CN203237296U - Vehicle rear floor longitudinal beam assembly and vehicle rear portion structure - Google Patents

Vehicle rear floor longitudinal beam assembly and vehicle rear portion structure Download PDF

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Publication number
CN203237296U
CN203237296U CN 201320266604 CN201320266604U CN203237296U CN 203237296 U CN203237296 U CN 203237296U CN 201320266604 CN201320266604 CN 201320266604 CN 201320266604 U CN201320266604 U CN 201320266604U CN 203237296 U CN203237296 U CN 203237296U
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CN
China
Prior art keywords
vehicle
floor
longitudinal
behind
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Withdrawn - After Issue
Application number
CN 201320266604
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Chinese (zh)
Inventor
薛军
蔡汉琛
邓有志
陈爱民
杨万庆
袁焕泉
陈东
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Guangzhou Automobile Group Co Ltd
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Guangzhou Automobile Group Co Ltd
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Priority to CN 201320266604 priority Critical patent/CN203237296U/en
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Publication of CN203237296U publication Critical patent/CN203237296U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model provides a vehicle rear floor longitudinal beam assembly and a vehicle rear portion structure. The vehicle rear floor longitudinal beam assembly is arranged above a vehicle rear floor, and comprises a longitudinal beam outer board and a longitudinal beam reinforcing board, wherein one end of the longitudinal beam outer board is connected with a vehicle rear wheel cover, and the other end of the longitudinal beam outer board is connected with the upper surface of the vehicle rear floor; the longitudinal beam reinforcing board is arranged between the longitudinal beam outer board and the vehicle rear floor, the main body of the cross section of the longitudinal beam reinforcing board is in a U type, a first edge of the U type is connected with the longitudinal beam outer board, the tail end of a second edge of the U type is connected with the vehicle rear wheel cover, and the second edge is provided with a connection point connected with the upper surface of the vehicle rear floor; a first cavity is formed by the longitudinal beam reinforcing board, the vehicle rear wheel cover and the longitudinal beam outer board, and a second cavity is formed by the longitudinal beam reinforcing board, the longitudinal beam outer board and the vehicle rear floor. The vehicle rear portion structure comprises the vehicle rear floor longitudinal beam assembly and a power battery installation cross beam, wherein the lower surface of the power battery installation cross beam is connected with the longitudinal beam outer board and the vehicle rear floor. According to the structure, the vehicle rear floor longitudinal beam assembly and the vehicle rear portion structure can decompose and transmit striking force better, and have higher strength.

Description

Longitudinal floor beam assembly and vehicle rear body structure behind the vehicle
Technical field
The utility model relates to the vehicle technology field, is specifically related to longitudinal floor beam assembly and vehicle rear body structure behind the vehicle.
Background technology
For various purpose and requirement, the vehicle body structure form is different, and the difference by the carrying form can be divided into vehicle body body-chassis frame construction and self-supporting body, for the weight that alleviates vehicle body and body structure is rationalized, increasing vehicle adopts the self-supporting body design.
Along with the competition of vehicle market is more and more fierce, client is also more and more higher to the requirement of vehicle safety performance.When crashing; vehicle will be under the prerequisite of the personal safety of protecting the passenger; also will reduce vehicle and in-built damage thereof, therefore, the structure design of the automobile especially rear structure of 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 that decomposes and transmit impact force in the rear structure of vehicle, and its design seems and is even more important.
Vehicle manufacturers is when design and production vehicle at present, rear longitudinal floor beam assembly is arranged in bottom, rear floor, thus, the rear overhang shockproof mount will at first pass to the zone of rear floor and rear wheel cover welding 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 installing the installation that hard spot is finished Rear secondary frame for vehicle by increasing some supports or brace panel, but these supports or brace panel only be used for to be installed Rear secondary frame for vehicle, very little to the contribution of the bulk strength of vehicle rear body structure and rigidity.In addition, if the rear structure of this vehicle is used for motor vehicle driven by mixed power, then needs to increase more brace panel electrokinetic cell and electric machine controller etc. are installed.So not only increase the weight of vehicle body, more increased the productive costs of vehicle.
The utility model content
Feature and advantage of the present utility model are partly statement in the following description, perhaps can describe obviously from this, perhaps can learn by putting into practice the utility model.
For overcoming the problem of prior art, the utility model provides longitudinal floor beam assembly and vehicle rear body structure behind a kind of vehicle, longitudinal floor beam assembly behind the vehicle is arranged in the upper surface on floor behind the vehicle, and the floor forms two cavitys behind the girder plate behind the vehicle in the longitudinal floor beam assembly and longitudinal beam reinforcing plate and vehicle rear wheel cover and the vehicle, floor and vehicle rear wheel cover need not direct welding behind the vehicle thereby make, and utilize simultaneously cavity structure to decompose better and transmit impact force.
It is as follows that the utility model solves the problems of the technologies described above the technical scheme that adopts:
According to an aspect of the present utility model, longitudinal floor beam assembly behind a kind of vehicle is provided, comprising: girder plate, be positioned at top, floor behind the vehicle, an end links to each other with the vehicle rear wheel cover, and the upper surface on floor links to each other behind the other end and this vehicle; Longitudinal beam reinforcing plate, be arranged between the upper surface on floor behind this girder plate and the vehicle, its cross-sectional plane base portion is U-shaped, this U-shaped first side links to each other with this girder plate, this U-shaped Second Edge end links to each other with this vehicle rear wheel cover, and this Second Edge is provided with the point of connection that links to each other with the upper surface on floor behind this vehicle; This longitudinal beam reinforcing plate and this vehicle rear wheel cover and this girder plate form the first cavity, and the floor forms the second cavity behind this longitudinal beam reinforcing plate and this girder plate and this vehicle.
According to an embodiment of the present utility model, also comprise the threaded line pipe brace panel, the one end links to each other with U-shaped first side or the U-shaped bottom of this longitudinal beam reinforcing plate, and the other end links to each other with the U-shaped Second Edge of this longitudinal beam reinforcing plate, and this first cavity is separated into two sub-cavitys.
According to an embodiment of the present utility model, also comprise threaded line pipe, be positioned at this first cavity, and link to each other with this threaded line pipe brace panel.
According to an embodiment of the present utility model, at least one end of this threaded line pipe brace panel is provided with turnup structure.
According to an embodiment of the present utility model, this girder plate is provided with turnup structure at an end that links to each other with this vehicle rear wheel cover.
According to claim 1, behind the vehicle that is somebody's turn to do the longitudinal floor beam assembly is characterized in that, the U-shaped Second Edge end of this longitudinal beam reinforcing plate is provided with the turnup structure that links to each other for this vehicle rear wheel cover.
According to an embodiment of the present utility model, the point of connection that the U-shaped Second Edge end of this longitudinal beam reinforcing plate links to each other with this vehicle rear wheel cover is in the position below the residing horizon of floor lower surface behind this vehicle.
According to an embodiment of the present utility model, the upper surface of end, floor links to each other behind the U-shaped Second Edge of this longitudinal beam reinforcing plate and this vehicle.
According to another aspect of the present utility model, a kind of vehicle rear body structure is provided, comprising: longitudinal floor beam assembly behind above-mentioned arbitrary vehicle; Electrokinetic cell is installed crossbeam, is used for installing electrokinetic cell, and lower surface is used for linking to each other with floor behind this girder plate and the vehicle.
According to an embodiment of the present utility model, the cross-sectional plane that this electrokinetic cell is installed crossbeam is U-shaped, and is provided with the turnup structure that links to each other for floor behind this girder plate and the vehicle in these two U-shaped ends.
The utility model provides longitudinal floor beam assembly and vehicle rear body structure behind a kind of vehicle, longitudinal floor beam assembly behind the vehicle is arranged in the upper surface on floor behind the vehicle, and the floor forms two cavitys behind the girder plate behind the vehicle in the longitudinal floor beam assembly and longitudinal beam reinforcing plate and vehicle rear wheel cover and the vehicle, thereby make rear floor and rear wheel cover need not direct welding, utilize simultaneously cavity structure to decompose better and transmit impact force.The utility model also will be installed in one of them cavity for threaded line pipe and threaded line pipe brace panel that subframe is installed, and this threaded line pipe brace panel is made certain contribution to bulk strength and the rigidity of vehicle rear body structure.When needs were installed electrokinetic cell in vehicle rear body structure, the lower surface that the electrokinetic cell that this electrokinetic cell be used for to be installed is installed crossbeam linked to each other with floor behind girder plate and the vehicle simultaneously, like this with electrokinetic cell to vehicle after the application force on floor disperse.
By reading specification sheets, those of ordinary skills will understand feature and the content of these technical schemes better.
Description of drawings
Below by describing particularly the utility model with reference to the accompanying drawings and in conjunction with example, advantage of the present utility model and implementation will be more obvious, wherein content shown in the accompanying drawing only is used for explaining to of the present utility model, and do not consist of the restriction of going up in all senses of the present utility model, in the accompanying drawings:
Fig. 1 is the structural representation of longitudinal floor beam assembly behind the vehicle of the utility model the first embodiment.
Fig. 2 is the structural representation of longitudinal floor beam assembly behind the vehicle of the utility model the second embodiment.
Fig. 3 is the structural representation of longitudinal floor beam assembly behind the vehicle of the utility model the 3rd embodiment.
Fig. 4 is the schematic diagram of the vehicle rear body structure of the utility model embodiment.
Fig. 5 is the structural representation that the electrokinetic cell of the utility model embodiment is installed crossbeam.
The specific embodiment
As shown in Figure 1, provide longitudinal floor beam assembly behind a kind of vehicle, comprising: girder plate 10, be positioned at 60 tops, floor behind the vehicle, an end links to each other with vehicle rear wheel cover 50, and the upper surface on floor links to each other behind the other end and the vehicle; Longitudinal beam reinforcing plate 20, be arranged between the upper surface on floor 10 behind this girder plate 10 and the vehicle, its cross-sectional plane base portion is U-shaped, this U-shaped first side links to each other with this girder plate 10, U-shaped Second Edge end links to each other with this vehicle rear wheel cover 50, and this Second Edge is provided with the point of connection that links to each other with the upper surface on floor behind the vehicle; Longitudinal beam reinforcing plate 20 forms the first cavity 71 with vehicle rear wheel cover 50 and girder plate 10, and floor 60 forms the second cavity 72 behind longitudinal beam reinforcing plate 20 and girder plate 10 and the vehicle.The welding flange that has needed when this kind structure has been saved traditional rear longitudinal floor beam lateral arrangement, even and only have 1 millimeter with the material of girder plate is thick, substantially also can satisfy the body performance requirement, when reducing production costs, effectively reduce the quality of rear longitudinal floor beam assembly.
In the present embodiment, the point of connection that links to each other with this vehicle rear wheel cover 50 of the U-shaped Second Edge end of longitudinal beam reinforcing plate 20 is in the position below the residing horizon of floor 60 lower surfaces behind this vehicle; And the upper surface of end, floor 61 links to each other behind the U-shaped Second Edge of this longitudinal beam reinforcing plate and this vehicle.
For the stability that realizes better connecting, the U-shaped Second Edge end of this longitudinal beam reinforcing plate 20 is provided with the turnup structure 21 that links to each other for this vehicle rear wheel cover 50, that is to say that this turnup structure 21 is in the following position of the residing horizon of floor 60 lower surfaces behind this vehicle; This girder plate 10 is provided with turnup structure 11 at an end that links to each other with this vehicle rear wheel cover 50.
Wherein owing to having annexation between longitudinal beam reinforcing plate 20 and the 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 utility model can extend to from the position more than 60 upper surfaces of floor behind the vehicle position below 60 lower surfaces of floor behind the vehicle, this vehicle rear wheel cover 50 participates in the formation of cavity 71, and not with vehicle after floor 60 directly be connected, prevent effectively in the prior art that floor and vehicle rear wheel cover weld produce cracking phenomena behind the vehicle.
Please continue with reference to Fig. 2, Fig. 2 is the structural representation of longitudinal floor beam assembly behind the vehicle of the utility model the second embodiment.In the present embodiment, the longitudinal floor beam assembly is except comprising girder plate 10 and longitudinal beam reinforcing plate 20 behind the vehicle, also comprise threaded line pipe brace panel 30, the one end links to each other with U-shaped first side or the U-shaped bottom of this longitudinal beam reinforcing plate 20, the other end links to each other 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.This threaded line pipe brace panel 30 makes behind the vehicle longitudinal floor beam always be shaped as sub-cavity 711 and the 712 and second cavity 72 structures of totally 3 cavity series connection, and bulk strength and the rigidity of vehicle rear body structure are made certain contribution.
At least one end of this threaded line pipe brace panel 30 is provided with turnup structure 31, be used for increasing and longitudinal beam reinforcing plate 20 between connection area, make connection more stable.In the present embodiment, the two ends of this threaded line pipe brace panel 30 all are provided with turnup structure 31.
Please be simultaneously with reference to Fig. 3, on this screw thread brace panel 30, can also connect for the threaded line pipe 40 that subframe is installed, simultaneously this threaded line pipe 40 is arranged in this first cavity 71, more precisely is arranged in the sub-cavity 712 that is 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 behind the vehicle, so when assistant support is installed, need not below floor behind the vehicle, to increase brace panel as hard spot is installed, save body bottom section space and number of parts, reduced simultaneously productive costs.
Please refer to Fig. 4 and Fig. 5, the utility model also provides a kind of vehicle rear body structure that is mainly used in motor vehicle driven by mixed power or battery power vehicle, comprising: longitudinal floor beam assembly behind the vehicle among above-mentioned arbitrary embodiment; Electrokinetic cell is installed crossbeam 80, is used for installing electrokinetic cell, and lower surface is used for linking to each other with floor 60 behind this girder plate 10 and the vehicle, for electrokinetic cell to vehicle after the application force on floor disperse; But mounted motor controller also on this girder plate 10 wherein.
The cross-sectional plane that this electrokinetic cell is installed crossbeam 80 is U-shaped, and be provided with the turnup structure 81 that links to each other for floor 60 behind this girder plate 10 and the vehicle in these two U-shaped ends, in the present embodiment, this electrokinetic cell is installed crossbeam 80 and is installed along the left and right vehicle wheel direction, so can strengthen better the bulk strength of vehicle rear body structure.
In general, the impact load that acts on vehicle rear body structure comprises: the rear wheel shock-absorbing seat to the impact load of vehicle body, Rear secondary frame for vehicle attachment point to the impact load of vehicle body and the impact load of electric machine controller, being equipped with on the vehicle of electrokinetic cell, also comprise the impact load of electrokinetic cell.In the utility model, those loads at first can pass to longitudinal floor beam assembly behind the vehicle, then give rear floor by the rigid body of these cavity series connection in the longitudinal floor beam assembly behind the vehicle along the X-direction Uniform Dispersion, so just the problem that behind the recurrent vehicle ftracture in the floor on the traditional vehicle can not appear, can also reduce simultaneously that the material on rear floor is thick to come expendable weight, or select the good material of drawability to make the rear floor of profile complexity.
The utility model provides longitudinal floor beam assembly and vehicle rear body structure behind a kind of vehicle, longitudinal floor beam assembly behind the vehicle is arranged in the upper surface on floor behind the vehicle, and the floor forms two cavitys behind the girder plate behind the vehicle in the longitudinal floor beam assembly and longitudinal beam reinforcing plate and vehicle rear wheel cover and the vehicle, thereby make rear floor and rear wheel cover need not direct welding, utilize simultaneously cavity structure to decompose better and transmit impact force, prevent the problem on floor and vehicle rear wheel cover commissure cracking behind the vehicle.
The utility model also further utilizes the threaded line pipe brace panel that one of them cavity is separated into two sub-cavitys, and the bulk strength of vehicle rear body structure and rigidity are further strengthened.The threaded line pipe that links to each other with this threaded line pipe brace panel is positioned at cavity, is used for installing assistant support.This kind structure need not to increase brace panel as hard spot is installed below floor behind the vehicle, not only saved the body bottom section space, has also reduced number of parts, has reduced productive costs.
When needs are installed electrokinetic cell in vehicle rear body structure, the lower surface that is used for the electrokinetic cell installation crossbeam of this electrokinetic cell of installation links to each other with floor behind girder plate and the vehicle simultaneously, with electrokinetic cell to vehicle after the application force on floor disperse, simultaneously this electrokinetic cell is installed crossbeam and install along the left and right vehicle wheel direction, strengthen the bulk strength of vehicle rear body structure.
Above with reference to the accompanying drawings of preferred embodiment of the present utility model, those skilled in the art do not break away from scope of the present utility model and essence, can have multiple flexible program to realize the utility model.For example, the feature that illustrates or describe as the part of an embodiment can be used for another embodiment to obtain another embodiment.Below only be the better feasible embodiment of the utility model, be not so limit to interest field of the present utility model, the equivalence that all utilization the utility model specification sheetss and accompanying drawing content are done changes, and all is contained within the interest field of the present utility model.

Claims (10)

1. longitudinal floor beam assembly behind the vehicle is characterized in that, comprising:
Girder plate is positioned at top, floor behind the vehicle, and an end links to each other with the vehicle rear wheel cover, and the upper surface on floor links to each other behind the other end and the described vehicle;
Longitudinal beam reinforcing plate, be arranged between the upper surface on floor behind described girder plate and the vehicle, its cross-sectional plane base portion is U-shaped, described U-shaped first side links to each other with described girder plate, described U-shaped Second Edge end links to each other with described vehicle rear wheel cover, and described Second Edge is provided with the point of connection that links to each other with the upper surface on floor behind the described vehicle;
Described longitudinal beam reinforcing plate and described vehicle rear wheel cover and described girder plate form the first cavity, and the floor forms the second cavity behind described longitudinal beam reinforcing plate and described girder plate and the described vehicle.
2. longitudinal floor beam assembly behind the vehicle according to claim 1, it is characterized in that, also comprise the threaded line pipe brace panel, the one end links to each other with U-shaped first side or the U-shaped bottom of described longitudinal beam reinforcing plate, the other end links to each other with the U-shaped Second Edge of described longitudinal beam reinforcing plate, and described the first cavity is separated into two sub-cavitys.
3. longitudinal floor beam assembly behind the vehicle according to claim 2 is characterized in that, also comprises threaded line pipe, is positioned at described the first cavity, and links to each other with described threaded line pipe brace panel.
4. longitudinal floor beam assembly behind the 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 behind the vehicle according to claim 1 is characterized in that, described girder plate is provided with turnup structure at an end that links to each other with described vehicle rear wheel cover.
6. longitudinal floor beam assembly behind the 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 that links to each other for described vehicle rear wheel cover.
7. longitudinal floor beam assembly behind the 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 links to each other with described vehicle rear wheel cover is in the position below the residing horizon of floor lower surface behind the described vehicle.
8. longitudinal floor beam assembly behind the vehicle according to claim 1 is characterized in that, the upper surface of end, floor links to each other behind the U-shaped Second Edge of described longitudinal beam reinforcing plate and the described vehicle.
9. a vehicle rear body structure is characterized in that, comprising:
Such as longitudinal floor beam assembly behind the described arbitrary vehicle of claim 1~8;
Electrokinetic cell is installed crossbeam, is used for installing electrokinetic cell, and lower surface is used for linking to each other with floor behind described girder plate and the vehicle.
10. vehicle rear body structure according to claim 9 is characterized in that, the cross-sectional plane that described electrokinetic cell is installed crossbeam is U-shaped, and is provided with the turnup structure that links to each other for floor behind described girder plate and the vehicle in described two U-shaped ends.
CN 201320266604 2013-05-15 2013-05-15 Vehicle rear floor longitudinal beam assembly and vehicle rear portion structure Withdrawn - After Issue CN203237296U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320266604 CN203237296U (en) 2013-05-15 2013-05-15 Vehicle rear floor longitudinal beam assembly and vehicle rear portion structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320266604 CN203237296U (en) 2013-05-15 2013-05-15 Vehicle rear floor longitudinal beam assembly and vehicle rear portion structure

Publications (1)

Publication Number Publication Date
CN203237296U true CN203237296U (en) 2013-10-16

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CN 201320266604 Withdrawn - After Issue CN203237296U (en) 2013-05-15 2013-05-15 Vehicle rear floor longitudinal beam assembly and vehicle rear portion structure

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104163206A (en) * 2013-05-15 2014-11-26 广州汽车集团股份有限公司 Vehicle rear floor longitudinal beam assembly and vehicle rear structure
CN104828149A (en) * 2014-12-16 2015-08-12 北汽福田汽车股份有限公司 Rear girder rear cover plate assembly and vehicle body
CN109305022A (en) * 2018-09-28 2019-02-05 上汽通用五菱汽车股份有限公司 Protective device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104163206A (en) * 2013-05-15 2014-11-26 广州汽车集团股份有限公司 Vehicle rear floor longitudinal beam assembly and vehicle rear structure
CN104163206B (en) * 2013-05-15 2015-12-23 广州汽车集团股份有限公司 Longitudinal floor beam assembly and vehicle rear body structure after vehicle
CN104828149A (en) * 2014-12-16 2015-08-12 北汽福田汽车股份有限公司 Rear girder rear cover plate assembly and vehicle body
CN104828149B (en) * 2014-12-16 2018-03-27 北汽福田汽车股份有限公司 Floor side member bonnet board component and vehicle body
CN109305022A (en) * 2018-09-28 2019-02-05 上汽通用五菱汽车股份有限公司 Protective device

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C14 Grant of patent or utility model
GR01 Patent grant
C25 Abandonment of patent right or utility model to avoid double patenting
AV01 Patent right actively abandoned

Granted publication date: 20131016

Effective date of abandoning: 20151223