WO2021013004A1 - Structure de carrosserie de véhicule, et véhicule - Google Patents

Structure de carrosserie de véhicule, et véhicule Download PDF

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Publication number
WO2021013004A1
WO2021013004A1 PCT/CN2020/102069 CN2020102069W WO2021013004A1 WO 2021013004 A1 WO2021013004 A1 WO 2021013004A1 CN 2020102069 W CN2020102069 W CN 2020102069W WO 2021013004 A1 WO2021013004 A1 WO 2021013004A1
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WO
WIPO (PCT)
Prior art keywords
plate
rear floor
sill
front cross
pillar
Prior art date
Application number
PCT/CN2020/102069
Other languages
English (en)
Chinese (zh)
Inventor
孙金
任通欢
代昭明
何桂军
李永祥
井庆合
赵军利
Original Assignee
长城汽车股份有限公司
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 长城汽车股份有限公司 filed Critical 长城汽车股份有限公司
Publication of WO2021013004A1 publication Critical patent/WO2021013004A1/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
    • B62D25/02—Side panels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
    • B62D21/157—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body for side impacts
    • 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
    • B62D25/02—Side panels
    • B62D25/025—Side sills thereof
    • 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
    • B62D25/04—Door pillars ; windshield pillars
    • 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
    • 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
    • B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
    • B62D25/2036—Floors or bottom sub-units in connection with other superstructure subunits the subunits being side panels, sills or pillars

Definitions

  • the invention belongs to the field of vehicle technology, and more specifically, relates to a body structure and a vehicle
  • the requirements for side collisions in the vehicle collision evaluation standards are also more stringent, and the high-strength body can improve the protection of people in the vehicle.
  • the force transmission channel during the side collision of the vehicle is single, and the energy absorption effect is poor.
  • the vehicle is impacted, it is easy to cause serious deformation of the parts, resulting in high follow-up maintenance costs, and even serious injuries.
  • the purpose of the present invention is to provide a vehicle body structure to solve the technical problems in the prior art that the single force transmission channel during the side collision of the vehicle body causes serious deformation of parts and high follow-up maintenance costs.
  • the technical solution adopted by the present invention is to provide a body structure including a side panel assembly, a rear floor front cross beam assembly and a door sill beam assembly;
  • the side panel assembly includes a side panel outer panel, B Column reinforcement plate, B column upper support plate and B column lower support plate, the B column reinforcement plate is connected to the inner side of the side wall outer panel, the B column reinforcement plate, the B column upper support plate and the The lower support plates of the B-pillar are connected in pairs to form a box for side energy absorption and conduction;
  • the sill beam assembly includes a sill beam, an outer plate of a sill beam, a sill beam reinforcement plate and a sill beam support plate, the sill beam
  • the upper and lower sides of the outer panel of the sill beam are connected to form a first energy absorbing cavity, and the sill beam reinforcing plate is located in the first energy absorbing cavity and connected with the sill beam to form a second energy absorbing cavity.
  • the sill beam support plate is located in the second energy absorbing cavity and is connected with the sill beam and the sill beam reinforcement plate to form a first force transmission channel, and the sill beam outer plate is connected to the inner side of the side wall outer plate
  • the sill beam and the sill beam reinforcement plate are both connected to the inner side of the B-pillar reinforcement plate
  • the rear floor front cross beam assembly includes a rear floor front cross beam, a rear floor front cross beam cover, and a rear floor longitudinal beam front section
  • the plate and the B-pillar lower support plate are connected to form a second force transmission channel
  • the rear floor front cross beam cover plate passes through the front inner plate of the rear floor longitudinal beam, the lower plate of the front inner plate of the rear floor longitudinal beam and
  • the sill beam assembly further includes a sill beam reinforcement plate patch plate, which is connected to the rear end of the sill beam reinforcement plate and is connected to the B-pillar reinforcement plate and the The side wall outer plates are connected in pairs to form a third energy absorbing cavity.
  • the rear floor front cross beam and the rear floor front cross beam cover plate overlap up and down to form a fourth energy absorbing cavity.
  • the rear floor front cross beam and the rear floor front cross beam cover are respectively provided with a plurality of reinforcing ribs.
  • the rear floor front cross beam, the B-pillar upper support plate and the B-pillar lower support plate are all provided with lap edges for connecting the rear floor longitudinal beams and the front cross beam connecting plate.
  • the sill beam support plate is provided with lap edges for overlapping with the sill beam and the sill beam reinforcement plate on the periphery.
  • the sill beam support plate is also provided with reinforcing ribs and conductive holes.
  • the sill beam and the outer plate of the sill beam are respectively provided with overlapping edges and weight reduction holes for mutual connection.
  • the upper and lower sides of the sill beam reinforcement plate are respectively provided with overlapping edges for connecting with the sill beam.
  • Another object of the present invention is to provide a vehicle including the aforementioned body structure.
  • a B-pillar reinforcement plate, a B-pillar upper support plate and a B-pillar lower support plate are arranged on the inner side of the side panel assembly to form a box for side energy absorption and conduction.
  • It acts as an energy absorption and transmission structure between the side panel assembly and the rear floor front cross member assembly, so that the structure first absorbs the energy of the collision when the side is slightly impacted, which can effectively prevent the rear floor front cross member assembly from being affected by external forces. It can better protect the front cross beam assembly of the rear floor from damage and deformation, reduce subsequent maintenance costs and maintenance time, and reduce maintenance costs.
  • FIG. 1 is a schematic diagram 1 of a three-dimensional structure of a vehicle body structure provided by an embodiment of the present invention
  • FIG. 2 is a second schematic diagram of the three-dimensional structure of the vehicle body structure provided by the embodiment of the present invention.
  • FIG. 3 is a three-dimensional schematic diagram three of the vehicle body structure provided by the embodiment of the present invention.
  • FIG. 4 is a schematic diagram 1 of the three-dimensional structure of the connection between the sill beam assembly and the rear floor front cross beam assembly provided by an embodiment of the present invention
  • Fig. 5 is a second schematic diagram of a three-dimensional structure connecting the sill beam assembly and the rear floor front cross beam assembly provided by the embodiment of the present invention
  • Fig. 6 is a three-dimensional schematic diagram of the connection between the threshold beam assembly and the rear floor front cross beam assembly provided by an embodiment of the present invention
  • FIG. 7 is a schematic diagram 1 of a three-dimensional structure of a side panel assembly provided by an embodiment of the present invention.
  • FIG. 8 is a second schematic diagram of the three-dimensional structure of the side panel assembly provided by the embodiment of the present invention.
  • Fig. 9 is a schematic diagram 1 of the three-dimensional structure of the side wall outer panel shown in Fig. 8;
  • Fig. 10 is a second three-dimensional structural diagram of the side wall outer panel shown in Fig. 8;
  • Fig. 11 is a schematic diagram 1 of the three-dimensional structure of the B-pillar reinforcement plate shown in Fig. 8;
  • Fig. 12 is a second three-dimensional structural diagram of the B-pillar reinforcement plate shown in Fig. 8;
  • FIG. 13 is a schematic diagram 1 of a three-dimensional structure of a threshold beam assembly provided by an embodiment of the present invention.
  • FIG. 14 is a schematic diagram 2 of the three-dimensional structure of the threshold beam assembly provided by the embodiment of the present invention.
  • FIG. 15 is a three-dimensional schematic diagram of the sill beam assembly provided by an embodiment of the present invention.
  • 16 is a schematic diagram of the three-dimensional structure of the threshold beam shown in FIG. 13;
  • Figure 17 is a three-dimensional structural diagram of the sill beam reinforcement plate shown in Figure 13;
  • Figure 18 is a schematic diagram 1 of the three-dimensional structure of the sill beam support plate shown in Figure 13;
  • Fig. 19 is a second three-dimensional structural diagram of the sill beam support plate shown in Fig. 13;
  • 20 is a schematic diagram 1 of the three-dimensional structure of the rear floor front cross beam assembly provided by an embodiment of the present invention
  • 21 is a schematic diagram 2 of the three-dimensional structure of the rear floor front cross beam assembly provided by the embodiment of the present invention.
  • FIG. 22 is a schematic diagram of the three-dimensional structure of the front cross beam cover of the rear floor shown in FIG. 20;
  • Fig. 23 is a schematic diagram of the three-dimensional structure of the inner panel of the front section of the rear floor longitudinal beam shown in Fig. 20;
  • FIG. 24 is a schematic diagram of the three-dimensional structure of the lower plate of the inner panel of the front section of the rear floor longitudinal beam shown in FIG. 20;
  • FIG. 25 is a schematic diagram of the three-dimensional structure of the connecting plate of the rear floor longitudinal beam and the front cross beam shown in FIG. 20.
  • 1-B column reinforcement board 2-side wall outer panel; 3-rear floor longitudinal beam and front cross beam connecting board; 4-rear floor longitudinal beam front inner panel; 5-rear floor longitudinal beam front inner panel lower panel; 6-Front cross beam of rear floor; 7-Front cross beam cover of rear floor; 8-Sill beam; 9-Sill beam reinforcement plate; 10-Sill beam outer panel; 11-Sill beam reinforcement plate rear extension plate; 12-Sill beam reinforcement Slab patch plate; 13-sill beam support plate; 14-B column upper support plate; 15-B column lower support plate; 16-lap edge; 17-weight reduction hole; 18-reinforcement.
  • the vehicle body structure includes a side panel assembly, a rear floor front cross beam assembly and a door sill beam 8 assembly.
  • the side panel assembly includes a side panel outer panel 2, a B-pillar reinforcement panel 1, a B-pillar upper support panel 14 and a B-pillar lower support panel 15.
  • the B-pillar reinforcement panel 1 is connected to the side panel outer panel 2.
  • the B-pillar reinforcing plate 1, the B-pillar upper supporting plate 14 and the B-pillar lower supporting plate 15 are connected to each other to form a box for side energy absorption and conduction.
  • the sill beam 8 assembly includes a sill beam 8, a sill beam outer plate 10, a sill beam reinforcement plate 9 and a sill beam support plate 13.
  • the upper and lower sides of the sill beam 8 and the sill beam outer plate 10 are connected to form a structure In the first energy absorbing cavity, the sill beam reinforcing plate 9 is located in the first energy absorbing cavity and is connected with the sill beam 8 to form a second energy absorbing cavity.
  • the sill beam supporting plate 13 is located in the second energy absorbing cavity and is connected to the sill beam 8 and the sill
  • the beam reinforcement plate 9 is connected to form a first force transmission channel
  • the sill beam outer plate 10 is connected to the inner side of the side wall outer plate 2
  • the sill beam 8 and the sill beam reinforcement plate 9 are both connected to the inner side of the B-pillar reinforcement plate 1.
  • the rear floor front cross member assembly includes the rear floor front cross member 6, the rear floor front cross member cover 7, the rear floor longitudinal member front inner plate 4, the rear floor longitudinal member front inner plate lower plate 5 and The rear floor longitudinal beam and the front cross beam connecting plate 3, the rear floor front cross beam 6 is connected to the B-pillar upper support plate 14 and the B-pillar lower support plate 15 through the rear floor longitudinal beam and the front transverse beam connecting plate 3 to form a second force transmission channel;
  • the front cross beam cover 7 of the floor is connected by the front inner plate 4 of the rear floor longitudinal beam and the lower inner plate 5 of the front inner plate of the rear floor longitudinal beam and the sill beam reinforcement plate 9, and the rear floor longitudinal beam and the front cross beam connecting plate 3 are connected to form a third transmission.
  • the rear floor longitudinal beam and the front cross beam connecting plate 3 are connected with the side wall reinforcement plate, the sill beam 8 and the rear floor longitudinal beam front inner plate 4, the rear floor longitudinal beam and the front cross beam connecting plate 3, the rear floor longitudinal beam
  • the front inner panel 4 and the front inner panel lower panel 5 of the rear floor stringer are connected in sequence, the front inner panel 4 of the rear floor stringer, the lower panel 5 of the front inner panel of the rear floor stringer and the sill beam 8 are connected in pairs. .
  • the vehicle body structure provided by the present invention when the side is impacted by a smaller external force, the side wall outer panel 2 transmits the external force to the B-pillar upper support plate 14 and the B-pillar lower through the B-pillar reinforcement plate 1.
  • the box body composed of the support plate 15 realizes energy absorption and force transmission.
  • the upper support plate 14 of the B-pillar and the lower support plate 15 of the B-pillar can be damaged first to avoid damage to the front cross beam assembly of the rear floor. Since the box body is a cavity, it first absorbs the energy of the collision when the side is slightly impacted, which can effectively prevent the rear floor front cross member assembly from being affected by external forces, and better protect the rear floor front cross member assembly from damage and deformation , To reduce subsequent maintenance costs and maintenance time.
  • the transmission line of the first force transmission channel is: the sill beam outer plate 10 transmits the force to the sill beam reinforcement plate 9, the sill beam support plate 13, and the sill beam 8. At this time, the sill beam support plate 13 will deform and collapse under the force.
  • the sill beam 8 transmits external force to the entire vehicle body through the rear floor front cross member cover 7 and the rear floor front cross member 6.
  • the transmission line of the second force transmission channel is: the side wall outer panel 2 transmits the force to the B-pillar upper supporting plate 14 and the B-pillar lower supporting plate 15, and then through the B-pillar upper supporting plate 14 and the B-pillar lower supporting plate 15
  • the connected rear floor longitudinal beam and the front cross beam connecting plate 3 are transferred to the rear floor front cross beam 6 and then to the entire vehicle body via the rear floor front cross beam 6.
  • the transmission line of the third force transmission channel is: the side wall outer panel 2 transmits the force to the sill beam reinforcement plate 9 through the B-pillar reinforcement plate 1, and then the sill beam 8 connected to the sill beam reinforcement plate 9 passes through the rear floor
  • the front inner panel 4 of the longitudinal beam and the lower panel 5 of the front inner panel of the rear floor longitudinal beam are transmitted to the front cross member cover 7 of the rear floor, and then the external force is transmitted to the entire vehicle body through the front cross member cover 7 of the rear floor.
  • the vehicle body provided by the present invention forms a plurality of force transmission channels when subjected to a large force impact, and transmits the received external force to the entire vehicle body through the interconnection with the rear floor front cross member assembly, thereby decomposing the force and avoiding parts receiving Serious damage will ultimately serve the purpose of protecting personal safety. At the same time, it effectively improves the crashworthiness of the vehicle and the maintenance economy of the vehicle, thereby improving the low-speed insurance index evaluation level.
  • the sill beam outer panel 10 and the sill beam 8, the sill beam 8 and the sill beam reinforcement plate 9 of the sill beam assembly form two energy absorbing chambers, and the formed double cavity structure improves the strength of the sill beam assembly. And it has a better energy absorption effect.
  • the middle door sill beam support plate 13 can effectively slow down the external force and decompose the external force to the body when the external force is applied.
  • the sill beam assembly further includes a sill beam reinforcement plate patch 12, which is connected to the sill beam reinforcement plate
  • the rear end of 9 and the B-pillar reinforcement plate 1 and the side wall outer plate 2 are connected in pairs to form a third energy absorbing cavity.
  • the energy absorbing cavity formed between the B-pillar reinforcement plate 1 and the side wall outer plate 2 can absorb the energy of the external force impact and relieve the impact of the external force.
  • the rear end of the sill beam reinforcement plate 12 is also connected to the sill beam reinforcement plate rear extension plate 11, the side wall outer plate 2, the B-pillar reinforcement plate 1, the rear floor longitudinal beam front inner plate 4 and the rear floor longitudinal Both the beam and the front cross beam connecting plate 3 are connected with the rear extension plate of the sill beam reinforcement plate 9.
  • the rear floor front cross beam 6 and the rear floor front cross beam cover 7 overlap up and down to form a fourth energy absorbing cavity. Plays the role of energy absorption and buffering.
  • the connection mode of the rear floor front cross beam 6 and the rear floor front cross beam cover 7 overlaps up and down, which provides more space for the layout and capacity of the fuel tank while meeting the interior space and vision.
  • the high endurance range is increased, and the high endurance vehicle is bound to have a large-capacity fuel tank to store enough fuel to support it.
  • the upper and lower overlap connection method increases the welding surface between the two components and improves the reliability of the connection.
  • the rear floor front cross beam 6 and the rear floor front cross beam cover 7 are respectively provided with a plurality of reinforcing ribs 18.
  • a reasonable reinforcement rib 18 is designed at the overlapping position of the front cross beam 6 of the rear floor and the front cross beam of the rear floor to ensure the strength of the structure.
  • the rear floor front cross beam 6, the B-pillar upper support plate 14 and the B-pillar lower support plate 15 are all provided with a rear floor longitudinal beam
  • the lap edges 16 are reasonably designed to increase the area of the lap and welding surfaces. Under the condition of meeting the strength requirements, the sheet metal of the welding side is reduced, the overall weight is reduced, and the force absorption and transmission in the side collision are effectively increased.
  • the sill beam support plate 13 is provided with lap edges 16 for lapsing the sill beam 8 and the sill beam reinforcement plate 9 respectively. .
  • the door sill beam support plate 13 is designed with reasonable overlapping edges 16 and weight-reducing holes 17 to improve the reliability of the connection and reduce the weight.
  • the sill beam support plate 13 is also provided with reinforcing ribs 18 and conductive holes.
  • the strengthening ribs 18 are provided to improve the strength of the sill beam support plate 13, and at the same time, a conductive hole is provided to make the second energy absorbing cavity flow forward and backward.
  • the door sill beam 8 and the door sill beam outer panel 10 are respectively provided with overlapping edges 16 and weight-reducing holes 17 for mutual connection.
  • the outer panel of the sill beam and the sill beam are reasonably designed with overlapping edges 16 and weight-reducing holes 17 to improve the reliability of the connection and reduce the weight.
  • the upper and lower sides of the sill beam reinforcement plate 9 are respectively provided with overlapping edges 16 for connecting with the sill beam 8.
  • the sill beam reinforcing plate 9 and the sill beam have reasonable overlapping edges 16 and weight-reducing holes 17 to improve the reliability of the connection and reduce the weight of the vehicle body by reducing the weight of the components.
  • the overlapping edge 16 mentioned in this article is to increase the overlapping surface between two connected components, thereby increasing the welding surface and improving the reliability of the connection. Therefore, the overlapping edge 16 in this article It is a unified label and no longer distinguishes different parts of different parts.
  • the ribs 18 mentioned in this article are used to increase the strength of the components, and thus the strength of the entire vehicle, and are also labeled uniformly, so that different parts of different components are no longer distinguished.
  • Another object of the present invention is to provide a vehicle including the aforementioned body structure.
  • This kind of vehicle has multiple power transmission channels, which effectively improves the crashworthiness of the vehicle and the maintenance economy of the vehicle, thereby improving the low-speed insurance index evaluation level.

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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

La présente invention concerne une structure de carrosserie de véhicule et un véhicule, appartenant au domaine technique des véhicules. La structure de carrosserie de véhicule comprend un ensemble paroi latérale, un ensemble traverse avant de plancher arrière et un ensemble panneau oscillant (8), l'ensemble paroi latérale comprenant un panneau externe de paroi latérale (2), une plaque de renfort de pilier B (1), une plaque de support supérieure de pilier B (14) et une plaque de support inférieure de pilier B (15) ; la plaque de renfort de pilier B (1), la plaque de support supérieure de pilier B (14) et la plaque de support inférieure de pilier B (15) sont raccordées l'une à l'autre par paires pour constituer une boîte pour l'absorption et la conduction d'énergie latérale ; et l'ensemble paroi latérale, l'ensemble traverse avant de plancher arrière et l'ensemble panneau oscillant (8) sont raccordés les uns aux autres pour former trois canaux de transfert de force. Les multiples canaux de transfert de force sont formés entre des composants de raccordement de la structure de carrosserie de véhicule, et lorsque la structure de carrosserie de véhicule est heurtée par une force plus grande, la force externe reçue est transmise à l'ensemble de la carrosserie du véhicule au moyen des composants raccordés les uns aux autres afin de supprimer la contrainte, et l'objectif de protection de la sécurité des personnes est finalement atteint.
PCT/CN2020/102069 2019-07-23 2020-07-15 Structure de carrosserie de véhicule, et véhicule WO2021013004A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910668392.1 2019-07-23
CN201910668392.1A CN111469930B (zh) 2019-07-23 2019-07-23 车身结构及车辆

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Publication Number Publication Date
WO2021013004A1 true WO2021013004A1 (fr) 2021-01-28

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PCT/CN2020/102069 WO2021013004A1 (fr) 2019-07-23 2020-07-15 Structure de carrosserie de véhicule, et véhicule

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WO (1) WO2021013004A1 (fr)

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CN114228840B (zh) * 2021-12-03 2023-06-06 江铃汽车股份有限公司 一种用于车辆的门槛梁结构
CN115230825B (zh) * 2022-07-20 2024-04-16 岚图汽车科技有限公司 一种后地板前横梁总成、后地板总成以及车辆
CN115923935B (zh) * 2023-01-10 2024-05-24 广州汽车集团股份有限公司 下车体结构及汽车

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US20020180244A1 (en) * 2001-06-05 2002-12-05 Honda Giken Kogyo Kabushiki Kaisha Automobile body structure
DE10332634A1 (de) * 2003-07-18 2005-03-10 Audi Ag Fahrzeug-Tragstruktur
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CN208602570U (zh) * 2018-06-29 2019-03-15 威马智慧出行科技（上海）有限公司 车身侧碰加强机构

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