CN109823400A - Electric car longitudinal beam structure - Google Patents
Electric car longitudinal beam structure Download PDFInfo
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- CN109823400A CN109823400A CN201811643894.0A CN201811643894A CN109823400A CN 109823400 A CN109823400 A CN 109823400A CN 201811643894 A CN201811643894 A CN 201811643894A CN 109823400 A CN109823400 A CN 109823400A
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- girder
- sill strip
- assembly
- longitudinal beam
- rear end
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Abstract
Electric car longitudinal beam structure, vehicle doorsill girder assembly include the upper and lower beam of sill strip.It is connected between the front end of the upper and lower beam of the sill strip of the same side, is connected between rear end.It is connected between the front end of the sill strip upper beam of the left and right sides by preceding upper attachment beam, is connected by front lower attachment beam between the front end of underbeam.It is connected between the rear end of left and right sides sill strip upper beam, between the rear end of underbeam.Minimum range between two sill strip underbeams of minimum range between the two sill strip upper beams in left and right and left and right is all larger than the maximum distance between the maximum distance between two side girders of front longitudinal beam assembly and two side girders of floor side member assembly.The height of the highest point of sill strip upper beam is less than or equal to the height of the minimum point of the side girder of front longitudinal beam assembly and the side girder of floor side member assembly.The rear end of the side girder of front longitudinal beam assembly is connected with preceding perpendicular attachment beam by preceding connection curb girder.The front end of the side girder of the two floor side member assemblies in left and right is connected with rear perpendicular attachment beam by corresponding rear connection curb girder.
Description
Technical field
The present invention relates to a kind of automobile longitudinal beam structures, and in particular to a kind of small-sized electric vehicle longitudinal beam structure.
Background technique
When head-on crash occurs for vehicle, a large amount of energy can be generated, stringer is as the main deformation energy-absorbing of vehicle and power transmission
One of structure, the impact load for being transferred to crew module for absorbing collision energy, decomposition and reduction.The existing head-on crash of vehicle body
Transmission path classification can be divided mainly into two transmission paths and four two kinds of transmission path, but either its mesh of that transmission path
Mark is all the injury that can be effectively reduced Peng Zhuan to occupant, and as can stringer and power battery storehouse are combined for electric car
Come, a kind of undoubtedly optimal longitudinal beam structure.
Application number 201710850947.5, application publication number CN 107628118 A, entitled " a kind of automobile front is touched
Hit longitudinal beam structure " Chinese invention patent application file disclose a kind of frontal crash of vehicles longitudinal beam structure: " including side rail
And girder plate, the side being connected on the leading portion and girder plate leading portion of the side rail with side rail are in continuous recessed
The wavy shaped configuration of protrusion volt, the wavy shaped configuration on stringer ontology have at least one wave crest and at least one trough, stringer
The corner that ontology and front panel supporting section have a common boundary has a wave crest of wavy shaped configuration on stringer ontology.Stringer ontology is from a left side
Stable bending deformation can occur to the right side, change the transmission path of positive impact load, guarantee that positive impact load will not
Directly by absorbing the energy of positive collision after stringer ontology bending deformation to greatest extent in transfers to front panel,
So that the Impact energy being transferred in front panel is less, the intrusion volume of front panel is reduced." but its relate only to front rail structure,
And it is not directed to the connection between floor side member, front longitudinal beam and floor side member and the offering question of battery compartment of electric automobile.
Summary of the invention
Main inventive purpose of the invention is stringer and its connection structure and corresponding electricity before and after proposing a kind of electric car
Connection structure described in Chi Cangyu configures solution.
Technical solution used in the present invention is: a kind of electric car longitudinal beam structure, including front longitudinal beam assembly, floor side member are total
At, vehicle doorsill girder assembly.Vehicle doorsill girder assembly includes two sill strip underbeams of the sill strip upper beam of left and right two and left and right.Together
The sill strip upper beam of side is connected between the front end of both sill strip underbeams and front end by preceding perpendicular attachment beam, rear end and rear end
Between pass through after erect attachment beam be connected.Pass through preceding upper attachment beam phase between the front end and front end of the sill strip upper beam of the left and right sides
Even, it is connected between the front end and front end of left and right sides sill strip underbeam by front lower attachment beam.Left and right sides sill strip upper beam
Connect under after upper attachment beam is connected, passes through between the rear end and rear end of left and right sides sill strip underbeam after passing through between rear end and rear end
Meet Liang Xianglian.Minimum range between two sill strip underbeams of minimum range between the two sill strip upper beams in left and right and left and right is equal
Between the side girder of left and right two greater than maximum distance and floor side member assembly between the side girder of left and right two of front longitudinal beam assembly
Maximum distance.The height of the highest point of sill strip upper beam be less than or equal to front longitudinal beam assembly side girder minimum point height,
The height of the minimum point of the side girder of floor side member assembly.The rear end of the side girder of left and right two of front longitudinal beam assembly and one corresponding
Preceding perpendicular attachment beam is connected by corresponding preceding connection curb girder.The front end and corresponding one of the side girder of the two floor side member assemblies in left and right
Attachment beam is erected after root to be connected by corresponding rear connection curb girder.
Preferably, the rear end of the side girder of the left and right of front longitudinal beam assembly two and it is one corresponding before erect attachment beam middle-end
It is connected by corresponding preceding connection curb girder；Left and right two floor side member assemblies side girder front end and it is one corresponding after erect connection
Beam is connected by the upper end of corresponding rear connection curb girder.
Preferably, preceding connection curb girder, rear connection curb girder are C-shaped.
Preferably, the sill strip upper beam of left and right two is equipped with several threaded holes for fixed car floor.Left and right two
Root sill strip underbeam is equipped with several for fixing the threaded hole of batteries of electric automobile bearing plate.
Respective members in the present invention between front longitudinal beam assembly and vehicle doorsill girder assembly pass through corresponding preceding connection curb girder
It is connected, the respective members between floor side member assembly and vehicle doorsill girder assembly are connected by corresponding rear connection curb girder, structure
At a kind of good front and back anti-collision structure.Vehicle doorsill girder assembly and car floor, batteries of electric automobile bearing plate etc. surround
Placement batteries of electric automobile space, have space it is big, facilitate arrangement respective battery, be conducive to improve battery capacity, into
And be conducive to the advantages of improving the mileage travelled of automobile.Forward and backward connection curb girder is C-shaped, then is conducive to the transmitting of impact force, mentions
The driving safety of high electric car.Therefore, the present invention is a kind of to be divided into outstanding small-sized electric vehicle longitudinal beam structure.
Detailed description of the invention
Fig. 1: schematic side view [being not drawn into automobile tire] of the invention；
Fig. 2: schematic top plan view of the invention；
Fig. 3: elevational schematic view of the invention；
In figure, front longitudinal beam assembly 1, floor side member assembly 2, vehicle doorsill girder assembly 3, sill strip upper beam 3.1, sill strip underbeam 3.2,
Preceding connection curb girder 4, rear connection curb girder 5, automotive floor panel 6, batteries of electric automobile bearing plate 7.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
As shown in Figure 1, Figure 2, Figure 3 shows, the present invention include front longitudinal beam assembly 1, floor side member assembly 2, vehicle doorsill girder assembly 3,
Preceding connection curb girder 4, rear connection curb girder 5.Vehicle doorsill girder assembly 3 includes two doors of the sill strip upper beam 3.1 of left and right two and left and right
Sill beam underbeam 3.2.By preceding perpendicular between the sill strip upper beam 3.1 of the same side and the front end and front end of both sill strip underbeams 3.2
Attachment beam is connected, pass through between rear end and rear end after erect attachment beam and be connected.The front end of the sill strip upper beam 3.1 of the left and right sides is with before
It is connected between end by preceding upper attachment beam, passes through front lower attachment beam between the front end and front end of left and right sides sill strip underbeam 3.2
It is connected.Upper attachment beam is connected after passing through between the rear end and rear end of left and right sides sill strip upper beam 3.1, under the sill strip of the left and right sides
Lower attachment beam is connected after passing through between the rear end and rear end of beam 3.2.Left and right two sill strip upper beams 3.1 between minimum range and
Minimum range between the two sill strip underbeams 3.2 in left and right is all larger than between the side girder of left and right two of front longitudinal beam assembly 1 most
Maximum distance between big distance and the side girder of left and right two of floor side member assembly 2.The height of the highest point of sill strip upper beam 3.1
Equal to the height of the minimum point of the side girder of the height and floor side member assembly 2 of the minimum point of the side girder of front longitudinal beam assembly 1.It is preceding vertical
The rear end of two side girders in left and right of beam assembly 1 is connected with connection curb girder 4 before attachment beam passes through accordingly is erected before corresponding one.
The front end of the side girder of the two floor side member assemblies 2 in left and right and it is one corresponding after erect attachment beam by connecting curb girder 5 after corresponding
It is connected.Wherein, the rear end of the side girder of the left and right of front longitudinal beam assembly 1 two and it is one corresponding before erect attachment beam middle-end pass through phase
The preceding connection curb girder 4 answered is connected, the front end of the side girder of the two floor side member assemblies 2 in left and right and it is one corresponding after to erect attachment beam logical
The upper end for crossing corresponding rear connection curb girder 5 is connected, and preceding connection curb girder 4, rear connection curb girder 5 are C-shaped.In addition, two doors in left and right
Sill beam upper beam 3.1 is equipped with several threaded holes for fixed car floor 6, and the sill strip underbeam of left and right two is equipped with several use
In the threaded hole of fixed batteries of electric automobile bearing plate 7.
The specific embodiment of the above is only the preferable embodiment of the present invention, and tool of the invention is not limited with this
Body implements structure and practical range.In fact, the shape, structure and purpose of design can also make according to the present invention
Equivalent variation.Therefore, some equivalence changes made by all shape, structures and purpose of design in accordance with the present invention ought to
It is included within the scope of protection of the present invention namely these equivalence changes all should be by protection of the invention.
Claims (6)
1. a kind of electric car longitudinal beam structure, including front longitudinal beam assembly (1), floor side member assembly (2), vehicle doorsill girder assembly (3)；
It is characterized in that: vehicle doorsill girder assembly (3) includes two sill strip underbeams of the two sill strip upper beams (3.1) in left and right and left and right
(3.2)；Pass through preceding perpendicular company between the front end and front end of both the sill strip upper beam (3.1) and sill strip underbeam (3.2) of the same side
Perpendicular attachment beam after passing through between Liang Xianglian, rear end and rear end is connect to be connected；The front end of the sill strip upper beam (3.1) of the left and right sides is with before
It is connected between end by preceding upper attachment beam, passes through front lower connection between the front end and front end of left and right sides sill strip underbeam (3.2)
Beam is connected；Upper attachment beam is connected after passing through between the rear end and rear end of left and right sides sill strip upper beam (3.1), left and right sides threshold
Lower attachment beam is connected after passing through between the rear end and rear end of beam underbeam (3.2)；Between the two sill strip upper beams (3.1) in left and right most
Minimum range between two sill strip underbeams (3.2) of small distance and left and right is all larger than the side of left and right two of front longitudinal beam assembly (1)
Maximum distance between the side girder of left and right two of maximum distance and floor side member assembly (2) between stringer；Sill strip upper beam
(3.1) height of highest point is less than or equal to the height of the minimum point of the side girder of front longitudinal beam assembly (1), floor side member assembly (2)
Side girder minimum point height；The rear end of the side girder of left and right two of front longitudinal beam assembly (1) and it is one corresponding before erect connect
Beam is connect to be connected by corresponding preceding connection curb girder (4)；The front end and corresponding one of the side girder of the two floor side member assemblies (2) in left and right
Attachment beam is erected after root to be connected by corresponding rear connection curb girder (5).
2. electric car longitudinal beam structure according to claim 1, it is characterized in that: the side of the left and right of front longitudinal beam assembly (1) two
The rear end of stringer is connected with the middle-end for erecting attachment beam before corresponding one by corresponding preceding connection curb girder (4).
3. electric car longitudinal beam structure according to claim 1, it is characterized in that: the side of the two floor side member assemblies (2) in left and right
The front end of stringer is connected with attachment beam perpendicular after corresponding one by the upper end of corresponding rear connection curb girder (5).
4. electric car longitudinal beam structure according to claim 1, it is characterized in that: preceding connection curb girder (4), connecting curb girder afterwards
(5) C-shaped.
5. electric car longitudinal beam structure according to claim 1 or 2 or 3 or 4, it is characterized in that: on two sill strips in left and right
Beam (3.1) is equipped with several threaded holes for fixed car floor (6).
6. electric car longitudinal beam structure according to claim 1 or 2 or 3 or 4, it is characterized in that: under two sill strips in left and right
Beam is equipped with several for fixing the threaded hole of batteries of electric automobile bearing plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811643894.0A CN109823400A (en) | 2018-12-30 | 2018-12-30 | Electric car longitudinal beam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811643894.0A CN109823400A (en) | 2018-12-30 | 2018-12-30 | Electric car longitudinal beam structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109823400A true CN109823400A (en) | 2019-05-31 |
Family
ID=66860718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811643894.0A Pending CN109823400A (en) | 2018-12-30 | 2018-12-30 | Electric car longitudinal beam structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109823400A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10240474A1 (en) * | 2002-09-03 | 2004-03-11 | Dr.Ing.H.C. F. Porsche Ag | Construction structure for motor vehicles, especially cars, comprises a front end wall transverse beam having on both sides of a linear central region two symmetrically arranged arms angled against the direction of forward travel |
| CN102333665A (en) * | 2009-02-24 | 2012-01-25 | 日产自动车株式会社 | Battery installation structure |
| CN102431593A (en) * | 2011-12-19 | 2012-05-02 | 李辉 | Electric vehicle chassis |
| CN104443039A (en) * | 2014-11-19 | 2015-03-25 | 湖南大学 | Electric car frame structure for distributed installation of battery packs |
| CN207416950U (en) * | 2017-11-02 | 2018-05-29 | 江西五十铃汽车有限公司 | A kind of electric automobile chassis frame |
| CN108216370A (en) * | 2016-12-09 | 2018-06-29 | 丰田自动车株式会社 | Vehicle frame structure |
| CN207889819U (en) * | 2018-03-05 | 2018-09-21 | 北京长城华冠汽车科技股份有限公司 | Body bottom beam, body bottom frame and vehicle |
-
2018
- 2018-12-30 CN CN201811643894.0A patent/CN109823400A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10240474A1 (en) * | 2002-09-03 | 2004-03-11 | Dr.Ing.H.C. F. Porsche Ag | Construction structure for motor vehicles, especially cars, comprises a front end wall transverse beam having on both sides of a linear central region two symmetrically arranged arms angled against the direction of forward travel |
| CN102333665A (en) * | 2009-02-24 | 2012-01-25 | 日产自动车株式会社 | Battery installation structure |
| CN102431593A (en) * | 2011-12-19 | 2012-05-02 | 李辉 | Electric vehicle chassis |
| CN104443039A (en) * | 2014-11-19 | 2015-03-25 | 湖南大学 | Electric car frame structure for distributed installation of battery packs |
| CN108216370A (en) * | 2016-12-09 | 2018-06-29 | 丰田自动车株式会社 | Vehicle frame structure |
| CN207416950U (en) * | 2017-11-02 | 2018-05-29 | 江西五十铃汽车有限公司 | A kind of electric automobile chassis frame |
| CN207889819U (en) * | 2018-03-05 | 2018-09-21 | 北京长城华冠汽车科技股份有限公司 | Body bottom beam, body bottom frame and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Guo Dazhou Inventor after: Guo Wenzhi Inventor after: Xu Wei Inventor before: Guo Dazhou Inventor before: Guo Wenzhi Inventor before: Xu Wei |
|
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190531 |