CN207712163U - The body structure of getting off of pure electric automobile - Google Patents
The body structure of getting off of pure electric automobile Download PDFInfo
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- CN207712163U CN207712163U CN201721715274.4U CN201721715274U CN207712163U CN 207712163 U CN207712163 U CN 207712163U CN 201721715274 U CN201721715274 U CN 201721715274U CN 207712163 U CN207712163 U CN 207712163U
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Abstract
The utility model is related to a kind of body structures of getting off of pure electric automobile, belong to the technical field of Automobile Design and manufacture.The body structure of getting off of the pure electric automobile of the utility model, including preceding floor, rear floor, front longitudinal beam, side bar connecting plate and body sill side bar, the both sides on preceding floor are arranged in body sill side bar, and side bar connecting plate is arranged in the front end both sides for body structure of getting off and is connect with front longitudinal beam 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 beam before preceding floor, and the upper weld of extending beam is in the front end on preceding floor before preceding floor, and front longitudinal beam extends to bending on the outside of under body and is connected on body sill side bar.The body structure of the utility model 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 utility model is related to the technical fields of Automobile Design and manufacture, and more specifically, the utility model is related to one kind
The body structure of getting off of pure electric automobile.
Background technology
In order to ensure the collision performance and good body stiffness and mode of automobile, as shown in Figure 1, vehicle in 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
At multiple continuous force transferring structures, capable of ensureing vehicle body, there are one good collision performances and good rigidity and mode.Pure
In electronic automobile, there is good course continuation mileage to meet, 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, needs to move
The arrangement height of power battery is relatively high.Such arrangement can cause power battery and the longitudinal and cross beam of floor lower part to be interfered.It needs
It cuts off the longeron of floor lower part and deletes the crossbeam of floor lower part.In order to avoid power battery, need to delete floor lower part
Longitudinal and cross beam structure, this structure can cause vehicle body not have continuous force transferring structure, lead to the collision performance and vehicle body of vehicle body
Rigidity it is poor, cause the performance of automobile to decline, 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.
Utility model content
In order to solve above-mentioned technical problem in the prior art, the purpose of this utility model is to provide a kind of pure electric vehicle vapour
The body structure of getting off of vehicle.
A kind of body structure of getting off of pure electric automobile, including preceding floor, rear floor, front longitudinal beam, side bar connecting plate and vehicle body
The both sides on the preceding floor are arranged in threshold side bar, the body sill side bar, and side bar connecting plate is arranged in body structure of getting off
It front end both sides and is connect respectively with front longitudinal beam 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 beam, and the upper weld of extending beam exists before the preceding floor
The front end on the preceding floor, and the front longitudinal beam extends to bending on the outside of under body and is connected on the body sill side bar.
Wherein, the front longitudinal beam, 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 on 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
It is provided with back seat front beam, and the rear floor front beam forms closed cross-section with the back seat front cross beam welding.
Wherein, rear floor second cross beam, the both sides setting on the rear floor are additionally provided on the lower surface on the rear floor
There are floor side member, the both sides of the second cross beam to be welded on floor side member.
The body structure of getting off of pure electric automobile described in the utility model 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 vehicle.
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
It concentrates, improves the antifatigue damage capability of vehicle body.
Description of the drawings
Fig. 1 is the structural schematic diagram of the body structure of getting off of the pure electric automobile of the prior art.
Fig. 2 is the structural schematic diagram (back side) of the body structure of getting off of the pure electric automobile of embodiment 1.
Fig. 3 is the structural schematic 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 the directions A-A.
Fig. 5 is cross section structure schematic diagrams of the Fig. 3 along the directions B-B.
The transmission path schematic diagram of power when Fig. 6 is normal impact.
The transmission path schematic diagram of power when Fig. 7 is side collision.
Meaning in figure represented by each reference numeral is respectively：11- side bar connecting plates, extending beam before the preceding floors 12-, 13-
Front longitudinal beam, 14- body sill side bars, the preceding floors 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.
Specific implementation mode
The body structure of getting off of pure electric automobile described in the utility model is done further below with reference to specific embodiment
Elaboration, it is more complete, accurate to help those skilled in the art to have the design of the utility model of the utility model, technical solution
With deep understanding.
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 beam 13, side bar connecting plate 11 and body sill side bar 14.The front longitudinal beam 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 in the front end both sides for body structure of getting off and respectively with
Front longitudinal beam 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 beam 13 and its both sides is welded on the front end of the front longitudinal beam 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 beam 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 occupy less
Floor lower space can increase power battery space, additionally it is possible to have good power transmission effect, impact force can be transmitted to side
Liang Shang.Such transfer mode has disperseed load, can ensure collision safety.It is set on the lower surface on the preceding floor and rear floor
It is equipped with annular enclosed convex rib structure, increases the rigidity on floor, and power battery 31 is assemblied under preceding floor and rear floor
Side, and ensure at least fit-up gap of 10mm between preceding floor and rear floor.It is arranged on the upper surface on the preceding floor 15
There are front chair front beam 20 and rear transverse beam of front seat 21, the both sides welding of the front chair front beam 20 and rear transverse beam of front seat 21
On body sill side bar 14, and continuous section is formed between the upper surface on preceding floor 15.After described under floor 19
Rear floor front beam 16 is provided on surface, and the upper surface front end on the rear floor is 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, enhances front and back floor overlap joint in this way
The lateral connection of position is preferably connected to threshold side bar and floor side member, avoids the stress concentration of the position.Floor after described
Lower surface on be additionally provided with rear floor second cross beam 18, it is described after the both sides on floor be provided with floor side member 17, described second is horizontal
The both sides of beam 18 are welded on floor side member 17.In side collision, there are multiple transmission paths to be transmitted to other side, has disperseed to carry
Lotus is 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 front longeron
13 back segment of front longitudinal beam is transmitted to threshold side bar 14, is transmitted to other side additionally by extending beam 12 before the preceding floor newly increased.
Such transfer mode has disperseed load, can ensure collision safety.As shown in fig. 7, in side collision, there are multiple transmission roads
Radial other side is transmitted, and has disperseed load to ensure that the safety of occupant.The transmission path I of side collision force is to pass through side
Beam connecting plate 11 is transmitted to other side；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 by the transmission of rear transverse beam of front seat 21 on floor top；Path IV is by rear floor
The closed cross-section beam of one crossbeam 16 and back seat front beam 22 and formation.Path V is by after the rear portion of power battery increases
Floor second cross beam 18 transmits.Threshold side bar by appropriate enlarging section and numerous beam structures, 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 that vehicle body can be improved again, can improve the mode of vehicle body.
For the ordinary skill in the art, specific embodiment has only carried out exemplary retouch to the utility model
It states, it is clear that the utility model specific implementation is not subject to the restrictions described above, as long as using the methodology of the utility model
The improvement of the various unsubstantialities carried out with technical solution, or it is not improved that the design of the utility model and technical solution is direct
Applied to other occasions, it both is within the 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 beam, side bar connecting plate and vehicle body door
The both sides on the preceding floor are arranged in sill side bar, the body sill side bar, and side bar connecting plate is arranged before body structure of getting off
It holds both sides and is connect respectively with front longitudinal beam and body sill side bar, it is characterised in that：Further include extending beam before preceding floor, it is described
The both sides of extending beam are welded on the front end of the front longitudinal beam 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 beam 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 beam, 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 |
|---|---|---|---|
| CN201721715274.4U CN207712163U (en) | 2017-12-08 | 2017-12-08 | The body structure of getting off of pure electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721715274.4U CN207712163U (en) | 2017-12-08 | 2017-12-08 | The body structure of getting off of pure electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207712163U true CN207712163U (en) | 2018-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721715274.4U Active CN207712163U (en) | 2017-12-08 | 2017-12-08 | The body structure of getting off of pure electric automobile |
Country Status (1)
| Country | Link |
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| CN (1) | CN207712163U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985422A (en) * | 2017-12-08 | 2018-05-04 | 阿尔特汽车技术股份有限公司 | The body structure of getting off of pure electric automobile |
| 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 |
-
2017
- 2017-12-08 CN CN201721715274.4U patent/CN207712163U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985422A (en) * | 2017-12-08 | 2018-05-04 | 阿尔特汽车技术股份有限公司 | The body structure of getting off of pure electric automobile |
| CN107985422B (en) * | 2017-12-08 | 2024-07-05 | 阿尔特汽车技术股份有限公司 | Lower body structure of pure 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 |
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