CN103612667A - Rear floor structure - Google Patents
Rear floor structure Download PDFInfo
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- CN103612667A CN103612667A CN201310661225.7A CN201310661225A CN103612667A CN 103612667 A CN103612667 A CN 103612667A CN 201310661225 A CN201310661225 A CN 201310661225A CN 103612667 A CN103612667 A CN 103612667A
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- rear floor
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- floor
- spare tire
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 73
- 239000011324 bead Substances 0.000 claims description 15
- 238000003466 welding Methods 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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Abstract
The invention discloses a rear floor structure which comprises a rear floor (1). The rear floor structure further comprises a third-row seat front installing cross beam (2) on the front side above the rear floor (1), a floor lower cross beam (3) arranged below the rear floor (1) corresponding to the front installing cross beam, rear floor upper longitudinal beams (4) arranged on two sides above the rear floor (1) and rear floor lower longitudinal beams (5) arranged below the rear floor (1) corresponding to the rear floor upper longitudinal beams (4), wherein front reinforcing ribs are arranged in areas of both the third-row seat front installing cross beam (2) and the floor lower cross beam (3) corresponding to the rear floor (1); and side reinforcing ribs (14) are arranged in areas of the rear floor upper longitudinal beams (4) and the rear floor lower longitudinal beams (5) corresponding to the rear floor (1). The strength of the rear floor structure is effectively improved.
Description
Technical Field
The invention relates to the technical field of automobile equipment, in particular to a rear floor structure.
Background
With the increasing demands of people on the appearance and the internal space of the automobile, compact urban SUV (sports utility vehicle) models which are attractive in appearance and have more than three rows of seats are favored.
In compact urban SUV (sports utility vehicle) models, a spare tire needs to be arranged under the rear floor, so that the problem of interference between the spare tire and the last row of seats in arrangement is solved, and the freedom of design of the whole vehicle is improved. However, the spare tire of the rear floor is arranged downwards, so that the strength requirement of the rear floor is improved, and the existing rear floor structure cannot meet the requirement.
Therefore, how to improve the strength of the rear floor is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
Accordingly, the present invention provides a rear floor structure to improve the strength thereof.
In order to achieve the purpose, the invention provides the following technical scheme:
a rear floor structure comprising a rear floor, further comprising:
a third row seat front mounting beam arranged on the front side above the rear floor;
the lower floor beam is arranged below the rear floor corresponding to the front mounting beam, and front reinforcing ribs are arranged in the front mounting beam of the third row of seats and the area of the lower floor beam corresponding to the rear floor;
the rear floor upper longitudinal beams are arranged on two sides above the rear floor;
and the rear floor upper longitudinal beam and the rear floor lower longitudinal beam are arranged below the rear floor in a corresponding manner, and side reinforcing ribs are arranged in the areas of the rear floor upper longitudinal beam and the rear floor lower longitudinal beam corresponding to the rear floor.
Preferably, in the above rear floor structure, the front reinforcing bead includes a transverse reinforcing bead and end reinforcing beads provided at both ends of the transverse reinforcing bead.
Preferably, in the above rear floor structure, a liquid leakage hole is provided on a lowest position profile of the rear floor.
Preferably, in the above rear floor structure, a rear seat reinforcing beam arranged in a longitudinal direction and a rear seat mounting nut plate for fixing the rear seat reinforcing beam are provided on the rear floor.
In the above-described rear floor structure, the rear seat reinforcing beam and the rear seat attachment nut plate are both provided below the rear floor.
Preferably, in the above rear floor structure, a spare tire housing area is provided below the rear floor, and a height difference between the spare tire housing area and the rear floor body is L;
two spare tire mounting brackets are arranged below the rear floor, and the spare tire mounting brackets are respectively arranged on two sides of the rear seat reinforcing beam.
Preferably, the rear floor structure further includes a longitudinal reinforcing beam disposed between the two spare tire mounting brackets.
Preferably, in the above rear floor structure, a longitudinal bead is provided in a region of the rear floor corresponding to the longitudinal reinforcement beam.
Preferably, the rear floor structure further includes a reinforcing rib and a reinforcing plate provided in the spare tire housing area.
Preferably, in the rear floor structure, the third row seat front mounting cross member and the underfloor cross member are fixedly provided on the rear floor by spot welding;
the rear floor upper longitudinal beam and the rear floor lower longitudinal beam are fixedly arranged on the rear floor through spot welding.
According to the technical scheme, the front side of the rear floor is a cross beam mounting area, and a cross beam under the floor are mounted in front of a third row of seats additionally arranged in the cross beam mounting area; the rear floor upper longitudinal beam and the rear floor lower longitudinal beam are additionally arranged on two sides above the rear floor, so that the rear floor is arranged between the rear floor upper longitudinal beam and the rear floor lower longitudinal beam, a three-layer reinforcing structure is formed, namely a U-shaped reinforcing structure is formed on the outer edge of the rear floor, reinforcing ribs are arranged in an area covered by the rear floor upper cross beam and the longitudinal beams, and the strength is further improved. The rear floor structure provided by the invention effectively improves the strength of the rear floor structure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a rear floor provided in an embodiment of the present invention;
FIG. 2 is a schematic view of a rear floor structure provided in an embodiment of the present invention;
FIG. 3 is a schematic view of FIG. 1 taken along plane A-A;
FIG. 4 is a cross-sectional view taken along plane B-B of FIG. 3;
FIG. 5 is a cross-sectional view taken along plane C-C of FIG. 3;
fig. 6 is a schematic sectional view taken along plane D-D in fig. 3.
Wherein,
the rear floor comprises a rear floor-1, a cross beam mounting area-11, a transverse reinforcing rib-12, an end reinforcing rib-13, a side reinforcing rib-14, a lowest position profile-15, a longitudinal reinforcing rib-16, a spare tire accommodating area-17, a spare tire longitudinal reinforcing rib-18, a spare tire transverse reinforcing rib-19, a reinforcing plate mounting area-110, a spare tire longitudinal reinforcing rib-18, a third row seat front mounting cross beam-2, a floor lower cross beam-3, a rear floor upper longitudinal beam-4, a rear floor lower longitudinal beam-5, a rear seat reinforcing beam-6, a rear seat mounting nut plate-7, a spare tire mounting bracket-8, a longitudinal beam-9 and a reinforcing plate-10.
Detailed Description
The invention discloses a rear floor structure to improve the strength thereof.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, fig. 1 is a schematic structural view of a rear floor according to an embodiment of the present invention; FIG. 2 is a schematic view of a rear floor structure provided in an embodiment of the present invention; FIG. 3 is a schematic view of FIG. 1 taken along plane A-A; FIG. 4 is a cross-sectional view taken along plane B-B of FIG. 3; FIG. 5 is a cross-sectional view taken along plane C-C of FIG. 3; fig. 6 is a schematic sectional view taken along plane D-D in fig. 3.
As shown in fig. 1 to 6, the rear floor structure provided by the embodiment of the present invention includes a rear floor 1, and further includes: a third row seat front mounting crossbeam 2 arranged on the front side above the rear floor 1; the lower floor crossbeam 3 is arranged below the rear floor 1 corresponding to the front mounting crossbeam, and front reinforcing ribs are arranged in the front mounting crossbeam 2 of the third row of seats and the areas of the lower floor crossbeam 3 corresponding to the rear floor 1; the rear floor upper longitudinal beams 4 are arranged on two sides above the rear floor 1; the rear floor upper side member 4 and the rear floor lower side member 5 are provided with side reinforcing ribs 14 in regions corresponding to the rear floor 1.
According to the rear floor structure provided by the embodiment of the invention, the front side of the rear floor 1 is provided with the beam mounting area 11, and the beam 2 and the underfloor beam 3 are mounted in front of the third row of seats in the beam mounting area 11; back floor upper longitudinal beam 4 and back floor longitudinal beam 5 are added to two sides above back floor 1, back floor 1 is arranged between back floor upper longitudinal beam 4 and back floor longitudinal beam 5, three-layer reinforcing structure is formed, namely, U-shaped reinforcing structure is formed at the outer edge of back floor 1, reinforcing ribs are arranged in the area covered by the back floor 1 upper transverse beam and the longitudinal beams, and strength is further improved. The rear floor structure provided by the embodiment of the invention effectively improves the strength of the rear floor structure.
Further, as shown in fig. 1, the front beads include a transverse bead 12 and end beads 13 provided at both ends of the transverse bead 12. By providing the lateral reinforcing beads 12, the phenomenon that the rear floor 1 is drawn up to have a large-area plane to cause a reduction in strength is avoided, and by providing the lateral reinforcing beads 12 on both sides. The end reinforcing ribs 13 are provided to further reinforce the strength of the end portions of the lateral reinforcing ribs 12. In the present embodiment, the number of the end reinforcing ribs 13 is 4, two of the end reinforcing ribs are provided at one end of the transverse reinforcing rib 12 and are arranged along the extending direction of the transverse reinforcing rib 12, and the other two end reinforcing ribs are provided at the other end of the transverse reinforcing rib 12 and are arranged along the extending direction of the transverse reinforcing rib 12. The number of the end reinforcing ribs 13 can be increased or decreased according to the specific requirements of the vehicle type, and the number is not described one by one and is within the protection range.
As shown in FIG. 1, the position close to the transverse reinforcing rib 12 is the lowest position profile 15 of the rear floor 1, and the lowest position profile 15 is provided with a liquid leakage hole, so that liquid on the rear floor 1 can be discharged conveniently, and the condition of liquid accumulation of the rear floor 1 is effectively avoided.
As shown in fig. 2 and 6, the rear floor 1 is provided with a rear seat reinforcing beam 6 arranged in the longitudinal direction and a rear seat mounting nut plate 7 for fixing the rear seat reinforcing beam 6. The strength of the mounting point of the rear seat is improved by adding the rear seat reinforcing beam 6 and fixing the rear seat reinforcing beam on the rear floor 1 through the rear seat mounting nut plate 7 and the bolt.
Further, both the rear seat reinforcing beam 6 and the rear seat mounting nut plate 7 are provided below the rear floor 1. Avoiding interference with parts above the rear floor 1.
The spare tire accommodating area 17 is arranged below the rear floor 1, and a spare tire is placed below the rear floor 1 to avoid interference with a rear seat, wherein the height difference between the spare tire accommodating area 17 and the rear floor body is L, namely, after the rear floor structure provided by the embodiment of the invention is installed in a carriage, the distance between the spare tire accommodating area 17 of the rear floor 1 and the carriage floor is L, so that the spare tire can be accommodated conveniently. Wherein, the value range of L is 70mm-80mm, and further, L is 75 mm.
In the present embodiment, two spare tire mounting brackets 8 are provided below the rear floor 1, and the spare tire mounting brackets 8 are provided on both sides of the rear seat reinforcing beam 6, respectively. The spare tire mounting bracket 8 may be disposed at other positions, which will not be described one by one.
Further, the rear floor structure provided by the embodiment of the invention further comprises a longitudinal reinforcing beam 9 arranged between the two spare tire mounting brackets 8, so that the strength of the rear floor structure is further enhanced.
Wherein, the corresponding area of the rear floor 1 and the longitudinal reinforcing beam 9 is provided with a longitudinal reinforcing rib 16.
As shown in fig. 1 and 3, in order to improve the strength of the spare tire housing area 17, the rear floor structure in the present embodiment further includes a reinforcement plate 10 provided on the spare tire housing area 17. Wherein, the right lower part of the spare tire accommodating area 17 is provided with a reinforcing plate mounting area 110 on which the reinforcing plate 10 is arranged; and the reinforcing ribs include a plurality of spare tire longitudinal reinforcing ribs 18 and a plurality of spare tire transverse reinforcing ribs 19, which are regularly distributed on the spare tire housing area 17.
In this embodiment, the third row seat front mounting cross beam 2 and the floor lower cross beam 3 are fixedly arranged on the rear floor 1 by spot welding and welded by a three-layer spot welding method, and similarly, the rear floor upper longitudinal beam 4 and the rear floor lower longitudinal beam 5 are fixedly arranged on the rear floor 1 by spot welding and welded by a three-layer spot welding method.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A rear floor structure comprising a rear floor (1), characterized by further comprising:
a front mounting crossbeam (2) of a third row of seats arranged on the front side above the rear floor (1);
the lower floor beam (3) is arranged below the rear floor (1) and corresponds to the front mounting beam, and front reinforcing ribs are arranged in the areas of the front mounting beam (2) of the third row of seats and the lower floor beam (3) corresponding to the rear floor (1);
the rear floor upper longitudinal beams (4) are arranged on two sides above the rear floor (1);
the rear floor longitudinal beam (5) is arranged below the rear floor (1) and corresponds to the rear floor upper longitudinal beam (4), and side reinforcing ribs (14) are arranged in the areas of the rear floor upper longitudinal beam (4) and the rear floor lower longitudinal beam (5) corresponding to the rear floor (1).
2. The rear floor structure according to claim 1, wherein the front reinforcing bead includes a transverse reinforcing bead (12) and end reinforcing beads (13) provided at both ends of the transverse reinforcing bead (12).
3. A rear floor structure according to claim 1, characterized in that the lowest profile (15) of the rear floor (1) is provided with weep holes.
4. The rear floor structure according to claim 1, characterized in that the rear floor (1) is provided with a rear seat reinforcing beam (6) arranged in the longitudinal direction and a rear seat mounting nut plate (7) for fixing the rear seat reinforcing beam (6).
5. The rear floor structure according to claim 4, wherein the rear seat reinforcing beam (6) and the rear seat mounting nut plate (7) are provided below the rear floor (1).
6. The rear floor structure according to claim 4, wherein a spare tire housing area (17) is provided below the rear floor (1), and a height difference between the spare tire housing area (17) and the rear floor body is L;
two spare tire installing supports (8) are arranged below the rear floor (1), and the spare tire installing supports (8) are respectively arranged on two sides of the rear seat reinforcing beam (6).
7. A rear floor structure according to claim 6, further comprising a longitudinal reinforcing beam (9) provided between two of said spare tire mounting brackets (8).
8. A rear floor structure according to claim 7, characterized in that the corresponding areas of the rear floor (1) and the longitudinal reinforcement beam (9) are provided with longitudinal reinforcement ribs (16).
9. A rear floor structure according to claim 6, further comprising reinforcing ribs and a reinforcing plate (10) provided on the spare tire housing area (17).
10. The rear floor structure according to any one of claims 1 to 9, wherein the third row seat front mounting cross member (2) and the under-floor cross member (3) are fixedly provided on the rear floor (1) by spot welding;
the rear floor upper longitudinal beam (4) and the rear floor lower longitudinal beam (5) are fixedly arranged on the rear floor (1) through spot welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310661225.7A CN103612667B (en) | 2013-12-09 | 2013-12-09 | Rear floor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310661225.7A CN103612667B (en) | 2013-12-09 | 2013-12-09 | Rear floor structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103612667A true CN103612667A (en) | 2014-03-05 |
| CN103612667B CN103612667B (en) | 2016-08-31 |
Family
ID=50163396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310661225.7A Active CN103612667B (en) | 2013-12-09 | 2013-12-09 | Rear floor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103612667B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103895472A (en) * | 2014-03-13 | 2014-07-02 | 奇瑞汽车股份有限公司 | Leakage hole structure of automobile door |
| CN104724185A (en) * | 2015-01-29 | 2015-06-24 | 重庆长安汽车股份有限公司 | Rear floor for minicar |
| CN104842824A (en) * | 2015-05-26 | 2015-08-19 | 上海长安汽车工程技术有限公司 | Mounting and fixing structure of car third-row seat |
| CN107200064A (en) * | 2017-06-03 | 2017-09-26 | 保定中兴田野新能源汽车科技有限公司 | The body structure that a kind of achievable chassis is raised |
| CN108407898A (en) * | 2018-05-08 | 2018-08-17 | 广州汽车集团股份有限公司 | A kind of preceding floor cage beam frame structure |
| CN109080710A (en) * | 2018-06-28 | 2018-12-25 | 奇瑞汽车股份有限公司 | A kind of automobile rear floor assembly structure |
| CN111994174A (en) * | 2020-07-29 | 2020-11-27 | 江西江铃集团新能源汽车有限公司 | Floor assembly and car behind sectional type |
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| WO2005113319A1 (en) * | 2004-05-17 | 2005-12-01 | Renault S.A.S. | Arrangement for a spare wheel in a motor vehicle |
| CN1903636A (en) * | 2005-07-25 | 2007-01-31 | 马自达汽车株式会社 | Underside body structure of vehicle |
| JP2007118864A (en) * | 2005-10-31 | 2007-05-17 | Toyota Motor Corp | Vehicular rear structure |
| EP1820716A1 (en) * | 2006-02-15 | 2007-08-22 | Peugeot Citroën Automobiles S.A. | Rear boot structure for an automobile and automobile comprising said structure. |
| CN201390287Y (en) * | 2009-03-05 | 2010-01-27 | 浙江吉利汽车研究院有限公司 | Automotive rear floor anti-collision beam structure |
| CN202413947U (en) * | 2011-10-16 | 2012-09-05 | 浙江吉利汽车研究院有限公司 | Rear floor assembly structure for fixing third-row chairs |
| US20130200654A1 (en) * | 2012-02-06 | 2013-08-08 | Honda Motor Co., Ltd. | Vehicle body rear structure |
| CN203306113U (en) * | 2013-05-29 | 2013-11-27 | 东风汽车公司 | Rear floor structure of electric passenger vehicle |
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2013
- 2013-12-09 CN CN201310661225.7A patent/CN103612667B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005113319A1 (en) * | 2004-05-17 | 2005-12-01 | Renault S.A.S. | Arrangement for a spare wheel in a motor vehicle |
| CN1903636A (en) * | 2005-07-25 | 2007-01-31 | 马自达汽车株式会社 | Underside body structure of vehicle |
| JP2007118864A (en) * | 2005-10-31 | 2007-05-17 | Toyota Motor Corp | Vehicular rear structure |
| EP1820716A1 (en) * | 2006-02-15 | 2007-08-22 | Peugeot Citroën Automobiles S.A. | Rear boot structure for an automobile and automobile comprising said structure. |
| CN201390287Y (en) * | 2009-03-05 | 2010-01-27 | 浙江吉利汽车研究院有限公司 | Automotive rear floor anti-collision beam structure |
| CN202413947U (en) * | 2011-10-16 | 2012-09-05 | 浙江吉利汽车研究院有限公司 | Rear floor assembly structure for fixing third-row chairs |
| US20130200654A1 (en) * | 2012-02-06 | 2013-08-08 | Honda Motor Co., Ltd. | Vehicle body rear structure |
| CN203306113U (en) * | 2013-05-29 | 2013-11-27 | 东风汽车公司 | Rear floor structure of electric passenger vehicle |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103895472A (en) * | 2014-03-13 | 2014-07-02 | 奇瑞汽车股份有限公司 | Leakage hole structure of automobile door |
| CN103895472B (en) * | 2014-03-13 | 2016-03-16 | 奇瑞汽车股份有限公司 | A kind of leaking hole structure of arrangements for automotive doors |
| CN104724185A (en) * | 2015-01-29 | 2015-06-24 | 重庆长安汽车股份有限公司 | Rear floor for minicar |
| CN104842824A (en) * | 2015-05-26 | 2015-08-19 | 上海长安汽车工程技术有限公司 | Mounting and fixing structure of car third-row seat |
| CN107200064A (en) * | 2017-06-03 | 2017-09-26 | 保定中兴田野新能源汽车科技有限公司 | The body structure that a kind of achievable chassis is raised |
| CN108407898A (en) * | 2018-05-08 | 2018-08-17 | 广州汽车集团股份有限公司 | A kind of preceding floor cage beam frame structure |
| CN108407898B (en) * | 2018-05-08 | 2023-08-11 | 广州汽车集团股份有限公司 | Front floor cage type beam frame structure |
| CN109080710A (en) * | 2018-06-28 | 2018-12-25 | 奇瑞汽车股份有限公司 | A kind of automobile rear floor assembly structure |
| CN111994174A (en) * | 2020-07-29 | 2020-11-27 | 江西江铃集团新能源汽车有限公司 | Floor assembly and car behind sectional type |
| CN111994174B (en) * | 2020-07-29 | 2022-02-01 | 江西江铃集团新能源汽车有限公司 | Floor assembly and car behind sectional type |
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| Publication number | Publication date |
|---|---|
| CN103612667B (en) | 2016-08-31 |
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