CN103523099B - Passenger vehicle front floor framework structure - Google Patents
Passenger vehicle front floor framework structure Download PDFInfo
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- CN103523099B CN103523099B CN201310532493.9A CN201310532493A CN103523099B CN 103523099 B CN103523099 B CN 103523099B CN 201310532493 A CN201310532493 A CN 201310532493A CN 103523099 B CN103523099 B CN 103523099B
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- cover plate
- longeron
- gusset piece
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- front floor
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Abstract
The invention discloses a kind of passenger vehicle front floor framework structure, its previously above plate corresponding left longeron gusset piece be provided with left longeron gusset piece cover plate, left longeron gusset piece cover plate left end is connected with the left inside longeron cover plate in the front floor corresponding with left inside longeron, is connected with a left side second interior beam cover plate corresponding with left second interior beam in the middle part of left longeron gusset piece cover plate; Above plate, corresponding right vertical beam gusset piece is provided with right vertical beam gusset piece cover plate previously, right vertical beam gusset piece cover plate right-hand member is connected with the right inside longeron cover plate in the front floor corresponding with right inside longeron, is connected with the right side second interior beam cover plate corresponding with right second interior beam in the middle part of right vertical beam gusset piece cover plate.The present invention sets up reinforcement by ingenious above floor, improve the intensity of attachment point after the longitudinal rigidity of front floor framework beam and front rack, to decrease after the deflection of interior beam in collision process and front rack the amount of moving after attachment point, and then expand the living space of occupant, improve the head-on crash performance of manned vehicle.
Description
Technical field
The present invention relates to passenger vehicle body ground plate technique, refer to a kind of passenger vehicle front floor framework structure particularly.
Background technology
Safety is focus important in automobile R&D process, ensures that in collision process, occupant safety is the consistent pursuit of auto trade, and wherein, before improving, the collision performance of floor panel structure is one of important means improving vehicle safety.At present, because front rack attachment point is on front stringpiece of vehicle body and on longeron gusset piece, in head-on crash process, the distortion of front side member has driven the distortion of longeron connecting panel and front floor interior beam by front rack, after causing the deflection of floor interior beam in head-on crash process and front rack, after attachment point, the amount of moving increases, thus making front floor be out of shape seriously when central collision, occupant's living space is not enough, and then causes the head of chaufeur, chest, and the position such as thigh easily comes to harm.
Summary of the invention
Object of the present invention will provide a kind of passenger vehicle front floor framework structure exactly, to improve the head-on crash performance on front floor, reduces deflection.
For achieving the above object, the technical solution used in the present invention is: a kind of passenger vehicle front floor framework structure, comprise the left front girder below front floor and front right longitudinal beam, the rear end of described left front girder connects the left inside longeron in front floor, the rear end of described front right longitudinal beam connects the right inside longeron in front floor, the front end of the left inside longeron in described front floor is connected with horizontal left longeron gusset piece, the front end of the right inside longeron in described front floor is connected with horizontal right vertical beam gusset piece, the right-hand member of described left longeron gusset piece is connected with left second interior beam, the left end of described right vertical beam gusset piece is connected with right second interior beam, passage back veneer is provided with between described left second interior beam and described right second interior beam, the left end of described left longeron gusset piece is connected with left side longeron, the right-hand member of described right vertical beam gusset piece is connected with the right longeron, above plate, corresponding described left longeron gusset piece is provided with left longeron gusset piece cover plate previously, described left longeron gusset piece cover plate left end is connected with the left inside longeron cover plate in the front floor corresponding with described left inside longeron, the a left side second interior beam cover plate corresponding with described left second interior beam is connected with in the middle part of described left longeron gusset piece cover plate, above plate, corresponding described right vertical beam gusset piece is provided with right vertical beam gusset piece cover plate previously, described right vertical beam gusset piece cover plate right-hand member is connected with the right inside longeron cover plate in the front floor corresponding with described right inside longeron, is connected with the right side second interior beam cover plate corresponding with described right second interior beam in the middle part of described right vertical beam gusset piece cover plate.
The present invention passes through the interior beam of plate previously, second interior beam, and increase left longeron gusset piece cover plate above front floor corresponding to longeron gusset piece, the left inside longeron cover plate in front floor, left second interior beam cover plate, right vertical beam gusset piece cover plate, the right inside longeron cover plate in front floor, and right second these reinforcements of interior beam cover plate strengthen the longitudinal rigidity of front floor framework beam, because front rack front end attachment point is positioned on left front girder and front right longitudinal beam, rear end attachment point is positioned on left longeron gusset piece and right vertical beam gusset piece, thus structure of the present invention significantly improves the intensity of attachment point after front rack, to decrease after the deflection of interior beam in head-on crash process and front rack the amount of moving after attachment point, and then the body structure deflection of front floor area when decreasing central collision, expand the living space of occupant, improve the head-on crash performance of manned vehicle, connect closely reliable between the reinforcement of the present invention each side, further increase the intensity of attachment point after the longitudinal rigidity of front floor framework beam and front rack, structure of the present invention is simple, manufacturability and good economy performance.
Further, the front end of described front floor left inside longeron cover plate is connected with the rear end of described left front girder, is provided with left front seat front cross rail above described floor, and the rear end of described front floor left inside longeron cover plate is connected with described left front seat front cross rail.
Further, the front end of described front floor right inside longeron cover plate is connected with the rear end of described front right longitudinal beam, is provided with right front seat front cross rail above described floor, and the rear end of described front floor right inside longeron cover plate is connected with described right front seat front cross rail.
Further, the right-hand member of described left longeron gusset piece cover plate and the left end of described right vertical beam gusset piece cover plate are connected with described passage back veneer respectively.
Further, the front end of described left second interior beam cover plate is connected with the middle part of described left longeron gusset piece cover plate, is provided with left front seat front cross rail above described floor, and the rear end of described left second interior beam cover plate is connected with described left front seat front cross rail.
Further, the front end of described right second interior beam cover plate is connected with the middle part of described right vertical beam gusset piece cover plate, is provided with right front seat front cross rail above described floor, and the rear end of described right second interior beam cover plate is connected with described right front seat front cross rail.
Further, the section of described front floor left inside longeron cover plate is in " several " font, and be provided with left brace panel in the inside of described front floor left inside longeron cover plate, described left brace panel is provided with reinforced rib and boss.Left brace panel is for strengthening the interlude of the left inside longeron cover plate in front floor.
Further, the section of described front floor right inside longeron cover plate is in " several " font, and be provided with right brace panel in the inside of described front floor right inside longeron cover plate, described right brace panel is provided with reinforced rib and boss.Right brace panel is for strengthening the interlude of the right inside longeron cover plate in front floor.
Further, described left front girder is provided with left front girder cover plate, and described front right longitudinal beam is provided with front right longitudinal beam cover plate.
Further, the section of described left second interior beam cover plate and described right second interior beam cover plate is all in " several " font.
Accompanying drawing explanation
Fig. 1 is floor skeleton structure schematic diagram.
Fig. 2 is body bottom panel welding assembly structure schematic diagram.
Fig. 3 is reinforcement structure schematic diagram above front floor.
Fig. 4 is that above front floor, reinforcement welds relation schematic diagram with framework beam below front floor.
Fig. 5 is front floor left inside longeron cover plate and left brace panel detonation configuration schematic diagram thereof.
Fig. 6 be Fig. 1 look up structural representation.
Fig. 7 be Fig. 2 look up structural representation.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, is convenient to more clearly understand the present invention, but they do not form restriction to the present invention.
As shown in Figure 1, a kind of passenger vehicle front floor framework structure, comprise the left front girder 1 below front floor and front right longitudinal beam 2, described left front girder 1 is provided with left front girder cover plate 19, described front right longitudinal beam 2 is provided with front right longitudinal beam cover plate 20, the rear end of described left front girder 1 connects the left inside longeron 3 in front floor, the rear end of described front right longitudinal beam 2 connects the right inside longeron 4 in front floor, front surrounding baffle crossbeam 21 is connected with between the rear end of described left front girder 1 and the rear end of described front right longitudinal beam 2, the front end of the left inside longeron in described front floor 3 is connected with horizontal left longeron gusset piece 5, the front end of the right inside longeron in described front floor 4 is connected with horizontal right vertical beam gusset piece 6, the right-hand member of described left longeron gusset piece 5 is connected with left second interior beam 7, the left end of described right vertical beam gusset piece 6 is connected with right second interior beam 8, passage back veneer 9 is provided with between described left second interior beam 7 and described right second interior beam 8, above plate, corresponding described left longeron gusset piece 5 is provided with left longeron gusset piece cover plate 10 previously, described left longeron gusset piece cover plate 10 left end is connected with the front floor left inside longeron cover plate 11 corresponding with described left inside longeron 3, the a left side second interior beam cover plate 12 corresponding with described left second interior beam 7 is connected with in the middle part of described left longeron gusset piece cover plate 10, above plate, corresponding described right vertical beam gusset piece 6 is provided with right vertical beam gusset piece cover plate 13 previously, described right vertical beam gusset piece cover plate 13 right-hand member is connected with the front floor right inside longeron cover plate 14 corresponding with described right inside longeron 4, is connected with the right side second interior beam cover plate 15 corresponding with described right second interior beam 8 in the middle part of described right vertical beam gusset piece cover plate 13.In addition, the left end of described left longeron gusset piece 5 is connected with left side longeron 22, and the right-hand member of described right vertical beam gusset piece 6 is connected with the right longeron 23.
As shown in Figure 2, left longeron gusset piece cover plate 10, the left inside longeron cover plate 11 in front floor, left second interior beam cover plate 12, right vertical beam gusset piece cover plate 13, the right inside longeron cover plate 14 in front floor, and right second interior beam cover plate 15 is positioned at above floor, left longeron gusset piece cover plate 10 and right vertical beam gusset piece cover plate 13 are positioned at the top of front surrounding baffle 24, the right-hand member of described left longeron gusset piece cover plate 10 and the left end of described right vertical beam gusset piece cover plate 13 are connected with described passage back veneer 9 respectively, the left end of described left longeron gusset piece cover plate 10 connects the left inside longeron 3 in front floor, the right-hand member of described right vertical beam gusset piece cover plate 13 connects the right inside longeron 4 in front floor, left longeron gusset piece cover plate 10 and right vertical beam gusset piece cover plate 13 are for strengthening left longeron gusset piece 5 below floor and right vertical beam gusset piece 6, because attachment point be provided with front rack on left longeron gusset piece 5 and right vertical beam gusset piece 6 after, it bears larger power in head-on crash process.The front end of described front floor left inside longeron cover plate 11 is connected with the rear end of described left front girder 1, is provided with left front seat front cross rail 16 above described floor, and the rear end of described front floor left inside longeron cover plate 11 is connected with described left front seat front cross rail 16.The front end of described front floor right inside longeron cover plate 14 is connected with the rear end of described front right longitudinal beam 2, is provided with right front seat front cross rail 17 above described floor, and the rear end of described front floor right inside longeron cover plate 14 is connected with described right front seat front cross rail 17.The front end of described left second interior beam cover plate 12 is connected with the middle part of described left longeron gusset piece cover plate 10, is provided with left front seat front cross rail 16 above described floor, and the rear end of described left second interior beam cover plate 12 is connected with described left front seat front cross rail 16.The front end of described right second interior beam cover plate 15 is connected with the middle part of described right vertical beam gusset piece cover plate 13, is provided with right front seat front cross rail 17 above described floor, and the rear end of described right second interior beam cover plate 15 is connected with described right front seat front cross rail 17.
As shown in Fig. 3, Fig. 4, the left inside longeron in front floor 3, the right inside longeron in front floor 4, left second interior beam 7, right second interior beam 8 section are all down " several " font, are fitted in below front floor and front surrounding baffle 24 and weld.Be positioned at the left inside longeron cover plate 11 in front floor above front floor, the right inside longeron cover plate 14 in front floor, left second interior beam cover plate 12, the section of right second interior beam cover plate 15 is all in " several " font, front floor left inside longeron cover plate 11 is welded on above the left inside longeron 3 in front floor, front floor right inside longeron cover plate 14 is welded on the top of the right inside longeron 4 in front floor, left second interior beam cover plate 12 is welded on the top of left second interior beam 7, right second interior beam cover plate 15 is welded on the top of right second interior beam 8, left longeron gusset piece cover plate 10 is welded on the top of left longeron gusset piece 5, right vertical beam gusset piece cover plate 13 is welded on the top of right vertical beam gusset piece 6, that is: the reinforcement above front floor is through the framework beam weld together below front floor and front floor, section is 8-shaped.
As shown in Figure 5, the section of front floor left inside longeron cover plate 11 is in " several " font, left brace panel 18 is provided with in the inside of described front floor left inside longeron cover plate 11, described left brace panel 18 is provided with reinforced rib and boss, left brace panel 18 is fitted in the interior welds of the left inside longeron cover plate 11 in front floor, the stage casing of the left inside longeron cover plate 11 in the same floor of its structure is similar to, and increases reinforced rib and boss, to improve rigidity; The symmetrical configuration of front floor right inside longeron cover plate 14 and the left inside longeron cover plate 11 in front floor, equally, be provided with right brace panel in the inside of described front floor right inside longeron cover plate 14, described right brace panel is provided with reinforced rib and boss.
Principle of the present invention is as shown in Fig. 6, Fig. 7, and when a frontal collision occurs, impact is born primarily of left front girder 1 and left front girder 2, and back kick is delivered to the right inside longeron 4 of the left inside longeron in front floor 3 and front floor, another part impact is delivered on the left longeron gusset piece 5 in rear attachment point place and right vertical beam gusset piece 6 by front rack 25, like this, often can occur in head-on crash process, to appear at the left inside longeron 3 in front floor, the right inside longeron 4 in front floor, left second interior beam 7 and right second interior beam 8 produce the phenomenon of bending, front portion, front floor 26 is caused to subside, chaufeur living space is not enough, and after above floor, reinforcement is set, the left inside longeron cover plate 11 in front floor, the right inside longeron cover plate 14 in front floor, left second interior beam cover plate 12, right second interior beam cover plate 15, left longeron gusset piece cover plate 10, the position that right vertical beam gusset piece cover plate 13 can easily bend these or subside is strengthened, thus effectively strengthen front floor framework beam longitudinal rigidity and increase front rack attachment point structural strength, to reduce the distortion at floor location place before in head-on crash process, thus expand occupant's living space, reach the effect improving vehicle frontal collision performance.
Claims (10)
1. a passenger vehicle front floor framework structure, comprise the left front girder (1) below front floor and front right longitudinal beam (2), the rear end of described left front girder (1) connects the left inside longeron in front floor (3), the rear end of described front right longitudinal beam (2) connects the right inside longeron in front floor (4), the front end on the left inside longeron in described front floor (3) is connected with horizontal left longeron gusset piece (5), the front end on the right inside longeron in described front floor (4) is connected with horizontal right vertical beam gusset piece (6), the right-hand member of described left longeron gusset piece (5) is connected with left second interior beam (7), the left end of described right vertical beam gusset piece (6) is connected with right second interior beam (8), passage back veneer (9) is provided with between described left second interior beam (7) and described right second interior beam (8), the left end of described left longeron gusset piece (5) is connected with left side longeron (22), the right-hand member of described right vertical beam gusset piece (6) is connected with the right longeron (23), it is characterized in that: above plate, corresponding described left longeron gusset piece (5) is provided with left longeron gusset piece cover plate (10) previously, described left longeron gusset piece cover plate (10) left end is connected with the left inside longeron cover plate (11) in the front floor corresponding with the left inside longeron in described front floor (3), described left longeron gusset piece cover plate (10) middle part is connected with a left side second interior beam cover plate (12) corresponding with described left second interior beam (7), above plate, corresponding described right vertical beam gusset piece (6) is provided with right vertical beam gusset piece cover plate (13) previously, described right vertical beam gusset piece cover plate (13) right-hand member is connected with the right inside longeron cover plate (14) in the front floor corresponding with described right inside longeron (4), and described right vertical beam gusset piece cover plate (13) middle part is connected with the right side second interior beam cover plate (15) corresponding with described right second interior beam (8).
2. passenger vehicle front floor framework structure according to claim 1, it is characterized in that: the front end on described front floor left inside longeron cover plate (11) is connected with the rear end of described left front girder (1), be provided with left front seat front cross rail (16) above described floor, the rear end on described front floor left inside longeron cover plate (11) is connected with described left front seat front cross rail (16).
3. passenger vehicle front floor framework structure according to claim 1, it is characterized in that: the front end on described front floor right inside longeron cover plate (14) is connected with the rear end of described front right longitudinal beam (2), be provided with right front seat front cross rail (17) above described floor, the rear end on described front floor right inside longeron cover plate (14) is connected with described right front seat front cross rail (17).
4. passenger vehicle front floor framework structure according to claim 1, is characterized in that: the right-hand member of described left longeron gusset piece cover plate (10) and the left end of described right vertical beam gusset piece cover plate (13) are connected with described passage back veneer (9) respectively.
5. passenger vehicle front floor framework structure according to claim 1, it is characterized in that: the front end of described left second interior beam cover plate (12) is connected with the middle part of described left longeron gusset piece cover plate (10), be provided with left front seat front cross rail (16) above described floor, the rear end of described left second interior beam cover plate (12) is connected with described left front seat front cross rail (16).
6. passenger vehicle front floor framework structure according to claim 1, it is characterized in that: the front end of described right second interior beam cover plate (15) is connected with the middle part of described right vertical beam gusset piece cover plate (13), be provided with right front seat front cross rail (17) above described floor, the rear end of described right second interior beam cover plate (15) is connected with described right front seat front cross rail (17).
7. passenger vehicle front floor framework structure according to claim 1 and 2, it is characterized in that: the section on described front floor left inside longeron cover plate (11) is in " several " font, be provided with left brace panel (18) in the inside on described front floor left inside longeron cover plate (11), described left brace panel (18) is provided with reinforced rib and boss.
8. the passenger vehicle front floor framework structure according to claim 1 or 3, it is characterized in that: the section on described front floor right inside longeron cover plate (14) is in " several " font, be provided with right brace panel in the inside on described front floor right inside longeron cover plate (14), described right brace panel is provided with reinforced rib and boss.
9. passenger vehicle front floor framework structure according to claim 1, it is characterized in that: described left front girder (1) is provided with left front girder cover plate (19), described front right longitudinal beam (2) is provided with front right longitudinal beam cover plate (20).
10. passenger vehicle front floor framework structure according to claim 1, is characterized in that: the section of described left second interior beam cover plate (12) and described right second interior beam cover plate (15) is all in " several " font.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310532493.9A CN103523099B (en) | 2013-10-31 | 2013-10-31 | Passenger vehicle front floor framework structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310532493.9A CN103523099B (en) | 2013-10-31 | 2013-10-31 | Passenger vehicle front floor framework structure |
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| Publication Number | Publication Date |
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| CN103523099A CN103523099A (en) | 2014-01-22 |
| CN103523099B true CN103523099B (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310532493.9A Active CN103523099B (en) | 2013-10-31 | 2013-10-31 | Passenger vehicle front floor framework structure |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105667604A (en) * | 2016-03-31 | 2016-06-15 | 上海长安汽车工程技术有限公司 | Reinforcement structure for front wall panel and front floor of automobile |
| CN109204479B (en) * | 2017-06-30 | 2020-11-06 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
| CN109204540B (en) * | 2017-06-30 | 2020-10-20 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
| CN109204506B (en) * | 2017-06-30 | 2020-12-25 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
| CN110329360B (en) * | 2018-03-30 | 2021-05-14 | 比亚迪股份有限公司 | Vehicle body structure and automobile |
| CN111169547B (en) * | 2018-10-24 | 2021-06-18 | 比亚迪股份有限公司 | Automobile body force transmission structure and automobile |
| CN114408026A (en) * | 2022-03-01 | 2022-04-29 | 奇瑞商用车（安徽）有限公司 | Universal automobile front floor assembly |
| CN115257961A (en) * | 2022-06-30 | 2022-11-01 | 岚图汽车科技有限公司 | Electric commercial vehicle front floor structure and electric commercial vehicle |
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| US6203099B1 (en) * | 1998-02-19 | 2001-03-20 | Honda Giken Kogyo Kabushiki Kaisha | Automobile body frame |
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