WO2024062969A1 - Siège de véhicule - Google Patents

Siège de véhicule Download PDF

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Publication number
WO2024062969A1
WO2024062969A1 PCT/JP2023/033123 JP2023033123W WO2024062969A1 WO 2024062969 A1 WO2024062969 A1 WO 2024062969A1 JP 2023033123 W JP2023033123 W JP 2023033123W WO 2024062969 A1 WO2024062969 A1 WO 2024062969A1
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WO
WIPO (PCT)
Prior art keywords
seat
frame
inflator
airbag module
attached
Prior art date
Application number
PCT/JP2023/033123
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English (en)
Japanese (ja)
Inventor
優斗 小林
光男 野上
Original Assignee
オートリブ ディベロップメント エービー
優斗 小林
光男 野上
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 オートリブ ディベロップメント エービー, 優斗 小林, 光男 野上 filed Critical オートリブ ディベロップメント エービー
Publication of WO2024062969A1 publication Critical patent/WO2024062969A1/fr

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    • 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
    • B60N2/68—Seat frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/207—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle seats

Definitions

  • the present invention relates to a vehicle seat equipped with a side frame to which an airbag module is attached.
  • the airbag module 30 constituting this type of side airbag device includes an inflator 32 and an airbag cushion 31 that is inflated and deployed by inflation gas injected from the inflator 32. It is stored inside the side support part 40 of the backrest part 2 of 1.
  • the vehicle seat 1 includes a side frame 101 to which an airbag module 30 is attached.
  • the side frame 101 is provided with a through hole 110 through which the stud bolt 33 of the inflator 32 is inserted.
  • the airbag module 30 is arranged outside the seat of the side frame 101.
  • the vehicle seat 1 has various shapes, it is thought that one of the trends in the future will be a thinner seat with a thinner side support portion 40 in the vehicle width direction.
  • the space for arranging the airbag module 30 becomes narrower in the outer side portion of the seat of the side frame 101.
  • the shape shown by the imaginary line is the shape of the side support portion 40 in the thin sheet.
  • the following two configurations have been proposed to accommodate thin sheets.
  • the shape of the side frame 102 is changed, and a recess 103 that bulges toward the center of the seat is provided in the seat rear portion of the side frame 102.
  • the inflator 32 is attached to the side frame 102 from the outside of the seat. Since the inflator 32 can be inserted into the recess 103, the thickness of the side support section 40 on the outside of the seat can be reduced accordingly.
  • the side frame 101 has the same shape as in FIG. 14A, but the airbag module 30 is placed on the seat outer side of the side frame 101 (see, for example, Patent Document 2).
  • the inflator 32 is attached to the side frame 101 from the center side of the seat. Because the airbag module 30 is placed on the seat outer side of the side frame 101, the thickness of the seat outer portion of the side support part 40 can be reduced.
  • first configuration and the second configuration There is a desire to use the first configuration and the second configuration described above separately at any time, taking performance etc. into consideration.
  • first configuration and the second configuration have different shapes of the side frame 101 and the side frame 102, it is impossible to realize both configurations with one side frame.
  • the present invention was made in view of these circumstances, and can be applied even when the thickness of the side support part is thin, and uses one type of side frame to install airbags both on the outside of the seat and on the center side of the seat.
  • the purpose is to realize a vehicle seat in which modules can be placed.
  • the vehicle seat of the present invention includes a side frame, and an airbag module having an airbag cushion and an inflator that injects gas that inflates and deploys the airbag cushion is attached to the side frame.
  • the side frame includes an opening in at least a portion thereof, and a first plate portion extending from the rear end of the opening toward the seat center;
  • the inflator includes a second plate portion extending from the forward end of the seat toward the front of the seat, and a hole through which a stud bolt of the inflator can pass is provided in either or both of the first plate portion and the second plate portion.
  • the side frame includes a first frame having a first plate portion and a second plate portion, and a second frame disposed on the front side of the seat with respect to the first frame, and the side frame includes a first frame and a second frame.
  • a configuration may be adopted in which an opening is formed between the two.
  • a configuration may be adopted in which the inflator is attached to the second plate part and the main part of the airbag module is attached to the side frame on the outside of the seat.
  • a configuration may be adopted in which the inflator is attached to the first plate part and the main part of the airbag module is attached to the side frame on the outside of the seat.
  • a configuration may be adopted in which the inflator is attached to the first plate portion, and the main portion of the airbag module is attached to the side frame at the seat center side portion.
  • a configuration may be adopted in which the inflator is attached to the second plate portion, and the main portion of the airbag module is attached to the side frame at the seat center side portion.
  • a configuration may be adopted in which a cover member that protects the airbag module is attached to the edge of the second frame on the rear side of the seat.
  • the present invention relates to a vehicle seat including a side frame, in which an airbag module having an airbag cushion and an inflator that injects gas for inflating and deploying the airbag cushion is attached to the side frame. and a third plate portion extending diagonally from the rear end of the seat toward the center of the seat and toward the front side of the seat, the third plate portion having an inflator attached thereto.
  • the structure may be such that one or more holes are provided through which a stud bolt can pass.
  • an opening is formed in at least a portion of the side frame.
  • the side frame includes a first plate portion that extends from the rear end of the opening toward the seat center, and a second plate portion that extends from the front end of the first plate portion in the seat center direction toward the front of the seat.
  • a hole through which a stud bolt of the inflator can pass is provided in either or both of the first plate part and the second plate part.
  • the side frame includes a first frame having a first plate portion and a second plate portion, and a second frame disposed on the front side of the seat with respect to the first frame, and the side frame includes a first frame having a first plate portion and a second plate portion. An opening is formed between them.
  • the airbag module can be placed outside the seat of the side frame.
  • the inflator portion of the airbag module is inserted through the opening toward the center of the seat. This insertion is performed along the first plate portion until the inflator portion abuts against the second plate portion. Then, with the inflator part abutted against the second plate part, the inflator's stud bolt is inserted into the first through hole or the second through hole and fastened and fixed with a nut, thereby attaching the airbag module to the first plate part. or the second plate.
  • the airbag module can also be arranged on the seat center side of the side frame (second frame).
  • the inflator part is inserted behind the seat from the position of the rear end of the second frame along the outer surface of the seat of the second plate part. . This insertion is performed until the inflator portion abuts against the first plate portion.
  • the inflator's stud bolt is inserted into the first through hole or the second through hole and fastened and fixed with a nut, thereby attaching the airbag module to the first plate part. or the second plate.
  • the four types of airbag module installation described above can be achieved with one type of side frame. Even in the case of a seat where the thickness of the side support portion in the vehicle width direction is thin, the present invention allows the airbag module to be installed on either the outer side of the seat or the center side of the seat on the side frame.
  • FIG. 1A is a side view of the vehicle seat according to the embodiment, viewed from the side.
  • FIG. 1B is a perspective view showing a seat frame of a vehicle seat according to an embodiment.
  • FIG. 2 is an enlarged cross-sectional view of the vehicle seat according to the embodiment, taken along line AA in FIG. 1A, showing a cross section of the end portion in the width direction of the seat before an airbag module is assembled.
  • FIG. 3 is an enlarged cross-sectional view of the side frame shown in FIG. 2, cut at a position where the first through hole and the second through hole appear.
  • FIG. 4A is an enlarged sectional view showing a cross section of the end portion in the width direction of the vehicle seat according to the embodiment, with the airbag module disposed outside the seat and the inflator attached to the second frame portion.
  • FIG. 4B is a diagram showing a process of assembling an airbag module to the vehicle seat of FIG. 4A.
  • FIG. 5A is an enlarged sectional view showing a cross section of the end portion in the width direction of the vehicle seat according to the embodiment, with the airbag module disposed outside the seat and the inflator attached to the first frame portion.
  • FIG. 5B is a diagram showing a process of assembling an airbag module to the vehicle seat of FIG. 5A.
  • FIG. 6A is an enlarged sectional view showing a cross section of the end in the width direction of the vehicle seat according to the embodiment, with the airbag module disposed at the center of the seat and the inflator attached to the first frame portion.
  • FIG. 6B is a diagram showing a process of assembling an airbag module to the vehicle seat of FIG. 6A.
  • FIG. 7A is an enlarged sectional view showing a cross section of the end in the width direction of the vehicle seat according to the embodiment, with the airbag module disposed at the center of the seat and the inflator attached to the second frame part.
  • FIG. 7B is a diagram showing a process of assembling an airbag module to the vehicle seat of FIG. 7A.
  • FIG. 8(a) to 8(d) are diagrams showing a side frame of a vehicle seat according to a first modification.
  • FIG. 9A is an enlarged sectional view showing the cross section of the end in the width direction of the vehicle seat according to the second modified example, with the airbag module disposed outside the seat and the inflator attached to the second frame part.
  • FIG. 9B is an enlarged cross-sectional view showing a cross-section of an end portion in the seat width direction in a vehicle seat according to a second modified example, with the airbag module disposed toward the center of the seat and the inflator attached to the first frame portion.
  • FIG. 9A is an enlarged sectional view showing the cross section of the end in the width direction of the vehicle seat according to the second modified example, with the airbag module disposed outside the seat and the inflator attached to the second frame part.
  • FIG. 9B is an enlarged cross-sectional view showing a cross-section of an end portion in the seat width direction in a vehicle seat according to a second modified
  • FIG. 10 is an enlarged cross-sectional view showing a cross section of the end portion in the width direction of the vehicle seat according to the third modification in a state before the airbag module is assembled.
  • FIG. 11 is an enlarged cross-sectional view of the side frame of FIG. 10, cut at a position where the first through hole and the second through hole appear.
  • FIG. 12A is an enlarged cross-sectional view showing a cross-section of an end portion in the seat width direction in a vehicle seat according to a third modified example, with an airbag module disposed on the outer side of the seat and an inflator attached to a third frame portion.
  • FIG. 10 is an enlarged cross-sectional view showing a cross section of the end portion in the width direction of the vehicle seat according to the third modification in a state before the airbag module is assembled.
  • FIG. 11 is an enlarged cross-sectional view of the side frame of FIG. 10, cut at a position where the first through hole and the second through hole appear.
  • FIG. 12A is an enlarged cross-
  • FIG. 12B is an enlarged sectional view showing the cross section of the end in the width direction of the vehicle seat according to the third modification, with the airbag module disposed at the center of the seat and the inflator attached to the third frame part. It is.
  • FIGS. 13(a) to 13(d) are views showing a side frame of a vehicle seat according to a fourth modification.
  • FIG. 14A is a diagram showing an example of a conventional vehicle seat.
  • FIG. 14B is a diagram showing a first configuration of a conventional vehicle seat.
  • FIG. 14C is a diagram showing a second configuration of a conventional vehicle seat.
  • the term "occupant” refers to, for example, a dummy for frontal collision tests (Hybrid III AM50/NHTSA [National Highway Traffic Safety Administration] standards [49CFR Part572 Subpart E and O]).
  • Hybrid III AM50/NHTSA National Highway Traffic Safety Administration
  • the present invention is also applicable to other human dummies.
  • “above” and “upper side” may refer to the direction of the occupant's head seated in the normal position of seat 1, and “lower” and “lower side” may refer to the direction of the occupant's feet.
  • the “regular position” refers to the center position of the seat cushion 3 in the left-right direction of the seat 1, and the position where the occupant's back touches the backrest portion 2 vertically.
  • “front” and “front side” may refer to the front direction of the occupant seated in the normal position of the seat 1, and “rear” and “rear side” may refer to the back direction of the occupant.
  • “left” and “left side” may refer to the left hand direction of the occupant seated in the regular position of the seat 1
  • “right” and “right side” may refer to the right hand direction of the occupant.
  • directions may be defined with the vehicle seat 1 as a reference.
  • the term “seat center side” refers to the direction toward the center of the vehicle seat 1
  • the term “seat outside” refers to the direction toward the center of the vehicle seat 1.
  • the term “seat front” refers to the front direction of the vehicle seat 1
  • the term “seat rear” refers to the rear direction of the vehicle seat 1.
  • This embodiment is a vehicle seat 1 used as a driver's seat of a vehicle such as an automobile.
  • the vehicle seat 1 includes a backrest portion 2 that supports the back of an occupant, and a seat cushion 3 that supports the buttocks and thighs of the occupant.
  • the backrest portion 2 is attached to the rear end portion of the seat cushion 3 so as to be tiltable.
  • a headrest 4 that supports the head of the occupant is integrally formed at the upper end of the backrest portion 2.
  • a seat frame 5 is provided inside the backrest portion 2, and a seating frame 6 is provided on the bottom side of the seat cushion 3.
  • the seat frame 5 and the seating frame 6 are connected via a reclining mechanism 7, and form a skeleton of the vehicle seat 1.
  • the seat frame 5 connects the upper end portions of the pair of side frames 10 in the seat width direction to a pair of side frames 10 extending in the seat vertical direction at the right and left end portions in the seat width direction within the backrest portion 2. It includes an upper frame 5a and a lower frame 5b that connects the lower ends of a pair of side frames 10 in the seat width direction.
  • the seat frame 5 is configured in a frame shape by a side frame 10, an upper frame 5a, and a lower frame 5b.
  • FIG. 2 is an enlarged sectional view showing a cross section taken along line AA in FIG. In FIG. 2, the cross-sectional shape of the side frame 10 portion of the seat frame 5 is shown.
  • the side frame 10 is molded from resin or metal, for example.
  • the side frame 10 includes a first frame 11 having a first plate part 14 and a second plate part 15, and a second frame 12 disposed on the front side of the seat with respect to the first frame 11. There is.
  • An opening 13 is formed between the first frame 11 and the second frame 12. The opening 13 opens in the vehicle width direction.
  • a seat pad 52 made of, for example, urethane foam is disposed inside the backrest portion 2.
  • the backrest portion 2 includes a side support portion 40 that bulges forward of the seat at a side portion in the vehicle width direction. Inside the side support portion 40, the airbag module 30 is housed in a gap where the seat pad 52 is not placed.
  • the seat pad 52 is covered with a skin material 51.
  • the skin material 51 is made of stretchable fabric or leather.
  • the side frame 10 includes an opening 13 at least in part.
  • the side frame 10 includes a first plate portion 14 extending toward the seat center from the seat rear end 13a of the opening 13, and a second plate portion 14 extending toward the front of the seat from the front end 14a of the first plate portion 14 in the seat center direction.
  • a plate portion 15 is provided.
  • An end portion 15a of the second plate portion 15 faces toward the front of the seat.
  • the first plate part 14 and the second plate part 15 are continuous and integral members.
  • the second plate portion 15 extends in a direction substantially perpendicular to the direction in which the first plate portion 14 extends.
  • the fourth plate portion 19 extends from the seat rear end 13a of the opening 13 toward the rear of the seat. An end portion 19a of the fourth plate portion faces toward the rear of the seat.
  • both the first plate part 14 and the second plate part 15 are provided with holes through which the stud bolts 33 of the inflator 31 can pass.
  • one first through hole 16 is provided in the center of the first plate portion 14.
  • one second through hole 17 is provided in the center of the second plate portion 15 .
  • the second frame 12 is arranged closer to the front of the seat than the one end 15a of the first frame 11.
  • the second frame 12 is arranged on the outside of the seat relative to the position of the other end 19a of the first frame 11.
  • One end 21 of the second frame 12 faces toward the rear of the seat.
  • the other end 22 of the second frame 12 faces toward the rear of the seat and toward the center of the seat.
  • the vehicle seat 1 has an airbag module 30 housed inside the side support portion 40, which has an airbag cushion 31 and an inflator 32 that sprays gas to inflate and deploy the airbag cushion 31.
  • the airbag cushion 31 is a bag body made of cloth, which is constructed by preparing a required number of base fabrics of a desired shape in advance and sewing predetermined locations such as the outer periphery of these base fabrics.
  • the airbag cushion 31 can be stored in the vehicle seat 1 by being rolled up into a roll or folded into a bellows shape when placed flat.
  • the periphery of the airbag cushion 31 in the folded and deflated state is covered with a covering member 34.
  • a cylindrical inflator 32 is arranged inside the airbag cushion 31.
  • the inflator 32 receives a signal from a sensor and blows gas into the airbag cushion 31 from a blowout hole provided on its outer surface. expand and expand.
  • the inflated and deployed airbag cushion restrains the shoulders, chest, upper arms, etc. of the occupant who move due to the impact, thereby suppressing the occupant's movement.
  • Stud bolts 33 are attached to the outer surface of the inflator 32 in a protruding manner at appropriate intervals in its longitudinal direction.
  • the storage portion of the inflator 32 is fixed to the side frame 10 by stud bolts 33. This fixation is performed by inserting the stud bolt 33 into the first insertion hole 16 or the second insertion hole 17.
  • the airbag module 30 is also fixed to the side frame 10.
  • the seams of the skin material 51 of the backrest portion 2 are woven inside and connected by sewing.
  • the front seam of the side support portion 40 becomes a cleavage portion 53 that ruptures when the airbag cushion 31 is inflated and deployed.
  • the tearing portion 53 serves as a starting point from which the side support portion tears when the airbag cushion 31 is inflated and deployed.
  • an optimal method can be selected from among the four methods described below regarding the arrangement of the airbag module 30 and the attachment to the side frame 10.
  • the inflator 32 is attached to the second plate part 15, and the main part of the airbag module 30 is attached to the side frame 10 outside the seat.
  • the main portion of the airbag module 30 refers to a portion of the airbag module 30 that is mainly occupied by the airbag cushion 31, excluding the inflator 32 storage portion and the stud bolts 33.
  • the inflator 32 portion of the airbag module 30 is inserted from the opening 13 toward the center of the seat, as shown in FIG. 4B. This insertion is performed along the first plate portion 14 until the inflator 32 portion abuts against the second plate portion 15. Then, with the part of the inflator 32 in contact with the second plate part 15, the stud bolt 33 of the inflator 32 is inserted into the second through hole 17 and fastened and fixed with a nut, thereby attaching the airbag module 30 to the second plate part 15. Attach it to the plate part 15.
  • the inflator 32 is attached to the first plate part 14, and the main part of the airbag module 30 is attached to the side frame 10 outside the seat. .
  • the method of inserting the airbag module 30 is the same as the first configuration, as shown in FIG. 5B.
  • the stud bolt 33 of the inflator 32 is inserted into the first through hole 16 and fastened and fixed with a nut, thereby fixing the airbag module 30. It is attached to the first plate part 14.
  • the inflator 32 is attached to the second plate part 15, and the main part of the airbag module 30 is located in the seat center side part of the side frame 10 (second frame 12). It is configured to be installed as follows.
  • the airbag module 30 moves the inflator 32 from the seat rear end of the second frame 12 to the second plate portion. Insert it into the rear of the seat along the outer surface of the seat No. 15. This insertion is performed until the inflator 32 portion hits the first plate portion 14. Then, with the part of the inflator 32 abutting against the first plate part 14, the stud bolt 33 of the inflator 32 is inserted into the first through hole 16 and fastened and fixed with a nut, thereby fixing the airbag module 30 to the first plate part 14. Attach it to the plate part 14.
  • the inflator 32 is attached to the first plate part 14, and the main part of the airbag module 30 is located in the seat center side part of the side frame 10 (second frame 12).
  • the configuration is as follows: The method of inserting the airbag module 30 is the same as the third configuration, as shown in FIG. 7B.
  • the stud bolt 33 of the inflator 32 is inserted into the second through hole 17 and fastened and fixed with a nut, thereby fixing the airbag module 30. It is attached to the second plate part 15.
  • the side frame 10 comprises a first frame 11 having a first plate portion 14 and a second plate portion 15, and a second frame 12 arranged on the front side of the seat than the first frame 11, and an opening 13 is formed between the first frame 11 and the second frame 12.
  • the first frame 11 includes a first plate portion 14 extending from the seat rear end of the opening 13 toward the seat center, and a second plate extending from the front end of the first plate portion 14 in the seat center direction toward the seat front. 15.
  • the first plate part 14 and the second plate part 15 are provided with a first through hole 16 and a second through hole 17, respectively, through which the stud bolt 33 of the inflator 32 can be inserted.
  • one type of side frame 10 can realize the four methods described above regarding the arrangement and attachment of the airbag module 30.
  • the airbag module 30 can be attached to either the side frame 10 on the outside of the seat or on the center side of the seat.
  • FIG. 8(a) is an example in which the second through hole 17 is provided only in the second plate portion 15.
  • two configurations are possible: the seat outer side arrangement shown in FIG. 4A and the seat center side arrangement shown in FIG. 7A.
  • FIG. 8(b) is an example in which the first through hole 16 is provided only in the first plate portion 14.
  • two configurations are possible: the seat outer side arrangement shown in FIG. 5A and the seat center side arrangement shown in FIG. 6A.
  • the through hole through which the stud bolt 33 of the inflator 32 is inserted may be provided only in either the first plate part 14 or the second plate part 15.
  • FIG. 8(c) is an example in which the shape of the second frame 12 is different from that of the embodiment described above.
  • FIG. 8D shows an example in which the shape of the first frame 11 is different from that of the embodiment described above, and the fourth plate portion 19 is not present. Even in these modified examples, a total of four configurations can be realized: the seat outer side arrangement shown in FIGS. 4A and 5A, and the seat center side arrangement shown in FIGS. 6A and 7A.
  • This modified example has a configuration including a cover member 23 made of a material such as cloth.
  • the cover member 23 is a member that protects the airbag module 30 from the edge of the end 21 of the second frame 12 on the seat rear side.
  • the airbag module 30 is installed by attaching the cover member 23 between the cover member 34 of the airbag module 30 and the end 21 on the rear side of the seat of the second frame 12. can be protected.
  • the edge of the end 21 of the second frame 12 on the seat rear side may damage the covering member 34 of the airbag module 30.
  • the airbag module 30 is installed between the cover member 34 of the airbag module 30 and the end 21 of the second frame 12 on the seat rear side. can be protected.
  • the side frame 10 is provided with an opening 13 in at least a portion thereof, and is located on the seat center direction side from the seat rear end 13a of the opening 13.
  • a third plate portion 18 is provided that extends diagonally toward the front side of the seat.
  • the third plate portion 18 of this modification is bent toward the front side of the seat at a bending point 18b.
  • the fourth plate portion 19 extends from the seat rear end 13a of the opening 13 toward the rear of the seat. An end portion 19a of the fourth plate portion faces toward the rear of the seat.
  • the third plate portion 18 is provided with a plurality of holes through which the stud bolts 33 of the inflator 32 can pass. Specifically, as shown in FIG. 11, the third plate 18 is provided with a first through hole 16 and a second through hole 17 at a required interval. In the third plate 18, the first through hole 16 is provided on the outside of the sheet, and the second through hole 17 is provided on the center side of the sheet.
  • the airbag module 30, which includes an airbag cushion 31 and an inflator 32 that injects gas that inflates and deploys the airbag cushion 31, is attached to the side frame 10.
  • the most suitable one of the two methods described below can be selected and used.
  • the inflator 32 is attached to the first through hole 16 of the third plate part 18, and the main part of the airbag module 30 is located on the outer side of the seat of the side frame 10. It is a configuration that can be installed on. With the part of the inflator 32 abutting against the third plate part 18 disposed diagonally, the stud bolt 33 of the inflator 32 is inserted into the first through hole 16 and fastened and fixed with a nut to form an airbag module. 30 is attached to the third plate portion 18.
  • the inflator 32 is attached to the second through hole 17 of the third plate part 18, and the main part of the airbag module 30 is attached to the seat of the side frame 10 (second frame 12). It is configured to be installed so as to be located at the center side. With the part of the inflator 32 abutting against the third plate part 18 disposed diagonally, the stud bolt 33 of the inflator 32 is inserted into the second through hole 17 and fastened and fixed with a nut to form an airbag module. 30 is attached to the third plate portion 18.
  • one type of side frame 10 can realize the two methods described above regarding the arrangement and attachment of the airbag module 30. Further, even in the case of a seat whose side support portion is thin in the vehicle width direction, the airbag module 30 can be attached to either the side frame 10 on the outside of the seat or on the seat center side.
  • FIG. 13(a) is an example in which only the first through hole 16 is provided in the third plate portion 18.
  • the seat outside arrangement configuration shown in FIG. 12A is possible.
  • FIG. 13(b) shows an example in which only the second through hole 17 is provided in the third plate portion 18.
  • the configuration of the seat center side arrangement shown in FIG. 12B is possible.
  • only one through hole through which the stud bolt 33 of the inflator 32 is inserted may be provided in the third plate portion 18.
  • FIG. 13(c) is an example in which the shape of the second frame 12 is different from that of the third modification example described above.
  • FIG. 13D shows an example in which the shape of the first frame 11 is different from that of the third modified example described above, and the end 19a of the fourth plate portion 19 is bent toward the center of the seat.
  • two configurations are possible: the seat outer side arrangement and the seat center side arrangement shown in FIGS. 12A and 12A.
  • the vehicle seat 1 may be used as a passenger seat. Moreover, it may be used not only as a front seat but also as a rear seat of a vehicle.
  • the vehicle seat 1 may have a backrest portion 2 and a headrest 4 attached via a rod-shaped support member.
  • the present invention is applicable to all vehicle seats in which an airbag module is mounted.
  • Second frame 23 Cover member 30 Airbag module 31 Airbag cushion 32 Inflator 33 Stud bolt 34 Covering member 40 Side support part

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

Abstract

Est réalisé un siège de véhicule qui peut être adapté même dans des cas dans lesquels une partie de support latérale est mince, et avec lequel il est possible de placer un module de coussin gonflable à la fois sur l'extérieur du siège et sur le côté central du siège à l'aide d'un type de cadre de siège.　Un module de coussin gonflable (30) possédant un coussin gonflable (31) et un gonfleur (32) est fixé à un cadre latéral (10). Le cadre latéral (10) comprend un premier cadre (11) et un second cadre (12) placé sur le côté avant de siège du premier cadre (11), et une partie d'ouverture (13) est formée entre le premier cadre (11) et le second cadre (12). Le premier cadre (11) comprend une première partie plaque (14) s'étendant à partir de la partie d'extrémité arrière de siège de la partie d'ouverture (13) vers le centre de siège, et une seconde partie plaque (15) s'étendant à partir de l'extrémité de pointe de direction de centre de siège de la première partie plaque (14) vers l'avant du siège. La première partie plaque (14) et la seconde partie plaque (15) sont pourvues d'orifices à travers lesquels un boulon fileté (33) du gonfleur (32) peut être inséré.
PCT/JP2023/033123 2022-09-20 2023-09-12 Siège de véhicule WO2024062969A1 (fr)

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JP2022-148789 2022-09-20
JP2022148789 2022-09-20

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WO2024062969A1 true WO2024062969A1 (fr) 2024-03-28

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10230811A (ja) * 1997-02-19 1998-09-02 Mitsubishi Motors Corp エアバックモジュールの取付構造
JP2001151064A (ja) * 1999-11-22 2001-06-05 Toyoda Gosei Co Ltd 側突用エアバッグ装置
US20080203787A1 (en) * 2005-07-22 2008-08-28 Lear Corporation Seat
JP2015101297A (ja) * 2013-11-27 2015-06-04 トヨタ自動車株式会社 車両用シート
JP2018149880A (ja) * 2017-03-10 2018-09-27 トヨタ自動車株式会社 エアバッグシステム

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10230811A (ja) * 1997-02-19 1998-09-02 Mitsubishi Motors Corp エアバックモジュールの取付構造
JP2001151064A (ja) * 1999-11-22 2001-06-05 Toyoda Gosei Co Ltd 側突用エアバッグ装置
US20080203787A1 (en) * 2005-07-22 2008-08-28 Lear Corporation Seat
JP2015101297A (ja) * 2013-11-27 2015-06-04 トヨタ自動車株式会社 車両用シート
JP2018149880A (ja) * 2017-03-10 2018-09-27 トヨタ自動車株式会社 エアバッグシステム

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