CN109204557A - Body structure and vehicle - Google Patents

Body structure and vehicle Download PDF

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Publication number
CN109204557A
CN109204557A CN201710524919.4A CN201710524919A CN109204557A CN 109204557 A CN109204557 A CN 109204557A CN 201710524919 A CN201710524919 A CN 201710524919A CN 109204557 A CN109204557 A CN 109204557A
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CN
China
Prior art keywords
floor
longitudinal
body structure
crossbeam
vehicle
Prior art date
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Granted
Application number
CN201710524919.4A
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Chinese (zh)
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CN109204557B (en
Inventor
廉玉波
张荣荣
李跃
嵇明
刘新春
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BYD Co Ltd
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BYD Co Ltd
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Publication date
Application filed by BYD Co Ltd filed Critical BYD Co Ltd
Priority to CN201710524919.4A priority Critical patent/CN109204557B/en
Priority to PCT/CN2018/093441 priority patent/WO2019001532A1/en
Publication of CN109204557A publication Critical patent/CN109204557A/en
Application granted granted Critical
Publication of CN109204557B publication Critical patent/CN109204557B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • 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

Abstract

This disclosure relates to a kind of body structure and vehicle.The body structure includes spaced two front longitudinal beams, in left-right direction spaced two longitudinal floor beams, in left-right direction spaced two floor side members and front beam in left-right direction, the body structure by preceding touch or after touch when, impact force correspondingly in the following order forward or backwards transmit: the front longitudinal beam-front beam-longitudinal floor beam-floor side member.Through the above technical solutions, make the body structure of the disclosure by preceding touch or after touch when, impact force transmitting and dispersion can be better achieved, to reduce the deformation of body structure, reduce the injury that occupant may be subject to.

Description

Body structure and vehicle
Technical field
This disclosure relates to which a kind of body structure, further relates to a kind of vehicle with the body structure.
Background technique
Farthest reduced in traffic (collision) accident of vehicle (especially passenger car) occupant the death rate and by Hurt the core design technology that degree is vehicle research and development and manufacture.Wherein, the design of body structure collision safety distressed structure is to mention The basis of high complete automobile collision security performance.It is wanted to meet the public to the higher and higher crashworthiness of household passenger car It asks, constantly improves and supplement step by step in recent years one in the relevant laws and regulations and value disciplines of the relevant department of various countries all home The experimental condition of the collision safety performance of a little passenger cars.Such as the U.S. is being directed to the vehicle of its domestic market sales, updates it A series of regulations and value disciplines in relation to safety collision performance, it is desirable that bigger collision is born under more multi-state in vehicle body member cabin Power and have relatively small deformation.
As household passenger car is in the universal of world market, fossil energy shortage and burning bring environmental issue are increasingly Seriously, so each state is all in active development new-energy automobile.And electric car as new-energy automobile a direction at For following trend.The design of electric car is in addition to that will meet traditional design, it is also necessary to considers to design higher course continuation mileage, To meet the competitiveness with conventional fuel oil car.
In addition, in order to promote endurance distance, electric car needs to be equipped with more recently as the fast development of electric car The energy storage battery added compares the fuel vehicle of same specification in this way, and complete vehicle weight will be dramatically increased in electric car, this just leads It causes under same experimental condition, the increase of the collision initial stage vehicle kinetic energy of vehicle, that is to say, the body structure of electric car needs Bigger power can be undertaken and absorb more kinergeties to promote safety.Further, in electric car, due to needing Arrange energy storage battery packet, the space of a large amount of body bottom sections is occupied, the vehicle body collision safety of the various classics of conventional fuel oil car Structure technology is not available, therefore designs a kind of novel vehicle body knot for being not only able to satisfy energy storage battery arrangement but also be able to satisfy vehicle safety Structure technology is imperative.
Summary of the invention
Purpose of this disclosure is to provide a kind of higher body structures of collision safety performance.
To achieve the goals above, the disclosure provides a kind of body structure, including spaced two in left-right direction Front longitudinal beam, in left-right direction spaced two longitudinal floor beams, in left-right direction spaced two floor side members, Yi Jiqian Crossbeam, the body structure by preceding touch or after touch when, impact force correspondingly in the following order forward or backwards transmit: institute State the front longitudinal beam-front beam-longitudinal floor beam-floor side member.
Optionally, the body structure further includes floor panel, the front beam, the longitudinal floor beam and the floor side member It is all connected to the lower surface of the floor panel.
Optionally, the body structure further includes two threshold internal plates, and described two threshold internal plates are separately positioned on described The left and right sides of floor panel, the threshold internal plate are forward extended out in the front beam, and the front end of the threshold internal plate with The distance of the front beam along the longitudinal direction is less than 1000mm.
Optionally, the side of the longitudinal floor beam is connected to corresponding threshold internal plate, and the other side is connected to the floor The lower surface of plate.
Optionally, the rear end of the front longitudinal beam is connected to the front beam, and the longitudinal floor beam is connected to the front beam, The rear end of the longitudinal floor beam is connected to corresponding floor side member.
Optionally, the width of the front longitudinal beam in left-right direction is maximum with the front beam junction.
Optionally, the front longitudinal beam on the front beam link position and the longitudinal floor beam on the front beam Link position be staggered in left-right direction.
Optionally, the front end of the longitudinal floor beam is connected to the front beam or the both ends of the front beam connect respectively It is connected to described two longitudinal floor beams.
Optionally, the body structure further includes outside link plate, the outside link plate be located at the outside of the front longitudinal beam and It is connect respectively with the front longitudinal beam and the front beam.
Optionally, the body structure further includes interior connecting plate, the interior connecting plate be located at the inside of the front longitudinal beam and It is connect respectively with the front longitudinal beam and the front beam.
Optionally, the junction of the front beam and longitudinal floor beam is provided with reinforcing beam, the reinforcing beam, front beam and ground Plate stringer surrounds triangular structure.
Optionally, the front end of the front longitudinal beam in the horizontal plane orthographic projection and the front longitudinal beam rear end in the horizontal plane The distance that orthographic projection is staggered in the lateral direction is not more than 80mm.
Optionally, for the front beam to install crossbeam before battery pack, the longitudinal floor beam is that battery pack installs stringer.
Through the above technical solutions, make the body structure of the disclosure by preceding touch or after touch when, can be preferably real Existing impact force transmitting and dispersion reduce the injury that occupant may be subject to reduce the deformation of body structure.
The disclosure also provides a kind of vehicle, which includes body structure as described above.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is that a kind of partial structurtes for body structure that the disclosure provides look up view stereo figure, before being shown Stringer, front deck crossbeam, front beam, front panel and floor panel；
Fig. 2 is the perspective view of front beam in a kind of body structure that the disclosure provides；
Fig. 3 is the connection relationship diagram of front longitudinal beam and front beam in a kind of body structure that the disclosure provides；
Fig. 4 is the connection relationship detail view of front longitudinal beam and front beam in a kind of body structure that the disclosure provides；
Fig. 5 is in a kind of body structure that the disclosure provides, and the connection relationship of front longitudinal beam, front deck crossbeam and front beam is illustrated Figure；
Fig. 6 is the positional diagram of front deck crossbeam and front longitudinal beam in a kind of body structure that the disclosure provides；
Fig. 7 is the connection relationship detail view of front longitudinal beam and front deck crossbeam in a kind of body structure that the disclosure provides；
Fig. 8 is a kind of another local structure perspective for body structure that the disclosure provides, and interior connecting plate is shown And outside link plate；
Fig. 9 is the connection relationship of interior connecting plate and body structure other component in a kind of body structure that the disclosure provides Detail view；
Figure 10 is the connection relationship of outside link plate and body structure other component in a kind of body structure that the disclosure provides Detail view；
Figure 11 is a kind of another local structure perspective for body structure that the disclosure provides, and it is vertical that floor is shown Beam, floor side member and Floor rear crossbeam；
Figure 12 is a kind of another partial structurtes bottom view for body structure that the disclosure provides；
Figure 13 is the schematic diagram of bearing frame in a kind of body structure that the disclosure provides；
Figure 14 is in a kind of body structure that the disclosure provides, and battery is shown in another schematic diagram of bearing frame Pallet；
Figure 15 is another schematic diagram of bearing frame in a kind of body structure that the disclosure provides, wherein battery tray dish type As split type structure；
Figure 16 to Figure 20 be the disclosure provide a kind of body structure in, front beam, threshold internal plate, longitudinal floor beam first The schematic diagram of kind connection type；
Figure 21 and Figure 22 be the disclosure provide a kind of body structure in, front beam, threshold internal plate, longitudinal floor beam second The schematic diagram of kind connection type；
Figure 23 is front longitudinal beam, front beam, longitudinal floor beam and the first embodiment party in a kind of body structure that the disclosure provides The connection relationship detail view of the reinforcing beam of formula；
Figure 24 is front longitudinal beam, front beam, longitudinal floor beam and second of embodiment party in a kind of body structure that the disclosure provides The connection relationship detail view of the reinforcing beam of formula；
Figure 25 is the connection relationship detail view of Floor rear crossbeam and floor side member in a kind of body structure that the disclosure provides；
Figure 26 is the connection relationship detail view of longitudinal floor beam and floor side member in a kind of body structure that the disclosure provides；
Figure 27 is the partial structurtes bottom view for another body structure that the disclosure provides；
Figure 28 is the explosive view of front longitudinal beam in another body structure that the disclosure provides；
Figure 29 is a kind of partial structurtes bottom view for body structure that the disclosure provides, and web beam is shown and adds Strong stringer；
Figure 30 is that a kind of partial structurtes for body structure that the disclosure provides overlook view stereo figure, and side is shown It encloses；
Figure 31 is a kind of local structure top view for body structure that the disclosure provides；
Figure 32 is a kind of partial structurtes bottom view for body structure that the disclosure provides；
Figure 33 is a kind of partial structurtes explosive view for body structure that the disclosure provides；
Figure 34 is to reinforce the perspective view of stringer in a kind of body structure that the disclosure provides；
Figure 35 is to reinforce the explosive view of stringer in a kind of body structure that the disclosure provides；
Figure 36 is the perspective view of upper beam section in a kind of body structure that the disclosure provides；
Figure 37 is the perspective view of lower beam section in a kind of body structure that the disclosure provides；
Figure 38 is the perspective view of rear web beam in a kind of body structure that the disclosure provides；
Figure 39 is to reinforce the connection relationship detail view of stringer and web beam in a kind of body structure that the disclosure provides；
Figure 40 is the perspective view of floor panel in a kind of body structure that the disclosure provides；
Figure 41 is the A-A sectional view of Figure 31；
Figure 42 is the enlarged drawing of C portion in Figure 41；
Figure 43 is the partial enlarged view of Figure 42；
Figure 44 is the B-B sectional view of Figure 31；
Figure 45 is the enlarged drawing of the part D in Figure 44；
Figure 46 is the section three-dimensional map that is taken about from preceding web beam in a kind of body structure that the disclosure provides；
Figure 47 is motor, automatically controlled and battery pack position schematic diagram in a kind of body structure that the disclosure provides；
Figure 48 is a kind of rear portion partial structurtes explosive view for body structure that the disclosure provides；
Figure 49 is the perspective view of floor side member back segment in a kind of body structure that the disclosure provides；
Figure 50 is a kind of rear portion local structure top view for body structure that the disclosure provides；
Figure 51 is a kind of rear portion partial structurtes bottom view for body structure that the disclosure provides；
Figure 52 is the E-E cross-section diagram of Figure 51；
Figure 53 is the enlarged drawing of the part G in Figure 52；
Figure 54 is the F-F cross-section diagram of Figure 51；
Figure 55 is the enlarged drawing of the part H in Figure 54；
Figure 56 is a kind of another rear portion partial structurtes explosive view for body structure that the disclosure provides；
Figure 57 is a kind of rear portion partial structure side view for body structure that the disclosure provides；
Figure 58 is the main view of rear motor collision prevention girders in a kind of body structure that the disclosure provides；
Figure 59 is a kind of another rear portion partial structurtes explosive view for body structure that the disclosure provides；
Figure 60 is a kind of another rear portion partial structure side view for body structure that the disclosure provides；
Figure 61 is the perspective view of guide beam and preceding installation crossbeam in a kind of body structure that the disclosure provides；
Figure 62 is a kind of bottom view for body structure that the disclosure provides.
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
In the disclosure, in the absence of explanation to the contrary, the noun of locality used such as " up, down, left, right, before and after " be It is defined on the basis of the up and down direction of vehicle, left and right directions and front-rear direction, specifically in the accompanying drawings, X-direction is vehicle Front-rear direction, that is, the longitudinal direction of vehicle, wherein the side that arrow is directed toward is " preceding ", otherwise is " rear "；Y-direction is vehicle Left and right directions, that is, the transverse direction of vehicle, wherein the side that arrow is directed toward is " right side ", otherwise is " left side "；Z-direction is vehicle Up and down direction, that is, the short transverse of vehicle, wherein the side that arrow is directed toward is "upper" otherwise is "lower"；" inside and outside " is It is defined on the basis of the profile of corresponding component, such as outside the car and vehicle defined on the basis of vehicle's contour, in vehicle The side in portion is "inner", otherwise is "outside".It is defined above to be only used for aiding in illustrating the disclosure, it is not construed as limiting the disclosure System.
All " crossbeam " refers to the beam extended substantially along left and right vehicle wheel direction in the disclosure, and all " stringer " refers to greatly The beam that body extends along vehicle front-rear direction.Wherein " front longitudinal beam " refers in body structure that before vehicle anti-collision beam extends back Stringer." floor side member " refers to the stringer extended forward in body structure from the rear anti-collision cross beam of vehicle.In addition, in other no spies In the case where different explanation, the nouns such as " front panel ", " floor panel ", " threshold internal plate " involved in each embodiment of the disclosure It is meant that its common art-recognized meanings in the art.
In addition unless specifically defined or limited otherwise, term " connection ", " connected ", " fixation " etc. shall be understood in a broad sense, It can be integrally formed for example, by the non-removable modes such as welding, dismountable mode such as bolt, or molding etc. What mode was realized.
The disclosure provides a kind of body structure, as shown in Figure 1, the body structure may include interval setting in left-right direction Two front longitudinal beams 100, front beam 210 and floor panel 300.
The front end of floor panel 300 is connected with front panel 320, the crew module of vehicle be limited to front panel 320 rear and The top of floor panel 300.
In one embodiment, after front beam 210 is fixed on lower surface and the front longitudinal beam 100 of floor panel 300 End is connected to front beam 210, i.e. front longitudinal beam 100 ends in front beam 210, thus the shape when frontal collision (preceding to touch) occurs for vehicle The support of pairs of 100 rear end of front longitudinal beam avoids 100 back segment of front longitudinal beam from becoming to disperse the collision impact of the transmitting of front longitudinal beam 100 Shape invades crew module.Front beam 210 can be arranged close to front panel 320.Also, front beam 210 is fixedly connected on floor The lower surface of plate 300 can play the role of reinforcing floor panel 300, when avoiding collision (including frontal collision and side collision) 300 excessive deformation of floor panel, fold etc. squeeze crew module space.Optionally, the width of front longitudinal beam 100 in left-right direction with The junction of front beam 210 is maximum, that is, front longitudinal beam 100 can gradually broaden towards front beam, pass through biggish junction width It can be so that front beam 210 can more steadily overlap front longitudinal beam 100.In some embodiments below, work as front beam 210 when being formed as installing crossbeam before battery pack for installing battery pack, and the front that battery pack is arranged in front beam 210 can be used In absorbing Impact energy, extruding of the collision impact to battery pack is reduced, battery pack is protected.
In one embodiment, referring to figs. 2 to shown in Fig. 4, front beam 210 is formed as the groove-like structure of upward opening, And including front beam bottom wall 211, the front beam front side wall 212 and front beam rear wall 213 that are oppositely arranged, front beam front side wall 212 top edge is formed with the front beam front side wall flange 210a extended in left-right direction, the top edge of front beam rear wall 213 It is formed with the front beam rear wall flange 210b extended in left-right direction, front beam 210 passes through front beam front side wall flange 210a The lower surface of floor panel 300 is connected to front beam rear wall flange 210b.
Front beam 210 and floor panel 300 surround the cavity substantially rectangular in cross section or trapezoidal with cross section, to enhance vehicle body The collision resistance of structure facilitates the collision deformation for reducing floor panel 300.What front beam 210 and floor panel 300 surrounded Reinforcement structure (such as welding metal plate) or filling CBS (composite reinforcing material) etc. can also be set in cavity, further to be promoted Front beam 210 bears the ability hit, and reduces the deformation quantity of front beam 210 in an impact.
As shown in Fig. 2, the end of front beam front side wall 212 could be formed with front beam front side wall end flange 210c, it is preceding The end of crossbeam rear wall 213 could be formed with front beam rear wall end flange 210d, and the end of front beam bottom wall 211 can be with Front beam bottom wall overlap edge 210e is extended outwardly to form, in order to which front beam 210 can be turned over by front beam front side wall end The other component of side 210c, front beam rear wall end flange 210d and front beam bottom wall overlap edge 210e and body structure, example The overlap joint such as longitudinal floor beam 110 or threshold internal plate 500 as mentioned below.
As shown in Figure 4 and Figure 5, front longitudinal beam 100 can be connected to front beam 210 by any suitable mode, in order to protect The bonding strength of front longitudinal beam 100 and front beam 210 is demonstrate,proved, front longitudinal beam 100 can be respectively and on front side of front beam bottom wall 211, front beam Wall 212 and front beam front side wall flange 210a overlap joint.
Specifically, as shown in figs. 4 and 7, the back segment of front longitudinal beam 100 can be formed as the groove-like structure of upward opening, and Including front longitudinal beam bottom wall 101 and the front longitudinal beam inner sidewall 102 and front longitudinal beam lateral wall 103 that are oppositely arranged.Front longitudinal beam inner sidewall 102 Top edge be formed with the front longitudinal beam inner sidewall flange 100a extended along the longitudinal direction, the top edge shape of front longitudinal beam lateral wall 103 At there is the front longitudinal beam lateral wall flange 100b extended along the longitudinal direction, the rear end of front longitudinal beam inner sidewall 102 is formed in front longitudinal beam Side wall ends flange 100c, the rear end of front longitudinal beam lateral wall 103 are formed with front longitudinal beam lateral wall end flange 100d, front longitudinal beam bottom The rear end of wall 101 extends back to form front longitudinal beam bottom wall overlap edge 100e.
Wherein, as shown in figure 4, front longitudinal beam inner sidewall flange 100a and front beam front side wall flange 210a is overlapped, front longitudinal beam Lateral wall flange 100b and front beam front side wall flange 210a is overlapped, front longitudinal beam inner sidewall end flange 100c and front beam front side Wall 212 overlaps, and front longitudinal beam lateral wall end flange 100d and front beam front side wall 212 overlap, front longitudinal beam bottom wall overlap edge 100e It is overlapped with front beam bottom wall 211.
As shown in figure 5, front longitudinal beam 100 is formed with the interior concave point 105 for avoiding wheel along wheel envelope.In order to avoid vehicle Front longitudinal beam 100 is bent at the interior concave point 105 when frontal collision occurs, and is invaded front panel 320 or is squeezed positioned at vehicle The other elements of front, the position that the inside of front longitudinal beam 100 corresponds to interior concave point 105 can connect stiffening plate.
As shown in Figure 1 and Figure 5, it can also be connected with front deck crossbeam 220 between two front longitudinal beams 100, front deck crossbeam 220 is set It sets the front in front panel 320 and can connect in front panel 320, to be moved backward for backstop front part of vehicle element, And it can also play the role of reinforcing front panel 320, so that front panel 320 is not susceptible to collision deformation.Also, front deck crossbeam 220, two front longitudinal beams 100 and front beam 210 can surround closed loop frame structure, so that the body structure of the part is strong Du Genggao, is able to bear the retrogressing impact of biggish primary collision load and front part of vehicle component, and can also utilize front deck 210 power transmission of crossbeam 220 and front beam reduces front part of vehicle deformation, protection occupant and the vehicle member that 210 rear of front beam is arranged in Part, such as battery pack.Front deck crossbeam 220 can connect at the interior concave point 105 of front longitudinal beam 100, to form the branch to front longitudinal beam 100 Support, avoids 100 bending of front longitudinal beam.
In one embodiment, the rear end of the orthographic projection of the front end of front longitudinal beam 100 in the horizontal plane and front longitudinal beam 100 exists The distance that orthographic projection on horizontal plane is staggered in the lateral direction is not more than 80mm.That is, the front end of front longitudinal beam 100 is along Z To project in the horizontal plane with the rear end of front longitudinal beam 100 along Z-direction projection in the horizontal plane along Y-direction be staggered at a distance from be not more than 80mm, so that front longitudinal beam 100 is as far as possible close to straight beam, to reach better power transmission effect.
Front deck crossbeam 220 can be connected in any suitable way between two front longitudinal beams 100.It specifically, is guarantee The bonding strength of front deck crossbeam 220 and front longitudinal beam 100, as shown in fig. 7, front deck crossbeam 220 is formed as the channel-shaped knot of upward opening Structure, and including front deck crossbeam bottom wall 221 and the front deck crossbeam front side wall 222 and front deck crossbeam rear wall 223 that are oppositely arranged, it is preceding The top edge of cabin crossbeam front side wall 222 is formed with the front deck crossbeam front side wall flange 220a extended in left-right direction, front deck crossbeam The top edge of rear wall 223 is formed with the front deck crossbeam rear wall flange 220b extended in left-right direction, front deck crossbeam front side wall 222 end is formed with front deck crossbeam front side wall end flange 220c, and the end of front deck crossbeam rear wall 223 is formed with front deck cross Beam rear wall end flange 220d, the end of front deck crossbeam bottom wall 221 extend outwardly to form front deck crossbeam bottom wall overlap edge 220e。
Wherein, front deck crossbeam front side wall flange 220a and front deck crossbeam rear wall flange 220b and front longitudinal beam inner sidewall flange 100a overlap joint, front deck crossbeam front side wall end flange 220c and front deck crossbeam rear wall end flange 220d and front longitudinal beam inner sidewall 102 overlap joints, front deck crossbeam bottom wall overlap edge 220e and front longitudinal beam bottom wall 101 overlap.In actually manufacture, each flange or overlap edge Connection type with front longitudinal beam 100 can be to overlap and weld, to promote the bonding strength of front deck crossbeam 220 and front longitudinal beam 100, To guarantee that front deck crossbeam 220 can preferably bear the shock of the power device (such as motor or engine) of vehicle.
Front deck crossbeam 220 can be formed as segmentation structure, to facilitate production.Front deck crossbeam 220 may include crossbeam sheet Body and the end linkage section for being connected to cross-beam body both ends, the opening width of the groove-like structure of front deck crossbeam 220 is along cross-beam body It is become larger to end linkage section, thus overlapped with front longitudinal beam 100 each flange easy to process.In interchangeable embodiment In, front deck crossbeam 220 can also be formed as one formula structure.
As shown in Figure 5 and Figure 6, front longitudinal beam 100 can have main paragraph 100A and be connected to the rear end main paragraph 100A It is turned under tune 100B, front deck crossbeam 220 is installed on being turned under on tune 100B of two front longitudinal beams 100, and at least partly Ground is located at the lower section of main paragraph 100A (with reference to Fig. 6).Wherein, the main paragraph 100A of front longitudinal beam is usually above the ground of vehicle passenger compartment 300 position of plate face plate, and the transition of front longitudinal beam up and down direction is realized by being turned under tune.Wherein, main paragraph 100A higher It can be used for the vehicular propulsions such as motor, engine.These vehicular propulsions are located at main paragraph typically at least in part The lower section of 100A.
In this way, 100 crumple of front longitudinal beam drives the vehicle component being mounted on main paragraph 100A backward when frontal collision occurs It is mobile, it is mounted on lower section of the front deck crossbeam 220 being turned under on tune 100B due to being only positioned partially at main paragraph 100A, energy The vehicular propulsions such as enough the backstop vehicle component moved backward, such as motor, avoid it from invading vehicle hold because of collision impact Room, to protect occupant.
Specifically, the installation point for installing fore sub frame is provided on main paragraph 100A, the power device of vehicle passes through Fore sub frame is mounted on main paragraph 100A, and is at least partially disposed on lower section and the front deck crossbeam 220 of main paragraph 100A Front so that the backstop power device moves back and threatens crew module when front deck crossbeam 220 can collide in front.In order to true Front deck crossbeam 220 is protected in the lower section of main paragraph 100A, as shown in Figure 1, the front deck crossbeam 220 is at least partly connected to and is turned under The bottom of tune 100B.
Since collision impact is concentrated mainly on the back segment of front longitudinal beam 100, then by other body structures to after vehicle Part dissipates, therefore the back segment of front longitudinal beam 100 needs enough intensity, to guarantee the good communication of collision impact, and prevents Only 100 back segment deformable squeeze front panel 320 of front longitudinal beam.Therefore, as shown in Fig. 8 to Figure 10, in one embodiment, vehicle body knot Structure can also include interior connecting plate 410 and outside link plate 420 or in which one, reinforce simultaneously righting front longitudinal beam 100 can play Back segment position effect.
Specifically, interior connecting plate 410 is connected to the inside of front longitudinal beam 100, and is located at front deck crossbeam 220 and front beam Between 210, interior connecting plate 410 can also be connect at least one of front deck crossbeam 220 and front beam 210, in this way, this interior connects Fishplate bar 410 can also aid dispersion collision impact, avoid the excessive bending of the back segment of front longitudinal beam 100, cause front panel 320 become Shape squeezes crew module space.
As shown in figure 9, interior connecting plate 410 may include interior connection bottom wall 411, interior connection bottom wall 411 has head and the tail successively The interior connecting plate first edge of connection, the 4th edge of interior connecting plate second edge, interior connecting plate third edge and interior connecting plate, it is interior Connecting plate first edge extends along front beam 210 and overlaps with the front beam 210, and interior connecting plate second edge is along front longitudinal beam 100 Extend and overlapped with the front longitudinal beam 100, since front deck crossbeam 220 is located at the top of front beam 210, interior connecting plate along the vertical direction It is connected on third edge in first angularly upwardly extended and connects side wall 412 to adapt to front deck crossbeam 220 and front beam 210 positional relationship in above-below direction, the first interior connection side wall 412 and front deck crossbeam 220 overlap, on interior the 4th edge of connecting plate It is connected in second upwardly extended and connects side wall 413, connection side wall 413 and front beam 210 overlap in second.
In detail, with reference to Fig. 9, interior connecting plate first edge extends outwardly to form the interior connecting plate extended in left-right direction First faying surface 410a, the top edge of the second interior connection side wall 413 is turned down outward to be formed in extend along the longitudinal direction second The first flange of side wall 410b is connected, connection side wall 413 is turned down outward close to the end of interior connecting plate first edge with shape in second At connection the second flange of side wall 410c in second vertically extended.Wherein:
Interior connecting plate the first overlap edge 410a and front beam bottom wall 211 overlap, and the first flange of side wall 410b is connected in second It is overlapped with front beam front side wall flange 210a, connection side wall the second flange 410c and front beam front side wall 212 overlap in second；
Interior connecting plate second edge extends outwardly to form interior the second overlap edge of connecting plate 410d, and interior connecting plate second overlaps Side 410d and stringer bottom wall 103 overlap；
The top edge of connection side wall 412 is turned down outward to be formed and connect side wall flange 410e in first in first, in first It connects side wall flange 410e and front deck crossbeam 220 overlaps.
Modes such as welding metal plates can also be provided with reinforcement structure on interior connecting plate 410, thus before further strengthening The intensity of 100 back segment of stringer avoids the back segment position of front longitudinal beam 100 because of collision bending invasion front panel 320.
As shown in figs, the outside of front longitudinal beam 100 is arranged in outside link plate 420, and can be with front longitudinal beam 100 It is connected with front beam 210, to play the role of reinforcing front longitudinal beam 100, and the case where vehicle small offset collision can be suitable for, i.e., It hits and occurs in the outside of front longitudinal beam 100, at this moment the stress of front longitudinal beam 100 is smaller, and the effect of the crumple energy-absorbing played is poor, vehicle Wheel bears to hit and retreat compressing vehicle A column and front panel 320, and body structure is easy to cause to deform, and squeezes crew module.
The outside of front longitudinal beam 100 is located at due to outside link plate 420 and is overlapped respectively with front longitudinal beam 100, front beam 210, Therefore in small offset collision, outside link plate 420 is able to bear wheel and hits simultaneously 210 power transmission of front side rails 100 and front beam, into One step, outside link plate 420 can also extend outwardly to overlap with threshold internal plate 500, so that the effect of small offset collision Power can also be transferred to rear of vehicle by threshold internal plate 500, to reduce vehicle A column caused by collision impact and front panel 320 Deformation.Vehicle frontal collision, when 100 stress of front longitudinal beam is larger, collision impact can also disperse power transmission by outside link plate 420, Avoid 100 back segment bending of front longitudinal beam deformation invasion vehicle dash panel plate 320.The left and right of floor panel 300 is arranged in threshold internal plate 500 Two sides, the front end of threshold internal plate 500 can be forward extended out in front beam 210, as shown in figure 20, the front end of threshold internal plate 500 with The distance of front beam 210 along the longitudinal direction can be for less than 1000mm, such as can be 30-200mm, it is preferable that can be 60- 140mm。
Specifically, refering to what is shown in Fig. 10, outside link plate 420 may include outer connection bottom wall 421, the outer connection bottom wall 421 Be formed as quadrangle, and there is the sequentially connected outside link plate first edge of head and the tail, outside link plate second edge, outside link plate the The 4th edge of three edges and outside link plate, wherein outside link plate first edge along front beam 210 extend and with the front beam 210 Overlap joint, outside link plate second edge extend along front longitudinal beam 100 and overlap with the front longitudinal beam 100, and outside link plate third connects on edge It is connected to the outer connection side wall 422 upwardly extended, and the outer connection side wall 422 is also overlapped with front longitudinal beam 100, outside link plate the 4th Edge extends along threshold internal plate 500 and overlaps with the threshold internal plate 500.
In detail, outside link plate first edge extends outwardly to form the outside link plate first extended in left-right direction and overlaps Side 420a, the outside link plate the first overlap edge 420a and front beam bottom wall 211 overlap；Outside link plate second edge extend outwardly with The second overlap edge of the outside link plate 420b extended along the longitudinal direction is formed, the top edge of outer connection side wall 422 is turned down outward with shape At the first flange of outer connection side wall 420c, outer connection side wall 422 is turned down outward close to the end of outside link plate second edge with shape At outer the second flange of the connection side wall 420d vertically extended, wherein outside link plate the second overlap edge 420b and front longitudinal beam Bottom wall 101 overlaps；Outer connection side wall the first flange 420c and front longitudinal beam lateral wall flange 100b is overlapped；Outer connection side wall second turns over Side 420d and front longitudinal beam lateral wall 103 overlap；The 4th edge of outside link plate extends outwardly to form the 4th overlap edge of outside link plate 420e；Outer connection side wall 422 extends outwardly close to the end at the 4th edge with the lapping ends with threshold internal plate 500.Further Ground, outside link plate 420 are also overlapped by outer connection side wall the first flange 420c and front panel 320.
In the present embodiment, as shown in figs, outside link plate 420 is generally formed into trapezium structure, wherein outer The length of connecting plate second edge is greater than the length at the 4th edge of outside link plate, and outside link plate third edge is in outside link plate second Arc transition is between the 4th edge of edge and outside link plate to avoid wheel.Therefore, when preceding touching, outside link plate 420 can be incited somebody to action The collision impact for concentrating on the back segment of front longitudinal beam 100 is dispersed to the rear of threshold internal plate 500 and body structure, preceding vertical to reduce The downthrust intensity that 100 back segment of beam is born, also, the trapezium structure of outside link plate 420 has front longitudinal beam 100 preferably Lateral stability, it is not easy to bending.
In order to improve the intensity of outside link plate 420, the case where especially coping with above-mentioned small offset collision, outside link plate 420 On be additionally provided with reinforcement structure for carrying front-rear direction active force.Specifically, which can be formed as from outer company The reinforcing rib that fishplate bar first edge extends towards outside link plate third edge, wheel is along the longitudinal direction on outside link plate 420 Projection is at least partly overlapped with the end of reinforcing rib, and to carry the shock of wheel, alternatively, which can also be with shape As metal plate or filling CBS (composite reinforcing material).
In order to disperse collision impact backward, as is illustrated by figs. 11 and 12, body structure can also include between left and right every Spaced two floor side members 120 of two vehicle body longitudinal beams being arranged and left and right, the rear end of the vehicle body longitudinal beam with two Floor side member 120 is connected, and front beam 210 can be connect with the vehicle body longitudinal beam, the collision generated when by frontal collision Impact force is transferred to the rear portion of body structure, reduces the deformation of front part of vehicle.Also, it in this way, can also will below The collision impact generated when collision is transferred to the front of body structure, reduces the deformation of body tail.In addition, the vehicle body is vertical It is connected to beam and floor side member 120, the intensity of body structure can also be increased.
In one embodiment, body structure can also include Floor rear crossbeam 230, and the interval of Floor rear crossbeam 230 is set It sets the rear in front beam 210 and is connected to the lower surface of floor panel 300.The both ends of Floor rear crossbeam 230 can connect respectively Two vehicle body longitudinal beams are connected to, two floor side members 120 can also be connected to.
In the case where the both ends of Floor rear crossbeam 230 are connected to two vehicle body longitudinal beams, front beam 210, Two vehicle body longitudinal beams and Floor rear crossbeam 230 surround the bearing frame 700 (visible in Figure 13) of " mouth " font, the carrying jointly Frame 700 can be used for installing and vehicle element, such as 610 (Figure 14 of battery tray for installing and carrying battery pack In it is visible).
It, for convenience of explanation, will in the case where the both ends of Floor rear crossbeam 230 are connected to two floor side member 120 Floor side member 120 divides for positioned at the front in 230 front of Floor rear crossbeam and positioned at the rear portion at 230 rear of Floor rear crossbeam, wherein preceding 210, two vehicle body longitudinal beams of crossbeam, the front of two floor side members 120 and Floor rear crossbeam 230 surround bearing frame jointly 700, which can be used for installing and vehicle element, such as the battery tray for installing and carrying battery pack Disk 610.It is designed by the structure of this bearing frame, can as often as possible arrange battery below floor panel 300, be conducive to Guarantee that vehicle has endurance distance long as far as possible.
When bearing frame 700 is for when installing battery tray 610, front beam 210 and Floor rear crossbeam 230 can be by successively Crossbeam is installed after crossbeam and battery pack are installed referred to as before battery pack, front beam 210, Floor rear crossbeam 230 and the vehicle body are longitudinal Battery tray fastener hole can be offered on beam, to install the battery tray 610 for carrying battery pack to preceding cross by fastener On beam 210, Floor rear crossbeam 230 and the vehicle body longitudinal beam.
Battery pack can be mounted on the bearing frame in the form of an entirety, can also be installed in seperated form On bearing frame 700.In other words, battery tray 610 can be one, be also possible to multiple.
As shown in figure 15, battery pack be split settings it is multiple in the case where, can be by front beam 210 and floor Between rear cross beam 230 increase one or more battery packet in install crossbeam 360 dividing bearing frame 700 for multiple subframes, In this way, the battery tray of each battery pack may be mounted on corresponding subframe.Installing in battery pack can open on crossbeam 360 Equipped with battery tray fastener hole.Crossbeam 360 is installed in battery pack can be set in the lower surface of floor panel 300, can also set It sets in the upper surface of floor panel 300.It, can be with when installing crossbeam 360 in battery pack the upper surface of floor panel 300 being arranged in The corresponding position aperture on floor panel 300 is pacified so that fastener can pass through floor panel 300 with being connected in battery pack Fill crossbeam 360.
Certainly, in other possible embodiments, also can use the intrinsic crossbeam of body structure (such as front chair peace Fill crossbeam) to substitute crossbeam 360 is installed in above-mentioned battery pack.
In one embodiment, as shown in figure 15, battery tray 610 includes two the first sub- pallets of split settings The sub- pallet 610B of 610A and second, is provided in a battery pack between front beam 210 and Floor rear crossbeam 230 and installs crossbeam 360, the first sub- pallet 610A are connect with installation crossbeam 360 in front beam 210, longitudinal floor beam 110 and battery pack respectively, the second son Pallet 610B is connect with installation crossbeam 360, longitudinal floor beam 110 and Floor rear crossbeam 230 in battery pack respectively.
Here, the vehicle body longitudinal beam can be the intrinsic beam of body structure (such as threshold internal plate 500), be also possible to for Installation battery tray 610 and the beam being specially arranged.
In one embodiment, the vehicle body longitudinal beam can be threshold internal plate 500, and two threshold internal plates 500 are distinguished The left and right sides of floor panel 300 is set.In this case, battery tray fastening can be offered in threshold internal plate 500 Hole.
In another embodiment, the vehicle body longitudinal beam can be the floor for being connected to 300 lower surface of floor panel Stringer 110, the longitudinal floor beam 110 can be connect with threshold internal plate 500, can also be spaced and are arranged with threshold internal plate 500.This In the case of, battery tray fastener hole can be offered on longitudinal floor beam 110, and longitudinal floor beam 110 can be referred to as battery pack Stringer is installed.
In yet another embodiment, the vehicle body longitudinal beam can be including threshold internal plate 500 and longitudinal floor beam 110 Component, longitudinal floor beam 110 are connect with threshold internal plate 500.In this case, front beam 210 can be with longitudinal floor beam 110 and door One or both of sill inner panel 500 connects, and it is tight to offer battery tray on longitudinal floor beam 110 and threshold internal plate 500 Solid hole, and longitudinal floor beam 110 can be referred to as battery pack installation stringer.
In the case where the vehicle body longitudinal beam is longitudinal floor beam 110, as front beam 210, longitudinal floor beam 110, threshold The first possible embodiment of 500 three's connection type of inner panel, as shown in Figure 16 to Figure 20, the both ends point of front beam 210 It is not connected to two threshold internal plates 500, the front end of longitudinal floor beam 110 is connect with front beam 210.
Specifically, as shown in figure 19, threshold internal plate 500 can be formed as being open U-type groove structure outwardly and including opposite The inner panel roof 501 and inner panel bottom wall 502 of setting, and the inboard side being connected between inner panel roof 501 and inner panel bottom wall 502 Wall 503.As shown in Fig. 2, the end of the front beam front side wall 212 of front beam 210 is formed with front beam front side wall end flange 210c, the end of front beam rear wall 213 are formed with front beam rear wall end flange 210d, the end of front beam bottom wall 211 Extend outwardly to form front beam bottom wall overlap edge 200e.
Wherein, front beam front side wall end flange 210c and inner panel side wall 503 overlap, front beam rear wall end flange 210d and inner panel side wall 503 overlap, and front beam bottom wall overlap edge 210e and inner panel bottom wall 502 overlap, with ensure front beam 210 with The connection of threshold internal plate 500 is not vulnerable, to preferably disperse collision impact, body structure generation is avoided significantly to become Shape.
Longitudinal floor beam 110 is fixedly connected on the lower surface of floor panel 300 and connect with threshold internal plate 500, so that Floor panel 300 is separately installed with body rail on the left and right directions and front-rear direction of vehicle, plays and reinforces floor panel 300 Effect, avoids deformation of the floor panel 300 in collision (including frontal collision and side collision) excessive.
Specifically, as shown in figure 18, longitudinal floor beam 110 can be formed as the groove-like structure of upward opening and indulge including floor On the outside of beam inner sidewall 112 and longitudinal floor beam lateral wall 113 and the connection longitudinal floor beam inner sidewall 112 and the longitudinal floor beam The longitudinal floor beam bottom wall 111 of wall 113.The top edge of longitudinal floor beam inner sidewall 112 is formed with extends longitudinal floor beam along the longitudinal direction Interior lateral flange 110a, the top edge of longitudinal floor beam lateral wall 113 are formed with the outer lateral flange of the longitudinal floor beam extended along the longitudinal direction 110b, the lower surface of lateral flange 110a and floor panel 300 overlaps in longitudinal floor beam, the outer lateral flange 110b of longitudinal floor beam and threshold The inner panel bottom wall 502 of inner panel 500 overlaps, and the outer lateral flange 110b of longitudinal floor beam can be lower than lateral flange 110a in longitudinal floor beam.
The front end of longitudinal floor beam inner sidewall 112 is formed with longitudinal floor beam inner sidewall front end flange 110c, longitudinal floor beam bottom wall 111 front end extends forward to form longitudinal floor beam bottom wall overlap edge 110e.Wherein, lateral flange 110a and preceding cross in longitudinal floor beam The front beam rear wall flange 210b of beam 210 is overlapped, the front beam of longitudinal floor beam inner sidewall front end flange 110c and front beam 210 Rear wall 212 overlaps, and the front beam bottom wall 211 of longitudinal floor beam bottom wall overlap edge 110e and front beam 210 overlaps.
In this connection type, arbitrarily both having in front beam 210, longitudinal floor beam 110 and threshold internal plate 500 Connection relationship, therefore, when vehicle collides and (touches before such as), the collision impact that front longitudinal beam 100 is subject to is transferred to preceding cross Beam 210, and longitudinal floor beam 110 and threshold internal plate 500 are transferred to by front beam 210 respectively, and in longitudinal floor beam 110 and threshold Plate 500 connects, and this connection type enables collision impact to be more evenly dispersed at the link position of the three, mentions Rise the collision resistance of link position.
The advantages of this connection type, also resides in, and when frontal collision occurs for vehicle, the end of longitudinal floor beam 110 can be supported Front beam 210 is pushed up, front beam 210 is avoided to move backward, squeezes the other elements of body structure, such as front beam 210 as electricity Installation crossbeam before the packet of pond is in use, this connection type can protect the battery pack for installing crossbeam rear before battery pack.Together Sample, when side collision (side impact) occurs for vehicle, front beam 210 can support threshold internal plate 500, avoid threshold internal plate 500 It inwardly squeezes and drives medial movement of the longitudinal floor beam 110 to body structure, to protect other yuan for being located at 110 inside of longitudinal floor beam Part, such as longitudinal floor beam 110 install stringer in use, this connection type can be protected positioned at battery pack installation as battery pack The battery pack of side rail inner promotes the crashworthiness of vehicle to avoid battery pack because extrusion deformation causes possible on fire Energy.
In the case where the vehicle body longitudinal beam is longitudinal floor beam 110, as front beam 210, longitudinal floor beam 110, threshold Second of possible embodiment of 500 three's connection type of inner panel, as shown in figure 21 and figure, the both ends point of front beam 210 It is not connected to two longitudinal floor beams 110, threshold internal plate 500 is connected to the outside of longitudinal floor beam 110 and is spaced with front beam 210 The two sides that setting, i.e. front beam 210 and threshold internal plate 500 are connected to longitudinal floor beam 110.
Specifically, front beam front side wall flange 210a and lateral flange 110a in longitudinal floor beam is overlapped, and front beam rear wall turns over Side 210b is overlapped with lateral flange 110a in longitudinal floor beam, front beam front side wall end flange 210c and longitudinal floor beam inner sidewall 112 Overlap joint, front beam rear wall end flange 210d and longitudinal floor beam inner sidewall 112 overlap, front beam bottom wall overlap edge 210e and ground Plate stringer bottom wall 111 overlaps, and the outer lateral flange 110b of longitudinal floor beam and inner panel bottom wall 502 overlap.
In this connection type, when vehicle collides, such as before when touching, collision impact that front longitudinal beam 100 is subject to It is transferred to front beam 210, and is successively transferred in longitudinal floor beam 110 and threshold internal plate 500, and may be used also on longitudinal floor beam 110 To be formed with retention bead 114 (in Figure 22 visible), with for when frontal collision occurs blocking front beam 210 move backward.
In above-mentioned several connection types, when touching before vehicle generation, collision impact focuses primarily upon front longitudinal beam 100 Rear end and the body structure positioned at body structure two sides is dispersed to (for example, threshold internal plate 500, floor are vertical by front beam 210 Beam 110 etc.) on.
It preferably transmits backward when in order to be touched before generation and disperses impact force, in the rear end and threshold of longitudinal floor beam 110 The rear end of plate 500 can be connect with floor side member 120.In this case, Path of Force Transfer when body structure collides in front It can be with are as follows: front longitudinal beam 100- front beam 210- longitudinal floor beam 110 and threshold internal plate 500- floor side member 120.It touches and (is touched after below Hit) when Path of Force Transfer it is opposite with before touching.
Floor side member 120 can be integrally formed.In one embodiment, as shown in figure 48, floor side member 120 may include phase The floor side member leading portion 121 and floor side member back segment 122 to connect, Floor rear crossbeam 230 can connect in floor side member leading portion 121.
As a kind of connection type of longitudinal floor beam 110 and floor side member leading portion 121, as illustrated in figs. 25 and 26, floor side member The front end of leading portion 121 is formed as the groove-like structure of upward opening, and the floor side member leading inside wall 1212 including being oppositely arranged After floor side member front end outer side wall 1213, and connection floor side member leading inside wall 1212 and floor side member front end outer side wall 1213 Stringer front end bottom wall 1211.The top edge of floor side member leading inside wall 1212 is formed with the floor side member leading portion extended along the longitudinal direction The top edge of inner sidewall flange 121a, floor side member front end outer side wall 1213 are formed with outside the floor side member leading portion extended along the longitudinal direction Side wall flange 121b.Wherein, longitudinal floor beam bottom wall 111 is overlapped on floor side member front end bottom wall 1211, lateral flange in longitudinal floor beam 110a is overlapped on floor side member leading portion inner sidewall flange 121a, and the outer lateral flange 110b of longitudinal floor beam is overlapped on the outside of floor side member leading portion On wall flange 121b.It may insure that longitudinal floor beam 110 and the connection of floor side member 120 be not vulnerable in this way, thus compared with Disperse collision impact well, body structure generation is avoided significantly to deform.
As a kind of connection type of Floor rear crossbeam 230 and floor side member leading portion 121, as shown in figure 25, Floor rear crossbeam 230 can be formed as the groove-like structure of upward opening, and two including being oppositely arranged rear cross beam side walls 232 and connection two The rear cross beam bottom wall 231 of rear cross beam side wall 232.The top edge of rear cross beam side wall 232 is formed with the rear cross extended in left-right direction Beam side wall flange 230a, the end of rear cross beam side wall 232 are formed with rear cross beam side wall ends flange 230b.Wherein, rear cross beam side The lower surface of wall flange 230a and floor panel 300 overlaps, and rear cross beam side wall ends flange 230b is interior with floor side member leading portion 121 Side wall 1214 overlaps.As shown in figure 25, Floor rear crossbeam 230 can connect in the middle part of floor side member leading portion 121.
This disclosure relates to bearing frame 700 by above-mentioned some embodiments can become body structure collide power transmission road A part of diameter.Specifically, the rear end of front longitudinal beam 100 is connect with the front beam 210 in bearing frame 700, before vehicle generation When face is collided, front longitudinal beam 100 is first subject to hit, and collision impact is transferred to front beam 210 and edge from the rear end of front longitudinal beam 100 Longitudinal floor beam 110, threshold internal plate 500 are dispersed on the body structure of vehicle rear, allow the vehicle to absorb as a whole Collision energy, reduces the deformation of vehicle dash panel plate 320, and protection is located at driver and occupant in crew module, and front beam 210, threshold internal plate 500 and longitudinal floor beam 110, which link together, can increase the intensity of bearing frame 700, reduce bearing frame 700 collision includes frontal collision, rear collision and side collision deformation extent, avoids 700 deformable squeeze battery of bearing frame Packet causes on fire.
The body structure can also include back seat installation crossbeam 260 (referring to Figure 62), which installs crossbeam 260 and connect The front of Floor rear crossbeam 230 is connect between floor side member 120 and is spaced on, bearing frame 700 can also include back seat Chair installs crossbeam 260, so as to increase the quantity of battery tray 610 with the installation point of bearing frame 700, is conducive to keep electricity The mounting stability of Chi Bao, and when this disclosure relates to bearing frame 700 as body structure Path of Force Transfer a part In use, back seat installation crossbeam 260 can also increase the Path of Force Transfer between floor side member 120.
When the bearing frame 700 is used to install battery tray 610, front beam 210 is formed as battery pack installation front beam, Longitudinal floor beam 110 is formed as battery pack installation stringer, and Floor rear crossbeam 230 is formed as battery pack installation rear cross beam.Also, as schemed Shown in 14, battery tray fastener hole 701 is also provided on bearing frame 700, for fixing battery tray 610.Correspondingly, battery Outwardly extending installation trunnion 611 is provided on the edge of pallet 610 so that the edge of battery tray 610 it is not direct with hold It carries frame 700 to contact, so as to guarantee that battery tray 610 does not bear directly to hit in collision, to protect battery pack.The peace The position of trunnion 611 and the aligned in position of battery tray fastener hole 701 are filled, and coaxially offers battery tray mounting hole 612, battery tray 610 to be mounted on bearing frame 700 by fastener.Specifically, battery tray fastener hole 701 and electricity Pond pallet mounting hole 612 can be formed as one-to-one multiple, for example, dividing in the leading edge of battery tray 610 and back edge Battery tray mounting hole 612 there are two not opening up, and two battery tray mounting holes 612 are arranged along corresponding edge interval.
As shown in figure 23, link position of the longitudinal floor beam 110 on front beam 210 and front longitudinal beam 100 are in front beam 210 Link position can be staggered in the lateral direction, and longitudinal floor beam 110 relative to front longitudinal beam 100 more outward.In order to make preceding cross Beam 210 and the connection of longitudinal floor beam 110 are stronger, promote the durability of body structure, as shown in figure 23 and figure 24, front beam 210 can be set reinforcing beam 310, reinforcing beam 310, front beam 210 and longitudinal floor beam 110 with the junction of longitudinal floor beam 110 Form triangular structure.The front end of reinforcing beam 310 is connect with front beam 210, the rear end of reinforcing beam 310 and the longitudinal floor beam 110 connections.By the way that reinforcing beam 310 is arranged, so that front beam 210 and the junction of longitudinal floor beam 110 are strengthened, and increase Path of Force Transfer.
In order to preferably transmit and disperse impact force, the front end of reinforcing beam 310 can be with the back-end location pair of front longitudinal beam 100 It answers.Reinforcing beam 310 can be straight beam (referring to fig. 2 3), or Curved beam (referring to fig. 2 3).
With above-mentioned front longitudinal beam 100 on front beam 210 link position and company of the longitudinal floor beam 110 on front beam 210 It is different to connect the embodiment that position is staggered in the lateral direction, it is in alternative embodiments, preceding vertical as shown in Figure 27 and Figure 28 Beam 100 may include front longitudinal beam leading portion 100A and front longitudinal beam back segment 100B, and front longitudinal beam back segment 100B backward and is bent outwardly to connect It is connected to front beam 210, the front end of longitudinal floor beam 110 is connected to front beam 210, and company of the front longitudinal beam 100 on front beam 210 It is corresponding with link position of the longitudinal floor beam 110 on front beam 210 to connect position.
Front longitudinal beam leading portion 100A and front longitudinal beam back segment 100B can be integrally formed, can also be with split settings.For the ease of system Make, as shown in figure 28, front longitudinal beam leading portion 100A and front longitudinal beam back segment 100B split settings, before front longitudinal beam back segment 100B may include Interconnecting piece 100B1, transition part 100B2 and rear interconnecting piece 100B3, preceding interconnecting piece 100B1 connect with front longitudinal beam leading portion 100A and from Front longitudinal beam leading portion 100A extends back, and transition part 100B2 backward and extends outwardly from preceding interconnecting piece 100B1, rear interconnecting piece 100B3 It is extended back from transition part 100B2 to be connected to front beam 210.In this case, the both ends of front beam 210 can connect respectively It is connected to two threshold internal plates 500.
In this embodiment, Path of Force Transfer of the body structure when preceding touching can be with are as follows: front longitudinal beam 100- front beam 210- longitudinal floor beam 110 and threshold internal plate 500- floor side member 120.Path of Force Transfer when touching after is opposite with before touching.
In one embodiment, as shown in figure 29, body structure can also be including in left-right direction spaced two A reinforcement stringer 130 and along the longitudinal direction spaced web beam 240 and 250.Each reinforcement stringer 130 is connected to Corresponding threshold internal plate 500, to reinforce threshold internal plate 500.Each web beam is connected to two reinforcement stringers 130, Web beam 240 and 250 connects the reinforcement stringer 130 of the left and right sides.Web beam 240 and 250 and two reinforcements are vertical Beam 130 surrounds the closed loop frame of " mouth " font, which is supported between the threshold internal plate 500 of the left and right sides.
In this case, when obstacle collision in side occurs for vehicle, pass through the connection reinforcement stringer in threshold internal plate 500 130, and the reinforcement stringer 130 of two sides is connected by web beam 240 and 250, it on the one hand can effectively reduce threshold The overturning of inner panel 500 deforms, and deforms on B column 800 (being connected to threshold internal plate 500) to the intrusion in indoor direction to reduce, drop It is low to be injured caused by occupant；On the other hand floor panel 300 can be substantially reduced and the lateral of threshold internal plate 500 becomes Shape, the battery pack for preventing occupant injured and being laid in 300 lower section of floor panel are impaired.
When Collision of Flank Pole occurs for vehicle, by reinforcing what stringer 130 surrounded by web beam 240 and 250 and two " mouth " font closed loop frame, can not only effectively promote the intensity of body structure, and can be by impact force from the threshold of side Inner panel 500 is directly passed to the threshold internal plate 500 of the other side, so as to be substantially reduced floor panel 300 and threshold internal plate 500 Transversely deforming, the battery pack for preventing occupant injured and being laid in 300 lower section of floor panel is impaired.Also, work as vehicle When Collision of Flank Pole, as long as the point of impingement is in the range of reinforcing stringer 130, impact force can pass through web beam 240 and 250 It is transmitted to the other side.
Especially in " mouth " font closed loop frame being reinforced stringer 130 by web beam 240 and 250 and two and being surrounded In, each both ends for reinforcing stringer 130 are supported by a web beam respectively, this to reinforce stringer 130 with very high strong Degree and rigidity, when Collision of Flank Pole occurs, reinforcing stringer 130 more effectively can pass to web beam 240 for impact force With 250.
In one embodiment, as shown in figure 30, reinforce the top that floor panel 300 is arranged in stringer 130.At other In embodiment, reinforcing stringer 130 also be can be set in the lower section of floor panel 300.Each side for reinforcing stringer 130 can be with It is connected to corresponding threshold internal plate 500, the other side can connect in floor panel 300.
Reinforcing stringer 130 can be set in any suitable lengthwise position of threshold internal plate 500, as shown in figure 30, add Strong stringer 130 for example can be set in the position generally corresponded to B column 800.Since B column 800 is connected in threshold internal plate 500, Therefore will reinforce stringer 130 and the position generally corresponded to B column 800 be set, can targetedly to threshold internal plate 500 with The connected part of B column 800 is reinforced, and deforms to more effectively reduce B column 800 to the intrusion in indoor direction.
Specifically, the front end for reinforcing stringer 130 can reinforce stringer 130 positioned at the front of the leading edge 801 of B column 800 Rear end can be located between the leading edge 801 and back edge 802 of B column 800.Reinforce the length of stringer 130 for example can for 300~ 500mm.In some possible embodiments, the front end for reinforcing stringer 130 can extend to position corresponding with A column, rear end Back seat installation crossbeam can be extended to.
Spacing between web beam 240 and 250 is (that is, the front of the back edge of web beam 240 and web beam 250 The distance between edge) it can be 250-350mm, and the web beam 250 being located behind in two web beams can be in vehicle Transverse direction on generally corresponded to B column 800.In some possible embodiments, web beam 240 can move forward to and A column Corresponding position, web beam 250 can be moved back to back seat installation crossbeam front and neighbouring back seat installation crossbeam setting.
In one embodiment, in order to improve the installation strength of front chair, guarantee the safety of front-row occupant, reinforce horizontal Front chair installation point can be set on beam 240 and 250, that is to say, that web beam 240 and 250 can be respectively front chair Crossbeam is installed after preceding installation crossbeam and front chair.Certainly, in other embodiments, front chair installation point also can be set by In the region that web beam 240 and 250 and two reinforcement stringers 130 surround.
When the lower section of floor panel 300 is arranged in reinforcement stringer 130, web beam 240 and 250 also be can be set on ground The lower section of plate face plate 300 is simultaneously connect with the lower surface of floor panel 300.In this case, if by 240 He of web beam 250 use as installation crossbeam after installing crossbeam and front chair before front chairs, then can floor panel 300 and web beam Corresponding position aperture, in order to which fastener can pass through floor panel 300 to be connected to web beam.
Reinforcing stringer 130 can have various structures appropriate.In one embodiment, in order to make reinforce stringer 130 With higher structural strength, as shown in figure 34, downwardly open groove-like structure can be formed as by reinforcing stringer 130, and be wrapped It includes the reinforcement side rail inner wall 132 being oppositely arranged and reinforces stringer lateral wall 133, and the connection reinforcement side rail inner wall 132 and reinforce stringer lateral wall 133 reinforcement stringer roof 131.
In this case, for the ease of connecting with threshold internal plate 500 and floor panel 300, reinforce side rail inner wall 132 Lower edge could be formed with reinforce side rail inner wall flange 130a, reinforce stringer lateral wall 133 lower edge could be formed with Reinforce stringer lateral wall flange 130b.Wherein, the upper surface for reinforcing side rail inner wall flange 130a and floor panel 300 overlaps, The inner panel roof 501 for reinforcing stringer lateral wall flange 130b and threshold internal plate 500 overlaps, and reinforces stringer lateral wall flange The position of 130b can be higher than the position for reinforcing side rail inner wall flange 130a.
Further, the closed groove-like structure in rear and front end can be formed as by reinforcing stringer 130, and further include opposite set The front bulkhead 134 and aft bulkhead 135 set, wherein front bulkhead 134 is formed in the leading edge for reinforcing stringer roof 131 and connection Reinforce side rail inner wall 132 and reinforce stringer lateral wall 133, aft bulkhead 135 is formed in the back for reinforcing stringer roof 131 It edge and connects the reinforcement side rail inner wall 132 and reinforces stringer lateral wall 133, before the lower edge of front bulkhead 134 is formed with End wall flange 130c, the lower edge of aft bulkhead 135 are formed with aft bulkhead flange 130d, front bulkhead flange 130c and aft bulkhead flange 130d is overlapped with the upper surface of floor panel 300.Groove-like structure closed at both ends is designed to by the way that stringer 130 will be reinforced, one Aspect further increases the intensity for reinforcing stringer 130, is conducive to the transmitting of impact force when side collision；On the other hand make The inside for reinforcing stringer 130 is formed as closed space, there will be neither sundries entrance in this way, and reinforces when vehicle travels vertical The inside of beam 130 will not generate air flowing, to reduce noise.
Reinforcing stringer 130 can be integrally formed, and can be formed by connecting by multiple portions.In the present embodiment, in order to just In production, as shown in figure 35, outer halfbody 130A and interior halfbody 130B, outer halfbody can be divided into along its transverse direction by reinforcing stringer 130 130A and interior halfbody 130B is overlapped.Wherein, reinforce stringer lateral wall 133 and reinforcement stringer lateral wall flange 130b is formed in outer half On body 130A, reinforces side rail inner wall 132 and reinforcement side rail inner wall flange 130a is formed on interior halfbody 130B.
As shown in Figure 33 and Figure 40, for the ease of connecting with threshold internal plate 500, the left and right sides of floor panel 300 can be with With floor panel flange 300B.In one embodiment, floor panel flange 300B is corresponding with 130 position of stringer is reinforced Part has L shape cross section, and other parts have linear type cross section.
In other words, as shown in figure 40, floor panel flange 300B may include corresponding with 130 position of stringer is reinforced the One section of flange 300B1, and turned over positioned at the second segment flange 300B2 in the front of first segment flange 300B1 and/or positioned at first segment The third section flange 300B3 at the rear of side 300B1.Wherein, the cross section of first segment flange 300B1 is L-shaped (that is, first upwards Fold, then fold outward), it is overlapped with the roof of the inner panel roof 501 with threshold internal plate 500.Second segment flange 300B2 and/or The cross section of third section flange 300B3 can be in linear type (that is, flipping up), with the inner panel side wall with threshold internal plate 500 503 overlap joints.In this case, in order to guarantee reinforce stringer 130 and threshold internal plate 500 connection reliability, raising vehicle body knot The collision safety performance of structure reinforces the inner panel top of stringer lateral wall flange 130b, first segment flange 300B1 and threshold internal plate 500 Wall 501 can be welded together with three stackings.
For the ease of applying sealant between first segment flange 300B1 and inner panel roof 501 to prevent indoor water inlet, one In kind embodiment, as shown in figure 43, the outer edge 300B11 of first segment flange 300B1, which can be protruded from, reinforces stringer lateral wall The outer edge 130b1 of flange 130b.
In the disclosure, web beam and reinforcement stringer can be linked together by any suitable mode.
In one embodiment, it is formed as shown in Figure 35 and Figure 39, on interior halfbody 130B there are two gap 130e, is reinforced The end of crossbeam 240 and 250 passes through corresponding gap 130e to extend into the inside for reinforcing stringer 130 (that is, it is vertical to extend into reinforcement In the cavity that beam 130 and floor panel 30 are formed), that is to say, that reinforce stringer 130 and is crossed on web beam 240 and 250. Gap 130e can be the shape to match with the cross section of web beam 240 and 250, such as can be " ∩ " shape.Gap The edge of 130e is formed with gap flange 130f, and gap flange 130f and web beam overlap, so as to reinforce stringer and reinforce horizontal Beam connection.
In an alternative embodiment, stringer 130 can be reinforced between web beam 240 and 250 by reinforcing stringer 130 Both ends can be connected to web beam 240 and 250.
The end of each web beam can be directly connected to threshold internal plate 500, can not also be connected with threshold internal plate 500 It connects.
In one embodiment, as shown in figure 42, between the end of each web beam and corresponding threshold internal plate 500 It can have gap a, gap a for example can be 2~8mm.In this case, when side collision occurs, threshold internal plate 500 pass to impact force the reinforcement stringer 130 being attached thereto, which passes to web beam 240 for impact force With 250, impact force is passed to the reinforcement stringer 130 of the other side, the reinforcement stringer 130 of the other side by web beam 240 and 250 Impact force is passed to the threshold internal plate 500 being attached thereto again.When 500 stress of threshold internal plate be squeezed and deformed and with web beam When end contacts, a part of impact force is directly passed to web beam 240 and 250, another part impact force by threshold internal plate 500 Web beam 240 and 250 is indirectly transferred to by reinforcing stringer 130.Between between the end and threshold internal plate 500 of web beam Gap a can guarantee that threshold internal plate 500 has certain deformation buffer space, to absorb local collision energy.
As shown in Figure 33 and Figure 40, the centre gangway 300A to raise upward is formed on floor panel 300.For the ease of cloth The web beam 240 and 250 for extending transversely through floor panel 300 is set, in one embodiment, centre gangway 300A can have Height more lower than common centre gangway, for example, the height of centre gangway 300A can be less than 50mm.The cross of centre gangway 300A Section is in downwardly open U-shaped, and including centre gangway roof 300A1 and two centre gangway side wall 300A2.
Web beam 240 and 250 can be respectively positioned on the top of floor panel 300 and across centre gangway 300A.
In one embodiment, as shown in Figure 30, Figure 36 and Figure 46, front is located in two web beams 240,250 Web beam 240 may include spaced two upper beam sections 241 and connection two upper beam sections 241 lower beam section 242.Each upper beam section 241 is located at the top of floor panel 300 and is connected to corresponding reinforcement stringer 130, lower beam section 242 The lower section of centrally located channel 300A.Upper beam section 241, centre gangway side wall 300A2 and lower beam section 242 can be with three stacking welderings Together.
Specifically, as shown in figure 36, upper beam section 241 can be formed as downwardly open groove-like structure, and including two The upper beam section roof 2411 of two upper beam section side walls 2412 of a upper beam section side wall 2412 being oppositely arranged and connection, upper cross The lower edge of beam section side wall 2412 is formed with the upper beam section side wall flange 241a extended in left-right direction, and upper beam section side wall turns over The upper surface of side 241a and floor panel 300 overlaps.
As shown in figure 37, lower beam section 242 can be formed as the groove-like structure of upward opening, and set relatively including two The lower beam section bottom wall 2421 for the two lower beam section side walls 2422 of lower beam section side wall 2422 and connection set, lower beam section side wall 2422 top edge be formed with the lower beam section side wall flange 242a, lower beam section side wall flange 242a that extend in left-right direction with The lower surface of floor panel 300 overlaps.
At centre gangway side wall 300A2, upper beam section side wall flange 241a, centre gangway side wall 300A2 and lower beam Section side wall flange 242a can be welded together with three stackings.
As shown in figure 46, upper beam section 241 extends to centre gangway roof far from one end of threshold internal plate 500 On 300A1, and at centre gangway roof 300A1, upper beam section side wall flange 241a, centre gangway roof 300A1 and under Beam segments side wall flange 212 can be welded together with three stackings.
Here, in side collision, lower beam section 242 functions not only as a part of web beam 240 to transmit collision Power, and centre gangway 300A can be reinforced, prevent centre gangway 300A from occurring in side collision from two sides in Between the phenomenon that huddling up, further decrease the transversely deforming of floor panel 300.
The web beam being located behind in two web beams, i.e., rear web beam 250 can be located at floor panel 300 Top and extend past centre gangway 300A.By reducing the height of centre gangway 300A, make it possible to reduce web beam 250 The difference in height of each section guarantees that web beam 250 has preferable continuity and straightness, is conducive to the transmitting of impact force.
As shown in figure 38, web beam 250 can be formed as downwardly open groove-like structure, and set relatively including two The rear web beam roof 251 of web beam side wall 252, rear to reinforce cross after the rear web beam side wall 252 set and connection two The lower edge of beam side wall 252 is formed with the rear web beam side wall flange 250a extended in left-right direction, rear web beam side wall The upper surface of flange 250a and floor panel 300 overlaps.
It similarly, as shown in Figure 32 and Figure 33, can also be corresponding with web beam 250 in the lower section of centre gangway 300A Centre gangway reinforcing beam 430 is arranged in position, and the both ends of the centre gangway reinforcing beam 430 are connected to centre gangway side wall 300A2 simultaneously It is connected with web beam 250.In side collision, centre gangway reinforcing beam 430 can not only prevent centre gangway 300A from occurring The phenomenon that huddling up from two sides to centre, reduces the transversely deforming of floor panel 300, and can assist in the transmitting of web beam 250 A part of impact force avoids web beam 250 from being deformed in stress raiser.
In side collision, either in the collision of side obstacle or Collision of Flank Pole, threshold internal plate 500 is collided Impact, slight deformation energy-absorbing, and transmit the force to longitudinal floor beam 110 and reinforce stringer 130, while by power toward after Chinese herbaceous peony and vehicle In addition transmitting is transmitted to across impact forces that side can be collided such as front beam 210, the web beams 240 and 250 controlled Side disperses side collision force, has the function that protect crew module and battery pack.
In a kind of embodiment of the body structure of the disclosure, two closed loop frames are formed below floor panel 300 Structure, comprising:
One, the closed loop frame surrounded by front deck crossbeam 220, two front longitudinal beams 100, front beams 210, the closed loop frame structure Can: firstly, the impact load in front is born, including the primary collision load transmitted by Path of Force Transfer and driving motor etc. Retreat collision impact；Second, closed frame-shaped structure has stronger stability, and in actually manufacture, passes through setting Beam wall thickness appropriate and the strength of materials, it can be ensured that inhibit the intrusion deformation of crew module front front panel；Third, the frame shape The reinforcement structure that structure is formed with the outside link plate 420 that 100 outside of front longitudinal beam is arranged in can effectively adapt to such as small biasing and touch Equal wheels have the serious deformation tendency that retreats to collide operating condition, it is ensured that inhibit the deformation of rear A column and threshold internal plate 500；4th, pass through Front deck crossbeam 220 is to the robust structure between front beam 210, the collection that wheel in front stringer and small offset collision can be applied Middle load maximumlly disperses to be transferred in the threshold internal plate 500 and longitudinal floor beam 110 of crew module two sides, and then further passes It is delivered to vehicle body rear, to realize the deformation of crew module when touching before normal stress more effectively avoids；
Two, the closed loop frame that bearing frame 700 is constituted, the closed loop frame at least have the advantages that first, touch in satisfaction The arrangement areas space of energy storage battery can be provided under conditions of safe deformation requirement to the maximum extent by hitting, and improve continuation of the journey over long distances Performance requirement；Second, which provides a kind of simple and easy assembly method for energy storage battery packet, and in space cloth Set the electric heating management that the energy storage battery with intensive feature is disposed with inside conducive to battery pack；Third, the closed loop frame with The geometric position of crew module is substantially aligned on upper and lower position, so that the anticollision to the frame structure or occupant's cabin structure deforms Improvement can all play the role of protecting occupant and energy storage battery packet simultaneously；4th, which is easier to make structure Harmonious preferable design, readily satisfies the requirement of the balancing performance of different parts.To sum up, two structures are on the one hand Colliding forces can be made to be evenly dispersed on each beam, additionally it is possible to which the element of front part of vehicle is arranged in backstop, avoids such as motor The power device of equal vehicles is because collision impact moves backward invasion crew module or squeezes the battery being located at below floor panel 300 Packet causes collision secondary injury.
In a kind of embodiment of the body structure of the disclosure, a closed loop frame knot is formed on floor panel 300 Structure, that is, " mouth " font closed loop frame being reinforced stringer 130 by web beam 240 and 250 and two and being surrounded, the closed loop frame is not The intensity of body structure only can be effectively promoted, and impact force can be directly passed to separately from the threshold internal plate 500 of side The threshold internal plate 500 of side, so that floor panel 300 is not involved in substantially or power transmission and energy-absorbing are collided in less participation, so as to It is substantially reduced the transversely deforming of floor panel 300 and threshold internal plate 500, prevent occupant injured and is laid in floor panel 300 The battery pack of lower section is impaired.Each both ends for reinforcing stringer 130 are supported by a web beam respectively, this to reinforce stringer 130 strength and stiffness with higher are reinforced stringer 130 and are unlikely to deform, so as to more effective when Collision of Flank Pole occurs Impact force is passed to web beam 240 and 250 by ground.
The foregoing describe setting between stringer 130 is reinforced at two, there are two the embodiment party for the web beam being parallel to each other Formula.In an alternative embodiment, can also be only by a web beam connection between two reinforcement stringers 130, or pass through Two web beam connections arranged in a crossed manner.
Electric car can be using the vehicle of the body structure of the disclosure, be also possible to fuel-engined vehicle.In the vehicle In the case where for electric car, as shown in figure 47, which may include front motor 710, preceding automatically controlled 720, rear motor 730 With rear automatically controlled 740.Wherein, front motor 710 and preceding automatically controlled 720 the front panel 320 is set front, rear motor 730 and after Automatically controlled 740 are arranged in the rear of battery pack 600.
Specifically, front motor 710 can be mounted on the front longitudinal beam 100 by fore sub frame, and preceding automatically controlled 720 can lead to Front deck bracket is crossed to be mounted on the front longitudinal beam 100.Afterwards motor 730 can be mounted on by Rear secondary frame for vehicle on floor side member 120 and It may be mounted on floor panel 300 positioned at the rear of battery pack 600, rear automatically controlled 740.
After floor panel 300 is with the rear automatically controlled installation region for after installing automatically controlled 740 and for installing back seat Seat installation region, rear automatically controlled installation region are located at the rear of back seat installation region and are spaced apart with back seat installation region. Automatically controlled 740 energization and power-off that can be used for controlling battery pack 600 afterwards.
In order to after the protection when colliding below automatically controlled 740, in one embodiment, as shown in Figure 50 and Figure 51, Floor side member 120 can successively include the first section I, the second section II, third section III and the 4th section IV from back to front, In, the second section II it is corresponding with the rear automatically controlled installation region of floor panel 300 in the transverse direction (that is, with rear automatically controlled 740 It is corresponding in the transverse direction of vehicle), the intensity of the second section II is greater than the intensity of the first section I, and strong greater than third section III Degree.Appended drawing reference 270 represents rear anti-collision cross beam in figure.
Since the intensity of the second section II is greater than the intensity of the first section I and third section III, after vehicle occurs When face is collided, compared to the first section I and third section III, the second section II, which is crushed or is not crushed later, (to be collided In the lesser situation of power) so that automatically controlled 740 deformation or indeformable later after laterally corresponding with the second section II, with Automatically controlled 740 after protection, it can thus make rear automatically controlled 740 to there is the sufficient time to power off to control battery pack 600, avoid in battery pack 600 generate the even danger such as explosion of catching fire when being squeezed.
In one embodiment, the intensity of third section III can be greater than the intensity of the first section I, that is to say, that the The intensity of one section I is minimum, and third section III takes second place, the maximum intensity of the second section II.In this case, when vehicle is sent out When raw rear collision, if impact force is smaller, only the first section I is crushed；If impact force is larger, the first section I is first It is first crushed, then third section III is crushed；If impact force is excessive, the first section I is crushed first, then third Section III is crushed, and the second last section II is crushed.
In one embodiment, the interface P-P of third section III and the 4th section IV can be located at floor panel The rear of 300 back seat installation region, that is, back seat is located in the range that the 4th section IV is corresponded in the lateral direction of the vehicle, That is back seat installation crossbeam 260 can connect in the 4th section IV, and the intensity of the 4th section IV can be greater than third The intensity of section III.Further, the intensity of the 4th section IV can be greater than the intensity of the second section II.By by the 4th area Section IV is designed as having biggish intensity, so that the 4th section IV is not easy to be crushed, to protect when rear collision occurs for vehicle Demonstrate,prove the safety of heel row occupant.
Crossbeam is installed after Floor rear crossbeam 230 is as battery pack in use, third section III's and the 4th section IV divides Interface P-P can be located at the rear of Floor rear crossbeam 230, that is, Floor rear crossbeam 230 is connected to the 4th section of floor side member 120 IV.By the way that the 4th section IV is designed as having biggish intensity, so that the 4th section IV is not when rear collision occurs for vehicle It is easily crushed, to guarantee the safety of battery pack.
More specifically, in one embodiment, as shown in figure 51, the body structure can also include floor lower beam 280, which is arranged in the lower surface of floor panel 300 and is located at the rear of Floor rear crossbeam 230, under floor The both ends of crossbeam 280 are connected to the floor side member 120 of the left and right sides, and the posterior border position of floor lower beam 280 is in third section On the interface P-P of III and the 4th section IV.In other words, floor lower beam 280 is connected to the rear end of the 4th section IV.It is logical Connection floor lower beam 280 is crossed, so that the intensity of the 4th section IV is improved.
Floor lower beam 280 is beam intrinsic on body structure, and floor lower beam 280 is connected to the indent of floor side member 120 At point, deformation is bent at interior concave point for preventing.As shown in figure 50, the top of rear floor panel 300 is also provided with and ground The corresponding floor upper beam 290 in 280 position of plate lower beam, floor upper beam 290, rear floor panel 300 and floor lower beam 280 It links together.In this case, third section III in the transverse direction can be with floor panel 300 positioned at floor Region between upper beam 290 and rear automatically controlled installation region is corresponding.
Meanwhile Floor rear crossbeam 230, floor lower beam 280 and two floor side members 120 surround closed loop frame structure, this is closed Ring frame structure can increase the intensity of body structure, improve the stability of body structure.When side collision occurs for vehicle, ground Impact force can be directly passed to the rear vertical of the other side from the floor side member 120 of side by plate rear cross beam 230 and floor lower beam 280 Beam 120 reduces floor so that floor panel 300 is not involved in substantially or power transmission and energy-absorbing are collided in less participation so as to limit The transversely deforming of panel 300 and floor side member 120.
In the disclosure, floor side member 120 can have any suitable structure, as long as the strength relationship of its each section meets Requirements above.
In one embodiment, as shown in figure 48, floor side member 120 may include floor side member leading portion 121 interconnected With floor side member back segment 122, floor lower beam 280 and Floor rear crossbeam 230 be can connect after floor side member leading portion 121, floor side member Floor side member back segment reinforcement structure and floor side member back segment weakening structure are provided in section 122, and floor side member back segment weakening structure is located at the One section I, floor side member back segment reinforcement structure are located at the second section II.
As shown in figure 49, the floor side member back segment weakening structure can be the crumple muscle being arranged on floor side member back segment 122 1223 and/or crumple hole.
As shown in figure 49, the cross section of floor side member back segment 122 is in the groove-like structure of upward opening, and including back segment bottom wall 1221 and two back segment side walls 1222, two back segment side walls 1222 be oppositely arranged, back segment bottom wall 1221 connect two back segment side walls 1222。
As shown in Figure 48, Figure 54 and Figure 55, the floor side member back segment reinforcement structure may include being arranged in floor side member back segment Floor side member back segment stiffening plate 125 inside 122, the rear end of floor side member back segment stiffening plate 125 extend to the second section II and first The interface M-M of section I, the front end of floor side member back segment stiffening plate 125 extend to the boundary of the second section II and third section III Face N-N.By the way that floor side member back segment stiffening plate 125 is arranged, the second section II can be reinforced.
Floor side member back segment stiffening plate 125 can be directly attached on back segment bottom wall 1221.In one embodiment, as schemed Shown in 55, floor side member back segment stiffening plate 125 can be spaced with back segment bottom wall 1221 to be arranged, and the floor side member back segment reinforcement structure is also It may include floor side member back segment fagging 126A, the 126B being supported between back segment bottom wall 1221 and floor side member back segment stiffening plate 125, Floor side member back segment stiffening plate is connected to floor side member back segment 122 by floor side member back segment fagging 126A, 126B.Floor side member back segment fagging 126A, 126B can be one, or multiple.It is shown in embodiment in Figure 55, floor side member back segment fagging 126A, 126B Including preceding fagging 126A and rear stay plate 126B.Preceding fagging 126A is in " several " font, is used to support floor side member back segment stiffening plate 125 Front and middle part；Rear stay plate 126B is "Z"-shaped, is used to support the rear portion of floor side member back segment stiffening plate 125.
In one embodiment, the front end of floor side member back segment 122 can extend to the second section II and third section III Interface N-N, that is to say, that the front end of floor side member back segment 122 is concordant with the front end of floor side member back segment stiffening plate 125, rear vertical The length of beam back segment 122 is equal to the sum of the length of the first section I and the second section II.
Stiffening plate 124 after floor side member leading portion, stiffening plate 124 after floor side member leading portion can be set on floor side member leading portion 121 It can be set in the junction of floor side member leading portion 121 and floor side member back segment 122.By setting floor side member leading portion after stiffening plate 124, The intensity that the junction of floor side member leading portion 121 and floor side member back segment 122 can be improved, prevents floor side member leading portion 121 and floor side member The junction of back segment 122 is failed or deformation, be conducive to when frontal collision or rear collision occur for vehicle impact force backward or to Front transfer improves the crashworthiness of vehicle.
Further, stiffening plate 123 in floor side member leading portion, floor side member leading portion are also provided on floor side member leading portion 121 A part of middle stiffening plate 123 is located at third section III, and another part is located at the 4th section IV.By the way that floor side member leading portion is arranged Middle stiffening plate 123 can reinforce entire third section III and the 4th section IV of part, so that third section III Intensity is greater than the intensity of the first section IV, consequently facilitating the conquassation sequence of each section of floor side member when rear collision occurs for control.
For motor 730 after the protection when rear collision or reversing occur for vehicle, in one embodiment, such as Figure 56 and Shown in Figure 57, body structure can also include rear motor collision prevention girders 440, and the both ends of the rear motor collision prevention girders 440 are connected to Two floor side members 120, rear motor collision prevention girders 440 are located at the lower section of rear floor panel 300 and are located at the rear of rear motor 730.
Pass through the motor collision prevention girders 440 after the setting of the rear of rear motor 730, on the one hand, when face is collided after occurring, rear electricity Machine collision prevention girders 440 can prevent front vehicle from directly bumping against on rear motor 730, motor 730 after effective protection；On the other hand, exist When reversing, rear motor collision prevention girders 440 can prevent ground obstacle for example, road step, ground pile etc. cause to invade to rear motor 730 Evil, motor 730 after further protecting.
Since the both ends of rear motor collision prevention girders 440 are connected to two floor side members 120 in left and right, when vehicle occurs When side collision, rear motor collision prevention girders 440 can form cross-brace between two floor side members 120, reduce 120 He of floor side member The transversely deforming of floor panel 300 afterwards.
The both ends of motor collision prevention girders 440 can connect in any appropriate location of floor side member 120 afterwards.In a kind of embodiment In, the both ends of rear motor collision prevention girders 440 can connect the second section II in floor side member 120, that is to say, that rear motor collision prevention girders 440 can be set in rear automatically controlled 740 underface.In this manner it is possible to reinforce the intensity of the second section II.
Motor collision prevention girders 440 can have any suitable structure and shape afterwards.In one embodiment, such as Figure 58 institute Show, rear motor collision prevention girders 440 may include main paragraph 441 and two linkage sections 442,441 horizontal extension of main paragraph, each connection Section 442 is upwardly extended from one end substantial inclination of main paragraph 441 to be connected to floor side member 120.Specifically, as shown in figure 58, main Body section 441 can be in linear type, and linkage section 442 can substantially be in Z-shaped.By this method, so that rear motor collision prevention girders 440 It is highly lower, thus motor 730 after preferably protecting.In one embodiment, the minimum point of rear motor collision prevention girders 440 can be with Lower than the minimum point of rear motor 730, rear motor 730 is caused to encroach on to be better protected from ground obstacle in reversing.
Battery pack 600 is arranged in the lower section of floor panel 300 and is located at the front of rear motor 730, and rear motor 730 can lead to Later subframe is mounted on floor side member 120.The lower section of the floor panel 300, cross behind floor is arranged in Floor rear crossbeam 230 The both ends of beam 230 are connected to the floor side member 120 of the left and right sides, are arranged at intervals in left-right direction in Floor rear crossbeam 230 Two battery tray mounting brackets 340 (Figure 59 and Figure 60 in visible), battery tray mounting bracket 340 is from Floor rear crossbeam 230 It extends downwardly, the rear end of battery tray 610 is mounted in two battery tray mounting brackets 340.
Motor 730 is moved forward and is bumped against in battery pack 600 after when rear collision occurs for vehicle in order to prevent, in a kind of reality It applies in mode, battery pack anti-collision structure is provided between battery pack 600 and rear motor 730, which is used for Vehicle occurs to prevent rear motor 730 from hitting battery pack 600 when rear collision, that is to say, that causes when rear collision occurs for vehicle The Forward of motor 730 is (including caused by Forward and front vehicle caused by floor side member 120 deforms directly bump against on rear motor 730 afterwards Forward) when, the motion profile of motor 730 after the battery pack anti-collision structure can change to a certain extent, so that rear motor 730 will not hit battery pack 600.
The battery pack anti-collision structure can have various structures appropriate.In one embodiment, battery pack anticollision Structure may include the guide beam 450 being obliquely installed along the longitudinal direction or directing plate, and the guide beam 450 or directing plate are forward simultaneously It extends downwardly, when rear collision occurs for vehicle, and rear motor 730 is caused to move forward, rear motor 730 bumps against guide beam 450 or directing plate On, motor 730 moves down while moving forward to avoid battery pack 600 after guide beam 450 or directing plate guidance.Also It is to say, when rear collision occurs for vehicle, and rear motor 730 is caused to move forward, the battery pack anti-collision structure can be to a certain extent The motion profile of motor 730 after change, so that rear motor 730 is moved down to avoid being located at the battery pack in rear 730 front of motor 600, prevent battery pack 600 from being hit and being squeezed.
Guide beam 450 or directing plate can be mounted on floor side member 120 in several ways.In a kind of embodiment In, as shown in Figure 59 to Figure 61, in addition to guide beam 450, battery pack anti-collision structure can also include preceding installation crossbeam 460 with after Crossbeam 470 is installed, preceding installation crossbeam 460 is connected to two battery tray mounting brackets 340, and the rear both ends for installing crossbeam 470 connect It is connected to floor side member 120, crossbeam 460 is installed before being connected in the front end of guide beam 450, and the rear end of guide beam 450 is installed after being connected to Crossbeam 470.In this way, so that the position of crossbeam 470 is installed in the position of preceding installation crossbeam 460 after being lower than, to make to draw Nose girder 450 is obliquely installed.When rear motor 730 bumps against guide beam 450, guide beam 450 itself absorbs part energy, and will Part energy installs crossbeam 470 after and is transferred to floor side member 120, and another part energy is installed crossbeam 460, battery tray before menstruation Disk mounting bracket 340 and Floor rear crossbeam 230 are transferred to floor side member 120.In this embodiment, the battery pack anticollision knot It is configured as the I-shaped structure being connected between two floor side members 120, to further strengthen body structure, improves vehicle Crashworthiness.
Guide beam 450 can be a straight beam.Alternatively, as shown in Figure 61, guide beam 450 is a bending Beam, and including first segment 451 and second segment 452, first segment 451 forward and extends downwardly, second segment from rear installation crossbeam 470 452 extend forward from 451 general horizontal of first segment to be connected to preceding installation crossbeam 460.In this way, so that guide beam The distance between 450 and rear motor 730 are closer, and rear motor 730 can touch guide beam 450 earlier, convenient for electricity after control The direction of motion of machine 730.
Here, installation crossbeam 470 can be the intrinsic beam of body structure afterwards, be also possible to independent in order to install guide beam The beam of setting.In one embodiment, as shown in figure 59, installation crossbeam 470 for example can be under floor mentioned above afterwards Crossbeam 280.
It is different from the above-mentioned embodiment moved using motor 730 after guide beam or directing plate guidance, in substitution embodiment party In formula, the battery pack anti-collision structure may include backstop crossbeam or baffle plate, and the backstop crossbeam or baffle plate are connected to described Floor side member 120 and be arranged between battery pack 600 and rear motor 730, for the electric car occur rear collision when hinder The rear motor 730 is kept off to move forward.The backstop crossbeam substantially can be " U "-shaped.
Based on the above technical solution, the disclosure also provides a kind of vehicle, which includes the vehicle that the disclosure provides Body structure, therefore, all advantages and beneficial effect of the body structure which there is the disclosure to provide are unnecessary to reduce It repeats, details are not described herein.Specifically, which can be electric car, so that body structure adapts to the peace of battery pack Dress.
The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure Monotropic type, these simple variants belong to the protection scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the disclosure to it is various can No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally Disclosed thought equally should be considered as disclosure disclosure of that.

Claims (14)

1. a kind of body structure, which is characterized in that including spaced two front longitudinal beams (100) in left-right direction, along left and right Spaced two longitudinal floor beams (110) in direction, in left-right direction spaced two floor side members (120) and preceding cross Beam (210), the body structure by preceding touch or after touch when, impact force correspondingly passes forward or backwards in the following order It passs: the front longitudinal beam (the 100)-front beam (the 210)-longitudinal floor beam (the 110)-floor side member (120).
2. body structure according to claim 1, which is characterized in that the body structure further includes floor panel (300), The front beam (210), the longitudinal floor beam (110) and the floor side member (120) are all connected to the floor panel (300) Lower surface.
3. body structure according to claim 2, which is characterized in that the body structure further includes two threshold internal plates (500), described two threshold internal plates (500) are separately positioned on the left and right sides of the floor panel (300), the threshold internal plate (500) it forward extends out in the front beam (210), and the front end of the threshold internal plate (500) and the front beam (210) edge Distance is less than 1000mm in the front-back direction.
4. body structure according to claim 3, which is characterized in that the side of the longitudinal floor beam (110) is connected to pair The threshold internal plate (500) answered, the other side is connected to the lower surface of the floor panel (300).
5. body structure according to claim 1, which is characterized in that the rear end of the front longitudinal beam (100) is connected to described Front beam (210), the longitudinal floor beam (110) are connected to the front beam (210), and the rear end of the longitudinal floor beam (110) connects It is connected to corresponding floor side member (120).
6. body structure according to claim 5, which is characterized in that the width of the front longitudinal beam (100) in left-right direction Maximum with the front beam (210) junction.
7. body structure according to claim 5, which is characterized in that the front longitudinal beam (100) is in the front beam (210) On link position be staggered in left-right direction with link position of the longitudinal floor beam (110) on the front beam (210).
8. body structure according to claim 5, which is characterized in that the front end of the longitudinal floor beam (110) is connected to institute The both ends for stating front beam (210) or the front beam (210) are connected to described two longitudinal floor beams (110).
9. body structure according to claim 5, which is characterized in that the body structure further includes outside link plate (420), The outside link plate (420) be located at the outside of the front longitudinal beam (100) and respectively with the front longitudinal beam (100) and the front beam (210) it connects.
10. body structure according to claim 5, which is characterized in that the body structure further includes interior connecting plate (410), the interior connecting plate (410) be located at the front longitudinal beam (100) inside and respectively with the front longitudinal beam (100) and described Front beam (210) connection.
11. body structure according to claim 5, which is characterized in that the front beam (210) and longitudinal floor beam (110) Junction be provided with reinforcing beam (310), the reinforcing beam (310), front beam (210) and longitudinal floor beam (110) surround triangle Shape structure.
12. body structure according to claim 1, which is characterized in that the front end of the front longitudinal beam (100) is in the horizontal plane Orthographic projection and the orthographic projection of the rear end of the front longitudinal beam (100) in the horizontal plane are not more than at a distance from being staggered in the lateral direction 80mm。
13. body structure according to claim 1, which is characterized in that the front beam (210) is installation cross before battery pack Beam, the longitudinal floor beam (110) are that battery pack installs stringer.
14. a kind of vehicle, which is characterized in that including body structure according to claim 1 to 13.
CN201710524919.4A 2017-06-30 2017-06-30 Vehicle body structure and vehicle Active CN109204557B (en)

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Cited By (4)

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