CN104163206B - Longitudinal floor beam assembly and vehicle rear body structure after vehicle - Google Patents
Longitudinal floor beam assembly and vehicle rear body structure after vehicle Download PDFInfo
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- CN104163206B CN104163206B CN201310181023.2A CN201310181023A CN104163206B CN 104163206 B CN104163206 B CN 104163206B CN 201310181023 A CN201310181023 A CN 201310181023A CN 104163206 B CN104163206 B CN 104163206B
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Abstract
The invention provides longitudinal floor beam assembly and vehicle rear body structure after a kind of vehicle, after this vehicle, longitudinal floor beam assembly is arranged on after vehicle above floor, and comprising: girder plate, one end is connected with vehicle rear wheel cover, and the other end is connected with the upper surface on floor after vehicle; Longitudinal beam reinforcing plate, be arranged at after girder plate and vehicle between floor, its cross-sectional plane base portion is U-shaped, and the first U-shaped limit is connected with girder plate, Second Edge end is connected with vehicle rear wheel cover, and Second Edge is provided with the point of connection be connected with the upper surface on floor after this vehicle; This longitudinal beam reinforcing plate and vehicle rear wheel cover and girder plate form the first cavity, and after this longitudinal beam reinforcing plate and girder plate and vehicle, floor forms the second cavity.The electrokinetic cell that after this vehicle rear body structure comprises above-mentioned vehicle, longitudinal floor beam assembly and lower surface are connected with floor after this girder plate and vehicle installs crossbeam.Structure of the present invention can be decomposed better and transmit impact force, has higher intensity simultaneously.
Description
Technical field
The present invention relates to technical field of vehicle, be specifically related to longitudinal floor beam assembly and vehicle rear body structure after vehicle.
Background technology
For various different object and requirement, vehicle body structure form is different, by the difference of carrying form, vehicle body can be divided into body-chassis frame construction and self-supporting body, in order to alleviate the weight of vehicle body and make body structure rationalize, increasing vehicle adopts self-supporting body design.
Along with the competition of vehicle market is more and more fierce, the requirement of client to vehicle safety performance is also more and more higher.When crashing; vehicle will under the prerequisite of the personal safety of protection passenger; also will reduce vehicle and in-built damage thereof, therefore, the rear structure of the structure design of automobile especially vehicle will have good collision energy-absorbing and power transmission effect as far as possible.Rear longitudinal floor beam assembly is as the major part decomposing and transmit impact force in the rear structure of vehicle, and its design seems and is even more important.
Current vehicle manufacturers is when designing and produce vehicle, rear longitudinal floor beam assembly is arranged in bottom, rear floor, thus, first rear overhang shockproof mount will pass to the region of welding with rear wheel cover on rear floor to the impact load of vehicle body, so be easy to cause rear floor and rear wheel cover weld to produce cracking phenomena.
In the prior art, also need to be used as the installation that hard spot completes Rear secondary frame for vehicle is installed by increasing some supports or brace panel, but these supports or brace panel are only for installing Rear secondary frame for vehicle, to the bulk strength of vehicle rear body structure and the contribution of rigidity very little.In addition, if the rear structure of this vehicle is for motor vehicle driven by mixed power, then need to increase more brace panel to install electrokinetic cell and electric machine controller etc.So not only increase the weight of vehicle body, further increase the productive costs of vehicle.
Summary of the invention
The features and advantages of the present invention are partly stated in the following description, or can be apparent from this description, or learn by putting into practice the present invention.
For overcoming the problem of prior art, the invention provides longitudinal floor beam assembly and vehicle rear body structure after a kind of vehicle, longitudinal floor beam assembly after vehicle is arranged in the upper surface on floor after vehicle, and floor forms two cavitys after girder plate after vehicle in longitudinal floor beam assembly and longitudinal beam reinforcing plate and vehicle rear wheel cover and vehicle, thus floor and vehicle rear wheel cover, without the need to directly welding, utilize cavity structure decompose better and transmit impact force after making vehicle simultaneously.
It is as follows that the present invention solves the problems of the technologies described above adopted technical scheme:
According to an aspect of the present invention, provide longitudinal floor beam assembly after a kind of vehicle, comprising: girder plate, be positioned at after vehicle above floor, one end is connected with vehicle rear wheel cover, and the other end is connected with the upper surface on floor after this vehicle; Longitudinal beam reinforcing plate, between the upper surface being arranged at floor after this girder plate and vehicle, its cross-sectional plane base portion is U-shaped, this first U-shaped limit is connected with this girder plate, this U-shaped Second Edge end is connected with this vehicle rear wheel cover, and this Second Edge is provided with the point of connection be connected with the upper surface on floor after this vehicle; This longitudinal beam reinforcing plate and this vehicle rear wheel cover and this girder plate form the first cavity, and after this longitudinal beam reinforcing plate and this girder plate and this vehicle, floor forms the second cavity.
According to one embodiment of present invention, also comprise threaded line pipe brace panel, U-shaped first limit or the U-shaped bottom of its one end and this longitudinal beam reinforcing plate are connected, and the other end is connected with the U-shaped Second Edge of this longitudinal beam reinforcing plate, and this first cavity is separated into two sub-cavitys.
According to one embodiment of present invention, also comprise threaded line pipe, be positioned at this first cavity, and be connected with this threaded line pipe brace panel.
According to one embodiment of present invention, at least one end of this threaded line pipe brace panel is provided with turnup structure.
According to one embodiment of present invention, one end that this girder plate is being connected with this vehicle rear wheel cover is provided with turnup structure.
According to longitudinal floor beam assembly after the vehicle that claim 1 is somebody's turn to do, it is characterized in that, the U-shaped Second Edge end of this longitudinal beam reinforcing plate is provided with the turnup structure for being connected with this vehicle rear wheel cover.
According to one embodiment of present invention, the point of connection that the U-shaped Second Edge end of this longitudinal beam reinforcing plate is connected with this vehicle rear wheel cover is in the position of below the horizon after this vehicle residing for the lower surface of floor.
According to one embodiment of present invention, the U-shaped Second Edge of this longitudinal beam reinforcing plate is connected with the upper surface of end, floor after this vehicle.
According to another aspect of the present invention, a kind of vehicle rear body structure is provided, comprises: longitudinal floor beam assembly after above-mentioned arbitrary vehicle; Electrokinetic cell installs crossbeam, and for installing electrokinetic cell, lower surface is used for being connected with floor after this girder plate and vehicle.
According to one embodiment of present invention, the cross-sectional plane that this electrokinetic cell installs crossbeam is U-shaped, and is provided with the turnup structure for being connected with floor after this girder plate and vehicle in these two U-shaped ends.
The invention provides longitudinal floor beam assembly and vehicle rear body structure after a kind of vehicle, longitudinal floor beam assembly after vehicle is arranged in the upper surface on floor after vehicle, and floor forms two cavitys after girder plate after vehicle in longitudinal floor beam assembly and longitudinal beam reinforcing plate and vehicle rear wheel cover and vehicle, thus make rear floor and rear wheel cover without the need to directly welding, utilize cavity structure decompose better and transmit impact force simultaneously.The threaded line pipe and threaded line pipe brace panel that are used for installing subframe are also arranged in one of them cavity by the present invention, and this threaded line pipe brace panel makes certain contribution to the bulk strength of vehicle rear body structure and rigidity.When electrokinetic cell installed by needs in vehicle rear body structure, the lower surface that the electrokinetic cell for installing this electrokinetic cell installs crossbeam is connected with floor after girder plate and vehicle simultaneously, is so disperseed the application force on floor after vehicle by electrokinetic cell.
By reading specification sheets, those of ordinary skill in the art will understand the characteristic sum content of these technical schemes better.
Accompanying drawing explanation
Below by with reference to accompanying drawing describe the present invention particularly in conjunction with example, advantage of the present invention and implementation will be more obvious, wherein content shown in accompanying drawing is only for explanation of the present invention, and does not form restriction of going up in all senses of the present invention, in the accompanying drawings:
Fig. 1 is the structural representation of longitudinal floor beam assembly after the vehicle of first embodiment of the invention.
Fig. 2 is the structural representation of longitudinal floor beam assembly after the vehicle of second embodiment of the invention.
Fig. 3 is the structural representation of longitudinal floor beam assembly after the vehicle of third embodiment of the invention.
Fig. 4 is the schematic diagram of the vehicle rear body structure of the embodiment of the present invention.
Fig. 5 is the structural representation of the electrokinetic cell installation crossbeam of the embodiment of the present invention.
Detailed description of the invention
As shown in Figure 1, provide longitudinal floor beam assembly after a kind of vehicle, comprising: girder plate 10, be positioned at after vehicle above floor 60, one end is connected with vehicle rear wheel cover 50, and the other end is connected with the upper surface on floor after vehicle; Longitudinal beam reinforcing plate 20, between the upper surface being arranged at floor 10 after this girder plate 10 and vehicle, its cross-sectional plane base portion is U-shaped, this first U-shaped limit is connected with this girder plate 10, U-shaped Second Edge end is connected with this vehicle rear wheel cover 50, and this Second Edge is provided with the point of connection be connected with the upper surface on floor after vehicle; Longitudinal beam reinforcing plate 20 forms the first cavity 71 with vehicle rear wheel cover 50 and girder plate 10, and after longitudinal beam reinforcing plate 20 and girder plate 10 and vehicle, floor 60 forms the second cavity 72.The welding flange that this kind of structure needs when saving traditional rear longitudinal floor beam lateral arrangement, even and if only have 1 millimeter by thick for the material of girder plate, substantially also body performance requirement can be met, the quality of longitudinal floor beam assembly after efficiently reducing while reducing productive costs.
In the present embodiment, the point of connection that the U-shaped Second Edge end of longitudinal beam reinforcing plate 20 is connected with this vehicle rear wheel cover 50 is in the position of below the horizon after this vehicle residing for the lower surface of floor 60; And the U-shaped Second Edge of this longitudinal beam reinforcing plate is connected with the upper surface of end, floor 61 after this vehicle.
In order to realize the stability connected better, the U-shaped Second Edge end of this longitudinal beam reinforcing plate 20 is provided with the turnup structure 21 for being connected with this vehicle rear wheel cover 50, that is this turnup structure 21 be in after this vehicle residing for the lower surface of floor 60 horizon below position; One end that this girder plate 10 is being connected with this vehicle rear wheel cover 50 is provided with turnup structure 11.
Wherein owing to there is annexation between longitudinal beam reinforcing plate 20 and vehicle rear wheel cover 50, so be different from vehicle rear wheel cover of the prior art, the structure of this vehicle rear wheel cover 50 in the present invention can extend to the position after vehicle below the lower surface of floor 60 from position more than floor after vehicle 60 upper surface, this vehicle rear wheel cover 50 participates in the formation of cavity 71, and be not directly connected with floor after vehicle 60, effectively to prevent in prior art floor and vehicle rear wheel cover weld after vehicle to produce cracking phenomena.
It is the structural representation of longitudinal floor beam assembly after the vehicle of second embodiment of the invention continue referring to Fig. 2, Fig. 2.In the present embodiment, after vehicle, longitudinal floor beam assembly is except comprising girder plate 10 and longitudinal beam reinforcing plate 20, also comprise threaded line pipe brace panel 30, U-shaped first limit or the U-shaped bottom of its one end and this longitudinal beam reinforcing plate 20 are connected, the other end is connected with the U-shaped Second Edge of this longitudinal beam reinforcing plate 20, and this first cavity is separated into two sub-cavitys 711 and 712, its neutron cavity 711 is surrounded by vehicle rear wheel cover 50, girder plate 10 and threaded line pipe brace panel 30, and sub-cavity 712 is then surrounded by threaded line pipe brace panel 30 and longitudinal beam reinforcing plate 20.After this threaded line pipe brace panel 30 makes vehicle, longitudinal floor beam is always shaped as the structure of sub-cavity 711 and 712 and the second cavity 72 totally 3 cavity series connection, makes certain contribution to the bulk strength of vehicle rear body structure and rigidity.
At least one end of this threaded line pipe brace panel 30 is provided with turnup structure 31, is used for increasing the connection area between longitudinal beam reinforcing plate 20, makes connection more stable.In the present embodiment, the two ends of this threaded line pipe brace panel 30 are all provided with turnup structure 31.
Referring to Fig. 3, this screw thread brace panel 30 can also connect the threaded line pipe 40 for installing subframe, this threaded line pipe 40 is arranged in this first cavity 71 simultaneously, is more precisely arranged in the sub-cavity 712 that surrounded by threaded line pipe brace panel 30 and longitudinal beam reinforcing plate 20.So, because this first cavity 71 is positioned at the top on floor 60 after vehicle, so when installing assistant support, without the need to increasing brace panel below floor after vehicle as installation hard spot, saving body bottom section space and number of parts, having reduced productive costs simultaneously.
Please refer to Fig. 4 and Fig. 5, the present invention also provides a kind of vehicle rear body structure being mainly used in motor vehicle driven by mixed power or cell powered vehicle, comprising: longitudinal floor beam assembly after the vehicle in above-mentioned any embodiment; Electrokinetic cell installs crossbeam 80, and for installing electrokinetic cell, lower surface is used for being connected with floor 60 after this girder plate 10 and vehicle, for being disperseed the application force on floor after vehicle by electrokinetic cell; Wherein also can mounted motor controller on this girder plate 10.
The cross-sectional plane that this electrokinetic cell installs crossbeam 80 is U-shaped, and be provided with the turnup structure 81 for being connected with floor 60 after this girder plate 10 and vehicle in these two U-shaped ends, in the present embodiment, this electrokinetic cell is installed crossbeam 80 and is installed along left and right vehicle wheel direction, so can strengthen the bulk strength of vehicle rear body structure better.
In general, the impact load acting on vehicle rear body structure comprises: rear wheel shock-absorbing seat is to the impact load of vehicle body, the impact load of Rear secondary frame for vehicle attachment point to vehicle body and the impact load of electric machine controller, on the vehicle that electrokinetic cell is housed, also comprise the impact load of electrokinetic cell.In the present invention, first those loads can pass to longitudinal floor beam assembly after vehicle, the rigid body of then being connected by these cavitys in longitudinal floor beam assembly after vehicle gives rear floor along X-direction is dispersed, the problem of floor cracking after recurrent vehicle in traditional vehicle would not be there is like this, can also reduce simultaneously the material on rear floor thick come expendable weight, or select the good material of drawability to make the rear floor of profile complexity.
The invention provides longitudinal floor beam assembly and vehicle rear body structure after a kind of vehicle, longitudinal floor beam assembly after vehicle is arranged in the upper surface on floor after vehicle, and floor forms two cavitys after girder plate after vehicle in longitudinal floor beam assembly and longitudinal beam reinforcing plate and vehicle rear wheel cover and vehicle, thus make rear floor and rear wheel cover without the need to directly welding, utilize cavity structure decompose better and transmit impact force, the problem that after preventing vehicle, ftracture in floor and vehicle rear wheel cover commissure simultaneously.
The present invention also utilizes threaded line pipe brace panel that one of them cavity is separated into two sub-cavitys further, and the bulk strength of vehicle rear body structure and rigidity are strengthened further.The threaded line pipe be connected with this threaded line pipe brace panel is positioned at cavity, for installing assistant support.This kind of structure, without the need to increasing brace panel below floor after vehicle as installation hard spot, has not only been saved body bottom section space, has been also reduced number of parts, reduced productive costs.
When electrokinetic cell installed by needs in vehicle rear body structure, the lower surface that electrokinetic cell for installing this electrokinetic cell installs crossbeam is connected with floor after girder plate and vehicle simultaneously, electrokinetic cell is disperseed the application force on floor after vehicle, this electrokinetic cell is installed crossbeam to install along left and right vehicle wheel direction simultaneously, strengthen the bulk strength of vehicle rear body structure.
Above with reference to the accompanying drawings of the preferred embodiments of the present invention, those skilled in the art do not depart from the scope and spirit of the present invention, and multiple flexible program can be had to realize the present invention.For example, to illustrate as the part of an embodiment or the feature that describes can be used for another embodiment to obtain another embodiment.These are only the better feasible embodiment of the present invention, not thereby limit to interest field of the present invention that the equivalence change that all utilizations specification sheets of the present invention and accompanying drawing content are done all is contained within interest field of the present invention.
Claims (10)
1. a longitudinal floor beam assembly after vehicle, is characterized in that, comprising:
Girder plate, be positioned at after vehicle above floor, one end is connected with vehicle rear wheel cover, and the other end is connected with the upper surface on floor after described vehicle;
Longitudinal beam reinforcing plate, between the upper surface being arranged at floor after described girder plate and vehicle, its cross-sectional plane base portion is U-shaped, described the first U-shaped limit is connected with described girder plate, described U-shaped Second Edge end is connected with described vehicle rear wheel cover, and described Second Edge is provided with the point of connection be connected with the upper surface on floor after described vehicle;
Described longitudinal beam reinforcing plate and described vehicle rear wheel cover and described girder plate form the first cavity, and after described longitudinal beam reinforcing plate and described girder plate and described vehicle, floor forms the second cavity.
2. longitudinal floor beam assembly after vehicle according to claim 1, it is characterized in that, also comprise threaded line pipe brace panel, U-shaped first limit or the U-shaped bottom of its one end and described longitudinal beam reinforcing plate are connected, the other end is connected with the U-shaped Second Edge of described longitudinal beam reinforcing plate, and described first cavity is separated into two sub-cavitys.
3. longitudinal floor beam assembly after vehicle according to claim 2, is characterized in that, also comprise threaded line pipe, is positioned at described first cavity, and is connected with described threaded line pipe brace panel.
4. longitudinal floor beam assembly after vehicle according to claim 2, is characterized in that, at least one end of described threaded line pipe brace panel is provided with turnup structure.
5. longitudinal floor beam assembly after vehicle according to claim 1, is characterized in that, one end that described girder plate is being connected with described vehicle rear wheel cover is provided with turnup structure.
6. longitudinal floor beam assembly after vehicle according to claim 1, is characterized in that, the U-shaped Second Edge end of described longitudinal beam reinforcing plate is provided with the turnup structure for being connected with described vehicle rear wheel cover.
7. longitudinal floor beam assembly after vehicle according to claim 1, is characterized in that, the point of connection that the U-shaped Second Edge end of described longitudinal beam reinforcing plate is connected with described vehicle rear wheel cover is in the position of below the horizon after described vehicle residing for the lower surface of floor.
8. longitudinal floor beam assembly after vehicle according to claim 1, is characterized in that, the U-shaped Second Edge of described longitudinal beam reinforcing plate is connected with the upper surface of end, floor after described vehicle.
9. a vehicle rear body structure, is characterized in that, comprising:
Longitudinal floor beam assembly after arbitrary vehicle as described in claim 1 ~ 8;
Electrokinetic cell installs crossbeam, and for installing electrokinetic cell, lower surface is used for being connected with floor after described girder plate and vehicle.
10. vehicle rear body structure according to claim 9, is characterized in that, the cross-sectional plane that described electrokinetic cell installs crossbeam is U-shaped, and is provided with the turnup structure for being connected with floor after described girder plate and vehicle in described two U-shaped ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310181023.2A CN104163206B (en) | 2013-05-15 | 2013-05-15 | Longitudinal floor beam assembly and vehicle rear body structure after vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310181023.2A CN104163206B (en) | 2013-05-15 | 2013-05-15 | Longitudinal floor beam assembly and vehicle rear body structure after vehicle |
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| CN104163206A CN104163206A (en) | 2014-11-26 |
| CN104163206B true CN104163206B (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310181023.2A Active CN104163206B (en) | 2013-05-15 | 2013-05-15 | Longitudinal floor beam assembly and vehicle rear body structure after vehicle |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106494511B (en) * | 2016-11-29 | 2023-07-28 | 上汽通用五菱汽车股份有限公司 | Automobile rear girder assembly and automobile rear lower body structure |
| CN112896334A (en) * | 2021-03-31 | 2021-06-04 | 宝能(广州)汽车研究院有限公司 | Vehicle body structure, vehicle and assembly method of vehicle body structure |
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| CN203237296U (en) * | 2013-05-15 | 2013-10-16 | 广州汽车集团股份有限公司 | Vehicle rear floor longitudinal beam assembly and vehicle rear portion structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5477594B2 (en) * | 2011-04-25 | 2014-04-23 | マツダ株式会社 | Vehicle front structure |
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| CN201597632U (en) * | 2008-11-08 | 2010-10-06 | F·波尔希名誉工学博士公司 | Automobile body and automobile equipped with same |
| CN201347133Y (en) * | 2008-12-25 | 2009-11-18 | 比亚迪股份有限公司 | Rear floor frame of bodywork |
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| CN104163206A (en) | 2014-11-26 |
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