WO2019001526A1 - Structure de carrosserie de véhicule, et véhicule - Google Patents

Structure de carrosserie de véhicule, et véhicule Download PDF

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Publication number
WO2019001526A1
WO2019001526A1 PCT/CN2018/093435 CN2018093435W WO2019001526A1 WO 2019001526 A1 WO2019001526 A1 WO 2019001526A1 CN 2018093435 W CN2018093435 W CN 2018093435W WO 2019001526 A1 WO2019001526 A1 WO 2019001526A1
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WO
WIPO (PCT)
Prior art keywords
cross member
vehicle body
flange
panel
bottom wall
Prior art date
Application number
PCT/CN2018/093435
Other languages
English (en)
Chinese (zh)
Inventor
刘新春
嵇明
邓荣添
许成
卢淑珍
Original Assignee
比亚迪股份有限公司
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 比亚迪股份有限公司 filed Critical 比亚迪股份有限公司
Publication of WO2019001526A1 publication Critical patent/WO2019001526A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D23/00—Combined superstructure and frame, i.e. monocoque constructions
    • 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
    • B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
    • 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
    • B62D21/09—Means for mounting load bearing surfaces
    • 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
    • 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
    • B62D21/152—Front or rear frames
    • 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 present disclosure relates to the field of vehicle technology, and in particular to a vehicle body structure and a vehicle having the same.
  • An object of the present disclosure is to provide a vehicle body structure and a vehicle using the same.
  • a vehicle body structure including: a front longitudinal beam including a left front longitudinal beam and a right front longitudinal beam spaced apart in a left-right direction; a front cabin beam, the front cabin beam connected The left front side member and the right front side member; the front cross member, the front side member is bent outward from a connection position with the front cabin beam to form an outer curved portion, and the outer curved portion extends rearward To the front beam.
  • the present disclosure also provides a vehicle including the vehicle body structure provided by the present disclosure.
  • the vehicle body structure provided by the present disclosure can effectively improve the strength and stability of the vehicle body structure at the time of front collision, so that the safety performance of the vehicle is higher.
  • FIG. 1 is an exploded view of a specific embodiment of a vehicle body cross member according to the present disclosure
  • Figure 2 is a top plan view of the vehicle body cross member provided in Figure 1 applied to the vehicle body structure;
  • FIG. 3 is a bottom perspective view of a partial structure of a vehicle body structure provided by the present disclosure, showing a front side rail, a front cross member, a front cross member, a dash panel, and a floor panel;
  • Figure 4 is a schematic view showing the connection relationship between the front side member and the front side member of Figure 3;
  • Figure 5 is a detailed view of the connection relationship between the front side member and the floor front side member of Figure 3;
  • Figure 6 is a schematic view showing the connection relationship between the front longitudinal beam and the front cabin beam of Figure 3;
  • Figure 7 is a detailed view of the connection relationship between the front longitudinal beam and the front cabin beam of Figure 3;
  • Figure 8 is a perspective view of another partial structure of the vehicle body structure provided by the present disclosure, showing the inner connecting plate and the outer connecting plate;
  • Figure 9 is a detailed view of the connection relationship between the inner connecting plate of Fig. 8 and other components of the vehicle body structure;
  • Figure 10 is a detailed view of the connection relationship between the outer connecting plate of Figure 8 and other components of the vehicle body structure;
  • Figure 11 is a first embodiment of the first modification of the vehicle body structure of Figure 8, wherein the first connecting beam and the second connecting beam are formed as an integral X-shaped connecting beam;
  • Figure 12 is a second embodiment of the first modification of the vehicle body structure of Figure 8, wherein the first connecting beam and the second connecting beam are formed as a split X-shaped connecting beam;
  • Figure 13 is a third embodiment of the first modification of the vehicle body structure of Figure 8, wherein the first connecting beam and the second connecting beam are formed as split cross-shaped connecting beams;
  • Figure 14 is a first embodiment of the second modification of the vehicle body structure of Figure 8, including the front cabin middle beam and the connecting beam, and the connecting beam and the front cabin beam are enclosed in a triangular configuration;
  • Figure 15 is a second embodiment of the second modification of the vehicle body structure of Figure 8, including a front cross member beam and a connecting beam, and the connecting beam and the front cross member enclose a triangular structure;
  • Figure 16 is a schematic view showing a third modification of the vehicle body structure of Figure 8, wherein the rear section of the front side member is formed as an inner curved section, and the outer side is connected with a connecting beam, and the inner curved section and the connecting beam form a herringbone support;
  • Figure 17 is a first embodiment of the fourth modification of the vehicle body structure of Figure 8, wherein the rear section of the front side member is formed as an outer curved section, and the outer curved section is overlapped with the front beam;
  • Figure 18 is a second embodiment of the fourth modification of the vehicle body structure of Figure 8, wherein the rear section of the front side member is formed as an outer curved section, and the outer curved section is overlapped with the front beam and the sill inner panel, respectively;
  • Figure 19 is a third embodiment of the fourth modification of the vehicle body structure of Figure 8, wherein the inner side of the outer curved section is connected with a connecting beam, and the connecting beam and the outer curved section form a herringbone support;
  • Figure 20 is a detailed view of the connection relationship between the connecting beam and the outer curved section of Figure 19;
  • Figure 21 is a fourth embodiment of the fourth modification of the vehicle body structure of Figure 8, wherein a front cross member is connected between the outer curved sections, and a connecting beam is connected between the front cross member and the front cabin cross member;
  • Figure 22 is a detailed view of the connection relationship between the cross member of the front compartment and the outer curved section of Figure 21;
  • Figure 23 is a detailed view of the connection relationship between the connecting beam of Figure 21 and the front cross member and the front cabin cross member;
  • Figure 24 is a schematic view showing a fifth embodiment of the fourth modification of the vehicle body structure of Figure 8.
  • Figure 25 is a schematic view showing a sixth embodiment of the fourth variant of the vehicle body structure of Figure 8.
  • 26 is a schematic view of a first embodiment of a force transmission path of a vehicle body structure provided by the present disclosure
  • Figure 27 is a detailed view of the connection relationship of the front cross member, the floor longitudinal beam and the inner panel of the sill of Figure 26;
  • Figure 28 is a detailed view of the connection relationship between the front beam and the floor stringer of Figure 26;
  • Figure 29 is a detailed view of the connection relationship between the front cross member and the inner panel of the sill of Figure 26;
  • Figure 30 is a detailed view of another perspective view of the connection relationship between the front cross member and the sill inner panel of Figure 26;
  • FIG. 31 is a schematic view of a second embodiment of a force transmission path of a vehicle body structure provided by the present disclosure, wherein the front beam is connected to the sill inner panel through an intermediate connecting plate;
  • FIG. 32 is another schematic view of a second embodiment of a force transmission path of a vehicle body structure provided by the present disclosure, wherein the front cross member, the floor rail and the sill inner panel are connected by an intermediate connecting plate;
  • FIG. 33 is a schematic view of a third embodiment of a force transmission path of a vehicle body structure provided by the present disclosure, wherein the front beam is connected to the sill inner panel through the floor longitudinal beam;
  • 34 is another schematic view of a third embodiment of a force transmission path of a vehicle body structure provided by the present disclosure.
  • 35 is a schematic view of a first embodiment of a fourth embodiment of a force transmission path of a vehicle body structure provided by the present disclosure.
  • 36 is a schematic view of a second embodiment of a fourth embodiment of a force transmission path of a vehicle body structure provided by the present disclosure.
  • FIG. 37 is a schematic view of a third embodiment of a fourth embodiment of a force transmission path of a vehicle body structure provided by the present disclosure.
  • FIG. 38 is a schematic view of a first embodiment of a fifth embodiment of a force transmission path of a vehicle body structure provided by the present disclosure
  • Figure 39 is a detailed view of the connection relationship between the front side member and the front cabin beam of Figure 38;
  • Figure 40 is another perspective view showing the connection relationship between the front side member and the front cabin beam of Figure 38;
  • Figure 41 is a detailed view of the connection relationship between the connecting plate and the front cabin beam of Figure 38;
  • Figure 42 is a detailed view of the connection relationship between the connecting plate and the front cross member of Figure 38;
  • FIG. 43 is a schematic view of a second embodiment of a fifth embodiment of a force transmission path of a vehicle body structure provided by the present disclosure.
  • 44 is a schematic diagram of a third embodiment of a fifth embodiment of a force transmission path of a vehicle body structure provided by the present disclosure.
  • 45 is a schematic view of a fourth embodiment of a fifth embodiment of a force transmission path of a vehicle body structure provided by the present disclosure.
  • Figure 46 is a schematic illustration of a fifth embodiment of a fifth embodiment of a force transmission path of a vehicle body structure provided by the present disclosure
  • 47 is a schematic diagram of a sixth embodiment of a force transmission path of a vehicle body structure provided by the present disclosure.
  • Figure 48 is a detailed view of the connection relationship between the connecting plate of Figure 47 and the inner panel of the sill;
  • 49 is a schematic diagram of a seventh embodiment of a force transmission path of a vehicle body structure provided by the present disclosure.
  • Figure 50 is a detailed view of the connection relationship between the connecting plate and the floor stringer of Figure 49;
  • 51 is a schematic view of a carrier frame in a vehicle body structure provided by the present disclosure.
  • FIG. 52 is another schematic view of a carrier frame in a vehicle body structure provided by the present disclosure, in which a battery tray is shown;
  • 53 is still another schematic diagram of a carrier frame in a vehicle body structure provided by the present disclosure, wherein the battery tray is formed in a split structure;
  • Figure 54 is a schematic structural view of the upper surface of the floor panel in the vehicle body structure provided by the present disclosure, wherein the horizontal pressure plate and the central passage cover are shown;
  • Figure 55 is a schematic view showing the positional relationship of the horizontal pressing plate, the floor panel and the front cross member of Figure 54;
  • Figure 56 is a bottom perspective view of the floor panel of the vehicle body structure provided by the present disclosure, wherein a gap is formed between the central passage and the front cross member;
  • Figure 57 is a schematic view showing a modification of the gap in Figure 56;
  • Figure 58 is a schematic view showing the connection relationship between the central passage cover and the front cabin beam in the vehicle body structure provided by the present disclosure
  • 59 is a schematic view showing a connection relationship between a central passage cover and a front wall in the vehicle body structure provided by the present disclosure
  • 60 is another schematic structural view of an upper surface of a floor panel in a vehicle body structure provided by the present disclosure.
  • Figure 61 is a schematic view showing the positional relationship of the horizontal pressing plate, the longitudinal pressing plate, the floor panel and the front cross member of Figure 60;
  • Figure 62 is an enlarged detail view of Figure 61;
  • Figure 63 is a schematic view showing the positional relationship between the longitudinal pressure plate connecting plate and the front longitudinal beam of Figure 60;
  • 64 is a schematic diagram of a force transmission path of a vehicle body upper structure in a vehicle body structure provided by the present disclosure, wherein the front side member is connected to the vehicle A pillar through a force transmission connection member;
  • Figure 65 is an exploded view of Figure 64
  • Figure 66 is a schematic view showing the connection relationship between the front side member and the vehicle A-pillar of Figure 64;
  • 67 is a top plan view of one embodiment of a vehicle body structure provided by the present disclosure.
  • Figure 68 is a bottom plan view of one embodiment of a vehicle body structure provided by the present disclosure.
  • Figure 69 is a perspective view of an embodiment of a vehicle body structure provided by the present disclosure.
  • Figure 70 is another perspective view of one embodiment of a vehicle body structure provided by the present disclosure.
  • the orientation words used are defined on the basis of the up and down direction, the left and right direction, and the front and rear direction of the vehicle, unless otherwise stated.
  • the X direction is the front-rear direction of the vehicle, wherein the side pointed by the arrow is “front”, and vice versa is “rear”
  • the Y direction is the left-right direction of the vehicle, wherein the side pointed by the arrow is “right” ", the opposite is “left”
  • the Z direction is the up and down direction of the vehicle, wherein the side to which the arrow points is “up” and vice versa
  • “inside and outside” are defined based on the contour of the corresponding component, for example
  • the inside and outside of the vehicle are defined on the basis of the vehicle profile, and the side near the middle of the vehicle is “inside” and vice versa.
  • the above definitions are only used to assist the description of the disclosure and should not be construed as limiting.
  • all "beams” in the present disclosure refer to beams extending in the left-right direction of the vehicle, and all “stringers” refer to beams extending in the front-rear direction of the vehicle.
  • the "front stringer” refers to a stringer that extends rearward from the front anti-collision beam of the vehicle body structure.
  • “Back stringer” refers to a stringer that is previously extended from the rear impact beam of the vehicle in the body structure.
  • the stringers are usually two and are symmetrically arranged with respect to the front and rear centerlines of the vehicle, for example, the "front rails” generally include “left front rails” and “right front rails” spaced apart in the left and right direction.
  • front touch in the present disclosure refers to a case where the front portion of the vehicle is subjected to an impact
  • side collision refers to a case where the side of the vehicle is subjected to an impact.
  • front compartment occupant cabin
  • front panel front panel
  • floor panel floor panel
  • threshold panel etc.
  • connection may be interpreted broadly, and may be in a non-removable manner such as welding, bolts, etc., unless otherwise specified and limited.
  • the manner of disassembly, or the manner of integral molding such as molding, is achieved in a manner known to those skilled in the art.
  • a vehicle body cross member 200 is provided.
  • a body cross member 200 provided by the first aspect of the present disclosure is illustrated in FIGS. 1 and 2.
  • the body cross member 200 may include a groove beam body and a support member connected to the groove beam body and surrounding the at least partially groove beam body with a support structure having a closed cross section, the support structure capable of adding the body beam The strength of 200, thereby effectively resisting forces in the longitudinal direction, such as collision impact.
  • the vehicle body cross member 200 can serve as a load-bearing structure for other components of the vehicle, for example, as a battery pack mounting cross member (such as a battery pack front cross member).
  • the vehicle body cross member 200 is used for absorbing impact energy when the vehicle is hit before the vehicle is hit, that is, the support structure with a closed cross section makes the overall strength of the body cross member 200 higher and stability, and the body is guaranteed.
  • the beam 200 is less prone to deformation when subjected to impact, thereby avoiding a possible fire caused by impact or crush deformation of the battery pack located behind the beam before the battery pack is installed to protect other parts of the vehicle and the occupant.
  • the trough-shaped beam body may include a beam bottom wall 201 and a beam side wall 202 on both sides of the beam bottom wall 201 in the front-rear direction, and the support member is formed as a strut 203 connected between the two beam side walls 202 so that the groove
  • the beam body and the strut 203 enclose a support structure having a cross-shaped cross section to enhance the strength of the body cross member 200, and the regular outer contour of the trough beam body is advantageous for increasing the applicability of the body cross member 200, and facilitating the body cross member.
  • the 200 is mounted to other components in the body structure, such as the front side rail 100, the floor rail 110, the sill inner panel 500, and the like in the body structure described below.
  • a reinforcing structure such as a welded sheet metal or a CBS (composite reinforcing material) material may be disposed in the cavity surrounded by the groove beam body and the struts 203 to further enhance the impact of the body beam 200. The ability to reduce the deformation of the body cross member 200 in the collision.
  • the gusset 203 may be formed in any suitable structure, for example, as a wavy plate extending along the length direction of the groove-shaped beam body.
  • the gusset 203 may include a beam.
  • the beam side wall 202 avoids the impact of the one side beam side wall 202 being excessively bent and broken, causing damage to other components of the vehicle or the occupants of the vehicle.
  • the gusset 203 may have a zigzag structure in the left-right direction, and the figure-shaped structure includes a flat plate 204 and a slanting plate 205, and an end plate 206 extending from the swash plate 205 along the beam bottom wall 201, and the end plate 206 is attached and fixed.
  • the specific fixing manner of the beam bottom wall 201 may be welding, that is, the gusset 203 has a connection relationship with the beam bottom wall 201 and the side beam side walls 202, thereby ensuring the support structure of the mouth-shaped cross section. It is stable to avoid the separation of the strut 203 from the trough-like beam body due to the collision.
  • the strut 203 is provided with strut reinforcing ribs 207 extending in the front-rear direction to carry the front striking force, and to some extent, the strut 203 is bent and the side beams of the two side beams are extended. 202 and the force is transmitted between the side walls 202 of the two side beams.
  • the number and arrangement of the ribs 207 can be arbitrarily selected according to actual needs. The present disclosure does not specifically limit this, and the struts 207 can be supported.
  • the plate 203 is integrally formed, and may be connected to the stay 203 by welding or the like.
  • the support members may be plural and sequentially disposed along the groove-shaped beam body, thereby making it possible to reduce the difficulty in fabrication and installation of the support member, and to ensure that the body cross member 200 is along its length.
  • the strength is evenly distributed to improve the overall ability of the body cross member 200 to withstand impact.
  • the support member may be substantially the same size as the length direction of the beam body, that is, the support member supports the beam side wall 202 of the groove beam body, or according to the collision force position of the body beam 200 along the groove.
  • a plurality of supports are disposed at intervals in the longitudinal direction of the beam body.
  • the body cross member 200 provided by the present disclosure can be applied to a beam at any position in the vehicle body structure, such as a beam that overlaps the end of the stringer, that is, the stringer is cut off from the body beam 200.
  • the body cross member 200 may be a front cross member 210.
  • the front cross member 210 may be a body cross member fixed to a lower surface of the floor panel 300, which may be near the front.
  • the body cross member installed on the hoarding plate 320 may also be a body cross member installed near the front end of the sill inner panel 500, or a body cross member disposed in front of the front seat mounting cross member, or a body cross member installed near the lower end of the A-pillar inner panel 340.
  • the front cross member 210 can be positioned below the vehicle passenger compartment. Wherein, the distance of the front beam from the front end of the sill inner panel 500 may be 30 mm to 1000 mm, and when it is mounted near the front end of the door inner panel 500, the distance from the front end of the sill inner panel is 30 mm to 140 mm.
  • the front cross member may also be in the position of a front middle floor panel known in the art, which is approximately 1000 mm from the front end of the sill inner panel 500.
  • the distance of the front cross member from the front end of the sill inner panel 500 may be 60/80/120/200/300/450/600/700/850/950 mm or the like.
  • the front cross member 210 overlaps the rear end of the front side member 100, that is, the front cross member 210 overlaps the rear end portion of the front side member 100, that is, the front side member 100 is cut off from the front side. Beam 210.
  • the front cross member 210 can also be used as a battery pack for mounting a battery pack to mount the front cross member. Specifically, a battery tray fastening hole 701 can be opened on the vehicle body cross member 200 to mount the battery tray carrying the battery pack to the battery pack through the fastener. The battery pack is mounted on the front beam. It should be noted that the front cross member 210 can simultaneously satisfy any one or more of the above restrictions.
  • the front cross member 210 is mounted on the lower surface of the floor panel 300 while being mounted near the dash panel 320.
  • the front cross member 210 is the body cross member 200 fixed on the lower surface of the floor panel 300, the floor panel 300 is located behind the front hatch beam 220, and the front end of the front cross member 210 is The dash panel 320 is connected.
  • a connecting plate may be disposed between the stringer and the body cross member 200 to improve the connection stability of the stringer and the body cross member 200, and to disperse the force from the stringer to the body cross member 200.
  • the groove-shaped beam body of the body cross member 200 can be formed with connecting portions for connecting with the longitudinal beam and the connecting plate respectively in the left-right direction, and the outer surfaces of the corresponding connecting portions are respectively overlapped with the longitudinal beam and the connecting plate.
  • the connecting segments are the longitudinal beam connecting segments or the connecting plate connecting segments.
  • the position of the strut stiffener 207 and/or the swash plate 205 can be set corresponding to the connecting section, and when the vehicle collides in the front-rear direction, the body cross member 200 will withstand the collision force transmitted by the longitudinal beam, the connecting section and the longitudinal direction.
  • the overlapping position of the beam and the connecting plate is the most stressed.
  • the strut stiffener 207 and the inclined plate 205 can support the trough-shaped beam body and bear the impact impact, thereby avoiding deformation of the body cross member 200 at the connecting section, thereby improving The anti-collision capability of the body structure.
  • the body cross member 200 is formed as a front cross member 210 that is coupled to the rear ends of the left front side rail and the right front side rail, respectively, that is, the front side rail 100 is rearwardly closed.
  • the front cross member 210, and more particularly the rear end of the front side member 100 is only connected to the front cross member 210, that is, in the present embodiment, the rear end of the front side member is not connected to other members but only to the front cross member 210, in other
  • the rear end of the front side member 100 may be extended to the front side cross member 210 and may be extended to the side sill inner panel 500 and the like.
  • the connecting section includes a first connecting section and a second connecting section which are spaced apart and symmetrically disposed along the longitudinal direction of the groove beam body, and the first connecting section is used for connecting the corresponding front longitudinal beam 100
  • the two connecting segments are used for connecting the corresponding connecting plates, and the connecting plates can be disposed on the inner side and/or the outer side of the front longitudinal beam 100 according to actual needs.
  • the supporting plate 203 includes the first supporting plate 203A spaced along the length direction of the grooved beam body. And the second strut 203B (refer to FIG.
  • the inclined plate 205 at the outer end of the first strut 203A is aligned with the outer end of the first connecting section in the front-rear direction
  • the inclined plate 205 and the second connecting section of the outer end of the second strut 203B The outer ends are aligned in the front-rear direction.
  • alignment refers to at least partial overlap of projections of two components in a certain direction (such as the front-rear direction or the up-and-down direction in the present disclosure).
  • the connecting plates may be disposed inside the respective front side members 100, for example, as the inner connecting plates 410 described below, and accordingly, the first connecting portions and the second connecting portions respectively include adjacently disposed longitudinal beam connections And a connecting plate connecting section, the connecting plate connecting section is located inside the corresponding longitudinal beam connecting section for connecting the inner connecting plate 410, and the supporting plate 203 further comprises a connecting between the first supporting plate 203A and the second supporting plate 203B in sequence
  • the third strut 203C, the sloping plates 205 at the two ends of the third strut 203C are respectively aligned with the inner ends of the corresponding connecting plate connecting sections in the front-rear direction.
  • the bottom wall of the groove-shaped beam body is provided with a first mounting hole 701a.
  • the body beam 200 further includes a reinforcing plate 208 covering the bottom wall 201 of the beam.
  • the reinforcing plate 208 is opened and the first mounting hole 701a.
  • a coaxial second mounting hole 701b for increasing the strength of the body cross member 200 at the opening position, the first mounting hole 701a and the second mounting hole 701b may be used for mounting a vehicle component, such as a battery tray carrying a battery pack, ie
  • the first mounting hole 701a and the second mounting hole 701b are the above-described battery tray fastening holes 701.
  • the grooved beam body has an upward opening, and the top edge is folded outward to form a beam opening flange 200a extending along the length of the groove beam body, and thus, when the first aspect of the disclosure is applied in the body structure
  • the body cross member 200 can be welded to the lower surface of the floor panel 300 through the beam opening flange 200a, so that the body cross member 200 and the floor panel 300 together form a support structure having a closed cross section, and the floor is raised.
  • the strength of the panel is to reduce the collision deformation of the floor panel, and can prevent the floor panel 300 from being excessively folded upward when a frontal collision occurs, thereby preventing the deformed floor panel 300 from entering the passenger compartment to damage the living space of the occupant or the compressed passenger compartment.
  • the end of the beam sidewall 202 may also be folded inward or outward to form a beam end flange 200b, and the end of the beam bottom wall 201 extends outward to form a beam bottom wall overlapping edge 200c.
  • the body cross member 200 is allowed to overlap with other components of the vehicle body structure, such as floor rails, sill inner panels, etc., through the beam end flange 200b and the beam bottom wall lap edge 200c.
  • the present disclosure also provides a vehicle body structure, and some embodiments of the vehicle body structure provided by the second aspect of the present disclosure are illustrated in FIGS. 3 through 70.
  • the vehicle body structure may include a front side rail 100, a floor panel 300 and a front cross member 210, and the front end of the floor panel 300 is connected with a dash panel 320.
  • the passenger compartment of the vehicle is defined behind the dash panel 320 and Above the floor panel 300.
  • the front cross member 210 is fixed to the lower surface of the floor panel 300 and the rear end of the front side member 100 is coupled to the front cross member 210, that is, the front side member 100 is cut off from the front cross member 210 so as to form a rear end of the front side member 100 when the vehicle is bumped forward.
  • the support thereby dispersing the collision impact force transmitted by the front longitudinal beam 100, prevents the rear section of the front longitudinal beam 100 from invading the passenger compartment.
  • the fixed connection of the front cross member 210 to the lower surface of the floor panel 300 can function to reinforce the floor panel 300, thereby avoiding excessive deformation, folding, and the like of the floor panel 300 when the collision occurs, including front and side collisions.
  • the width of the front side member 100 in the left-right direction is greatest at the junction with the front cross member 210, that is, the front side member 100 may be gradually widened toward the front cross member, and the front cross member 210 can be made through a larger joint width.
  • the front side member 100 can be overlapped more stably.
  • the front side member 100 includes left front longitudinal members and right front longitudinal members spaced apart in the left-right direction, and connection points between the left front longitudinal beam and the right front longitudinal beam and the front cross member 210.
  • the center point of the front beam 210 in the left-right direction the center point is symmetrically disposed, and is respectively located between the center point and the end of the front beam 210 near the golden point of the end portion, so that one front beam can better carry two
  • the rear longitudinal beam transmits the force backwards, which makes the collision safety of the body structure better.
  • the projection in the Z direction of the front end and the rear end of the front side member 100 is shifted by a distance of not more than 80 mm in the Y direction. That is, the projections of the rear end and the front end of the front side member are not excessively deviated in the left-right direction, thereby ensuring good straightness in the left-right direction of the front side member to ensure the strength of the front side member.
  • the front cross member 210 is formed as an upwardly open groove-like structure, and includes a beam bottom wall 201 and a beam side wall 202 at the opening of the groove-like structure of the front beam 210.
  • the upper edge is folded outward to form a beam opening flange 200a extending in the left-right direction, and the front beam 210 is connected to the lower surface of the floor panel 300 through the beam opening flange 200a, so that the floor panel 300 also constitutes a part of the body structure transmission path.
  • the front cross member 210 and the floor panel 300 enclose a support structure having a cross-shaped cross section, thereby enhancing the anti-collision capability of the vehicle body structure and contributing to the reduction of the floor panel. 300 collision deformation.
  • the end of the beam side wall 202 may also be folded inward or outward to form a beam end flange 200b extending in the up and down direction, and the end of the bottom of the beam extends outwardly to form a bridging edge of the beam bottom wall extending in the front-rear direction.
  • the front cross member 210 can be overlapped with other components of the vehicle body structure, such as the floor rail 110, the sill inner panel 500, etc., as discussed in some embodiments below, through the beam end flange 200b and the beam bottom wall lap edge 200c. .
  • the front side member 100 can be coupled to the front cross member 210 by any suitable means.
  • the front side member 100 can be respectively associated with the bottom wall of the beam. 201.
  • the beam sidewall 202 and the beam opening flange 200a are overlapped.
  • the rear end of the front side member 100 may also be formed as an upwardly open groove-like structure, and includes a longitudinal beam bottom wall 103 and a longitudinal beam side wall 104, and an upper edge at the opening of the groove-like structure at the rear end of the front side member 100 Folding outward to form a first longitudinal beam flange 100a extending in the front-rear direction, the end of the longitudinal beam side wall 104 is folded outward to form a second longitudinal beam flange 100b extending in the up-and-down direction, the vertical beam bottom wall
  • the ends of the 103 extend outwardly to form a longitudinal beam bottom wall lap edge 100c extending in the left-right direction, wherein the first longitudinal beam flange 100a overlaps the beam opening flange 200a, and the second longitudinal beam flange 100b and the beam
  • the side walls 202 are overlapped, and the side wall lap edge 100c of the stringer bridges the beam bottom wall 201.
  • the front side member 100 includes a left front side rail and a right front side rail which are spaced apart in the left-right direction, and the front side rail 100 includes an inner recess 105 for escaping the wheel along the wheel to accommodate the vehicle body.
  • the overall structure in order to avoid bending of the front side member 100 at the inner recess 105 when the front side is hit, invading the dash panel 320 or squeezing other elements located at the front of the vehicle, the inner wall of the front side member 100 corresponds to the inner recess 105 A reinforcing plate is attached to the position.
  • the front front cross member and the right front side rail may also be connected with a front cabin cross member 220.
  • the front cabin cross member 220 is disposed in front of the dash panel 320 and may be coupled to the dash panel 320 for stopping the front part of the vehicle. It is moved rearward and can also function to reinforce the dash panel 320 so that the dash panel 320 is less susceptible to collisional deformation. Additionally, in some embodiments, the front bulkheads 220 can also be spaced apart in front of the dash panel 320 without being connected to the dash panel.
  • the front cabin beam 220, the left front longitudinal beam, the front cross member 210 and the right front longitudinal beam can enclose a closed-loop frame, so that the strength of the body structure of the portion is higher, and can withstand a large initial collision load and a retreat of the front part of the vehicle. Impact, and also the use of the front cabin beam 220 and the front beam 210 to transmit force, reduce vehicle front deformation, protect the occupant and vehicle components, such as battery packs, disposed behind the front beam 210.
  • the front bulkhead 220 can also be coupled to the inner recess 105 of the front side member 100 to form support for the front side member 100 to prevent the front side member 100 from being bent.
  • the front bulkhead 220 can be attached to the left front rail and the right front rail in any other suitable manner. Specifically, in order to ensure a stable connection relationship between the front bulkhead 220 and the front longitudinal beam 100, as shown in FIG. 7, the position of the front longitudinal beam 100 corresponding to the front passenger rail 220 is formed to extend in the front-rear direction of the vehicle and open upward.
  • the trough-like structure includes a first longitudinal beam bottom wall 101 and a first longitudinal beam side wall 102, and an upper edge of the opening of the groove-like structure of the front longitudinal beam 100 is folded outward to form a first longitudinal direction extending in the front-rear direction
  • the beam side flange 102a, the front cabin beam 220 is formed as an upwardly open groove-like structure, and the end of the groove-like structure of the front cabin beam 220 is at least connected to the first longitudinal beam bottom wall 101 so that the front cabin beam 220 can better stop the movement of the front components of the vehicle.
  • the front bulkhead 220 may also be attached to the left front rail and the right front rail in any other suitable manner.
  • the edge at the opening of the groove-like structure of the front bulkhead 220 is folded outward (ie, folded forward or backward) to form a first flange 220a extending in the left-right direction, the end being folded outward ( That is, folded forward or backward to form a second flange 220b extending in the up and down direction, the end portion is further formed with a third flange 220c extending in the front-rear direction, wherein the first flange 220a and the first longitudinal beam The side flange 102a overlaps, the second flange 220b overlaps the first longitudinal beam side wall 102, and the third flange 220c overlaps the longitudinal beam bottom wall 103.
  • each flange and front longitudinal beam The connection of the 100 may be lapped and welded to increase the joint strength of the front bulkhead 220 and the front longitudinal beam 100, thereby ensuring that the front bulkhead 220 is better able to withstand the impact of the vehicle's powerplant.
  • the front cabin beam 220 may be formed in a segmented structure for ease of fabrication.
  • the front cabin beam 220 may include a beam body and an end connection section connected to both ends of the beam body, and the slot width of the front cabin beam 220 has an opening width along the beam.
  • the body-to-end connection section is gradually enlarged to facilitate the processing of the flanges that overlap the front side member 100.
  • the front bulkhead 220 can also be formed as a unitary structure.
  • the vehicle body structure may further include an inner connecting plate 410 and an outer connecting plate 420 or one of them to function to reinforce and correct the rear portion of the front side member 100.
  • the inner connecting plate 410 is coupled to the inner side of the front side rail 100 and is located between the front bulkhead 220 and the front cross member 210.
  • the inner connecting plate 410 may also be coupled to at least one of the front bulkhead 220 and the front cross member 210. In this way, the inner connecting plate 410 can also assist in dispersing the collision impact force, avoiding excessive bending of the rear section of the front side frame 100, causing the dash panel 320 to deform and squeezing the passenger compartment space.
  • the inner connecting plate 410 may include an inner connecting bottom wall 411 having a first connecting inner connecting plate first edge, an inner connecting plate second edge, and an inner connecting plate third.
  • the edge and the fourth edge of the inner connecting plate, the first edge of the inner connecting plate extends along the front beam 210 and overlaps the front beam 210, and the second edge of the inner connecting plate extends along the front longitudinal beam 100 and overlaps the front longitudinal beam 100 Since the front cabin beam 220 is located above the front beam 210 in the up and down direction, the third inner edge of the inner connecting plate is connected with the first inner connecting side wall 412 extending upwardly to accommodate the front cabin beam 220 and the front beam 210.
  • the first inner connecting side wall 412 is overlapped with the front cabin beam 220, and the fourth inner edge of the inner connecting plate is connected with an upwardly extending second inner connecting side wall 413, the second inner connecting side wall 413 and the front beam 210 overlap.
  • the first edge of the inner connecting plate extends outward to form an inner connecting plate first overlapping edge 410a extending in the left-right direction, and the upper edge of the second inner connecting side wall 413 is folded outward to form an edge.
  • a first inner connecting side wall first flange 410b extending in the front-rear direction, and an end of the second inner connecting side wall 413 adjacent to the first edge of the inner connecting plate is folded outward to form a second inner connecting side wall extending in the up-and-down direction
  • the second flange 410c among them:
  • the first connecting edge 410a of the inner connecting plate overlaps with the beam bottom wall 201, the first inner connecting side wall first flange 410b overlaps the beam opening flange 200a, and the second inner connecting side wall second flange 410c and the beam
  • the side walls 202 are overlapped;
  • the second edge of the inner connecting plate extends outward to form an inner connecting plate second overlapping edge 410d, and the inner connecting plate second overlapping edge 410d overlaps the longitudinal beam bottom wall 103;
  • the upper edge of the first inner connecting side wall 412 is outwardly folded to form a first inner connecting side wall flange 410e, and the first inner connecting side wall flange 410e is overlapped with the grooved wall of the front bulkhead 220.
  • the inner connecting plate 410 can also be provided with a reinforcing structure by welding a sheet metal or the like, thereby further strengthening the strength of the rear portion of the front side member 100, and avoiding the rear portion of the front side member 100 from invading the dash panel 320 due to collision and bending.
  • the outer connecting plate 420 is disposed outside the front side member 100, and can be coupled to the front side member 100 and the front cross member 210, respectively, to function as a reinforcing front side member 100, and is also applicable.
  • the force of the front longitudinal beam 100 is small, and the effect of crushing and absorbing energy is poor, and the wheel is subjected to impact and backward pressure.
  • the vehicle A-pillar and the dash panel 320 easily cause deformation of the vehicle body structure and press the passenger compartment.
  • the outer connecting plate 420 Since the outer connecting plate 420 is located outside the front side member 100 and overlaps the front side member 100 and the front cross member 210, respectively, the outer connecting plate 420 can withstand the wheel impact and the front side member 100 and the front cross member in a small bias. 210, further, the outer connecting plate 420 can also extend outward to overlap the sill inner panel 500, so that the force of the small offset collision can also be transmitted to the rear of the vehicle through the sill inner panel 500 to reduce the collision. The deformation of the vehicle A-pillar and the dash panel 320 caused by the impact.
  • the collision impact force can also disperse the force transmission through the outer connecting plate 420, and the rear side frame 100 is prevented from being bent and deformed into the vehicle dash panel 320.
  • the outer connecting plate 420 may include an outer connecting bottom wall 421 formed in a quadrangular shape, and having a first edge of the outer connecting plate sequentially connected end to end, and a second edge of the outer connecting plate a third edge of the outer connecting plate and a fourth edge of the outer connecting plate, wherein the first edge of the outer connecting plate extends along the front beam 210 and overlaps the front beam 210, and the second edge of the outer connecting plate extends along the front longitudinal beam 100 Attached to the front side member 100, the outer edge of the outer connecting plate is connected with an upwardly extending outer connecting side wall 422, and the outer connecting side wall 422 is also overlapped with the front side frame 100, and the fourth edge of the outer connecting plate
  • the sill inner panel 500 extends and overlaps the sill inner panel 500.
  • the first edge of the outer connecting plate extends outward to form an outer connecting plate first overlapping edge 420a extending in the left-right direction, and the first connecting edge 420a of the outer connecting plate overlaps with the beam bottom wall 201;
  • the outer connecting plate The second edge extends outward to form a second lap 420b of the outer connecting plate extending in the front-rear direction, and the upper edge of the outer connecting side wall 422 is folded outward to form the outer connecting side wall first flange 420c, and the outer connecting side
  • the end of the wall 422 near the second edge of the outer connecting plate is folded outward to form an outer connecting side wall second flange 420d extending in the up and down direction, wherein the outer connecting plate second overlapping side 420b and the longitudinal beam bottom wall 103
  • the first connecting flange 420c overlaps the first longitudinal beam flange 100a;
  • the outer connecting sidewall second flange 420d overlaps the longitudinal beam sidewall 104;
  • the outer connecting plate has a fourth edge
  • the outer connecting plate 420 is formed substantially in a trapezoidal structure, wherein the length of the second edge of the outer connecting plate is greater than the length of the fourth edge of the outer connecting plate, and the outer connecting plate is third.
  • the edge transitions between the second edge of the outer web and the fourth edge of the outer web to avoid the wheel. Therefore, in the front collision, the outer connecting plate 420 can disperse the collision impact force concentrated on the rear portion of the front side frame 100 to the rear of the sill inner panel 500 and the vehicle body structure to reduce the collision of the rear section of the front side member 100.
  • the crushing strength, and the trapezoidal structure of the outer connecting plate 420 allows the front side member 100 to have better lateral stability and is not easily bent.
  • the outer connecting plate 420 is further provided with a reinforcing structure for carrying the force in the front-rear direction.
  • the reinforcing structure may be formed as a reinforcing rib extending from the first edge of the outer connecting plate toward the third edge of the outer connecting plate, and the projection of the wheel on the outer connecting plate 420 in the front-rear direction at least partially coincides with the end of the reinforcing rib,
  • the reinforcing structure may alternatively be formed as sheet metal or filled CBS (composite reinforcing material).
  • the body structure composed of the front side rail 100, the inner connecting plate 410 and the outer connecting plate 420 may have various deformations, which may be replaced by, for example, strengthening the material thickness of the rear section of the front side frame 100. Strengthen the rear section of the front longitudinal beam 100 and transmit the force.
  • the first modification may be referred to FIG. 11 to FIG. 13 , wherein the vehicle body structure includes a front side member 100 and an outer connecting plate 420 , and the inner side of the front side member 100 is not supported by the inner connecting plate 410 but in front.
  • a first connecting beam 810 and a second connecting beam 820 are formed on the closed-loop frame surrounded by the cabin beam 220, the left front longitudinal beam, the front cross member 210 and the right front longitudinal beam, to form an angular connection force inside the closed-loop frame.
  • the interior of the closed loop frame can be divided into a plurality of sub-frames to increase the strength of the closed loop frame and form support for the closed loop frame.
  • the first connecting beam 810 and the second connecting beam 820 may be formed as an X-shaped connecting beam, and the four ends of the X-shaped connecting beam respectively overlap the corners of the closed-loop frame. Connecting to strengthen the strength of the corner position of the closed-loop frame; or as shown in FIG.
  • the first connecting beam 810 and the second connecting beam 820 are formed as a cross-shaped connecting beam, wherein the first connecting beam 810 extends in the front-rear direction and two The ends are respectively overlapped with the front cabin beam 220 and the front beam 210, and the second connecting beam 820 extends left and right and the two ends are respectively overlapped with the left front longitudinal beam and the right front longitudinal beam to be able to increase the force transmission path when the vehicle collides; or
  • the beam 800 is formed as a V-shaped connecting beam, wherein the front ends of the first connecting beam 810 and the second connecting beam 820 respectively overlap the connection position of the front cabin beam 220 and the front longitudinal beam 100, and the rear ends overlap and overlap the front beam.
  • the middle section of 210 is such that the first connecting beam 810 and the second connecting beam 820 respectively form a herringbone support structure with the corresponding outer connecting plate 420.
  • the first connecting beam 810 and the second connecting beam 820 may have various connection forms.
  • the first connecting beam 810 and the second connecting beam 820 may be formed in a split structure, as shown in FIG. 12 and FIG.
  • the first connecting beam 810 is provided with a mounting slot 811 intersecting the extending direction of the first connecting beam 810, and the second connecting beam 820 is overlapped with the first connecting beam 810 through the mounting slot 811; or the first connecting beam 810 and the first connecting beam 810
  • the two connecting beams 820 are integrally formed (refer to FIG. 11) to simplify the assembly process.
  • the second modification is shown in FIG. 14 and FIG. 15, wherein the vehicle body structure includes a front side member 100 and an outer connecting plate 420, and the front front middle beam and the right front side member are further connected with a front cabin middle beam 270, the front cabin
  • the middle cross member 270 is spaced between the front hatch beam 220 and the front cross member 210 to increase the support of the rear section of the front side member 100, in order to increase the collision force transmission path at the front of the vehicle, and further improve the front cabin cross member 220, the front left
  • the strength of the closed-loop frame surrounded by the longitudinal beam, the front beam 210 and the right front longitudinal beam, and two connecting beams 800 are also connected between the front cabin beam 220 and the front beam 210, and the two connecting beams 800 respectively intersect the front cabin middle beam 270 So that the impact impact force concentrated on the rear section of the front side member 100 can be dispersed on the front cabin beam 220, the front cabin middle beam 270, the connecting beam 800 and the front beam 210 to avoid the rear section
  • the two connecting beams 800 may be disposed at an angle.
  • the corners formed by the two connecting beams 800 are triangular with the front cabin beam 220 or the front beam 210 to pass through a triangle.
  • the stability forms a triangular reinforcing structure.
  • the two connecting beams 800 may also extend in the front-rear direction and be arranged in parallel.
  • the connecting beam 800 may have any suitable structure.
  • the connecting beam 800 forms an upwardly open U-shaped groove structure, and includes a bottom wall 801 and two side walls 802, and a U-shaped groove structure.
  • the two ends of the side wall 802 are respectively folded outward to form a connecting beam flange 800a extending upward and downward, and the end of the bottom wall extends outward to form a connecting beam overlapping edge 800b in the left-right direction, wherein the bottom wall 801 and the front
  • the mid-beam 270 is overlapped, the connecting beam flange 800a at one end and the connecting edge 800b of the connecting beam are overlapped with the groove wall of the groove structure of the front cabin beam, and the connecting beam flange 800a at the other end is overlapped with the beam side wall 202
  • the connecting beam overlapping edge 800b overlaps the beam bottom wall 201;
  • the front cabin middle beam 270 is formed as an upwardly open groove-like structure, and the upper edge of the opening of the groove-shaped structure of the
  • the front side member 100 is bent inward from the joint position of the front hatch beam to form an inner curved portion which extends rearward to the front cross member 210 in order to form the front side rail.
  • the support of the rear section of the 100, the outer side of the inner curved section may also be provided with a connecting beam 800, the connecting beam 800 is disposed between the front longitudinal beam 100 and the front cross member 210, and is arranged in a herringbone shape with the inner curved section to form the inner side
  • the support of the curved section serves to strengthen the rear section of the front longitudinal beam.
  • the front side member 100 is bent outward from the joint position of the front hatch member 220 to form an outer bent portion, and the outer bent portion extends rearward to the front cross member 210.
  • an inner reinforcement member may be disposed in the closed-loop frame surrounded by the front cabin beam 220, the outer curved portion of the front longitudinal beam 100 and the front cross member 210 to enhance the strength of the closed-loop frame.
  • the inner reinforcement member is connected at least Between any of the front longitudinal beam 100, the front cross member 210 and the front cabin cross member 220.
  • the inner reinforcement member may be formed as a connecting beam 800 disposed inside the outer curved portion, and the connecting beam 800 is disposed between the front longitudinal beam 100 and the front cross member 210, and the outer curved portion
  • the segments are arranged in a herringbone form.
  • the connecting beam 800 is formed in a figure-up structure that is open upward, and the upper edge at the opening of the figure-shaped structure is folded outward to form a first extending along the length direction of the connecting beam 800.
  • the two ends of the figure-shaped structure are respectively folded outward to form a second connecting beam flange 800b, wherein the second connecting beam flange 800b at one end extends in the up-and-down direction and the left-right direction respectively to the front beam 210 is overlapped, and the second connecting beam flange 800b at the other end extends in the direction of the up-and-down direction and the outer curved section, respectively, and overlaps the outer curved section.
  • the rear end of the outer curved section may only overlap the front cross member 210, with reference to the embodiment shown in FIG. Alternatively, as shown in FIG. 18 to FIG. 21, the outer curved portion may also be bent outwardly and overlapped with the sill inner panel 500. In this embodiment, it can be understood that the front longitudinal beam 100 is integrated with the outer connecting plate 420.
  • the outer curved section is formed as an upwardly open first groove-like structure, and includes a longitudinal beam inner side wall 104A and a longitudinal beam outer side wall 104B and The longitudinal beam bottom wall 103 connecting the longitudinal beam inner side wall 104A and the longitudinal beam outer side wall 104B, the end portions of the longitudinal beam bottom wall 103 are respectively formed with a longitudinal beam bottom wall first overlapping side 100c extending in the left-right direction and in the front-rear direction
  • the second lap joint 100d of the extended girders bottom wall wherein the first lap edge 100c of the girders bottom wall overlaps the beam bottom wall 201, and the second lap edge 100d of the girders bottom wall overlaps the sill inner panel 500
  • the stringer outer sidewall 104B is bent outwardly to overlap the end of the sill inner panel 500.
  • the outer curved sections may also be supported by the front cabin middle cross member 270.
  • the front cabin middle cross member 270 is formed as an upwardly open trough-like structure, and the front cabin middle cross member 270 The upper edge of the opening of the groove-like structure is folded outward to form a first flange 270a of the front cabin beam extending in the left-right direction, and the ends are respectively formed with a second flange 270b of the front cabin middle beam extending in the up-and-down direction And a third flange 270c of the front cabin middle beam extending along the outer curved section, a first flange 270a of the front cabin middle beam, a second flange 270b of the front cabin middle beam, and a third flange 270c of the front cabin middle beam respectively Segment overlap.
  • a connecting beam 800 extending in the front-rear direction may be connected between the front cabin beam 220 and the front cabin middle beam 270, and the front end of the connecting beam 800 overlaps with the front cabin beam 220, and the rear end is The front cross member beam 270 is overlapped.
  • the connecting beam 800 is formed as an upwardly open figure-shaped structure, and the upper edge of the opening of the figure-shaped structure is folded outward to form a first connecting beam flange 800a extending in the front-rear direction.
  • the ends of the figures are folded to form second connecting beam flanges 800b extending in the up and down direction and the left and right directions, respectively, and the connecting beam 800 is respectively passed through the first connecting beam flange 800a and the second connecting beam flange 800b respectively It is overlapped with the front cabin beam 220 and the front cabin middle beam 270.
  • the body structure may also include a front cabin front cross member 280 to increase the force transmission path and enhance the strength of the front portion of the vehicle, thereby reducing collision deformation of the vehicle body and protecting the safety of the occupant and the battery pack.
  • the front cabin front cross member 280 is coupled to the left front side rail and the right front side rail and spaced apart in front of the front cabin cross member 220, the front cabin cross member 220 and the front cabin front cross member 280
  • a support beam 830 is also connected, and the support beam 830 is two and the two support beams 830 are angularly disposed and form a triangular reinforcing structure with the front cabin front cross member 280 or the front cabin cross member 220; or the support beam 830 is formed as an X
  • the beam has four ends that overlap the four corners of the closed-loop frame surrounded by the front front cross member 280, the left front side member, the front hatch member 220, and the right front side member, respectively.
  • the vehicle body structure may further include a sill inner panel 500 and/or a floor rail 110, and the front cross member 210 may be longitudinally associated with the sill inner panel 500 and the floor panel
  • the front cross member 210 may be longitudinally associated with the sill inner panel 500 and the floor panel
  • the sill inner panel 500 is two spaced apart in the left-right direction, and the sill inner panel 500 is respectively located outside the corresponding floor panel 300.
  • both ends of the front cross member 210 are respectively connected to the sill inner panel 500.
  • the sill inner panel 500 is formed as a U-shaped groove structure with an opening facing outward and includes a relative
  • the inner panel top wall 501 and the inner panel bottom wall 502 are disposed, and the inner panel side wall 503 is connected between the inner panel top wall 501 and the inner panel bottom wall 502, and the end of the beam side wall 202 of the front beam 210 is inward.
  • the end of the beam bottom wall 201 extends outwardly to form a beam bottom wall lap edge 200c, wherein the beam end flange 200b overlaps the inner panel sidewall 503, the beam bottom
  • the wall lap joint 200c overlaps with the inner panel bottom wall 502 to ensure that the connection between the front cross member 210 and the sill inner panel 500 is not easily broken, thereby better dispersing the impact impact force and avoiding large deformation of the vehicle body structure.
  • the body structure may further include a floor rail 110 located inside the sill inner panel 500.
  • the floor rail 110 is fixedly coupled to the lower surface of the floor panel 300 and overlaps the sill inner panel 500, thereby
  • the floor panel 300 is respectively attached with a body beam in the left-right direction and the front-rear direction of the vehicle to function to reinforce the floor panel 300, and to prevent the deformation of the floor panel 300 in collisions (including front and side collisions).
  • the front ends of the floor rails 110 are respectively overlapped with the beam bottom wall 201, the beam side wall 202, and the beam opening flange 200a.
  • an end portion of the floor rail 110 is formed as an upwardly open groove-like structure and includes a floor rail inner side wall 112A and a floor rail outer side wall 112B and connects the floor rail inner side wall 112A and the floor rail outer side
  • the floor longitudinal beam bottom wall 111 of the wall 112B, the upper edge of the opening of the groove-like structure of the floor longitudinal beam 110 is outwardly folded to respectively form the floor longitudinal beam inner side top top flange 110a and the outside of the floor longitudinal beam in the front-rear direction
  • the wall flange 110b, the floor stringer 110 is fixed to the lower surface of the floor panel 300 by the floor rail inner side top flange 110a, and the end of the floor rail inner side wall 112A is folded inward to form a floor extending in the up and down direction.
  • the longitudinal inner wall end flange portion 110c, the end portion of the floor longitudinal beam bottom wall 111 extends outwardly to form a floor longitudinal beam bottom wall overlapping edge 110d extending in the left-right direction, wherein the floor longitudinal beam inner side wall top flange 110a
  • the floor longitudinal beam inner wall end flange 110c overlaps the beam side wall 202, the floor stringer bottom wall overlapping edge 110d overlaps the beam bottom wall 201, and the floor stringer 110 is further overlapped.
  • any one of the front cross member 210, the floor rail 110, and the rocker inner panel 500 has a connection relationship.
  • the impact impact force of the front side member 100 is transmitted to the front.
  • the beam 210 is transmitted from the front beam 210 to the floor rail 110 and the sill inner panel 500, respectively, and the floor rail 110 is overlapped with the sill inner panel 500.
  • a reinforcing beam is formed at the intersection of the front cross member 210 and the floor longitudinal beam 110 to form a triangular reinforcing structure, that is, the reinforcing beam and the front cross member 210.
  • the corners formed with the floor rails 110 are collectively triangular, so that the body structure has a higher impact resistance.
  • the reinforcing beam may also be an L-shaped beam to form a substantially rectangular frame structure together with the corner formed by the front beam 210 and the floor rail 110 to increase the strength of the corner connection of the body structure and increase the transmission. Force path.
  • connection method provided by the embodiment also has the advantage that the end of the floor rail 110 can abut the front cross member 210 when the vehicle is bumped forward, and the front cross member 210 is prevented from moving backward to press other components of the vehicle body structure or to drive the floor panel. 300 intruded passenger cabin.
  • the front cross member 210 can stop the sill inner panel 500, preventing the sill inner panel 500 from being pressed inwardly to move the floor rail 110 toward the inner side of the vehicle body structure to protect the inside of the floor rail 110.
  • Other components and passenger compartments enhance the collision safety of the vehicle.
  • connection manner of the three members can improve the strength of the corner joint of the vehicle body structure, and ensure that the vehicle body structure is less likely to collide and deform.
  • the anti-collision capability of the vehicle can improve the strength of the corner joint of the vehicle body structure, and ensure that the vehicle body structure is less likely to collide and deform.
  • the front cross member 210, the floor rail 110 and the sill inner panel 500 may also be connected by an intermediate connecting plate 440 to reduce the three Connection difficulty.
  • the intermediate connecting plate 440 includes a middle connecting bottom wall 441 formed substantially in a rectangular shape, and the intermediate connecting bottom wall 441 has a first edge, a second edge, a third edge, and a fourth edge which are connected end to end, the first edge, the first edge
  • An upwardly extending first connecting sidewall 442, a second connecting sidewall 443 and a fourth connecting sidewall 444 are respectively connected to the two edges and the fourth edge, and the upper edges of the connecting sidewalls are respectively folded outward to form a front and rear direction.
  • An extended first side wall flange 442a, a second side wall flange 443a extending in the left-right direction, and a fourth side wall flange 444a extending in the left-right direction, and the intermediate connecting plate 440 is connected to the floor panel 300 through the side wall flange Thereby, the intermediate connecting plate 440 can be better fixed on the lower surface of the floor panel 300.
  • the beam opening flange 200a of the front beam 210 is overlapped with the first side wall flange 442a, the beam end flange 200b is overlapped with the first connecting side wall 442, and the beam bottom wall overlapping edge 200c and the intermediate connection bottom
  • the wall 441 is overlapped; the floor side member inner side top flange 110a of the floor stringer 110 is overlapped with the second side wall flange 443a, and the floor stringer inner side wall end flange 110c is overlapped with the second connecting side wall 443.
  • the floor sill bottom wall lap edge 110d overlaps the intermediate connection bottom wall 441; the second connecting side wall 443 and the fourth connecting side wall 444 are respectively folded outwardly near the end of the third edge to form an upper and lower direction extending.
  • the third edge is formed with an intermediate connection bottom wall overlapping edge 441a extending in the front-rear direction, wherein the second side wall end flange The 444b and the fourth side wall end flange 444b overlap the inner panel side wall 503 of the sill inner panel 500, respectively, and the intermediate connection bottom wall lap edge 441a overlaps the inner panel bottom wall 502.
  • the collision impact force received by the front side member 100 is transmitted to the front cross member 210, and then transmitted from the front cross member 210 to the intermediate connecting plate 440, and dispersed by the intermediate connecting plate 440 to the floor longitudinal direction. Beam 110 and sill inner panel 500.
  • both ends of the front cross member 210 are overlapped with the floor rail 110, and the sill inner panel 500 is connected to the outside of the floor rail 110 and
  • the front cross members 210 are spaced apart, that is, the front cross member 210 and the sill inner panel 500 are attached to both sides of the floor rail 110, respectively.
  • the beam opening flange 200a overlaps the floor side wall inner side wall top flange 110a
  • the beam end flange 200b overlaps the floor stringer inner side wall 112A
  • the beam bottom wall overlaps the side 200c and the floor stringer bottom wall 111 lap joint
  • the floor rail outer side flange 110b overlaps the inner panel bottom wall 502.
  • the collision impact force received by the front side member 100 is transmitted to the front cross member 210, and is sequentially transmitted to the floor rail 110 and the sill inner panel 500, and the floor rail 110 is further
  • a finite projection 114 (Fig. 34) can be formed for the rearward movement of the beam 210 before the stop.
  • the overlapping manner of the floor rail 110 and the front cross member 210 may be formed such that the front end of one floor rail 110 overlaps the front cross member 210, and one end of the front cross member 210 is connected to another floor.
  • the longitudinal beam 110, or the front cross member 210, is connected to the two floor longitudinal beams 110, and these modifications are intended to fall within the scope of the present disclosure.
  • FIGS. 35 to 37 wherein the front cross member 210 is not in direct contact with the floor rail 110 and the sill inner panel 500, specifically, the front cross member 210 and the floor longitudinal There is a first gap G1 between the beams 110, which is configured such that one of the front beams 210 can contact the other after the collision deformation. Therefore, when the front side or the side touches, one of the front cross member 210 and the floor longitudinal beam 110 is in contact with the other due to the collision deformation, thereby dispersing the collision energy by the contact force, and avoiding one of the large impacts to drive the floor panel.
  • the 300 is greatly deformed, invading the passenger compartment or squeezing other components located below the floor panel 300, such as a battery pack.
  • the first gap G1 may have a size of 2 cm to 30 cm so that the vehicle body structure can have a reasonable amount of collapse when colliding.
  • Both ends of the front cross member 210 and the floor rail 110 may be respectively provided with reinforcing structures for withstanding impact impact.
  • the end portion of the floor stringer 110 is connected with an end connecting plate 113 which can function as a reinforcing floor longitudinal beam 110 to reduce longitudinal beam deformation during collision, and can also be used.
  • the sill inner panel 500 is overlapped to enable the sill inner panel 500 to disperse the impact impact on the floor rail 110.
  • the end portion of the sill inner panel 500 and the front cross member 210 further has a second gap G2 in the left-right direction, and the second gap G2 is configured such that the sill inner panel 500 is deformed inward in the left-right direction (for example, the vehicle side When touched, the front beam 210 can be contacted to transmit a collision impact to the rear of the vehicle structure.
  • the second gap G2 may have a size of 2 cm to 53 cm.
  • the first gap G1 may be formed in various ways.
  • the end of the front cross member 210 is located directly in front of the end of the floor rail 110 in the front-rear direction and forms the first gap G1.
  • the front cross member 210 is moved backward by the impact impact and comes into contact with the end of the floor rail 110, thereby transmitting the impact impact force to the floor rail 110 and the sill inner panel 500, thereby reducing the front
  • the beam 210 is deformed and the stop front beam 210 continues to move rearward to protect the passenger compartment and battery pack.
  • the end of the front beam 210 is located inside the floor rail 110 in the left-right direction and forms the first gap G1, and the first gap G1 coincides with the second gap G2.
  • the sill inner panel 500 can be driven to collide with the floor rail 110 to move toward the inner side of the vehicle in the left-right direction and contact the end of the front cross member 210, thereby impacting the impact force. It is transmitted to the front cross member 210 to reduce the deformation of the rocker inner panel 500 and the floor rail 110, and also to stop the floor rail 110 from continuing to move inward to protect the battery pack.
  • a strike member 211 is extended rearwardly on the front cross member 210.
  • the striker member 211 is located inside the floor rail 110 in the left-right direction, and the first gap G1 is formed in the collision.
  • the second gap G2 is formed between the end of the front cross member 210 and the sill inner panel 500.
  • the collision member 211 may have any suitable structure.
  • the collision member 211 is formed as a collision reinforcing plate, and the collision reinforcing plate is formed into a cap-like structure including a convex cap plate. 211A and the cap 211B surrounding the cap plate 211A, so that the striker 211 has at least two mutually perpendicular cross-sections, thereby increasing the strength of the striker 211, so that the striker 211 can withstand a large impact, preferably
  • the floor rail 110 is stopped, and the striker 211 is overlapped on the front cross member 210 by the brim 211B.
  • the collision impact force is mainly concentrated on the rear end of the front side member 100 and is dispersed by the front cross member 210 to the vehicle body structure on both sides of the vehicle body structure, such as the sill inner panel. 500, floor stringers 110, etc.
  • the impact force may also be transmitted from the rear end of the front side member 100 to the front cabin beam 220 and dispersed through the front cabin beam 220 to the rear of the vehicle body structure.
  • the front cabin beam 220 is installed at the rear end of the left front longitudinal beam and the right front longitudinal beam, that is, the front longitudinal beam 100 is cut off from the front cabin beam 220, and a force transmission structure is connected between the front cabin beam 220 and the front beam 210 to pass
  • the force transmitting structure transmits a collision impact force from the front side member 100 to the carrier frame 700.
  • the force transmitting structure may be formed as a connecting plate 430.
  • the front end of the connecting plate 430 is overlapped on the front cabin beam 220, and the rear end is overlapped on the front beam 210 to pass the collision force through the connecting plate 430.
  • the deck beam 220 is transmitted to the front cross member 210, and the top surface (i.e., the highest height surface) of the web 430 can also be attached to the floor panel 300 to increase the joint strength of the force transmitting structure.
  • the two ends of the front side beam 220 are provided with connecting portions respectively overlapping the front side frame 100 and the connecting plate 430, and the specific structure of the connecting portion and the front longitudinal
  • the connection relationship between the beam 100 and the connecting plate 430 can be selected according to actual needs.
  • the connecting portion is formed as an upwardly open groove-like structure and includes a connecting bottom wall 221 and a front side wall 222 and a rear side wall 223 which are oppositely disposed in the front-rear direction, and the opening of the groove-like structure of the connecting portion
  • the edges are folded outward to form a front side wall flange 222a and a rear side wall flange 223a extending in the left-right direction, respectively, and the rear ends of the front side members 100 are respectively overlapped on the front side wall 222, the front side wall flange 222a, and Connected to the bottom wall 221, the connecting plates 430 are respectively overlapped on the rear side wall 223, the rear side wall flange 223a and the connecting bottom wall 221.
  • the rear end of the front side member 100 is formed as an upwardly open groove-like structure and includes a longitudinal beam inner side wall 104A, a longitudinal beam bottom wall 103, and a longitudinal beam outer side wall 104B, and a longitudinal beam inner side wall 104A.
  • the upper edge is folded outward to form a first longitudinal beam inner side wall flange 104a extending in the front-rear direction, and an end portion of the longitudinal beam inner side wall 104A is folded outward to form a second longitudinal beam inner side wall extending in the up and down direction.
  • the edge 104b, the end of the longitudinal beam bottom wall 103 extends outwardly to form a longitudinal beam bottom wall overlapping edge 100c extending in the left-right direction, and the end of the longitudinal beam outer side wall 104B extends outward to form the longitudinal side wall side overlapping edge.
  • the outer side wall overlapping edges 104c of the beam are respectively overlapped with the connecting bottom wall 221.
  • the end portion connecting the bottom wall 221 may be folded upward to form an outer end extending in the front-rear direction.
  • a wall 224, the outer end wall 224 is connected between the front side wall 222 and the rear side wall 223, and the outer side wall of the side member overlaps the side 104c and The outer end wall 224 is overlapped (refer to Figure 40).
  • the front end of the connecting plate 430 is formed as an upwardly open groove-like structure including a first inner side wall 432A, a first bottom wall 431 and a first outer side wall 432B, and an upper edge of the first inner side wall 432A.
  • first inner sidewall first flange 430a Folding outward to form a first inner sidewall first flange 430a extending in the front-rear direction, the end of the first inner sidewall 432A being folded outward to form a first inner sidewall second flange 430b extending in the up-and-down direction,
  • An end portion of the first bottom wall 431 extends outward to form a first bottom wall overlapping edge 430c extending in the left-right direction
  • an end portion of the first outer side wall 432B extends outward to form a first outer side wall extending in the up-and-down direction
  • the first inner side wall first flange 430a overlaps the rear side wall flange 223a
  • the first inner side wall second flange 430b overlaps the rear side wall 223, and the first bottom wall overlaps the side 430c
  • the first outer side wall overlapping edge 430d is respectively overlapped with the connecting bottom wall 221.
  • the end portion of the connecting bottom wall 221 may be folded upward to form an outer side extending in the front-rear direction.
  • the rear ends of the connecting plates 430 are respectively overlapped on the beam bottom wall 201, the beam side wall 202, and the beam opening flange 200a.
  • the rear end of the connecting plate 430 is formed as an upwardly open groove-like structure including a second bottom wall 433 and two opposite second side walls 434, and the upper edge at the opening of the groove-like structure at the rear end of the connecting plate 430 is turned outward Folding to form a second side wall first flange 430e extending in the front-rear direction, the end of the second side wall 434 is folded outward to form a second side wall second flange 430f extending in the up-and-down direction, the second bottom
  • the end of the wall 433 extends outward to form a second bottom wall overlapping edge 430g extending in the left-right direction, wherein the second side wall first flange 430e overlaps the beam opening flange 200a, and the second side wall is second The flange 430f overlaps the beam side wall
  • the number of connecting plates 430 between the front bulkhead 220 and the front cross member 210 can be arbitrarily set.
  • the force transmission structure between the front bulkhead 220 and the front cross member 210 is plural.
  • the connecting plate 430 is formed, and the connecting plates 430 are two and symmetrically disposed with respect to the vertical bisector of the front beam 210;
  • the connecting plate 430 may also be three, wherein the connecting plate 430 in the middle is located on the vertical bisector of the front beam 210, and the connecting plates 430 on the left and right sides are symmetric about the connecting plate 430 in the middle.
  • the connecting plates 430 are two and symmetrically disposed with respect to the vertical bisector of the front cross member 210, and a herringbone shape (FIG. 44) or a figure eight shape (FIG. 45) is disposed between the two connecting plates 430.
  • a herringbone shape FIG. 44
  • a figure eight shape FIG. 45
  • an X-shaped connecting beam FIG. 46
  • the front end of the chevron or figure-eight or X-shaped connecting beam is connected to the front cabin beam 220, and the rear end is connected to the front beam 210.
  • the front end to the rear end of the connecting plate 430 are formed as a continuous groove-like structure, in other alternative embodiments, for example, in the case where the connecting plate 430 has sufficient strength, the front end and the rear end of the connecting plate 430 may be groove-like structures spaced apart at both ends of the connecting plate 430 to facilitate processing of the flange and overlapping with other body beams or sill inner plates.
  • the impact energy of the front collision is transmitted to the connecting plate 430 through the front cabin beam 220, and continues to be dispersed to the front beam 210 and other beams behind the vehicle body structure, thereby improving the collision safety performance of the vehicle.
  • a sixth embodiment of a vehicle body structure dispersion collision force is provided, wherein the front side member 100 is cut off from the front cabin beam 220 and the front cabin beam 220 is between the front panel cross member 220 and the sill inner panel 500.
  • the connection structure of the front bay beam 220 and the front side rail 100 and the front end of the connecting plate 430 is the same as that of the second embodiment, with specific reference to FIG. 38 to FIG. 41, and no longer Narration.
  • the connecting plate 430 is bent outward from the front hatch beam 220 such that its rear end overlaps the inner panel bottom wall 502 and the inner panel side wall 503 of the sill inner panel 500, and the connecting panel The top surface of the 430 is also attached below the floor panel 300.
  • the connecting plate 430 is bent outward from the front bulkhead 220 and connected to the sill inner panel 500, and the connecting plate 430 is an upwardly open figure-shaped structure, and the top surface of the figure-shaped structure is connected to the floor panel 300. On the lower surface.
  • the rear end of the connecting plate 430 is formed as an upwardly open groove-like structure including a second inner side wall 434A, a second bottom wall 433, and a second outer side wall 434B, and the end of the second inner side wall 434A is outward.
  • the front cross member 210 is coupled to the sill inner panel 500 at the rear of the reinforcing panel 430 to form support for the sill inner panel 500 and to distribute the force.
  • the front end of the connecting plate 430 transitions to the rear end arc to avoid the wheel.
  • a seventh embodiment of a vehicle body structure dispersion impact force is provided, wherein the front side member 100 is cut off from the front cabin beam 220 and the front cabin beam 220 is spaced from the floor rail 110. Connected with a force transmission structure.
  • the connection manner of the front side cross member 220 and the front side member 100 and the front end of the connecting plate 430 is the same as that of the second embodiment.
  • the web 430 is outwardly bent from the front bay beam 220 and the rear end is coupled to the floor rail 110.
  • the connecting plate 430 is a figure-shaped structure that is open upward, and the top surface of the figure-shaped structure is attached to the lower surface of the floor panel 300, and the rear end of the connecting plate 430 is formed as an upwardly open groove-like structure.
  • the inner wall contour of the groove structure of the rear end is the same as the outer wall contour of the end portion of the floor longitudinal beam 110 and is sleeved with each other.
  • the outer wall contour of the groove structure of the rear end of the connection plate 430 may be opposite to the end of the floor longitudinal beam 110.
  • the inner walls have the same contour and are nested with each other. In order to optimize the use of the space below the floor panel 300, for example for mounting a battery pack.
  • the vehicle body structure may further include a carrier frame 700 for mounting a battery tray 600 carrying a battery pack.
  • the carrier frame 700 may include at least a battery pack front mounting beam 210 and a vehicle body.
  • the longitudinal beam and the battery pack are mounted with a beam 230, wherein the battery pack front mounting beam 210 and the battery pack rear mounting beam 230 are both fixed on the lower surface of the floor panel 300, and the vehicle body longitudinal beam is connected to the floor panel 300, wherein the battery pack front
  • the mounting beams 210 are spaced apart from the front bulkheads 220 and are mounted adjacent to the dash panel 320. It should be noted that "close” means that the battery pack front mounting beams 210 are installed in all the beams installed under the floor panel 300.
  • the distance from the dash panel 320 in the front-rear direction is the closest.
  • the battery pack rear mounting beams 230 are spaced apart from the rear of the battery pack front mounting beam 210, and the vehicle body longitudinal beams are two.
  • the two vehicle body longitudinal beams are spaced apart in the left-right direction and are at least partially located in front of the battery pack mounting beam 210 and the battery pack.
  • the rear of the beam 230 is installed to define the installation space of the battery tray 600.
  • the vehicle body longitudinal beam may include a battery pack mounting stringer 110 fixed to a lower surface of the floor panel 300 and/or a sill inner panel 500 fixed to a side edge of the floor panel 300, that is, the battery tray 600 may be fixed to the battery pack mounting stringer 110, can also be fixed on the sill inner panel 500 or both on the same, in order to arrange the mounting points according to the structure of the different battery tray 600, wherein the battery pack mounting stringer can be a new component of the disclosure, and The inner sill of the sill is the original part of the body structure.
  • the battery pack front mounting beam 210, the battery pack mounting rail 110, and the battery pack mounting cross member 230 are also referred to as the front cross member 210, the floor rail 110, and the floor rear cross member 230, respectively.
  • the carrying frame 700 can be a frame structure formed by the battery pack front mounting beam 210, the two battery pack mounting rails 110, and the battery pack rear mounting rail 230.
  • the embodiment shown in FIG. 51 and FIG. 52 can also be used, that is,
  • the battery pack mounting stringer 110 includes a first battery pack mounting rail 110A and a second battery pack mounting rail 110A that are respectively coupled to both ends of the battery pack front mounting beam 210.
  • the vehicle body structure further includes a rear side rail 120, and the rear rail 120 The first rear side member and the second rear side member respectively connected to the rear end of the corresponding battery pack mounting stringer 110 are included, and the battery pack rear mounting beam 230 is coupled between the rear side members 120 such that the rear side member 120 has a difference.
  • the rear side rail front section 121 and the rear side rail rear section 122 of the front and rear sides of the beam 230 are installed on the front and rear sides of the battery pack.
  • the load frame 700 is formed as a battery pack front mounting beam 210 and a first battery pack mounting stringer 110A.
  • a rear rail front section 121A, a battery pack rear mounting rail 230, a second rear rail front section 121B, and a second battery pack mounting rail 110B are provided to ensure full utilization of the lower space of the floor panel 300.
  • the beam and the longitudinal beam of the load-bearing frame 700 may be connected by being lapped and welded, screwed, or the like, or may be connected by adding a connecting means or the like, which is well known in the art, and the present disclosure does not specifically limit this.
  • the structural design of the carrier frame 700 it is possible to arrange as many battery packs as possible under the floor panel 300, which is advantageous for ensuring that the vehicle has the longest possible cruising distance.
  • the battery pack mounting stringer and the rear side member are connected to each other to increase the strength of the body structure.
  • the carrier frame 700 may further include a sill inner panel 500 connected to the left and right sides of the floor panel 300.
  • the sill inner panel 500 is located outside the battery pack mounting stringer 110 and respectively mounts the stringer with the battery pack.
  • the 110 and the battery pack front mounting beam 210 are overlapped to enhance the load carrying capacity of the load bearing frame 700, and also to enhance the corner joint position of the load bearing frame 700.
  • the vehicle body cross member 200 provided by the present disclosure can also be applied to the battery pack front mounting beam 210 and the battery pack rear mounting beam.
  • the battery pack front mounting beam 210, the battery pack mounting rail 110 and the sill inner panel 500 The structure and the connection manner can be respectively set with reference to the structure of the front cross member, the floor longitudinal beam and the inner panel of the door sill in the body-transmitting structure, that is, the connection manner, in order to avoid unnecessary repetition, no further details are provided herein.
  • the weight of the vehicle body structure is facilitated, and the front beam can be used as a battery pack front mounting beam, and the floor stringer can be used as a battery pack mounting stringer.
  • the carrier frame 700 can be part of the force transmission path of the vehicle body structure by some of the above embodiments. Specifically, when the rear end of the front side member 100 overlaps with the battery pack front mounting beam 210 in the carrier frame 700, the vehicle front When hitting, the front side member 100 is first subjected to impact, and the impact force is transmitted from the rear end of the front side member 100 to the battery pack front mounting beam 210 and along the battery pack mounting stringer 110 and the sill inner panel 500 to the rear body structure.
  • the vehicle can absorb the collision energy as a whole, reduce the deformation of the vehicle dash panel, protect the driver and the passenger located in the passenger compartment, and install the cross member 210, the sill inner panel 500 and the battery pack mounting stringer in front of the battery pack.
  • the overlapping of the three members can increase the strength of the carrier frame 700, reduce the degree of deformation of the collision of the carrier frame 700 (including the front and side impacts), and prevent the deformation of the carrier frame 700 from squeezing the battery pack to cause a fire.
  • the body structure may also include a rear seat mounting cross member 260 (refer to FIGS.
  • the rear seat mounting beam 260 may also be included, thereby increasing the number of mounting points of the battery tray 600 and the carrier frame 700, facilitating adapting to the shape and size of the different battery trays 600, and maintaining the mounting stability of the battery pack, and
  • the rear seat mounting beam 260 can also increase the force transmission path between the rear side members 120.
  • battery tray 600 can be formed as a unitary structure (as shown in FIG. 52) or as a split structure (as shown in FIG. 53).
  • the battery tray 600 may include a first battery tray 610 and a second battery tray 620 that are spaced apart in the front-rear direction, and the carrier frame 700 further includes a space between the battery pack front mounting beam 210 and the battery pack rear mounting beam 230.
  • a cross member 290 is installed in the battery pack, wherein the first battery tray 610 is respectively overlapped with the battery pack front mounting cross member 210, the vehicle body longitudinal beam and the battery pack mounting cross member 290, and the second battery tray 620 is respectively associated with the battery pack.
  • the mounting beam 290, the longitudinal beam of the vehicle body, and the battery pack rear mounting beam 230 are overlapped.
  • the mounting beam 290 of the battery pack can be overlapped on the longitudinal beam of the vehicle body, and the existing beam of the vehicle body structure, such as the rear seat mounting beam 260, can also be utilized.
  • a battery tray fastening hole 701 is opened in the carrier frame 700 for fixing the battery tray 600.
  • a battery tray mounting hole 602 is coaxially opened on the battery tray 600 such that the fasteners are mounted on the carrier frame 700 through the battery tray mounting holes 602 and the battery tray fastening holes 701.
  • the fastener may be formed as a bolt
  • the battery tray fastening hole 701 may be formed as a threaded hole.
  • the number and position of the connection points of the carrier frame 700 and the battery tray may be arbitrarily set as needed, specifically, the battery tray
  • the fastening hole 701 and the battery tray mounting hole 602 may be formed in a plurality of one-to-one correspondence.
  • two battery tray mounting holes 602 are respectively formed on the front and rear edges of the battery tray 600, and the two battery tray mounting holes 602 are spaced apart along the respective edges.
  • the battery tray fastening hole 701 and the battery tray mounting hole 602 may be respectively formed on the longitudinal edges of the vehicle body longitudinal beam and the battery tray, which are not specifically limited in the present disclosure.
  • the battery tray 600 is provided with an outwardly extending mounting lug 601 on the edge thereof so that the edge of the battery tray 600 does not directly contact the carrier frame 700, thereby ensuring that the battery tray 600 is not in a collision. Protects the battery pack by directly withstanding impact.
  • the position of the mounting lug 601 is aligned with the position of the battery tray fastening hole 701, and the battery tray mounting hole 602 is opened on the mounting lug 601 to mount the battery tray 600 to the carrier frame 700 by fasteners.
  • the upper surface of the floor panel 300 is also fixed with a transverse pressing plate 310 in the same direction as the front beam 210, and the horizontal pressing plate 310 and the front beam 210 at least partially overlap the projection on the floor panel 300 in the up and down direction. Therefore, when the vehicle collides (including the front touch and the side touch), the horizontal pressure plate 310 can stop the upward deformation of the front cross member 210, and prevent the front cross member 210 from being excessively deformed, so that the floor panel 300 is upwardly convexly compressed to compress the inner space of the passenger compartment.
  • Injury members' feet and legs are also fixed with a transverse pressing plate 310 in the same direction as the front beam 210, and the horizontal pressing plate 310 and the front beam 210 at least partially overlap the projection on the floor panel 300 in the up and down direction. Therefore, when the vehicle collides (including the front touch and the side touch), the horizontal pressure plate 310 can stop the upward deformation of the front cross member 210, and prevent the front cross member 210 from being excessively deformed, so that
  • the lateral pressing plate 310 is formed as a second groove-like structure that is open downward and includes a lateral pressing plate bottom wall 311 and a lateral pressing plate side wall 312, and the opening of the second groove-like structure
  • the edges are folded outward to form a transverse plate flange 310A
  • the transverse plate 310 is joined to the floor panel 300 by a transverse plate flange 310A
  • the beam opening flange 200a is aligned with the transverse plate flange 310A such that the front beam 210 and the transverse plate 310 together form a mouth-shaped support structure, so that the front beam 210, the floor panel 300 and the horizontal pressure plate 310 together form a plurality of mouth-shaped support structures.
  • the beam opening can be turned by three-layer welding.
  • the edge 200a, the floor panel 300 and the transverse plate flange 310A are welded together to ensure the strength of the connection position of the three, so that the deformation of the front beam 210 can be effectively reduced to invade the passenger compartment of the floor panel 300, and the current impact force
  • the clamping structure formed by the front cross member 210 and the lateral pressing plate 310 can stop the tendency of the floor panel 300 to continue to fold, and reduce the deformed floor.
  • the risk of occupant injury plate 300 is welded together to ensure the strength of the connection position of the three, so that the deformation of the front beam 210 can be effectively reduced to invade the passenger compartment of the floor panel 300, and the current impact force
  • the middle section of the front cross member 210 and the floor panel There is a gap between the 300 for passing at least one of the cable and the pipe.
  • the gap is provided in various ways. For example, as shown in Fig. 56, the middle portion of the floor panel 300 is convex upward to form a front-rear direction.
  • the central passage 301, the front cross member 210 extends from the one end of the floor panel 300 in the left-right direction across the central passage 301 to the other end of the floor panel 300 such that the front cross member 210 and the central passage 301 together define the gap.
  • the height of the gap is not more than 60 mm, and further not more than 50 mm, so as to rationally utilize the space inside the vehicle. .
  • the gap may be formed by the central passage 301, and the front cross member 210 may include a first front cross member 210A and a second front cross member 210B spaced apart from each other on both sides of the central passage 301 in the left-right direction, referring to FIG.
  • the first front beam 210A and the second front beam 210B are each formed into an upwardly open groove-like structure, and include a beam bottom wall 201, a beam side wall 202, and a beam connected between the beam bottom wall 201 and the beam side wall 202.
  • the inner end wall 209 and the upper edge at the opening of the channel structure are folded outward to form a beam opening flange 200a, and the front beam 210 is coupled to the floor panel 300 by a beam opening flange 200a.
  • the left front side rail is connected to the center position of the first front cross member 210A in the left-right direction
  • the right front cross member is connected to the center position of the second front cross member 210B in the left-right direction, so that the corresponding front cross member 210 can better withstand the left front The collision force transmitted by the stringer and the right front longitudinal beam.
  • the inner side of the front side frame 100 is provided with an inner connecting plate 410, and the outer side is provided with an outer connecting plate 420, and the front side of the inner connecting plate 410 is connected to the front side beam 220, the rear side is connected to the front cross member 210, the outer side is connected to the front side member 100, the inner side of the outer connecting plate 420 is connected to the front side member 100, and the rear side is connected to the front cross member 210.
  • the lateral pressure plate 310 is formed as a first lateral pressure plate 310A and a second horizontal pressure plate 310B which are respectively located on both sides of the central passage 301.
  • the central passageway 301 is also provided with a central passage cover 302 to strengthen the structure of the central passage 301 to prevent deformation of the central passage 301 during collision, thereby protecting the occupant and the cables disposed under the floor panel 300.
  • the front cabin cross member 220 is coupled to the front surface of the dash panel 320 and coincides with the front end of the floor panel 300, the central passage.
  • the cover plate 302 includes a front passage cover 302A.
  • the front end of the front passage cover 302A is connected to the front end of the floor panel 300 and coincides with the position of the front cabin cross member 220, and the rear end extends rearward along the extending direction of the central passage 301 to the front cross member.
  • the 210 is aligned, and the front cross member 210 is mounted on the lower surface of the floor panel 300 near the dash panel 320.
  • the front impact energy of the vehicle can be transmitted to the front cross member 210 through the front side member 100 and distributed to the components of the other load bearing frame 700, and can also be transmitted to the central passage cover 302 and the central passage 301 through the front bulkhead 220.
  • the deformation of the dash panel 320 caused by the collision is minimized to protect the occupant located in the passenger compartment.
  • the height of the protrusion of the central passage 301 gradually increases from the front and rear ends of the floor panel 300 to the middle portion, and the height of the central passage protrusion is not more than 60 mm, and further not more than 50 mm, to properly utilize the interior space of the vehicle.
  • the upper surface of the floor panel 300 is provided with a horizontal pressure plate 310 and a vertical pressure plate 330 for suppressing the upturn of the floor panel 300.
  • the central passage 301 may have a lower height to be combined with the horizontal pressure plate 310 and the longitudinal direction.
  • the upper surface of the pressure plate 330 is flush, thereby ensuring that the floor panel 300 has a flatter top surface to facilitate the arrangement of the interior components of the vehicle, improving the aesthetics and ride comfort of the interior of the vehicle.
  • the front passage cover 302A is formed to cooperate with the outer contour of the central passage 301 and at least partially covers the groove-like structure of the central passage 301. By this technical solution, the front passage cover 302A covers the front end of the central passage 301 such that the central passage 301 It can withstand the impact of a large collision moment.
  • the front channel cover 302A can be fixed to the floor panel 300 in any suitable manner.
  • the lower edge of the opening of the groove structure of the front channel cover 302A is folded outward to form a front channel cover flange.
  • the front passage cover 302A is connected to the floor panel 300 through the front passage cover flange 302A, and the inner ends of the first horizontal pressure plate 310A and the second horizontal pressure plate 310B may also overlap with the front passage cover 302A to increase
  • the connection strength between the components of the upper surface of the floor panel 300 and the floor panel 300, the outer ends of the first horizontal pressure plate 310A and the second horizontal pressure plate 310B may extend outward to overlap the sill inner panel 500 to strengthen the overall structure of the vehicle body structure. And assist in dispersing collision energy.
  • the central passage cover 302 further includes a rear passage cover 302B connected to the rear end of the front passage cover 302A, and the rear passage cover 302B is rearward from the front passage cover 302A along the top wall of the central passage 301.
  • the extension for example, extends to overlap the front seat mounting beam 240, as shown in Figure 60, to increase the collision force path of the body structure.
  • the vehicle body structure may further include a longitudinal pressure plate 330 fixed above the floor panel 300.
  • the longitudinal pressure plate 330 may be two corresponding to the left front side rail and the right front side rail, respectively.
  • the longitudinal pressure plate 330 intersects the first lateral pressure plate 310A and the second lateral pressure plate 310B, respectively, and the projection of the longitudinal pressure plate 330 and the front longitudinal beam 100 on the floor panel 300 in the up and down direction at least partially coincides. Therefore, when the vehicle is bumped forward, the longitudinal pressing plate 330 can stop the upward deformation of the front longitudinal beam 100, and prevent the front longitudinal beam 100 from being bent upward to cause the floor panel 300 to be turned up to protect the legs of the occupant.
  • the transverse pressing plate 310 and the longitudinal pressing plate 330 may have a plurality of intersecting embodiments.
  • the lateral pressing plate side wall 312 of the groove-like structure of the lateral pressing plate 310 is formed with a downward opening.
  • the escape groove 313 extends through the lateral pressure plate sidewall 312, and the vertical pressure plate 330 passes through the escape groove 313 and intersects the lateral pressure plate 310.
  • the depth of the escape groove 313 is the same as the depth of the groove structure of the lateral pressure plate 310, so that the upper surface of the longitudinal pressure plate 330 overlaps with the lower surface of the horizontal pressure plate bottom wall 311 to ensure the horizontal pressure plate 310 and the vertical pressure plate 330. There is sufficient joint strength between them, and the effect of making the upper surface of the transverse plate flat.
  • the cross plate 310 and the longitudinal plate 330 may also be an integrally formed cross plate structure.
  • a longitudinal pressure plate connecting plate 321 is connected to the rear surface of the dash panel 320.
  • the longitudinal pressing plate 330 is connected to the front longitudinal beam 100 through the longitudinal pressure plate connecting plate 321, thereby increasing the transmission of the vehicle body structure.
  • the force path, when the current collision occurs, the collision force received by the front side member 100 can also be transmitted to the longitudinal pressure plate 330 through the longitudinal pressure plate connecting plate 321 .
  • the force can continue to
  • the rear cross member is overlapped with the seat beam, and the seat beam may be a front seat mounting beam 240 or a rear seat mounting beam 260 spaced behind the front cross member 210, so that the collision force can also be transmitted to the longitudinal pressure plate 330 to Other body structure components to enhance vehicle collision safety.
  • the horizontal pressure plate and the longitudinal pressure plate also enhance the floor panel.
  • the manner in which the front side member 100, the longitudinal pressure plate connecting plate 321 and the longitudinal pressure plate 330 are connected may be connected by any suitable form.
  • the front side member 100 has a groove-like structure that is open upward
  • the longitudinal pressure plate connecting plate 321 has a groove-like structure that is open downward (refer to FIG. 63), so that the front side frame 100 and the longitudinal pressure plate connecting plate 321 can be snap-fitted into a mouthpiece.
  • the structure is configured to increase the impact strength of the joint position
  • the longitudinal pressure plate connecting plate 321, the dash panel 320 and the front side frame 100 can be integrally connected by a three-layer welding joint, wherein the front end of the longitudinal pressure plate 330 and the longitudinal pressure plate connecting plate The rear end of the 321 is welded.
  • the longitudinal pressing plate 330 may be formed into a downwardly open groove-like structure and includes a longitudinal pressing plate bottom wall 331 and a longitudinal pressing plate side wall 332, and an opening of the groove-like structure of the longitudinal pressing plate.
  • the lower edge is folded outward to form a longitudinal plate flange 330a, and the longitudinal plate flange 330a is coupled to the floor panel 300 to maintain the connection stability, and the groove structure of the longitudinal plate 330 and the front side member 100 can also be
  • the first longitudinal beam flange 100a of the rear end is aligned with respect to the floor panel 300 to enhance the bending strength of the rear end of the front side rail 100, preventing the front side rail 100 from deforming and causing the floor panel 300 to be turned up.
  • the cross member involved in the vehicle body structure provided by the present disclosure can use the body cross member 200 provided by the present disclosure, and the current cross member 210 and the floor rear cross member 230 are respectively installed as battery packs.
  • the front cross member and the battery pack are used to mount the rear cross member, the first mounting hole 701a and the second mounting hole 701b of the body cross member 200 are formed as the battery tray fastening holes 701 of the carrying frame 700.
  • the vehicle body structure provided by the present disclosure can form a plurality of force transmission paths for dispersing a collision force during a vehicle front collision, specifically, Above the floor panel 300, the force transmitting path of the collision force includes, but is not limited to: 1) front side member 100 - longitudinal pressure plate connecting plate 321 - longitudinal pressure plate 330 - seat beam; 2) front cabin beam 220 - central passage cover 302 a central passage 301; and the two force transmission paths are communicated by the transverse pressure plate 310 and further dispersed to the sill inner panel 500, usually in the passenger compartment, especially in the cab, the occupant is located behind the dash panel 320 and on the side of the central passage 301 Moreover, the force transmitting structure can avoid collision and cause large deformation of the floor panel 300 and the dash panel 320, reduce damage caused to the occupant due to deformation of the floor panel 300 and the dash panel 320, and ensure
  • the force transmitting path of the impact force includes: a front side rail 100 - a front cross member 210 - a floor rail 110 and a sill inner panel 500 - a rear side rail 120, and further includes a front cabin cross member 220, a floor rear cross member 230 and the rear seat mounting beam 260 to assist in dispersing the collision force, forming at least two closed loop frames under the floor panel 300, including:
  • a closed-loop frame composed of a front cabin beam 220, a left front longitudinal beam, a front cross member 210 and a right front longitudinal beam, the closed-loop frame having at least the following advantages: first, to withstand frontal collision loads, including initial collision loads transmitted through the force transmission path and The reverse impact impact of the drive motor or the like; secondly, the closed frame-shaped structure has strong stability, and optionally in actual manufacturing, it can also be better ensured by setting appropriate beam wall thickness and material strength.
  • the reinforcing structure formed by the frame-shaped structure and the outer connecting plate 420 disposed outside the front longitudinal beam 100 can effectively adapt to serious backlash of wheels such as small offset bumps
  • the front longitudinal beam (and the small offset collision wheel) can be obtained by the stable structure between the front bulkhead 220 and the front cross member 210.
  • the concentrated load applied is distributed to the sill inner panel 500 and the floor rail 110 on both sides of the passenger compartment to be further transmitted to the rear of the vehicle body. Therefore, normal force is applied to more effectively avoid deformation of the passenger compartment when the front is hit. as well as
  • the closed-loop frame formed by the load-bearing frame 700 has at least the following advantages: First, the arrangement area (space) of the battery pack can be provided to the maximum extent under the condition of satisfying the requirements of collision safety deformation, and the long-distance battery life is improved.
  • the closed-loop frame provides a simple and easy assembly method for the battery pack, and the battery arrangement with intensive features in the spatial arrangement facilitates the electrothermal management inside the battery pack;
  • the closed loop frame The geometrical position of the passenger compartment, that is, the floor panel, is substantially aligned in the up and down position, so that the improvement of the anti-collision deformation of the frame structure or the passenger compartment structure simultaneously protects the occupant and the battery pack;
  • the closed loop frame It is easier to make a design with better structural balance, and it is easy to meet the performance balance requirements of different parts.
  • the two structures can distribute the collision force evenly on the beams on the one hand, and can also stop the components disposed at the front of the vehicle, so as to prevent the power device of the vehicle such as the motor from moving backward into the passenger cabin due to the collision impact. Or squeeze the battery pack located under the floor panel 300 to cause secondary damage.
  • the force transmission path of the vehicle body structure may further include an A-pillar.
  • the inner panel 340 and the side outer panel 350 are fixedly connected to the inner side of the side outer panel 350 to form a body A pillar, and a force transmitting connector is connected between the front rail 100 and the A pillar inner panel 340. So that the collision force can be dispersed to the A-pillar of the vehicle body through the force transmission connection.
  • the force transmitting connector may be coupled to the A-pillar inner panel 340 corresponding to the position B of the side wall outer panel 350 adjacent to the lower door hinge.
  • the force transmitting connector may be connected to the outer sealing plate 106 of the front side frame 100 to adapt to the overall structure of the vehicle body, and the connection relationship on the body of the front side frame 100 is prevented from being too complicated, resulting in insufficient strength of the connecting position. Reduce the durability and impact resistance of the body structure.
  • a wheel cover assembly 360 is coupled to the dash panel 320, and the force transmitting connector can also be coupled to the dash panel 320 or the wheel cover assembly 360, thereby increasing the strength of the dash panel 320 such that the dash panel 320 is less prone to collision deformation.
  • the force transmitting connecting member can be formed into any suitable structure.
  • the force transmitting connecting member can be formed as a force transmitting connecting plate 450.
  • One end of the force transmitting connecting plate 450 is overlapped on the front longitudinal beam, and the other end is overlapped at A.
  • the A-pillar inner panel 340 and the side outer panel 350 are respectively formed as a groove-like structure facing the opening, and are fastened by the flange so that the vehicle A pillar is formed into a structure having a closed frame-shaped cross section.
  • the force transmitting connecting plate 450 can be overlapped on the A-pillar inner plate 340 to overlap the flange of the side surrounding outer plate 350, so as to be able to simultaneously the A-pillar inner plate 340 and the lateral surrounding outer plate 350. Transmission force is conducive to the dispersion of collision energy.
  • the force transmitting connecting plate 450 may be formed as a cap-like structure including a cap body 451 and a overlapping edge 452 surrounding the cap body 451 such that the force transmitting connecting plate 450 has at least two The cross-sections of the cross-section are perpendicular to each other, thereby ensuring that the force-transmitting web 450 has a large strength and can withstand impact in a plurality of directions without causing a large deformation.
  • the overlapping edge 452 is substantially surrounded by a rectangular structure and includes at least a first overlapping edge 450a, a second overlapping edge 450b, a third overlapping edge 450c, and a fourth overlapping edge 450d, and the first overlapping edge 450a
  • the second overlapping edge 450c and the fourth overlapping edge 450d are oppositely disposed between the first overlapping edge 450a and the second overlapping edge 450b, and the force transmitting connecting plate 450 is opposite to the second overlapping edge 450b.
  • the overlapping relationship of the other components of the vehicle body structure may be: the first overlapping edge 450a overlaps the front longitudinal beam 100, the second overlapping edge 450b overlaps the A-pillar inner panel 340, and the third overlapping edge 450c and the fourth
  • the lap joints 450d are respectively overlapped with the dash panel 320 or the wheel house assembly 360 so that the components can be stably connected.
  • the present disclosure also provides a vehicle including the vehicle body structure provided by the present disclosure, and therefore, the vehicle has all the advantages and benefits of the vehicle body structure provided by the present disclosure, in order to reduce unnecessary repetition. , will not repeat them here.
  • the vehicle may be an electric vehicle such that the body structure is adapted to the installation of the battery pack.

Landscapes

  • 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 et un véhicule, la structure de carrosserie de véhicule comprenant des poutres longitudinales avant (100), un élément transversal de cabine avant (220) et un élément transversal avant (210); les poutres longitudinales avant (100) comprennent une poutre longitudinale avant gauche et une poutre longitudinale avant droite disposées à distance l'une de l'autre dans une direction gauche-droite; l'élément transversal de cabine avant (220) est relié à la poutre longitudinale avant gauche et à la poutre longitudinale avant droite; à partir de leurs régions de liaison avec l'élément transversal de cabine avant (220), les poutres longitudinales avant (100) s'incurvent vers l'extérieur pour former des sections incurvées s'étendant vers l'arrière vers l'élément transversal avant (210).
PCT/CN2018/093435 2017-06-30 2018-06-28 Structure de carrosserie de véhicule, et véhicule WO2019001526A1 (fr)

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CN201710525576.3 2017-06-30

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