CN109204468A

CN109204468A - Body structure and vehicle

Info

Publication number: CN109204468A
Application number: CN201710527337.1A
Authority: CN
Inventors: 黎秀宁; 嵇明; 张荣荣; 董骁; 王子纯
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: CN109204468B

Abstract

This disclosure relates to a kind of body structure and vehicle, the body structure includes front longitudinal beam (100), front deck crossbeam (220) and front beam (210), 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 connected on the left front girder and the front right longitudinal beam, the front beam (210) connect with the rear end of the front longitudinal beam (100), there is the gap passed through at least one of cooling line and cable between the front beam (210) and the floor panel (300).The strength and stability of body structure when the body structure that the disclosure provides touches before capable of effectively being promoted, so that the security performance of vehicle is higher.

Description

Body structure and vehicle

Technical field

This disclosure relates to technical field of vehicle, and in particular, to a kind of body structure and the vehicle with the body 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 addition, in order to promote endurance distance, electric car needs to be equipped with more recently as the fast development of electric car The battery pack added compares the fuel vehicle of same specification in this way, and complete vehicle weight will be dramatically increased in electric car, this is resulted in Under same experimental condition, the increase of the collision initial stage vehicle kinetic energy of vehicle, that is to say, the body structure of electric car needs energy It enough undertakes bigger power and absorbs more kinergeties to promote safety.Further, in electric car, due to needing Arrange battery pack, the space of a large amount of body bottom sections is occupied, the vehicle body collision safety structure skill of the various classics of conventional fuel oil car Art is not available, therefore designs a kind of novel body structure technology gesture for being not only able to satisfy battery pack arrangement but also be able to satisfy vehicle safety It must go.

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, front deck crossbeam and front beam, The front longitudinal beam includes that spaced left front girder and front right longitudinal beam, the front deck crossbeam are connected to the left side in left-right direction On front longitudinal beam and the front right longitudinal beam, the front beam is connect with the rear end of the front longitudinal beam, the front beam and the floor There is the gap passed through at least one of cooling line and cable between panel.

Optionally, the front beam is the vehicle body crossbeam being fixed on floor panel lower surface, and the floor panel is located at The rear of the front deck crossbeam.

Optionally, the rear end of the front longitudinal beam is only connected with the front beam.

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, it raises upward in the middle part of the floor panel to form the centre gangway extended along the longitudinal direction, it is described Front beam crosses the centre gangway from one end of the floor panel in left-right direction and extends to the another of the floor panel End, to limit the gap jointly with the centre gangway.

Optionally, the front beam is formed as the first groove-like structure of upward opening, including crossbeam bottom wall and beam side wall, institute The top edge for stating the opening of the first groove-like structure is turned down outward to form crossbeam opening hole flanging, and the front beam passes through the cross Beam opening hole flanging is connected to the floor panel.

Optionally, the front longitudinal beam is overlapped on the crossbeam bottom wall, the beam side wall and the crossbeam opening turning respectively Bian Shang, the rear end of the front longitudinal beam is formed as the second groove-like structure of upward opening, including stringer bottom wall and stringer side wall, described The top edge of the opening of second groove-like structure is turned down outward to form the first stringer flange, and the end of the stringer side wall is outside Fold is to form the second stringer flange, and the end of the stringer bottom wall extends outwardly to form stringer bottom wall overlap edge, wherein institute It states the first stringer flange and the crossbeam opening hole flanging overlaps, the second stringer flange and the beam side wall overlap, described Stringer bottom wall overlap edge and the crossbeam bottom wall overlap.

Optionally, the position that the front longitudinal beam is correspondingly connected with the front deck crossbeam is formed as extending along the longitudinal direction and upwards The third groove-like structure of opening, including the first stringer bottom wall and the first stringer side wall, the opening of the third groove-like structure Top edge is turned down outward to form the first stringer side wall flange, the front deck crossbeam respectively with the first stringer bottom wall, first Stringer side wall and the first stringer side wall flange overlap joint, the front deck crossbeam shape becomes the 4th groove-like structure of opening upwards, described The edge of the opening of 4th groove-like structure flips up the first flange for being formed with and extending in left-right direction, the 4th channel-shaped knot The end of structure is turned down outward to form the second flange vertically extended, and the end of the 4th groove-like structure is also formed with The third flange extended along the longitudinal direction, wherein first flange and the first stringer side wall flange overlap, and described second Flange and the first stringer side wall overlap, and the third flange and the first stringer bottom wall overlap.

Optionally, the front longitudinal beam is formed with the inner fovea part for avoiding wheel along wheel envelope, and the front deck crossbeam is set It sets at the inner fovea part, the position that the inner wall of the front longitudinal beam corresponds to the inner fovea part is connected with stiffening plate.

Optionally, the front deck crossbeam is arranged in the front of the front panel and is connected in front panel, the front panel It is connected to the floor panel front end.

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

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

Through the above technical solutions, the body structure that the disclosure provides can effectively be promoted before when touching body structure intensity And stability, so that the security performance of vehicle 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 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 beam, front panel and floor panel；

Fig. 4 is the connection relationship diagram of front longitudinal beam and front beam in Fig. 3；

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

Fig. 6 is the connection relationship diagram of front longitudinal beam and front deck crossbeam in Fig. 3；

Fig. 7 is the connection relationship detail view of front longitudinal beam and front deck crossbeam in Fig. 3；

Fig. 8 is another local structure perspective for the body structure that the disclosure provides, and interior connecting plate and outer is shown Connecting plate；

Fig. 9 is the connection relationship detail view of interior connecting plate and body structure other component in Fig. 8；

Figure 10 is the connection relationship detail view of outside link plate and body structure other component in Fig. 8；

Figure 11 is the first embodiment of the first mode of texturing of body structure in Fig. 8, wherein the first attachment beam and second Attachment beam is formed as one Formula X shape attachment beam；

Figure 12 is the second embodiment of the first mode of texturing of body structure in Fig. 8, wherein the first attachment beam and second Attachment beam is formed as split type X-shaped attachment beam；

Figure 13 is the 3rd embodiment of the first mode of texturing of body structure in Fig. 8, wherein the first attachment beam and second Attachment beam is formed as split type cross attachment beam；

Figure 14 is the first embodiment of second of mode of texturing of body structure in Fig. 8, including front deck middle cross beam and Attachment beam, and attachment beam and front deck crossbeam surround triangular structure；

Figure 15 is the second embodiment of second of mode of texturing of body structure in Fig. 8, including front deck middle cross beam and Attachment beam, and attachment beam and front beam surround triangular structure；

Figure 16 is the schematic diagram of the third mode of texturing of body structure in Fig. 8, and wherein the back segment of front longitudinal beam is formed as interior Curved segment, and outside is connected with attachment beam, and interior curved segment and attachment beam form timbering with rafter arch sets；

Figure 17 is the first embodiment of the 4th kind of mode of texturing of body structure in Fig. 8, and wherein the back segment of front longitudinal beam is formed For outer curved segment, and the outer curved segment and front beam overlap；

Figure 18 is the second embodiment of the 4th kind of mode of texturing of body structure in Fig. 8, and wherein the back segment of front longitudinal beam is formed For outer curved segment, and the outer curved segment is overlapped with front beam and threshold internal plate respectively；

Figure 19 is the 3rd embodiment of the 4th kind of mode of texturing of body structure in Fig. 8, wherein the inside of outer curved segment connects There is attachment beam, and attachment beam and outer curved segment form timbering with rafter arch sets；

Figure 20 is the detail view of the connection relationship of attachment beam and outer curved segment in Figure 19；

Figure 21 is the fourth embodiment of the 4th kind of mode of texturing of body structure in Fig. 8, wherein being connected between outer curved segment Front deck middle cross beam is connected with attachment beam between the front deck middle cross beam and front deck crossbeam；

Figure 22 is the detail view of the connection relationship of front deck middle cross beam and outer curved segment in Figure 21；

Figure 23 is the detail view of the connection relationship of attachment beam and front deck middle cross beam and front deck crossbeam in Figure 21；

Figure 24 is the schematic diagram of the 5th embodiment of the 4th kind of mode of texturing of body structure in Fig. 8；

Figure 25 is the schematic diagram of the sixth embodiment of the 4th kind of deformation of body structure in Fig. 8 at that time；

Figure 26 is the schematic diagram of the first embodiment of the Path of Force Transfer for the body structure that the disclosure provides；

Figure 27 is the connection relationship detail view of front beam in Figure 26, longitudinal floor beam and threshold internal plate；

Figure 28 is the connection relationship detail view of front beam and longitudinal floor beam in Figure 26；

Figure 29 is the connection relationship detail view of front beam and threshold internal plate in Figure 26；

Figure 30 is the detail view at another visual angle of the connection relationship of front beam and threshold internal plate in Figure 26；

Figure 31 is the schematic diagram of second of embodiment of the Path of Force Transfer for the body structure that the disclosure provides, wherein preceding horizontal Beam is connect by middle connecting plate with threshold internal plate；

Figure 32 is another schematic diagram of second of embodiment of the Path of Force Transfer for the body structure that the disclosure provides, wherein Front beam, longitudinal floor beam and threshold internal plate are connected by middle connecting plate；

Figure 33 is the schematic diagram of the third embodiment of the Path of Force Transfer for the body structure that the disclosure provides, wherein preceding Crossbeam is connect by longitudinal floor beam with threshold internal plate；

Figure 34 is another schematic diagram of the third embodiment of the Path of Force Transfer for the body structure that the disclosure provides；

Figure 35 is showing for the first embodiment of the 4th kind of embodiment of the Path of Force Transfer for the body structure that the disclosure provides It is intended to；

Figure 36 is showing for the second embodiment of the 4th kind of embodiment of the Path of Force Transfer for the body structure that the disclosure provides It is intended to；

Figure 37 is showing for the 3rd embodiment of the 4th kind of embodiment of the Path of Force Transfer for the body structure that the disclosure provides It is intended to；

Figure 38 is showing for the first embodiment of the 5th kind of embodiment of the Path of Force Transfer for the body structure that the disclosure provides It is intended to；

Figure 39 is the connection relationship detail view of front longitudinal beam and front deck crossbeam in Figure 38；

Figure 40 is another visual angle detail view of the connection relationship of front longitudinal beam and front deck crossbeam in Figure 38；

Figure 41 is the connection relationship detail view of connecting plate and front deck crossbeam in Figure 38；

Figure 42 is the connection relationship detail view of connecting plate and front beam in Figure 38；

Figure 43 is showing for the second embodiment of the 5th kind of embodiment of the Path of Force Transfer for the body structure that the disclosure provides It is intended to；

Figure 44 is showing for the 3rd embodiment of the 5th kind of embodiment of the Path of Force Transfer for the body structure that the disclosure provides It is intended to；

Figure 45 is showing for the fourth embodiment of the 5th kind of embodiment of the Path of Force Transfer for the body structure that the disclosure provides It is intended to；

Figure 46 is showing for the 5th embodiment of the 5th kind of embodiment of the Path of Force Transfer for the body structure that the disclosure provides It is intended to；

Figure 47 is the schematic diagram of the 6th kind of embodiment of the Path of Force Transfer for the body structure that the disclosure provides；

Figure 48 is the detail view of the connection relationship of connecting plate and threshold internal plate in Figure 47；

Figure 49 is the schematic diagram of the 7th kind of embodiment of the Path of Force Transfer for the body structure that the disclosure provides；

Figure 50 is the detail view of the connection relationship of connecting plate and longitudinal floor beam in Figure 49；

Figure 51 is the schematic diagram of the bearing frame in the body structure that the disclosure provides；

Figure 52 is another schematic diagram of the bearing frame in the body structure that the disclosure provides, and battery tray is shown Disk；

Figure 53 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 54 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 55 is the positional diagram of horizontal pressing plate, floor panel and front beam in Figure 54；

Figure 56 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 57 is the schematic diagram of the mode of texturing of the intermediate gap Figure 56；

Figure 58 is the connection relationship diagram of centre gangway cover board and front deck crossbeam in the body structure of disclosure offer；

Figure 59 is the connection relationship diagram of centre gangway cover board and front panel in the body structure of disclosure offer；

Figure 60 is another structural schematic diagram of floor panel upper surface in the body structure of disclosure offer；

Figure 61 is the positional diagram of horizontal pressing plate, end compression plate, floor panel and front beam in Figure 60；

Figure 62 is the details enlarged drawing of Figure 61；

Figure 63 is the positional diagram that press plate connection board and front longitudinal beam are indulged in Figure 60；

Figure 64 is the schematic diagram of body top section structure Path of Force Transfer in the body structure of disclosure offer, and wherein front longitudinal beam is logical Power transmission connection part is crossed to connect with vehicle A column；

Figure 65 is the explosive view of Figure 64；

Figure 66 is the connection relationship diagram of front longitudinal beam and vehicle A column in Figure 64；

Figure 67 is a kind of top view of the embodiment for the body structure that the disclosure provides；

Figure 68 is a kind of bottom view of the embodiment for the body structure that the disclosure provides；

Figure 69 is a kind of perspective view of the embodiment for the body structure that the disclosure provides；

Figure 70 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 deck " that is related to, " crew module ", " front panel ", " floor panel ", " threshold internal plate " are meant that it in this field Interior common art-recognized meanings.

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, with reference to Fig. 1 and Fig. 2, supporting element can be multiple and set gradually along channel-shaped cross-beam body, because This can reduce the production and installation difficulty of supporting element, and can guarantee the even intensity of vehicle body crossbeam 200 along its length Distribution promotes vehicle body crossbeam 200 on the whole and bears the ability hit.In other possible embodiments, supporting element can be with The size of the length direction of cross-beam body is roughly the same, that is, uses the beam side wall of a supports support channel-shaped cross-beam body 202, or multiple supports are arranged along the length direction interval of channel-shaped cross-beam body according to the collision forced position of vehicle body crossbeam 200 Part.

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 340 lower ends installation, the front beam 210 can be positioned at the lower section of vehicle passenger compartment.Wherein, front beam range gate The distance of the front end of sill inner panel 500 can be in 30mm to 1000mm, when for close to the installation of 500 front end of doorframe inner panel, distance The distance of the front end of threshold internal plate is 30mm to 140mm.According further to vehicle difference, in some embodiments, front beam is also Can be 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.This In external 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 200 connective stability, and convenient for the power from stringer to be distributed on vehicle body crossbeam 200.The vehicle body crossbeam 200 in this way The linkage section for connecting respectively with stringer and connecting plate can be formed on channel-shaped cross-beam body in left-right direction, is connected accordingly The outer surface of section is connect for overlapping respectively with stringer and connecting plate.Wherein when only being overlapped with one of stringer or connecting plate, Linkage section is 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 some embodiments for the body structure being described below, vehicle body crossbeam 200 is formed as front beam 210, The front beam 210 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 backward, More specifically the rear end of front longitudinal beam 100 is only connected with front beam 210, that is, in the present embodiment, the rear end of front longitudinal beam is not lain in Other component is connected and is only connected with front beam 210, in other embodiments, before the rear end of front longitudinal beam 100 ends in backward It can also be extended down to outside two sides in the structures such as threshold internal plate 500 while crossbeam 210.Correspondingly, in the present embodiment, connection Section includes the length direction interval along channel-shaped cross-beam body and symmetrically arranged first linkage section and the second linkage section, the first connection Section is for connecting corresponding front longitudinal beam 100, and for the second linkage section for connecting corresponding connecting plate, connecting plate can be according to practical need The inside and or outside of front longitudinal beam 100 is set, and fagging 203 includes being arranged along the length direction interval of channel-shaped cross-beam body The first fagging 203A and the second fagging 203B (refer to Fig. 2), the inclined plate 205 of the first outer end fagging 203A and the first linkage section Outer end is aligned along the longitudinal direction, and the inclined plate 205 of the second outer end fagging 203B is aligned along the longitudinal direction with the outer end of the second linkage section. It should be noted that in the disclosure, " alignment " refers to two components along a direction (front-rear direction in such as disclosure or up and down Direction) at least part of coincidence of projection.

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 201, stiffening plate 208 offers second coaxial with the first mounting hole 701a Mounting 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 It can be used for installing vehicle component, such as carry the battery tray of battery pack, is i.e. the first mounting hole 701a and the second mounting hole 701b is above-mentioned battery tray fastener hole 701.

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 202, which can also outwardly or inwardly turn down, is formed with beam-end flange 200b, crossbeam bottom wall 201 end has extended outwardly to form crossbeam bottom wall overlap edge 200c, so that the vehicle body crossbeam 200 can pass through crossbeam end The other component of portion flange 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 70 Second aspect provide body structure some embodiments.Wherein, body structure may include front longitudinal beam 100, floor Plate 300 and front beam 210, the front end of floor panel 300 are connected with front panel 320, as shown in figure 3, the crew module of vehicle limits In the rear of front panel 320 and the top of floor panel 300.

Front beam 210 is fixed on the lower surface of floor panel 300 and the rear end of front longitudinal beam 100 and is connected to front beam 210, I.e. front longitudinal beam 100 ends in front beam 210, so that the support to 100 rear end of front longitudinal beam is formed when touching before vehicle, to disperse The collision impact that front longitudinal beam 100 transmits avoids 100 back segment of front longitudinal beam deformation invasion crew module.Also, front beam 210 is consolidated Surely the lower surface for being connected to floor panel 300 can play the role of reinforcing floor panel 300, (touch before including when avoiding collision And side impact) 300 excessive deformation of floor panel, fold etc. squeeze crew module.Optionally, the width of front longitudinal beam 100 in left-right direction It is maximum in the junction with front beam 210, that is, front longitudinal beam 100 can gradually broaden towards front beam, pass through biggish junction Width can be so that front beam 210 can more steadily overlap front longitudinal beam 100.

In order to adapt to the overall structure of vehicle, guarantee that front part of vehicle has sufficient installation space, front longitudinal beam 100 includes edge The tie point of the spaced apart left front girder of left and right directions and front right longitudinal beam, left front girder and front right longitudinal beam and front beam 210 closes It is symmetrical arranged in the central point on 210 left and right directions of front beam, and is located at central point and the end of the front beam 210 Between at the golden section point of the end so that front beam can more preferably carry two front longitudinal beams backward Transmission force, so that the crashworthiness of body structure is more preferable.In addition, in order to adapt to body structure, the front end of front longitudinal beam 100 The distance being staggered in the Y direction with the projection in the Z-direction of rear end is no more than 80mm.That is, the throwing of the rear end and front end of front longitudinal beam Shadow inexcessive deviation in the lateral direction, to guarantee straight degree on the left and right directions of front longitudinal beam preferably, to guarantee front longitudinal beam Intensity.

In the present embodiment, with reference to shown in Fig. 4 and Fig. 5, front beam 210 is formed as the groove-like structure of upward opening, and And including crossbeam bottom wall 201 and beam side wall 202, the top edge of the opening of the groove-like structure of front beam 210 turn down outward with The crossbeam opening hole flanging 200a extended in left-right direction is formed, front beam 210 is connected to floor by crossbeam opening hole flanging 200a The lower surface of panel 300, so that floor panel 300 also constitutes a part of body structure Path of Force Transfer, to indulge before aid dispersion The collision impact that beam 100 transmits, meanwhile, front beam 210 and floor panel 300 surround the support knot with hollow cross section Structure enhances the collision resistance of body structure, facilitates the collision deformation for reducing floor panel 300.The end of beam side wall 202 It can also outwardly or inwardly turn down to be formed and vertically extend beam-end flange 200b, the end of crossbeam bottom is to extension It stretches to form the crossbeam bottom wall overlap edge 200c extended along the longitudinal direction, in order to which front beam 210 can be turned over by beam-end The other component of side 200b and crossbeam bottom wall overlap edge 200c and body structure, such as hereafter ground involved in some embodiments The overlap joint such as plate stringer 110, threshold internal plate 500.

As shown in Figure 4 and Figure 5, front longitudinal beam 100 can be connected to front beam 210 by any suitable mode, in order to protect The connection relationship for demonstrate,proving front longitudinal beam 100 and front beam 210 is stablized, front longitudinal beam 100 can respectively with crossbeam bottom wall 201, beam side wall 202 and crossbeam opening hole flanging 200a overlap joint.Specifically, the rear end of front longitudinal beam 100 can also be formed as the channel-shaped knot of upward opening Structure, and including stringer bottom wall 103 and stringer side wall 104, the top edge of the opening of the groove-like structure of 100 rear end of front longitudinal beam is outside To form the first stringer flange 100a extended along the longitudinal direction, the end of stringer side wall 104 is turned down outward to form edge for fold The second stringer flange 100b that up and down direction extends, the end of stringer bottom wall 103 extends outwardly to form to be extended in left-right direction Stringer bottom wall overlap edge 100c, wherein the first stringer flange 100a and crossbeam opening hole flanging 200a are overlapped, the second stringer flange 100b and beam side wall 202 overlap, and stringer bottom wall overlap edge 100c and crossbeam bottom wall 201 overlap.

As shown in Figure 3 and Figure 6, front longitudinal beam 100 includes spaced left front girder and front right longitudinal beam in left-right direction, and And front longitudinal beam 100 includes the inner fovea part 105 being formed with for avoiding wheel along wheel, to adapt to the overall structure of vehicle body, in order to Front longitudinal beam 100 is bent at the inner fovea part 105 when touching before avoiding, and is invaded front panel 320 or is squeezed positioned at front part of vehicle Other elements, the position that the inner wall of front longitudinal beam 100 corresponds to inner fovea part 105 are connected with stiffening plate.It is indulged before the left front girder and the right side Front deck crossbeam 220 can also be connected on beam, front deck crossbeam 220 is arranged in the front of front panel 320 and can connect in front wall On plate 320, to move backward for backstop front part of vehicle element, and it can also play the role of reinforcing front panel 320, so that Front panel 320 is not susceptible to collision deformation.In addition in some embodiments, before front deck crossbeam 220 can also be spaced on The front of coaming plate 320 with front panel without being connected.

Also, front deck crossbeam 220, left front girder, front beam 210 and front right longitudinal beam can surround closed loop frame, so that should The intensity of partial body structure is higher, is able to bear the retrogressing impact of biggish primary collision load and front part of vehicle component, And 210 power transmission of front deck crossbeam 220 and front beam can also be utilized, front part of vehicle deformation is reduced, occupant is protected and is arranged preceding The vehicle component at 210 rear of crossbeam, such as battery pack.Front deck crossbeam 220 can also be connected at the inner fovea part 105 of front longitudinal beam 100, To form the support to front longitudinal beam 100,100 bending of front longitudinal beam is avoided.

Front deck crossbeam 220 can be connected on left front girder and front right longitudinal beam according to any other mode appropriate.Specifically Ground, the connection relationship to guarantee between front deck crossbeam 220 and front longitudinal beam 100 is stablized, as shown in fig. 7, front longitudinal beam 100 is correspondingly connected with The position of front deck crossbeam 220 is formed as the groove-like structure along the extension of vehicle front-rear direction and upward opening, including the first stringer bottom Wall 101 and the first stringer side wall 102, the top edge of the opening of the groove-like structure of the front longitudinal beam 100 are turned down outward to form edge The first stringer side wall flange 102a that front-rear direction extends, front deck crossbeam 220 are formed as the groove-like structure of upward opening, the front deck The end of the groove-like structure of crossbeam 220 is attached at least on the first stringer bottom wall 101, so that front deck crossbeam 220 can be compared with The movement of backstop front part of vehicle element well.Optionally, front deck crossbeam 220 can also by it is any other it is appropriate in a manner of be connected to On left front girder and front right longitudinal beam.

Correspondingly, the edge of the opening of the groove-like structure of front deck crossbeam 220 turns down (turn down forward or backward) outward To form the first flange 220a extended in left-right direction, end is turned down (turn down forward or backward) outward to be formed vertically The second flange 220b that direction extends, which is also formed with the third flange 220c extended along the longitudinal direction, wherein first turns over Side 220a and the first stringer side wall flange 102a is overlapped, and the second flange 220b and the first stringer side wall 102 overlap, third flange 220c and stringer bottom wall 103 overlap, and in actually manufacture, the connection type of each flange and front longitudinal beam 100 can be to overlap and weld It connects, to promote the bonding strength of front deck crossbeam 220 and front longitudinal beam 100, to guarantee that front deck crossbeam 220 can preferably bear vehicle Power device shock.

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.

Since collision impact is concentrated mainly on the back segment of front longitudinal beam 100, then by other body structures to after vehicle Part dissipates, therefore the back segment of front longitudinal beam 100 needs enough intensity, to guarantee the good communication of collision impact, and prevents Only 100 back segment deformable squeeze front panel 320 of front longitudinal beam.Therefore, as shown in Fig. 8 to Figure 10, body structure can also include interior company Fishplate bar 410 and outside link plate 420 or in which one, can play the role of reinforcing simultaneously 100 back segment of righting front longitudinal beam.

Specifically, interior connecting plate 410 is connected to the inside of front longitudinal beam 100, and is located at front deck crossbeam 220 and front beam Between 210, interior connecting plate 410 can also be connect at least one of front deck crossbeam 220 and front beam 210, in this way, this interior connects Fishplate bar 410 can also aid dispersion collision impact, avoid the excessive bending of the back segment of front longitudinal beam 100, cause front panel 320 become Shape squeezes crew module space.

As shown in Figure 8 and Figure 9, interior connecting plate 410 may include interior connection bottom wall 411, and interior connection bottom wall 411 has head and the tail Sequentially connected interior connecting plate first edge, the 4th side of interior connecting plate second edge, interior connecting plate third edge and interior connecting plate Edge, interior connecting plate first edge extend along front beam 210 and overlap with the front beam 210, and interior connecting plate second edge is along preceding vertical Beam 100 extends and overlaps with the front longitudinal beam 100, interior since front deck crossbeam 220 is located at the top of front beam 210 along the vertical direction Be connected on connecting plate third edge angularly upwardly extend first in connection side wall 412 with adapt to front deck crossbeam 220 with The positional relationship of front beam 210 in above-below direction, the first interior connection side wall 412 and front deck crossbeam 220 overlap, interior connecting plate the 4th It is connected on edge in second upwardly extended and connects side wall 413, connection side wall 413 and front beam 210 overlap in second.

In detail, with reference to Fig. 9, interior connecting plate first edge extends outwardly to form the interior connecting plate extended in left-right direction First overlap edge 410a, the top edge of the second interior connection side wall 413 is turned down outward to be formed in extend along the longitudinal direction second The first flange of side wall 410b is connected, connection side wall 413 is turned down outward close to the end of interior connecting plate first edge with shape in second At connection the second flange of side wall 410c in second vertically extended.Wherein:

Interior connecting plate the first overlap edge 410a and crossbeam bottom wall 201 overlap, in second connection side wall the first flange 410b with Crossbeam opening hole flanging 200a overlap joint, second interior connection side wall the second flange 410c and beam side wall 202 overlap；

Interior connecting plate second edge extends outwardly to form interior the second overlap edge of connecting plate 410d, and interior connecting plate second overlaps Side 410d and stringer bottom wall 103 overlap；

The top edge of connection side wall 412 is turned down outward to be formed and connect side wall flange 410e in first in first, in first The cell wall for connecting the groove-like structure of side wall flange 410e and front deck crossbeam 220 overlaps.

Modes such as welding metal plates can also be provided with reinforcement structure on interior connecting plate 410, thus before further strengthening The intensity of 100 back segment of stringer avoids 100 back segment of front longitudinal beam because of collision bending invasion front panel 320.

As shown in figs, the outside of front longitudinal beam 100 is arranged in outside link plate 420, and can be with front longitudinal beam 100 It is connected with front beam 210, to play the role of reinforcing front longitudinal beam 100, and the case where vehicle small offset collision can be suitable for, i.e., It hits and occurs in the outside of front longitudinal beam 100, at this moment the stress of front longitudinal beam 100 is smaller, and the effect of the crumple energy-absorbing played is poor, vehicle Wheel bears to hit and retreat compressing vehicle A column and front panel 320, and body structure is easy to cause to deform, and squeezes crew module.

The outside of front longitudinal beam 100 is located at due to outside link plate 420 and is overlapped respectively with front longitudinal beam 100, front beam 210, Therefore it is touched partially small, outside link plate 420 is able to bear wheel and hits and front side rails 100 and front beam 210 power transmissions, further Ground, outside link plate 420 can also extend outwardly to overlap with threshold internal plate 500, so that the active force of small offset collision is also It can be transferred to rear of vehicle by threshold internal plate 500, to reduce the change of vehicle A column and front panel 320 caused by collision impact Shape.Vehicle frontal collision, when 100 stress of front longitudinal beam is larger, collision impact can also disperse power transmission by outside link plate 420, avoid 100 back segment bending of front longitudinal beam deformation invasion vehicle dash panel plate 320.

Specifically, refering to what is shown in Fig. 10, outside link plate 420 may include outer connection bottom wall 421, the outer connection bottom wall 421 Be formed as quadrangle, and there is the sequentially connected outside link plate first edge of head and the tail, outside link plate second edge, outside link plate the The 4th edge of three edges and outside link plate, wherein outside link plate first edge along front beam 210 extend and with the front beam 210 Overlap joint, outside link plate second edge extend along front longitudinal beam 100 and overlap with the front longitudinal beam 100, and outside link plate third connects on edge It is connected to the outer connection side wall 422 upwardly extended, and the outer connection side wall 422 is also overlapped with front longitudinal beam 100, outside link plate the 4th Edge extends along threshold internal plate 500 and overlaps with the threshold internal plate 500.

In detail, outside link plate first edge extends outwardly to form the outside link plate first extended in left-right direction and overlaps Side 420a, the outside link plate the first overlap edge 420a and crossbeam bottom wall 201 overlap；Outside link plate second edge extends outwardly with shape At the second overlap edge of the outside link plate 420b extended along the longitudinal direction, the top edge of outer connection side wall 422 is turned down outward to be formed The first flange of outer connection side wall 420c, outer connection side wall 422 are turned down outward close to the end of outside link plate second edge to be formed Outer the second flange of the connection side wall 420d vertically extended, wherein outside link plate the second overlap edge 420b and stringer bottom wall 103 overlap joints；Outer connection side wall the first flange 420c and the first stringer flange 100a is overlapped；Outer connection side wall the second flange 420d with Stringer side wall 104 overlaps；The 4th edge of outside link plate extends outwardly to form the 4th overlap edge 420e of outside link plate；Outer connecting side Wall 422 extends outwardly close to the end at the 4th edge with the lapping ends with threshold internal plate 500.Further, outside link plate 420 Also overlapped by outer connection side wall the first flange 420c and front panel 320.

In the present embodiment, as shown in figs, outside link plate 420 is generally formed into trapezium structure, wherein outer The length of connecting plate second edge is greater than the length at the 4th edge of outside link plate, and outside link plate third edge is in outside link plate second Arc transition is between the 4th edge of edge and outside link plate to avoid wheel.Therefore, when preceding touching, outside link plate 420 can be incited somebody to action The collision impact for concentrating on the back segment of front longitudinal beam 100 is dispersed to the rear of threshold internal plate 500 and body structure, preceding vertical to reduce The downthrust intensity that 100 back segment of beam is born, also, the trapezium structure of outside link plate 420 has front longitudinal beam 100 preferably Lateral stability, it is not easy to bending.

In order to improve the intensity of outside link plate 420, the case where especially coping with above-mentioned small offset collision, outside link plate 420 On be additionally provided with reinforcement structure for carrying front-rear direction active force.Specifically, which can be formed as from outer company The reinforcing rib that fishplate bar first edge extends towards outside link plate third edge, wheel is along the longitudinal direction on outside link plate 420 Projection is at least partly overlapped with the end of reinforcing rib, and to carry the shock of wheel, alternatively, which can also be with shape As metal plate or filling CBS (composite reinforcing material).

In actually manufacture, the body structure that front longitudinal beam 100, interior connecting plate 410 and outside link plate 420 form be can have Various deformation, that is, alternative, for example, by reinforce increase by 100 back segment of front longitudinal beam material thickness reinforcement can be played before The effect of 100 back segment of stringer and power transmission.Specifically, the first mode of texturing can be with reference to figures 11 to shown in Figure 13, wherein vehicle body Structure includes front longitudinal beam 100 and outside link plate 420, and the inside of front longitudinal beam 100 does not pass through interior connecting plate 410 and supports, but preceding To be connected at an angle to each otherly is set on the closed loop frame that cabin crossbeam 220, left front girder, front beam 210 and front right longitudinal beam surround One attachment beam 810 and the second attachment beam 820, to form the intersection power transmission of closed loop lower portion, and can be by the closed loop frame Inside is separated into multiple subframes, to increase the intensity of closed loop frame and form the support to the closed loop frame.Specifically, such as Shown in Figure 11 and Figure 12, first attachment beam 810 and the second attachment beam 820 can be formed as X-shaped attachment beam, X-shaped attachment beam Four ends are overlapped with the corner of the closed loop frame respectively, to reinforce the intensity of the corner positions of closed loop frame；Or such as Figure 13 Shown, the first attachment beam 810 and the second attachment beam 820 are formed as cross attachment beam, wherein the first attachment beam 810 is along front and back To extension and both ends are overlapped with front deck crossbeam 220 and front beam 210 respectively, and the second attachment beam 820 is along left and right extension and two End is overlapped with left front girder and front right longitudinal beam respectively, can increase Path of Force Transfer in vehicle collision；Or 800 shape of attachment beam As V-arrangement attachment beam, wherein the front end of the first attachment beam 810 and the second attachment beam 820 be overlapped on respectively front deck crossbeam 220 with The link position of front longitudinal beam 100 is overlapped on to rear end intersection the middle section of front beam 210, so that the first attachment beam 810 and second Attachment beam 820 forms timbering with rafter arch sets's structure with corresponding outside link plate 420 respectively.Specifically, the first attachment beam 810 and second Attachment beam 820 can have a variety of types of attachment, for example, the first attachment beam 810 and the second attachment beam 820 can be formed as seperated Formula structure, as shown in Figure 12 and Figure 13, wherein being offered on the first attachment beam 810 and the 810 extending direction phase of the first attachment beam The mounting groove 811 of friendship, the second attachment beam 820 are overlapped by mounting groove 811 and the first attachment beam 810；Or first attachment beam 810 It is integrally formed with the second attachment beam 820 and (refers to Figure 11), to simplify assembly process.

Second of mode of texturing is as shown in Figure 14 and Figure 15, wherein body structure includes front longitudinal beam 100 and outside link plate 420, and front deck middle cross beam 270 is also connected on left front girder and front right longitudinal beam, before which is spaced on Between cabin crossbeam 220 and front beam 210, to increase the support to the back segment of front longitudinal beam 100, in order to increase the collision of front part of vehicle Path of Force Transfer, and further increase front deck crossbeam 220, closed loop frame that left front girder, front beam 210 and front right longitudinal beam surround Intensity, is also connected with two attachment beams 800 between front deck crossbeam 220 and front beam 210, two attachment beams 800 respectively with front deck Middle cross beam 270 intersects, so that front deck crossbeam 220, front deck can be dispersed in by concentrating on the collision impact of 100 back segment of front longitudinal beam On middle cross beam 270, attachment beam 800 and front beam 210, front panel 320 is invaded to avoid the back segment crumple of front longitudinal beam 100.

Specifically, two attachment beams 800 can be angularly arranged, such as shown in Figure 14 and Figure 15, two attachment beams 800 corners formed and front deck crossbeam 220 or front beam 210 surround triangle, to form triangle by the stability of triangle Reinforcement structure.Alternatively, two attachment beams 800 can also extend and be arranged in parallel along the longitudinal direction.

In detail, attachment beam 800 can have any suitable structure, such as in embodiment shown in Figure 14, connection Beam 800 forms the U-type groove structure of upward opening, and including bottom wall 801 and two sidewalls 802,802 both ends of side wall of U-type groove structure To form the attachment beam flange 800a vertically extended, the end of bottom wall is extended outwardly to form along right and left for fold outward respectively To attachment beam overlap edge 800b, wherein bottom wall 801 and front deck middle cross beam 270 overlap, the attachment beam flange 800a of one end and connection The cell wall of the groove-like structure of beam overlap edge 800b and front deck crossbeam overlaps, the attachment beam flange 800a and beam side wall of the other end 202 overlap joints, attachment beam overlap edge 800b and crossbeam bottom wall 201 overlap；Front deck middle cross beam 270 is formed as the channel-shaped knot of upward opening Structure, the top edge of the opening of the groove-like structure of front deck middle cross beam 270 are turned down outward to form the front deck extended in left-right direction Middle cross beam opening hole flanging 270a, front deck middle cross beam opening hole flanging 270a and bottom wall 801 overlap.

The third mode of texturing is as shown in figure 16, front longitudinal beam 100 bend inwards since the link position of front deck crossbeam with Curved segment in being formed, which extands rearward to front beam 210, in order to form the support to 100 back segment of front longitudinal beam, interior curved segment Outside is also provided with attachment beam 800, and attachment beam 800 is arranged between front longitudinal beam 100 and front beam 210, and interior with this Curved segment is arranged in herringbone, to form the support of internal curved segment, plays the effect for reinforcing front longitudinal beam back segment.

Alternatively, the 4th kind of mode of texturing as shown in Figure 17 to Figure 25, connection position of the front longitudinal beam 100 from front deck crossbeam 220 It sets and starts outside bending to form outer curved segment, outer curved segment extands rearward to front beam 210.Further, front deck crossbeam 220, preceding Interior reinforcer can be set in the closed loop frame that the outer curved segment and front beam 210 of stringer 100 surround, to promote the closed loop frame Intensity, specifically, interior reinforcer is at least connected with any the two in front longitudinal beam 100, front beam 210 and front deck crossbeam 220 Between.In the embodiment shown in Figure 19 and Figure 20, interior reinforcer can be formed as that the attachment beam on the inside of outer curved segment is arranged in 800, attachment beam 800 is arranged between front longitudinal beam 100 and front beam 210, and arranges with the outer curved segment in herringbone.Specifically Ground, as shown in figure 20, attachment beam 800 are formed as several font structures of upward opening, the top edge of the opening of several font structures Fold is outward to form the first attachment beam flange 800a of the length direction extension along the attachment beam 800, and the two of several font structures Fold is outward to form the second attachment beam flange 800b respectively at end, and wherein the second attachment beam flange 800b of one end distinguishes vertically Direction and left and right directions extend to overlap with front beam 210, and the second attachment beam flange 800b difference of the other end is along the vertical direction Extend with the direction of outer curved segment, and is overlapped with the outer curved segment.

The rear end of outer curved segment can only be overlapped with front beam 210, the embodiment with reference to shown in Figure 17.Alternatively, such as Figure 18 to Figure 21, outer curved segment can be overlapped with outward bending extension and with threshold internal plate 500, in this embodiment, can be with It is interpreted as front longitudinal beam 100 and outside link plate 420 is integrally molded so as the outer curved segment, to be suitable for the operating condition of above-mentioned small offset collision, Specifically, outer curved segment is formed as the first groove-like structure of upward opening, and including side rail inner wall 104A and stringer lateral wall 104B and the stringer bottom wall 103 for connecting the side rail inner wall 104A and stringer lateral wall 104B, the end part of stringer bottom wall 103 It is not formed with stringer bottom wall the first overlap edge 100c extended in left-right direction and the stringer bottom wall second extended along the longitudinal direction Overlap edge 100d, wherein stringer bottom wall the first overlap edge 100c and crossbeam bottom wall 201 overlap, the second overlap edge of stringer bottom wall 100d and threshold internal plate 500 overlap, and stringer lateral wall 104B outward bending extension is taken with the end with threshold internal plate 500 It connects.

Alternatively, it can also be supported by front deck middle cross beam 270 between outer curved segment, specifically, with reference to Figure 21 and Figure 22 Shown, front deck middle cross beam 270 is formed as the groove-like structure of upward opening, the opening of the groove-like structure of front deck middle cross beam 270 Top edge is turned down outward to form front deck middle cross beam the first flange 270a extended in left-right direction, and end is respectively formed with along upper Front deck middle cross beam the second flange 270b that lower direction the extends and front deck middle cross beam third flange 270c extended along outer curved segment, front deck The first flange of middle cross beam 270a, front deck middle cross beam the second flange 270b and front deck middle cross beam third flange 270c respectively with outer curved segment Overlap joint.

In order to enable collision impact is uniformly distributed, can also be connected between front deck crossbeam 220 and front deck middle cross beam 270 The attachment beam 800 extended along the longitudinal direction, the front end of the attachment beam 800 and front deck crossbeam 220 overlap, rear end and front deck middle cross beam 270 overlap joints.Specifically, as shown in figure 23, attachment beam 800 is formed as several font structures of upward opening, and several font structures are opened Top edge at mouthful is turned down outward to form the first attachment beam flange 800a extended along the longitudinal direction, the end of several font structures For portion's fold to be respectively formed the second attachment beam flange 800b extended along the vertical direction with left and right directions, attachment beam 800 passes through the One attachment beam flange 800a and the second attachment beam flange 800b is overlapped with front deck crossbeam 220 and front deck middle cross beam 270 respectively.

The body structure can also include front deck front beam 280, to increase Path of Force Transfer, and promote the strong of front part of vehicle Degree protects the safety of occupant and battery pack to reduce the collision deformation of vehicle body.Embodiment as shown in figures 24 and 25 In, front deck front beam 280 is connected on left front girder and front right longitudinal beam and is arranged at intervals on the front of front deck crossbeam 220, preceding Supporting beam 830 is also connected between cabin crossbeam 220 and front deck front beam 280, and supporting beam 830 is two and two branch Support beam 830 is angularly arranged and forms triangle reinforcement structure with front deck front beam 280 or front deck crossbeam 220；Or support Beam 830 is formed as X-type beam, four ends of the X-type beam respectively with front deck front beam 280, left front girder, front deck crossbeam 220 and The four corners for the closed loop frame that front right longitudinal beam surrounds overlap.

In order to dispersing collision impact to the rear of vehicle, reduce the deformation quantity of vehicle foreside, body structure can be with Including threshold internal plate 500 and/or longitudinal floor beam 110, and front beam 210 can be with the threshold internal plate 500 and longitudinal floor beam 110 One or both of overlap joint, to increase the intensity of body structure, and after collision impact capable of being transferred to body structure Side, reduces the deformation of front part of vehicle.

As the first possible embodiment of Path of Force Transfer, as shown in Figure 26 to Figure 30, threshold internal plate 500 is along a left side Right direction spaced two, and threshold internal plate 500 is located at the outside of corresponding floor panel 300, such as Figure 29 and Shown in Figure 30, in the present embodiment, the both ends of front beam 210 are respectively connected to threshold internal plate 500, specifically, threshold internal plate 500 are formed as be open U-type groove structure outwardly and inner panel roof 501 and inner panel bottom wall 502 including being oppositely arranged, and connection Inner panel side wall 503 between inner panel roof 501 and inner panel bottom wall 502, the end of the beam side wall 202 of front beam 210 are inside To form beam-end flange 200b, the end of crossbeam bottom wall 201 extends outwardly to form crossbeam bottom wall overlap edge 200c for fold, Wherein, beam-end flange 200b and inner panel side wall 503 overlap, and crossbeam bottom wall overlap edge 200c and inner panel bottom wall 502 overlap, with Ensure that front beam 210 and the connection of threshold internal plate 500 be not vulnerable, to preferably disperse collision impact, avoids vehicle body knot Structure generation significantly deforms.

In order to reinforce floor panel, body structure can also include the longitudinal floor beam 110 positioned at 500 inside of threshold internal plate, Specifically, longitudinal floor beam 110 is fixedly connected on the lower surface of floor panel 300 and overlaps with threshold internal plate 500, so that ground Plate face plate 300 is separately installed with body rail on the left and right directions and front-rear direction of vehicle, plays the work for reinforcing floor panel 300 With, avoid floor panel 300 collision (including preceding touch and side impact) in deformation it is excessive.As shown in Figure 27 and Figure 28, floor is vertical The front end of beam 110 is overlapped with crossbeam bottom wall 201, beam side wall 202 and crossbeam opening hole flanging 200a respectively, and specifically, floor is vertical The end of beam 110 is formed as the groove-like structure of upward opening and including longitudinal floor beam inner sidewall 112A and longitudinal floor beam lateral wall The longitudinal floor beam bottom wall 111 of 112B and connection the longitudinal floor beam inner sidewall 112A and the 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 vertical to be respectively formed extension floor along the longitudinal direction outward Flange 110a and longitudinal floor beam lateral wall flange 110b at the top of beam inner sidewall, longitudinal floor beam 110 pass through longitudinal floor beam inner sidewall top Portion flange 110a is fixed on the lower surface of floor panel 300, and the end fold inward of longitudinal floor beam inner sidewall 112A is to form The longitudinal floor beam inner sidewall end flange 110c vertically extended, the end of longitudinal floor beam bottom wall 111 extends outwardly with shape At the longitudinal floor beam bottom wall overlap edge 110d extended in left-right direction, wherein flange 110a and cross at the top of longitudinal floor beam inner sidewall Beam opening hole flanging 200a overlap joint, longitudinal floor beam inner sidewall end flange 110c and beam side wall 202 overlap, and longitudinal floor beam bottom wall is taken Edge fit 110d and crossbeam bottom wall 201 overlap, and longitudinal floor beam 110 also passes through longitudinal floor beam lateral wall flange 110b and interior board bottom Wall 502 overlaps.In the present embodiment, arbitrarily both having in front beam 210, longitudinal floor beam 110 and threshold internal plate 500 Connection relationship, therefore, as when before touching, the collision impact that front longitudinal beam 100 is subject to is transferred to front beam 210 for vehicle collision, and by Front beam 210 is transferred to longitudinal floor beam 110 and threshold internal plate 500 respectively, and longitudinal floor beam 110 and threshold internal plate 500 overlap, This connection type enables collision impact to be more evenly dispersed at the link position of the three, promotes link position Collision resistance.

In order to keep front beam 210 and the connection of longitudinal floor beam 110 stronger, the durability of body structure, front beam are promoted 210, which are connected with reinforcing beam with the intersection of longitudinal floor beam 110, forms triangle reinforcement structure, i.e., the reinforcing beam and front beam 210 and The corner that longitudinal floor beam 110 is formed surrounds triangle jointly, so that body structure has higher collision resistance.Alternatively Ground, the reinforcing beam can also be L ellbeam, surround substantially square jointly with the corner with front beam 210 and the formation of longitudinal floor beam 110 The frame structure of shape, to increase the intensity of body structure corner connection and increase Path of Force Transfer.

The advantages of connection type that present embodiment provides, also resides in, when being touched before vehicle, the end energy of longitudinal floor beam 110 Front beam 210 is enough supported, avoids front beam 210 from moving backward the other elements for squeezing body structure or drives floor panel 300 Invade crew module.Similarly, when vehicle side impact, front beam 210 can backstop threshold internal plate 500, avoid threshold internal plate 500 to Interior extruding drives medial movement of the longitudinal floor beam 110 to body structure, to protect the other elements for being located at 110 inside of longitudinal floor beam And crew module, promote the collision safety performance of vehicle.

It, should when a part as the force transferring structure of body structure of front beam 210, longitudinal floor beam 110 and threshold internal plate 500 The connection type of three is able to ascend the intensity of the corner connection of body structure, guarantees that body structure is not susceptible to collision deformation, Promote the collision resistance of vehicle.

As second of possible embodiment of Path of Force Transfer, as shown in Figure 31 and Figure 32, front beam 210, floor are vertical Beam 110 can also be connected with threshold internal plate 500 by middle connecting plate 440, to reduce the connection difficulty of the three.Specifically, Middle connecting plate 440 includes that the intermediate connection bottom wall 441 for being generally formed into rectangle, intermediate connection bottom wall 441 have head and the tail successively First edge, second edge, third edge and the 4th edge of connection, on first edge, second edge and the 4th edge respectively It is connected with the first connection side wall 442, second upwardly extended and connects side wall 443 and the 4th connection side wall 444, connect the upper of side wall Edge turns down outward respectively to form the first side wall flange 442a extended along the longitudinal direction, in left-right direction second side for extending Wall flange 443a and the 4th side wall flange 444a extended in left-right direction, middle connecting plate 440 are connected to by side wall flange Floor panel 300, so that middle connecting plate 440 can be better secured on the lower surface of floor panel 300.In detail Ground, crossbeam opening hole flanging 200a and the first side wall flange the 442a overlap joint of front beam 210, beam-end flange 200b and first connect The overlap joint of side wall 442 is connect, crossbeam bottom wall overlap edge 200c connect bottom wall 441 with centre and overlaps；In the longitudinal floor beam of longitudinal floor beam 110 Top side wall flange 110a and second sidewall flange 443a is overlapped, longitudinal floor beam inner sidewall end flange 110c and the second connecting side Wall 443 overlaps, and longitudinal floor beam bottom wall overlap edge 110d connect bottom wall 441 with centre and overlaps；Second connection side wall 443 and the 4th connects Connect side wall 444 close to third edge end respectively it is turned-out folding to form the second sidewall end flange vertically extended 443b and the 4th side wall ends flange 444b is formed with extend along the longitudinal direction intermediate on third edge and connects bottom wall overlap edge 441a, wherein second sidewall end flange 444b and the 4th side wall ends flange 444b inboard side with threshold internal plate 500 respectively Wall 503 overlaps, and centre connection bottom wall overlap edge 441a and inner panel bottom wall 502 overlap.In the present embodiment, vehicle collision is as before When touching, the collision impact that front longitudinal beam 100 is subject to is transferred to front beam 210, is then transferred to middle connecting plate by front beam 210 440, and longitudinal floor beam 110 and threshold internal plate 500 are dispersed to by middle connecting plate 440.

As the third possible embodiment of Path of Force Transfer, as shown in figs. 33 and 34, the both ends of front beam 210 are taken It is connected to longitudinal floor beam 110, threshold internal plate 500, which is connected to the outside of longitudinal floor beam 110 and is spaced with front beam 210, to be arranged, i.e., Front beam 210 and threshold internal plate 500 are connected to the two sides of longitudinal floor beam 110.Specifically, crossbeam opening hole flanging 200a and ground Flange 110a overlap joint at the top of plate side rail inner wall, beam-end flange 200b and longitudinal floor beam inner sidewall 112A are overlapped, crossbeam bottom Wall overlap edge 200c and longitudinal floor beam bottom wall 111 overlap；Longitudinal floor beam lateral wall flange 110b and inner panel bottom wall 502 overlap.? In present embodiment, vehicle collision is as when before touching, and the collision impact that front longitudinal beam 100 is subject to is transferred to front beam 210, and successively It is transferred in longitudinal floor beam 110 and threshold internal plate 500, and (the figure of retention bead 114 can also be formed on longitudinal floor beam 110 34) it, is moved backward with being used for the backstop front beam 210 when preceding touching.

In other possible embodiments, the overlapping mode of longitudinal floor beam 110 and front beam 210 may be formed as one The front end of longitudinal floor beam 110 is overlapped on front beam 210, and one end of front beam 210 is connected to another longitudinal floor beam 110 On or front beam 210 be connected across with two longitudinal floor beams 110, these modes of texturing should all fall in the guarantor of the disclosure Within the scope of shield.

As the 4th kind of possible embodiment of Path of Force Transfer, as shown in FIG. 35 to 37, wherein front beam 210 with Longitudinal floor beam 110 and threshold internal plate 500 are not directly contacted with, and specifically, have first between front beam 210 and longitudinal floor beam 110 Clearance G 1, first clearance G 1 are constructed so that one of front beam 210 can contact another one after collision deformation.Therefore, Before touch or when side impact, one of front beam 210 and longitudinal floor beam 110 are because collision deformation is contacted with another one, thus by connecing It touches power transmission and disperses collision energy, avoid one of them from bearing larger shock and the generation of floor panel 300 is driven significantly to deform, invade Crew module squeezes the other elements for being located at 300 lower section of floor panel, such as battery pack.Specifically, first clearance G 1 is big Small can be 2cm-30cm, so that body structure can have reasonable shrinkage in collision.

The both ends of front beam 210 and longitudinal floor beam 110 can be respectively arranged with reinforcement structure, for bearing collision impact. With reference to Figure 35 to Figure 37, the end of longitudinal floor beam 110 is connected with end connecting plate 113, which can either play Reinforce the effect of longitudinal floor beam 110, stringer deforms when reducing collision, also can be used in overlapping with threshold internal plate 500, so that door Sill inner panel 500 can peptizaiton in the collision impact on longitudinal floor beam 110.In the present embodiment, threshold internal plate 500 is with before The end of crossbeam 210 also has the second clearance G 2 in the lateral direction, which is constructed so that 500 edge of threshold internal plate Left and right directions, which is deformed inward (such as when vehicle side impact), can contact front beam 210, thus by collision impact to vehicle structure Rear transmitting.Specifically, the size of second clearance G 2 can be 2cm-53cm.

First clearance G 1 can be formed in several ways, such as in the embodiment shown in Figure 35, front beam 210 End is located at the front of the end of longitudinal floor beam 110 along the longitudinal direction and forms first clearance G 1, so that vehicle frontal collision When, front beam 210 is moved backward by collision impact and is contacted with the end of longitudinal floor beam 110, thus transmits collision impact To longitudinal floor beam 110 and threshold internal plate 500, to reduce the deformation of front beam 210, and backstop front beam 210 continue to After move, to protect crew module and battery pack.

In interchangeable embodiment, as shown in figure 36, the end of front beam 210 is located at longitudinal floor beam in left-right direction 110 inside simultaneously forms first clearance G 1, and the first clearance G 1 is overlapped with the second clearance G 2 at this time, in this embodiment, when When vehicle side impact, threshold internal plate 500 is collided after impact and is able to drive longitudinal floor beam 110 in left-right direction towards in vehicle Side is mobile and contacts with the end of front beam 210, to collision impact is transferred on front beam 210, to reduce in threshold The deformation of plate 500 and longitudinal floor beam 110, additionally it is possible to which backstop longitudinal floor beam 110 continues to move inward, to protect battery pack.

In another embodiment that can be replaced, as shown in figure 37, extending back on front beam 210 has collision part 211, The collision part 211 is located at the inside of longitudinal floor beam 110 in left-right direction, and the first clearance G 1 is formed in collision part 211 and floor is vertical Between beam 110, the second clearance G 2 is formed between the end of front beam 210 and threshold internal plate 500, when vehicle side impact, collision part 211 and longitudinal floor beam 110,210 end of front beam and threshold internal plate 500 at least one set can contact power transmission, collision part 211 Can either play the role of reinforce front beam 210, and can medial movement from backstop longitudinal floor beam 110 to body structure, increase The contact position of collision Path of Force Transfer, to promote the collision resistance of body structure.Collision part 211 can have any suitable When structure, such as in the embodiment shown in Figure 37, collision part 211 is formed as colliding stiffening plate, the collision stiffening plate shape As cap-like structure, which includes the cap plate 211A of protrusion and the brim of a hat 211B around cap plate 211A, so that touching Striker 211 at least has there are two orthogonal a few font sections, so that the intensity of collision part 211 is promoted, so that the collision part 211 are able to bear larger shock, and with preferably backstop longitudinal floor beam 110, which is overlapped on preceding cross by the brim of a hat 211B On beam 210.

Preceding when touching in the several embodiments of above-mentioned Path of Force Transfer, collision impact focuses primarily upon front longitudinal beam 100 It rear end and is dispersed on the body structure of body structure two sides by front beam 210, as threshold internal plate 500, floor are vertical Beam 110 etc..In other embodiments that the disclosure provides, colliding forces can also be transmitted from the rear end of front longitudinal beam 100 To front deck crossbeam 220, and it is dispersed to by front deck crossbeam 220 rear of body structure.

Specifically, as shown in Figure 38 to Figure 42, the 5th kind of embodiment of body structure dispersion colliding forces is provided. Wherein, front deck crossbeam 220 is installed on the rear end 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, to pass through the force transferring structure for collision impact the past Stringer 100 is transferred to bearing frame 700.Specifically, which can be formed as connecting plate 430, the front end of connecting plate 430 It is overlapped on front deck crossbeam 220, rear end is overlapped on front beam 210, to pass through the connecting plate 430 for colliding forces by front deck Crossbeam 220 is transferred to front beam 210, and the top surface (i.e. the highest surface of height) of the connecting plate 430 can also be connected to On floor panel 300, to increase the bonding strength of force transferring structure.

Overlapped respectively with front longitudinal beam 100 and connecting plate 430 for convenience, the both ends of front deck crossbeam 220 be provided with respectively with Front longitudinal beam 100 and connecting plate 430 overlapped interconnecting piece, the specific structure of interconnecting piece and its with front longitudinal beam 100 and connecting plate 430 Connection relationship 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, the rear end difference of front longitudinal beam 100 Be overlapped on front side wall 222, front side wall flange 222a and connection bottom wall 221 on, connecting plate 430 be overlapped on respectively rear wall 223, after On side wall flange 223a and connection bottom wall 221.

Correspondingly, with reference to Figure 39 and Figure 40, the rear end of front longitudinal beam 100 is formed as the groove-like structure of upward opening and including vertical Beam inner sidewall 104A, stringer bottom wall 103 and stringer lateral wall 104B, the top edge of side rail inner wall 104A are turned down outward to be formed The the first side rail inner wall flange 104a extended along the longitudinal direction, the end of side rail inner wall 104A are turned down outward to be formed along upper The second side rail inner wall flange 104b that lower direction extends, the end of stringer bottom wall 103 extends outwardly to form in left-right direction The stringer bottom wall overlap edge 100c of extension, the end of stringer lateral wall 104B extends outwardly to form stringer lateral wall overlap edge 104c, wherein the first side rail inner wall flange 104a and front side wall flange 222a are overlapped, the second side rail inner wall flange 104b with Front side wall 222 overlaps, stringer bottom wall overlap edge 100c and stringer lateral wall overlap edge 104c respectively with connect the overlap joint of bottom wall 221, Specifically, it is overlapped for convenience of with front longitudinal beam 100, the end of connection bottom wall 221 can be flipped up to be formed with along the longitudinal direction The outer end wall 224 of extension, the outer end wall 224 are connected between front side wall 222 and rear wall 223, stringer lateral wall overlap edge 104c and the outer end wall 224 overlap joint (referring to Figure 40).

As shown in Figure 40 and Figure 41, the front end of connecting plate 430 is formed as the groove-like structure of upward opening, including the first inside Wall 432A, the first bottom wall 431 and the first lateral wall 432B, the top edge of the first inner sidewall 432A is turned down outward to be formed along front and back First the first flange of inner sidewall 430a that direction extends, the end of the first inner sidewall 432A are turned down outward to be formed along the vertical direction First the second flange of the inner sidewall 430b extended, the end of the first bottom wall 431 extends outwardly to form to be extended in left-right direction First bottom wall overlap edge 430c, the end of the first lateral wall 432B extend outwardly to form the first outside vertically extended Wall overlap edge 430d, wherein first inner sidewall the first flange 430a and rear wall flange 223a is overlapped, and the first inner sidewall second turns over Side 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 joints are specifically overlapped with connecting plate 430 for convenience, and the end of connection bottom wall 221 can be flipped up to be formed with The outer end wall 224 extended along the longitudinal direction, the outer end wall 224 are connected between front side wall 222 and rear wall 223, the first outside Wall overlap edge 430d and the outer end wall 224 overlap joint (referring to Figure 40).

As shown in figure 42, 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 430 between front deck crossbeam 220 and front beam 210 can be arbitrarily arranged, such as Figure 38 extremely schemes In embodiment shown in 42, the force transferring structure between front deck crossbeam 220 and front beam 210 is made of multiple connecting plates 430, even Fishplate bar 430 is two and is symmetrical arranged about the perpendicular bisector of front beam 210；

Selectively, with reference to Figure 43, connecting plate 430 can also be three, wherein being located in the middle before connecting plate 430 is located at On the perpendicular bisector of crossbeam 210, the connecting plate 430 of the left and right sides is located in the middle connecting plate 430 about this and is symmetrical arranged；

Alternatively, perpendicular bisector of the connecting plate 430 for two and about front beam 210 is symmetrical with reference to Figure 44 to Figure 46 Setting, and herringbone (Figure 44) or splayed (Figure 45) or X-shaped attachment beam (figure are provided between two connecting plates 430 46), the front end of the herringbone 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 430 has enough intensity, in each embodiment that the disclosure provides, the connecting plate 430 front end is to being formed as continuous groove-like structure between rear end, in other interchangeable embodiments, such as in connecting plate In the case that 430 have sufficient intensity, the front-end and back-end of connecting plate 430 can be the both ends that interval is formed in connecting plate 430 Groove-like structure, to facilitate processing flange and be overlapped with other body rails or threshold internal plate.

By the technical solution, the preceding Impact energy touched is transferred to connecting plate 430 by front deck crossbeam 220, and continues point It is dissipated on front beam 210 and other beams at body structure rear, so as to promote the collision safety performance of vehicle.

As shown in Figure 47 and Figure 48, the 6th 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 threshold internal plate 500, 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 Figure 38 to Figure 41, details are not described herein.For adapt to the integrally-built design of vehicle, the connecting plate 430 from Outward bending at front deck crossbeam 220 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 the top surface of the connecting plate 430 is also connected to the lower section of floor panel 300.Specifically, connecting plate 430 is from front deck crossbeam 220 are bent outwardly and are connected in threshold internal plate 500, and the connecting plate 430 is several font structures of upward opening, and should The top surface of several font structures is connected on the lower surface of floor panel 300.

As shown in figure 48, the rear end of connecting plate 430 is formed as the groove-like structure of upward opening, including the second inner sidewall 434A, the second bottom wall 433 and the second lateral wall 434B, the end of the second inner sidewall 434A are turned down outward to be formed along the vertical direction The the second inner sidewall flange 430f extended, the end of the second bottom wall 433 extends outwardly to form second extended along the longitudinal direction Bottom wall overlap edge 430g, the second inner sidewall flange 430f and inner panel side wall 503 overlap, the second bottom wall overlap edge 430g and interior board bottom Wall 502 overlaps, and the end of the second lateral wall 434B extends outwardly with the lapping ends with threshold internal plate 500.Front beam 210 It is connected in the rear of stiffening plate 430, with 500 phase of threshold internal plate 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 430, to avoid wheel.

As shown in Figure 49 and Figure 50, the 7th 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 38 to Figure 41, 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 430 is several font structures of upward opening, and this is several The top surface of font structure is connected on the lower surface of floor panel 300, and the rear end of the connecting plate 430 is formed as opening upwards Mouthful groove-like structure, the inner surface contour of the groove-like structure of the rear end is identical as the outer wall profile of 110 end of longitudinal floor beam and phase Mutually socket, alternatively, the outer wall profile of the groove-like structure of the rear end of connecting plate 430 can in 110 end of longitudinal floor beam Wall profile is identical and is mutually socketed.In order to optimize the use of 300 lower space of floor panel, such as installing battery pack.

Body structure can also include bearing frame 700, which is used to install the battery tray of carrying battery pack Disk 600, specifically, as shown in Figure 51 and Figure 52, bearing frame 700 installs crossbeam 210, vehicle body before can including at least battery pack Crossbeam 230 is installed, wherein installation crossbeam 230 is solid after installing crossbeam 210 and battery pack before battery pack after longitudinal beam and battery pack It is scheduled on the lower surface of floor panel 300, vehicle body longitudinal beam is connected on floor panel 300, wherein crossbeam is installed before battery pack 210 are arranged at intervals on the rear of front deck crossbeam 220 and install close to front panel 320, it should be noted that " close " refers to herein In all crossbeams for being mounted below floor panel 300, crossbeam 210 and front panel 320 are installed along the longitudinal direction before battery pack Distance it is nearest.The rear that crossbeam 230 is arranged at intervals on installation crossbeam 210 before battery pack, vehicle body longitudinal beam are installed after battery pack It is two, which is spaced in left-right direction is arranged and installs crossbeam before being at least partially situated at battery pack 210 and battery pack after install crossbeam 230 between, to limit the installation space of battery tray 600.Specifically, vehicle body longitudinal beam It may include being fixed on the battery pack installation stringer 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 battery pack installation stringer 110, can also be fixed in threshold On plate 500 or it is also secured in the two, in order to arrange installation point according to the structure of different battery trays 600, wherein Battery pack installs the component that stringer can increase newly for the disclosure, and threshold internal plate is then the original component of body structure.Wherein exist In other embodiments, before battery pack install crossbeam 210, battery pack installation stringer 110 and battery pack installation rear cross beam 230 also according to It is secondary to be known as front beam 210, longitudinal floor beam 110 and Floor rear crossbeam 230.

The bearing frame 700 can install stringer 110 and battery pack for 210, two battery packs of installation crossbeam before battery pack The frame structure that installation crossbeam 230 cooperatively forms afterwards, can also be using embodiment shown in Figure 51 and Figure 52, that is, battery pack Installation stringer 110 includes being connected to the first battery pack installation stringer 110A that 210 both ends of crossbeam are installed before battery pack and the Two battery packs install stringer 110A, and body structure further includes floor side member 120, which includes being connected to accordingly Battery pack installs the first floor side member and the second floor side member of the rear end of stringer 110, and installation crossbeam 230 is indulged after being connected to after battery pack Between beam 120, so that floor side member 120 has the floor side member leading portion for being located at and installing 230 front and rear sides of crossbeam after battery pack 121 and floor side member back segment 122, bearing frame 700 is formed as the 210, first electricity of installation crossbeam before the sequentially connected battery pack of head and the tail Chi Bao install stringer 110A, the first floor side member leading portion 121A, install after battery pack crossbeam 230, the second floor side member leading portion 121B and Second battery pack installs stringer 110B, to guarantee making full use of for 300 lower space of floor panel.Specifically, bearing frame 700 Crossbeam and stringer can be connected by the modes such as overlapping and welding, be spirally connected, can also pass through that increase this fields such as connector public The technological means connection known, the disclosure are not particularly limited this.It is designed by the structure of this bearing frame 700, Neng Gou Battery pack is as often as possible arranged in 300 lower section of floor panel, advantageously ensures that vehicle has endurance distance long as far as possible.In addition, electric Chi Bao installation stringer is connected with floor side member, can also increase the intensity of body structure.

As shown in Figure 53 and Figure 68, bearing frame 700 can also include the threshold for being connected to 300 left and right sides of floor panel Inner panel 500, threshold internal plate 500 are located at the outside of battery pack installation stringer 110 and install stringer 110 and electricity with battery pack respectively Installation crossbeam 210 overlaps before the packet of pond, to promote the bearing capacity of bearing frame 700, is also beneficial to reinforce bearing frame 700 Corner link position.It should be noted that the vehicle body crossbeam 200 that the disclosure provides installs crossbeam before also can be applied to battery pack 210 and battery pack after crossbeam is installed, further, before battery pack install crossbeam 210, battery pack installation stringer 110 and threshold in The structure and connection type of plate 500 can be respectively with reference to the knots of front beam, longitudinal floor beam and threshold internal plate in body force transferring structure Structure, that is, connection type setting, to avoid unnecessary repetition, details are not described herein.In some embodiments, for the ease of cloth The beam in body structure is set, is conducive to the lightweight of body structure, installation crossbeam uses before front beam can be used as battery pack, ground Plate stringer can be used as battery pack installation stringer and use.

This disclosure relates to bearing frame 700 can become body structure Path of Force Transfer by above-mentioned some embodiments A part, specifically, when installation crossbeam 210 overlaps before the rear end of front longitudinal beam 100 and the battery pack in bearing frame 700, vehicle Before when touching, front longitudinal beam 100 is first subject to hit, and effect of impact power is installed horizontal before being transferred to battery pack from the rear end of front longitudinal beam 100 Beam 210 and along the body structure that battery pack installation stringer 110, threshold internal plate 500 are dispersed to vehicle rear, allows the vehicle to Collision energy is absorbed as a whole, reduces the deformation of vehicle dash panel plate, protection is located at driver and passenger in crew module, and And crossbeam 210, threshold internal plate 500 and battery pack installation 110 three of stringer are installed before battery pack and is mutually lapped and can increase load frame The intensity of frame 700 reduces collision (touch before including and side impact) deformation extent of bearing frame 700, bearing frame 700 is avoided to deform Extruding battery pack causes on fire.The body structure can also include back seat installation crossbeam 260 (refer to Figure 68 and Figure 70), after this Seat installation crossbeam 260 is connected between floor side member 120 and is spaced on the front of Floor rear crossbeam 230, bearing frame 700 can also include that the back seat installs crossbeam 260, so as to increase the installation point of battery tray 600 Yu bearing frame 700 Quantity, be conducive to the shape and size for adapting to different battery trays 600, and keep the mounting stability of battery pack, and And when this disclosure relates to bearing frame 700 as body structure Path of Force Transfer a part in use, back seat installation cross Beam 260 can also increase the Path of Force Transfer between floor side member 120.

In some embodiments, battery tray 600 can be formed as one formula structure (as shown in figure 50) or be formed For split type structure (as shown in figure 50).Specifically, battery tray 600 may include along the longitudinal direction it is spaced first electricity Pond pallet 610 and the second battery tray 620, bearing frame 700 further include that crossbeam 210 and electricity are installed before being arranged at intervals on battery pack After Chi Bao install crossbeam 230 between battery pack in install crossbeam 290, wherein the first battery tray 610 respectively with the battery Installation crossbeam 210 before packet, installation crossbeam 290 overlaps in vehicle body longitudinal beam and battery pack, the second battery tray 620 respectively with it is described Installation crossbeam 230 overlaps after installing crossbeam 290, vehicle body longitudinal beam and battery pack in battery pack.In detail, it is installed in battery pack horizontal Beam 290 can be overlapped on vehicle body longitudinal beam, also can use the existing crossbeam of body structure, as back seat installs crossbeam 260.

For the ease of fixed battery tray 600, battery tray fastener hole 701 is offered on bearing frame 700, for fixing Battery tray 600.Correspondingly, battery tray mounting hole 602 is coaxially offered in battery tray 600, so that fastener is worn It crosses battery tray mounting hole 602 and battery tray 600 is mounted on bearing frame 700 by battery tray fastener hole 701.Specifically Ground, fastener can be formed as bolt, and battery tray fastener hole 701 can be formed as threaded hole.In actual use, bearing frame Tie point (the battery tray fastener hole 701 and battery tray mounting hole connected by fastener of frame 700 and battery tray 602) number and location can according to need any setting, specifically, battery tray fastener hole 701 and battery tray mounting hole 602 can be formed as one-to-one multiple.For example, there are two being opened up respectively on the leading edge and back edge of battery tray 600 Battery tray mounting hole 602, and two battery tray mounting holes 602 are arranged along corresponding edge interval.Alternatively, battery Pallet fastener hole 701 and battery tray mounting hole 602 can be provided with the longitudinal edge of vehicle body longitudinal beam and battery tray respectively On, the disclosure is not particularly limited this.

In order to preferably protect battery pack, outwardly extending installation trunnion 601 is provided on the edge of battery tray 600, It is contacted so that the edge of battery tray 600 is not direct with bearing frame 700, so as to guarantee the battery tray in collision 600 do not bear directly to hit, to protect battery pack.The position of the installation trunnion 601 and the position of battery tray fastener hole 701 Alignment, and battery tray mounting hole 602 is provided on installation trunnion 601, battery tray 600 to be installed by fastener In bearing frame 700.

It is several above describe dispersing from transmitting of the power that front longitudinal beam 100 passes over mainly below floor panel 300 A embodiment is described below but is not limited to the related embodiment of transmitting dispersion of the power mainly above floor panel 300.

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, injury at The foot of member and leg.

Specifically, as shown in Figure 54 and Figure 55, 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 The risk of 300 injury occupants.

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 56, 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 57 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.Adaptively, left front girder is connected to the centre bit of the left and right directions of the first front beam 210A It sets, right front beam is connected to the center of the left and right directions of the second front beam 210B, so that corresponding front beam 210 can Preferably bear the colliding forces of left front girder and front right longitudinal 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 54, 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 56, Figure 58 and Figure 59, 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 centre gangway 301, 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 rear and front end of floor panel 300, and And the height of centre gangway protrusion is not more than 60mm, is further not more than 50mm, rationally to utilize interior space.In some realities It applies in mode, the upper surface of floor panel 300 is provided with horizontal pressing plate 310 and end compression plate for inhibiting floor panel 300 to turn over 330, optionally, centre gangway 301 can have lower height with concordant with the upper surface of horizontal pressing plate 310 and end compression plate 330, To guarantee that there is floor panel 300 more smooth top surface to promote the beauty of vehicle interior to facilitate arrangement interior vehicle components The property seen and riding comfort.Leading portion passage cover plate 302A be formed as with the outer profile of centre gangway 301 cooperate and at least partly It is provide with the groove-like structure of centre gangway 301, by the technical solution, before leading portion passage cover plate 302A covers centre gangway 301 End, so that centre gangway 301 is able to bear collision moment biggish impact.

Leading portion passage cover plate 302A can be fixed in any suitable way on floor panel 300, for example, the leading portion The lower edge of the opening of the groove-like structure of passage cover plate 302A is turned down outward to be formed and add leading portion passage cover plate flange 302A, preceding Section passage cover plate 302A is connected to floor panel 300 by leading portion passage cover plate flange 302A, also, the first horizontal pressing plate 310A with The inner end of second horizontal pressing plate 310B can also be overlapped with leading portion passage cover plate 302A, to increase each portion in 300 upper surface of floor panel The bonding strength of part and floor panel 300, the outer end of the first horizontal horizontal pressing plate 310B of pressing plate 310A and second can extend outwardly with Threshold internal plate 500 overlaps, to strengthen the overall construction of the body structure, 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 60, 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 60 to Figure 62, 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 60, to shown in Figure 62, are formed with downwardly open escape groove 313 on the horizontal pressing plate side wall 312 of the groove-like structure of horizontal pressing plate 310, should Escape groove 313 runs 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 Ground, the depth of the escape groove 313 is identical as the depth of groove-like structure of horizontal pressing plate 310 so that the upper surface of end compression plate 330 with The lower surface of horizontal pressing plate bottom wall 311 overlaps, to guarantee to have between horizontal pressing plate 310 and end compression plate 330 enough bonding strengths, and And it can achieve the effect for making the upper surface plane of horizontal pressing plate.In interchangeable embodiment, horizontal pressing plate 310 and end compression plate The 330 cross plate structures that can also be integrally formed.

Optionally, vertical press plate connection board 321 is connected in the rear surface of front panel 320, with reference to Figure 60 and Figure 63, 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 63), 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 61 and Figure 62,330 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 outward with End compression plate flange 330a is formed, end compression plate flange 330a is connected to floor panel 300, to keep stable connection, and can be with So that the groove-like structure of the end compression plate 330 and the first stringer flange 100a of the rear end of front longitudinal beam 100 are right about floor panel 300 Together, to 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 the battery tray fastener hole 701 for being formed as bearing frame 700.

Figure 67 to Figure 70 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 reduces because the deformation of floor panel 300 and front panel 320 is injured caused by occupant, moreover it is possible to Enough guarantee that the transmission path of 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, it is touched 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 arrangement with intensive feature is conducive to the electric heating management inside battery pack；Third, the closed loop frame and crew module, i.e., The geometric position of floor panel is substantially aligned on upper and lower position, so that the anticollision to the frame structure or occupant's cabin structure becomes The improvement of shape can all be played the role of protecting occupant and battery pack simultaneously；4th, which is easier to make structure equal Weighing apparatus property preferably designs, and readily satisfies the requirement of the balancing performance of different parts.To sum up, two structure one side energy It is evenly dispersed in colliding forces 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 vehicle is because collision impact moves backward invasion crew module or squeezes the battery being located at below floor panel 300 Packet causes collision secondary injury.

In order to enable the superstructure of vehicle body also can be used in colliding power transmission, collision is further decreased to front panel 320 Invasion, as shown in Figure 64 to Figure 66, the Path of Force Transfer for the body structure that the disclosure provides can also include A column inner panel 340 and side Outside plate 350 is enclosed, A column inner panel 340 is fixedly connected on the inside of side-wall outer-plate 350 to form vehicle body A column, and front longitudinal beam 100 and A Power transmission connection part is connected between column inner panel 340, so that impact force can be dispersed to vehicle body A column by the power transmission connection part On.Specifically, in order to guarantee power transmission effect, power transmission connection part, which can connect, corresponds to side-wall outer-plate 350 in A column inner panel 340 Close to the position B of car door lower hinge.

Specifically, power transmission connection part can connect on the outer side seal board 106 of front longitudinal beam 100, to adapt to the entirety of vehicle body Structure avoids the connection relationship on the ontology of front longitudinal beam 100 excessively complicated, causes；The intensity of link position is insufficient, reduces vehicle body The durability and anticollision performance of structure.Further, wheel cover assembly 360 is connected in front panel 320, power transmission connection part may be used also To be connected on front panel 320 or the wheel cover assembly 360, to increase the intensity of front panel 320, so that front panel 320 is not easy Collide deformation.

The power transmission connection part can be formed as any suitable structure, for example, power transmission connection part can be formed as power transmission company One end of fishplate bar 450, the power transmission connection plate 450 is overlapped on front longitudinal beam, and the other end is overlapped on A column inner panel 340.

In the present embodiment, A column inner panel 340 and side-wall outer-plate 350 are respectively formed as the groove-like structure of opposite opening, and And fastened by flange, so that vehicle A column is formed to have the structure of closed frame shape cross section, to obtain higher strong Degree, power transmission connection plate 450 can be overlapped on A column inner panel 340 and be overlapped on the flange of side-wall outer-plate 350, with can be simultaneously to A column 350 power transmission of inner panel 340 and side-wall outer-plate, is conducive to the dispersion of collision energy.

As shown in Figure 65, which can be formed as cap-like structure, the cap-like structure include cap body 451 with And the overlap edge 452 around the cap body 451, so that power transmission connection plate 450 at least has, there are two orthogonal several fonts to cut Face is able to bear the shock of multiple directions without generating larger shape to guarantee that power transmission connection plate 450 has biggish intensity Become.

Specifically, overlap edge 452 is generally about rectangular structure and to include at least the first overlap edge 450a, the second overlap joint Side 450b, third overlap edge 450c and the 4th overlap edge 450d, the first overlap edge 450a and the second overlap edge 450b are oppositely arranged, Third overlap edge 450c and the 4th overlap edge 450d be oppositely arranged and be located at the first overlap edge 450a and the second overlap edge 450b it Between, and the bonding relation of the other component of power transmission connection plate 450 and body structure may is that the first overlap edge 450a is indulged with preceding Beam 100 overlaps, and the second overlap edge 450b and A column inner panel 340 overlap, third overlap edge 450c and the 4th overlap edge 450d respectively with Front panel 320 or wheel cover assembly 360 overlap, so that each component can be connected steadily.

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 described including front longitudinal beam (100), front deck crossbeam (220) and front beam (210) Front longitudinal beam (100) includes that spaced left front girder and front right longitudinal beam, the front deck crossbeam (220) are connected in left-right direction On the left front girder and the front right longitudinal beam, the front beam (210) connect with the rear end of the front longitudinal beam (100), described Have between front beam (210) and the floor panel (300) and is used for what at least one of cooling line and cable passed through Gap.

2. body structure according to claim 1, which is characterized in that the front beam (210) is to be fixed on floor panel (300) the vehicle body crossbeam on lower surface, the floor panel (300) are located at the rear of the front deck crossbeam (220).

3. body structure according to claim 1, which is characterized in that the rear end of the front longitudinal beam (100) only with it is described before Crossbeam (210) is connected.

4. body structure according to claim 1, which is characterized in that the front beam (210) is close to automobile body fore-cabin Vehicle body crossbeam, perhaps for close to the vehicle body crossbeam of front panel (320) installation or for close to the vehicle body of threshold internal plate front end installation Crossbeam, or to install the vehicle body crossbeam in front of crossbeam set on front chair.

5. body structure according to claim 1, which is characterized in that raise upward in the middle part of the floor panel (300) To form the centre gangway extended along the longitudinal direction, the front beam (210) is in left-right direction from the floor panel (300) The other end that the centre gangway extends to the floor panel (300) is crossed in one end, to limit jointly with the centre gangway The gap.

6. body structure according to claim 2, which is characterized in that the front beam (210) is formed as upward opening One groove-like structure, including crossbeam bottom wall (201) and beam side wall (202), the top edge of the opening of first groove-like structure To be formed crossbeam opening hole flanging (200a), the front beam (210) is connected by the crossbeam opening hole flanging (200a) for fold outward It is connected to the floor panel (300).

7. body structure according to claim 6, which is characterized in that the front longitudinal beam (100) is overlapped on the cross respectively On beam bottom wall (201), the beam side wall (202) and the crossbeam opening hole flanging (200a),

The rear end of the front longitudinal beam (100) is formed as the second groove-like structure of upward opening, including stringer bottom wall (103) and stringer Side wall (104), the top edge of the opening of second groove-like structure are turned down outward to form the first stringer flange (100a), institute The end for stating stringer side wall (104) is turned down outward to form the second stringer flange (100b), the end of the stringer bottom wall (103) Stringer bottom wall overlap edge (100c) is extended outwardly to form,

Wherein, the first stringer flange (100a) and the crossbeam opening hole flanging (200a) overlap, the second stringer flange (100b) and the beam side wall (202) is overlapped, and the stringer bottom wall overlap edge (100c) is taken with the crossbeam bottom wall (201) It connects.

8. body structure according to claim 1, which is characterized in that the front longitudinal beam (100) is correspondingly connected with the front deck The position of crossbeam (220) is formed as extending along the longitudinal direction and the third groove-like structure of upward opening, including the first stringer bottom wall (101) and the first stringer side wall (102), the top edge of the opening of the third groove-like structure turn down vertical to form first outward Beam side wall flange (102a), the front deck crossbeam (220) respectively with the first stringer bottom wall (101), the first stringer side wall (102) it is overlapped with the first stringer side wall flange (102a),

The front deck crossbeam (220) is formed as the 4th groove-like structure of opening upwards, the opening of the 4th groove-like structure Edge flips up the first flange (220a) for being formed with and extending in left-right direction, and the end of the 4th groove-like structure turns down outward To form the second flange (220b) vertically extended, the end of the 4th groove-like structure is also formed with along the longitudinal direction The third flange (220c) of extension,

Wherein, first flange (220a) and the first stringer side wall flange (102a) overlap, second flange (220b) and the first stringer side wall (102) overlap, and the third flange (220c) is taken with the first stringer bottom wall (101) It connects.

9. body structure according to claim 1, which is characterized in that the front longitudinal beam (100) is formed with along wheel envelope For avoiding the inner fovea part (105) of wheel, the front deck crossbeam (220) is arranged at the inner fovea part (105), the front longitudinal beam (100) position that inner wall corresponds to the inner fovea part (105) is connected with stiffening plate.

10. body structure according to claim 1, which is characterized in that the front deck crossbeam (220) is arranged in the front wall The front of plate (320) is simultaneously connected on front panel (320), and the front panel is connected to the floor panel (300) front end.

11. body structure according to claim 1, which is characterized in that the front beam (210) is cross before battery pack installation Beam.

12. a kind of vehicle, which is characterized in that including body structure described according to claim 1 any one of -11.