CN102897228B - The rear floor assembly structure of plug-in hybrid-power automobile - Google Patents
The rear floor assembly structure of plug-in hybrid-power automobile Download PDFInfo
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- CN102897228B CN102897228B CN201210434117.1A CN201210434117A CN102897228B CN 102897228 B CN102897228 B CN 102897228B CN 201210434117 A CN201210434117 A CN 201210434117A CN 102897228 B CN102897228 B CN 102897228B
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Abstract
The invention discloses a kind of rear floor assembly structure of plug-in hybrid-power automobile, comprise rear ground prelaminar part and rear rear floor, lower front both sides, rear floor are respectively equipped with and extend to left side longeron below rear rear floor and the right longeron, crossbeam is connected with between the left side longeron of rear floor lower front and the right longeron, crossbeam is connected with fuel tank and muffler of gas escape tube, rear rear floor between left side longeron and the right longeron is provided with battery flat, above battery flat, suspension has power brick, the front end of power brick is connected with battery cooling system, battery cooling system is fixed on rear floor front upper.The present invention abandon the direct bearing mode in floor in conventional thought and after power brick is suspended in bottom of luggage case floor top and make it be carried on the longeron of limit, formed firm fixing while proof strength; By reasonable piecemeal, make full use of upper and lower space, rear floor, the functor such as power brick and cooling system, fuel tank and muffler of gas escape tube is reasonably arranged on vehicle body.
Description
Technical field
The present invention relates to automobile rear floor assembly structure, refer to a kind of rear floor assembly structure of plug-in hybrid-power automobile particularly.
Background technology
Along with the development of auto-domain, new-energy automobile is praised highly gradually, the new breakthrough that the New function demand continued to bring out certainly will cause body structure to design.Wherein, plug-in hybrid-power automobile, is a oil-electric vehicle, both needed engine drive, needs again motor to drive; Should oil bunkering case, fill electrokinetic cell again.Under the prerequisite considering freeing pipe, fuel tank arrangement space, arrange electrokinetic cell, all multiple components are arranged on a vehicle body and just seem particularly difficult; And electrokinetic cell volume is comparatively large, heavier-weight, while design motivation battery arrangement space and fixed installation structure, easily has influence on the realization of car body component function, bus body strength and safety performance thereof.
Summary of the invention
The object of the invention is for the problems referred to above, a kind of rear floor assembly structure of plug-in hybrid-power automobile is provided, this rear floor assembly structure can at guarantee bus body strength and safety performance under considering the prerequisite of muffler of gas escape tube and fuel tank arrangement space, properly arranges and stationary power battery and cooling system thereof securely.
For achieving the above object, the technical solution used in the present invention is: a kind of rear floor assembly structure of plug-in hybrid-power automobile, it is characterized in that: it comprises rear ground prelaminar part and rear rear floor, lower front both sides, rear floor are respectively equipped with and extend to left side longeron below rear rear floor and the right longeron, crossbeam is connected with between the left side longeron of rear floor lower front and the right longeron, crossbeam is connected with fuel tank and muffler of gas escape tube, rear rear floor between left side longeron and the right longeron is provided with battery flat, above battery flat, suspension has power brick, the front end of power brick is connected with battery cooling system, battery cooling system is fixed on rear floor front upper.
Battery flat is arranged between left and right longeron by the present invention, makes the power brick fixed sturcture in battery flat can be carried on left and right longeron, forms the higher skeleton structure of intensity together, while firm stationary battery bag, also ensure that bus body strength; Power brick is suspended in the top on floor after the bottom of luggage case cancelling spare tyre, abandon the direct bearing mode in floor in conventional thought, while reaching safe and reliable fixing object, avoid power brick and directly contact with rear floor and produce to shake and be out of shape and noise, form higher safety performance; The present invention is by the reasonable piecemeal to rear floor, make full use of the space above and below rear floor, while placing electrokinetic cell bag and battery cooling system with maximum space, make each functor connection and reasonable arrangement of rear floor upper and lower, the layout meeting the functors such as back seat seat cushion, fuel tank, muffler of gas escape tube and fixing requirement, and have good punching press, welding, assembly process process, and good body performance; Present invention process is good, and cost is low, meets vehicle body function and lightweight requirements, and the design for Future New Energy Source automotive floor panel structure provides technical support and reference model.
Further, the front end of described battery flat is provided with front shrouding, and front shrouding is fitted in the top of crossbeam, and the rear end of battery flat is provided with rear shrouding, and battery flat and front shrouding and rear shrouding form box like structure.Consider the cube structure of electrokinetic cell, when manufacturing process allows, power battery cabin is designed to the box like structure of corner angle as far as possible; For ensureing maximum electrokinetic cell placement space and considering punching press, welding process feasibility, rear floor is divided into rear ground prelaminar part, rear rear floor, front shrouding and rear shrouding four block structure, to facilitate design and the welding of skeleton below it.
Again further, described crossbeam comprises front cross rail, center member and after cross member, and after cross member is fitted in the below of front shrouding.Rear floor frame forms framed structure by three crossbeams, two longerons, and the rear floor weld together securely with above it, forms higher intensity, can carry the electrokinetic cell weight of increase completely, also improve body performance.
Further, the inner upper that described power brick is placed in battery flat also and between the bottom surface of battery flat and side leaves gap, the left and right sides of power brick is respectively equipped with hanger outstanding outward, hanger has screw, the left and right sides of battery flat is respectively equipped with rack beams, hanger is fixedly connected with rack beams, and rack beams is fixed on rear floor.Power brick is suspended in the inner upper of battery flat by the connection of both sides hanger and rack beams, and power brick does not all directly contact with side with the bottom surface of battery flat, thus avoids power brick and directly contact with rear floor and produce and shake, be out of shape and noise.
Preferably, the transversal surface of described rack beams is in " several " font, the side of rack beams is fixed on the rear rear floor on left side longeron or the right longeron, the bottom of the opposite side of rack beams is fitted on the battery flat inwall of left side longeron or the right side rail inner, rack beams has screw, and the rack beams below screw is provided with nutplate.Coordinate with the nutplate bottom rack beams above the screw that the outshot outward of hanger is buckled on rack beams, after screw on screw bolt passes hanger, the screw in rack beams and nutplate, power brick is fixed on steadily, securely in the rack beams of rear rear floor.
Preferably, the back segment of described rear ground prelaminar part is provided with the battery front deck of sinking, the mounting groove of sinking is provided with in the middle part of the leading portion of rear ground prelaminar part, the both sides of mounting groove are respectively equipped with the anti-dive beam of back seat, be provided with fuel tank and muffler of gas escape tube below the leading portion of rear ground prelaminar part, battery cooling system is fixed in mounting groove.Battery front deck is used for the battery balancing boom device of placing battery bag front portion; Rear floor anteriomedial, to recessed, becomes feed ditch shape, and form the mounting groove of battery cooling system, mounting groove is for placing stationary battery cooling system; Anti-dive beam is divided into two sections, left and right.
Preferably, described battery cooling system comprises cooling blast pipe and mouthpiece cover, and mouthpiece cover is nested in and cools on the blast pipe mouth of pipe and be pressed abd fixed on prelaminar part front end, rear ground, and the top of cooling blast pipe is provided with protective case.The air intake pipe orifice place of cooling blast pipe arranges mouthpiece cover, and is arranged on the front end of rear ground prelaminar part, i.e. back seat seat cushion front lower place, can realize ventilation smooth and easy, stops foreign matter to enter, and the air intake pipe orifice that turn avoid cooling blast pipe directly exposes and affects outward appearance; Protective case is extruded distortion for preventing battery cooling blast pipe to be subject to the pressure above back seat seat cushion.
Preferably, described mouthpiece cover comprises the top board and side plate that are fixedly connected with, and side plate is provided with the opening relative with cooling the blast pipe mouth of pipe, is provided with the grid extended in cooling blast pipe pipe in opening.Mouthpiece cover is fixed by top board and side plate and rear ground front edge of board; Opening on side plate is used for air intake; The grid extended in cooling blast pipe both can be used for preventing foreign matter from entering in blast pipe, was also conducive to mouthpiece cover and the Primary Location cooling blast pipe.
Preferably, the rear end of described battery front deck is connected with front shrouding, is provided with electrokinetic cell balancing boom device in battery front deck.
Preferably, described front cross rail is provided with fuel tank suspension hook and freeing pipe suspension hook.Fuel tank suspension hook and freeing pipe suspension hook are for installing fuel tank and freeing pipe.
Further preferably, described after cross member is flat " several " font, after cross member and the front shrouding above it, and the rear end of rear ground prelaminar part is welded together to form a closed cross-section beam.After cross member topside matches with the bottom section of front shrouding and forms sealing surface and fix, and is conducive to the intensity ensureing crossbeam.
Still more preferably, described center member is provided with safety strap fixed support.Safety strap fixed support provides lower fixing point for rear row's safety strap.
Accompanying drawing explanation
Fig. 1 is rear floor assembly structure region schematic diagram.
Fig. 2 is rear floor assembly structural representation.
Fig. 3 is the plan structure schematic diagram on rear floor in Fig. 2.
Fig. 4 is rear ground partition organization schematic diagram in Fig. 2.
Fig. 5 is the annexation schematic diagram of battery flat and front shrouding and rear shrouding in Fig. 2.
Fig. 6 is the sectional schematic diagram of hanger and rack beams junction in Fig. 2.
Fig. 7 is the annexation schematic diagram of Fig. 2 medium-height trestle beam and nutplate.
Fig. 8 is the annexation schematic diagram cooling blast pipe and mouthpiece cover in Fig. 2.
Fig. 9 is the skeleton structure schematic diagram in Fig. 2 below rear floor.
Figure 10 be in Fig. 2 after floor look up structural representation.
Figure 11 is Fig. 2 IFO intermediate fuel oil case and the scheme of installation of muffler of gas escape tube below rear floor.
Figure 12 is the component structural schematic diagram on rear floor in Fig. 2.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, 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 Fig. 1, the present invention region shared by body platform is as shown in the dotted line frame 1 in figure.
As Fig. 2, shown in Fig. 3, the present invention includes rear ground prelaminar part 2 and rear rear floor 3, below rear ground prelaminar part 2, both sides are respectively equipped with and extend to left side longeron 4 below rear rear floor 3 and the right longeron 5, rear rear floor 3 between left side longeron 4 and the right longeron 5 is designed to the battery flat 9 that transversal surface is " several " font, the front end of described battery flat 9 is provided with front shrouding 12, the rear end of battery flat 9 is provided with rear shrouding 13, battery flat 9 forms box like structure (as Fig. 4 with front shrouding 12 and rear shrouding 13, Fig. 5), the left and right sides of battery flat 9 is along on floor, that is: left, the right longeron 4, on rear floor on 5, respectively be welded with the rack beams 14 of a transversal surface in " several " font, the side of rack beams 14 is fixed on the rear rear floor 3 on left side longeron 4 or the right longeron 5, the bottom of the opposite side of rack beams 14 is fitted on battery flat 9 inwall inside left side longeron 4 or the right longeron 5, rack beams 14, rear rear floor 3, and limit longeron three layered material is welded together to form the higher skeleton structure of intensity, each collateral set a roof beam in place 14 bottom welding have three nutplate 23(as Fig. 6, Fig. 7), rack beams 14 is fixedly connected with three hangers 20 being welded on power brick 10 left and right sides respectively by bolt, and make directly not contact with sidepiece with the bottom of battery flat 9 bottom power brick 10, thus power brick 10 is suspended in above battery flat 9, the outside of right side rack beams 14 is provided with storage battery pedestal 22.The front end of power brick 10 is connected with electrokinetic cell balancing boom device 18 and battery cooling system 11, battery balancing boom device 18 and battery cooling system 11 are fixed on above rear ground prelaminar part 2, battery cooling system 11 comprises parts such as cooling blast pipe 1101 and mouthpiece cover 1102 etc., the cross-sectional plane of described mouthpiece cover 1102 is L-shaped, comprise the top board 1103 and side plate 1104 that are fixedly connected with, side plate 1104 is provided with the opening 1105 relative with cooling blast pipe 1101 mouth of pipe, the grid 1106(that extends in cooling blast pipe 1101 pipe is provided with as Fig. 8) in opening 1105, mouthpiece cover 1102 to be nested on cooling blast pipe 1101 mouth of pipe and by the front end being bolted to rear ground prelaminar part 2 at top board 1103 and side plate 1104 bolts at two ends hole 1107 place, compress carpet, rear ground prelaminar part 2 is according to H point height, the thickness of back seat seat cushion, cooling blast pipe 1101, fuel tank 7, layout and the shape of freeing pipe design, wherein, the back segment of rear ground prelaminar part 2 is provided with the battery front deck 15 of sinking, the rear end of battery front deck 15 is connected with front shrouding 12, battery front deck 15 is for placing electrokinetic cell balancing boom device 18, the mounting groove 16 being recessed under being provided with centre in the middle part of the leading portion of rear ground prelaminar part 2, sinking in feed ditch shape, cooling blast pipe 1101 has been placed with in this mounting groove 16, the top of cooling blast pipe 1101 is provided with protective case 19, this protective case 19 is extruded distortion for preventing cooling blast pipe 1101 to be subject to the pressure above back seat seat cushion, protective case 19 is fixed on the both sides of mounting groove 16, and the left and right sides, mounting groove 16 front end is respectively equipped with the anti-dive beam 17 of back seat.
In addition, as Fig. 9, shown in Figure 10, front cross rail 601 is connected with successively between the left side longeron 4 below rear ground prelaminar part 2 and the right longeron 5, center member 602 and after cross member 603, left side longeron 4, the right longeron 5 and three crossbeams structure rear floor frame together, rear floor frame is " 8 " word closed annular in rear ground prelaminar part, described after cross member 603 is in flat " several " font, be fitted in the below of front shrouding 12, after cross member 603 is welded together to form a closed cross-section beam with the front shrouding 12 of rear ground prelaminar part 2, rear rear floor 3; Described front cross rail 601 is welded with fuel tank suspension hook and freeing pipe suspension hook, for installing fuel tank 7 below the leading portion being located at rear ground prelaminar part 2 and muffler of gas escape tube 8, fuel tank 7 and muffler of gas escape tube 8 are in (as Figure 11) below back seat seat cushion; Center member 602 is welded with attachment point bracket reinforcing plate 20 under rear row's safety strap, center member 602 and after cross member 603 are provided with rear suspension attachment point with left and right limit longeron 4,5 lap-joint.Rear ground edges of boards longeron is carried throughout, and the right longeron 5 rear portion is welded with rear haulage seat board, and rear haulage seat board is provided with rear haulage ring 21.Wherein, the planform of front cross rail 601 can do respective design along with the planform of rear ground prelaminar part 2 structure and mounting groove 16; Battery front deck 15 is do large heavy stand downwards, when not affecting after cross member 603 intensity, increases spatial accommodation as far as possible; Because power brick 10 is placed in former spare tyre position, after cancelling spare tyre, fast tyre repiring external member can be increased in driver's tool.
As shown in figure 12, rear floor frame of the present invention forms stable structure form by three crossbeams, two longerons, and the power brick 10 above battery flat 9 is fixed in rack beams 14, and rack beams 14 intensity is higher, there is good carrying effect to power brick 10, improve the intensity of vehicle body; Battery flat 9 takes full advantage of rear floor frame beam and forms enough large space to hold power brick 10, and ensure that itself there are larger strength and stiffness on rear floor, and does not affect the intensity of rear-suspending point; The present invention make full use of rear floor up and down, side space installs fixing requirement and the travelling comfort requirement of passenger to meet electrokinetic cell, the rear floor of this structure, electrokinetic cell can be arranged, the electrokinetic cell fixed form had again, also can arrange power battery cooling system, meet the operating needs of plug-in hybrid-power automobile.Empirical tests, bulk strength of the present invention, rigidity are not less than basic car; Through trial-production trial assembly, anufacturability is good.
Claims (9)
1. the rear floor assembly structure of a plug-in hybrid-power automobile, it is characterized in that: it comprises rear ground prelaminar part (2) and rear rear floor (3), both sides, rear ground prelaminar part (2) below are respectively equipped with the left side longeron (4) and the right longeron (5) that extend to rear rear floor (3) below, front cross rail (601) is connected with between the left side longeron (4) of rear ground prelaminar part (2) below and the right longeron (5), center member (602) and after cross member (603), described front cross rail (601) is connected with fuel tank (7) and muffler of gas escape tube (8), rear rear floor (3) between left side longeron (4) and the right longeron (5) is provided with battery flat (9), the suspension of battery flat (9) top has power brick (10), the front end of power brick (10) is connected with battery cooling system (11), battery cooling system (11) is fixed on rear ground prelaminar part (2) top, the front end of described battery flat (9) is provided with front shrouding (12), described front shrouding (12) is fitted in the top of described after cross member (603), the rear end of described battery flat (9) is provided with rear shrouding (13), and battery flat (9) forms box like structure with front shrouding (12) and rear shrouding (13), described after cross member (603) in flat fall " several " font, after cross member (603) with its above front shrouding (12), and the rear end of rear ground prelaminar part (2) is welded together to form a closed cross-section beam.
2. the rear floor assembly structure of plug-in hybrid-power automobile according to claim 1, it is characterized in that: described power brick (10) be placed in battery flat (9) inner upper and and leave gap between the bottom surface of battery flat (9) and side, the left and right sides of power brick (10) is respectively equipped with hanger (20) outstanding outward, (20) have screw to hanger, the left and right sides of battery flat (9) is respectively equipped with rack beams (14), hanger (20) is fixedly connected with rack beams (14), rack beams (14) is fixed on rear floor.
3. the rear floor assembly structure of plug-in hybrid-power automobile according to claim 2, it is characterized in that: the transversal surface of described rack beams (14) is in " several " font, the side of rack beams (14) is fixed on the rear rear floor (3) on left side longeron (4) or the right longeron (5), the bottom of the opposite side of rack beams (14) is fitted on battery flat (9) inwall of left side longeron (4) or the right longeron (5) inner side, (14) have screw to rack beams, rack beams (14) below screw is provided with nutplate (23).
4. the rear floor assembly structure of plug-in hybrid-power automobile according to claim 1, it is characterized in that: the back segment on described rear ground prelaminar part (2) is provided with the battery front deck (15) of sinking, the mounting groove (16) of sinking is provided with in the middle part of the leading portion of rear ground prelaminar part (2), the both sides of mounting groove (16) are respectively equipped with the anti-dive beam (17) of back seat, be provided with fuel tank (7) and muffler of gas escape tube (8) below the leading portion of rear ground prelaminar part (2), battery cooling system (11) is fixed in mounting groove (16).
5. the rear floor assembly structure of the plug-in hybrid-power automobile according to claim 1 or 4; it is characterized in that: described battery cooling system (11) comprises cooling blast pipe (1101) and mouthpiece cover (1102); mouthpiece cover (1102) is nested in and cools on blast pipe (1101) mouth of pipe and be pressed abd fixed on rear ground prelaminar part (2) front end, and the top of cooling blast pipe (1101) is provided with protective case (19).
6. the rear floor assembly structure of plug-in hybrid-power automobile according to claim 5, it is characterized in that: described mouthpiece cover (1102) comprises the top board (1103) and side plate (1104) that are fixedly connected with, side plate (1104) is provided with the opening (1105) relative with cooling blast pipe (1101) mouth of pipe, is provided with the grid (1106) extended in cooling blast pipe (1101) pipe in opening (1105).
7. the rear floor assembly structure of plug-in hybrid-power automobile according to claim 4, it is characterized in that: the rear end of described battery front deck (15) is connected with front shrouding (12), is provided with electrokinetic cell balancing boom device (18) in battery front deck (15).
8. the rear floor assembly structure of plug-in hybrid-power automobile according to claim 1, is characterized in that: described front cross rail (601) is provided with fuel tank suspension hook and freeing pipe suspension hook.
9. the rear floor assembly structure of plug-in hybrid-power automobile according to claim 1, is characterized in that: described center member (602) is provided with safety strap fixed support (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210434117.1A CN102897228B (en) | 2012-11-01 | 2012-11-01 | The rear floor assembly structure of plug-in hybrid-power automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210434117.1A CN102897228B (en) | 2012-11-01 | 2012-11-01 | The rear floor assembly structure of plug-in hybrid-power automobile |
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| CN102897228A CN102897228A (en) | 2013-01-30 |
| CN102897228B true CN102897228B (en) | 2015-08-12 |
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| CN201210434117.1A Active CN102897228B (en) | 2012-11-01 | 2012-11-01 | The rear floor assembly structure of plug-in hybrid-power automobile |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103523100B (en) * | 2013-10-31 | 2016-06-22 | 东风汽车公司 | Floor assembly structure after plug-in hybrid-power automobile |
| CN104340282B (en) * | 2014-10-23 | 2017-09-12 | 奇瑞汽车股份有限公司 | A kind of automobile batteries protection structure |
| CN110329361B (en) * | 2018-03-30 | 2022-03-18 | 比亚迪股份有限公司 | Front floor assembly and automobile |
| CN109131593B (en) * | 2018-07-23 | 2021-07-23 | 北京长城华冠汽车科技股份有限公司 | Floor and automobile comprising same |
| CN109305022B (en) * | 2018-09-28 | 2021-11-16 | 上汽通用五菱汽车股份有限公司 | Protective device |
| CN109703629A (en) * | 2019-02-28 | 2019-05-03 | 爱驰汽车有限公司 | Rear floor structure and electric car |
| DE102019122195A1 (en) * | 2019-08-19 | 2021-02-25 | Bayerische Motoren Werke Aktiengesellschaft | Group of motor vehicles |
| JP7388070B2 (en) * | 2019-09-11 | 2023-11-29 | スズキ株式会社 | Underbody structure |
| CN111114652A (en) * | 2020-02-13 | 2020-05-08 | 吴春涛 | Multi-size multi-power platform vehicle body structure and platform vehicle with same |
| CN112347559B (en) * | 2020-10-27 | 2022-08-30 | 东风汽车集团有限公司 | Power assembly layout feasible region determining method |
| CN113306381B (en) * | 2021-06-29 | 2023-04-25 | 重庆长安汽车股份有限公司 | Battery pack mounting frame of pure electric automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4288328B2 (en) * | 2002-10-22 | 2009-07-01 | 本田技研工業株式会社 | Canister mounting structure |
| CN101340013B (en) * | 2005-06-02 | 2011-07-06 | 本田技研工业株式会社 | Power source device and battery cooling structure for vehicle |
| CN101117135B (en) * | 2006-07-31 | 2012-09-05 | 比亚迪股份有限公司 | Electric automobile frame |
| FR2936189B1 (en) * | 2008-09-22 | 2011-06-17 | Peugeot Citroen Automobiles Sa | STORAGE MODULE AND VEHICLE COMPRISING SUCH A MODULE |
| CN201347136Y (en) * | 2008-12-29 | 2009-11-18 | 重庆长安汽车股份有限公司 | Automobile rear floor framework assembly with traveling closing structure |
| CN201777299U (en) * | 2010-07-29 | 2011-03-30 | 比亚迪股份有限公司 | Bottom structure of electric vehicle |
| CN201800517U (en) * | 2010-09-03 | 2011-04-20 | 浙江吉利汽车研究院有限公司 | Installation structure for power battery |
| CN202879613U (en) * | 2012-11-01 | 2013-04-17 | 东风汽车公司 | Back floor assembly structure of plug-in hybrid power automobile |
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