CN209870061U - Automobile back door structure - Google Patents
Automobile back door structure Download PDFInfo
- Publication number
- CN209870061U CN209870061U CN201920287696.9U CN201920287696U CN209870061U CN 209870061 U CN209870061 U CN 209870061U CN 201920287696 U CN201920287696 U CN 201920287696U CN 209870061 U CN209870061 U CN 209870061U
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- Prior art keywords
- hinge
- back door
- reinforcing plate
- door structure
- lid
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Abstract
The utility model relates to a car back door structure, including top cap planking, D post inner panel and lid, through hinged joint between top cap planking and the lid, be provided with interconnect's enhancement narrow muscle and hinge reinforcing plate between top cap planking and the lid, be provided with concave part down on the hinge reinforcing plate, strengthen narrow muscle and be connected with concave part down, form inclosed bearing capacity chamber. The utility model provides a prior art in the use, because back crossbeam upper plate and D post reinforcing plate width equal, all extend to top cap planking curb plate position, cause whole car mass to increase, D post reinforcing plate shaping difficulty, the problem that the welding degree of difficulty increases, and the not enough problem of back hinge mounting point intensity appears easily, an automobile back door structure is provided, the structure and the installation relation of hinge reinforcing plate have been optimized, the width of strengthening the narrow muscle has been reduced greatly, the whole quality of automobile and the manufacturing degree of difficulty have been alleviateed greatly.
Description
Technical Field
The utility model relates to the technical field of automobiles, especially, relate to a car back door structure.
Background
With the rapid development of the automobile industry in China, the requirements of people on the shape and the function of an automobile are continuously improved, and the performance of a back door of the automobile is influenced by the structure of the back door. For example, chinese publication No. CN202294193U, published as 7/4/2012, entitled automotive back door, discloses an automotive back door having a door panel assembly mounted to a body pillar via at least one hinge assembly. The utility model discloses a car back door adopts the mode of side opening the door to install the door plant assembly on the automobile body back post for the closure of back door is more comfortable, and the gap is little, and the cooperation is inseparabler, and realizes 180 switching space easily, and the space is more unblocked. In addition, as shown in fig. 2, in an automobile back door structure, a top cover outer plate 2 and a D column inner plate 5 are connected through a rear cross beam upper plate 3 and a D column reinforcing plate 4, the widths of the rear cross beam upper plate 3 and the D column reinforcing plate 4 are equal and both extend to the side position of the top cover outer plate 2, the cross sections of the rear cross beam upper plate 3 and the D column reinforcing plate 4 are in an upward convex arc shape, and the top cover outer plate 2 is connected with a cover body 7 through a common hinge 6. And in the use, the not enough problem of back door hinge mounting point intensity appears easily, in addition, because back crossbeam upper plate 3 and 4 width of D post reinforcing plate are equal, all extend to 2 curb plates positions of top cap planking, cause whole car mass to increase, D post reinforcing plate shaping difficulty, the welding degree of difficulty increases, and then leads to the whole quality and the decline of quality of car.
Disclosure of Invention
The utility model provides a prior art in the use, because back crossbeam upper plate and D post reinforcing plate width equal, all extend to top cap planking curb plate position, cause whole car mass to increase, D post reinforcing plate shaping difficulty, the problem that the welding degree of difficulty increases, and the not enough problem of back hinge mounting point intensity appears easily, an automobile back door structure is provided, the structure and the installation relation of hinge reinforcing plate have been optimized, the width of strengthening the narrow muscle has been reduced greatly, the whole quality of automobile and the manufacturing degree of difficulty have been alleviateed greatly.
The utility model discloses a concrete technical scheme does:
the utility model provides a car back door structure, includes top cap planking, D post inner panel and lid, through hinged joint between top cap planking and the lid, is provided with interconnect's enhancement narrow muscle and hinge reinforcing plate between top cap planking and the lid, is provided with concave part down on the hinge reinforcing plate, strengthens narrow muscle and is connected with concave part down, forms inclosed bearing capacity chamber. The hinge mainly used couples together top cap planking and lid, and the hinge reinforcing plate couples together top cap planking and lid with strengthening narrow muscle mainly used, and can increase the intensity of hinge mounting point, is favorable to the support to lid and hinge, is provided with the concave part down on the hinge reinforcing plate, strengthens narrow muscle and is connected with the concave part down, forms sealed bearing chamber. The bearing cavity can effectively bear the downward pressing force, and the stress condition of the mounting point of the back door hinge is effectively improved. In the prior art, the widths of the upper plate of the rear cross beam and the D-column reinforcing plate are equal, and the widths of the upper plate of the rear cross beam and the D-column reinforcing plate are both extended to the position of the side plate of the outer plate of the top cover, so that the quality of the whole automobile can be greatly reduced; and the problem of insufficient strength of the mounting point of the back door hinge is favorably solved.
As a preferable scheme of the scheme, the width of the reinforcing narrow rib is 1:10.8 ~ 16.5.5 compared with the width between the hinge reinforcing plates, the weight is effectively reduced, and the connection between the reinforcing narrow rib and the hinge reinforcing plates is facilitated.
As a preferable mode of the above, the reinforcing narrow ribs have an upward convex shape. Go up the convex and be favorable to the load, improve the atress condition of strengthening the narrow muscle, and arrange relatively with lower arch, form a bearing chamber similar to circular shape, be favorable to improving the not enough problem of back door hinge mounting point intensity.
As a preferable scheme of the above scheme, the hinge comprises a connecting shaft, a hinge seat fixedly connected with the outer plate of the top cover, and a hinge body fixedly connected with the cover body, and the hinge seat and the hinge body are connected through the connecting shaft. The hinge seat is arranged on the top cover outer plate, the hinge body is arranged on the cover body, and the connecting shaft is mainly used for connecting the hinge seat and the hinge body.
As a preferable mode of the above, the number of hinges between the roof outer panel and the lid body is 2. The number of the hinges between the top cover outer plate and the cover body is 2, so that the bearing is facilitated, and the balance and stability are maintained.
In a preferred embodiment of the present invention, the lid body, the hinge, and the lid body outer panel are provided in this order from top to bottom at a joint of the hinge, the lid body outer panel, and the lid body. The reliability of installation is guaranteed.
As a preferable mode of the above, the reinforcing narrow rib and the hinge reinforcing plate both extend to a position right below the hinge. Strengthen narrow muscle and hinge reinforcing plate and all extend to under the hinge, make and strengthen narrow muscle and hinge reinforcing plate and can bear the power of back door hinge mounting point, effectively reduce the production of the not enough problem of back door hinge mounting point intensity.
As an optimal scheme of the scheme, the top cover outer plate, the reinforcing narrow ribs, the hinge reinforcing plate and the D column inner plate are fixed through welding. All realize fixedly through the welding between top cap planking, the narrow muscle of enhancement, hinge reinforcing plate and the D post inner panel, welding operation is convenient, connects reliably.
The utility model has the advantages that:
1. the utility model discloses a hinge mainly used is connected top cap planking and lid, and the hinge reinforcing plate is connected top cap planking and lid with strengthening narrow muscle mainly used, and can increase hinge mounting point's intensity, is favorable to the support to lid and hinge, is provided with concave part down on the hinge reinforcing plate, strengthens narrow muscle and is connected with concave part down, forms sealed bearing capacity chamber. The bearing cavity can effectively bear the downward pressing force, and the stress condition of the mounting point of the back door hinge is effectively improved. In the prior art, the widths of the upper plate of the rear cross beam and the D-column reinforcing plate are equal, and the widths of the upper plate of the rear cross beam and the D-column reinforcing plate are both extended to the position of the side plate of the outer plate of the top cover, so that the quality of the whole automobile can be greatly reduced; and the problem of insufficient strength of the mounting point of the back door hinge is favorably solved.
2. The utility model has the advantages that the strengthening narrow ribs and the lower concave part form a closed bearing cavity, the bearing cavity can effectively improve the bearing condition of the automobile back door structure, and the bearing strength of the automobile body is improved;
3. the utility model discloses can reduce original thickness for 1.2 mm's back crossbeam upper plate to the hinge reinforcing plate that the back degree is 0.8, the width of original D post reinforcing plate is greater than the width of strengthening the narrow muscle far away in addition, has increased hinge mount structure's intensity, the weight of whole car that has significantly reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of a prior art structure of the present invention;
fig. 3 is a schematic view of the hinge mounting structure of the present invention;
fig. 4 is a perspective view of the hinge of the present invention;
fig. 5 is a partially enlarged view of a portion a of fig. 3 according to the present invention.
In the figure: 1. the automobile body, 2, the top cover outer plate, 3, the rear cross beam upper plate, 4, the D column reinforcing plate, 5, the D column inner plate, 6, the common hinge, 7, the cover body, 8, the reinforcing narrow rib, 9, the hinge reinforcing plate, 10, the hinge, 11, the hinge seat, 12, the hinge body, 13, the connecting shaft, 14 and the lower concave part.
Detailed Description
The invention will be further described with reference to specific embodiments and with reference to the accompanying drawings.
Example 1:
as shown in figures 1, 3, 4 and 5, the automobile back door structure comprises an automobile body 1 and a cover body 7, wherein the automobile body 1 comprises a top cover outer plate 2, a D-column inner plate 5, a reinforcing narrow rib 8 and a hinge reinforcing plate 9, the top cover outer plate 2 is connected with the cover body 7 through a hinge 10, the reinforcing narrow rib 8 and the hinge reinforcing plate 9 are sequentially arranged between the top cover outer plate 2 and the D-column inner plate 5 from top to bottom, the top cover outer plate 2 is fixed with the reinforcing narrow rib 8 through welding, the hinge reinforcing plate 9 is fixed with the reinforcing narrow rib 8 through welding, the D-column inner plate 5 is attached with the hinge reinforcing plate 9, the end part of the D-column inner plate is fixed through welding, a lower concave part 14 is arranged on the hinge reinforcing plate 9, the reinforcing narrow rib 8 is connected with the lower concave part 14, a closed bearing cavity is formed, the reinforcing narrow rib 8 is in an upper convex shape, the width of the reinforcing narrow rib 8 is 1:10. 10.8 ~ 16.5.5, the width of the reinforcing narrow rib 8 is 1: 10.10: 10.5, the width of the reinforcing narrow rib 8 is slightly thicker than the hinge reinforcing plate 10, the hinge seat reinforcing plate is connected with the hinge 7, the hinge 7 is connected with the hinge reinforcing plate 10, the hinge base plate, the hinge base is connected with the hinge base, the hinge base.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and equivalent transformation of doing above embodiment the utility model discloses technical scheme's protection scope.
Claims (8)
1. The utility model provides a car back door structure, includes top cap planking, D post inner panel and lid, its characterized in that, through hinged joint between top cap planking and the lid, be provided with interconnect's enhancement narrow muscle and hinge reinforcing plate between top cap planking and the lid, be provided with concave part down on the hinge reinforcing plate, strengthen narrow muscle and be connected with concave part down, form inclosed bearing capacity chamber.
2. The back door structure for automobiles of claim 1, wherein the width of the reinforcing narrow ribs is 1:10.8 ~ 16.5.5 compared to the width between the hinge reinforcing plates.
3. The back door structure for vehicles as claimed in claim 1, wherein the reinforcing narrow ribs are convex upward.
4. The back door structure of car according to claim 1, 2 or 3, wherein the hinge comprises a connecting shaft, a hinge seat fixedly connected with the outer panel of the top cover and a hinge body fixedly connected with the cover body, and the hinge seat and the hinge body are connected through the connecting shaft.
5. The back door structure of car according to claim 4, wherein the number of hinges between the roof outer panel and the cover body is 2.
6. The back door structure of car according to claim 1, 2 or 3, wherein the lid body, the hinge and the lid body outer panel are provided in this order from top to bottom at the junction of the hinge with the lid body outer panel.
7. The back door structure for vehicles as claimed in claim 6, wherein the reinforcing narrow rib and the hinge reinforcing plate extend to a position right under the hinge.
8. The automobile back door structure as claimed in claim 1, 2 or 3, wherein the outer roof panel, the reinforcing narrow ribs, the hinge reinforcing plate and the inner D-pillar panel are fixed by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920287696.9U CN209870061U (en) | 2019-03-07 | 2019-03-07 | Automobile back door structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920287696.9U CN209870061U (en) | 2019-03-07 | 2019-03-07 | Automobile back door structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209870061U true CN209870061U (en) | 2019-12-31 |
Family
ID=68954246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920287696.9U Active CN209870061U (en) | 2019-03-07 | 2019-03-07 | Automobile back door structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209870061U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114475797A (en) * | 2022-03-11 | 2022-05-13 | 张家港长城汽车研发有限公司 | Back door hinge mounting structure and car |
| CN114607222A (en) * | 2022-03-30 | 2022-06-10 | 浙江吉利控股集团有限公司 | Hinge mounting structure of vehicle side tail-gate and vehicle |
-
2019
- 2019-03-07 CN CN201920287696.9U patent/CN209870061U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114475797A (en) * | 2022-03-11 | 2022-05-13 | 张家港长城汽车研发有限公司 | Back door hinge mounting structure and car |
| CN114475797B (en) * | 2022-03-11 | 2023-03-31 | 张家港长城汽车研发有限公司 | Back door hinge mounting structure and car |
| CN114607222A (en) * | 2022-03-30 | 2022-06-10 | 浙江吉利控股集团有限公司 | Hinge mounting structure of vehicle side tail-gate and vehicle |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Zero run Technology Co.,Ltd. Address before: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG LEAPMOTOR TECHNOLOGY Co.,Ltd. |