WO2018158998A1 - Vehicle seat - Google Patents

Vehicle seat Download PDF

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Publication number
WO2018158998A1
WO2018158998A1 PCT/JP2017/035152 JP2017035152W WO2018158998A1 WO 2018158998 A1 WO2018158998 A1 WO 2018158998A1 JP 2017035152 W JP2017035152 W JP 2017035152W WO 2018158998 A1 WO2018158998 A1 WO 2018158998A1
Authority
WO
WIPO (PCT)
Prior art keywords
wire
heater
skin
cushion pad
electric wire
Prior art date
Application number
PCT/JP2017/035152
Other languages
French (fr)
Japanese (ja)
Inventor
佐藤　孝平
亮祐 小島
Original Assignee
テイ・エス テック株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by テイ・エス テック株式会社 filed Critical テイ・エス テック株式会社
Publication of WO2018158998A1 publication Critical patent/WO2018158998A1/en

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/62—Accessories for chairs
    • A47C7/72—Adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like
    • A47C7/74—Adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like for ventilation, heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/56—Heating or ventilating devices

Definitions

  • the present invention relates to a vehicle seat, and particularly to a vehicle seat in which a heater is disposed between a cushion pad and an outer skin.
  • the epidermis used for a vehicle seat is generally constituted by stitching a plurality of pieces (skin pieces).
  • skin pieces When manufacturing a vehicle seat provided with a heater directly under the skin, attach the heater wire and the electric wire connected to the heater wire to each skin piece, and connect the skin pieces together. It will be sutured. At this time, if the heater wire or the electric wire straddles the stitched portion, there is a possibility that these conductive wires are disconnected. Such a defect becomes apparent when the stitch pattern of the epidermis piece is changed in accordance with the change in the sheet design.
  • Examples of a method for avoiding the disconnection of the lead wire at the time of skin piece stitching include the technique described in Patent Document 1.
  • the technique described in Patent Document 1 will be described.
  • a groove is provided in the cushion pad covered with the epidermis, and a portion of the epidermis near the stitching line of the epidermis is drawn into the groove, and the metal wire exposed in the groove Hook.
  • a heater is provided immediately below the skin, and a heater wire in the heater is drawn into the groove.
  • channel is connected to said metal wire through the connection member which has electroconductivity. If such a technique is used, even if the heater wire is attached to each skin piece, the heater wire does not straddle the stitch line of the skin piece, so it is possible to avoid disconnection of the heater wire at the time of skin piece stitching Become.
  • the skin is disposed at a position immediately above a connection component (specifically, a connecting member or a metal wire) that is electrically connected to the heater wire. Accordingly, when a vehicle occupant is seated on the seating seat described in Patent Document 1, a load (sitting load) is applied to the connection portion between the heater wire and the connection component, and when this is repeated, the lead wire is detached from the connection component. There is a fear. Further, for example, when water or liquid spills on the sheet and the skin gets wet, water or liquid may come into contact with the connection portion between the heater wire and the connection component, which may cause corrosion at the connection portion.
  • a connection component specifically, a connecting member or a metal wire
  • the present invention has been made in view of the above problems, and its purpose is for a vehicle in which a conductive wire that is energized when using a heater disposed between an outer skin and a cushion pad is appropriately disposed. Is to provide a sheet.
  • the problem is that a cushion pad, a skin covering the cushion pad, a heater disposed between the skin and the cushion pad, and energization when the heater is used.
  • the first skin piece and the second skin piece sewn together, and the stitching line formed by stitching the first skin piece and the second skin piece.
  • the conductive wire has a first conductive wire attached to the first skin piece and a second conductive wire attached to the second skin piece, the first conductive wire and the second conductive wire.
  • the conductive wire are located on opposite sides of the stitching line and are electrically connected via a connecting portion, and one cushion pad is interposed between the connecting portion and the epidermis in the thickness direction of the cushion pad. Part is placed It is solved by Rukoto.
  • the conducting wires (specifically, the first conducting wire and the second conducting wire) attached to each skin piece are located at a position away from the stitching line of the skin piece. It is electrically connected via a connection part.
  • a part of the cushion pad is interposed between the connecting portion and the skin in the thickness direction of the cushion pad. That is, a part of the cushion pad exists on the side where the epidermis is located when viewed from the connection part, and the part covers the connection part.
  • a preferred configuration of the vehicle seat of the present invention will be described.
  • a groove formed along the stitching line is provided in a portion facing the stitching line in the cushion pad covered with the epidermis.
  • the said connection part is good to be arrange
  • the connection part is arrange
  • the groove may be a hanging groove formed to suspend a portion of the epidermis where the stitching line is formed.
  • suture line was formed of the epidermis is suspended in the suspension groove
  • the connection part is arrange
  • the conductive wire is an electric wire as the connection portion arranged to electrically connect the first conductive wire and the second conductive wire, and the electric wire is In the cushion pad, the cushion pad may extend in a direction intersecting with both the thickness direction and the hanging groove forming direction.
  • the electric wire which makes a connection part is extended in the direction which crosses a hanging groove in the back side of a hanging groove in a cushion pad. If it is such a structure, since an electric wire exists in a cushion pad, it becomes possible to protect an electric wire.
  • the conductive wire is an electric wire as the connecting portion arranged to electrically connect the first conductive wire and the second conductive wire, and the cushion pad.
  • the electric wire which makes a connection part is extended in the direction which cross
  • the first conductor and the second conductor are heater wires that form part of the heater, and the electric wire is the first of the heaters. It is good in it being a heater wire which makes parts other than the part comprised by one conducting wire and said 2nd conducting wire.
  • the 1st conducting wire, the 2nd conducting wire, and the electric wire are comprised by the heater wire of the heater. With such a configuration, the number of parts can be reduced as compared with a configuration in which the electric wire as the connection portion is provided separately from the heater wire of the heater.
  • the first conductive wire and the second conductive wire are heater wires that form part of the heater, and the electric wire is a heater wire of the heater. It should be a separate body.
  • the electric wire as a connection part is provided as a member different from the heater wire of the heater which makes a 1st conducting wire and a 2nd conducting wire. With such a configuration, the degree of freedom regarding the arrangement of the electric wires is increased, and the operation of arranging the electric wires becomes easier.
  • the conductive wire further includes a first conductive wire connecting wire connected to the first conductive wire and a second conductive wire connecting wire connected to the second conductive wire.
  • the electric wire may be coupled to each of the first conductive wire connecting wire and the second conductive wire connecting wire.
  • the 1st conducting wire connection electric wire connected to the 1st conducting wire and the 2nd conducting wire connection electric wire connected to the 2nd conducting wire are each provided.
  • the electric wire as a connection part is connected with each of the 1st conducting wire connecting wire and the 2nd conducting wire connecting wire.
  • each of the first conductive wire connecting wire and the second conductive wire connecting wire may extend so as to penetrate the cushion pad in the thickness direction.
  • the 1st conducting wire connection electric wire and the 2nd conducting wire connection electric wire are extended so that a cushion pad may be penetrated. If it is such a structure, it will become possible to arrange
  • the cushion pad has a back surface located on a side opposite to the side facing the skin in the thickness direction, and the electric wire extends in the thickness direction. It should be fixed to the back.
  • the electric wire as a connection part is being fixed to the back surface of a cushion pad. Thereby, it becomes possible to stabilize the connection state of a connection part (electric wire) and a conducting wire.
  • the vehicle seat of the present invention in the configuration in which the heater is disposed between the cushion pad and the skin, and the conductive wire that is energized when the heater is used is attached to each of the plurality of skin pieces. It is possible to properly connect the conductive wires attached to each other and maintain the connection state appropriately.
  • the epidermis is wet with water or liquid, it is possible to effectively suppress the connection portion from touching water or liquid.
  • the vehicle seat of the present invention it is possible to appropriately maintain the connection state between the connection portion and the conductive wire while separating the connection portion from the stitch line of the skin piece. Moreover, according to the vehicle seat of the present invention, the electric wire can be protected because the electric wire forming the connecting portion is in the cushion pad. Moreover, according to the vehicle seat of the present invention, since the electric wire is exposed on the back side of the cushion pad, the electric wire can be easily handled, and as a result, the operation of arranging the electric wire becomes easier. Moreover, according to the vehicle seat of the present invention, the first conductor, the second conductor, and the electric wire are constituted by the heater wire of the heater, so that the electric wire is prepared separately from the heater wire of the heater.
  • the number of parts is reduced. Moreover, according to the vehicle seat of the present invention, since the electric wire is provided as a member different from the heater wire of the heater that forms the first conductive wire and the second conductive wire, the degree of freedom regarding the arrangement of the electric wire is increased. The arrangement work of the electric wire becomes easier. Moreover, according to the vehicle seat of the present invention, by appropriately changing the position of the first conductor connection electric wire connected to the first conductor and the position of the second conductor connection electric wire connected to the second conductor, The installation position can be freely set, and as a result, the work of arranging the electric wires is further facilitated.
  • the first conductive wire connecting wire and the second conductive wire connecting wire penetrate the cushion pad, so that the wire can be easily placed at a position farther from the skin than the back surface of the cushion pad. It becomes possible to arrange. Moreover, according to the vehicle seat of the present invention, it is possible to stabilize the connection state between the electric wire as the connecting portion and the conductive wire by fixing the electric wire to the back surface of the cushion pad.
  • FIG. 1 is an overall view of a vehicle seat according to an embodiment of the present invention. It is a figure which shows the flame
  • a seat (vehicle seat) mounted on a vehicle will be described as a specific example of the vehicle seat according to the present embodiment.
  • the present invention can also be applied to a vehicle seat other than a vehicle seat, for example, a seat mounted on a motorcycle, a ship or an aircraft.
  • the “front-rear direction” is the front-rear direction of the vehicle seat and is the direction that coincides with the traveling direction during vehicle travel.
  • the “seat width direction” is the width direction of the vehicle seat and is the direction that coincides with the left-right direction viewed from the occupant seated on the vehicle seat.
  • the “vertical direction” is the vertical direction of the vehicle seat, and is the direction that coincides with the vertical direction when the vehicle is traveling on a horizontal plane.
  • the “thickness direction” means a thickness direction of the cushion pad 1 described later, and is a direction that coincides with the vertical direction when the vehicle seat is mounted on the vehicle.
  • FIG. 1 is a perspective view of a vehicle seat S.
  • FIG. 1 is a perspective view of a vehicle seat S.
  • FIG. 2 is a perspective view showing a frame of the vehicle seat S.
  • FIG. 3 is a plan view showing the positional relationship between the cushion pad 1 and the heater wire 4 a of the heater 4.
  • 4A and 4B are schematic views showing the configuration of the skin 2 according to the present embodiment,
  • FIG. 4A is a side sectional view of the skin 2
  • FIG. 4B is a schematic development view of the skin 2.
  • FIG. 5 is a schematic cross-sectional view showing a configuration around the hanging groove 1a in the seat cushion S1.
  • the vehicle seat S has a seat cushion S1, a seat back S2, and a headrest S3 as shown in FIG.
  • the seat cushion S1 is configured by placing the cushion pad 1 illustrated in FIG. 3 on the seat cushion frame F1 illustrated in FIG. 2 and covering the surface of the cushion pad 1 with the skin 2.
  • the seat cushion frame F1 includes a pair of left and right side frames Fs and a pan frame Fp that connects the front ends of the side frames Fs.
  • a support spring Fr extending in the seat width direction is installed between the side frames Fs.
  • the support springs Fr are made of, for example, S springs, are located behind the pan frame Fp, and are provided in a plurality along the front-rear direction.
  • the cushion pad 1 is a pad member made of urethane foam or the like, and is molded into a predetermined shape. On the upper surface of the cushion pad 1, a plurality of hanging grooves 1a formed in a straight line are formed.
  • the suspension groove 1a is a groove formed to suspend a part of the skin 2 in order to stretch the skin 2 when the cushion pad 1 is covered with the skin 2, and as shown in FIG. It extends in the front-rear direction.
  • the upper surface and side surfaces (surfaces facing the skin 2 in the thickness direction) of the cushion pad 1 are referred to as facing surfaces 1 s, and are opposite to the lower surfaces (surfaces facing the skin 2 in the thickness direction) of the cushion pad 1.
  • the surface located on the side is referred to as the back surface 1t.
  • the epidermis 2 is composed of a plurality of fragmented epidermis (hereinafter, epidermis piece 2a).
  • Each of the plurality of skin pieces 2a is made of leather or cloth.
  • the slab 5 is sewn on the back side of each skin piece 2a.
  • the slab 5 is made of a urethane slab having air permeability, and is integrated with the skin piece 2a.
  • the skin 2 is constituted by stitching a plurality of skin pieces 2a as shown in FIG. 4B. Accordingly, the epidermis 2 is provided with a stitching line L (shown by a thick broken line in FIG. 4B) formed by stitching the skin pieces 2a together.
  • the stitching line L is formed in a linear shape. Note that the number, the arrangement position, the length, and the formation direction of the stitching lines L are not limited to the contents illustrated in FIG. 4A and may be arbitrarily designed according to the sheet design.
  • the structure of the cushion pad 1 will be described again from the relationship with the skin 2.
  • the portion of the cushion pad 1 that is located immediately below the stitching line L is not described above.
  • a hanging groove 1a exists. That is, in the cushion pad 1 covered with the epidermis 2, a hanging groove 1 a is provided along the stitching line L at a portion facing the stitching line L.
  • the insert wire 3 is arranged along the hanging groove 1 a at the bottom of the hanging groove 1 a in the cushion pad 1. A portion of the skin 2 that is suspended in the hanging groove 1a is hooked to a portion of the insert wire 3 that is exposed in the hanging groove 1a. Thereby, the part in which the sewing line L was formed among the epidermis 2 is being fixed in the hanging groove
  • a heater 4 as a seat heating device is disposed.
  • the heater 4 has a heater wire 4a (electric heating wire) that is heated by energization as a main component.
  • the heater wire 4 a is disposed between the skin 2 and the cushion pad 1 in the thickness direction. That is, in the present embodiment, the heater 4 is disposed immediately below the skin 2, and the surface (sitting surface) of the seat cushion S1 can be effectively heated.
  • a conductive wire 6 for supplying power to the heater 4 is disposed as described in FIG. 3 and FIG.
  • the conductor 6 includes a heater wire 4a that forms part of the heater 4, an electric wire 7 that is electrically connected to the heater wire 4a, and a cable that forms a power transmission path from a power source (not shown) to the heater wire 4a.
  • These conducting wires 6 are energized when the heater 4 is used. And when the various conducting wires 6 are energized, the heater wire 4a is heated.
  • the configuration of the cushion pad 1 and the skin 2 will be described again.
  • two hanging grooves 1 a are formed in the front-rear direction.
  • the central part in the seat width direction of the cushion pad 1 is divided into three regions (a front region 11, a central region 12, and a rear region 13) with the hanging groove 1a as a boundary in the front-rear direction.
  • the skin 2 has a skin piece 2a corresponding to each region of the central portion of the cushion pad 1 divided into three in the seat width direction. More specifically, the plurality of skin pieces 2a constituting the skin 2 are divided into a skin piece 2a covering the front region 11 (hereinafter referred to as the front skin piece 21) and a skin piece 2a covering the central region 12 (hereinafter referred to as the center skin). A piece 22) and a skin piece 2a (hereinafter, the back skin piece 23) covering the rear region 13 are included.
  • the rear end portion of the front skin piece 21 and the front end portion of the central skin piece 22 are stitched together, and a stitching line L along the sheet width direction is formed at a location where the both skin pieces 21 and 22 overlap.
  • the front skin piece 21 corresponds to the first skin piece
  • the central skin piece 22 corresponds to the second skin piece.
  • the first skin piece and the second skin piece are determined for convenience in defining the relationship between the two skin pieces 2a. More specifically, when one of the two skin pieces 2a is set as the first skin piece, the other is necessarily the second skin piece.
  • the central skin piece 22 and the front end portion of the rear skin piece 23 are stitched together, and a stitching line L along the sheet width direction is formed at a location where both skin pieces 22 and 23 overlap.
  • the central skin piece 22 corresponds to the first skin piece
  • the rear skin piece 23 corresponds to the second skin piece.
  • a heater 4 is disposed between the skin 2 and the cushion pad 1 configured as described above. If it demonstrates strictly, as shown in FIG. 3, the heater wire 4a which comprises the heater 4 is arrange
  • a heater wire 4a is inserted into the slab 5 sewn on the back side of each of the front skin piece 21, the central skin piece 22 and the rear skin piece 23. That is, in this embodiment, there are a plurality of skin pieces 2a to which the heater wires 4a are attached.
  • the heater wire 4a attached to the front skin piece 21 corresponds to the first conductor
  • the heater wire 4a attached to the central skin piece 22 is Corresponds to the second conductor
  • the heater wire 4a attached to the central skin piece 22 corresponds to the first conductor
  • the heater wire 4a attached to the rear skin piece 23 is Corresponds to two conductors.
  • the first conductor and the second conductor are determined for convenience in distinguishing the heater wire 4a attached to each skin piece 2a. Specifically, if the heater wire 4a attached to one of the two skin pieces 2a (first skin piece) is set as the first conductor, it is attached to the other skin piece 2a (second skin piece). The heater wire 4a inevitably becomes the second conductor.
  • the heater wire 4a inserted in the slab 5 is arranged to meander along the surface of the slab 5 (strictly, the surface in the thickness direction) as shown in FIG. 4B.
  • the heater wire 4a is divided between the skin pieces 2a. More specifically, the heater wire 4a (first conducting wire) attached to the front skin piece 21 and the heater wire 4a (second conducting wire) attached to the central skin piece 22 They are located on opposite sides of each other with a suture line L formed therebetween.
  • the heater wire 4a (first conductor) attached to the central skin piece 22 and the heater wire 4a (second conductor) attached to the rear skin piece 23 are formed between both skin pieces 22, 23.
  • the suture lines L are located on opposite sides of each other.
  • the heater wires 4a positioned on opposite sides of the stitching line L are electrically connected to each other through a connecting portion described later. As a result, when power is supplied from a heater power supply (not shown), both of the two heater wires 4a positioned on opposite sides of the stitching line L are energized.
  • Heater wire connection structure A connection structure for electrically connecting two heater wires 4a located on opposite sides of the stitching line L will be described with reference to a plurality of examples (first to fourth examples).
  • the connection structure for connecting the heater wires 4a attached to each of the front skin piece 21 and the central skin piece 22 and the heater wires 4a attached to each of the center skin piece 22 and the rear skin piece 23 are connected.
  • the connection structure for connection is substantially the same. For this reason, below, only the connection structure for connecting the heater wires 4a attached to each of the front skin piece 21 and the central skin piece 22 will be described.
  • FIG. 6 is a diagram showing a connection method between the conductor wire extending from the heater wire 4a and the electric wire 7, and is a diagram showing a detailed structure of a portion surrounded by a broken line in FIG.
  • FIG. 7 is a view showing a modified example of a method for connecting the conductive wire extending from the heater wire 4 a and the electric wire 7.
  • the electric wire 7, the first electric wire connecting electric wire 8, and the second electric wire connecting electric wire 9 are used as the electric wires 6 for electrically connecting the heater wires 4 a to each other. It has been. These conducting wires 6 are separate from the heater wire 4 a of the heater 4.
  • the first conducting wire connecting electric wire 8 and the second conducting wire connecting electric wire 9 are made of general electric wires (for example, coated conducting wires).
  • the first conductor connecting wire 8 is joined to the end of the heater wire 4a attached to the front skin piece 21 (specifically, the end of the heater wire 4a located on the rear end side of the front skin piece 21). Yes.
  • the second conductor connecting wire 9 is joined to the end of the heater wire 4a attached to the central skin piece 22 (specifically, the end of the heater wire 4a located on the front end side of the central skin piece 22). .
  • the joining method by caulking or soldering can be utilized, for example.
  • each of the 1st conducting wire connection electric wire 8 and the 2nd conducting wire connection electric wire 9 is extended so that the cushion pad 1 may be penetrated in the thickness direction.
  • a through hole 1 b that penetrates the cushion pad 1 is provided at a position near the hanging groove 1 a in each of the front region 11 and the central region 12.
  • the first conducting wire connecting wire 8 and the second conducting wire connecting wire 9 are passed through the through hole 1b from the upper surface side of the cushion pad 1.
  • the first conducting wire connecting wire 8 and the second conducting wire connecting wire 9 passed through the through hole 1 b protrude below the lower surface (that is, the back surface 1 t) of the cushion pad 1.
  • the electric wire 7 is made of a metal wire having a slightly larger diameter. And the electric wire 7 functions as a connection part for connecting the heater wires 4a electrically in the first example. Specifically, as shown in FIG. 5, the electric wire 7 is disposed on the back side of the cushion pad 1 (a position farther from the skin 2 than the back surface 1 t of the cushion pad 1 in the thickness direction). In this arrangement position, the electric wire 7 is connected to each of the first conductive wire connecting electric wire 8 and the second conductive wire connecting electric wire 9 protruding downward from the back surface 1 t of the cushion pad 1.
  • the electric wire 7 is disposed so as to cross the hanging groove 1 a at a position lower than the back surface 1 t of the cushion pad 1. That is, the electric wire 7 is located at a position farther from the skin 2 than the hanging groove 1a in the thickness direction, and is arranged in a state intersecting with the hanging groove 1a. Strictly speaking, the electric wire 7 extends in a direction intersecting both the thickness direction and the forming direction of the hanging groove 1a (specifically, the sheet width direction).
  • the electric wire 7 may be arrange
  • the one end part of the electric wire 7 exists in the position below the back surface 1t of the front area
  • the other end portion of the electric wire 7 is located below the back surface 1t of the central region 12 of the cushion pad 1 and is joined to the end portion of the second conductive wire connecting electric wire 9 protruding downward from the through hole 1b.
  • the coupling system shown in FIG. 6 can be utilized, for example, Specifically, both lines are crimped. After joining with solder, the joint portion may be covered with the heat shrinkable tube K.
  • connection method between each of the first conductor connection wire 8 and the second conductor connection wire 9 and the wire 7 can also be used. 7 will be described.
  • the ends of the first conductor connecting wire 8 and the second conductor connecting wire 9 that protrude downward from the through hole 1b are assembled to the block connector C.
  • FIG. An insertion hole is formed in the connector C, and the end portions of the first conductor connection electric wire 8 and the second conductor connection electric wire 9 are inserted into the insertion hole.
  • the connector C is formed with a concave portion penetrating in a substantially cylindrical shape. The end of the electric wire 7 is fitted into this recess.
  • the insertion hole and the recess are in communication with each other, and in a state where the end portions of the first conductive wire connecting wire 8 and the second conductive wire connecting wire 9 are inserted into the insertion holes, the first conductive wire connecting wire. 8 and a part of the second conducting wire connecting electric wire 9 are exposed facing the recess.
  • the electric wire 7 comes into contact with the first conducting wire connecting wire 8 and the second conducting wire connecting wire 9 and is electrically connected.
  • connection method between each of the first conductive wire connection electric wire 8 and the second conductive wire connection electric wire 9 and the electric wire 7 is not limited to the method illustrated in FIGS. 6 and 7, and other connection methods may be used.
  • the electric wire 7 as the connecting portion is located on the opposite side of the skin 2 with the cushion pad 1 interposed therebetween.
  • a part of the cushion pad 1 is disposed between the electric wire 7 and the skin 2 in the thickness direction.
  • the cushion pad 1 exists above the electric wire 7, even if the skin 2 is wet with water or liquid, for example, the electric wire 7 is prevented from touching water or liquid, and the electric wire resulting therefrom 7 can be prevented from proceeding.
  • the electric wire 7 is fixed to the back surface 1t of the cushion pad 1.
  • the fixing method is not particularly limited, and may be, for example, adhesion with an adhesive, or may be fixed with a fixing tool such as a clip.
  • the location where the electric wire 7 is fixed in the back surface 1t may be depressed, and the electric wire 7 may be arranged in the depression.
  • the electric wire 7 is connected to a predetermined portion (specifically, the pan frame Fp, It is arranged at a position deviated from the support spring Fr).
  • the part which opposes the electric wire 7 among the seat cushion frames F1 may form the hollow part by denting in the opposite side to the side where the electric wire 7 is located.
  • FIG. 8 is an explanatory diagram of the connection structure of the second example.
  • members and parts common to the connection structure of the first example among the connection structures of the second example are denoted by the same reference numerals as in FIG. 5.
  • the electric wire 7 is inserted into the cushion pad 1, and specifically, inserted between the bottom of the hanging groove 1 a and the back surface 1 t in the thickness direction. . And the electric wire 7 is extended in the direction which cross
  • the electric wire 7 is arranged so as to cross the hanging groove 1 a below the hanging groove 1 a in the cushion pad 1.
  • the first conducting wire connecting wire 8 and the second conducting wire connecting wire 9 do not penetrate the cushion pad 1 and are interrupted at the midway position of the cushion pad 1 in the thickness direction.
  • Each lower end part of the 1st conducting wire connection electric wire 8 and the 2nd conducting wire connection electric wire 9 exists in the position where the electric wire 7 is arrange
  • the electric wire 7 is joined with each of the 1st conducting wire connection electric wire 8 and the 2nd conducting wire connection electric wire 9 in the cushion pad 1. As shown in FIG. Thereby, in the 2nd example, it becomes possible to protect by covering the electric wire 7 with the cushion pad 1.
  • the second example is different from the first example, but other configurations are common to the first example.
  • a part of the cushion pad 1 is disposed between the electric wire 7 and the skin 2 in the thickness direction.
  • FIG. 9 is an explanatory diagram of the connection structure of the third example.
  • members and parts that are common to the connection structure of the first example are denoted by the same reference numerals as in FIG. 5.
  • the first conducting wire connecting wire 8 and the second conducting wire connecting wire 9 used in the first example and the second example are not used. Instead, in the third example, the end of the heater wire 4a attached to each of the front skin piece 21 and the central skin piece 22 is extended to the back side of the cushion pad 1 through the through hole 1b.
  • the heater wires 4 a extending to the back side of the cushion pad 1 are joined to each other on the back side of the cushion pad 1. That is, in the third example, the heater wire 4a that forms a part other than the part constituted by the heater wire 4a attached to the front skin piece 21 or the central skin piece 22 in the heater 4 is the front skin piece 21 or the center. It functions as an electric wire for electrically connecting the heater wires 4 a attached to the skin piece 22.
  • a portion of the heater wire 4a that wraps around the back side of the cushion pad 1 (hereinafter, pad back side portion 4b) is provided as a connection portion.
  • pad back side part 4b extended from the heater wire 4a (1st conducting wire) attached to the front skin piece 21, and the pad back side part 4b extended from the heater wire 4a (2nd conducting wire) attached to the center skin piece 22 Are joined on the back side of the cushion pad 1.
  • the third example is different from the first example, but other configurations are common to the first example.
  • a part of the cushion pad 1 is disposed between the pad back side portion 4 b as the connecting portion and the skin 2 in the thickness direction.
  • FIG. 10 is an explanatory diagram of the connection structure of the fourth example.
  • members and parts common to the connection structure of the first example in the connection structure of the fourth example are denoted by the same reference numerals as those in FIG. 5.
  • the first conductor connecting wire 8 and the second conductor connecting wire 9 are not provided, and the ends of the heater wires 4a attached to the front skin piece 21 and the central skin piece 22 are extended. I am letting. Further, the extended heater wire 4a further extends in the cushion pad 1 as shown in FIG. More specifically, the portion of the heater wire 4a that extends through the cushion pad 1 (hereinafter, the pad extension portion 4c) is positioned below the hanging groove 1a in the thickness direction (position opposite to the skin 2). ).
  • the pad extension portions 4 c of the heater wires 4 a are joined together in the cushion pad 1. That is, in the fourth example, the heater wire 4a (specifically, in the pad) that forms a part other than the part constituted by the heater wire 4a attached to the front skin piece 21 and the central skin piece 22 in the heater 4.
  • the extension part 4c) functions as an electric wire for electrically connecting the heater wires 4a attached to the front skin piece 21 and the central skin piece 22.
  • pad extension part 4c is provided as a connection part, and pad extension part 4c extended from heater wire 4a (first conductor) attached to front skin piece 21 is provided. And an in-pad extension portion 4c extending from the heater wire 4a (second conductor) attached to the central skin piece 22, and the suspending groove 1a and the back surface 1t in the cushion pad 1, strictly speaking, in the thickness direction, Are joined together.
  • the fourth example is different from the first example, but other configurations are the same as the first example.
  • a part of the cushion pad 1 is disposed between the pad extension portion 4 c as the connection portion and the skin 2 in the thickness direction.
  • the heater 4 is provided in the seat cushion S1 of the vehicle seat S. That is, in the above-described embodiments (first to fourth examples), the structure for connecting the heater wires 4a of the heater 4 installed in the seat cushion S1 has been described. However, the present invention is not limited to this, and the heater 4 may be provided on the seat back S2. And also when connecting the heater wires 4a of the said heater 4, the connection structure mentioned above can be utilized.
  • connection structure for connecting the heater wires 4a located on the opposite sides of the stitching line L of the skin piece 2a has been described.
  • the heater wire 4a only one of the two conductive wires 6 located on the opposite sides of the stitching line L is the heater wire 4a, and the other is the conductive wire 6 that is not the heater wire 4a (electric heating wire), for example, a power supply cable. There may be. And when connecting the said cable and the heater wire 4a, the above-mentioned connection structure can be utilized.
  • the first conductive wire connecting electric wire 8 and the second conductive wire connecting electric wire 9 are coupled via the electric wire 7. That is, in the first example and the second example, each of the first conducting wire connecting wire 8 and the second conducting wire connecting wire 9 is connected to the wire 7.
  • FIG. 11 is a diagram illustrating a method of connecting the first conductor connecting wire 8 and the second conductor connecting wire 9 using the joints D1 and D2.
  • a joint D1 is attached to the end of the first conductor connection electric wire 8, and a joint D2 is attached to the end of the second conductor connection electric wire 9.
  • FIG. The two joints D1 and D2 are made of couplers that can be inserted and removed from each other. Therefore, when one joint D1 is inserted into the other joint D2 and the two joints D1 and D2 are connected, the first conducting wire connecting wire 8 and the second conducting wire connecting wire 9 are electrically connected.
  • the connection method illustrated in FIG. 11 is also applicable to the case where each of the first conductive wire connecting electric wire 8 and the second conductive wire connecting electric wire 9 and the electric wire 7 are connected. The same method can also be applied to the case where the wires extending from the heater wire 4a (specifically, the pad back side portion 4b of the third example and the pad extension portion 4c of the fourth example) are connected to each other. .

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)

Abstract

According to the present invention, a conductive wire, which becomes energized when a heating heater disposed between a skin and a cushion pad is used, is appropriately disposed. This seat for a car has a cushion pad (1), a skin (2), a heating heater (4) disposed between the skin (2) and the cushion pad (1), and a conductive wire (6) that is energized when the heating heater (4) is used, wherein: the skin (2) is provided with a first skin piece and a second skin piece which are sewed together, and a sewing line (L) formed by sewing the first skin piece and the second skin piece; the conductive wire (6) has a heating wire (4a) installed in the first skin piece and a heating wire (4a) installed in the second skin piece; the heating wires (4a) are located opposite to each other with the sewing line (L) disposed therebetween, and are electrically connected through a wire (7); and a portion of the cushion pad (1) is disposed between the wire (7) and the skin (2) in the thickness direction of the cushion pad (1).

Description

乗物用シートVehicle seat
　本発明は、乗物用シートに係り、特に、クッションパッドと表皮の間に加熱ヒータが配置された乗物用シートに関する。 The present invention relates to a vehicle seat, and particularly to a vehicle seat in which a heater is disposed between a cushion pad and an outer skin.
　シート内部に加熱ヒータを備えている乗物用シートの中には、クッションパッドを覆う表皮の直下位置に加熱ヒータが配置されているものが存在する。乗物用シートに用いられる表皮は、一般に複数のピース（表皮片）を縫合することで構成される。表皮の直下位置に加熱ヒータが設けられた乗物用シートを製造する場合には、加熱ヒータを構成するヒータ線やヒータ線に接続される電線を各表皮片に取り付けた上で、表皮片同士を縫合することになる。この際、上記のヒータ線や電線が縫合箇所を跨いでいると、これらの導線を断線させてしまう虞がある。こうした不具合は、シートデザインの変化に応じて表皮片の縫合パターンが変更された際に顕在化する。 Some vehicle seats equipped with a heater inside the seat have a heater disposed just below the skin covering the cushion pad. The epidermis used for a vehicle seat is generally constituted by stitching a plurality of pieces (skin pieces). When manufacturing a vehicle seat provided with a heater directly under the skin, attach the heater wire and the electric wire connected to the heater wire to each skin piece, and connect the skin pieces together. It will be sutured. At this time, if the heater wire or the electric wire straddles the stitched portion, there is a possibility that these conductive wires are disconnected. Such a defect becomes apparent when the stitch pattern of the epidermis piece is changed in accordance with the change in the sheet design.
　表皮片縫合時における導線の断線を回避する方法としては、例えば、特許文献１に記載された技術が挙げられる。特許文献１に記載の技術について説明すると、表皮に覆われるクッションパッドに溝を設け、表皮のうち、表皮片の縫合ライン付近の部分を溝内に引き込み、溝内で露出している金属ワイヤに引っ掛ける。また、表皮の直下位置にはヒータが設けられており、当該ヒータ中のヒータ線が溝内に引き込まれている。そして、溝内に引き込まれたヒータ線は、導電性を有する連結部材を介して上記の金属ワイヤに接続されている。このような技術を利用すれば、ヒータ線を各表皮片に取り付けたとしてもヒータ線が表皮片の縫合ラインを跨がないので、表皮片縫合時におけるヒータ線の断線を回避することが可能となる。 Examples of a method for avoiding the disconnection of the lead wire at the time of skin piece stitching include the technique described in Patent Document 1. The technique described in Patent Document 1 will be described. A groove is provided in the cushion pad covered with the epidermis, and a portion of the epidermis near the stitching line of the epidermis is drawn into the groove, and the metal wire exposed in the groove Hook. Further, a heater is provided immediately below the skin, and a heater wire in the heater is drawn into the groove. And the heater wire drawn in in the groove | channel is connected to said metal wire through the connection member which has electroconductivity. If such a technique is used, even if the heater wire is attached to each skin piece, the heater wire does not straddle the stitch line of the skin piece, so it is possible to avoid disconnection of the heater wire at the time of skin piece stitching Become.
特開２０１２－１４３３１８号公報JP 2012-143318 A
　しかしながら、特許文献１に記載の技術では、ヒータ線と電気的に接続される接続部品（具体的には、連結部材や金属ワイヤ）の直上位置に表皮が配置されている。したがって、特許文献１に記載の着座シートに乗物の乗員が着座した際にヒータ線と接続部品との接続箇所に荷重（着座荷重）が掛かり、これが繰り返されると、導線が接続部品から外れてしまう虞がある。また、例えばシートに水や液体がこぼれて表皮が濡れた場合には、ヒータ線と接続部品との接続箇所に水や液体が触れてしまい、当該接続箇所での腐食を招く虞がある。 However, in the technique described in Patent Document 1, the skin is disposed at a position immediately above a connection component (specifically, a connecting member or a metal wire) that is electrically connected to the heater wire. Accordingly, when a vehicle occupant is seated on the seating seat described in Patent Document 1, a load (sitting load) is applied to the connection portion between the heater wire and the connection component, and when this is repeated, the lead wire is detached from the connection component. There is a fear. Further, for example, when water or liquid spills on the sheet and the skin gets wet, water or liquid may come into contact with the connection portion between the heater wire and the connection component, which may cause corrosion at the connection portion.
　そこで、本発明は、上記の問題に鑑みてなされたものであり、その目的は、表皮及びクッションパッドの間に配置された加熱ヒータの利用時に通電状態となる導線が適切に配置された乗物用シートを提供することである。 Therefore, the present invention has been made in view of the above problems, and its purpose is for a vehicle in which a conductive wire that is energized when using a heater disposed between an outer skin and a cushion pad is appropriately disposed. Is to provide a sheet.
　前記課題は、本発明の乗物用シートによれば、クッションパッドと、該クッションパッドを覆う表皮と、該表皮と前記クッションパッドとの間に配置された加熱ヒータと、該加熱ヒータの利用時に通電状態となる導線と、を有し、前記表皮は、互いに縫合された第一表皮片及び第二表皮片と、前記第一表皮片及び前記第二表皮片を縫合することで形成された縫合ラインと、を備え、前記導線は、前記第一表皮片に取り付けられた第一導線と、前記第二表皮片に取り付けられた第二導線と、を有し、前記第一導線及び前記第二導線は、前記縫合ラインを挟んで互いに反対側に位置し、接続部を介して電気的に接続されており、前記クッションパッドの厚み方向において前記接続部と前記表皮との間に前記クッションパッドの一部が配置されていることにより解決される。 According to the vehicle seat of the present invention, the problem is that a cushion pad, a skin covering the cushion pad, a heater disposed between the skin and the cushion pad, and energization when the heater is used. The first skin piece and the second skin piece sewn together, and the stitching line formed by stitching the first skin piece and the second skin piece. And the conductive wire has a first conductive wire attached to the first skin piece and a second conductive wire attached to the second skin piece, the first conductive wire and the second conductive wire. Are located on opposite sides of the stitching line and are electrically connected via a connecting portion, and one cushion pad is interposed between the connecting portion and the epidermis in the thickness direction of the cushion pad. Part is placed It is solved by Rukoto.
　上記のように構成された本発明の乗物用シートでは、各表皮片に取り付けられた導線（具体的には、第一導線及び第二導線）が、表皮片の縫合ラインから離れた位置にある接続部を介して電気的に接続されている。また、クッションパッドの厚み方向において接続部と表皮との間にはクッションパッドの一部が介在している。つまり、接続部から見て表皮が位置する側にはクッションパッドの一部が存在し、当該部分が接続部に被さっている。これにより、乗物の乗員がシートに着座した際の着座荷重が接続部に掛かるのを抑制したり、また、表皮が水や液体によって濡れた際に接続部が水や液体に触れるのを抑えたりすることが可能となる。以上により、各表皮片に取り付けられた導線同士を適切に接続し、その接続状態を適切に保持することが可能となる。 In the vehicle seat of the present invention configured as described above, the conducting wires (specifically, the first conducting wire and the second conducting wire) attached to each skin piece are located at a position away from the stitching line of the skin piece. It is electrically connected via a connection part. A part of the cushion pad is interposed between the connecting portion and the skin in the thickness direction of the cushion pad. That is, a part of the cushion pad exists on the side where the epidermis is located when viewed from the connection part, and the part covers the connection part. As a result, the seating load when a vehicle occupant sits on the seat is prevented from being applied to the connection part, and when the epidermis is wet with water or liquid, the connection part is prevented from touching water or liquid. It becomes possible to do. By the above, it becomes possible to connect appropriately the conducting wires attached to each skin piece, and to maintain the connection state appropriately.
　本発明の乗物用シートについて好適な構成を述べると、前記表皮に覆われた状態の前記クッションパッドにおいて前記縫合ラインと対向する部分には、前記縫合ラインに沿って形成された溝が設けられており、前記接続部は、前記厚み方向において前記溝よりも前記表皮から離れた位置に、前記溝と交差した状態で配置されているとよい。
　上記の構成では、接続部が溝よりも表皮から離れた位置（すなわち、クッションパッドにおける溝の裏側）に配置されている。このような構成であれば、乗物の乗員がシートに着座した際の着座荷重が接続部に掛かるのを効果的に抑制することが可能となる。また、表皮が水や液体によって濡れた際に接続部が水や液体に触れるのを効果的に抑えることが可能となる。 A preferred configuration of the vehicle seat of the present invention will be described. A groove formed along the stitching line is provided in a portion facing the stitching line in the cushion pad covered with the epidermis. And the said connection part is good to be arrange | positioned in the state which cross | intersected the said groove | channel in the position away from the said skin | leather than the said groove | channel in the said thickness direction.
In said structure, the connection part is arrange | positioned in the position (namely, the back side of the groove | channel in a cushion pad) which was separated from the skin rather than the groove | channel. With such a configuration, it is possible to effectively suppress the seating load applied to the connecting portion when the vehicle occupant is seated on the seat. In addition, when the epidermis is wet with water or liquid, it is possible to effectively suppress the connection portion from touching water or liquid.
　本発明の乗物用シートについて好適な構成を述べると、前記溝は、前記表皮のうち、前記縫合ラインが形成された部分を吊り込むために形成された吊り込み溝であるとよい。
　上記の構成では、クッションパッドに形成された吊り込み溝に、表皮のうち、縫合ラインが形成された部分が吊り込まれている。また、接続部が吊り込み溝よりも表皮から離れた位置に配置されている。このような構成であれば、接続部を縫合ラインから離しつつ、接続部と導線との接続状態を適切に保持することが可能となる。 A preferred configuration of the vehicle seat according to the present invention will be described. The groove may be a hanging groove formed to suspend a portion of the epidermis where the stitching line is formed.
In said structure, the part in which the stitching | suture line was formed of the epidermis is suspended in the suspension groove | channel formed in the cushion pad. Moreover, the connection part is arrange | positioned in the position away from the skin rather than the hanging groove. If it is such a structure, it will become possible to hold | maintain the connection state of a connection part and conducting wire appropriately, separating a connection part from a stitching | suture line.
　本発明の乗物用シートについて好適な構成を述べると、前記導線は、前記第一導線及び前記第二導線を電気的に接続するために配置された前記接続部としての電線であり、該電線は、前記クッションパッド内において前記厚み方向及び前記吊り込み溝の形成方向の双方と交差する方向に延出しているとよい。
　上記の構成では、接続部をなす電線が、クッションパッド内において吊り込み溝の裏側で吊り込み溝を横切る方向に延びている。このような構成であれば、電線がクッションパッド内にあるので、電線を保護することが可能となる。 A preferred configuration of the vehicle seat according to the present invention will be described. The conductive wire is an electric wire as the connection portion arranged to electrically connect the first conductive wire and the second conductive wire, and the electric wire is In the cushion pad, the cushion pad may extend in a direction intersecting with both the thickness direction and the hanging groove forming direction.
In said structure, the electric wire which makes a connection part is extended in the direction which crosses a hanging groove in the back side of a hanging groove in a cushion pad. If it is such a structure, since an electric wire exists in a cushion pad, it becomes possible to protect an electric wire.
　本発明の乗物用シートについて好適な構成を述べると、前記導線は、前記第一導線及び前記第二導線を電気的に接続するために配置された前記接続部としての電線であり、前記クッションパッドは、前記厚み方向において前記表皮と対向する側とは反対側に位置する裏面を有し、前記電線は、前記厚み方向において前記裏面よりも前記表皮から離れた位置にあり、前記厚み方向及び前記吊り込み溝の形成方向の双方と交差する方向に延出しているとよい。
　上記の構成では、接続部をなす電線が、クッションパッドの裏面よりも表皮から離れた位置で吊り込み溝を横切る方向に延びている。このような構成であれば、電線が露出している分、電線が取り扱い易くなるので、電線の配設作業がより容易になる。 A preferred configuration of the vehicle seat according to the present invention will be described. The conductive wire is an electric wire as the connecting portion arranged to electrically connect the first conductive wire and the second conductive wire, and the cushion pad. Has a back surface located on a side opposite to the side facing the skin in the thickness direction, and the electric wire is located farther from the skin than the back surface in the thickness direction, and the thickness direction and the It is good to extend in the direction which intersects with both the formation direction of a hanging groove.
In said structure, the electric wire which makes a connection part is extended in the direction which cross | intersects a hanging groove in the position which is separated from the outer skin rather than the back surface of the cushion pad. With such a configuration, since the electric wire is exposed, the electric wire becomes easier to handle, and therefore, the work of arranging the electric wire becomes easier.
　本発明の乗物用シートについて好適な構成を述べると、前記第一導線及び前記第二導線は、前記加熱ヒータの一部をなすヒータ線であり、前記電線は、前記加熱ヒータのうち、前記第一導線及び前記第二導線によって構成される部分以外の部分をなすヒータ線であるとよい。
　上記の構成では、第一導線、第二導線及び電線が加熱ヒータのヒータ線によって構成されている。このような構成であれば、接続部としての電線が加熱ヒータのヒータ線とは別に設けられている構成と比較して、部品点数をより少なくすることが可能となる。 A preferred configuration of the vehicle seat according to the present invention will be described. The first conductor and the second conductor are heater wires that form part of the heater, and the electric wire is the first of the heaters. It is good in it being a heater wire which makes parts other than the part comprised by one conducting wire and said 2nd conducting wire.
In said structure, the 1st conducting wire, the 2nd conducting wire, and the electric wire are comprised by the heater wire of the heater. With such a configuration, the number of parts can be reduced as compared with a configuration in which the electric wire as the connection portion is provided separately from the heater wire of the heater.
　本発明の乗物用シートについて好適な構成を述べると、前記第一導線及び前記第二導線は、前記加熱ヒータの一部をなすヒータ線であり、前記電線は、前記加熱ヒータのヒータ線とは別体をなしているとよい。
　上記の構成では、接続部としての電線が、第一導線及び第二導線をなす加熱ヒータのヒータ線とは別部材として設けられている。このような構成であれば、電線の配設に関する自由度が高まり、電線の配設作業がより容易になる。 A preferred configuration of the vehicle seat according to the present invention will be described. The first conductive wire and the second conductive wire are heater wires that form part of the heater, and the electric wire is a heater wire of the heater. It should be a separate body.
In said structure, the electric wire as a connection part is provided as a member different from the heater wire of the heater which makes a 1st conducting wire and a 2nd conducting wire. With such a configuration, the degree of freedom regarding the arrangement of the electric wires is increased, and the operation of arranging the electric wires becomes easier.
　本発明の乗物用シートについて好適な構成を述べると、前記導線は、前記第一導線に接続された第一導線接続電線と、前記第二導線に接続された第二導線接続電線と、を更に有し、前記電線は、前記第一導線接続電線及び前記第二導線接続電線の各々と連結しているとよい。
　上記の構成では、第一導線に接続された第一導線接続電線と、第二導線に接続された第二導線接続電線と、がそれぞれ設けられている。また、接続部としての電線は、第一導線接続電線及び第二導線接続電線の各々と連結している。このような構成であれば、第一導線接続電線の位置や第二導線接続電線の位置を適宜変えることで、接続部としての電線の設置位置を自由に設定することが可能となる。これにより、電線の配設作業がより一層容易になる。 A preferred configuration of the vehicle seat according to the present invention will be described. The conductive wire further includes a first conductive wire connecting wire connected to the first conductive wire and a second conductive wire connecting wire connected to the second conductive wire. And the electric wire may be coupled to each of the first conductive wire connecting wire and the second conductive wire connecting wire.
In said structure, the 1st conducting wire connection electric wire connected to the 1st conducting wire and the 2nd conducting wire connection electric wire connected to the 2nd conducting wire are each provided. Moreover, the electric wire as a connection part is connected with each of the 1st conducting wire connecting wire and the 2nd conducting wire connecting wire. If it is such a structure, it will become possible to set freely the installation position of the electric wire as a connection part by changing the position of the 1st conducting wire connecting electric wire, and the position of the 2nd conducting wire connecting electric wire suitably. Thereby, the arrangement | positioning operation | work of an electric wire becomes still easier.
　本発明の乗物用シートについて好適な構成を述べると、前記第一導線接続電線及び前記第二導線接続電線の各々は、前記厚み方向において前記クッションパッドを貫通するように延びているとよい。
　上記の構成では、第一導線接続電線及び第二導線接続電線がクッションパッドを貫通するように延びている。このような構成であれば、接続部としての電線を、クッションパッドの裏面よりも表皮から離れた位置により容易に配置することが可能となる。 When describing a preferred configuration for the vehicle seat of the present invention, each of the first conductive wire connecting wire and the second conductive wire connecting wire may extend so as to penetrate the cushion pad in the thickness direction.
In said structure, the 1st conducting wire connection electric wire and the 2nd conducting wire connection electric wire are extended so that a cushion pad may be penetrated. If it is such a structure, it will become possible to arrange | position easily the electric wire as a connection part by the position away from the outer skin rather than the back surface of the cushion pad.
　本発明の乗物用シートについて好適な構成を述べると、前記クッションパッドは、前記厚み方向において前記表皮と対向する側とは反対側に位置する裏面を有し、前記電線は、前記厚み方向において前記裏面に固定されているとよい。
　上記の構成では、接続部としての電線がクッションパッドの裏面に固定されている。これにより、接続部（電線）と導線との接続状態を安定させることが可能となる。 A preferred configuration of the vehicle seat according to the present invention will be described. The cushion pad has a back surface located on a side opposite to the side facing the skin in the thickness direction, and the electric wire extends in the thickness direction. It should be fixed to the back.
In said structure, the electric wire as a connection part is being fixed to the back surface of a cushion pad. Thereby, it becomes possible to stabilize the connection state of a connection part (electric wire) and a conducting wire.
　本発明の乗物用シートによれば、クッションパッドと表皮の間に加熱ヒータを配置し、加熱ヒータ利用時に通電状態となる導線が複数の表皮片のそれぞれに取り付けられている構成において、各表皮片に取り付けられた導線同士を適切に接続し、その接続状態を適切に保持することが可能となる。
　また、本発明の乗物用シートによれば、導線同士を電気的に接続するための接続部に対して、乗物の乗員がシートに着座した際の着座荷重が接続部に掛かるのを効果的に抑制することが可能となる。また、表皮が水や液体によって濡れた際に接続部が水や液体に触れるのを効果的に抑えることが可能となる。
　また、本発明の乗物用シートによれば、接続部を表皮片の縫合ラインから離しつつ、接続部と導線との接続状態を適切に保持することが可能となる。
　また、本発明の乗物用シートによれば、接続部をなす電線がクッションパッド内にあることで、電線を保護することが可能となる。
　また、本発明の乗物用シートによれば、電線がクッションパッドの裏側で露出していることで、電線が取り扱い易くなり、結果として、電線の配設作業がより容易になる。
　また、本発明の乗物用シートによれば、第一導線、第二導線及び電線が加熱ヒータのヒータ線によって構成することで、電線を加熱ヒータのヒータ線とは別に用意する構成と比較して、部品点数がより少なくなる。
　また、本発明の乗物用シートによれば、電線が第一導線及び第二導線をなす加熱ヒータのヒータ線とは別の部材として設けられていることで、電線の配設に関する自由度が高まり、電線の配設作業がより容易になる。
　また、本発明の乗物用シートによれば、第一導線に接続された第一導線接続電線の位置や、第二導線に接続された第二導線接続電線の位置を適宜変えることで、電線の設置位置を自由に設定することができ、結果として、電線の配設作業がより一層容易になる。
　また、本発明の乗物用シートによれば、第一導線接続電線及び第二導線接続電線がクッションパッドを貫通していることで、クッションパッドの裏面よりも表皮から離れた位置に電線を容易に配置することが可能となる。
　また、本発明の乗物用シートによれば、電線をクッションパッドの裏面に固定することで、接続部である電線と導線との接続状態を安定させることが可能となる。 According to the vehicle seat of the present invention, in the configuration in which the heater is disposed between the cushion pad and the skin, and the conductive wire that is energized when the heater is used is attached to each of the plurality of skin pieces. It is possible to properly connect the conductive wires attached to each other and maintain the connection state appropriately.
In addition, according to the vehicle seat of the present invention, it is possible to effectively prevent the seating load when the vehicle occupant is seated on the seat from being applied to the connection portion for electrically connecting the conductors to each other. It becomes possible to suppress. In addition, when the epidermis is wet with water or liquid, it is possible to effectively suppress the connection portion from touching water or liquid.
Moreover, according to the vehicle seat of the present invention, it is possible to appropriately maintain the connection state between the connection portion and the conductive wire while separating the connection portion from the stitch line of the skin piece.
Moreover, according to the vehicle seat of the present invention, the electric wire can be protected because the electric wire forming the connecting portion is in the cushion pad.
Moreover, according to the vehicle seat of the present invention, since the electric wire is exposed on the back side of the cushion pad, the electric wire can be easily handled, and as a result, the operation of arranging the electric wire becomes easier.
Moreover, according to the vehicle seat of the present invention, the first conductor, the second conductor, and the electric wire are constituted by the heater wire of the heater, so that the electric wire is prepared separately from the heater wire of the heater. The number of parts is reduced.
Moreover, according to the vehicle seat of the present invention, since the electric wire is provided as a member different from the heater wire of the heater that forms the first conductive wire and the second conductive wire, the degree of freedom regarding the arrangement of the electric wire is increased. The arrangement work of the electric wire becomes easier.
Moreover, according to the vehicle seat of the present invention, by appropriately changing the position of the first conductor connection electric wire connected to the first conductor and the position of the second conductor connection electric wire connected to the second conductor, The installation position can be freely set, and as a result, the work of arranging the electric wires is further facilitated.
In addition, according to the vehicle seat of the present invention, the first conductive wire connecting wire and the second conductive wire connecting wire penetrate the cushion pad, so that the wire can be easily placed at a position farther from the skin than the back surface of the cushion pad. It becomes possible to arrange.
Moreover, according to the vehicle seat of the present invention, it is possible to stabilize the connection state between the electric wire as the connecting portion and the conductive wire by fixing the electric wire to the back surface of the cushion pad.
本発明の一実施形態に係る乗物用シートの全体図である。1 is an overall view of a vehicle seat according to an embodiment of the present invention. 乗物用シートのフレームを示す図である。It is a figure which shows the flame | frame of the vehicle seat. クッションパッドと加熱ヒータのヒータ線との位置関係を示す図である。It is a figure which shows the positional relationship of a cushion pad and the heater wire of a heater. 本発明の一実施形態に係る表皮の構成を示す図である（その１）。It is a figure which shows the structure of the skin which concerns on one Embodiment of this invention (the 1). 本発明の一実施形態に係る表皮の構成を示す図である（その２）。It is a figure which shows the structure of the skin which concerns on one Embodiment of this invention (the 2). 加熱ヒータのヒータ線同士を電気的に接続するための構造についての第一例を示す図である。It is a figure which shows the 1st example about the structure for electrically connecting the heater wires of a heater. ヒータ線から延出した導線と電線との接続方法についての説明図である。It is explanatory drawing about the connection method of the conducting wire and electric wire extended from the heater wire. ヒータ線から延出した導線と電線との接続方法に関する変形例についての説明図である。It is explanatory drawing about the modification regarding the connection method of the conducting wire and electric wire extended from the heater wire. 加熱ヒータのヒータ線同士を電気的に接続するための構造についての第二例を示す図である。It is a figure which shows the 2nd example about the structure for electrically connecting the heater wires of a heater. 加熱ヒータのヒータ線同士を電気的に接続するための構造についての第三例を示す図である。It is a figure which shows the 3rd example about the structure for electrically connecting the heater wires of a heater. 加熱ヒータのヒータ線同士を電気的に接続するための構造についての第四例を示す図である。It is a figure which shows the 4th example about the structure for electrically connecting the heater wires of a heater. ヒータ線から延出した導線同士を接続する方法のバリエーションを示す図である。It is a figure which shows the variation of the method of connecting the conducting wires extended from the heater wire.
　以下、本発明の一実施形態（本実施形態）について説明する。以下では、車両に搭載されるシート(車両用シート)を、本実施形態に係る乗物用シートの具体例に挙げて説明することとする。ただし、本発明は、車両用シート以外の乗物用シート、例えば、自動二輪車、あるいは船舶や航空機に搭載されるシートにも適用され得る。 Hereinafter, an embodiment (this embodiment) of the present invention will be described. Hereinafter, a seat (vehicle seat) mounted on a vehicle will be described as a specific example of the vehicle seat according to the present embodiment. However, the present invention can also be applied to a vehicle seat other than a vehicle seat, for example, a seat mounted on a motorcycle, a ship or an aircraft.
　以下の説明中、「前後方向」とは、車両用シートの前後方向であり、車両走行時の進行方向と一致する方向である。また、「シート幅方向」とは、車両用シートの幅方向であり、車両用シートに着座した乗員から見た左右方向と一致する方向である。また、「上下方向」とは、車両用シートの上下方向であり、車両が水平面を走行しているときには鉛直方向と一致する方向である。また、「厚み方向」とは、後述するクッションパッド１の厚み方向を意味し、車両用シートが車両に搭載された状態では、上下方向と一致する方向である。 In the following description, the “front-rear direction” is the front-rear direction of the vehicle seat and is the direction that coincides with the traveling direction during vehicle travel. Further, the “seat width direction” is the width direction of the vehicle seat and is the direction that coincides with the left-right direction viewed from the occupant seated on the vehicle seat. The “vertical direction” is the vertical direction of the vehicle seat, and is the direction that coincides with the vertical direction when the vehicle is traveling on a horizontal plane. Further, the “thickness direction” means a thickness direction of the cushion pad 1 described later, and is a direction that coincides with the vertical direction when the vehicle seat is mounted on the vehicle.
　また、以下に説明する各部品の向き、位置及び姿勢等については、特に断る場合を除き、車両用シートが車両に搭載された状態での内容となっている。 In addition, the direction, position, orientation, and the like of each component described below are the contents when the vehicle seat is mounted on the vehicle, unless otherwise specified.
　＜＜本実施形態に係る車両用シートの全体構成＞＞
　本実施形態に係る車両用シート（以下、車両用シートＳ）の全体構成について図１～図５を参照しながら説明する。図１は、車両用シートＳの斜視図である。同図には、破線にて加熱ヒータ４が図示されている。図２は、車両用シートＳのフレームを示す斜視図である。図３は、クッションパッド１と加熱ヒータ４のヒータ線４ａとの位置関係を示す平面図である。図４Ａ及び図４Ｂは、本実施形態に係る表皮２の構成を示す模式図であり、図４Ａは、表皮２の側方断面図であり、図４Ｂは、表皮２の模式展開図である。図５は、シートクッションＳ１における吊り込み溝１ａ周辺の構成を示す模式断面図である。 << Overall configuration of vehicle seat according to this embodiment >>
An overall configuration of a vehicle seat (hereinafter, vehicle seat S) according to the present embodiment will be described with reference to FIGS. FIG. 1 is a perspective view of a vehicle seat S. FIG. In the figure, the heater 4 is shown by broken lines. FIG. 2 is a perspective view showing a frame of the vehicle seat S. FIG. FIG. 3 is a plan view showing the positional relationship between the cushion pad 1 and the heater wire 4 a of the heater 4. 4A and 4B are schematic views showing the configuration of the skin 2 according to the present embodiment, FIG. 4A is a side sectional view of the skin 2, and FIG. 4B is a schematic development view of the skin 2. FIG. 5 is a schematic cross-sectional view showing a configuration around the hanging groove 1a in the seat cushion S1.
　車両用シートＳは、図１に示すように、シートクッションＳ１、シートバックＳ２及びヘッドレストＳ３を有する。シートクッションＳ１は、図２に図示のシートクッションフレームＦ１の上に、図３に図示のクッションパッド１を載置し、クッションパッド１の表面を表皮２で覆うことによって構成されている。 The vehicle seat S has a seat cushion S1, a seat back S2, and a headrest S3 as shown in FIG. The seat cushion S1 is configured by placing the cushion pad 1 illustrated in FIG. 3 on the seat cushion frame F1 illustrated in FIG. 2 and covering the surface of the cushion pad 1 with the skin 2.
　シートクッションフレームＦ１は、図２に示すように、左右一対のサイドフレームＦｓと、各サイドフレームＦｓの前端部同士を連結しているパンフレームＦｐと、を有する。サイドフレームＦｓの間には、シート幅方向に延出した支持バネＦｒが架設されている。支持バネＦｒは、例えばＳバネからなり、パンフレームＦｐよりも後方に位置し、前後方向に沿って複数設けられている。 As shown in FIG. 2, the seat cushion frame F1 includes a pair of left and right side frames Fs and a pan frame Fp that connects the front ends of the side frames Fs. A support spring Fr extending in the seat width direction is installed between the side frames Fs. The support springs Fr are made of, for example, S springs, are located behind the pan frame Fp, and are provided in a plurality along the front-rear direction.
　クッションパッド１は、発泡ウレタン等からなるパッド部材であり、所定形状に成形されている。クッションパッド１の上面には、直線状に形成された吊り込み溝１ａが複数形成されている。吊り込み溝１ａは、クッションパッド１を表皮２にて覆う際に表皮２を張るために表皮２の一部を吊り込むために形成された溝であり、図３に示すようにシート幅方向あるいは前後方向に延出している。 The cushion pad 1 is a pad member made of urethane foam or the like, and is molded into a predetermined shape. On the upper surface of the cushion pad 1, a plurality of hanging grooves 1a formed in a straight line are formed. The suspension groove 1a is a groove formed to suspend a part of the skin 2 in order to stretch the skin 2 when the cushion pad 1 is covered with the skin 2, and as shown in FIG. It extends in the front-rear direction.
　なお、以下では、クッションパッド１の上面及び側面（厚み方向において表皮２と対向する側の面）を対向面１ｓと呼び、クッションパッド１の下面（厚み方向において表皮２と対向する側とは反対側に位置する面）を裏面１ｔと呼ぶこととする。 Hereinafter, the upper surface and side surfaces (surfaces facing the skin 2 in the thickness direction) of the cushion pad 1 are referred to as facing surfaces 1 s, and are opposite to the lower surfaces (surfaces facing the skin 2 in the thickness direction) of the cushion pad 1. The surface located on the side is referred to as the back surface 1t.
　表皮２は、複数の断片化された表皮（以下、表皮片２ａ）によって構成されている。複数の表皮片２ａの各々は、皮革や布によって構成されている。また、図４Ａに示すように、各表皮片２ａの裏側にはスラブ５が縫い付けられている。スラブ５は、通気性を備えたウレタンスラブからなり、表皮片２ａと一体化している。 The epidermis 2 is composed of a plurality of fragmented epidermis (hereinafter, epidermis piece 2a). Each of the plurality of skin pieces 2a is made of leather or cloth. Moreover, as shown to FIG. 4A, the slab 5 is sewn on the back side of each skin piece 2a. The slab 5 is made of a urethane slab having air permeability, and is integrated with the skin piece 2a.
　表皮２は、図４Ｂに示すように複数の表皮片２ａを縫合することで構成されている。したがって、表皮２には、表皮片２ａ同士を縫合することで形成された縫合ラインＬ（図４Ｂ中、太線状の破線にて表記）が備えられている。縫合ラインＬは、線状に長く形成されている。なお、縫合ラインＬの数、配置位置、長さ及び形成方向については、図４Ａに図示の内容に限定されるものではなく、シートデザインに応じて任意に設計してもよい。 The skin 2 is constituted by stitching a plurality of skin pieces 2a as shown in FIG. 4B. Accordingly, the epidermis 2 is provided with a stitching line L (shown by a thick broken line in FIG. 4B) formed by stitching the skin pieces 2a together. The stitching line L is formed in a linear shape. Note that the number, the arrangement position, the length, and the formation direction of the stitching lines L are not limited to the contents illustrated in FIG. 4A and may be arbitrarily designed according to the sheet design.
　ここで、クッションパッド１の構成を表皮２との関係から改めて説明すると、クッションパッド１が表皮２にて覆われた状態では、クッションパッド１において縫合ラインＬの直下に位置する部分には上述の吊り込み溝１ａが存在している。つまり、表皮２に覆われた状態のクッションパッド１において縫合ラインＬと対向する部分には、縫合ラインＬに沿って吊り込み溝１ａが設けられている。 Here, the structure of the cushion pad 1 will be described again from the relationship with the skin 2. When the cushion pad 1 is covered with the skin 2, the portion of the cushion pad 1 that is located immediately below the stitching line L is not described above. A hanging groove 1a exists. That is, in the cushion pad 1 covered with the epidermis 2, a hanging groove 1 a is provided along the stitching line L at a portion facing the stitching line L.
　吊り込み溝１ａには、図５に示すように、表皮２のうち、縫合ラインＬが形成された部分（厳密には、重ね合わされた上で縫合された２つの表皮片２ａの端末部分）が吊り込まれる。表皮２のうち、吊り込み溝１ａに吊り込まれた部分は、公知の固定手段によって吊り込み溝１ａ内に固定されている。 In the hanging groove 1a, as shown in FIG. 5, a portion of the epidermis 2 where the stitching line L is formed (strictly speaking, the end portions of the two epidermis pieces 2a stitched together after being overlapped). Suspended. A portion of the skin 2 that is suspended in the suspension groove 1a is fixed in the suspension groove 1a by a known fixing means.
　具体的に説明すると、図５に図示の構成では、クッションパッド１において吊り込み溝１ａの底部に吊り込み溝１ａに沿ってインサートワイヤ３が配置されている。そして、インサートワイヤ３において吊り込み溝１ａ内で露出している部分に、表皮２のうち、吊り込み溝１ａ内に吊り込まれた部分が掛け止めされている。これにより、表皮２のうち、縫合ラインＬが形成された部分が吊り込み溝１ａ内で固定されている。 More specifically, in the configuration shown in FIG. 5, the insert wire 3 is arranged along the hanging groove 1 a at the bottom of the hanging groove 1 a in the cushion pad 1. A portion of the skin 2 that is suspended in the hanging groove 1a is hooked to a portion of the insert wire 3 that is exposed in the hanging groove 1a. Thereby, the part in which the sewing line L was formed among the epidermis 2 is being fixed in the hanging groove | channel 1a.
　本実施形態に係るシートクッションＳ１内には、図１に示すように、シート用暖房機器としての加熱ヒータ４が配設されている。加熱ヒータ４は、通電することで加熱するヒータ線４ａ（電熱線）を主たる構成要として有する。ヒータ線４ａは、図５に示すように、厚み方向において表皮２とクッションパッド１との間に配置されている。すなわち、本実施形態では、表皮２の直下位置に加熱ヒータ４が配置されており、シートクッションＳ１の表面（着座面）を効果的に加温することが可能である。 In the seat cushion S1 according to the present embodiment, as shown in FIG. 1, a heater 4 as a seat heating device is disposed. The heater 4 has a heater wire 4a (electric heating wire) that is heated by energization as a main component. As shown in FIG. 5, the heater wire 4 a is disposed between the skin 2 and the cushion pad 1 in the thickness direction. That is, in the present embodiment, the heater 4 is disposed immediately below the skin 2, and the surface (sitting surface) of the seat cushion S1 can be effectively heated.
　シートクッションＳ１内には、図３及び図５等に記載されているように、加熱ヒータ４への給電用の導線６が配設されている。この導線６には、加熱ヒータ４の一部をなすヒータ線４ａと、ヒータ線４ａと電気的に接続された電線７と、不図示の電源からヒータ線４ａまでの送電経路をなすケーブルとが含まれている。これらの導線６は、加熱ヒータ４の利用時に通電状態となる。そして、各種の導線６が通電状態となることでヒータ線４ａが加熱されるようになる。 In the seat cushion S1, a conductive wire 6 for supplying power to the heater 4 is disposed as described in FIG. 3 and FIG. The conductor 6 includes a heater wire 4a that forms part of the heater 4, an electric wire 7 that is electrically connected to the heater wire 4a, and a cable that forms a power transmission path from a power source (not shown) to the heater wire 4a. include. These conducting wires 6 are energized when the heater 4 is used. And when the various conducting wires 6 are energized, the heater wire 4a is heated.
　＜＜加熱ヒータの構成について＞＞
　次に、車両用シートＳのシートクッションＳ１内に設置された加熱ヒータ４の構成について、図３～図５を参照しながら説明する。 << About the structure of the heater >>
Next, the configuration of the heater 4 installed in the seat cushion S1 of the vehicle seat S will be described with reference to FIGS.
　加熱ヒータ４の構成について説明するにあたり、クッションパッド１及び表皮２の構成について改めて説明すると、シート幅方向におけるクッションパッド１の中央部分には、前後方向に２つの吊り込み溝１ａが形成されている。ここで、前後方向において吊り込み溝１ａを境にして、クッションパッド１のシート幅方向中央部分を三つの領域（前方領域１１、中央領域１２、後方領域１３）に分けることとする。 In describing the configuration of the heater 4, the configuration of the cushion pad 1 and the skin 2 will be described again. In the central portion of the cushion pad 1 in the seat width direction, two hanging grooves 1 a are formed in the front-rear direction. . Here, the central part in the seat width direction of the cushion pad 1 is divided into three regions (a front region 11, a central region 12, and a rear region 13) with the hanging groove 1a as a boundary in the front-rear direction.
　表皮２は、三分割されたクッションパッド１のシート幅方向中央部分の各領域と対応する表皮片２ａを、領域別に有している。具体的に説明すると、表皮２を構成する複数の表皮片２ａには、前方領域１１を覆う表皮片２ａ（以下、前方表皮片２１）と、中央領域１２を覆う表皮片２ａ（以下、中央表皮片２２）と、後方領域１３を覆う表皮片２ａ（以下、後方表皮片２３）とが含まれている。 The skin 2 has a skin piece 2a corresponding to each region of the central portion of the cushion pad 1 divided into three in the seat width direction. More specifically, the plurality of skin pieces 2a constituting the skin 2 are divided into a skin piece 2a covering the front region 11 (hereinafter referred to as the front skin piece 21) and a skin piece 2a covering the central region 12 (hereinafter referred to as the center skin). A piece 22) and a skin piece 2a (hereinafter, the back skin piece 23) covering the rear region 13 are included.
　前方表皮片２１の後端部と中央表皮片２２の前端部とが縫合され、両表皮片２１、２２が重なり合う箇所に、シート幅方向に沿う縫合ラインＬが形成されている。なお、前方表皮片２１と中央表皮片２２との関係では、前方表皮片２１が第一表皮片に相当し、中央表皮片２２が第二表皮片に相当する。ここで、第一表皮片及び第二表皮片とは、２つの表皮片２ａの関係を規定する上で便宜的に決めるものである。具体的に説明すると、２つの表皮片２ａのうちの一方を第一表皮片として設定した場合には、他方が必然的に第二表皮片となる。 The rear end portion of the front skin piece 21 and the front end portion of the central skin piece 22 are stitched together, and a stitching line L along the sheet width direction is formed at a location where the both skin pieces 21 and 22 overlap. In the relationship between the front skin piece 21 and the central skin piece 22, the front skin piece 21 corresponds to the first skin piece, and the central skin piece 22 corresponds to the second skin piece. Here, the first skin piece and the second skin piece are determined for convenience in defining the relationship between the two skin pieces 2a. More specifically, when one of the two skin pieces 2a is set as the first skin piece, the other is necessarily the second skin piece.
　同様に、中央表皮片２２の後端部と後方表皮片２３の前端部とが縫合され、両表皮片２２、２３が重なり合う箇所に、シート幅方向に沿う縫合ラインＬが形成されている。なお、中央表皮片２２と後方表皮片２３との関係では、中央表皮片２２が第一表皮片に相当し、後方表皮片２３が第二表皮片に相当する。 Similarly, the rear end portion of the central skin piece 22 and the front end portion of the rear skin piece 23 are stitched together, and a stitching line L along the sheet width direction is formed at a location where both skin pieces 22 and 23 overlap. In the relationship between the central skin piece 22 and the rear skin piece 23, the central skin piece 22 corresponds to the first skin piece, and the rear skin piece 23 corresponds to the second skin piece.
　以上のように構成された表皮２とクッションパッド１との間に加熱ヒータ４が配置されている。厳密に説明すると、図３に示すように、クッションパッド１のシート幅方向中央部分とその直上位置にある表皮片２ａとの間に加熱ヒータ４を構成するヒータ線４ａが配置されている。 A heater 4 is disposed between the skin 2 and the cushion pad 1 configured as described above. If it demonstrates strictly, as shown in FIG. 3, the heater wire 4a which comprises the heater 4 is arrange | positioned between the sheet | seat piece 2a in the seat width direction center part of the cushion pad 1, and the position right above it.
　より詳しく説明すると、図４Ａに示すように、前方表皮片２１、中央表皮片２２及び後方表皮片２３の各々の裏側に縫い付けられたスラブ５内には、ヒータ線４ａがインサートされている。つまり、本実施形態では、ヒータ線４ａが取り付けられている表皮片２ａが複数存在している。 More specifically, as shown in FIG. 4A, a heater wire 4a is inserted into the slab 5 sewn on the back side of each of the front skin piece 21, the central skin piece 22 and the rear skin piece 23. That is, in this embodiment, there are a plurality of skin pieces 2a to which the heater wires 4a are attached.
　ここで、前方表皮片２１と中央表皮片２２との関係において、前方表皮片２１に取り付けられたヒータ線４ａは、第一導線に相当し、中央表皮片２２に取り付けられたヒータ線４ａは、第二導線に相当する。また、中央表皮片２２と後方表皮片２３との関係において、中央表皮片２２に取り付けられたヒータ線４ａは、第一導線に相当し、後方表皮片２３に取り付けられたヒータ線４ａは、第二導線に相当する。 Here, in the relationship between the front skin piece 21 and the central skin piece 22, the heater wire 4a attached to the front skin piece 21 corresponds to the first conductor, and the heater wire 4a attached to the central skin piece 22 is Corresponds to the second conductor. Further, in the relationship between the central skin piece 22 and the rear skin piece 23, the heater wire 4a attached to the central skin piece 22 corresponds to the first conductor, and the heater wire 4a attached to the rear skin piece 23 is Corresponds to two conductors.
　なお、第一導線及び第二導線とは、各表皮片２ａに取り付けられたヒータ線４ａを区別する上で便宜的に決めるものである。具体的に説明すると、２つの表皮片２ａのうちの一方（第一表皮片）に取り付けられたヒータ線４ａを第一導線として設定すると、他方の表皮片２ａ（第二表皮片）に取り付けられたヒータ線４ａが必然的に第二導線となる。 The first conductor and the second conductor are determined for convenience in distinguishing the heater wire 4a attached to each skin piece 2a. Specifically, if the heater wire 4a attached to one of the two skin pieces 2a (first skin piece) is set as the first conductor, it is attached to the other skin piece 2a (second skin piece). The heater wire 4a inevitably becomes the second conductor.
　スラブ５内にインサートされたヒータ線４ａは、図４Ｂに示すように、スラブ５の表面（厳密には厚み方向における表面）に沿って蛇行するように配設されている。また、ヒータ線４ａは、表皮片２ａ間で分かれている。具体的に説明すると、前方表皮片２１に取り付けられたヒータ線４ａ（第一導線）と、中央表皮片２２に取り付けられたヒータ線４ａ（第二導線）とは、両表皮片２１、２２の間に形成された縫合ラインＬを挟んで互いに反対側に位置している。また、中央表皮片２２に取り付けられたヒータ線４ａ（第一導線）と、後方表皮片２３に取り付けられたヒータ線４ａ（第二導線）とは、両表皮片２２、２３の間に形成された縫合ラインＬを挟んで互いに反対側に位置している。 The heater wire 4a inserted in the slab 5 is arranged to meander along the surface of the slab 5 (strictly, the surface in the thickness direction) as shown in FIG. 4B. The heater wire 4a is divided between the skin pieces 2a. More specifically, the heater wire 4a (first conducting wire) attached to the front skin piece 21 and the heater wire 4a (second conducting wire) attached to the central skin piece 22 They are located on opposite sides of each other with a suture line L formed therebetween. The heater wire 4a (first conductor) attached to the central skin piece 22 and the heater wire 4a (second conductor) attached to the rear skin piece 23 are formed between both skin pieces 22, 23. The suture lines L are located on opposite sides of each other.
　縫合ラインＬを挟んで互いに反対側に位置したヒータ線４ａ同士は、後述する接続部を介して電気的に接続されている。これにより、不図示のヒータ用電源から電力が供給されると、縫合ラインＬを挟んで互いに反対側に位置した２つのヒータ線４ａの双方が通電状態となる。 The heater wires 4a positioned on opposite sides of the stitching line L are electrically connected to each other through a connecting portion described later. As a result, when power is supplied from a heater power supply (not shown), both of the two heater wires 4a positioned on opposite sides of the stitching line L are energized.
　＜＜ヒータ線の接続構造＞＞
　縫合ラインＬを挟んで互いに反対側に位置した２つのヒータ線４ａを電気的に接続するための接続構造について、複数の例（第一例～第四例）を挙げて説明する。なお、前方表皮片２１及び中央表皮片２２の各々に取り付けられたヒータ線４ａ同士を接続するための接続構造と、中央表皮片２２及び後方表皮片２３の各々に取り付けられたヒータ線４ａ同士を接続するための接続構造と、は、略同様である。このため、以下では、前方表皮片２１及び中央表皮片２２の各々に取り付けられたヒータ線４ａ同士を接続するための接続構造についてのみ説明することとする。 << Heater wire connection structure >>
A connection structure for electrically connecting two heater wires 4a located on opposite sides of the stitching line L will be described with reference to a plurality of examples (first to fourth examples). The connection structure for connecting the heater wires 4a attached to each of the front skin piece 21 and the central skin piece 22 and the heater wires 4a attached to each of the center skin piece 22 and the rear skin piece 23 are connected. The connection structure for connection is substantially the same. For this reason, below, only the connection structure for connecting the heater wires 4a attached to each of the front skin piece 21 and the central skin piece 22 will be described.
　（第一例の接続構造）
　第一例の接続構造について図３、図５～図７を参照しながら説明する。図６は、ヒータ線４ａから延出した導線と電線７との接続方法を示す図であり、図５中の破線で囲まれた部分の詳細構造を示す図である。図７は、ヒータ線４ａから延出した導線と電線７との接続方法についての変形例を示す図である。 (Connection structure of the first example)
The connection structure of the first example will be described with reference to FIGS. 3 and 5 to 7. FIG. 6 is a diagram showing a connection method between the conductor wire extending from the heater wire 4a and the electric wire 7, and is a diagram showing a detailed structure of a portion surrounded by a broken line in FIG. FIG. 7 is a view showing a modified example of a method for connecting the conductive wire extending from the heater wire 4 a and the electric wire 7.
　第一例では、図３及び図５に図示したように、ヒータ線４ａ同士を電気的に接続させるための導線６として、電線７、第一導線接続電線８及び第二導線接続電線９が用いられている。これらの導線６は、加熱ヒータ４のヒータ線４ａと別体をなしている。第一導線接続電線８及び第二導線接続電線９は、一般的な電線（例えば、被覆付導線）からなる。第一導線接続電線８は、前方表皮片２１に取り付けられたヒータ線４ａの端部（具体的には、前方表皮片２１の後端側に位置するヒータ線４ａの端部）に接合されている。第二導線接続電線９は、中央表皮片２２に取り付けられたヒータ線４ａの端部（具体的には、中央表皮片２２の前端側に位置するヒータ線４ａの端部）に接合されている。 In the first example, as illustrated in FIGS. 3 and 5, the electric wire 7, the first electric wire connecting electric wire 8, and the second electric wire connecting electric wire 9 are used as the electric wires 6 for electrically connecting the heater wires 4 a to each other. It has been. These conducting wires 6 are separate from the heater wire 4 a of the heater 4. The first conducting wire connecting electric wire 8 and the second conducting wire connecting electric wire 9 are made of general electric wires (for example, coated conducting wires). The first conductor connecting wire 8 is joined to the end of the heater wire 4a attached to the front skin piece 21 (specifically, the end of the heater wire 4a located on the rear end side of the front skin piece 21). Yes. The second conductor connecting wire 9 is joined to the end of the heater wire 4a attached to the central skin piece 22 (specifically, the end of the heater wire 4a located on the front end side of the central skin piece 22). .
　なお、第一導線接続電線８及び第二導線接続電線９の各々とヒータ線４ａとの接合方式については、例えば、カシメや半田による接合方式が利用可能である。 In addition, about the joining method of each of the 1st conducting wire connection electric wire 8 and the 2nd conducting wire connection electric wire 9, and the heater wire 4a, the joining method by caulking or soldering can be utilized, for example.
　また、第一導線接続電線８及び第二導線接続電線９の各々は、厚み方向においてクッションパッド１を貫通するように延びている。具体的に説明すると、図５に示すように、前方領域１１及び中央領域１２の各々において吊り込み溝１ａ付近の位置に、クッションパッド１を貫通する貫通穴１ｂが設けられている。貫通穴１ｂに第一導線接続電線８や第二導線接続電線９がクッションパッド１の上面側から通されている。貫通穴１ｂに通された第一導線接続電線８及び第二導線接続電線９は、図５に示すように、クッションパッド１の下面（すなわち、裏面１ｔ）よりも下方に突出している。 Moreover, each of the 1st conducting wire connection electric wire 8 and the 2nd conducting wire connection electric wire 9 is extended so that the cushion pad 1 may be penetrated in the thickness direction. Specifically, as shown in FIG. 5, a through hole 1 b that penetrates the cushion pad 1 is provided at a position near the hanging groove 1 a in each of the front region 11 and the central region 12. The first conducting wire connecting wire 8 and the second conducting wire connecting wire 9 are passed through the through hole 1b from the upper surface side of the cushion pad 1. As shown in FIG. 5, the first conducting wire connecting wire 8 and the second conducting wire connecting wire 9 passed through the through hole 1 b protrude below the lower surface (that is, the back surface 1 t) of the cushion pad 1.
　電線７は、やや太径となった金属ワイヤからなる。そして、電線７は、第一例においてヒータ線４ａ同士を電気的に接続させるための接続部として機能する。具体的に説明すると、電線７は、図５に示すように、クッションパッド１の裏側（厚み方向においてクッションパッド１の裏面１ｔよりも表皮２から離れた位置）に配置されている。かかる配置位置において、電線７は、クッションパッド１の裏面１ｔよりも下方に突出した第一導線接続電線８及び第二導線接続電線９の各々と連結している。 The electric wire 7 is made of a metal wire having a slightly larger diameter. And the electric wire 7 functions as a connection part for connecting the heater wires 4a electrically in the first example. Specifically, as shown in FIG. 5, the electric wire 7 is disposed on the back side of the cushion pad 1 (a position farther from the skin 2 than the back surface 1 t of the cushion pad 1 in the thickness direction). In this arrangement position, the electric wire 7 is connected to each of the first conductive wire connecting electric wire 8 and the second conductive wire connecting electric wire 9 protruding downward from the back surface 1 t of the cushion pad 1.
　電線７は、図５に示すように、クッションパッド１の裏面１ｔよりも下方位置で吊り込み溝１ａを横切るように配置されている。つまり、電線７は、厚み方向において吊り込み溝１ａよりも表皮２から離れた位置にあり、吊り込み溝１ａと交差した状態で配置されている。厳密には、電線７は、厚み方向及び吊り込み溝１ａの形成方向（具体的には、シート幅方向）の双方と交差する方向に延出している。 As shown in FIG. 5, the electric wire 7 is disposed so as to cross the hanging groove 1 a at a position lower than the back surface 1 t of the cushion pad 1. That is, the electric wire 7 is located at a position farther from the skin 2 than the hanging groove 1a in the thickness direction, and is arranged in a state intersecting with the hanging groove 1a. Strictly speaking, the electric wire 7 extends in a direction intersecting both the thickness direction and the forming direction of the hanging groove 1a (specifically, the sheet width direction).
　なお、電線７は、その延出方向が吊り込み溝１ａに対して直交するように配置されていてもよく、あるいは、吊り込み溝１ａに対して傾斜した状態で（つまり、吊り込み溝１ａに対する角度が鋭角又は鈍角となるように）配置されていてもよい。 In addition, the electric wire 7 may be arrange | positioned so that the extension direction may be orthogonal to the suspending groove 1a, or in the state inclined with respect to the suspending groove 1a (that is, with respect to the suspending groove 1a). (The angle may be acute or obtuse).
　そして、電線７の一端部は、クッションパッド１の前方領域１１の裏面１ｔよりも下方位置にあり、貫通穴１ｂから突出した第一導線接続電線８の端部に接合されている。同様に、電線７の他端部は、クッションパッド１の中央領域１２の裏面１ｔよりも下方位置にあり、貫通穴１ｂから下方に出た第二導線接続電線９の端部に接合されている。 And the one end part of the electric wire 7 exists in the position below the back surface 1t of the front area | region 11 of the cushion pad 1, and is joined to the edge part of the 1st conducting wire connection electric wire 8 which protruded from the through hole 1b. Similarly, the other end portion of the electric wire 7 is located below the back surface 1t of the central region 12 of the cushion pad 1 and is joined to the end portion of the second conductive wire connecting electric wire 9 protruding downward from the through hole 1b. .
　なお、第一導線接続電線８及び第二導線接続電線９の各々と電線７との連結方式については、例えば図６に図示の連結方式が利用可能であり、具体的には、両線をカシメた上で半田にて接合し、その後、熱収縮チューブＫにて接合箇所を被覆してもよい。 In addition, about the connection system of each of the 1st conducting wire connection electric wire 8 and the 2nd conducting wire connection electric wire 9, and the electric wire 7, the coupling system shown in FIG. 6 can be utilized, for example, Specifically, both lines are crimped. After joining with solder, the joint portion may be covered with the heat shrinkable tube K.
　第一導線接続電線８及び第二導線接続電線９の各々と電線７との連結方式については、図７に図示の連結方式も利用可能である。図７に図示の連結方式について説明すると、貫通穴１ｂから下方に出た第一導線接続電線８及び第二導線接続電線９の端部がブロック状のコネクタＣに組み付けられている。コネクタＣには挿入孔が形成されており、この挿入孔に第一導線接続電線８や第二導線接続電線９の端部が挿入される。また、コネクタＣには、図７に示すように略円柱状に刳り貫かれた凹部が形成されている。この凹部には電線７の端部が嵌合される。 As for the connection method between each of the first conductor connection wire 8 and the second conductor connection wire 9 and the wire 7, the connection method illustrated in FIG. 7 can also be used. 7 will be described. The ends of the first conductor connecting wire 8 and the second conductor connecting wire 9 that protrude downward from the through hole 1b are assembled to the block connector C. FIG. An insertion hole is formed in the connector C, and the end portions of the first conductor connection electric wire 8 and the second conductor connection electric wire 9 are inserted into the insertion hole. Further, as shown in FIG. 7, the connector C is formed with a concave portion penetrating in a substantially cylindrical shape. The end of the electric wire 7 is fitted into this recess.
　また、コネクタＣにおいて上記の挿入孔及び凹部は、互いに連通しており、第一導線接続電線８や第二導線接続電線９の端部が挿入孔に挿入された状態では、第一導線接続電線８や第二導線接続電線９の一部が凹部に臨んで露出している。かかる状態で電線７が凹部に嵌合されると、電線７が第一導線接続電線８や第二導線接続電線９と接触し、電気的に接続されるようになる。 Further, in the connector C, the insertion hole and the recess are in communication with each other, and in a state where the end portions of the first conductive wire connecting wire 8 and the second conductive wire connecting wire 9 are inserted into the insertion holes, the first conductive wire connecting wire. 8 and a part of the second conducting wire connecting electric wire 9 are exposed facing the recess. When the electric wire 7 is fitted in the recess in this state, the electric wire 7 comes into contact with the first conducting wire connecting wire 8 and the second conducting wire connecting wire 9 and is electrically connected.
　第一導線接続電線８及び第二導線接続電線９の各々と電線７との連結方式については、図６や図７に図示した方式に限定されず、これら以外の連結方式を用いてもよい。 The connection method between each of the first conductive wire connection electric wire 8 and the second conductive wire connection electric wire 9 and the electric wire 7 is not limited to the method illustrated in FIGS. 6 and 7, and other connection methods may be used.
　以上のように第一例では、接続部としての電線７がクッションパッド１を挟んで表皮２とは反対側に位置する。換言すると、厚み方向において電線７と表皮２との間にはクッションパッド１の一部が配置されている。このような構成であれば、車両の乗員が車両用シートＳに着座した際にシートクッションＳ１に掛かる荷重（着座荷重）が電線７まで伝わるのを抑えることが可能となる。これにより、着座荷重による電線７の脱落や損傷が抑制されることになる。 As described above, in the first example, the electric wire 7 as the connecting portion is located on the opposite side of the skin 2 with the cushion pad 1 interposed therebetween. In other words, a part of the cushion pad 1 is disposed between the electric wire 7 and the skin 2 in the thickness direction. With such a configuration, it is possible to suppress the load (sitting load) applied to the seat cushion S1 when the vehicle occupant is seated on the vehicle seat S from being transmitted to the electric wire 7. Thereby, dropping and damage of the electric wire 7 due to the seating load are suppressed.
　また、電線７の上方にクッションパッド１が存在しているので、例えば表皮２が水や液体によって濡れた場合であっても、電線７が水や液体に触れるのを抑え、これに起因した電線７の腐食進行を阻止することが可能となる。 Moreover, since the cushion pad 1 exists above the electric wire 7, even if the skin 2 is wet with water or liquid, for example, the electric wire 7 is prevented from touching water or liquid, and the electric wire resulting therefrom 7 can be prevented from proceeding.
　なお、第一例において、電線７は、クッションパッド１の裏面１ｔに固定されている。固定方式については、特に限定されるものではなく、例えば接着剤による接着であってもよく、あるいはクリップ等の固定具によって固定してもよい。また、裏面１ｔ中、電線７が固定される箇所を窪ませ、当該窪み内に電線７を配置してもよい。 In the first example, the electric wire 7 is fixed to the back surface 1t of the cushion pad 1. The fixing method is not particularly limited, and may be, for example, adhesion with an adhesive, or may be fixed with a fixing tool such as a clip. Moreover, the location where the electric wire 7 is fixed in the back surface 1t may be depressed, and the electric wire 7 may be arranged in the depression.
　さらに、裏面１ｔに電線７が固定された状態のクッションパッド１をシートクッションフレームＦ１上に載置したとき、電線７は、シートクッションフレームＦ１中の所定部位（具体的には、パンフレームＦｐや支持バネＦｒ）から外れた位置に配置されるようになる。また、シートクッションフレームＦ１のうち、電線７と対向する部分は、電線７が位置する側とは反対側に窪むことで窪み部を形成していてもよい。 Furthermore, when the cushion pad 1 with the electric wire 7 fixed to the back surface 1t is placed on the seat cushion frame F1, the electric wire 7 is connected to a predetermined portion (specifically, the pan frame Fp, It is arranged at a position deviated from the support spring Fr). Moreover, the part which opposes the electric wire 7 among the seat cushion frames F1 may form the hollow part by denting in the opposite side to the side where the electric wire 7 is located.
　（第二例の接続構造）
　第二例の接続構造について図８を参照しながら説明する。図８は、第二例の接続構造についての説明図である。なお、図８では、第二例の接続構造のうち、第一例の接続構造と共通する部材、部品については図５と同じ符号が付されている。 (Connection structure of the second example)
The connection structure of the second example will be described with reference to FIG. FIG. 8 is an explanatory diagram of the connection structure of the second example. In FIG. 8, members and parts common to the connection structure of the first example among the connection structures of the second example are denoted by the same reference numerals as in FIG. 5.
　第二例では、図８に示すように、電線７がクッションパッド１内にインサートされており、具体的には、厚み方向において吊り込み溝１ａの底と裏面１ｔとの間にインサートされている。そして、電線７は、クッションパッド１において厚み方向及び吊り込み溝１ａの形成方向（具体的には、シート幅方向）の双方と交差する方向に延出している。すなわち、第二例において、電線７は、クッションパッド１において吊り込み溝１ａの下方で吊り込み溝１ａを横切るように配置されている。 In the second example, as shown in FIG. 8, the electric wire 7 is inserted into the cushion pad 1, and specifically, inserted between the bottom of the hanging groove 1 a and the back surface 1 t in the thickness direction. . And the electric wire 7 is extended in the direction which cross | intersects both the thickness direction and the formation direction (specifically sheet width direction) of the hanging groove | channel 1a in the cushion pad 1. FIG. That is, in the second example, the electric wire 7 is arranged so as to cross the hanging groove 1 a below the hanging groove 1 a in the cushion pad 1.
　また、第二例では、第一導線接続電線８及び第二導線接続電線９がクッションパッド１を貫通しておらず、厚み方向におけるクッションパッド１の中途位置で途切れている。第一導線接続電線８及び第二導線接続電線９の各々の下端部は、厚み方向において電線７が配置された位置にある。そして、第二例では、図８に示すように、クッションパッド１内において電線７が第一導線接続電線８及び第二導線接続電線９の各々と接合されている。これにより、第二例では、電線７をクッションパッド１によって覆うことで保護することが可能となる。 Further, in the second example, the first conducting wire connecting wire 8 and the second conducting wire connecting wire 9 do not penetrate the cushion pad 1 and are interrupted at the midway position of the cushion pad 1 in the thickness direction. Each lower end part of the 1st conducting wire connection electric wire 8 and the 2nd conducting wire connection electric wire 9 exists in the position where the electric wire 7 is arrange | positioned in the thickness direction. And in the 2nd example, as shown in FIG. 8, the electric wire 7 is joined with each of the 1st conducting wire connection electric wire 8 and the 2nd conducting wire connection electric wire 9 in the cushion pad 1. As shown in FIG. Thereby, in the 2nd example, it becomes possible to protect by covering the electric wire 7 with the cushion pad 1.
　以上の点において、第二例は、第一例と異なるが、それ以外の構成については第一例と共通する。なお、図８から分かるように、第二例においても、第一例と同様、厚み方向において電線７と表皮２との間にクッションパッド１の一部が配置されている。 In the above points, the second example is different from the first example, but other configurations are common to the first example. As can be seen from FIG. 8, in the second example, as in the first example, a part of the cushion pad 1 is disposed between the electric wire 7 and the skin 2 in the thickness direction.
　（第三例の接続構造）
　第三例の接続構造について図９を参照しながら説明する。図９は、第三例の接続構造についての説明図である。なお、図９では、第三例の接続構造のうち、第一例の接続構造と共通する部材、部品については図５と同じ符号が付されている。 (Connection structure of the third example)
The connection structure of the third example will be described with reference to FIG. FIG. 9 is an explanatory diagram of the connection structure of the third example. In FIG. 9, among the connection structure of the third example, members and parts that are common to the connection structure of the first example are denoted by the same reference numerals as in FIG. 5.
　第三例では、第一例や第二例で用いられていた第一導線接続電線８及び第二導線接続電線９が用いられていない。その代わりに、第三例では、前方表皮片２１及び中央表皮片２２の各々に取り付けられたヒータ線４ａの端部を延長させ、貫通穴１ｂを通してクッションパッド１の裏側まで延ばしている。 In the third example, the first conducting wire connecting wire 8 and the second conducting wire connecting wire 9 used in the first example and the second example are not used. Instead, in the third example, the end of the heater wire 4a attached to each of the front skin piece 21 and the central skin piece 22 is extended to the back side of the cushion pad 1 through the through hole 1b.
　そして、第三例では、クッションパッド１の裏側まで延びたヒータ線４ａ同士をクッションパッド１の裏側で接合させている。すなわち、第三例では、加熱ヒータ４のうち、前方表皮片２１や中央表皮片２２に取り付けられたヒータ線４ａによって構成される部分以外の部分をなすヒータ線４ａが、前方表皮片２１や中央表皮片２２に取り付けられたヒータ線４ａ同士を電気的に接続させるための電線として機能する。 In the third example, the heater wires 4 a extending to the back side of the cushion pad 1 are joined to each other on the back side of the cushion pad 1. That is, in the third example, the heater wire 4a that forms a part other than the part constituted by the heater wire 4a attached to the front skin piece 21 or the central skin piece 22 in the heater 4 is the front skin piece 21 or the center. It functions as an electric wire for electrically connecting the heater wires 4 a attached to the skin piece 22.
　分かり易く説明すると、第三例では、ヒータ線４ａにおいてクッションパッド１の裏側に回り込んだ部分（以下、パッド裏側部４ｂ）が、接続部として設けられている。そして、前方表皮片２１に取り付けられたヒータ線４ａ（第一導線）から延びたパッド裏側部４ｂと、中央表皮片２２に取り付けられたヒータ線４ａ（第二導線）から延びたパッド裏側部４ｂと、がクッションパッド１の裏側で接合している。 To explain in an easy-to-understand manner, in the third example, a portion of the heater wire 4a that wraps around the back side of the cushion pad 1 (hereinafter, pad back side portion 4b) is provided as a connection portion. And the pad back side part 4b extended from the heater wire 4a (1st conducting wire) attached to the front skin piece 21, and the pad back side part 4b extended from the heater wire 4a (2nd conducting wire) attached to the center skin piece 22 Are joined on the back side of the cushion pad 1.
　以上の点において、第三例は、第一例と異なるが、それ以外の構成については第一例と共通する。なお、図９から分かるように、第三例においても、厚み方向において接続部としてのパッド裏側部４ｂと表皮２との間にクッションパッド１の一部が配置されている。 In the above points, the third example is different from the first example, but other configurations are common to the first example. As can be seen from FIG. 9, also in the third example, a part of the cushion pad 1 is disposed between the pad back side portion 4 b as the connecting portion and the skin 2 in the thickness direction.
　（第四例の接続構造）
　第四例の接続構造について図１０を参照しながら説明する。図１０は、第四例の接続構造についての説明図である。なお、図１０では、第四例の接続構造のうち、第一例の接続構造と共通する部材、部品については図５と同じ符号が付されている。 (Connection structure of the fourth example)
The connection structure of the fourth example will be described with reference to FIG. FIG. 10 is an explanatory diagram of the connection structure of the fourth example. In FIG. 10, members and parts common to the connection structure of the first example in the connection structure of the fourth example are denoted by the same reference numerals as those in FIG. 5.
　第四例では、第三例と同じく、第一導線接続電線８及び第二導線接続電線９がなく、前方表皮片２１及び中央表皮片２２の各々に取り付けられたヒータ線４ａの端部を延長させている。また、延長されたヒータ線４ａは、図１０に示すように、クッションパッド１内で更に延出している。より詳しくは、ヒータ線４ａにおいてクッションパッド１内を延出している部分（以下、パッド内延出部４ｃ）は、厚み方向において、吊り込み溝１ａよりも下方位置（表皮２と反対側の位置）で延出している。 In the fourth example, as in the third example, the first conductor connecting wire 8 and the second conductor connecting wire 9 are not provided, and the ends of the heater wires 4a attached to the front skin piece 21 and the central skin piece 22 are extended. I am letting. Further, the extended heater wire 4a further extends in the cushion pad 1 as shown in FIG. More specifically, the portion of the heater wire 4a that extends through the cushion pad 1 (hereinafter, the pad extension portion 4c) is positioned below the hanging groove 1a in the thickness direction (position opposite to the skin 2). ).
　第四例では、図１０に示すように、各ヒータ線４ａのパッド内延出部４ｃ同士をクッションパッド１内で接合させている。すなわち、第四例では、加熱ヒータ４のうち、前方表皮片２１や中央表皮片２２に取り付けられたヒータ線４ａによって構成される部分以外の部分をなすヒータ線４ａ（具体的には、パッド内延出部４ｃ）が、前方表皮片２１や中央表皮片２２に取り付けられたヒータ線４ａ同士を電気的に接続させるための電線として機能する。 In the fourth example, as shown in FIG. 10, the pad extension portions 4 c of the heater wires 4 a are joined together in the cushion pad 1. That is, in the fourth example, the heater wire 4a (specifically, in the pad) that forms a part other than the part constituted by the heater wire 4a attached to the front skin piece 21 and the central skin piece 22 in the heater 4. The extension part 4c) functions as an electric wire for electrically connecting the heater wires 4a attached to the front skin piece 21 and the central skin piece 22.
　分かり易く説明すると、第四例では、パッド内延出部４ｃが接続部として設けられており、前方表皮片２１に取り付けられたヒータ線４ａ（第一導線）から延びたパッド内延出部４ｃと、中央表皮片２２に取り付けられたヒータ線４ａ（第二導線）から延びたパッド内延出部４ｃと、がクッションパッド１内、厳密には、厚み方向において吊り込み溝１ａと裏面１ｔとの間で接合している。 If it explains clearly, in the 4th example, pad extension part 4c is provided as a connection part, and pad extension part 4c extended from heater wire 4a (first conductor) attached to front skin piece 21 is provided. And an in-pad extension portion 4c extending from the heater wire 4a (second conductor) attached to the central skin piece 22, and the suspending groove 1a and the back surface 1t in the cushion pad 1, strictly speaking, in the thickness direction, Are joined together.
　以上の点において、第四例は、第一例と異なるが、それ以外の構成については第一例と共通する。なお、図１０から分かるように、第四例においても、厚み方向において接続部としてのパッド内延出部４ｃと表皮２との間にクッションパッド１の一部が配置されている。 In the above points, the fourth example is different from the first example, but other configurations are the same as the first example. As can be seen from FIG. 10, also in the fourth example, a part of the cushion pad 1 is disposed between the pad extension portion 4 c as the connection portion and the skin 2 in the thickness direction.
　＜＜その他の実施形態＞＞
　上記の実施形態では、主として本発明の乗物用シートの構成例について説明した。しかし、上記の実施形態は、本発明の理解を容易にするためのものであり、本発明を限定するものではない。すなわち、本発明は、その趣旨を逸脱することなく、変更、改良され得ると共に、本発明にはその等価物が含まれることは勿論である。 << Other Embodiments >>
In the above embodiment, the configuration example of the vehicle seat of the present invention has been mainly described. However, the above embodiment is for facilitating the understanding of the present invention, and does not limit the present invention. That is, the present invention can be changed and improved without departing from the gist thereof, and the present invention includes its equivalents.
　また、上述した実施形態では、車両用シートＳのシートクッションＳ１内に加熱ヒータ４が設けられていることとした。すなわち、上記の実施形態（第一例～第四例）では、シートクッションＳ１内に設置された加熱ヒータ４のヒータ線４ａ同士を接続する構造について説明した。ただし、これに限定されるものではなく、シートバックＳ２に加熱ヒータ４を設けてもよい。そして、当該加熱ヒータ４のヒータ線４ａ同士を接続する場合にも上述した接続構造が利用可能である。 In the above-described embodiment, the heater 4 is provided in the seat cushion S1 of the vehicle seat S. That is, in the above-described embodiments (first to fourth examples), the structure for connecting the heater wires 4a of the heater 4 installed in the seat cushion S1 has been described. However, the present invention is not limited to this, and the heater 4 may be provided on the seat back S2. And also when connecting the heater wires 4a of the said heater 4, the connection structure mentioned above can be utilized.
　また、上述した実施形態では、表皮片２ａの縫合ラインＬを挟んで互いに反対側に位置するヒータ線４ａ同士を連結するための接続構造について説明した。ただし、縫合ラインＬを挟んで互いに反対側に位置する２つの導線６のうちの一方のみがヒータ線４ａで、他方がヒータ線４ａ（電熱線）ではない導線６、例えば、給電用のケーブルであってもよい。そして、当該ケーブルとヒータ線４ａとを接続する場合にも上述の接続構造が利用可能である。 In the above-described embodiment, the connection structure for connecting the heater wires 4a located on the opposite sides of the stitching line L of the skin piece 2a has been described. However, only one of the two conductive wires 6 located on the opposite sides of the stitching line L is the heater wire 4a, and the other is the conductive wire 6 that is not the heater wire 4a (electric heating wire), for example, a power supply cable. There may be. And when connecting the said cable and the heater wire 4a, the above-mentioned connection structure can be utilized.
　また、上述した実施形態（具体的には第一例及び第二例）では、電線７を介して第一導線接続電線８と第二導線接続電線９とを連結した。すなわち、第一例及び第二例では、第一導線接続電線８及び第二導線接続電線９の各々が電線７に接続されていることとした。ただし、これに限定されるものではなく、図１１に図示した継手Ｄ１、Ｄ２を用いて第一導線接続電線８及び第二導線接続電線９を繋げてもよい。図１１は、継手Ｄ１、Ｄ２を用いて第一導線接続電線８及び第二導線接続電線９を接続する方法を示す図である。 Further, in the above-described embodiments (specifically, the first example and the second example), the first conductive wire connecting electric wire 8 and the second conductive wire connecting electric wire 9 are coupled via the electric wire 7. That is, in the first example and the second example, each of the first conducting wire connecting wire 8 and the second conducting wire connecting wire 9 is connected to the wire 7. However, it is not limited to this, You may connect the 1st conducting wire connection electric wire 8 and the 2nd conducting wire connection electric wire 9 using the couplings D1 and D2 illustrated in FIG. FIG. 11 is a diagram illustrating a method of connecting the first conductor connecting wire 8 and the second conductor connecting wire 9 using the joints D1 and D2.
　図１１に図示の接続方法について説明すると、第一導線接続電線８の端末には継手Ｄ１が取り付けられており、第二導線接続電線９の端末には継手Ｄ２が取り付けられている。２つの継手Ｄ１、Ｄ２は、互いに挿抜可能なカプラーからなる。したがって、一方の継手Ｄ１が他方の継手Ｄ２に差し込まれて両継手Ｄ１、Ｄ２が連結すると、第一導線接続電線８及び第二導線接続電線９が電気的に接続されることになる。なお、図１１に図示の接続方法は、第一導線接続電線８及び第二導線接続電線９の各々と電線７とを接続する場合にも適用可能である。また、同方法は、ヒータ線４ａから延長した電線（具体的には、第三例のパッド裏側部４ｂや第四例のパッド内延出部４ｃ）同士を接続する場合にも適用可能である。 11 will be described. A joint D1 is attached to the end of the first conductor connection electric wire 8, and a joint D2 is attached to the end of the second conductor connection electric wire 9. FIG. The two joints D1 and D2 are made of couplers that can be inserted and removed from each other. Therefore, when one joint D1 is inserted into the other joint D2 and the two joints D1 and D2 are connected, the first conducting wire connecting wire 8 and the second conducting wire connecting wire 9 are electrically connected. The connection method illustrated in FIG. 11 is also applicable to the case where each of the first conductive wire connecting electric wire 8 and the second conductive wire connecting electric wire 9 and the electric wire 7 are connected. The same method can also be applied to the case where the wires extending from the heater wire 4a (specifically, the pad back side portion 4b of the third example and the pad extension portion 4c of the fourth example) are connected to each other. .
１　クッションパッド
１ａ　吊り込み溝（溝）
１ｂ　貫通穴
１ｓ　対向面
１ｔ　裏面
２　表皮
２ａ　表皮片
３　インサートワイヤ
４　加熱ヒータ
４ａ　ヒータ線
４ｂ　パッド裏側部（電線）
４ｃ　パッド内延出部（電線）
５　スラブ
６　導線
７　電線（接続部）
８　第一導線接続電線
９　第二導線接続電線
１１　前方領域
１２　中央領域
１３　後方領域
２１　前方表皮片
２２　中央表皮片
２３　後方表皮片
Ｃ　コネクタ
Ｄ１，Ｄ２　継手
Ｆ１　シートクッションフレーム
Ｆｐ　パンフレーム
Ｆｒ　支持バネ
Ｆｓ　サイドフレーム
Ｋ　熱収縮チューブ
Ｌ　縫合ライン
Ｓ　車両用シート（乗物用シート）
Ｓ１　シートクッション
Ｓ２　シートバック
Ｓ３　ヘッドレスト 1 Cushion pad 1a Hanging groove (groove)
1b Through-hole 1s Opposite surface 1t Back surface 2 Skin 2a Skin piece 3 Insert wire 4 Heater 4a Heater wire 4b Pad back side (electric wire)
4c Pad extension (electric wire)
5 Slab 6 Conductor 7 Electric wire (connection part)
8 First conductive wire connecting wire 9 Second conductive wire connecting wire 11 Front region 12 Central region 13 Rear region 21 Front skin piece 22 Central skin piece 23 Rear skin piece C Connector D1, D2 Joint F1 Seat cushion frame Fp Pan frame Fr Support spring Fs Side frame K Heat-shrinkable tube L Stitch line S Vehicle seat (vehicle seat)
S1 Seat cushion S2 Seat back S3 Headrest

Claims (10)

  1. 　クッションパッドと、
    　該クッションパッドを覆う表皮と、
    　該表皮と前記クッションパッドとの間に配置された加熱ヒータと、
    　該加熱ヒータの利用時に通電状態となる導線と、を有し、
    　前記表皮は、互いに縫合された第一表皮片及び第二表皮片と、前記第一表皮片及び前記第二表皮片を縫合することで形成された縫合ラインと、を備え、
    　前記導線は、前記第一表皮片に取り付けられた第一導線と、前記第二表皮片に取り付けられた第二導線と、を有し、
    　前記第一導線及び前記第二導線は、前記縫合ラインを挟んで互いに反対側に位置し、接続部を介して電気的に接続されており、
    　前記クッションパッドの厚み方向において前記接続部と前記表皮との間に前記クッションパッドの一部が配置されていることを特徴とする乗物用シート。     Cushion pad,
    An epidermis covering the cushion pad;
    A heater disposed between the skin and the cushion pad;
    A conducting wire that is energized when the heater is used,
    The epidermis comprises a first epidermis piece and a second epidermis piece sewn together, and a suture line formed by suturing the first epidermis piece and the second epidermis piece,
    The conducting wire has a first conducting wire attached to the first skin piece and a second conducting wire attached to the second skin piece,
    The first conducting wire and the second conducting wire are located on opposite sides of the stitching line, and are electrically connected via a connecting portion,
    A vehicle seat, wherein a part of the cushion pad is disposed between the connecting portion and the skin in the thickness direction of the cushion pad.
  2. 　前記表皮に覆われた状態の前記クッションパッドにおいて前記縫合ラインと対向する部分には、前記縫合ラインに沿って形成された溝が設けられており、
    　前記接続部は、前記厚み方向において前記溝よりも前記表皮から離れた位置に、前記溝と交差した状態で配置されていることを特徴とする請求項１に記載の乗物用シート。     In the cushion pad in the state covered with the epidermis, a portion facing the stitching line is provided with a groove formed along the stitching line,
    2. The vehicle seat according to claim 1, wherein the connection portion is disposed in a state of crossing the groove at a position farther from the skin than the groove in the thickness direction.
  3. 　前記溝は、前記表皮のうち、前記縫合ラインが形成された部分を吊り込むために形成された吊り込み溝であることを特徴とする請求項２に記載の乗物用シート。 3. The vehicle seat according to claim 2, wherein the groove is a hanging groove formed to suspend a portion of the epidermis where the stitching line is formed.
  4. 　前記導線は、前記第一導線及び前記第二導線を電気的に接続するために配置された前記接続部としての電線であり、
    　該電線は、前記クッションパッド内において前記厚み方向及び前記吊り込み溝の形成方向の双方と交差する方向に延出していることを特徴とする請求項３に記載の乗物用シート。     The conducting wire is an electric wire as the connecting portion arranged to electrically connect the first conducting wire and the second conducting wire,
    4. The vehicle seat according to claim 3, wherein the electric wire extends in a direction intersecting with both the thickness direction and the forming direction of the hanging groove in the cushion pad. 5.
  5. 　前記導線は、前記第一導線及び前記第二導線を電気的に接続するために配置された前記接続部としての電線であり、
    　前記クッションパッドは、前記厚み方向において前記表皮と対向する側とは反対側に位置する裏面を有し、
    　前記電線は、前記厚み方向において前記裏面よりも前記表皮から離れた位置にあり、前記厚み方向及び前記吊り込み溝の形成方向の双方と交差する方向に延出していることを特徴とする請求項３に記載の乗物用シート。     The conducting wire is an electric wire as the connecting portion arranged to electrically connect the first conducting wire and the second conducting wire,
    The cushion pad has a back surface located on the side opposite to the side facing the epidermis in the thickness direction,
    The electric wire is located at a position farther from the skin than the back surface in the thickness direction, and extends in a direction intersecting both the thickness direction and the forming direction of the hanging groove. 3. The vehicle seat according to 3.
  6. 　前記第一導線及び前記第二導線は、前記加熱ヒータの一部をなすヒータ線であり、
    　前記電線は、前記加熱ヒータのうち、前記第一導線及び前記第二導線によって構成される部分以外の部分をなすヒータ線であることを特徴とする請求項４に記載の乗物用シート。     The first conducting wire and the second conducting wire are heater wires that form part of the heater,
    The vehicle seat according to claim 4, wherein the electric wire is a heater wire that forms a part of the heater other than the part constituted by the first conductive wire and the second conductive wire.
  7. 　前記第一導線及び前記第二導線は、前記加熱ヒータの一部をなすヒータ線であり、
    　前記電線は、前記加熱ヒータのヒータ線とは別体をなしていることを特徴とする請求項４に記載の乗物用シート。     The first conducting wire and the second conducting wire are heater wires that form part of the heater,
    The vehicle seat according to claim 4, wherein the electric wire is separated from a heater wire of the heater.
  8. 　前記導線は、前記第一導線に接続された第一導線接続電線と、前記第二導線に接続された第二導線接続電線と、を更に有し、
    　前記電線は、前記第一導線接続電線及び前記第二導線接続電線の各々と連結していることを特徴とする請求項７に記載の乗物用シート。     The conducting wire further includes a first conducting wire connecting electric wire connected to the first conducting wire, and a second conducting wire connecting electric wire connected to the second conducting wire,
    The vehicle seat according to claim 7, wherein the electric wire is connected to each of the first conductive wire connecting wire and the second conductive wire connecting wire.
  9. 　前記第一導線接続電線及び前記第二導線接続電線の各々は、前記厚み方向において前記クッションパッドを貫通するように延びていることを特徴とする請求項８に記載の乗物用シート。 The vehicle seat according to claim 8, wherein each of the first conductive wire connecting electric wire and the second conductive wire connecting electric wire extends through the cushion pad in the thickness direction.
  10. 　前記クッションパッドは、前記厚み方向において前記表皮と対向する側とは反対側に位置する裏面を有し、
    　前記電線は、前記厚み方向において前記裏面に固定されていることを特徴とする請求項９に記載の乗物用シート。     The cushion pad has a back surface located on the side opposite to the side facing the epidermis in the thickness direction,
    The vehicle seat according to claim 9, wherein the electric wire is fixed to the back surface in the thickness direction.
PCT/JP2017/035152 2017-03-01 2017-09-28 Vehicle seat WO2018158998A1 (en)

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JP7364890B2 (en) 2019-10-31 2023-10-19 テイ・エス テック株式会社 Seat skin, seat and method for manufacturing seat skin
WO2021085093A1 (en) * 2019-10-31 2021-05-06 テイ・エス テック株式会社 Seat skin, seat, and method for manufacturing seat skin
WO2022202665A1 (en) * 2021-03-25 2022-09-29 テイ・エス テック株式会社 Vehicle seat

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63305816A (en) * 1987-06-05 1988-12-13 松下電器産業株式会社 Seat for vehicle
JPH07328249A (en) * 1994-06-07 1995-12-19 Delta Kogyo Co Ltd Hanging structure of seat
JP2007252500A (en) * 2006-03-22 2007-10-04 Daihatsu Motor Co Ltd Seat structure of vehicle
JP2011217906A (en) * 2010-04-08 2011-11-04 Toyota Boshoku Corp Vehicle seat
JP2012143318A (en) * 2011-01-07 2012-08-02 Toyota Boshoku Corp Seat
JP2012143362A (en) * 2011-01-11 2012-08-02 Toyota Boshoku Corp Seat cover with heater
WO2012120558A1 (en) * 2011-03-07 2012-09-13 パナソニック株式会社 Vehicle seat heater
JP2013000248A (en) * 2011-06-14 2013-01-07 Toyota Boshoku Corp Seat
JP2014036730A (en) * 2012-08-13 2014-02-27 Ts Tech Co Ltd Vehicle seat

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63305816A (en) * 1987-06-05 1988-12-13 松下電器産業株式会社 Seat for vehicle
JPH07328249A (en) * 1994-06-07 1995-12-19 Delta Kogyo Co Ltd Hanging structure of seat
JP2007252500A (en) * 2006-03-22 2007-10-04 Daihatsu Motor Co Ltd Seat structure of vehicle
JP2011217906A (en) * 2010-04-08 2011-11-04 Toyota Boshoku Corp Vehicle seat
JP2012143318A (en) * 2011-01-07 2012-08-02 Toyota Boshoku Corp Seat
JP2012143362A (en) * 2011-01-11 2012-08-02 Toyota Boshoku Corp Seat cover with heater
WO2012120558A1 (en) * 2011-03-07 2012-09-13 パナソニック株式会社 Vehicle seat heater
JP2013000248A (en) * 2011-06-14 2013-01-07 Toyota Boshoku Corp Seat
JP2014036730A (en) * 2012-08-13 2014-02-27 Ts Tech Co Ltd Vehicle seat

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