JP2017081298A - Vehicle seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle seat in which the skin can be easily removed. A vehicle seat includes a connecting structure that connects a substrate and a skin. The epidermis comprises a first epidermis and a second epidermis that connects the first epidermis and the connecting structure and is formed of a soft material. The connection structure includes a protrusion 16 provided on the second epidermis and a hole 17 provided on the substrate. The protrusion member includes a shaft portion 16aa extending toward the substrate, a head portion 16ab provided at the tip of the shaft portion, and a knob portion 16b extending from the end portion of the second skin, and the protrusion member and the hole are fitted to each other. Will be done. [Selection diagram] Fig. 3

Description

  The present disclosure relates to a vehicle seat and can be applied to a vehicle seat whose cover is replaceable, for example.

The vehicle seat includes a seat cushion, which is a part on which a person puts a buttock, and a seat back on which a person deposits his back. Each of the seat cushion and the seat back includes a frame, a pad indicated by the frame, and a skin (trim cover) covering the pad. The epidermis covers the surface of the pad, and the end portion of the epidermis is fixed to the frame via an attachment member.
For example, in Japanese Utility Model Laid-Open No. 2-132500 (Patent Document 1), a clip and a claw of a resin plate fixed to a terminal of a seat cover are formed, a hole engaged with the clip and a hole engaged with the claw. It is disclosed that the seat cover is fixed to the frame by opening each of the above in the frame.

Japanese Utility Model Publication No. 2-132500

The resin clip as in Patent Document 1 has a cross-sectional shape that is bent back so as to fit firmly, and if it is once tightened and then removed, the counterpart part or the resin clip itself may be damaged. There is. When removing, it takes time because of the need for force adjustment and dedicated tools.
An object of the present disclosure is to provide a vehicle seat in which the skin can be easily removed.
Other problems and novel features will become apparent from the description of the specification and the accompanying drawings.

An outline of typical ones of the present disclosure will be briefly described as follows.
That is, the vehicle seat includes a connection structure that connects the base body and the skin. The epidermis includes a first epidermis and a second epidermis that connects the first epidermis and the connection structure and is formed of a soft material. The connection structure includes a protruding member provided on the second skin and a hole provided on the base. The protruding member includes a shaft portion extending in the direction of the base, a head portion provided at the tip of the shaft portion, and a knob portion extending from the end portion of the second skin. The protruding member and the hole are fitted.

  According to the vehicle seat, the skin can be easily removed.

The perspective view of the vehicle seat which concerns on an Example. The disassembled perspective view which shows the state which looked at the state which removed the skin in the vehicle seat of FIG. 1 from the back side The figure for demonstrating the connection structure which concerns on an Example The top view which looked at the projection member of Drawing 3 from the B direction The perspective view for demonstrating the connection structure which concerns on a comparative example Sectional drawing which shows a part of vehicle seat which concerns on the modification 1. The perspective view which shows the seat back part of the vehicle seat which concerns on the modification 2. FIG. The perspective view which shows a part of seat cushion of the vehicle seat which concerns on the modification 2. FIG. The figure for demonstrating the connection structure which concerns on the modification 2. The figure for demonstrating the connection structure which concerns on the modification 2. The figure for demonstrating the connection structure which concerns on the modification 2.

  Hereinafter, examples and modifications will be described with reference to the drawings. However, in the following description, the same components may be denoted by the same reference numerals and repeated description may be omitted. In order to clarify the description, the drawings may be schematically represented with respect to the width, thickness, shape, etc. of each part as compared to the actual embodiment, but are merely examples, and the interpretation of the present invention is not limited to them. It is not limited.

FIG. 1 is a perspective view of a vehicle seat according to the embodiment.
The vehicle seat 1 includes a seat cushion 2 that is a part on which a seated person puts a buttocks, and a seat back 3 on which the seated person deposits the back.

  The seat cushion 2 includes a frame 4 having a skeleton structure, a pad 5 a fixed to the frame 4, a skin 6 covering the pad 5 a, a side cover 7 covering the side surface of the frame 4, and a frame covering a lower portion of the frame 4. A cover 8. The frame 4 is formed of a highly rigid material such as a steel material or a hard synthetic resin. The pad 5a is a member that imparts cushioning properties to the seated person, and is formed of, for example, foaming resin and urethane.

  The epidermis 6 is formed by a first epidermis 6a and a second epidermis 6b. The first skin 6a has a shape including at least a portion with which the buttocks contact when a seated person is seated, and is formed to have substantially the same shape as the upper surface of the pad 5a. The second skin 6b is formed with a side portion that covers at least the front side portion and the left and right side portions of the pad 5a, a joint portion that is sewn together with the first skin 6a, a projection member that will be described later, and a front side portion and And a connection part that is bent inward from the left-right part.

  The terminal of the first skin 6a and the connection portion of the second skin 6b are connected by being sewn together with a sewing thread at a seam 6c that is a joint portion. The seam 6c is sewn so as to be inside the first and second skins so that it does not appear on the outside aesthetically.

  The first skin 6a is formed of leather, leather, synthetic leather, cloth, an equivalent thereof, or a member that combines them. The second skin 6b is formed of a soft material such as an elastomer, a soft resin, a formed non-woven fabric, an equivalent thereof, or a material combining them. The elastomer is a rubber-like and elastic industrial material, and for example, an olefin-based thermoplastic elastomer is used. The side cover 7 and the frame cover 8 are formed by a resin molding process using a synthetic resin as a material.

  The seat back 3 includes a pipe frame 11 having a skeleton structure, a back board 12 supported by the pipe frame 11, pads 5b fixed to the back board 12, and a skin 13 covering the pads 5b. The pipe frame 11 is swingably connected to the frame 4 on the seat cushion 2 side by a reclining mechanism (not shown). The pipe frame 11 is made of steel. The backboard 12 is formed of a hard synthetic resin. The pad 5b is a member that imparts cushioning properties to the seated person, and is formed of, for example, foaming resin and urethane.

  The epidermis 13 is formed by a first epidermis 13a and a second epidermis 13b. The terminal portion of the first skin 13a and the connection portion of the second skin 13b are connected by stitching with a sewing thread at a seam 13c that is a joint portion. The seam 13c is sewn so as to be inside the first and second epidermis so as not to appear on the outer side in appearance.

  The first skin 13a is formed of leather, leather, synthetic leather, cloth, an equivalent thereof, or a member combining them. The second skin 13b is formed of a soft material such as an elastomer, a soft resin, a formed nonwoven fabric, an equivalent thereof, or a material combining them. Thereby, the 1st skin 13a and the 2nd skin 13b can be stitched together with a sewing machine etc.

  2 is an exploded perspective view showing a state where the skin is removed from the vehicle seat of FIG. 1 as seen from the back side. FIG. 3 is a diagram for explaining the connection structure according to the embodiment. FIG. 4 is a plan view seen from the direction B of FIG.

  The surface of the second skin 13b opposite to the seam 13 is folded back inward with a predetermined width (W). A plurality of protruding members 16 are provided on the folded portion 13ba. The projecting member 16 is formed integrally with the second skin 13b at the same time by the same material when the second skin 13b is manufactured by molding.

  As shown in FIG. 3, the protruding member 16 includes an insertion portion 16 a that protrudes toward the inner side (backboard 12 side) of the second skin 13 b and an end portion of the folded portion 13 ba of the second skin 13 b. And a protruding knob portion 16b. The insertion portion 16a includes a shaft portion 16aa and a large-diameter and conical head portion 16ab as a large-diameter portion formed at the tip thereof. The large-diameter portion means that it is larger than the diameter of the shaft portion 16aa.

  As shown in FIG. 3, a plurality of holes 17 are provided in the peripheral edge of the back surface of the backboard 12. For example, six holes are provided in the upper portion of the backboard 12, and eight holes are provided on the left and right sides. The interval between the holes 17 is the same as the interval between the plurality of protruding members 16 provided in the second skin 13b. As shown in FIG. 3, the diameter of the hole 17 is smaller than the diameter of the head 16 ab of the protruding member 16. Further, the diameter of the hole 17 is set to a size that allows the head 16ab to pass through the hole 17 while being elastically deformed when the head 16ab of the protruding member 16 is pushed into the hole 17 with a predetermined pressing force. Is done. The hole 17 has, for example, a circular shape in plan view.

  The surface 13 of the integrated structure of the backboard 12 and the pad 5b is covered with the skin 13, and the head 16ab of the protruding member 16 of the second skin 13b is inserted into the hole 17 of the backboard 12 with a predetermined pressing force. Thereby, each projection member 16 and each hole 17 are engaged, that is, fitted. By this engagement, the skin 13 is attached in close contact with the surface of the integrated structure of the backboard 12 and the pad 5b, and the vehicle seat 1 is completed. In the present embodiment, a connection structure for connecting the backboard 12 as the base and the second skin 13b is provided on the protruding member 16 provided on the second skin 13b and the backboard 12 as the base. Formed by the formed holes 17.

  The head portion 16ab of the protruding member 16 is pushed into the hole 17 provided in the peripheral edge portion of the backboard 12. Since the diameter of the head portion 16ab is larger than the diameter of the hole 17, the pressed head portion 16ab is not easily removed from the hole 17.

  At the time of removal, the head 16ab can be pulled out from the hole 17 and removed by pulling the knob 16b in the external direction (the direction opposite to the backboard 12).

  FIG. 5 is a perspective view for explaining the shape of the protruding member of the vehicle seat according to the comparative example. The vehicle seat 1R according to the comparative example is different from the first embodiment except that the shape of the head of the protruding member of the vehicle seat 1 according to the first embodiment and the second skin does not include a knob. It is the same.

  The protrusion member 16R according to the comparative example includes a shaft portion 16Ra protruding toward the inside of the second skin 13Rb, and a large-diameter and spherical head portion 16Rb as a large-diameter portion formed at the tip of the shaft portion 16Ra. Have. The diameter of the hole 17R of the backboard 12R is smaller than the diameter of the head 16Rb of the protruding member 16R provided in the second skin 13Rb. Further, the diameter of the hole 17R is set to a size that allows the head 16Rb to pass through the hole 17R while being elastically deformed when the head 16Rb of the protruding member 16R is pushed into the hole 17R with a predetermined pressing force. Is done.

  The surface of the integrated structure of the backboard 12R and the pad 5b is covered with the skin 13R, and the head 16Rb of the protruding member 16R of the second skin 13R is inserted into each hole 17R of the backboard 12R with a predetermined pressing force. By doing so, each projection member 16R and each hole 17R are engaged, that is, fitted. The head portion 16Rb of the protruding member 16R is pushed into the hole 17R provided in the peripheral portion of the backboard 12R. Since the diameter of the head portion 16Rb is larger than the diameter of the hole 17R, the pushed head portion 16Rb is not easily removed from the hole 17R.

  According to the embodiment, the base-side hole and the protruding member fitting structure made of a soft material such as an elastomer are used, and the single-handed knob portion located in the immediate vicinity of the protruding member can be easily attached and detached with one hand. Enable operation. Since it has a knob part in the immediate vicinity of the projection member for fitting, it becomes a mark of a fitting part. Since the thumb belly when the knob is picked is located immediately behind the mating projection member, it is easy to find the fitting hole when the knob is picked. The protrusion can be pushed in. It can be attached and detached more easily than the comparative example. Thereby, damage to the insertion part or backboard at the time of removal can be prevented. Since no tools or a large operating force are required, it is possible to attach and detach instantly. This makes it possible to change the epidermis.

  In FIG. 1, the seat cushion 2 has a skin terminal fixing structure similar to the skin terminal fixing structure (connection structure) described above. That is, a plurality of projection members similar to the projection member 16 shown in FIG. 4 are provided on the inner surface of the second skin 6b forming the skin 6. On the other hand, a hole similar to the hole 17 shown in FIG. 3 is provided in the upper peripheral portion of the side cover 7 of FIG. And the 2nd skin 6b and the side cover 7 are connected by inserting the protrusion member by the side of the 2nd skin 6b in the hole by the side cover 7 as a base material.

<Modification 1>
FIG. 6 is a cross-sectional view showing a part of the vehicle seat according to the first modification. FIG. 6 shows a part of the seat back 23 constituting the vehicle seat 1A according to the first modification. This portion corresponds to the planar cross-sectional structure of the portion according to the line AA in FIG.

  A seat back 23 according to Modification 1 includes a pipe frame 31 that is a skeleton structure, a backboard 32 supported by the pipe frame 31, a pad 25b that is fixed to the backboard 32, and a skin 33 that covers the pad 25b, It has. The pipe frame 31, the back board 32, and the pad 25b are formed of the same members as in the embodiment.

  The epidermis 33 is formed by a first epidermis 33a and a second epidermis 33b. The first skin 33a and the second skin 33b are connected by being sewn together with a sewing thread at a seam 33c which is a joint portion. The second skin 33b does not have a clear folded portion having a predetermined width W in the embodiment shown in FIG.

  The first skin 33a and the second skin 33b are formed by the same members as the first skin 13a and the second skin 13b of the embodiment, respectively. The shape from the side surface of the pad 25b to the back board 32 is a smooth curved shape. The second skin 33b is formed in a curved shape that follows the surface of the side of the pad 25b and the back board 32 having such a curved shape.

  6 is the same as the connection structure of the embodiment of FIG. That is, a circular hole 17 is provided on the side portion of the backboard 32. Further, the protruding member 16 is provided on the peripheral edge portion of the second skin 33b. The protruding member 16 has an insertion portion 16a that protrudes toward the inner side (backboard 12 side) of the second skin 13b, and a knob portion 16b. The insertion portion 16a includes a shaft portion 16a and a large-diameter and conical head portion 16b as a large-diameter portion formed at the tip thereof. Further, the knob 16b extends from the end portion of the turn-up portion 13ba closest to the protruding member 16ab.

  In the present modification, the protruding member 16 is not provided in the folded portion where the width of the second skin 13b is W as in the embodiment shown in FIG. 3, but is provided in the smooth curved shape portion of the second skin 33b. . And the insertion part 16a is engaged with the side part of the backboard 32 from the side.

<Modification 2>
FIG. 7 is a perspective view showing a part of the seat back of the vehicle seat according to the second modification. FIG. 8 is a perspective view showing a part of the seat cushion of the vehicle seat according to the second modification.

  The vehicle seat 1 </ b> B includes a seat cushion 42, which is a part on which a seated person puts the buttocks, and a seat back 43 on which the seated person deposits his back.

  The seat back 43 includes a back board 52, a pad (not shown) fixed to the back board 52, and a skin (not shown) covering the pad. The back board 52 is formed of a hard synthetic resin. The epidermis is formed by a first epidermis (not shown) and a second epidermis 53b. The first skin and the second skin 53b are connected by being sewn together with a sewing thread at a seam (not shown) that is a joint portion. The first epidermis and the second epidermis 53b are formed by the same members as the first epidermis 13a and the second epidermis 13b of the embodiment, respectively.

The seat cushion 42 includes a cushion frame 44, a pad (not shown) fixed to the cushion frame 44, and a skin (not shown) that covers the pad. The epidermis is formed by a first epidermis (not shown) and a second epidermis 46b. The first skin and the second skin 46b are connected to each other by stitching them together with a sewing thread at a seam (not shown) that is a joint portion. The first epidermis and the second epidermis 46b are respectively formed by the same members as the first epidermis 6a and the second epidermis 6b of the embodiment.

9 to 11 are diagrams for explaining a connection structure according to the second modification.
The connection structure of the seat back 43 of the modification 2 is the same as the connection structure of the embodiment of FIG. That is, a hole 57 is provided in the backboard 52. The hole 57 has, for example, a circular shape in plan view. In addition, on the surface of the second skin 53b opposite to the seam, a first folded portion 53ba that is folded inward with a predetermined width is provided. And the two protrusion members 56 are provided in the 1st folding | turning part 53ba. The projecting member 56 is formed integrally with the second skin 53b at the same time by the same material when the second skin 53b is manufactured by molding.

  The protruding member 56 has an insertion portion 56a and a knob portion 56b that protrude toward the inside of the second skin 53b. The insertion part 56a has a shaft part 56aa and a conical head part 56ab formed at the tip thereof. The knob portion 56b protrudes from the end portion of the first folded portion 53ba that is closest to the insertion portion 56a. The second skin 53b has two protruding members 56 at positions corresponding to the upper portion of the backboard 52, and a second folded portion 53ba corresponding to the left and right side portions of the backboard 52 is further folded inside. Fold-back portion 53bb is provided.

  The second folded portion 53bb is engaged with the side portion of the backboard 52, and the head portion 56ab of the protruding member 56 is pushed into the hole 57 provided in the upper peripheral portion of the backboard 52, so that the second skin 53b is Connect to the backboard 52. Since the number of the protruding members 56 is smaller than that in the embodiment, the attachment of the skin 53 is easier than in the embodiment. At the time of removal, the head portion 56ab can be pulled out from the hole 57 and removed by pulling the knob portion 56b in the external direction (the direction opposite to the backboard 52). Since the number of the protruding members 56 is smaller than that in the embodiment, the removal of the skin 53 is easier than in the embodiment.

  The connection structure of the seat cushion 42 of Modification 2 is the same as the connection structure of the seat back 43. That is, a hole similar to the hole 57 is provided in the cushion frame 44. Moreover, the 1st folding | turning part similar to 1st folding | turning part 53ba is provided in the surface on the opposite side to a stitch among 2nd skin 46b. The first folded portion is provided with two protruding members similar to the protruding member 56. The second skin 46b has two projecting members at positions corresponding to the front portion of the cushion frame 44, and the second skin 46b has a second portion similar to the second folded portion 53bb at the portion corresponding to the left and right side portions of the cushion frame 44. A folding part is provided.

  The second folded portion is engaged with the side portion of the cushion frame 44, the head of the protruding member is pushed into the hole provided in the peripheral edge portion of the front portion of the cushion frame 44, and the second skin 46b is attached to the cushion frame 44. Connect with. At the time of removal, if the knob portion 49b is pulled outward (in the direction opposite to the seat cushion frame 44), the head of the protruding member can be removed from the hole and removed.

  As mentioned above, the invention made by the present inventor has been specifically described based on the embodiments and the modified examples. However, the present invention is not limited to the above-described embodiments and modified examples, and various modifications can be made. Not too long.

  For example, in the embodiment, the base body to which the skin 13 is attached is formed by the backboard 12 supported by the pipe frame 11. However, instead of this, the pipe frame 11 itself can be used as a base. Further, the base body can be constituted by a backboard that functions as a frame having a skeleton structure without being supported by the pipe frame 11.

  In the first modification, the base to which the skin 33 is attached is formed by the backboard 32 supported by the pipe frame 31. However, it is also possible to configure the base body by a backboard that functions as a frame having a skeleton structure without being supported by the pipe frame 31.

  Further, in the embodiment, the skin of the seat back and the skin of the seat cushion are separate members, but they may be formed as one body. In this case, the first epidermis 6a and 13a are formed integrally or stitched together so that the second epidermis 6b and the second epidermis 13b are separated from each other. This is preferable for improving the assembly property.

DESCRIPTION OF SYMBOLS 1 ... Vehicle seat 2 ... Seat cushion 3 ... Seat back 4 ... Frame 5a, 5b ... Pad 6 ... Skin 6a ... 1st skin 6b ... 2nd Skin 6c ... seam 7 ... side cover 8 ... frame cover 11 ... pipe frame 12 ... backboard 13 ... skin 13a ... first skin 13b ... second Skin 16c ... seam 16 ... projection member 16a ... insertion part 16aa ... shaft part 16ab ... head part 16b ... knob part 17 ... hole

Claims (7)

The vehicle seat
The epidermis,
A substrate to which the skin is attached;
A connection structure for connecting the base body and the skin;
With
The epidermis is
A first epidermis;
Connecting the first skin and the connection structure, a second skin formed of a soft material;
With
The connection structure is
A protruding member formed integrally with the second skin;
A hole provided in the substrate;
With
The protruding member is
An insertion part extending in the base direction;
A knob portion extending from an end of the second skin,
The insertion portion includes a shaft portion extending in the base direction,
A head provided at a tip of the shaft portion;
With
The insertion part and the hole are fitted. The vehicle seat according to claim 1,
The diameter of the hole is smaller than the diameter of the head. The vehicle seat according to claim 2,
The second skin is connected to the periphery of the first skin. In the vehicle seat according to claim 3,
The periphery of the first epidermis is stitched to the periphery of the second epidermis. The vehicle seat according to claim 1,
The soft material is an elastomer, a soft resin, a molding ignorant cloth, an equivalent thereof, or a combination thereof. The vehicle seat according to claim 1,
The substrate is
Seat back frame, or
Backboard supported by the seatback frame, or
A backboard that itself functions as a frame,
It is. The vehicle seat according to claim 1,
The substrate is
Seat cushion frame, or
Seat cushion side cover,
It is.

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