WO2007129455A1 - Siege de vehicule - Google Patents

Siege de vehicule Download PDF

Info

Publication number
WO2007129455A1
WO2007129455A1 PCT/JP2007/000434 JP2007000434W WO2007129455A1 WO 2007129455 A1 WO2007129455 A1 WO 2007129455A1 JP 2007000434 W JP2007000434 W JP 2007000434W WO 2007129455 A1 WO2007129455 A1 WO 2007129455A1
Authority
WO
WIPO (PCT)
Prior art keywords
backrest
vehicle
spaces
rotating body
load
Prior art date
Application number
PCT/JP2007/000434
Other languages
English (en)
Japanese (ja)
Inventor
Akihiko Okimura
Yoshiteru Igarashi
Original Assignee
Oiles Corporation
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 Oiles Corporation filed Critical Oiles Corporation
Publication of WO2007129455A1 publication Critical patent/WO2007129455A1/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
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • 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
    • B60N2/888—Head-rests with arrangements for protecting against abnormal g-forces, e.g. by displacement of the head-rest

Definitions

  • the present invention relates to a headrest that supports a seated person's head by moving forward when the rear seater moves rearward due to inertia when subjected to a rear-end collision in a vehicle.
  • the present invention relates to a vehicular seat rod having a rod.
  • Patent Document 1 Japanese Patent Laid-Open No. 10-180 1 4 03
  • Patent Document 2 Japanese Patent Laid-Open No. 10_1 1 9 6 1 9
  • Patent Document 3 Japanese Patent Laid-Open No. 11-2 6 8 5 6 6
  • Patent Document 4 Japanese Patent Laid-Open No. 2 0 0 3 _ 8 1 0 4 4
  • Patent Document 5 Japanese Patent Laid-Open No. 2 0 0 5 _ 2 2 5 3 3 4
  • Patent Document 6 Japanese Patent Laid-Open No. 2 0 0 6 — 8 2 7 7 2
  • Patent Document 7 Japanese Unexamined Patent Publication No. 2 0 0 6 _ 8 8 8 7 5
  • a vehicle seat has been proposed in which a headless rod is moved forward in order to restrain a seated person's head when a rear-end collision occurs.
  • the present invention has been made in view of the above-described points, and the object of the present invention is to accurately identify the time when a rear-end collision is performed and the time when the rear-end collision is not performed and move the headrest forward only when the rear-end collision is performed. It is possible to move it to The object is to provide a vehicle seat that can be installed in a park.
  • a vehicle seat includes a backrest of a vehicle, a headless rod that is supported by the backrest so as to be movable forward of the vehicle, and a movement that urges the headless rod to move forward.
  • the releasing means has a transmission mechanism for transmitting a force based on a certain acceleration or more to the rear of the vehicle applied to the backrest to the prohibiting mechanism.
  • the release means for releasing the prohibition of the forward movement of the headless rod by the prohibiting mechanism at a certain acceleration beyond the vehicle applied to the backrest is backrested. Since it has a transmission mechanism that transmits force based on acceleration beyond a certain level to the rear of the applied vehicle to the mechanism, it is only when the rear-end collision is accurately identified and rear-end collision, etc.
  • the headless paddle can be moved forward reliably.
  • the releasing means may have a load-displacement conversion mechanism that is displaced by a load applied to the backrest portion of the backrest, and the transmission mechanism is a resistance force that generates a speed-dependent resistance force.
  • the load-displacement conversion mechanism includes a load receiving plate that is rotatably supported by the backrest frame and is arranged in the backrest portion of the backrest.
  • the resistance generator may be connected on the one hand to the load-displacement conversion mechanism and on the other hand to the prohibiting mechanism.
  • the resistance force generator is interposed between one rotating body, the other rotating body rotatable relative to the one rotating body, and the other rotating body. At least two spaces whose volumes increase or decrease complementarily by the relative rotation of the other rotating body with respect to the body, the liquid contained in the at least two spaces, and the other rotating body with respect to the one rotating body.
  • an orifice means for generating a resistance force having a magnitude corresponding to the flow velocity of the liquid flowing into and out of at least two spaces that increase or decrease by relative rotation One of the linear motion and The other linear moving body that is relatively movable relative to the one linear moving body, and the other linear moving body that is interposed between the two linear moving bodies and that is complementary to the relative linear movement of the other linear moving body Outflow to at least two spaces whose volume increases or decreases, the liquid contained in the at least two spaces, and the relative movement of the other linear moving body relative to one linear moving body.
  • Orifice means for generating a resistance force having a magnitude corresponding to the flow rate of the incoming liquid may be provided.
  • the headless rod is supported so as to be pivotable or linearly movable forward on the backrest, and the moving urging means is configured to pivot or linearly urge the headrest forward.
  • the prohibiting mechanism may prohibit the headrest from rotating forward or linearly.
  • the headless rod can be reliably moved forward only when a rear-end collision is made by accurately identifying when the rear-end collision or the like is not, and the back. It is possible to provide a vehicle seat that can be installed in a compact space for drowning.
  • FIG. 1 is a side cross-sectional explanatory view of a preferred example of an embodiment according to the present invention.
  • FIG. 2 is an explanatory front sectional view of the example shown in FIG.
  • Fig. 3 is a cross-sectional explanatory view of the resistance force generator shown in Fig. 1.
  • (a) is a cross-sectional view taken along line a_a shown in (b), and
  • (b) is b_ shown in (a).
  • Fig. 4 is a diagram for explaining the operation of the example shown in Fig. 1.
  • FIG. 5 is a side cross-sectional explanatory view of a preferred example of the embodiment according to the present invention
  • FIG. 6 is a cross-sectional explanatory view of the resistance force generator shown in FIG.
  • the vehicle seat 1 of the present example includes a seat seat 3 that is attached to the floor 2 of the vehicle so that the front and rear positions and the tilt position can be adjusted, and the tilt and position of the seat seat 3 can be adjusted.
  • the backrest 4 of the vehicle mounted on the headrest 4 is movable forward in the backrest 4.
  • the headrest 5 supported so as to be rotatable in the forward R1 direction, and the headrest 5 in the forward R1 direction
  • Rotating biasing means 6 that urges to rotate in the direction of the head
  • ban mechanism 1 that prohibits the rotation of headless ⁇ ⁇ 5 in the R 1 direction
  • R 1 direction in front of headless ⁇ 5 by ban mechanism 7
  • release means 8 for releasing the prohibition of movement to the back 4 with a certain acceleration beyond the rear of the vehicle.
  • a mounting mechanism for mounting the seat 3 on the floor 2 so that the front-rear position and tilt position can be adjusted.
  • the headless ⁇ 5 is fixed to the headless ⁇ main body 15 and the frame (not shown) of the backrest 4 on the headless ⁇ main body 15 in the R 1 direction via the shaft 16.
  • the support member 1 7 is rotatably supported, and the support member 17 does not rotate in the direction opposite to the R 1 direction by the stopper 18 fixed to the frame of the backrest 4. It is like that.
  • the rotation urging means 6 as the movement urging means includes a coil spring 19 having one end fixed to the frame of the backrest 4 and the other end fixed to the support member 17. Thanks to the elastic force of the coil spring 19, the headrest 5 is always urged to rotate in the R 1 direction.
  • the prohibiting mechanism 7 is supported by the frame of the backrest 4 so as to be rotatable in the R 2 direction via the shaft 21, and abuts and engages with the tip of the support member 17 to support the support member 1.
  • ⁇ member 2 2 that prohibits rotation of R 7 in the direction of 7, and a stagger 2 2 and a coil spring 2 4 that set the heel member 2 2 to the front end of the support member 1 7 and set the engagement position. It has.
  • the release means 8 includes a load-displacement conversion mechanism 3 2 that is displaced by a load applied to the back support 3 1 of the backrest 4 from the occupant seated in the seat 3 and the back support 3 1 of the backrest 4 The force based on the acceleration beyond a certain level applied to the rear of the vehicle is transmitted to the prohibit mechanism 7. On the other hand, it has a transmission mechanism 33 that does not transmit force to the prohibition mechanism 1 based on the acceleration below a certain level applied to the back support 3 1 of the backrest 4.
  • the load-displacement conversion mechanism 3 2 is fixed to the cylindrical member 3 6 rotatably mounted in the R 3 direction on the shaft 3 5 fixed to the frame of the backrest 4 and the cylindrical member 3 6 And a load receiving plate 3 7 disposed on the back support portion 3 1 of the backrest 4, and is rotatably supported by the frame of the backrest 4 via the cylindrical member 3 6 and the shaft 3 5.
  • the load receiving plate 37 is embedded in a cushion in the back receiving portion 3 1 of the backrest 4.
  • the transmission mechanism 3 3 includes an arm 41 fixed to the cylindrical member 36 at one end, a sleeve 4 2 attached to the other end of the arm 41, and a sleeve 4 2 slidably passing therethrough.
  • the wire 4 3 connected to the flange member 2 2 at one end, the resistance force generator 4 4 that generates a speed-dependent resistance force, and the resistance force generator 4 4 are set to the initial state position by elasticity.
  • Coil springs 4 and 5 are provided.
  • the resistance force generator 44 has a fixed shaft 50, an inner member 51 as one rotating body fixed to the fixed shaft 50, and a fixed shaft 50 to the inner member 51.
  • the housing 52 as the other rotating body which is relatively rotatable in the R4 direction as a center, and is interposed between the inner member 51 and the housing 52 and of the housing 52 with respect to the inner member 51 At least two of which the volume increases and decreases complementarily by rotation in the R4 direction relative to the fixed axis 50, in this example, four spaces 5 3, 5 4, 5 5 and 5 6, and space 5 3, 5 4, 5 5 and 5 6 and a liquid 5 7 having an appropriate viscosity and a relative relative to the inner member 51 in the R 4 direction around the fixed shaft 50 of the housing 5 2.
  • the fixed shaft 50 is fixed to the frame of the backrest 4, and the wire 4 3 is wound around the housing 5 2 so that it is unwound when pulled, and the housing 5 at the other end.
  • the coil spring 45 is fixed to the housing 52 at one end and to the backrest 4 frame at the other end. 5 2 is provided around.
  • the force generator 44 has a relative rotation in the R4 direction around the fixed shaft 50 of the housing 52 with respect to the inner member 51.
  • the liquid 5 7 is moved from the spaces 5 3 and 5 4 to the spaces 5 5 and 5 6 or vice versa depending on the relative rotational speed in the R 4 direction around the fixed axis 50 of the housing 5 2 relative to the inner member 51 when entering and exiting through the pores 58 and 59. That is, when the speed is high, a large resistance force is applied, and when the speed is low, a small resistance force is applied to the rotation of the housing 52 relative to the inner member 51 relative to the fixed shaft 50 in the R4 direction. However, it is generated.
  • the housing 5 2 rotates counterclockwise in FIG. 1 in the R 4 direction with respect to the inner member 51 with the fixed shaft 50 as the center via the other end of the wire 43. Try to be. This rotation creates a slow and steady flow of the liquid 5 7 through the pores 5 8 and 5 9 from the spaces 5 3 and 5 4 to the spaces 5 5 and 5 6 resulting in a large resistance.
  • the tension member that causes the clockwise rotation in FIG. 1 in the R 2 direction of the flange member 2 2 that abuts on the tip of the support member 17 and releases the engagement is performed.
  • the release mechanism that releases the prohibition of the rotation of the headrest 5 in the R 1 direction in front of the headrest 5 by the prohibiting mechanism 7 at a certain acceleration beyond the back of the vehicle applied to the backrest 4.
  • a force prohibiting mechanism based on acceleration below the vehicle applied to the backrest 4 below a certain force applied to the backrest 4 while a force based on a certain acceleration beyond the vehicle rearward applied to the backrest 4 is transmitted to the prohibiting mechanism 7. Since it has a transmission mechanism 3 that does not transmit to the head, the headrest 5 can be securely attached to the front R 1 only when it is rearranged by accurately distinguishing between when it is impacted and when it is not. It can be moved in the direction.
  • the resistance force generator 44 shown in FIGS. 5 and 6 includes a cylinder 61 as one linear moving body, and a biston 62 as the other linear moving body relatively movable relative to the cylinder 61.
  • the passenger's seat on the seat 3 has a backrest 4 and the normal passenger load on the rear of the vehicle
  • the load receiving plate 37 that receives the load of the occupant is slowly rotated about the shaft 35.
  • This slow rotation of the load receiving plate 3 7 causes the arm 4 1 to rotate slowly and the wire 4 3 engaged with the end of the arm 4 1 via the sleeve 4 2 to bend.
  • Piston 6 2 tends to be moved directly with respect to cylinder 6 1 through one end of 3 and Biston rod 6 7. This linear motion is performed without causing a large resistance force as a result of the slow flow of the liquid 5 7 from the space 63 to the space 64 via the through-hole 65.
  • the pulling force that causes the pivot of the hook member 2 2 to come into contact with the tip of the support member 1 7 and release the engagement does not occur on the wire 43, and the prohibiting mechanism 7 of the headless hook 5 Front R1 direction is prohibited and headless ⁇ 5 is maintained in the normal position.
  • the pulling force that causes the abutment member 2 2 to rotate and the contact member 1 7 to come into contact with the tip of the support member 17 and release the engagement is generated in the wire 43, and the prohibiting mechanism 7
  • the eaves member 2 2 is rotated around the shaft 21 so as to abut and disengage the support member 17 from the tip, and the headrest 5 is held in the R 1 direction so as to hold the head of the occupant.
  • a release means 8 for releasing the prohibition of the rotation of the headrest 5 in the R 1 direction in front of the headrest 5 by the prohibition mechanism 7 with a certain acceleration applied to the backrest 4.
  • a force based on a certain acceleration beyond the back of the vehicle applied to the backrest 4 is transmitted to the prohibition mechanism 7, while the backrest 4 Prohibition mechanism of force based on rearward acceleration of the vehicle below a certain level Since it has a transmission mechanism 3 3 that does not transmit to the vehicle 7, it accurately discriminates when it is collided and when it is not Thus, the headrest 5 can be reliably moved in the forward R1 direction only when the rear-end collision occurs.
  • the cylinder 6 1 is connected to another wire.
  • the cylinder 6 1 may be directly connected to the flange member 2 2 so as to be freely rotatable.
  • the other wire 75 may be connected to the sleeve 4 2.
  • the biston rod 67 may be pivotally connected to the back 4 frame.
  • the headrest 5 is forcibly rotated in the direction opposite to the R 1 direction.
  • the tip of the support member 17 is brought into contact with the flange member 2 2 by sliding the tip of the support member 17 on the inclined guide surface 8 1 of the flange member 2 2 and reversing the flange member 2 2.
  • wire 4 3 and Z or
  • a gear mechanism, a rack and pinion mechanism, or the like may be used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

La présente invention concerne un siège de véhicule (1) qui comprend un coussin de siège (3) installé sur le plancher (2) d'un véhicule de sorte que ses positions avant et arrière et positions d'inclinaison puissent être réglées, un dossier (4) installé sur le coussin de siège (3) de sorte que sa position d'inclinaison puisse être réglée, un appui-tête (5) supporté sur le dossier (4) afin d'être mobile vers l'avant, et dans cet exemple, rotatif dans la direction avant (R1), un moyen de sollicitation rotatif (6) pour solliciter l'appui-tête (5) de façon rotative dans la direction avant (R1), un mécanisme de prohibition (7) pour prohiber la rotation de l'appui-tête (5) dans la direction avant (R1), et un moyen d'interruption (8) pour interrompre la prohibition du mouvement de l'appui-tête (5) dans la direction avant (R1) par le mécanisme de prohibition (7) à une accélération supérieure à un niveau prédéterminé qui est appliqué sur le dossier (4) vers le côté arrière du véhicule.
PCT/JP2007/000434 2006-04-24 2007-04-20 Siege de vehicule WO2007129455A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006-118761 2006-04-24
JP2006118761A JP4940744B2 (ja) 2006-04-24 2006-04-24 車両用シート

Publications (1)

Publication Number Publication Date
WO2007129455A1 true WO2007129455A1 (fr) 2007-11-15

Family

ID=38667568

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/000434 WO2007129455A1 (fr) 2006-04-24 2007-04-20 Siege de vehicule

Country Status (2)

Country Link
JP (1) JP4940744B2 (fr)
WO (1) WO2007129455A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4976743B2 (ja) * 2006-05-22 2012-07-18 株式会社イノアックコーポレーション 車両用シートのシートバックパッド
BRPI0717113A2 (pt) * 2006-10-20 2013-10-08 Oiles Industry Co Ltd Amortecedor e assento de veículo
WO2009001491A1 (fr) * 2007-06-27 2008-12-31 Toyota Boshoku Kabushiki Kaisha Mécanisme d'embrayage
JP5308010B2 (ja) 2007-11-21 2013-10-09 テイ・エス テック株式会社 車両用シート
JP4952643B2 (ja) * 2008-04-15 2012-06-13 オイレス工業株式会社 ダンパ及びこのダンパを具備した車両用シート
JP5228604B2 (ja) * 2008-04-28 2013-07-03 オイレス工業株式会社 ダンパ及びこのダンパを具備した車両用シート
KR101475208B1 (ko) * 2013-01-25 2014-12-23 삼성중공업 주식회사 트롤리 장치

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10138813A (ja) * 1996-11-08 1998-05-26 Takashimaya Nippatsu Kogyo Kk 乗物用ヘッドレスト装置
JP2000001137A (ja) * 1998-06-17 2000-01-07 Mazda Motor Corp 車両用シート構造

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10138813A (ja) * 1996-11-08 1998-05-26 Takashimaya Nippatsu Kogyo Kk 乗物用ヘッドレスト装置
JP2000001137A (ja) * 1998-06-17 2000-01-07 Mazda Motor Corp 車両用シート構造

Also Published As

Publication number Publication date
JP2007290466A (ja) 2007-11-08
JP4940744B2 (ja) 2012-05-30

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