WO2020203216A1 - Structure de carrosserie de véhicule - Google Patents

Structure de carrosserie de véhicule Download PDF

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Publication number
WO2020203216A1
WO2020203216A1 PCT/JP2020/011414 JP2020011414W WO2020203216A1 WO 2020203216 A1 WO2020203216 A1 WO 2020203216A1 JP 2020011414 W JP2020011414 W JP 2020011414W WO 2020203216 A1 WO2020203216 A1 WO 2020203216A1
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WO
WIPO (PCT)
Prior art keywords
vehicle
panel
reinforcing member
region
body structure
Prior art date
Application number
PCT/JP2020/011414
Other languages
English (en)
Japanese (ja)
Inventor
伸彦 金光
ナッタワット スワンラーク
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 CN202080025507.6A priority Critical patent/CN113646226B/zh
Publication of WO2020203216A1 publication Critical patent/WO2020203216A1/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

Definitions

  • This disclosure relates to the body structure of the vehicle.
  • Patent Document 1 discloses a structure in which a step portion is provided between the front floor panel and the center floor panel, and a cross member is provided in the step portion.
  • the vehicle may be provided with a reinforcing member extending in the front-rear direction of the vehicle along the lower surface of the floor panel on which the step portion is formed.
  • a reinforcing member is provided along the lower surface of the floor panel, for example, when the vehicle collides forward or backward, the floor is subjected to a force applied to the floor panel in the front-rear direction of the vehicle. There was a problem that the panel was easily deformed.
  • An object of the present disclosure is to provide a vehicle body structure having a floor panel that is not easily deformed by a force applied in the front-rear direction of the vehicle.
  • the floor of the vehicle is formed, the first panel, the second panel at a position higher than the first panel in the height direction of the vehicle, and the first panel.
  • a floor panel having a connection panel for connecting the second panel, a first region located on the lower surface of the first panel, a second region located on the lower surface of the second panel, and the first region.
  • the first reinforcing member extending in the front-rear direction of the vehicle and the connecting panel and the first reinforcing member extending in the vehicle width direction of the vehicle over the inclined region between the vehicle and the second region. It is a vehicle body structure characterized by having a second reinforcing member fixed to a portion of the member corresponding to the inclined region.
  • the portion of the first reinforcing member corresponding to the inclined region is at an angle smaller than the angle between the connecting panel and the horizontal direction orthogonal to the height direction of the vehicle from the front to the rear. It may extend upward in the height direction of the vehicle.
  • the second reinforcing member may be fixed to at least one of the first panel and the second panel. Further, even if the second reinforcing member is fixed to at least one of a portion of the first reinforcing member corresponding to the first region and a portion of the first reinforcing member corresponding to the second region. Good. Further, a seat fixing portion for fixing the seat may be further provided on the upper surface of the floor panel, and the second reinforcing member may be provided behind the seat fixing portion in the front-rear direction of the vehicle.
  • first reinforcing member has a first left reinforcement provided on the left side of the vehicle and a first right reinforcement provided on the right side of the vehicle
  • second reinforcing member includes: Below the first left reinforcement and the first right reinforcement, it may be provided so as to extend in the vehicle width direction of the vehicle.
  • FIG. 1 is a schematic perspective view of a vehicle provided with the body structure according to the embodiment.
  • FIG. 2 shows the body structure seen from below the vehicle.
  • FIG. 3 shows a structure near the second reinforcing member.
  • FIG. 1 is a schematic perspective view of a vehicle provided with the body structure 2 according to the embodiment.
  • FIG. 2 is a diagram showing a body structure 2 seen from below the vehicle. Note that FIG. 2 is a diagram showing a body structure 2 in which the portion of the region A in FIG. 1 is viewed from below in the height direction of the vehicle.
  • the vehicle has a frame 1, a body structure 2, an elastic member 3, and a seat 4.
  • the frame 1 extends in the front-rear direction of the vehicle.
  • the frame 1 has, for example, a plurality of side members extending in the front-rear direction of the vehicle, and a plurality of cross members extending in the vehicle width direction between the plurality of side members.
  • the frame 1 is provided with, for example, a body structure 2 described later, and vehicle parts such as an engine and a transmission (not shown).
  • the body structure 2 is a vehicle body provided above the frame 1 in the height direction of the vehicle.
  • the body structure 2 constitutes, for example, an engine room, a vehicle compartment, a luggage compartment, and the like. Details of the body structure 2 will be described later.
  • the elastic member 3 is provided between the frame 1 and the body structure 2. Specifically, a plurality of elastic members 3 are provided between each of the plurality of mount portions 211 of the floor panel 21, which will be described later, and the frame 1.
  • the elastic member 3 is formed of, for example, rubber. In the vehicle, the elastic member 3 is provided between the frame 1 and the body structure 2 in this way. Therefore, for example, the elastic member 3 absorbs the vibration generated in the frame 1 when the vehicle is running, so that the frame 1 can be formed. It is possible to suppress the vibration of the body structure 2 due to the vibration.
  • the seat 4 is the seat on which the occupants of the vehicle sit.
  • the seat 4 has a seat body (not shown) and a seat bracket 41.
  • the seat body portion includes, for example, a seat surface portion and a backrest portion.
  • the seat bracket 41 is a portion for connecting the seat body to the floor panel 21.
  • the sheet 4 is fixed to a sheet fixing portion 215, which will be described later.
  • the seat 4 for example, the first seat 4a, the second seat 4b, and the third seat 4c are provided in order from the front to the rear in the front-rear direction of the vehicle.
  • the seat 4 is provided with a seatbelt fixing portion to which the tip of the seatbelt is connected.
  • the seatbelt fixing portion includes, for example, a receiving side metal fitting into which a buckle provided at the tip of the seatbelt is inserted.
  • the seat belt is housed in, for example, a take-up device provided on a side panel.
  • the side panels form the sides of the vehicle, the lower end of which is connected to the side edge of the floor panel 21.
  • the occupant wears the seatbelt by, for example, pulling the seatbelt diagonally across the front of the occupant's body from the take-up device and connecting the buckle at the tip of the seatbelt to the seatbelt fixing portion. ..
  • FIG. 3 is a diagram showing a structure near the second reinforcing member 23. Note that FIG. 3 is an enlarged cross-sectional view of the floor panel 21 in the portion of the body structure 2 shown in FIG. 1 in the vicinity of the connection panel 214.
  • the body structure 2 has a floor panel 21, a first reinforcing member 22, and a second reinforcing member 23.
  • the floor panel 21 forms the floor of the vehicle.
  • the floor panel 21 has, for example, a plate shape.
  • the floor panel 21 has a plurality of mount portions 211, a first panel 212, a second panel 213, a connection panel 214, and a seat fixing portion 215.
  • the first panel 212, the second panel 213, and the connection panel 214 are integrally formed.
  • the mount portion 211 is a portion for connecting the frame 1 and the floor panel 21.
  • the mount portion 211 has, for example, a hole.
  • the hole is, for example, a hole into which a bolt is inserted.
  • the floor panel 21 inserts bolts into holes formed in the frame 1, holes formed in the elastic member 3, and holes formed in the mount portion 211, and nuts are inserted into the inserted bolts. By tightening, it is fixed to the frame 1 via the elastic member 3.
  • the first panel 212 is formed, for example, in the front in the front-rear direction of the vehicle.
  • the second panel 213 is located higher than the first panel 212 in the height direction of the vehicle.
  • the second panel 213 is formed behind the first panel 212, for example, in the front-rear direction of the vehicle.
  • the connection panel 214 connects the first panel 212 and the second panel 213.
  • the front end of the connection panel 214 is connected to, for example, the rear end of the first panel 212, and the rear end of the connection panel 214 is connected to, for example, the front end of the second panel 213.
  • the seat fixing portion 215 is a portion for fixing the seat 4 on the upper surface of the floor panel 21.
  • the seat fixing portion 215 has, for example, a hole formed in the floor panel 21.
  • the seat fixing portion 215 is provided below the seat 4.
  • four seat fixing portions 215 arranged in two rows in the front-rear direction of the vehicle and two rows in the vehicle width direction of the vehicle are provided below one seat 4.
  • the seat 4 is fixed to the floor panel 21 by inserting bolts into the holes formed in the floor panel 21 and the holes formed in the seat bracket 41 and tightening nuts to the inserted bolts. Has been done.
  • the first reinforcing member 22 reinforces the floor panel 21.
  • the first reinforcing member 22 extends in the front-rear direction of the vehicle over the first region 221 and the second region 222 and the inclined region 223.
  • the first reinforcing member 22 has, for example, a hat-shaped cross section in the vehicle width direction of the vehicle.
  • the first reinforcing member 22 has, for example, a shape that is convex downward in the height direction of the vehicle.
  • the first area 221 is an area located on the lower surface of the first panel 212 of the floor panel 21.
  • the portion of the first reinforcing member 22 corresponding to the first region 221 is welded to, for example, the lower surface of the first panel 212.
  • the second region 222 is an region located on the lower surface of the second panel 213 of the floor panel 21.
  • the portion of the first reinforcing member 22 corresponding to the second region 222 is welded to the lower surface of the second panel 213.
  • the inclined region 223 is an region between the first region 221 and the second region 222.
  • the front end of the inclined region 223 is connected to, for example, the rear end of the first region 221 and the rear end of the inclined region 223 is connected to, for example, the front end of the second region 222.
  • the first reinforcing member 22 in the inclined region 223 has, for example, a linear shape.
  • the length of the inclined region 223 is, for example, the length of the first region 221 in the front-rear direction of the vehicle and the length of the second region 222 in the front-rear direction of the vehicle. Smaller than that.
  • the portion of the first reinforcing member 22 corresponding to the inclined region 223 is at an angle smaller than the angle between the connection panel 214 and the horizontal direction orthogonal to the height direction of the vehicle from the front to the rear, and the height of the vehicle. It extends upward in the horizontal direction. That is, the first reinforcing member 22 in the inclined region 223 extends in a direction closer to the horizontal direction orthogonal to the height direction of the vehicle than the connecting panel 214 of the floor panel 21. Since the vehicle body structure 2 has such a first reinforcing member 22, the deformation of the floor panel 21 can be suppressed with respect to the force applied to the floor panel 21 in the front-rear direction of the vehicle.
  • the situation in which a force is applied to the floor panel 21 in the front-rear direction of the vehicle includes, for example, a case where the vehicle collides forward or collides backward.
  • the floor panel 21 When a force is applied to the floor panel 21 in the front-rear direction of the vehicle, the floor panel 21 is easily deformed in the vicinity of the connection panel 214.
  • the body structure 2 has the first reinforcing member 22 extending in the inclined region 223 in a direction closer to the horizontal direction orthogonal to the height direction of the vehicle than the connection panel 214, so that the body structure 2 extends in the front-rear direction of the vehicle. Even if a force is applied, the deformation of the floor panel 21 can be suppressed.
  • the first reinforcing member 22 has two reinforcements provided in two rows in the vehicle width direction, that is, a first left reinforcement 22a and a first right reinforcement 22b.
  • the first left reinforcement 22a is a reinforcement provided on the left side in the vehicle width direction of the vehicle.
  • the first right reinforcement 22b is a reinforcement provided on the right side in the vehicle width direction of the vehicle.
  • the second reinforcing member 23 reinforces the floor panel 21.
  • the second reinforcing member 23 extends in the vehicle width direction of the vehicle.
  • the second reinforcing member 23 has, for example, a region having a shape that is convex downward in the height direction of the vehicle.
  • the second reinforcing member 23 is fixed to the connecting panel 214 of the floor panel 21 and the portion of the first reinforcing member 22 corresponding to the inclined region 223.
  • the second reinforcing member 23 is welded to the lower surface of the connecting panel 214 of the floor panel 21.
  • the second reinforcing member 23 is welded to the lower surface of the first reinforcing member 22 in the height direction of the portion corresponding to the inclined region 223.
  • the floor panel 21 is provided with the second reinforcing member 23 in this way, the deformation of the floor panel 21 due to the force applied to the floor panel 21 can be suppressed.
  • the floor panel 21 is provided with the second reinforcing member 23, even if the floor panel 21 is joined in the front-rear direction of the vehicle, the deformation of the floor panel 21 can be suppressed.
  • the first reinforcing member 22 has the inclined region 223, a space is created between the surface of the first reinforcing member 22 on the floor panel 21 side of the inclined region 223 and the lower surface of the floor panel 21. If the body structure 2 has such a space, the floor panel 21 is likely to be deformed by the force applied to the floor panel 21, but since the body structure 2 has the second reinforcing member 23, the force is applied to the floor panel 21. Even if it is added, the deformation of the floor panel 21 can be suppressed.
  • the second reinforcing member 23 is further fixed to at least one of the first panel 212 of the floor panel 21 and the second panel 213 of the floor panel 21. Specifically, the second reinforcing member 23 is further welded to at least one of the lower surface of the first panel 212 of the floor panel 21 and the lower surface of the second panel 213 of the floor panel 21. By fixing the second reinforcing member 23 in this way, the contact area between the second reinforcing member 23 and the floor panel 21 becomes large. As a result, the body structure 2 can suppress the deformation of the floor panel 21 due to the force applied to the floor panel 21.
  • the second reinforcing member 23 is further fixed to at least one of a portion corresponding to the first region 221 of the first reinforcing member 22 and a portion corresponding to the second region 222 of the first reinforcing member 22.
  • the second reinforcing member 23 is further divided into a lower surface of a portion of the first reinforcing member 22 corresponding to the first region 221 and a lower surface of a portion of the first reinforcing member 22 corresponding to the second region 222. Welded to at least one.
  • the second reinforcing member 23 is provided behind the seat fixing portion 215. Specifically, the second reinforcing member 23 is provided in a region behind the seat fixing portion 215 of the second seat 4b and in front of the seat fixing portion 215 of the third seat 4c.
  • the second reinforcing member 23 is provided behind the seat fixing portion 215 in this way, even when a force is transmitted from the seat 4 to the floor panel 21, deformation of the floor panel 21 is suppressed. it can.
  • Examples of the case where the force is transmitted from the seat 4 to the floor panel 21 include a case where tension is generated in the seat belt when the vehicle collides forward or suddenly stops. When tension is generated in the seat belt, a force that pulls the floor panel 21 upward, for example, is transmitted from the seat 4 to the vicinity of the seat fixing portion 215 of the floor panel 21 via the seat belt fixing portion provided on the seat 4. Will be done.
  • the body structure 2 is based on the force transmitted from the seat 4 to the floor panel 21 because the second reinforcing member 23 is provided behind the seat fixing portion 215 provided on the floor panel 21 in the vehicle width direction. Deformation of the floor panel 21 can be suppressed.
  • the second reinforcing member 23 is provided below the first left reinforcement 22a and the first right reinforcement 22b so as to extend in the vehicle width direction.
  • the second reinforcing member 23 is provided with a region recessed upward in the height direction of the vehicle between the first left reinforcement 22a and the first right reinforcement 22b in the vehicle width direction of the vehicle. ..
  • the second reinforcing member 23 is a region fixed to the left side of the first left reinforcement 22a on the floor panel 21 from the left side to the right side in the vehicle width direction, that is, the first left reinforcement.
  • Area fixed to 22a area fixed between the first left reinforcement 22a and the first right reinforcement 22b on the floor panel 21, area fixed to the first right reinforcement 22b, floor panel These regions are provided in the order of the regions fixed to the right side of the first right reinforcement 22b in 21.
  • the floor panel 21 is deformed by the force applied to the floor panel 21. Can be further suppressed.
  • the vehicle body structure 2 forms the floor of the vehicle, and has the first panel 212, the second panel 213 which is higher than the first panel 212 in the height direction of the vehicle, and the first panel 212. It has a floor panel 21 having a connection panel 214 for connecting the first panel 212 and the second panel 213. Further, the vehicle body structure 2 includes a first region 221 located on the lower surface of the first panel 212, a second region 222 located on the lower surface of the second panel 213, and a first region 221 and a second region 222. It has a first reinforcing member 22 extending in the front-rear direction of the vehicle over the inclined region 223 between the two. Further, the vehicle body structure 2 has a second reinforcing member 23 extending in the vehicle width direction of the vehicle and fixed to a portion corresponding to the inclined region 223 of the connecting panel 214 and the first reinforcing member 22.
  • the body structure 2 according to the present embodiment has such a first reinforcing member 22 and a second reinforcing member 23, for example, due to a force applied in the front-rear direction of the vehicle when the vehicle collides forward or backward. Deformation of the floor panel 21 can be suppressed.
  • the present disclosure has been described above using the embodiments, the technical scope of the present disclosure is not limited to the scope described in the above embodiments, and various modifications and changes can be made within the scope of the gist. is there.
  • the specific embodiment of the distribution / integration of the device is not limited to the above embodiment, and all or a part thereof may be functionally or physically distributed / integrated in an arbitrary unit. Can be done.
  • Also included in the embodiments of the present disclosure are new embodiments resulting from any combination of the plurality of embodiments. The effect of the new embodiment produced by the combination has the effect of the original embodiment together.
  • the vehicle body structure of the present disclosure is useful in that it suppresses deformation of the floor panel due to a force applied in the front-rear direction of the vehicle.

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

Abstract

L'invention concerne une structure de carrosserie de véhicule (2) comprenant : un panneau de plancher (21) qui forme le plancher d'un véhicule et qui comporte un premier panneau (212), un second panneau (213) situé dans une position supérieure au premier panneau (212) dans la direction de la hauteur du véhicule, et un panneau de liaison (214) reliant le premier panneau (212) et le second panneau (213) ; un premier élément de renfort (22) s'étendant dans la direction avant-arrière du véhicule sur une première région (221) située sur la surface inférieure du premier panneau (212), une seconde région (222) située sur la surface inférieure du second panneau (213), et une région inclinée (223) entre la première région (221) et la seconde région (222) ; et un second élément de renfort (23) s'étendant dans la direction de la largeur du véhicule et fixé à des parties correspondant au panneau de liaison (214) et à la région inclinée (223) du premier élément de renfort (22).
PCT/JP2020/011414 2019-03-29 2020-03-16 Structure de carrosserie de véhicule WO2020203216A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202080025507.6A CN113646226B (zh) 2019-03-29 2020-03-16 车辆的车身结构

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019065898A JP7192616B2 (ja) 2019-03-29 2019-03-29 車両のボディ構造
JP2019-065898 2019-03-29

Publications (1)

Publication Number Publication Date
WO2020203216A1 true WO2020203216A1 (fr) 2020-10-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/011414 WO2020203216A1 (fr) 2019-03-29 2020-03-16 Structure de carrosserie de véhicule

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Country Link
JP (1) JP7192616B2 (fr)
CN (1) CN113646226B (fr)
WO (1) WO2020203216A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016190510A (ja) * 2015-03-30 2016-11-10 ダイハツ工業株式会社 自動車の車体構造
JP2018058525A (ja) * 2016-10-07 2018-04-12 いすゞ自動車株式会社 車両の荷重伝達システム

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS634788U (fr) * 1986-06-27 1988-01-13
JP2000016350A (ja) * 1998-07-08 2000-01-18 Suzuki Motor Corp 自動車のリヤフロア構造
JP2005067491A (ja) * 2003-08-26 2005-03-17 Honda Motor Co Ltd 車体構造
JP2006290141A (ja) * 2005-04-11 2006-10-26 Mazda Motor Corp 車両の下部車体構造
JP4630112B2 (ja) 2005-04-11 2011-02-09 本田技研工業株式会社 車体フレーム構造
CN109204557B (zh) 2017-06-30 2021-11-12 比亚迪股份有限公司 车身结构及车辆

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016190510A (ja) * 2015-03-30 2016-11-10 ダイハツ工業株式会社 自動車の車体構造
JP2018058525A (ja) * 2016-10-07 2018-04-12 いすゞ自動車株式会社 車両の荷重伝達システム

Also Published As

Publication number Publication date
JP2020163995A (ja) 2020-10-08
CN113646226A (zh) 2021-11-12
JP7192616B2 (ja) 2022-12-20
CN113646226B (zh) 2024-03-05

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