CN214776169U - Thermal forming door ring, side wall plate assembly and automobile - Google Patents
Thermal forming door ring, side wall plate assembly and automobile Download PDFInfo
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- CN214776169U CN214776169U CN202023098070.5U CN202023098070U CN214776169U CN 214776169 U CN214776169 U CN 214776169U CN 202023098070 U CN202023098070 U CN 202023098070U CN 214776169 U CN214776169 U CN 214776169U
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- door ring
- reinforcement
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- thermoformed
- door
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- 230000002787 reinforcement Effects 0.000 claims abstract description 58
- 230000007704 transition Effects 0.000 claims abstract description 22
- 230000003014 reinforcing effect Effects 0.000 claims description 28
- 238000003466 welding Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 210000003195 fascia Anatomy 0.000 claims 1
- 238000003856 thermoforming Methods 0.000 abstract description 12
- 230000009545 invasion Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000037396 body weight Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007142 ring opening reaction Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000013000 roll bending Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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- Body Structure For Vehicles (AREA)
Abstract
The utility model discloses a thermoforming knocker, side wall board assembly and car, wherein the thermoforming knocker includes: the B-pillar reinforcement plate is arranged along the longitudinal direction, the threshold reinforcement plate is arranged along the transverse direction, and a transverse accommodating cavity is formed in a connecting transition area of the threshold reinforcement plate and the B-pillar reinforcement plate; door ring reinforcement set up in the horizontal holding cavity and with connect transition region welded fastening, the utility model discloses can eliminate side wall thermoforming door ring cross-section and structural discontinuity, promote local intensity and rigidity, threshold deformation and the too big risk of door invasion volume when avoidng the side collision.
Description
Technical Field
The utility model relates to an automobile manufacturing field, more specifically relates to a thermoforming gate ring, side wall board assembly and car.
Background
In order to improve the light weight level of a car body, a side wall thermal forming door ring technology integrating laser tailor welding and thermal forming is applied in the automobile industry, the side wall thermal forming door ring is composed of an A column reinforcing plate, an upper edge beam, a B column reinforcing plate and a threshold reinforcing plate, the four parts are connected together through laser tailor welding seams, and then the hot stamping technology is used for integrated forming, so that 10% -15% of weight reduction can be realized. On the other hand, the automobile industry and customers have also paid increasing attention to vehicle safety, wherein side impact has higher requirements on the strength and rigidity of the side wall front structure.
The lap joint of the B-pillar reinforcing plate and the threshold reinforcing plate of the traditional side wall hot-forming door ring is lack of a flange surface at the upper part of the threshold and a side wall at the upper part of the threshold, so that the section is incomplete, the structure of the threshold is discontinuous in the area, and the strength and the rigidity are weak; when the vehicle door is in response to severe side collision, the threshold is seriously deformed, the invasion amount of the vehicle door is too large, and the safety of passengers cannot be guaranteed.
Therefore, a new side wall thermoforming door ring is expected, which can eliminate the discontinuity of the section and the structure of the side wall thermoforming door ring, improve the local strength and rigidity, and avoid the risks of threshold deformation and excessive door intrusion amount during side collision.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a thermoforming knocker, side wall board assembly and car can eliminate side wall thermoforming knocker cross-section and structural discontinuity, promotes local intensity and rigidity, and the threshold warp when avoiing side impact and the too big risk of door invasion volume.
In order to achieve the above object, the present invention provides a thermal forming door ring, including:
the B-pillar reinforcement plate is arranged along the longitudinal direction, the threshold reinforcement plate is arranged along the transverse direction, and a transverse accommodating cavity is formed in a connecting transition area of the threshold reinforcement plate and the B-pillar reinforcement plate;
and the door ring reinforcing piece is arranged in the transverse accommodating cavity and is welded and fixed with the connecting transition area.
In an alternative scheme, the door ring reinforcing piece is long-strip-shaped, and the length of the door ring reinforcing piece is larger than that of the transverse accommodating cavity and is smaller than or equal to the width of the connecting transition area.
In an alternative scheme, the door ring reinforcement is a reinforcing pipe structure, and two ends of the reinforcing pipe structure are respectively welded with the connecting transition areas on two sides of the transverse accommodating cavity.
In an alternative scheme, the middle of the reinforcing pipe structure is tubular, and the two ends of the reinforcing pipe structure are plate-shaped welding areas.
In an alternative scheme, the plate-shaped welding area is formed through a pressing process, and protruding structures which are not pressed are left on two sides of the plate-shaped welding area.
In an alternative, the material of the door ring reinforcement is metal.
In an alternative, the plate-shaped welding region is welded to the connection transition region by means of spot welding.
In an alternative scheme, the door ring reinforcing piece is formed by a roll bending forming process.
The utility model also provides a side wall board assembly, include: the inner plate, the planking and set up in the inner plate with the aforesaid thermoforming knocker between the planking, the internal surface of thermoforming knocker faces towards the inner plate.
The utility model also provides an automobile, including foretell sideboard assembly.
The beneficial effects of the utility model reside in that:
the door ring reinforcement is arranged at the junction of the B-pillar reinforcement plate and the door sill reinforcement plate, so that the discontinuity of the cross section and the structure of a side wall thermal forming door ring is eliminated, the local strength and rigidity are improved, and the risks of door sill deformation and excessive door intrusion during side collision are avoided.
The door ring reinforcing piece is manufactured by adopting a thermal forming process and welded in the transition area, the manufacturing technology is mature, and the structure is simple.
The door ring reinforcement is tubular, and material and thickness are set according to the needs of side collision, compromise and promote structural strength and alleviate automobile body weight.
The present invention has other features and advantages which will be apparent from or are set forth in detail in the accompanying drawings and the following detailed description, which are incorporated herein, and which together serve to explain certain principles of the invention.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings.
Fig. 1 shows a schematic view of a thermoformed door ring according to an embodiment of the present invention.
Fig. 2 shows a schematic structural view of a door ring reinforcement according to an embodiment of the present invention.
Fig. 3 shows a cross-section of fig. 2 in the direction C-C.
Fig. 4 shows a schematic view of the cross-section of the middle sill of the thermoformed door ring opening of fig. 1, including a section a-a and a section B-B.
Reference numerals
1-a thermoformed door ring, 101-a pillar reinforcement plate, 102-roof side rail, 103-B pillar reinforcement plate, 104-threshold reinforcement plate, 2-door ring reinforcement, 201-plate welding area, 202-transition area, 203-round area and 204-bulge structure.
Detailed Description
The present invention will be described in more detail below. While the present invention provides the preferred embodiments, it should be understood that the present invention can be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically coupled, may be directly coupled, or may be indirectly coupled through an intermediary. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An embodiment of the present invention provides a thermal forming door ring, please refer to fig. 1 to 4, and fig. 1 shows a schematic structural diagram of the thermal forming door ring of this embodiment. Fig. 2 shows a schematic structural view of the door ring reinforcement of the present embodiment. Fig. 3 shows a cross-section of fig. 2 in the direction C-C. Fig. 4 shows a schematic view of the cross-section of the middle sill of the thermoformed door ring opening of fig. 1, including a section a-a and a section B-B.
Referring to fig. 1 to 4, the thermoforming door ring of the present embodiment includes:
the reinforcing plate comprises a B-pillar reinforcing plate 103 arranged along the longitudinal direction and a threshold reinforcing plate 104 arranged transversely, wherein a connecting transition region (shown in a dotted line frame) of the threshold reinforcing plate 104 and the B-pillar reinforcing plate 103 is provided with a transverse accommodating cavity;
and the door ring reinforcing piece 2 is arranged in the transverse accommodating cavity and is welded and fixed with the connecting transition area.
Specifically, referring to fig. 1, in the present embodiment, the thermoformed door ring includes an a-pillar reinforcement plate 101, an upper side sill 102, a B-pillar reinforcement plate 103, and a threshold reinforcement plate 104, and the four parts are connected together by laser tailor-welded seams and are further integrally formed by a hot stamping process. A door ring reinforcement 2 is arranged in a transverse receiving cavity in the connecting transition area (indicated in the dashed box) of the sill reinforcement 104 and the B-pillar reinforcement 103. The door ring reinforcement 2 fills the gap that the lap joint of the door sill reinforcement plate 104 lacks the flange surface on the upper part of the door sill and the side wall on the upper part of the door sill, eliminates the discontinuity of the section and the structure of a thermal forming door ring, improves the local strength and rigidity, and avoids the risks of deformation of the door sill and overlarge intrusion amount of a vehicle door during side collision.
In this embodiment, the door ring reinforcement 2 is a strip shape, and the length of the door ring reinforcement is greater than the length of the transverse accommodating cavity and less than or equal to the width of the connecting transition region. That is, the main body of the door ring reinforcement 2 is located in the accommodation cavity, and both ends are welded to the end of the B-pillar reinforcement plate 103 or the wall surface of the rocker reinforcement plate 104. In other embodiments, the length of the door ring reinforcement 2 may also be smaller than the length of the receiving cavity. The length of the door ring reinforcement 2 is preferably such that the upper side walls of the sill reinforcement 104 at both ends of the transition zone are continuous. In an alternative, both ends of the door ring reinforcement 2 are welded to the connection transition region by means of spot welding. In other embodiments, other welding methods may be adopted for fixing and mounting.
Referring to fig. 2, 3 and 4, the door ring reinforcement 2 is a reinforcing pipe structure, the middle of the reinforcing pipe structure is tubular (including a circular pipe region 203 and a transition region 202), two ends of the door ring reinforcement 2 are plate-shaped welding regions 201, and the plate-shaped welding regions 201 are respectively welded with the connection transition regions at two sides of the transverse accommodating cavity. The material and thickness of the door ring reinforcement 2 are set according to the requirements of a side collision. In this embodiment, the material of the door ring reinforcement 2 is metal, such as steel or aluminum alloy, and the material of the B-pillar reinforcement plate 103 and the threshold reinforcement plate 104 is galvanized steel plate. The material and thickness of the door ring reinforcement 2 can be set according to the requirements of side collision, and the structural strength is improved and the weight of the vehicle body is reduced.
The door ring reinforcement 2 is formed by a special pressing process at two ends to form a plate-shaped welding area 201, the advantages of structural rigidity and strength are obvious, and non-pressed protruding structures 204 are left on two sides of the plate-shaped welding area 201. The raised structure 204 contributes to increasing the structural strength of the door ring reinforcement 2.
The utility model discloses a door ring reinforcement sets up in the juncture of B post reinforcing plate and threshold reinforcing plate, has eliminated side wall thermoforming door ring cross-section and structural discontinuity, has promoted local intensity and rigidity, and the threshold warp when avoidng the side collision and the too big risk of door invasion volume. The door ring reinforcing piece is manufactured by adopting a thermal forming process and welded in the transition area, the manufacturing technology is mature, and the structure is simple. The door ring reinforcement is tubular, and material and thickness are set according to the needs of side collision, compromise and promote structural strength and alleviate automobile body weight.
An embodiment of the utility model provides a side wall plate assembly, include: an inner panel, an outer panel, and a thermoformed door ring as in claim disposed between the inner panel and the outer panel, wherein an inner surface of the thermoformed door ring faces the inner panel. The edge of the outer plate is connected with the corresponding position of the inner plate in a spot welding mode, and the hot forming door ring is clamped in the hot forming door ring.
An embodiment of the utility model provides a car is still provided, including foretell sideboard assembly.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A thermoformed door ring, comprising:
the B-pillar reinforcement plate is arranged along the longitudinal direction, the threshold reinforcement plate is arranged along the transverse direction, and a transverse accommodating cavity is formed in a connecting transition area of the threshold reinforcement plate and the B-pillar reinforcement plate;
and the door ring reinforcing piece is arranged in the transverse accommodating cavity and is welded and fixed with the connecting transition area.
2. A thermoformed door ring as in claim 1 wherein said door ring reinforcement is elongated and has a length greater than the length of said transverse receiving cavity and less than or equal to the width of said connecting transition zone.
3. The thermoformed door ring according to any one of claims 1-2, wherein the door ring reinforcement is a reinforcing tube structure, and both ends of the reinforcing tube structure are welded to the connecting transition regions on both sides of the transverse receiving cavity.
4. A thermoformed door ring as in claim 3 wherein said reinforcement structure is tubular in the middle and has plate-like weld zones at both ends.
5. A thermoformed door ring as in claim 4 wherein said plate-like weld area is formed by a press-fit process leaving an unpressed raised structure on both sides of said plate-like weld area.
6. The thermoformed door ring according to claim 1, wherein the material of the door ring reinforcement is metal.
7. A thermoformed door ring as in claim 4 wherein said plate-like weld zone is welded to said joining transition zone by spot welding.
8. The thermoformed door ring according to claim 1, wherein said door ring reinforcement is formed using a roll-forming process.
9. A side panel assembly, comprising: an inner panel, an outer panel, and the thermoformed door ring of any one of claims 1-8 disposed between the inner panel and the outer panel, the inner surface of the thermoformed door ring facing the inner panel.
10. An automobile comprising the side fascia assembly of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023098070.5U CN214776169U (en) | 2020-12-21 | 2020-12-21 | Thermal forming door ring, side wall plate assembly and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023098070.5U CN214776169U (en) | 2020-12-21 | 2020-12-21 | Thermal forming door ring, side wall plate assembly and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214776169U true CN214776169U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023098070.5U Active CN214776169U (en) | 2020-12-21 | 2020-12-21 | Thermal forming door ring, side wall plate assembly and automobile |
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| Country | Link |
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| CN (1) | CN214776169U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115871424A (en) * | 2022-11-28 | 2023-03-31 | 东风商用车有限公司 | Door ring structure and door structure of commercial car |
| CN116279831A (en) * | 2023-04-14 | 2023-06-23 | 奇瑞汽车股份有限公司 | Thermoformed door rings, B-pillar reinforcement panels, side panel assemblies and vehicles |
| CN116534131A (en) * | 2023-06-20 | 2023-08-04 | 重庆长安汽车股份有限公司 | A stand column structure and vehicle |
-
2020
- 2020-12-21 CN CN202023098070.5U patent/CN214776169U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115871424A (en) * | 2022-11-28 | 2023-03-31 | 东风商用车有限公司 | Door ring structure and door structure of commercial car |
| CN116279831A (en) * | 2023-04-14 | 2023-06-23 | 奇瑞汽车股份有限公司 | Thermoformed door rings, B-pillar reinforcement panels, side panel assemblies and vehicles |
| CN116534131A (en) * | 2023-06-20 | 2023-08-04 | 重庆长安汽车股份有限公司 | A stand column structure and vehicle |
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