Support frame structure for vehicle and vehicle equipped with such structure

Abstract

The utility model relates to a support frame structure used for a vehicle and the vehicle equipped with the same, the support frame structure used for the vehicle comprises a support frame body which is provided with a bottom wall, a side wall and a cavity formed between the bottom wall and the side wall; and the reinforcing piece is arranged in the cavity of the supporting frame body. According to the supporting frame structure for the vehicle, the reinforcing piece is additionally arranged in the cavity of the supporting frame body, and the strength, rigidity, NVH, durability and other performance of the supporting frame body can be enhanced.

Description

Technical Field

[0001] This utility model relates to the field of vehicles, and more particularly to a support frame structure for vehicles and a vehicle equipped with the structure. Background Technology

[0002] With the continuous development of automotive technology, the requirements for vehicle collision performance are becoming increasingly stringent. Taking side-impact collisions as an example, in the 2024 version of the China New Car Assessment Programme (C-NCAP), the collision speed increased from 50 km / h to 60 km / h, and the weight of the obstacle also increased to 1700 kg. Furthermore, this test is required for both traditional internal combustion engine vehicles (ICE) and new energy vehicles. In the 2023 version of the China Insurance Automotive Safety Index (C-IASI), the weight of the obstacle in side-impact collisions increased from 1500 kg to 1650 kg, and the required survival space increased from 125 mm to 180 mm.

[0003] Stricter collision safety requirements are prompting automakers to seek new technologies and manufacturing processes. In particular, with the increasing popularity of new energy vehicles, battery protection during collisions poses new challenges to vehicle body structures. In traditional body structures, support frames are widely used to support cross-sections, aiming to improve the rigidity and strength of the body. However, due to limitations in steel sheet manufacturing processes, traditional steel support frames must have notches to meet formability requirements. This affects the body's strength, rigidity, NVH (noise, vibration, and harshness), and durability to some extent. Specifically, when subjected to impact, whether through torsion or bending, traditional support frames tend to collapse from the notched areas.

[0004] Therefore, there is a need for further improvement of the existing support frame.

[0005] The information disclosed in the background section of this utility model is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that such information constitutes prior art known to those skilled in the art. Utility Model Content

[0006] The purpose of this utility model is to provide a support frame structure for vehicles and a vehicle equipped with the structure. The support frame structure for vehicles can enhance the strength, rigidity, NVH and durability of the support frame body.

[0007] According to a first aspect of the present invention, a support frame structure for a vehicle is provided, comprising: a support frame body having a bottom wall and side walls and a cavity formed between the bottom wall and side walls; and a reinforcing member disposed within the cavity of the support frame body.

[0008] Preferably, the support frame body is formed in the shape of a box with an opening on one side, and the side wall includes a first side wall, a second side wall, a third side wall and a fourth side wall extending from the bottom wall, wherein the third side wall and the fourth side wall are formed with electrophoresis holes, and a notch is formed at the junction of the side wall and the bottom wall; and an outwardly bent flange is formed at the top of the third side wall and the fourth side wall.

[0009] Preferably, the support frame structure further includes a sealing portion that covers the notch.

[0010] Preferably, the support frame structure for the vehicle further includes: structural adhesive, which is C-shaped and disposed on the flange.

[0011] Preferably, the support frame structure for the vehicle further includes: a foam body surrounding the electrophoresis aperture; wherein the foam body is capable of expanding by baking after electrophoresis to surround a portion of the electrophoresis aperture.

[0012] Preferably, the reinforcing member includes reinforcing ribs to increase the strength and rigidity of the support frame body.

[0013] Preferably, the support frame body is made of steel, and the reinforcing member is formed by plastic injection molding or metal injection molding.

[0014] Preferably, the support frame body and the reinforcing member are integrally formed by die casting of aluminum alloy or magnesium alloy.

[0015] Preferably, the reinforcing ribs are formed in a grid shape, which is composed of multiple triangles, multiple squares, multiple pentagons or multiple hexagons.

[0016] According to a second aspect of the present invention, a vehicle is provided, equipped with a support frame structure for a vehicle as described in the first aspect.

[0017] The support frame structure for vehicles of this invention adds reinforcing members inside the cavity of the support frame body, which can enhance the strength, rigidity, NVH and durability of the support frame body.

[0018] Furthermore, the sealing part of the support frame structure can cover the gap in the support frame body, which can further enhance the strength, rigidity, NVH and durability of the support frame body.

[0019] The device of this invention has other features and advantages that will be apparent from or will be set forth in detail in the accompanying drawings and subsequent embodiments incorporated herein, which together serve to explain the particular principles of this invention. Attached Figure Description

[0020] Figure 1 This is a structural schematic diagram of a support frame structure for a vehicle according to an embodiment of the present utility model;

[0021] Figure 2 This is a structural schematic diagram of a support frame structure for a vehicle according to an embodiment of the present invention, viewed from another perspective.

[0022] Figure 3 This is a structural schematic diagram of the support frame body;

[0023] Figure 4 This is a structural schematic diagram of the reinforcing component;

[0024] Figure 5 This is a schematic diagram of the structure of the structural adhesive;

[0025] Figure 6 This is a schematic diagram of the structure of a foam.

[0026] Figure 7 This is a cross-sectional view of the support frame structure and the sill beam 500 in the prior art;

[0027] Figure 8 This is a schematic diagram showing the position of the support frame structure for vehicles and the sill beam 500 according to the embodiment of this utility model. Figure 1 ;

[0028] Figure 9 This is a schematic diagram showing the position of the support frame structure for vehicles and the sill beam 500 according to the embodiment of this utility model. Figure 2 ;

[0029] Figure 10 This is a schematic diagram showing the position of the support frame structure for vehicles and the sill beam 500 according to the embodiment of this utility model. Figure 3 ;

[0030] Figure 11 This is a schematic diagram of another support frame structure for a vehicle according to an embodiment of the present utility model;

[0031] Figure 12 This is a schematic diagram of another type of reinforcing rib with a mesh-like structure;

[0032] Figure 13 This is a schematic diagram of another type of reinforcing rib with a mesh-like structure;

[0033] Figure 14 This is a schematic diagram of another type of reinforcing rib with a mesh-like structure.

[0034] Explanation of reference numerals in the attached figures:

[0035] 100. Support frame body; 101. Cavity; 102. Opening; 103. Notch; 103A. Notch; 103B. Notch; 103C. Notch; 103D. Notch; 104. Flange; 105. Electrophoresis hole; 106. Bottom wall; 107. Third side wall; 108. Fourth side wall; 109. First side wall; 110. Second side wall;

[0036] 200. Reinforcing component; 201. Sealing part; 202. Reinforcing rib;

[0037] 300, structural adhesive; 400, foam; 500, door sill beam.

[0038] It should be understood that the accompanying drawings are not necessarily drawn to scale, but rather present simplified representations of various features to illustrate the basic principles of this invention. The specific design features disclosed in this invention (including, for example, specific dimensions, orientations, positions, and shapes) will be determined in part by the specific application and environment in which they will be used.

[0039] Throughout these figures, the same reference numerals denote the same or equivalent parts of the present invention. Detailed Implementation

[0040] The present invention will now be described in detail with reference to various embodiments, examples of which are presented in the accompanying drawings and described below. Although the present invention will be described in conjunction with exemplary embodiments, it should be understood that this specification is not intended to limit the present invention to these exemplary embodiments. Rather, the present invention is intended to cover not only these exemplary embodiments, but also various alternatives, modifications, equivalents and other embodiments that may be included within the spirit of the present invention and the scope defined by the appended claims.

[0041] The following is combined Figures 1 to 14 The support frame structure for vehicles according to the present invention will be described. Here, "forward direction" refers to the direction towards the front of the vehicle (i.e., the forward direction), while "rearward direction" refers to the direction towards the rear of the vehicle (i.e., the direction opposite to the forward direction).

[0042] like Figures 1 to 4 As shown, the support frame structure for vehicles according to the present invention includes: a support frame body 100 and a reinforcing member 200.

[0043] The support frame body 100 has a bottom wall 106 and side walls, and a cavity 101 formed between the bottom wall 106 and the side walls.

[0044] The reinforcing member 200 is disposed in the cavity 101 of the support frame body 100.

[0045] The support frame structure for vehicles of this utility model adds a reinforcing member 200 inside the cavity 101 of the support frame body 100, which can enhance the strength, rigidity, NVH and durability of the support frame body 100.

[0046] like Figure 3 As shown, the support frame body 100 is formed in the shape of a box with an opening on one side. The sidewalls include a first sidewall 109, a second sidewall 110, a third sidewall 107, and a fourth sidewall 108 extending from the bottom wall 106. The support frame body 100 has an opening 102 corresponding to the bottom wall 106. The third sidewall 107 and the fourth sidewall 108 are formed with electrophoresis holes 105. The electrophoresis holes 105 can ensure that the electrophoretic paint can enter the interior of the vehicle body and hidden areas during the electrophoretic coating process, thereby providing corrosion protection for these areas. A notch 103 is formed at the junction of the sidewall and the bottom wall 106 (notches 103A, 103B, 103C, and 103D are shown exemplarily).

[0047] The top of the third sidewall 107 and the fourth sidewall 108 are formed with outwardly bent flanges 104.

[0048] Specifically, the bottom wall 106, the third side wall 107, the fourth side wall 108, the first side wall 109, and the second side wall 110 are integrally formed. When the support frame body 100 is installed on the vehicle body, the opening 102 faces the inside of the vehicle, the bottom wall 106 faces the outside of the vehicle, the first side wall 109 is located on the upper side, the second side wall 110 is located on the lower side, the third side wall 107 is located on the front side, and the fourth side wall 108 is located on the rear side. The outer edge of the third side wall 107 connects to the front edge of the bottom wall 106, the outer edge of the fourth side wall 108 connects to the rear edge of the bottom wall 106, the outer edge of the first side wall 109 connects to the upper edge of the bottom wall 106, and the outer edge of the second side wall 110 connects to the lower edge of the bottom wall 106, thus forming a cavity 101. Furthermore, the third side wall 107 is not connected to the first side wall 109 or the second side wall 110, and the fourth side wall 108 is not connected to the first side wall 109 or the second side wall 110. Due to the requirements of molding, a notch 103A will be formed at the corner where the bottom wall 106, the third side wall 107 and the first side wall 109 meet; a notch 103B will be formed at the corner where the bottom wall 106, the third side wall 107 and the second side wall 110 meet; a notch 103C will be formed at the corner where the bottom wall 106, the fourth side wall 108 and the first side wall 109 meet; and a notch 103D will be formed at the corner where the bottom wall 106, the fourth side wall 108 and the second side wall 110 meet.

[0049] In an exemplary embodiment, the support frame structure further includes a sealing portion 201 that covers the notch 103. By using the sealing portion 201 to cover the notch 103 of the support frame body 100, the strength, rigidity, NVH, and durability of the support frame body 100 can be further enhanced.

[0050] The sealing part 201 and the reinforcing part 200 are integrally formed.

[0051] like Figure 4 As shown, the sealing part 201 is provided with four parts to cover the gaps 103A, 103B, 103C and 103D respectively.

[0052] In an exemplary implementation, such as Figure 1 and Figure 2 As shown, the support frame structure for the vehicle further includes structural adhesive 300, such as... Figure 5 As shown, structural adhesive 300 is C-shaped and is applied to flange 104.

[0053] The structural adhesive 300 is disposed on the inner side of the cavity 101.

[0054] Specifically, structural adhesive 300 is disposed at the opening 102 of the cavity 101, and the opening of structural adhesive 300 faces outward.

[0055] Structural adhesive 300 is fixed to flange 104 by injection molding.

[0056] In an exemplary embodiment, the support frame structure for the vehicle further includes a foam body 400 (see...). Figure 1 , Figure 2 and Figure 6 ), the foam body 400 surrounds the electrophoresis well 105. In Figure 3 In one embodiment, the electrophoresis aperture 105 is oblong. In other embodiments, the electrophoresis aperture 105 may also be circular, square, or U-shaped.

[0057] The foam 400 can expand by baking after electrophoresis to surround a part of the electrophoresis hole 105, thereby reducing the impact of the electrophoresis hole 105 on the strength of the support frame body 100.

[0058] The foam 400 is fixed at the electrophoresis well 105 by injection molding.

[0059] In an exemplary implementation, such as Figure 1 and Figure 2As shown, the reinforcing member 200 includes reinforcing ribs 202 to increase the strength and rigidity of the support frame body 100, so as to absorb more energy when subjected to impact, thereby making the part of the vehicle supported by the support frame structure for the vehicle according to the present invention (e.g., the area under the A-pillar of the vehicle) more difficult to deform.

[0060] Taking a 500mm threshold beam as an example, Figure 7 As shown, in the prior art, the support frame structure is only welded to the top plate, outer plate and bottom plate inside the sill beam 500. Due to the assembly sequence, the flange of the support frame structure cannot support the inner plate of the sill beam 500.

[0061] like Figures 8 to 10 As shown, the support frame structure for vehicles in this embodiment of the present invention, in addition to being welded to the top plate, outer plate, and bottom plate inside the sill beam 500, can also connect the structural adhesive 300 to the inner plate of the sill beam 500 to increase the strength and rigidity of the sill beam 500. Specifically, the structural adhesive 300 is bonded to the inner plate of the sill beam 500.

[0062] The same support frame structure can be installed at different positions in the sill beam 500. Specifically, if the sill beam 500 has two or more positions with the same cross section in different positions in the front and rear directions, the same support frame structure can be used at these different positions with the same cross section.

[0063] In an exemplary embodiment, the reinforcing member 200 may be made of aluminum alloy, magnesium alloy or plastic.

[0064] In one embodiment, the support frame body 100 is made of steel, and the reinforcing member 200 is formed by plastic injection molding or metal injection molding.

[0065] In another implementation scheme, such as Figure 11 As shown, the support frame body 100 and the reinforcing member 200 can be integrally formed by die casting of aluminum alloy or magnesium alloy to reduce costs.

[0066] In an exemplary embodiment, the reinforcing rib 202 is formed in a grid pattern.

[0067] exist Figure 1 and Figure 4 In the implementation scheme, the plastic reinforcing rib 202 is composed of multiple squares.

[0068] In other embodiments, the reinforcing ribs 202, made of aluminum alloy or magnesium alloy, may also consist of multiple triangles (see also...). Figure 12 ), multiple pentagons (see also) Figure 13 ) or multiple hexagons (see also) Figure 14 )constitute.

[0069] Figure 12 , Figure 13 and Figure 14 The grid-like reinforcing ribs 202 have better energy absorption effect and can better enhance the strength, rigidity, NVH and durability of the support frame body 100.

[0070] In one embodiment, the aforementioned support frame structure for vehicles is first fabricated using a pressing process to create the support frame body 100, which is then inserted into a mold and injection molded to obtain a hybrid bulkhead.

[0071] This utility model embodiment also provides a vehicle equipped with the aforementioned support frame structure for vehicles. Other components and functions of the vehicle according to this utility model embodiment are known to those skilled in the art and will not be described in detail to reduce redundancy.

[0072] The assembly sequence of the support frame structure for vehicles according to this utility model embodiment is as follows:

[0073] First, install the foam 400 at the electrophoresis port 105 of the support frame body 100.

[0074] The reinforcing member 200 is inserted into the cavity 101 of the support frame body 100, so that the sealing part 201 of the reinforcing member 200 covers the notch 103 of the support frame body 100.

[0075] Structural adhesive 300 is installed on flange 104 of support frame body 100.

[0076] For ease of interpretation and precise definition of the appended claims, the terms “upper,” “lower,” “inner,” “outer,” “above,” “below,” “above,” “below,” “upward,” “downward,” “front,” “back,” “behind,” “inner side,” “outer side,” “inward,” “outer,” “internal,” “external,” “inner,” “external,” “forward,” and “backward” are used to describe the features of the exemplary embodiments with reference to the positions of these features shown in the accompanying drawings.

[0077] The foregoing description of specific exemplary embodiments of the present invention is for illustrative and descriptive purposes. It is not intended to be exhaustive, nor to limit the invention to the precise forms disclosed; obviously, many changes and variations are possible in accordance with the foregoing teachings. The exemplary embodiments were chosen and described to explain the specific principles of the invention and its practical application, thereby enabling others skilled in the art to implement and utilize various exemplary embodiments of the invention, as well as their different alternatives and modifications. The scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A support frame structure for a vehicle, characterized in that, include: The support frame body has a bottom wall and side walls, and a cavity formed between the bottom wall and side walls; as well as A reinforcing member is disposed within the cavity of the support frame body; The support frame body is formed into a box shape with an opening on one side. The side wall includes a first side wall, a second side wall, a third side wall, and a fourth side wall extending from the bottom wall. The third side wall and the fourth side wall are formed with electrophoresis holes, and a notch is formed at the junction of the side wall and the bottom wall. The tops of the third and fourth sidewalls are formed with outwardly bent flanges.

2. The support frame structure for a vehicle according to claim 1, characterized in that, The support frame structure further includes a sealing portion that covers the notch.

3. The support frame structure for a vehicle according to claim 1, characterized in that, The support frame structure for the vehicle further includes: Structural adhesive, which is C-shaped, is applied to the flange.

4. The support frame structure for a vehicle according to claim 1, characterized in that, The support frame structure for the vehicle further includes: A foam body that surrounds the electrophoresis pores; The foam can expand by baking after electrophoresis to surround a portion of the electrophoresis pores.

5. The support frame structure for a vehicle according to claim 1, characterized in that, The reinforcing member includes reinforcing ribs to increase the strength and rigidity of the support frame body.

6. The support frame structure for a vehicle according to claim 1, characterized in that, The support frame body is made of steel, and the reinforcing members are formed by plastic injection molding or metal injection molding.

7. The support frame structure for a vehicle according to claim 1, characterized in that, The support frame body and reinforcing members are integrally formed by die casting of aluminum alloy or magnesium alloy.

8. The support frame structure for a vehicle according to claim 5, characterized in that, The reinforcing ribs are formed in a grid shape, which is composed of multiple triangles, multiple squares, multiple pentagons or multiple hexagons.

9. A vehicle, characterized in that, It is equipped with a support frame structure for vehicles as described in any one of claims 1-8.

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