CN216580062U - Automobile back door outer plate structure and automobile body rear structure - Google Patents
Automobile back door outer plate structure and automobile body rear structure Download PDFInfo
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- CN216580062U CN216580062U CN202123203458.1U CN202123203458U CN216580062U CN 216580062 U CN216580062 U CN 216580062U CN 202123203458 U CN202123203458 U CN 202123203458U CN 216580062 U CN216580062 U CN 216580062U
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Abstract
The utility model relates to the technical field of automobile body components, and discloses an outer plate structure and a rear body structure of an automobile back door, which comprise an upper plate, a connecting plate and a lower plate positioned below the upper plate, wherein the upper plate comprises an upper plate middle part positioned in an upper plate middle area and upper plate side parts positioned on two sides of the upper plate middle part, and the lower plate comprises a lower plate middle part positioned in a lower plate middle area and lower plate side parts positioned on two sides of the lower plate middle part; the upper end of the connecting plate is in lap joint with the middle part of the upper plate, and the lower end of the connecting plate is in lap joint with the middle part of the lower plate; the lower end of the side part of the upper plate is in lap joint with the upper end of the side part of the lower plate; the upper edge of the connecting plate is provided with a step structure which is used for being lapped with the middle part of the upper plate, and the step structure protrudes towards the inside of the vehicle body. The upper plate, the connecting plate and the lower plate are connected to form the automobile back door outer plate structure, the multi-section structure can realize complex modeling, the process molding is easy, and the performance requirement of the automobile back door outer plate structure can be met.
Description
Technical Field
The utility model relates to the technical field of automobile body components, in particular to an outer plate structure of an automobile back door and an automobile body rear structure.
Background
At present, aiming at increasingly complex and personalized back door modeling, an outer plate of the back door cannot be integrally formed by punching, the prior art mainly adopts a split spot welding structure of the back door and the upper back door and the lower back door, a split laser welding technology of the back door and the upper back door, plastic decorating parts are added, a plastic back door structure and other schemes are adopted for solving the problem, but after the parting positions of the upper back door and the lower back door are connected by spot welding, decorating strips are required to be adopted to shield welding spots and parting seams; the up-down split structure adopting the up-down split laser welding of the back door can not meet the requirements of all shapes; the cost and the weight of the outer plate are increased by adding the plastic decorating part, and the plastic part is difficult to assemble, so that the defects of abnormal sound, water leakage and the like are easily caused; the plastic back door increases cost, and has a complex structure, poor performance and high maintenance cost.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is: the automobile back door outer plate structure is simple in process and easy to assemble and can meet the requirement of back door modeling.
In order to achieve the above objects, the present invention provides an automobile back door outer panel structure, comprising an upper panel, a connecting panel and a lower panel located below the upper panel, wherein the upper panel comprises an upper panel middle part located in a middle area of the upper panel and upper panel side parts located at both sides of the upper panel middle part, and the lower panel comprises a lower panel middle part located in a middle area of the lower panel and lower panel side parts located at both sides of the lower panel middle part;
the upper end of the connecting plate is in lap joint with the middle part of the upper plate, and the lower end of the connecting plate is in lap joint with the middle part of the lower plate; the lower end of the side part of the upper plate is in lap joint with the upper end of the side part of the lower plate; the upper edge of the connecting plate is provided with a step structure which is used for being lapped with the middle part of the upper plate, and the step structure protrudes towards the inside of the vehicle body.
In some embodiments of the present application, the lower edge of the connecting plate is provided with a stiffener structure.
In some embodiments of the application, the lower extreme top-down in upper plate middle part is equipped with the first portion of bending and the second portion of bending of buckling to automobile body inside in proper order, the second portion of bending with the stair structure overlap joint.
In some embodiments of the present application, the second bend is connected with the step structure.
In some embodiments of the present application, a third bend is further disposed on the upper panel, the third bend being located at the upper panel side.
In some embodiments of this application, the lower extreme of upper plate lateral part is equipped with the third bending portion of buckling to the automobile body inside, the upper end of hypoplastron is equipped with the fourth bending portion of buckling to the automobile body inside, the fourth bending portion respectively with the lower extreme of connecting plate, third bending portion overlap joint.
In some embodiments of the present application, the step structure has a length greater than 8 mm.
In some embodiments of the present application, the second fold is greater than 8mm in length.
In some embodiments of the present application, the fourth bend has a length greater than 8 mm.
In some embodiments of the present application, the connecting plate is provided with at least one mounting hole and at least one mounting platform.
In some embodiments of the present application, there is also provided a vehicle body rear structure including the above-described automobile back door outer panel structure.
Compared with the prior art, the automobile back door outer plate structure provided by the embodiment of the utility model has the beneficial effects that: the structure of the outer plate of the automobile back door is simplified and divided into an upper plate, a connecting plate and a lower plate, and the three parts are connected to form the outer plate structure of the automobile back door; meanwhile, the multi-section structure can realize complex modeling and meet the modeling requirement of the back door; and the molding is easy on the technology, the reliability is high, and the performance requirement of the outer plate structure of the automobile back door can be met.
Drawings
FIG. 1 is a schematic structural view of an outer panel structure of a back door of an automobile according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a connecting plate in an embodiment of the present invention;
FIG. 3 is a schematic structural view of section A-A in an embodiment of the present invention;
FIG. 4 is a schematic structural view of section B-B in an embodiment of the present invention;
FIG. 5 is a schematic structural view of section C-C in an embodiment of the present invention;
FIG. 6 is a schematic structural view of section D-D in an embodiment of the present invention.
In the figure, 1, an upper plate; 11. a first bending portion; 12. a second bending portion; 13. a third bend portion;
2. a connecting plate; 21. a step structure; 22. a reinforcing rib structure; 23. mounting holes; 24. an installation table;
3. a lower plate; 31. a fourth bent portion;
4. the middle part of the upper plate;
5. an upper plate side portion;
6. the middle part of the lower plate;
7. and a lower plate side portion.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present application, it is to be understood that the terms "upper", "lower", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
As shown in fig. 1, an outer panel structure of a back door of an automobile according to a preferred embodiment of the present invention includes an upper panel 1, a connecting panel 2, and a lower panel 3 located below the upper panel 1, wherein the upper panel 1 includes an upper panel middle portion 4 located in a middle region of the upper panel 1 and upper panel side portions 5 located at both sides of the upper panel middle portion 4, and the lower panel 3 includes a lower panel middle portion located in a middle region of the lower panel 3 and lower panel side portions 7 located at both sides of a lower panel middle portion 6;
the upper end of the connecting plate 2 is in lap joint with the middle part 4 of the upper plate, and the lower end of the connecting plate is in lap joint with the middle part 6 of the lower plate; the lower end of the upper plate side 5 and the upper end of the lower plate side 7 overlap. Preferably, the overlapping is carried out by laser brazing.
According to the utility model, the structure of the automobile back door outer plate is simplified and divided into the upper plate 1, the connecting plate 2 and the lower plate 3, and the three parts are connected by laser brazing to form the automobile back door outer plate structure, the welding seam of the laser brazing is attractive, and no additional decorative plate is needed to cover; meanwhile, the multi-section structure can realize complex modeling and meet the modeling requirement of the back door; and the molding is easy on the technology, the reliability is high, and the performance requirement of the outer plate structure of the automobile back door can be met.
In other preferred embodiments, as shown in fig. 2 to 4, the upper edge of the connecting plate 2 is provided with a step structure 21 for overlapping with the upper plate middle portion 4, and the step structure 21 protrudes toward the inside of the vehicle body; the lower edge of the connecting plate 2 is provided with a stiffener structure 22. Further, a first bending portion 11 and a second bending portion 12 which are bent towards the interior of the vehicle body are sequentially arranged at the lower end of the upper plate middle portion 4 from top to bottom, and the second bending portion 12 is in lap joint with the step structure 21. Still further, a third bending portion 13 is further disposed on the upper plate 1, and the third bending portion 13 is located at the upper plate side portion 5. By providing the first bent portion 11 and the second bent portion 12 on the upper plate 1, the rigidity of the upper plate 1 can be increased, providing conditions for the lap joint of the upper plate 1 and the connecting plate 2.
In other preferred embodiments, the connection plate 2 is provided with at least one mounting hole 23 and at least one mounting platform 24. Specifically, a license plate lamp, a rear reversing camera and a microswitch can be simultaneously installed on the connecting plate 2, the rear reversing camera and the microswitch are installed in the installation hole 23, and the license plate lamp is installed in the installation table 24. The step structure 21 is arranged on the connecting plate 2, so that the connecting plate 2 is prevented from being directly welded with the upper plate 1, and the structure of the mounting hole 23 and the structure of the mounting table 24 are prevented from being influenced; meanwhile, the step structure 21 and the reinforcing rib structure 22 can increase the rigidity of the connecting plate 2, and avoid deformation during laser brazing.
In another preferred embodiment, as shown in fig. 5 to 6, the lower plate 3 is provided with a fourth bent portion 31, the lower end of the upper plate side portion 5 is provided with a third bent portion 13 bent toward the inside of the vehicle body, the upper end of the lower plate 3 is provided with a fourth bent portion 31 bent toward the inside of the vehicle body, and the fourth bent portion 31 is overlapped with the lower end of the link plate 2 and the third bent portion 13, respectively.
In other preferred embodiments, the length of the step structure 21 is greater than 8 mm. The length of the second bending part 12 is more than 8 mm. The length of the fourth bent portion 31 is greater than 8 mm. Further, the upper plate side 5 is higher than the lower plate side 7 by 2 to 3 mm. The lengths of the step structure 21, the second bending part 12 and the fourth bending part 31 are set, so that the welding strength is ensured, and the connection between the upper plate 1 and the connecting plate 2 and the connection between the connecting plate 2 and the lower plate 3 are firmer; the upper plate side part 5 is higher than the lower plate side part 7, so that the laser brazing filler metal can be better filled in a parting joint during laser brazing, and a welding joint has concealment performance and is not easy to expose.
In view of the above objects, the present invention also provides a vehicle body rear structure, including the above vehicle back door outer panel structure,
in summary, the embodiment of the utility model provides an outer plate structure of an automobile back door, which is divided into an upper plate 1, a connecting plate 2 and a lower plate 3 by simplifying the structure of the outer plate of the automobile back door, and the three parts are connected by laser brazing to form the outer plate structure of the automobile back door, so that the welding seam of the laser brazing is beautiful without being covered by an additional decorative plate; in addition, the multi-section structure can realize complex modeling and meet the modeling requirement of the back door;
meanwhile, the multi-section design is easy to form technically, has high reliability and can meet the performance requirement of the outer plate structure of the back door of the automobile;
furthermore, by arranging at least one mounting hole 23 and a mounting platform 24 on the connecting plate 2, a license plate lamp, a rear reversing camera and a microswitch can be simultaneously mounted, so that the accessory arrangement requirement of the rear back door of the automobile is met; in addition, the step structure 21 and the reinforcing rib structure 22 are arranged on the connecting plate, so that the rigidity of the connecting plate 2 can be improved, and the deformation of the connecting plate during laser brazing is avoided;
still further, through setting up length and the upper plate lateral part 5 height of stair structure 21, second portion of bending 12, fourth portion of bending 31 than hypoplastron lateral part 7, reliability when can guaranteeing the welding, the overlap joint between upper plate 1, connecting plate 2 and the hypoplastron 3 of being convenient for can let the core wire fill in the parting better simultaneously, makes the welding seam have disguisedly, is difficult for exposing.
The automobile body rear structure provided by the utility model comprises the automobile back door outer plate structure, so that the requirement of complex modeling of the back door can be met.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (9)
1. An outer plate structure of a back door of an automobile is characterized by comprising an upper plate, a connecting plate and a lower plate positioned below the upper plate, wherein the upper plate comprises an upper plate middle part positioned in an upper plate middle area and upper plate side parts positioned on two sides of the upper plate middle part, and the lower plate comprises a lower plate middle part positioned in a lower plate middle area and lower plate side parts positioned on two sides of the lower plate middle part;
the upper end of the connecting plate is in lap joint with the middle part of the upper plate, and the lower end of the connecting plate is in lap joint with the middle part of the lower plate; the lower end of the side part of the upper plate is in lap joint with the upper end of the side part of the lower plate; the upper edge of the connecting plate is provided with a step structure which is used for being lapped with the middle part of the upper plate, and the step structure protrudes towards the inside of the vehicle body.
2. The automobile back door outer panel structure according to claim 1, wherein: and a reinforcing rib structure is arranged at the lower edge of the connecting plate.
3. The automobile back door outer panel structure according to claim 1 or 2, wherein: the lower extreme top-down at upper plate middle part is equipped with the first portion of bending and the second portion of bending to automobile body inside in proper order, the second portion of bending with the stair structure overlap joint.
4. The automobile back door outer panel structure according to claim 1 or 2, wherein: the lower end of the side portion of the upper plate is provided with a third bending portion which is bent towards the inside of the vehicle body, the upper end of the lower plate is provided with a fourth bending portion which is bent towards the inside of the vehicle body, and the fourth bending portion is respectively in lap joint with the lower end of the connecting plate and the third bending portion.
5. The automobile back door outer panel structure according to claim 1, wherein: the length of the step structure is larger than 8 mm.
6. The automobile back door outer panel structure according to claim 3, wherein: the length of the second bending part is more than 8 mm.
7. The automobile back door outer panel structure according to claim 4, wherein: the length of the fourth bending part is more than 8 mm.
8. The automobile back door outer panel structure according to claim 1 or 2, characterized in that: the connecting plate is provided with at least one mounting hole and at least one mounting platform.
9. A vehicle body rear structure characterized in that: comprising a back door outer panel structure for a vehicle as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123203458.1U CN216580062U (en) | 2021-12-17 | 2021-12-17 | Automobile back door outer plate structure and automobile body rear structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123203458.1U CN216580062U (en) | 2021-12-17 | 2021-12-17 | Automobile back door outer plate structure and automobile body rear structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216580062U true CN216580062U (en) | 2022-05-24 |
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ID=81615907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123203458.1U Active CN216580062U (en) | 2021-12-17 | 2021-12-17 | Automobile back door outer plate structure and automobile body rear structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216580062U (en) |
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2021
- 2021-12-17 CN CN202123203458.1U patent/CN216580062U/en active Active
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