JP2018154290A - Vehicular seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicular seat that can relax routing restriction of a wire harness.SOLUTION: A vehicular seat 1 includes a second fixture 13A for fixing a wire harness 13 to an insert wire 7C, and which allows a person providing the vehicular seat to fix the wire harness 13 using also the insert wire 7C for fixing a skin 7B to a cushion pad 7A. Thus, a designer can acquire a vehicular seat that can relax routing restriction of the wire harness 13.SELECTED DRAWING: Figure 4

Description

  The present application relates to a vehicle seat mounted on a vehicle.

  For example, in the vehicle seat described in Patent Document 1, a wire harness is fixed to a frame disposed on the back surface of the seat pad. That is, the frame is provided with a through hole. A fixing tool for fixing the wire harness to the frame is fitted into the through hole and fixed to the frame.

JP-A-2015-223955

  In the invention described in Patent Document 1, since the wire harness is fixed to the frame, the wire harness cannot be fixed to a portion where a rigid body such as a frame does not exist. For this reason, since the location which fixes a wire harness is limited, the wiring freedom degree of a wire harness is restrict | limited. The present application discloses a vehicle seat that can relax the wiring harness wiring restrictions.

  The vehicle seat is embedded in an elastically deformable seat pad (7A), a skin (7B) covering the seat pad (7A), and the seat pad (7A), and the skin (7B) is embedded in the seat pad (7A). A fixing member (7C) for fixing, a first fixing tool (7E) for fixing the skin (7B) to the fixing member (7C), and a second fixing for fixing the wire harness (13) to the fixing member (7C) (13A).

  Thereby, the person who provides the vehicle seat (for example, the designer) fixes the wire harness (13) using the fixing member (7C) for fixing the outer skin (7B) to the seat pad (7A). It becomes possible to do.

  That is, when the designer considers the wiring of the wire harness (13), in addition to the fixing structure of the wire harness (13) using a rigid body such as a frame, the wire harness (13) also using the fixing member (7C) ) Can be one of the options. Therefore, the designer can obtain a vehicle seat that can alleviate the wiring restrictions of the wire harness (13).

The vehicle seat may have the following configuration.
The vehicle seat receives a load acting on the seat pad (7A), and includes a pressure receiving member (11) configured by a plurality of linear bodies (11A). When a virtual plane that is substantially orthogonal to the direction from the pressure receiving member (11) toward the skin (7B) is taken as a virtual plane, the wire harness (13) projected onto the virtual plane is a linear shape projected onto the virtual plane. It is desirable that it is displaced with respect to the body (11A).

  Thereby, for example, the designer can select a configuration in which at least a part of the wire harness (13) is housed in a groove provided in the seat pad (7A). And if it is the structure by which the wire harness (13) was accommodated in the said groove part, it can suppress that a wire harness (13) and another member interfere.

  In addition, when the wire harness (13) projected on the virtual plane is overlapped with the linear body (11A) projected on the virtual plane, the groove portion may be closed by the linear body (11A). There is sex. In the said state, a wire harness (13) cannot be routed in the said groove part.

  The fixing member is preferably composed of a linear wire (7C) made of metal. Furthermore, it is desirable that the first fixture (7E) and the second fixture (13A) are a common product.

  If the first fixture (7E) and the second fixture (13A) are common items, the vehicle seat assembly operator can efficiently use the seat pad (7A), the skin (7B), and the wire harness (13). It can be assembled well. As a result, it becomes possible to reduce the work man-hours of the post-process in the post-process after the assembly process.

  Incidentally, the reference numerals in the above parentheses are examples showing the correspondence with the specific configurations described in the embodiments described later, and the present invention is limited to the specific configurations indicated by the reference numerals in the parentheses. It is not something.

1 is an external view of a vehicle seat 1 according to an embodiment of the present invention. It is an exploded view of the seat cushion 3 which concerns on embodiment of this invention. It is a top view of the cushion frame 9 which concerns on embodiment of this invention. It is explanatory drawing which shows the fixation structure of the wire harness 13 in 1st Embodiment of this invention. It is explanatory drawing which shows the fixation structure of the wire harness 13 in 1st Embodiment of this invention. It is explanatory drawing which shows the fixing structure of the skin 7B in embodiment of this invention. It is a figure which shows the fixation structure of the wire harness 13 in 2nd Embodiment of this invention. It is a figure which shows the fixation structure of the wire harness 13 in 3rd Embodiment of this invention. It is a figure which shows the fixation structure of the wire harness 13 in 4th Embodiment of this invention.

  The “embodiment of the invention” described below shows an example of an embodiment belonging to the technical scope of the present invention. In other words, the invention specific items described in the claims are not limited to the specific configurations and structures shown in the following embodiments.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, the arrow etc. which show the direction attached | subjected to each figure are described in order to make it easy to understand the relationship between each figure. The present invention is not limited to the directions given in the drawings.

  At least one member or part described with at least a reference numeral is provided, except where “one” or the like is omitted. That is, when there is no notice such as “one”, two or more members may be provided.

(First embodiment)
1. Outline of Seat In this embodiment, a vehicle seat according to the present invention is applied to the vehicle seat shown in FIG. The vehicle seat 1 includes at least a seat cushion 3 and a seat back 5. The seat cushion 3 is a part for supporting a seated person's buttocks. The seat back 5 is a part for supporting the back of the seated person.

  As shown in FIG. 2, the seat cushion 3 includes a cushion portion 7 and a cushion frame 9. The cushion portion 7 includes a cushion pad 7A, a skin 7B, and the like.

  The cushion pad 7A is an example of a seat pad. The seat pad is an elastically deformable cushioning member such as urethane. The seat pad provided on the seat back 5 is referred to as a back pad.

  The skin 7B is a member that covers the surface of the cushion pad 7A. The surface of the cushion pad 7 </ b> A is a portion of the cushion pad 7 </ b> A that is visible when a seated person uses the vehicle seat 1, for example.

  For this reason, the skin 7B according to the present embodiment covers portions other than the lower surface of the cushion pad 7A, that is, the upper surface, both side surfaces in the seat width direction, both side surfaces in the seat front-rear direction, and the like. The skin 7B is configured by natural leather, synthetic leather, woven fabric, or the like.

  The cushion frame 9 is a metal member that constitutes the skeleton of the seat cushion 3. The cushion frame 9 includes a pair of side frames 9A and 9B and a pair of connecting members 9C and 9D.

  The side frames 9A and 9B are members that are disposed on both sides in the seat width direction and extend in the seat front-rear direction. The pair of connecting members 9C and 9D are members that extend in the seat width direction and connect the pair of side frames 9A and 9B.

  The connecting member 9C is a panel-like member that connects the seat front end sides of the pair of side frames 9A and 9B. The connecting member 9D is a pipe-like member that connects the seat rear end sides of the pair of side frames 9A and 9B.

  The pressure receiving member 11 is a member that receives a load acting on the cushion pad 7A. The pressure receiving member 11 is composed of a plurality of linear bodies 11A as shown in FIG. Each linear body 11 </ b> A is a so-called “S spring” having a plurality of bent portions and configured in a rectangular wave shape or a sine wave shape.

  The pressure receiving member 11 is disposed so as to bridge between the pair of connecting members 9C and 9D. That is, each linear body 11A extends in the front-rear direction of the seat and is connected and fixed to at least the connecting member 9C and the connecting member 9D.

  A wire harness 13 is routed between any of the adjacent linear bodies 11A. The wire harness 13 is an electric wire for supplying electric power and a control signal to an electric device such as an electric motor (not shown) provided on the vehicle seat 1.

  “The wire harness 13 is routed between the adjacent linear bodies 11A” means that the “wire harness 13 projected on the virtual plane is shifted with respect to the linear body 11A projected on the virtual plane. I mean. "

  The virtual plane refers to a virtual plane that is substantially orthogonal to the direction from the pressure receiving member 11 side to the skin 7B side (hereinafter also referred to as the pad thickness direction). The “pad thickness direction” according to the present embodiment substantially matches the vertical direction. For this reason, the virtual surface according to the present embodiment is coincident with the paper surface of FIG.

  Accordingly, even if the linear body 11A and the wire harness 13 are shifted in the thickness direction of the pad, “the wire harness 13 projected on the virtual surface is compared with the linear body 11A projected on the virtual surface. If the configuration is shifted, the wire harness 13 is routed between the adjacent linear bodies 11A.

2. Wire Harness Fixing Structure In this embodiment, as shown in FIGS. 4 and 5, the wire harness 13 is fixed to the seat cushion 3, that is, the cushion portion 7 by using a fixing member 7 </ b> C embedded in the cushion pad 7 </ b> A. .

  The fixing member 7C is a member for fixing the skin 7B to the cushion pad 7A. 7 C of fixing members which concern on this embodiment are comprised with the linear wire comprised with the metal. Hereinafter, the fixing member 7C is also referred to as an insert wire 7C.

  The insert wire 7C is embedded in the cushion pad 7A by an insert molding method. As shown in FIG. 6, the skin 7B is fixed to the insert wire 7C via the first fixture 7E in a state where a part thereof is drawn into the groove 7D.

  The groove 7D is a recess that is recessed from the surface of the cushion pad 7A toward the insert wire 7C. The first fixture 7E is configured by, for example, a hook member such as a C-ring or a resin fitting structure.

  As shown in FIGS. 4 and 5, the wire harness 13 is fixed to the insert wire 7 </ b> C via the second fixing tool 13 </ b> A. The second fixture 13A according to the present embodiment is configured by the same fixture as the first fixture 7E. In the present embodiment, the wire harness 13 and the second fixing tool 13A are indirectly connected via a hanging tool such as a binding band 13B.

  A portion of the cushion pad 7A where the wire harness 13 is routed is provided with a routing groove 7F (see FIG. 4). That is, at least a part of the wire harness 13 is routed in the cushion pad 7A so as to be embedded in the cushion pad 7A.

  The act of fixing the skin 7B to the insert wire 7C with the C-ring-shaped first fixture 7E is referred to as “hog ring”. That is, the wire harness 13 according to the present embodiment has a structure that is fixed to the insert wire 7C by hog ring.

The portion where the skin 7B is hogged and the portion where the wire harness 13 is hoggled are shifted in the seat width direction or the seat front-rear direction.
3. Features of Vehicle Seat According to this Embodiment The vehicle seat 1 includes a first fixture 7E that fixes the skin 7B to the insert wire 7C, and a second fixture 13A that fixes the wire harness 13 to the insert wire 7C. .

  Thereby, the person (for example, designer) who provides the vehicle seat 1 can fix the wire harness 13 using the insert wire 7C for fixing the skin 7B to the cushion pad 7A.

  That is, when the designer considers the wiring harness wiring, in addition to the fixing structure of the wire harness 13 using a rigid body such as a frame, the fixing structure of the wire harness 13 using the insert wire 7C is one of the options. Can be one. Therefore, the designer can obtain the vehicle seat 1 that can alleviate the wiring restrictions of the wire harness 13.

  The wire harness 13 projected on the virtual plane is displaced with respect to the linear body 11A projected on the virtual plane. Accordingly, the designer can provide the wiring groove 7F in the cushion pad 7A and store a part of the wire harness 13 in the wiring groove 7F.

And since a part of wire harness 13 is accommodated in the routing groove 7F, it can suppress that the wire harness 13 and other members interfere.
The first fixture 7E and the second fixture 13A are common items. Thereby, the assembly operator of the vehicle seat 1 can efficiently assemble the cushion pad 7A, the skin 7B, and the wire harness 13.

  That is, the assembling worker can also hog the wire harness 13 during the hog ring process of the skin 7B. As a result, in the post-process after the hogging process, it becomes possible to reduce the work man-hour of the post-process.

(Second Embodiment)
The cushion pad 7A according to the present embodiment is not provided with the routing groove 7F as shown in FIG. For this reason, the wire harness 13 is routed along the lower surface of the cushion pad 7A.

Note that the same constituent elements as those of the above-described embodiment are denoted by the same reference numerals as those of the above-described embodiment, and thus redundant description is omitted.
(Third embodiment)
As shown in FIG. 8, the insert wire 7C according to the present embodiment is bent so as to be convex or concave in the thickness direction of the pad.

  That is, the portion of the insert wire 7C where the skin 7B is hogged and the portion where the wire harness 13 is hoggled are shifted in the thickness direction of the pad.

Note that the same constituent elements as those of the above-described embodiment are denoted by the same reference numerals as those of the above-described embodiment, and thus redundant description is omitted.
(Fourth embodiment)
As shown in FIG. 9, the insert wire 7 </ b> C according to the present embodiment is configured by a plurality of wires twisted together. Note that the same constituent elements as those of the above-described embodiment are denoted by the same reference numerals as those of the above-described embodiment, and thus redundant description is omitted.

(Other embodiments)
In the above-described embodiment, the wire harness 13 is routed on the seat cushion 3. However, the invention disclosed in this specification is not limited to this. That is, for example, the wire harness 13 may be routed on the seat back 5. Incidentally, the “pad thickness direction” in the seat back 5 substantially coincides with the seat longitudinal direction.

  In the above-described embodiment, the wire harness 13 and the second fixing tool 13A are indirectly connected via a hanging tool such as a binding band 13B. However, the invention disclosed in this specification is not limited to this. That is, for example, the wire harness 13 and the second fixture 13A may be directly connected.

  In the above-described embodiment, the wire harness 13 is routed between the adjacent linear bodies 11A. However, the invention disclosed in this specification is not limited to this. That is, for example, the linear body 11A and the wire harness 13 may overlap on the virtual surface.

  The pressure receiving member 11 according to the above-described embodiment is configured by a so-called “S spring”. However, the invention disclosed in this specification is not limited to this. That is, for example, the pressure receiving member 11 may be configured by a resin plate.

  The fixing member according to the above-described embodiment is configured by the insert wire 7C. However, the invention disclosed in this specification is not limited to this. That is, for example, a fitting member embedded in the cushion pad 7A may be used.

In the above-described embodiment, the first fixture 7E and the second fixture 13A are common items. However, the invention disclosed in this specification is not limited to this.
In the above-described embodiment, the vehicle seat according to the present invention is applied to a normal passenger car. However, the application of the present invention is not limited to this, and can also be applied to seats used for vehicles such as railway vehicles, ships and aircraft, and stationary seats used for theaters, homes and the like.

  Furthermore, the present invention is not limited to the above-described embodiment as long as it matches the gist of the invention described in the claims. Therefore, you may combine at least 2 embodiment among several embodiment mentioned above.

DESCRIPTION OF SYMBOLS 1 ... Vehicle seat 3 ... Seat cushion 5 ... Seat back 7 ... Cushion part 7A ... Cushion pad 7B ... Skin 7C ... Fixing member (insert wire) 7D ... Groove part 7E ... First fixing tool 7F ... Routing groove 9 ... Cushion frame 11 ... Pressure receiving member 13 ... Wire harness 13A ... Second fixture

Claims (4)

In a vehicle seat having a wire harness,
An elastically deformable seat pad;
An epidermis covering the seat pad;
A fixing member embedded in the seat pad and fixing the epidermis to the seat pad;
A first fixture for fixing the skin to the fixing member;
A vehicle seat comprising: a second fixture for fixing the wire harness to the fixing member. While receiving a load acting on the seat pad, it comprises a pressure receiving member composed of a plurality of linear bodies,
When a virtual plane that is substantially orthogonal to the direction from the pressure-receiving member side to the skin side is a virtual plane, the wire harness projected on the virtual plane is against the linear body projected on the virtual plane The vehicle seat according to claim 1, which is offset.   The vehicle seat according to claim 1, wherein the fixing member is constituted by a linear wire made of metal.   The vehicle seat according to any one of claims 1 to 3, wherein the first fixture and the second fixture are common items.

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