CN111071342A - White automobile body rear end coupling assembling of electric automobile - Google Patents
White automobile body rear end coupling assembling of electric automobile Download PDFInfo
- Publication number
- CN111071342A CN111071342A CN201811217884.0A CN201811217884A CN111071342A CN 111071342 A CN111071342 A CN 111071342A CN 201811217884 A CN201811217884 A CN 201811217884A CN 111071342 A CN111071342 A CN 111071342A
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- rear end
- plate
- end plate
- reinforcing
- fixedly connected
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- 230000008878 coupling Effects 0.000 title claims description 7
- 238000010168 coupling process Methods 0.000 title claims description 7
- 238000005859 coupling reaction Methods 0.000 title claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 58
- 238000003466 welding Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 241000227425 Pieris rapae crucivora Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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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
- B62D25/02—Side panels
-
- 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
-
- 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
- B62D25/04—Door pillars ; windshield pillars
-
- 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
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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)
Abstract
The invention discloses a white automobile body rear end connecting assembly of an electric automobile, which comprises a rear end plate, at least two rear end plate connecting plates and at least two D-pillar lower connecting plates, wherein the rear end plate is longitudinally fixed at the rear part of a rear lower automobile body, the rear end plate connecting plates and the D-pillar lower connecting plates are respectively positioned on the outer side surfaces of the left end part and the right end part of the rear end plate, the rear end part of each D-pillar lower connecting plate is fixed on a rear wheel cover, the rear end plate connecting plates extend into a rear frame cavity, the bottoms of the rear end plate connecting plates are fixedly connected with longitudinal beams, the outer side surfaces of the rear end plate connecting plates are fixedly connected with the inner surfaces of the outer sides of the longitudinal. The connecting component for the rear end of the white body of the electric automobile can effectively connect the upper body and the lower body at the rear end of the white body, improve the structural strength of the whole automobile, strengthen the stability of a frame structure at the rear end of the white body and improve the torsional rigidity of the whole automobile.
Description
Technical Field
The invention relates to the technical field of automobile rear end connection, in particular to a white automobile body rear end connecting assembly of an electric automobile.
Background
The body in white is as the base member of whole car, and its rear end connection structure all has decisive effect to whole car intensity, rigidity. The common white automobile body rear end structure mainly comprises a lower automobile body assembly 4, a side wall assembly 3, a rear end plate and a top cover in a connecting way, but the upper and lower automobile body connecting points at the lap joint are few and the structural strength is poor, and the following problems mainly exist:
1. the rear end structural frame is in an inverted trapezoid shape (as shown in figure 1), so that the torsion resistance is poor, the stability is poor, the torsion rigidity of the whole vehicle is easy to be insufficient, and the comfort of the whole vehicle is influenced;
2. the connecting areas of the rear ends of the upper and lower vehicle bodies are only connected in a matched manner through the overlapping edges (as shown in fig. 2), do not penetrate through the cavities of the longitudinal beams and the cross beams of the rear frame, do not form good excessive connection, have few paths for effectively transferring force, have insufficient structural strength, and easily cause stress concentration, thereby causing the problem of cracking of parts.
Disclosure of Invention
The invention is completed for solving the defects in the prior art, and the invention aims to provide the white body rear end connecting component of the electric automobile, which can effectively connect the upper body and the lower body at the white body rear end, improve the structural strength of the whole automobile, strengthen the stability of the white body rear end frame structure and improve the torsional rigidity of the whole automobile.
The invention relates to a white automobile body rear end connecting assembly of an electric automobile, which comprises a rear end plate, at least two rear end plate connecting plates and at least two D-pillar lower connecting plates,
the rear end plate is longitudinally fixed at the rear lower vehicle body rear part, the rear end plate connecting plate and the D-pillar lower connecting plate are respectively positioned on the outer side surfaces of the left end part and the right end part of the rear end plate, the rear end part of the D-pillar lower connecting plate is fixed on a rear wheel cover, the rear end plate connecting plate extends into a rear vehicle frame cavity, the bottom of the rear end plate connecting plate is fixedly connected with the longitudinal beam, the outer side surface of the rear end plate connecting plate is fixedly connected with the outer side inner surface of the longitudinal beam, and the inner side surface of the rear end plate connecting plate.
The connecting component for the rear end of the white body of the electric automobile can also be as follows:
the rear end plate is characterized in that at least two rear end plate supporting plates are arranged on the inner side surface of the rear end plate, the rear end plate supporting plates are longitudinally fixed on the inner side surface of the rear end plate, and a closed supporting plate cavity is formed between the rear end plate supporting plates and the rear end plate.
The rear lower vehicle body is provided with at least two rear end plate reinforcing plates, the rear end plate reinforcing plates are located below the rear end plate supporting plate, the rear end plate reinforcing plates extend into the rear vehicle frame cavity, the left side face and the right side face of each rear end plate reinforcing plate are fixedly connected with the rear side face of the cross beam, the bottom of each rear end plate reinforcing plate is fixedly connected with the bottom of the cross beam, and the front side face of each rear end plate reinforcing plate is fixedly connected with the front side face of the cross beam.
The rear end plate reinforcing plate comprises a first reinforcing plate and a second reinforcing plate, the upper portion of the second reinforcing plate is fixed in the first reinforcing plate, the left side face and the right side face of the first reinforcing plate are fixedly connected with the rear side face of the cross beam, the bottom of the second reinforcing plate is fixedly connected with the bottom of the cross beam, and the front side face of the second reinforcing plate is fixedly connected with the front side face of the cross beam.
The longitudinal section of the rear end plate reinforcing plate is U-shaped.
And the rear end plate reinforcing plate and the rear end plate connecting plate are respectively provided with at least three welding spots.
The invention discloses a white automobile body rear end connecting assembly of an electric automobile, which comprises a rear end plate, at least two rear end plate connecting plates and at least two D-column lower connecting plates, wherein the rear end plate is longitudinally fixed at the rear part of a rear lower automobile body, the rear end plate connecting plates and the D-column lower connecting plates are respectively positioned on the outer side surfaces of the left end part and the right end part of the rear end plate, the front end part of each D-column lower connecting plate is fixed on a D column, the rear end part of each D-column lower connecting plate is fixed on a rear wheel cover, the rear end plate connecting plates extend into a rear frame cavity, the bottom of each rear end plate connecting plate is fixedly connected with a longitudinal beam, the outer side surface of each rear end plate connecting plate is fixedly connected with the outer. Therefore, the connecting part of the side wall assembly and the lower vehicle body assembly is provided with at least two rear end plate connecting plates and a D-pillar lower connecting plate, and the rear end plate connecting plates are connected with the cross beam and the longitudinal beam completely, so that the connecting performance of the longitudinal beam and the cross beam in all directions is greatly enhanced, the integral frame structure of the rear vehicle frame is also stabilized, and the improvement of the torsional rigidity of the whole vehicle is facilitated. And set up D post lower junction plate between D post lower junction and rear wheel casing, make rear end lower automobile body connected region link up to the back frame cavity in, form effectual connection transition to increase power transmission route, improve structural strength. The connecting component for the rear end of the white body of the electric automobile can effectively connect the upper body and the lower body at the rear end of the white body, improve the structural strength of the whole automobile, strengthen the stability of a frame structure at the rear end of the white body and improve the torsional rigidity of the whole automobile.
Drawings
Fig. 1 is a schematic structural diagram of a white body rear end connection frame in the prior art.
Fig. 2 is a schematic diagram of the structure at a in fig. 1.
FIG. 3 is a schematic structural view of the connection of the rear underbody to the side wall assembly of the present invention.
Fig. 4 is a schematic structural diagram of a rear end plate area of a white body rear end connecting assembly of an electric automobile.
Fig. 5 is a schematic structural diagram of a white automobile body rear end connecting assembly of an electric automobile.
Fig. 6 is a partially enlarged view at C in fig. 5.
Fig. 7 is a schematic cross-sectional view at C in fig. 5.
Fig. 8 is a schematic structural diagram of a rear end plate reinforcing plate of the white body rear end connecting assembly of the electric automobile.
Fig. 9 is an exploded view of the rear end plate reinforcing plate of the white body rear end connecting assembly of the electric automobile.
Description of the figures
1 … rear end plate connecting plate 2 … D post lower connecting plate 3 … side wall assembly
4 … rear end plate supporting plate 6 … rear end plate reinforcing plate of lower vehicle body assembly 5 …
7 … first reinforcing plate 8 … second reinforcing plate 9 … rear end plate
10 … crossbeam 11 … longitudinal beam
Detailed Description
The following describes an electric vehicle body-in-white rear end connecting assembly according to the present invention in further detail with reference to fig. 3 to 9 of the accompanying drawings.
The invention relates to a white automobile body rear end connecting assembly of an electric automobile, which is characterized in that a rear end plate, at least two rear end plate connecting plates 1 and at least two D-pillar lower connecting plates 2 are shown in figures 3-9, the rear end plate is longitudinally fixed at the rear part of a rear lower automobile body, the rear end plate connecting plates 1 and the D-pillar lower connecting plates 2 are respectively positioned on the outer side surfaces of the left end part and the right end part of the rear end plate, the front end part of the D-pillar lower connecting plate 2 is fixed on a D pillar, the rear end part of the D-pillar lower connecting plate 2 is fixed on a rear wheel cover, the rear end plate connecting plates 1 extend into a rear frame cavity, the bottom of the rear end plate connecting plates 1 is fixedly connected with longitudinal beams 11, the outer side surfaces of the rear end plate connecting plates 1 are fixedly connected with the inner. Like this, through set up two at least rear end plate connecting plates 1 and D post lower connecting plate 2 in side wall assembly 3 and lower vehicle body assembly 4 junction, connect through rear end plate connecting plate 1 and connect crossbeam 10 and longeron 11 completely, strengthened longeron 11 and crossbeam 10 connection performance in all directions greatly, also stabilized the whole frame construction of back frame, be favorable to whole car torsional rigidity to promote. And set up D under-pillar connecting plate 2 between D under-pillar junction and rear wheel casing, make rear end lower body coupling region link up to the back frame cavity in, form effectual connection transition to increase power transmission route, improve structural strength. The connecting component for the rear end of the white body of the electric automobile can effectively connect the upper body and the lower body at the rear end of the white body, improve the structural strength of the whole automobile, strengthen the stability of a frame structure at the rear end of the white body and improve the torsional rigidity of the whole automobile.
Referring to fig. 3-9, the white rear end connecting assembly of an electric vehicle of the present invention may further include: the rear end plate structure is characterized in that at least two rear end plate supporting plates 5 are arranged on the inner side surface of the rear end plate 9, the rear end plate supporting plates 5 are longitudinally fixed on the inner side surface of the rear end plate 9, and a closed supporting plate cavity is formed between the rear end plate supporting plates 5 and the rear end plate 9. Thus, two rear end plate supporting plates 5 are arranged on the inner side surface of the rear end plate, the rear end plate supporting plates 5 and the rear end plate form a closed supporting plate cavity, and the structural rigidity and the strength of the rear end plate are further guaranteed through the supporting plate cavity. The further preferred scheme is as follows: be equipped with two at least rear end plate reinforcing plates 6 on the automobile body under the rear portion, rear end plate reinforcing plate 6 is located 5 below of rear end plate backup pad, rear end plate reinforcing plate 6 extends to in the back frame cavity, the 6 left and right sides faces of rear end plate reinforcing plate with crossbeam 10 trailing flank fixed connection, the 6 bottoms of rear end plate reinforcing plate with crossbeam 10 bottom fixed connection, the 6 leading flank of rear end plate reinforcing plate with crossbeam 10 leading flank fixed connection. Thus, at least two rear end plate reinforcing plates 6 are arranged on the rear lower vehicle body, so that the structural rigidity and strength of the rear end plates are enhanced on the one hand, and the structural rigidity and strength of the rear end plate supporting plates 5 are enhanced on the other hand. The rear end plate connecting plate 1 and the rear end plate reinforcing plate 6 are directly communicated into the cavity of the rear frame and are respectively connected with the bottom and the side surfaces of the longitudinal beam 11 and the rear cross beam 10, so that the connection performance of 4 vertical supports is greatly enhanced, and the rear end structural strength of the whole vehicle is greatly improved; in addition, the rear frame longitudinal beam 11, the end connection of the cross beam 10, the rear end plate connecting plate 1 form a multi-surface welding clapboard type reinforcement at the opening of the rear end of the longitudinal beam 11: the bottom flanging of the rear end plate connecting plate 1 is welded with the longitudinal beam 11, the outer side surface of the rear end plate connecting plate is welded with the inner surface of the outer side of the longitudinal beam 11, and the inner side surface of the rear end plate connecting plate is welded with the inner surface of the inner side of the longitudinal beam 11; meanwhile, the connecting plate flanging and the rear cross beam 10 are provided with two welding spots, the rear end plate connecting plate 1 is completely connected with the cross beam 10 and the longitudinal beam 11, the connecting performance of the longitudinal beam 11 and the cross beam 10 in all directions is greatly enhanced, the integral frame of the rear frame is also stabilized, and the torsional rigidity of the whole vehicle is favorably improved. The further preferred scheme is as follows: the rear end plate reinforcing plate 6 comprises a first reinforcing plate 7 and a second reinforcing plate 8, the upper portion of the second reinforcing plate 8 is fixed in the first reinforcing plate 7, the left side surface and the right side surface of the first reinforcing plate 7 are fixedly connected with the rear side surface of the cross beam 10, the bottom of the second reinforcing plate 8 is fixedly connected with the bottom of the cross beam 10, and the front side surface of the second reinforcing plate 8 is fixedly connected with the front side surface of the cross beam 10. Thus, the two parts of the first reinforcing plate 7 and the second reinforcing plate 8 are combined to form a U-shaped structure, and then the U-shaped structure is overlapped with the three sides of the U-shaped cross beam 10, so that the continuity of structural completion can be formed, and the reliability is higher. The method can also be as follows: the longitudinal section of the rear end plate reinforcing plate 6 is U-shaped. The method can also be as follows: the rear end plate reinforcing plate 6 and the rear end plate connecting plate 1 are provided with at least three welding spots. Like this, through setting up the solder joint, improve the joint strength of back end plate reinforcing plate 6 and back end plate connecting plate 1, can not lead to the condition such as back end plate fracture to take place because of stress concentration.
The above description is only for the purpose of illustrating a few embodiments of the present invention, and should not be taken as limiting the scope of the present invention, in which equivalent changes, modifications, or scaling up or down, etc. made in accordance with the spirit of the present invention should be considered as falling within the scope of the present invention.
Claims (6)
1. The utility model provides a white automobile body rear end coupling assembling of electric automobile which characterized in that: the rear end plate is longitudinally fixed at the rear part of the lower vehicle body, the rear end plate connecting plate and the D-column lower connecting plate are respectively positioned on the outer side surfaces of the left end part and the right end part of the rear end plate, the front end part of the D-column lower connecting plate is fixed on the D-column, the rear end part of the D-column lower connecting plate is fixed on a rear wheel cover, the rear end plate connecting plate extends into a rear vehicle frame cavity, the bottom of the rear end plate connecting plate is fixedly connected with the longitudinal beam, the outer side surface of the rear end plate connecting plate is fixedly connected with the outer side surface of the longitudinal beam, and the inner side surface of the rear end plate connecting plate is fixedly connected with the inner side surface of.
2. The white automobile body rear end coupling assembling of electric automobile of claim 1, characterized in that: the rear end plate is characterized in that at least two rear end plate supporting plates are arranged on the inner side surface of the rear end plate, the rear end plate supporting plates are longitudinally fixed on the inner side surface of the rear end plate, and a closed supporting plate cavity is formed between the rear end plate supporting plates and the rear end plate.
3. The white automobile body rear end coupling assembling of electric automobile of claim 2, characterized in that: the rear lower vehicle body is provided with at least two rear end plate reinforcing plates, the rear end plate reinforcing plates are located below the rear end plate supporting plate, the rear end plate reinforcing plates extend to the inside of the rear vehicle frame cavity, the left side surface and the right side surface of each rear end plate reinforcing plate are fixedly connected with the rear side surface of the cross beam, the bottom of each rear end plate reinforcing plate is fixedly connected with the bottom of the cross beam, and the front side surface of each rear end plate reinforcing plate is fixedly connected with the front side surface of the cross beam.
4. The white automobile body rear end coupling assembling of electric automobile of claim 3, characterized in that: the rear end plate reinforcing plate comprises a first reinforcing plate and a second reinforcing plate, the upper portion of the second reinforcing plate is fixed in the first reinforcing plate, the left side face and the right side face of the first reinforcing plate are fixedly connected with the rear side face of the cross beam, the bottom of the second reinforcing plate is fixedly connected with the bottom of the cross beam, and the front side face of the second reinforcing plate is fixedly connected with the front side face of the cross beam.
5. The white body rear end connecting assembly of the electric automobile according to any one of claims 3 to 4, characterized in that: the longitudinal section of the rear end plate reinforcing plate is U-shaped.
6. The white body rear end connecting assembly of the electric automobile according to any one of claims 3 to 4, characterized in that: and the rear end plate reinforcing plate and the rear end plate connecting plate are respectively provided with at least three welding spots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811217884.0A CN111071342A (en) | 2018-10-18 | 2018-10-18 | White automobile body rear end coupling assembling of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811217884.0A CN111071342A (en) | 2018-10-18 | 2018-10-18 | White automobile body rear end coupling assembling of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111071342A true CN111071342A (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811217884.0A Pending CN111071342A (en) | 2018-10-18 | 2018-10-18 | White automobile body rear end coupling assembling of electric automobile |
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| Country | Link |
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| CN (1) | CN111071342A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112373569A (en) * | 2020-07-20 | 2021-02-19 | 上汽通用五菱汽车股份有限公司 | Body-in-white frame |
| CN114162220A (en) * | 2021-11-30 | 2022-03-11 | 江铃汽车股份有限公司 | Body in white and car |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10163205A1 (en) * | 2001-12-21 | 2003-07-10 | Opel Adam Ag | Vehicle with rear axle damper fixing point has reinforcing strut parallel to rear wall of wheel well |
| CN102745249A (en) * | 2012-06-06 | 2012-10-24 | 奇瑞汽车股份有限公司 | Rear enclosing panel assembly |
| CN203294194U (en) * | 2013-05-22 | 2013-11-20 | 北汽福田汽车股份有限公司 | Metal plate structure of automobile and automobile |
| CN106184385A (en) * | 2016-07-04 | 2016-12-07 | 奇瑞汽车股份有限公司 | The automobile body-in-white that a kind of torsional rigidity is strengthened |
| CN106494513A (en) * | 2016-11-01 | 2017-03-15 | 广州汽车集团股份有限公司 | A kind of automobile quarter structure |
| CN209617273U (en) * | 2018-10-18 | 2019-11-12 | 上汽通用五菱汽车股份有限公司 | A kind of electric car white body rear end connection component |
-
2018
- 2018-10-18 CN CN201811217884.0A patent/CN111071342A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10163205A1 (en) * | 2001-12-21 | 2003-07-10 | Opel Adam Ag | Vehicle with rear axle damper fixing point has reinforcing strut parallel to rear wall of wheel well |
| CN102745249A (en) * | 2012-06-06 | 2012-10-24 | 奇瑞汽车股份有限公司 | Rear enclosing panel assembly |
| CN203294194U (en) * | 2013-05-22 | 2013-11-20 | 北汽福田汽车股份有限公司 | Metal plate structure of automobile and automobile |
| CN106184385A (en) * | 2016-07-04 | 2016-12-07 | 奇瑞汽车股份有限公司 | The automobile body-in-white that a kind of torsional rigidity is strengthened |
| CN106494513A (en) * | 2016-11-01 | 2017-03-15 | 广州汽车集团股份有限公司 | A kind of automobile quarter structure |
| CN209617273U (en) * | 2018-10-18 | 2019-11-12 | 上汽通用五菱汽车股份有限公司 | A kind of electric car white body rear end connection component |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112373569A (en) * | 2020-07-20 | 2021-02-19 | 上汽通用五菱汽车股份有限公司 | Body-in-white frame |
| CN114162220A (en) * | 2021-11-30 | 2022-03-11 | 江铃汽车股份有限公司 | Body in white and car |
| CN114162220B (en) * | 2021-11-30 | 2023-06-06 | 江铃汽车股份有限公司 | White automobile body and automobile |
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