CN108657276A - Vehicle body and vehicle - Google Patents

Vehicle body and vehicle Download PDF

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Publication number
CN108657276A
CN108657276A CN201710209731.0A CN201710209731A CN108657276A CN 108657276 A CN108657276 A CN 108657276A CN 201710209731 A CN201710209731 A CN 201710209731A CN 108657276 A CN108657276 A CN 108657276A
Authority
CN
China
Prior art keywords
floor
longitudinal
vehicle body
sill strip
channel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710209731.0A
Other languages
Chinese (zh)
Inventor
施雄飞
朱春明
刘磊
刘世根
张超宾
王超功
王彬彬
魏书浩
马晓程
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Great Wall Motor Co Ltd
Original Assignee
Great Wall Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Great Wall Motor Co Ltd filed Critical Great Wall Motor Co Ltd
Priority to CN201710209731.0A priority Critical patent/CN108657276A/en
Publication of CN108657276A publication Critical patent/CN108657276A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D21/00Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/02Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D21/00Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/15Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body

Abstract

The present invention provides a kind of vehicle body and vehicle, vehicle body includes:Front longitudinal beam;Preceding longitudinal floor beam, the front end of preceding longitudinal floor beam are connected with the rear end of front longitudinal beam and are configured to linear;Sill strip, the front end of sill strip is connected with the rear end of front longitudinal beam and sill strip and the non-parallel setting of preceding longitudinal floor beam;Longitudinal floor beam afterwards, rear longitudinal floor beam is connected respectively with the rear end of the rear end of preceding longitudinal floor beam and sill strip so that preceding longitudinal floor beam, sill strip and rear longitudinal floor beam form power transmission closed loop configuration.By the preceding longitudinal floor beam that sill strip and linear is arranged, it can efficiently and rapidly absorb, decompose stress, it can effectively disperse to transmit impact force rearward, so as to which front panel intrusion volume is greatly reduced, can be impaired serious to avoid vehicle body, it can better ensure that the sufficient living space of passenger compartment.

Description

Vehicle body and vehicle
Technical field
The present invention relates to technical field of vehicle, more particularly to a kind of vehicle body and the vehicle with the vehicle body.
Background technology
With being constantly progressive for society, Crash Safety Design of Vehicles attention degree is gradually increased in people, more and more automobiles To front wall assembly structural strengthening, to stringer designs energy-absorbing, collapsing structure, vehicle safety performance is improved with this, although can be certain Reduce front wall intrusion volume after collision in degree, limitedly promote living space, but still can not efficient-decomposition transmit stress, not from Fundamentally solve the problems, such as that power transmission channel is single, power transmission efficiency is low.
Invention content
In view of this, the present invention is directed to propose a kind of vehicle body, to solve the problems, such as that power transmission channel is single, power transmission efficiency is low.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way:
A kind of vehicle body, including:Front longitudinal beam;Preceding longitudinal floor beam, the front end of the preceding longitudinal floor beam with after the front longitudinal beam End is connected and is configured to linear;Sill strip, the front end of the sill strip is connected with the rear end of the front longitudinal beam and the door Sill beam and the preceding non-parallel setting of longitudinal floor beam;Longitudinal floor beam afterwards, it is described after longitudinal floor beam respectively with the preceding longitudinal floor beam Rear end be connected with the rear end of the sill strip so that the preceding longitudinal floor beam, the sill strip and it is described after longitudinal floor beam formed Power transmission closed loop configuration.
Further, the rear longitudinal floor beam includes:Leading portion, stage casing and back segment, the leading portion are connected to the preceding floor On the rear end of longeron, the stage casing is connected with the rear end of the sill strip, and the back segment extends back from the stage casing.
Further, the width in the stage casing is more than the width of the leading portion and the outer wall in the stage casing reclines and is fixed on institute It states on the inner wall of sill strip.
Further, the vehicle body further includes:Channel and rear floor crossmember in floor, channel is connected to institute in the floor State front longitudinal beam rear end and it is described after between floor crossmember, it is described after floor crossmember also with it is described after longitudinal floor beam be connected with institute It states channel in floor, the preceding longitudinal floor beam and rear longitudinal floor beam and forms power transmission closed loop configuration.
Further, the middle channel power transmission access extended along the longitudinal direction is formed in the floor on channel.
Further, the middle channel power transmission access is groove.
Further, the vehicle body further includes:Middle channel connecting plate, the middle channel connecting plate are connected to the preceding floor In longeron and the floor between channel, the middle channel connecting plate, the rear portion of the front longitudinal beam and the preceding longitudinal floor beam shape At Y-shaped force transferring structure.
Further, the rear portion of the front longitudinal beam has the part for being bent upwards extension.
Further, the rear portion of the front longitudinal beam has the part for being bent outwardly extension.
Further, in vehicle frontal collision, the impact force of the front longitudinal beam is transferred to respectively by the preceding longitudinal floor beam The rear longitudinal floor beam is passed to the sill strip.
Further, in vehicle frontal collision, the impact force of the front longitudinal beam is transferred to respectively by the preceding longitudinal floor beam The rear longitudinal floor beam is passed to the sill strip, and is passed to by channel in the floor and the rear floor crossmember Longitudinal floor beam after described.
Compared with the existing technology, vehicle body of the present invention has the advantage that:
Vehicle body according to the present invention can efficiently and rapidly be inhaled by the way that the preceding longitudinal floor beam of sill strip and linear is arranged It receives, decompose stress, can effectively disperse to transmit impact force rearward, so as to which front panel intrusion volume is greatly reduced, Can be impaired serious to avoid vehicle body, it can better ensure that the sufficient living space of passenger compartment.
Another object of the present invention is to propose a kind of vehicle.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way:
A kind of vehicle, including above-mentioned vehicle body.
Possessed advantage is identical compared with the existing technology with above-mentioned vehicle body for the vehicle, and details are not described herein.
Description of the drawings
The attached drawing for constituting the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1-Fig. 3 is respectively the partial structural diagram of the vehicle body different angle described in the embodiment of the present invention;
Fig. 4 is the rearview of the front panel of the vehicle body weight described in the embodiment of the present invention;
Fig. 5 is front wall upper beam, under front wall in vertical beam and front panel channel connection diagram;
Fig. 6 is the cooperation vertical view of front longitudinal beam and roof side rail;
Fig. 7 is the sectional view in the directions A-A along Fig. 6;
Fig. 8 is the cooperation stereogram of front longitudinal beam and roof side rail;
Fig. 9 is the cooperation side view of front longitudinal beam and roof side rail;
Figure 10 is the local overlooking schematic diagram of the vehicle body described in the embodiment of the present invention;
Figure 11 is the sectional view in the directions B-B along Figure 10;
Figure 12 is the cooperation schematic diagram of front longitudinal beam, sill strip, preceding longitudinal floor beam;
Figure 13 is the vertical view of the vehicle body described in the embodiment of the present invention;
Figure 14 is the enlarged drawing of region C in Figure 13;
Figure 15 is the local overlooking schematic diagram of the vehicle body described in the embodiment of the present invention;
Figure 16 is the sectional view in the directions D-D along Figure 15;
Figure 17 is the stereogram of the front deck of the vehicle body described in the embodiment of the present invention;
Figure 18 is the partial structural diagram that front panel and gusset plate coordinate;
Figure 19 is the sectional view in the directions F-F along Figure 18;
Figure 20 is the cooperation schematic diagram of roof side rail, A columns and squab panel;
Figure 21 is the sectional view in the directions G-G along Figure 20;
Figure 22 is the vertical view on the floor in the vehicle body described in the embodiment of the present invention;
Figure 23 is the stereogram of the vehicle body described in the embodiment of the present invention;
Figure 24 transmits signal for the impact force in channel in vertical beam under front wall upper beam, front wall in vehicle side impact and front panel Figure.
Reference sign:
Vehicle body 10000;
A columns 100;
Front anti-collision beam 200;Energy-absorption box 201;
Front longitudinal beam 300;
Front panel 400;Channel 401 in front panel;Front wall upper beam 402;Vertical beam 403 under front wall;Front wall middle cross beam 404; Front wall lower plate 405;Front wall upper plate 406;
Preceding longitudinal floor beam 500;
Roof side rail 600;First support 601;First support plate 6011;Second support plate 6012;
Second support 602;First connector 6021;Second connector 6022;Third holder 603;Segmental arc 604;It is straight Section 605;
Front end closing structure 700;
Sill strip 800;Preceding torsion box 801;
Longitudinal floor beam 900 afterwards;Leading portion 901;Stage casing 902;Back segment 903;
Channel 1000 in floor;Middle channel power transmission access 1001;Middle channel connecting plate 1002;
Floor crossmember 1100 afterwards;
Wheel cover 1200;
Wheel cover reinforcing beam 1300;First part 1301;Second part 1302;
Gusset plate 1400;Connector 1500;
Seat front beam 1601;Seat rear cross beam 1602;Connecting plate 1603 before seat;Outside link plate 1605;Interior connecting plate 1606;Reinforcing rib 1607;Overlap edge 1608;
Floor upper longitudinal beam 1700.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase Mutually combination.
The vehicle body 10000 for embodiment of coming that the present invention will be described in detail below with reference to Fig. 1-Figure 23 and in conjunction with the embodiments.
Vehicle body 10000 according to the ... of the embodiment of the present invention may include:200, two two A columns 100, front anti-collision beam front longitudinal beams 300, vertical beam 403 and two preceding longitudinal floor beams 500 under front panel 400, front wall upper beam 402, front wall, certainly, vehicle body 10000 Can also include other component, for example, roof side rail 600, sill strip 800 and rear longitudinal floor beam 900 etc..
As shown in Figure 1, the front end of two front longitudinal beams 300 is connected at the both ends of front anti-collision beam 200, and specifically, two It is additionally provided with energy-absorption box 201 between the front end and the both ends of front anti-collision beam 200 of front longitudinal beam 300, which can be Energy is absorbed when vehicle frontal collision, so as to reduce the impact force transmitted backward, can promote the safety concerns of passenger.
Every front longitudinal beam 300 is connected by a plurality of power transmission channel with the A columns 100 of homonymy, and homonymy is positioned at left side herein Front longitudinal beam 300 is connected with the A columns 100 positioned at left side, and the front longitudinal beam 300 for being located at right side is connected with the A columns 100 positioned at right side.It passes Power channel is the channel for transmitting impact force, which can be physical components.Wherein it is possible to understand, pass through setting A plurality of power transmission channel, power transmission channel increase, can efficiently and rapidly absorb in this way, decompose stress, can effectively disperse transmission to The impact force at rear can be impaired serious to avoid vehicle body 10000 so as to which 400 intrusion volume of front panel is greatly reduced, It can better ensure that the sufficient living space of passenger compartment.The specific arrangement form in power transmission channel is described in detail in content again below.
The rear end of two front longitudinal beams 300 is connected in front panel 400, and in this way in vehicle frontal collision, impact force can pass through Front anti-collision beam 200 and front longitudinal beam 300 are transmitted in front panel 400.Front panel 400 is connected with two A columns 100.Such as Fig. 4 and Fig. 5 Shown, front wall upper beam 402 is arranged on the top of front panel 400, and wherein front panel 400 includes under front wall upper plate 406 and front wall Plate 405, front wall upper plate 406 are arranged in the top of front wall lower plate 405, and front wall upper plate 406 constitutes the top of front panel 400, front wall Lower plate 405 constitutes the lower part of front panel 400.Front wall upper beam 402 can be located at the upper end of front wall upper plate 406.It needs to illustrate It is that front wall upper beam 402 is arranged in the rear surface of front wall upper plate 406.
As shown in Fig. 5 and Figure 24, the lower part of front panel 400 is provided with channel 401 in front panel, vertical beam 403 under front wall Upper end is connected to front wall upper beam 402, and the lower end of vertical beam 403 extends to channel 401 in front panel under front wall.Optionally, Channel 401 can be weldingly connected in the lower end of vertical beam 403 and front panel under front wall, and connection is reliable between the two in this way, power transmission effect Rate is high.It is transmitted to the impact force at front wall upper beam 402 as a result, and can be transmitted to by vertical beam under front wall 403 in front panel and leads to At road 401, channel 401 can be connected with channel 1000 in the floor on floor wherein in front panel, and such impact force can pass It is delivered on floor, so as to better disperse impact force, can effectively mitigate the burden of front panel 400, and then can be effective Protect passenger.
In vehicle frontal collision, the impact force of front anti-collision beam 200 passes to two front longitudinal beams 300 at rear, every front longitudinal beam Impact force is passed to front panel 400 by 300 again, and the A columns 100 of homonymy are passed to by a plurality of power transmission channel of homonymy, also The preceding longitudinal floor beam 500 for passing to homonymy, the impact force for passing to A columns 100 pass through vertical beam under front wall upper beam 402 and front wall 403 pass to channel 401 in front panel.
Specifically, as shown in figure 5, in vehicle frontal collision, the both ends that impact force places crossbeam 402 in the past are passed to midpoint It passs, then encloses the transmission of lower vertical beam 403 further along, impact force can also be passed to channel in front panel by vertical beam 403 under front wall 401。
Certainly, in vehicle side impact, be located at the A columns 100 of collision side by impact force by front wall upper beam 402 to the other side It transmits, and into vertical beam under front wall 403 and front panel, channel 401 is transmitted by front wall upper beam 402.
The front end of every preceding longitudinal floor beam 500 is connected with the rear end of the front longitudinal beam 300 of homonymy, 300 energy of such front longitudinal beam It is enough that impact force is transmitted on preceding longitudinal floor beam 500, so as to effectively disperse impact force on the front-rear direction of vehicle, and Every preceding longitudinal floor beam 500 is configured to linear, and 500 power transmission efficiency of preceding longitudinal floor beam of linear is high, and before linear 500 simple production process of longitudinal floor beam, so as to reduce the production cost of preceding longitudinal floor beam 500.
As shown in Figure 12 and Figure 13, sill strip 800 can be two, the front end of every sill strip 800 and homonymy it is preceding vertical The rear end of beam 300 is connected.Sill strip 800 extends along the longitudinal direction, and impact force can also be transmitted to threshold by such front longitudinal beam 300 On beam 800, so as to effectively transmit and decompose impact force, the collision performance of vehicle can be promoted.
Longitudinal floor beam 900 is two afterwards, rear end and door of the longitudinal floor beam 900 with the preceding longitudinal floor beam 500 of homonymy after every The rear end of sill beam 800 is connected so that preceding longitudinal floor beam 500, sill strip 800 and rear longitudinal floor beam 900 form power transmission closed loop configuration. Being transmitted to the impact force of front longitudinal beam 300 as a result, can be transmitted by preceding longitudinal floor beam 500 and the dispersion of sill strip 800, then precedingly Impact force is transmitted on rear longitudinal floor beam 900 by plate longeron 500 and sill strip 800 again, and rear longitudinal floor beam 900 can be by impact force It is transferred on subframe, can effectively promote 10000 lower part power transmission effect of vehicle body in this way, can effectively be promoted under vehicle body 10000 The mode in portion, so as to promote the safety by bus of passenger.It should be noted that the setting of power transmission closed loop configuration on the one hand can be with Power transmission effect is promoted, the structural reliability of vehicle body 10000 on the other hand can be improved.
As shown in Figure 1-Figure 3, vehicle body 10000 can also include:The rear end of two roof side rails 600, every roof side rail 600 connects It is connected on the A columns 100 of homonymy, and multiple interconnecting pieces is provided between every roof side rail 600 and the front longitudinal beam 300 of homonymy, with Front longitudinal beam 300 is set to be connected with A columns 100 by a plurality of power transmission channel.Therefrom, it may be appreciated that front longitudinal beam 300 can be by upper Side bar 600 is connected with A columns 100, wherein there are many connection types between front longitudinal beam 300 and roof side rail 600, each connection side Formula is embodied by different interconnecting pieces, so that it is logical to be provided with a plurality of power transmission between front longitudinal beam 300 and A columns 100 Road, in other words, an interconnecting piece and roof side rail 600 may be constructed a power transmission channel.In addition, front longitudinal beam 300 can also pass through Front panel 400 is connected with A columns 100, similarly constitutes a power transmission channel in this way.
Thus, it is possible to make full use of roof side rail 600, roof side rail 600 can share the stress of front longitudinal beam 300, and pass through Multiple interconnecting pieces are set, the front deck of vehicle body 10000 can be made efficiently and rapidly to absorb, decompose stress, can be greatly lowered 400 intrusion volume of front panel can better ensure that the sufficient living space of crew module.
The specific arrangement form of multiple interconnecting pieces is described in detail below.
Vehicle body 10000 includes front longitudinal beam component, and front longitudinal beam component includes front longitudinal beam 300, first support 301 and roof side rail 600。
An alternative embodiment according to the present invention, as shown in Fig. 4-Fig. 9, multiple interconnecting pieces may include:First support 601, first support 601 extends in the lateral direction, and the inner end of first support 601 is connected to the outside of front longitudinal beam 300, And the inner end of first support 601 is connected to first support 601 close to the front end of front longitudinal beam 300, the preceding lower end of roof side rail 600 Outer end.In other words, first support 601 is connected between front longitudinal beam 300 and the preceding lower end of roof side rail 600, in this way in vehicle frontal collision When, front longitudinal beam 300 can be by first support 601 and roof side rail 600 to 100 power transmission of A columns, then can be for delivery to floor and side On coaming plate 1400, so as to effectively disperse impact force, and in the process, roof side rail 600 can absorb and decompose stress. And when vehicle biasing is touched, first support 601 and bar contact, front side rails 300 apply on the outside of vehicle width direction Power can guide front longitudinal beam 300 to deformation on the outside of vehicle width direction, increase enging cabin compression stroke, can mitigate front wall in this way Plate 400 is born, moreover, the first support 601 being arranged such can be conducive to transmit and decompose stress.
Roof side rail 600 can effectively absorb energy, and impact force can be passed to A columns 100 by roof side rail 600, and Front longitudinal beam 300 is passed to by first support 601, so as to effectively disperse stress, the collision performance of vehicle can be promoted.
Wherein, first support 601 can be welded and fixed with front longitudinal beam 300 and roof side rail 600 respectively, such fixed form letter It is single and reliable, and be welded and fixed efficient.Roof side rail 600 tilts upwards on direction from front to back to be extended, and is so set The roof side rail 600 set can match with the shape of vehicle body 10000, being capable of preferably power transmission.
Optionally, the cross section of first support 601 can be closing structure.601 structure of first support of such setting can It is more preferable by property.In this way when vehicle occurs to bias and touch, first support 601 can effectively transmit stress, so as to improve biasing Touch effect.Specifically, as shown in fig. 7, first support 601 includes:First support plate 6011 and second support plate 6012, first Frame plate 6011 takes the shape of the letter U, and second support plate 6012 is fixed on the opening of first support plate 6011, and second support plate 6012 Sealed opening.First support 601 is simple in structure in this way, and manufacturing cost is low, in addition, can make the formation of first support 601 in this way Closing structure.
Optionally, as shown in figure 8, first support plate 6011 and second support plate 6012 are respectively arranged with and front longitudinal beam 300 Fixed side flanging.Side flanging can be welded and fixed with the lateral wall of front longitudinal beam 300, such first support 601 and front longitudinal beam 300 It is fixed reliable, and the transmission of impact force when biasing is touched can be conducive in this way.
As shown in figure 8, first support plate 6011 and second support plate 6012 are respectively arranged with and 600 fixed side of roof side rail Flange.That is, first support 601 is fixed again by side flanging and roof side rail 600, such first support 601 and top Beam 600 is fixed reliably, and can be conducive to the transmission of impact force when biasing is touched in this way.
Further, as shown in Figure 13 and Figure 21, multiple interconnecting pieces can also include:Second support 602, second support 602 are connected between the roof side rail 600 of homonymy and front longitudinal beam 300, and the junction of second support 602 and roof side rail 600 is located at the The back upper place of one holder 601 and the junction of roof side rail 600.That is, on the basis of first support 601, front longitudinal beam Second support 602 is also associated between 300 and roof side rail 600, second support 602 can equally transmit impact force, in this way in vehicle When central collision, impact force can be passed to A columns 100 by front longitudinal beam 300 by second support 602 and roof side rail 600, to A columns 100 can pass to the gusset plate 1400 at rear and floor.
Specifically, as shown in figure 21, second support 602 may include:First connector 6021 and the second connector 6022, First connector 6021 extends in the lateral direction, and the first connector 6021 is connected to roof side rail 600 and the second connector Between 6022, the second connector 6022 extends in the up-down direction, and the lower end of the second connector 6022 is connected to front longitudinal beam On 300.The second support 602 of such setting is simple in structure, and can rationally connect front longitudinal beam 300 and roof side rail 600, can be with Promote power transmission efficiency.
Wherein, as shown in figure 21, the first connector 6021 can be arc-shaped, and the second connector 6022 is with groove and preceding Hold open platy structure.Such first connector 6021 can effectively connect the second connector 6022 and roof side rail 600, and The front deck space of vehicle body 10000 can be rationally adapted to, in addition, the second connector 6022 being arranged such can be in order to vehicle body The installation of 10000 other components so as to improve the structural integrity of vehicle body 10000, and then can promote vehicle body 10000 Structural reliability.
As shown in Figure 10 and Figure 17, vehicle body 10000 can also include:Front end closing structure 700, front end closing structure 700 It is connected on front longitudinal beam 300 by the second connector 6022.It, in this way can be in order to preceding since 6022 front end of the second connector is opened wide The installation of closing structure 700 is held, and can ensure the mounting area of front end closing structure 700 and the second connector 6022, from And the installation reliability of front end closing structure 700 can be further improved.Wherein, front end closing structure 700 can be in integrally Rectangle, front end closing structure 700 can make the front deck uniform force of vehicle body 10000, can improve power transmission efficiency.
Wherein, first support 601, second support 602, roof side rail 600 be located at first support 601 and second support 602 it Between part between first support 601 and second support 602 of part and front longitudinal beam 300 form quadrilateral space.It is empty Between quadrangle it is more reliable and more stable, the front hatch sections structure of such vehicle body 10000 is relatively reliable, and stability is more preferable, power transmission effect More preferably.
Further, as depicted in figs. 1 and 2, multiple interconnecting pieces can also include:Third holder 603, third holder 603, third holder 603 is connected between roof side rail 600 and front longitudinal beam 300, the junction of third holder 603 and roof side rail 600 Positioned at the rear of second support 602 and the junction of roof side rail 600.That is, in first support 601 and second support 602 On the basis of, third holder 603, third holder 603 and roof side rail 600 are also associated between front longitudinal beam 300 and roof side rail 600 Constitute a power transmission channel.By the way that third holder 603 is arranged, the biography between front longitudinal beam 300 and A columns 100 can be preferably enriched Power channel can make the front deck uniform force of vehicle body 10000, and power transmission effect is good, and power transmission efficiency is high.
Optionally, as depicted in figs. 1 and 2, the platy structure that third holder 603 can be integrally formed.Third branch as a result, Frame 603 is simple in structure and reliable, and manufacturing cost is low.
Specifically, as shown in Fig. 2, roof side rail 600 may include:Segmental arc 604 and flat segments 605, segmental arc 604 connect In the front of flat segments 605, first support 601 and second support 602 are connected on segmental arc 604, third holder 603 It is connected in flat segments 605, flat segments 605 are connected with the A columns 100 at rear.By the way that the leading portion 901 of roof side rail 600 is arranged to Arc can be conducive to its power transmission, and can more be matched with the front deck shape of vehicle body 10000.In addition, by by third branch The back segment 903 of frame 603 is arranged to flat, can be in order to which the power of segmental arc 604 to be transferred at A columns 100, so as to be promoted Power transmission effect.
Wherein, it should be noted that roof side rail 600 can be made of former and later two structures, and arc is formed on front portion structure Shape section 604 and a part of flat segments 605, rear structure overall construction be flat segments 605 another part, such front portion structure and Rear structure connection is reliable and smooth, so as to improve the structural reliability of roof side rail 600.
Optionally, the width on extending direction from front to back of roof side rail 600 is incremented by, the quality of such roof side rail 600 compared with Gently, it to meet the light-weight design requirement of vehicle, and is connected between the rear end of roof side rail 600 and A columns 100 more reliable.
Optionally, roof side rail 600 is linear in the projection of horizontal plane, roof side rail 600 on direction from back to front to It is tilted.In other words, roof side rail 600 is inclined outwardly on direction from front to back, and 600 structure of such roof side rail is reliable, and In collision deformation, roof side rail 600 can be deformed as the outside of vehicle body 10000, and roof side rail 600 can also be by multiple Interconnecting piece guides front longitudinal beam 300 to deform outward, and so as to reduce the intrusion volume to passenger compartment, safe life can be provided for passenger Deposit space.
Vehicle body 10000 further includes wheel cover 1200, describes in detail the arrangement form at wheel cover 1200 below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2 and shown in Figure 20, wheel cover 1200 is mounted on the rear upper of front longitudinal beam 300, and front panel 400 connects It is connected on the rear of wheel cover 1200, in other words, wheel cover 1200 extends back and is connected with front panel 400.It is arranged on wheel cover 1200 There are wheel cover reinforcing beam 1300, wheel cover reinforcing beam 1300 to be made of first part 1301 and second part 1302, first part 1301 Preceding lower end for the preceding lower end of wheel cover reinforcing beam 1300, and wheel cover reinforcing beam 1300 is connected on the rear portion of front longitudinal beam 300, example Such as, the preceding lower end of wheel cover reinforcing beam 1300 is weldingly fixed on the rear portion of front longitudinal beam 300, the second part of wheel cover reinforcing beam 1300 1302 are integrally attached on wheel cover 1200.Wheel cover reinforcing beam 1300 can effectively reinforce wheel cover 1200 as a result, and wheel cover adds Brutal 1300 can play intermal force, for example, the impact force on front longitudinal beam 300 can be transferred to wheel by wheel cover reinforcing beam 1300 On cover 1200, impact force can be further transmitted in front panel 400 by wheel cover 1200, and front panel 400 can also be further Ground is transmitted on gusset plate 1400 and floor, so as to effectively decompose stress, can promote the collision performance of vehicle.
As shown in Figure 18 and Figure 19, vehicle body 10000 can also include:Connector 1500, connector 1500 are connected to front wall Between plate 400 and gusset plate 1400, the lower part of connector 1500 across front panel 400 in left and right directions in upper and lower directions with wheel It is oppositely arranged before and after cover reinforcing beam 1300.The impact force being transferred to as a result, on wheel cover reinforcing beam 1300 can be by front panel 400 It is transferred in gusset plate 1400 with connector 1500, stress is further effectively decomposed in this way, so as to promote touching for vehicle Hit performance.In addition, by the way that connector 1500 is arranged, 10000 rigidity of vehicle body and intensity, and the energy in collision can be effectively increased Enough inhibit passenger compartment deformation, it is ensured that the living space of passenger.
Wherein, wheel cover reinforcing beam 1300 can be arranged in the outside of wheel cover 1200.Thus, it is possible to be convenient for wheel cover reinforcing beam 1300 and connector 1500 correspond to, so as to improve the structural reliability of vehicle body 10000.
Optionally, as shown in figure 21, the second part 1302 of wheel cover reinforcing beam 1300 extends to wheel cover 1200 and front panel Junction between 400.The wheel cover reinforcing beam 1300 of such setting can effectively reinforce wheel cover 1200, and in this way can also be Impact force is effectively transmitted when vehicle frontal collision, can promote power transmission effect.
Optionally, as shown in figure 20, wheel cover reinforcing beam 1300 is arc-shaped, and the wheel cover reinforcing beam 1300 of arc can be with wheel cover 1200 match, and the extension that can wriggle from front to back.In addition, the wheel cover reinforcing beam 1300 of arc is simple in structure and reliable.
Wherein, as shown in figure 18, triangle closed loop is formed between front panel 400, gusset plate 1400 and connector 1500 to connect Binding structure.It is connected reliably between front panel 400 and gusset plate 1400 as a result, and can be by 1500 power transmission of connector, so The triangle closed loop connection structure of setting can enrich Path of Force Transfer, can promote power transmission effect, and then can promote vehicle Collision performance.
Further, as shown in figure 18, the top of connector 1500 can also be fixed with front wall upper beam 402.It can manage Solution, in the up-down direction, connector 1500 are divided for upper and lower part, and top with front wall upper beam 402 for being connected, lower part For being connected with front panel 400, the connection that can be further improved in this way between gusset plate 1400 and front panel 400 is reliable Property, and Path of Force Transfer can be enriched, so as to promote the collision performance of vehicle.
Specifically, connector 1500 is welded and fixed with front wall upper beam 402 and front panel 400 respectively.It is welded and fixed a side Face can improve the fixation reliability of connector 1500, on the other hand can improve the production efficiency of vehicle body 10000.
As shown in 16 and Figure 17, vehicle body 10000 further includes front wall middle cross beam 404, and front wall middle cross beam 404 is arranged in front panel In 400 front surface.The both ends of front wall middle cross beam 404 be connected respectively with the rear end of two front longitudinal beams 300 with front anti-collision beam 200, two front longitudinal beams 300 form power transmission closed loop configuration.Power transmission closed loop configuration is closed loop in structure, and can be played Intermal force.For example, in vehicle frontal collision, impact force can be passed to two front longitudinal beams 300 at rear by front anti-collision beam 200, Since the rear end of two front longitudinal beams 300 is connected with front wall middle cross beam 404, such impact force can be transferred to front wall middle cross beam On 404, the front wall middle cross beam 404 of such setting can effectively enrich Path of Force Transfer, can effectively disperse stress, so as to press down The deformation of passenger compartment processed can provide living space for passenger.
It should be noted that the power transmission between front wall middle cross beam 404 and front longitudinal beam 300 is not rushed mutually with other Path of Force Transfer It is prominent, for example, impact force can be still transferred in the structures such as preceding longitudinal floor beam 500, sill strip 800 by front longitudinal beam 300, it is horizontal in front wall The setting of beam 404 can promote the structural strength of vehicle body 10000, and can enrich Path of Force Transfer.
Front wall upper plate reinforcing plate is additionally provided on front wall upper plate 406, front wall upper plate reinforcing plate is transversal with front wall upper plate 406 Face is in F shapes.Wherein, front wall upper plate 406 is arranged in the top of front wall middle cross beam 404, and the both ends of front wall upper plate 406 can connect respectively The shock absorber bearing of both sides is connect, such front wall upper plate 406 can effectively reinforce the structural strength of front panel 400, and front wall upper plate 406 can promote the front deck globality of vehicle body 10000, so as to further improve the structural reliability of vehicle body 10000.
Optionally, as shown in Fig. 1 and 19, the both ends of front wall middle cross beam 404 tilt down extension with after front longitudinal beam 300 End is connected.Wherein front wall middle cross beam 404 may include left section, stage casing and right section, stage casing is connected between left section and right section, stage casing Substantially horizontal extension in the lateral direction, left section tilts and extends, and the rear end of the front longitudinal beam 300 at left section of lower-left end and left side It is connected, left section of upper right side is connected with stage casing, and right section of bottom righthand side is connected with the rear end of the front longitudinal beam 300 on right side, a right section of left side Upper end is connected with stage casing.The front wall middle cross beam 404 of such setting can be while rationally reinforcing 400 structure of front panel, effectively Ground is connected with the front longitudinal beam 300 of both sides.
Optionally, as shown in Figure 1, the rear end inward slant of front longitudinal beam 300 extends with the end phase with front wall middle cross beam 404 Even.The front longitudinal beam 300 of such setting can effectively be connected with the end of front wall middle cross beam 404, and in vehicle frontal collision, preceding Longeron 300 can deform outward, and so as to reduce 400 intrusion volume of front panel, living space is provided for passenger.
Specifically, the rear portion of front longitudinal beam 300 is bent upwards extension on direction from front to back, vertical before being promoted in this way The structural strength of beam 300 can guide the rear portion of front longitudinal beam 300 upwardly-deformed, so as to reduce front wall in vehicle frontal collision 400 intrusion volume of plate.
Further, the rear portion of front longitudinal beam 300 extends outwardly on direction from front to back.Outwardly extending front longitudinal beam 300 rear portion can guide the rear portion of front longitudinal beam 300 to deform outward in vehicle frontal collision, be invaded so as to reduce front panel 400 Enter amount.
It should be noted that the part upwardly extended and outwardly extending part of front longitudinal beam 300 can be same herein Part.
Optionally, the width of front wall middle cross beam 404 successively decreases from midpoint to both sides.The intensity of front wall middle cross beam 404 in this way Overall distribution is suitable in the lateral direction, so as to improve the structural reliability of front wall middle cross beam 404.
The arrangement form of the seat beam of vehicle body 10000 is described in detail with reference to Figure 15 and Figure 22.
As shown in figure 22, vehicle body 10000 may include floor, and floor may include:Two seat front beams 1601, two Connecting plate, two sill strips, 800, two outside link plates 1605 after connecting plate 1603, seat before seat rear cross beam 1602, seat With two interior connecting plates 1606, two seat front beams 1601 are spaced apart in the lateral direction, and two seat front beams 1601 are connected by connecting plate before seat 1603, and the outer end of two seat front beams 1601 is connected on two sill strips 800; Two seat rear cross beams 1602 are spaced apart in the lateral direction, and the outer end of each seat rear cross beam 1602 passes through outside link plate 1605 It is connected on sill strip 800, and each the inner end of seat rear cross beam 1602 connects after being connected to seat by interior connecting plate 1606 On fishplate bar, Seat-fixed point is respectively arranged on two outside link plates 1605 and two interior connecting plates 1606.It is horizontal before seat as a result, Coherent structure can be formed between beam 1601, seat rear cross beam 1602 and two sill strips 800, can guarantee front-row seats in this way Installation function and installation strength can promote the side impact of vehicle so as to promote the ability and rigidity of preceding floor anti-torsion Energy.
Optionally, it is respectively arranged on the roof of two seat front beams 1601 and two seat rear cross beams 1602 along left and right The reinforcing rib 1607 that direction extends.Reinforcing rib 1607 can effectively reinforce corresponding seat front beam 1601 and seat rear cross beam 1602 structural strength, to which in vehicle side impact, seat front beam 1601 and seat rear cross beam 1602 will not raise up, from And the intrusion to passenger compartment can be reduced, the safety concerns of passenger can be promoted.Specifically, reinforcing rib 1607 can be concave bar Or convex ribs.Convex ribs or concave bar are simple in structure, so as to reduce the system of seat front beam 1601 and seat rear cross beam 1602 Difficulty is made, the manufacture difficulty of vehicle body 10000 can be reduced.
Optionally, the height of seat front beam 1601 is more than the height of seat rear cross beam 1602.Due to outside link plate 1605 It is provided with Seat-fixed point on interior connecting plate 1606, in this way, seat rear cross beam 1602 is without setting and seat front beam 1601 Contour, 1602 height of such seat rear cross beam is smaller, so as to reduce the weight of seat rear cross beam 1602, and then can drop Low 10000 weight.Further, the 1/2 of 1601 height of seat front beam can be more than the height of seat rear cross beam 1602 Degree.The seat rear cross beam 1602 of such setting on the one hand can be in order to the installation of outside link plate 1605 and interior connecting plate 1606, separately On the one hand the weight of vehicle body 10000 can preferably be reduced.
Specifically, outside link plate 1605 and interior connecting plate 1606 are inverted U shape, and outside link plate 1605 and interior connecting plate 1606 lower edge is fixed on the side wall of seat rear cross beam 1602.Wherein, fixed form can be to be welded and fixed, outer in this way to connect Fishplate bar 1605 and interior connecting plate 1606 are simple in structure, and outside link plate 1605 and interior connecting plate 1606 respectively with it is horizontal after seat Beam 1602 is fixed reliably.
Optionally, as shown in figure 22, outside link plate 1605 may include the overlap edge for being overlapped on 800 roof of sill strip 1608.Overlap edge 1608 can increase the contact area between outside link plate 1605 and sill strip 800, in this way can be further Improve the connection reliability between outside link plate 1605 and sill strip 800 in ground.
Optionally, interior connecting plate 1606 may include the side flanging on connecting plate side wall after being overlapped on seat.Side flanging is same Sample can play the role of increasing contact area, so that being fixed more between connecting plate after interior connecting plate 1606 and seat Add reliable.
The floor upper longitudinal beam 1700 of vehicle body 10000 is described in detail with reference to Figure 22.
Vehicle body 10000 may include floor upper longitudinal beam 1700, and floor upper longitudinal beam 1700 is arranged under the top on floor, front wall Plate 405 is connected to the front side on floor, and floor upper longitudinal beam 1700 tilts extension in front wall lower plate 405 and floor.Traditional floor Upper longitudinal beam is only to extend on floor, and the floor upper longitudinal beam 1700 of the present invention extends forwardly on floor, so as to effective The connection reliability between floor and front wall lower plate 405 is improved, and floor upper longitudinal beam 1700 can also play intermal force, from And stress can be effectively decomposed, the collision performance of vehicle can be promoted.As shown in figure 11, floor upper longitudinal beam 1700 is in front-rear direction The upper rear end with front longitudinal beam 300 is oppositely arranged across front wall lower plate 405.
Specifically, as shown in Figure 15 and Figure 21, floor upper longitudinal beam 1700 tilts from inside to outside on direction from front to back Extend.Floor upper longitudinal beam 1700 can effectively inhibit floor deformation in vehicle frontal collision and side impact in this way, so as to be promoted The collision performance of vehicle.And the floor upper longitudinal beam 1700 being arranged such can be connected in order to it with the component in front.
Optionally, the rear side of front wall lower plate 405 is provided with the front wall lower plate reinforcing rib extended in left-right direction, is indulged on floor Beam 1700 is two, and front wall lower plate reinforcing rib is connected with two floor upper longitudinal beams 1700 respectively, two floor upper longitudinal beams 1700 Rear end is connected with the seat front beam 1601 of both sides respectively.Front wall lower plate reinforcing rib, two floor upper longitudinal beams 1700, two as a result, Connecting plate 1603 forms power transmission closed loop configuration, in this way in vehicle frontal collision, impact force energy before a seat front beam 1601 and seat It is enough that seat front beam 1601 is transferred to by floor upper longitudinal beam 1700 from the front wall lower plate reinforcing rib in front panel 400, so as to Effectively to decompose stress, power transmission effect can be promoted, and then the collision performance of vehicle can be improved.
Wherein, seat front beam 1601 is also connected with channel in floor 1000.Specifically, in floor channel 1000 lower section It is provided with connecting plate 1603 before seat, connecting plate 1603 is connected between two seat front beams 1601 before seat.
The front side of front wall lower plate 405 is provided with front wall middle cross beam 404, before front wall middle cross beam 404 and front wall lower plate reinforcing rib It is corresponding afterwards, and front wall middle cross beam 404 and front wall lower plate reinforcing rib are weighed in upper and lower directions at least partially in left and right directions It closes.It is strong by the way that front wall middle cross beam 404 and front wall lower plate reinforcing rib, the structure that can effectively reinforce front panel 400 is arranged as a result, Degree, can inhibit the intrusion volume of front panel 400, can provide living space for passenger.In addition, when impact force is transmitted, transmit Impact force on to front wall middle cross beam 404 can be transferred on front wall lower plate reinforcing rib and floor upper longitudinal beam 1700, so as to Effectively abundant Path of Force Transfer, can promote the collision performance of vehicle.
Optionally, as shown in figure 15, floor upper longitudinal beam 1700 is linear.The floor upper longitudinal beam 1700 structure letter of linear It is single and reliable, it is simple to manufacture.
The arrangement form of rear longitudinal floor beam 900 is described in detail below.
As shown in Figure 13 and Figure 14, rear longitudinal floor beam 900 includes:Leading portion 901, stage casing 902 and back segment 903, leading portion 901 connect Before being connected on the rear end of longitudinal floor beam 500, stage casing 902 is connected with the rear end of sill strip 800, and back segment 903 prolongs backward from stage casing 902 Extend to Rear secondary frame for vehicle.Longitudinal floor beam 900 can effectively connect sill strip 800 and preceding longitudinal floor beam 500 after as a result, in addition rearly Plate longeron 900 can also be connected with subframe, and longitudinal floor beam 900 can pass sill strip 800 and preceding longitudinal floor beam 500 afterwards in this way It passs the impact force come and passes to subframe, so as to effectively transmit impact force, the collision performance of vehicle can be promoted.
Specifically, as shown in figure 14, the width in stage casing 902 is more than the width of leading portion 901, and the outer wall patch in stage casing 902 On the inner wall for being fixed on sill strip 800.The a part of of stage casing 902 can stretch to extending out as a result, and such stage casing 902 can be with The rear end of the sill strip 800 in outside is connected, so that rear longitudinal floor beam 900 and sill strip 800 are fixed reliably.
Wherein, as shown in figure 13, vehicle body 10000 can also include:Channel 1000 and rear floor crossmember 1100, ground in floor Channel 1000 is connected between the rear end of front longitudinal beam 300 and rear floor crossmember 1100 in plate, and rear floor crossmember 1100 is also with rear Plate longeron 900 is connected to form power transmission closed loop configuration with channel in floor 1000, preceding longitudinal floor beam 500 and rear longitudinal floor beam 900. Therefrom, it may be appreciated that impact force can not only be passed to sill strip 800 and preceding longitudinal floor beam 500 by front longitudinal beam 300, also Impact force can be passed to channel 1000 in floor.Channel 1000 can be by rear floor crossmember 1100 by impact force in floor Pass to rear longitudinal floor beam 900.Floor impact force transmission path can be preferably enriched in this way, so as to effectively disperse to collide Power can promote the collision performance of vehicle.
In vehicle frontal collision, the impact force of front longitudinal beam 300 is transferred to respectively by preceding longitudinal floor beam 500 and sill strip 800 Rear longitudinal floor beam 900 is passed to, and rear longitudinal floor beam is passed to by channel in floor 1000 and rear floor crossmember 1100 900。
Specifically, the middle channel power transmission access 1001 extended along the longitudinal direction is formed in floor on channel 1000.In lead to Road power transmission access 1001 can make impact force directly transmit in the longitudinal direction, so as to further be promoted in floor The power transmission effect in channel 1000, can promote power transmission efficiency.For example, middle channel power transmission access 1001 can be groove.So set 1001 power transmissions of middle channel power transmission access set are reliable, and are arranged simple.
It should be noted that the left and right side in channel 1000 is both provided with a middle channel power transmission access in floor 1001, the middle channel power transmission access 1001 for being located at left side is corresponding with the preceding longitudinal floor beam 500 in left side, is located at the middle channel on right side Power transmission access 1001 is corresponding with the preceding longitudinal floor beam 500 on right side.
Wherein, as shown in figure 12, vehicle body 10000 can also include:Middle channel connecting plate 1002, middle channel connecting plate 1002 Before being connected in longitudinal floor beam 500 and floor between channel 1000, middle channel connecting plate 1002, the rear portion of front longitudinal beam 300 and preceding Longitudinal floor beam 500 forms Y-shaped force transferring structure.In this way, power transmission efficiency is high, power transmission dispersion, so as to promote the collision of vehicle Performance.
Further, torsion box 801 before being connected between sill strip 800 and the rear portion of front longitudinal beam 300, in floor channel Be connected with middle channel connecting plate 1002 between 1000 and the rear portion of front longitudinal beam 300, preceding torsion box 801, preceding longitudinal floor beam 500, in Channel connecting plate 1002 forms trifid structure.In this way, front longitudinal beam 300 can be passed with three direction power transmissions backward so as to be promoted Power effect can promote the collision performance of vehicle.
Vehicle body according to the ... of the embodiment of the present invention 10000 is described in detail by taking vehicle body shown in Figure 23 10000 as an example below just The transmittance process of impact force when touching.
The concrete structure of vehicle body 10000 shown in Figure 23 once is first described, vehicle body 10000 includes:Front anti-collision beam 200 is inhaled It can box 201, front longitudinal beam 300, front end closing structure 700, roof side rail 600, multiple interconnecting pieces, A columns 100, gusset plate 1400, front wall It is erected under plate 400, front wall middle cross beam 404, wheel cover 1200, wheel cover reinforcing beam 1300, connector 1500, front wall upper beam 402, front wall It is channel 1000 in channel 401, front wall lower plate reinforcing rib, floor, floor in beam 403, front panel, middle channel connecting plate 1002, preceding Torsion box 801, floor upper longitudinal beam 1700, sill strip 800, preceding longitudinal floor beam 500, rear longitudinal floor beam 900, rear floor crossmember 1100, the components such as subframe, seat front beam 1601, seat rear cross beam 1602.Wherein, the quantity of above-mentioned component is no longer retouched It states, those skilled in the art can clearly confirm according to the above and attached drawing, for example, front longitudinal beam 300 is symmetrical two Item, roof side rail 600 are symmetrical two.
In vehicle frontal collision, the impact force for colliding generation is directly passed to front anti-collision beam 200, and front anti-collision beam 200 is in both sides Energy-absorption box 201 absorb energy after impact force is transmitted to the front longitudinal beam 300 at rear, every front anti-collision beam 200 has multiple power transmissions Channel is transmitted to A columns 100, and wherein A columns 100 are connected with front panel 400 and gusset plate 1400, can effectively decompose stress in this way.
The impact force that front longitudinal beam 300 transmits backward can also be roughly divided into both direction, and one is front panel 400 and gusset 1400 direction of plate, one is floor direction.
First say 1400 direction of front panel 400 and gusset plate:A part of impact force can be passed through first support by front longitudinal beam 300 601 pass to roof side rail 600, which can be passed to A columns 100, can enrich impact force in this way by roof side rail 600 Transmission path, the burden of front longitudinal beam 300 can be mitigated, the collision performance of vehicle can be promoted.
Another part impact force can be passed to roof side rail 600, roof side rail 600 by front longitudinal beam 300 by second support 602 The local collision power can be passed to A columns 100, the transmission path of impact force can be enriched in this way, front longitudinal beam 300 can be mitigated Burden, the collision performance of vehicle can be promoted.
Herein, it should be noted that second support 602 include the first connector 6021 and the second connector 6022, second For connecting front end closing structure 700, a part of impact force can be closed connector 6022 by such front longitudinal beam 300 by front end Structure 700 passes to second support 602, and second support 602 passes to roof side rail 600 again, and front end closing structure 700 can make It obtains impact force to transmit uniformly, power transmission effect can be promoted.
Another local collision power can also be passed to roof side rail 600, roof side rail by front longitudinal beam 300 by third holder 603 600 can pass to the local collision power on A columns 100, can enrich the transmission path of impact force in this way, can mitigate front longitudinal beam 300 burden can promote the collision performance of vehicle.
Wherein, first support 601, second support 602 and third holder 603 are multiple interconnecting pieces of vehicle body 10000, so The multiple interconnecting pieces being arranged can increase the Path of Force Transfer between front longitudinal beam 300 and roof side rail 600, can better disperse by Power, and the power transmission process of first support 601, second support 602 and third holder 603 does not conflict mutually, it might even be possible to it is mutually complementary It fills, first support 601, second support 602 and third holder 603 can disperse the impact force at 300 different location of front longitudinal beam Ground is transmitted at roof side rail 600, so as to preferably promote power transmission effect.
In addition, being connected with wheel cover 1200 between the rear portion and front panel 400 of front longitudinal beam 300, wheel is provided on wheel cover 1200 The preceding lower end of cover reinforcing beam 1300, wheel cover reinforcing beam 1300 is connected on the rear portion of front longitudinal beam 300, is then integrally attached to wheel again On cover 1200, another local collision power can be passed to wheel cover reinforcing beam 1300, wheel cover reinforcing beam by such front longitudinal beam 300 1300 can pass to front panel 400 by wheel cover 1200, and front panel 400 is further continued for transmitting backward.Wheel cover reinforcing beam as a result, 1300 can effectively enrich Path of Force Transfer, can effectively decompose impact force, can promote the collision performance of vehicle.
The rear of front panel 400 part corresponding with wheel cover reinforcing beam 1300 is provided with connector 1500, connector 1500 can effectively connect front panel 400 and gusset plate 1400, and connector 1500 is additionally coupled at front wall upper beam 402. So after wheel cover reinforcing beam 1300 is transferred in front panel 400, impact force can be in the front wall middle cross beam 404 in front panel 400 Upper transmission can also be backward transferred in gusset plate 1400 by connector 1500, can further disperse impact force in this way, Power transmission efficiency can be promoted, the collision performance of vehicle can be promoted.
Certainly, it is connected directly with A columns 100 due to the rear end of roof side rail 600, such roof side rail 600 is transferred to A columns 100 Impact force can pass to front panel 400 and gusset plate 1400, so as to further disperse impact force, can promote power transmission Effect.
Wherein, being transferred to the impact force in front panel 400 can transmit on front wall upper beam 402 from both ends to midpoint, The impact force for being transferred to midpoint can downwards be transmitted by vertical beam under front wall 403, wherein channel 401 and floor in front panel Middle channel 1000 is connected, and the impact force in such front panel 400 can be directly passed on floor.About 400 He of front panel It is described in detail again behind other power transmission forms between floor.
Impact force in gusset plate 1400 can be transmitted immediately rearward, and the impact force in gusset plate 1400 can also pass to Sill strip 800, sill strip 800 transmit backward.
In addition, the rear end of front longitudinal beam 300 is connected in front panel 400, and the rear end of two front longitudinal beams 300 also with front wall Front wall middle cross beam 404 on plate 400 is connected, and two front longitudinal beams 300, front anti-collision beam 200 and front wall middle cross beam 404 form power transmission Closed loop configuration.Another local collision power can also be transmitted to front panel 400 and front wall middle cross beam 404 by front longitudinal beam 300 in this way On, front wall middle cross beam 404 can further decompose impact force, can be to multiply so as to reduce the intrusion volume of front panel 400 Visitor provides enough living spaces.
Front wall middle cross beam 404 is arranged in the front surface of front panel 400, specifically, front wall middle cross beam 404 and front wall lower plate 405 are connected, and front wall lower plate reinforcing rib are provided in front wall lower plate 405, front wall lower plate reinforcing rib is across front wall lower plate 405 and front wall Some coincidence of middle cross beam 404, the impact force being transferred in this way in front panel 400 can be passed by front wall lower plate reinforcing rib It passs, impact force can be passed to floor upper longitudinal beam 1700 by front wall lower plate reinforcing rib, and floor upper longitudinal beam 1700 can be further Impact force is passed into seat front beam 1601, seat front beam 1601 can be transmitted to both sides, such seat front beam 1601 Another part impact force can also be passed to the ground of inside by the sill strip 800 that a part of impact force can be passed to outside Channel 1000 in plate.Path of Force Transfer of the impact force in front panel 400 and floor can be effectively enriched in this way, can effectively be disperseed Impact force can promote the collision performance of vehicle.
It should be noted that seat rear cross beam 1602 is connected in floor between channel 1000 and sill strip 800, pass in this way Seat rear cross beam 1,602 1 can also be passed up in the side transmitted backward by being delivered to channel 1000 and sill strip 800 in floor Point, so as to further enrich Path of Force Transfer.
In conclusion the Path of Force Transfer in front panel 400 is broadly divided into five:First be front wall middle cross beam 404, second Item is front wall upper beam 402, channel 401 in vertical beam 403 and front panel under front wall, and Article 3 is front wall lower plate reinforcing rib and floor Upper longitudinal beam 1700, Article 4 are connector 1500 and gusset plate 1400, and Article 5 is A columns 100 and gusset plate 1400.
Besides floor direction, the rear end of front longitudinal beam 300 are also connected with channel in sill strip 800, preceding longitudinal floor beam 500 and floor 1000, and as shown in figure 12, channel 1000 is arranged in trifid structure in sill strip 800, preceding longitudinal floor beam 500 and floor, tool Body, torsion box 801 before being additionally provided between sill strip 800 and the rear end of front longitudinal beam 300, channel 1000 and front longitudinal beam in floor Middle channel connecting plate 1002 is additionally provided between 300 rear end.
It is transmitted as such to the impact force of 300 rear end of front longitudinal beam, three directions can be divided into and transmitted, one passes to sill strip 800, one passes to preceding longitudinal floor beam 500, and one passes to channel 1000 in floor, sill strip 800 and preceding longitudinal floor beam 500 It can pass to rear longitudinal floor beam 900 backward, be provided with middle channel power transmission access 1001 in floor on channel 1000, middle channel passes Power access 1001 can pass to rear longitudinal floor beam 900 by rear floor crossmember 1100, and rear longitudinal floor beam 900 transmits backward again To subframe.Path of Force Transfer of the impact force on floor can be obviously enriched in this way, can effectively decompose stress, can be promoted and be touched Hit power.
In conclusion the Path of Force Transfer on floor substantially four:First is preceding torsion box 801,800 and of sill strip Longitudinal floor beam 900 afterwards, Article 2 be preceding longitudinal floor beam 500 and rear longitudinal floor beam 900, Article 3 be middle channel connecting plate 1002, Floor crossmember 1100 and rear longitudinal floor beam 900 afterwards, Article 4 are floor upper longitudinal beam 1700, seat front beam 1601, sill strip 800 With rear longitudinal floor beam 900.
In conclusion the vehicle body 10000 of the present invention is in vehicle frontal collision, impact force can be transferred to from front anti-collision beam 200 At Rear secondary frame for vehicle, such Path of Force Transfer is long, and power transmission effect is good, and Path of Force Transfer is more, and the effect for decomposing stress is preferable, to The structural reliability of vehicle body 10000 can be effectively promoted, and the collision performance of vehicle can be promoted.
Herein, it should be noted that the above is illustrated by taking vehicle frontal collision as an example, but those skilled in the art It can clearly know side impact power transmission process according to the above.
For example, in vehicle side impact, impact force can pass to A columns 100 by gusset plate 1400, and A columns 100 pass through more again A power transmission channel passes to front longitudinal beam 300, and it is logical by multiple power transmissions that A columns 100 can also pass to 400 front panel 400 of front panel Road passes to floor.
For another example, in vehicle side impact, impact force can be passed ahead to front longitudinal beam 300, front longitudinal beam by sill strip 800 300 can pass to A columns 100 by multiple power transmission channels, and impact force can also be transmitted to secondary vehicle backward by rear longitudinal floor beam 900 Frame.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.

Claims (12)

1. a kind of vehicle body (10000), which is characterized in that including:
Front longitudinal beam (300);
The front end of preceding longitudinal floor beam (500), the preceding longitudinal floor beam (500) be connected with the rear end of the front longitudinal beam (300) and It is configured to linear;
The front end of sill strip (800), the sill strip (800) is connected with the rear end of the front longitudinal beam (300) and the sill strip (800) with the non-parallel setting of the preceding longitudinal floor beam (500);
Longitudinal floor beam (900) afterwards, it is described after longitudinal floor beam (900) respectively with the rear end of the preceding longitudinal floor beam (500) and described The rear end of sill strip (800) is connected so that the preceding longitudinal floor beam (500), the sill strip (800) and the rear longitudinal floor beam (900) power transmission closed loop configuration is formed.
2. vehicle body (10000) according to claim 1, which is characterized in that longitudinal floor beam (900) includes after described:Leading portion (901), stage casing (902) and back segment (903), the leading portion (901) are connected on the rear end of the preceding longitudinal floor beam (500), institute It states stage casing (902) with the rear end of the sill strip (800) to be connected, the back segment (903) extends back from the stage casing (902).
3. vehicle body (10000) according to claim 2, which is characterized in that the width of the stage casing (902) be more than it is described before The width of section (901) and the outer wall of the stage casing (902) reclines and is fixed on the inner wall of the sill strip (800).
4. vehicle body (10000) according to any one of claim 1-3, which is characterized in that further include:Channel in floor (1000) and rear floor crossmember (1100), channel (1000) is connected to rear end and the institute of the front longitudinal beam (300) in the floor Between stating rear floor crossmember (1100), it is described after floor crossmember (1100) also with it is described after longitudinal floor beam (900) be connected with institute It states channel in floor (1000), the preceding longitudinal floor beam (500) and rear longitudinal floor beam (900) and forms power transmission closed loop configuration.
5. vehicle body (10000) according to claim 4, which is characterized in that be formed on channel (1000) in the floor The middle channel power transmission access (1001) extended along the longitudinal direction.
6. vehicle body (10000) according to claim 5, which is characterized in that the middle channel power transmission access (1001) is recessed Slot.
7. vehicle body (10000) according to claim 5, which is characterized in that further include:Middle channel connecting plate (1002), institute Channel connecting plate (1002) is stated to be connected in the preceding longitudinal floor beam (500) and the floor between channel (1000), it is described Middle channel connecting plate (1002), the rear portion of the front longitudinal beam (300) and the preceding longitudinal floor beam (500) form Y-shaped power transmission knot Structure.
8. vehicle body (10000) according to claim 1, which is characterized in that the rear portion of the front longitudinal beam (300) has upward It is bent the part extended.
9. vehicle body (10000) according to claim 1, which is characterized in that the rear portion of the front longitudinal beam (300) has outside It is bent the part extended.
10. vehicle body (10000) according to claim 1, which is characterized in that in vehicle frontal collision, be transferred to described preceding vertical It is vertical that the impact force of beam (300) passes to the rear floor by the preceding longitudinal floor beam (500) and the sill strip (800) respectively Beam (900).
11. vehicle body (10000) according to claim 4, which is characterized in that in vehicle frontal collision, be transferred to described preceding vertical It is vertical that the impact force of beam (300) passes to the rear floor by the preceding longitudinal floor beam (500) and the sill strip (800) respectively Beam (900), and the rear floor is passed to by channel (1000) in the floor and the rear floor crossmember (1100) and is indulged Beam (900).
12. a kind of vehicle, which is characterized in that include the vehicle body (10000) according to any one of claim 1-11.
CN201710209731.0A 2017-03-31 2017-03-31 Vehicle body and vehicle Pending CN108657276A (en)

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