A plurality of hooks of the trim cover are provided at intervals along the edge of the trim cover, and these hooks are individually joined to the edge of the trim cover. A hook member that is notched and has a plurality of hook portions spaced apart from each other is also known. In this hook member, a long flat plate portion that connects the plurality of hook portions is formed at the edge of the trim cover. Joined (see Patent Document 2).

JP 2003-093193 A JP 2010-172469 A

  When a plurality of hooks are individually joined to the edge of the trim cover, the tension of the trim cover is weakened between the adjacent hooks, and there is a case where a strength distribution is generated in the tension of each part of the trim cover. When the strength distribution of each part of the trim cover occurs, wrinkles and looseness occur at the edge of the trim cover, and meandering occurs in the stitching line between the skin materials of the trim cover, which is formed by stitching together multiple skin materials There is a fear.

  In the hook member described in Patent Document 2, a long flat plate portion that connects a plurality of hook portions is joined to an edge portion of the trim cover. It is possible to make the tension of the trim cover uniform.

  However, in the hook member described in Patent Document 2, the cross-sectional shape of the hook portion is the same as the cross-sectional shape of the long material that is a material, and is common to all hook portions. For this reason, for example, when a hook receiving portion having a different cross-sectional shape is mixed, such as an edge of a metal plate and a wire, the hook portion is not aligned with a part of the hook receiving portion, and the fixing of the trim cover is uncertain. It becomes.

  The present invention has been made in view of the above-described circumstances, and an object of the present invention is to securely fix a trim cover to a seat frame and improve the appearance quality of the fixed trim cover.

  The fixing device for a trim cover according to one aspect of the present invention is for a trim cover that fixes a trim cover to a seat frame provided with a plurality of hook receiving portions that are arranged in a row at intervals and divided into two or more types depending on a cross-sectional shape. A fixing tool that is arranged in a row at intervals and that is divided into two or more types according to a cross-sectional shape, and that extends along a line of the plurality of hook parts to connect the plurality of hook parts and trim And a base portion joined to the edge of the cover, and the plurality of hook portions and the base portion are integrally formed.

  The trim cover according to one aspect of the present invention is a trim cover that covers a seat frame provided with a plurality of hook receiving portions that are arranged in a line at intervals and divided into two or more types according to a cross-sectional shape, A plurality of hook portions that are arranged in a row and divided into two or more depending on a cross-sectional shape, and a base portion that extends along a line of the plurality of hook portions and connects the plurality of hook portions; A fixing tool formed integrally with the base portion is provided, and the base portion of the fixing tool is joined to an edge portion of the trim cover.

  The vehicle seat of one embodiment of the present invention includes a seat frame provided with a plurality of hook receiving portions that are arranged in a line at intervals and divided into two or more types according to a cross-sectional shape, and a trim cover that covers the seat frame The trim cover is arranged in a row at intervals similar to the plurality of hook receiving portions, and a plurality of hook portions that are divided into two or more depending on the cross-sectional shape like the plurality of hook receiving portions, and A fixing part that extends along a line of a plurality of hook parts, connects the plurality of hook parts, and is joined to an edge of the trim cover, and the hook part and the base part are integrally molded. The plurality of hook portions are respectively engaged with the plurality of hook receiving portions, and the trim cover is fixed to the seat frame.

  According to the present invention, the trim cover can be securely fixed to the seat frame, and the appearance quality of the fixed trim cover can be improved.

It is a perspective view of an example of a vehicular seat for explaining an embodiment of the present invention. It is a perspective view of the side frame of the seat cushion of the vehicle seat of FIG. FIG. 3 is a perspective view of a trim cover fixture for locking the edge of the trim cover to the side frame of FIG. 2. FIG. 4 is a cross-sectional view of the trim cover fixture of FIG. 3 taken along the line IV-IV. FIG. 5 is a cross-sectional view taken along line VV of the trim cover fixture in FIG. 3. FIG. 4 is a perspective view showing a state in which the trim cover fixture of FIG. 3 is joined to an edge of the trim cover. It is a perspective view which shows the state by which the edge part of the trim cover was latched by the side frame via the fixing tool for trim covers of FIG. It is a perspective view of the modification of the fixing tool for trim covers of FIG.

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

  A vehicle seat 10 shown in FIG. 1 includes a seat cushion 11 that constitutes a seat portion and a seat back 12 that constitutes a backrest portion.

  The seat cushion 11 includes a seat frame 15, a cushion pad 16 supported by the seat frame 15, and a trim cover 17 that covers the cushion pad 16 and the seat frame 15. The seat frame 15 includes a pair of left and right side frames 13 that extend in the front-rear direction of the seat and a front frame 14 that connects the front end portions of the side frames 13.

  The trim cover 17 is formed by sewing a plurality of skin materials into a bag shape, and covers the cushion pad 16 and the seat frame 15. The opening edge of the trim cover 17 that overlaps the side frame 13 is locked to the side frame 13 via a trim cover fixture 18 having a plurality of hook portions, and the opening of the trim cover 17 that overlaps the front frame 14. The edge portion is locked to the front frame 14 via a fixing tool (not shown), and the trim cover 17 is fixed to the seat frame 15.

  Similarly to the seat cushion 11, the seat back 12 also includes a seat frame, a cushion pad, and a trim cover, and the trim cover is fixed to the seat frame.

  FIG. 2 shows the configuration of the side frame 13.

  The side frame 13 includes a plate material 20 and a wire material 21. The plate member 20 and the wire rod 21 are made of a metal material such as steel.

  The plate member 20 is formed in a band plate shape, extends in the front-rear direction of the sheet, and is disposed with the plate surface directed in the sheet width direction. The plate member 20 is provided with a notch 22 along the lower edge of the plate member 20 for the purpose of weight reduction, for example. At least a part of the lower edge portion 20a of the plate member 20 divided into a plurality by the notch portion 22 is a hook receiving portion 23 that engages with the hook portion of the trim cover fixing tool 18.

  The wire 21 is fixed to the plate 20 by welding or the like, for example. The wire 21 is appropriately bent and has a horizontal part 21a arranged along the lower edge 20a of the plate member 20 within the range of the notch width of the notch 22, and the horizontal part 21a At least a portion is a hook receiving portion 24 that engages with a hook portion of the trim cover fixing tool 18.

  The cross-section of the wire 21 is formed in a substantially circular shape in the illustrated example, and is different from the substantially rectangular cross-sectional shape of the lower edge 20a of the plate 20. Therefore, the side frame 13 includes a hook receiving portion (hereinafter referred to as a first type hook receiving portion) 23 configured by a lower edge portion 20 a of the plate member 20 and a horizontal portion 21 a of the wire 21. The configured hook receiving portion (hereinafter referred to as a second type hook receiving portion) 24 having a substantially circular cross section is mixed, and the first type hook receiving portion 23 and the second type hook receiving portion 24 are arranged in a row at intervals. It is provided side by side.

  In the illustrated example, the plate member 20 is provided with two notches 22, and any of the three lower edge portions 20 a of the plate member 20 divided by these notches 22 is a hook receiving portion 23. In addition, a horizontal portion 21a of the wire 21 is provided for each notch portion 22, and each of the horizontal portions 21a is a hook receiving portion 24, and the three first-type hook receiving portions 23 and two first types of hook receiving portions 23 are provided. Although the two types of hook receiving portions 24 are alternately arranged, the number and arrangement order of the first type hook receiving portions 23 and the second type hook receiving portions 24 are not limited to the illustrated example.

  3 to 5 show the configuration of the trim cover fixing tool 18.

  The trim cover fixing tool 18 includes a first type hook portion 30 that is locked to the first type hook receiving portion 23 of the side frame 13 and a second type hook that is locked to the second type hook receiving portion 24 of the side frame 13. And a seed hook portion 31. The first type hook portion 30 and the second type hook portion 31 are spaced apart so as to match the number and arrangement order of the first type hook receiving portion 23 and the second type hook receiving portion 24 in the side frame 13. They are arranged in a line.

  The first type hook portion 30 is provided with a slot 30a into which the first type hook receiving portion 23 is inserted, and the slot 30a is formed in the first type hook receiving portion 23 having a substantially rectangular cross section as shown in FIG. The corresponding cross-section is formed in a substantially rectangular shape.

  The second type hook portion 31 is provided with a slot 31a into which the second type hook receiving portion 24 is inserted. The slot 31a is formed in the second type hook receiving portion 24 having a substantially circular cross section as shown in FIG. Corresponding cross section is formed in a substantially circular shape.

  The trim cover fixture 18 further includes a base portion 32 that connects the first type hook portion 30 and the second type hook portion 31. The base portion 32 is formed in a plate shape extending along the first type hook portion 30 and the second type hook portion 31, and the first type hook portion 30 and the second type hook portion 31 are in the longitudinal direction of the base portion 32. Are formed integrally with the base 32 so as to protrude from one side edge extending to the base 32.

  In the above configuration, the base portion 32 is flexible in the plate thickness direction between adjacent hook portions, and the trim cover fixture 18 is configured to be able to bend along the side frame 13.

  The trim cover fixture 18 is formed by mold molding such as injection molding or cast molding using, for example, a synthetic resin material. The trim cover fixing tool 18 can also be formed by plastic working such as punching or pressing on a metal plate.

  6 shows a state in which the trim cover fixing member 18 is joined to the opening edge portion of the trim cover 17, and FIG. 7 shows the opening edge portion of the trim cover 17 engaged with the side frame 13 through the trim cover fixing member 18. Indicates a stopped state.

  The base 32 of the trim cover fixture 18 is sewn or bonded to the opening edge of the trim cover 17, and the trim cover fixture 18 is joined to the opening edge of the trim cover 17. The first type hook portion 30 of the trim cover fixture 18 is locked to the first type hook receiving portion 23 of the side frame 13, and the second type hook portion 31 is locked to the second type hook receiving portion 24. Then, the opening edge of the trim cover 17 is locked to the side frame 13 via the trim cover fixing tool 18.

  The first type hook part 30 and the first type hook receiving part 23 are both formed in a substantially circular cross section and are aligned with each other. The second type hook part 31 and the second type hook receiving part 24 are both The cross sections are formed in a substantially rectangular shape and are aligned with each other. Thereby, even if multiple types of hook receiving portions having different cross-sectional shapes are mixed in the side frame 13, the trim cover 17 can be stably fixed to the side frame 13.

  The first type hook portion 30 and the second type hook portion 31 are spaced from each other between adjacent hook portions, but the opening edge portion of the trim cover 17 is formed by the hook portions 30 and 31. Therefore, the tension of the trim cover 17 between the hook portions 30 and 31 and the tension of the trim cover 17 between the adjacent hook portions are equalized. Thereby, the wrinkles and looseness of the opening edge part of the trim cover 17, and the meandering of the stitching line of the skin material which comprises the trim cover 17 can be suppressed, and the external appearance quality of the fixed trim cover 17 can be improved. .

  The trim cover fixing tool 18 shown in FIG. 3 is for locking the opening edge portion of the trim cover 17 that overlaps the side frame 13 to the side frame 13, and is attached to the front frame 14 and the front frame 14. The fixture for locking the opening edge of the overlapping trim cover 17 to the front frame 14 can also be configured in the same manner as the side frame 13 and the trim cover fixture 18.

  The trim cover fixing tool 118 shown in FIG. 8 extends the length of the trim cover fixing tool 18 that is configured to be bendable over the entire length of the opening edge of the trim cover 17, and the left and right side frames 13 and the front frame. 14, the base portion 32 is curved along the corner of the trim cover 17 that overlaps the joint portion with the base plate 14.

  If the base 32 curved along the corner of the trim cover 17 is joined to the opening edge of the trim cover 17, and the trim cover 17 is fixed to the seat frame 15 by a single trim cover fixture 118, the trim cover 17 Since the entire opening edge portion of the trim cover 17 is pulled uniformly by the base portion 32, the appearance quality of the trim cover 17 fixed to the seat frame 15 can be further enhanced.

  In the above description, the two types of hook receiving portions 23 and 24 having different cross-sectional shapes are provided on the side frame 13 and the front frame 14, and the two types of hook portions 30 and 31 having different cross-sectional shapes are the trim cover fixture 18, In the case where there are a plurality of types of thicknesses of the plate material 20 and the diameters of the wire materials 21 constituting the side frame 13 and the front frame 14, there are three or more types of hook receiving portions and hook portions. Also good.

DESCRIPTION OF SYMBOLS 10 Vehicle seat 11 Seat cushion 12 Seat back 13 Side frame 14 Front frame 15 Seat frame 16 Cushion pad 17 Trim cover 18 Trim cover fixture 23 Hook receiving part 24 Hook receiving part 30 Hook part 31 Hook part 32 Base

Claims (6)

A trim cover fixture for fixing a trim cover to a seat frame provided with a plurality of hook receiving portions arranged in a line at intervals and divided into two or more types according to a cross-sectional shape,
A plurality of hook portions arranged in a line at intervals and divided into two or more types depending on the cross-sectional shape;
A base portion extending along a line of the plurality of hook portions to connect the plurality of hook portions and joined to an edge of the trim cover;
With
A trim cover fixing tool in which the plurality of hook portions and the base portion are integrally formed. The trim cover fixture according to claim 1,
The base portion is plate-shaped, and the plurality of hook portions are provided to protrude from side edges extending in the longitudinal direction of the base portion, respectively.
A fixing member for a trim cover, wherein the base is bendable. A trim cover that covers a seat frame provided with a plurality of hook receiving portions arranged in a line at intervals and divided into two or more types according to a cross-sectional shape,
A plurality of hook portions arranged in a line at intervals and divided into two or more types according to a cross-sectional shape, and a base portion extending along a line of the plurality of hook portions and connecting the plurality of hook portions, A fixing member formed integrally with the base and the base,
A trim cover in which the base of the fixture is joined to an edge of the trim cover. The trim cover according to claim 3,
The base portion of the fixture is plate-shaped, and the plurality of hook portions are provided to project from side edges extending in the longitudinal direction of the base portion,
A trim cover in which the base of the fixture is bendable. The trim cover according to claim 4,
A trim cover including a curved corner at the edge of the trim cover to which the base of the fixture is joined. A seat frame provided with a plurality of hook receiving portions arranged in a row at intervals and divided into two or more types according to the cross-sectional shape;
A trim cover covering the seat frame;
With
The trim cover is arranged in a row at intervals similar to the plurality of hook receiving portions, and a plurality of hook portions that are divided into two or more types according to the cross-sectional shape similar to the plurality of hook receiving portions, and the plurality of hook portions. And a base part joined to the edge of the trim cover, the hook part and the base part being integrally molded, and having a fixture formed integrally. ,
A vehicle seat in which the plurality of hook portions are respectively engaged with the plurality of hook receiving portions, and the trim cover is fixed to the seat frame.

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