CN105329319A - Vehicle front subframe - Google Patents
Vehicle front subframe Download PDFInfo
- Publication number
- CN105329319A CN105329319A CN201510599199.9A CN201510599199A CN105329319A CN 105329319 A CN105329319 A CN 105329319A CN 201510599199 A CN201510599199 A CN 201510599199A CN 105329319 A CN105329319 A CN 105329319A
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- mesopore
- energy
- brace panel
- absorbing
- side bar
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Abstract
The invention relates to the field of vehicle subframes, and an objective is to provide a vehicle front subframe. The vehicle front subframe comprises two symmetric edge beams, a front cross beam and a rear cross beam. The edge beam comprises a front segment, a front inclined segment, a middle segment, a rear inclined segment, a rear segment, a front lower energy absorption reinforcing plate, a rear energy absorption reinforcing plate, and a front upper energy absorption reinforcing plate. The edge beam is provided with a middle cavity. The front lower energy absorption reinforcing plate, the rear energy absorption reinforcing plate, and the front upper energy absorption reinforcing plate are arranged in the middle cavity. The vehicle front subframe is relatively good in collision-resistant capability, and a whole vehicle can achieve five-star collision requirement.
Description
Technical field
The present invention relates to automobile accessory frame field, especially a kind of automobile front subframe.
Background technology
Along with the high speed development of auto trade, people are more and more higher to the attention rate of the safety of the person when colliding to vehicle.E-NCAP and Euro-NCAP (EuropeanNewCarAssessmentProgramme Europe new car safe criticism association) is advocated and the safety test mechanism of raw automotive field most authority by the government that five, Europe is national, the safe criticism professional and harsh through Euro-NCAP, through the side impact test result of speed per hour 64Km/h frontal impact and speed per hour 50km/h, provide european consumer the reference frame as purchasing car and selecting; Crash tests result divides one to five-star (five-star the highest), and test event is frontal impact, side impact, lateral cylindrical body clash into, to pedestrian protecting ability with to the protection of the child in car.Chinese Patent Application No.: the utility model of 201420453235.1 provides a kind of automobile front subframe, comprise front cross rail and after cross member, two side bars be arranged symmetrically with are connected with between described front cross rail and described after cross member, described after cross member is provided with stabilizer rod, inside near described stabilizer rod installation place on described side bar is provided with several brace panels, and described brace panel is welded on the side bar upper slice of described side bar inside with in side bar bottom sheet.Though the subframe of orthodox car exist can meet fore sub frame associated mounting point intensity, rigidity, mode requirement, collision resistance is poor, thus makes car load be difficult to reach the deficiency of five-pointed star crash requirements; Therefore, design a kind of collision resistance better, thus make car load can reach the automobile front subframe of five-pointed star crash requirements, become problem demanding prompt solution.
Summary of the invention
Though the object of the invention is subframe in order to overcome current automobile exist can meet fore sub frame associated mounting point intensity, rigidity, mode requirement, but collision resistance is poor, thus make car load be difficult to reach the deficiency of five-pointed star crash requirements, there is provided a kind of collision resistance better, thus make car load can reach the automobile front subframe of five-pointed star crash requirements.
Concrete technical scheme of the present invention is:
A kind of automobile front subframe, comprises two symmetrically arranged side bars, front cross rail and after cross member; Described side bar comprises leading portion, high-end be connected with leading portion rear end before oblique section, back segment, the high-end section of retreading be connected with back segment front end, the stage casing that two ends are connected with front oblique section low side and the section of retreading low side respectively, front lower energy-absorbing brace panel, bottom surface is provided with the rear energy-absorbing brace panel of the low groove that width mates with front lower energy-absorbing brace panel width, and bottom surface is provided with the front upper energy-absorbing brace panel of the upper groove that width mates with rear energy-absorbing brace panel width; The two ends of front cross rail connect with the rear portion of two relative both sides of leading portion respectively; The two ends of after cross member connect with the rear portion of two relative both sides of back segment respectively; Side bar is provided with the lumen connected and composed successively by front mesopore, front oblique mesopore, middle part mesopore, the mesopore that retreads, rear mesopore; The two ends of front upper energy-absorbing brace panel are connected with the end face of front mesopore and the end face of middle part mesopore respectively; The front end of rear energy-absorbing brace panel is inserted in upper groove and rear end and is connected with the bottom surface of the mesopore that retreads; The rear end of front lower energy-absorbing brace panel to be inserted in low groove and is connected with front oblique mesopore bottom surface.This automobile front subframe collision resistance is better, thus makes car load can reach five-pointed star crash requirements; Side bar by leading portion, front oblique section, stage casing, the section of retreading, back segment connects and composes successively, and when being subject to fiercely colliding, experiment proves that side bar can produce at least two bendings and effectively absorbs collision energy, thus the safety of people in protection driving compartment; The two ends of front upper energy-absorbing brace panel are connected with the end face of front mesopore and the end face of middle part mesopore respectively, the front end of rear energy-absorbing brace panel is inserted in upper groove and rear end and is connected with the bottom surface of the mesopore that retreads, the rear end of front lower energy-absorbing brace panel to be inserted in low groove and is connected with front oblique mesopore bottom surface, both driving and the rigidity of side bar had been strengthened, again can when being subject to fiercely colliding, rear energy-absorbing brace panel energy and produce relative displacement between front upper energy-absorbing brace panel and front lower energy-absorbing brace panel, effectively absorbs collision energy.
As preferably, the upper surface of described leading portion is provided with and is positioned at rectangle energy-absorbing hole on front side of front cross rail and through with front oblique mesopore.When being subject to fiercely colliding, collision energy can being made significantly to decay by the generation distortion of rectangle energy-absorbing hole place or breakage, absorbing collision energy better effects if.
As preferably, the distance of two described side bar front ends is greater than the distance of rear end.Be beneficial to side bar generation bending when fiercely colliding and effectively absorb collision energy.
As preferably, described automobile front subframe is provided with the engine front mounting mount pad that two ends are connected with front beam and front cross rail respectively.Be convenient to driving engine install.
As preferably, described leading portion is provided with a body assembly supporting counterbore; Back segment is provided with a body assembly supporting counterbore; The upper surface of the section of retreading is provided with front lower swing arm assembly mounting bracket; The rear portion of two back segments both sides in opposite directions is respectively provided with a front lower swing arm assembly mounting hole.Before being convenient to body assembly, lower swing arm assembly is installed.
As 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 and forms.Be convenient to side bar manufacture.
Compared with prior art, the invention has the beneficial effects as follows: this automobile front subframe collision resistance is better, thus makes car load can reach five-pointed star crash requirements; Side bar by leading portion, front oblique section, stage casing, the section of retreading, back segment connects and composes successively, and when being subject to fiercely colliding, experiment proves that side bar can produce at least two bendings and effectively absorbs collision energy, thus the safety of people in protection driving compartment; The two ends of front upper energy-absorbing brace panel are connected with the end face of front mesopore and the end face of middle part mesopore respectively, the front end of rear energy-absorbing brace panel is inserted in upper groove and rear end and is connected with the bottom surface of the mesopore that retreads, the rear end of front lower energy-absorbing brace panel to be inserted in low groove and is connected with front oblique mesopore bottom surface, both driving and the rigidity of side bar had been strengthened, again can when being subject to fiercely colliding, rear energy-absorbing brace panel energy and produce relative displacement between front upper energy-absorbing brace panel and front lower energy-absorbing brace panel, effectively absorbs collision energy.The upper surface of leading portion is provided with and is positioned at rectangle energy-absorbing hole on front side of front cross rail and through with front oblique mesopore, when being subject to fiercely colliding, collision energy can being made significantly to decay, absorb collision energy better effects if by the generation distortion of rectangle energy-absorbing hole place or breakage.The distance of two side bar front ends is greater than the distance of rear end, is beneficial to side bar generation bending when fiercely colliding and effectively absorbs collision energy.Automobile front subframe is provided with the engine front mounting mount pad that two ends are connected with front beam and front cross rail respectively, is convenient to driving engine and installs.Body assembly supporting counterbore, front lower swing arm assembly mounting bracket and front lower swing arm assembly mounting hole, before being convenient to body assembly, lower swing arm assembly is installed.Side bar is connected and composed by upper Half Beam and lower Half Beam, is convenient to side bar manufacture.
Accompanying drawing explanation
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 cross rail-1, after cross member-2, side bar-3, leading portion-31, front tiltedly section-32, back segment-33, the section of retreading-34, stage casing-35, front lower energy-absorbing brace panel-36, low groove-37, rear energy-absorbing brace panel-38, upper groove-39, front upper energy-absorbing brace panel-310, front mesopore-311, front tiltedly mesopore-312, middle part mesopore-313, retread mesopore-314, rear mesopore-315, rectangle energy-absorbing hole-316, body assembly supporting counterbore-317, front lower swing arm assembly mounting bracket-318, front lower swing arm assembly mounting hole-319, upper Half Beam-320, lower Half Beam-321, engine front mounting mount pad-4, body assembly-6.
Detailed description of the invention
Below in conjunction with shown in accompanying drawing, the present invention is described further.
As shown in accompanying drawing 1, accompanying drawing 2: a kind of automobile front subframe, comprise two symmetrically arranged side bars 3, front cross rail 1 and after cross member 2; Described side bar 3 comprises leading portion 31, high-end be connected with leading portion 31 rear end before oblique section 32, back segment 33, the high-end section of retreading 34 be connected with back segment 33 front end, the stage casing 35 that two ends are connected with front oblique section 32 low side and the section of retreading 34 low side respectively, front lower energy-absorbing brace panel 36, bottom surface is provided with the rear energy-absorbing brace panel 38 of the low groove 37 of width and front lower energy-absorbing brace panel 36 width transition fit, and bottom surface is provided with the front upper energy-absorbing brace panel 310 of the upper groove 39 of width and rear energy-absorbing brace panel 38 width transition fit; The distance of two side bar 3 front ends is greater than the distance of rear end; The two ends of front cross rail 1 are welded with the rear portion of two relative both sides of leading portion 31 respectively; The two ends of after cross member 2 are welded with the rear portion of two relative both sides of back segment 33 respectively; Side bar 3 is provided with the lumen connected and composed successively by front mesopore 311, front oblique mesopore 312, middle part mesopore 313, the mesopore 314 that retreads, rear mesopore 315; The two ends of front upper energy-absorbing brace panel 310 are connected with the end face of front mesopore 311 and the end face screw of middle part mesopore 313 respectively; The front end of rear energy-absorbing brace panel 38 is inserted in upper groove 39 and rear end and is connected with the bottom surface screw of the mesopore 314 that retreads; The rear end of front lower energy-absorbing brace panel 36 to be inserted in low groove 37 and is connected with front oblique mesopore 312 bottom surface screw.
The upper surface of described leading portion 31 is provided with and is positioned at rectangle energy-absorbing hole 316 on front side of front cross rail 1 and through with front oblique mesopore 312.
Described automobile front subframe is provided with the engine front mounting mount pad 4 that two ends are connected with front beam and front cross rail 1 screw respectively.
Described leading portion 31 is provided with a body assembly supporting counterbore 317; Back segment 33 is provided with a body assembly supporting counterbore 317; The upper surface of the section of retreading 34 is provided with front lower swing arm assembly mounting bracket 318; The rear portion of two back segments 33 both sides in opposite directions is respectively provided with a front lower swing arm assembly mounting hole 319.
In the present embodiment, in the present embodiment, described side bar 3 is welded by upper Half Beam 320 and lower Half Beam 321 and forms; Lumen is surrounded by upper Half Beam 320 and lower Half Beam 321 and forms.
When this automobile front subframe uses, supporting counterbore 317 supports body assembly, and driving engine is arranged on engine front mounting mount pad 4, and front lower swing arm assembly is connected with front lower swing arm assembly mounting bracket 318 and front lower swing arm assembly mounting hole 319 respectively.
The invention has the beneficial effects as follows: this automobile front subframe collision resistance is better, thus makes car load can reach five-pointed star crash requirements; Side bar by leading portion, front oblique section, stage casing, the section of retreading, back segment connects and composes successively, and when being subject to fiercely colliding, experiment proves that side bar can produce at least two bendings and effectively absorbs collision energy, thus the safety of people in protection driving compartment; The two ends of front upper energy-absorbing brace panel are connected with the end face of front mesopore and the end face of middle part mesopore respectively, the front end of rear energy-absorbing brace panel is inserted in upper groove and rear end and is connected with the bottom surface of the mesopore that retreads, the rear end of front lower energy-absorbing brace panel to be inserted in low groove and is connected with front oblique mesopore bottom surface, both driving and the rigidity of side bar had been strengthened, again can when being subject to fiercely colliding, rear energy-absorbing brace panel energy and produce relative displacement between front upper energy-absorbing brace panel and front lower energy-absorbing brace panel, effectively absorbs collision energy.The upper surface of leading portion is provided with and is positioned at rectangle energy-absorbing hole on front side of front cross rail and through with front oblique mesopore, when being subject to fiercely colliding, collision energy can being made significantly to decay, absorb collision energy better effects if by the generation distortion of rectangle energy-absorbing hole place or breakage.The distance of two side bar front ends is greater than the distance of rear end, is beneficial to side bar generation bending when fiercely colliding and effectively absorbs collision energy.Automobile front subframe is provided with the engine front mounting mount pad that two ends are connected with front beam and front cross rail respectively, is convenient to driving engine and installs.Body assembly supporting counterbore, front lower swing arm assembly mounting bracket and front lower swing arm assembly mounting hole, before being convenient to body assembly, lower swing arm assembly is installed.Side bar is connected and composed by upper Half Beam and lower Half Beam, is convenient to side bar manufacture.
It is apparent to one skilled in the art that the present invention can change into various ways, and such change is not thought and departed from the scope of the present invention.All like this to the apparent amendment of the technical personnel in described field, by be included in this claim scope within.
Claims (6)
1. an automobile front subframe, comprises two symmetrically arranged side bars (3), front cross rail (1) and after cross member (2); It is characterized in that, described side bar comprises leading portion (31), front tiltedly section (32), back segment (33), the section of retreading (34), the stage casing (35) be connected with front oblique section low side and the section of retreading low side respectively, front lower energy-absorbing brace panel (36), bottom surface is provided with the rear energy-absorbing brace panel (38) of the low groove (37) that width mates with front lower energy-absorbing brace panel width, and bottom surface is provided with the front upper energy-absorbing brace panel (310) of the upper groove (39) that width mates with rear energy-absorbing brace panel width; The two ends of front cross rail connect with the rear portion of two relative both sides of leading portion respectively; The two ends of after cross member connect with the rear portion of two relative both sides of back segment respectively; Side bar is provided with the lumen connected and composed successively by front mesopore (311), front oblique mesopore (312), middle part mesopore (313), the mesopore that retreads (314), rear mesopore (315); The two ends of front upper energy-absorbing brace panel are connected with the end face of front mesopore and the end face of middle part mesopore respectively; The front end of rear energy-absorbing brace panel is inserted in upper groove and rear end and is connected with the bottom surface of the mesopore that retreads; The rear end of front lower energy-absorbing brace panel to be inserted in low groove and is connected with front oblique mesopore bottom surface.
2. automobile front subframe according to claim 1, is characterized in that, the upper surface of described leading portion is provided with and is positioned at rectangle energy-absorbing hole (316) on front side of front cross rail and through with front oblique mesopore.
3. automobile front subframe according to claim 1 and 2, is characterized in that, the distance of two described side bar front ends is greater than the distance of rear end.
4. automobile front subframe according to claim 1 and 2, is characterized in that, described automobile front subframe is provided with the engine front mounting mount pad (4) that two ends are connected with front beam and front cross rail respectively.
5. automobile front subframe according to claim 1 and 2, is characterized in that, described leading portion is provided with body assembly supporting counterbore (317); Back segment is provided with a body assembly supporting counterbore; The upper surface of the section of retreading is provided with front lower swing arm assembly mounting bracket (318); The rear portion of two back segments both sides in opposite directions is respectively provided with a front lower swing arm assembly mounting hole (319).
6. automobile front subframe according to claim 1 and 2, is characterized in that, described side bar is connected and composed by upper Half Beam (320) and lower Half Beam (321); Lumen is surrounded by upper Half Beam and lower Half Beam and forms.
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 true CN105329319A (en) | 2016-02-17 |
| CN105329319B CN105329319B (en) | 2017-11-28 |
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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) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108394466A (en) * | 2018-04-27 | 2018-08-14 | 青岛索蓝新能源科技开发有限公司 | Pure electric automobile subframe device |
| WO2018236317A3 (en) * | 2017-03-02 | 2019-02-14 | Yildiz Kalip Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ | An engine axle beam with a single part engine bracket mounting part carrier |
| CN110603187A (en) * | 2017-05-08 | 2019-12-20 | 马自达汽车株式会社 | Rear body structure of vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0861765A1 (en) * | 1997-02-26 | 1998-09-02 | Dr.Ing.h.c. F. Porsche Aktiengesellschaft | Subframe |
| WO2005095181A1 (en) * | 2004-03-31 | 2005-10-13 | Honda Motor Co., Ltd. | Vehicle body frame structure |
| 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 |
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2015
- 2015-09-18 CN CN201510599199.9A patent/CN105329319B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0861765A1 (en) * | 1997-02-26 | 1998-09-02 | Dr.Ing.h.c. F. Porsche Aktiengesellschaft | Subframe |
| WO2005095181A1 (en) * | 2004-03-31 | 2005-10-13 | Honda Motor Co., Ltd. | Vehicle body frame structure |
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018236317A3 (en) * | 2017-03-02 | 2019-02-14 | Yildiz Kalip Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ | An engine axle beam with a single part engine bracket mounting part carrier |
| CN110603187A (en) * | 2017-05-08 | 2019-12-20 | 马自达汽车株式会社 | Rear body structure of vehicle |
| CN108394466A (en) * | 2018-04-27 | 2018-08-14 | 青岛索蓝新能源科技开发有限公司 | Pure electric automobile subframe device |
| 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 |
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| Publication number | Publication date |
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| CN105329319B (en) | 2017-11-28 |
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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. |
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