CN210852643U - Rear side member reinforcing structure of vehicle and vehicle - Google Patents
Rear side member reinforcing structure of vehicle and vehicle Download PDFInfo
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- CN210852643U CN210852643U CN201921367433.5U CN201921367433U CN210852643U CN 210852643 U CN210852643 U CN 210852643U CN 201921367433 U CN201921367433 U CN 201921367433U CN 210852643 U CN210852643 U CN 210852643U
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- side member
- rear side
- longeron
- floor
- connecting plate
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Abstract
The utility model provides a back longeron additional strengthening of vehicle. Rear longitudinal beam additional strengthening includes back anticollision roof beam (1), back energy-absorbing box (2), back bounding wall (3) and rear floor (4) and back longeron (5), the rear end of back energy-absorbing box (2) and the tip fixed connection of back anticollision roof beam (1), back longeron (5) are located the below on back floor (4), the front end of back energy-absorbing box (2) and the rear end fixed connection of back longeron (5), be equipped with back longeron reinforcement (6) on back longeron (5), back longeron reinforcement (6) fixed connection back longeron (5) respectively, back floor (4) and back bounding wall (3). The utility model discloses a set up the back longeron reinforcement on the back longeron to showing the joint strength who promotes back longeron and peripheral part, also can playing the supporting role to back bounding wall, in order to reduce the damage of back longeron, back bounding wall and peripheral part when bumping after, improving driver and crew's security.
Description
Technical Field
The utility model belongs to the vehicle field specifically, relates to a vehicle and back longeron additional strengthening thereof.
Background
In order to reduce the damage of parts during the rear collision of a vehicle, save the maintenance cost and improve the safety of drivers and passengers, the rear anti-collision beam and the rear energy absorption box must be required to fully absorb energy, so that the parts behind the energy absorption box are protected from large impact and deformation, the maintenance cost of the parts is reduced, and particularly the maintenance cost of the rear longitudinal beam and the peripheral parts thereof is reduced. When a traditional vehicle is in rear collision, the rear energy absorption box can invade the rear coaming under the action of impact force, so that the rear longitudinal beam, the rear coaming and peripheral parts are damaged. The cost of maintaining the rear stringers, back panels, and peripheral components is very high, greatly reducing the rear impact maintenance economy rating.
SUMMERY OF THE UTILITY MODEL
The above-mentioned defect or not enough to prior art, the utility model aims at providing a can reduce the damage of back longeron, back bounding wall and peripheral part when bumping after the vehicle takes place, improve the back longeron additional strengthening of driver and crew security.
In order to achieve the above object, the present invention provides a rear longitudinal beam reinforcement structure of a vehicle, and a vehicle including the rear longitudinal beam reinforcement structure.
According to the utility model discloses a back longeron additional strengthening includes from the back to the preceding back anticollision roof beam that sets gradually, back energy-absorbing box, back bounding wall and back floor and back longeron, the rear end of back energy-absorbing box and the tip fixed connection of back anticollision roof beam, the back longeron is located the below on back floor, the front end of back energy-absorbing box and the back end fixed connection of back longeron are equipped with the longeron reinforcement on the back longeron, back longeron reinforcement is fixed connection back longeron, back floor and back bounding wall respectively.
Optionally, the front end of the rear energy absorption box is connected with a rear energy absorption box flange plate located at the rear side of the rear coaming, the rear end of the rear longitudinal beam is connected with a rear longitudinal beam flange plate located at the front side of the rear coaming, the rear energy absorption box flange plate is fixedly connected with the rear longitudinal beam flange plate, and the longitudinal beam reinforcement is fixedly connected with the rear longitudinal beam flange plate.
Optionally, the stringer stiffener is a plate stiffener comprising a horizontal web and a vertical flange folded up from a rear end of the horizontal web. The horizontal connecting plate covers the rear longitudinal beam and is fixedly connected with the rear longitudinal beam and the rear floor respectively, and the vertical flanging part is fixedly connected with the rear floor, the rear coaming and the rear longitudinal beam flange plate respectively.
Optionally, the stringer stiffener further comprises a stiffener connecting the horizontal web to the vertical hem.
Optionally, the rear longitudinal beam is a groove beam with an upward groove opening, the horizontal connecting plate comprises a horizontal connecting plate middle part covering the upper part of the groove of the rear longitudinal beam and horizontal connecting plate side parts transversely extending from two side edges of the rear longitudinal beam, the horizontal connecting plate middle part is fixedly connected with the rear floor, and the horizontal connecting plate side parts are respectively fixedly connected with the rear longitudinal beam and the rear floor.
Optionally, the longitudinal beam reinforcement is welded and fixed with the rear longitudinal beam, the rear floor, the back panel and the rear longitudinal beam flange plate.
Optionally, at least a plurality of longitudinal lap welds are formed on the side edge portions of the horizontal connecting plate, the longitudinal lap welds being spaced apart in the front-rear direction and welded to the recessed outer side wall of the rear side member.
Optionally, the vertical hem portion is formed with at least a plurality of transverse lap welds spaced laterally along the rear rail.
Optionally, the top edge of the vertical flanging part extends upwards beyond the top edge of the rear longitudinal beam flange plate, and the side edges of the two sides of the vertical flanging part extend laterally beyond the corresponding side edges of the rear longitudinal beam flange plate.
By adopting the technical scheme, the longitudinal beam reinforcing piece is arranged on the rear longitudinal beam and is respectively and fixedly connected with the rear longitudinal beam, the rear floor and the rear enclosing plate, so that the connecting strength of the rear longitudinal beam and peripheral parts thereof can be obviously improved, and the supporting effect on the rear enclosing plate can also be realized, thereby reducing the damage to the rear longitudinal beam, the rear enclosing plate and the peripheral parts when the rear collision occurs and improving the safety of drivers and passengers.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 and 2 are partial perspective views of a rear longitudinal beam reinforcement structure of a vehicle according to an embodiment of the present invention at different viewing angles;
fig. 3 is a perspective view of a side member reinforcement of the rear side member reinforcement structure of the vehicle in fig. 2.
Description of reference numerals:
1 rear anti-collision beam 611 horizontal connecting plate middle part
2 rear crash box 612 horizontal web side edge
3 vertical flanging part of back panel 62
4 rear floor 63 reinforcing rib
5 rear longitudinal beam and 7 rear energy absorption box flange plate
6 longeron reinforcement 8 back longeron flange boards
61 horizontal connecting plate
Detailed Description
The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the description herein is merely for purposes of illustration and explanation and is not intended to limit the embodiments of the present invention.
In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.
In the embodiments of the present invention, unless otherwise specified, the terms of orientation such as "vertical, horizontal, up, down, front, and back" are generally used in the description of the relative positions of the components in the vertical, or gravitational directions with respect to the directions shown in the drawings.
The invention will be described in detail below with reference to the accompanying drawings in conjunction with exemplary embodiments.
With reference to fig. 1 and 2, the utility model provides a rear longitudinal beam reinforcing structure of vehicle includes from the back to the front rear anticollision roof beam 1 that sets gradually, back energy-absorbing box 2, back panel 3 and back longeron 5 to and set up longeron reinforcement 6 on back longeron 5 and set up back floor 4 on longeron reinforcement 6. The rear end of the rear energy absorption box 2 is fixedly connected with the end part of the rear anti-collision beam 1, and the front end of the rear energy absorption box is fixedly connected with the rear end of the rear longitudinal beam.
The front end of the rear energy-absorbing box 2 can be connected with the rear end of the rear longitudinal beam 5 by adopting a flange plate structure, as shown in fig. 1, the front end of the rear energy-absorbing box 2 is fixedly connected with a rear energy-absorbing box flange plate 7 positioned at the rear side of the rear coaming 3, the rear energy-absorbing box flange plate 7 can be integrally formed with the rear energy-absorbing box 2 or can be welded with the rear energy-absorbing box 2, and the connection mode is not limited. As shown in fig. 1 and 2, a rear side member flange plate 8 located on the front side of the back panel 3 is fixedly connected to the rear end of the rear side member 5, and the rear side member flange plate 8 may be integrally formed with the rear side member 5 or may be welded to the rear side member 5. The rear longitudinal beam flange plate 8 and the rear energy absorption box flange plate 7 are respectively and fixedly connected to the front side and the rear side of the rear coaming 3.
As shown in fig. 3, the side member reinforcement 6 may have a plate-like structure including a horizontal web 61 and a vertical burring 62 which is turned upward from a rear end of the horizontal web 61, and the side member reinforcement 6 may further include a reinforcing bead 63 which connects the horizontal web 61 and the vertical burring 62.
As shown in fig. 2 and 3, the horizontal connecting plate 61 of the side member reinforcement 6 is located between the rear side member 5 and the rear floor 4, that is, the horizontal connecting plate 61 covers the rear side member 5, the rear floor 4 covers the horizontal connecting plate 61, and the horizontal connecting plate 61 is fixedly connected with the rear side member 5 and the rear floor 4, and can be connected by welding. The vertical flanging part 62 of the longitudinal beam reinforcing part 6 is positioned between the rear longitudinal beam flange plate 8 and the vertical flanging part of the rear floor 4, namely the rear side of the vertical flanging part 62 is the rear longitudinal beam flange plate 8, the front side of the vertical flanging part 62 is the vertical flanging part of the rear floor 4, and the vertical flanging part 62 is fixedly connected with the vertical flanging parts of the rear longitudinal beam flange plate 8 and the rear floor 4, and similarly, the vertical flanging part can also be connected in a welding mode. When the welding is used, the welding spots on the vertical burring 62 may be arranged as a plurality of laterally overlapping welding spots arranged at intervals in the lateral direction of the rear side member 5.
As shown in fig. 2 and 3, the rear side member 5 may be a recessed beam having a recessed groove opening upward, and accordingly, the horizontal connecting plate 61 of the side member reinforcement 6 may be further divided into a horizontal connecting plate intermediate portion 611 and a horizontal connecting plate side edge portion 612, the horizontal connecting plate intermediate portion 611 covering above the recessed groove of the rear side member 5, and the horizontal connecting plate side edge portion 612 covering above the laterally projecting side edges of both side edges of the rear side member 5. When the rear longitudinal beam 5 is a recessed beam with an upward opening of the recess, the horizontal connecting plate middle part 611 of the horizontal connecting plate 61 is located between the upper part of the recess of the rear longitudinal beam 5 and the rear floor 4, and the horizontal connecting plate middle part 611 is fixedly connected with the rear floor 4, and similarly, may be connected by welding. The horizontal connecting plate side portions 612 of the horizontal connecting plate 61 are located between the laterally extending side edges of the two side edges of the rear longitudinal beam 5 and the rear floor panel 4, that is, the horizontal connecting plate side portions 612 cover the laterally extending side edges of the two side edges of the rear longitudinal beam 5, the rear floor panel 4 covers the horizontal connecting plate side portions 612, and the horizontal connecting plate side portions 612 are fixedly connected with the laterally extending side edges of the two side edges of the rear longitudinal beam 5 and the rear floor panel 4, and similarly, can be connected by welding. When the welding is used, the welding points on the horizontal connecting plate side edge portions 612 may be arranged as a plurality of longitudinally overlapping welding points arranged at intervals in the longitudinal direction of the rear side member 5.
The vertical turn-up 62 may also be designed to include at least one of the following features: the top edge of the vertical flange portion 62 extends upward beyond the top edge of the rear side member flange panel 8, and the side edges of both sides of the vertical flange portion 62 extend laterally beyond the corresponding side edges of the rear side member flange panel 8. When the vertical flanging part 62 includes any one of the above features, the extending part of the vertical flanging part 62 contacts with the front side of the back panel 3, that is, the vertical flanging parts of the back panel 3, the back longitudinal beam flange plate 8, the vertical flanging part 62 and the back floor 4 are sequentially arranged from back to front in the vertical direction, the extending part of the vertical flanging part 62 is fixedly connected with the vertical flanging parts of the back panel 3, the back longitudinal beam flange plate 8 and the back floor 4, and the part of the vertical flanging part 62 corresponding to the back longitudinal beam flange plate 8 is fixedly connected with the vertical flanging parts of the back longitudinal beam flange plate 8 and the back floor 4, and similarly, the connecting part can also be connected by adopting a welding mode. When the welding is used, the welding spots on the vertical burring 62 may be arranged as a plurality of laterally overlapping welding spots arranged at intervals in the lateral direction of the rear side member 5.
The connection mode of the front end of the rear energy absorption box 2 and the rear end of the rear longitudinal beam 5 is not limited to a flange plate structure, for example, the front end of the rear energy absorption box 2 and the rear end of the rear longitudinal beam 5 can be directly fixedly connected with the rear coaming 3, namely, the flange plate 7 of the rear energy absorption box and the flange plate 8 of the rear longitudinal beam are removed; and a hole for the rear energy absorption box 2 or the rear longitudinal beam 5 to pass through can be formed in the rear coaming 3, so that the front end of the rear energy absorption box 2 is directly and fixedly connected with the rear end of the rear longitudinal beam 5. When the two connection modes are adopted, the connection relationship between the vertical flanging part 62 of the longitudinal beam reinforcing part 6 and other parts is changed correspondingly. Because there is no flange plate structure, the rear longitudinal beam flange plate 8 is omitted, and at this time, the vertical flanging part 62 is located between the front side of the back panel 3 and the vertical flanging part of the rear floor 4, that is, the rear side of the vertical flanging part 62 is the back panel 3, the front side of the vertical flanging part 62 is the vertical flanging part of the rear floor 4, and the vertical flanging part 62 is fixedly connected with the vertical flanging parts of the back panel 3 and the rear floor 4, and similarly, can also be connected by welding. When the welding is used, the welding spots on the vertical burring 62 may be arranged as a plurality of laterally overlapping welding spots arranged at intervals in the lateral direction of the rear side member 5.
Because the front end of the rear energy-absorbing box 2 is different from the rear end of the rear longitudinal beam 5 in connection mode, and the rear longitudinal beam 5 is different in structure, the connection relation between the longitudinal beam reinforcing part 6 and other parts can be changed, but the connection relations between the different longitudinal beam reinforcing parts 6 and other parts can have the same beneficial effects, namely, the longitudinal beam reinforcing part 6 is arranged on the rear longitudinal beam 5, the longitudinal beam reinforcing part 6 is respectively and fixedly connected with the rear longitudinal beam 5, the rear floor 4 and the rear coaming 3, the connection strength of the rear longitudinal beam and peripheral parts thereof can be obviously improved, the supporting effect on the rear coaming can also be realized, the damage to the rear longitudinal beam, the rear coaming and the peripheral parts during rear collision is reduced, and the safety of drivers and passengers is improved.
The above describes in detail optional embodiments of the present invention with reference to the accompanying drawings, however, the embodiments of the present invention are not limited to the details of the above embodiments, and within the technical concept scope of the embodiments of the present invention, it is possible to perform various simple modifications on the technical solutions of the embodiments of the present invention, and these simple modifications all belong to the protection scope of the embodiments of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the embodiments of the present invention will not be described in detail with respect to various possible combinations.
In addition, various different embodiments of the present invention can be combined arbitrarily, and the embodiments of the present invention should be considered as disclosed in the embodiments of the present invention as long as the embodiments do not depart from the spirit of the embodiments of the present invention.
Claims (10)
1. The utility model provides a rear longitudinal member additional strengthening of vehicle which characterized in that, rear longitudinal member additional strengthening includes from the back to the front set gradually:
a rear impact beam (1);
the rear end of the rear energy absorption box (2) is fixedly connected with the end part of the rear anti-collision beam (1);
a back panel (3); and
rear floor (4) and back longeron (5), back longeron (5) are located the below on rear floor (4), the front end of back energy-absorbing box (2) with the rear end fixed connection of back longeron (5), be equipped with longeron reinforcement (6) on back longeron (5), longeron reinforcement (6) fixed connection respectively back longeron (5) back floor (4) with back bounding wall (3).
2. The vehicle rear side member reinforcing structure according to claim 1, wherein a rear energy absorption box flange plate (7) located on a rear side of the rear panel (3) is connected to a front end of the rear energy absorption box (2), a rear side member flange plate (8) located on a front side of the rear panel (3) is connected to a rear end of the rear side member (5), and the rear side member flange plate (8) and the rear energy absorption box flange plate (7) are fixedly connected to the front side and the rear side of the rear panel (3), respectively.
3. The rear side member reinforcing structure of a vehicle according to claim 2, wherein the side member reinforcement (6) is a plate-shaped reinforcement and includes a horizontal web (61) and a vertical burring (62) that is turned upward from a rear end of the horizontal web (61);
the horizontal connecting plate (61) covers the rear longitudinal beam (5) and is respectively fixedly connected with the rear longitudinal beam (5) and the rear floor (4), and the vertical flanging part (62) is respectively fixedly connected with the rear floor (4), the rear coaming (3) and the rear longitudinal beam flange plate (8).
4. The rear side member reinforcing structure of a vehicle according to claim 3, wherein the side member reinforcement (6) further includes a reinforcing bead (63) connecting the horizontal connecting plate (61) and the vertical burring (62).
5. The rear side member reinforcing structure of a vehicle according to claim 3, wherein the rear side member (5) is a recessed beam having a recess opening directed upward, the horizontal connecting plate (61) includes a horizontal connecting plate middle portion (611) covering above the recess of the rear side member (5) and horizontal connecting plate side portions (612) covering above both side edges of the rear side member (5) projecting laterally, the horizontal connecting plate middle portion (611) is fixedly connected to the rear floor (4), and the horizontal connecting plate side portions (612) are fixedly connected to both side edges of the rear side member (5) projecting laterally and the rear floor (4), respectively.
6. The rear side member reinforcing structure of a vehicle according to claim 5, wherein the side member reinforcement (6) is welded and fixed to the rear side member (5), the rear floor panel (4), the back panel (3), and the rear side member flange plate (8).
7. The rear side member reinforcing structure for a vehicle according to claim 6, wherein at least a plurality of longitudinal lap welds are formed at the horizontal connecting plate side edge portion (612) so as to be spaced apart in a front-rear direction and welded to a recessed outer side wall of the rear side member (5).
8. The rear side member reinforcing structure of a vehicle according to claim 6, wherein at least a plurality of transverse lap welds arranged at a spacing in a transverse direction of the rear side member (5) are formed on the vertical burring (62).
9. The rear side member reinforcing structure of a vehicle according to claim 8, wherein a top edge of the vertical burring portion (62) extends upward beyond a top edge of the rear side member flange panel (8), and side edges of both sides of the vertical burring portion (62) extend laterally beyond respective side edges of the rear side member flange panel (8).
10. A vehicle characterized by comprising the rear side member reinforcing structure of the vehicle according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921367433.5U CN210852643U (en) | 2019-08-21 | 2019-08-21 | Rear side member reinforcing structure of vehicle and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921367433.5U CN210852643U (en) | 2019-08-21 | 2019-08-21 | Rear side member reinforcing structure of vehicle and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210852643U true CN210852643U (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921367433.5U Active CN210852643U (en) | 2019-08-21 | 2019-08-21 | Rear side member reinforcing structure of vehicle and vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN210852643U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116039771A (en) * | 2023-01-20 | 2023-05-02 | 中国第一汽车股份有限公司 | Vehicle body structure capable of being pulled to external cross beam and vehicle with same |
-
2019
- 2019-08-21 CN CN201921367433.5U patent/CN210852643U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116039771A (en) * | 2023-01-20 | 2023-05-02 | 中国第一汽车股份有限公司 | Vehicle body structure capable of being pulled to external cross beam and vehicle with same |
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