CN103029756B - Vehicle rear structure - Google Patents
Vehicle rear structure Download PDFInfo
- Publication number
- CN103029756B CN103029756B CN201210337679.4A CN201210337679A CN103029756B CN 103029756 B CN103029756 B CN 103029756B CN 201210337679 A CN201210337679 A CN 201210337679A CN 103029756 B CN103029756 B CN 103029756B
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- Prior art keywords
- floor panel
- vehicle
- rear floor
- body structure
- assembled
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/087—Luggage compartments
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The present invention provides a vehicle rear structure, which has simple configuration, has an increased rigidity, and is used for an electric vehicle or a hybrid vehicle. The vehicle rear structure (100) has a rear floor panel (106) for forming a bottom of a vehicle rear portion, a rear panel (110) is connected to rear-end of the rear floor panel, an opening (114) is formed in a predetermined region at the rear floor panel (106), a battery (112) is mounted through the opening at the rear floor panel to supply drive electricity, and a reinforcing element (118) is formed at a region between the opening (114) of the rear floor panel (106) and the rear panel (110) and is extended in the vehicle transverse direction.
Description
Technical field
The present invention relates to such as elec. vehicle or motor vehicle driven by mixed power etc. mainly at the vehicle rear body structure of the vehicle of the battery-mounted unit of vehicle rear.
Background technology
Elec. vehicle universal in recent years or motor vehicle driven by mixed power are equipped with electrical motor as propulsion source.The electric power that this electrical motor is provided by battery drives.This battery is assembled to the lower surface etc. of the floor panel forming vehicle floor.
This battery has quite large-sized device, and the lower surface being assembled to smooth floor panel needs corresponding height of car.Therefore, in patent documentation 1 describe floor panel structure in, the lower surface of floor panel to being recessed on, to form the space as battery case.In addition, the sidewall of this shell is assembled to longeron (being assembled to the component of floor panel in the vehicle width direction along its edge) to guarantee rigidity.
According to vehicle type, battery can be assembled to the rear portion of vehicle, as rear floor panel.The rear portion of vehicle also needs the rigidity for vehicle operating.Such as, the vehicle rear body structure of patent documentation 2 guarantees rigidity by forming closed cross section and it be combined with the rear end of longeron in the rear end panel (backboard) forming rear vehicle end.
prior art document
patent documentation
[patent documentation 1] Japanese Unexamined Patent Publication 2003-260939 publication
[patent documentation 2] Japanese Unexamined Patent Publication 2006-273126 publication
Summary of the invention
the problem that invention will solve
Current, require the further miniaturization of vehicle and improve comfort level.For the vehicle rear body structure comprising battery, also wish that such as each component has and more simply configure, or can more effectively utilize the particular form of interior space to configure each component.But, as mentioned above, also need the rigidity guaranteeing vehicle rear body structure.Realize simplification of parts etc. and rigidity is very difficult simultaneously.
In view of the above problems, the object of this invention is to provide and a kind ofly there is simple configuration and the vehicle rear body structure of the rigidity of raising can be shown.
for the scheme of dealing with problems
In order to solve the problem, the representative configuration of vehicle rear body structure of the present invention is characterized by the vehicle rear body structure of elec. vehicle or motor vehicle driven by mixed power, and this vehicle rear body structure comprises: rear floor panel, and it forms the floor of vehicle rear; Backboard, it is connected to the rear end of described rear floor panel and forms vehicle rear wall; Opening, it is formed in the specific region of floor panel in the rear; Battery, it is assembled to described rear floor panel by described opening, and provides electric power to propulsion source; And strenthening member, it is assembled to the region between the described opening of described rear floor panel and described backboard in the mode extended in the vehicle width direction, above-mentioned vehicle rear body structure also possesses the battery cover of the end face covering above-mentioned battery, and above-mentioned strenthening member is assembled to above-mentioned rear floor panel in the mode that the flange part of the rear side making above-mentioned battery cover is clipped in the middle.
Traditional rear floor panel is provided with such as to the region be recessed at its lower surface, as the part of assembling battery.On the contrary, above-mentioned rear floor panel uses described opening as the part of assembling battery, therefore has and more simply configures than conventional confguration, and can easily be produced by molded.In addition, the rear side of the described opening in rear floor panel is reinforced with described strenthening member, thus guarantees and improve rigidity.According to above-mentioned configuration, the vehicle rear body structure of the rigidity with simple configuration and raising can be provided.
This vehicle rear body structure may further include a pair longeron, this a pair longeron is assembled to the lower surface of described rear floor panel along each edge on the vehicle-width direction of the lower surface of described rear floor panel, and the edge of described strenthening member seen from above time and each longeron can be mounted to the upper surface of described rear floor panel in an overlapping manner.
Described strenthening member and described rail portion overlap, the load therefore acting on described rear floor panel can be absorbed effectively by them.Therefore, utilize above-mentioned configuration, described vehicle rear body structure can have the rigidity improved further.
Described vehicle rear body structure can comprise reinforcing member further, described reinforcing member connects described rear floor panel and described backboard, and reinforce described rear floor panel and the interconnective position of described backboard, and after described strenthening member is fixed to described reinforcing member by specific securing device, be assembled to described rear floor panel.
Because described strenthening member is also connected to described reinforcing member, so load absorption efficiency can be improved further.Therefore, described vehicle rear body structure can have the rigidity improved further.
Described opening can have with the bending lagging dege of the mode outstanding to described backboard, and described strenthening member can bend along this lagging dege.Due to this configuration, even if when rear floor panel is out of shape from back to front, the lagging dege of described opening also unlikely touches battery.In addition, compared with the operability obtained when only described opening being set with rectangular shape, the operability of battery assembling etc. can be improved further.In addition, described strenthening member has bending shape, and therefore the power applied from rear is shown to the bending stiffness of raising, therefore contributes to the rigidity improving vehicle rear body structure.
invention effect
As mentioned above, can provide a kind of and there is the vehicle rear body structure simply configuring and can show the rigidity of raising.
Accompanying drawing explanation
Fig. 1 is the figure that vehicle according to the invention rear structure is shown.
Fig. 2 is the exploded drawings of the battery unit that Fig. 1 is shown.
Fig. 3 is the figure of the vehicle rear body structure that the Fig. 1 arrived seen from above under different conditions is shown.
Fig. 4 is the figure of the configuration of the part A be shown specifically in Fig. 1.
description of reference numerals
100 vehicle rear body structures
102 back seats
104 battery units
Floor panel after 106
108a, 108b longeron
110 backboards
112 batteries
114 openings
116 battery covers
118 strenthening members
120 flange parts
122 lagging deges
124 reinforcing members
126 bolts
Detailed description of the invention
Describe the preferred embodiment of the present invention in detail with reference to the accompanying drawings.The size provided in embodiments, material and special value etc. are only illustrative, to help to understand the present invention, and unless otherwise noted, otherwise do not limit the present invention.In the present description and drawings, the key element substantially with identical function or configuration marks to avoid repeat specification with identical Reference numeral, and the key element not directly related with the present invention is not shown in the drawings.
Fig. 1 is the figure that vehicle according to the invention rear structure 100 is shown.In the accompanying drawing comprising Fig. 1, X-axis represents vehicle-width direction, and Y-axis represents vehicle fore-and-aft direction, and Z axis represents vehicle vertical direction.Vehicle rear body structure 100 shown in Fig. 1 is applied to the such as vehicle such as elec. vehicle or motor vehicle driven by mixed power.Specifically, the vehicle rear body structure 100 of present embodiment is formed near the baggage container at back seat 102 rear, and is usually coated with interior material etc. further.Vehicle rear body structure 100 is realized by simple parts, and shows the rigidity of raising, is equipped with the battery unit 104 for providing electric power to the electrical motor (not shown) as propulsion source simultaneously.
In vehicle rear body structure 100, the rear floor panel 106 forming floor is basic building blocks, and other component multiple is connected to rear floor panel 106.A pair longeron 108a, 108b are assembled to the lower surface of rear floor panel 106.Longeron 108a, 108b are the components of the bottom of main composition vehicle side wall, and are assembled to the lower surface of rear floor panel 106 along each edge on vehicle-width direction.Backboard 110 is connected to the rear end of rear floor panel 106 and longeron 108a, 108b.Backboard 110 is the components forming vehicle rear wall.
Fig. 2 is the exploded drawings of the battery unit 104 that Fig. 1 is shown.As shown in Figure 2, battery 112 is assembled to rear floor panel 106 by the opening 114 of rear floor panel 106, and on it, be coated with battery cover 116.Battery cover 116 is formed from a resin, and therefore easily can be produced by molded, and allow shape highly freely.On the other hand, in traditional vehicle rear body structure, the lower surface of rear floor panel 106 be provided with for assemble battery to the part be recessed on.By comparing, the configuration of the vehicle rear body structure 100 that opening 114 and resin battery cover 116 combinationally use can easily be produced by molded, and allows shape highly freely.
Vehicle rear body structure 100 is provided with the component of strenthening member 118 as its uniqueness.Strenthening member 118 is elongated rod components, and plays reinforcing and improve vehicle rear body structure 100, the effect of the rigidity of floor panel 106 particularly.In the present embodiment, strenthening member 118 is assembled to rear floor panel 106, and the flange part 120 of the rear side of battery cover 116 is clipped in the middle, thus battery cover 116 also can be assembled by more rigid.
Fig. 3 is the figure of the vehicle rear body structure 100 that the Fig. 1 arrived seen from above under different conditions is shown.As shown in Fig. 3 (a), strenthening member 118 is assembled into (X-direction) extension in the vehicle width direction on the upper surface of rear floor panel 106.
Fig. 3 (b) is the figure of the vehicle rear body structure illustrated when the battery cover 116 of Fig. 3 (a) is removed.As shown in Fig. 3 (b), the opening 114 for assembling battery 112 is arranged so that in the specific region of rear floor panel 106 its rear rim 122 bends in the mode outstanding to backboard 110.Therefore, even if when after when such as at rear end collision, floor panel 110 is out of shape from back to front, the lagging dege 122 of opening 114 also unlikely touches battery 112.In addition, due to this curved shape, such as, can guarantee the space that its hand can stretch into by workman, the operability under the assembling or analogue of battery unit 104 is better than the operability obtained when arranging and only have the opening 114 of rectangular shape.
At this, strenthening member 118 has along the bending shape of the lagging dege 122 of opening 114.Due to this shape, compared with the rigidity obtained when only having rectilinear form with strenthening member, strenthening member 118 has better bending stiffness to the power particularly applied from rear.Therefore, the strenthening member 118 be arranged between opening 114 and backboard 110 improves the rigidity of rear floor panel 106.
Strenthening member 118 is further configured to the load making to act on rear floor panel 106 and can be effectively absorbed.First, strenthening member 118 is assembled into and makes its end overlapping with a pair longeron 108a, 108b.Therefore, the load acting on rear floor panel 106 is not only reinforced component 118 and disperses and absorb but also disperseed by longeron 108a, 108b and absorb.
Fig. 4 is the figure of the configuration of the part A be shown specifically in Fig. 1.Fig. 4 (a) is the enlarged perspective of part A.As shown in Fig. 4 (a), vehicle rear body structure 100 comprises reinforcing member 124.Fig. 4 (b) is the section drawing obtained along the line B-B in Fig. 4 (a).As shown in Fig. 4 (b), reinforcing member 124 connects rear floor panel 106 and backboard 110, and reinforces this two interconnective positions of component.Reinforcing member 124 is assembled to the lower surface of rear floor panel 106, and make a reinforcing member on right side, another reinforcing member is in left side, and they are covered by respective longeron.
As shown in Fig. 4 (b), strenthening member 118 also uses bolt 128 to be fastened to reinforcing member 124 as securing device.Because strenthening member 118 is also connected to reinforcing member 124 by this way, so further increase the load absorption efficiency of strenthening member 118.Therefore, the rigidity of vehicle rear body structure 100 is further improved.
As mentioned above, first, traditional rear floor panel is provided with and is such as recessed into the part of region as assembling battery in lower surface.On the contrary, the rear floor panel 106 of present embodiment uses opening 114 as the part of assembling battery 112, therefore has and more simply configures than conventional confguration, and can easily be produced by molded.In addition, the rear side strenthening member 118 of the opening 114 of rear floor panel 106 is reinforced, thus guarantees and improve rigidity.
More than describe the preferred embodiment of the present invention with reference to the accompanying drawings, but the present invention is not limited to these embodiments naturally.Those skilled in the art obviously can carry out variations and modifications within the scope of the claims, and should be appreciated that these changes and amendment are also included in technical scope of the present invention naturally.
industrial utilizability
The present invention can be used as battery unit to be mainly mounted in the vehicle rear body structure in vehicle rear, the such as vehicle such as elec. vehicle and/or motor vehicle driven by mixed power.
Claims (4)
1. a vehicle rear body structure, for elec. vehicle or motor vehicle driven by mixed power, comprising:
Rear floor panel, it forms the floor of vehicle rear;
Backboard, it is connected to the rear end of described rear floor panel and forms vehicle rear wall;
Opening, it is formed in the specific region of floor panel in the rear;
Battery, it is assembled to described rear floor panel by described opening, and provides electric power to propulsion source; And
Strenthening member, it is assembled to the region between the described opening of described rear floor panel and described backboard in the mode extended in the vehicle width direction,
Above-mentioned vehicle rear body structure also possesses the battery cover of the end face covering above-mentioned battery, and above-mentioned strenthening member is assembled to above-mentioned rear floor panel in the mode that the flange part of the rear side making above-mentioned battery cover is clipped in the middle.
2. vehicle rear body structure according to claim 1,
Comprise a pair longeron further, this pair longeron is assembled to the lower surface of described rear floor panel along each edge on the vehicle-width direction of the lower surface of described rear floor panel,
The edge of described strenthening member seen from above time and each longeron be assembled to the upper surface of described rear floor panel in an overlapping manner.
3. vehicle rear body structure according to claim 2,
Comprise reinforcing member further, described reinforcing member connects described rear floor panel and described backboard, and reinforces described rear floor panel and the interconnective position of described backboard,
After described strenthening member is fixed to described reinforcing member by specific securing device, be assembled to described rear floor panel.
4. vehicle rear body structure according to any one of claim 1 to 3, wherein
Described opening has with the bending lagging dege of the mode outstanding to described backboard, and
Described strenthening member bends along described lagging dege.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-213722 | 2011-09-29 | ||
| JP2011213722A JP5861361B2 (en) | 2011-09-29 | 2011-09-29 | Vehicle rear structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103029756A CN103029756A (en) | 2013-04-10 |
| CN103029756B true CN103029756B (en) | 2015-04-01 |
Family
ID=47878809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210337679.4A Active CN103029756B (en) | 2011-09-29 | 2012-09-13 | Vehicle rear structure |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5861361B2 (en) |
| CN (1) | CN103029756B (en) |
| DE (1) | DE102012216795B4 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6589915B2 (en) * | 2017-03-21 | 2019-10-16 | トヨタ自動車株式会社 | Vehicle rear structure |
| CN107792189A (en) * | 2017-10-25 | 2018-03-13 | 南京金龙客车制造有限公司 | A kind of electric motor coach collision prevention girders |
| JP6923597B2 (en) * | 2019-07-12 | 2021-08-25 | 本田技研工業株式会社 | Vehicle undercarriage |
| FR3123879A1 (en) * | 2021-06-14 | 2022-12-16 | Psa Automobiles Sa | Motor vehicle of the hybrid or electric type equipped with a protection device for the propulsion battery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1199832A (en) * | 1997-09-29 | 1999-04-13 | Daihatsu Motor Co Ltd | Battery mounting structure of electric vehicle |
| JP2003260939A (en) * | 2002-03-12 | 2003-09-16 | Nissan Motor Co Ltd | Floor structure for fuel cell electric vehicle |
| CN1572632A (en) * | 2003-05-21 | 2005-02-02 | 现代自动车株式会社 | Rear floor part structure for vehicle |
| CN1772549A (en) * | 2004-11-12 | 2006-05-17 | 马自达汽车株式会社 | Automobil rear body structure |
| JP2008068696A (en) * | 2006-09-13 | 2008-03-27 | Mazda Motor Corp | Vehicle body rear part structure |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05201356A (en) * | 1992-01-24 | 1993-08-10 | Honda Motor Co Ltd | Car body structure of electric automobile |
| DE102004032248A1 (en) * | 2004-07-03 | 2006-01-26 | Bayerische Motoren Werke Ag | motor vehicle |
| JP2006273126A (en) * | 2005-03-29 | 2006-10-12 | Mazda Motor Corp | Rear body structure of vehicle |
| JP4399475B2 (en) * | 2007-04-04 | 2010-01-13 | 本田技研工業株式会社 | Rear frame structure of the vehicle |
| JP2008239067A (en) * | 2007-03-28 | 2008-10-09 | Toyota Motor Corp | Automobile |
| JP5009068B2 (en) * | 2007-07-06 | 2012-08-22 | 本田技研工業株式会社 | Car body rear structure |
| JP5115243B2 (en) * | 2008-03-04 | 2013-01-09 | 日産自動車株式会社 | Rear bumper support structure for automobiles |
-
2011
- 2011-09-29 JP JP2011213722A patent/JP5861361B2/en active Active
-
2012
- 2012-09-13 CN CN201210337679.4A patent/CN103029756B/en active Active
- 2012-09-19 DE DE102012216795.1A patent/DE102012216795B4/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1199832A (en) * | 1997-09-29 | 1999-04-13 | Daihatsu Motor Co Ltd | Battery mounting structure of electric vehicle |
| JP2003260939A (en) * | 2002-03-12 | 2003-09-16 | Nissan Motor Co Ltd | Floor structure for fuel cell electric vehicle |
| CN1572632A (en) * | 2003-05-21 | 2005-02-02 | 现代自动车株式会社 | Rear floor part structure for vehicle |
| CN1772549A (en) * | 2004-11-12 | 2006-05-17 | 马自达汽车株式会社 | Automobil rear body structure |
| JP2008068696A (en) * | 2006-09-13 | 2008-03-27 | Mazda Motor Corp | Vehicle body rear part structure |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102012216795A1 (en) | 2013-04-04 |
| DE102012216795B4 (en) | 2016-07-21 |
| JP2013071693A (en) | 2013-04-22 |
| JP5861361B2 (en) | 2016-02-16 |
| CN103029756A (en) | 2013-04-10 |
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