CN103523100B - Floor assembly structure after plug-in hybrid-power automobile - Google Patents

Floor assembly structure after plug-in hybrid-power automobile Download PDF

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Publication number
CN103523100B
CN103523100B CN201310532567.9A CN201310532567A CN103523100B CN 103523100 B CN103523100 B CN 103523100B CN 201310532567 A CN201310532567 A CN 201310532567A CN 103523100 B CN103523100 B CN 103523100B
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floor
longeron
battery flat
veneer
plate
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CN103523100A (en
Inventor
李仲奎
王云中
秦信武
吴杰余
李峥
章国光
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Dongfeng Motor Corp
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Dongfeng Motor Corp
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Abstract

The invention discloses floor assembly structure after a kind of plug-in hybrid-power automobile, including rear floor frame structure and rear floor structure thereon, rear floor frame structure forms two closed hoop structures, rear floor structure includes rear floor first half and battery flat, on the first half of rear floor, after correspondence, the position of the left longeron in floor and rear floor right vertical beam is respectively equipped with rear floor left front girder back veneer and rear floor front right longitudinal beam back veneer, rear floor first half arranged beneath fuel tank, suspending electrokinetic cell on battery flat, battery flat two bottom sides is inclined upwardly and takes in。The present invention improves stability and the load-bearing capacity of rear floor frame structure, it is achieved that electrokinetic cell and strengthen the longitudinal rigidity of fuel tank while the appropriate layout of fuel tank well, it is to avoid during collision, fuel tank is squeezed;The acclivitous structure of battery flat two bottom sides, pulled open the distance between itself and exhaustor, it is to avoid battery is impacted by exhaustor high temperature。

Description

Floor assembly structure after plug-in hybrid-power automobile
Technical field
The present invention relates to body platform technology, in particular to floor assembly structure after a kind of plug-in hybrid-power automobile。
Background technology
Plug-in hybrid-power automobile, is a oil-electric vehicle, electromotor and motor drive, and therefore, vehicle body should load fuel tank, loads electrokinetic cell again。And part is various on vehicle body, consider the arrangement space problem of exhaustor and fuel tank, general electrokinetic cell is arranged in after bottom of luggage case on floor, but this arrangement is extremely challenging to rear floor structure design, the factor that need to consider is a lot, while considering space rational deployment, also need the structural strength on floor after strengthening, and current rear floor structure still has much room for improvement in intensity。
Summary of the invention
Present invention aim to provide floor assembly structure after a kind of plug-in hybrid-power automobile, this structure, while realizing electrokinetic cell and the appropriate layout of fuel tank, improves the intensity on rear floor。
For achieving the above object, the technical solution used in the present invention is: floor assembly structure after a kind of plug-in hybrid-power automobile, including rear floor frame structure and the rear floor structure covered in described rear floor frame structure, rear floor frame structure includes the left longeron in rear floor and rear floor right vertical beam, the front end of the left longeron in described rear floor and rear floor right vertical beam connects the two ends of floor crossmember back veneer respectively, the middle part of the left longeron in described rear floor and rear floor right vertical beam connect respectively after the two ends of floor front beam, the rear end of the left longeron in described rear floor and rear floor right vertical beam connect respectively after the two ends of Floor rear crossbeam, form the closed hoop structure of two next-door neighbours, described rear floor structure includes covering the rear floor first half above the circulus of described rear floor frame structure front portion and covers the battery flat above the circulus of described rear floor frame structure rear portion, on the first half of described rear floor, after correspondence, the position of the left longeron in floor and rear floor right vertical beam is respectively equipped with rear floor left front girder back veneer and the rear floor front right longitudinal beam back veneer of longitudinally arrangement, described rear floor left front girder back veneer is connected with the left longeron in described rear floor through rear floor first half, described rear floor front right longitudinal beam back veneer is connected with described rear floor right vertical beam through rear floor first half, described rear floor first half arranged beneath fuel tank, described battery flat suspends electrokinetic cell, described battery flat two bottom sides is inclined upwardly and takes in。
Rear floor frame structure is designed to the twin nuclei of Guan Bi by the present invention, closed hoop structure is utilized to have the structural principle of higher rigidity and intensity, improve stability and the load-bearing capacity of rear floor frame structure, and fuel tank is arranged in front ring by employing, electrokinetic cell bag is arranged in the version in rear ring, while realizing electrokinetic cell and the appropriate layout of fuel tank, improve rear floor itself and the upper intensity installing point thereof;And by setting up the rear floor left front girder back veneer and rear floor front right longitudinal beam back veneer being connected with the left longeron in rear floor and rear floor right vertical beam respectively through floor on rear floor structure, improve the intensity of rear floor frame structure further, and floor left front girder back veneer and rear floor front right longitudinal beam back veneer are positioned at the both sides of fuel tank afterwards, the longitudinal rigidity of fuel tank both sides can be strengthened well, it is to avoid when being collided after floor, fuel tank is squeezed;Simultaneously, battery flat two bottom sides is designed to acclivitous structure by the present invention, this version is conducive to the layout of exhaustor, when exhaustor is arranged in below battery flat, acclivitous structure has pulled open the distance between battery flat and exhaustor herein, it is to avoid battery is impacted by exhaustor high temperature。
Further, it is latter half of that the left longeron in described rear floor includes the left longeron of rear floor left longeron first half and rear floor, anterior overlapping latter half of with the left longeron in described rear floor welds together at the rear portion of described rear floor left longeron first half, described rear floor left front girder back veneer it is connected with above the left longeron first half of described rear floor, the latter half of top of left longeron, described rear floor is connected with the left fixed support beam of battery bag, the left fixed support beam of described battery bag has breach, the rear portion of the left longeron first half in described rear floor extends to the inside, along being provided with the flange that the left side wall with described battery flat overlaps in this extended surface, and this extended surface has multiple welding via with flange。Rear floor left-right longeron adopts front and back two-part structure, longer overlay segment is designed between the section of front and back, to increase the longeron longitudinal rigidity in battery bag both sides, meanwhile, battery bag fixed support beam longitudinal design, it is welded on the top of rear longitudinal floor beam, the rigidity of longitudinal floor beam after strengthening well, and in both sides, front upper place, rear floor, floor left front girder back veneer and rear floor front right longitudinal beam back veneer after increase, to increase the longeron longitudinal rigidity in fuel tank both sides。
Further, described battery flat includes the battery flat body of annular and the battery flat base plate of spill, and the front side downward bending of described battery flat body becomes front side board, and the rear side downward bending of described battery flat body becomes back side panel, the left side of described battery flat base plate is upwards bent into left plate, the right side of described battery flat base plate is upwards bent into right plate, described front side board, back side panel, left plate, right plate, and the middle part of described battery flat base plate surrounds an open-top, the box body that surrounding and bottom are all airtight。After the front side board of battery flat body and back side panel launch, only middle part one fritter area is by blanking, blanking is the rectangle of comparatively rule, can be utilized again, and the flitch shape of battery flat base plate is also comparatively regular, therefore, this partitioned organization form improves the utilization rate of rear flooring material, decrease the error accumulation in welding job amount and welding process, improve welding and punching process character, it also avoid the phenomenon that corner is easily wrinkling and ftractures。
Further, the edge, the left and right sides of described battery flat body internal ring is respectively equipped with vertically welds flange, the end of described front side board and back side panel, is along being respectively equipped with level welding flange, the step surface of flange cooperation is welded in the both sides, front and back of battery flat base plate along being respectively equipped with described level, the top of described left plate and right plate is along being respectively equipped with the solder side extended outward, and the two ends place of described left plate and right plate is respectively equipped with flange face。Do suitable process by the overlap edge structure of battery flat body Yu battery flat base plate, it is achieved two parts after separately can both facilitate molding, also can realize the smooth welding between two parts。
Further, the rear end of described rear floor left front girder back veneer connects the left end of described rear floor front beam, and the rear end of described rear floor front right longitudinal beam back veneer connects the right-hand member of described rear floor front beam。
Accompanying drawing explanation
Fig. 1 is floor assembly structure schematic diagram after plug-in hybrid-power automobile。
Fig. 2 is explosive view when Fig. 1 unloaded fuel tank and electrokinetic cell。
Fig. 3 is rear floor frame structural representation。
Fig. 4 is rear floor structure schematic diagram。
Fig. 5 is the polycrystalline substance schematic diagram of Fig. 1。
Fig. 6 is the left longitudinal beam structure schematic diagram in rear floor。
Fig. 7 is the explosive view of Fig. 6。
Fig. 8 is the polycrystalline substance schematic diagram of the left longeron in rear floor
Fig. 9 is battery flat partitioned organization schematic diagram。
Figure 10 is battery flat body partial structurtes schematic diagram。
Figure 11 is battery flat base plate partial structurtes schematic diagram
Figure 12 is the Fig. 1 cross-sectional configuration schematic diagram at battery bag place。
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, it is simple to more clearly understand the present invention, but the present invention is not constituted restriction by them。
As it is shown in figure 1, floor assembly structure after a kind of plug-in hybrid-power automobile, including rear floor frame structure 1 and the rear floor structure 2 covered in described rear floor frame structure 1。
Such as Fig. 2, shown in Fig. 3, rear floor frame structure includes the left longeron in rear floor 101 and rear floor right vertical beam 102, the front end of the left longeron in described rear floor 101 and rear floor right vertical beam 102 connects the two ends of floor crossmember back veneer 103 respectively, the middle part of the left longeron in described rear floor 101 and rear floor right vertical beam 102 connect respectively after the two ends of floor front beam 104, the rear end of the left longeron in described rear floor 101 and rear floor right vertical beam 102 connect respectively after the two ends of Floor rear crossbeam 105, " two vertical three is horizontal " forms the closed hoop structures of two next-door neighbours。
Such as Fig. 2, shown in Fig. 4, described rear floor structure 2 includes covering the rear floor first half 201 above the anterior circulus of described rear floor frame structure 1 and covers the battery flat 202 above the circulus of described rear floor frame structure 1 rear portion, on described rear floor first half 201, after correspondence, the position of the left longeron in floor 101 and rear floor right vertical beam 102 is respectively equipped with rear floor left front girder back veneer 3 and the rear floor front right longitudinal beam back veneer 4 of longitudinally arrangement, described rear floor left front girder back veneer 3 is connected with the left longeron 101 in described rear floor through rear floor first half 201, described rear floor front right longitudinal beam back veneer 4 is connected with described rear floor right vertical beam 102 through rear floor first half 201, described battery flat 202 suspends electrokinetic cell 6, in order to reach good rear collision performance, in the layout of electrokinetic cell 6, when conditions permit, as far as possible to reach, to increase the distance of battery bag and body rear end, thus increasing energy-absorbing space, as shown in Figure 5, below rear floor, corresponding location arrangements below back seat medicated cushion has fuel tank 5 and exhaustor secondary muffler 15, fuel tank 5 is arranged in below rear floor first half 201, it is between rear floor front beam 104 and floor crossmember back veneer 103, additionally, exhaustor 16 is positioned at the lower section of battery flat 202, therefore, described battery flat 202 two bottom sides is inclined upwardly and takes in, so that exhaustor 16 and battery flat 202 keep certain distance。
Such as Fig. 6, shown in Fig. 7, the left longeron in described rear floor 101 includes rear floor left longeron first half 1011 and the left longeron in rear floor latter half of 1012, the rear portion of described rear floor left longeron first half 1011 welds together with the anterior overlapping of the left longeron in described rear floor latter half of 1012, described rear floor left front girder back veneer 3 it is connected with above described rear floor left longeron first half 1011, the rear end of described rear floor left front girder back veneer 3 connects the left end of described rear floor front beam 104, the left fixed support beam 7 of battery bag it is connected with above the left longeron in described rear floor latter half of 1012, the left fixed support beam 7 of described battery bag has breach, the rear portion of the left longeron first half 1011 in described rear floor extends to the inside, along being provided with the flange 8 that the left side wall with described battery flat 202 overlaps in this extended surface, battery flat 202 is strengthened, and this extended surface has multiple welding via 9(with flange as shown in Figure 8), that is: in order to after solving the rear portion of the left longeron in floor first half 1011 extend to the inside and cause unweldable problem inside the left longeron in rear floor latter half of 1012 and battery bag left fixed support beam 7, and on the rear portion extended surface to the inside of the left longeron first half section 1011 in rear floor, increase welding via 9, avoid four layers of weldering。In order to ensure the intensity after perforate, welding via 9 is the hole with flange。
The symmetrical configuration of the structure of rear floor right vertical beam 102 and the left longeron 101 in rear floor, the rear end of rear floor front right longitudinal beam back veneer 4 connects the right-hand member of described rear floor front beam 104, and the latter half of top of right vertical beam, rear floor is connected with the right fixed support beam 17 of battery bag。
As shown in Figure 9, described battery flat 202 includes the battery flat body 10 of annular and the battery flat base plate 11 of spill, the front side downward bending of described battery flat body 10 becomes front side board 1001, the rear side downward bending of described battery flat body 10 becomes back side panel 1002, the left side of described battery flat base plate 11 is upwards bent into left plate 1101, the right side of described battery flat base plate 11 is upwards bent into right plate 1102, described front side board 1001, back side panel 1002, left plate 1101, right plate 1102, and the middle part of described battery flat base plate 11 surrounds an open-top, the box body that surrounding and bottom are all airtight。
Such as Figure 10, shown in Figure 11, the left and right sides of described battery flat body 10 internal ring is along being respectively equipped with vertically welding flange 12, the end of described front side board 1001 and back side panel 1002, is along being respectively equipped with level welding flange 18, the step surface 19 of flange 18 cooperation is welded in the both sides, front and back of battery flat base plate 11 along being respectively equipped with described level, the top of described left plate 1101 and right plate 1102 is along being respectively equipped with the solder side 13 extended outward, the two ends place of described left plate 1101 and right plate 1102 is respectively equipped with flange face 14, and the structure of battery flat 202 is symmetrical。The coupling that this version ensure that between battery flat body 10 with battery flat base plate 11 is welded。
As shown in figure 12, load the transverse section, rear floor of battery bag, can be seen that from cross-sectional view, when the position of battery flat base plate 11 is relatively low, will from exhaustor 16 close together, in order to avoid battery is impacted by the high temperature of exhaustor 16, battery flat 202 will maintain a certain distance with exhaustor 16, therefore in the structural design of battery flat base plate 11, adopt the structure that battery flat base plate 11 both sides tilt obliquely, pulling open the distance between battery flat 202 and exhaustor 16, >=80mm is wanted in general gap。
The present invention, while realizing electrokinetic cell 6 and the appropriate layout of fuel tank 5, improves the intensity on rear floor。

Claims (4)

1. floor assembly structure after a plug-in hybrid-power automobile, including rear floor frame structure (1) and the rear floor structure (2) that covers on described rear floor frame structure (1), it is characterized in that: rear floor frame structure (1) includes the left longeron in rear floor (101) and rear floor right vertical beam (102), the front end on the left longeron in described rear floor (101) and rear floor right vertical beam (102) connects the two ends of floor crossmember back veneer (103) respectively, the middle part on the left longeron in described rear floor (101) and rear floor right vertical beam (102) connect respectively after the two ends of floor front beam (104), the rear end on the left longeron in described rear floor (101) and rear floor right vertical beam (102) connect respectively after the two ends of Floor rear crossbeam (105), form the closed hoop structure of two next-door neighbours, described rear floor structure (2) includes covering rear floor first half (201) above the anterior circulus of described rear floor frame structure (1) and covers the battery flat (202) above the circulus of described rear floor frame structure (1) rear portion, after the upper correspondence of described rear floor first half (201), the position on the left longeron in floor (101) and rear floor right vertical beam (102) is respectively equipped with rear floor left front girder back veneer (3) of longitudinally arrangement and rear floor front right longitudinal beam back veneer (4), described rear floor left front girder back veneer (3) is connected with the left longeron in described rear floor (101) through rear floor first half (201), described rear floor front right longitudinal beam back veneer (4) is connected with described rear floor right vertical beam (102) through rear floor first half (201), described rear floor first half (201) arranged beneath fuel tank (5), described battery flat (202) suspends electrokinetic cell (6), described battery flat (202) two bottom sides is inclined upwardly and takes in;The left longeron in described rear floor (101) includes the left longeron in rear floor left longeron first half (1011) and rear floor latter half of (1012), anterior overlapping the welding together of the rear portion on described rear floor left longeron first half (1011) and the left longeron in described rear floor latter half of (1012), top, described rear floor left longeron first half (1011) is connected with described rear floor left front girder back veneer (3), the left longeron in described rear floor latter half of (1012) top is connected with the left fixed support beam (7) of battery bag, the left fixed support beam (7) of described battery bag has breach, the rear portion of the left longeron first half (1011) in described rear floor extends to the inside, along being provided with the flange (8) that the left side wall with described battery flat (202) overlaps in this extended surface, and this extended surface has multiple welding via (9) with flange。
2. floor assembly structure after plug-in hybrid-power automobile according to claim 1, it is characterized in that: described battery flat (202) includes the battery flat body (10) of annular and the battery flat base plate (11) of spill, the front side downward bending of described battery flat body (10) becomes front side board (1001), the rear side downward bending of described battery flat body (10) becomes back side panel (1002), the left side of described battery flat base plate (11) is upwards bent into left plate (1101), the right side of described battery flat base plate (11) is upwards bent into right plate (1102), described front side board (1001), back side panel (1002), left plate (1101), right plate (1102), and the middle part of described battery flat base plate (11) surrounds an open-top, the box body that surrounding and bottom are all airtight。
3. floor assembly structure after plug-in hybrid-power automobile according to claim 2, it is characterized in that: the edge, the left and right sides of described battery flat body (10) internal ring is respectively equipped with vertically welds flange (12), the end of described front side board (1001) and back side panel (1002), is along being respectively equipped with level welding flange (18), the edge, both sides, front and back of battery flat base plate (11) is respectively equipped with welds the step surface (19) that flange (18) coordinates with described level, the top of described left plate (1101) and right plate (1102) is along being respectively equipped with the solder side (13) extended outward, the two ends place of described left plate (1101) and right plate (1102) is respectively equipped with flange face (14)。
4. floor assembly structure after plug-in hybrid-power automobile according to claim 1, it is characterized in that: the rear end of described rear floor left front girder back veneer (3) connects the left end of described rear floor front beam (104), the rear end of described rear floor front right longitudinal beam back veneer (4) connects the right-hand member of described rear floor front beam (104)。
CN201310532567.9A 2013-10-31 2013-10-31 Floor assembly structure after plug-in hybrid-power automobile Active CN103523100B (en)

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CN103523100B true CN103523100B (en) 2016-06-22

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CN104874062B (en) * 2014-02-28 2019-03-05 北京谊安医疗系统股份有限公司 Ventilator and its battery holder assembly
DE202014002557U1 (en) * 2014-03-22 2015-06-30 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Rear floor module for placement on a motor vehicle body
US9211917B1 (en) 2014-08-28 2015-12-15 Ford Global Technologies, Llc Rear sub-frame sleeve for protecting a fuel tank
CN109204541B (en) * 2017-06-30 2021-03-26 比亚迪股份有限公司 Vehicle body structure and vehicle
CN110329361A (en) * 2018-03-30 2019-10-15 比亚迪股份有限公司 Preceding floor assembly and automobile

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