CN106184381A - The body structure of electric automobile - Google Patents

Abstract

The invention discloses the body structure of a kind of electric automobile, including body frame be overlying on body frame and be the detachable multiple vehicle body exterior trimming parts being connected with body frame, vehicle body exterior trimming parts uses macromolecular material to make.The body structure of electric automobile of the present invention, uses macromolecular material to make vehicle body exterior trimming parts so that the quality of vehicle body exterior trimming parts is greatly reduced, for lightweight parts, meet the lightweight requirements of electric automobile, the advantage not only with energy-conserving and environment-protective, additionally it is possible to improve the course continuation mileage of electric automobile；Vehicle body exterior trimming parts is detachable connection with body frame, facilitates the replacing of vehicle body exterior trimming parts.

Description

The body structure of electric automobile

Technical field

The invention belongs to electric vehicle engineering field, specifically, the present invention relates to the body structure of a kind of electric automobile.

Background technology

Electric automobile, as a kind of new-energy automobile, has the advantage of energy-conserving and environment-protective, and electric automobile increasingly becomes automobile The focus of area research.The difficult problem that electric automobile field generally exists at present is that accumulator of electric car course continuation mileage is limited, this Limit the popularization and application of electric automobile.

The body in white of existing electric automobile is to use steel plate punched molding, complex forming technology, and cost is high, the vehicle body made Overall weight is big, is unfavorable for electric automobile lightweight, it is impossible to effectively extend electric automobile course continuation mileage, and metalwork makes assembling And maintenance cost is the highest, it is unfavorable for reducing cost, it is impossible to meet energy-conserving and environment-protective requirement.

Summary of the invention

It is contemplated that at least solve one of technical problem present in prior art.To this end, the present invention provides a kind of electricity The body structure of electrical automobile, it is therefore an objective to meet car load lightweight requirements.

To achieve these goals, the technical scheme that the present invention takes is: the body structure of electric automobile, including vehicle body bone Frame and be overlying on body frame and be the detachable multiple vehicle body exterior trimming parts being connected with body frame, vehicle body exterior trimming parts uses height Molecular material is made.

Described body frame includes A post assembly, B-pillar assembly and C post assembly, and A post assembly includes A column and from A post Pillar starts the top side rail extending to C post assembly and being connected with B-pillar assembly and C post assembly, top side rail use aluminium section bar to make and Inside has cavity.

Described top side rail includes being surrounded, by multiple sidewalls, the hollow body formed and first be arranged in hollow body adds Strong muscle, the inner chamber of hollow body is separated into multiple independent cavity by the first reinforcement.

Described top side rail have be sequentially connected with the first back timber sidewall, the second back timber sidewall, the 3rd back timber sidewall, the 4th top Beam sidewall, the 5th back timber sidewall, the 6th back timber sidewall and the 7th back timber sidewall, the first back timber sidewall and the second back timber sidewall are used for Being connected with exterior trimming parts, described B-pillar assembly is connected with the 3rd back timber sidewall and the 4th back timber sidewall, described C post assembly and the 3rd top Beam sidewall connects, and the 7th back timber sidewall is for being connected with front windshield and top cover assembly.

Described 5th back timber sidewall is relative to described 7th back timber sidewall for being obliquely installed, and the 5th back timber sidewall and the 7th pushes up Angle between beam sidewall is acute angle.

Described 5th back timber sidewall is that the inner side inclined downward of the most described 7th back timber sidewall extends, the 5th back timber Angle between sidewall and described 6th back timber sidewall is obtuse angle.

Described top side rail also has between described first back timber sidewall and described 7th back timber sidewall and towards the 7th The convex tendon that back timber sidewall projects above, convex tendon and the first back timber sidewall and the 7th back timber sidewall connect.

There is inside described top side rail cross reinforcement, cross reinforcement the inner chamber of top side rail is separated into four independent Cavity.

Described A column uses aluminium section bar to make and inside has cavity.

Described A column includes being surrounded, by multiple sidewalls, the hollow body formed and second be arranged in hollow body adds Strong muscle, the inner chamber of hollow body is separated into multiple independent cavity by the second reinforcement.

Described A column have be sequentially connected with an A post sidewall, the 2nd A post sidewall, the 3rd A post sidewall, the 4th A post Sidewall, the 5th A post sidewall and the 6th A post sidewall, an A post sidewall and the 3rd A post sidewall be oppositely arranged, the 2nd A post sidewall with 4th A post sidewall, the 5th A post sidewall and the 6th A post sidewall are oppositely arranged and parallel with the 6th A post sidewall.

A described A post sidewall and described 3rd A post sidewall are parallel.

Described 2nd A post sidewall is perpendicular with a described A post sidewall and described 3rd A post sidewall, the 2nd A post sidewall with Described 6th A post sidewall is parallel.

Described 4th A post sidewall relative to described 2nd A post sidewall for being obliquely installed, the 4th A post sidewall and described 3rd A Angle between post sidewall is obtuse angle.

Described 5th A post sidewall extends formation door opening seam limit towards the outside of described 6th A post sidewall.

Described A post assembly also includes the A post attachment structure being connected with described A column and described top side rail.

Described A post attachment structure includes A post tie-beam and is connected with A post tie-beam and connects for the A post that is oppositely arranged Inner panel and A post connect outside plate, and A post connects outside plate and is positioned at the outside of A post connection inner panel.

Described B-pillar assembly includes the B column being connected with described top side rail and the B post buttress brace being connected with B column, B Column and B post buttress brace use aluminium section bar to make and inside has cavity.

Described B column mainly includes being surrounded the hollow body that formed and the be arranged in hollow body by multiple sidewalls Three reinforcements, the inner chamber of hollow body is separated into multiple independent cavity by the 3rd reinforcement.

Described B post buttress brace mainly includes being surrounded, by multiple sidewalls, the hollow body formed and being arranged in hollow body 4th reinforcement, the inner chamber of hollow body is separated into multiple independent cavity by the 4th reinforcement.

Described B column mainly includes being surrounded, by four sidewalls, the B column jecket body formed and being arranged at a B column jecket body The 3rd interior reinforcement, the inner chamber of a B column jecket body is separated into multiple independent cavity by the 3rd reinforcement.

Described B post buttress brace mainly includes being surrounded, by six sidewalls, the 2nd B column jecket body formed and being arranged at the 2nd B column jecket The 4th internal reinforcement, the inner chamber of the 2nd B column jecket body is separated into multiple independent cavity by the 4th reinforcement.

Described B column includes the first extension being connected with a described B column jecket body, described B post buttress brace include with The second extension that described 2nd B column jecket body connects, has spacing and this spacing shape between the first extension and the second extension Become the locating slot allowing sill strip assembly embed.

Described C post assembly includes the C column being connected with described top side rail, and C column uses aluminium section bar to make and internal There is cavity.

Described C column mainly includes being surrounded the hollow body that formed and the be arranged in hollow body by multiple sidewalls Five reinforcements, the inner chamber of hollow body is separated into multiple independent cavity by the 5th reinforcement.

The cross section of described C column is day font.

Described C post assembly also includes the C post connecting plate being connected with described top side rail and described C column.

Described C post assembly also includes the first support beam being connected with described C column and described B-pillar assembly, and first supports Beam is positioned at the lower section of described top side rail, and the first support beam uses aluminium section bar to make.

Described C post assembly also includes the second support being connected with described C column and be positioned at below described first support beam Beam, the second support beam uses aluminium section bar to make.

Described body frame also includes that sill strip assembly, sill strip assembly include sill strip body, and sill strip body uses Aluminium section bar is made and inside has cavity, and sill strip body one end is connected with described A post assembly, the sill strip body other end and institute State B-pillar assembly to connect.

This internal the 6th reinforcement being provided with for sill strip body interior being divided into one group of cavity of described sill strip.

Described sill strip body upper part is provided with the projection of hollow, and projection is structure as a whole with sill strip body.

Described sill strip assembly also includes being arranged at described sill strip body interior and the battery for self-contained battery is fixed Structure, battery fixing structure includes that nutplate mounting bar and the battery being located on nutplate mounting bar install nutplate, nutplate Mounting bar is fixed on the base plate of sill strip body, and base plate is provided with installs corresponding the leading to of the screw in nutplate with battery Hole.

The projection of described sill strip body is provided with bottom seam, protruding one end be provided with for institute on described A post assembly If side seam be connected seam connecting plate.

Described body frame also includes that front floor assembly and rear floor assembly, described front floor assembly include floor front beam And seat beam, described rear floor assembly includes rear floor front beam, longitudinal floor beam and rear Floor rear crossbeam after a pair, described After a pair, longitudinal floor beam is located between rear floor front beam and rear Floor rear crossbeam formation afterframe, described floor front beam, seat Chair crossbeam, rear floor front beam, rear longitudinal floor beam and rear Floor rear crossbeam all uses aluminium section bar to make and inside has cavity.

Be provided with between the pair of rear longitudinal floor beam rear floor middle, rear floor middle and rear Floor rear crossbeam and Rear floor front beam is parallel, and rear floor middle uses aluminium section bar to make and inside has cavity.

The two ends of described rear floor front beam are connected with described side wall assembly, are provided with between side wall assembly and rear longitudinal floor beam Subframe mounting rail, subframe mounting rail uses aluminium section bar to make and inside has cavity.

Described seat beam includes that seat front beam and seat rear cross beam, described seat front beam are provided with secondary instrument anti-rotation Support, seat rear cross beam is provided with parking brake mounting seat.

It is provided with reinforcement longeron between described rear floor middle and rear floor front beam, strengthens longeron and use aluminium section bar to make And inside has cavity.

Be provided with between described rear floor middle and rear Floor rear crossbeam dismountable after overhaul lid.

Dismountable front maintenance lid it is provided with between described reinforcement longeron and rear longitudinal floor beam.

Being provided with web beam between described reinforcement longeron and rear longitudinal floor beam, web beam uses aluminium section bar to make and internal There is cavity.

Described body frame also includes the front longitudinal assembly being connected with described floor front beam, and front longitudinal assembly includes successively Front longitudinal leading portion, front longitudinal stage casing and the front longitudinal back segment connected, front longitudinal leading portion, front longitudinal stage casing and front longitudinal back segment use Aluminium section bar is made and inside has cavity.

The cross section of described front longitudinal leading portion is the figure of eight.

Described front longitudinal leading portion is to be formed by connecting by the body that two cross sections are octagon and inner hollow.

The cross section in described front longitudinal stage casing is the figure of eight.

Described front longitudinal stage casing is to be formed by connecting by the body that two cross sections are octagon and inner hollow.

Described front longitudinal back segment includes being surrounded the hollow body formed and adding of being arranged in hollow body by multiple sidewalls Strong muscle, the inner chamber of hollow body is separated into multiple independent cavity by reinforcement.

Described front longitudinal back segment has the storage tank allowing described front longitudinal stage casing embed.

Described body frame also includes front anticollision beam assembly, and front anticollision beam assembly includes collision prevention girders body and energy-absorption box, inhales Can be connected with collision prevention girders body and described front longitudinal leading portion by box.

Described energy-absorption box uses aluminium section bar to make and inside has cavity, and the cross section of energy-absorption box is the figure of eight.

Described energy-absorption box is to be formed by connecting by the energy-absorbing body that two cross sections are octagon and inner hollow.

The cross section of described energy-absorbing body is octagon.

Two described energy-absorbing bodys are the width layout along described collision prevention girders body.

The crumple muscle that the inside of energy-absorption box is protruded it is provided with on the sidewall of described energy-absorbing body.

Described crumple muscle is triangular structure.

Described collision prevention girders body uses aluminium section bar to make.

The aluminium section bar that described collision prevention girders body uses cross section to be mesh font makes and inside has cavity.

The plurality of vehicle body exterior trimming parts includes the side bar ornamental strip being overlying on described top side rail, and side bar ornamental strip is at top side rail Upper for start to extend to the end being connected with described C post assembly of top side rail from described A column.

The body structure of electric automobile of the present invention, uses macromolecular material to make vehicle body exterior trimming parts so that vehicle body exterior trimming parts Quality be greatly reduced, for lightweight parts, meet the lightweight requirements of electric automobile, the advantage not only with energy-conserving and environment-protective, The course continuation mileage of electric automobile can also be improved；Vehicle body exterior trimming parts is detachable connection with body frame, facilitates vehicle body exterior trim The replacing of part；Body frame uses the aluminium profile of hollow, and overall weight is little, intensity is high, and collision safety performance is more excellent, favorably In electric automobile lightweight, can effectively extend electric automobile course continuation mileage；And the top side rail running through setting uses aluminium section bar system Become, simple in construction, good rigidity, improve the rigidity property that body structure is overall.

Accompanying drawing explanation

This specification includes the following drawings, shown content respectively:

Fig. 1 is the structural representation of body frame；

Fig. 2 is the structural representation of another angle of body frame；

Fig. 3 is the structural representation of the front anticollision beam assembly of the first structure；

Fig. 4 is the structural representation of energy-absorption box；

Fig. 5 is the cross sectional representation of energy-absorption box；

Fig. 6 is the structural representation of the front anticollision beam assembly of the second structure；

Fig. 7 is the structural representation of front longitudinal assembly；

Fig. 8 is the side view of front longitudinal assembly；

Fig. 9 is the partial structurtes schematic diagram of front longitudinal assembly；

Figure 10 is the installation diagram in front longitudinal stage casing and front longitudinal back segment；

Figure 11 is the structural representation in front longitudinal stage casing；

Figure 12 is front longitudinal leading portion and the sectional view in front longitudinal stage casing；

Figure 13 is the structural representation of front longitudinal back segment；

Figure 14 is the front view of front longitudinal back segment；

Figure 15 is the structural representation of side wall assembly；

Figure 16 is the structural representation of A post assembly；

Figure 17 is the structural representation of top side rail；

Figure 18 is the cross sectional representation of top side rail；

Figure 19 is the structural representation of A column；

Figure 20 is A-A sectional view in Figure 19；

Figure 21 is B-B sectional view in Figure 19；

Figure 22 is the structural representation that A post connects outside plate；

Figure 23 is the structural representation of B-pillar assembly；

Figure 24 is the front view of B-pillar assembly；

Figure 25 is C-C sectional view in Figure 24；

Figure 26 is enlarged drawing at D in Figure 23；

Figure 27 is the enlarged drawing of B post column and top side rail junction；

Figure 28 is the structural representation of C post assembly；

Figure 29 is the cross sectional representation of C column；

Figure 30 is the structural representation of sill strip assembly；

Figure 31 is the decomposing schematic representation of sill strip assembly；

Figure 32 is the front view of sill strip assembly；

Figure 33 is E-E sectional view in Figure 32；

Figure 34 is F-F sectional view in Figure 32；

Figure 35 is the cross sectional representation of sill strip assembly；

Figure 36 is that nutplate installation enlarged diagram installed by battery；

Figure 37 is B-pillar assembly and top side rail and the installation diagram of sill strip assembly；

Figure 38 is the structural representation of side wall assembly Background Region；

Figure 39 is the front view of side wall assembly；

Figure 40 is the enlarged drawing of vehicle door bonnet lock erecting device；

Figure 41 is the structural representation of snap close installing plate；

Figure 42 is the front view of vehicle door bonnet lock erecting device；

Figure 43 is G-G sectional view in Figure 42.

Figure 44 is the decomposing schematic representation of vehicle door bonnet lock erecting device；

Figure 45 is substructure schematic diagram of floor assembly；

Figure 46 is the superstructure schematic diagram of floor assembly；

Figure 47 is the structural representation of body structure of the present invention；

Figure is labeled as:

100, front anticollision beam assembly；101, collision prevention girders body；102, energy-absorption box；103, energy-absorbing body；104, crumple muscle； 105, the first incline line；106, the second incline line；107, the 3rd incline line；108, the 4th incline line；109, the 5th incline line； 110, the 6th incline line；111, heptalateral crest line；112, the 8th incline line；113, collision prevention girders installing plate；

200, front longitudinal assembly；201, front longitudinal leading portion；202, front longitudinal stage casing；203, front longitudinal back segment；204, leading portion Shrouding；205, stage casing shrouding；206, back segment shrouding；207, storage tank；208, reinforcing plate；209, support beam；210, front end face； 211, rear end face；212, the first locating surface；213, the second locating surface；214, the 3rd locating surface；215, cross reinforcement；

300, front floor assembly；301, floor front beam；302, seat front beam；303, seat rear cross beam；304, frontly Body before plate；305, body in front floor；306, body behind front floor；307, secondary instrument anti-rotation support；308, parking brake mounting seat；

400, side wall assembly；

401, the first shrouding；402, the second shrouding；403, the 3rd shrouding；

404, A post assembly；4401, A column；4402, A post connects outside plate；4403, A post tie-beam；4404, top side rail； 4405, front support beam；4406, front buttress brace；4407, the first back timber sidewall；4408, the second back timber sidewall；4409, the 3rd back timber Sidewall；4410, the 4th back timber sidewall；4411, the 5th back timber sidewall；4412, the 6th back timber sidewall；4413, the 7th back timber sidewall； 4414, convex tendon；4415, the first reinforcement；4416, an A post sidewall；4417, the 2nd A post sidewall；4418, the 3rd A post sidewall； 4419, the 4th A post sidewall；4420, the 5th A post sidewall；4421, the 6th A post sidewall；4422, the second reinforcement；4423, sleeve Nut；4424, beater or beat-up installing hole；4425, hole, location；

405, B-pillar assembly；4501, B column；4502, B post buttress brace；4503, a B column jecket body；4504, first prolongs Extending portion；4505, the 2nd B column jecket body；4506, the second extension；4507, the 3rd reinforcement；4508, the 4th reinforcement；4509, One installed surface；4510, the second installed surface；

406, C post assembly；4601, C column；4602, the 5th reinforcement；4603, C post connecting plate；4604, first support Beam；4605, the second support beam；

407, sill strip assembly；4701, sill strip body；4702, lifting fixed mount；4703, nutplate mounting bar； 4704, nutplate installed by battery；4705, rivet；4706, rear shrouding；4707, front shrouding；4708, seam connecting plate；

408, vehicle door bonnet lock erecting device；4801, snap close installing plate；4802, latch；4803, locking nut plate；

409, door opening seam assembly；4901, seam under door；4902, seam behind the door；4903, seam in front of the door；4904, gusset Front seam；4905, seam on door；410, rear buttress brace；

500, rear floor assembly；501, rear floor front beam；502, subframe mounting rail；503, rear longitudinal floor beam；504、 Rear floor middle；505, rear Floor rear crossbeam；506, longeron is strengthened；507, front maintenance lid；508, web beam；509, after Maintenance lid；

600, front windshield sill；700, front head piece；800, top cover middle transverse beam；900, top cover assembly；1000, horizontal stroke is pushed up afterwards Beam；1100, front bumper；1200, beater or beat-up；1300, side bar ornamental strip；1400, rear side wall；1500, threshold ornamental strip； 1600, front windshield.

Detailed description of the invention

Below against accompanying drawing, by the description to embodiment, the detailed description of the invention of the present invention is made further details of Explanation, it is therefore an objective to help those skilled in the art that design, the technical scheme of the present invention are had more complete, accurate and deep reason Solve, and contribute to its enforcement.

As shown in figure 47, the invention provides the body structure of a kind of electric automobile, including body frame, top cover assembly 900 and be overlying on body frame and be the detachable multiple vehicle body exterior trimming parts being connected with body frame, vehicle body exterior trimming parts uses Macromolecular material is made.

As depicted in figs. 1 and 2, body frame mainly includes front anticollision beam assembly, front longitudinal assembly, side wall assembly, front Plate assembly and rear floor assembly, front anticollision beam assembly, front longitudinal assembly, front floor assembly and rear floor assembly are to successively along X Arrange and be sequentially connected with, side wall assembly be vertically arranged at front floor assembly and the both sides of rear floor assembly and with front floor assembly and Rear floor assembly is fixing to be connected.

As it is shown on figure 3, front anticollision beam assembly 100 includes the energy-absorbing that collision prevention girders body 101 is connected with collision prevention girders body 101 Box 102 and the collision prevention girders installing plate 113 being connected with energy-absorption box 102.As shown in Figure 4, energy-absorption box 102 uses aluminium section bar to make and interior Portion has cavity, and the cross section of energy-absorption box 102 is the figure of eight.

As shown in Figure 4 and Figure 5, energy-absorption box 102 is octagon and both ends open, inner hollow by two cross sections Energy-absorbing body 103 is formed by connecting, by raw material extrusion molding during making, and the rigidity of the energy-absorption box 102 that employing aluminium section bar is made Good, lightweight, make anticollision beam assembly 100 meet car load lightweight requirements.

As it is shown on figure 3, energy-absorption box 102 arranges two on collision prevention girders body 101, two energy-absorption boxes 102 are along collision prevention girders originally The length direction of body 101 is arranged, two energy-absorption boxes 102 lay respectively at one end of collision prevention girders body 101, each energy-absorption box 102 One end is welded to connect with collision prevention girders body 101, and the other end is welded to connect with collision prevention girders installing plate 113.As shown in Figure 4 and Figure 5, respectively Two energy-absorbing bodys 103 of individual energy-absorption box 102 are the width layout along collision prevention girders body 101, the width of collision prevention girders body 101 Paralleling with Z-direction in degree direction, the length direction of collision prevention girders body 101 is paralleled with Y-direction, the length direction of energy-absorbing body 103 and X To parallel.

As shown in Figure 4 and Figure 5, the cross section of energy-absorbing body 103 is octagon structure, and energy-absorbing body 103 has eight Sidewall, two energy-absorbing bodys 103 in Z-direction for being symmetrical arranged.Between adjacent two sidewalls of energy-absorbing body 103, there is a circle The incline line of arcuation, eight incline lines of energy-absorbing body 103 be circumferentially followed successively by first incline line the 105, second incline line 106, 3rd incline line the 107, the 4th incline line the 108, the 5th incline line the 109, the 6th incline line 110, heptalateral crest line 111 and the 8th side Crest line 112, two energy-absorbing bodys 103 are connected by the sidewall between the first incline line 105 and the 8th incline line 112, Forming cross section is the integrative-structure of the figure of eight, and the energy-absorption box 102 of formation is internal has two skies separated by this sidewall Chamber.

As shown in Figure 4 and Figure 5, the sidewall of energy-absorbing body 103 is provided with the crumple that the inside of energy-absorbing body 103 is protruded Muscle 104, crumple muscle 104 is preferably triangular structure.Crumple muscle 104 is set, energy-absorption box 102 can be made to reach according to bursting of setting Contracting mode carries out the purpose of crumple, improves energy-absorbing effect further.

As shown in Figure 4 and Figure 5, the sidewall of two energy-absorbing bodys 103 is respectively provided with a crumple muscle 104, two crumple muscle 104 are on the same straight line paralleled with Z-direction and for being arranged symmetrically with in Z-direction.On each energy-absorbing body 103, crumple muscle 104 is initially towards the internal recess of energy-absorbing body 103 and towards the two of the 3rd incline line 107 both sides at the 3rd incline line 107 Individual sidewall extends and is formed.

As it is shown on figure 3, crumple muscle 104 is disposed in proximity to the position, end being connected with collision prevention girders body 101 of energy-absorbing body 103 Put place.Collision prevention girders body 101 uses aluminium section bar to pass through bending and molding, has good rigidity, lightweight advantage, makes anticollision beam assembly 100 meet car load lightweight requirements.

As it is shown on figure 3, collision prevention girders body 101 is connected with the front end of two energy-absorbing bodys 103, collision prevention girders installing plate 113 with The rear end of two energy-absorbing bodys 103 connects, collision prevention girders installing plate 113 after being used for being positioned at front anticollision beam assembly on body frame The front longitudinal assembly 200 of side connects.Collision prevention girders installing plate 113 uses aluminium plate to make, lightweight.

As shown in Figure 6, for the front anticollision beam assembly 100 of the second structure, the front anticollision beam assembly 100 of this structure and figure Shown in 3, the main difference of the front anticollision beam assembly 100 of the first structure is, collision prevention girders body 101 uses cross section to be mesh The aluminium section bar of font is made and inside has cavity, and the collision prevention girders body 101 using the aluminium section bar of mesh font to make has rigidity Advantage good, lightweight, that energy-absorbing effect is good.

As shown in Figure 7 to 9, front longitudinal assembly 200 includes along X to the leading portion shrouding 204 being sequentially connected with, front longitudinal leading portion 201, stage casing shrouding 205, front longitudinal stage casing 202 and front longitudinal back segment 203, front longitudinal leading portion 201, front longitudinal stage casing 202 and front Longeron back segment 203 uses aluminium section bar to make and inside has cavity.

As shown in Figure 7 and Figure 8, front longitudinal leading portion 201, front longitudinal stage casing 202 and front longitudinal back segment 203 are along longitudinally setting successively Putting, the leading section in front longitudinal stage casing 202 is connected by stage casing shrouding 205 is fixing with the rearward end of front longitudinal leading portion 201, and front vertical Beam leading portion 201 and front longitudinal stage casing 202 are in X on the same straight line paralleled.Front longitudinal back segment 203 is relative to front longitudinal Stage casing 202 is for being obliquely installed, and front longitudinal back segment 203 is that the rear side inclined downward towards front longitudinal stage casing 202 extends, in front longitudinal The rearward end of section 202 is fixing with the upper end of front longitudinal back segment 203 to be connected, and the bottom of front longitudinal back segment 203 is indulged before being positioned at On rear side of beam stage casing 202, the floor front beam 301 of obliquely downward is fixing connects.Floor front beam 301 prolongs along Y-direction for bottom body frame The parts stretched, between the floor front beam 301 two sill strips bottom body frame, sill strip is to the portion extended along X Part.Front longitudinal back segment 203 is arranged to heeling condition, front longitudinal leading portion 201 and front longitudinal stage casing 202 at front longitudinal back segment 203 Top is transmitted along X to the power of extension, beneficially head-on crash on floor front beam 301.

As shown in figures 7 and 12, front longitudinal leading portion 201 is to be octagon and both ends open, inside by two cross sections The body of hollow is formed by connecting, and by raw material extrusion molding during making, uses the firm of the front longitudinal leading portion 201 that aluminium section bar makes Spend, lightweight, make front longitudinal assembly 200 meet car load lightweight requirements.The length direction of front longitudinal leading portion 201 and X are to phase Parallel, two hollow body of front longitudinal leading portion 201 are for arranging and for being symmetrical arranged in Z-direction along Z-direction.Front longitudinal leading portion 201 The cross section of hollow body be octagon structure, hollow body has eight sidewalls, adjacent two sidewalls of hollow body Between there is the incline line of an arc-shaped.One sidewall of one hollow body and a sidewall phase of another hollow body Connecting, form the integrative-structure that cross section is the figure of eight, the inside of the front longitudinal leading portion 201 of formation has and is connected by this Two cavitys that sidewall separates.

As shown in Fig. 7, Figure 11 and Figure 12, front longitudinal stage casing 202 be by two cross sections be octagon and both ends open, The body of inner hollow is formed by connecting, and by raw material extrusion molding during making, uses the front longitudinal stage casing 202 that aluminium section bar is made Good rigidity, lightweight, make front longitudinal assembly 200 meet car load lightweight requirements.The length direction in front longitudinal stage casing 202 and X To parallel, two hollow body in front longitudinal stage casing 202 are for arranging and for being symmetrical arranged in Z-direction along Z-direction.Front longitudinal stage casing The cross section of the hollow body of 202 is octagon structure, and hollow body has eight sidewalls, adjacent two sides of hollow body There is between wall the incline line of an arc-shaped.One sidewall of one hollow body and a sidewall of another hollow body Being connected, form the integrative-structure that cross section is the figure of eight, the inside in the front longitudinal stage casing 202 of formation has and is connected by this Two cavitys separating of sidewall.

As it is shown in fig. 7, front longitudinal leading portion 201 and beam body that front longitudinal stage casing 202 is both ends open, inner hollow, front vertical The leading section of beam leading portion 201 is welded to connect with leading portion shrouding 204, and leading portion shrouding 204 is anti-for front anticollision beam assembly 100 Hitting the fixing connection of beam installing plate 113, the rearward end of front longitudinal leading portion 201 is welded to connect with stage casing shrouding 205, front longitudinal stage casing The leading section of 202 is welded to connect with stage casing shrouding 205, and the rearward end in front longitudinal stage casing 202 is welded to connect with back segment shrouding 206, Leading portion shrouding 204, stage casing shrouding 205 and back segment shrouding 206 all use aluminium plate to make, lightweight.

As shown in Fig. 7, Figure 10 and Figure 11, the front end face 210 in front longitudinal stage casing 202 is positioned at the surface patch of stage casing shrouding 205 Close and with X, there is in perpendicular plane, the rear end face 211 in front longitudinal stage casing 202 two octagonal openings, back segment shrouding 206 contact with rear end face 211 and by the two closure of openings, the rear end face 211 in front longitudinal stage casing 202 is relative to front end face 210 For towards front longitudinal stage casing 202 rear side inclined downward extend tapered plane, rear end face 211 and X between angle be acute angle Or obtuse angle, and rear end face 211 and X between angle and the length direction of front longitudinal back segment 203 and X between corner dimension Equal.The intrusion volume of front apron when central collision can be reduced in the front longitudinal stage casing 202 of this structure, it is ensured that member's vivosphere.

As shown in Figure 13 and Figure 14, front longitudinal back segment 203 includes being surrounded the hollow body and setting formed by multiple sidewalls Reinforcement in hollow body, the inner chamber of hollow body is separated into multiple independent cavity by reinforcement, uses aluminium section bar system The good rigidity, lightweight of the front longitudinal back segment 203 become, makes front longitudinal assembly meet car load lightweight requirements.In the present embodiment, Front longitudinal back segment 203 includes being surrounded, by four sidewalls, the hollow body formed and two crosses being arranged in hollow body are strengthened Muscle 215, the cross section of hollow body is rectangle, and two cross reinforcements 215 are arranged side by side and are connected, two cross reinforcements 215 and the rectangular inner cavity of hollow body is separated into six independent cavitys.

As shown in Fig. 7, Figure 13 and Figure 14, the upper end of front longitudinal back segment 203 is provided with and allows front longitudinal stage casing 202 locally embedding Storage tank 207, the rearward end in front longitudinal stage casing 202 is welded to connect with front longitudinal back segment 203 at storage tank 207.This houses Groove 207 is that the internal recess starting downward front longitudinal back segment 203 from the upper surface of front longitudinal back segment 203 is formed, and passes through Cutting processing molding on aluminium section bar.Storage tank 207 is preferably U-lag, with the shape phase of the octagon body in front longitudinal stage casing 202 Adapting to, the inwall of storage tank 207 includes the first locating surface the 212, second locating surface 213 and the 3rd locating surface being distributed that take the shape of the letter U 214, the first locating surface 212 and the 3rd locating surface 214 are for being oppositely arranged, and the second locating surface 213 is positioned at the first locating surface 212 and Between three locating surfaces 214 and both sides of the edge are connected with the lower limb of the first locating surface 212 and the 3rd locating surface 214, the second location Angle between face 213 and the first locating surface 212 and the 3rd locating surface 214 is 135 degree, the second locating surface 213 be to phase with X Parallel plane.First locating surface the 212, second locating surface 213 and the 3rd locating surface 214 respectively with the end in front longitudinal stage casing 202 A sidewall laminating in continuous three sidewalls in portion.Therefore by arranging storage tank 207 with front in the upper end of front longitudinal back segment 203 Matching in longeron stage casing 202, contact area is big, it is simple to it is fixed to carry out when front longitudinal back segment 203 assembles with front longitudinal stage casing 202 Position, makes front longitudinal back segment 203 dock with front longitudinal stage casing 202 accurately and rapidly, improves efficiency of assembling, improves front longitudinal back segment 203 with the bonding strength in front longitudinal stage casing 202 and reliability.

As it is shown in fig. 7, what front longitudinal assembly 200 also included being welded to connect with front longitudinal stage casing 202 and front longitudinal back segment 203 Reinforcing plate 208.Reinforcing plate 208 is arranged at the lower section in front longitudinal stage casing 202, a part for reinforcing plate 208 and front longitudinal stage casing 202 Bottom welding connect, another part is welded to connect with the upper end of front longitudinal back segment 203, raising front longitudinal back segment 203 with front The bonding strength in longeron stage casing 202 and reliability.

As it is shown in fig. 7, front longitudinal assembly 200 also includes the support beam 209 being connected with front longitudinal back segment 203, support beam 209 The both sides of front longitudinal back segment 203 it are arranged at along Y-direction.The leading section of support beam 209 is welded to connect with front longitudinal back segment 203, rear end Portion is welded to connect with floor front beam 301.

As depicted in figs. 1 and 2, front longitudinal assembly 200 arranges parallel two along Y-direction, two front longitudinal assemblies 200 The bottom of front longitudinal back segment 203 is welded to connect with the floor front beam 301 of rear side, front longitudinal leading portion 201 and front longitudinal stage casing 202 front upper places being positioned at floor front beam 301.

As shown in figure 15, side wall assembly includes A post assembly 404, B-pillar assembly 405, C post assembly 406 and sill strip assembly 407.As shown in figure 16, A post assembly 404 includes A column 4401 and starts to extend to C post assembly 406 from A column 4401 And the top side rail 4404 being connected with B-pillar assembly 405 and C post assembly 406, i.e. top side rail 4404 is the whole length along side wall assembly Direction is extended, and top side rail 4404 also uses aluminium section bar to make and inside has cavity.

As shown in Figure 15 and Figure 16, top side rail 4404 is the component being positioned at side wall assembly top, and sill strip assembly 407 is position Component bottom side wall assembly, top side rail 4404 and sill strip assembly 407 and A column 4401, B-pillar assembly 405 and C post are total Become 406 agent structures connecting and composing side wall assembly.The material of top side rail 4404 is aluminium section bar, by raw material extrusion molding, Then by there is the tubing of the cavity structure molded according to vehicle body design shape bending, top side rail 4404 can be formed.Such as figure Shown in 17 and Figure 18, top side rail 4404 includes being surrounded the hollow body that formed and the be arranged in hollow body by multiple sidewalls One reinforcement 4415, the inner chamber of hollow body is separated into multiple independent cavity by the first reinforcement 4415, uses aluminium section bar system The good rigidity, lightweight of the top side rail 4404 become, makes A post assembly 404 meet car load lightweight requirements.

Top side rail 4404 is uniform beam, and as shown in figure 18, top side rail 4404 has and is sequentially connected with its cross-sectional structure First back timber sidewall the 4407, second back timber sidewall the 4408, the 3rd back timber sidewall the 4409, the 4th back timber sidewall the 4410, the 5th back timber Sidewall the 4411, the 6th back timber sidewall 4412 and the 7th back timber sidewall 4413.First back timber sidewall 4407 and the second back timber sidewall 4408 are used for installing side bar ornamental strip 1300, and side bar ornamental strip 1300 can be installed to by the way of securing member and/or clamping On top side rail 4404, easy disassembly.B-pillar assembly 405 is connected with the 3rd back timber sidewall 4409 and the 4th back timber sidewall 4410, C post Assembly 406 is connected with the 3rd back timber sidewall 4409, and the 7th back timber sidewall 4413 is used for installing front windshield 1600 and top cover is total Becoming 900, the 6th back timber sidewall 4412 is for installing other beam body at body frame top, such as front windshield sill 600, sinciput horizontal stroke Beam 700, top cover middle transverse beam 800 and rear head piece 1000, front windshield 1600 is arranged on front windshield sill 600 and sinciput is horizontal On beam 700, top cover assembly 900 is arranged on front head piece 700, top cover middle transverse beam 800 and rear head piece 1000.

On body frame, there are two side wall assemblies, the top side rail 4404 of two side wall assemblies front windshield respectively 1600 and one end of top cover assembly 900 front windshield 1600 and top cover assembly 900 are provided and support, therefore as top side rail The width of the 7th back timber sidewall 4413 of the roof of 4404 with X to paralleling.As shown in figure 18, the 3rd back timber sidewall 4409 With the 4th back timber sidewall 4410 as the bottom wall portion of top side rail 4404 and with the 7th back timber sidewall 4413 for being oppositely arranged, first Back timber sidewall 4407 and the 6th back timber sidewall 4412 lay respectively at the side of the 7th back timber sidewall 4413 and towards the 7th back timber side The same side of wall 4413 extends, the first back timber sidewall 4407 and the 6th back timber sidewall 4412 for being oppositely arranged, the second back timber sidewall 4408 and the 5th back timber sidewall 4411 for being oppositely arranged.

As preferably, as shown in figure 18, the 5th back timber sidewall 4411 and the 6th back timber sidewall 4412 are as top side rail 4404 sidewalls being positioned at driver's cabin side, the 6th back timber sidewall 4412 is relative to the 7th back timber sidewall being substantially the level of state 4413 for being vertically arranged, the angle substantially 90 degree between the 6th back timber sidewall 4412 and the 7th back timber sidewall 4413, the 5th top Beam sidewall 4411 relative to the 7th back timber sidewall 4413 being substantially the level of state for being obliquely installed, the 5th back timber sidewall 4411 with Angle between 7th back timber sidewall 4413 is acute angle, and the 5th back timber sidewall 4411 is downwardly the 7th back timber sidewall The inner side inclined downward of 4413 extends, and the angle between the 5th back timber sidewall 4411 and the 6th back timber sidewall 4412 is obtuse angle, the The upper end of five back timber sidewalls 4411 is connected with the lower end of the 6th back timber sidewall 4412, the lower end of the 5th back timber sidewall 4411 deflection the Three back timber sidewalls 4409.5th back timber sidewall 4411 of top side rail 4404 is positioned at the above-head of occupant, and by the 5th back timber side It is to extend towards outside inclined downward that wall 4411 is disposed relative to occupant's head, such that it is able to it is empty to improve passenger's head Between, improve riding comfort.

As preferably, as shown in figure 18, for arc transition between be connected two back timber sidewalls of top side rail 4404 Connecting, the first back timber sidewall 4407 and the second back timber sidewall 4408 are arranged for V-arrangement, the 3rd back timber sidewall 4409 and the 4th back timber side Wall 4410 is arranged for V-arrangement, the first back timber sidewall the 4407, second back timber sidewall the 4408, the 3rd back timber sidewall 4409 and the 4th back timber Sidewall 4410 is relative to the 7th back timber sidewall 4413 being the level of state and is obliquely installed, the first back timber sidewall 4407 and second Angle between back timber sidewall 4408 is obtuse angle, and the angle between the second back timber sidewall 4408 and the 3rd back timber sidewall 4409 is blunt Angle, the angle between the 3rd back timber sidewall 4409 and the 4th back timber sidewall 4410 is obtuse angle, the 4th back timber sidewall 4410 and the 5th Angle between back timber sidewall 4411 is obtuse angle.

As preferably, as shown in figure 18, top side rail 4404 also has and is positioned at the first back timber sidewall 4407 and the 7th back timber The convex tendon 4414 projected above between sidewall 4413 and towards the outside of the 7th back timber sidewall 4413, convex tendon 4414 and the first back timber The end of sidewall 4407 and the end of the 7th back timber sidewall 4413 connect, and the width of convex tendon 4414 is less, convex tendon 4414 and top margin Seven back timber sidewalls of beam 4404 make the cross section of top side rail 4404 form closed ring structure.On top side rail 4404, protrusion is set Convex tendon 4414, can increase the size of top side rail 4404, improve the rigidity of top side rail 4404 entirety.

As preferably, as shown in figure 18, the inside of top side rail 4404 also has first reinforcement 4415, and first adds Strong muscle 4415 preferably cross section is criss-cross cross reinforcement, and cross reinforcement makes top side rail 4404 be internally formed four solely Vertical cavity.First reinforcement 4415 has four ends, the first end of the first reinforcement 4415 and the second back timber in the circumferential Sidewall 4408 connects, and the second end is at the junction of the 3rd back timber sidewall 4409 and the 4th back timber sidewall 4410 and the 3rd back timber sidewall 4409 and the 4th back timber sidewall 4410 connect, the 3rd end is in the 5th back timber sidewall 4411 and the junction of the 6th back timber sidewall 4412 Being connected with the 5th back timber sidewall 4411 and the 6th back timber sidewall 4412, the 4th end and the 7th back timber sidewall 4413 connect.

As preferably, A column 4401 uses aluminium section bar to make and inside has cavity.As shown in figure 16, A column 4401 for being vertically arranged, and the upper end of A column 4401 is connected with the front end of top side rail 4404 by A post attachment structure, lower end and The front end of sill strip assembly 407 connects.As shown in figure 19, A column 4401 includes being surrounded, by multiple sidewalls, the hollow pipe formed Body and the second reinforcement 4422 being arranged in hollow body, the inner chamber of hollow body is separated into multiple by the second reinforcement 4422 Independent cavity, makes hollow body and the one extrusion molding of the second reinforcement 4422 by raw material during making.Use aluminium section bar The good rigidity of the A column 4401 made, lightweight, make A post assembly 404 meet car load lightweight requirements.

A column 4401 essentially uniform beam, as shown in figure 20, A column 4401 has successively its cross-sectional structure A post sidewall the 4416, the 2nd A post sidewall the 4417, the 3rd A post sidewall the 4418, the 4th A post sidewall the 4419, the 5th A post connected Sidewall 4420 and the 6th A post sidewall 4421, an A post sidewall 4416 and the 3rd A post sidewall 4418 for being oppositely arranged, the 2nd A post Sidewall 4417 and the 4th A post sidewall the 4419, the 5th A post sidewall 4420 and the 6th A post sidewall 4421 for being oppositely arranged, the 2nd A post Sidewall 4417 is also paralleled with the 6th A post sidewall 4421.Oneth A post sidewall 4416 is positioned at driver's cabin one as A column 4401 The sidewall of side, an A post sidewall 4416 is used for installing the parts such as instrument desk and car door, therefore the width of an A post sidewall 4416 Parallel with Y-direction in direction, length direction is paralleled with Z-direction.

As preferably, as shown in figure 20, an A post sidewall 4416 and the 3rd A post sidewall 4418 are parallel, the 2nd A post Sidewall 4417 is perpendicular with an A post sidewall 4416 and the 3rd A post sidewall 4418, the 2nd A post sidewall 4417 and the 6th A post side Wall 4421 is parallel.The width of the 2nd A post sidewall 4417 and the 6th A post sidewall 4421 and X to paralleling, length direction with Z-direction is parallel.The width of the 3rd A post sidewall 4418 is less than the width of an A post sidewall 4416, the width of the 6th A post sidewall 4421 Degree less than the width of the 2nd A post sidewall 4417, the 4th A post sidewall 4419 relative to the 2nd A post sidewall 4417 for being obliquely installed, the Angle between four A post sidewalls 4419 and the 3rd A post sidewall 4418 is obtuse angle.5th A post sidewall 4420 and the 6th A post sidewall 4421 is perpendicular, and one end of the 5th A post sidewall 4420 is connected with the 4th A post sidewall 4419 in the inner side of the 6th A post sidewall 4421, The other end is between the 6th A post sidewall 4421 and B-pillar assembly 405, and a part for the i.e. the 5th A post sidewall 4420 is positioned at hollow pipe Internal portion, another part stretches out along X to the outside towards hollow body, and the 5th A post sidewall 4420 is towards the 6th A post sidewall 4421 Outside extend part formed door opening seam limit.

As preferably, as shown in figure 20, the inside of A column 4401 also has second reinforcement 4422, and second Reinforcement 4422 preferably cross section is criss-cross cross reinforcement, and cross reinforcement makes A column 4401 be internally formed four Individual independent cavity.Second reinforcement 4422 has four ends, the first end of the second reinforcement 4422 and an A in the circumferential Post sidewall 4416 vertically connects, and the second end is vertical with the 2nd A post sidewall 4417 to be connected, and the 3rd end and the 3rd A post sidewall 4418 hang down Direct-connected connecing, the 4th end and the 5th A post sidewall 4420 connect.

As preferably, as shown in figure 21, A post assembly 404 also includes being arranged on A column 4401 and for installing tightly The sleeve nut 4423 of firmware, securing member is bolt, and the structure of sleeve nut 4423 is as well known in the skilled person Like that, do not repeat them here.Oneth A post sidewall 4416 of A column 4401 and the 3rd A post sidewall 4418 are provided with and allow sleeve spiral shell Female 4423 installing holes inserted, sleeve nut 4423 is to load in installing hole by the way of extruding, sleeve nut 4423 and with Installing hole is interference fit.By pre-setting sleeve nut 4423, provide convenient for installing other parts, improve and effect is installed Rate.

As shown in Figure 15 and Figure 16, A post assembly 404 also includes that the A post being connected with A column 4401 and top side rail 4404 connects Access node structure, A post attachment structure includes A post tie-beam 4403 and is connected with A post tie-beam 4403 and for the A post that is oppositely arranged even Connecing inner panel (not shown) and A post connects outside plate 4402, A post connects outside plate 4402 and is positioned at the outside of A post connection inner panel.A post Tie-beam 4403 extends along X to the front towards A column 4401 and both length direction is perpendicular, A post tie-beam 4403 The upper end of rear end and A column 4401 be welded to connect, the front end of top side rail 4404 is welded with the front end of A post tie-beam 4403 even Connecing, the rear end of top side rail 4404 is welded to connect with C post assembly 406.A post tie-beam 4403 is preferably and uses aluminium section bar to make, A post Tie-beam 4403 is uniform beam, the cross section of A post tie-beam 4403 be rectangle, uses the A post tie-beam that aluminium section bar is made The good rigidity of 4403, lightweight, make A post assembly 404 meet car load lightweight requirements.

As shown in Figure 15 and Figure 16, A post connects inner panel and A post connects outside plate 4402 and uses aluminium plate to make, in A post connects The structure that plate and A post connect outside plate 4402 is essentially identical, have a generally triangular shape structure, and A post connects inner panel and is positioned at A post connection outside plate The inner side of 4402, A post connects outside plate 4402 and A post tie-beam 4403, the 3rd A post side of top side rail 4404 and A column 4401 Wall 4418 is welded to connect, and A post connects inner panel and A post tie-beam 4403, an A post side of top side rail 4404 and A column 4401 Wall 4416 is welded to connect, and has certain spacing, form cavity, it is ensured that knot between A post connection inner panel and A post connection outside plate 4402 Structure intensity has good side impact energy-absorbing effect simultaneously.

As shown in figure 22, A post connect outside plate 4402 and A post connect inner panel have one location hole 4425 and one for pacifying The installing hole 4424 of dress beater or beat-up 1200, hole 4425, location is to connect when outside plate 4402 and A post connects inner panel assembling for A post to rise To positioning action, position hole 4425 and be positioned at the rear side oblique upper of installing hole 4424.

As shown in figure 16, A post assembly 404 also includes the front support beam 4405 being arranged at below A post tie-beam 4403 and sets It is placed in the front buttress brace 4406 below front support beam 4405, A post tie-beam 4403 and front support beam 4405 is parallel and both edges Same direction extends towards the front side of A column 4401, and the rear end of front support beam 4405 is welded to connect with A column 4401.Before Buttress brace 4406 is to be obliquely installed in the lower section of front support beam 4405, and the upper end of front buttress brace 4406 is welded with front support beam 4405 Connecting, lower end is welded to connect with A column 4401.The front support beam 4405 of A post assembly 404 is before for being arranged on body frame Cabin inner part provides and supports, front buttress brace 4406 the support strength that can improve front support beam 4405 is set.

As shown in Figure 15 and Figure 23, B-pillar assembly 405 includes the B column 4501 being connected with top side rail 4404 and props up with B post The B post buttress brace 4502 that post 4501 connects, B column 4501 and B post buttress brace 4502 uses aluminium section bar to make and inside has Cavity, B column 4501 is for being vertically arranged, and the upper end of B column 4501 is welded to connect with top side rail 4404, lower end and sill strip The rear end of assembly 407 connects.As shown in figure 25, B column 4501 includes being surrounded, by multiple sidewalls, the B column jecket body formed 4503 and the 3rd reinforcement 4507 that is arranged in a B column jecket body 4503, the 3rd reinforcement 4507 is by a B column jecket body 4503 Inner chamber be separated into multiple independent cavity, make B column jecket body 4503 and the 3rd reinforcement 4507 by raw material during making Integrally extrusion molding.B post buttress brace 4502 mainly includes being surrounded, by multiple sidewalls, the 2nd B column jecket body 4505 formed and arranging The 4th reinforcement 4508 in the 2nd B column jecket body 4505, the inner chamber of the 2nd B column jecket body 4505 is separated by the 4th reinforcement 4508 Become multiple independent cavity, during making, make the 2nd B column jecket body 4505 and the 4th reinforcement 4508 integrally be extruded into by raw material Type.Use the good rigidity of B the column 4501 and B post buttress brace 4502 made of aluminium section bar, lightweight, make B-pillar assembly 405 meet Car load lightweight requirements, and B post buttress brace 4502 can also improve the bulk strength of B-pillar assembly 405.

Oneth B column jecket body 4503 is uniform beam, its cross-sectional structure as shown in figure 25, a B column jecket body 4503 be by Four sidewalls surround the hollow body formed, and the cross section of a B column jecket body 4503 is rectangle.Oneth B column jecket body 4503 Inside be additionally provided with two the 3rd reinforcements 4507, the 3rd reinforcement 4507 preferably cross section is the reinforcement of in-line, The width of three reinforcements 4507 is paralleled with Y-direction, and the 3rd reinforcement 4507 makes the inner chamber of a B column jecket body 4503 be separated into Three independent cavitys, the B column 4501 of formation is beam body that cross section is mesh font.

2nd B column jecket body 4505 is also uniform beam, and as shown in figure 25, the 2nd B column jecket body 4505 is its cross-sectional structure Surrounded the hollow body formed by six sidewalls, and the cross section of the 2nd B column jecket body 4505 is convex shape.2nd B column jecket body The inside of 4505 is additionally provided with the 4th reinforcement 4508, and the 4th reinforcement 4508 preferably cross section is the reinforcement of in-line Muscle, the width of the 4th reinforcement 4508 parallels with Y-direction, and the 4th reinforcement 4508 makes the inner chamber of the 2nd B column jecket body 4505 It is separated into large and small two independent cavitys.

As shown in Figure 15 and Figure 23, the length of B post buttress brace 4502 is less than the length of B column 4501, B post buttress brace 4502 are welded to connect with B column 4501 at the rear side of B column 4501, and the lower end of B post buttress brace 4502 is the most total with sill strip 407 are become to be welded to connect.B column 4501 also includes the first extension 4504, B being connected with the lower end of a B column jecket body 4503 Post buttress brace 4502 also includes the second extension 4506 being connected with the lower end of the 2nd B column jecket body 4505, the first extension 4504 And there is between the second extension 4506 in Y-direction spacing and this spacing forms the locating slot allowing sill strip assembly 407 embed.The The lower surface of one B column jecket body 4503 and the lower surface alignment of the 2nd B column jecket body 4505, the first extension 4504 is from a B post The lower surface of body 4503 starts to be downwardly extending, and the first extension 4504 is also formed in one with a B column jecket body 4503, Second extension 4506 is to start to be downwardly extending from the lower surface of the 2nd B column jecket body 4505, the second extension 4506 and with 2nd B column jecket body 4505 is formed in one.Matched formation locating slot by the first extension 4504 and the second extension 4506, Be easy to when B-pillar assembly 405 is assembled with sill strip assembly 407 position, make B-pillar assembly 405 accurately and rapidly with sill strip Assembly 407 grafting, improves efficiency of assembling.

Owing to the 3rd back timber sidewall 4409 and the 4th back timber sidewall 4410 of top side rail 4404 are inclined-plane, so propping up at B post The upper end of post 4501 is provided with and allows the v-depression that snaps in of top side rail 4404 local, and B column 4501 is at v-depression and top side rail 4404 welding.As shown in Figure 26 and Figure 27, this v-depression is that the end face from B column 4501 starts downwardly B column The internal recess of 4501 is formed, and by cutting processing molding on aluminium section bar, the inwall of v-depression includes V-shaped layout First installed surface 4509 and the second installed surface 4510, the first installed surface 4509 and the second installed surface 4510 are tapered plane, the first peace The lower end connection of dress face 4509 and the second installed surface 4510 and angle between the two are less than 180 degree.First installed surface 4509 is Fitting with the 4th back timber sidewall 4410 of top side rail 4404, the second installed surface 4510 is the 3rd back timber sidewall with top side rail 4404 4409 laminatings.Therefore matching with top side rail 4404 by arranging v-depression in the upper end of B column 4501, contact area is big, Be easy to when B-pillar assembly 405 is assembled with top side rail 4404 position, make B-pillar assembly 405 accurately and rapidly with top side rail 4404 docking, improve efficiency of assembling, improve B-pillar assembly 405 and the bonding strength of top side rail 4404 and reliability.

As shown in Figure 15 and Figure 28, C post assembly 406 includes the C column 4601 being connected with top side rail 4404, C column 4601 employing aluminium section bars make and inside has cavity.C column 4601 for being vertically arranged, the upper end of C column 4601 and top Side bar 4404 is welded to connect.As shown in figure 29, C column 4601 mainly include by multiple sidewalls surround the hollow body that formed with The 5th reinforcement 4602 being arranged in hollow body, the inner chamber of hollow body is separated into multiple independence by the 5th reinforcement 4602 Cavity, during making by raw material make hollow body and the 5th reinforcement 4602 one extrusion molding.Employing aluminium section bar is made C column there is good rigidity, lightweight advantage, make C post assembly 406 meet car load lightweight requirements.

C column is uniform beam, and as shown in figure 29, C column includes being surrounded shape by four sidewalls its cross-sectional structure The hollow body become and the 5th reinforcement 4602 being arranged in hollow body, the 5th reinforcement 4602 arranges one, slender acanthopanax Strong muscle 4602 preferably cross section is the reinforcement of in-line, and the width of the 5th reinforcement 4602 is paralleled with Y-direction, the 5th What reinforcement 4602 made C column is internally formed two independent cavitys, the C column of formation be cross section be the beam of day font Body.

As shown in figure 28, C post assembly 406 also includes the C post connecting plate being connected with top side rail 4404 and C column 4601 4603, C post connecting plates 4603 use aluminium plate to make, and C post connecting plate 4603 is positioned at the inner side of C column 4601 (near driving The side of room), the upper end of C post connecting plate 4603 is welded to connect with the 6th back timber sidewall 4412 of top side rail 4404, C post connecting plate The lower end of 4603 is welded to connect with the medial surface (near the side of driver's cabin side) of C column 4601, C column 4601 Upper surface is the tapered plane of the 3rd back timber sidewall 4409 laminating with top side rail 4404 and is welded to connect with top side rail 4404, C post Connecting plate 4603 improves C post assembly 406 and the bonding strength of top side rail 4404 and reliability.

As shown in figure 28, C post assembly 406 also includes the first support beam being connected with C column 4601 and B-pillar assembly 405 4604 and C columns 4601 connect and are positioned at the second support beam 4605 below the first support beam 4604, the first support beam 4604 underfaces being positioned at top side rail 4404, the first support beam 4604 also parallels with the second support beam 4605, the first support beam 4604 and second support beam 4605 all use aluminium section bar to make.First support beam 4604 is propped up with B post at C column 4601 for horizontal Beam body between post 4501, the front end of the first support beam 4604 is welded to connect with B column 4501, after the first support beam 4604 End is welded to connect with C column 4601.The front end of the second support beam 4605 is welded to connect with B post buttress brace 4502, and second supports The rear end of beam 4605 is welded to connect with the lower end of C column 4601, and the second support beam 4605 preferably cross section is day font Beam body.First support beam 4604 and can improve the bulk strength of C post assembly 406 with arranging of the second support beam 4605, improves C The bonding strength of post assembly 406 and B-pillar assembly 405 and reliability.

As shown in figure 38, side wall assembly 400 also includes being arranged at the rear buttress brace 410 below the second support beam 4605, after Buttress brace 410 for be obliquely installed in the top of sill strip assembly 407, the upper end of rear buttress brace 410 and the second support beam 4605 Being welded to connect, lower end is welded to connect with B post buttress brace 4502, and the rear side that the second support beam 4605 is positioned at sill strip assembly 407 is oblique Top, rear buttress brace 410 the bulk strength that can improve C post assembly 406 is set.

As shown in figures 30 and 31, sill strip assembly 407 includes that sill strip body 4701, sill strip body 4701 are level Arranging, the front end of sill strip body 4701 is welded to connect with the lower end of A column 4401, the rear end of sill strip body 4701 and B Column 4501 and B post buttress brace 4502 is welded to connect.As shown in figure 33, sill strip body 4701 includes being surrounded by multiple sidewalls The hollow body formed and the 6th reinforcement being arranged in hollow body, the inner chamber of hollow body is separated into by the 6th reinforcement Multiple independent cavitys, make hollow body and the one extrusion molding of the 6th reinforcement by raw material during making.Use aluminium section bar The advantage that the sill strip body 4701 made has good rigidity, lightweight, side impact energy-absorbing is effective, makes sill strip assembly 407 full Foot car load lightweight requirements.

As shown in figures 30 and 31, sill strip body 4701 is internal is provided with the battery fixing structure for self-contained battery.Electricity Pond fixed structure is arranged on the inside of sill strip body 4701, and relatively conventional to be arranged on sill strip body 4701 outside, and structure is steady Fixed reliable, and save sill strip lower space.

As shown in figs. 33 and 34, it is provided with in sill strip body 4701 for sill strip body 4701 inside division is become one 6th reinforcement of group cavity, the 6th reinforcement is T-shaped reinforcement.Battery fixing structure is located at sill strip body 4701 bottom Cavity in, be i.e. arranged on the base plate of sill strip.

As shown in figs. 33 and 34, the end face of sill strip body 4701 is provided with the projection of hollow, protruding and sill strip body 4701 are formed in one, protruding for inserting the first extension 4504 by B-pillar assembly 405 and the second extension 4506 formed In locating slot, the lower surface of a B column jecket body 4503 and the 2nd B column jecket body 4505 and the laminating of protruding end face, the first extension 4504 and second extension 4506 respectively with a protruding side laminating, the first extension 4504 and the second extension 4506 Lower surface the end face with sill strip body 4701 are fitted, the lower end structure of B-pillar assembly 405 and sill strip body 4701 and projection It is welded to connect.

As shown in figs. 33 and 34, the two ends of sill strip body 4701 are equipped with shrouding, and shrouding is respectively front shrouding 4707 With rear shrouding 4706, two shroudings are aluminium sheet, and weight is little.

Sill strip body 4701 one end is connected with A column 4401, sill strip body 4701 other end and B-pillar assembly 405 Being connected, the lower end of A column 4401 and sill strip body 4701 is all stuck in projection, and by being weldingly connected, connects reliable.Door The projection of sill beam body 4701 is provided with bottom seam, and is located at protruding one end and is provided with for the side on A column 4401 only The seam connecting plate 4708 that mouth is connected, improves the structural strength of seam.

As shown in Figure 33 and Figure 36, battery fixing structure includes nutplate mounting bar 4703 and is located at nutplate mounting bar Nutplate 4704 installed by battery on 4703, and nutplate mounting bar 4703 is fixed on the base plate of sill strip body 4701, base plate It is provided with, with battery, the through hole that the screw in nutplate 4704 is corresponding is installed.

As shown in Figure 33 and Figure 36, the base plate of sill strip body 4701 is provided with draw-in groove, and nutplate mounting bar 4703 is inserted in In draw-in groove, nutplate mounting bar 4703 installing/dismounting is easy, facilitates follow-up maintenance.Nutplate mounting bar 4703 is provided with a pair card Son, battery installation nutplate 4704 is stuck in a pair clamp, and nutplate 4704 simple installation installed by battery, and nutplate installed by battery 4704 are provided with project-welding nut.All parts is individual components, by fitting together, and simple in construction, it is simple to processing, make Low cost, it is simple to follow-up maintenance is changed.

As shown in Figure 33 and Figure 36, nutplate 4704 installed by battery is one group, and uniform intervals is located at nutplate mounting bar On 4703, after nutplate mounting bar 4703 inserts draw-in groove, nutplate mounting bar 4703 two ends are fixed on by the rivet 705 loosed core On the base plate of sill strip.The screw that bolt on battery frame is installed in nutplate 4704 with battery matches, and carries out battery Fixing, sill strip uniform force, battery is fixing reliable.And whole battery fixing structure is positioned in sill strip body 4701, no Take space outerpace, convenient installation.

As shown in figures 30 and 31, lifting fixed mount 4702, i.e. lifting it are equipped with below sill strip body 4701 two ends solid Determine on the bottom surface of the base plate that frame 4702 is fixed on sill strip body 4701, on nutplate mounting bar 4703 and lifting fixed mount 4702 Staggering in lower position, lifting fixed mount 4702 is arranged by the outside of sill strip, and nutplate mounting bar 4703 sets by the inner side of sill strip Putting, it is ensured that the structural strength of sill strip body 4701, lifting fixed mount 4702 is aluminium profile structure, lightweight.Nutplate is installed Bar 4703 and seam connecting plate 4708 are aluminium sheet structure, and weight is little, beneficially electric automobile lightweight.

As shown in figures 30 and 31, two lifting fixed mounts 4702 are positioned at the two ends of sill strip, are wherein positioned at the act of front portion Rising fixed mount 4702 and be positioned at the underface of A column 4401, the lifting fixed mount 4702 being positioned at rear portion is positioned at B-pillar assembly 405 Underface, when being lifted vehicle body by lifting fixed mount 4702, the stress of two ends lifting fixed mount 4702 passes through sill strip respectively Passing in A column 4401 and B-pillar assembly 405, reliable and stable, sill strip assembly 407 is difficult to flexural deformation.

As shown in figure 15, side wall assembly 400 also includes the vehicle door bonnet lock erecting device 408 being arranged in B-pillar assembly 405, For installing the snap close of car door door lock.As shown in Figure 40 to Figure 44, this vehicle door bonnet lock erecting device 408 includes snap close installing plate 4801, latch 4802, locking nut plate 4803, snap close installing plate 4801 is box like structure, latch 4802 and buckling nut Plate 4803 is positioned at box like structure, and snap close installing plate 4801 is provided with installing hole, and locking nut plate 4803 is provided with and installing hole The corresponding project-welding nut for fixing snap close, locking nut plate 4803 is located at snap close installing plate 4801 by latch 4802 Inner side, has for locking nut plate 4803 adjusting position between edge and latch 4802 inner edge of locking nut plate 4803 Gap.Locking nut plate 4803 position in lock catch mounting structure can be finely adjusted, it is simple to the installation of vehicle door bonnet lock.

As shown in Figure 40 to Figure 44, formed inside latch 4802 and snap close installing plate 4801 and be used for placing locking nut plate The cavity of 4803, latch 4802 is provided with flange, by flanging welded inside snap close installing plate 4801, other side of locking board While be flanging, carrying out spacing by flanging and flange to locking nut plate 4803, latch 4802 does not compress locking nut plate 4803, locking nut plate 4803 can carry out fine position.

As shown in Figure 40 to Figure 44, latch 4802 is provided with through hole, and the project-welding nut on locking nut plate 4803 passes Through hole, snap close installing plate 4801 is provided with installing hole, and the through hole on latch 4802 is corresponding with installing hole.Project-welding nut passes Locking nut plate 4803 in cavity is positioned by through hole, it is ensured that the position of locking nut plate 4803 can only be finely tuned, and snap close is pacified Dress convenient fixing.As preferably, snap close installing plate 4801 and locking nut plate 4803 and latch 4802 are aluminium sheet knot Structure, weight is little, beneficially electric automobile lightweight.

As shown in Figure 40 to Figure 44, snap close installing plate 4801 is provided with for being fixed on the flange on B post buttress brace 4502. The flanging arranged on snap close installing plate 4801 is connected with B post buttress brace 4502, the in-flanges that snap close installing plate 4801 is arranged Being connected with B column 4501, snap close installing plate 4801 is fixing reliable, and can strengthen B column 4501.Snap close is installed Plate about 4801 two ends are equipped with flange, and the flange at upper and lower two ends is fixed in the profile of small rectangle, snap close installing plate 4801 Flanging is fixed on big rectangular profile, and fixing different profile improves the fixing intensity of snap close installing plate 4801.

As shown in Figure 15 and Figure 39, side wall assembly 400 also includes door opening seam assembly 409, and this door opening seam assembly 409 wraps Seam 4905 on the door include seam 4901 under the door in the projection being located at sill strip assembly 407, being located on top side rail 4404, it is located at Seam in front of the door 4903 on A column 4401 and seam 4902 behind the door being located on B column 4501, wherein, seam under door 4901, on door seam 4905, in front of the door seam 4903 and behind the door seam 4902 be aluminium sheet structure, it is ensured that certain thickness is relative Traditional steel plate seam is lightweight, and structural strength can ensure simultaneously.The lower seam 4901 of door is integrated with sill strip body 4701 Molding, seam 4903 is that the 5th A post sidewall 4420 stretches out the part outside the 6th A post sidewall 4421, door opening seam assembly 409 in front of the door Structural strength can ensure that, save welding sequence, reduce cost.Lightweight, beneficially electric automobile lightweight, can effectively prolong Long electric automobile course continuation mileage, reduces use cost.

A column 4401 is connected by connecting plate with top side rail 4404, and seam 4903 passes through with seam on door 4905 in front of the door Before two gussets, seam 4904 is connected, and before two gussets, the inner side of seam 4904 is connected the connection of outside plate 4402 and A post respectively with A post Inner panel is connected, and A post connects outside plate 4402 and A post and connects the aluminium sheet structure that inner panel is triangle, and A post connects outside plate 4402 and A post The top connecting inner panel is connected with top side rail 4404, and A post connects outside plate 4402 and A post and connects bottom and the A column of inner panel 4401 connect, A post connect outside plate 4402 and A post connect the sidepiece of inner panel respectively with a gusset before the inner side phase of seam 4904 Even.As shown in figure 39, under the lower end of seam connecting plate 4708 and seam 4903 in front of the door and door, seam 4901 and front end are connected, behind the door The lower end of seam 4902 is connected with seam under door 4901 and rear end, seam 4904 and the front end of seam 4905 on door and door before gusset The upper end of front seam 4903 connects, and on door, the rear end of seam 4905 is connected with the upper end of seam 4902 behind the door, forms closed ring The door opening seam assembly 409 of structure.

As shown in Figure 15 and Figure 39, side wall assembly 400 also includes the first shrouding the 401, second shrouding 402 and the 3rd shrouding 403, the first shrouding 401 is positioned at the second shrouding 402 and top of the 3rd shrouding 403, and the second shrouding 402 and the 3rd shrouding 403 are It is arranged side by side and the 3rd shrouding 403 is positioned at the rear side of the second shrouding 402.First shrouding the 401, second shrouding 402 and the 3rd shrouding 403 use aluminium plate to make, the first shrouding 401 and top side rail 4404, B column the 4501, first support beam 4604 and C column 4601 are welded to connect, the second shrouding 402 and B column 4501, B post buttress brace 4502, rear buttress brace 410 and the first support beam 4604 are welded to connect, and the 3rd shrouding 403 is welded to connect with C column the 4601, first support beam 4604 and the second support beam 4605.

As shown in Fig. 1, Figure 45 and Figure 46, the front end of front floor assembly 300 is connected with front longitudinal assembly 200, and front floor is total The rear end of 300 and the front end of rear floor assembly 500 is become to connect.Front floor assembly 300 includes that floor front beam 301 and seat are horizontal Beam, floor front beam 301 arranges between the sill strip assembly 407 of two side wall assemblies 400, the two ends of floor front beam 301 with The front end of two sill strip assemblies 407 is welded to connect and the length of length direction and sill strip assembly 407 of floor front beam 301 Direction is perpendicular.Rear floor assembly 400 includes rear floor front beam 501, longitudinal floor beam 503 and rear Floor rear crossbeam after a pair 505, after a pair, longitudinal floor beam 503 is located between rear floor front beam 501 and rear Floor rear crossbeam 505 formation afterframe, floor Front beam 301, seat beam, rear floor front beam 501, rear longitudinal floor beam 503 and rear Floor rear crossbeam 505 all use aluminium profiles Material is made and inside has cavity.Wherein, rear floor front beam 501 is paralleled with floor front beam 301, rear floor front beam The two ends of 501 and the rear end of two sill strip assemblies 407, after subframe mounting rail 502 one end is welded on sill strip assembly 407 End, by sill strip transition, front floor assembly 300 is connected by rear floor front beam 501 is organic with door floor assembly 500.Before Floor assembly and rear floor assembly form whole Floor frame structure, it is ensured that overall structural strength.

As shown in Fig. 1, Figure 45 and Figure 46, floor front beam 301, a pair sill strip assembly 407, rear floor front beam 501 Being provided with front floor in the front baffle formed, floor front beam 301, a pair sill strip assembly 407, rear floor front beam 501 are The aluminium profile structure of hollow, front floor is aluminium sheet structure.Aluminium section bar passes through mould extrusion molding, and weight is little, and structural strength is big, has It is beneficial to electric automobile lightweight, can effectively extend electric automobile course continuation mileage, it is possible to decrease use cost.

Seat beam is along X to being arranged between floor front beam 301 and rear floor front beam 501, and seat beam is hollow Aluminium profile structure.As shown in Fig. 1, Figure 45 and Figure 46, seat beam includes seat front beam 302 and seat rear cross beam 303, seat Chair front beam 302 is provided with secondary instrument anti-rotation support 307, and secondary instrument anti-rotation support 307 is U-shaped support, enters secondary instrument rear end Row is fixing, prevents secondary instrument from rotating；Seat rear cross beam 303 is provided with parking brake mounting seat 308.Secondary instrument anti-rotation support 307 and hands Mounting seat of stopping 308 is aluminum component structure, lightweight.

As shown in Fig. 1, Figure 45 and Figure 46, floor front beam 301, seat front beam 302, seat rear cross beam 303, rear floor Front beam 501 be arranged in parallel mutually, horizontal before floor front beam 301, seat front beam 302, seat rear cross beam 303, rear floor Beam 501 is internal is equipped with reinforcement, and structural strength is big.

As shown in Fig. 1, Figure 45 and Figure 46, it is body before front floor between floor front beam 301 and seat front beam 302 304, seat front beam and seat rear cross beam are body 305 in front floor, are front between seat rear cross beam and rear floor front beam Body 306 behind floor.Front floor is divided into three independent sectors, it is ensured that the structural strength on floor.

As shown in Fig. 1, Figure 45 and Figure 46, rear floor assembly includes rear floor front beam 501, a pair subframe mounting rail 502, longitudinal floor beam 503 and rear Floor rear crossbeam 505 after a pair；Wherein, before longitudinal floor beam 503 is located at rear floor after a pair horizontal Forming framework between beam 501 and rear Floor rear crossbeam 505, i.e. rear longitudinal floor beam front end is welded on the front beam of rear floor, afterwards Plate longeron rear end is welded in rear Floor rear crossbeam.

Rear floor front beam 501, subframe mounting rail 502, rear longitudinal floor beam 503 and rear Floor rear crossbeam 505 are The aluminium profile structure of hollow, aluminium profile structure passes through mould extrusion molding, and weight is little, and structural strength is big, beneficially electric automobile Lightweight, can effectively extend electric automobile course continuation mileage, reduce use cost.The end of rear floor front beam 501 is welded on The rear portion of sill strip assembly 407 on vehicle body, subframe mounting rail 502 one end is connected with sill strip assembly 407 rear end, and subframe is pacified The dress beam other end is connected with the front portion of rear longitudinal floor beam, improves structural strength.

Being provided with rear floor middle 9 after a pair between longitudinal floor beam 503, it is right that the two ends of rear floor middle 9 are respectively welded On the rear longitudinal floor beam answered, rear floor middle is paralleled with rear Floor rear crossbeam and rear floor front beam.Horizontal stroke in rear floor Beam is also the aluminium profile structure of hollow.

Floor between rear floor middle and rear Floor rear crossbeam is bolted on crossbeam, overhauls lid after formation 509, rear maintenance lid is detachable, conveniently overhauls the parts below rear maintenance lid.Rear floor middle and rear floor Reinforcement longeron 506 it is provided with between front beam.The floor strengthened between longeron and rear longitudinal floor beam is fixed also by bolt, before formation Maintenance lid 507, rear maintenance lid is detachable, conveniently overhauls the parts below rear maintenance lid.Rear maintenance lid 509 It is aluminium sheet structure with front maintenance lid 507, and is provided with reinforcement in two lids, rear floor is divided into several independent part Point, lightweight, structural strength is big.Rear maintenance lid and front maintenance lid are dismountable cover plate, can dismantle down when needing Come, it is simple to control parts various to the motor below rear floor and motor overhaul.Strengthen longeron and rear longitudinal floor beam it Between be provided with web beam 508.Strengthening longeron to parallel with rear longitudinal floor beam, web beam is paralleled with rear floor front beam, adds Strong longeron and web beam are the aluminium profile structure of hollow, improve structural strength.

As it is shown in figure 1, front windshield sill 600, front head piece 700, top cover middle transverse beam 800 and rear head piece 1000 and two The top side rail 4404 of individual side wall assembly 400 connects and composes the top frame structure of body frame, front windshield sill 600, sinciput Crossbeam 700, top cover middle transverse beam 800 and rear head piece 1000 are to setting gradually along X, front windshield sill 600, front head piece 700, the length direction of top cover middle transverse beam 800 and rear head piece 1000 is paralleled with Y-direction.The two ends of front windshield sill 600 with The front end of two top side rails 4404 is welded to connect, and the two ends of rear head piece 1000 are welded with the rear end of two top side rails 4404 even Connecing, the two ends of front head piece 700 are welded to connect with two top side rails 4404 at the arc transition of top side rail 4404, horizontal in top cover The two ends of beam 800 are welded to connect with two top side rails 4404, and front windshield 1600 is arranged on front windshield sill 600 and sinciput On crossbeam 700, top cover assembly 900 is arranged on front head piece 700, top cover middle transverse beam 800 and rear head piece 1000, top cover assembly 900 is for closing by front head piece 700 and top cover middle transverse beam 800 and top cover middle transverse beam 800 and rear head piece 1000 and two Individual top side rail 4404 surrounds two openings formed.Front windshield sill 600, front head piece 700, top cover middle transverse beam 800 and after Head piece 1000 is employing aluminium section bar and makes and inside has cavity, has good rigidity, lightweight advantage, makes body frame Meet car load lightweight requirements.

As shown in figure 47, vehicle body exterior trimming parts is used for being exposed to outer surface on body frame and parts hide, and covers The multiple vehicle body exterior trimming parts being placed on body frame mainly include 1200, two threshold decorations of 1100, two beater or beat-ups of front bumper 1500, two rear side walls 1400 of bar and two side bar ornamental strips 1300.Front bumper 1200, two doors of 1100, two beater or beat-ups Sill ornamental strip 1500 and two rear side walls 1400 position on vehicle body is essentially identical with prior art, and front bumper 1100 is horizontal At vehicle body head position, beater or beat-up 1200 is arranged between front bumper 1100 and A post assembly, and threshold ornamental strip 1500 is arranged on On sill strip assembly, rear side wall 1400 is arranged on B-pillar assembly and C post assembly, and, beater or beat-up 1200 needs and front bumper 1100 and threshold ornamental strip 1500 splice, threshold ornamental strip 1500 need to splice with beater or beat-up 1200 and squab panel.Side bar ornamental strip 1300 are overlying on top side rail, side bar ornamental strip 1300 on top side rail for start to extend to the total with C post of top side rail from A column Becoming the end connected, be completely covered by top side rail along top side rail length direction, side bar ornamental strip 1300 is positioned at beater or beat-up 1200 With the top of rear side wall 1400, and side bar ornamental strip 1300 need to splice with beater or beat-up 1200 and rear side wall 1400.

As preferably, each several part of vehicle body exterior trimming parts can be combined by securing member, clamping or securing member and clamping Mode be installed on body frame, facilitate the dismounting of vehicle body exterior trimming parts each several part.

The electric automobile body structure of the present invention also has the advantage that

1, for all-aluminium body, vehicle body is lighter, and collision safety performance is more excellent；

2, the outer covering piece of aluminium section bar vehicle body framework construction+full composite material, body structure form is more excellent；

3, body frame uses aluminium section bar and aluminium sheet to make, it is not necessary to application, therefore invests without substantial amounts of application, permissible Realizing real car load integrated, goes into operation in quick strange land；

4, platform architecture is facilitated to extend, it is achieved the scalp of width and length embodies.

Front end involved by foregoing, rear end, X are to, the noun of locality such as Y-direction, Z-direction, and X is at automobile O-to, Y-direction and Z-direction Representing the length direction of automobile, width and short transverse in XYZ coordinate system respectively, the front end of all parts refers near car One end of head, rear end refers to the one end near the tailstock.Should be appreciated that the use of the described noun of locality should not limit the application and ask to protect The scope protected.

Above in association with accompanying drawing, the present invention is exemplarily described.Obviously, the present invention implements not by above-mentioned side The restriction of formula.As long as the improvement of the various unsubstantialities that the method design that have employed the present invention is carried out with technical scheme；Or not Improved, above-mentioned design and the technical scheme of the present invention are directly applied to other occasion, all in protection scope of the present invention Within.

Claims (10)

1. the body structure of electric automobile, it is characterised in that include body frame and be overlying on body frame and and body frame For multiple vehicle body exterior trimming parts of detachable connection, vehicle body exterior trimming parts uses macromolecular material to make.

The body structure of electric automobile the most according to claim 1, it is characterised in that described body frame includes that A post is total Become, B-pillar assembly and C post assembly, A post assembly includes A column and starts to extend to C post assembly and total with B post from A column Becoming and the top side rail of C post assembly connection, top side rail uses aluminium section bar to make and inside has cavity.

The body structure of electric automobile the most according to claim 2, it is characterised in that described top side rail includes by multiple sides Wall surrounds the hollow body formed and the first reinforcement being arranged in hollow body, and the first reinforcement is by the inner chamber of hollow body It is separated into multiple independent cavity.

The body structure of electric automobile the most according to claim 2, it is characterised in that described top side rail has and is sequentially connected with The first back timber sidewall, the second back timber sidewall, the 3rd back timber sidewall, the 4th back timber sidewall, the 5th back timber sidewall, the 6th back timber side Wall and the 7th back timber sidewall, the first back timber sidewall and the second back timber sidewall are used for being connected with exterior trimming parts, described B-pillar assembly and the 3rd Back timber sidewall and the 4th back timber sidewall connect, and described C post assembly and the 3rd back timber sidewall connect, and the 7th back timber sidewall is for front Windshield and top cover assembly connect.

The body structure of electric automobile the most according to claim 4, it is characterised in that described 5th back timber sidewall relative to Described 7th back timber sidewall is for being obliquely installed, and the angle between the 5th back timber sidewall and the 7th back timber sidewall is acute angle.

The body structure of electric automobile the most according to claim 5, it is characterised in that described 5th back timber sidewall is downward Extend towards the inner side inclined downward of described 7th back timber sidewall, the folder between the 5th back timber sidewall and described 6th back timber sidewall Angle is obtuse angle.

The body structure of electric automobile the most according to claim 5, it is characterised in that described top side rail also has and is positioned at institute State the convex tendon projected above between the first back timber sidewall and described 7th back timber sidewall and towards the 7th back timber sidewall, convex tendon and One back timber sidewall and the 7th back timber sidewall connect.

8. according to the body structure of the electric automobile described in claim 3 to 7, it is characterised in that have inside described top side rail Cross reinforcement, the inner chamber of top side rail is separated into four independent cavitys by cross reinforcement.

9. according to the body structure of the arbitrary described electric automobile of claim 2 to 8, it is characterised in that described A column uses Aluminium section bar is made and inside has cavity.

The body structure of electric automobile the most according to claim 9, it is characterised in that described A column includes by multiple Sidewall surrounds the hollow body formed and the second reinforcement being arranged in hollow body, and the second reinforcement is by hollow body Chamber is separated into multiple independent cavity.