CN110962947A - Girder reinforcing plate structure - Google Patents
Girder reinforcing plate structure Download PDFInfo
- Publication number
- CN110962947A CN110962947A CN201811147400.XA CN201811147400A CN110962947A CN 110962947 A CN110962947 A CN 110962947A CN 201811147400 A CN201811147400 A CN 201811147400A CN 110962947 A CN110962947 A CN 110962947A
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- reinforcing plate
- girder
- assembly
- girder reinforcing
- fixed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/005—Arrangement or mounting of seats in vehicles, e.g. dismountable auxiliary seats
- B60N2/015—Attaching seats directly to vehicle chassis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Aviation & Aerospace Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a girder reinforcing plate structure which comprises a rear girder assembly, a rear girder reinforcing plate and a rear floor assembly, wherein the rear girder reinforcing plate is positioned between the rear floor assembly and the rear girder assembly, a cavity is arranged between the lower surface of the front end of the rear girder reinforcing plate and the upper surface of the front end of the rear girder assembly, the lower surface of the rear end of the rear girder reinforcing plate is fixed with the upper surface of the rear girder assembly, the upper surface of the rear girder reinforcing plate is fixed with the lower surface of the rear floor assembly, and a rear row seat in an automobile can be fixed on the front end of the corresponding rear girder reinforcing plate in a detachable manner. According to the girder reinforcing plate structure, the lower surface of the front end of the rear girder reinforcing plate is separated from the upper surface of the front end of the rear girder assembly, so that electrophoresis liquid is favorably induced to enter between the rear girder reinforcing plate and the rear girder assembly, the electrophoresis effect is improved, and the corrosion resistance of a vehicle body is prevented.
Description
Technical Field
The invention relates to a girder reinforcing plate structure, in particular to a girder reinforcing plate structure with a front seat mounting point.
Background
As shown in fig. 1 to 3, the rear frame assembly 01, which is an important component of a structural frame of a vehicle body, is usually provided with a rear frame reinforcing plate 02, and a seat mounting point 03 on the vehicle body is usually provided in a cavity of a beam-like component to ensure the performance of the seat mounting point 03. The middle-rear seat mounting point 03 close to the outer side of the vehicle body in the existing vehicle type is generally designed to be an independent bracket 05 welded on a floor assembly 04 (or a rear girder assembly 01); back girder reinforcing plate 02 designs for U type groove structure usually, and back girder reinforcing plate upper surface 07 is laminated with back girder assembly lower surface 06 almost completely, and the defect of the existence of this structure is mainly:
1. the seat mounting point 03 designed as the independent support 05 has fewer welding points due to the size limitation of parts and is distributed and concentrated, and when the seat is pulled, the stress distribution is concentrated on the support, so that the seat cannot be supported by the rear girder assembly 01 well;
2. the structure that the upper surface 06 of the rear girder assembly is attached to the lower surface 07 of the reinforcing plate of the rear girder is not beneficial to the entering of the electrophoretic fluid during coating, and the structure of a raised rib and the like is usually adopted during design so that the electrophoretic fluid can enter between the reinforcing plate and the girder, but the effect is limited;
3. the rear girder reinforcing plate 02 and the independent support 05 are of two independent part structures, the two parts are not directly connected with each other in an academic mode, the stress condition is independent, the performance requirement of a seat mounting point 03 on the independent support 05 is high, high-strength steel plates are required to be used as materials, some reinforcing structures are required to be designed generally, the reinforcing structures and the rear girder reinforcing plate 02 form a complex welding relation, the welding sequence of the rear girder reinforcing plate 02 and the independent support 05 generally exists, if the two parts and other parts also have the welding sequence, the welding relation is very complex, the problems that the number of the upper parts is large, the operation of workers is difficult and the like are caused.
Disclosure of Invention
The invention is completed for solving the defects in the prior art, and aims to provide a girder reinforcing plate structure which is characterized in that the lower surface of the front end of a rear girder reinforcing plate is separated from the upper surface of the front end of a rear girder assembly, so that electrophoresis liquid is favorably induced to enter between the rear girder reinforcing plate and the rear girder assembly, the electrophoresis effect is improved, and the corrosion resistance of a vehicle body is prevented.
The girder reinforcing plate structure comprises a rear girder assembly, a rear girder reinforcing plate and a rear floor assembly, wherein the rear girder reinforcing plate is positioned between the rear floor assembly and the rear girder assembly, a cavity is arranged between the lower surface of the front end of the rear girder reinforcing plate and the upper surface of the front end of the rear girder assembly, the lower surface of the rear end of the rear girder reinforcing plate is fixed with the upper surface of the rear girder assembly, the upper surface of the rear girder reinforcing plate is fixed with the lower surface of the rear floor assembly, and a rear row seat in an automobile can be fixed on the front end of the corresponding rear girder reinforcing plate in a detachable manner.
The girder reinforcing plate structure of the invention can also be as follows:
the front end of the rear girder reinforcing plate is provided with a seat mounting point, the rear floor assembly is provided with a mounting hole, the mounting hole corresponds to the seat mounting point up and down, the bottom of a mounting rod of a rear row seat in the automobile penetrates through the mounting hole, the rear row seat in the automobile can be fixed on the front end of the corresponding rear girder reinforcing plate in a detachable manner through the seat mounting point,
the automobile rear-row seat is characterized in that mounting nuts are fixedly arranged on the seat mounting points, flange surfaces are arranged at the upper ends of the mounting nuts, and the rear-row seat in the automobile can be detachably fixed at the front ends of the corresponding rear girder reinforcing plates through the seat mounting points and the corresponding mounting nuts.
The rear girder assembly front end with be equipped with the frame installing support between the rear floor assembly front end fixedly, frame installing support upper end with rear girder reinforcing plate front end lower surface fixed connection, the frame installing support lower tip with rear girder assembly front end upper surface fixed connection, rear girder reinforcing plate front end lower surface with pass through between the rear girder assembly front end upper surface the frame installing support forms the cavity.
The rear girder assembly is characterized in that a first flanging extending upwards is arranged on the outer side of the rear end of the rear girder assembly, a second flanging extending upwards is arranged on the outer side of the rear end of the rear girder reinforcing plate, and the second flanging is fixed on the inner side of the first flanging.
The second flanging is fixed on the inner side of the first flanging through resistance welding.
The rear girder reinforcing plate is manufactured by adopting a high-strength steel cold forming process.
And a liquid discharge hole is formed between the rear end of the rear girder reinforcing plate and the rear end of the corresponding rear girder assembly.
The girder reinforcing plate structure comprises a rear girder assembly, a rear girder reinforcing plate and a rear floor assembly, wherein the rear girder reinforcing plate is positioned between the rear floor assembly and the rear girder assembly, a cavity is arranged between the lower surface of the front end of the rear girder reinforcing plate and the upper surface of the front end of the rear girder assembly, the lower surface of the rear end of the rear girder reinforcing plate is fixed with the upper surface of the rear girder assembly, the upper surface of the rear girder reinforcing plate is fixed with the lower surface of the rear floor assembly, and a rear row seat in an automobile can be fixed on the front end of the corresponding rear girder reinforcing plate in a detachable manner. Like this, on the one hand, vacuole formation between back girder reinforcing plate front end lower surface and the back girder assembly front end upper surface, back girder reinforcing plate upper surface is fixed with the laminating of back floor assembly lower surface, utilize the difference in height of back girder assembly front end and back girder assembly rear end, back girder assembly front end forms the cavity with back girder reinforcing plate front end, back girder reinforcing plate front end lower surface leaves the sky with back girder assembly front end upper surface, be favorable to inducing between electrophoresis liquid gets into back girder reinforcing plate and the back girder assembly, promote the electrophoresis effect, prevent automobile body corrosion protection performance. On the other hand, the rear girder reinforcing plate is positioned between the rear floor assembly and the rear girder assembly, the rear row seats in the automobile can be fixed on the front end of the corresponding rear girder reinforcing plate in a release manner, when the rear row seats in the automobile are under tension, the tension is transmitted to the girder reinforcing plate, under the action of the girder reinforcing plate, the stress is more uniform, and the mounting strength of the rear row seats in the automobile is improved. Compared with the prior art, the girder reinforcing plate structure has the advantages that: the lower surface of the front end of the rear girder reinforcing plate is separated from the upper surface of the front end of the rear girder assembly, so that electrophoresis liquid is favorably induced to enter between the rear girder reinforcing plate and the rear girder assembly, the electrophoresis effect is improved, and the corrosion resistance of a vehicle body is prevented.
Drawings
FIG. 1 is a schematic illustration of the installation of a girder reinforcing plate structure of the prior art.
FIG. 2 is a schematic cross-sectional view of the prior art girder stiffener structure of FIG. 1.
FIG. 3 is an exploded view of the girder reinforcement structure of the prior art of FIG. 1.
FIG. 4 is an exploded view of the girder stiffener structure of the present invention.
FIG. 5 is a schematic cross-sectional view of a girder stiffener structure of the present invention.
FIG. 6 is a rear end schematic cross-sectional view of a girder reinforcing plate structure of the invention.
FIG. 7 is a schematic view of the installation of the inventive girder stiffener structure.
Description of the figures
1 … rear girder assembly 2 … rear girder reinforcing plate 3 … rear floor assembly
4 … Cavity 5 … seat mounting Point 6 … mounting nut
7 … Flange face 8 … vehicle frame mounting support 9 … first flanging
10 … second flange 11 … mounting hole 12 … drain hole
Detailed Description
A girder reinforcing plate structure according to the present invention will be described in further detail with reference to fig. 4 to 7 of the accompanying drawings.
The girder reinforcing plate structure disclosed by the invention is shown in fig. 4 to 7 and comprises a rear girder assembly 1, a rear girder reinforcing plate 2 and a rear floor assembly 3, wherein the rear girder reinforcing plate 2 is positioned between the rear floor assembly 3 and the rear girder assembly 1, a cavity 4 is arranged between the lower surface of the front end of the rear girder reinforcing plate 2 and the upper surface of the front end of the rear girder assembly 1, the lower surface of the rear end of the rear girder reinforcing plate 2 is fixed with the upper surface of the rear girder assembly 1, the upper surface of the rear girder reinforcing plate 2 is fixed with the lower surface of the rear floor assembly 3, and rear seats in an automobile can be fixed on the front end of the corresponding rear girder reinforcing plate 2 in a detachable manner. Particularly, on the one hand, form cavity 4 between 2 front end lower surfaces of back girder reinforcing plate and the 1 front end upper surface of back girder assembly, 2 upper surfaces of back girder reinforcing plate are fixed with the laminating of 3 lower surfaces of back floor assembly, utilize the height difference of 1 front end of back girder assembly and the 1 rear end of back girder assembly, the cavity 4 is formed with 2 front ends of back girder reinforcing plate to 1 front end of back girder assembly, 2 front end lower surfaces of back girder reinforcing plate and the 1 front end upper surface of back girder assembly leave empty, be favorable to inducing between electrophoresis liquid gets into back girder reinforcing plate 2 and back girder assembly 1, promote the electrophoresis effect, prevent automobile body corrosion resisting property. On the other hand, the rear girder reinforcing plate 2 is positioned between the rear floor assembly 3 and the rear girder assembly 1, the rear row seats in the automobile can be fixed on the front end of the corresponding rear girder reinforcing plate 2 in a release manner, when the rear row seats in the automobile are under tension, the tension is transmitted to the girder reinforcing plate, under the action of the girder reinforcing plate, the stress is more uniform, and the installation strength of the rear row seats in the automobile is improved. Compared with the prior art, the advantages are as follows: the lower surface of the front end of the rear girder reinforcing plate 2 is separated from the upper surface of the front end of the rear girder assembly 1, so that electrophoresis liquid is favorably induced to enter between the rear girder reinforcing plate 2 and the rear girder assembly 1, the electrophoresis effect is improved, and the corrosion resistance of a vehicle body is prevented.
Referring to fig. 4 to 7, a girder reinforcing plate structure of the present invention may further include: rear frame reinforcing plate 2 front end is equipped with seat mounting point 5, be equipped with mounting hole 11 on the rear floor assembly 3, mounting hole 11 with seat mounting point 5 corresponds from top to bottom, the installation pole bottom of back row seat passes in the car mounting hole 11, back row seat passes through seat mounting point 5 releasable and fixes on corresponding rear frame reinforcing plate 2 front end in the car. Like this, seat mounting point 5 directly sets up on rear girder reinforcing plate 2 front end, cancel seat installation nut plate, reduce the sheet metal component, reduce part quantity, reduction in production cost, when the back row seat is installed in the car, the mounting hole 11 back is passed to the installation pole bottom of back row seat in the car, back row seat passes through seat mounting point 5 releasable in the car and fixes on rear girder reinforcing plate 2 front end, stress on the seat mounting point 5 directly transmits on rear girder reinforcing plate 2, utilize rear girder reinforcing plate 2 dispersion part stress, avoid seat mounting point 5's stress concentration. The further preferable technical scheme on the basis of the technical scheme described above is as follows: the automobile rear-row seat is characterized in that a mounting nut 6 is fixedly arranged on the seat mounting point 5, a flange face 7 is arranged at the upper end of the mounting nut 6, and a rear-row seat in an automobile can be detachably fixed at the front end of the corresponding rear girder reinforcing plate 2 through the seat mounting point 5 and the corresponding mounting nut 6. Thus, the mounting nut 6 is fixedly arranged on the seat mounting point 5, the upper end part of the mounting nut 6 is a flange surface 7, the stress area of the flange surface is increased, and the bottom of the mounting rod of the rear seat in the automobile can be detachably fixed at the front end of the corresponding rear girder reinforcing plate 2 by penetrating the mounting nut 6 and the seat mounting point 5 through bolts. And a mounting nut 6 can be fixedly arranged on the seat mounting point 5 by welding.
Referring to fig. 4 to 7, a girder reinforcing plate structure of the present invention may further include: the rear girder assembly comprises a rear girder assembly 1 and a rear floor assembly 3, wherein a frame mounting bracket 8 is fixedly arranged between the front end of the rear girder assembly 1 and the front end of the rear floor assembly 3, the upper end of the frame mounting bracket 8 is fixedly connected with the lower surface of the front end of a rear girder reinforcing plate 2, the lower end of the frame mounting bracket 8 is fixedly connected with the upper surface of the front end of the rear girder assembly 1, and the lower surface of the front end of the rear girder reinforcing plate 2 is fixedly connected with the upper surface of the front end of the rear girder assembly 1 through the frame mounting bracket 8 to form a cavity 4. Like this, be equipped with frame installing support 8 between rear frame assembly 1 front end and the 3 front ends of rear floor assembly fixedly, frame installing support 8 forms a complete connected frame with rear frame reinforcing plate 2 and rear frame assembly 1, this connected frame is when rear row seat atress transmits rear frame reinforcing plate 2 in the car, on rethread rear frame reinforcing plate 2 transmits rear frame assembly 1, the whole atress is even, and rear frame reinforcing plate 2 front end does not break away from rear frame assembly 1 completely, play the stiffening action through frame installing support 8 to rear frame assembly 1 between rear frame reinforcing plate 2 front end and the rear frame assembly 1 front end.
Referring to fig. 4 to 7, a girder reinforcing plate structure of the present invention may further include: the rear girder assembly comprises a rear girder reinforcing plate 2 and is characterized in that a first flanging 9 extending upwards is arranged on the outer side of the rear end of the rear girder assembly 1, a second flanging 10 extending upwards is arranged on the outer side of the rear end of the rear girder reinforcing plate 2, and the second flanging 10 is fixed on the inner side of the first flanging 9. Like this, the back girder assembly 1 rear end outside upwards extends and is equipped with first turn-ups 9, and the back girder reinforcing plate 2 rear end outside upwards extends and is equipped with corresponding second turn-ups 10, and second turn-ups 10 is fixed at first turn-ups 9 inboard, and second turn-ups 10 is fixed with the laminating of first turn-ups 9, strengthens back girder reinforcing plate 2 rear end lower surface and the laminating stability of back girder assembly 1 rear end upper surface. On the basis of the technical scheme described above, the following steps are further preferred: the second flange 10 is fixed to the inner side of the first flange 9 by resistance welding. Therefore, the second flanging 10 and the first flanging 9 are welded through resistance welding, and the resistance welding has the advantages of simple process, short heating time, concentrated heat, small heat fixation affected zone, small deformation and stress, low welding cost and the like, so that the second flanging 10 is fixed on the inner side of the first flanging 9 through resistance welding, and the attaching stability of the lower surface of the rear end of the rear girder reinforcing plate 2 and the upper surface of the rear end of the rear girder assembly 1 is further enhanced.
Referring to fig. 4 to 7, a girder reinforcing plate structure of the present invention may further include: the rear girder reinforcing plate 2 is manufactured by adopting a high-strength steel cold forming process. Therefore, the rear girder reinforcing plate 2 manufactured by the high-strength steel cold forming process has good forming and processing performances. The girder reinforcing plate 2 can also be made of B280VK material. Thus, the B280VK material is a high strength steel sheet and has good formability.
Referring to fig. 4 to 7, a girder reinforcing plate structure of the present invention may further include: and a liquid discharge hole 12 is formed between the rear end of the rear girder reinforcing plate 2 and the rear end of the corresponding rear girder assembly 1. As shown in fig. 6, the rear end of the rear girder reinforcing plate 2 and the rear end of the rear girder assembly 1 are provided with drain holes 12 at corresponding positions to serve as a drain passage for the electrophoretic fluid between the rear girder reinforcing plate 2 and the rear girder assembly 1, thereby further preventing the occurrence of corrosion.
The above description is only for the purpose of illustrating a few embodiments of the present invention, and should not be taken as limiting the scope of the present invention, in which equivalent changes, modifications, or scaling up or down, etc. made in accordance with the spirit of the present invention should be considered as falling within the scope of the present invention.
Claims (8)
1. A girder reinforcing plate structure is characterized in that: including back girder assembly (1), back girder reinforcing plate (2) and back floor assembly (3), back girder reinforcing plate (2) are located back floor assembly (3) with between back girder assembly (1), back girder reinforcing plate (2) front end lower surface with be equipped with cavity (4) between back girder assembly (1) the front end upper surface, back girder reinforcing plate (2) rear end lower surface with back girder assembly (1) upper surface fixed, back girder reinforcing plate (2) upper surface with back floor assembly (3) lower surface fixed, back row seat can be relieved the formula and fix and correspond in the car on back girder reinforcing plate (2) the front end.
2. A girder reinforcing plate structure according to claim 1, wherein: rear frame reinforcing plate (2) front end is equipped with seat mounting point (5), be equipped with mounting hole (11) on rear floor assembly (3), mounting hole (11) with seat mounting point (5) correspond from top to bottom, the installation pole bottom of back row seat passes in the car mounting hole (11), back row seat passes through seat mounting point (5) and can relieve the formula and fix on corresponding rear frame reinforcing plate (2) front end in the car.
3. A girder reinforcing plate structure according to claim 2, wherein: mounting nut (6) have set firmly on seat mounting point (5), mounting nut (6) upper end is equipped with flange face (7), back row seat passes through seat mounting point (5) and fixes at back girder reinforcing plate (2) front end that corresponds with mounting nut (6) releasable in the car.
4. A girder reinforcing plate structure according to claim 1, wherein: rear girder assembly (1) front end with it is fixed between rear floor assembly (3) front end to be equipped with frame installing support (8), frame installing support (8) upper end with rear girder reinforcing plate (2) front end lower fixed surface is connected, frame installing support (8) lower tip with rear girder assembly (1) front end upper surface fixed connection, rear girder reinforcing plate (2) front end lower surface with pass through between rear girder assembly (1) front end upper surface frame installing support (8) form cavity (4).
5. A girder reinforcing plate structure according to any one of claims 1 to 4, wherein: the rear girder reinforcing plate is characterized in that a first flanging (9) extending upwards is arranged on the outer side of the rear end of the rear girder assembly (1), a second flanging (10) extending upwards is arranged on the outer side of the rear end of the rear girder reinforcing plate (2), and the second flanging (10) is fixed to the inner side of the first flanging (9).
6. A girder reinforcing plate structure according to claim 5, wherein: the second flanging (10) is fixed on the inner side of the first flanging (9) through resistance welding.
7. A girder reinforcing plate structure according to any one of claims 1 to 4, wherein: the rear girder reinforcing plate (2) is manufactured by adopting a high-strength steel cold forming process.
8. A girder reinforcing plate structure according to any one of claims 1 to 4, wherein: and a liquid discharge hole (12) is formed between the rear end of the rear girder reinforcing plate (2) and the rear end of the corresponding rear girder assembly (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811147400.XA CN110962947A (en) | 2018-09-29 | 2018-09-29 | Girder reinforcing plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811147400.XA CN110962947A (en) | 2018-09-29 | 2018-09-29 | Girder reinforcing plate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110962947A true CN110962947A (en) | 2020-04-07 |
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ID=70027979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811147400.XA Pending CN110962947A (en) | 2018-09-29 | 2018-09-29 | Girder reinforcing plate structure |
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| Country | Link |
|---|---|
| CN (1) | CN110962947A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024069065A1 (en) * | 2022-09-29 | 2024-04-04 | Stellantis Auto Sas | Body for a motor vehicle comprising a small side member with a reinforcing part |
-
2018
- 2018-09-29 CN CN201811147400.XA patent/CN110962947A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024069065A1 (en) * | 2022-09-29 | 2024-04-04 | Stellantis Auto Sas | Body for a motor vehicle comprising a small side member with a reinforcing part |
| FR3140339A1 (en) * | 2022-09-29 | 2024-04-05 | Psa Automobiles Sa | Body for a motor vehicle comprising a spar with a reinforcing part |
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