Cross beam assembly and vehicle

Abstract

The utility model relates to the technical field of vehicles, and discloses a cross beam assembly and a vehicle. A first groove is formed in the cross beam body, a second groove is formed in the reinforcing part, the reinforcing part is at least partially arranged in the first groove, the reinforcing part is connected with the groove wall of the first groove, and a groove opening of the second groove faces the groove wall of the first groove. Due to the fact that the second groove is formed in the reinforcing piece, the reinforcing piece and the cross beam body form the first closed cavity structure in a surrounding mode to jointly bear loads such as bending moment and torque, and the rigidity and the modal performance of the cross beam body are improved to a large extent.

Description

Technical Field

[0001] The present application relates to the field of vehicle technology, and in particular to a crossbeam assembly and a vehicle. Background Art

[0002] For vehicles, road excitation is transmitted to the body through the tires and chassis, causing vibrations in the body panels, which in turn compress the vehicle's acoustic cavity and cause interior noise. Low-frequency ear pressure is the most noticeable and common complaint among users. Low stiffness and poor modal performance of the deck beam are among the main causes of this problem. Improving the stiffness and modal performance of the beam can alleviate this problem.

[0003] Existing crossbeams are usually of a "U-shaped" structure with a groove formed on the inside. A common way to improve the stiffness and modal performance of the crossbeam is to add a reinforcement plate inside the groove of the crossbeam.

[0004] In the related art, the reinforcement plate of the crossbeam is a U-shaped plate that matches the inner wall shape of the groove. The U-shaped plate is welded inside the U-shaped cavity, and the opening direction of the U-shaped plate and the U-shaped cavity are aligned. However, this structure still has a low improvement in crossbeam stiffness and modal properties. Utility Model Content

[0005] In view of this, the present application provides a crossbeam assembly and a vehicle to solve the problem that the reinforcement plates in the existing crossbeams have a low effect on improving the crossbeam stiffness and mode.

[0006] In a first aspect, the present application provides a beam assembly, comprising:

[0007] The beam body is provided with a first groove;

[0008] A reinforcement member is provided with a second groove, and the reinforcement member is at least partially arranged inside the first groove. The reinforcement member is connected to the groove wall of the first groove, and the groove opening of the second groove faces the groove wall of the first groove, so that the reinforcement member and the beam body form a first closed cavity structure.

[0009] Optionally, the reinforcement member includes a first connecting portion and a second connecting portion, the first connecting portion and the second connecting portion are respectively arranged on opposite sides of the second groove opening, and the first connecting portion and the second connecting portion are respectively connected to the groove wall of the first groove.

[0010] Optionally, the notch of the second groove faces the bottom wall of the first groove, wherein,

[0011] The first connecting portion is a first flange connected to a first side of a notch of the second groove, and the first flange is connected to the bottom wall of the first groove;

[0012] And / or, the second connecting portion is a second flange connected to the second side of the notch of the second groove, and the second flange is connected to the bottom wall of the first groove.

[0013] Optionally, a third flange is provided at one end of the first flange away from the second groove, and the third flange is connected to the first side wall of the first groove;

[0014] And / or, a fourth flange is provided at one end of the second flange away from the second groove, and the fourth flange is connected to the second side wall of the first groove.

[0015] Optionally, a fifth flange is provided at one end of the third flange away from the first flange, and the fifth flange is located outside the first groove and connected to the outer side of the notch of the first groove;

[0016] And / or, a sixth flange is provided at one end of the fourth flange away from the second flange, and the sixth flange is located outside the first groove and connected to the outer side of the notch of the first groove.

[0017] Optionally, a first notch is provided on the first flange along the extending direction of the second groove;

[0018] And / or, a second notch is provided on the second flange along the extending direction of the second groove.

[0019] Optionally, it also includes:

[0020] A cover plate is connected to the outer side of the first groove and covers the first groove, so that the cover plate and the beam body form a second closed cavity structure.

[0021] Optionally, the notch of the second groove faces the bottom wall of the first groove, and the side of the reinforcement away from the bottom wall of the first groove is connected to the cover plate.

[0022] Optionally, a through hole is formed on the reinforcement member, and the through hole passes through to the second groove.

[0023] In a second aspect, the present application also provides a vehicle, comprising: any of the above-mentioned crossbeam assemblies.

[0024] The present application provides a crossbeam assembly comprising a crossbeam body and a reinforcement member. A second groove is provided on the reinforcement member. At least a portion of the reinforcement member extends into the first groove and connects to the wall of the first groove, such that the opening of the second groove on the reinforcement member faces the wall of the first groove. Thus, due to the second groove on the reinforcement member, the reinforcement member and the crossbeam body form a first closed cavity structure, jointly bearing loads such as bending moment and torque, thereby significantly improving the stiffness and modal performance of the crossbeam body. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the specific implementation methods of the present application or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the specific implementation methods or the description of the prior art. Obviously, the drawings described below are some implementation methods of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0026] Figure 1 This is a schematic structural diagram of a first crossbeam assembly according to an embodiment of the present application;

[0027] Figure 2 This is a schematic structural diagram of a second crossbeam assembly according to an embodiment of the present application;

[0028] Figure 3 This is a schematic structural diagram of a third crossbeam assembly according to an embodiment of the present application;

[0029] Figure 4 This is a schematic structural diagram of a fourth crossbeam assembly according to an embodiment of the present application;

[0030] Figure 5 This is a schematic structural diagram of a fifth crossbeam assembly according to an embodiment of the present application;

[0031] Figure 6 This is a schematic structural diagram of the sixth beam assembly according to an embodiment of the present application.

[0032] Description of reference numerals:

[0033] 1. Beam body; 2. Reinforcement; 201. Reinforcement body; 202. First connecting portion; 203. Second connecting portion; 3. First notch; 4. Second notch; 5. First component; 6. Second component; 7. Third flange; 8. Fourth flange; 9. Fifth flange; 10. Sixth flange; 11. Cover plate; 12. First groove; 13. Second groove; 14. Through hole. DETAILED DESCRIPTION

[0034] To make the purpose, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of this application.

[0035] The following combination Figures 1 to 6 , describing the embodiments of the present application.

[0036] According to an embodiment of the present application, on the one hand, a beam assembly is provided, such as Figure 1 and Figure 3 As shown, it comprises a crossbeam body 1 and a reinforcement member 2. The reinforcement member 2 is a component used for reinforcement. The crossbeam body 1 and the reinforcement member 2 are both long strips. The reinforcement member 2 is provided with a second groove 13, and the extension direction of the second groove 13 is consistent with the extension direction of the reinforcement member 2.

[0037] The reinforcement member 2 is inserted into the first groove 12 and connected to the groove wall of the first groove 12, so that the notch of the second groove 13 on the reinforcement member 2 faces the groove wall of the first groove 12. The reinforcement member 2 can be partially inserted into the first groove 12, or can be fully inserted into the first groove 12.

[0038] In this way, the presence of the second groove 13 on the reinforcement 2 enables the reinforcement 2 and the beam body 1 to surround and form a first closed cavity structure to jointly bear loads such as bending moment and torque, thereby greatly improving the stiffness and modal performance of the beam body 1.

[0039] Improving the crossbeam stiffness enhances the vehicle's bending resistance and overall stability. Improving the crossbeam's modal performance can mitigate engine and road excitation, reducing acceleration roar and low-frequency ear pressure.

[0040] Moreover, since at least a portion of the reinforcement member 2 extends into the first groove 12, the overall occupied space is reduced, which facilitates the spatial arrangement of the beam assembly.

[0041] It is worth noting that the notch of the second groove 13 can be towards the bottom wall of the first groove 12 or the side wall of the first groove 12. The first closed cavity structure refers to the reinforcing member 2 and the beam body 1 forming an annular connection structure, rather than a completely sealed structure.

[0042] In an optional embodiment, if Figure 1 and Figure 3 As shown, the reinforcement 2 includes a first connecting portion 202, a second connecting portion 203 and a reinforcement body 201, the second groove 13 is provided on the reinforcement body 201, the first connecting portion 202 and the second connecting portion 203 are respectively connected to two opposite sides of the reinforcement body 201, so that the first connecting portion 202 is located on the first side of the notch of the second groove 13, and the second connecting portion 203 is located on the second side of the notch of the second groove 13, wherein the first side and the second side of the notch of the second groove 13 are opposite to each other.

[0043] The first connecting portion 202 is connected to the groove wall of the first groove 12, and the second connecting portion 203 is connected to the groove wall of the first groove 12, thereby connecting the reinforcement member 2 to the groove wall of the first groove 12, and the notch of the second groove 13 is now facing the groove wall of the first groove 12. In this arrangement, the reinforcement member 2 is connected to the groove wall of the first groove 12 from both sides of the reinforcement member 2, and the connection is more stable.

[0044] The reinforcement body 201 may be a U-shaped plate, and the inner cavity of the U-shaped plate forms the second groove 13 .

[0045] In a further embodiment, Figure 1 and Figure 3 As shown, the first connecting portion 202 is connected to the bottom wall of the first groove 12 , and the second connecting portion 203 is connected to the bottom wall of the first groove 12 , so that the notch of the second groove 13 faces the bottom wall of the first groove 12 .

[0046] The first connection portion 202 can be configured as a first flange connected to the first side of the notch of the second groove 13. After the first flange is attached to the bottom wall of the first groove 12, the first flange is connected to the bottom wall of the first groove 12 by spot welding, thereby improving the connection rigidity between the first side of the notch of the second groove 13 and the bottom wall of the first groove 12.

[0047] The second connection portion 203 can be configured as a second flange connected to the second side of the notch of the second groove 13. After the second flange is attached to the bottom wall of the first groove 12, the second flange is connected to the bottom wall of the first groove 12 by spot welding, thereby improving the connection rigidity between the second side of the notch of the second groove 13 and the bottom wall of the first groove 12.

[0048] The first flange and the second flange can be provided separately in different embodiments, or both can be provided in one embodiment.

[0049] In a further embodiment, Figures 4 to 6 As shown, a third flange 7 is provided at the end of the first flange away from the second groove 13. The third flange 7 is turned up toward the notch of the first groove 12. The third flange 7 is connected to the first side wall of the first groove 12 to strengthen the connection between the first side of the reinforcement member 2 and the crossbeam body 1.

[0050] The third flange 7 can be attached to the first side wall of the first groove 12 and bonded with a structural adhesive, thereby increasing the connection area between the third flange 7 and the first side wall of the first groove 12 and further strengthening the connection.

[0051] Regarding the second flange, a fourth flange 8 is provided at the end of the second flange away from the second groove 13. The fourth flange 8 is turned up toward the notch of the first groove 12. The fourth flange 8 is connected to the second side wall of the first groove 12 to strengthen the connection between the second side of the reinforcement member 2 and the crossbeam body 1.

[0052] The fourth flange 8 can be attached to the second side wall of the first groove 12 and bonded with a structural adhesive, thereby increasing the connection area between the fourth flange 8 and the second side wall of the first groove 12 and further strengthening the connection.

[0053] It is worth noting that the first side wall and the second side wall of the first groove 12 are opposite to each other.

[0054] The third flange 7 and the fourth flange 8 can be provided separately in different embodiments, or both can be provided in one embodiment.

[0055] In yet a further embodiment, Figure 5 and Figure 6 As shown, the third flange 7 is provided with a fifth flange 9 at the end thereof away from the first flange. When the first flange is connected to the bottom of the first groove 12, the fifth flange 9 extends out of the first groove 12, connecting the fifth flange 9 to the side of the crossbeam body 1 where the groove is located, thereby connecting the fifth flange 9 to the outside of the notch of the first groove 12. This further improves the connection stiffness between the first side of the reinforcement 2 and the crossbeam body 1.

[0056] The fifth flange 9 can be attached to the side of the beam body 1 where the first groove 12 is located and bonded with structural adhesive, thereby increasing the connection area between the fifth flange 9 and the beam body 1 and further strengthening the connection.

[0057] Regarding the fourth flange 8, a sixth flange 10 is provided at the end of the fourth flange 8 away from the second flange. When the second flange is connected to the bottom of the first groove 12, the sixth flange 10 extends out of the first groove 12, connecting the sixth flange 10 to the side of the crossbeam body 1 where the groove is located, thereby connecting the sixth flange 10 to the outside of the notch of the first groove 12. This further improves the connection stiffness between the second side of the reinforcement 2 and the crossbeam body 1.

[0058] The sixth flange 10 can be attached to the side of the beam body 1 where the first groove 12 is located and bonded with structural adhesive, thereby increasing the connection area between the sixth flange 10 and the beam body 1 and further strengthening the connection.

[0059] The fifth flange 9 and the sixth flange 10 can be provided separately in different embodiments, or both can be provided in one embodiment.

[0060] In a combined embodiment, Figure 6As shown, after the first flange is adhered and connected to the bottom of the first groove 12, the third flange 7 is adhered to the first side wall of the first groove 12 and bonded with structural adhesive, and then the fifth flange 9 is adhered to the side of the beam body 1 where the first groove 12 is located and bonded with structural adhesive, thereby strengthening the connection between the first side of the reinforcement 2 and the beam body 1, and further improving the stiffness and modal performance of the beam body 1.

[0061] In another combination embodiment, Figure 6 As shown, after the second flange is attached to and connected to the bottom of the first groove 12, the fourth flange 8 is attached to and bonded to the second sidewall of the first groove 12 using structural adhesive. The sixth flange 10 is then attached to and bonded to the side of the beam body 1 where the first groove 12 is located using structural adhesive. This strengthens the connection between the second side of the reinforcement 2 and the beam body 1, further enhancing the stiffness and modal performance of the beam body 1.

[0062] In one embodiment, Figure 5 As shown, after the first flange is fitted and connected to the bottom of the first groove 12, the fifth flange 9 is fitted and bonded to the side of the beam body 1 where the first groove 12 is located using structural adhesive. At this time, a space is left between the third flange 7 and the first side wall of the first groove 12, so that the third flange 7, the fifth flange 9 and the beam body 1 surround and form a third closed cavity structure to jointly bear loads such as bending moment and torque, thereby improving the stiffness and modal performance of the beam body 1.

[0063] The third closed cavity structure refers to a ring-shaped connection structure formed by the third flange 7, the fifth flange 9 and the beam body 1, rather than a completely sealed structure.

[0064] In one embodiment, Figure 5 As shown, after the second flange is aligned and connected to the bottom of the first groove 12, the sixth flange 10 is aligned and bonded to the side of the beam body 1 where the first groove 12 is located using structural adhesive. This leaves space between the fourth flange 8 and the second sidewall of the first groove 12. Thus, the fourth flange 8, the sixth flange 10, and the beam body 1 form a fourth closed cavity structure, which collectively bears loads such as bending moment and torque, thereby improving the stiffness and modal performance of the beam body 1.

[0065] The fourth closed cavity structure refers to a ring-shaped connection structure formed by the fourth flange 8, the sixth flange 10 and the beam body 1, rather than a completely sealed structure.

[0066] In an optional embodiment, if Figure 2 As shown, on the basis of providing a first flange and a second flange:

[0067] The first flange is provided with a first notch 3. The remaining portion of the first flange, excluding the first notch 3, is welded to the bottom wall of the first groove 12. This ensures the connection rigidity between the first flange and the bottom wall of the first groove 12 while reducing the weight of the first flange, reducing material usage, and lowering costs.

[0068] Multiple first notches 3 can be provided, spaced apart in sequence along the extension direction of the second groove 13. The multiple first notches 3 thus divide the first flange into multiple first components 5, each of which is welded to the bottom wall of the first groove 12. This arrangement achieves the same effect as spot welding the entire first flange to the bottom wall of the first groove 12, but reduces the weight of the first flange, reduces material usage, and lowers costs.

[0069] The second flange is provided with a second notch 4. The remaining portion of the second flange, excluding the second notch 4, is welded to the bottom wall of the first groove 12. This ensures the connection rigidity between the second flange and the bottom wall of the first groove 12 while reducing the weight of the second flange, reducing material usage, and lowering costs.

[0070] Multiple second notches 4 can be provided, spaced apart in sequence along the extension direction of the second groove 13. The multiple second notches 4 thus divide the second flange into multiple second components 6, each of which is welded to the bottom wall of the first groove 12. This arrangement achieves the same effect as spot welding the entire second flange to the bottom wall of the first groove 12, but reduces the weight of the second flange, reduces material usage, and lowers costs.

[0071] The first notch 3 and the sixth notch can be provided separately in different embodiments, or both can be provided in one embodiment.

[0072] In an optional embodiment, if Figure 3 and Figure 4 As shown, the crossbeam assembly also includes a cover plate 11, which is welded to the side of the crossbeam body 1 where the first groove 12 is located, thereby connecting the cover plate 11 to the outside of the first groove 12. The cover plate 11 seals the notch of the first groove 12. This creates a second closed cavity structure with the cover plate 11 and the crossbeam body 1, which jointly bears loads such as bending moment and torque, thereby improving the stiffness and modal performance of the crossbeam body 1.

[0073] Moreover, when the first closed cavity and the second closed cavity coexist, the beam body 1 has stronger rigidity and better modal performance.

[0074] In a further embodiment, Figure 3 and Figure 4As shown, the opening of the second groove 13 faces the bottom wall of the first groove 12. After the cover plate 11 is attached to the crossbeam body 1, the side of the reinforcement 2 away from the bottom of the first groove 12 is connected to the cover plate 11. This increases the connection stiffness between the cover plate 11, the crossbeam body 1, and the reinforcement 2.

[0075] In one embodiment, the side of the reinforcement member 2 facing away from the bottom of the first groove 12 is flat and flush with the side of the crossbeam body 1 where the groove is located. Structural adhesive is first applied to the side of the reinforcement member 2 facing away from the bottom of the first groove 12. The cover plate 11 is then placed over the crossbeam body 1. The cover plate 11 and the side of the reinforcement member 2 facing away from the bottom of the first groove 12 are now bonded together with the structural adhesive, thereby connecting the side of the reinforcement member 2 facing away from the bottom of the first groove 12 to the cover plate 11. This increases the connection area between the side of the reinforcement member 2 facing away from the bottom of the first groove 12 and the cover plate 11, further strengthening the connection.

[0076] In an optional embodiment, if Figure 2 As shown, a through hole 14 is formed on the reinforcement 2, so that the through hole 14 passes through the outer wall of the reinforcement 2 and the groove wall of the second groove 13. This arrangement reduces the weight of the reinforcement 2, reduces the use of materials, and reduces costs while ensuring the rigidity of the reinforcement 2 itself.

[0077] The number of through holes 14 can be set according to requirements.

[0078] According to an embodiment of the present application, on the other hand, a vehicle is provided, comprising any of the above crossbeam assemblies. The beneficial effects brought by the vehicle are consistent with those of the crossbeam assembly, so they are not described in detail.

[0079] Although the embodiments of the present application are described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present application, and such modifications and variations shall fall within the scope defined by the present application.

Claims

1. A beam assembly, characterized in that: include: The crossbeam body (1) is provided with a first groove (12); A reinforcement member (2) is provided with a second groove (13), the reinforcement member (2) is at least partially arranged inside the first groove (12), the reinforcement member (2) is connected to the groove wall of the first groove (12), and the groove opening of the second groove (13) faces the groove wall of the first groove (12), so that the reinforcement member (2) and the beam body (1) form a first closed cavity structure.

2. The crossbeam assembly according to claim 1, characterized in that The reinforcement member (2) comprises a first connecting portion (202) and a second connecting portion (203), wherein the first connecting portion (202) and the second connecting portion (203) are respectively arranged on two opposite sides of the notch of the second groove (13), and the first connecting portion (202) and the second connecting portion (203) are respectively connected to the groove wall of the first groove (12).

3. The crossbeam assembly according to claim 2, characterized in that The notch of the second groove (13) faces the bottom wall of the first groove (12), wherein: The first connecting portion (202) is a first flange connected to a first side of a notch of the second groove (13), and the first flange is connected to the bottom wall of the first groove (12); And / or, the second connecting portion (203) is a second flange connected to the second side of the notch of the second groove (13), and the second flange is connected to the bottom wall of the first groove (12).

4. The crossbeam assembly according to claim 3, characterized in that A third flange (7) is provided at one end of the first flange away from the second groove (13), and the third flange (7) is connected to the first side wall of the first groove (12); And / or, a fourth flange (8) is provided at one end of the second flange away from the second groove (13), and the fourth flange (8) is connected to the second side wall of the first groove (12).

5. The crossbeam assembly according to claim 4, characterized in that A fifth flange (9) is provided at one end of the third flange (7) away from the first flange, and the fifth flange (9) is located outside the first groove (12) and connected to the outside of the notch of the first groove (12); And / or, a sixth flange (10) is provided at one end of the fourth flange (8) away from the second flange, and the sixth flange (10) is located outside the first groove (12) and connected to the outer side of the notch of the first groove (12).

6. The crossbeam assembly according to claim 3, characterized in that A first notch (3) is provided on the first flange along the extension direction of the second groove (13); And / or, a second notch (4) is provided on the second flange along the extension direction of the second groove (13).

7. The crossbeam assembly according to claim 1, wherein: Also includes: A cover plate (11) is connected to the outer side of the first groove (12) and covers the first groove (12), so that the cover plate (11) and the beam body (1) form a second closed cavity structure.

8. The crossbeam assembly according to claim 7, wherein: The notch of the second groove (13) faces the bottom wall of the first groove (12), and the side of the reinforcement member (2) away from the bottom wall of the first groove (12) is connected to the cover plate (11).

9. The crossbeam assembly according to any one of claims 1 to 8, characterized in that: A through hole (14) is provided on the reinforcement member (2), and the through hole (14) passes through to the second groove (13).

10. A vehicle, characterized in that: The crossbeam assembly comprises the crossbeam assembly according to any one of claims 1 to 9.

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