WO2017171663A1 - Structure de fils métalliques de siège de véhicule et siège de véhicule - Google Patents

Structure de fils métalliques de siège de véhicule et siège de véhicule Download PDF

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Publication number
WO2017171663A1
WO2017171663A1 PCT/TH2016/000030 TH2016000030W WO2017171663A1 WO 2017171663 A1 WO2017171663 A1 WO 2017171663A1 TH 2016000030 W TH2016000030 W TH 2016000030W WO 2017171663 A1 WO2017171663 A1 WO 2017171663A1
Authority
WO
WIPO (PCT)
Prior art keywords
wire
seat
reinforcement
vehicle width
vehicle seat
Prior art date
Application number
PCT/TH2016/000030
Other languages
English (en)
Inventor
Prad NOCHAIWONG
Original Assignee
Asian Honda Motor Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asian Honda Motor Co., Ltd. filed Critical Asian Honda Motor Co., Ltd.
Priority to PCT/TH2016/000030 priority Critical patent/WO2017171663A1/fr
Publication of WO2017171663A1 publication Critical patent/WO2017171663A1/fr

Links

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
    • B60N2/005—Arrangement or mounting of seats in vehicles, e.g. dismountable auxiliary seats
    • B60N2/01—Arrangement of seats relative to one another
    • B60N2/012—The seat support being a part of the vehicle body or chassis
    • 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
    • B60N2/005—Arrangement or mounting of seats in vehicles, e.g. dismountable auxiliary seats
    • B60N2/015—Attaching seats directly to vehicle chassis
    • 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
    • B60N2/68—Seat frames
    • 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
    • B60N2/70—Upholstery springs ; Upholstery

Definitions

  • the present invention relates to a vehicle seat wire structure and a vehicle seat.
  • a vehicle seat has a configuration in which a wire structure is embedded in a seat pad.
  • the seat pad includes a main support part that is arranged in the vicinity of the center in the vehicle width direction and a side support part that extends from both sides in the vehicle width direction of the main support part (for example, refer to Patent Document 1).
  • the wire structure of Patent Document 1 includes a lower frame wire that is embedded at the lower part of the side support part, an upper frame wire that is embedded at the upper part of the side support part, and a spring wire that is wound rotatably around the lower frame wire and the upper frame wire.
  • the above wire structure is embedded in the side support part, and thereby support performance for an occupant at the side support part may be improved.
  • Patent Document 1 Japanese Examined Patent Application, Second Publication No. S61 -444883
  • Patent Document 1 is a configuration in which the spring wire is rotated with respect to the upper frame wire and the lower frame wire in accordance with a relative displacement of the upper frame wire and the lower frame wire, there is also a problem in that an abnormal noise may easily occur at the time of the rotation.
  • an object of an aspect of the present invention is to provide a vehicle seat wire structure and a vehicle seat capable of securing support performance and also capable of simplifying the configuration and reducing costs.
  • a vehicle seat wire structure and a vehicle seat according to an aspect of the present invention employs the following configurations.
  • a vehicle seat wire structure includes: a first wire that extends in a front-to-rear direction and is embedded in a side part which is arranged at an end part in a vehicle width direction of a seat pad of a vehicle seat; a second wire that extends in the front-to-rear direction and is embedded above the first wire in the side part; and a reinforcement wire that is oblique to a vertical direction and is embedded in the side part, wherein a rear end part of the second wire is fixed to a rear end part of the first wire, a first end part in the vertical direction of the reinforcement wire is fixed to the first wire, and a second end part in the vertical direction of the reinforcement wire is fixed to the second wire.
  • the fixing part between the reinforcement wire and the second wire may be arranged at a more frontward position than the fixing part between the reinforcement wire and the first wire.
  • the vehicle seat wire structure may include a third wire that extends in the vehicle width direction and is embedded in a front part of the seat pad, wherein part of the first wire may be fixed to the third wire and arranged at a more frontward position than the fixing part between the reinforcement wire and the first wire, and part of the second wire may be fixed to the third wire and arranged at a more frontward position than the fixing part between the reinforcement wire and the second wire.
  • a vehicle seat wire structure of any of the above (1) to (3) is embedded in a seat pad.
  • the rigidity of the side part can be secured. Therefore, it is possible to prevent a crush deformation in the vertical direction of the side part, a bending deformation outward in the vehicle width direction, or the like to improve the support provided to an occupant (improve support performance).
  • the reinforcement wire is fixed to the first wire and the second wire, when a load downward or outward in the vehicle width direction acts on the side part and the second wire is displaced with respect to the first wire, the second wire can be biased upward or inward in the vehicle width direction by the reinforcement wire.
  • the reinforcement wire is sloped with respect to the vertical direction, the reinforcement wire is flexibly deformed upon the displacement of the second wire. Thereby, it is possible to improve an elastic force of the second wire and reliably prevent the crush deformation or the bending deformation described above, and it is possible to prevent an excess displacement of the second wire.
  • an excess displacement of the second wire can be prevented by the reinforcement wire, and in addition, a load that acts on the second wire can be distributed also to the reinforcement wire.
  • the reinforcement wire can be flexibly deformed upon the displacement of the second wire. Thereby, it is possible to further improve support performance.
  • a load that acts on the second wire can be distributed also to the third wire.
  • the vehicle seat since the vehicle seat includes the wire structure described above, it is possible to provide a vehicle seat having excellent support performance at low cost.
  • FIG. 1 is a lateral view showing a vehicle interior.
  • FIG. 2 is a perspective view of a rear seat seen from frontward of a vehicle.
  • FIG. 3 is an enlarged perspective view of a rear seat showing a wire structure that is embedded in a seat pad.
  • FIG. 4 is an enlarged lateral view of a rear seat showing a wire structure.
  • FIG. 5 is an enlarged front view of a rear seat showing a wire structure.
  • the present embodiment is described using an example in which a vehicle seat wire structure and a vehicle seat are employed in a rear seat of a vehicle. Note that, it is supposed that front-to-rear and vertical directions in the following description are the same as front-to-rear and vertical directions of a vehicle if there is no particular description. Further, in the drawings, an arrow UP indicates an upward direction, and an arrow FR indicates a frontward direction.
  • FIG. 1 is a lateral view showing a vehicle interior.
  • a front seat 12 and a rear seat (vehicle seat) 13 are arranged with a distance in the front-to-rear direction on a vehicle body floor 11 of a vehicle 1.
  • the front seat 12 includes a seat cushion 14 and a seatback 15 that is reclinably joined to a rear end part of the seat cushion 14.
  • FIG. 2 is a perspective view of the rear seat 13 seen from frontward of the vehicle 1.
  • the rear seat 13 is a bench seat on which three occupants can be seated.
  • the rear seat 13 is formed across the entire vehicle width direction of a vehicle interior.
  • the rear seat 13 includes a seat cushion 16 and a seatback 17 that is reclinably joined to a rear end part of the seat cushion 16.
  • FIG. 3 is an enlarged perspective view of the rear seat 13 showing a wire structure 30 that is embedded in a seat pad 20.
  • the seat cushion 16 supports mainly the buttocks area of the occupant.
  • the seat cushion 16 includes the seat pad 20 and the wire structure 30 that is embedded in the seat pad 20.
  • the seat pad 20 includes a main support part 23 that is arranged in the vicinity of the center in the vehicle width direction and a side support part (side part) 24 that extends from both sides in the vehicle width direction of the main support part 23.
  • the side support part 24 supports the buttocks area of the occupant from below and from the outside in the vehicle width direction.
  • An upper surface of the side support part 24 protrudes upward from the inside toward the outside in the vehicle width direction.
  • the seat pad 20 may be, for example, a cushion material that consists of a foaming resin or the like covered by a surface skin.
  • FIG. 4 is an enlarged lateral view of the rear seat 13 showing the wire structure 30.
  • FIG. 5 is an enlarged front view of the rear seat 13 showing the wire structure 30.
  • the wire structure 30 is configured such that a plurality of wires (for example, wires 31 to 35) are joined to one another.
  • the wires 31 to 35 are formed by an elastically deformable steel material and the like.
  • the wire structure 30 includes a rear wire 31, a lower wire (first wire) 32, an upper wire (second wire) 33, a front wire (third wire) 34, and a reinforcement wire 35.
  • the rear wire 3 1 is embedded in a rear part of the seat pad 20.
  • the rear wire 31 extends in the vehicle width direction.
  • Part of the rear wire 3 1 arranged in the side support part 24 is a joint part (first wire) 37 that extends frontward toward the outside in the vehicle width direction.
  • the lower wire 32 is formed in a C-shape that opens rearward in plan view seen from the vertical direction. Specifically, the lower wire 32 includes a front-to-rear extending part 41 and a vehicle width extending part 42.
  • the front-to-rear extending part 41 is embedded in lower parts of the side support parts 24. As shown in FIG. 4, the front-to-rear extending part 41 extends downward toward the front and then extends upward further toward the front. A rear end part of the front-to-rear extending part 41 is fixed (for example, welded) to an outer end part in the vehicle width direction of the joint part 37.
  • the vehicle width extending part 42 is embedded in a front lower part of the seat pad 20.
  • the vehicle width extending part 42 extends in the vehicle width direction.
  • a first end part in the vehicle width direction of the vehicle width extending part 42 is joined to a front end part of a first front-to-rear extending part 41.
  • a second end part in the vehicle width direction of the vehicle width extending part 42 is joined to a front end part of a second front-to-rear extending part 41.
  • the lower wire 32 (the front-to-rear extending part 41 and the vehicle width extending part 42) is configured by a bending forming of one wire.
  • the upper wire 33 is embedded in upper parts of the side support parts 24. That is, the upper wire 33 is arranged upward with respect to the front -to-rear extending part 41 of the lower wire 32. In side view seen in the vehicle width direction as shown in FIG. 4, the upper wire 33 extends upward toward the front and then extends downward further toward the front. Accordingly, the distance in the vertical direction between the upper wire 33 and the front-to-rear extending part 41 is gradually increased toward the front and is then gradually decreased further toward the front. Further, as shown in FIG. 3, the upper wire 33 extends outward in the vehicle width direction toward the front and then extends inward in the vehicle width direction.
  • a rear end part of the upper wire 33 is fixed (for example, welded) to the joint part 37. That is, the upper wire 33 is joined via the joint part 37 to the lower wire 32.
  • the upper wire 33 may be directly fixed to the front-to-rear extending part 41 of the lower wire 32.
  • the fixing part of the upper wire 33 with the joint part 37 is arranged rearward of the fixing part of the front-to-rear extending part 41 with the joint part 37.
  • the fixing part of the upper wire 33 with the joint part 37 may be arranged at a more frontward position than the fixing part of the front-to-rear extending part 41 with the joint part 37.
  • the fixing part of the upper wire 33 with the joint part 37 may be arranged at a similar position in the front-to-rear direction to the fixing part of the front-to-rear extending part 41 with the joint part 37.
  • the front wire 34 is embedded in a front part of the seat pad 20.
  • the front wire 34 includes a center extending part 45 and an outer extending part 46 that extends from both sides in the vehicle width direction of the center extending part 45.
  • the center extending part 45 is arranged above the vehicle width extending part 42 of the lower wire 32.
  • the center extending part 45 extends in the vehicle width direction.
  • a hook member 49 for locking the front wire 34 to the vehicle body floor 11 is provided on the center extending part 45.
  • the outer extending part 46 extends downward toward the outside in the vehicle width direction.
  • a lower end part of the outer extending part 46 is fixed (for example, welded) to the vehicle width extending part 42 of the lower wire 32.
  • a front end part of the upper wire 33 is fixed (for example, welded) to the outer extending part 46. Accordingly, the lower wire 32 and the upper wire 33 are joined via the outer extending part 46 to each other.
  • the reinforcement wire 35 is embedded in the middle parts in the front-to-rear direction of the side support parts 24.
  • the reinforcement wire 35 is formed in a crank shape.
  • the reinforcement wire 35 includes a vertical extending part 5 1 , an upper bent part 52 that extends from an upper end of the vertical extending part 51, and a lower bent part 53 that extends from a lower end of the vertical extending part 51.
  • the vertical extending part 51 extends frontward toward the upward direction. Note that, the vertical extending part 51 may extend rearward toward the upward direction as long as the vertical extending part 51 is sloped with respect to the vertical direction. Further, the vertical extending part 51 may extend in the vehicle width direction toward the upward direction.
  • the upper bent part 52 is bent inward in the vehicle width direction from an upper end of the vertical extending part 51.
  • the upper bent part 52 is fixed (for example, welded) to the upper wire 33.
  • the lower bent part 53 is bent outward in the vehicle width direction from a lower end of the vertical extending part 51.
  • the lower bent part 53 is fixed (for example, welded) to the front-to-rear extending part 41 of the lower wire 32.
  • the fixing part (upper bent part 52) between the reinforcement wire 35 and the upper wire 33 is arranged at a more frontward position than the fixing part (lower bent part 53) between the reinforcement wire 35 and the front-to-rear extending part 41.
  • each of the wires 3 1 to 35 may be formed by bending one wire.
  • a plurality of wires may be joined to one another to form each of the wires 31 to 35.
  • the wire structure 30 are fixed to one another by welding or the like. Then, a cushion material is formed in a state where part of the wire structure 30 is accommodated in a mold. Then, the cushion material is covered by a surface skin, and thereby the seat cushion 16 described above is manufactured.
  • the upper wire 33 is embedded in the upper part of the side support part 24, and therefore, it is possible to secure the rigidity of the side support part 24. Thereby, it is possible to prevent a crush deformation in the vertical direction of the side support part 24, a bending deformation outward in the vehicle width direction, or the like to improve the support provided to an occupant (improve support performance).
  • the reinforcement wire 35 is fixed to the lower wire 32 (front-to-rear extending part 41) and the upper wire 33.
  • an excess displacement of the upper wire 33 can be prevented by the reinforcement wire 35, and in addition, it is possible to distribute a load that acts on the upper wire 33 also to the reinforcement wire 35. Thereby, even when the rear end part of the upper wire 33 is fixed to the joint part 37, it is possible to prevent a crack or the like from occurring at the fixing part of the upper wire 33.
  • the reinforcement wire 35 is fixed to the lower wire 32 (front-to-rear extending part 41) and the upper wire 33, it is possible to prevent an abnormal noise from occurring at the time of the displacement of the upper wire 33.
  • the reinforcement wire 35 since the fixing part between the reinforcement wire 35 and the upper wire 33 is arranged at a more frontward position than the fixing part between the reinforcement wire 35 and the front-to-rear extending part 41, the reinforcement wire 35 can be flexibly deformed upon the displacement of the upper wire 33. Thereby, it is possible to further improve support performance.
  • the upper wire 33 is fixed to the front wire 34 at a more frontward position than the fixing part between the reinforcement wire 35 and the upper wire 33.
  • a load that acts on the upper wire 33 can be distributed also to the front wire 34.
  • the upper wire 33 is fixed to the joint part 37 and the front wire 34, it is possible to prevent a crack or the like from occurring at the fixing part. Further, it is possible to impart stable support performance to the whole of the side support part 24 and the main support part 23 of the seat cushion
  • the seat cushion 16 since the seat cushion 16 includes the wire structure 30 described above, it is possible to provide a seat cushion 16 having excellent support performance at low cost.
  • the rear seat 13 is a seat on which a plurality of occupants can be seated; however, the embodiment is not limited thereto.
  • the rear seat 13 may be a seat on which one occupant can be seated.
  • the vehicle seat is the rear seat 13; however, the embodiment is not limited thereto.
  • the vehicle seat may be the front seat 12.
  • a side part arranged at an end part in the vehicle width direction of the seat pad is the side support part 24 that protrudes upward with respect to the main support part 23; however, the embodiment is not limited thereto.
  • the shape of the side part of the seat pad can be appropriately changed.
  • the wire structure 30 is embedded in the side support parts 24; however, the embodiment is not limited thereto.
  • the wire structure 30 may be embedded in at least one of the side support parts 24.
  • the reinforcement wire 35 is formed in a crank shape; however, the embodiment is not limited thereto.
  • the shape of the reinforcement wire 35 can be appropriately changed as long as the reinforcement wire 35 can be fixed to the lower wire 32 and the upper wire 33.

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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 de fils métalliques de siège de véhicule, comprenant : un premier fil (32) s'étendant dans un sens avant-arrière et incorporé dans une partie latérale (24) disposée au niveau d'une partie extrémité dans le sens de la largeur du véhicule d'un coussin (20) de siège de véhicule (13); un deuxième fil (33) s'étendant dans le sens avant-arrière et incorporé au-dessus du premier fil (32) dans la partie latérale (24); ainsi qu'un fil de renfort (35) oblique par rapport à un sens vertical et incorporé dans la partie latérale (24), une partie extrémité arrière du deuxième fil (33) étant fixée sur une partie extrémité arrière du premier fil (32), une première partie extrémité dans le sens vertical du fil de renfort (35) étant fixée sur le premier fil (32) et une deuxième partie extrémité dans le sens vertical du fil de renfort (35) étant fixée sur le deuxième fil (33).
PCT/TH2016/000030 2016-03-30 2016-03-30 Structure de fils métalliques de siège de véhicule et siège de véhicule WO2017171663A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/TH2016/000030 WO2017171663A1 (fr) 2016-03-30 2016-03-30 Structure de fils métalliques de siège de véhicule et siège de véhicule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/TH2016/000030 WO2017171663A1 (fr) 2016-03-30 2016-03-30 Structure de fils métalliques de siège de véhicule et siège de véhicule

Publications (1)

Publication Number Publication Date
WO2017171663A1 true WO2017171663A1 (fr) 2017-10-05

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ID=59966203

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TH2016/000030 WO2017171663A1 (fr) 2016-03-30 2016-03-30 Structure de fils métalliques de siège de véhicule et siège de véhicule

Country Status (1)

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WO (1) WO2017171663A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6220544U (fr) * 1985-07-23 1987-02-06
JPH0244532U (fr) * 1988-09-24 1990-03-27
US5176425A (en) * 1988-09-16 1993-01-05 Ikeda Bussan Company, Ltd. Seat frame for vehicle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6220544U (fr) * 1985-07-23 1987-02-06
US5176425A (en) * 1988-09-16 1993-01-05 Ikeda Bussan Company, Ltd. Seat frame for vehicle
JPH0244532U (fr) * 1988-09-24 1990-03-27

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