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WO2018139428A1 - Dispositif de ceinture de sécurité pour véhicule - Google Patents

Dispositif de ceinture de sécurité pour véhicule Download PDF

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Publication number
WO2018139428A1
WO2018139428A1 PCT/JP2018/001903 JP2018001903W WO2018139428A1 WO 2018139428 A1 WO2018139428 A1 WO 2018139428A1 JP 2018001903 W JP2018001903 W JP 2018001903W WO 2018139428 A1 WO2018139428 A1 WO 2018139428A1
Authority
WO
WIPO (PCT)
Prior art keywords
belt
base
shoulder anchor
vehicle
opening
Prior art date
Application number
PCT/JP2018/001903
Other languages
English (en)
Japanese (ja)
Inventor
徹 遠藤
Original Assignee
いすゞ自動車株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by いすゞ自動車株式会社 filed Critical いすゞ自動車株式会社
Priority to CN201880008415.XA priority Critical patent/CN110225848B/zh
Publication of WO2018139428A1 publication Critical patent/WO2018139428A1/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
    • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • 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
    • B60N2/64—Back-rests or cushions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B60R22/26—Anchoring devices secured to the seat

Definitions

  • This disclosure relates to a vehicle seat belt device.
  • a vehicle such as a truck is equipped with a seat belt device for restraining an occupant seated on a vehicle seat.
  • the seat belt device includes a retractor that winds up one end side of the belt, a shoulder anchor that is fixed to the passenger compartment and changes the direction of the belt, and a buckle that can connect a tongue on the other end side of the belt. The occupant seated on the seat is restrained by the belt by connecting the tongue of the belt via the shoulder anchor to the buckle.
  • the shoulder anchor As the shoulder anchor, a rotating type is used so that the belt can be easily changed in direction, and when the belt is pulled, a force acts on the rotating portion.
  • a rotational type shoulder anchor when the belt is pulled, the distance between the fixing point of the shoulder anchor to the passenger compartment and the point of action of the force is increased, and this occurs due to the force. The moment may be excessive.
  • An object of the present disclosure is to provide a vehicle seat belt device capable of suppressing an excessive moment from acting on a shoulder anchor when the belt is pulled out.
  • a vehicle seat belt device includes: a belt having one end wound around a retractor and the other end connected to a buckle; and a shoulder anchor that guides the belt so as to change its direction.
  • the shoulder anchor is fixed to the back of the seat in the vehicle interior and has a base portion having a contact portion with which the main surface of the belt can contact, and an opening that is formed integrally with the base portion so that the belt changes its direction. And an opening formed.
  • the base portion and the opening portion are integrally formed, the distance between the fixed portion where the base portion is fixed and the operating point of the opening portion where the force acts when the belt is pulled out. Since it is short, the moment acting on the shoulder anchor is small. As a result, it is possible to suppress an excessive moment from acting on the shoulder anchor when the belt is pulled out.
  • the base may be fixed to a back panel that forms the vehicle interior.
  • the contact portion of the base portion is opposed to the back panel through a gap, and the base portion further includes an extension portion extending from both sides of the contact portion toward the back panel, The protruding portion may be fixed to the back panel.
  • the base portion may have a protruding portion protruding toward the belt, and the belt may slide with respect to the protruding portion when pulled out.
  • the vehicle seat belt device of the present disclosure it is possible to prevent an excessive moment from acting on the shoulder anchor when the belt is pulled out.
  • FIG. 1 is a diagram illustrating an example of a configuration of a vehicle according to an embodiment of the present disclosure.
  • FIG. 2 is a diagram illustrating an example of the configuration of the seat belt device according to the embodiment.
  • FIG. 3 is a diagram illustrating an example of the configuration of the shoulder anchor. 4 is a cross-sectional view taken along the line AA in FIG.
  • FIG. 1 is a diagram illustrating an example of a configuration of a vehicle 1 according to an embodiment.
  • the vehicle 1 is a pickup truck as an example. As shown in FIG. 1, the vehicle 1 includes a cabin 2 and a loading platform 4.
  • the cabin 2 is a passenger compartment of the vehicle 1. That is, the cabin 2 is a compartment of the vehicle 1.
  • the cabin 2 is formed by a plurality of panels.
  • the cabin 2 is formed by a front panel, a side panel, a floor panel, a back panel, and the like.
  • the cabin 2 is provided with a vehicle seat on which an occupant is seated. Specifically, a front seat and a rear seat are provided in the cabin 2 as vehicle seats.
  • a seat belt device is attached to the vehicle seat.
  • the loading platform 4 is a part on which the luggage is placed.
  • the loading platform 4 is provided behind the cabin 2.
  • FIG. 2 is a diagram illustrating an example of the configuration of the seat belt device 10 according to the embodiment.
  • the seat belt device 10 provided on the rear seat 3 in the cabin 2 will be described as an example.
  • FIG. 2 is a view of the rear seat 3 and the like viewed from the front seat in the cabin 2 toward the rear side in the horizontal direction. For this reason, the left-right direction when FIG.
  • the seat belt device 10 is a three-point seat belt device and restrains an occupant seated on the rear seat 3. As shown in FIG. 2, the seat belt device 10 includes a belt 12, a retractor 14, a shoulder anchor 16, and a buckle 18.
  • the belt 12 is formed in a belt shape, and the other end side in the longitudinal direction is connected to the buckle 18 to restrain the occupant.
  • the belt 12 is a shoulder belt that is stretched obliquely from the shoulder portion of the occupant to the waist portion. Note that the belt 12 may also have a function of a lap belt extending along the vehicle width direction so as to straddle the occupant's waist.
  • the retractor 14 accommodates one end side in the longitudinal direction of the belt 12 so that the belt 12 can be wound and pulled out.
  • the retractor 14 has a winding portion that winds one end side in the longitudinal direction of the belt 12.
  • the retractor 14 is fixed to the floor panel of the cabin 2, for example.
  • the shoulder anchor 16 is fixed behind the rear seat 3 and supports the belt 12. Further, the shoulder anchor 16 guides the belt 12 drawn from the retractor 14 so as to change the direction toward the buckle 18. For example, the shoulder anchor 16 turns the belt 12 to change its direction.
  • the shoulder anchor 16 is provided in the vicinity of the shoulder of the occupant. Thereby, compared with the case where the shoulder anchor 16 is attached to the pillar or ceiling of the cabin 2, the distance between the shoulder anchor 16 and the occupant's shoulder can be shortened, so that the restraint of the belt 12 can be improved.
  • the shoulder anchor 16 is fixed to the back panel 2a located behind the rear seat 3 by a fastening member 40 such as a bolt. Specifically, the shoulder anchor 16 is fixed in the vicinity of the window opening 2b to which the rear window of the back panel 2a is attached. The detailed configuration of the shoulder anchor 16 will be described later.
  • the buckle 18 is a portion that can be connected to the other end side in the longitudinal direction of the belt 12. Specifically, the buckle 18 can be connected to a tongue attached to the other end side of the belt 12. By connecting the buckle 18 and the tongue, the belt 12 is mounted so as to restrain the occupant.
  • FIG. 3 is a diagram for explaining an example of the configuration of the shoulder anchor 16. 4 is a cross-sectional view taken along the line AA in FIG. In FIG. 3, for convenience of explanation, the portion of the belt 12 whose direction is changed by the shoulder anchor 16 is omitted.
  • the shoulder anchor 16 has a base 20 and an opening 30 as shown in FIG.
  • the shoulder anchor 16 is an integral product in which, for example, a metal base 20 and a resin opening 30 are insert-molded.
  • the base 20 is a base part obtained by bending a sheet metal member into a hat shape, and is fixed to the back panel 2a. As shown in FIG. 4, the base 20 is configured such that the belt 12 can pass between the base 20 and the back panel 2a. As shown in FIG. 3, the base 20 has a flat plate portion 22 and a bent portion 24.
  • the flat plate portion 22 is formed in a flat plate shape and faces the back panel 2a via a gap.
  • the distance between the flat plate portion 22 and the back panel 2a is set to such a size that the belt 12 can be inserted.
  • the back surface 22a of the flat plate portion 22 is a contact portion that can contact the main surface of the belt 12 when the belt 12 is pulled. For this reason, the belt 12 is easily brought into contact with the back surface 22a of the flat plate portion 22, and the force acting on the shoulder anchor 16 is easily dispersed when the belt 12 is pulled.
  • the flat plate portion 22 is formed with a bead 22 b that is a protruding portion protruding from the back surface 22 a to the belt 12.
  • two beads 22 b are formed at a predetermined interval in the vehicle width direction along the longitudinal direction of the belt 12.
  • the belt 12 slides with respect to the bead 22b when pulled. Thereby, since the slidability of the belt 12 with respect to the base 20 is improved, the belt 12 is smoothly pulled out from the shoulder anchor 16, and as a result, the ease of pulling out the belt 12 is improved.
  • the bead 22b has a function of reinforcing the base 20. Therefore, even if an excessive force (moment) acts on the shoulder anchor 16 when the belt 12 is pulled out, the base 20 can be prevented from being deformed.
  • the bent portion 24 is an extending portion that extends from both ends of the flat plate portion 22 toward the back panel 2a.
  • the bent portion 24 is disposed so as to sandwich both sides of the belt 12 in the short direction, and guides the belt 12. Moreover, the bending part 24 is being fixed to the back panel 2a with the fastening member 40 (FIG. 2).
  • the opening 30 is configured to be integrated with the base 20 above the base 20. As shown in FIG. 4, an opening 31 through which the belt 12 passes is formed in the opening 30.
  • the opening 31 is formed in a rectangular shape that is slightly larger than the cross-sectional shape of the belt 12.
  • the belt 12 is bent on the back side of the opening 30 in order to pass through the opening 31, and the direction of the belt 12 is changed.
  • the belt 12 when the belt 12 is pulled out, the belt 12 contacts the edge of the opening 31 of the opening 30, and a force acts on the edge.
  • the action point of the opening 30 where the force acts and the fixing point (the portion fixed by the fastening member 40) of the base 20 to the back panel 2a are located close to each other. It is possible to suppress an increase in the moment generated.
  • the shoulder anchor 16 can be provided in the vicinity of the passenger's shoulder. .
  • the opening 31 is formed obliquely with respect to the horizontal direction as shown in FIG. 3 so that the belt 12 is stretched obliquely toward the buckle 18. Thereby, the ease at the time of pulling out the belt 12 is improved.
  • the shoulder anchor 16 includes the base 20 fixed to the back of the rear seat 3 of the cabin 2 (specifically, the back panel 2a), and the opening 30 formed integrally with the base 20.
  • the main surface of the belt 12 can come into contact with the back surface 22a of the base 20, and the opening 30 is formed with an opening 31 through which the belt 12 changes its direction.
  • the base 20 and the opening 30 are integrally formed, whereby the fixing portion (the portion fixed by the fastening member 40) fixed to the cabin 2 of the base 20 and the belt 12 are pulled out.
  • the moment acting on the shoulder anchor 16 is small because the distance from the acting point of the opening 30 where the force acts is short. As a result, it is possible to suppress an excessive moment from acting on the shoulder anchor 16 when the belt 12 is pulled out.
  • the cabin 2 has two rows of seats (a front seat and a rear seat 3), but is not limited to this.
  • the cabin 2 may have one row of sheets.
  • the vehicle 1 is a pickup truck.
  • the present invention is not limited to this.
  • the vehicle 1 may be a cab over type truck in which a cab is disposed above an engine.
  • the vehicle seat belt device of the present disclosure is useful in terms of reducing the moment acting on the shoulder anchor when the belt is pulled out.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Automotive Seat Belt Assembly (AREA)
  • Seats For Vehicles (AREA)

Abstract

Le dispositif de ceinture de sécurité pour véhicule de l'invention est équipé : d'une ceinture dont une extrémité est enroulée sur un rétracteur, et l'autre extrémité est installée en s'attachant à une boucle ; et d'un ancrage supérieur qui guide la ceinture de manière à modifier sa direction. L'ancrage supérieur possède : une base fixée derrière un siège arrière à l'intérieur de l'habitacle, et possédant une face arrière permettant le contact d'une face principale de la ceinture ; et une partie ouverture qui est configurée d'un seul tenant avec la base, et dans laquelle est formée une ouverture au travers de laquelle passe la ceinture afin de modifier sa direction.
PCT/JP2018/001903 2017-01-26 2018-01-23 Dispositif de ceinture de sécurité pour véhicule WO2018139428A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201880008415.XA CN110225848B (zh) 2017-01-26 2018-01-23 车辆的座椅安全带装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017012268A JP6834530B2 (ja) 2017-01-26 2017-01-26 車両のシートベルト装置
JP2017-012268 2017-01-26

Publications (1)

Publication Number Publication Date
WO2018139428A1 true WO2018139428A1 (fr) 2018-08-02

Family

ID=62978912

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/001903 WO2018139428A1 (fr) 2017-01-26 2018-01-23 Dispositif de ceinture de sécurité pour véhicule

Country Status (3)

Country Link
JP (1) JP6834530B2 (fr)
CN (1) CN110225848B (fr)
WO (1) WO2018139428A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030160498A1 (en) * 2002-02-22 2003-08-28 Breed Automotive Technology, Inc. Web guide
JP2005225436A (ja) * 2004-02-16 2005-08-25 Fuji Heavy Ind Ltd 車両用シートベルト装置支持構造
JP2009280153A (ja) * 2008-05-26 2009-12-03 Honda Motor Co Ltd 車体上部構造
JP2010179705A (ja) * 2009-02-03 2010-08-19 Mazda Motor Corp 車両のシートベルト装置
JP2013067282A (ja) * 2011-09-22 2013-04-18 Isuzu Motors Ltd 車両の後部構造
JP2014000851A (ja) * 2012-06-15 2014-01-09 Toyota Motor Corp タングプレート及び車両用シートベルト装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006218982A (ja) * 2005-02-09 2006-08-24 Mazda Motor Corp 車両用シートシステム
JP4687300B2 (ja) * 2005-07-20 2011-05-25 タカタ株式会社 乗員拘束装置
JP4719783B2 (ja) * 2008-10-09 2011-07-06 本田技研工業株式会社 車両用シート
JP6313179B2 (ja) * 2014-09-30 2018-04-18 本田技研工業株式会社 車両におけるシートベルト装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030160498A1 (en) * 2002-02-22 2003-08-28 Breed Automotive Technology, Inc. Web guide
JP2005225436A (ja) * 2004-02-16 2005-08-25 Fuji Heavy Ind Ltd 車両用シートベルト装置支持構造
JP2009280153A (ja) * 2008-05-26 2009-12-03 Honda Motor Co Ltd 車体上部構造
JP2010179705A (ja) * 2009-02-03 2010-08-19 Mazda Motor Corp 車両のシートベルト装置
JP2013067282A (ja) * 2011-09-22 2013-04-18 Isuzu Motors Ltd 車両の後部構造
JP2014000851A (ja) * 2012-06-15 2014-01-09 Toyota Motor Corp タングプレート及び車両用シートベルト装置

Also Published As

Publication number Publication date
CN110225848A (zh) 2019-09-10
JP6834530B2 (ja) 2021-02-24
CN110225848B (zh) 2021-09-28
JP2018118662A (ja) 2018-08-02

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