Front floor assembly structure of new energy automobile

By designing the front floor assembly structure for new energy vehicles, using common components from the front seat crossbeam assembly, rear seat crossbeam assembly, and skid plate, and combining an axisymmetric structure, the problems of high development costs and long development cycles of the front floor structure were solved, achieving lightweight and stable force transmission effects.

CN223605691UActive Publication Date: 2025-11-28江苏开沃汽车有限公司
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Patent Information

Application Number
CN202520095993.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2025-11-28
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

The existing front floor structure of new energy vehicles has high development costs and long development cycles for replacement, and it is difficult to meet the requirements of lightweight, high strength and intelligent design. At the same time, it has high performance requirements in terms of vibration resistance, sound insulation and corrosion resistance.

Method used

The design adopts a common component design for the front crossbeam assembly, rear crossbeam assembly, and skid plate of the seat. Combined with an axisymmetric structure, the front floor assembly structure of the new energy vehicle is formed by spot welding, including the front floor panel, the front crossbeam assembly, the rear crossbeam assembly, and the skid plate, to ensure that the force transmission direction is reasonable.

Benefits of technology

A new energy vehicle front floor assembly with simple structure, low cost and stability has been achieved, which meets the requirements of lightweighting and improves the anti-collision performance and structural stability.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a new energy automobile front floor assembly structure which comprises a front floor panel, a seat front cross beam assembly, a seat rear cross beam assembly and a sled plate, and the seat front cross beam assembly and the seat rear cross beam assembly are welded to the middle of the front floor panel. The seat front cross beam assembly comprises a seat front cross beam sub-assembly and a middle channel reinforcing assembly which are welded together, and the sled plates are welded to the front floor panel at intervals and located on the two sides of the middle channel reinforcing assembly. The front floor assembly structure of the new energy automobile is not provided with a longitudinal beam structure, and the seat front cross beam assembly, the seat rear cross beam assembly and the sled plate are universal parts, so that the structure is simple; meanwhile, axial symmetry structural parts are adopted and are installed in a bilateral symmetry mode, and the manufacturing cost can be reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a new energy automobile front floor assembly structure and belongs to the technical field of automobiles. BACKGROUND

[0002] The rapid development of new energy vehicles not only promotes the transformation and upgrading of the automobile industry, but also makes an important contribution to achieving global energy saving and emission reduction goals. The front floor structure plays an important role in new energy vehicles. In the prior art, the front floor structure mainly bears the seat and the occupant, and needs to effectively absorb and transmit energy during a collision to protect the safety of the occupant. At the same time, the front floor also needs to consider the arrangement and protection of the battery pack to ensure the safety and stability of the battery system. Some high-end new energy vehicles use a new platform to develop the front floor structure to improve the generalization degree of parts and optimize the battery endurance performance. However, this development method often accompanies high replacement development costs and long replacement cycles. In addition, the front floor has high performance requirements for vibration prevention, sound insulation, corrosion prevention, and other properties to adapt to harsh working environments. With the continuous progress of technology, future front floor structures will focus more on lightweight, high-strength, and intelligent design to meet the rapid development needs of the new energy vehicle market. SUMMARY

[0003] The utility model provides a new energy automobile front floor assembly structure to solve the prior art problems, which can meet the lightweight requirements and has low manufacturing cost.

[0004] The technical scheme adopted by the utility model has the following: a new energy automobile front floor assembly structure, comprising a front floor panel, a seat front cross beam assembly, a seat rear cross beam assembly, and a snow shovel plate, the seat front cross beam assembly and the seat rear cross beam assembly are welded at the middle position of the front floor panel, the seat front cross beam assembly comprises a seat front cross beam sub-assembly and a middle channel reinforcing joint welded together, and the snow shovel plate is welded on the front floor panel at intervals and located at the positions on both sides of the middle channel reinforcing joint.

[0005] Further, the seat front cross beam sub-assembly comprises a seat front cross beam body joint and a seat front cross beam connecting plate welded at both ends of the length direction of the seat front cross beam body joint.

[0006] Further, the seat rear cross beam assembly comprises a seat rear cross beam sub-assembly and a seat rear cross beam left reinforcing plate and a seat rear cross beam right reinforcing plate welded below the seat rear cross beam sub-assembly and spaced apart.

[0007] Further, the seat rear cross beam assembly comprises a seat rear cross beam body assembly and spaced apart left rear mounting bracket assembly of main driver seat, right rear mounting bracket assembly of main driver seat, left rear mounting bracket assembly of co-driver seat and right rear mounting bracket assembly of co-driver seat welded on one side surface of the seat rear cross beam body assembly, wherein the right rear mounting bracket assembly of main driver seat and the left rear mounting bracket assembly of co-driver seat are located at the middle position of the left rear mounting bracket assembly of main driver seat and the right rear mounting bracket assembly of co-driver seat.

[0008] Further, the seat rear cross beam body assembly is provided with a seat rear cross beam left connecting plate and a seat rear cross beam right connecting plate welded on two ends in the length direction of the seat rear cross beam body assembly.

[0009] Further, the seat rear cross beam left connecting plate and the seat rear cross beam right connecting plate are symmetrically installed.

[0010] Further, the left rear mounting bracket assembly of main driver seat and the right rear mounting bracket assembly of co-driver seat are symmetrically installed.

[0011] Further, the right rear mounting bracket assembly of main driver seat and the left rear mounting bracket assembly of co-driver seat are symmetrically installed.

[0012] Further, the seat rear cross beam left reinforcing plate and the seat rear cross beam right reinforcing plate are symmetrically installed.

[0013] Further, the seat front cross beam body assembly and the seat rear cross beam body assembly are both provided with a "J" shaped structure.

[0014] The utility model has the advantages of:

[0015] (1) the utility model discloses a new energy automobile front floor assembly structure without longitudinal beam structure, and the seat front cross beam assembly, the seat rear cross beam assembly and the snow shovel plate adopt general parts, which are simple in structure.

[0016] (2) the utility model discloses a new energy automobile front floor assembly structure adopts an axisymmetric structure, and is symmetrically installed, which can reduce the manufacturing cost. DRAWINGS:

[0017] Figure 1 It is a new energy automobile front floor assembly structure schematic view.

[0018] Figure 2 It is a new energy automobile front floor assembly structure exploded schematic view.

[0019] Figure 3 It is a seat front cross beam assembly schematic view.

[0020] Figure 4It is a schematic view of seat rear cross beam assembly.

[0021] Figure 5 It is a schematic view of seat rear cross beam assembly and snow shovel plate. DETAILED DESCRIPTION

[0022] The utility model makes further explanation in combination with the drawings.

[0023] The utility model discloses a new energy automobile front floor assembly structure, including front floor panel 1, seat front cross beam assembly 2, seat rear cross beam assembly 3 and snow shovel plate 4.

[0024] Seat front cross beam assembly 2 and seat rear cross beam assembly 3 are welded in the middle position of front floor panel 1 by spot welding, and seat front cross beam assembly 2 includes seat front cross beam subassembly 2.1 and middle channel reinforcing joint 2.2 welded together.Snow shovel plate 4 is spaced apart and welded on front floor panel 1 and is located the position of the both sides of middle channel reinforcing joint 2.2.Seat front cross beam subassembly 2.1 includes seat front cross beam body joint 2.1.1 and the seat front cross beam connecting plate 2.1.2 welded in the length direction both ends of seat front cross beam body joint 2.1.1.

[0025] Seat rear cross beam assembly 3 includes seat rear cross beam subassembly 3.1 and the seat rear cross beam left reinforcing plate 3.2 and seat rear cross beam right reinforcing plate 3.3 spaced apart and welded below seat rear cross beam subassembly 3.1.Seat rear cross beam subassembly 3.1 includes seat rear cross beam body joint 3.1.1 and the main driver seat left rear mounting bracket assembly 3.1.4, main driver seat right rear mounting bracket assembly 3.1.5, vice driver seat left rear mounting bracket assembly 3.1.6 and vice driver seat right rear mounting bracket assembly 3.1.7 spaced apart and welded on the side surface of seat rear cross beam body joint 3.1.1.Main driver seat right rear mounting bracket assembly 3.1.5, vice driver seat left rear mounting bracket assembly 3.1.6 are located the middle position of main driver seat left rear mounting bracket assembly 3.1.4 and vice driver seat right rear mounting bracket assembly 3.1.7.The both ends of seat rear cross beam body joint 3.1.1 in the length direction are welded with seat rear cross beam left connecting plate 3.1.2 and seat rear cross beam right connecting plate 3.1.3 respectively.

[0026] The snow shovel plate 4 and the seat front cross beam connecting plate 2.1.2 are symmetrically installed, the seat rear cross beam left connecting plate 3.1.2 and the seat rear cross beam right connecting plate 3.1.3 are symmetrically installed, the main driver seat left rear mounting bracket assembly 3.1.4 and the co-driver seat right rear mounting bracket assembly 3.1.7 are symmetrically installed, the main driver seat right rear mounting bracket assembly 3.1.5 and the co-driver seat left rear mounting bracket assembly 3.1.6 are symmetrically installed, the seat rear cross beam left reinforcing plate 3.2 and the seat rear cross beam right reinforcing plate 3.3 are symmetrically installed, and the structural stability can be enhanced.

[0027] The seat front cross beam body assembly 2.1.1 and the seat rear cross beam body assembly 3.1.1 are both in a "J" type structure.

[0028] In the new energy automobile front floor assembly structure, the force transmission direction of the door sill to the front floor assembly is: door sill → seat front cross beam assembly 2 and seat rear cross beam assembly 3 → snow shovel plate 4, main driver seat right rear mounting bracket assembly 3.1.5 and co-driver seat left rear mounting bracket assembly 3.1.6 → front floor panel 1. The floor column impact force transmission direction is: seat front cross beam assembly 2 and seat rear cross beam assembly 3 → snow shovel plate 4, main driver seat right rear mounting bracket assembly 3.1.5 and co-driver seat left rear mounting bracket assembly 3.1.6 → front floor panel 1. Therefore, the new energy automobile front floor assembly structure fully considers the force transmission, and the crashworthiness is better.

[0029] The above only describes the preferred embodiments of the utility model, and it should be noted that, for ordinary skilled in the art, without departing from the principles of the utility model, a number of improvements can be made, and these improvements should also be considered as the protection scope of the utility model.

Claims

1. A front floor assembly structure for a new energy vehicle, characterized in that: The front floor panel (1), the seat front cross beam assembly (2), the seat rear cross beam assembly (3) and the snow shovel plate (4), the seat front cross beam assembly (2) and the seat rear cross beam assembly (3) are welded to the middle position of the front floor panel (1), the seat front cross beam assembly (2) includes the seat front cross beam sub-assembly (2.1) and the middle channel reinforcing joint (2.2) welded together, the snow shovel plate (4) is spaced apart and welded to the front floor panel (1) and located at the position on both sides of the middle channel reinforcing joint (2.2).

2. The new energy vehicle front floor assembly structure of claim 1, wherein: The seat front cross beam sub-assembly (2.1) includes the seat front cross beam body joint (2.1.1) and the seat front cross beam connecting plate (2.1.2) welded to the length direction of both ends of the seat front cross beam body joint (2.1.1).

3. The new energy vehicle front floor assembly structure of claim 2, wherein: The seat rear cross beam assembly (3) includes the seat rear cross beam sub-assembly (3.1) and the seat rear cross beam left reinforcing plate (3.2) and the seat rear cross beam right reinforcing plate (3.3) spaced apart and welded below the seat rear cross beam sub-assembly (3.1).

4. The new energy vehicle front floor assembly structure of claim 3, wherein: The seat rear cross beam sub-assembly (3.1) includes the seat rear cross beam body joint (3.1.1) and the main driver seat left rear mounting bracket assembly (3.1.4), the main driver seat right rear mounting bracket assembly (3.1.5), the co-driver seat left rear mounting bracket assembly (3.1.6) and the co-driver seat right rear mounting bracket assembly (3.1.7) spaced apart and welded to the side surface of the seat rear cross beam body joint (3.1.1), the main driver seat right rear mounting bracket assembly (3.1.5) and the co-driver seat left rear mounting bracket assembly (3.1.6) are located at the middle position of the main driver seat left rear mounting bracket assembly (3.1.4) and the co-driver seat right rear mounting bracket assembly (3.1.7).

5. The new energy vehicle front floor assembly structure of claim 4, wherein: The seat rear cross beam body joint (3.1.1) is respectively welded with the seat rear cross beam left connecting plate (3.1.2) and the seat rear cross beam right connecting plate (3.1.3) at both ends of the length direction.

6. The new energy vehicle front floor assembly structure of claim 5, wherein: The seat rear cross beam left connecting plate (3.1.2) and the seat rear cross beam right connecting plate (3.1.3) are symmetrically installed.

7. The new energy vehicle front floor assembly structure of claim 6, wherein: The main driver seat left rear mounting bracket assembly (3.1.4) and the co-driver seat right rear mounting bracket assembly (3.1.7) are symmetrically installed.

8. The new energy vehicle front floor assembly structure of claim 7, wherein: The main driver seat right rear mounting bracket assembly (3.1.5) and the co-driver seat left rear mounting bracket assembly (3.1.6) are symmetrically installed.

9. The new energy vehicle front floor assembly structure of claim 8, wherein: The seat rear cross beam left reinforcing plate (3.2) and the seat rear cross beam right reinforcing plate (3.3) are symmetrically installed.

10. The new energy vehicle front floor assembly structure of claim 9, wherein: The cross section of the seat front cross beam body joint (2.1.1) and the seat rear cross beam body joint (3.1.1) is a "J" type structure.