CN112158057A - Automobile tail door structure - Google Patents
Automobile tail door structure Download PDFInfo
- Publication number
- CN112158057A CN112158057A CN202011058362.8A CN202011058362A CN112158057A CN 112158057 A CN112158057 A CN 112158057A CN 202011058362 A CN202011058362 A CN 202011058362A CN 112158057 A CN112158057 A CN 112158057A
- Authority
- CN
- China
- Prior art keywords
- tail door
- plate
- tail
- outer plate
- flanging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 38
- 239000003292 glue Substances 0.000 claims abstract description 27
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 230000002787 reinforcement Effects 0.000 description 33
- 238000003466 welding Methods 0.000 description 7
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/10—Doors arranged at the vehicle rear
- B60J5/101—Doors arranged at the vehicle rear for non-load transporting vehicles, i.e. family cars including vans
- B60J5/107—Doors arranged at the vehicle rear for non-load transporting vehicles, i.e. family cars including vans constructional details, e.g. about door frame, panels, materials used, reinforcements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to an automobile tail door structure which comprises a tail door inner plate, a tail door window frame reinforcing beam, a tail door outer plate and a tail door middle reinforcing piece, wherein the tail door window frame reinforcing beam is connected between the tail door inner plate and the tail door outer plate, the tail door middle reinforcing piece is positioned between the tail door inner plate and the tail door outer plate, the tail door middle reinforcing piece comprises a connecting plate overlapped on the tail door inner plate and two side plates respectively connected to the left side and the right side of the connecting plate, first flanges are arranged on the rear edges of the two side plates, the first flanges and the tail door outer plate are connected through expansion glue, the upper edge of the connecting plate is connected with an upper overlapping flange, and the upper overlapping flange, the tail door window frame reinforcing beam and the tail door outer plate are overlapped and overlapped together. The invention has the advantages of reducing or even eliminating vehicle drumming at the tail gate, improving the torsion mode of the tail gate of the vehicle and improving the quality of the whole vehicle.
Description
Technical Field
The invention relates to an automobile, in particular to an automobile tail door structure.
Background
The utility model discloses a tail-gate basic structure who discloses is CN201920107070.5, the name at application number for a car tail-gate and car tail-gate subassembly is used for most SUV motorcycle types, and wherein tail-gate planking, tail-gate inner panel do not connect the reinforcement in the license plate region, and in the actual driving process will have to be connected by the tail-gate middle part under certain operating mode and strengthen the not enough vehicle that arouses and beat the drum sound, influence the comfort level of driving.
Disclosure of Invention
The object of the present invention is to propose a tailgate structure for a motor vehicle, which alleviates or eliminates the above-mentioned technical problems.
The invention relates to an automobile tail door structure which comprises a tail door inner plate, a tail door window frame reinforcing beam, a tail door outer plate and a tail door middle reinforcing piece, wherein the tail door window frame reinforcing beam is connected between the tail door inner plate and the tail door outer plate, the tail door middle reinforcing piece is positioned between the tail door inner plate and the tail door outer plate, the tail door middle reinforcing piece comprises a connecting plate overlapped on the tail door inner plate and two side plates respectively connected to the left side and the right side of the connecting plate, first flanges are arranged on the rear edges of the two side plates, the first flanges and the tail door outer plate are connected through expansion glue, the upper edge of the connecting plate is connected with an upper overlapping flange, and the upper overlapping flange, the tail door window frame reinforcing beam and the tail door outer plate are overlapped and overlapped together.
Furthermore, the lower edge of the connecting plate is connected with supporting legs extending towards the outer plate of the tail door, and the end parts of the supporting legs are lapped on the outer plate of the tail door.
And the lower part of the middle reinforcing part of the tail door is connected with the tail door lock reinforcing plate.
Furthermore, the tail door middle reinforcing part, the tail door lock reinforcing plate and the tail door outer plate are enclosed to form a box-packed structure.
Furthermore, the left side and the right side of the connecting plate are respectively connected to the upper parts of the two side plates, the lower parts of the two side plates are respectively provided with a lower lap joint flange, and the tail door lock reinforcing plate, the lower lap joint flange and the tail door inner plate are overlapped and lapped together.
Further, the lower lap joint flanging is arranged on the front edge of the lower portion of the side plate.
Furthermore, the tail door lock reinforcing plate comprises a bottom plate and a vertical plate extending upwards from the front edge of the bottom plate, the vertical plate, the lower lap joint flanges and the tail door inner plate are overlapped and lapped together, second flanges are arranged on the left side and the right side of the bottom plate, and the two second flanges are respectively lapped on the two side plates.
Furthermore, a connecting beam is connected between the middle parts of the two side plates, and the connecting beam is superposed and lapped on the inner plate of the tail door.
Furthermore, a first glue coating groove is formed in the lower portion of the first flanging, and expansion glue connected with the outer plate of the tail door is arranged in the first glue coating groove.
Furthermore, a connecting support lug is arranged in the middle of the first flanging, a second glue coating groove is formed in the connecting support lug, and expansion glue connected with the outer plate of the tail door is arranged in the second glue coating groove.
The invention has the advantages of reducing or even eliminating vehicle drumming at the tail gate, improving the torsion mode of the tail gate of the vehicle and improving the quality of the whole vehicle.
Drawings
FIG. 1 is a schematic structural view of a tailgate inner panel assembly;
FIG. 2 is a schematic view of a tail gate mid stiffener assembly;
FIG. 3 is a schematic view of a mid-tailgate reinforcement;
FIG. 4 is a schematic view showing the connection section positions of the middle reinforcement of the tailgate, the tailgate inner panel, the window frame reinforcement beam, and the tailgate outer panel (the tailgate outer panel is not shown);
FIG. 5 is a schematic sectional view taken along line A-A in FIG. 4;
FIG. 6 is a schematic cross-sectional view B-B of FIG. 4;
FIG. 7 is a schematic cross-sectional view taken along line C-C of FIG. 4;
FIG. 8 is a schematic cross-sectional view taken along line D-D of FIG. 4;
FIG. 9 is a schematic cross-sectional view E-E of FIG. 4;
fig. 10 is a schematic sectional view taken along line G-G in fig. 4.
In the figure: 1-tail gate inner panel; 2-tail gate middle reinforcement assembly; 3-tail door window frame reinforcement; 4-tail gate hinge reinforcement; 5-tail door and window frame stiffening beam; 6-tail gate middle reinforcement; 7-tail gate lock reinforcement; 8, connecting plates; 9-side plate; 10-first flanging; 11-a first glue spreading tank; 12-connecting a lug; 13-second glue coating groove; 14-supporting feet; 15-lapping and flanging; 16-lower lap-joint flanging; 17-connecting the beam; 18-sinking the platform; 19-exhaust hole; 20-lightening holes; 21-outer plate of tail door; 22-expansion glue; 23-a base plate; 24, standing a plate; 25-second flanging.
Detailed Description
The invention will be further explained with reference to the drawings.
The automobile tail door structure comprises a tail door inner plate 1, a tail door window frame reinforcing beam 5, a tail door outer plate 21 and a tail door middle reinforcing part 6, wherein the tail door window frame reinforcing beam 5 is connected between the tail door inner plate 1 and the tail door outer plate 21, the tail door middle reinforcing part 6 is located between the tail door inner plate 1 and the tail door outer plate 21, the tail door middle reinforcing part 6 comprises a connecting plate 8 overlapped on the tail door inner plate 1 and two side plates 9 respectively connected to the left side and the right side of the connecting plate 8, first flanges 10 are arranged on the rear edges of the two side plates 9, the first flanges 10 are connected with the tail door outer plate 21 through expansion glue 22, the upper edge of the connecting plate 8 is connected with an upper overlapping flange 15, the tail door window frame reinforcing beam 5 and the tail door outer plate 21 are overlapped and overlapped together, and a three-layer spot welding connecting structure is formed.
In the present embodiment, the lower edge of the connecting plate 8 is connected to a support leg 14 extending toward the tailgate outer panel 21, the end of the support leg 14 is overlapped on the tailgate outer panel 21, and the end of the support leg 14 is provided with a burring portion overlapped on the tailgate outer panel 21. Furthermore, the end parts of the supporting legs 14 are welded at the license plate of the tail door outer plate 21 to form two layers of spot welding connection, so that the rigidity of the license plate of the tail door is improved.
In this embodiment, still including the overlap joint tail-gate lock reinforcement 7 on tail-gate inner panel 1, the lower part of tail-gate middle part reinforcement 6 links to each other with tail-gate lock reinforcement 7, utilizes tail-gate lock reinforcement 7 further to promote structural strength, and during production, can weld tail-gate middle part reinforcement assembly 2 with tail-gate middle part reinforcement 6 with tail-gate lock reinforcement 7 earlier, further promotes and strengthens the effect, the assembly of still being convenient for.
In the embodiment, the tail door middle reinforcement 6, the tail door lock reinforcement 7 and the tail door outer panel 21 are enclosed into a box-shaped structure, and the box-shaped structure can provide better strength.
In this embodiment, the left and right sides of the connecting plate 8 are respectively connected to the upper portions of the two side plates 9, the lower portions of the two side plates 9 are respectively provided with a lower lap joint flange 16, and the tail door lock reinforcement 7, the lower lap joint flange 16 and the tail door inner plate 1 are overlapped and lapped together to form a three-layer spot welding connecting structure.
In this embodiment, the lower lap cuff 16 is provided at the front edge of the lower portion of the side panel 9.
In this embodiment, the tailgate lock reinforcement 7 includes a bottom plate 23 and a vertical plate 24 extending upward from the front edge of the bottom plate 23, the vertical plate 24, the lower overlap flange 16, and the tailgate inner panel 1 are stacked and overlapped together, second flanges 25 are provided on both left and right sides of the bottom plate 23, and the two second flanges 25 are respectively overlapped on the two side panels 9. Further, a third flanging which is turned downwards is arranged on the rear edge of the bottom plate 23, and the tail door inner plate 1, the third flanging and the tail door outer plate 21 are overlapped and lapped together to form a three-layer spot welding connection structure. Tail-gate middle part reinforcement 6 is connected with tail-gate lock reinforcement 7 and is formed box structure, can further guarantee the intensity that promotes the structure, through three-layer spot welding connection structure, can guarantee that box structure connects firmly, can further promote structural strength.
In this embodiment, a connecting beam 17 is connected between the middle parts of the two side plates 9, and the connecting beam 17 is overlapped and lapped on the tail door inner plate 1, so that two layers of spot welding links are formed with the tail door inner plate 1 while the strength of a single piece of the tail door middle reinforcing part 6 is improved and the deformation risk of the single piece is reduced.
In this embodiment, a first glue groove 11 is arranged at the lower part of the first flange 10, an expansion glue 22 connected with the outer panel 21 of the tailgate is arranged in the first glue groove 11, and the first flange 10 and the outer panel 21 of the tailgate are connected through the expansion glue 22 to increase a rigid connection point.
In this embodiment, the middle of the first flange 10 is provided with a connecting lug 12, the connecting lug 12 is provided with a second glue coating groove 13, the second glue coating groove 13 is provided with an expansion glue 22 connected with the outer plate 21 of the tailgate, the connecting lug 12 and the outer plate 21 of the tailgate are connected through the expansion glue 22, and a rigid connection point is increased.
In this embodiment, the reinforcement 6 in the middle of the tailgate is provided with 4 special-shaped lightening holes to reduce the weight of the single piece and the assembly, and the 4 special-shaped lightening holes are respectively arranged on the two side plates 9 and the two connecting lugs 12.
In this embodiment, the connecting plate 8 is provided with a plurality of forward-sinking sinkers 18, and the sinkers 18 are welded with the inner panel of the tail gate, so that the rigidity of a single piece can be improved. Still be equipped with a plurality of lightening holes 20 on the connecting plate 8, form the hydrops when preventing the coating after the welding, improve anticorrosive.
In the present embodiment, in order to further improve the strength, a tailgate window frame reinforcement 3 and a tailgate hinge reinforcement 4 are further connected between the tailgate inner panel 1 and the tailgate outer panel 21, the tailgate window frame reinforcement 3 is provided on the left and right sides of the tailgate window frame, and the tailgate window frame reinforcement beam 5 is provided on the lower side of the tailgate window frame reinforcement 3.
In the present embodiment, the tail door outer panel 21, the tail door inner panel 1, the tail door middle reinforcement 6, the tail door lock reinforcement 7, the tail door sash reinforcement beam 5, the tail door sash reinforcement 3, and the tail door hinge reinforcement 4 are all stamping parts.
By adopting the technical scheme, the tail door middle reinforcing plate assembly 2, the tail door inner plate 1, the tail door outer plate 21 and the tail door window frame reinforcing beam 5 form a rigid structure with compact structure and firm connection, so that a large-area hollowing area is prevented from being formed at the license plate in the middle of the tail door, and abnormal sounds such as drumming sounds are further avoided.
Claims (10)
1. The utility model provides an automobile tail-gate structure which characterized in that: the tail door window frame reinforcing beam is connected between the tail door inner plate and the tail door outer plate, the tail door window frame reinforcing beam is located between the tail door inner plate and the tail door outer plate, the tail door middle reinforcing member comprises a connecting plate which is in lap joint with the tail door inner plate and two side plates which are respectively connected with the left side and the right side of the connecting plate, a first flanging is arranged on the rear edge of each side plate, the first flanging is connected with the tail door outer plate through expansion glue, the upper edge of the connecting plate is connected with an upper lap joint flanging, and the upper lap joint flanging, the tail door window frame reinforcing beam and the tail door outer plate are overlapped and lapped together.
2. The automobile tailgate structure, according to claim 1, wherein: the lower edge of the connecting plate is connected with supporting legs extending towards the outer plate of the tail door, and the end parts of the supporting legs are lapped on the outer plate of the tail door.
3. The automobile tailgate structure, according to claim 1, wherein: the tail door lock reinforcing plate is connected to the inner plate of the tail door in a lap joint mode, and the lower portion of the reinforcing piece in the middle of the tail door is connected with the tail door lock reinforcing plate.
4. The automobile tailgate structure according to claim 3, characterized in that: the tail door middle reinforcing part, the tail door lock reinforcing plate and the tail door outer plate are enclosed to form a box-packed structure.
5. The automobile tailgate structure according to claim 3, characterized in that: the left side and the right side of the connecting plate are respectively connected to the upper parts of the two side plates, the lower parts of the two side plates are respectively provided with a lower lap joint flange, and the tail door lock reinforcing plate, the lower lap joint flanges and the tail door inner plate are overlapped and lapped together.
6. The automobile tailgate structure according to claim 5, characterized in that: the lower lap joint flanging is arranged on the front edge of the lower part of the side plate.
7. The automobile tailgate structure according to claim 6, characterized in that: the tail door lock reinforcing plate comprises a bottom plate and a vertical plate extending upwards from the front edge of the bottom plate, the vertical plate, the lower lap joint flanges and the tail door inner plate are overlapped and lapped together, second flanges are arranged on the left side and the right side of the bottom plate, and the two second flanges are respectively lapped on the two side plates.
8. The automobile tailgate structure according to claim 5, characterized in that: and a connecting beam is connected between the middle parts of the two side plates, and the connecting beam is superposed and lapped on the inner plate of the tail door.
9. The automobile tailgate structure, according to claim 1, wherein: the lower part of the first flanging is provided with a first glue coating groove, and expansion glue connected with the outer plate of the tail door is arranged in the first glue coating groove.
10. The automobile tailgate structure, according to claim 1, wherein: the middle part of the first flanging is provided with a connecting support lug, the connecting support lug is provided with a second glue coating groove, and the second glue coating groove is internally provided with expansion glue connected with the outer plate of the tail door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011058362.8A CN112158057A (en) | 2020-09-30 | 2020-09-30 | Automobile tail door structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011058362.8A CN112158057A (en) | 2020-09-30 | 2020-09-30 | Automobile tail door structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112158057A true CN112158057A (en) | 2021-01-01 |
Family
ID=73861700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011058362.8A Pending CN112158057A (en) | 2020-09-30 | 2020-09-30 | Automobile tail door structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112158057A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114274747A (en) * | 2021-11-23 | 2022-04-05 | 江铃汽车股份有限公司 | Tail door additional strengthening, car tail-gate and car |
| CN114643841A (en) * | 2022-03-30 | 2022-06-21 | 重庆长安新能源汽车科技有限公司 | Hatchback door welding assembly and vehicle |
| CN115419332A (en) * | 2022-08-30 | 2022-12-02 | 重庆长安汽车股份有限公司 | Self-adaptive noise-reduction back door lock and drumming active control system and method and vehicle |
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| CN110748247A (en) * | 2019-10-29 | 2020-02-04 | 重庆长安汽车股份有限公司 | Multi-functional back of body lock reinforcement, back of body door and car |
| CN110901352A (en) * | 2019-12-20 | 2020-03-24 | 东风汽车有限公司 | Resin back door inner plate |
| JP2020050312A (en) * | 2018-09-28 | 2020-04-02 | マツダ株式会社 | Vehicle back door structure |
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- 2020-09-30 CN CN202011058362.8A patent/CN112158057A/en active Pending
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114274747A (en) * | 2021-11-23 | 2022-04-05 | 江铃汽车股份有限公司 | Tail door additional strengthening, car tail-gate and car |
| CN114274747B (en) * | 2021-11-23 | 2024-02-02 | 江铃汽车股份有限公司 | Tail gate additional strengthening, car tail gate and car |
| CN114643841A (en) * | 2022-03-30 | 2022-06-21 | 重庆长安新能源汽车科技有限公司 | Hatchback door welding assembly and vehicle |
| CN115419332A (en) * | 2022-08-30 | 2022-12-02 | 重庆长安汽车股份有限公司 | Self-adaptive noise-reduction back door lock and drumming active control system and method and vehicle |
| CN115419332B (en) * | 2022-08-30 | 2023-06-16 | 重庆长安汽车股份有限公司 | Self-adaptive noise reduction back door lock, active control system and method for knocking sound and vehicle |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210101 |