CN106184413A - Electric automobile floor frame assembly - Google Patents

Electric automobile floor frame assembly Download PDF

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Publication number
CN106184413A
CN106184413A CN201610606810.0A CN201610606810A CN106184413A CN 106184413 A CN106184413 A CN 106184413A CN 201610606810 A CN201610606810 A CN 201610606810A CN 106184413 A CN106184413 A CN 106184413A
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CN
China
Prior art keywords
floor
electric automobile
sill strip
rear floor
sill
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610606810.0A
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Chinese (zh)
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CN106184413B (en
Inventor
朱浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chery New Energy Automobile Co Ltd
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Chery New Energy Automobile Technology Co Ltd
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Priority to CN201610606810.0A priority Critical patent/CN106184413B/en
Publication of CN106184413A publication Critical patent/CN106184413A/en
Application granted granted Critical
Publication of CN106184413B publication Critical patent/CN106184413B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/20Floors or bottom sub-units
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D29/00Superstructures, understructures, or sub-units thereof, characterised by the material thereof

Abstract

The invention discloses a kind of electric automobile floor frame assembly, including front Floor frame structure and rear Floor frame structure, described front Floor frame structure includes front apron sill, a pair sill strip and rear floor front beam, front apron sill and rear floor front beam are located between a pair sill strip formation front baffle, described rear Floor frame structure includes rear floor front beam, longitudinal floor beam and rear Floor rear crossbeam after a pair, the pair of rear longitudinal floor beam is located between rear floor front beam and rear Floor rear crossbeam formation afterframe, described front apron sill, sill strip, rear floor front beam, rear longitudinal floor beam and rear Floor rear crossbeam are the aluminium profile structure of hollow.All girder constructions use the aluminium profile structure of hollow, lightweight, and structural strength is big, beneficially electric automobile lightweight, can effectively extend electric automobile course continuation mileage, reduce use cost.

Description

Electric automobile floor frame assembly
Technical field
The present invention relates to electric vehicle engineering field, especially relate to a kind of electric automobile floor frame assembly.
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.
On existing vehicle body, floor frame assembly mostly is steel construction, and weight is big, is unfavorable for electric automobile lightweight, and unfavorable have Effect extends electric automobile course continuation mileage, and metalwork makes assembling and maintenance cost is the highest, is unfavorable for reducing cost, it is impossible to full Podomere energy environmental requirement.
Summary of the invention
Not enough for prior art, it is total that the technical problem to be solved is to provide a kind of electric automobile floor frame Becoming, it meets car load lightweight requirements, and ensures structural strength.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is:
This electric automobile floor frame assembly, including front Floor frame structure and rear Floor frame structure, described front floor Frame structure includes front apron sill, a pair sill strip and rear floor front beam, horizontal before front apron sill and rear floor Beam is located between a pair sill strip formation front baffle, and described rear Floor frame structure includes rear floor front beam, floor after a pair Longeron and rear Floor rear crossbeam, the pair of rear longitudinal floor beam is located between rear floor front beam and rear Floor rear crossbeam formation Afterframe, during described front apron sill, sill strip, rear floor front beam, rear longitudinal floor beam and rear Floor rear crossbeam are Empty aluminium profile structure.
Further, being provided with seat beam in described front baffle between a pair sill strip, described seat beam is hollow Aluminium profile structure.
The battery fixing structure for self-contained battery it is provided with inside described sill strip.
The reinforcement for sill strip inside division being become one group of cavity it is provided with in described sill strip.
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.
The end of described rear floor front beam is welded on the sill strip on vehicle body, sill strip end and rear longitudinal floor beam it Between be provided with subframe mounting rail, described sill strip and subframe mounting rail and be the aluminium profile structure of hollow.
Described sill strip two ends are equipped with shrouding, and described shrouding is aluminium sheet structure.
Described seat beam includes that seat front beam and seat rear cross beam, described seat front beam are provided with secondary instrument and prop up Frame, seat rear cross beam is provided with parking brake mounting seat.
Described battery fixing structure includes that nutplate installed by nutplate mounting bar and the battery being located on nutplate mounting bar, Nutplate mounting bar is fixed on the base plate of sill strip, and base plate is provided with installs corresponding the leading to of the screw in nutplate with battery Hole.
It is provided with reinforcement longeron between described rear floor middle and rear floor front beam.
Be provided with between described rear floor middle and rear Floor rear crossbeam dismountable after overhaul lid.
Described rear floor middle is the aluminium profile structure of hollow.
The base plate of described sill strip is provided with draw-in groove, and nutplate mounting bar is inserted in draw-in groove.
Described nutplate mounting bar is provided with a pair clamp, and battery is installed nutplate and is stuck in a pair clamp.
Described nutplate mounting bar is aluminium sheet structure.
Dismountable front maintenance lid it is provided with between described reinforcement longeron and rear longitudinal floor beam.
It is provided with web beam between described reinforcement longeron and rear longitudinal floor beam.
After described, maintenance lid is aluminium sheet structure.
Before described, maintenance lid is aluminium sheet structure.
Described reinforcement longeron and web beam are the aluminium profile structure of hollow.
The present invention compared with prior art, has the advantage that this electric automobile floor frame assembly structure is reasonable in design, All girder constructions use the aluminium profile structure of hollow, lightweight, and structural strength is big, and beneficially electric automobile lightweight can be effective Extend electric automobile course continuation mileage, reduce use cost.
Accompanying drawing explanation
Content expressed by width accompanying drawing each to this specification and the labelling in figure are briefly described below:
Fig. 1 is Floor frame structure bottom of the present invention schematic diagram.
Fig. 2 is Floor frame structure top of the present invention schematic diagram.
Fig. 3 is sill strip structural representation of the present invention.
Fig. 4 is A-A sectional view along Fig. 3.
Fig. 5 is B-B sectional view along Fig. 3.
Fig. 6 is sill strip decomposing schematic representation of the present invention.
In figure:
1. front longitudinal back segment, 2. front apron sill,
3. sill strip, 301. seam connecting plates, 302. lifting fixed mounts, 303. nutplate mounting bars, 304. batteries are installed Nutplate, 305. rivets, shrouding after 306., shrouding before 307.,
4. seat front beam, 5. seat rear cross beam, 6. after floor front beam, 7. subframe mounting rail, 8. after longitudinal floor beam, 9. floor middle after, 10., rear Floor rear crossbeam 11. strengthens longeron, 12. web beams, overhauls lid after 13., examines before 14. Repair behind lid, 15. front floors in body, 16. front floors body, 18. secondary instrument support, 19. parking brakes before body, 17. front floors Mounting seat.
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.
As shown in Figures 1 to 6, this electric automobile floor frame assembly, including front Floor frame structure and rear floor frame Structure, front Floor frame structure includes front apron sill, a pair sill strip and rear floor front beam, front apron sill and Rear floor front beam be located between a pair sill strip formation front baffle, rear Floor frame structure include rear floor front beam, a pair Rear longitudinal floor beam and rear Floor rear crossbeam, the pair of rear longitudinal floor beam be located at rear floor front beam and rear Floor rear crossbeam it Between form afterframe, front apron sill, sill strip, rear floor front beam, rear longitudinal floor beam and rear Floor rear crossbeam are The aluminium profile structure of hollow.Front Floor frame structure and rear Floor frame structure form whole Floor frame structure, it is ensured that whole The structural strength of body.Wherein, sill strip rear portion is directly welded in front beam end, rear floor, and subframe mounting rail one end is welded on door Sill beam rearward end, is connected by rear floor front beam is organic by sill strip transition, front floor frame and rear floor frame.
Front floor of electric vehicle frame structure, including front apron sill 2, a pair sill strip 3, rear floor front beam 6, its In, it is provided with front floor in the front baffle that front apron sill 2, a pair sill strip 3, rear floor front beam 6 are formed, horizontal under front apron Beam 2, a pair sill strip 3, rear floor front beam 6 are the aluminium profile structure of hollow, and front floor is aluminium sheet structure.Aluminium section bar passes through Mould extrusion molding, weight is little, and structural strength is big, beneficially electric automobile lightweight, can effectively extend in electric automobile continuation of the journey Journey, it is possible to decrease use cost.
Being provided with seat beam between a pair sill strip in front baffle, seat beam is the aluminium profile structure of hollow.Seat Crossbeam includes seat front beam 4 and seat rear cross beam 5, and seat front beam 5 is provided with secondary instrument support 18, and secondary instrument support 18 is U-shaped support, is fixed secondary instrument rear end, prevents secondary instrument from rotating;Seat rear cross beam 5 is provided with parking brake mounting seat 19.Secondary Instrument support 18 and parking brake mounting seat 19 are aluminum component structure, lightweight.
Front apron sill 2, seat front beam 4, seat rear cross beam 5, rear floor front beam 6 be arranged in parallel mutually, front Being equipped with reinforcement inside baffle plate sill, seat front beam, seat rear cross beam, rear floor front beam, structural strength is big.
Front apron sill 2 is connected with front longitudinal back segment 1.Front longitudinal back segment 1 is the aluminium profile structure of hollow.Automobile central collision Time, can be transferred force in front Floor frame structure by front longitudinal, and to the battery shape being located at below front Floor frame structure Become protection, improve crashworthiness.
The electrokinetic cell of electric automobile is located at below front Floor frame structure, and sill strip 3 is internal to be provided with for self-contained battery Battery fixing structure.Battery fixing structure is arranged on inside sill strip, relatively conventional is arranged on outside sill strip, Stability Analysis of Structures Reliably, and save sill strip lower space.
The reinforcement for sill strip inside division being become one group of cavity it is provided with in sill strip 3.Battery fixing structure is located at In the cavity of sill strip body bottom, being i.e. arranged on the base plate of sill strip, the structure being improved sill strip by reinforcement is strong Degree, thus battery fixing structure is formed protection reliably, when side impact and central collision, the protection to battery module is attained by requirement.
Battery fixing structure includes that nutplate installed by nutplate mounting bar 303 and the battery being located on nutplate mounting bar 304, nutplate mounting bar 303 is fixed on the base plate of sill strip, and base plate is provided with installs the screw phase in nutplate with battery Corresponding through hole.
The base plate of sill strip 3 is provided with draw-in groove, and nutplate mounting bar 303 is inserted in draw-in groove, and nutplate mounting bar is installed and torn open Unloading simplicity, facilitating follow-up maintenance, nutplate mounting bar is aluminium sheet, lightweight.Nutplate mounting bar 303 is provided with a pair clamp, Battery is installed nutplate 304 and is stuck in a pair clamp, and nutplate simple installation installed by battery, and battery is installed nutplate and is provided with convex Weldering nut.All parts is individual components, by fitting together, and simple in construction, it is simple to processing, cost of manufacture is low, it is simple to after Continuous maintenance is changed.
Nutplate 304 installed by battery is one group, and uniform intervals is located on nutplate mounting bar, and nutplate mounting bar inserts card After groove, nutplate mounting bar two ends are fixed on the base plate of sill strip by the rivet 305 loosed core.Bolt on battery frame with The screw that battery is installed in nutplate matches, and is fixed battery, sill strip uniform force, and battery is fixing reliable.And Whole battery fixing structure is positioned in sill strip, is not take up space outerpace, convenient installation.
Sill strip 3 top is provided with the projection of hollow, and projection is structure as a whole with sill strip body.The two ends of sill strip body Being equipped with shrouding, shrouding is respectively front shrouding 307 and rear shrouding 306, and two shroudings are aluminium sheet, and weight is little.The projection of sill strip It is provided with bottom seam, and is located at protruding one end and is provided with the seam connecting plate for being connected with the side seam in structure under A post 301, improve the structural strength of seam.
The end that lifting fixed mount 302, i.e. lifting fixed mount are fixed on the base plate of sill strip it is equipped with below sill strip 3 two ends On face, nutplate mounting bar staggers with lifting fixed mount upper-lower position, and lifting fixed mount is arranged by the outside of sill strip, nutplate Mounting bar is arranged by the inner side of sill strip, it is ensured that the structural strength of sill strip, lifting fixed mount is aluminium profile structure, lightweight.
Two lifting fixed mounts 302 are positioned at the two ends of sill strip, and the lifting fixed mount being wherein positioned at front portion is positioned under A post knot The underface of structure, the lifting fixed mount being positioned at rear portion is positioned at the underface of B post, when vehicle body being lifted by lifting fixed mount, two The stress of end lifting fixed mount passes to A post and B post by sill strip respectively, and reliable and stable, sill strip is difficult to flexural deformation.
It is body 17 before front floor between front apron sill 2 and seat front beam 4, seat front beam and seat rear cross beam For body 16 in front floor, it is body 15 behind front floor between seat rear cross beam and rear floor front beam.Front floor is divided into three Independent sector, it is ensured that the structural strength on floor.
Front Floor frame structure and rear Floor frame structure form whole Floor frame structure, it is ensured that overall structure is strong Degree.
Rear Floor frame structure, including rear floor front beam 6, a pair subframe mounting rail 7, after a pair longitudinal floor beam 8 with And rear Floor rear crossbeam 10;Wherein, longitudinal floor beam 8 is located at shape between rear floor front beam 6 and rear Floor rear crossbeam 10 after a pair Becoming framework, i.e. rear longitudinal floor beam front end to be welded on the front beam of rear floor, rear longitudinal floor beam rear end is welded on rear Floor rear crossbeam On.
Rear floor front beam 6, subframe mounting rail 7, rear longitudinal floor beam 8 and rear Floor rear crossbeam 10 are the aluminum of hollow Profile structure, aluminium profile structure passes through mould extrusion molding, and weight is little, and structural strength is big, and beneficially electric automobile lightweight can Effectively extend electric automobile course continuation mileage, reduce use cost.
The end of rear floor front beam 6 is welded on the rear portion of sill strip 3 on vehicle body, subframe mounting rail 7 one end and threshold Beam 3 rear end is connected, and the subframe mounting rail 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 8, the two ends of rear floor middle 9 are respectively welded correspondence Rear longitudinal floor beam on, rear floor middle and rear Floor rear crossbeam and rear floor front beam are paralleled.Rear floor middle Also it is the aluminium profile structure of hollow.
Floor between rear floor middle and rear Floor rear crossbeam is bolted on crossbeam, overhauls lid after formation 13, rear maintenance lid is detachable, conveniently overhauls the parts below rear maintenance lid.
Reinforcement longeron 11 it is provided with between rear floor middle and rear floor front beam.Strengthen between longeron and rear longitudinal floor beam Floor fix also by bolt, maintenance lid 14 before being formed, rear maintenance lid is detachable, convenient to rear maintenance lid below Parts overhaul.
Rear maintenance lid 13 and front maintenance lid 14 are aluminium sheet structure, and are provided with reinforcement in two lids, after inciting somebody to action Floor is divided into several independent sector, and lightweight, structural strength is big.Rear maintenance lid and front maintenance lid are dismountable lid Plate, can disassemble when needing, it is simple to control parts various to the motor below rear floor and motor overhaul.
Strengthen being provided with web beam 12 between longeron and rear longitudinal floor beam.Strengthen longeron to parallel with rear longitudinal floor beam, add Deck transverse is paralleled with rear floor front beam, and reinforcement longeron and web beam are the aluminium profile structure of hollow, improves structure strong Degree.
Above in conjunction with accompanying drawing, the present invention is exemplarily described, it is clear that the present invention implements not by aforesaid way Restriction, as long as have employed the design of the present invention and the improvement of various unsubstantialities that technical scheme is carried out, or the most improved will Design and the technical scheme of the present invention directly apply to other occasion, all within protection scope of the present invention.

Claims (10)

1. an electric automobile floor frame assembly, including front Floor frame structure and rear Floor frame structure, described front floor Frame structure includes front apron sill, a pair sill strip and rear floor front beam, horizontal before front apron sill and rear floor Beam is located between a pair sill strip formation front baffle, and described rear Floor frame structure includes rear floor front beam, floor after a pair Longeron and rear Floor rear crossbeam, the pair of rear longitudinal floor beam is located between rear floor front beam and rear Floor rear crossbeam formation Afterframe, it is characterised in that: behind described front apron sill, sill strip, rear floor front beam, rear longitudinal floor beam and rear floor Crossbeam is the aluminium profile structure of hollow.
2. electric automobile floor frame assembly as claimed in claim 1, it is characterised in that: at a pair sill strip in described front baffle Between be provided with seat beam, described seat beam is the aluminium profile structure of hollow.
3. electric automobile floor frame assembly as claimed in claim 1, it is characterised in that: it is provided with inside described sill strip for solid Determine the battery fixing structure of battery.
4. electric automobile floor frame assembly as claimed in claim 1, it is characterised in that: it is provided with for by door in described sill strip Sill beam inside division becomes the reinforcement of one group of cavity.
5. electric automobile floor frame assembly as claimed in claim 1, it is characterised in that: set between the pair of rear longitudinal floor beam There are rear floor middle, rear floor middle and rear Floor rear crossbeam and rear floor front beam parallel.
6. electric automobile floor frame assembly as claimed in claim 1, it is characterised in that: the end weldering of described rear floor front beam Be connected on the sill strip on vehicle body, between sill strip end and rear longitudinal floor beam, be provided with subframe mounting rail, described sill strip and Subframe mounting rail is the aluminium profile structure of hollow.
7. electric automobile floor frame assembly as claimed in claim 1, it is characterised in that: described sill strip two ends are equipped with envelope Plate, described shrouding is aluminium sheet structure.
8. electric automobile floor frame assembly as claimed in claim 2, it is characterised in that: described seat beam is horizontal before including seat Beam and seat rear cross beam, described seat front beam is provided with secondary instrument support, and seat rear cross beam is provided with parking brake mounting seat.
9. electric automobile floor frame assembly as claimed in claim 3, it is characterised in that: described battery fixing structure includes nut Nutplate installed by plate mounting bar and the battery being located on nutplate mounting bar, and nutplate mounting bar is fixed on the base plate of sill strip On, base plate is provided with installs, with battery, the through hole that the screw in nutplate is corresponding.
10. as claimed in claim 5 electric automobile floor frame assembly, it is characterised in that: described rear floor middle with rearly Reinforcement longeron it is provided with between plate front beam.
CN201610606810.0A 2016-07-29 2016-07-29 Electric car floor frame assembly Active CN106184413B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610606810.0A CN106184413B (en) 2016-07-29 2016-07-29 Electric car floor frame assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610606810.0A CN106184413B (en) 2016-07-29 2016-07-29 Electric car floor frame assembly

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CN106184413A true CN106184413A (en) 2016-12-07
CN106184413B CN106184413B (en) 2019-03-19

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108372884A (en) * 2018-03-14 2018-08-07 捷星新能源科技(苏州)有限公司 Electric vehicle under body frame
CN109204499A (en) * 2017-06-30 2019-01-15 比亚迪股份有限公司 Body structure and vehicle
CN109911027A (en) * 2017-12-13 2019-06-21 蔚来汽车有限公司 Sill strip assembly, side rear assembly, body assembly and automobile
CN113459955A (en) * 2021-06-30 2021-10-01 东风汽车集团股份有限公司 Automatic pedal mounting structure for improving collision resistance of side face of vehicle body

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Publication number Priority date Publication date Assignee Title
US20120153682A1 (en) * 2010-12-20 2012-06-21 Tesla Motors, Inc. Single Piece Vehicle Rocker Panel
CN202783435U (en) * 2012-08-16 2013-03-13 东风汽车公司 Power battery service port structure
CN103358871A (en) * 2012-03-26 2013-10-23 铃木株式会社 Battery pack mounting structure for electric car
CN203306113U (en) * 2013-05-29 2013-11-27 东风汽车公司 Rear floor structure of electric passenger vehicle
CN204279629U (en) * 2014-12-22 2015-04-22 郑州比克新能源汽车有限公司 A kind of battery-driven car framed structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120153682A1 (en) * 2010-12-20 2012-06-21 Tesla Motors, Inc. Single Piece Vehicle Rocker Panel
CN103358871A (en) * 2012-03-26 2013-10-23 铃木株式会社 Battery pack mounting structure for electric car
CN202783435U (en) * 2012-08-16 2013-03-13 东风汽车公司 Power battery service port structure
CN203306113U (en) * 2013-05-29 2013-11-27 东风汽车公司 Rear floor structure of electric passenger vehicle
CN204279629U (en) * 2014-12-22 2015-04-22 郑州比克新能源汽车有限公司 A kind of battery-driven car framed structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109204499A (en) * 2017-06-30 2019-01-15 比亚迪股份有限公司 Body structure and vehicle
CN109911027A (en) * 2017-12-13 2019-06-21 蔚来汽车有限公司 Sill strip assembly, side rear assembly, body assembly and automobile
CN109911027B (en) * 2017-12-13 2023-02-17 蔚来(安徽)控股有限公司 Threshold beam assembly, side rear automobile body assembly, automobile body assembly and car
CN108372884A (en) * 2018-03-14 2018-08-07 捷星新能源科技(苏州)有限公司 Electric vehicle under body frame
CN113459955A (en) * 2021-06-30 2021-10-01 东风汽车集团股份有限公司 Automatic pedal mounting structure for improving collision resistance of side face of vehicle body

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Address after: 241000 No. 226 Jin Hua Nan Road, Yijiang hi tech Industrial Development Zone, Anhui, Wuhu

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