CN109204493A

CN109204493A - Body structure and vehicle

Info

Publication number: CN109204493A
Application number: CN201710525683.6A
Authority: CN
Inventors: 邓荣添; 嵇明; 刘新春; 沙正; 许成
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: WO2019001490A1; CN109204493B

Abstract

This disclosure relates to a kind of body structure and vehicle.The body structure includes threshold internal plate, reinforces stringer, floor panel and longitudinal floor beam, the top reinforced stringer and be located at the floor panel, and the side for reinforcing stringer is connected to threshold internal plate, and the other side is connected to the upper surface of the floor panel；The longitudinal floor beam is located at the lower section of the floor panel, and the side of the longitudinal floor beam is connected to the threshold internal plate, and the other side is connected to the lower surface of the floor panel.In the body structure of the disclosure, pass through connection reinforcement stringer and longitudinal floor beam in threshold internal plate, the overturning deformation for reducing threshold internal plate when the collision of side obstacle can occur in vehicle, be deformed to reduce B column to the intrusion in indoor direction, reduction may be injured caused by occupant.

Description

Body structure and vehicle

Technical field

This disclosure relates to which a kind of body structure, further relates to a kind of vehicle with the body structure.

Background technique

Farthest reduced in traffic (collision) accident of vehicle (especially passenger car) occupant the death rate and by Hurt the core design technology that degree is vehicle research and development and manufacture.Wherein, the design of body structure collision safety distressed structure is to mention The basis of high complete automobile collision security performance.It is wanted to meet the public to the higher and higher crashworthiness of household passenger car It asks, constantly improves and supplement step by step in recent years one in the relevant laws and regulations and value disciplines of the relevant department of various countries all home The experimental condition of the collision safety performance of a little passenger cars.Such as the U.S. is being directed to the vehicle of its domestic market sales, updates it A series of regulations and value disciplines in relation to safety collision performance, it is desirable that bigger collision is born under more multi-state in vehicle body member cabin Power and have relatively small deformation.

As household passenger car is in the universal of world market, fossil energy shortage and burning bring environmental issue are increasingly Seriously, so each state is all in active development new-energy automobile.And electric car as new-energy automobile a direction at For following trend.The design of electric car is in addition to that will meet traditional design, it is also necessary to considers to design higher course continuation mileage, To meet the competitiveness with conventional fuel oil car.

In addition, in order to promote endurance distance, electric car needs to be equipped with more recently as the fast development of electric car The energy storage battery added compares the fuel vehicle of same specification in this way, and complete vehicle weight will be dramatically increased in electric car, this just leads It causes under same experimental condition, the increase of the collision initial stage vehicle kinetic energy of vehicle, that is to say, the body structure of electric car needs Bigger power can be undertaken and absorb more kinergeties to promote safety.Further, in electric car, due to needing Arrange energy storage battery packet, the space of a large amount of body bottom sections is occupied, the vehicle body collision safety of the various classics of conventional fuel oil car Structure technology is not available, therefore designs a kind of novel vehicle body knot for being not only able to satisfy energy storage battery arrangement but also be able to satisfy vehicle safety Structure technology is imperative.

Summary of the invention

Purpose of this disclosure is to provide a kind of higher body structures of collision safety performance.

To achieve the goals above, the disclosure provides a kind of body structure, including threshold internal plate, reinforcement stringer, floor Plate and longitudinal floor beam, the top reinforced stringer and be located at the floor panel, the side for reinforcing stringer is connected to threshold Inner panel, the other side are connected to the upper surface of the floor panel；The longitudinal floor beam is located at the lower section of the floor panel, described The side of longitudinal floor beam is connected to the threshold internal plate, and the other side is connected to the lower surface of the floor panel.

Optionally, the threshold internal plate is formed as outwardly open groove-like structure, and the inner panel top including being oppositely arranged Wall and inner panel bottom wall, and the inner panel side wall of connection the inner panel roof and inner panel bottom wall, the left and right sides of the floor panel With floor panel flange, the floor panel flange includes first segment flange corresponding with the reinforcement stringer position, described The cross section of first segment flange is L-shaped, and the first segment flange and the inner panel roof overlap.

Optionally, the reinforcement stringer has reinforcement side rail inner flange and reinforces the outer lateral flange of stringer, described to reinforce indulging The upper surface of lateral flange and the floor panel overlaps in beam, and the outer lateral flange of the reinforcement stringer is taken with the first segment flange It connects, and the outer lateral flange of the reinforcement stringer, the first segment flange and the inner panel roof link together.

Optionally, the reinforcement stringer is formed as downwardly open groove-like structure, and the reinforcement including being oppositely arranged is vertical Beam inner sidewall and reinforcement stringer lateral wall, and the connection reinforcement stringer reinforced side rail inner wall and reinforce stringer lateral wall Roof, the side rail inner flange of reinforcing are formed in the lower edge for reinforcing side rail inner wall, turn on one's side outside the reinforcement stringer While being formed in the lower edge for reinforcing stringer lateral wall.

Optionally, the reinforcement stringer is formed as the closed groove-like structure in rear and front end, and adds including what is be oppositely arranged Strong stringer front bulkhead and reinforcement stringer aft bulkhead, the stringer front bulkhead of reinforcing are formed in the leading edge for reinforcing stringer roof And it connects the reinforcement side rail inner wall and reinforces stringer lateral wall, it is vertical that the reinforcement stringer aft bulkhead is formed in the reinforcement The back edge of back wall and connect the reinforcement side rail inner wall and reinforce stringer lateral wall.

Optionally, described to reinforce the outer halfbody and interior halfbody that stringer includes lateral split settings, the outer halfbody and interior half Body overlap joint.

Optionally, the outer edge of the first segment flange protrudes from the outer edge of the outer lateral flange of reinforcement stringer.

Optionally, the threshold internal plate is formed as outwardly open groove-like structure, and the inner panel top including being oppositely arranged Wall and inner panel bottom wall, and the inner panel side wall of connection the inner panel roof and inner panel bottom wall, the longitudinal floor beam are formed as upward The groove-like structure of opening, and longitudinal floor beam inner sidewall and longitudinal floor beam lateral wall including being oppositely arranged, and described in connection The top edge of the longitudinal floor beam bottom wall of longitudinal floor beam inner sidewall and longitudinal floor beam lateral wall, the longitudinal floor beam inner sidewall is formed with Lateral flange in longitudinal floor beam, the top edge of the longitudinal floor beam lateral wall are formed with the outer lateral flange of longitudinal floor beam, wherein describedly The lower surface of plate side rail inner flange and the floor panel overlaps, and the outer lateral flange of the longitudinal floor beam is taken with the inner panel bottom wall It connects.

Optionally, the body structure further includes web beam, and the web beam is connected to the reinforcement stringer.

Optionally, the end of the web beam is connected to the threshold internal plate.

Optionally, there is gap between the end of the web beam and the threshold internal plate.

Optionally, gap is formed on the reinforcement stringer, the end of the web beam passes through the gap to protrude into To the inside for reinforcing stringer, the edge of the gap is formed with gap flange, the gap flange and the web beam Overlap joint.

Optionally, the longitudinal floor beam is formed as the groove-like structure of upward opening, and the floor including being oppositely arranged is vertical Beam inner sidewall and longitudinal floor beam lateral wall, and the longitudinal floor beam of connection the longitudinal floor beam inner sidewall and longitudinal floor beam lateral wall Bottom wall, the end of the web beam horizontally extend beyond the longitudinal floor beam inner sidewall.

Optionally, the web beam is that front chair installs crossbeam.

Optionally, the longitudinal floor beam is that battery pack installs stringer.

It, can be in vehicle by connection reinforcement stringer and longitudinal floor beam in threshold internal plate in the body structure of the disclosure Occur side obstacle collision when reduce threshold internal plate overturning deformation, thus reduce B column to the intrusion in indoor direction deform, drop It is low to be injured caused by occupant.

The disclosure also provides a kind of vehicle, which includes body structure as described above.

Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.

Detailed description of the invention

Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:

Figure 1A is the top perspective view according to the body structure of the first embodiment of the disclosure；

Figure 1B is the top view according to the body structure of the first embodiment of the disclosure；

Fig. 1 C is the bottom view according to the body structure of the first embodiment of the disclosure；

Fig. 1 D is the explosive view according to the body structure of the first embodiment of the disclosure；

Fig. 1 E is to reinforce the perspective view of stringer in the body structure according to the first embodiment of the disclosure；

Fig. 1 F is to reinforce the explosive view of stringer in the body structure according to the first embodiment of the disclosure；

Fig. 1 G is the perspective view of upper beam section in the body structure according to the first embodiment of the disclosure；

Fig. 1 H is the perspective view of lower beam section in the body structure according to the first embodiment of the disclosure；

Fig. 1 I is the perspective view of rear web beam in the body structure according to the first embodiment of the disclosure；

Fig. 1 J is to reinforce the connection of stringer and web beam in the body structure according to the first embodiment of the disclosure The schematic diagram of mode；

Fig. 1 K is the perspective view of floor panel in the body structure according to the first embodiment of the disclosure；

Fig. 1 L is the A-A sectional view of Figure 1B；

Fig. 1 M is the enlarged drawing of C portion in Fig. 1 L；

Fig. 1 N is the partial enlarged view of Fig. 1 M；

Fig. 1 O is the B-B sectional view of Figure 1B；

Fig. 1 P is the enlarged drawing of the part D in Fig. 1 O；

Fig. 1 Q is the section three-dimensional map according to the body structure of the first embodiment of the disclosure；

Fig. 1 R is according to the top view of the body structure of the first embodiment of the disclosure, wherein being not shown plate face Plate；

Fig. 1 S is the partial bottom view according to the body structure of the first embodiment of the disclosure；

Fig. 1 T is the perspective rear view according to the body structure of the first embodiment of the disclosure；

Fig. 1 U is the perspective view of front beam in the body structure according to the first embodiment of the disclosure；

Fig. 1 V is the connection side of front beam and longitudinal floor beam in the body structure according to the first embodiment of the disclosure The schematic diagram of formula；

Fig. 1 W and Fig. 1 X is in the body structure according to the first embodiment of the disclosure, front beam and threshold internal plate The schematic diagram of connection type；

Fig. 1 Y is front beam, longitudinal floor beam, threshold internal plate in the body structure according to the another embodiment of the disclosure The schematic diagram of three's connection type；

Fig. 1 Z is the bottom view according to the body structure of the another embodiment of the disclosure.

Fig. 2A is the top view according to the body structure of second of embodiment of the disclosure；

Fig. 2 B is the explosive view according to the body structure of second of embodiment of the disclosure；

Fig. 2 C is to reinforce the perspective view of stringer in the body structure according to the first embodiment of the disclosure；

Fig. 2 D is the E-E sectional view of Fig. 2A；

Fig. 2 E is the enlarged drawing of the part F in Fig. 2 D；

Fig. 3 A is the top view according to the body structure of the third embodiment of the disclosure；

Fig. 4 A is the top view according to the body structure of the 4th kind of embodiment of the disclosure；

Fig. 5 A is the top view according to the body structure of the 5th kind of embodiment of the disclosure；

Fig. 5 B is the explosive view according to the body structure of the 5th kind of embodiment of the disclosure；

Fig. 5 C is to reinforce the perspective view of stringer in the body structure according to the 5th kind of embodiment of the disclosure；

Fig. 5 D is the G-G sectional view or H-H sectional view of Fig. 5 A；

Fig. 5 E is the enlarged drawing of the part K in Fig. 5 D；

Fig. 5 F is the partial enlarged view of Fig. 5 E；

Fig. 5 G is the I-I sectional view or J-J sectional view of Fig. 5 A；

Fig. 5 H is the enlarged drawing of the part M in Fig. 5 G；

Fig. 6 A is the top view according to the body structure of the 6th kind of embodiment of the disclosure；

Fig. 6 B is the explosive view according to the body structure of the 6th kind of embodiment of the disclosure；

Fig. 6 C is to reinforce the perspective view of stringer in the body structure according to the 6th kind of embodiment of the disclosure；

Fig. 6 D is the P-P sectional view or Q-Q sectional view of Fig. 6 A；

Fig. 6 E is the enlarged drawing of the part T in Fig. 6 D；

Fig. 6 F is the R-R sectional view or S-S sectional view of Fig. 6 A；

Fig. 6 G is the enlarged drawing of the part W in Fig. 6 F；

Fig. 6 H is the partial enlarged view of Fig. 6 G；

Fig. 7 A is the top view according to the body structure of the 7th kind of embodiment of the disclosure.

Fig. 8 A is the top view according to the body structure of the 8th kind of embodiment of the disclosure；

Fig. 8 B is the bottom view according to the body structure of the 8th kind of embodiment of the disclosure；

Fig. 8 C is the explosive view according to the body structure of the 8th kind of embodiment of the disclosure；

Fig. 8 D is the U-U sectional view of Fig. 8 A；

Fig. 8 E is the enlarged drawing of the part V in Fig. 8 D；

Fig. 8 F is the partial enlarged view of Fig. 8 E；

Fig. 8 G is the perspective view of floor panel in the body structure according to the 8th kind of embodiment of the disclosure.

Specific embodiment

It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.

In the disclosure, in the absence of explanation to the contrary, the noun of locality used such as " up, down, left, right, before and after " be It is defined on the basis of the up and down direction of vehicle, left and right directions and front-rear direction, specifically in the accompanying drawings, X-direction is vehicle Front-rear direction, that is, the longitudinal direction of vehicle, wherein the side that arrow is directed toward is " preceding ", otherwise is " rear "；Y-direction is vehicle Left and right directions, that is, the transverse direction of vehicle, wherein the side that arrow is directed toward is " right side ", otherwise is " left side "；Z-direction is vehicle Up and down direction, that is, the short transverse of vehicle, wherein the side that arrow is directed toward is "upper", otherwise is "lower"；" inside and outside " It is outside the car and vehicle defined on the basis of the profile of corresponding component, such as defined on the basis of vehicle's contour, close to vehicle The side at middle part is "inner", otherwise is "outside".It is defined above to be only used for aiding in illustrating the disclosure, it is not construed as to the disclosure Limitation.

All " crossbeam " refers to the beam extended substantially along left and right vehicle wheel direction in the disclosure, and all " stringer " refers to greatly The beam that body extends along vehicle front-rear direction.In addition, being related in each embodiment of the disclosure in the case where other no specific explanations And " floor panel ", " threshold internal plate ", " A column ", " B column ", the nouns such as " rear anti-collision cross beam " be meant that it in the art Common art-recognized meanings.

In addition unless specifically defined or limited otherwise, term " connection ", " connected ", " fixation " etc. shall be understood in a broad sense, It can be integrally formed for example, by the non-removable modes such as welding, dismountable mode such as bolt, or molding etc. What mode was realized.

Figure 1A is the top perspective view according to the body structure of the first embodiment of the disclosure.Figure 1B is according to this public affairs The top view of the body structure for the first embodiment opened.Fig. 1 C is the vehicle body knot according to the first embodiment of the disclosure The bottom view of structure.Fig. 1 D is the explosive view according to the body structure of the first embodiment of the disclosure.According to the disclosure In the body structure of the first embodiment, as shown in Figure 1A and Fig. 1 D, the body structure includes being spaced to set in left-right direction Two threshold internal plates 500 setting, in left-right direction spaced two reinforcement stringers 130 and interval is set along the longitudinal direction The web beam 240 and 250 set.Two threshold internal plates 500 are separately positioned on the left and right sides of floor panel 300, each reinforcement Stringer 130 is connected to corresponding threshold internal plate 500, to reinforce threshold internal plate 500.Each web beam is connected to two Reinforce stringer 130, web beam 240 and 250 connects the reinforcement stringer 130 of the left and right sides.Web beam 240 and 250 Reinforce the closed loop frame that stringer 130 surrounds " mouth " font with two, which is supported on the threshold internal plate 500 of the left and right sides Between.

Through the above technical solutions, passing through the connection reinforcement in threshold internal plate 500 when obstacle collision in side occurs for vehicle Stringer 130, and the reinforcement stringer 130 of two sides is connected by web beam 240 and 250, on the one hand it can effectively reduce The overturning of threshold internal plate 500 deforms, and becomes to reduce B column 800 (being connected in threshold internal plate 500) to the intrusion in indoor direction Shape, reduction may be injured caused by occupant；On the other hand the cross of floor panel 300 and threshold internal plate 500 can be substantially reduced To deformation, the battery pack for preventing occupant injured and being laid in 300 lower section of floor panel is impaired.

When Collision of Flank Pole occurs for vehicle, by reinforcing what stringer 130 surrounded by web beam 240 and 250 and two " mouth " font closed loop frame, can not only effectively promote the intensity of body structure, and can be by impact force from the threshold of side Inner panel 500 is directly passed to the threshold internal plate 500 of the other side, so as to be substantially reduced floor panel 300 and threshold internal plate 500 Transversely deforming, the battery pack for preventing occupant injured and being laid in 300 lower section of floor panel is impaired.Also, work as vehicle When Collision of Flank Pole, as long as the point of impingement is in the range of reinforcing stringer 130, impact force can pass through web beam 240 and 250 It is transmitted to the other side.

Especially in " mouth " font closed loop frame being reinforced stringer 130 by web beam 240 and 250 and two and being surrounded In, each both ends for reinforcing stringer 130 are supported by a web beam respectively, this to reinforce stringer 130 with very high strong Degree and rigidity, when Collision of Flank Pole occurs, reinforcing stringer 130 more effectively can pass to web beam 240 for impact force With 250.

In the present embodiment, as shown in FIG. 1A and 1B, reinforce the top that floor panel 300 is arranged in stringer 130.? In other embodiments, reinforcing stringer 130 also be can be set in the lower section of floor panel 300.Each side for reinforcing stringer 130 It can connect in corresponding threshold internal plate 500, the other side can connect in floor panel 300.

In the present embodiment, in order to improve the installation strength of front chair, guarantee the safety of front-row occupant, web beam Front chair installation point can be set on 240 and 250, that is to say, that before web beam 240 and 250 can be respectively front chair Crossbeam is installed after installation crossbeam and front chair.Certainly, in other embodiments, front chair installation point also can be set by adding In the region that deck transverse 240 and 250 and two reinforcement stringers 130 surround.

When the lower section of floor panel 300 is arranged in reinforcement stringer 130, web beam 240 and 250 be can be set on floor The lower section of panel 300 is simultaneously connect with the lower surface of floor panel 300.In this case, if by web beam 240 and 250 It uses as installation crossbeam after installing crossbeam and front chair before front chair, then it can be in floor panel 300 and web beam pair The position aperture answered, in order to which fastener can pass through floor panel 300 to be connected to web beam.

In the present embodiment, reinforcing stringer 130 can be set any suitable lengthwise position in threshold internal plate 500 On, as shown in Figure 1A, reinforcing stringer 130 for example can be set in the position generally corresponded to B column 800.

In the present embodiment, as depicted in figure iM, threshold internal plate 500 can be formed as being open U-type groove structure outwardly and Including the inner panel roof 501 and inner panel bottom wall 502 being oppositely arranged, and it is connected between inner panel roof 501 and inner panel bottom wall 502 Inner panel side wall 503, the outer edge of inner panel roof 501 is formed with the inner panel upper overturning 500a flipped up, inner panel bottom wall 502 Outer edge is formed with the inner panel lower flange 500b being turned over downwards.With 800 corresponding position of B column, inner panel upper overturning 500a can be with B Column 800 overlaps.

Since B column 800 is connected in threshold internal plate 500, the setting of stringer 130 will be reinforced and generally corresponded to B column 800 Position, targetedly the part of threshold internal plate 500 being connected with B column 800 can be reinforced, to more effectively subtract Small B column 800 is deformed to the intrusion in indoor direction.

Specifically, the front end for reinforcing stringer 130 can reinforce stringer 130 positioned at the front of the leading edge 801 of B column 800 Rear end can be located between the leading edge 801 and back edge 802 of B column 800.Reinforce the length of stringer 130 for example can for 300~ 500mm.In some possible embodiments, the front end for reinforcing stringer 130 can extend to position corresponding with A column, rear end Back seat installation crossbeam can be extended to.

Spacing between web beam 240 and 250 is (that is, the front of the back edge of web beam 240 and web beam 250 The distance between edge) it can be 250-350mm, and the web beam 250 being located behind in two web beams can be in vehicle Transverse direction on generally corresponded to B column 800.In some possible embodiments, web beam 240 can move forward to and A column Corresponding position, web beam 250 can be moved back to back seat installation crossbeam front and neighbouring back seat installation crossbeam setting.

Reinforcing stringer 130 can have various structures appropriate, and the disclosure is without limitation.In the present embodiment, In order to make reinforce stringer 130 have higher structural strength, as shown in Fig. 1 E and Fig. 1 P, reinforce stringer 130 can be formed as to The groove-like structure of under shed, and the reinforcement side rail inner wall 132 including being oppositely arranged and reinforcement stringer lateral wall 133, and It connects the reinforcement side rail inner wall 132 and reinforces the reinforcement stringer roof 131 of stringer lateral wall 133.

In this case, for the ease of connecting with threshold internal plate 500 and floor panel 300, reinforce side rail inner wall 132 Lower edge could be formed with reinforce side rail inner flange 130a, reinforce stringer lateral wall 133 lower edge could be formed with plus The strong outer lateral flange 130b of stringer.Wherein, the upper surface for reinforcing side rail inner flange 130a and floor panel 300 overlaps, and reinforces vertical The outer lateral flange 130b of beam and the inner panel roof 501 of threshold internal plate 500 overlap, and the position for reinforcing the outer lateral flange 130b of stringer can To be higher than the position for reinforcing side rail inner flange 130a.

Further, as referring to figure 1E, the closed groove-like structure in rear and front end can be formed as by reinforcing stringer 130, and It further include the reinforcement stringer front bulkhead 134 being oppositely arranged and reinforcement stringer aft bulkhead 135, wherein reinforce 134 shape of stringer front bulkhead At the leading edge and connection reinforcement side rail inner wall 132 and reinforcement stringer lateral wall 133 in reinforcement stringer roof 131, reinforce Stringer aft bulkhead 135 is formed in the back edge for reinforcing stringer roof 131 and connects 132 He of reinforcement side rail inner wall Reinforce stringer lateral wall 133, the lower edge for reinforcing stringer front bulkhead 134, which is formed with, reinforces stringer front end flange 130c, reinforces vertical The lower edge of beam aft bulkhead 135, which is formed with, reinforces stringer rear end flange 130d, reinforces stringer front end flange 130c and reinforces stringer Rear end flange 130d is overlapped with the upper surface of floor panel 300.Channel-shaped closed at both ends is designed to by the way that stringer 130 will be reinforced Structure further increases the intensity for reinforcing stringer 130, is conducive to the transmitting of impact force when side collision；It is another Aspect makes the inside for reinforcing stringer 130 be formed as closed space, there will be neither sundries entrance in this way, and in vehicle driving The inside of Shi Jiaqiang stringer 130 will not generate air flowing, to reduce noise.

Reinforcing stringer 130 can be integrally formed, and can be formed by connecting by multiple portions.In the present embodiment, in order to just In production, as shown in fig. 1F, outer halfbody 130A and interior halfbody 130B, outer halfbody can be divided into along its transverse direction by reinforcing stringer 130 130A and interior halfbody 130B is overlapped.Wherein, reinforce stringer lateral wall 133 and the outer lateral flange 130b of reinforcement stringer is formed in outer halfbody On 130A, reinforces side rail inner wall 132 and reinforcement side rail inner flange 130a is formed on interior halfbody 130B.

As shown in Fig. 1 K and Fig. 1 M, for the ease of connecting with threshold internal plate 500, the left and right sides of floor panel 300 can be with With floor panel flange 300B.In one embodiment, floor panel flange 300B is corresponding with 130 position of stringer is reinforced Part has L shape cross section, and other parts have linear type cross section.

In other words, as shown in figure iK, floor panel flange 300B may include corresponding with 130 position of stringer is reinforced the One section of flange 300B1, and turned over positioned at the second segment flange 300B2 in the front of first segment flange 300B1 and/or positioned at first segment The third section flange 300B3 at the rear of side 300B1.Wherein, the cross section of first segment flange 300B1 is L-shaped (that is, first upwards Fold, then fold outward), it is overlapped with the roof of the inner panel roof 501 with threshold internal plate 500.Second segment flange 300B2 and/or The cross section of third section flange 300B3 can be in linear type (that is, flipping up), with the inner panel side wall with threshold internal plate 500 503 overlap joints.In this case, in order to guarantee reinforce stringer 130 and threshold internal plate 500 connection reliability, raising vehicle body knot The collision safety performance of structure reinforces the inner panel roof of the outer lateral flange 130b of stringer, first segment flange 300B1 and threshold internal plate 500 501 can be welded together with three stackings.

For the ease of applying sealant between first segment flange 300B1 and inner panel roof 501 to prevent indoor water inlet, one In kind embodiment, as shown in Fig. 1 N, the outer edge 300B11 of first segment flange 300B1, which can be protruded from, to be reinforced turning on one's side outside stringer The outer edge 130b1 of side 130b.

In the disclosure, web beam and reinforcement stringer can be linked together by any suitable mode.

In one embodiment, it is formed as shown in Fig. 1 F and Fig. 1 J, on interior halfbody 130B there are two gap 130e, is reinforced The end of crossbeam 240 and 250 passes through corresponding gap 130e to extend into the inside for reinforcing stringer 130 (that is, it is vertical to extend into reinforcement In the cavity that beam 130 and floor panel 300 are formed), that is to say, that reinforce stringer 130 and is crossed on web beam 240 and 250. Gap 130e can be the shape to match with the cross section of web beam 240 and 250, such as can be " ∩ " shape.Gap The edge of 130e is formed with gap flange 130f, and gap flange 130f and web beam overlap, so as to reinforce stringer and reinforce horizontal Beam connection.

The end of each web beam can be directly connected to threshold internal plate 500, can not also be connected with threshold internal plate 500 It connects.

It in the present embodiment, as depicted in figure iM, can between the end of each web beam and corresponding threshold internal plate 500 For example can be 2~8mm with gap a, gap a.In this case, when side collision occurs, threshold internal plate 500 Impact force is passed to the reinforcement stringer 130 being attached thereto, which passes to 240 He of web beam for impact force 250, impact force is passed to the reinforcement stringer 130 of the other side by web beam 240 and 250, and the reinforcement stringer 130 of the other side is again Impact force is passed to the threshold internal plate 500 being attached thereto.When 500 stress of threshold internal plate be squeezed and deformed and with web beam 240 With 250 end contact when, a part of impact force is directly passed to web beam 240 and 250, another portion by threshold internal plate 500 Point impact force is indirectly transferred to web beam 240 and 250 by reinforcing stringer 130.The end of web beam 240 and 250 and door Gap a between sill inner panel 500 can guarantee that threshold internal plate 500 has certain deformation buffer space, to absorb local collision Energy.

As shown in Fig. 1 D and Fig. 1 K, the centre gangway 300A to raise upward is formed on floor panel 300.For the ease of cloth The web beam 240 and 250 for extending transversely through floor panel 300 is set, in the present embodiment, centre gangway 300A can have ratio The lower height of common centre gangway, for example, the height of centre gangway 300A can be less than 50mm.Centre gangway 300A's is transversal Face is in downwardly open U-shaped, and including centre gangway roof 300A1 and two centre gangway side wall 300A2.

In one embodiment, web beam 240 and 250 can be respectively positioned on the top of floor panel 300 and in Entreat channel 300A.

In the present embodiment, as shown in Fig. 1 D and Fig. 1 Q, the web beam 240 in front is located in two web beams, I.e. preceding web beam 240 may include the lower beam of two upper beam sections 241 of spaced two upper beam sections 241 and connection Section 242.Each upper beam section 241 is located at the top of floor panel 300 and is connected to corresponding reinforcement stringer 130, lower beam section The lower section of 242 centrally located channel 300A.Upper beam section 241, centre gangway side wall 300A2 and lower beam section 242 can be with three layers Stitch welding is together.

Specifically, as shown in Figure 1 G, upper beam section 241 can be formed as downwardly open groove-like structure, and including two The upper beam section roof 2411 of two upper beam section side walls 2412 of a upper beam section side wall 2412 being oppositely arranged and connection, upper cross The lower edge of beam section side wall 2412 is formed with the upper beam section side wall flange 241a extended in left-right direction, and upper beam section side wall turns over The upper surface of side 241a and floor panel 300 overlaps.

As shown in fig. 1H, lower beam section 242 can be formed as the groove-like structure of upward opening, and set relatively including two The lower beam section bottom wall 2421 for the two lower beam section side walls 2422 of lower beam section side wall 2422 and connection set, lower beam section side wall 2422 top edge be formed with the lower beam section side wall flange 242a, lower beam section side wall flange 242a that extend in left-right direction with The lower surface of floor panel 300 overlaps.

At centre gangway side wall 300A2, upper beam section side wall flange 241a, centre gangway side wall 300A2 and lower beam Section side wall flange 242a can be welded together with three stackings.

As shown in Fig. 1 Q, upper beam section 241 extends to centre gangway roof far from one end of threshold internal plate 500 On 300A1, and at centre gangway roof 300A1, upper beam section side wall flange 241a, centre gangway roof 300A1 and under Beam segments side wall flange 212 can be welded together with three stackings.

Here, in side collision, lower beam section 242 functions not only as a part of web beam 240 to transmit collision Power, and centre gangway 300A can be reinforced, prevent centre gangway 300A from occurring in side collision from two sides in Between the phenomenon that huddling up, further decrease the transversely deforming of floor panel 300.

The web beam being located behind in two web beams, i.e., rear web beam 250 can be located at floor panel 300 Top and extend past centre gangway 300A.By reducing the height of centre gangway 300A, make it possible to reduce web beam 250 The difference in height of each section guarantees that web beam 250 has preferable continuity and straightness, is conducive to the transmitting of impact force.

As shown in Figure 1 I, web beam 250 can be formed as downwardly open groove-like structure, and set relatively including two The rear web beam roof 251 of web beam side wall 252, rear to reinforce cross after the rear web beam side wall 252 set and connection two The lower edge of beam side wall 252 is formed with the rear web beam side wall flange 250a extended in left-right direction, rear web beam side wall The upper surface of flange 250a and floor panel 300 overlaps.

It similarly, can also be corresponding with web beam 250 in the lower section of centre gangway 300A as shown in Fig. 1 C and Fig. 1 D Centre gangway reinforcing beam 430, the both ends of the centre gangway reinforcing beam 430 and centre gangway side wall 300A2 and reinforcement is arranged in position The stacking of crossbeam 250 3 is welded together.In side collision, centre gangway reinforcing beam 430 can not only prevent centre gangway 300A The phenomenon that appearance is huddled up from two sides to centre, reduces the transversely deforming of floor panel 300, and can assist in web beam 250 A part of impact force is transmitted, web beam 250 is avoided to be deformed in stress raiser.

In the present embodiment, as shown in Fig. 1 R, the body structure can also include spaced along the longitudinal direction Front beam 210 and Floor rear crossbeam 230, in left-right direction spaced two floor side members 120, the rear end of floor side member 120 can To be connect with rear anti-collision cross beam.Front beam 210 is located at the front of web beam 240 and 250 and is connected under floor panel 300 Surface, Floor rear crossbeam 230 are located at the rear of web beam 240 and 250 and are connected to the lower surface of floor panel 300, threshold The rear end of inner panel 500 is connected to floor side member 120, and the both ends of Floor rear crossbeam 230 are connected to two floor side members 120.At this In the case of kind, for convenience of explanation, floor side member 120 can be divided for positioned at the front in 230 front of Floor rear crossbeam and positioned at ground The rear portion at 230 rear of plate rear cross beam.

In this case, behind the front and floor of 210, two threshold internal plates of front beam, 500, two floor side members 120 The bearing frame of the formation general rectangular of crossbeam 230.The bearing frame can be used for installing and vehicle element, such as pacifying The battery tray 610 (visible in Fig. 1 S) of dress and carrying battery pack.

When bearing frame is for when installing battery tray 610, front beam 210 and Floor rear crossbeam 230 can successively to be claimed To install crossbeam after installation crossbeam and battery pack before battery pack.

Since floor side member 120 is usually in the arch being bent upwards, the position of Floor rear crossbeam 230 is usually above preceding cross The position of beam 210.In this case, in order to guarantee 610 horizontal layout of battery tray, as shown in Fig. 1 T, Floor rear crossbeam 230 On can be set that there are two the battery tray mounting brackets 340 that extend downwardly, two battery tray mounting brackets 340 are along left and right The setting of direction interval, the front end of battery tray 610 are mounted on front beam 210, and the rear end of battery tray 610 is mounted on battery tray In disk mounting bracket 340.Battery tray fastener hole can be offered in front beam 210 and battery tray mounting bracket 340, with logical It crosses fastener and the rear and front end for the battery tray 610 for carrying battery pack is mounted respectively to front beam 210 and battery tray installation On bracket 340.

In the present embodiment, as shown in Fig. 1 C, Fig. 1 D, Fig. 1 M, Fig. 1 P, Fig. 1 Q, Fig. 1 R and Fig. 1 T, the body structure It can also include that spaced two longitudinal floor beams 110, the longitudinal floor beam 110 are connected to floor panel 300 in left-right direction Lower surface, and the rear and front end of each longitudinal floor beam 110 is connected with front beam 210 and corresponding floor side member 120 respectively.By This makes floor panel 300 be separately installed with body rail on front-rear direction and left and right directions, plays and reinforces floor panel 300 Effect, avoids deformation of the floor panel 300 in collision (including frontal collision, rear collision and side collision) excessive.

In the present embodiment, battery tray fastener hole, a left side for battery tray 610 can be offered on longitudinal floor beam 110 Right two sides can be separately mounted on longitudinal floor beam 110.In this case, longitudinal floor beam 110 can be referred to as battery pack peace Fill stringer.

The lower surface of floor panel 300 can be all connected to inside and outside longitudinal floor beam 110.In the present embodiment, As shown in Fig. 1 P and Fig. 1 Q, the outside of longitudinal floor beam 110 is connected to corresponding threshold internal plate 500, the inside connection of longitudinal floor beam In floor panel 300.By the way that longitudinal floor beam 110 to be connected in threshold internal plate 500, threshold internal plate 500 can be further strengthened, The overturning deformation of threshold internal plate 500 when reducing the collision of side obstacle.Also, when longitudinal floor beam 110 installs stringer as battery pack In use, the spacing of two longitudinal floor beams 110 can be increased as far as possible using this connection type, to guarantee floor panel 300 Lower section has bigger battery arrangement space to arrange more batteries, increases the course continuation mileage of vehicle.It is set when reinforcing stringer 130 When setting below floor panel 300, reinforcing stringer 130 can be formed as one with longitudinal floor beam 110, that is to say, that reinforce horizontal Beam 240 and 250 can connect in longitudinal floor beam 110.

In a kind of alternative embodiment, battery tray fastener hole can be opened up in threshold internal plate 500, by battery The left and right sides of pallet 610 is separately mounted in two threshold internal plates 500, thus no setting is required longitudinal floor beam 110.

In another alternative embodiment, electricity can be opened up respectively on longitudinal floor beam 110 and threshold internal plate 500 Battery tray 610 is mounted on longitudinal floor beam 110 and threshold internal plate 500 by pond pallet fastener hole simultaneously.In this case, Longitudinal floor beam 110 can be referred to as battery pack installation stringer.

In the present embodiment, the both ends of Floor rear crossbeam 230 are connected to two floor side members 120.It is especially local Plate rear cross beam 230 is as installation crossbeam after battery pack in use, horizontal after can increasing front beam 210 and floor in this way The spacing of beam 230 increases to make have bigger battery arrangement space to arrange more batteries below floor panel 300 The course continuation mileage of vehicle.

In a kind of possible embodiment, the both ends of Floor rear crossbeam 230 can be connected to two longitudinal floor beams 110 or two threshold internal plates 500.In this case, the bearing frame can not include two floor side members 120.

Battery pack can be mounted on the bearing frame in the form of an entirety, can also be installed in seperated form On bearing frame.In other words, battery tray 610 can be one, also may include multiple sub- pallets of split settings.

Battery pack be split settings it is multiple in the case where, can be by front beam 210 and floor as shown in Fig. 1 Z Between rear cross beam 230 be arranged one or more battery packet in install crossbeam 360 dividing bearing frame 700 for multiple subframes, In this way, the battery tray (that is, every sub- pallet) of each battery pack may be mounted on corresponding subframe.It is installed in battery pack Battery tray fastener hole can be offered on crossbeam 360.Crossbeam 360 is installed in battery pack can be set in floor panel 300 Lower surface also can be set in the upper surface of floor panel 300.It is arranged when installing crossbeam 360 in battery pack in floor panel 300 Upper surface when, can the corresponding position aperture on floor panel 300, so as to fastener can pass through floor panel 300 with It is connected to installation crossbeam 360 in battery pack.

Here, crossbeam 360 is installed in battery pack can be to install battery pack crossbeam set in addition, be also possible to vehicle The intrinsic crossbeam of body structure (for example, front chair installation crossbeam).

In one embodiment, as shown in Fig. 1 Z, battery tray 610 includes two the first sub- pallets of split settings The sub- pallet 610B of 610A and second, is provided in a battery pack between front beam 210 and Floor rear crossbeam 230 and installs crossbeam 360, the first sub- pallet 610A are connect with installation crossbeam 360 in front beam 210, longitudinal floor beam 110 and battery pack respectively, the second son Pallet 610B is connect with installation crossbeam 360, longitudinal floor beam 110 and Floor rear crossbeam 230 in battery pack respectively.

In the present embodiment, with reference to shown in Fig. 1 U, front beam 210 can be formed as the groove-like structure of upward opening, and And including front beam bottom wall 211, the front beam front side wall 212 and front beam rear wall 213 that are oppositely arranged, front beam front side wall 212 top edge is formed with the front beam front side wall flange 210a extended in left-right direction, the top edge of front beam rear wall 213 It is formed with the front beam rear wall flange 210b extended in left-right direction, front beam 210 passes through front beam front side wall flange 210a The lower surface of floor panel 300 is connected to front beam rear wall flange 210b.

Front beam 210 and floor panel 300 surround the substantially rectangular in cross section or trapezoidal cavity in cross section, to enhance body structure Collision resistance, facilitate reduce floor panel 300 collision deformation.The cavity that front beam 210 and floor panel 300 surround In reinforcement structure (such as welding metal plate) or filling CBS (composite reinforcing material) etc. can also be set, further to promote preceding cross Beam 210 bears the ability hit, and reduces the deformation quantity of front beam 210 in an impact.

As shown in Fig. 1 U, the end of front beam front side wall 212 could be formed with front beam front side wall end flange 210c, preceding The end of crossbeam rear wall 213 could be formed with front beam rear wall end flange 210d, and the end of front beam bottom wall 211 can be with Front beam bottom wall overlap edge 210e is extended outwardly to form, in order to which front beam 210 can be turned over by front beam front side wall end Side 210c, front beam rear wall end flange 210d and front beam bottom wall overlap edge 210e and longitudinal floor beam 110 or threshold internal plate 500 equal overlap joints.

In the present embodiment, as shown in Fig. 1 P, longitudinal floor beam 110 can be formed as the groove-like structure and packet of upward opening It includes longitudinal floor beam inner sidewall 112 and longitudinal floor beam lateral wall 113 and connects the longitudinal floor beam inner sidewall 112 and the floor The longitudinal floor beam bottom wall 111 of stringer lateral wall 113.The top edge of longitudinal floor beam inner sidewall 112 is formed with to be extended along the longitudinal direction Lateral flange 110a in longitudinal floor beam, the top edge of longitudinal floor beam lateral wall 113 are formed with the longitudinal floor beam extended along the longitudinal direction Outer lateral flange 110b, the lower surface of lateral flange 110a and floor panel 300 overlaps in longitudinal floor beam, the outer lateral flange of longitudinal floor beam 110b and the inner panel bottom wall 502 of threshold internal plate 500 overlap, and the position of the outer lateral flange 110b of longitudinal floor beam can be lower than longitudinal floor beam The position of interior lateral flange 110a.

When longitudinal floor beam 110 as battery pack installation stringer in use, when side collision in order to prevent in battery tray 610 Battery be squeezed, in the present embodiment, as depicted in figure iM, the end of web beam 240 and 250 can horizontally prolong Longitudinal floor beam inner sidewall 112 is extended over, to guarantee that the both ends of web beam 240 and 250 extend beyond the left and right two of battery Side.

As front beam 210, longitudinal floor beam 110,500 three's connection type of threshold internal plate the first possible embodiment party Formula, as shown in Fig. 1 V to Fig. 1 X, the both ends of front beam 210 are respectively connected to threshold internal plate 500, the front end of longitudinal floor beam 110 with Front beam 210 connects.

Specifically, the end of the front beam front side wall 212 of front beam 210 is formed with front beam front side wall end flange 210c, the end of front beam rear wall 213 are formed with front beam rear wall end flange 210d, the end of front beam bottom wall 211 Extend outwardly to form front beam bottom wall overlap edge 210e.Wherein, front beam front side wall end flange 210c and threshold internal plate 500 Inner panel side wall 503 overlap, the inner panel side wall 503 of front beam rear wall end flange 210d and threshold internal plate 500 overlaps, preceding cross Beam bottom wall overlap edge 210e and the inner panel bottom wall 502 of threshold internal plate 500 overlap, to ensure front beam 210 and threshold internal plate 500 Connection is not vulnerable, to preferably disperse collision impact, body structure generation is avoided significantly to deform.

The front end of longitudinal floor beam inner sidewall 112 is formed with longitudinal floor beam inner sidewall front end flange 110c, longitudinal floor beam bottom wall 111 front end extends forward to form longitudinal floor beam bottom wall overlap edge 110e.Wherein, lateral flange 110a and preceding cross in longitudinal floor beam The front beam rear wall flange 210b of beam 210 is overlapped, the front beam of longitudinal floor beam inner sidewall front end flange 110c and front beam 210 Rear wall 213 overlaps, and the front beam bottom wall 211 of longitudinal floor beam bottom wall overlap edge 110e and front beam 210 overlaps.

In this connection type, arbitrarily both having in front beam 210, longitudinal floor beam 110 and threshold internal plate 500 Connection relationship, therefore, when vehicle collides (such as frontal collision), the collision impact that front longitudinal beam 100 is subject to is transferred to Front beam 210, and longitudinal floor beam 110 and threshold internal plate 500 are transferred to by front beam 210, and in longitudinal floor beam 110 and threshold Plate 500 connects, and this connection type enables collision impact to be more evenly dispersed at the link position of the three, mentions Rise the collision resistance of link position.

The advantages of this connection type, also resides in, and when frontal collision occurs for vehicle, the end of longitudinal floor beam 110 can be supported Front beam 210 is pushed up, front beam 210 is avoided to move backward, squeezes the other elements of body structure, such as front beam 210 as electricity Installation crossbeam before the packet of pond is in use, this connection type can protect the battery pack for installing crossbeam rear before battery pack.Together Sample, when side collision occurs for vehicle, front beam 210 can support threshold internal plate 500, and threshold internal plate 500 is avoided inwardly to squeeze Pressure zone moves 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, example As longitudinal floor beam 110 installs stringer positioned at battery pack in use, this connection type can be protected as battery pack installation stringer The battery pack of inside promotes the collision safety performance of vehicle to avoid battery pack because extrusion deformation causes possible on fire.

As front beam 210, longitudinal floor beam 110,500 three's connection type of threshold internal plate second of possible embodiment party Formula, as shown in Fig. 1 Y, the both ends of front beam 210 are connected to two longitudinal floor beams 110, and threshold internal plate 500 is connected to floor The outside of stringer 110 and being spaced with front beam 210 is arranged, i.e., it is vertical to be connected to floor for front beam 210 and threshold internal plate 500 The two sides of beam 110.

Specifically, front beam front side wall flange 210a and lateral flange 110a in longitudinal floor beam is overlapped, and front beam rear wall turns over Side 210b is overlapped with lateral flange 110a in longitudinal floor beam, front beam front side wall end flange 210c and longitudinal floor beam inner sidewall 112 Overlap joint, front beam rear wall end flange 210d and longitudinal floor beam inner sidewall 112 overlap, front beam bottom wall overlap edge 210e and ground Plate stringer bottom wall 111 overlaps, and the outer lateral flange 110b of longitudinal floor beam and inner panel bottom wall 502 overlap.

In this connection type, when frontal collision occurs for vehicle, the collision impact that front longitudinal beam 100 is subject to is transferred to Front beam 210, and be successively transferred in longitudinal floor beam 110 and threshold internal plate 500.

Fig. 2A is the top view according to the body structure of second of embodiment of the disclosure.Fig. 2 B is according to the disclosure The explosive view of the body structure of second of embodiment.The difference of second embodiment and the first embodiment of the disclosure Place is web beam and reinforces the connection type of stringer.As shown in Figure 2 A and 2 B, in the second embodiment, reinforce For stringer 130 between web beam 240 and 250, the both ends for reinforcing stringer 130 are connected to web beam 240 and 250.

Specifically, in the present embodiment, as shown in Fig. 2 C and 2E, the both ends for reinforcing stringer 130, which can be respectively provided with, to be added Strong stringer front end flange 130c and reinforcement stringer rear end flange 130d, reinforces stringer front end flange 130c and takes with web beam 240 It connects, reinforces stringer rear end flange 130d and web beam 250 overlaps.

Fig. 3 A is the top view according to the body structure of the third embodiment of the disclosure.The third implementation of the disclosure Mode is with the first embodiment the difference is that the quantity of web beam.As shown in Figure 3A, in the third embodiment In, it is only connected by a web beam 240 between two reinforcement stringers 130.Web beam and the connection type for reinforcing stringer Can be identical as the first embodiment, details are not described herein.

Fig. 4 A is the top view according to the body structure of the 4th kind of embodiment of the disclosure.4th kind of implementation of the disclosure Mode is with the first embodiment the difference is that the arrangement of two web beams.As shown in Figure 4 A, at the 4th kind In embodiment, two reinforcement stringers 130 are connected by two cross one another web beams 240 and 250.Web beam with plus The connection type of strong stringer can be identical as the first embodiment, and details are not described herein.As shown in Figure 4 A, each web beam Three sections can be divided into, two sections positioned at both ends can extend in left-right direction and connect with stringer 130 is reinforced, and be located in the middle one Section can be set on centre gangway 300A and tilt extension.

Fig. 5 A is the top view according to the body structure of the 5th kind of embodiment of the disclosure.Fig. 5 B is according to the disclosure The explosive view of the body structure of 5th kind of embodiment.Fig. 5 C is the body structure according to the 5th kind of embodiment of the disclosure In, reinforce the perspective view of stringer.The 5th kind of embodiment and the first embodiment of the disclosure are the difference is that reinforce The form of stringer.As shown in Figure 5 A to FIG. 5 C, in the 5th kind of embodiment, each reinforcement stringer 130 includes along the longitudinal direction Spaced two sections, that is, preceding reinforcement stringer 130 I and rear reinforcement stringer 130 II, web beam 240 are reinforced before being connected to two Stringer 130 I, web beam 250 reinforce stringer 130 II after being connected to two.Web beam and the connection type for reinforcing stringer can With identical as the first embodiment, details are not described herein.

In order to guarantee to touch in test in Flank Pole, when the position of collision of rigid post in preceding reinforcement stringer 130 I and rear is reinforced indulging When between beam 130 II, preceding reinforcement stringer 130 I and/or it is rear reinforce stringer 130 II can abundant stress, in the present embodiment, Interval L between the preceding rear end for reinforcing stringer 130 I and the rear front end for reinforcing stringer 130 II is less than the diameter of rigid post, such as small In 254mm.

Preceding reinforcement stringer 130 I and rear stringer 130 II of reinforcing can have various structures appropriate, and the disclosure does not do this Limitation.In the present embodiment, as illustrated in fig. 5h, preceding reinforcement stringer 130 I can be formed as downwardly open groove-like structure, and And preceding reinforcement side rail inner wall 130 I 2 and preceding reinforcement stringer lateral wall 130 I 3 including being oppositely arranged, and connection it is described before plus Strong side rail inner wall 130 I 2 and the preceding preceding reinforcement stringer roof 130 I 1 for reinforcing stringer lateral wall 130 I 3, preceding reinforcement side rail inner The lower edge of wall 130 I 2 reinforces 130 I a of side rail inner flange, the preceding lower edge shape for reinforcing stringer lateral wall 130 I 3 before being formed with Cheng Youqian reinforces 130 I b of the outer lateral flange of stringer.

Wherein, the preceding upper surface overlap joint for reinforcing 130 I a of side rail inner flange and floor panel 300, preceding reinforcement stringer outside 130 I b of flange and inner panel roof 501 overlap, and the preceding position for reinforcing 130 I b of the outer lateral flange of stringer can be higher than in preceding reinforcement stringer The position of 130 I a of lateral flange.

Similarly, to reinforce stringer 130 II afterwards can be formed as downwardly open groove-like structure, and including being oppositely arranged Reinforce side rail inner wall 130 II 2 and rear reinforcement stringer lateral wall 130 II 3 afterwards, and reinforces side rail inner wall 130 II 2 after connection With the rear rear reinforcement stringer roof 130 II 1 for reinforcing stringer lateral wall 130 II 3, the rear lower edge for reinforcing side rail inner wall 130 II 2 Reinforce 130 II a of side rail inner flange after being formed with, the rear lower edge for reinforcing stringer lateral wall 130 II 3 reinforces stringer after being formed with Outer 130 II b of lateral flange.

Wherein, reinforce 130 II a of side rail inner flange afterwards and the upper surface of floor panel 300 overlaps, reinforce stringer after described Outer 130 II b of lateral flange and inner panel roof 501 overlap, and the rear position for reinforcing 130 II b of the outer lateral flange of stringer is reinforced after being higher than The position of 130 II a of side rail inner flange.

It is similar with the first embodiment, in the present embodiment, as illustrated in figure 5f, the outside of first segment flange 300B1 Edge 300B11 reinforces 130 I b1 of outer edge of 130 I b of the outer lateral flange of stringer and reinforces the outer lateral flange of stringer after protruding from before protruding from 130 II b1 of outer edge of 130 II b, 130 I b of the outer lateral flange of preceding reinforcement stringer, first segment flange 300B1 and threshold internal plate 500 The stacking of inner panel roof 501 3 is welded together, rear to reinforce 130 II b of the outer lateral flange of stringer, first segment flange 300B1 and threshold internal plate 500 stacking of inner panel roof 501 3 is welded together.

Fig. 6 A is the top view according to the body structure of the 6th kind of embodiment of the disclosure.Fig. 6 B is according to the disclosure The explosive view of the body structure of 6th kind of embodiment.Fig. 6 C is the body structure according to the 6th kind of embodiment of the disclosure In, reinforce the perspective view of stringer.

The 6th kind of embodiment and second of embodiment of the disclosure are the difference is that reinforce the form of stringer.Such as figure Shown in 6A to Fig. 6 C, in the 6th kind of embodiment, each reinforcement stringer 130 includes spaced two sections along the longitudinal direction, That is, preceding reinforcement stringer 130 I and rear reinforcement stringer 130 II, web beam 240 reinforce stringer 130 I before being connected to two, reinforce horizontal Beam 250 reinforces stringer 130 II after being connected to two.

The 6th kind of embodiment and the 5th kind of embodiment of the disclosure are the difference is that web beam and reinforcement are vertical The connection type of beam.As shown in Fig. 6 A to Fig. 6 C, in the 6th kind of embodiment, reinforce the front end connection of stringer 130 I before two The rear end for reinforcing stringer 130 II after web beam 240, two is connected to web beam 250.

In the present embodiment, as shown in Fig. 6 C and Fig. 6 E, before the preceding front end for reinforcing stringer 130 I has preceding reinforcement stringer Reinforce 130 II c of stringer rear end flange, preceding reinforcement stringer front end after holding 130 I c of flange, the rear rear end for reinforcing stringer 130 II to have 130 I c of flange is connected to preceding web beam 240, and rear 130 II c of stringer rear end flange that reinforces is connected to rear web beam 250.

Fig. 7 A is the top view according to the body structure of the 7th kind of embodiment of the disclosure.7th kind of implementation of the disclosure In mode with the 5th kind of embodiment the difference is that, in the 7th kind of embodiment, passing through web beam 240 will Reinforce stringer 130 I before two to connect and connect stringer 130 II is reinforced after two.That is, web beam 240 were not only connected with reinforcement stringer 130 I before two, but also were connected with stringer 130 II is reinforced after two.

Fig. 8 A is the top view according to the body structure of the 8th kind of embodiment of the disclosure.Fig. 8 B is according to the disclosure The bottom view of the body structure of 8th kind of embodiment.Fig. 8 C is the body structure according to the 8th kind of embodiment of the disclosure Explosive view.As shown in Fig. 8 A to Fig. 8 C, the body structure according to the 8th of the disclosure the kind of embodiment include floor panel 300, Floor stiffening plate 80 and two threshold internal plates 500, two threshold internal plates 500 are separately positioned on the left and right of the floor panel 300 Two sides, floor stiffening plate 80 cover on the floor panel 300, and the left and right sides of the floor stiffening plate 80 is connected to institute State two threshold internal plates 500.Floor stiffening plate 80 forms threshold bracing structure, to support the threshold internal plate of the left and right sides 500。

In 8th kind of embodiment of the disclosure with the first seven kind embodiment the difference is that, in the 8th kind of embodiment party In formula, two threshold internal plates 500 are connected by floorboard stiffening plate 80.When side collision occurs for vehicle, pass through The threshold bracing structure formed by floor stiffening plate 80 can directly transmit impact force from the threshold internal plate 500 of side To the threshold internal plate 500 of the other side, so that floor panel 30 is not involved in substantially or power transmission and energy-absorbing are collided in less participation, so as to It is enough substantially reduced the transversely deforming of threshold internal plate 500 and floor panel 300, prevent occupant injured and is laid in floor panel 30 The battery pack of lower section is impaired.

Floor stiffening plate 80 can be set in any appropriate lengthwise position.In the present embodiment, floor stiffening plate 80 It can be generally corresponded in the transverse direction with B column 800.Since B column 800 is connected in threshold internal plate 500, floor is added The position generally corresponded to B column 800 is arranged in strong plate 80, can targetedly being connected with B column 800 to threshold internal plate 500 Part reinforced, thus more effectively reduce B column 800 to the intrusion in indoor direction deform.

In the present embodiment, the leading edge of floor stiffening plate 80 can be located at the front of the leading edge 50A of B column 800, ground The back edge of plate stiffening plate 80 can be located between the leading edge 801 and back edge 802 of B column 800.The width of floor stiffening plate 80 (size in the vehicle longitudinal direction) for example can be 300~500mm.

In the disclosure, in order to improve the installation strength of front chair, guarantee the safety of the occupant sat on front chair, Front chair installation point can be set in floor stiffening plate 80, that is to say, that front chair may be mounted in floor stiffening plate 80.

Floor stiffening plate 80 can have various structures appropriate, and the disclosure is without limitation.In some embodiments In, as shown in Fig. 8 C and Fig. 8 E, floor stiffening plate 80 includes main part 81 and the interconnecting piece for being formed in 81 left and right sides of main part 82, main part 81 is formed generally as rectangular plate-like structure and is adapted with the cross-sectional shape of floor panel 300,82 shape of interconnecting piece As the bar shaped plate structure extended along the longitudinal direction, main part 81 is located at the top of floor panel 300, and interconnecting piece 82 is connected to The upper surface of the threshold internal plate 500, main part 81 are connected to floor panel 300, and the thickness of main part 81 is greater than interconnecting piece 82 Thickness.Specifically, main part 81 can be riveted or be bolted in floor panel 300, and interconnecting piece 82 can rivet or bolt It is connected to threshold internal plate 500.

As shown in Figure 8 C, for the ease of connecting with threshold internal plate 500, the left and right sides of floor panel 300 can have ground Plate face plate flange 300B.In general, indoor water inlet in order to prevent, needs between floor panel flange 300B and threshold internal plate 500 Apply sealant.In the present embodiment, since interconnecting piece 82 is covered in threshold internal plate 500, for the ease of applying sealant, such as scheme Shown in 8G, floor panel flange 300B may include and reinforce the corresponding first segment flange 300B1 in 130 position of stringer, be located at the The second segment flange 300B2 in the front of one section of flange 300B1 and third section flange positioned at the rear of first segment flange 300B1 300B3.As depicted in figs. 8 e and 8f, the cross section of first segment flange 300B1 is L-shaped, the outer edge of first segment flange 300B1 300B11 protrudes from the outer edge 82A of interconnecting piece 82, and interconnecting piece 82, first segment flange 300B1 and threshold internal plate 500 are connected to one It rises, first segment flange 300B1 is between interconnecting piece 82 and threshold internal plate 500.In such a case, it is possible to which sealant is coated in Between the outer edge 300B11 of first segment flange 300B1 and the upper surface 11B of threshold internal plate 500.Second segment flange 300B2 and The cross section of three sections of flange 300B3 can be in linear type, and second segment flange 300B2 and third section flange 300B3 can connect In the inner panel side wall 503 of threshold internal plate 500.

According to another aspect of the present disclosure, a kind of vehicle is provided, which has body structure as above.

The body structure assembly of the disclosure is applicable not only to electric vehicle, is also applied for regular fuel vehicle.The disclosure Body structure can also play the role of reinforcing vehicle body, increase occupant's living space other than it can be used for protecting battery pack.

Embodiment of the present disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned embodiment party Detail in formula can carry out a variety of simple changes to the technical solution of the disclosure in the range of the technology design of the disclosure Type, these simple variants belong to the protection scope of the disclosure.For example, although the quantity for only listing web beam above is one A and two situations, but it should be readily apparent to one skilled in the art that the quantity of web beam may be multiple.

It is further to note that each particular technique feature described in the respective embodiments described above, in not contradiction In the case where, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the disclosure is to various possibility Combination no further explanation will be given.

In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally Disclosed thought equally should be considered as disclosure disclosure of that.

Claims

1. a kind of body structure, which is characterized in that including threshold internal plate (500), reinforce stringer (130), floor panel (300) and Longitudinal floor beam (110), the top reinforced stringer (130) and be located at the floor panel (300), the reinforcement stringer (130) Side be connected to threshold internal plate (500), the other side is connected to the upper surface of the floor panel (300)；The longitudinal floor beam (110) it is located at the lower section of the floor panel (300), the side of the longitudinal floor beam (110) is connected to the threshold internal plate (500), the other side is connected to the lower surface of the floor panel (300).

2. body structure according to claim 1, which is characterized in that the threshold internal plate (500) is formed as open out Groove-like structure, and inner panel roof (501) and inner panel bottom wall (502) including being oppositely arranged, and the connection inner panel top The inner panel side wall (503) of wall (501) and inner panel bottom wall (502),

The left and right sides of the floor panel (300) has floor panel flange (300B), the floor panel flange (300B) Including first segment flange (300B1) corresponding with reinforcement stringer (130) position, the cross of the first segment flange (300B1) Section is L-shaped, and the first segment flange (300B1) and the inner panel roof (501) overlap.

3. body structure according to claim 2, which is characterized in that the reinforcement stringer (130), which has, to be reinforced in stringer Lateral flange (130a) and the outer lateral flange (130b) of reinforcement stringer, the reinforcement side rail inner flange (130a) and the floor panel (300) upper surface overlap joint, the outer lateral flange (130b) of the reinforcement stringer and the first segment flange (300B1) overlap, and The outer lateral flange (130b) of the reinforcement stringer, the first segment flange (300B1) and the inner panel roof (501) are connected to one It rises.

4. body structure according to claim 3, which is characterized in that the reinforcement stringer (130) is formed as downwardly open Groove-like structure, and the reinforcement side rail inner wall (132) including being oppositely arranged and reinforce stringer lateral wall (133), Yi Jilian It connects reinforcement side rail inner wall (132) and reinforces the reinforcement stringer roof (131) of stringer lateral wall (133), it is described to reinforce indulging Lateral flange (130a) is formed in the lower edge for reinforcing side rail inner wall (132), the outer lateral flange of the reinforcement stringer in beam (130b) is formed in the lower edge for reinforcing stringer lateral wall (133).

5. body structure according to claim 4, which is characterized in that the reinforcement stringer (130) is formed as rear and front end Closed groove-like structure, and the reinforcement stringer front bulkhead (134) including being oppositely arranged and reinforcement stringer aft bulkhead (135), institute Reinforcement stringer front bulkhead (134) is stated to be formed in the leading edge for reinforcing stringer roof (131) and connect the reinforcement stringer Inner sidewall (132) and reinforcement stringer lateral wall (133), the reinforcement stringer aft bulkhead (135) are formed in the reinforcement stringer top The back edge of wall (131) and connect the reinforcement side rail inner wall (132) and reinforce stringer lateral wall (133).

6. body structure according to claim 5, which is characterized in that the reinforcement stringer (130) includes that lateral fission is set The outer halfbody (130A) and interior halfbody (130B) set, the outer halfbody (130A) and interior halfbody (130B) are overlapped.

7. body structure according to claim 3, which is characterized in that the outer edge of the first segment flange (300B1) (300B11) protrudes from the outer edge (130b1) of the outer lateral flange (130b) of reinforcement stringer.

8. body structure according to claim 1, which is characterized in that the threshold internal plate (500) is formed as open out Groove-like structure, and inner panel roof (501) and inner panel bottom wall (502) including being oppositely arranged, and the connection inner panel top The inner panel side wall (503) of wall (501) and inner panel bottom wall (502),

The longitudinal floor beam (110) is formed as the groove-like structure of upward opening, and on the inside of the longitudinal floor beam including being oppositely arranged Wall (112) and longitudinal floor beam lateral wall (133), and the connection longitudinal floor beam inner sidewall (112) and longitudinal floor beam lateral wall (113) longitudinal floor beam bottom wall (111), the top edge of the longitudinal floor beam inner sidewall (112) are formed with rollover in longitudinal floor beam Side (110a), the top edge of the longitudinal floor beam lateral wall (133) are formed with the outer lateral flange (110b) of longitudinal floor beam,

Wherein, the lower surface of lateral flange (110a) and the floor panel (300) overlaps in the longitudinal floor beam, and the floor is vertical The outer lateral flange (110b) of beam and the inner panel bottom wall (502) overlap.

9. body structure according to claim 1, which is characterized in that the body structure further include web beam (240, 250), the web beam (240,250) is connected to the reinforcement stringer (130).

10. body structure according to claim 9, which is characterized in that the end of the web beam (240,250) connects In the threshold internal plate (500).

11. body structure according to claim 9, which is characterized in that the end of the web beam (240,250) and institute Stating has gap (a) between threshold internal plate (500).

12. body structure according to claim 9, which is characterized in that be formed with gap on the reinforcement stringer (130) (130e), the end of the web beam (240,250) pass through the gap (130e) to extend into the reinforcement stringer (130) Inside, the edge of the gap (130e) is formed with gap flange (130f), the gap flange (130f) and the reinforcement Crossbeam (240,250) overlap joint.

13. body structure according to claim 9, which is characterized in that the longitudinal floor beam (110) is formed as upward opening Groove-like structure, and longitudinal floor beam inner sidewall (112) and longitudinal floor beam lateral wall (133) including being oppositely arranged, Yi Jilian The longitudinal floor beam bottom wall (111) of the longitudinal floor beam inner sidewall (112) and longitudinal floor beam lateral wall (113) is connect, the reinforcement is horizontal The end of beam (240,250) horizontally extends beyond the longitudinal floor beam inner sidewall (112).

14. body structure according to claim 9, which is characterized in that the web beam (240,250) is front chair peace Fill crossbeam.

15. body structure according to claim 1, which is characterized in that the longitudinal floor beam (110) is that battery pack installation is vertical Beam.

16. a kind of vehicle, which is characterized in that including body structure described according to claim 1 any one of -15.