Lightweight rear seat installation structure and vehicle

Abstract

The present application discloses a lightweight rear seat installation structure and vehicle, including an aluminum alloy frame, a support panel, a reinforcement plate and an anti-diving bracket, wherein the support panel is fixed on the surface of the aluminum alloy frame, the front end of the aluminum alloy frame is fixedly connected to the top of multiple support beams, and the bottom end of the support beam is fixedly connected to the middle floor cross beam; the front edge of the reinforcement plate is fixedly connected to the rear of the aluminum alloy frame, the rear edge of the reinforcement plate is fixedly connected to the rear floor cross beam, and the reinforcement plate is provided with a plurality of first mounting holes for fixing the seat assembly; the anti-diving bracket is fixedly connected to the upper side of the front edge of the aluminum alloy frame. It can ensure the rigidity, strength and mode of the seat installation point, greatly reduce the weight of the installation structure, and has good versatility.

Description

Technical Field

[0001] The invention relates to a car seat, and in particular to a lightweight rear seat installation structure and a vehicle. Background Art

[0002] In the conventional steel car body of the prior art, the rear seat mounting structure is mostly a seat mounting crossbeam, rear seat hook mounting plate, rear floor, middle floor, etc., which are welded into an assembly, and then welded with the lower body assembly into a whole. The rear seat mounting structure is a self-welded structure, and the overall structural strength and rigidity are weak, and the modal is low, which affects the safety and comfort of the passengers. In addition, the traditional steel car body structure meets the rigidity strength of the mounting point, but the weight reduction effect is not obvious enough, and it cannot be modularly applied to the platform car body, and the versatility is poor. Summary of the invention

[0003] The purpose of this application is to provide a lightweight rear seat mounting structure and vehicle, which can ensure the stiffness, strength and mode of the seat mounting point, greatly reduce the weight of the mounting structure, and have good versatility.

[0004] The lightweight rear seat mounting structure described in the present invention includes an aluminum alloy frame, a support panel, a reinforcement plate and an anti-diving bracket, the support panel is fixed on the surface of the aluminum alloy frame, the front end of the aluminum alloy frame is fixedly connected to the top ends of multiple support beams, and the bottom ends of the support beams are fixedly connected to the middle floor crossbeam; the front edge of the reinforcement plate is fixedly connected to the rear of the aluminum alloy frame, and the rear edge of the reinforcement plate is fixedly connected to the rear floor crossbeam, and a plurality of first mounting holes for fixing the seat assembly are provided on the reinforcement plate; the anti-diving bracket is fixedly connected to the upper side of the front edge of the aluminum alloy frame.

[0005] Furthermore, the aluminum alloy frame includes a front cross beam, a left longitudinal beam, a middle longitudinal beam, a right longitudinal beam and a rear cross beam, the front ends of the left longitudinal beam, the middle longitudinal beam and the right longitudinal beam are respectively fixedly connected to the left end, the middle part and the right end of the front cross beam, the rear cross beam includes a first rear cross beam and a second rear cross beam, the left and right ends of the first rear cross beam are respectively fixedly connected to the rear parts of the left longitudinal beam and the middle longitudinal beam, and the left and right ends of the second rear cross beam are respectively fixedly connected to the rear parts of the middle longitudinal beam and the right longitudinal beam.

[0006] Furthermore, two or more mounting brackets are fixed to the front end of the aluminum alloy frame, and the mounting brackets are provided with second mounting holes for fixing the seat assembly.

[0007] Furthermore, the second mounting hole on at least one mounting bracket is a strip-shaped hole, and the second mounting holes on the remaining mounting brackets are round holes.

[0008] Furthermore, two seat belt mounting parts are fixedly connected to the reinforcing plate, and the seat belt mounting parts are provided with a third mounting hole for fixing the seat belt buckle.

[0009] Furthermore, child seat mounting points are provided at the left and right ends of the reinforcement plate.

[0010] Furthermore, the reinforcing plate is provided with weight-reducing through holes.

[0011] Furthermore, the bottom end of the support beam and the middle floor beam, and the rear edge of the reinforcement plate and the rear floor beam are fixed by FDS riveting, bolting or welding.

[0012] A vehicle comprises a rear seat, wherein the rear seat comprises the above-mentioned lightweight rear seat mounting structure.

[0013] Compared with the prior art, the present invention has the following beneficial effects.

[0014] 1. The frame of the present invention is made of aluminum alloy material, which greatly reduces the overall weight of the installation structure. Compared with the steel frame structure, the weight is reduced by 15-25%, meeting the lightweight requirements of the vehicle body. The reinforcing plate is provided with a first mounting hole, which provides a mounting point for the assembly of the seat assembly. The anti-diving bracket is fixedly connected to the upper side of the front edge of the aluminum alloy frame, which can stably realize the anti-diving function. By adjusting the vertical height of the anti-diving bracket, the performance requirements of different models can be met, which saves development time and development costs, and has good versatility.

[0015] 2. The front end of the aluminum alloy frame of the present invention is fixedly connected to the middle floor beam through a support beam, and the rear end is fixedly connected to the rear floor beam through a reinforcing plate, which improves structural stability while achieving lightweight and ensures the overall stiffness, strength and modality of the installation structure.

[0016] 3. The present invention can adjust the height of the R point of the seat by adjusting the height of the support beam, thereby meeting the seat size requirements of different vehicle models and having good versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the present invention;

[0018] Figure 2 It is a structural schematic diagram of the aluminum alloy frame of the present invention;

[0019] Figure 3 is a schematic structural diagram of the reinforcing plate of the present invention;

[0020] Figure 4 It is a schematic diagram of the assembly of the mounting structure of the present invention and the vehicle body.

[0021] In the figure, 1 is an aluminum alloy frame, 11 is a front cross beam, 12 is a left longitudinal beam, 13 is a middle longitudinal beam, 14 is a right longitudinal beam, 15 is a first rear cross beam, 16 is a second rear cross beam, 2 is a support panel, 3 is a reinforcement plate, 31 is a first mounting hole, 32 is a child seat mounting point, 33 is a weight reduction through hole, 4 is an anti-diving bracket, 5 is a support beam, 6 is a seat belt mounting part, 61 is a third mounting hole, 7 is a mounting bracket, 71 is a second mounting hole, 8 is a middle floor cross beam, and 9 is a rear floor cross beam. DETAILED DESCRIPTION

[0022] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0023] See also Figure 1 and Figure 4 The lightweight rear seat mounting structure shown in the figure includes an aluminum alloy frame 1, a support panel 2, a reinforcement plate 3 and an anti-diving bracket 4. The support panel 2 is fixed to the surface of the aluminum alloy frame 1 by FDS riveting. The front end of the aluminum alloy frame 1 is welded and fixed to the top ends of three support beams 5, and the bottom ends of the support beams 5 are welded and fixed to the middle floor crossbeam 8.

[0024] See also Figure 2 The aluminum alloy frame 1 includes a front cross beam 11, a left longitudinal beam 12, a middle longitudinal beam 13, a right longitudinal beam 14 and a rear cross beam. The front ends of the left longitudinal beam 12, the middle longitudinal beam 13 and the right longitudinal beam 14 are respectively welded and fixed to the left end, the middle part and the right end of the front cross beam 11. The rear cross beam includes a first rear cross beam 15 and a second rear cross beam 16. The left and right ends of the first rear cross beam 15 are respectively welded and fixed to the rear of the left longitudinal beam 12 and the middle longitudinal beam 13. The left and right ends of the second rear cross beam 16 are respectively welded and fixed to the rear of the middle longitudinal beam 13 and the right longitudinal beam 14. The frame is made of aluminum alloy material, which greatly reduces the overall weight of the mounting structure. Compared with the steel frame structure, the weight is reduced by 15-25%, meeting the lightweight requirements of the vehicle body. In addition, the setting of the frame structure ensures the overall stiffness, strength and mode of the mounting structure and improves the structural stability. The seat R point height can also be adjusted by adjusting the height of the support beam 5, which meets the seat size requirements of different models and has good versatility.

[0025] Two mounting brackets 7 are fixed at the front end of the aluminum alloy frame 1, and the mounting brackets 7 are provided with second mounting holes 71 for fixing the seat assembly. The second mounting hole 71 on one mounting bracket 7 is a strip hole, and the second mounting hole 71 on the other mounting bracket 7 is a round hole. During assembly, preliminary positioning is performed through the round hole to ensure the assembly position accuracy of the seat assembly; and the provision of the strip hole allows the mounting bracket to have a certain assembly margin, thereby being able to meet the assembly requirements of seat assemblies of different models, and having good versatility.

[0026] join Figure 3The front edge of the reinforcing plate 3 is welded and fixed to the rear of the aluminum alloy frame 1, and the rear edge is welded and fixed to the rear floor crossbeam 9. The reinforcing plate 3 is provided with a plurality of first mounting holes 31 for fixing the seat assembly. Two seat belt mounting members 6 are fixedly connected to the reinforcing plate, and the seat belt mounting members 6 are provided with third mounting holes 61 for fixing the seat belt buckle. The left and right ends of the reinforcing plate 3 are provided with child seat mounting points 32. In order to enhance the strength and rigidity of the third mounting hole 61 and the child seat mounting point 32, at least one reinforcing member with a material thickness of not less than 1.2 mm is arranged at the third mounting hole 61 and the child seat mounting point 32.

[0027] Under the premise of ensuring that the structural strength of the reinforcing plate 3 meets the requirements, in order to further reduce the weight of the reinforcing plate 3, weight-reducing through holes 33 are provided on the reinforcing plate 3, and the number and size of the weight-reducing through holes 33 are reasonably set according to actual performance requirements.

[0028] The anti-submarine bracket 4 is welded and fixed to the upper side of the front edge of the aluminum alloy frame 1. The anti-submarine function requirements of different vehicle models can be met by adjusting the vertical height of the anti-submarine bracket 4, which saves development time and development costs and has good versatility.

[0029] The frame of the present invention is made of aluminum alloy material, and the reinforcing plate 3, anti-submarine bracket 4, support beam 5, safety belt mounting piece 6 and mounting bracket 7 are made of steel. By using steel and aluminum in combination, the lightweight of the mounting structure is achieved while ensuring the structural strength of the corresponding mounting point.

[0030] A vehicle comprises a rear seat, wherein the rear seat comprises the above-mentioned lightweight rear seat mounting structure.

[0031] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A lightweight rear seat installation structure, characterized in that: It comprises an aluminum alloy frame (1), a support panel (2), a reinforcement plate (3) and an anti-diving bracket (4), wherein the support panel (2) is fixed on the surface of the aluminum alloy frame (1), the front end of the aluminum alloy frame (1) is fixedly connected to the top ends of a plurality of support beams (5), and the bottom ends of the support beams (5) are fixedly connected to a middle floor cross beam (8); the front edge of the reinforcement plate (3) is fixedly connected to the rear of the aluminum alloy frame (1), the rear edge of the reinforcement plate is fixedly connected to the rear floor cross beam (9), and the reinforcement plate (3) is provided with a plurality of first mounting holes (31) for fixing the seat assembly; and the anti-diving bracket (4) is fixedly connected to the upper side of the front edge of the aluminum alloy frame (1); The aluminum alloy frame (1) comprises a front cross beam (11), a left longitudinal beam (12), a middle longitudinal beam (13), a right longitudinal beam (14) and a rear cross beam, the front ends of the left longitudinal beam (12), the middle longitudinal beam (13) and the right longitudinal beam (14) being fixedly connected to the left end, the middle part and the right end of the front cross beam (11) respectively, the rear cross beam comprising a first rear cross beam (15) and a second rear cross beam (16), the left and right ends of the first rear cross beam (15) being fixedly connected to the rear parts of the left longitudinal beam (12) and the middle longitudinal beam (13) respectively, and the left and right ends of the second rear cross beam (16) being fixedly connected to the rear parts of the middle longitudinal beam (13) and the right longitudinal beam (14) respectively.

2. The lightweight rear seat installation structure according to claim 1, characterized in that: Two or more mounting brackets (7) are fixed to the front end of the aluminum alloy frame (1), and the mounting brackets (7) are provided with second mounting holes (71) for fixing the seat assembly.

3. The lightweight rear seat installation structure according to claim 2, characterized in that: The second mounting hole (71) on at least one mounting bracket (7) is a strip-shaped hole, and the second mounting holes (71) on the remaining mounting brackets (7) are round holes.

4. The lightweight rear seat installation structure according to claim 1, characterized in that: Two safety belt mounting members (6) are fixedly connected to the reinforcing plate (3), and the safety belt mounting members (6) are provided with third mounting holes (61) for fixing the safety belt buckles.

5. The lightweight rear seat installation structure according to claim 1, characterized in that: The left and right ends of the reinforcement plate (3) are both provided with child seat mounting points (32).

6. The lightweight rear seat installation structure according to claim 1, characterized in that: The reinforcing plate (3) is provided with a weight-reducing through hole (33).

7. The lightweight rear seat installation structure according to claim 1, characterized in that: The bottom end of the support beam (5) and the middle floor cross beam (8), and the rear edge of the reinforcement plate (3) and the rear floor cross beam (9) are fixed by FDS riveting, bolt connection or welding.

8. A vehicle, comprising a rear seat, characterized in that: The rear seat comprises the lightweight rear seat mounting structure according to any one of claims 1 to 7.

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