CN114274747B - Tail gate additional strengthening, car tail gate and car - Google Patents
Tail gate additional strengthening, car tail gate and car Download PDFInfo
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- CN114274747B CN114274747B CN202111394555.5A CN202111394555A CN114274747B CN 114274747 B CN114274747 B CN 114274747B CN 202111394555 A CN202111394555 A CN 202111394555A CN 114274747 B CN114274747 B CN 114274747B
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- 238000005728 strengthening Methods 0.000 title claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 16
- 230000002787 reinforcement Effects 0.000 claims description 23
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
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- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The invention discloses a tail door reinforcing structure, an automobile tail door and an automobile, and relates to the technical field of automobiles. The invention can solve the technical problems that the weight of the tail gate is greatly increased and the weight of the automobile is not beneficial to the realization of light weight of the automobile caused by the technical proposal adopted for reducing the noise of the tail gate in the prior art.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a tail gate reinforcing structure, an automobile tail gate and an automobile.
Background
In recent years, as the comfort requirements of customers on noise vibration of automobiles are higher and higher, the performance of main noise vibration sources is effectively improved, and the noise in the automobiles is greatly reduced.
The low-frequency bombing noise caused by the tail gate in the cab is always a difficult problem of influencing riding comfort, and the traditional sound absorption and insulation means have better control effect on the medium-frequency noise and the high-frequency noise, but have little control effect on the low-frequency noise. Although the sound pressure level of the low-frequency noise is not too high, the low-frequency noise can lead people to generate continuous heavy eardrum pressing feeling, and the driving feeling and physical and mental health of drivers and passengers are seriously affected. However, because the sheet metal area of the automobile tail gate is large, the mode frequency of the tail gate outer plate is low, the tail gate outer plate is easy to couple with the road surface excitation frequency, resonance bombing is caused, and a customer feels obvious ear pressure.
Under the prior art, aiming at the road noise problem caused by the tail gate, the schemes of increasing the thickness of sheet metal materials, increasing the welding brackets between the inner plate and the outer plate of the tail gate and the like are adopted, but the schemes can lead to the weight of the tail gate to be greatly increased, and are not beneficial to the realization of the light weight of the automobile.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a tail gate reinforcing structure, an automobile tail gate and an automobile, and aims to solve the technical problems that the weight of the tail gate is greatly increased and the weight of the automobile is not favorable for achieving the light weight of the automobile due to the technical scheme adopted for reducing the noise of the tail gate in the prior art.
The first aspect of the present invention provides a tail gate reinforcing structure, which comprises at least one structural carrier and an expansion body, wherein the structural carrier is arranged between a tail gate inner plate and a tail gate outer plate of a tail gate of an automobile, and is fixedly connected to at least one of the tail gate inner plate and the tail gate outer plate, and the expansion body is attached to the outer surface of the carrier and can expand under the high-temperature condition so as to be attached to or adhered to the inner sides of the tail gate inner plate and the tail gate outer plate.
Compared with the prior art, the automobile tail door has the beneficial effects that the tail door reinforcing structure is arranged in the tail door cavity between the tail door inner plate and the tail door outer plate, the structural carrier is fastened to the inner side surface of the tail door inner plate, and the expansion body is arranged on the surface of the structural carrier, so that the expansion body is bonded and adhered with the tail door inner plate and the tail door outer plate through the thermal expansion of the expansion body, the tail door inner plate and the tail door outer plate can be connected into a whole after the expansion body is cooled, the panel mode of the automobile tail door is improved, the vibration of the tail door is reduced, and the noise in the automobile is optimized, so that the driving comfort can be effectively improved.
According to one aspect of the above technical solution, in an initial state, a connecting piece for connecting the inner tail gate plate and/or the outer tail gate plate is fixedly provided at a position of the structural carrier, which is not covered by the expansion body.
According to an aspect of the above technical solution, the connecting piece includes a first connecting piece and a second connecting piece, and the structural carrier is connected to the inner tailgate panel through the first connecting piece and the second connecting piece.
According to an aspect of the above technical solution, fastening holes are respectively formed at two ends of the structural carrier, through holes are respectively formed in the first connecting piece and the second connecting piece, a fastening piece passes through the through holes of the first connecting piece and is connected into the through hole at one end of the structural carrier, and another fastening piece passes through the through hole of the second connecting piece and is connected into the through hole at the other end of the structural carrier.
According to an aspect of the above technical solution, the structural carrier is provided with a plurality of lightening holes.
According to an aspect of the above technical solution, in an initial state, the expansion body includes a first expansion portion and a second expansion portion, and the first expansion portion and the second expansion portion are respectively disposed on the surface of the structural carrier facing the inner tailgate panel and the outer tailgate panel.
According to an aspect of the above technical solution, a first positioning assembly is provided between the structural carrier and the first expansion portion;
the first positioning component comprises a plurality of first positioning grooves formed in the surface of the structural carrier and a plurality of first positioning strips formed in the surface of the first expansion part, which faces one side of the structural carrier, wherein the first positioning strips correspond to the first positioning grooves and are clamped into the first positioning grooves;
or the first positioning component comprises a plurality of first positioning strips arranged on the surface of the structural carrier and a plurality of first positioning grooves arranged on the side surface of the first expansion part, facing the structural carrier, of the first expansion part, wherein the first positioning strips correspond to the first positioning grooves and are clamped into the first positioning grooves;
a second positioning component is arranged between the structural carrier and the second expansion part;
the second positioning assembly comprises a plurality of second positioning grooves formed in the surface of the structural carrier and a plurality of second positioning strips formed in the surface of one side of the second expansion part, facing the structural carrier, wherein the second positioning strips correspond to the second positioning grooves and are clamped into the second positioning grooves;
or the second positioning assembly comprises a plurality of second positioning strips arranged on the surface of the structural carrier and a plurality of second positioning grooves arranged on the side surface of the second expansion part, which faces the structural carrier, wherein the second positioning strips correspond to the second positioning grooves and are clamped into the second positioning grooves.
According to an aspect of the foregoing technical disclosure, the expansion body further includes a plurality of connection arms, and two ends of the connection arms are respectively connected to the first expansion portion and the second expansion portion.
The second aspect of the invention provides an automobile tail door, comprising a tail door inner plate and a tail door outer plate, wherein the tail door inner plate and the edge of the tail door outer plate are welded and fixed, and the automobile tail door further comprises a plurality of tail door reinforcing structures in the technical scheme.
The third aspect of the present invention provides an automobile, which comprises a frame, and the automobile further comprises the automobile tail door in the above technical scheme, wherein the automobile tail door is rotatably connected with the frame.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of a tail gate reinforcement structure according to a first embodiment of the present invention;
FIG. 2 is a schematic view of another form of tail gate reinforcement structure provided in a first embodiment of the present invention;
FIG. 3 is a schematic view of a tail gate reinforcement structure according to a second embodiment of the present invention;
FIG. 4 is a schematic view of a tail gate reinforcement structure according to a second embodiment of the present invention;
FIG. 5 is a schematic structural view of a tail gate reinforcement structure according to a third embodiment of the present invention;
FIG. 6 is an exploded view of a tailgate reinforcement structure provided in a third embodiment of the invention;
fig. 7 is a schematic structural view of an automobile tail gate according to a fourth embodiment of the present invention;
FIG. 8 is a schematic diagram showing the comparison between the conventional design and the noise suppression according to the present invention in a fifth embodiment of the present invention;
description of the drawings element symbols:
the tail gate reinforcing structure 100, the structural carrier 10, the first positioning groove 11, the second positioning groove 12, the expansion body 20, the first expansion body 21, the first positioning strip 210, the second expansion body 22, the second positioning strip 220, the connecting arm 23, the connecting piece 30, the first connecting piece 31, the second connecting piece 32, the lightening hole 40, the tail gate inner plate 200 and the tail gate outer plate 300.
Detailed Description
In order to make the objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the invention are presented in the figures. This invention may, however, be embodied in many different 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.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "upper," "lower," and the like are used herein for descriptive purposes only and not to indicate or imply that the apparatus or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
In the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1 or fig. 2, in addition to fig. 7, a tail gate reinforcing structure provided in the first embodiment of the present invention is suitable for a tail gate of an automobile, and the tail gate reinforcing structure 100 includes a structural carrier 10 and an expansion body 20, wherein the structural carrier 10 is made of a lightweight CBS material, and has the characteristics of high strength and light weight, and the expansion body 20 is made of a thermal expansion structural adhesive, and is solid or semi-solid in an initial state, and the expansion body 20 can expand under the action of high temperature so as to enlarge the volume and be extremely adhesive.
It should be noted that, because of obvious differences in the design of the tail gate of each brand and each type of automobile, the tail gate inner panel 200 and the tail gate outer panel 300 of the automobile are embodied in different modeling designs, so that the tail gate cavities are different. Since the structural carrier 10 is disposed in the tailgate cavity, the shape profile and the specification of the structural carrier 10 are not particularly limited in the present embodiment, as long as the structural carrier 10 can be disposed in the tailgate cavity between the tailgate inner panel 200 and the tailgate outer panel 300 and ensure that structural interference is not caused to the assembly of the tailgate inner panel 200 and the tailgate outer panel 300.
The structural carrier 10 is provided with a connecting piece 30 for connecting the inner tail gate board 200, and the connecting piece 30 is, for example, a metal piece and can be fixed on the inner side surface of the inner tail gate board 200 by means of laser welding and spot welding, so that the structural carrier 10 and the expansion body 20 attached to the surface of the structural carrier 10 are fixed on the inner tail gate board 200.
After the structural support 10 and the expansion body are fixed to the inner tailgate sheet 200, the outer tailgate sheet 300 is assembled to a predetermined position and welded to the inner tailgate sheet 200. After that, by increasing the temperature of the expansion body 20, the expansion body 20 can be heated and expanded and has viscosity, after the expansion body 20 is heated, the outer side surface of the expansion body 20 can be respectively attached to and adhered to the inner side of the tail door inner plate 200 and the inner side of the tail door outer plate 300, after the expansion body 20 is cooled, the tail door inner plate 200 and the tail door outer plate 300 of the automobile tail door can be connected into a whole, the panel mode of the automobile tail door is improved, the vibration of the tail door is reduced, and the noise in the automobile is optimized.
Compared with the prior art, the invention has the beneficial effects that the tail gate reinforcing structure 100 is arranged in the tail gate cavity between the tail gate inner plate 200 and the tail gate outer plate 300, the structural carrier 10 is fastened to the inner side surface of the tail gate inner plate 200, and the expansion body 20 is arranged on the surface of the structural carrier 10, so that the expansion body 20 is attached to and adhered to the tail gate inner plate 200 and the tail gate outer plate 300 through the thermal expansion of the expansion body 20, the tail gate inner plate 200 and the tail gate outer plate 300 can be connected into a whole after the expansion body 20 is cooled, the panel mode of the tail gate of an automobile is improved, the vibration of the tail gate is reduced, and the noise in the automobile is optimized, so that the driving comfort can be effectively improved.
Example two
Referring to fig. 3 and 4, and additionally referring to fig. 7, a second embodiment of the present invention provides a tail gate reinforcement structure, and the tail gate reinforcement structure 100 in this embodiment is substantially similar to the structure of the tail gate reinforcement structure 100 in the first embodiment, except that:
in this embodiment, in the initial state, the connection member for connecting the inner tail gate panel 200 is fixedly disposed at a position of the structural carrier 10 not covered by the expansion body 20, and in another possible embodiment, the connection member on the structural carrier 10 may also be used for connecting the outer tail gate panel 300. Further, the structural carrier 10 is provided at both ends thereof with connectors for connecting the tailgate inner panel 200, and for convenience of description, is named as a first connector 31 and a second connector 32, respectively, and the structural carrier 10 is connected to the tailgate inner panel 200 through the first connector 31 and the second connector 32.
Specifically, fastening holes (not shown) are respectively formed at two ends of the structural carrier 10, through holes (not shown) are respectively formed in the first connecting piece 31 and the second connecting piece 32, a fastening piece (not shown) passes through the through holes of the first connecting piece 31 to be connected into the through hole at one end of the structural carrier 10, and another fastening piece passes through the through hole of the second connecting piece 32 to be connected into the through hole at the other end of the structural carrier 10.
In this embodiment, the structural carrier 10 is provided with a plurality of weight-reducing holes 40, so as to reduce the weight of the structural carrier 10, and effectively reduce the weight of the tail door of the automobile under the condition of ensuring the structural strength.
In this embodiment, in the initial state, the expansion body 20 includes a first expansion portion 21 and a second expansion portion 22, and the first expansion portion 21 and the second expansion portion 22 are respectively disposed on the surface of the structural carrier 10 facing the inner tailgate sheet 200 and the outer tailgate sheet 300.
The first expansion part 21 can expand under the high temperature to adhere to the tail door inner plate 200 of the automobile tail door, the second expansion part 22 can expand under the high temperature to adhere to the tail door outer plate 300 of the automobile tail door, after the first expansion part 21 and the second expansion part 22 are cooled, the tail door inner plate 200 of the automobile tail door and the tail door outer plate 300 can be connected into a whole through the structural carrier 10 and the expansion body 20, the panel mode of the automobile tail door is improved, the vibration of the tail door is reduced, and the noise in the automobile is optimized.
Example III
Referring to fig. 5 and 6, and additionally referring to fig. 7, a third embodiment of the present invention provides a tail gate reinforcement structure, wherein the tail gate reinforcement structure 100 in the present embodiment is substantially similar to the structure of the tail gate reinforcement structure 100 in the second embodiment, and the difference is that:
in this embodiment, a first positioning component is disposed between the structural carrier 10 and the first expansion portion 21;
the first positioning component comprises a plurality of first positioning grooves 11 formed in the surface of the structural carrier 10, and a plurality of first positioning strips 210 formed in the surface of the first expansion part 21 facing one side of the structural carrier 10, wherein the first positioning strips 210 correspond to the first positioning grooves 11 and are clamped into the first positioning grooves 11;
in other embodiments, the first positioning component includes a plurality of first positioning strips 210 disposed on the surface of the structural carrier 10, and a plurality of first positioning grooves 11 disposed on a side surface of the first expansion portion 21 facing the structural carrier 10, where the first positioning strips 210 correspond to the first positioning grooves 11 and are clamped into the first positioning grooves 11;
in this embodiment, a second positioning component is disposed between the structural carrier 10 and the second expansion portion 22;
the second positioning assembly includes a plurality of second positioning grooves 12 formed on the surface of the structural carrier 10, and a plurality of second positioning strips 220 formed on a surface of the second expansion portion 22 facing one side of the structural carrier 10, where the second positioning strips 220 correspond to the second positioning grooves 12 and are clamped into the second positioning grooves 12;
in other embodiments, the second positioning assembly includes a plurality of second positioning strips 220 disposed on the surface of the structural carrier 10, and a plurality of second positioning slots 12 disposed on a side surface of the second expansion portion 22 facing the structural carrier 10, where the second positioning strips 220 correspond to the second positioning slots 12 and are clamped into the second positioning slots 12.
It will be appreciated by those skilled in the art that the form of the positioning assembly between the structural carrier 10 and the first and second expansion portions 21, 22 provided by the above embodiments may be flexibly adjusted as required. For example:
the first positioning component between the structural carrier 10 and the first expansion part 21 includes a plurality of first positioning grooves 11 formed on the surface of the structural carrier 10, and a plurality of first positioning strips 210 formed on the surface of the first expansion part 21 facing the structural carrier 10, wherein the first positioning strips 210 correspond to the first positioning grooves 11 and are clamped into the first positioning grooves 11; the second positioning assembly between the structural carrier 10 and the second expansion portion 22 includes a plurality of second positioning strips 220 disposed on the surface of the structural carrier 10, and a plurality of second positioning slots 12 disposed on a side surface of the second expansion portion 22 facing the structural carrier 10, where the second positioning strips 220 correspond to the second positioning slots 12 and are clamped into the second positioning slots 12.
In order to avoid the expansion body 20 from being separated from the structural carrier 10 during the thermal expansion process, the expansion body 20 further includes a plurality of connecting arms 23, and two ends of each connecting arm 23 are respectively connected with the first expansion portion 21 and the second expansion portion 22, so that the structural carrier 10 is at least partially wrapped by the expansion body 20, thereby effectively improving the connection stability between the structural carrier 10 and the expansion body 20.
Example IV
Referring to fig. 7, a fourth embodiment of the present invention provides an automobile tail gate, which includes a tail gate inner panel 200 and a tail gate outer panel 300, wherein the tail gate inner panel 200 and an edge of the tail gate outer panel 300 are welded and fixed, and the automobile tail gate further includes a tail gate reinforcing structure 100 described in the first embodiment, the second embodiment and the third embodiment.
Fig. 7 is a longitudinal sectional view of an automobile tail gate, in which edges of a tail gate inner panel 200 and a tail gate outer panel 300 are fixed by welding, and a plurality of tail gate reinforcing structures 100 are provided in a tail gate cavity between the tail gate inner panel 200 and the tail gate outer panel 300. Wherein the top tailgate reinforcement structure 100 is the tailgate reinforcement structure 100 shown in the first embodiment, the middle tailgate reinforcement structure 100 is the tailgate reinforcement structure 100 shown in the second embodiment, and the bottom tailgate reinforcement structure 100 is the tailgate reinforcement structure 100 shown in the third embodiment.
It should be noted that, the tail gate designs of various brands and types of vehicles are different, so the tail gate cavities between the tail gate inner panel 200 and the tail gate outer panel 300 are also different, while the tail gate reinforcing structure 100 shown in the first, second and third embodiments of the present embodiment of the present invention is determined based on the structural design of the tail gate of the vehicle, and other different vehicle types may be selected, for example, only one or two of the tail gate reinforcing structures 100 shown in the first, second and third embodiments of the present invention are selected.
Example five
A fifth embodiment of the present invention provides an automobile, which includes a frame, and the automobile further includes the automobile tail gate of the fourth embodiment, wherein the automobile tail gate is rotatably connected with the frame.
As shown in fig. 8, after the automobile adopts the automobile tail gate shown in this embodiment, the front noise, the rear noise and the vibration noise of the tail gate of the driving cabin are reduced to different degrees, so that the driving comfort can be improved.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing examples illustrate only a few embodiments of the invention, and are described in detail, but are not to be construed as limiting the scope of the invention. It should be noted that it is possible for those skilled in the art to make several variations and modifications without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. A tail gate additional strengthening, its characterized in that: the tail door reinforcing structure comprises at least one structural carrier and an expansion body, wherein the structural carrier is arranged between a tail door inner plate and a tail door outer plate of an automobile tail door, the structural carrier is fixedly connected to at least one of the tail door inner plate and the tail door outer plate, and the expansion body is attached to the outer surface of the carrier and can expand under the high-temperature condition so as to be attached to or adhered to the inner sides of the tail door inner plate and the tail door outer plate;
the expansion body comprises a first expansion part and a second expansion part, and the first expansion part and the second expansion part are respectively arranged on the surface of the structural carrier, which faces the inner tail door plate and the outer tail door plate;
a first positioning component is arranged between the structural carrier and the first expansion part;
the first positioning component comprises a plurality of first positioning grooves formed in the surface of the structural carrier and a plurality of first positioning strips formed in the surface of the first expansion part, which faces one side of the structural carrier, wherein the first positioning strips correspond to the first positioning grooves and are clamped into the first positioning grooves;
or the first positioning component comprises a plurality of first positioning strips arranged on the surface of the structural carrier and a plurality of first positioning grooves arranged on the side surface of the first expansion part, facing the structural carrier, of the first expansion part, wherein the first positioning strips correspond to the first positioning grooves and are clamped into the first positioning grooves;
a second positioning component is arranged between the structural carrier and the second expansion part;
the second positioning assembly comprises a plurality of second positioning grooves formed in the surface of the structural carrier and a plurality of second positioning strips formed in the surface of one side of the second expansion part, facing the structural carrier, wherein the second positioning strips correspond to the second positioning grooves and are clamped into the second positioning grooves;
or the second positioning assembly comprises a plurality of second positioning strips arranged on the surface of the structural carrier and a plurality of second positioning grooves arranged on the side surface of the second expansion part, which faces the structural carrier, wherein the second positioning strips correspond to the second positioning grooves and are clamped into the second positioning grooves.
2. The tailgate reinforcement structure according to claim 1, characterized in that: in the initial state, a connecting piece used for connecting the tail gate inner plate and/or the tail gate outer plate is fixedly arranged at a position, which is not covered by the expansion body, on the structural carrier.
3. The tailgate reinforcement structure according to claim 2, characterized in that: the connector comprises a first connector and a second connector, and the structural carrier is connected to the tail gate inner plate through the first connector and the second connector.
4. A tail gate reinforcement structure as set forth in claim 3, wherein: the two ends of the structural carrier are respectively provided with a fastening hole, the first connecting piece and the second connecting piece are respectively provided with a through hole, a fastening piece passes through the through holes of the first connecting piece and is connected into the through holes at one end of the structural carrier, and the other fastening piece passes through the through holes of the second connecting piece and is connected into the through holes at the other end of the structural carrier.
5. The tailgate reinforcement structure according to claim 1, characterized in that: the structural carrier is provided with a plurality of lightening holes.
6. The tailgate reinforcement structure according to claim 1, characterized in that: the expansion body further comprises a plurality of connecting arms, and two ends of each connecting arm are respectively connected with the first expansion part and the second expansion part.
7. An automobile tail gate comprising a tail gate inner panel and a tail gate outer panel, the tail gate inner panel and the edge of the tail gate outer panel being welded together, characterized in that the automobile tail gate further comprises a plurality of tail gate reinforcing structures according to any one of claims 1-6.
8. An automobile comprising a frame, wherein the automobile further comprises an automobile tail gate as claimed in claim 7, said automobile tail gate being rotatably connected to said frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111394555.5A CN114274747B (en) | 2021-11-23 | 2021-11-23 | Tail gate additional strengthening, car tail gate and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111394555.5A CN114274747B (en) | 2021-11-23 | 2021-11-23 | Tail gate additional strengthening, car tail gate and car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114274747A CN114274747A (en) | 2022-04-05 |
| CN114274747B true CN114274747B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111394555.5A Active CN114274747B (en) | 2021-11-23 | 2021-11-23 | Tail gate additional strengthening, car tail gate and car |
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| CN (1) | CN114274747B (en) |
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| CN107792198A (en) * | 2016-08-29 | 2018-03-13 | 丰田自动车株式会社 | Vehicle tail door |
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| CN208498201U (en) * | 2018-06-21 | 2019-02-15 | 常熟龙创汽车技术有限公司 | A kind of car door resisting recessed structure with optimization |
| CN210283857U (en) * | 2019-03-08 | 2020-04-10 | 东风小康汽车有限公司重庆分公司 | Automobile back door structure |
| CN112158057A (en) * | 2020-09-30 | 2021-01-01 | 重庆长安汽车股份有限公司 | Automobile tail door structure |
| CN214450199U (en) * | 2021-03-25 | 2021-10-22 | 威马智慧出行科技(上海)股份有限公司 | Door frame of automobile tail door |
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2021
- 2021-11-23 CN CN202111394555.5A patent/CN114274747B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003095147A (en) * | 2001-09-20 | 2003-04-03 | Hino Motors Ltd | Structure of reinforcing bag-shaped portion |
| JP2006151194A (en) * | 2004-11-29 | 2006-06-15 | Gp Daikyo Corp | Back door |
| CN202689861U (en) * | 2012-06-29 | 2013-01-23 | 重庆长安汽车股份有限公司 | Automobile door structure |
| CN107792198A (en) * | 2016-08-29 | 2018-03-13 | 丰田自动车株式会社 | Vehicle tail door |
| CN207747717U (en) * | 2017-12-29 | 2018-08-21 | 常熟市汽车饰件股份有限公司 | The injection molding tail-gate and vehicle of vehicle |
| CN208498201U (en) * | 2018-06-21 | 2019-02-15 | 常熟龙创汽车技术有限公司 | A kind of car door resisting recessed structure with optimization |
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| CN112158057A (en) * | 2020-09-30 | 2021-01-01 | 重庆长安汽车股份有限公司 | Automobile tail door structure |
| CN214450199U (en) * | 2021-03-25 | 2021-10-22 | 威马智慧出行科技(上海)股份有限公司 | Door frame of automobile tail door |
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| Publication number | Publication date |
|---|---|
| CN114274747A (en) | 2022-04-05 |
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