WO2021060342A1 - Structure de plancher de véhicule - Google Patents

Structure de plancher de véhicule Download PDF

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Publication number
WO2021060342A1
WO2021060342A1 PCT/JP2020/035946 JP2020035946W WO2021060342A1 WO 2021060342 A1 WO2021060342 A1 WO 2021060342A1 JP 2020035946 W JP2020035946 W JP 2020035946W WO 2021060342 A1 WO2021060342 A1 WO 2021060342A1
Authority
WO
WIPO (PCT)
Prior art keywords
seat
anchor
floor
reinforcement
plate portion
Prior art date
Application number
PCT/JP2020/035946
Other languages
English (en)
Japanese (ja)
Inventor
遼 後藤
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 CN202080067833.3A priority Critical patent/CN114450212B/zh
Publication of WO2021060342A1 publication Critical patent/WO2021060342A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/20—Floors or bottom sub-units
    • B62D25/2054—Load carrying floors for commercial vehicles
    • 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
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B60R22/22—Anchoring devices secured to the vehicle floor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/20—Floors or bottom sub-units

Definitions

  • This disclosure relates to the floor structure of the vehicle.
  • Patent Document 1 describes a rear floor structure in which a seat back support bracket and a belt anchor mounting portion are attached to a rear floor panel.
  • the seat back support bracket has a fixing plate that is in contact with the luggage compartment floor of the rear floor panel, and a hinge plate is erected at the outer end of the fixing plate in the vehicle width direction.
  • the hinge plate is provided with a support hole for mounting and supporting the seat back, and a connecting plate for connecting and fixing to the belt anchor mounting portion is provided at the front portion of the fixing plate.
  • a seat fixing portion for fixing the seat (seat back) and an anchor fixing portion for fixing the seat belt anchor are provided on the seat back support bracket which is overlapped and fixed on the upper surface of the floor panel. Therefore, the number of parts can be reduced as compared with the case where the seat fixing portion and the anchor fixing portion are provided on separate members.
  • the load input to the seat fixing part and the anchor fixing part is concentrated on the peripheral part of the seat back support bracket in the floor panel, so the floor panel may be significantly deformed.
  • An object of the present disclosure is to provide a vehicle floor structure capable of suppressing deformation of a floor panel due to load input to a seat fixing portion or an anchor fixing portion while suppressing an increase in the number of parts.
  • the first aspect of the present disclosure is a vehicle floor structure for mounting a seat-side mounting portion provided on the seat side and an anchor-side mounting portion provided on the seatbelt anchor side in a vehicle interior, respectively, with a floor panel. It is equipped with a floor underframe and reinforcement.
  • the floor panel has a seat-mounted portion in which the seat-side mounting portion overlaps from the vehicle interior side and an anchor-mounted portion in which the anchor-side mounting portion overlaps from the vehicle interior side, and forms the floor of the vehicle interior.
  • the floor under frame is fixed to the back surface of the floor panel as a skeleton of the floor panel.
  • the reinforcement has a seat fixing portion that overlaps the seat mounting portion from the anti-vehicle compartment side and an anchor fixing portion that overlaps the anchor mounting portion from the anti-vehicle compartment side, and is fixed to the back surface of the floor panel.
  • the seat side mounting portion and the anchor side mounting portion are fixed to the seat fixing portion and the anchor fixing portion, respectively.
  • the reinforcement is combined with the floor underframe.
  • the seat fixing portion and the anchor fixing portion are provided in one reinforcement, the number of parts can be reduced as compared with the case where the seat fixing portion and the anchor fixing portion are provided in separate members.
  • the reinforcement is fixed to the floor panel and connected to the floor under frame, the load input from the seat or seat belt to the seat fixing part or anchor fixing part of the reinforcement is applied to the floor panel in the event of a vehicle collision or the like. And the floor underframe work in a distributed manner. Therefore, it is possible to relax the concentration of the load on the peripheral portion of the floor panel of the reinforcement, and it is possible to suppress the deformation of the floor panel due to the load input to the seat fixing portion and the anchor fixing portion.
  • the second aspect of the present disclosure is the floor structure of the first aspect, in which the seat-mounted portion and the anchor-mounted portion are separated from each other in the seat width direction so that the positions in the front-rear direction of the seat are substantially equal to each other. Be placed.
  • the floor underframe extends in the front-rear direction of the seat on one side of the seat-mounted portion and the anchor-mounted portion in the seat width direction.
  • the reinforcement extends from the seat fixing portion and the anchor fixing portion to one side in the seat width direction and is connected to the floor under frame.
  • the seat fixing portion and the anchor fixing portion can be arranged so that the positions in the seat front-rear direction are substantially equal, the width of the reinforcement in the seat front-rear direction can be set short, and the reinforcement can be set short. Miniaturization is possible.
  • the floor structure of the present disclosure it is possible to suppress the deformation of the floor panel due to the load input to the seat fixing portion and the anchor fixing portion while suppressing the increase in the number of parts.
  • FIG. 1 is a perspective view of the floor structure according to the embodiment of the present disclosure as viewed from above.
  • FIG. 2 is a perspective view of the floor structure of FIG. 1 as viewed from below.
  • FIG. 3 is a perspective view of the main part of the floor structure of FIG. 1 as viewed from above through the floor panel.
  • FIG. 4 is a cross-sectional view taken along the line IV-IV of FIG.
  • FIG. 5 is a cross-sectional view taken along the line VV of FIG.
  • FIG. 6 is a cross-sectional view taken along the line VI-VI of FIG.
  • the front-rear direction means the front-rear direction when the direction in which the seat 1 seater faces is the front
  • the left-right direction means the seat 1 seater. It means the left-right direction.
  • the seat 1 of the present embodiment is supported on the vehicle body side so that the front-rear direction of the seat substantially coincides with the front-rear direction of the vehicle and the width direction of the seat substantially coincides with the width direction of the vehicle.
  • the arrow FR represents the front
  • the arrow R represents the right side
  • the arrow UP represents the upper side.
  • the floor panel 3 forming the floor of the passenger compartment 2 has a substantially horizontal floor upper surface portion 4 and left and right extending downward from the left and right edge edges of the floor upper surface portion 4 (FIG. 1).
  • the right side is integrally provided with the floor side surface portion 5 (shown on the right side), and the seat 1 is supported on the upper surface (surface on the vehicle interior 2 side) of the floor upper surface portion 4 via the seat frame 6.
  • a plate-shaped seat frame bracket 7 extending in the front-rear direction and overlapping the floor upper surface portion 4 from the vehicle interior 2 side is provided.
  • the seat 1 is fixed to the floor panel 3 by fixing the seat frame bracket 7 to the floor upper surface portion 4 at a plurality of locations separated from each other in the front-rear direction.
  • the seat frame bracket 7 of the present embodiment is fastened and fixed to the seat upper surface portion 4 by bolts 40 and 41 at two front and rear positions of the front seat bracket front portion 7F and the rear seat bracket rear portion (seat side mounting portion) 7R.
  • the region of the floor upper surface portion 4 where the seat bracket rear portion 7R overlaps constitutes the seat mounting portion 10.
  • the seat frame 6 may support the seat 1 so as to be slidable in the front-rear direction with respect to the floor panel 3.
  • Anchor bracket 8 is mounted on the outer surface of the floor side surface 5 (the surface on the passenger compartment 2 side) so as to be overlapped from the passenger compartment 2 side.
  • the anchor bracket 8 integrally has a lower anchor bracket one end (anchor side mounting portion) 8A and an upper anchor bracket other end 8B.
  • One end 8A of the anchor bracket is fastened and fixed to the side surface 5 of the floor by bolts 42, and a buckle 9 of a seat belt (not shown) is attached to the other end 8B of the anchor bracket.
  • the area of the floor side surface portion 5 where one end portion 8A of the anchor bracket overlaps constitutes the anchor mounting portion 11.
  • a stopper 12 for preventing rotation which is arranged in front of and behind the anchor bracket 8 and prevents the anchor bracket 8 from rotating around the bolt 42, is welded.
  • the seat mounting portion 10 of the floor upper surface portion 4 and the anchor mounting portion 11 of the floor side surface portion 5 are arranged apart from each other on the left and right so that the positions in the front-rear direction are substantially equal.
  • a floor underframe 13 having a hat-shaped cross section is fixed to the lower surface of the floor upper surface portion 4 (the back surface on the anti-vehicle compartment side) as a skeleton of the floor panel 3 by welding or the like.
  • the floor underframe 13 extends in the front-rear direction on the left side of the seat mounting portion 10 and the anchor mounting portion 11, and forms a closed cross section with the floor upper surface portion 4.
  • the back surface of the floor panel 3 on the anti-vehicle compartment side (the lower surface of the floor upper surface portion 4 and the inner surface of the floor side surface portion 5) is covered with the seat mounting portion 10 and the anchor cover of the floor panel 3.
  • a reinforcement 14 for reinforcing the mounting portion 11 is fixed.
  • the reinforcement 14 is composed of a reinforcement upper portion 15 arranged on the back surface of the floor upper surface portion 4 and a reinforcement lower portion 16 arranged along the back surface of the anchor mounting portion 11, and is composed of a right end portion of the reinforcement upper portion 15.
  • the upper portion 15 of the reinforcement and the lower portion 16 of the reinforcement may be integrally formed.
  • the reinforcement upper portion 15 has a rectangular upper base plate portion 17 that overlaps the back surface of the floor upper surface portion 4 from the anti-vehicle compartment side, and a left inclined plate portion that extends obliquely downward to the left from the left end edge of the upper base plate portion 17. 18, the left joint plate portion 19 that bends from the left end edge of the left inclined plate portion 18 and extends to the left, the right joint plate portion 20 that extends downward from the right end edge of the upper base plate portion 17, and the upper base plate portion 17. Before and after bending forward and downward from the upper front plate portion 21 and the upper rear plate portion 22 extending downward from the front end edge and the rear end edge and facing each other, and the lower end edges of the upper front plate portion 21 and the upper rear plate portion 22.
  • the front and rear upper flange portions 32 which are bent from the right end edge of the upper front plate portion 21 and the right end edge of the upper rear plate portion 22 and extend back and forth, and the upper surface of the upper base plate portion 17. It has a seat fixing plate portion (seat fixing portion) 24 sandwiched between the seat mounting portion 10 of the floor upper surface portion 4 and the upper base plate portion 17.
  • the front and rear edge of the left inclined plate portion 18 and the left end edges of the upper front plate portion 21 and the upper rear plate portion 22 are continuous by bending or joining, and the front and rear edge and the upper front plate of the right joint plate portion 20 are connected.
  • Each right end edge of the portion 21 and the upper rear plate portion 22 is continuous by bending or joining.
  • the lower base plate portion 16 has a rectangular lower base plate portion 25 that is separated from the back surface of the floor side surface portion 5 to the left and faces the floor side surface portion 5, and the front end edge and the rear end edge of the lower base plate portion 25 to the right side.
  • the lower front plate portion 26 and the lower rear plate portion 27 that bend and extend (toward the floor side surface portion 5) and the lower front plate portion 26 and the lower rear plate portion 27 that bend and extend forward and backward from the right end edges. It has front and rear lower flange portions 28 that overlap the back surface of the floor side surface portion 5, and an inner reinforcing portion 29 that is arranged between the upper portion of the lower base plate portion 25 and the floor side surface portion 5.
  • the lower base plate portion 25, the lower front plate portion 26, the lower rear plate portion 27, and the front and rear lower flange portions 28 form a hat-shaped cross section, and the lower base plate portion 25, the lower front plate portion 26, and the lower rear plate portion
  • the upper end portion of 27 is inserted between the right end portion of the upper front plate portion 21 of the reinforcement upper portion 15 and the right end portion of the upper rear plate portion 22.
  • the upper end portion of the lower base plate portion 25 overlaps the right joint plate portion 20 of the reinforcement upper portion 15 from the right side, and is joined to the right joint plate portion 20 by welding or the like.
  • the lower front plate portion 26 and the lower rear plate portion 27 are joined to the upper front plate portion 21 and the upper rear plate portion 22 by welding or the like.
  • the upper end portions of the front and rear lower flange portions 28 are sandwiched between the front and rear upper flange portions 32 and the floor side surface portion 5 of the reinforcement upper portion 15, and the lower flange portion 28, the upper flange portion 32, and the floor side surface portion 5 Are joined and fixed.
  • the upper portion 15 of the reinforcement and the lower portion 16 of the reinforcement are integrated by joining at a plurality of locations including these.
  • the inner reinforcing portion 29 includes an anchor fixing plate portion (anchor fixing portion) 30 that overlaps the back surface of the anchor mounting portion 11 of the floor side surface portion 5, and front and rear edges that bend to the left from the front and rear edges of the anchor fixing plate portion 30. It has a U-shaped cross section integrally having the side plate portion 31 of the above, and is arranged between the lower front plate portion 26 and the lower rear plate portion 27. The front and rear side plate portions 31 are fixed to the lower front plate portion 26 and the lower rear plate portion 27 by welding or the like.
  • the reinforcement upper portion 15 is fixed to the floor panel 3 by joining the peripheral edge portion of the upper base plate portion 17 to the back surface of the floor upper surface portion 4 by welding or the like.
  • the left inclined plate portion 18 and the left joint plate portion 19 of the upper portion 15 of the reinforcement are overlapped with the outer surface of the right side plate portion and the outer surface (lower surface) of the lower plate portion of the floor underframe 13, respectively. It is fixed to the floor underframe 13 by welding or the like.
  • the lower front and rear flanges 28 are fixed to the floor panel 3 by joining the front and rear lower flange portions 28 to the back surface of the floor side surface portion 4 by welding or the like.
  • a bolt insertion hole 45 that penetrates vertically is formed in the seat bracket rear portion 7R, the seat mounting portion 10 of the floor upper surface portion 4, the seat fixing plate portion 24 and the upper base plate portion 17 of the reinforcement upper portion 15. Then, the bolt 41 is inserted into the bolt insertion hole 45, and the nut 43 is screwed and tightened to fasten and fix the seat bracket 7 (see FIG. 5).
  • a bolt insertion hole 46 that vertically penetrates the anchor bracket end portion 8A, the anchor mounting portion 11 of the floor side surface portion 5, the anchor fixing plate portion 30 and the lower base plate portion 25 of the reinforcement lower portion 16 is provided.
  • the anchor bracket 8 is fastened and fixed by inserting the bolt 42 into the bolt insertion hole 46 and screwing and tightening the nut 44 (see FIG. 6).
  • the reinforcement 14 has a seat fixing plate portion 24 that overlaps the seat mounting portion 10 from the anti-vehicle compartment side, and an anchor fixing plate portion 30 that overlaps the anchor mounting portion 11 from the anti-vehicle compartment side.
  • the bolt insertion holes 45 of the seat fixing plate portion 24 and the bolt insertion holes 46 of the anchor fixing plate portion 30 are arranged so that their positions in the front-rear direction are substantially equal to each other.
  • the seat bracket rear portion 7R and the anchor bracket one end portion 8A are fixed to the seat fixing plate portion 24 and the anchor fixing plate portion 30, respectively, and the reinforcement 14 is the seat fixing plate portion on the left side of the anchor fixing plate portion 30. It extends further to the left from 24 and is coupled to the floor underframe 13.
  • the seat fixing plate portion 24 and the anchor fixing plate portion 30 are provided in one reinforcement 14, when the seat fixing plate portion 24 and the anchor fixing plate portion 30 are provided as separate members. Compared with this, the number of parts can be reduced.
  • the seat fixing plate portion 24 and the anchor fixing plate portion 30 of the reinforcement 14 are connected to the seat or seat belt in the event of a vehicle collision or the like.
  • the load input to is distributed and acts on the floor panel 3 and the floor underframe 13. Therefore, the concentration of the load on the peripheral portion of the reinforcement 14 of the floor panel 3 can be relaxed, and the deformation of the floor panel 3 due to the load input to the seat fixing plate portion 24 and the anchor fixing plate portion 30 is suppressed. be able to.
  • the seat fixing plate portion 24 and the anchor fixing plate portion 30 are arranged so that the positions in the front-rear direction are substantially equal to each other, the width of the reinforcement 14 in the front-rear direction can be set short, and the reinforcement 14 can be set short. Can be miniaturized.
  • the seat attached portion 10 is provided on the floor upper surface portion 4 and the anchor attached portion 11 is provided on the floor side surface portion 4, but the seat attached portion 10 and the anchor attached portion 11 are provided. It may be provided on the same surface portion (for example, the floor upper surface portion 4).
  • the floor structure of this disclosure can be applied to various vehicles.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

Selon la présente invention, un panneau de plancher (3) a une partie fixée de siège (10) avec laquelle une partie de fixation côté siège se chevauche depuis un côté intérieur de véhicule, et une partie de fixation d'ancrage (11) avec laquelle une partie de fixation côté ancrage se chevauche depuis le côté intérieur du véhicule, et forme un plancher d'un intérieur de véhicule. Un sous-châssis de plancher (13) est fixé à une surface arrière du panneau de plancher (3) en tant que squelette du panneau de plancher (3). Un renfort (14) a une partie de fixation de siège (24) chevauchant la partie fixée de siège (10) à partir d'un côté intérieur de véhicule opposé, et une partie de fixation d'ancrage (30) qui chevauche la partie fixée d'ancrage (11) depuis le côté intérieur du véhicule opposé, et est fixé à la surface arrière du panneau de plancher (3). La partie de fixation côté siège et la partie de fixation côté ancrage sont fixées à la partie de fixation de siège (24) et à la partie de fixation d'ancrage (30), respectivement. Le renfort (14) est couplé au sous-châssis de plancher (13).
PCT/JP2020/035946 2019-09-27 2020-09-24 Structure de plancher de véhicule WO2021060342A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202080067833.3A CN114450212B (zh) 2019-09-27 2020-09-24 车辆的地板结构

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-177110 2019-09-27
JP2019177110A JP7300107B2 (ja) 2019-09-27 2019-09-27 車両のフロア構造

Publications (1)

Publication Number Publication Date
WO2021060342A1 true WO2021060342A1 (fr) 2021-04-01

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ID=75167000

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Application Number Title Priority Date Filing Date
PCT/JP2020/035946 WO2021060342A1 (fr) 2019-09-27 2020-09-24 Structure de plancher de véhicule

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JP (1) JP7300107B2 (fr)
CN (1) CN114450212B (fr)
WO (1) WO2021060342A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230311807A1 (en) * 2022-03-31 2023-10-05 Honda Motor Co., Ltd. Vehicle structure with anchor unit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0558338A (ja) * 1991-09-05 1993-03-09 Toyota Motor Corp 車両のフレーム構造
JPH10147210A (ja) * 1996-11-15 1998-06-02 Nissan Motor Co Ltd 自動車の車体後部構造
JPH11310162A (ja) * 1998-04-27 1999-11-09 Daihatsu Motor Co Ltd 自動車の車体下部補強構造
JP2019156088A (ja) * 2018-03-12 2019-09-19 ダイハツ工業株式会社 蓄電装置搭載車両の構造

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001001952A (ja) * 1999-06-23 2001-01-09 Hino Motors Ltd 車輛のフロア補強装置
JP5904393B2 (ja) * 2011-05-27 2016-04-13 スズキ株式会社 リアシート取付け部構造
CN106494265A (zh) * 2016-11-29 2017-03-15 上汽通用五菱汽车股份有限公司 一种汽车第三排座椅安装结构

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0558338A (ja) * 1991-09-05 1993-03-09 Toyota Motor Corp 車両のフレーム構造
JPH10147210A (ja) * 1996-11-15 1998-06-02 Nissan Motor Co Ltd 自動車の車体後部構造
JPH11310162A (ja) * 1998-04-27 1999-11-09 Daihatsu Motor Co Ltd 自動車の車体下部補強構造
JP2019156088A (ja) * 2018-03-12 2019-09-19 ダイハツ工業株式会社 蓄電装置搭載車両の構造

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230311807A1 (en) * 2022-03-31 2023-10-05 Honda Motor Co., Ltd. Vehicle structure with anchor unit

Also Published As

Publication number Publication date
CN114450212A (zh) 2022-05-06
CN114450212B (zh) 2024-02-06
JP7300107B2 (ja) 2023-06-29
JP2021054156A (ja) 2021-04-08

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