CN105329319B - Automobile front subframe - Google Patents
Automobile front subframe Download PDFInfo
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- CN105329319B CN105329319B CN201510599199.9A CN201510599199A CN105329319B CN 105329319 B CN105329319 B CN 105329319B CN 201510599199 A CN201510599199 A CN 201510599199A CN 105329319 B CN105329319 B CN 105329319B
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- energy
- reinforcing plate
- mesopore
- absorbing reinforcing
- absorbing
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Abstract
The present invention relates to automobile accessory frame field, it is therefore an objective to provides a kind of automobile front subframe.A kind of automobile front subframe, including two symmetrically arranged side bars, front beam and rear cross beam；Side bar includes leading portion, preceding oblique section, stage casing, section of retreading, back segment, front lower energy-absorbing reinforcing plate, rear energy-absorbing reinforcing plate, preceding upper energy-absorbing reinforcing plate；Side bar is provided with lumen；Front lower energy-absorbing reinforcing plate, rear energy-absorbing reinforcing plate, preceding upper energy-absorbing reinforcing plate are located in lumen.The automobile front subframe collision resistance is preferable, so that vehicle can reach five-pointed star crash requirements.
Description
Technical field
The present invention relates to automobile accessory frame field, especially a kind of automobile front subframe.
Background technology
With the high speed development of automobile industry, people to vehicle when colliding to the person safe attention rate it is more next
It is higher.E-NCAP is Euro-NCAP (the safe criticisms of European New Car Assessment Programme Europe new cars
Association) it is the most authoritative safety test mechanism of the motor-dom advocated and given birth to by European five national governments, through Euro-
Safe criticism professional and harsh NCAP, surveyed through speed per hour 64Km/h frontal impacts and speed per hour 50km/h side impact
Test result, there is provided reference frame of the european consumer as purchase car selection；Crash tests result point one arrives five-star（It is five-star most
It is high）, test event is frontal impact, side impact, lateral cylindrical body hit, is protected to pedestrian protecting ability and to children in vehicles
Shield.Chinese Patent Application No.：201420453235.1 utility model provide a kind of automobile front subframe, including front beam
And rear cross beam, two side bars being arranged symmetrically are connected between the front beam and the rear cross beam, are installed on the rear cross beam
There is a stabiliser bar, several reinforcing plates, the reinforcing plate weldering are installed close to the inside of the stabiliser bar installation place on the side bar
It is connected in the side bar upper piece inside the side bar and side bar bottom sheet.Though the subframe of orthodox car, which exists, can meet fore sub frame phase
Intensity, rigidity, the mode requirement of mount point are closed, but collision resistance is poor, so that vehicle is difficult to reach five-pointed star crash requirements
Deficiency；Therefore, design that a kind of collision resistance is preferable, so that vehicle can reach secondary car before the automobiles of five-pointed star crash requirements
Frame, turn into urgent problem to be solved.
The content of the invention
Though the invention aims to overcome the subframe of current automobile to exist to meet fore sub frame associated mounting point
Intensity, rigidity, mode requirement, but collision resistance is poor, so that vehicle is difficult to the deficiency for reaching five-pointed star crash requirements, carries
It is preferable for a kind of collision resistance, so that vehicle can reach the automobile front subframe of five-pointed star crash requirements.
The present invention concrete technical scheme be：
A kind of automobile front subframe, including two symmetrically arranged side bars, front beam and rear cross beam；Described side bar includes
Leading portion, the high-end preceding oblique section being connected with leading portion rear end, back segment, the high-end section of retreading being connected with back segment front end, both ends respectively with it is preceding
The stage casing that oblique section low side connects with section low side that retreads, front lower energy-absorbing reinforcing plate, bottom surface is provided with width and front lower energy-absorbing reinforcing plate is wide
The rear energy-absorbing reinforcing plate of the low groove of matching is spent, on bottom surface is provided with before the upper groove that is matched with rear energy-absorbing reinforcing plate width of width
Energy-absorbing reinforcing plate；Rear portion of the both ends of front beam respectively with two leading portion opposite sides is connected；The both ends of rear cross beam are respectively with two
The rear portion connection of individual back segment opposite sides；Side bar be provided with by preceding mesopore, it is preceding tiltedly mesopore, middle part mesopore, the mesopore that retreads, rear mesopore according to
The secondary lumen connected and composed；The both ends of preceding upper energy-absorbing reinforcing plate are connected with the top surface of preceding mesopore and the top surface of middle part mesopore respectively；
In the front end insertion upper groove of energy-absorbing reinforcing plate and rear end is connected with the bottom surface for the mesopore that retreads afterwards；The rear end of front lower energy-absorbing reinforcing plate
It is connected in insertion low groove and with preceding tiltedly mesopore bottom surface.The automobile front subframe collision resistance is preferable, so that vehicle can reach
To five-pointed star crash requirements；Side bar is sequentially connected composition by leading portion, preceding oblique section, stage casing, section of retreading, back segment, during by fierce collision,
Experiment proves that side bar can produce at least two bendings and effectively absorb collision energy, so as to protect the safety of people in driving cabin；Before on
The both ends of energy-absorbing reinforcing plate are connected with the top surface of preceding mesopore and the top surface of middle part mesopore respectively, the front end insertion of rear energy-absorbing reinforcing plate
In upper groove and rear end is connected with the bottom surface for the mesopore that retreads, in the rear end of front lower energy-absorbing reinforcing plate insertion low groove and with it is preceding tiltedly in
Bottom hole face connects, and has both strengthened driving and the rigidity of side bar, for and can when by fierce collision, rear energy-absorbing reinforcing plate can be with preceding upper suction
Relative displacement can be produced between reinforcing plate and front lower energy-absorbing reinforcing plate, effectively absorb collision energy.
Preferably, the upper surface of described leading portion is provided with front side of front beam and inhaled with the rectangle of preceding tiltedly mesopore insertion
Can hole.When by fierce collision, by being deformed at rectangle energy-absorbing hole or breakage can make collision energy significantly decay, inhale
It is more preferable to receive collision energy effect.
Preferably, the distance of two described side bar front ends is more than the distance of rear end.Side bar produces during beneficial to fierce collision
Raw bending effectively absorbs collision energy.
Preferably, before described automobile front subframe is provided with the engine that both ends are connected with front beam and front beam respectively
Suspend mounting seat.It is easy to engine to install.
Preferably, described leading portion, which is provided with a body assembly, supports counterbore；Back segment is provided with a body assembly and supported
Counterbore；The upper surface for section of retreading is provided with preceding lower swing arm assembly mounting bracket；The rear portion of two opposite both sides of back segment is respectively provided with one
Preceding lower swing arm assembly mounting hole.Lower swing arm assembly is installed before being easy to body assembly.
Preferably, described side bar is connected and composed by upper Half Beam and lower Half Beam；Lumen is surrounded by upper Half Beam and lower Half Beam
Form.It is easy to side bar to manufacture.
Compared with prior art, the beneficial effects of the invention are as follows：The automobile front subframe collision resistance is preferable, so that
Vehicle can reach five-pointed star crash requirements；Side bar is by leading portion, and preceding oblique section, stage casing, section of retreading, back segment is sequentially connected composition, by violent
During strong collision, experiment proves that side bar can produce at least two bendings and effectively absorb collision energy, so as to protect people in driving cabin
Safety；The both ends of preceding upper energy-absorbing reinforcing plate are connected with the top surface of preceding mesopore and the top surface of middle part mesopore respectively, rear energy-absorbing reinforcing plate
Front end insertion upper groove in and rear end be connected with the bottom surface for the mesopore that retreads, the rear end of front lower energy-absorbing reinforcing plate is inserted in low groove
And be connected with preceding tiltedly mesopore bottom surface, both strengthen driving and the rigidity of side bar, and can is when by fierce collision, rear energy-absorbing reinforcing plate
Relative displacement can be produced between preceding upper energy-absorbing reinforcing plate and front lower energy-absorbing reinforcing plate, effectively absorb collision energy.Leading portion it is upper
The rectangle energy-absorbing hole that end face is provided with front side of front beam and penetrated with preceding oblique mesopore, when by fierce collision, passes through rectangle
It is deformed at energy-absorbing hole or breakage can makes collision energy significantly decay, it is more preferable absorbs collision energy effect.Before two side bars
The distance at end is more than the distance of rear end, and side bar produces bending and effectively absorbs collision energy during beneficial to fierce collision.Secondary car before automobile
Erection has the engine front mounting mounting seat that both ends are connected with front beam and front beam respectively, is easy to engine to install.Vehicle body is total
Into supporting counterbore, preceding lower swing arm assembly mounting bracket and preceding lower swing arm assembly mounting hole, it is easy to lower swing arm assembly before body assembly
Installation.Side bar is connected and composed by upper Half Beam and lower Half Beam, is easy to side bar to manufacture.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present invention；
Fig. 2 is the exploded perspective view of side bar.
In figure：Front beam -1, rear cross beam -2, side bar -3, leading portion -31, it is preceding tiltedly section -32, back segment -33, section -34 of retreading, in
Section -35, front lower energy-absorbing reinforcing plate -36, low groove -37, rear energy-absorbing reinforcing plate -38, upper groove -39, preceding upper energy-absorbing reinforcing plate -
310th, preceding mesopore -311, it is preceding tiltedly mesopore -312, middle part mesopore -313, the mesopore -314 that retreads, rear mesopore -315, rectangle energy-absorbing hole -
316th, body assembly supporting counterbore -317, preceding lower swing arm assembly mounting bracket -318, preceding lower swing arm assembly mounting hole -319, upper half
Beam -320, lower Half Beam -321, engine front mounting mounting seat -4, body assembly -6.
Embodiment
It is shown below in conjunction with the accompanying drawings that the present invention is described further.
As shown in accompanying drawing 1, accompanying drawing 2：A kind of automobile front subframe, including two symmetrically arranged side bars 3, the He of front beam 1
Rear cross beam 2；Described side bar 3 includes leading portion 31, the high-end preceding tiltedly section 32 being connected with the rear end of leading portion 31, and back segment 33 is high-end with after
The section 34 of retreading of 33 front ends of section connection, both ends are front lower respectively with the preceding stage casing 35 that tiltedly low side of section 32 and the low side of section 34 that retreads are connected
Energy-absorbing reinforcing plate 36, the rear energy-absorbing that bottom surface is provided with width and the low groove 37 of the front lower width interference fits of energy-absorbing reinforcing plate 36 are strengthened
Plate 38, bottom surface are provided with the preceding upper energy-absorbing reinforcing plate 310 of width and the upper groove 39 of the rear width interference fits of energy-absorbing reinforcing plate 38；Two
The distance of the individual front end of side bar 3 is more than the distance of rear end；Welded respectively with the rear portion of two opposite sides of leading portion 31 at the both ends of front beam 1
Connect；Welded respectively with the rear portion of two opposite sides of back segment 33 at the both ends of rear cross beam 2；Side bar 3 be provided with by preceding mesopore 311, it is preceding tiltedly
Mesopore 312, middle part mesopore 313, the mesopore 314 that retreads, rear mesopore 315 are sequentially connected the lumen of composition；Preceding upper energy-absorbing reinforcing plate 310
Both ends respectively with the top surface of preceding mesopore 311 and the top surface mode connects for screw of middle part mesopore 313；The front end of energy-absorbing reinforcing plate 38 is inserted afterwards
Enter the bottom surface mode connects for screw of in upper groove 39 and rear end and the mesopore 314 that retreads；The rear end insertion of front lower energy-absorbing reinforcing plate 36 is recessed
In groove 37 and with preceding tiltedly mesopore 312 bottom surface mode connects for screw.
The rectangle energy-absorbing that the upper surface of described leading portion 31 is provided with positioned at the front side of front beam 1 and penetrated with preceding oblique mesopore 312
Hole 316.
Described automobile front subframe be provided with both ends respectively with front beam and the engine front mounting of the mode connects for screw of front beam 1
Mounting seat 4.
Described leading portion 31 is provided with a body assembly and supports counterbore 317；It is heavy that back segment 33 is provided with a body assembly supporting
Hole 317；The upper surface of section of retreading 34 is provided with preceding lower swing arm assembly mounting bracket 318；The rear portion of two 33 opposite both sides of back segment is each
Provided with a preceding lower swing arm assembly mounting hole 319.
In the present embodiment, in the present embodiment, described side bar 3 is formed by welding by upper Half Beam 320 and lower Half Beam 321；Lumen
Surrounded and formed by upper Half Beam 320 and lower Half Beam 321.
For the automobile front subframe in use, supporting counterbore 317 supports body assembly, engine is arranged on engine front overhang
Put in mounting seat 4, preceding lower swing arm assembly respectively with preceding lower swing arm assembly mounting bracket 318 and preceding lower swing arm assembly mounting hole 319
Connection.
The beneficial effects of the invention are as follows：The automobile front subframe collision resistance is preferable, so that vehicle can reach five-pointed star
Crash requirements；Side bar is sequentially connected composition by leading portion, preceding oblique section, stage casing, section of retreading, back segment, during by fierce collision, experiment card
Bright side bar can produce at least two bendings and effectively absorb collision energy, so as to protect the safety of people in driving cabin；Preceding upper energy-absorbing adds
The both ends of strong plate are connected with the top surface of preceding mesopore and the top surface of middle part mesopore respectively, the front end insertion upper groove of rear energy-absorbing reinforcing plate
In and rear end be connected with the bottom surface for the mesopore that retreads, in the rear end of front lower energy-absorbing reinforcing plate insertion low groove and with preceding tiltedly mesopore bottom surface
Connection, had both strengthened driving and the rigidity of side bar, and when by fierce collision, rear energy-absorbing reinforcing plate can be strengthened and can with preceding upper energy-absorbing
Relative displacement is produced between plate and front lower energy-absorbing reinforcing plate, effectively absorbs collision energy.The upper surface of leading portion is provided with positioned at preceding horizontal
The rectangle energy-absorbing hole penetrated on front side of beam and with preceding oblique mesopore, when by fierce collision, by being deformed at rectangle energy-absorbing hole
Or breakage can make collision energy significantly decay, it is more preferable to absorb collision energy effect.The distance of two side bar front ends is more than rear end
Distance, side bar produces bending and effectively absorbs collision energy during beneficial to fierce collision.Automobile front subframe be provided with both ends respectively with
The engine front mounting mounting seat that front beam connects with front beam, is easy to engine to install.Body assembly supports counterbore, the preceding bottom
Arm assembly mounting bracket and preceding lower swing arm assembly mounting hole, lower swing arm assembly is installed before being easy to body assembly.Side bar is by upper Half Beam
Connected and composed with lower Half Beam, be easy to side bar to manufacture.
The present invention can change into that various ways are apparent to one skilled in the art, and such change is not considered as
Depart from the scope of the present invention.All such technical staff to the field obviously change, and are included within this right
Within the scope of it is required that.
Claims (5)
1. a kind of automobile front subframe, including two symmetrically arranged side bars（3）, front beam（1）And rear cross beam（2）；Its feature
It is that described side bar includes leading portion（31）, preceding oblique section（32）, back segment（33）, section of retreading（34）, respectively with it is preceding tiltedly section low side and after
The stage casing of oblique section low side connection（35）, front lower energy-absorbing reinforcing plate（36）, bottom surface is provided with width and front lower energy-absorbing reinforcing plate width
The low groove matched somebody with somebody（37）Rear energy-absorbing reinforcing plate（38）, bottom surface is provided with the upper groove that width matches with rear energy-absorbing reinforcing plate width
（39）Preceding upper energy-absorbing reinforcing plate（310）；Rear portion of the both ends of front beam respectively with two leading portion opposite sides is connected；Rear cross beam
Rear portion of the both ends respectively with two back segment opposite sides be connected；Side bar is provided with by preceding mesopore（311）, preceding oblique mesopore（312）, in
Portion's mesopore（313）, retread mesopore（314）, rear mesopore（315）It is sequentially connected the lumen of composition；The both ends of preceding upper energy-absorbing reinforcing plate
It is connected respectively with the top surface of preceding mesopore and the top surface of middle part mesopore；Afterwards energy-absorbing reinforcing plate front end insertion upper groove in and rear end with
Retread mesopore bottom surface connection；It is connected in the rear end insertion low groove of front lower energy-absorbing reinforcing plate and with preceding tiltedly mesopore bottom surface, it is described
Leading portion upper surface be provided with front side of the front beam and with the rectangle energy-absorbing hole of preceding tiltedly mesopore insertion（316）.
2. automobile front subframe according to claim 1, it is characterized in that, after the distances of described two side bar front ends is more than
The distance at end.
3. automobile front subframe according to claim 1 or 2, it is characterized in that, described automobile front subframe is provided with both ends
The engine front mounting mounting seat being connected respectively with front beam and front beam（4）.
4. automobile front subframe according to claim 1 or 2, it is characterized in that, described leading portion is provided with a body assembly
Support counterbore（317）；Back segment is provided with a body assembly and supports counterbore；Installed provided with preceding lower swing arm assembly the upper surface for section of retreading
Support（318）；The rear portion of two opposite both sides of back segment is respectively provided with a preceding lower swing arm assembly mounting hole（319）.
5. automobile front subframe according to claim 1 or 2, it is characterized in that, described side bar is by upper Half Beam（320）With under
Half Beam（321）Connect and compose；Lumen is surrounded and formed by upper Half Beam and lower Half Beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510599199.9A CN105329319B (en) | 2015-09-18 | 2015-09-18 | Automobile front subframe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510599199.9A CN105329319B (en) | 2015-09-18 | 2015-09-18 | Automobile front subframe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105329319A CN105329319A (en) | 2016-02-17 |
| CN105329319B true CN105329319B (en) | 2017-11-28 |
Family
ID=55280158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510599199.9A Active CN105329319B (en) | 2015-09-18 | 2015-09-18 | Automobile front subframe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105329319B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TR201703185A2 (en) * | 2017-03-02 | 2018-09-21 | Yildiz Kalip Sanayi Ve Ticaret Anonim Sirketi | Engine Mount Brace Carrier with One Piece Engine Crossmember |
| CN110603187B (en) * | 2017-05-08 | 2022-08-09 | 马自达汽车株式会社 | Rear body structure of vehicle |
| CN108394466B (en) * | 2018-04-27 | 2023-12-26 | 青岛索蓝新能源科技开发有限公司 | Auxiliary frame device of pure electric vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0861765A1 (en) * | 1997-02-26 | 1998-09-02 | Dr.Ing.h.c. F. Porsche Aktiengesellschaft | Subframe |
| CN201040542Y (en) * | 2007-06-08 | 2008-03-26 | 宁波跃进汽车前桥有限公司 | Front auxiliary car frame longitudinal beam welding assembly |
| CN201737054U (en) * | 2010-06-18 | 2011-02-09 | 中国第一汽车集团公司 | Collapsing absorbing energy type auxiliary frame |
| CN201923210U (en) * | 2010-12-23 | 2011-08-10 | 奇瑞汽车股份有限公司 | Front subframe of automobile |
| CN203974945U (en) * | 2014-07-15 | 2014-12-03 | 上海汇众汽车制造有限公司 | Fore sub frame |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7520514B2 (en) * | 2004-03-31 | 2009-04-21 | Honda Motor Co., Ltd. | Body frame structure |
-
2015
- 2015-09-18 CN CN201510599199.9A patent/CN105329319B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0861765A1 (en) * | 1997-02-26 | 1998-09-02 | Dr.Ing.h.c. F. Porsche Aktiengesellschaft | Subframe |
| CN201040542Y (en) * | 2007-06-08 | 2008-03-26 | 宁波跃进汽车前桥有限公司 | Front auxiliary car frame longitudinal beam welding assembly |
| CN201737054U (en) * | 2010-06-18 | 2011-02-09 | 中国第一汽车集团公司 | Collapsing absorbing energy type auxiliary frame |
| CN201923210U (en) * | 2010-12-23 | 2011-08-10 | 奇瑞汽车股份有限公司 | Front subframe of automobile |
| CN203974945U (en) * | 2014-07-15 | 2014-12-03 | 上海汇众汽车制造有限公司 | Fore sub frame |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105329319A (en) | 2016-02-17 |
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Effective date of registration: 20180929 Address after: 315336 818 Binhai two road, Hangzhou Bay New District, Ningbo, Zhejiang Patentee after: Ningbo Jilun Auto Parts Co., Ltd. Address before: 317000 east gate of Taizhou City, Zhejiang Province Co-patentee before: Zhejiang Geely Holding Group Co., Ltd. Patentee before: Zhejiang Geely Automobile Research Institute Co., Ltd. |