WO2014104353A1 - Siège de véhicule - Google Patents

Siège de véhicule Download PDF

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Publication number
WO2014104353A1
WO2014104353A1 PCT/JP2013/085236 JP2013085236W WO2014104353A1 WO 2014104353 A1 WO2014104353 A1 WO 2014104353A1 JP 2013085236 W JP2013085236 W JP 2013085236W WO 2014104353 A1 WO2014104353 A1 WO 2014104353A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotating
width direction
seat
seat cushion
rotating body
Prior art date
Application number
PCT/JP2013/085236
Other languages
English (en)
Japanese (ja)
Inventor
ソウヘイル ヘイジ－ハッサン
鳥羽　英二
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
Priority claimed from US13/731,328 external-priority patent/US8998331B2/en
Priority claimed from US13/731,487 external-priority patent/US9027994B2/en
Priority claimed from US13/731,269 external-priority patent/US9050914B2/en
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 WO2014104353A1 publication Critical patent/WO2014104353A1/fr

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Classifications

    • 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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/30—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats
    • B60N2/3038—Cushion movements
    • B60N2/304—Cushion movements by rotation only
    • B60N2/3045—Cushion movements by rotation only about transversal axis
    • B60N2/305—Cushion movements by rotation only about transversal axis the cushion being hinged on the vehicle frame
    • 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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/30—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats
    • B60N2/3002—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements
    • B60N2/3004—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements by rotation only
    • B60N2/3009—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements by rotation only about transversal axis
    • B60N2/3013—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements by rotation only about transversal axis the back-rest being hinged on the vehicle frame
    • 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
    • B60N2/58—Seat coverings
    • B60N2/5816—Seat coverings attachments thereof
    • B60N2/5825—Seat coverings attachments thereof by hooks, staples, clips, snap fasteners or the like
    • 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
    • B60N2/80—Head-rests
    • B60N2/806—Head-rests movable or adjustable
    • B60N2/838—Tiltable
    • B60N2/856—Tiltable movable to an inoperative or stowed position

Definitions

  • the present invention relates to a vehicle seat having a seat cushion and a seat back that rotates relative to the seat cushion, and in particular, a link mechanism for interlocking another movable member to the rotating seat cushion.
  • the present invention relates to a vehicle seat provided.
  • Vehicle seats having a seat cushion and a seat back that rotates relative to the seat cushion are well known, including a movable seat back and other movable members such as a seat cushion.
  • a link mechanism for interlocking the position adjustment mechanism.
  • Some vehicle seats that include a link mechanism include a rotating body that rotates in order to link another movable member to the seat cushion. In the vehicle seat having such a configuration, the rotating body is rotated in a predetermined direction by being pushed by the rotating seat back. On the other hand, the rotating body is connected to another movable member by a wire, a gear train or the like. For this reason, when the rotating body rotates, the rotating operation is used as a driving force, and as a result, the other movable member moves.
  • a shaft is provided on a plate member that connects the side surface of the seat cushion and the side surface of the seat back, and the above-mentioned rotating body can rotate freely on the shaft.
  • the structure supported is considered (for example, refer patent document 1).
  • a protrusion is provided on the side surface of the seat back, and a through hole along the rotation path of the seat back is formed in the plate member.
  • the protrusion provided on the side surface of the seat back is engaged with the above-described through hole, and is arranged in a state in which the tip end portion protrudes somewhat from the through hole.
  • the protrusion provided on the side surface of the seat back moves along the through hole formed in the plate member, and comes into contact with the rotating body in the middle thereof.
  • the tip of the projection hits the rotating body.
  • the rotating body interlocks with the seat back. It turns in the same turning direction.
  • the vehicle seat described in Patent Document 1 is provided with a hinge bracket as the above-described rotating member.
  • the hinge bracket When the hinge bracket is rotated, the lock on the seat cushion is released and the seat cushion can be moved forward. As a result, the seat cushion can be moved to the storage position.
  • the vehicle seat may be enlarged due to the provision of the rotating member.
  • hinge brackets are attached to both ends of the seat cushion in the width direction of the vehicle seat. With this structure, the vehicle seat is mounted in the width direction of the vehicle seat. There is a possibility of increasing the size.
  • the present invention has been made in view of the above-described problems, and the object of the present invention is to be rotated by being pushed by the seat back when another movable member is interlocked with the seat back in the rotating state.
  • An object of the present invention is to realize a seat structure capable of suppressing an increase in size in a vehicle seat including a rotating body.
  • Another object of the present invention is to suppress an increase in size in the width direction of a vehicle seat provided with a rotating member that rotates to accommodate a seat body.
  • the problem is that the seat cushion, the seat back that rotates relative to the seat cushion, and the seat back that rotates in a direction of falling toward the seat cushion.
  • a link mechanism for interlocking other movable members wherein the seat back and the seat cushion are located beside the seat back and the seat cushion in the width direction of the vehicle seat.
  • the link mechanism Connected by a connecting member arranged, the link mechanism has a rotating body that rotates to interlock the other movable member with the seat back that is rotating in a direction of falling toward the seat cushion.
  • the rotating body is adjacent to the connecting member in the width direction and rotates in a direction to fall toward the seat cushion.
  • the portion of the rotating body that is pressed by the seat back is positioned outside the outer edge of the connecting member when viewed from the width direction.
  • the rotating body is pressed against the seat back outside the outer edge of the connecting member that connects the seat back and the seat cushion. Therefore, the above-described through hole, which is necessary when the seat back pushes the rotating body inside the outer edge of the connecting member, becomes unnecessary. Thereby, since the through hole is not formed, the connecting member can be made more compact. Therefore, if it is said structure, it will become possible to suppress effectively that a vehicle seat will enlarge.
  • the rotating body is positioned adjacent to an outer edge portion of the first wall portion, the first wall portion being disposed along an outer surface provided to the outer side of the connecting member in the width direction.
  • a second wall portion extending from the outer surface toward the outer surface, and a portion of the rotating body that is pressed by the seat back is provided on the second wall portion, and the second wall portion Is preferably provided at a position adjacent to a portion surrounding the rotating shaft of the rotating body in at least the outer edge portion of the first wall portion.
  • the portion of the rotating body that is pushed by the seat back is relatively rigid because its vicinity is bent.
  • the seat back can be stably pressed against the rotating body.
  • the 2nd wall part is provided so that the part located in the periphery of the rotating shaft of a rotation body among the outer edge parts of a 1st wall part may be provided, a rotation body can rotate favorably. As a result, the rotation of the seat back can be appropriately transmitted to other movable members.
  • the rotating body has a bent shape when viewed from the width direction.
  • a central portion of the rotating body is supported by a rotating shaft of the rotating body, and one end portion of the rotating body includes a portion of the rotating body that is pressed by the seat back, and A relay member laid to connect the rotating body and the other movable member is attached to the other end of the moving body.
  • the rotating member is attached. More preferably, the one end and the other end of the moving body are positioned upstream of the central portion in the direction in which the relay member is retracted when the relay member is attached to the other end of the rotating body.
  • the rotating body it is possible to reduce the size of the vehicle seat as compared with a case where the rotating body is not bent, that is, a shape extending linearly. More specifically, if the rotating body is bent, the trajectory when the rotating body rotates (more specifically, the rotating body passes as compared with the case where the rotating body extends linearly). Area of the range to be reduced). Therefore, if the rotating body is bent, the space to be secured for rotating the rotating body is smaller than when the rotating body extends linearly, so that the vehicle seat is further downsized. To do.
  • a portion of the rotating body that is pressed by the seat back is included in one end portion of the rotating body, and the one end portion of the rotating body is connected to the connecting body when viewed from the width direction.
  • the connecting member protrudes outside the outer edge of the member, and the connecting member includes an outer surface provided on the outer side in the width direction, and a connection extending from the position adjacent to the outer edge portion of the outer surface toward the outer side in the width direction.
  • a member-side extending portion, and the connecting member-side extending portion is provided along an outer edge of the outer surface, and when the rotating body is rotated among the outer edges of the outer surface. It is preferable that at least a part of the range through which the one end portion of the rotating body passes lacks the connecting member side extending portion.
  • the central portion of the rotating body is supported by the rotating shaft of the rotating body, and the one end portion of the rotating body is rotated in a direction of falling toward the seat cushion.
  • An urging member that urges the rotating body in a direction opposite to the direction when the seat back pushes the rotating body is attached, and the rotating body and the other movable member are attached to the other end of the rotating body. It is preferable that a relay member laid to connect the two is attached.
  • the biasing member that biases the rotating body and the relay member that connects the rotating body and another movable member are attached to the opposite ends of the rotating body.
  • Each member can be rationally arranged, and in particular, the space around the rotating body can be effectively used.
  • the seat back includes an overhanging portion that protrudes outward in the width direction, and the overhanging portion is rotated in a direction in which the seat back is tilted toward the seat cushion.
  • the connecting member is pushed to push the rotating body, and the connecting member is connected to the outer surface provided on the outer side in the width direction and the outer side in the width direction from a position adjacent to the outer edge of the outer surface.
  • a connecting member side extending portion extending toward the front, and a part of the connecting member side extending portion is located at a front end of a movement range of the overhanging portion and abuts the overhanging portion to It is preferable to restrict the seat back from further rotating in the direction of falling toward the seat cushion.
  • the connecting member extends from the position adjacent to the outer surface of the outer surface in the width direction and the outer edge of the outer surface toward the outer side in the width direction.
  • it is formed.
  • the connecting member is attached to the seat back via the reclining mechanism by being joined to a reclining mechanism provided between the connecting member and the seat back in the width direction. And there are at least three joints of the connecting member with the reclining mechanism when viewed from the width direction, and the rotational axis of the rotating body is the joint when viewed from the width direction. It is suitable if it is arranged within the range surrounded by the places.
  • the rigidity of the connecting member surrounded by the joint with the reclining mechanism is higher than that of the other parts. Since the rotation shaft of the rotating body is provided at the portion where the rigidity is increased in this way, the support state of the rotating body can be further stabilized.
  • the seat cushion on which an occupant is seated the seat main body that can be stored, and the seat cushion is attached to the seat cushion, and the seat cushion is moved to the storage position when the seat main body is stored.
  • a rotating member will be settled in the range by which the seat cushion is arrange
  • the rigidity of the seat cushion frame at the position where the frame side connector is disposed is higher than the other parts. And since the rotation member connection part is arrange
  • each of the plurality of rotating members includes a lower rotating member piece that rotates around the lower rotating shaft that is the rotating shaft, and a connection along the lower rotating shaft.
  • An upper rotating member piece that is connected to the lower rotating member piece via a shaft and rotates around the connecting shaft, and is fixed at a lower position of the seat cushion frame,
  • a lower support member that rotatably supports the lower rotation member piece via a side rotation axis; and an upper rotation axis that is fixed to the seat cushion frame and that extends along the connection axis.
  • An upper support member that rotatably supports the rotation member piece, and the lower rotation member piece rotates backward around the lower rotation axis when the seat body is stored.
  • the upper rotating member piece rotates forward around the connecting shaft. Cushions is moved to the storage position, when the seat cushion reaches the storage position, when the upper support member is brought into contact with the lower support member is more preferable.
  • the support member that supports the rotating member piece also functions as a stopper that regulates the amount of rotation of the rotating member piece. Accordingly, it is possible to reduce the number of parts as compared with the configuration in which the member that supports the rotating member piece and the member that regulates the rotation amount of the rotating member piece are provided separately.
  • the upper rotating member piece positioned at one end side in the width direction is the plurality of rotating members.
  • the upper rotating member pieces that each of the plurality of rotating members is located on the one end side in the width direction than any of the lower rotating member pieces included in each of the lower rotating member pieces in the width direction. It is even more preferable that the upper rotating member piece positioned on the end side is positioned on the other end side in the width direction than any of the lower rotating member pieces included in each of the plurality of rotating members. .
  • the plurality of upper rotating member pieces support the seat cushion frame via the upper supporting member.
  • the upper rotation member piece located at the end in the width direction of the vehicle seat is positioned outside the lower rotation member piece.
  • interval between the support position located in the most end side and the support position located in the most other end side becomes longer. As a result, the seat cushion including the seat cushion frame can be supported more stably.
  • an end face on one end side in the width direction of the lower support member is in the width direction more than any of the lower rotation member pieces included in each of the plurality of rotation members.
  • the end surface on the other end side in the width direction has a width greater than any of the lower rotation member pieces included in each of the plurality of rotation members. It is more preferable to be located on the other end side in the direction.
  • the lower support member is somewhat wider in the width direction. Thereby, it is possible to more stably support the lower rotating member piece and the seat cushion that is positioned above the lower rotating member piece and indirectly supported by the lower rotating member piece. Become.
  • a pair of the rotating members are attached to the center portion of the seat cushion in the width direction in a state of being separated from each other in the width direction, and the connecting shaft is connected to the pair of rotations Among the moving members, from the connecting portion of the upper rotating member piece and the lower rotating member piece in one of the rotating members, the upper rotating member piece and the lower rotation of the other rotating member. Extending both to the connecting part with the moving member piece, both of the upper rotating member piece and the lower rotating member piece are returned to both positions before the seat body is stored. It is preferable that a spiral spring for biasing is provided, and the spiral spring is arranged in a state of being wound around the connecting shaft.
  • the lower rotating member piece and the upper rotating member piece in a state of intersecting the both end portions are attached to both end portions of the rotating member connecting portion in the width direction.
  • the spiral spring is located between both ends of the rotating member connecting portion in the width direction, is sandwiched between the lower rotating member pieces, and is sandwiched between the upper rotating member pieces. It is even more desirable that they are arranged in the aligned state.
  • a plurality of seat fixing members provided at a position below the seat cushion for fixing the seat body and spaced apart in the width direction, and the seat fixing member in the width direction. It is preferable that the lower support member is fixed to the seat side connecting member.
  • the upper rotating member piece positioned at one end side in the width direction is the plurality of rotating members.
  • the upper rotating member pieces that each of the plurality of rotating members is located on the one end side in the width direction than any of the lower rotating member pieces included in each of the lower rotating member pieces in the width direction. It is more preferable that the upper rotating member piece positioned on the end side is positioned on the other end side in the width direction than any of the lower rotating member pieces included in each of the plurality of rotating members.
  • the distance between the upper rotating member piece located on the most end side in the sheet width direction and the upper rotating member piece located on the most end side in the sheet width direction becomes wider. Thereby, the seat cushion supported by the two upper rotating member pieces is supported more stably.
  • the vehicle seat of the present invention it is possible to effectively suppress an increase in size. Moreover, according to the vehicle seat of the present invention, it is possible to appropriately transmit the rotation of the seat back to the other movable members.
  • the space to be secured when the rotating body rotates is smaller than in the case where the rotating body extends linearly, so the vehicle seat is smaller. Turn into. Further, according to the vehicle seat of the present invention, it is possible to effectively avoid the connecting member side extending portion from unintentionally colliding with the rotating body and hindering the rotating body from rotating. . In addition, according to the vehicle seat of the present invention, it is possible to rationally arrange each member around the rotating body, and particularly effectively use the space around the rotating body.
  • the vehicle seat of the present invention there is no need to separately provide a part for regulating the amount of rotation of the seat back, and the structure for regulating the rotation of the seat back is further simplified. Moreover, according to the vehicle seat of the present invention, it is not necessary to separately provide a part for holding the relay member, and the structure for holding the relay member is further simplified. Moreover, according to the vehicle seat of the present invention, the support state of the rotating body can be further stabilized.
  • the vehicle seat of the present invention it is possible to suppress an increase in the size of the vehicle seat in the width direction of the seat while including the rotating member. Moreover, according to the vehicle seat of the present invention, the mounting rigidity of the rotating member connecting portion with respect to the rotating member is improved. In addition, according to the vehicle seat of the present invention, the number of parts can be reduced compared to the configuration in which the member that supports the rotating member piece and the member that regulates the amount of rotation of the rotating member piece are provided separately. It becomes possible to reduce. Moreover, according to the vehicle seat of the present invention, it is possible to suppress the support member from being deformed or the like due to an impact generated when the support members are brought into contact with each other.
  • the seat cushion including the seat cushion frame can be more stably supported.
  • the lower rotating member piece and the seat cushion that is positioned above the lower rotating member piece and indirectly supported by the lower rotating member piece are further provided. It becomes possible to support stably.
  • the attachment rigidity to the lower support member is improved.
  • the seat cushion supported by the two upper rotating member pieces is more stably supported.
  • FIG. 25 is an explanatory diagram of a skin terminal locking structure, and is an enlarged view of a main part around the skin terminal in the AA cross section of FIG. 24.
  • FIG. 1 is an external view of a vehicle seat according to the present embodiment.
  • 2 to 4 are diagrams for explaining an example of the storage operation of the vehicle seat according to the present embodiment. Specifically, FIG. 2 is a diagram showing a state in which the vehicle seat stands, and FIG. These are figures which show the state in which the vehicle seat is in the middle of accommodation, and FIG. 4 is a figure which shows the state in which the vehicle seat was accommodated.
  • FIGS. 5 to 7 are diagrams illustrating an example of the operation of the drive mechanism that moves the seat cushion when the vehicle seat is stored.
  • FIG. 5 is a view showing a state before the operation of the seat cushion drive mechanism, and is an enlarged view of a range X in FIG. 6 is a diagram showing a state in which the seat cushion drive mechanism is in operation, and is an enlarged view of a range X in FIG.
  • FIG. 7 is a view showing a state when the operation of the seat cushion drive mechanism is completed, and is an enlarged view of a range X in FIG. 4.
  • FIG. 8 to 9 are diagrams for explaining an operation example of the link mechanism that operates for storing the vehicle seat. If it demonstrates concretely, FIG. 8 is a figure which shows the state before the action
  • FIG. 9 is a diagram illustrating a state in which the link mechanism is in operation, and is an enlarged view of a range Y in FIG.
  • FIG. 10 is a diagram illustrating a state when the operation of the link mechanism is completed, and is an enlarged view of a range Y in FIG.
  • FIG. 11 to 15 are explanatory views of the link mechanism according to the present embodiment
  • FIG. 11 is a perspective view showing the configuration of the link mechanism
  • FIG. 12 is the vicinity of the overhanging portion that projects from the side of the seat back.
  • FIG. 13 is a view when the link mechanism is viewed from the side
  • FIG. 14 is a view showing engagement of the drive transmission cables
  • FIG. 15 is a view when the link mechanism is viewed from the front.
  • the longitudinal direction of the vehicle seat and the seat body is the longitudinal direction of the vehicle and coincides with the traveling direction of the vehicle.
  • the width direction of the vehicle seat and the seat body is the width direction of the vehicle (hereinafter also referred to as the vehicle width direction), and corresponds to the left-right direction in a state of facing the front of the vehicle. Further, unless otherwise specified, the position, posture, and the like of each member will be described below with respect to the contents when the vehicle seat is in a standing state.
  • a vehicle seat (hereinafter simply referred to as a seat) S is mounted, for example, as a rear seat of the vehicle, and includes a seat body H and a foot mechanism F as shown in FIG.
  • the foot mechanism F is provided to fix the seat main body H to the vehicle body floor, and includes a frame body F1 positioned at a position below the seat main body H.
  • the seat body H includes a seat cushion H1 on which an occupant sits, a seat back H2 that supports the occupant on the back side, and a headrest H3 that supports the occupant's head.
  • the structure of each of the seat cushion H1, the seat back H2, and the headrest H3 is well known.
  • the seat cushion H1 has a cushion body (not shown) placed on the seat cushion frame 1 shown in FIG. It is constituted by.
  • the front end portion of the seat cushion frame 1 is attached to the frame body F1 via a drive unit 10 described later.
  • the rear end portion of the seat cushion frame 1 is supported by a mounting bracket 11 welded to the rear end portion of the frame body F1. More specifically, the first mounting bracket 11 has a portion protruding upward from the upper end of the frame body F1, and the rotating shaft 13 along the vehicle width direction is attached to the portion.
  • the rear end portion of the seat cushion frame 1 is rotatably supported by the first mounting bracket 11 via the rotation shaft 13.
  • the frame side connector 102 shown in FIG. 11 is arranged.
  • the frame-side connecting body 102 connects the front end portion and the rear end portion of the seat cushion frame 1, and is composed of a wire in the present embodiment and extends in the front-rear direction.
  • the front end portion of the frame side connector 102 is welded to the front end portion of the seat cushion frame 1, and the rear end portion of the frame side connector 102 is welded to the rear end portion of the seat cushion frame 1.
  • the frame side coupling bodies 102 are arranged at regular intervals in the width direction of the sheet S, and in particular, in the present embodiment, three frame side coupling bodies 102 are arranged.
  • the seatback H2 includes a pair of side frames 2 in the frame.
  • the pair of side frames 2 are provided in the seat back H2 in a state of being separated from each other in the vehicle width direction.
  • the lower end part of the side frame 2 is attached to the 2nd attachment bracket 12 welded to the rear-end part of the frame body F1.
  • the second mounting bracket 12 protrudes from the first mounting bracket 11 and extends upward.
  • the side frame 2 of the seat back H ⁇ b> 2 is located somewhat above the upper end of the second mounting bracket 12.
  • the connection bracket 20 is disposed between the upper end portion of the second mounting bracket 12 and the lower end portion of the side frame 2.
  • the connecting bracket 20 corresponds to a connecting member in the present invention, and is located beside the second mounting bracket 12 and the side frame 2 in the vehicle width direction, and connects between the second mounting bracket 12 and the side frame 2. More specifically, the lower end portion of the connection bracket 20 is bolted to the upper end portion of the second mounting bracket 12. On the other hand, the upper end portion of the connection bracket 20 is attached to the lower end portion of the side frame 2 via a reclining mechanism 3 provided between the side frame 2 and the connection bracket 20.
  • the reclining mechanism 3 is attached to the lower end of the side frame 2 in order to support the seat back H2 in a rotatable state, and its structure is substantially the same as a known reclining mechanism. That is, the reclining mechanism 3 includes a reclining mechanism main body (not shown) that is driven when the seat back H2 is rotated, and a bottomed cylindrical housing 3a that accommodates the reclining mechanism main body.
  • the connecting bracket 20 is attached to the side frame 2 and the second mounting bracket 12 in a state of being arranged beside the seat back H2 and the seat cushion H1 in the vehicle width direction.
  • the connection bracket 20 connects the seat back H2 including the side frame 2 and the seat cushion H1 rotatably supported by the second mounting bracket 12.
  • the sheet S according to the present embodiment is configured to be stowable, and is in an upright state as shown in FIG. 2 when in use, and folded into a stowed state when not in use as shown in FIG.
  • the sheet main body H is also in the standing state.
  • the seat cushion H1 and the seat back H2 are substantially L-shaped when viewed from the vehicle width direction, and the headrest H3 is standing above the seat back H2.
  • the seat cushion H1 is located at the use position shown in FIG.
  • the seat cushion H1 has a posture in which a front end portion thereof is positioned slightly above the rear end portion, and is positioned slightly above the frame body F1 of the foot mechanism F and the frame. It is away from the body F1.
  • the sheet main body H is also stored.
  • the seat back H2 rotates relative to the seat cushion H1 in the direction of tilting forward, and the headrest H3 turns around the front of the upper end of the seat back H2 with respect to the seat back H2. Relative rotation.
  • the seat cushion H1 moves from the use position toward the storage position shown in FIG.
  • the front end portion and the rear end portion thereof are positioned at substantially the same height, and are somewhat closer to the frame body F1 of the foot mechanism F than when the seat cushion H1 is positioned at the use position. It becomes like this.
  • each part of the seat body H that is, the seat cushion H1, the seat back H2, and the headrest H3 are operated, and the state shown in FIG. 2 is changed to the state shown in FIGS.
  • the occupant operates an operation unit (not shown) provided in the seat body H.
  • the drive unit 10 is provided for each of the seat cushion H1 and the headrest H3.
  • This drive unit 10 corresponds to another movable member in the present invention, and is interlocked with the seat back H2 that is rotated in the direction of tilting toward the seat cushion H1, so that the corresponding one of the seat cushion H1 and the headrest H3 is supported.
  • the member to be moved is moved toward the position when the sheet is stored.
  • cooperate with the rotating seat back H2 is provided. More specifically, the link mechanism 30 determines the driving force generated when the seat back H2 is pivoted forward so that the seat back H2 is tilted forward, and the driving unit 10 for the seat cushion H1 and the driving unit for the headrest H3 ( (Not shown).
  • the configuration for transmitting a driving force from the seat back H2 side to the driving unit 10 for the seat cushion H1 will be described as an explanation regarding the link mechanism 30 described above.
  • the configuration for transmitting the driving force from the seat back H2 side to the driving unit for the headrest H3 is substantially the same as the configuration for transmitting the driving force from the seat back H2 side to the driving unit 10 for the seat cushion H1, The description will be omitted.
  • the driving unit for the headrest H3 a known unit that operates the headrest H3 by using the rotation of the seat back H2 can be used, and is described in, for example, Japanese Patent Application Publication No. 2010-105655. Other mechanisms are available.
  • the drive unit 10 for the seat cushion H1 will be described.
  • the drive unit 10 is disposed below the seat cushion H1 and is configured to be able to bend and stretch. More specifically, as shown in FIGS. 5 to 7, the drive unit 10 is a hinge-like device, and the upper end portion 10 a is rotatably supported by the front end portion of the seat cushion frame 1. The portion 10b is rotatably supported by the front end portion of the frame body F1 of the foot mechanism F.
  • one end of the driving force transmission cable C is hung on the central portion in the vertical direction of the driving unit 10, that is, the portion corresponding to the starting point when the driving unit 10 is bent.
  • a spiral spring 10d is wound around the hinge shaft 10c. The spiral spring 10d urges each predetermined portion of the upper end portion 10a and the lower end portion 10b of the drive unit 10. Due to the urging force, the drive unit 10 is held in the extended state unless an external force is applied.
  • the drive unit 10 configured as described above is held in an extended state as shown in FIG.
  • the end of the driving force transmission cable C that is hung on the driving unit 10 is pulled backward.
  • the drive unit 10 is bent in a lateral V shape against the urging force of the spiral spring 10d as a result of the vertical center portion being pulled rearward.
  • the seat cushion H1 attached to the upper end of the drive unit 10 moves from the use position toward the storage position.
  • the drive unit 10 is bent at the upper end and the lower end while rotating around the respective support shafts. As a result, the drive unit 10 is finally fully folded as shown in FIG. When this state is reached, the seat cushion H1 reaches the storage position described above.
  • the link mechanism 30 has the driving force transmission cable C as one of the components, and the driving force when the seat back H2 rotates relative to the seat cushion H1 so that the seat back H2 falls forward.
  • One end portion of the transmission cable C specifically, the end portion on the side that is hung on the drive unit 10 is pulled backward.
  • the link mechanism 30 includes an L-shaped bracket 4 and a transmission member 31 in addition to the driving force transmission cable C described above.
  • the L-shaped bracket 4 corresponds to the overhanging portion of the present invention, and is a sheet metal member welded to the lower end portion of the outer surface of the side frame 2.
  • the L-shaped bracket 4 has a substantially L-shaped outer shape when viewed from the front of the seat, and is a portion that protrudes somewhat outward in the side frame vehicle width direction (hereinafter referred to as an extension). (Exit part) 4a is provided.
  • the L-shaped bracket 4 rotates integrally with the seat back H2.
  • the transmission member 31 corresponds to the rotating body of the present invention, and is a member that rotates to interlock the drive unit 10 with the seat back H2.
  • the transmission member 31 is formed by processing a sheet metal, and has a shape bent in a substantially V shape when viewed from the vehicle width direction.
  • the transmission member 31 has a central portion 31e supported by the rotation shaft 32 of the transmission member 31, and as shown in FIGS. 9 and 10, the seat back H2 is rotated in the direction of falling toward the seat cushion H1. When the one end portion 31c is pushed, it rotates.
  • the rotation shaft 32 extends from the outer end surface in the vehicle width direction of the connection bracket 20 described above, and is inserted into a hole formed in the central portion of the transmission member 31.
  • the transmission member 31 is disposed at a position adjacent to the connection bracket in the vehicle width direction and is rotatably supported by the rotation shaft 32.
  • the end portion on the side pushed by the seat back H2 that is, the one end portion 31c is connected when viewed from the vehicle width direction. It protrudes outside the outer edge of the bracket 20.
  • the seat back H2 is rotated in the direction of tilting toward the seat cushion H1, as shown in FIG. 14, the above-mentioned L-shape is formed on the one end 31c of the transmission member 31 protruding outside the outer edge of the connection bracket 20.
  • the bracket 4 contacts from behind. That is, with the rotation of the seat back H2, the L-shaped bracket 4 moves to a contact position with the transmission member 31, and pushes the one end 31c of the transmission member 31 at the extended portion 4a. Thereby, the transmission member 31 rotates so that the one end part 31c which protrudes outside the outer edge of the connection bracket 20 falls down to the front side.
  • the part with which the seat back H2 presses the transmission member 31 is comprised by the L-shaped bracket 4 bent in L shape, about the rigidity of the part which presses the transmission member 31, , The portion is higher than when the portion is not bent in an L shape. As a result, in the present embodiment, the seat back H2 can press the transmission member 31 satisfactorily.
  • one end portion 31c of the transmission member 31, that is, the portion pushed by the seat back H2 is more than the outer edge of the connection bracket 20. Located on the outside. That is, the transmission member 31 is pushed by the seat back H2 outside the outer edge of the connection bracket 20. Since it is such a structure, in this embodiment, it becomes possible to make the connection bracket 20 more compact.
  • connection bracket 20 In the configuration in which the seatback H2 pushes the transmission member 31 inside the outer edge of the connection bracket 20, a through hole is provided in the connection bracket 20, and the L-shaped bracket 4 extends to the through hole. The protruding portion 4a is inserted. Further, the above-described through hole needs to be formed along a path when the L-shaped bracket 4 rotates integrally with the seat back H2. For this reason, when a through-hole is provided in the connection bracket 20, it is necessary to enlarge the size of the connection bracket 20 in order to ensure the formation space of the said through-hole.
  • connection bracket 20 since the transmission member 31 is pushed by the seat back H2 outside the outer edge of the connection bracket 20, the above-described through hole is not necessary, and the connection bracket 20 is formed by the amount that the through hole is not formed. It becomes possible to make it more compact. As a result, in the present embodiment, an increase in the size of the sheet S is effectively suppressed.
  • the transmission member 31 is flanged. As shown in FIG. 14, the flange portion 31 a extends over the entire outer edge of the transmission member 31. Is formed.
  • the transmission member 31 according to the present embodiment includes an outer wall portion 31b disposed along an end surface (corresponding to an outer surface, hereinafter also referred to as an outer end surface) provided on the outer side in the vehicle width direction of the connection bracket 20; A flange portion 31a extending inward from the position adjacent to the outer edge portion of the outer wall portion 31b toward the outer end surface of the connection bracket 20;
  • the outer wall portion 31b corresponds to the first wall portion of the present invention
  • the flange portion 31a corresponds to the second wall portion of the present invention.
  • the one end 31c of the transmission member 31 includes a portion of the transmission member 31 that is pushed by the seat back H2.
  • a portion of the transmission member 31 that is pushed by the seat back H2 has a relatively high rigidity because its vicinity is bent. As a result of the relatively high rigidity of the portion pressed by the seat back H2, the pressing of the seat back H2 against the transmission member 31 is stably performed.
  • the flange portion 31a is formed over the entire outer edge of the outer wall portion 31b, the flange portion 31a is naturally disposed at a position adjacent to the portion surrounding the rotating shaft 32 in the outer edge portion of the outer wall portion 31b. Will be provided.
  • the flange part 31a is provided so that it may adjoin the part located in the periphery of the rotating shaft 32 among the outer edge parts of the outer wall part 31b so that the transmission member 31 can rotate favorably. Therefore, the rotation of the seat back H2 can be appropriately transmitted to the drive unit 10.
  • the other end portion 31 d of the transmission member 31 is hung on the end portion of the drive force transmission cable C opposite to the end portion on the drive unit 10 side. That is, the driving force transmission cable C corresponds to the relay member of the present invention, and is laid to connect the transmission member 31 and the drive unit 10.
  • the transmission member 31 is pushed by the seat back H2 and rotates, the other end portion 31d of the transmission member 31 on which the driving force transmission cable C is hung moves backward.
  • the driving force transmission cable C is pulled rearward, and the driving force is transmitted to the driving unit 10 to start the bending operation.
  • the driving force transmission cable C includes an inner cable Ci that transmits the driving force, an outer cable Co that covers the outer side of the inner cable Ci, and an outer cable Co. And an outer casing Ch provided at the end. Further, both end portions of the inner cable Ci protrude from the outer casing Ch to form a cable end Ca.
  • the driving force transmission cable C configured as described above is laid between the driving unit 10 and the transmission member 31.
  • two systems of driving force transmission cables C are laid, and one system of driving force transmission cables C includes the drive unit 10 for the seat cushion H1 and the transmission member 31 as described above. It was laid between.
  • the driving power transmission cable C of the other system is laid between the driving unit of the headrest H3 (not shown) and the transmission member 31. In the following description, only the driving force transmission cable C laid between the driving unit 10 for the seat cushion H1 and the transmission member 31 will be described.
  • the cable end Ca formed on one end side of the inner cable Ci is engaged with the central portion in the vertical direction of the driving unit 10.
  • the cable end Ca formed on the other end side of the inner cable Ci is engaged with the other end portion 31d on the opposite side of the transmission member 31 from the side pushed by the seat back H2.
  • the driving force transmission cable C is pulled in along the front-rear direction of the seat S, and is attached to the end of the transmission member 31 from the front side as shown in FIG. It is done. That is, in the present embodiment, the front side of the seat S in the front-rear direction corresponds to the upstream side in the direction in which the driving force transmission cable C is pulled when the driving force transmission cable C is attached to the end of the transmission member 31.
  • the transmission member 31 is bent when viewed from the vehicle width direction. In a state where the transmission member 31 is not pushed by the seat back H2, as shown in FIG. 13, the one end portion 31c and the other end portion 31d of the transmission member 31 are positioned in front of the central portion 31e. With this configuration, the sheet S can be made more compact in the present embodiment. More specifically, if the transmission member 31 is bent as described above, the trajectory when the transmission member 31 rotates, more specifically, compared to the case where the transmission member 31 extends linearly, more specifically. The area of the range through which the transmission member 31 passes is reduced. Therefore, if the transmission member 31 is bent, a space to be secured for the transmission member 31 to rotate is smaller than when the transmission member 31 extends linearly. It will be downsized.
  • the engagement holes for engaging the cable end Ca formed at the end portion of the inner cable Ci are provided on the flange portion 31a and the outer wall portion 31b of the transmission member 31.
  • the outer wall portion 31b is formed. This is because the outer wall portion 31b can easily secure a space for piercing the engagement hole as compared with the flange portion 31a.
  • the flange portion 31a needs to have an extension in the vehicle width direction, whereas when the engagement hole is formed in the outer wall portion 31b, the outer wall portion 31b is formed in the vehicle width direction. There is no need to spread to. Therefore, in the present embodiment, the transmission member 31 is prevented from spreading in the vehicle width direction, and further downsizing of the seat S is realized.
  • the driving force transmission cable C is attached to the end of the transmission member 31 opposite to the side pushed by the seat back H2, that is, the other end 31d.
  • the end of the coil spring 33 is locked to the end of the transmission member 31 on the same side as the side pressed by the seat back H2, that is, the one end 31c. .
  • the coil spring 33 corresponds to the urging member of the present invention, and is located between the transmission member 31 and the connection bracket 20 in the vehicle width direction. More specifically, a coil spring 33 is wound around the rotation shaft 32 of the transmission member 31. One end portion of the coil spring 33 is fixed to the connection bracket 20, and the other end portion of the coil spring 33 is bent in a hook shape and hooked on one end portion 31 c of the transmission member 31.
  • the coil spring 33 as described above urges the transmission member 31 in a direction opposite to the direction when the seat back H2 rotating in the direction of falling toward the seat cushion H1 presses the transmission member 31. Due to the biasing force of the coil spring 33, the one end portion 31 c of the transmission member 31 is biased so as to fall back and comes into contact with the home position defining portion 21 provided on the connection bracket 20.
  • the home position defining portion 21 is a tongue-like protrusion provided on the uppermost portion of the connecting bracket 20 and extending outward in the width direction. is there.
  • the contact position of the transmission member 31 with the home position defining portion 21 is the position of the transmission member 31 illustrated in FIG. 8 and is the home position of the transmission member 31. That is, the transmission member 31 is held at the contact position with the home position defining portion 21 by the urging force of the coil spring 33 when not being pushed by the seat back H2. On the other hand, when the seat back H2 is pushed, the transmission member 31 rotates against the urging force of the coil spring 33 in a direction in which the one end portion 31c falls forward.
  • the coil spring 33 is attached to one end 31 c of the transmission member 31, and the driving force transmission cable C is attached to the other end 31 d of the transmission member 31.
  • the coil spring 33 and the driving force transmission cable C are attached to the opposite ends of the transmission member 31, so that each member is arranged rationally, and particularly the space around the transmission member 31 is effective. It becomes possible to use.
  • the rotation direction when the urging force of the coil spring 33 tries to rotate the transmission member 31 and the rotation direction when the transmission member 31 rotates when pulling the driving force transmission cable C are opposite to each other. For this reason, it is desirable that the attachment location of the coil spring 33 and the attachment location of the driving force transmission cable C be as far apart as possible. In this respect, the attachment mode of each of the coil spring 33 and the driving force transmission cable C described above is suitable.
  • both ends of the coil spring 33 in the vehicle width direction are inside the positions of both ends of the extending portion 4a of the L-shaped bracket 4, and the L-shaped bracket 4 rotates forward together with the seat back H2. It is arranged so as to be inside the rotation range when it is done.
  • the extending portion 4a of the L-shaped bracket 4 projects outward from the outer end of the coil spring 33 in the vehicle width direction.
  • the connecting bracket 20 is a sheet metal member having a substantially fan shape when viewed from the vehicle width direction, and has a function of connecting the seat back H2 and the seat cushion H1 as described above.
  • the connecting bracket 20 has a function of supporting the transmission member 31, the coil spring 33, and the driving force transmission cable C in addition to the above functions.
  • the rotation shaft 32 of the transmission member 31 extends from the end surface of the connection bracket 20 on the outer side in the vehicle width direction, and the connection bracket 20 connects the transmission member 31 via the rotation shaft 32. It is pivotably supported.
  • the transmission member 31 is arrange
  • the transmission member 31 is arrange
  • the housing 3a of the reclining mechanism 3 is joined to the end surface of the connecting bracket 20 on the inner side in the vehicle width direction. More specifically, the connection bracket 20 is formed with a hole into which a plurality of protrusions 3b protruding from the housing 3a of the reclining mechanism 3 are fitted, and the protrusion 3b is fitted into the hole and fixed by welding. As a result, the connecting bracket 20 is joined to the housing 3 a of the reclining mechanism 3.
  • the connection bracket 20 is attached to the seat back H ⁇ b> 2 via the reclining mechanism 3 by being joined to the housing 3 a of the reclining mechanism 3.
  • the joining location with the reclining mechanism 3 of the connection bracket 20, ie, said protrusion 3b fits into the hole formed in the connection bracket 20, and is welded.
  • the above-mentioned joint location exists at a position that is separated from the position where the rotation shaft 32 is provided by a substantially equal distance in the vertical and forward / backward directions.
  • the rotation shaft 32 is disposed within a substantially rectangular range surrounded by the joint portion when viewed from the vehicle width direction.
  • the rigidity of the part enclosed by the joining location with the reclining mechanism 3 among the connection brackets 20 is high, and the rigidity of the other part is high. Since 32 is provided, the support state of the transmission member 31 can be further stabilized.
  • connection bracket 20 was joined to the reclining mechanism 3 in the four joining locations, there should just be at least 3 or more about the said joining location. And the above-mentioned effect comes to be obtained by providing the rotating shaft 32 in the range enclosed by the joining location among the connection brackets 20.
  • the coil spring 33 is wound around the rotation shaft 32, one end is locked to the transmission member 31, and the other end is fixed to the connection bracket 20. Furthermore, with respect to the driving force transmission cable C, as shown in FIGS. 14 and 15, a holding portion 22 for holding the outer casing Ch is formed at the front portion of the connection bracket 20. The configuration of the holding unit 22 will be described later.
  • the connecting bracket 20 is configured by the inverted trapezoidal lower side portion 23 and the substantially semicircular upper side portion 24 as viewed from the vehicle width direction. Yes. Further, the sheet metal forming the connection bracket 20 is flanged, and a flange portion 25 protruding outward in the vehicle width direction is formed along a range excluding a part of the outer edge of the connection bracket 20. Yes. That is, the connection bracket 20 according to the present embodiment includes an end surface provided on the outer side in the vehicle width direction, and a flange portion 25 extending toward the outer side in the vehicle width direction from a position adjacent to the outer edge portion of the end surface. Here, the flange part 25 is corresponded to the connection member side extension part of this invention.
  • the flange portion 25 will be described in detail.
  • the flange portion 25 is formed over substantially the entire area of the outer edge of the lower side portion 23 of the connecting bracket 20 excluding the portion adjacent to the upper portion 24.
  • the portion located in the front and located in the center portion of the lower side portion 23 in the vertical direction is compared with the other portions. Thus, it protrudes somewhat more outward in the vehicle width direction.
  • a substantially circular hole-shaped notch is formed in the protruding part.
  • the outer casing Ch of the driving force transmission cable C is engaged with the substantially circular hole-shaped notch. That is, in the present embodiment, a part of the flange part 25 is cut out, and the holding part 22 for holding the driving force transmission cable C is formed by the notch. With this configuration, in the present embodiment, there is no need to separately provide a component for holding the driving force transmission cable C, and therefore the structure for holding the driving force transmission cable C is further simplified. .
  • the portion located at the upper end protrudes slightly forward from the front end of the upper portion 24, as shown in FIG. Is formed.
  • the flange portion 25 formed at a portion positioned at the upper end and positioned forward of the upper side portion 24 is formed substantially horizontally along the front-rear direction.
  • the flange portion 25 is connected to the extended portion 4a of the L-shaped bracket 4 when the L-shaped bracket 4 provided on the side frame 2 of the seat back H2 rotates in a direction that falls forward together with the seat back H2. Abut. As a result, the seat back H2 is restricted from further rotating in the direction of falling toward the seat cushion H1.
  • a part of the flange portion 25 is located at the front end of the movement range of the L-shaped bracket 4 and comes into contact with the L-shaped bracket 4 during the rotation of the seat back H2 and the seat back H2. It functions as a rotation restricting portion 26 that restricts further rotation.
  • a part for restricting the amount of rotation of the seat back H2 there is no need to separately provide a part for restricting the amount of rotation of the seat back H2, so that the structure for restricting the rotation of the seat back H2 is further simplified.
  • the flange portion 25 will be described in more detail. Of the outer edge portion of the upper portion 24 of the connecting bracket 20, the flange portion 25 is not formed in the front half, and the flange portion 25 is formed in the rear half. Here, in the flange portion 25 formed on the rear half of the outer edge portion of the upper portion 24, the portion located at the foremost side protrudes somewhat more outward in the vehicle width direction than the other portions. .
  • This somewhat projecting portion constitutes the above-described home position defining portion 21, and rotates in a direction in which the transmission member 31 falls to the rear side due to the urging force of the coil spring 33 when the transmission member 31 is not pushed by the seat back H 2. It abuts against one end 31c of the moving transmission member 31.
  • the flange portion 25 is not formed in the front half of the outer edge portion of the upper portion 24 of the connection bracket 20.
  • a range where the flange portion 25 is not formed and a range where the one end portion 31 c of the transmission member 31 passes when the transmission member 31 rotates are: Most of them overlap. Therefore, in this embodiment, when the transmission member 31 rotates, it is effective that the one end part 31c of the transmission member 31 unintentionally collides with the flange part 25 and obstructs rotation of the transmission member 31. It can be avoided. This effect will be described in more detail with reference to FIGS.
  • the transmission member 31 supported by the rotating shaft 32 When the transmission member 31 supported by the rotating shaft 32 is viewed from the vehicle width direction, only the end portion of the one end portion 31c of the transmission member 31 is the outer edge of the upper portion 24 of the connection bracket 20 as shown in FIG. The remaining portion of the transmission member 31 is located inside the outer edge of the connection bracket 20.
  • the one end portion 31c of the transmission member 31 When the transmission member 31 is not pressed by the seat back H2, that is, in a state where the transmission member 31 is positioned at the home position, the one end portion 31c of the transmission member 31 is a flange portion of the outer edge portion of the upper portion 24 of the connection bracket 20. 25 is located within a range where no 25 is provided. More specifically, the one end portion 31c of the transmission member 31 is located in the most rearward region in the range where the flange portion 25 is not provided.
  • the one end portion 31c of the transmission member 31 moves along the range where the flange portion 25 is not provided as shown in FIG. To do.
  • the transmission member 31 exceeds the range where the flange portion 25 is not provided, as shown in FIG.
  • the flange portion 25 is opposed to a portion forming the rotation restricting portion 26. More specifically, the one end portion 31 c of the transmission member 31 is positioned outside the rotation restricting portion 26 in the width direction and is aligned with the rotation restricting portion 26.
  • the flange portion 25 of the outer edge of the outer end surface of the connection bracket 20 has the flange portion 25 for most of the range through which the one end portion 31c of the transmission member 31 passes when the transmission member 31 rotates. Not formed. For this reason, it becomes possible to effectively avoid the flange portion 25 from unintentionally colliding with the transmission member 31 and hindering the rotation of the transmission member 31.
  • the transmission member 31 is arranged on the outer side in the vehicle width direction than the flange portion 25 formed on the connection bracket 20.
  • the flange portion 25 is not provided for at least a part of the range through which the one end portion 31c of the transmission member 31 passes when the transmission member 31 rotates, the transmission member 31 and the flange portion 25 Interference can be effectively suppressed.
  • the transmission is transmitted.
  • One end 31 c and the other end 31 d of the member 31 do not contact the connection bracket 20.
  • the present invention is not limited to this.
  • a portion located on the rear side in the flange portion 25, in particular, a portion formed on the rear upper portion of the outer edge portion of the lower side portion 23 is another portion. It is good also as protruding a little more outside in the vehicle width direction and contacting the transmission member 31 in comparison with.
  • the drive unit 10 of the seat cushion H1 is taken as an example of another movable member that is linked to the seat back H2 by the function of the link mechanism 30, but the member provided in the seat S is an example.
  • a member that operates when the sheet is stored, or a drive mechanism for driving the member may be handled as another movable member.
  • a vehicle seat S including a foot link unit 110 obtained by improving the drive unit 10 will be described with reference to FIGS.
  • a description will be given focusing on differences from the above-described embodiment in another embodiment of the present invention (hereinafter referred to as other embodiment).
  • the frame body F1 of the foot mechanism F includes a pair of foot bars 120 extending in the front-rear direction, a front connection bar 121 that connects the front ends of the foot bars 120, and a foot bar as shown in FIG. 120 includes a rear connection bar 122 that connects the rear ends of the foot 120 and a foot link unit 110.
  • the foot bar 120 corresponds to a seat fixing member
  • the front side connecting bar 121 corresponds to a seat side connecting member.
  • the pair of foot bars 120 are separated from each other in a state of being parallel to each other in the vehicle width direction, and one foot bar 120 is disposed below one end portion of the seat cushion frame 1 in the width direction of the seat S, and the other foot bar 120 is arranged under the other end of the seat cushion frame 1.
  • a tongue-like foot fixing portion 120a is formed at the front end portion of each foot bar 120, and the foot bar 120 is fixed to the vehicle floor by fastening means such as bolts. It will be fixed to the car body.
  • a foot cover 120c that covers the foot fixing portion 120a at an upper position is attached to the foot fixing portion 120a.
  • a mounting bracket 11 for attaching the seat cushion H1 to the foot bar 120 is provided at the rear end of each foot bar 120.
  • the mounting bracket 11 supports a rotation shaft (not shown), and supports the rear end portion of the seat cushion frame 1 via the rotation shaft so as to be rotatable.
  • the seat cushion frame 1 is supported by the mounting bracket 11, whereby the seat cushion H ⁇ b> 1 is attached to the foot bar 120.
  • the front connection bar 121 is a rectangular tube that connects the foot bars 120 in the width direction of the seat S, and the end thereof is welded to the front end region of each foot bar 120.
  • the rear connection bar 122 is a rectangular tube that connects the foot bars 120 in the width direction of the sheet S, and the end thereof is welded to the rear end region of the upper surface of each foot bar 120.
  • a foot link unit 110 is disposed at the center of the front connection bar 121. The foot link unit 110 operates when the driving force is transmitted from the seat back H2 side when the seat body H is stored, and guides the seat cushion H1 from the use position to the storage position.
  • the foot link unit 110 is interposed between the front connection bar 121 and the front end of the seat cushion frame 1 in the vertical direction, as shown in FIGS.
  • the front end of the frame 1 is connected.
  • one end of the driving force transmission cable C is hung on the foot link unit 110.
  • the driving force transmission cable C is hung on the seat back H2 side at the end opposite to the side hung on the foot link unit 110.
  • the foot link unit 110 includes a pair of link members 111 as rotating members.
  • Each of the pair of link members 111 is separated from each other in the width direction of the seat S, and is attached to the seat cushion H1 at the upper end portion thereof, more strictly, to the front end portion of the seat cushion frame 1.
  • the number of link members 111 is not limited to two, but may be at least one.
  • three or more link members 111 may be provided at regular intervals in the width direction of the sheet S.
  • Each link member 111 rotates about a rotation axis along the width direction of the seat S in order to move the seat cushion H1 to the storage position when the seat body H is stored, that is, when the seat S is stored.
  • each link member 111 is vertically divided into two, and the upper end portion of the upper link member piece 112 positioned on the upper side is connected to the front end of the seat cushion frame 1 via an upper support member 131 described later. It is attached to the part.
  • the lower end portion of the lower link member piece 113 positioned on the lower side is attached to the front connection bar 121 via a lower support member 141 described later.
  • the upper link member piece 112 corresponds to an upper rotating member piece
  • the lower link member piece 113 corresponds to a lower rotating member piece.
  • each link member piece 112,113 is comprised by the thick flat plate which consists of a resin material or a metal.
  • the lower end portion of the upper link member piece 112 and the upper end portion of the lower link member piece 113 are connected in a state where the link member pieces 112 and 113 can be rotated relative to each other.
  • the rotation axis when one of the upper link member piece 112 and the lower link member piece 113 rotates relative to the other is along the width direction of the sheet S. Specifically, This is a connecting shaft 119 described later.
  • the link member 111 configured as described above is in an extended state as shown in FIG. 19 when the sheet S is in an upright state. At this time, the central portion of the link member 111, that is, the connecting portion between the upper link member piece 112 and the lower link member piece 113 is positioned slightly forward of the upper end portion and the lower end portion of the link member 111. Yes.
  • the center portion of the link member 111 that is, the connecting portion between the upper link member piece 112 and the lower link member piece 113 is pulled to the rear side
  • the link member 111 is bent in a lateral V shape. This is because one end portion of the driving force transmission cable C is hung on the central portion of the link member 111, and the link member of the driving force transmission cable C is interlocked with the overturning operation of the seat back H2 when the seat S is stored. This is because the end on 111 is pulled backward.
  • the link member pieces 112 and 113 rotate around the rotation axis along the width direction of the sheet S so as to be pulled by the driving force transmission cable C.
  • the lower link member piece 113 is in a state where the lower end portion thereof is rotatably supported by the lower rotation shaft 104.
  • the lower rotation shaft 104 corresponds to the rotation shaft, and is arranged such that the axial direction is along the width direction of the sheet S.
  • one end portion of the driving force transmission cable C is hung on the upper end portion of the lower link member piece 113 as described above.
  • the upper link member piece 112 is in a state where its upper end is rotatably supported by the upper rotation shaft 105.
  • the upper turning shaft 105 is arranged so that the axial direction is along the width direction of the sheet S, and is further arranged along a connecting shaft 119 described later.
  • one end portion of the driving force transmission cable C is hung on the lower end portion of the upper link member piece 112 as described above.
  • the lower end portion of the upper link member piece 112 is rotatably supported by the connecting shaft 119.
  • the connecting shaft 119 is a shaft body for connecting the upper link member piece 112 and the lower link member piece 113, and the axial direction thereof is along the width direction of the sheet S.
  • the connecting shaft 119 will be described in detail. As shown in FIG. 18, the connecting shaft 119 is located between the pair of link members 111. And the center part of each link member 111, ie, the connection part of the upper side link member piece 112 and the lower side link member piece 113, is each rotatably supported by each of the axial direction both ends of the connection shaft 119. .
  • the connecting shaft 119 is connected to the upper link member piece of the other link member 111 from the connecting portion of the upper link member piece 112 and the lower link member piece 113 of the one link member 111 of the pair of link members 111. It extends to the connecting portion between 112 and the lower link member piece 113. Further, the axial end portion of the connecting shaft 119 is caulked to form a retainer.
  • the lower link member piece 113 is Since the upper end portion is pulled backward by the driving force transmission cable C, the upper end portion rotates so as to fall backward. Further, since the lower end portion of the upper link member piece 112 is pulled rearward by the driving force transmission cable C, the upper link member piece 112 rotates relative to the lower link member piece 113 in a direction of falling forward. More specifically, the upper link member piece 112 rotates so as to intersect the lower link member piece 113 in the same manner as the scissors blade. At this time, the upper link member piece 112 rotates around the upper rotation shaft 105. Accordingly, the seat cushion H1 attached to the upper end portion of the upper link member piece 112 operates so as to rotate relative to the upper link member piece 112.
  • each part of the link member 111 that is, the upper link member piece 112 and the lower link member piece 113 operate as described above, so that the link member 111 is finally bent as shown in FIG. become. That is, at the time when the bending operation of each link member 111 executed for storing the seat body H is completed, each of the upper link member piece 112 and the lower link member piece 113 is substantially in the same position in the vertical direction. The posture extends along the longitudinal direction of the vehicle. By reaching such a state, the seat cushion H1 reaches the storage position.
  • each of the upper link member pieces 112 are respectively attached to the front end portion of the seat cushion frame 1 via the upper support member 131 described later. It is attached.
  • each of the upper link member pieces 112 is attached to a central portion in the width direction of the seat S in the front end portion of the seat cushion frame 1.
  • the link member 111 is within the range where the seat cushion H1 is disposed in the width direction of the seat S. That is, each link member 111 is disposed so as not to protrude outward from both ends in the width direction of the seat cushion H1. Therefore, with the configuration of the other embodiment, it is possible to suppress an increase in size of the sheet S, particularly an increase in the width direction of the sheet S, while the link member 111 is provided.
  • the upper link member piece 112 is located on the outer side in the width direction of the sheet S than the lower link member piece 113.
  • the upper link member piece 112 positioned on the most end side in the width direction of the sheet S is the lower side included in each of the pair of link members 111. It is located on one end side in the width direction of the sheet S with respect to any of the link member pieces 113.
  • the upper link member piece 112 positioned on the other end side in the width direction of the sheet S is the other end in the width direction of the sheet S than any of the lower link member pieces 113 included in each of the pair of link members 111. Located on the side. With such a positional relationship, the seat cushion H1 including the seat cushion frame 1 can be more stably supported.
  • the upper link member piece 112 of each link member 111 supports the seat cushion H1, particularly the front end portion of the seat cushion frame 1, via an upper support member 131 described later.
  • the seat S width of the positions where the upper link member piece 112 supports the seat cushion frame 1 is determined. In the direction, the distance between the position located closest to one end and the position located closest to the other end is longer. As a result, the seat cushion H1 including the seat cushion frame 1 is stably supported by each upper link member piece 112.
  • the position where the upper link member piece 112 supports the seat cushion frame 1 is shifted from the position where the frame-side connector 102 is disposed in the width direction of the seat S. , Between the arrangement positions of the frame side coupling body 102. By such a positional relationship, interference between the upper link member piece 112 and the frame-side connector 102 is suppressed.
  • a connecting member 114 as a rotating member connecting portion is provided between the pair of link members 111.
  • the connecting member 114 extends in the width direction of the sheet S and connects the pair of link members 111. More specifically, the connecting member 114 according to another embodiment is divided into two parts, an upper connecting member 115 that connects the upper link member pieces 112 to each other, and a lower member that connects the lower link member pieces 113 to each other. It is comprised by the side connection member 116.
  • the upper connecting member 115 has a substantially flat plate shape, and the upper link member pieces 112 are erected so as to be orthogonal to the upper connecting member 115 at both end positions of the upper connecting member 115 in the width direction of the sheet S. .
  • the pair of upper link member pieces 112 and the upper connecting member 115 are integrally formed and have a substantially U shape.
  • the lower connecting member 116 has a substantially flat plate shape, and the lower link member pieces 113 are orthogonal to the lower connecting member 116 at both end positions of the lower connecting member 116 in the width direction of the sheet S. So that it is erected.
  • the pair of lower link member pieces 113 and the lower connecting member 116 are integrally formed and have a substantially U shape.
  • the connecting member 114 strictly speaking, the upper connecting member 115 and the lower connecting member 116 constituting the connecting member 114 are arranged on the frame side in the width direction of the sheet S as shown in FIGS. It arrange
  • positioned may be straddled.
  • the rigidity is higher than that of the other portions.
  • the connecting member 114 is disposed so as to straddle the position where the frame side connector 102 is disposed, the attachment rigidity of the connecting member 114 to the link member 111 attached to the connecting member 114 is high. improves.
  • the foot link unit 110 includes an upper support member 131, a lower support member 141, and a spiral spring 106 as constituent elements in addition to the link member 111 and the connecting member 114 described above.
  • the upper support member 131 supports the upper link member piece 112 of each link member 111 and is fixed to the lower end surface of the front end portion of the seat cushion frame 1.
  • the upper support member 131 rotatably supports each upper link member piece 112 via the upper rotation shaft 105.
  • the upper support member 131 is formed between a pair of link support portions 132 arranged at intervals in the width direction of the sheet S and the link support portions 132. And a facing portion 133 that faces the lower support member 141.
  • Each of the pair of link support portions 132 is fixed to the lower end surface of the front end portion of the seat cushion frame 1 by welding and extends toward the rear end of the seat cushion frame 1.
  • the upper rotation shaft 105 is attached to the rear end portion of the link support portion 132, and the upper end portion of the upper link member piece 112 is rotatably supported by the upper rotation shaft 105. That is, the upper link member piece 112 is rotatably supported on the rear end portion of the link support portion 132 via the upper rotation shaft 105.
  • the upper link member piece 112 is disposed outside the link support portion 132 in the width direction of the sheet S.
  • the upper link member piece 112 positioned on the most end side in the width direction of the sheet S is included in the sheet S of the pair of link support portions 132. It exists in the width direction one end side rather than the link support part 132 located in the one end side of the width direction.
  • the upper link member piece 112 positioned on the other end side in the width direction of the sheet S is located on the other end side in the width direction with respect to the link support portion 132 positioned on the other end side in the width direction of the sheet S.
  • the facing portion 133 has a substantially rectangular plate shape, is disposed at a position below the front end portion of the seat cushion frame 1, and spreads in the width direction of the seat S to connect the link support portions 132 to each other.
  • the lower surface 133a of the facing portion 133 is a facing surface that faces the lower support member 141, and corresponds to a contact surface that comes into contact with the lower support member 141 when each link member 111 is completely bent when the sheet S is stored. To do.
  • irregularities are formed on the lower surface 133 a of the facing portion 133. More specifically, as shown in FIG. 19, a recess 133b formed so as to be recessed toward the seat cushion frame 1 at a position slightly inside the both ends of the lower surface 133a in the width direction of the seat S. Is provided. Since the unevenness is formed on the lower surface 133a of the facing portion 133 that comes into contact with the lower support member 141 in this way, the rigidity of the upper support member 131 is improved. Therefore, when the support members 131 and 141 come into contact with each other. It is possible to suppress the upper support member 131 from being deformed or the like by the generated impact.
  • the lower support member 141 supports the lower link member piece 113 of each link member 111. In another embodiment, the lower link member piece 113 is rotated via the lower rotation shaft 104. Support freely.
  • the lower support member 141 is fixed to the upper end surface of the center portion of the front connection bar 121. As described above, in another embodiment, the lower support member 141 is fixed to the front connection bar 121 by utilizing the relatively high rigidity of the front connection bar 121 that connects the foot bars 120. Thereby, the attachment rigidity with respect to the lower side support member 141 improves.
  • the lower support member 141 includes a pair of link support portions 142 arranged at intervals in the width direction of the sheet S, and a link support. It has the opposing part 143 which is located between the parts 142 and opposes the upper side support member 131.
  • Each of the pair of link support portions 142 is fixed to the upper end surface of the center portion of the front connection bar 121 by welding and extends rearward.
  • the lower side rotation shaft 104 is attached to the rear-end part of the link support part 142, and the lower end part of the lower side link member piece 113 is rotatably supported by the said lower side rotation shaft 104.
  • the lower link member piece 113 is disposed inside the link support portion 142 in the width direction of the sheet S. That is, the end surface (inner end surface) of the link support portion 142 on one end side in the width direction of the sheet S among the lower support members 141 is from any of the lower link member pieces 113 provided in each of the plurality of link members 111. Is also located on one end side in the width direction of the sheet S. Further, among the lower support members 141, the end surface (inner end surface) of the link support portion 142 on the other end side in the width direction of the sheet S is any of the lower link member pieces 113 provided in each of the plurality of link members 111. It is located on the other end side in the width direction of the sheet S.
  • the lower support member 141 has a somewhat wider structure in the width direction of the sheet S. Accordingly, the lower link member piece 113 and the seat cushion H1 positioned above the lower link member piece 113 and indirectly supported by the lower link member piece 113 can be more stably supported. become.
  • the facing portion 143 has a substantially rectangular plate shape, is disposed above the center portion of the front connection bar 121, and spreads in the width direction of the sheet S to connect the link support portions 142 to each other.
  • the upper surface 143a of the facing portion 143 is a facing surface that faces the upper support member 131, and corresponds to a contact surface that comes into contact with the upper support member 131 when each link member 111 is completely bent when the sheet S is stored.
  • the upper surface 143a of the facing portion 143 is a flat surface having no irregularities, unlike the lower surface 133a of the facing portion 133 of the upper support member 131.
  • the concavities and convexities formed on the facing surface of the opposing support members 131 and 141 among the lower surface 133a of the facing portion 133 of the upper support member 131 and the upper surface 143a of the facing portion 143 of the lower support member 141, It is only necessary to be formed on at least one side. For example, irregularities may be formed on the upper surface 143 a of the facing portion 143 of the lower support member 141.
  • the support member having the link support portions 132 and 142 outside the link member pieces 112 and 113 in the width direction of the sheet S in another embodiment, the upper support member 131). Is wider. For this reason, it is easy to form unevenness, and it is desirable to form unevenness on the contact surface of the support member.
  • the upper support member 131 and the lower support member 141 come into contact with each other as shown in FIG. 21 when the link member 111 is completely bent when the sheet S is stored.
  • the time when the link member 111 is completely bent is when the seat cushion H1 reaches the storage position.
  • the upper support member 131 is moved.
  • the lower end surface (the lower surface 133a of the facing portion 133) and the upper end surface of the lower support member 141 (the upper surface 143a of the facing portion 143) abut. In this manner, the support members 131 and 141 are brought into contact with each other, whereby further relative rotation of the upper link member piece 112 with respect to the lower link member piece 113 is restricted.
  • the support members 131 and 141 support the corresponding link member pieces 112 and 113 and also function as stoppers for restricting the amount of rotation of the link member pieces 112 and 113.
  • the number of parts is reduced. It becomes possible to reduce.
  • the link support portion 142 of the lower support member 141 is used.
  • the upper end portion of the upper link member piece 112, that is, the end portion on the side supported by the upper support member 131 is positioned above the rear end portion.
  • the rear end portion of the link support portion 142 of the lower support member 141 and the upper end portion of the upper link member piece 112 are spaced apart by providing a slight clearance in the vertical direction.
  • the lower link member piece is positioned below the rear end portion of the link support portion 132 of the upper support member 131.
  • the lower end portion of 113 that is, the end portion on the side supported by the lower support member 141 is positioned.
  • the rear end portion of the link support portion 132 of the upper support member 131 and the lower end portion of the lower link member piece 113 are spaced apart by providing a slight clearance in the vertical direction.
  • the spiral spring 106 biases both the upper link member piece 112 and the lower link member piece 113 of each link member 111 to return them to their positions before the seat main body H is stored. It is. That is, the spiral spring 106 applies an urging force to each link member 111 in order to hold the link member 111 in the extended posture, that is, the posture illustrated in FIG. Therefore, in order to store the seat body H, each link member 111 is bent against the urging force of the spiral spring 106, in other words, the upper link member piece 112 and the lower link member piece 113 are rotated. Become.
  • the configuration of the spiral spring 106 will be described. It is a known spiral spring, one end of which is locked to the upper connecting member 115 and the other end is locked to the lower connecting member 116. Then, the spiral spring 106 indirectly biases the upper link member piece 112 integral with the upper connection member 115 by biasing the upper connection member 115. More specifically, the spiral spring 106 urges the portion of the upper connecting member 115 located on the seat cushion H1 side toward the rear. Due to this urging force, the upper connecting member 115 and the upper link member piece 112 are inclined slightly rearward.
  • the spiral spring 106 indirectly biases the lower link member piece 113 integrated with the lower connection member 116 by biasing the lower connection member 116. More specifically, the spiral spring 106 urges a portion of the lower connecting member 116 located on the vehicle body floor side toward the rear. Due to this urging force, the lower connecting member 116 and the lower link member piece 113 are inclined slightly forward.
  • each link member 111 is maintained in the extended posture unless a traction force from the driving force transmission cable C is applied. As a result, the position of the seat cushion H1 is held at the use position.
  • the spiral spring 106 having the above functions is disposed in a state of being wound around the central portion of the connecting shaft 119 disposed between the link members 111.
  • the spiral spring 106 is arranged by effectively using the space around the connecting shaft 119, the increase in size of the sheet S can be more efficiently suppressed.
  • the connecting shaft 119 is attached to a central portion of the link member 111, that is, a connecting portion between the upper link member piece 112 and the lower link member piece 113.
  • the upper link member piece 112 and the lower link member piece 113 are attached to the ends of the connecting member 114 (specifically, the upper connecting member 115 and the lower connecting member 116) in the width direction of the sheet S. ing.
  • each of the upper link member piece 112 and the lower link member piece 113 intersects the end portion of the connecting member 114 in the width direction of the sheet S.
  • the pair of upper link member pieces 112 and the upper connection member 115 have a substantially U-shaped structure, and similarly, the pair of lower link member pieces 113 and the lower connection member 116 are formed as a pair. It has a substantially U-shaped structure.
  • the spiral spring 106 is disposed inside the U-shaped structure formed by the connecting members 115 and 116 corresponding to the link member pieces 112 and 113.
  • the spiral spring 106 is positioned between both ends of the connecting member 114 (specifically, the upper connecting member 115 and the lower connecting member 116) in the width direction of the sheet S, and a pair of lower link member pieces. 113 and between the pair of upper link member pieces 112.
  • the spiral spring 106 is disposed by effectively using the space between the link member pieces 112 and 113, it is possible to further efficiently suppress the increase in size of the sheet S.
  • a cover member 150 may be provided at a front position of the foot link unit 110 as shown in FIG.
  • the cover member 150 is configured to be movable so that the lower end portion of the cover member 150 is directed upward when the link member 111 of the foot link unit 110 is bent and the seat cushion H1 moves toward the storage position. It should be able to swing. With such a configuration, it is possible to suppress the cover member 150 from interfering with the operation of the link member 111.
  • the cover member 150 is made of a material that can be elastically deformed and can be deformed so as to be bent when the link member 111 is bent. With such a configuration, it is possible to more effectively suppress the cover member 150 from interfering with the operation of the link member 111. In order to achieve such an effect, the cover member 150 may be made of a rubber body or cloth.
  • the skin terminal locking structure shown in FIG. 25 employed in the vehicle rear seat shown in FIG. 24 (hereinafter referred to as seat S) has improved rigidity and workability when locking the skin terminal. In addition, it has been downsized by a compact arrangement.
  • the seat back H2 of the seat S shown in FIG. 24 covers a pipe frame and a pan frame (not shown), a cushion material 230 disposed on the front side of the pipe frame and the pan frame, and a pipe frame, a pan frame and a cushion material 230. And a carpet 250 covering the back of the pan frame.
  • the skin 240 is formed so as to cover the front side, the side surface, the upper surface side, and the lower surface side of the pipe frame, the bread frame, and the cushion material 230.
  • the carpet 250 is made of a substantially rectangular plate-like carpet for seat back, and is attached by being bonded so as to cover the back surface of the pan frame.
  • a wood grain groove 212 having a substantially U-shaped cross section is formed on the entire outer periphery of the back surface of the pan frame. As shown in FIG. 25, the wood groove 212 is disposed on the outer side of the pan frame and substantially parallel to the first wall portion 213 on the outer side of the pan frame and the first wall portion 213 on the outer side of the pan frame. It consists of a substantially plate-shaped second wall 214 and a substantially U-shaped cross section having a first wall 213 and a connecting portion 215 that connects the ends of the second wall 214.
  • the wood groove 212 may be disposed over the entire outer periphery of the rear surface of the pan frame, or may be disposed only on the upper and lower outer edges of the rear surface of the pan frame, or both left and right sides. It is good also as arrange
  • the wood grain groove 212 is arranged as a narrow one at a predetermined interval, and a plurality of narrow wood grain grooves 212 are arranged. May be formed.
  • a cut-and-raised portion 216 is formed in the first wall portion 213 of the wood-groove groove 212 by cutting and raising the substantially center of the first wall portion 213 in the longitudinal direction over substantially the entire length. Projecting toward the first wall portion 213 is formed at an acute angle.
  • the cut-and-raised portion 216 is formed of a substantially plate-like body that is long in the longitudinal direction of the first wall portion 213, and includes an inner surface 217 on the opposite side of the second wall portion 214, an outer surface 218 on the second wall portion 214 side, and a connecting portion. 215 side end surface 219.
  • the cut-and-raised portion 216 may be formed by cutting and raising substantially the center in the longitudinal direction of the first wall portion 213, or cut and raise a portion close to the opening side of the graining groove 212 of the first wall portion 213. May be.
  • the cut-and-raised portion 216 can be easily formed by cutting and raising the first wall portion 213 of the wood-grooved groove 212, workability for locking the epidermal terminal is improved.
  • the cut-and-raised portion 216 is formed by cutting and raising the longitudinal direction of the first wall portion 213 over substantially the entire length.
  • the cut-and-raised portion 216 is cut and raised as being narrow at a predetermined interval, and a plurality of narrow cut-and-raised portions are formed. 216 may be formed. Further, the cut-and-raised portion 216 may be formed by separately fixing or screwing a substantially plate-like body to the first wall portion 213 of the wood grain groove 212.
  • the entire grain groove 212 can be arranged in a compact arrangement, and a smaller structure for locking the skin terminal can be obtained. Realized.
  • the first wall portion 213 is formed with a hole 221 that is a portion other than the cut and raised portion 216 and is generated by cutting and raising the cut and raised portion 216.
  • the hole 221 includes a gap that is long in the longitudinal direction of the first wall portion 213.
  • the hole 221 may be formed by cutting and raising the first wall portion 213, or may be formed by providing a separate through hole in the first wall portion 213 or by providing a separate recess.
  • the terminal of the skin 240 is formed in a substantially rectangular shape, and each skin piece 241 is disposed on each end of the substantially rectangular shape over a substantially entire length.
  • the terminal of the skin 240 and the terminal on the skin 240 side of the skin piece 241 are sewn with a thread.
  • the skin piece 241 covers a part of the back surface of the bread frame so as to have a substantially U-shaped cross section along the shape of the bread frame.
  • a holding member 243 is disposed over substantially the entire length of the skin terminal 242, and as shown in FIG. 25, the second wall of the holding member 243 The portion close to the end on the side of the portion 214 is sewn to the skin terminal 242 with a thread.
  • the holding member 243 has a substantially J-shaped cross section made of a resin that is long in the longitudinal direction of the grained groove 212, and is disposed so as to face the substantially plate-like first wall portion 244 and the first wall portion 244 substantially in parallel.
  • the substantially plate-like second wall portion 245 and the connecting portion 246 that connects the end portions of the first wall portion 244 and the second wall portion 245 are formed in a single shape.
  • the holding member 243 has an internal space surrounded by the first wall portion 244, the second wall portion 245, and the connecting portion 246, and further has an opening 247 on the opposite side of the connecting portion 246 of the holding member 243.
  • the length of the first wall portion 244 is formed to be shorter than the length of the second wall portion 245.
  • the holding member 243 illustrated in FIG. 25 is formed of a substantially J-shaped cross section in which the length of the first wall portion 244 is shorter than the length of the second wall portion 245, but the holding member 243 is not limited thereto.
  • the first wall 244 and the second wall 245 are substantially U-shaped in cross section having substantially the same length, and the substantially H-shaped cross section in which the first wall 244 and the second wall 245 connect other than the end part, Or the shape which consists of a cross-section substantially n-shaped body by which any one of the edge part of the 1st wall part 244 and the edge part of the 2nd wall part 245 is connected with the other wall part may be sufficient.
  • the holding member 243 is flexible and has a shape that is wider than the width between the first wall portion 213 and the second wall portion 214 of the grained groove 212.
  • the holding member 243 is locked in the grain groove 212 by a repulsive force that tends to spread in the direction in which the first wall portion 244 and the second wall portion 245 are separated.
  • the holding member 243 may be formed in a long shape and may be disposed over substantially the entire length of the skin terminal 242. A plurality of narrow holding members 243 are fixed as being narrow at a predetermined interval. May be.
  • the holding member 243 has a protrusion 248 at the tip of the first wall 244 on the opening 247 side.
  • the projecting portion 248 has a substantially semi-arrow shape in cross section, is inclined from the end of the first wall portion 244 opposite to the connecting portion 246 to the connecting portion 246 side, and protrudes toward the second wall portion 245 side.
  • the protrusion 248 is formed substantially at right angles to the first wall 244.
  • the protrusion upper surface 249 has a rounded shape.
  • the protruding portion 248 may be formed at a substantially right angle with respect to the first wall portion 244, or may be formed at an acute angle with respect to the first wall portion 244. Further, the protrusion 248 may have a shape having a substantially flat cross section or a shape having a substantially arrow cross section.
  • the upper surface 249 of the protrusion which is the upper surface of the protrusion 248, has a rounded shape, but may have a flat surface.
  • the carpet terminal 251 which is the terminal of the carpet 250 is locked to the grain groove 212 formed on the back surface of the pan frame.
  • the carpet terminal 251 has an engaging member 252 disposed over substantially the entire length of the carpet terminal 251 and is sewn to the carpet terminal 251 with a thread.
  • the engaging member 252 is a substantially plate-like body made of resin that is long in the longitudinal direction of the wood groove 212.
  • the engaging member 252 may be disposed over substantially the entire length of the carpet terminal 251.
  • the engaging member 252 is disposed as a narrow one at a predetermined interval, and a plurality of narrow engaging members 252 are fixed. It is good to be.
  • engaging member 252 is sewn at the approximate center of the longitudinal section of the engaging member 252, it may be fixed by sewing both ends or the like.
  • the carpet terminal 251 and the engaging member 252 are surrounded by being in contact with the first wall portion 244, the second wall portion 245, and the connecting portion 246 that form the internal space of the holding member 243. Therefore, the carpet terminal 251 and the engaging member 252 are locked in the internal space of the holding member 243.
  • the width between the first wall portion 213 and the second wall portion 214 of the wood groove 212 is formed to be small so that the skin terminal 242 and the carpet terminal 251 come into contact with each other. Therefore, it is not further detached from the grain groove 212 due to friction between the skin terminal 242 and the carpet terminal 251.
  • the protruding portion 248 is close to the cut and raised portion 216, and the protruding portion upper surface 249 is disposed to face the corner portion 220. Therefore, when a force in the direction of pulling the holding member 243 from the outside toward the opening side of the graining groove 212 is applied, the protrusion upper surface 249 and the corner portion 220 are brought into contact with each other, and the removal of the holding member 243 can be restricted.
  • the protrusion upper surface 249 may be a flat surface, and a flat surface may be formed at the corner portion 220. In this way, the holding members 243 are brought into contact with each other on a surface substantially perpendicular to the pulling direction applied to the opening side of the wood-grooving groove 212, and the removal of the holding member 243 can be further restricted.
  • the protrusion 248 is close to the hole 221, and the protrusion 248 and the hole 221 are arranged to face each other. Therefore, when a force in the direction in which the holding member 243 is pulled from the outside toward the opening side of the graining groove 212 is applied, the protruding portion 248 comes into contact with the cut and raised portion 216 and then moves to the hole 221 side. Then, the slope of the protrusion 248 on the opening 247 side and the inner surface 217 of the cut-and-raised portion 216 are brought into contact with each other, so that the retaining member 243 can be further prevented from coming off.
  • the protrusion 248 and the first wall 244 are in contact with the first wall 213 and are arranged to face each other. Therefore, it is possible to restrict the protrusion 248 from excessively moving to the hole 221 side, and it is possible to maintain a state in which the holding member 243 surrounds the carpet terminal 251 and the engaging member 252.
  • the projection part 248 is adjoining to the cut-and-raised part 216 and the projection part upper surface 249 is arrange
  • the protrusion upper surface 249 may be provided so as to contact the end surface 219 of the cut and raised portion 216. In this way, the protrusion 248 can be easily moved to the carpet terminal 251 side, the holding member 243 can further surround the carpet terminal 251 and the engaging member 252, and the rigidity of the locking structure can be further improved. .
  • the engaging member 252 is close to the projecting portion 248, and is disposed so that the holding member 243 abuts each other on a surface substantially perpendicular to the direction in which the holding member 243 is pulled out to the opening side of the wood grain groove 212. For this reason, it is possible to further prevent the holding member 243 from coming off and the carpet terminal 251 and the engaging member 252 from coming off. Further, since the carpet terminal 251 and the engaging member 252 are surrounded by the holding member 243, the fixing strength of the carpet terminal 251 in the wood grain groove 212 is improved.
  • the outer skin terminal 242 Since the second wall portion 245 of the holding member 243 is sandwiched between the outer skin terminal 242 and the second wall portion 214, the outer skin terminal 242 is difficult to come into contact with the second wall corner portion 214a. Therefore, even if a force in the direction of pushing the skin terminal 242 into the wood grain groove 212 is applied from the outside, the skin terminal 242 is not easily damaged by the second wall corner portion 214a.
  • the terminal of the separate skin and the skin terminal 242 covered on the back side of the pan frame instead of the carpet 250. May be connected to each other. That is, the engaging member 252 is sewn to the terminal of the separate skin, and the engaging member 252 is surrounded by the wood grain groove 212 in the same manner as described above to connect the skin 240 and the terminals of the separate skin. Is done.
  • the skin 240 and the separate skin may be composed of the same material, or the skin 240 is composed of genuine leather, synthetic leather, etc., and the separate skin is composed of needle punches, etc. May be.
  • a bag-shaped skin covering the entire seat back H2 may be used to connect the ends of the bag-shaped skin to the wood grain groove 212.
  • the skin terminal locking structure described so far is mainly used for the seat back of a vehicle rear seat, but is not limited to this, and any seat component covered with a skin can be used for a vehicle. It can also be applied to front seats and vehicle middle seats.

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

L'invention concerne une structure pour un siège de véhicule qui est configurée de façon à ce que, quand une unité motrice se déplace en association avec le mouvement d'un dossier de siège, un corps rotatif est mis en rotation par la pression du dossier et la structure peut préserver la compacité du siège de véhicule. Un siège est équipé d'un mécanisme de liaison pour associer le mouvement d'une unité motrice au mouvement d'un dossier de siège qui se replie vers une assise de siège. Le dossier et l'assise de siège sont raccordés par une articulation disposée sur le côté à la fois du dossier et de l'assise dans le sens de la largeur du véhicule. Le siège de véhicule est pourvu d'un élément de transmission qui tourne afin d'associer le mouvement de l'unité motrice au mouvement du dossier de siège. L'élément de transmission est situé tout à côté de l'articulation dans le sens de la largeur du véhicule et est mis en rotation par la pression du dossier qui se replie vers l'assise de siège. La partie de l'élément de transmission qui est soumise à la pression du dossier est située à l'extérieur du bord extérieur de l'articulation.
PCT/JP2013/085236 2012-12-31 2013-12-27 Siège de véhicule WO2014104353A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US13/731,269 2012-12-31
US13/731,328 US8998331B2 (en) 2012-12-31 2012-12-31 Vehicle seat
US13/731,487 US9027994B2 (en) 2012-12-31 2012-12-31 Locking structure for skin terminals of vehicle seat and vehicle seat provided with locking structure
US13/731,328 2012-12-31
US13/731,487 2012-12-31
US13/731,269 US9050914B2 (en) 2012-12-31 2012-12-31 Vehicle seat

Publications (1)

Publication Number Publication Date
WO2014104353A1 true WO2014104353A1 (fr) 2014-07-03

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Application Number Title Priority Date Filing Date
PCT/JP2013/085236 WO2014104353A1 (fr) 2012-12-31 2013-12-27 Siège de véhicule

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WO (1) WO2014104353A1 (fr)

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CN109153343A (zh) * 2016-07-20 2019-01-04 株式会社泰极爱思 车辆用座椅

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* Cited by examiner, † Cited by third party
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CN109153343A (zh) * 2016-07-20 2019-01-04 株式会社泰极爱思 车辆用座椅
US10703232B2 (en) * 2016-07-20 2020-07-07 Tachi-S Co., Ltd. Vehicle seat
CN109153343B (zh) * 2016-07-20 2021-03-26 株式会社泰极爱思 车辆用座椅

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