CN109204464A

CN109204464A - Body structure and vehicle

Info

Publication number: CN109204464A
Application number: CN201710524901.4A
Authority: CN
Inventors: 廉玉波; 嵇明; 刘新春; 许成; 卢淑珍
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2017-06-30
Filing date: 2017-06-30
Publication date: 2019-01-15
Anticipated expiration: 2037-06-30
Also published as: WO2019001498A1; CN109204464B

Abstract

This disclosure relates to a kind of body structure and vehicle, body structure includes front longitudinal beam (100) and front deck crossbeam (220), the front longitudinal beam (100) has main paragraph (100A) and be connected to the rear end main paragraph (100A) be turned under tune (100B), the front longitudinal beam (100) includes spaced left front girder and front right longitudinal beam in left-right direction, the front deck crossbeam (220) is installed on the left front girder and the described of the front right longitudinal beam is turned under on tune (100B), and it is at least partially situated at the lower section of the main paragraph (100A).Therefore, the strength and stability of body structure when being touched before capable of effectively being promoted, so that the crashworthiness of vehicle is higher.

Description

Body structure and vehicle

Technical field

This disclosure relates to the body structure technical field of vehicle, and in particular, to a kind of body structure and there is the vehicle body The vehicle of structure.

Background technique

The death rate and injury of occupant are farthest reduced in traffic (collision) accident of vehicle, especially passenger car Degree is the core design technology of the vehicle research and development and manufacture of passenger car.Wherein, body structure collision safety distressed structure is set Meter is the basis for improving complete automobile collision security performance.In order to meet the public to the higher and higher crashworthiness of household passenger car Requirement, in recent years in the relevant laws and regulations and value disciplines of the relevant department of various countries all home constantly step by step improve and supplement The experimental condition of the collision safety performance of some passenger cars.Such as the U.S. is being directed to the vehicle of its domestic market sales, more A series of its new regulation and value disciplines in relation to safety collision performance, it is desirable that born under more multi-state bigger in vehicle body member cabin Impact force 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 order to promote endurance distance, electric car needs to be equipped with more more battery packs, compares the combustion of same specification in this way Complete vehicle weight will be dramatically increased in oily vehicle, electric car, this is resulted under same experimental condition, and the collision initial stage of vehicle is whole The increase of vehicle kinetic energy, that is to say, the body structure of electric car is required to undertake bigger power and absorbs more movement energy Amount is to promote safety.Further, in electric car, due to needing to arrange battery pack, the space quilt of a large amount of body bottom sections It occupies, the vehicle body collision safety structure technology of the various classics of conventional fuel oil car is not available, therefore is designed one kind and be both able to satisfy The novel body structure technology that battery pack arrangement is able to satisfy vehicle safety again is imperative.

Summary of the invention

Purpose of this disclosure is to provide a kind of body structure and use the vehicle of the body structure.

To achieve the goals above, the disclosure provides a kind of body structure, including front longitudinal beam and front deck crossbeam, vertical before described Beam has main paragraph and is connected to the tune that is turned under of the main paragraph rear end, and the front longitudinal beam includes interval setting in left-right direction Left front girder and front right longitudinal beam, the front deck crossbeam is installed on the described of the left front girder and the front right longitudinal beam and is turned under On tune, and it is at least partially situated at the lower section of the main paragraph.

Optionally, the front deck crossbeam is at least partly connected to the bottom for being turned under tune.

Optionally, it is described be turned under tune be formed as the first groove-like structure of upward opening and including the first stringer bottom wall and First stringer side wall, the top edge of the opening of first groove-like structure are turned down outward to form the first stringer side wall flange, The first stringer bottom wall is connected to the rear end of the main paragraph and is bent downwardly.

Optionally, the front deck crossbeam shape becomes the second groove-like structure of upward opening, the end of second groove-like structure Portion is attached at least to described be turned under on the first stringer bottom wall of tune.

Optionally, the edge of the opening of second groove-like structure is turned down outward to be formed and be extended along the left and right directions The first flange, first flange and the first stringer side wall flange overlap.

Optionally, the end of second groove-like structure is turned down outward to form the second flange vertically extended, Second flange and the first stringer side wall overlap.

Optionally, the end of second groove-like structure is also formed with the third flange extended along the left and right directions, institute It states third flange and the first stringer bottom wall overlaps.

Optionally, the front deck crossbeam shape becomes segmentation structure, including cross-beam body and is connected to the cross-beam body The end linkage section at both ends, the opening width of second groove-like structure along the cross-beam body to the end linkage section gradually Become larger.

Optionally, described to be turned under tune and be formed with inner fovea part for avoiding wheel along wheel envelope, the front deck is horizontal Beam is arranged at the inner fovea part.

Optionally, the position that the inner wall of the front longitudinal beam corresponds to the inner fovea part is connected with stiffening plate.

Optionally, the installation point for installing subframe is provided on the main paragraph, so that the power device of vehicle The lower section of the main paragraph and the front of the front deck crossbeam are set by the subframe.

Optionally, the body structure further includes floor panel, and is connected to the front panel of the front end of the floor panel, The front of the front panel is arranged in the front deck crossbeam.

Optionally, the front deck crossbeam is connected in the front panel.

Optionally, the body structure further includes front beam, after the front beam is arranged at intervals on the front deck crossbeam Side, is connected with force transferring structure between the front deck crossbeam and the front beam.

Optionally, the front beam is the vehicle body crossbeam being fixed on floor panel lower surface.

Optionally, the front beam is the vehicle body crossbeam close to automobile body fore-cabin, or for close to the vehicle body of front panel installation Crossbeam, perhaps for close to the vehicle body crossbeam of threshold internal plate front end installation or to install the vehicle body in front of crossbeam set on front chair Crossbeam.

Optionally, the front beam is that battery pack installs front beam.

Optionally, the distance that the projection in the Z-direction of the front-end and back-end of the front longitudinal beam is staggered in the Y direction is not more than 80mm。

The disclosure also provides a kind of vehicle, which includes the body structure that the disclosure provides.

Through the above technical solutions, when being touched before capable of effectively being promoted body structure strength and stability so that vehicle Security performance is higher.

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 be this disclosure relates to vehicle body crossbeam a kind of specific embodiment explosive view；

Fig. 2 is the top view that the vehicle body crossbeam that Fig. 1 is provided is applied to body structure；

Fig. 3 is the schematic diagram of the partial structurtes for the body structure that the disclosure provides, and front longitudinal beam is shown and front deck is horizontal Beam；

Fig. 4 is the perspective view of Fig. 3；

Fig. 5 is the connection relationship detail view of front longitudinal beam and front deck crossbeam in Fig. 3 and Fig. 4；

Fig. 6 is that the partial structurtes for the body structure that the disclosure provides look up view stereo figure, be shown front longitudinal beam, Front deck crossbeam, front panel and floor panel；

Fig. 7 is the schematic diagram of the bearing frame in the body structure that the disclosure provides；

Fig. 8 is another schematic diagram of the bearing frame in the body structure that the disclosure provides, and battery tray is shown；

Fig. 9 is another schematic diagram of the bearing frame in the body structure that the disclosure provides, and wherein battery tray is formed as Split type structure；

Figure 10 is a kind of mode of texturing of bearing frame in Fig. 7, and wherein the bearing frame further includes threshold internal plate；

Figure 11 is the connection relationship detail view of front beam in Figure 10, longitudinal floor beam and threshold internal plate；

Figure 12 is the connection relationship detail view of front beam and longitudinal floor beam in Figure 10；

Figure 13 is the connection relationship detail view of front beam and threshold internal plate in Figure 10；

Figure 14 is the detail view at another visual angle of the connection relationship of front beam and threshold internal plate in Figure 10；

Figure 15 is the schematic diagram of the first embodiment of force transferring structure in the body structure of disclosure offer；

Figure 16 is the connection relationship detail view of front longitudinal beam and front beam in Figure 15；

Figure 17 is one embodiment of the first embodiment of force transferring structure in the body structure of disclosure offer, wherein Show interior connecting plate；

Figure 18 is another embodiment of the first embodiment of force transferring structure in the body structure of disclosure offer, In show outside link plate；

Figure 19 is the first embodiment of second of embodiment of force transferring structure in the body structure of disclosure offer；

Figure 20 is the connection relationship detail view of front longitudinal beam and front deck crossbeam in Figure 19；

Figure 21 is another visual angle detail view of the connection relationship of front longitudinal beam and front deck crossbeam in Figure 19；

Figure 22 is the connection relationship detail view of connecting plate and front deck crossbeam in Figure 19；

Figure 23 is the connection relationship detail view of connecting plate and front beam in Figure 19；

Figure 24 is the second embodiment of second of embodiment of force transferring structure in the body structure of disclosure offer；

Figure 25 is the third embodiment of second of embodiment of force transferring structure in the body structure of disclosure offer；

Figure 26 is the 4th embodiment of second of embodiment of force transferring structure in the body structure of disclosure offer；

Figure 27 is the 5th embodiment of second of embodiment of force transferring structure in the body structure of disclosure offer；

Figure 28 is the schematic diagram of the third embodiment of force transferring structure in the body structure of disclosure offer；

Figure 29 is the detail view of the connection relationship of connecting plate and threshold internal plate in Figure 28；

Figure 30 is the schematic diagram of the 4th kind of embodiment of force transferring structure in the body structure of disclosure offer；

Figure 31 is the detail view of the connection relationship of connecting plate and longitudinal floor beam in Figure 30；

Figure 32 is the structural schematic diagram of floor panel upper surface in the body structure of disclosure offer, and horizontal pressure is shown Plate and centre gangway cover board；

Figure 33 is the positional diagram of horizontal pressing plate, floor panel and front beam in Figure 32；

Figure 34 is that floor panel looks up view stereo figure in body structure that the disclosure provides, wherein centre gangway and before Gap is formed between crossbeam；

Figure 35 is the schematic diagram of the mode of texturing of the intermediate gap Figure 34；

Figure 36 is the connection relationship diagram of centre gangway cover board and front deck crossbeam in the body structure of disclosure offer；

Figure 37 is the connection relationship diagram of centre gangway cover board and front panel in the body structure of disclosure offer；

Figure 38 is another structural schematic diagram of floor panel upper surface in the body structure of disclosure offer；

Figure 39 is the positional diagram of horizontal pressing plate, end compression plate, floor panel and front beam in Figure 38；

Figure 40 is the details enlarged drawing of Figure 39；

Figure 41 is the positional diagram that press plate connection board and front longitudinal beam are indulged in Figure 38；

Figure 42 is a kind of top view of the embodiment for the body structure that the disclosure provides；

Figure 43 is a kind of bottom view of the embodiment for the body structure that the disclosure provides；

Figure 44 is a kind of perspective view of the embodiment for the body structure that the disclosure provides；

Figure 45 is a kind of another view stereo figure of the embodiment for the 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, wherein arrow be directed toward side be " preceding ", otherwise be " rear "；Y-direction is the left and right directions of vehicle, wherein arrow The side that head is directed toward is " right side ", otherwise is " left side "；Z-direction is the up and down direction of vehicle, wherein the side that arrow is directed toward is "upper" It otherwise is "lower"；" inside and outside " is defined on the basis of the profile of corresponding component, such as the vehicle defined on the basis of vehicle's contour Outside interior and vehicle, the side in the middle part of vehicle is "inner", otherwise is "outside".It is defined above to be only used for aiding in illustrating the disclosure, no It should be understood as limiting.

In addition, " crossbeam " all in the disclosure refers to the beam extended along left and right vehicle wheel direction, all " stringer " refers to The beam extended along vehicle front-rear direction.Wherein " front longitudinal beam " refers in body structure that anti-collision beam extends back vertical before vehicle Beam." floor side member " refers to the stringer previously extended in body structure from the rear anti-collision cross beam of vehicle.Wherein stringer is usually two And about the front-rear center line of vehicle be symmetrical arranged, such as " front longitudinal beam " generally include it is spaced " left front in left-right direction Stringer " and " front right longitudinal beam ".In addition, " preceding to touch " in the disclosure refers to the case where front of vehicle is by hitting, " side impact " is Refer to the case where side of vehicle is by hitting.In addition, in the case where other no specific explanations, in each embodiment of the disclosure The nouns such as " front panel " that is related to, " floor panel ", " threshold internal plate " are meant that its common art-recognized meanings in the art.

In addition, in the case where not doing specified otherwise and limiting, the arts such as " connection ", " installation ", " connected ", " fixation " Language can do extensive interpretation, can be for example, by the non-removable modes such as welding, dismountable mode such as bolt, or molding Etc. integrally formed mode etc., well known to a person skilled in the art modes to realize.

The disclosure will be described in detail some embodiments in conjunction with respective drawings below.Wherein for ease of description, The disclosure first introduces some components in the disclosure first.Example vehicle body crossbeam described as follows.

[vehicle body crossbeam]

According to the disclosure in a first aspect, providing a kind of vehicle body crossbeam 200.The first of the disclosure is shown in Fig. 1 and Fig. 2 A kind of specific embodiment for the vehicle body crossbeam 200 that aspect provides.Wherein, which may include channel-shaped crossbeam sheet Body and supporting element, which is connected to channel-shaped cross-beam body and surrounding at least partly channel-shaped cross-beam body has closing horizontal The support construction in section, which can increase the intensity of vehicle body crossbeam 200, to be reasonably resistant to along the longitudinal direction Active force, such as collision impact.

When the vehicle body crossbeam 200 that disclosure first aspect provides is applied to body structure, which can be served as The bearing structure of vehicle other elements, such as used as battery pack installation crossbeam (such as battery pack installation front beam).In vehicle It is touched before generation, i.e., when vehicle is hit along the longitudinal direction, for the vehicle body crossbeam 200 for absorbing Impact energy, this has closing The support construction of cross section makes that the integral strength of vehicle body crossbeam 200 is higher, stability is more preferable, guarantee vehicle body crossbeam 200 by To being not susceptible to deform when hitting, to avoid the battery pack for being located at battery pack installation front beam rear because being hit or being squeezed Deformation cause it is possible on fire, to protect vehicle other component and occupant.

Specifically, channel-shaped cross-beam body may include crossbeam bottom wall 201 and the crossbeam side positioned at 201 two sides of crossbeam bottom wall Wall 202, supporting element are formed as the fagging 203 being connected between beam side wall 202, so that channel-shaped cross-beam body and fagging 203 The support construction with hollow cross section is surrounded, to promote the intensity of vehicle body crossbeam 200, and channel-shaped cross-beam body has rule Outer profile then is conducive to increase the applicability of vehicle body crossbeam 200, facilitates the other component in vehicle body crossbeam 200 and body structure It mutually installs, such as is overlapped with front longitudinal beam 100, longitudinal floor beam 110,500 component of threshold internal plate in body structure described below.

Further, in order to guarantee the stabilization of the support construction, the side edge that fagging 203 extends in left-right direction is to turning over Folding is to form fagging flange, so that fagging 203 can be by the fagging flanging welded on two beam side walls 202.In reality In the manufacturing, reinforcement structure can also be set in the cavity that channel-shaped cross-beam body and fagging 203 surround, such as weld metal plate or filled out CBS (composite reinforcing material) material etc. is filled, the ability hit is born further to promote vehicle body crossbeam 200, reduces vehicle body crossbeam 200 deformation quantity in an impact.

Fagging 203 can be formed as any suitable structure, prolong for example formed as the length direction along channel-shaped cross-beam body The waveform plate stretched, as alternatively possible embodiment, as shown in Figure 1, fagging 203 may include and crossbeam bottom wall 201 Parallel plate 204 and the inclined plate 205 for extending to crossbeam bottom wall 201 obliquely from the left and right sides of plate 204, to collide Channel-shaped cross-beam body is preferably supported in journey, enables colliding forces by plate 204 and inclined plate 205 from side crossbeam side Wall 202 is transferred to other side beam side wall 202, is conducive to the dispersion of collision energy, improves and only passes through plate 204 for collision effect Power is transferred to other side beam side wall 202 from side beam side wall 202, and then the impact for avoiding unilateral beam side wall 202 from bearing It is excessive and bending or damaged occurs, cause the injury to vehicle other elements or passenger.

Specifically, fagging 203 can be in several font structures in left-right direction, and several font structures include plate 204 and inclined plate 205, and the end plate 206 extended from inclined plate 205 along crossbeam bottom wall 201, end plate 206 is posted and fixed on crossbeam bottom wall 201, Specific fixed form can be welding, that is, the fagging 203 all has and connect with crossbeam bottom wall 201 and two sides beam side wall 202 Relationship, so as to guarantee the hollow cross section support construction stabilization, avoid causing because of collision fagging 203 and channel-shaped horizontal The separation of beam ontology.

In order to further enhance the intensity of vehicle body crossbeam 200, it is disposed with the fagging extended along the longitudinal direction on fagging 203 and adds Strengthening tendons 207 avoid fagging 203 from bending and strut two sides beam side wall 202 simultaneously real to a certain extent to touch active force before carrying Existing active force transmits between two sides beam side wall 202, and the quantity and set-up mode of fagging reinforcing rib 207 can be according to practical need Any selection is wanted, the disclosure is not particularly limited this, and fagging reinforcing rib 207 can be integrally formed with fagging 203 and make, can also Fagging 203 is connected in a manner of through welding etc..

In the present embodiment, supporting element can be multiple and set gradually along channel-shaped cross-beam body, therefore can reduce branch The production and installation difficulty of support member, and can guarantee the even intensity distribution of vehicle body crossbeam 200 along its length, it mentions on the whole It rises vehicle body crossbeam 200 and bears the ability hit.In other possible embodiments, supporting element can be with the length of cross-beam body The size in direction is roughly the same, that is, uses the beam side wall 202 of a supports support channel-shaped cross-beam body, or according to vehicle body Multiple supporting elements are arranged along the length direction interval of channel-shaped cross-beam body in the collision forced position of crossbeam 200.

The vehicle body crossbeam 200 that the disclosure provides can be applied to the crossbeam of any position in body structure, for example, with stringer Lapping ends crossbeam, i.e. stringer ends in the vehicle body crossbeam 200.In some embodiments of the disclosure, the vehicle body is horizontal Beam 200 can be front beam 210, which can be affixed to floor panel in some embodiments of the disclosure Vehicle body crossbeam on 300 lower surfaces can be the vehicle body crossbeam installed close to front panel 320, can also be for close to threshold internal plate The vehicle body crossbeam of 500 front ends installation, perhaps for the vehicle body crossbeam in front of front chair installation crossbeam or close to A column inner panel The vehicle body crossbeam of lower end installation, the front beam 210 can be positioned at the lower section of vehicle passenger compartment.Wherein, front beam distance threshold The distance of the front end of inner panel 500 can be in 30mm to 1000mm, when for close to the installation of 500 front end of doorframe inner panel, range gate The distance of the front end of sill inner panel is 30mm to 140mm.According further to vehicle difference, in some embodiments, front beam may be used also With the position of preceding middle floor connecting plate known in the art, the front end of distance threshold inner panel 500 is about 1000MM.Furthermore In various possible embodiments, the distance of the front end of front beam distance threshold inner panel 500 can also be 60/80/120/ 200/300/450/600/700/850/950mm etc..

In some embodiments, the rear end of the front beam 210 and front longitudinal beam 100 is overlapped, i.e., front longitudinal beam 100 ends in this Front beam 210.The front beam 210 is also used as the installation front beam of the battery pack for installing battery pack, specifically, Ke Yi Battery tray fastener hole 701 is opened up on vehicle body crossbeam 200, to install the battery tray for carrying battery pack to this by fastener Battery pack is installed on front beam.When needing to illustrate, front beam 210 can meet any one of above-mentioned restrictive condition simultaneously Or it is multiple, such as front beam 210 is mounted on floor panel lower surface while close front panel is installed.

In addition, connecting plate is also provided between stringer and the vehicle body crossbeam 200, to improve stringer and the vehicle body crossbeam Connective stability, and convenient for the power from stringer is distributed on vehicle body crossbeam.The channel-shaped of the vehicle body crossbeam 200 in this way is horizontal The linkage section for connecting respectively with stringer and connecting plate can be formed on beam ontology in left-right direction, corresponding linkage section Outer surface with stringer and connecting plate for overlapping respectively.Wherein when only being overlapped with one of stringer or connecting plate, linkage section As stringer linkage section or connecting plate linkage section.

Therefore, the position of fagging reinforcing rib 207 and/or inclined plate 205 can be arranged corresponding to linkage section, when vehicle occurs When shock along the longitudinal direction, vehicle body crossbeam 200 will bear impact force transmit by stringer, linkage section and stringer and connecting plate The stress of lap position is maximum, and fagging reinforcing rib 207 and inclined plate 205 can provide support for channel-shaped cross-beam body and bear at this time Collision impact avoids vehicle body crossbeam 200 from deforming at linkage section, to promote the collision resistance of body structure.

Such as in the embodiment for the body structure being described below, with reference to Fig. 2, vehicle body crossbeam 200 is formed as front beam 210, which is connected with the rear end of left front girder and front right longitudinal beam respectively, i.e., front longitudinal beam 100 ends in front beam 210. Correspondingly, linkage section include along channel-shaped cross-beam body length direction interval and symmetrically arranged first linkage section and second connection Section, first linkage section are connected for connecting corresponding front longitudinal beam 100, the second linkage section for connecting corresponding connecting plate Plate can be set according to actual needs the inside and or outside in front longitudinal beam 100, and fagging 203 includes along channel-shaped cross-beam body Length direction is arranged at intervals at the first fagging 203A and the second fagging 203B of channel-shaped cross-beam body, the first outer end fagging 203A Inclined plate 205 is aligned along the longitudinal direction with the outer end of the first linkage section, the inclined plate 205 and the second linkage section of the second outer end fagging 203B Outer end be aligned along the longitudinal direction.It should be noted that " alignment " refers to two components along a direction (such as this in the disclosure Front-rear direction or up and down direction in open) at least part of coincidence of projection.

In addition, in order to adapt to body structure, the projection in the Z-direction of the front-end and back-end of front longitudinal beam 100 is wrong in the Y direction The distance opened is not more than 80mm.That is, the projection of the rear end and front end of front longitudinal beam inexcessive deviation in the lateral direction, to guarantee Directly degree is preferable in the lateral direction for front longitudinal beam, to guarantee the intensity of front longitudinal beam.

Specifically, connecting plate can be set in the inside of corresponding front longitudinal beam 100, for example formed as connecting in described below Fishplate bar 410, correspondingly, the stringer linkage section that the first linkage section and the second linkage section respectively include being disposed adjacent are connected with connecting plate Section, connecting plate linkage section are located at the inside of corresponding stringer linkage section so that for connecting interior connecting plate 410, fagging 203 further includes The inclined plate at the both ends the third fagging 203C being connected in turn between the first fagging 203A and the second fagging 203B, third fagging 203C 205 are aligned with the inner end of corresponding connecting plate linkage section along the longitudinal direction respectively.

In the present embodiment, the first mounting hole 701a is offered on the bottom wall of channel-shaped cross-beam body, vehicle body crossbeam 200 is also Including the stiffening plate 208 being covered on crossbeam bottom wall, stiffening plate 208 offers second installation coaxial with the first mounting hole 701a Hole 701b, to increase vehicle body crossbeam 200 in the intensity of position of opening, the first mounting hole 701a and the second mounting hole 701b can be with For installing vehicle component, such as battery pack, i.e. the first mounting hole 701a and the second mounting hole 701b are above-mentioned battery tray Fastener hole.

Specifically, which has upward opening, and top edge turns down formation along channel-shaped cross outward The crossbeam opening hole flanging 200a that the length direction of beam ontology extends, therefore, when applying disclosure first aspect in body structure When the vehicle body crossbeam 200 of offer, vehicle body crossbeam 200 can be welded in by floor panel 300 by the crossbeam opening hole flanging 200a Lower surface promoted so that vehicle body crossbeam 200 and floor panel 300 surround the support construction with closed cross-section jointly The intensity of floor panel can prevent floor panel 300 excessive when touching before generation to reduce the collision deformation of floor panel It flips up, avoids deformed floor panel 300 from entering crew module and injure occupant or compress the living space in crew module.Into One step, the end of beam side wall, which can also outwardly or inwardly turn down, is formed with beam-end flange 200b, the end of crossbeam bottom wall Portion has extended outwardly to form crossbeam bottom wall overlap edge 200c, so that the vehicle body crossbeam 200 can pass through beam-end flange The other component of 200b and crossbeam bottom wall overlap edge 200c and body structure, such as longitudinal floor beam, threshold internal plate overlap joint.

It is following integrally to introduce some implementations above describe some components in body structure, such as vehicle body crossbeam Body structure in mode.

[body structure]

According to the second aspect of the disclosure, the disclosure also provides a kind of body structure, and Fig. 3 shows the disclosure into Figure 45 Second aspect provide body structure some embodiments.Wherein, body structure may include that front longitudinal beam 100 and front deck are horizontal Beam 220, front longitudinal beam 100 has main paragraph 100A and be connected to the rear end main paragraph 100A be turned under tune 100B, front longitudinal beam 100 include spaced left front girder and front right longitudinal beam in left-right direction, before front deck crossbeam 220 is installed on left front girder and the right side Stringer is turned under on tune 100B, and is at least partially situated at the lower section of main paragraph 100A (with reference to Fig. 4).Wherein, preceding vertical The main paragraph 100A of beam is usually above the floor panel position of vehicle passenger compartment, and is realized on front longitudinal beam by being turned under tune The transition in lower direction.Wherein, main paragraph 100A higher can be used for installing subframe so as to install on main paragraph 100A The vehicular propulsions such as motor, engine.These vehicular propulsions are located at the lower section of main paragraph 100A typically at least in part.

Preceding when touching generation in this way, in the present embodiment, 100 crumple of front longitudinal beam drive is mounted on main paragraph 100A Vehicle component moves backward, and is mounted on the front deck crossbeam 220 being turned under on tune 100B due to being only positioned partially at main paragraph Lower section, can the vehicular propulsions such as the backstop vehicle component moved backward, such as motor, avoid it from entering because of collision impact Vehicle cabin is invaded, to protect occupant.

Specifically, the installation point for installing subframe is provided on main paragraph 100A, the power device of vehicle passes through pair Vehicle frame is mounted on main paragraph, and is at least partially disposed on the lower section of main paragraph 100A and the front of front deck crossbeam 220, with The backstop power device when preceding touching of front deck crossbeam 220 is enabled to move back and threaten crew module.

In order to ensure front deck crossbeam 220 is in the lower section of main paragraph 100A, the front deck crossbeam 220 be at least partly connected to The bottom of lower bending section 100B, specifically in the present embodiment, as shown in figure 5, being turned under tune 100B is formed as upward opening Groove-like structure and including the first stringer bottom wall 101 and the first stringer side wall 102, this is turned under the groove-like structure of tune 100B The top edge of opening is turned down outward to form the first stringer side wall flange 102a extended along the longitudinal direction, the first stringer bottom wall 101 are bent downwardly from the rear end of main paragraph 100A, and front deck crossbeam 220 is formed as the groove-like structure of upward opening, the front deck crossbeam The end of 220 groove-like structure is attached at least to be turned under on the first stringer bottom wall 101 of tune 100B, so that front deck crossbeam 220 can preferably backstop front part of vehicle element, avoid such as motor vehicular propulsion because collision impact moves backward injury Occupant.Optionally, front deck crossbeam 220 can also by it is any other it is appropriate in a manner of be connected to left front girder and front right longitudinal beam to On lower bending section 100B.

Connection relationship to guarantee between front deck crossbeam 220 and front longitudinal beam 100 is stablized, the groove-like structure of front deck crossbeam 220 The edge of opening turn down (i.e. forward or backward turn down) outward to form the first flange 220a extended in left-right direction, end Portion is turned down (turn down forward or backward) outward to form the second flange 220b vertically extended, which is also formed with The third flange 220c extended along the longitudinal direction, wherein the first flange 220a and the first stringer side wall flange 102a is overlapped, second Flange 220b and the first stringer side wall 102 overlap, and third flange 220c and the first stringer bottom wall 101 overlap, in actual production, The connection type of each flange and front longitudinal beam 100 can be to overlap and welding, to promote the company of front deck crossbeam 220 and front longitudinal beam 100 Intensity is connect, to guarantee that front deck crossbeam 220 can preferably bear the shock of the power device of vehicle.

Front deck crossbeam 220 can be formed as segmentation structure, and to facilitate production, which may include crossbeam Ontology 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 crossbeam sheet Body to end linkage section becomes larger, 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.

In order to adapt to the overall structure of vehicle, it is formed with continued reference to tune 100B shown in Fig. 2, is turned under along wheel envelope For avoiding the inner fovea part 105 of wheel, i.e. front longitudinal beam inwardly concaves the steering to guarantee vehicle in the position of the inner fovea part 105. In this way, front longitudinal beam 100 is easy the deformation bending at the inner fovea part 105 when preceding touching generation, its for being mounted on front part of vehicle is squeezed Therefore, in the disclosure front deck crossbeam 220 is connected to left front vertical by his component, and influence the crumple energy-absorbing effect of front longitudinal beam 100 The support to two front longitudinal beams 100 is formed between beam and the inner fovea part 105 of front right longitudinal beam, thus front longitudinal beam when touching before avoiding 100 bendings at inner fovea part, therefore front longitudinal beam is able to ascend along the front-rear direction crumple energy-absorbing of vehicle to protect other yuan of vehicle The ability of part and occupant, is turned under the intensity of tune 100B in order to further increase, and the inner wall of front longitudinal beam 100 corresponds to inner fovea part 105 position can connect stiffening plate, such as the reinforcement of the position is realized by welding metal plate.

As shown in fig. 6, the body structure can also include floor panel 300, before the front end of the floor panel 300 is connected with Coaming plate 320, crew module are limited to the rear of front panel 320 and the top of floor panel 300, and correspondingly, front deck crossbeam 220 is arranged Front panel 320 front and can connect in the front panel 320, specifically, front deck crossbeam 220 can connect in front panel 320 bottom, preferably to protect the foot of occupant.In addition in some embodiments, front deck crossbeam 220 can be with compartment of terrain Positioned at the front of front panel 320.

Body structure further includes bearing frame 700, the bearing frame 700 for installing other vehicle components, such as The battery tray 600 of installation carrying battery pack, specifically, as shown in Figure 7 to 9, before which can include at least Crossbeam 210, vehicle body longitudinal beam and Floor rear crossbeam 230, front beam 210 and Floor rear crossbeam 230 are each attached to floor panel 300 lower surface, vehicle body longitudinal beam are connected on floor panel 300, wherein front beam 210 is arranged at intervals on front deck crossbeam 220 Rear and close to front panel 320 install, it should be noted that " close ", which refers to, herein is mounted on floor panel 300 all In the crossbeam of lower section, front beam 210 and front panel 320 along the longitudinal direction at a distance from it is nearest.Floor rear crossbeam 230 is arranged at intervals on The rear of front beam 210, vehicle body longitudinal beam are two, which is spaced setting and at least portion in left-right direction Divide ground between front beam 210 and Floor rear crossbeam 230, to limit the installation space of battery tray 600.Specifically, vehicle body Longitudinal beam may include being fixed on the longitudinal floor beam 110 of 300 lower surface of floor panel and/or being fixed on 300 side of floor panel The threshold internal plate 500 of edge, i.e. battery tray 600 can be fixed on longitudinal floor beam, can also be fixed on doorframe inner panel or It is also secured in the two, in order to arrange installation point according to the structure of different battery trays 600.In the present embodiment, Wherein when bearing frame 700 is for when installing battery tray, front beam 210, longitudinal floor beam 110 and Floor rear crossbeam 230 can be with Successively it is known as battery pack installation front beam 210, battery pack installation stringer 110 and battery pack and rear cross beam 230 is installed.

The bearing frame 700 can be that 210, two longitudinal floor beams 110 of front beam and Floor rear crossbeam 230 cooperatively form Frame structure can also use Fig. 7 and embodiment shown in Fig. 8, that is, longitudinal floor beam 110 includes being connected to front beam The first longitudinal floor beam 110A and the second longitudinal floor beam 110B at 210 both ends, body structure further include floor side member 120, the floor side member 120 include the first floor side member and the second floor side member for being connected to the rear end of corresponding longitudinal floor beam 110, Floor rear crossbeam 230 are connected between floor side member 120, so that floor side member 120, which has, is located at the rear vertical of 230 front and rear sides of Floor rear crossbeam Beam leading portion 121 and floor side member back segment 122, bearing frame 700 is formed as the sequentially connected front beam 210 of head and the tail, the first floor is indulged Beam 110A, the first floor side member leading portion 121A, Floor rear crossbeam 230, the second floor side member leading portion 121B and the second longitudinal floor beam 110B, To guarantee making full use of for 300 lower space of floor panel.Specifically, the crossbeam of bearing frame 700 and stringer can be by taking It the modes such as connects and welds, be spirally connected to connect, can also pass through and increase the technological means connection well known in the art such as connector, the disclosure This is not particularly limited.It is designed by the structure of this bearing frame 700, it can be below floor panel 300 as often as possible It arranges battery pack, advantageously ensures that vehicle has endurance distance long as far as possible.In addition, longitudinal floor beam is connected with floor side member, may be used also To increase the intensity of body structure.

In order to increase the intensity of bearing frame 700, as shown in Figure 9 and Figure 10, which can also include setting Threshold internal plate 500 in 300 two sides of floor panel, which, which extends along the longitudinal direction and be located at corresponding floor, indulges The outside of beam 110, and overlapped with longitudinal floor beam 110 and front beam 210.It can be between front beam 210 and longitudinal floor beam 110 It is connected with reinforcing beam, to surround the reinforcement structure such as triangle, i.e. reinforcing beam and front beam 210 and longitudinal floor beam 110 is formed Corner surround triangle jointly, thus crossbeam and stringer crosspoint corner increase intensity, to promote bearing frame 700 intensity preferably bears the gravity and impact force of such as battery pack.Alternatively, which can also be formed as L-type Beam surrounds rectangular frame structure with the corner with front beam 210 and the formation of longitudinal floor beam 110 jointly, promotes the anti-of body structure Jolt capacity.

It can have any suitable bonding relation between front beam 210, longitudinal floor beam 110 and threshold internal plate 500.As The connection type of a kind of optional embodiment, front beam 210 and longitudinal floor beam 110 can be with reference to figures 11 to real shown in Figure 14 Apply mode, wherein two longitudinal floor beams 110 are connected to the both ends of front beam 210, and longitudinal floor beam 110 respectively with cross Beam bottom wall 201, beam side wall 202 and crossbeam opening hole flanging 200a overlap joint.In detail, the end of longitudinal floor beam 110 be formed as to The groove-like structure of upper opening and including longitudinal floor beam inner sidewall 112A, longitudinal floor beam bottom wall 111 and longitudinal floor beam lateral wall 112B, The top edge of the opening of the groove-like structure of the longitudinal floor beam 110 turns down (to the left and to the right) to be respectively formed longitudinal floor beam outward Inner sidewall the first flange 110a and longitudinal floor beam lateral wall flange 110b, longitudinal floor beam 110 pass through longitudinal floor beam inner sidewall first Flange 110a is fixed on the lower surface of floor panel 300, and the end fold of longitudinal floor beam inner sidewall 112A is (inwardly and vertically square To extension) to form longitudinal floor beam inner sidewall the second flange 110c, the end of longitudinal floor beam bottom wall 111 is along the longitudinal direction to extension It stretches to form longitudinal floor beam bottom wall overlap edge 110d, wherein longitudinal floor beam inner sidewall the first flange 110a and crossbeam opening hole flanging 200a overlap joint, longitudinal floor beam inner sidewall the second flange 110c and beam side wall 202 overlap, longitudinal floor beam bottom wall overlap edge 110d with Crossbeam bottom wall 201 overlaps.

As shown in figure 13, threshold internal plate 500 is formed as be open U-type groove structure outwardly and the inner panel top including being oppositely arranged Wall 501 and inner panel bottom wall 502, and the inner panel side wall 503 being connected between inner panel roof 501 and inner panel bottom wall 502, such as Figure 10 Shown, threshold internal plate 500 and the bonding relation of longitudinal floor beam 110 can be turned over for longitudinal floor beam 110 by longitudinal floor beam lateral wall Side 110b is overlapped on inner panel bottom wall 502, and the overlapping mode of front beam 210 and threshold internal plate 500 can be with reference to such as Figure 12 and figure Embodiment shown in 13, wherein front beam 210 is taken respectively by beam-end flange 200b and crossbeam bottom wall overlap edge 200c It is connected on inner panel side wall 503 and inner panel bottom wall 502.

When this disclosure relates to a part as the Path of Force Transfer of body structure of bearing frame 700 when, such as below In some embodiments that will be described in, specifically, for the embodiment shown in Figure 15 and Figure 16, front longitudinal beam 100 Rear end and bearing frame 700 in front beam 210 when overlapping, when touching before vehicle, front longitudinal beam 100 is first subject to hit, and hits After active force is transferred to front beam 210 from the rear end of front longitudinal beam 100 and is dispersed to vehicle along longitudinal floor beam 110, threshold internal plate 500 It on the body structure in portion, allows the vehicle to absorb collision energy as a whole, reduces the deformation of vehicle dash panel plate, guard bit In driver and passenger in crew module, and front beam 210, threshold internal plate 500 and 110 three of longitudinal floor beam are mutually lapped energy The intensity for enough increasing loading frame 700, can either guarantee that bearing frame 700 installs more battery pack, to promote the continuation of the journey of vehicle Ability, and collision (touch before including and side impact) deformation extent of bearing frame 700 can be reduced, avoid bearing frame 700 from deforming Extruding battery pack causes on fire.

The body structure can also include back seat installation crossbeam 260 (showing in Figure 43 and Figure 45), back seat installation Crossbeam 260 is connected between floor side member 120 and is spaced on the front of Floor rear crossbeam 230, and bearing frame 700 can be with Crossbeam 260 is installed including the back seat, so as to increase the quantity of battery tray 600 with the installation point of bearing frame 700, is had Conducive to the mounting stability for keeping battery pack, and when this disclosure relates to power transmission road of the bearing frame 700 as body structure A part of diameter is 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 600, 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, and carries Battery tray fastener hole 701 is also provided on frame 700, for fixing battery tray 600.Correspondingly, the side of battery tray 600 It is provided with outwardly extending installation trunnion 601 on edge, is connect so that the edge of battery tray 600 is not direct with bearing frame 700 Touching, so as to guarantee that battery tray 600 does not bear directly to hit in collision, to protect battery pack.The installation trunnion 601 The aligned in position of position and battery tray fastener hole 701, and mounting hole is coaxially offered, to pass through fastener for battery tray Disk 600 is mounted on bearing frame 700.

In some embodiments, battery tray 600 can be formed as one formula structure (as shown in Figure 8) or be formed as Split type structure (as shown in Figure 9).Specifically, battery tray 600 may include spaced first battery along the longitudinal direction Pallet 610 and the second battery tray 620, bearing frame 700 further include that crossbeam 210 and battery are installed before being arranged at intervals on battery pack After packet install crossbeam 230 between battery pack in install crossbeam 290, wherein the first battery tray 610 respectively with the battery pack In preceding installation crossbeam 210, vehicle body longitudinal beam and battery pack install crossbeam 290 overlap, the second battery tray 620 respectively with the electricity Installation crossbeam 230 overlaps after installing crossbeam 290, vehicle body longitudinal beam and battery pack in the packet of pond.In detail, crossbeam is installed in battery pack 290 can be overlapped on vehicle body longitudinal beam, also can use the existing crossbeam of body structure, as back seat installs crossbeam 260.

In order to allow the collision energy of vehicle to be evenly distributed on body structure, to reduce to vehicle single part Injury, which can also wholly or partly use as collision force transferring structure, with aid dispersion collision effect Power.

As shown in Figure 15 and Figure 16, the first embodiment of body structure dispersion colliding forces is provided.Wherein, left The rear end of front longitudinal beam and front right longitudinal beam is connected to front beam 210, i.e. front longitudinal beam 100 ends in front beam 210 backward.Into one Step ground, the rear end of front longitudinal beam is only connected with front beam 210, without being connected with other component, to pass through front longitudinal beam 100 and front beam Collision impact is transferred to front beam 210 by front longitudinal beam 100 by 210 connection, and front longitudinal beam back leg is avoided to invade crew module, and Front deck crossbeam 220, left front girder, front beam 210 and front right longitudinal beam surround closed loop frame, and the collision on the one hand increasing vehicle passes Power path facilitates the dispersion of collision energy, and on the other hand, which makes body structure have higher intensity, energy The retrogressing impact for enough bearing primary collision load and front part of vehicle component, protects the other elements of occupant and vehicle, such as battery Packet.In other embodiments, the front longitudinal beam 100 for ending in front beam backward outer in left-right direction can also be extended down to threshold internal plate On equal components.I.e. front longitudinal beam 100 ends in front beam 210.

Specifically, which is formed as the groove-like structure of upward opening and including crossbeam bottom wall 201 and beam side wall 202, the top edge of the opening of the groove-like structure of the front beam 210 is turned down outward to form crossbeam opening hole flanging 200a, before this Crossbeam 210 is connected on the lower surface of floor panel 300 by crossbeam opening hole flanging 200a.

Front longitudinal beam 100 can be fixedly connected on front beam 210 according to any suitable connection type, as a kind of optional Embodiment, as shown in figure 16, front longitudinal beam 100 is overlapped on crossbeam bottom wall 201, beam side wall 202 and crossbeam opening turning respectively On the 200a of side, in detail, the rear end of front longitudinal beam 100 is formed as the groove-like structure of upward opening and including stringer bottom wall 103 and vertical Beam side wall 104, the top edge of the opening of the groove-like structure of 100 rear end of front longitudinal beam are turned down outward to be formed and be extended along the longitudinal direction The first stringer flange 100a, the end of stringer side wall 104 is turned down outward to form the second stringer for vertically extending and turn over Side 100b, the end of stringer bottom wall 103 extend outwardly to form the stringer bottom wall overlap edge 100c extended in left-right direction, In, the first stringer flange 100a and crossbeam opening hole flanging 200a are overlapped, and the second stringer flange 100b and beam side wall 202 overlap, Stringer bottom wall overlap edge 100c and crossbeam bottom wall 201 overlap, to guarantee being stably connected with for 100 rear end of front longitudinal beam and front beam 210.

In the present embodiment, be turned under the groove-like structure continuous transition of 100 rear end tune 100B and front longitudinal beam, i.e., it is preceding vertical Beam 100 is formed as continuous groove-like structure from the rear end of installed position to the front longitudinal beam 100 of front deck crossbeam 220, before increasing The intensity of 100 back segment of stringer, to improve the bending strength of front longitudinal beam 100, the bending of front longitudinal beam 100 invasion occupant when being touched before avoiding Cabin.

In order to further strengthen the connection of front longitudinal beam 100 and front beam 210, which can also include interior connecting plate 410 and outside link plate 420 or in which one of, such as in embodiment shown in Fig. 2, Fig. 7 to Fig. 8, Figure 10 to Figure 11, this is interior Connecting plate 410 and outside link plate 420 are located inside and outside front longitudinal beam 100, and interior connecting plate 410 is horizontal with front deck respectively Beam 220, front longitudinal beam 100 and front beam 210 connect, and in interchangeable embodiment, it is horizontal that interior connecting plate 410 can be located at front deck Between beam 220 and front beam 210 and with one of be wherein connected.Outside link plate 420 respectively with front longitudinal beam 100 and front beam 210 Connection, when preceding touching, interior connecting plate 410 and outside link plate 420 can also aid dispersion collision impact so that colliding forces It is transmitted from the back segment of front longitudinal beam 100 by inside and outside connecting plate in the structure of rear of vehicle, the back segment of front longitudinal beam 100 is avoided to become Shape bending drives front panel 320 to deform, and squeezes crew module space.

Interior connecting plate 410 and outside link plate 420 can be respectively provided with any suitable structure, with reference to Figure 17, interior connecting plate 410 include interior connection bottom wall 411, and interior connection bottom wall 411 has the sequentially connected interior connecting plate first edge of head and the tail, interior connecting plate The 4th edge of second edge, interior connecting plate third edge and interior connecting plate, interior connecting plate first edge along front beam 210 extend and It is overlapped with the front beam 210, interior connecting plate second edge extends along front longitudinal beam 100 and overlaps with the front longitudinal beam 100, due to front deck Crossbeam 220 is located at the top of front beam 210 along the vertical direction, is connected on interior connecting plate third edge and angularly upwardly extends First in connection side wall 412 to adapt to front deck crossbeam 220 and the positional relationship of front beam 210 in above-below direction, connect in first It connects side wall 412 and front deck crossbeam 220 overlaps, be connected on interior the 4th edge of connecting plate in second upwardly extended and connect side wall 413, the second interior connection side wall 413 and front beam 210 overlap.

In detail, interior connecting plate first edge extends outwardly to form the interior connecting plate first extended in left-right direction and overlaps The top edge of side 410a, the second interior connection side wall 413 are turned down outward to be formed in extend along the longitudinal direction second and connect side wall First flange 410b, the second interior connection side wall 413 are turned down outward close to the end of interior connecting plate first edge to be formed vertically Second interior connection the second flange of side wall 410c that direction extends, wherein interior connecting plate the first overlap edge 410a and crossbeam bottom wall 201 Overlap joint, second interior connection side wall the first flange 410b and crossbeam opening hole flanging 200a are overlapped, connection the second flange of side wall in second 410c and beam side wall 202 overlap；

Interior connecting plate second edge extends outwardly to form interior connecting plate the second overlap edge 410d extended along the longitudinal direction, Interior connecting plate the second overlap edge 410d and stringer bottom wall 103 overlap；

The top edge of connection side wall 412 is turned down outward to be formed in substantially extend in left-right direction first and be connected in first The cell wall of the groove-like structure of side wall flange 410e, the first interior connection 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, to further strengthen front longitudinal beam The intensity of 100 back segments avoids 100 back segment of front longitudinal beam because of collision bending invasion front panel.

As shown in Figure 10 and Figure 11, the overlap joint of outside link plate 420 shown in figure and front longitudinal beam 100 and front beam 210 closes System, the outside link plate 420 are further extended outward and are overlapped with threshold internal plate 500, when small offset collision occurs for vehicle, that is, hit hair Life is in the outside of part of vehicle front longitudinal-member 100, and wherein front longitudinal beam stress is smaller, and the effect of the crumple energy-absorbing played is poor, at this point, this is outer Connecting plate 420 is for bearing to hit and colliding forces being transferred to front beam 210 and threshold internal plate 500, to reduce wheel Retreat the deformation of compressing vehicle A column and front panel 320.Meanwhile when central collision occurs, front longitudinal beam stress is larger, can also pass through Outside link plate 420 plays the role of dispersing power transmission.

Specifically, with reference to shown in Figure 18, which may include outer connection bottom wall 421, 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, outside link plate first edge extend along front beam 210 and overlap with the front beam 210, Outside link plate second edge extends along front longitudinal beam 100 and overlaps with the front longitudinal beam 100, connects on outside link plate third edge oriented The outer connection side wall 422 of upper extension, outer connection side wall 422 are overlapped with front longitudinal beam 100.

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, outside link plate the first overlap edge 420a and crossbeam bottom wall 201 overlap；Outside link plate second edge extends outwardly to form The second overlap edge of the outside link plate 420b extended along the longitudinal direction, the top edge of outer connection side wall 422 turns down outer to be formed outward The first flange of side wall 420c is connected, outer connection side wall 422 is turned down outward close to the end of outside link plate second edge to form edge Outer the second flange of connection side wall 420d that up and down direction extends, wherein outside link plate the second overlap edge 420b and stringer bottom wall 103 Overlap joint；Outer connection side wall the first flange 420c and the first stringer flange 100a are overlapped, outer connection side wall the second flange 420d with indulge Beam side wall 104 overlaps；First flange of outer connection side wall 420c is also overlapped with front panel 320.

The 4th edge of outside link plate extends along threshold internal plate 500 and overlaps with the threshold internal plate 500, outer connection side wall 422 End close to the 4th edge extends outwardly with the lapping ends with threshold internal plate 500.

In the present embodiment, the length of outside link plate second edge is greater than the length at the 4th edge of outside link plate, outer company Fishplate bar third edge is formed as the arc structure being backwardly recessed to avoid wheel.

In order to improve the intensity of outside link plate 420, the case where above-mentioned small biasing is touched, the outside link plate 420 are especially coped with 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, reinforcement structure can also be formed For metal plate or filling CBS (composite reinforcing material).

As shown in Figure 19 to Figure 23, second of embodiment of body structure dispersion colliding forces is provided.Wherein, preceding Cabin crossbeam 220 is installed on the rear end for being turned under tune 100B of left front girder and front right longitudinal beam, i.e. front longitudinal beam 100 ends in front deck Crossbeam 220, and it is connected with force transferring structure between front deck crossbeam 220 and front beam 210, collision to be rushed by the force transferring structure It hits power and is transferred to bearing frame 700 from front longitudinal beam 100.Specifically, which can be formed as connecting plate 430, connecting plate 430 front end is overlapped on front deck crossbeam 220, and rear end is overlapped on front beam 210, to be made collision by the connecting plate 430 Front beam 210 is firmly transferred to by front deck crossbeam 220, and the top surface (i.e. the highest surface of height) of the connecting plate 430 is also It can connect on floor panel 300, to increase the bonding strength of force transferring structure.

It is overlapped respectively with front longitudinal beam 100 and connecting plate for convenience, the both ends of front deck crossbeam 220 are provided with indulges with preceding respectively Beam 100 and connecting plate overlapped interconnecting piece, the specific structure of interconnecting piece and its are closed with the connection of front longitudinal beam 100 and connecting plate 430 System can select any suitable design method according to actual needs.

In the present embodiment, interconnecting piece is formed as the groove-like structure of upward opening and including connection bottom wall 221 and along preceding The front side wall 222 and rear wall 223 that rear direction is oppositely arranged, the top edge of the opening of the groove-like structure of interconnecting piece turns down outward To be respectively formed the front side wall flange 222a extended in left-right direction and rear wall flange 223a, it is turned under the rear end of tune 100B It is overlapped on front side wall 222, front side wall flange 222a and connection bottom wall 221 respectively, connecting plate 430 is overlapped on rear wall respectively 223, on rear wall flange 223a and connection bottom wall 221.

Correspondingly, it with reference to Figure 20 and Figure 21, is turned under tune 100B and is formed as the groove-like structure of upward opening and including vertical Beam inner sidewall 102A, the first stringer bottom wall 101 and stringer lateral wall 102B, the top edge of side rail inner wall 102A turn down outward with The the first side rail inner wall flange 102a extended along the longitudinal direction is formed, the end of side rail inner wall 102A is turned down outward to be formed The the second side rail inner wall flange 102b vertically extended, the end of the first stringer bottom wall 101 extends outwardly to form edge The first stringer bottom wall overlap edge 101a that left and right directions extends, the end of stringer lateral wall 102B extends outwardly to form vertically The stringer lateral wall overlap edge 102c that direction extends, wherein the first side rail inner wall flange 102a and front side wall flange 222a takes It connects, the second side rail inner wall flange 102b and front side wall 222 overlap, and the first stringer bottom wall overlap edge 101a and stringer lateral wall are taken Edge fit 102c respectively with connect bottom wall 221 overlap, specifically, for convenience of with front longitudinal beam 100 overlap, connect bottom wall 221 end It can flip up to be formed with the outer end wall extended along the longitudinal direction 224, which is connected to front side wall 222 with after Between side wall 223, stringer lateral wall overlap edge 102c and the outer end wall 224 overlap joint (referring to Figure 21).

As shown in figure 21 and figure, the front end of connecting plate is formed as the groove-like structure of upward opening, including the first inner sidewall 432A, the first bottom wall 431 and the first lateral wall 432B, the top edge of the first inner sidewall 432A are turned down outward to be formed along front and back To first the first flange of inner sidewall 430a of extension, the end of the first inner sidewall 432A is turned down outward to be formed and be prolonged along the vertical direction First the second flange of the inner sidewall 430b stretched, the end of the first bottom wall 431 extend outwardly to form extended in left-right direction One bottom wall overlap edge 430c, the end of the first lateral wall 432B extends outwardly to form the first lateral wall vertically extended Overlap edge 430d, wherein first inner sidewall the first flange 430a and rear wall flange 223a is overlapped, first the second flange of inner sidewall 430b and rear wall 223 overlap, the first bottom wall overlap edge 430c and the first lateral wall overlap edge 430d respectively with connect bottom wall 221 Overlap joint is specifically overlapped with connecting plate 430 for convenience, and the end of connection bottom wall 221 can be flipped up to be formed with along preceding The outer end wall 224 that rear direction extends, the outer end wall 224 are connected between front side wall 222 and rear wall 223, and the first lateral wall is taken Edge fit and the outer end wall 224 overlap joint (referring to Figure 21).

As shown in figure 23, the rear end of connecting plate 430 is overlapped on crossbeam bottom wall 201, beam side wall 202 and crossbeam opening respectively On flange 200a.The rear end of connecting plate 430 is formed as the groove-like structure of upward opening, including the second bottom wall 433 and is oppositely arranged Two second sidewalls 434, the top edge of the opening of the groove-like structure of 430 rear end of connecting plate is turned down outward to be formed along front and back Second sidewall the first flange 430e that direction extends, the end of second sidewall 434 are turned down outward to be formed and be vertically extended The second flange of second sidewall 430f, the end of the second bottom wall 433 extends outwardly to form the second bottom extended in left-right direction Wall overlap edge 430g, wherein second sidewall the first flange 430e and crossbeam opening hole flanging 200a is overlapped, the second flange of second sidewall 430f and beam side wall 202 overlap, and the second bottom wall overlap edge 430g and crossbeam bottom wall 201 overlap.

The quantity of connecting plate between front deck crossbeam 220 and front beam 210 can be arbitrarily arranged, such as Figure 19 to Figure 23 institute In the embodiment shown, the force transferring structure between front deck crossbeam 220 and front beam 210 is made of multiple connecting plates 430, connecting plate It is symmetrical arranged for two and about the perpendicular bisector of front beam 210；

Selectively, with reference to Figure 24, connecting plate is three, wherein being located in the middle connecting plate is located at hanging down for front beam 210 On straight bisector, the connecting plate of the left and right sides is located in the middle connecting plate about this and is symmetrical arranged；

Alternatively, connecting plate is two and the perpendicular bisector about front beam 210 is symmetrically set with reference to Figure 25 to Figure 27 It sets, and is provided with herringbone (Figure 25) or splayed (Figure 26) or X-shaped attachment beam (Figure 27), the people between two connecting plates The front end of font or splayed or X-shaped attachment beam is connected with front deck crossbeam 220, and rear end is connected with front beam 210.

In order to guarantee that connecting plate has enough intensity, in each embodiment that the disclosure provides, before the connecting plate End has in other interchangeable embodiments, such as in connecting plate 430 to continuous groove-like structure is formed as between rear end In the case where sufficient intensity, the front-end and back-end of connecting plate can be the groove-like structure that interval is formed in the both ends of connecting plate, with Facilitate processing flange and is overlapped with other body rails or threshold internal plate.

By the technical solution, the preceding Impact energy touched is transferred to connecting plate by front deck crossbeam 220, and continues to be dispersed to On other beams of front beam 210 and bearing frame 700, the collision safety performance of vehicle is promoted.

As shown in Figure 28 and Figure 29, the third embodiment of body structure dispersion colliding forces is provided, wherein preceding Stringer 100 ends in front deck crossbeam 220, and is connected with force transferring structure between the front deck crossbeam 220 and threshold internal plate 500, In present embodiment, the connection type and second of embodiment phase of front deck crossbeam 220 and the front end of front longitudinal beam 100 and connecting plate Together, with specific reference to Figure 19 to Figure 22, details are not described herein.To adapt to the integrally-built design of vehicle, the connecting plate is horizontal from front deck Outward bending at beam 220 is so that its rear end is overlapped in the inner panel bottom wall 502 and inner panel side wall 503 of threshold internal plate 500, and is somebody's turn to do The top surface of connecting plate is also connected to the lower section of floor panel 300.Specifically, connecting plate 430 is bent outwardly from front deck crossbeam 220 And it is connected in threshold internal plate 500, and the connecting plate 430 is several font structures of upward opening, and several font structures Top surface be connected on the lower surface of floor panel 300.

As shown in figure 29, the rear end of connecting plate is formed as the groove-like structure of upward opening, including the second inner sidewall 434A, Two bottom walls 433 and the second lateral wall 434B, the end of the second inner sidewall 434A are turned down outward to be formed and be vertically extended Second inner sidewall flange 430f, the end of the second bottom wall 433 extends outwardly to form the second bottom wall extended along the longitudinal direction and takes Edge fit 430g, the second inner sidewall flange 430f and inner panel side wall 503 overlap, the second bottom wall overlap edge 430g and inner panel bottom wall 502 Overlap joint, and the end of the second lateral wall 434B extends outwardly with the lapping ends with threshold internal plate 500.Front beam 210 and door 500 phase of sill inner panel is connected in the rear of stiffening plate 430, to form the support to threshold internal plate 500 and disperse power transmission.

In the present embodiment, the front end rear end arc transition of connecting plate, to avoid wheel.

As shown in figures 30 and 31, the 4th kind of embodiment of body structure dispersion colliding forces is provided, wherein preceding Stringer 100 ends in front deck crossbeam 220, and is connected with force transferring structure between the front deck crossbeam 220 and longitudinal floor beam 110.? In present embodiment, the connection type of the front end of front deck crossbeam 220 and front longitudinal beam 100 and connecting plate 430 and second of embodiment party Formula is identical, and with specific reference to the connection type of Figure 19 to Figure 22, details are not described herein.The connecting plate 430 is outside from front deck crossbeam 220 It is bent and rear end is connected to longitudinal floor beam 110.Specifically, connecting plate is several font structures of upward opening, and several words The top surface of type structure is connected on the lower surface of floor panel 300, and the rear end of the connecting plate is formed as upward opening The inner surface contour of groove-like structure, the groove-like structure of the rear end is identical as the outer wall profile of 110 end of longitudinal floor beam and mutually covers It connects, alternatively, the outer wall profile of the groove-like structure of the rear end of connecting plate 430 can be with the inner wall wheel of 110 end of longitudinal floor beam Exterior feature is identical and is mutually socketed.

Above describe several implementations that transmitting of the power passed over from front longitudinal beam mainly below floor panel disperses Mode is described below but is not limited to the related embodiment of transmitting dispersion of the power mainly above floor panel.

Based on the above-mentioned technical proposal, the upper surface of floor panel 300 is further fixed on identical with 210 extending direction of front beam Horizontal pressing plate 310, and the projection on floor panel 300 is at least partly along the vertical direction for the horizontal pressing plate 310 and front beam 210 It is overlapped.Therefore, vehicle collide (touched before including and side impact) when, horizontal pressing plate 310 being capable of the upward change of backstop front beam 210 Shape avoids 210 deformation quantity of front beam is excessive from causing floor panel 300 to raise upward to compress the inner space of crew module, interfere to multiply Member's escape.

Specifically, as shown in Figure 32 and Figure 33, horizontal pressing plate 310 is formed as the second downwardly open groove-like structure and including cross Pressing plate bottom wall 311 and horizontal pressing plate side wall 312, the lower edge of the opening of the second groove-like structure are turned down outward to form horizontal pressing plate and turn over Side 310a, horizontal pressing plate 310 are connected to floor panel 300, and crossbeam opening hole flanging 200a and cross by horizontal pressing plate flange 310a Pressing plate flange 310a alignment, so that front beam 210 and horizontal pressing plate 310 surround hollow support construction jointly, so that preceding Crossbeam 210, floor panel 300 and 310 three of horizontal pressing plate surround multiple hollow support constructions jointly, specifically, can use The mode of three layers of weldering welds together crossbeam opening hole flanging 200a, floor panel 300 and horizontal pressing plate flange 310a, to guarantee to be somebody's turn to do The intensity of three's link position drives floor panel 300 to invade showing for crew module so as to effectively reduce the deformation of front beam 210 As, also, when currently touching that active force is larger to turn over the floor panel 300 for being located at the front of front beam 210,210 He of front beam The clamp structure that horizontal pressing plate 310 is formed can backstop floor panel 300 continue the trend of fold, reduce the floor panel of deformation 300 scratch the risk of occupant.

In the body structure that the disclosure provides, arranged in cable or pipeline, such as electric car for convenience to set Set cooling water pipe or in order to realize being electrically connected for battery pack and the electrical control member of front part of vehicle, the middle section of front beam 210 and floor There is the gap passed through at least one of cable and pipeline between plate 300, there are many setting methods in the gap, such as Shown in Figure 34, the middle part of floor panel 300 raises upward to form the centre gangway 301 extended along the longitudinal direction, front beam 210 The other end that centre gangway 301 extends to floor panel 300 is crossed from one end of floor panel 300 in left-right direction, so that Front beam 210 and centre gangway 301 limit the gap jointly.Wherein the height in the gap is not more than 60mm, further less In 50mm, rationally to utilize interior space.

In interchangeable embodiment, which can be formed by centre gangway 301, and front beam 210 may include edge Left and right directions is arranged at intervals on the first front beam 210A and the second front beam 210B of 301 two sides of centre gangway, should with reference to Figure 35 First front beam 210A and the second front beam 210B is all formed as the groove-like structure of upward opening, and including crossbeam bottom wall 201, Beam side wall 202 and the crossbeam inner end wall 209 being connected between the crossbeam bottom wall 201 and beam side wall 202, and the channel-shaped knot The top edge of the opening of structure is turned down outward to form crossbeam opening hole flanging 200a, and front beam 210 passes through crossbeam opening hole flanging 200a is connected to floor panel 300.Specifically, left front girder and front right longitudinal beam can have any suitable link position, example If left front girder is connected to the center of the left and right directions of the first front beam 210A, right front beam is connected to the second front beam The center of the left and right directions of 210B, so that corresponding front beam 210 is indulged before capable of preferably bearing left front girder and the right side The colliding forces of beam transmitting.

In order to further strengthen the connection structure of corresponding front beam 210 and front longitudinal beam 100, the inside of front longitudinal beam 100 is set It is equipped with interior connecting plate 410, outside is provided with outside link plate 420, and the front side of interior connecting plate 410 is connected to front deck crossbeam 220, rear side It is connected to front beam 210, outside is connected to front longitudinal beam 100, and the inside of outside link plate 420 is connected to front longitudinal beam 100, rear side connection In front beam 210.

In the embodiment that the disclosure provides, as shown in figure 32, for the structure for adapting to centre gangway 301, horizontal 310 shape of pressing plate As the first horizontal horizontal pressing plate 310B of pressing plate 310A and second for being located at 301 two sides of centre gangway.On the centre gangway 301 also Centre gangway cover board 302 is provided with to strengthen the structure of centre gangway 301, can prevent centre gangway 301 from becoming in an impact Shape, to protect occupant and be arranged in the cable of 300 lower section of floor panel.

In order to preferably optimize the Path of Force Transfer of body structure entirety, as shown in Figure 34, Figure 36 and Figure 37, front deck crossbeam 220 are connected in the front surface of front panel 320 and are overlapped with the front end of floor panel 300, before centre gangway cover board 302 includes Section passage cover plate 302A, the front end of leading portion passage cover plate 302A be connected to the front end of floor panel 300 and with front deck crossbeam 220 Position is overlapped, and rear end extands rearward to along the extending direction of centre gangway 301 and is aligned with front beam 210, and front beam 210 is by nearby 320 ground of coaming plate is mounted on the lower surface of floor panel 300.Therefore, energy is touched before vehicle to be passed by front longitudinal beam 100 It is handed to front beam 210 and is dispersed on the component of other bearing frames 700, also can be transferred to center by front deck crossbeam 220 On passage cover plate 302 and floor panel 300, it is squeezed and deformed to reduce front panel 320 caused by collision to the greatest extent, is located at protection Occupant in crew module.

Specifically, the height of projection of centre gangway 301 gradually increases to middle part from the front end of floor panel 300, and in It entreats the height of channel protrusion to be not more than 60mm, is further not more than 50mm, rationally to utilize interior space.In some embodiment party In formula, the upper surface of floor panel 300 is provided with horizontal pressing plate 310 and end compression plate 330 for inhibiting floor panel 300 to turn over, Optionally, centre gangway 301 can have lower height with concordant with the upper surface of horizontal pressing plate 310 and end compression plate 330, thus Guarantee that there is floor panel 300 more smooth top surface to promote the aesthetics of vehicle interior to facilitate arrangement interior vehicle components And riding comfort.Leading portion passage cover plate 302A is formed as cooperating with the outer profile of centre gangway 301 and being at least partly provide with The groove-like structure of centre gangway 301, by the technical solution, leading portion passage cover plate 302A covers the front end of centre gangway 301, with So that centre gangway 301 is able to bear collision moment biggish impact.Leading portion passage cover plate 302A can be with any suitable Mode is fixed on floor panel 300, for example, the lower edge of the opening of the groove-like structure of leading portion passage cover plate 302A is outside Fold adds leading portion passage cover plate flange 302a to be formed, and leading portion passage cover plate 302A passes through leading portion passage cover plate flange 302a connection In floor panel 300, also, the inner end of the first horizontal horizontal pressing plate 310B of pressing plate 310A and second can also be with leading portion passage cover plate 302A overlap joint, to increase the bonding strength of 300 upper surface of floor panel each component and floor panel 300, the first horizontal pressing plate 310A It can extend outwardly with the outer end of the second horizontal pressing plate 310B with the overlap joint of threshold internal plate 500, to strengthen the whole structure of the body structure It makes, and aid dispersion collision energy.

Further, which further includes that the back segment connecting with the rear end of leading portion passage cover plate 302A leads to Road cover board 302B, back segment passage cover plate 302B extend back from leading portion passage cover plate 302A along the roof of centre gangway 301, such as It extends to and is overlapped with front chair installation crossbeam 240.As shown in Figure 36 and Figure 37, to increase the collision Path of Force Transfer of body structure.

In the disclosure, which can also include the end compression plate 330 for being fixed on 300 top of floor panel, with reference to figure 38 and Figure 39, end compression plate 330 can be two corresponding with left front girder and front right longitudinal beam respectively, which divides Do not intersect with the first horizontal horizontal pressing plate 310B of pressing plate 310A and second, and end compression plate 330 and front longitudinal beam 100 are along the vertical direction on ground Projection on plate face plate 300 is at least partly overlapped.Therefore, when being touched before vehicle, end compression plate 330 can backstop front longitudinal beam 100 to On deformation, avoiding front longitudinal beam 100 from being folded upward at causes floor panel 300 to turn over, and protects the leg of occupant.

Horizontal pressing plate 310 can have the embodiment of a variety of intersections with end compression plate 330, as one of possible, such as figure Shown in 39, downwardly open escape groove 313, the escape groove are formed on the horizontal pressing plate side wall 312 of the groove-like structure of horizontal pressing plate 310 313 run through the horizontal pressing plate side wall 312, and end compression plate 330 passes through the escape groove 313 and intersects with horizontal pressing plate 310.Further, this is kept away Make the depth of slot 313 identical as the depth of groove-like structure of horizontal pressing plate 310, so that the upper surface of end compression plate 330 and horizontal pressing plate The lower surface of bottom wall 311 overlaps, to guarantee to have between horizontal pressing plate 310 and end compression plate 330 enough bonding strengths, and can be with Achieve the effect that the upper surface plane for making horizontal pressing plate.In interchangeable embodiment, horizontal pressing plate 310 and end compression plate 330 are also The cross plate structure that can be integrally formed.

Optionally, vertical press plate connection board 321 is connected in the rear surface of front panel 320, with reference to Figure 38 and Figure 40, end compression plate 330 are connected by the vertical press plate connection board 321 with front longitudinal beam 100, to increase the Path of Force Transfer of body structure, currently touch generation When, the colliding forces that front longitudinal beam 100 is subject to can also be even transferred on end compression plate 330 by vertical press plate connection board 321, into one Step ground, the end compression plate 330 can also continue to extend back to overlap with seat beam after intersecting with horizontal pressing plate 310, and the seat is horizontal Beam can be the front chair installation crossbeam 240 for being arranged at intervals on 210 rear of front beam or back seat installation crossbeam 260, to touch Hitting active force can also be transferred on the component of other body structures by end compression plate 330, to promote vehicle collision safety.Separately Outside, horizontal pressing plate and end compression plate also play booster action to floor panel.

Specifically, the connection type of front longitudinal beam 100, vertical press plate connection board 321 and end compression plate 330 can be by any appropriate Form connection.Front longitudinal beam 100 has the groove-like structure of upward opening, and indulging press plate connection board 321 has downwardly open channel-shaped Structure (refer to Figure 41), so that front longitudinal beam 100 and vertical press plate connection board 321 can be fastened and connected as hollow structure, to increase Add the impact strength of link position, and vertical press plate connection board 321, front panel 320 and the front longitudinal beam 100 can pass through three Layer weldering is connected as one, wherein the front end of end compression plate 330 and the rear end of vertical press plate connection board 321 are welded.

In the present embodiment, as shown in figure 40,330 shape of end compression plate can become downwardly open groove-like structure and including End compression board bottom wall 331 and end compression plate side wall 332, the lower edge of the opening of the groove-like structure of end compression plate turn down vertical to be formed outward Pressing plate flange 330a, end compression plate flange 330a are connected to floor panel 300, and to keep stable connection, and being also possible that should The groove-like structure of end compression plate 330 is aligned with the first stringer flange 100a of the rear end of front longitudinal beam 100 about floor panel 300, from And reinforce the bending strength of 100 rear end of front longitudinal beam, avoid the deformation of front longitudinal beam 100 that floor panel 300 is caused to turn over.

It should be noted that horizontal after crossbeam, such as front beam 210, floor involved in the body structure that the disclosure provides The vehicle body crossbeam 200 of disclosure offer can be used in beam 230 etc., when front beam 210 and Floor rear crossbeam 230 are respectively as electricity Chi Bao installs front beam and battery pack installation rear cross beam in use, the installation of the first mounting hole 701a of vehicle body crossbeam 200 and second Hole 701b is 600 mounting hole of battery tray for being formed as bearing frame 700.

Figure 42 to Figure 45 is the overview for the body structure that the disclosure provides, in conjunction with attached drawing it is found that the disclosure provided Body structure forms the Path of Force Transfer of multiple dispersion colliding forces during capable of touching before vehicle, specifically, in floor 300 top of plate, the Path of Force Transfer of colliding forces includes but is not limited to: 1) front longitudinal beam 100- indulges press plate connection board 321- end compression plate 330- seat beam；2) front deck crossbeam 220- centre gangway cover board 302- centre gangway 301；And two Path of Force Transfer are by cross Pressing plate 310 is connected to, and is further dispersed to threshold internal plate 500, and usually in crew module, especially driver's cabin, occupant is located at 301 side of 320 rear of front panel and centre gangway, which, which can either avoid collision, leads to floor panel 300 and front wall The generation of plate 320 significantly deforms, and the deformation for reducing floor panel 300 and front panel 320 is injured caused by occupant, additionally it is possible to be protected The transmission path for demonstrate,proving impact force avoids occupant.

Below floor panel 300, the Path of Force Transfer of colliding forces includes: that the floor front beam 210- front longitudinal beam 100- is vertical Beam 110 and threshold internal plate 500- floor side member 120, and further include front deck crossbeam 220, Floor rear crossbeam 230 and back seat installation Crossbeam 260 forms at least two closed loop frames of formation with aid dispersion colliding forces below floor panel 300, comprising:

1) the closed loop frame of front deck crossbeam 220, left front girder, front beam 210 and front right longitudinal beam composition, the closed loop frame is extremely It is had the advantages that less firstly, the impact load in front is born, including the primary collision load transmitted by Path of Force Transfer and drive The retrogressing collision impact of dynamic motor etc.；Second, closed frame-shaped structure has stronger stability, and optionally in reality In manufacture, also it can inhibit crew module front front panel by the way that beam wall thickness appropriate and the strength of materials is arranged to better assure Intrusion deformation；Third, the reinforcement structure which forms with the outside link plate 420 that 100 outside of front longitudinal beam is arranged in, It small biasing can effectively be adapted to touches equal wheels and has serious retreat deformation tendency collision operating condition, it is ensured that inhibit rear A column and door The deformation of sill inner panel 500；4th, by front deck crossbeam 220 to the robust structure between front beam 210, can front stringer (with And wheel in small offset collision) apply concentrfated load maximumlly disperse the threshold internal plate 500 for being transferred to crew module two sides and On longitudinal floor beam 110, and then further it is transmitted to vehicle body rear.Multiply when being touched before normal stress more effectively avoids to realize The deformation in member cabin.And

2) 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 battery pack 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 battery pack, and in space layout Battery pack with intensive feature is disposed with the electric heating management inside conducive to battery pack；Third, the closed loop frame and crew module, That is the geometric position of floor panel is substantially aligned on upper and lower position, so as to the anticollision of the frame structure or occupant's cabin structure The improvement of deformation can all be played the role of protecting occupant and battery pack 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.

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

1. a kind of body structure, which is characterized in that including front longitudinal beam (100) and front deck crossbeam (220), the front longitudinal beam (100) With main paragraph (100A) and it is connected to being turned under tune (100B) for the rear end main paragraph (100A), the front longitudinal beam (100) Including spaced left front girder and front right longitudinal beam in left-right direction, the front deck crossbeam (220) is installed on described left front vertical Beam and the described of the front right longitudinal beam are turned under on tune (100B), and are at least partially situated at the main paragraph (100A) Lower section.

2. body structure according to claim 1, which is characterized in that the front deck crossbeam (220) at least partly connects In the bottom for being turned under tune (100B).

3. body structure according to claim 2, which is characterized in that the tune (100B) that is turned under is formed as opening upwards Mouthful the first groove-like structure and including the first stringer bottom wall (101) and the first stringer side wall (102), first groove-like structure The top edge of opening is turned down outward to form the first stringer side wall flange (102a), the first stringer bottom wall (101) connection The main paragraph (100A) rear end and be bent downwardly.

4. body structure according to claim 3, which is characterized in that the front deck crossbeam (220) is formed as upward opening The second groove-like structure, the end of second groove-like structure is attached at least to described be turned under described the first of tune (100B) On stringer bottom wall (101).

5. body structure according to claim 4, which is characterized in that the edge of the opening of second groove-like structure to To form the first flange (220a) extended along the left and right directions, first flange (220a) is vertical with described first for outer fold Beam side wall flange (102a) overlap joint.

6. body structure according to claim 4, which is characterized in that the end of second groove-like structure turn down outward with Form the second flange (220b) vertically extended, second flange (220b) and the first stringer side wall (102) Overlap joint.

7. body structure according to claim 4, which is characterized in that the end of second groove-like structure is also formed with edge The third flange (220c) that the left and right directions extends, the third flange (220c) are taken with the first stringer bottom wall (101) It connects.

8. body structure according to any one of claims 4 to 7, which is characterized in that front deck crossbeam (220) shape As segmentation structure, including cross-beam body and the end linkage section for being connected to the cross-beam body both ends, second channel-shaped The opening width of structure becomes larger along the cross-beam body to the end linkage section.

9. body structure according to claim 1, which is characterized in that the tune (100B) that is turned under is along wheel envelope shape At the inner fovea part (105) having for avoiding wheel, the front deck crossbeam (220) is arranged at the inner fovea part (105).

10. body structure according to claim 8, which is characterized in that the inner wall of the front longitudinal beam (100) corresponds to described The position of inner fovea part (105) is connected with stiffening plate.

11. body structure according to claim 1, which is characterized in that be provided on the main paragraph (100A) for pacifying The installation point of subframe is filled, so that the power device of vehicle is arranged at the main paragraph (100A) by the subframe The front of the square and described front deck crossbeam (220).

12. body structure according to claim 1, which is characterized in that the body structure further includes floor panel (300), and be connected to the floor panel (300) front end front panel (320), the front deck crossbeam (220) is arranged in institute State the front of front panel (320).

13. body structure according to claim 12, which is characterized in that the front deck crossbeam (220) be connected to it is described before On coaming plate (320).

14. body structure according to claim 12, which is characterized in that the body structure further includes front beam (210), The front beam (210) is arranged at intervals on the rear of the front deck crossbeam (220), the front deck crossbeam (220) and the preceding cross Beam is connected with force transferring structure between (210).

15. body structure according to claim 14, which is characterized in that the front beam (210) is to be fixed on floor Vehicle body crossbeam on plate (300) lower surface.

16. body structure according to claim 14, which is characterized in that the front beam (210) is close to automobile body fore-cabin Vehicle body crossbeam, perhaps for close to front panel (320) installation vehicle body crossbeam or be close to threshold internal plate front end installation vehicle Body crossbeam, or to install the vehicle body crossbeam in front of crossbeam set on front chair.

17. body structure according to claim 14, which is characterized in that the front beam (210) is before battery pack is installed Crossbeam.

18. body structure according to claim 1, which is characterized in that the Z of the front-end and back-end of the front longitudinal beam (100) The distance that projection on direction is staggered in the Y direction is not more than 80mm.

19. a kind of vehicle, which is characterized in that including body structure described according to claim 1 any one of -18.