CN107985422A - The body structure of getting off of pure electric automobile - Google Patents
The body structure of getting off of pure electric automobile Download PDFInfo
- Publication number
- CN107985422A CN107985422A CN201711307016.7A CN201711307016A CN107985422A CN 107985422 A CN107985422 A CN 107985422A CN 201711307016 A CN201711307016 A CN 201711307016A CN 107985422 A CN107985422 A CN 107985422A
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- Prior art keywords
- floor
- side bar
- getting
- sides
- body structure
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- 238000005452 bending Methods 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims description 4
- 230000002929 anti-fatigue Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention relates to a kind of body structure of getting off of pure electric automobile, belongs to Automobile Design and the technical field manufactured.The body structure of getting off of the pure electric automobile of the present invention, including preceding floor, rear floor, front longitudinal, side bar connecting plate and body sill side bar, body sill side bar is arranged on the both sides on preceding floor, and side bar connecting plate is arranged on the front end both sides for body structure of getting off and is connected with front longitudinal and body sill side bar；Further include extending beam before preceding floor, the both sides of extending beam are welded on the front end of front longitudinal before preceding floor, and the upper weld of extending beam is in the front end on preceding floor before preceding floor, and front longitudinal is connected on body sill side bar to bending extension on the outside of under body.The body structure of the present invention can increase the space of power battery to greatest extent, increase the capacity of power battery, and either head-on crash or side collision can effective distractive load, avoid the stress concentration of under body roof beam structure, improve the antifatigue damage capability of vehicle body.
Description
Technical field
The present invention relates to the technical field of Automobile Design and manufacture, it is more particularly related to a kind of pure electric vehicle vapour
The body structure of getting off of car.
Background technology
In order to ensure the collision performance of automobile and good body stiffness and mode, as shown in Figure 1, car of the prior art
There are the structure of multiple crossbeams 1,2 and vertical longeron 3,4,5 in body floor lower part both sides.This more longitudinal and cross beam structure shapes
Into multiple continuous force transferring structures, it can ensure that vehicle body has a good collision performance and good rigidity and mode.Pure
In electronic automobile, in order to meet to have good course continuation mileage, power battery needs enough electricity, such power battery
Length, width and height are all bigger.In order to meet the road clearance of automobile, battery tray bottom scratches, and ensures the safety of power battery, it is necessary to dynamic
The arrangement height of power battery is higher.Such arrangement can cause power battery and the longitudinal and cross beam of floor lower part to be interfered.Need
Cut off the longeron of floor lower part and delete the crossbeam of floor lower part.In order to avoid power battery, it is necessary to delete floor lower part
Longitudinal and cross beam structure, this structure can cause vehicle body not have continuous force transferring structure, cause the collision performance and vehicle body of vehicle body
Rigidity it is poor, cause the hydraulic performance decline of automobile, thus need to provide a kind of new body structure of getting off to meet vehicle body
Superperformance, and disclosure satisfy that the installation requirement of the battery of power.
The content of the invention
In order to solve above-mentioned technical problem of the prior art, it is an object of the invention to provide a kind of pure electric automobile
Get off body structure.
A kind of body structure of getting off of pure electric automobile, including preceding floor, rear floor, front longitudinal, side bar connecting plate and vehicle body
Threshold side bar, the body sill side bar are arranged on the both sides on the preceding floor, and side bar connecting plate is arranged on body structure of getting off
Front end both sides and it is connected respectively with front longitudinal and body sill side bar, it is characterised in that：Further include extending beam before preceding floor, institute
The both sides for stating extending beam before preceding floor are welded on the front end of the front longitudinal, and the upper weld of extending beam exists before the preceding floor
The front end on the preceding floor, and the front longitudinal extends to bending on the outside of under body and is connected on the body sill side bar.
Wherein, the front longitudinal, body sill side bar and side bar connecting plate are symmetrically disposed in the both sides on preceding floor.
Wherein, it is provided with annular enclosed convex rib structure on the lower surface on the preceding floor and rear floor.
Wherein, front chair front beam and rear transverse beam of front seat, the front chair are provided with the upper surface on the preceding floor
The both sides of front beam and rear transverse beam of front seat are welded on body sill side bar.
Wherein, be provided with rear floor front beam after described on the lower surface on floor, and it is described after floor upper surface front end
Back seat front beam is provided with, and the rear floor front beam forms closed cross-section with the back seat front cross beam welding.
Wherein, rear floor second cross beam is additionally provided with the lower surface on the rear floor, the both sides on the rear floor are set
There is floor side member, the both sides of the second cross beam are welded on floor side member.
The body structure of getting off of pure electric automobile of the present invention has the advantages that：
1. body structure can increase the space of power battery to greatest extent, the capacity of power battery is increased, improves vapour
The course continuation mileage of car.
2. vehicle body has good rigidity and mode, vehicle body is set to have the performance of good collision, and automobile can be improved
Operational stability.
3. either head-on crash or side collision can effective distractive load, avoid the stress of under body roof beam structure
Concentrate, improve the antifatigue damage capability of vehicle body.
Brief description of the drawings
Fig. 1 is the structure diagram of the body structure of getting off of the pure electric automobile of the prior art.
Fig. 2 is the structure diagram (back side) of the body structure of getting off of the pure electric automobile of embodiment 1.
Fig. 3 is the structure diagram (front) of the body structure of getting off of the pure electric automobile of embodiment 1.
Fig. 4 is cross section structure schematic diagrams of the Fig. 3 along A-A directions.
Fig. 5 is cross section structure schematic diagrams of the Fig. 3 along B-B directions.
The bang path schematic diagram of power when Fig. 6 is normal impact.
The bang path schematic diagram of power when Fig. 7 is side collision.
Implication in figure represented by each reference numeral is respectively：11- side bar connecting plates, extending beam before the preceding floors of 12-, 13-
Front longitudinal, 14- body sill side bars, the preceding floors of 15-, floor front beam after 16-, 17- floor side members, floor second cross beam after 18-,
Floor after 19-, 20- front chair front beams, 21- rear transverse beam of front seat, 22- back seat front beams.
Embodiment
The body structure of getting off of pure electric automobile of the present invention is further explained below with reference to specific embodiment
State, to help those skilled in the art to have more complete, accurate and deep reason to inventive concept of the invention, technical solution
Solution.
Embodiment 1
As shown in attached drawing 2-5, the body structure of getting off of the pure electric automobile of the present embodiment, including preceding floor 15, rear floor 19,
Front longitudinal 13, side bar connecting plate 11 and body sill side bar 14.The front longitudinal 13, body sill side bar 14 and side bar connecting plate
11 are symmetrically disposed in the both sides on preceding floor 15.Side bar connecting plate 11 be arranged on the front end both sides for body structure of getting off and respectively with
Front longitudinal 13 and body sill side bar 14 weld.The body structure of getting off of the present embodiment, has newly increased extending beam 12 before preceding floor, institute
State that extending beam 12 before preceding floor penetrates through the front longitudinal 13 and its both sides is welded on the front end of the front longitudinal 13, before described
The upper weld of extending beam 12 is in the front end on the preceding floor 15 before floor, and the front longitudinal 13 is designed as in the present embodiment
Bending extends and is connected on the body sill side bar 14 on the outside of under body.Front rail structure after change can take less
Floor lower space, can increase power battery space, additionally it is possible to have good power transmission effect, impact force can be delivered to side
Liang Shang.Such transfer mode has disperseed load, can ensure collision safety.Set on the lower surface on the preceding floor and rear floor
Annular enclosed convex rib structure is equipped with, adds the rigidity on floor, and power battery 31 is assemblied in preceding floor 15 and rear floor 19
Lower section, and ensure at least fit-up gap of 10mm between preceding floor and rear floor.On the upper surface on the preceding floor 15
It is provided with front chair front beam 20 and rear transverse beam of front seat 21, the both sides of the front chair front beam 20 and rear transverse beam of front seat 21
It is welded on body sill side bar 14, and continuous section is formed between the upper surface on preceding floor 15.Floor 19 after described
Lower surface on be provided with rear floor front beam 16, and it is described after the upper surface front end on floor be provided with back seat front beam 22,
And floor front beam 16 forms closed cross-section with the back seat front beam 22 welding after described, so enhances front and rear floor
The lateral connection of lap position, is preferably connected to threshold side bar and floor side member, avoids the stress concentration of the position.After described
Be additionally provided with rear floor second cross beam 18 on the lower surface on floor, it is described after the both sides on floor be provided with floor side member 17, described the
The both sides of two crossbeams 18 are welded on floor side member 17.In side collision, there are multiple bang paths to other side transmission, disperse
Load is so as to ensure that the safety of occupant.
As shown in fig. 6, when head-on crash occurs, 11 He of side bar connecting plate can be passed through by the impact force of anterior longeron
13 back segment of front longitudinal is transmitted to threshold side bar 14, additionally by extending beam 12 before the preceding floor newly increased to other side transmission.
Such transfer mode has disperseed load, can ensure collision safety.As shown in fig. 7, in side collision, there are multiple transmission roads
Radial direction other side transmission, has disperseed load so as to ensure that the safety of occupant.The bang path I of side collision force is to pass through side
Beam connecting plate 11 is to other side transmission；Path II is the front chair by the perforation left and right side bar in floor top enlarging section
Front beam 20 transmits；Path III is transmitted by the rear transverse beam of front seat 21 on floor top；Path IV is by rear floor
One crossbeam 16 and back seat front beam 22 and the closed cross-section beam of formation.Path V is by after the rear portion of power battery increases
Floor second cross beam 18 transmits.Threshold side bar and numerous beam structures by appropriate enlarging section, form multiple stabilizations
Closed-frame structure, vehicle body load can be disperseed, reduce the local pressure of vehicle body.The collision achievement of vehicle body can be improved,
The bending stiffness and torsion stiffness of vehicle body can be improved again, it is possible to increase the mode of vehicle body.
For the ordinary skill in the art, specific embodiment is simply exemplarily described the present invention,
Obviously the present invention specific implementation is not subject to the restrictions described above, as long as employ the inventive concept and technical scheme of the present invention into
The improvement of capable various unsubstantialities, or it is not improved by the present invention design and technical solution directly apply to other occasions
, within protection scope of the present invention.
Claims (6)
1. a kind of body structure of getting off of pure electric automobile, including preceding floor, rear floor, front longitudinal, side bar connecting plate and vehicle body door
Sill side bar, the body sill side bar is arranged on the both sides on the preceding floor, before side bar connecting plate is arranged on body structure of getting off
Hold both sides and be connected respectively with front longitudinal and body sill side bar, it is characterised in that：Extending beam before preceding floor is further included, it is described
The both sides of extending beam are welded on the front end of the front longitudinal before preceding floor, and the upper weld of extending beam is in institute before the preceding floor
The front end on preceding floor is stated, and the front longitudinal extends to bending on the outside of under body and is connected on the body sill side bar.
2. the body structure of getting off of pure electric automobile according to claim 1, it is characterised in that：The front longitudinal, vehicle body door
Sill side bar and side bar connecting plate are symmetrically disposed in the both sides on preceding floor.
3. the body structure of getting off of pure electric automobile according to claim 1, it is characterised in that：The preceding floor and rear floor
Lower surface on be provided with annular enclosed convex rib structure.
4. the body structure of getting off of pure electric automobile according to claim 1, it is characterised in that：The upper surface on the preceding floor
On be provided with front chair front beam and rear transverse beam of front seat, the both sides of the front chair front beam and rear transverse beam of front seat are welded on
On body sill side bar.
5. the body structure of getting off of pure electric automobile according to claim 1, it is characterised in that：The lower surface on floor after described
On be provided with rear floor front beam, and it is described after the upper surface front end on floor be provided with back seat front beam, and it is described after ground
Plate front beam forms closed cross-section with the back seat front cross beam welding.
6. the body structure of getting off of pure electric automobile according to claim 5, it is characterised in that：The lower surface on floor after described
On be additionally provided with rear floor second cross beam, it is described after the both sides on floor be provided with floor side member, the both sides welding of the second cross beam
On floor side member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711307016.7A CN107985422B (en) | 2017-12-08 | 2017-12-08 | Lower body structure of pure electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711307016.7A CN107985422B (en) | 2017-12-08 | 2017-12-08 | Lower body structure of pure electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107985422A true CN107985422A (en) | 2018-05-04 |
| CN107985422B CN107985422B (en) | 2024-07-05 |
Family
ID=62037249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711307016.7A Active CN107985422B (en) | 2017-12-08 | 2017-12-08 | Lower body structure of pure electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107985422B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108790760A (en) * | 2018-05-16 | 2018-11-13 | 浙江零跑科技有限公司 | A kind of Battery pack installation structure of electric vehicle |
| CN109204574A (en) * | 2018-10-16 | 2019-01-15 | 广州汽车集团股份有限公司 | A kind of new-energy automobile body structure |
| CN111605627A (en) * | 2019-02-22 | 2020-09-01 | 铃木株式会社 | Vehicle lower structure |
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| CN101117135A (en) * | 2006-07-31 | 2008-02-06 | 比亚迪股份有限公司 | Electric automobile frame |
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| CN202783433U (en) * | 2012-08-16 | 2013-03-13 | 东风汽车公司 | Blade electric vehicle front floor board and rear floor board frame beam structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108790760A (en) * | 2018-05-16 | 2018-11-13 | 浙江零跑科技有限公司 | A kind of Battery pack installation structure of electric vehicle |
| CN109204574A (en) * | 2018-10-16 | 2019-01-15 | 广州汽车集团股份有限公司 | A kind of new-energy automobile body structure |
| CN111605627A (en) * | 2019-02-22 | 2020-09-01 | 铃木株式会社 | Vehicle lower structure |
| CN111605627B (en) * | 2019-02-22 | 2022-06-21 | 铃木株式会社 | Vehicle lower structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107985422B (en) | 2024-07-05 |
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