CN109733479A - New energy vehicle head-on crash reinforced structure - Google Patents
New energy vehicle head-on crash reinforced structure Download PDFInfo
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- CN109733479A CN109733479A CN201910026677.5A CN201910026677A CN109733479A CN 109733479 A CN109733479 A CN 109733479A CN 201910026677 A CN201910026677 A CN 201910026677A CN 109733479 A CN109733479 A CN 109733479A
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- support beam
- rear support
- riveting
- subframe
- front wall
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- 230000013011 mating Effects 0.000 claims description 15
- 238000003466 welding Methods 0.000 claims description 8
- 210000003205 muscle Anatomy 0.000 claims description 7
- 238000005728 strengthening Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000001681 protective effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000003796 beauty Effects 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a kind of multilayer new energy vehicle head-on crash reinforced structures, and the front wall crossbeam extended including subframe and in left-right direction, further includes at least one rear support beam；The front end of rear support beam is fixed with subframe rear end, and the rear end of rear support beam and the middle part of front wall crossbeam are fixed.The beneficial effects of the present invention are: can effectively conduct front part of vehicle stress to rear of vehicle, it is significant to mitigate front wall intrusion volume, it plays a protective role to driver and passenger and vehicle.
Description
Technical field
The invention belongs to automobile manufacturing field, specifically a kind of new energy vehicle head-on crash reinforced structure.
Background technique
On traditional fuel-engined vehicle, design has stringer on chassis, and stringer has run through the front-rear direction of chassis.?
When headstock collides, headstock stress can be transferred to the tailstock by stringer to the greatest extent, and headstock is avoided serious crumple occur,
The complete of cabin and cockpit is kept to a certain extent, is important safety component.Chinese patent literature CN206704299U in
Disclose on December 5th, 2017 " subframe and using the subframe electric car ", subframe include main body of vehicle frame (101) and
Motor suspended structure (105), which is formed on the main body of vehicle frame, including the first shell mutually fastened
Body (107) and second shell (108)；Wherein, it is formed between the first shell and second shell and is drawn for accommodating motor
The cavity (B) of bushing, being formed in the first shell and second shell allows connector to pass through the cavity (B) is connected with fixed
Connect the through-hole of the bushing.The applicant declares that the subframe of the utility model is easy to carry out the variation of motor suspension point, mentions
High versatility.Using battery as on the new-energy automobile of energy storage mode, battery pack is disposed in the space of floor lower part,
In order to guarantee the gap on floor and battery pack, most new-energy automobile is all without the same portion under floor of image of Buddha conventional fuel oil car
Longitudinal beam structure is designed, leads in safety that there are hidden danger.Such as prior art as the aforementioned, the power for just lacking stringer pass
It passs, causes the intrusion volume of vehicle front wall in head-on crash very big, personal injury is serious in cockpit.
Summary of the invention
Based on problem above, the present invention provides a kind of new energy vehicle head-on crash reinforced structure, can be effectively by vehicle
Front stress is conducted to rear of vehicle, significant to mitigate front wall intrusion volume, is played a protective role to driver and passenger and vehicle.
In order to realize goal of the invention, the present invention adopts the following technical scheme: a kind of multilayer new energy vehicle head-on crash is strengthened
Structure, the front wall crossbeam extended including subframe and in left-right direction, further includes at least one rear support beam；Before rear support beam
End is fixed with subframe rear end, and the rear end of rear support beam and the middle part of front wall crossbeam are fixed.
The multilayer new energy vehicle head-on crash reinforced structure of this programme design, including subframe and front wall crossbeam.Front wall is
Separate the transverse baffle of cabin and cockpit, front wall crossbeam is located at below front wall, extends along vehicle body left and right directions.Front wall crossbeam tool
There is high-intensitive characteristic.After this programme is by the way that fore sub frame to be rigidly connected by rear support beam and front wall crossbeam, one is formed
Overall structure can be very good to improve structure stress.After designing in this way, the space below body platform can have both been vacated, had been used
It is laid out battery pack, vehicle body force transmission effect in the front-back direction is in turn ensured, ensure that the safety of vehicle will not decline, help
In the vehicle body layout of new-energy automobile and marketing.In order to improve rigidity, those skilled in the art be can according to need in door
The suitable position of sill item carries out Strengthening Design.The quantity of rear support beam can be 1, be also possible to it is multiple, by art technology
Personnel select on demand.
Preferably, the length direction of rear support beam is vehicle body front-rear direction, behind the front end of rear support beam and subframe
The middle part at end is fixed, and the rear end of rear support beam and the middle part of front wall crossbeam are fixed.This design, make subframe, rear support beam and
The connection shape of front wall crossbeam three constitute it is I-shaped, and it is I-shaped in mechanical structure have extremely strong stressed effect, because
This program can significantly improve structure stress effect, it is sufficient to the longitudinal beam structure for the conventional fuel oil car that matches in excellence or beauty.
Preferably, rear support beam is straight tube.The axially loaded intensity of straight tube is best.
Preferably, rear support beam is hollow straight tube.Under the premise of ensuring intensity, rear support beam be it is hollow, have
Help body lightening.
Strengthen muscle preferably, being equipped in rear support beam, the length direction for strengthening muscle along rear support beam extends.Strengthening muscle can
Further to strengthen rear support beam in the axial direction.
Preferably, the cross sectional shape of the rear support beam is rectangle；Mating surface is horizontal plane under the rear end of subframe, after
The upper surface of supporting beam front end and the mating surface of subframe rear end are fixed；Mating surface is horizontal plane on the front end of front wall crossbeam, after
The lower end surface of supporting beam rear end and the mating surface of front wall crossbeam front end are fixed.Pass through rear support beam cross sectional shape, subframe rear end
The design of mating surface, front wall beam engagement face, can make the combination of connector two-by-two closer.
Preferably, the upper surface of rear support beam front end is equipped with riveting through holes, it is right in mating surface under the rear end of subframe
It answers position to be equipped with riveting through holes, is riveted after the riveting through holes that rivet penetrates through on rear support beam front end and subframe simultaneously, riveting
Rear support beam front end, rivet, subframe three are fixed by welding after connecing；The lower end surface of rear support beam rear end is equipped with riveting
Hole is connected, corresponding position is equipped with riveting through holes in the upper mating surface of front wall crossbeam, and rivet penetrates through rear support beam rear end with before simultaneously
It is riveted after enclosing the riveting through holes on crossbeam, by welding rear support beam rear end, rivet, front wall crossbeam three after riveting
It is fixed.Fixation is realized in this programme design by the way of rivet welding, it is ensured that bonding strength.
Preferably, the riveting through holes of rear support beam front-end and back-end are no less than 2.Such design can be as far as possible
Improve bonding strength.
In conclusion showing the beneficial effects of the present invention are: can effectively conduct front part of vehicle stress to rear of vehicle
It writes and mitigates front wall intrusion volume, play a protective role to driver and passenger and vehicle.
Detailed description of the invention
Fig. 1 is perspective view of the invention.
Fig. 2 is top view of the invention.
Fig. 3 is the main view of Fig. 2.
Fig. 4 is the perspective view of rear support beam.
Wherein: 1 subframe, 2 front wall crossbeams, 3 rear support beams, semi-finals muscle, 5 riveting through holes.
Specific embodiment
The present invention will be further described with specific embodiment with reference to the accompanying drawing.
Embodiment as shown in Figure 1, Figure 2, Figure 3 shows is a kind of new energy vehicle head-on crash reinforced structure, it is new to be mounted on certain money
In energy vehicle.
This structure includes subframe 1, the front wall crossbeam 2 below body front wall positioned at vehicle front, after further including
Supporting beam 3, the quantity of rear support beam is one in this example.As shown in figure 4, rear support beam is hollow straight tube, material is steel pipe,
Reinforcing muscle 4 is equipped with along what the length direction of rear support beam extended in pipe.The cross sectional shape of rear support beam is rectangle, in rear support beam
Front-end and back-end be respectively provided with there are two riveting through holes 5, riveting through holes penetrate through the cross sectional shape of rear support beam in the vertical direction.
The middle part of the rear end of the front end and subframe of rear support beam is fixed, the rear end of rear support beam and the middle part of front wall crossbeam
Fixed, three forms typical I-shaped structure.The rear end of subframe has a mating surface, and mating surface is horizontal plane, matches
There are two riveting through holes for corresponding design on conjunction face.Front wall crossbeam also is provided with a mating surface and horizontal plane extends, same corresponding
There are two riveting through holes for setting.Fixed, the middle part of rear end and front wall crossbeam in the middle part of the front end of rear support beam and the rear end of subframe
It is fixed.Fixed mode is rivet welding, i.e., carries out after rivet being penetrated through the riveting through holes on rear support beam front end and subframe simultaneously
Riveting is fixed rear support beam front end, rivet, subframe three by welding after riveting.Likewise, rivet is penetrated through simultaneously
Riveted after riveting through holes on rear support beam rear end and front wall crossbeam, riveting after by welding by rear support beam rear end,
Rivet, front wall crossbeam three fix.
The new energy vehicle head-on crash reinforced structure of this example, fore sub frame, rear support beam, front wall crossbeam are firmly fixed
It is integrated, has vacated the useful space at middle part below floor, battery pack can be laid out.Impact force from body structure is being passed through
Subframe, rear support beam, front wall crossbeam transmitting after, can effectively conduct to vehicle body rear, thus alleviate front wall intrusion
Amount, and the deflection of battery pack in collision process is reduced, it is greatly improved the security performance of automobile.It is calculated through inventor
Machine program carries out impact simulation test, the scheme of the present embodiment vehicle body in the front-back direction safe stress intensity be enough to match in excellence or beauty it is other
The identical fuel vehicle longitudinal beam structure of condition.
Claims (8)
1. a kind of new energy vehicle head-on crash reinforced structure, the front wall crossbeam that extends including subframe (1) and in left-right direction
(2), characterized in that further include at least one rear support beam (3)；The front end of rear support beam is fixed with subframe rear end, rear support
The rear end of beam and the middle part of front wall crossbeam are fixed.
2. a kind of new energy vehicle head-on crash reinforced structure according to claim 1, characterized in that the length of rear support beam
Direction is vehicle body front-rear direction, and the middle part of the rear end of the front end and subframe of rear support beam is fixed, and the rear end of rear support beam is with before
The middle part for enclosing crossbeam is fixed.
3. a kind of new energy vehicle head-on crash reinforced structure according to claim 1 or 2, characterized in that rear support beam is
Straight tube.
4. a kind of new energy vehicle head-on crash reinforced structure according to claim 3, characterized in that rear support beam is hollow
Straight tube.
5. a kind of new energy vehicle head-on crash reinforced structure according to claim 1 or 2, characterized in that in rear support beam
Equipped with muscle (4) are strengthened, the length direction for strengthening muscle along rear support beam extends.
6. a kind of new energy vehicle head-on crash reinforced structure according to claim 3, characterized in that the rear support beam
Cross sectional shape is rectangle；The lower mating surface of subframe is horizontal plane, the upper surface of rear support beam front end and matching for subframe rear end
Conjunction face is fixed；The upper mating surface of front wall crossbeam is horizontal plane, and the lower end surface of rear support beam rear end and the mating surface of front wall crossbeam are solid
It is fixed.
7. any one new energy vehicle head-on crash reinforced structure according to claim 6, characterized in that before rear support beam
The upper surface at end is equipped with riveting through holes (5), and corresponding position is equipped with riveting through holes in mating surface under the rear end of subframe, and rivet is same
It is riveted after riveting through holes on Shi Guantong rear support beam front end and subframe, it will be before rear support beam by welding after riveting
End, rivet, subframe three fix；The lower end surface of rear support beam rear end is equipped with riveting through holes, the upper mating surface of front wall crossbeam
Upper corresponding position is equipped with riveting through holes, and rivet carries out riveting after penetrating through the riveting through holes on rear support beam rear end and front wall crossbeam simultaneously
It connects, is fixed rear support beam rear end, rivet, front wall crossbeam three by welding after riveting.
8. any one new energy vehicle head-on crash reinforced structure according to claim 7, characterized in that before rear support beam
The riveting through holes of end and rear end are no less than 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910026677.5A CN109733479A (en) | 2019-01-11 | 2019-01-11 | New energy vehicle head-on crash reinforced structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910026677.5A CN109733479A (en) | 2019-01-11 | 2019-01-11 | New energy vehicle head-on crash reinforced structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109733479A true CN109733479A (en) | 2019-05-10 |
Family
ID=66364387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910026677.5A Pending CN109733479A (en) | 2019-01-11 | 2019-01-11 | New energy vehicle head-on crash reinforced structure |
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| CN (1) | CN109733479A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202557616U (en) * | 2012-03-09 | 2012-11-28 | 浙江吉利汽车研究院有限公司 | Auxiliary frame structure |
| JP2013049321A (en) * | 2011-08-30 | 2013-03-14 | Toyota Motor Corp | Vehicle front part structure |
| CN103738404A (en) * | 2013-11-29 | 2014-04-23 | 天津博信汽车零部件有限公司 | Frame and vehicle comprising same |
| JP2014084046A (en) * | 2012-10-26 | 2014-05-12 | Mazda Motor Corp | Front sub-frame structure and method of assembling front sub-frame |
| CN206984122U (en) * | 2017-07-05 | 2018-02-09 | 上海华普汽车有限公司 | Automobile frame and automobile |
| CN207433631U (en) * | 2017-09-07 | 2018-06-01 | 北京汽车股份有限公司 | For the subframe and vehicle of vehicle |
| CN109131577A (en) * | 2018-09-21 | 2019-01-04 | 吉利汽车研究院（宁波）有限公司 | Front rail structure and subframe assembly |
| CN209700788U (en) * | 2019-01-11 | 2019-11-29 | 浙江零跑科技有限公司 | New energy vehicle head-on crash reinforced structure |
-
2019
- 2019-01-11 CN CN201910026677.5A patent/CN109733479A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013049321A (en) * | 2011-08-30 | 2013-03-14 | Toyota Motor Corp | Vehicle front part structure |
| CN202557616U (en) * | 2012-03-09 | 2012-11-28 | 浙江吉利汽车研究院有限公司 | Auxiliary frame structure |
| JP2014084046A (en) * | 2012-10-26 | 2014-05-12 | Mazda Motor Corp | Front sub-frame structure and method of assembling front sub-frame |
| CN103738404A (en) * | 2013-11-29 | 2014-04-23 | 天津博信汽车零部件有限公司 | Frame and vehicle comprising same |
| CN206984122U (en) * | 2017-07-05 | 2018-02-09 | 上海华普汽车有限公司 | Automobile frame and automobile |
| CN207433631U (en) * | 2017-09-07 | 2018-06-01 | 北京汽车股份有限公司 | For the subframe and vehicle of vehicle |
| CN109131577A (en) * | 2018-09-21 | 2019-01-04 | 吉利汽车研究院（宁波）有限公司 | Front rail structure and subframe assembly |
| CN209700788U (en) * | 2019-01-11 | 2019-11-29 | 浙江零跑科技有限公司 | New energy vehicle head-on crash reinforced structure |
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Address after: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Applicant after: Zhejiang Zero run Technology Co.,Ltd. Address before: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Applicant before: ZHEJIANG LEAPMOTOR TECHNOLOGY Co.,Ltd. |