Top cover rear cross beam assembly and vehicle with same

By forming a protruding part on the front side of the rear crossbeam of the top cover and installing a seat belt mounting bracket, the problem that the seat belt mounting point in the prior art is difficult to arrange the front part of the rear crossbeam of the top cover, effectively installing the third row of passenger seat belts, and improving the structural strength and reliability of the installation point.

CN222742778UActive Publication Date: 2025-04-11GREAT WALL MOTOR CO LTD
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Patent Information

Application Number
CN202420643031.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-29
Publication Date
2025-04-11
Estimated Expiration
2034-03-29

AI Technical Summary

Technical Problem

The seat belt installation points inside the existing roof-cover rear beam are difficult to meet the arrangement requirements of the third row of passenger seat belts on the front of the roof-cover rear beam.

Method used

A top-cover rear cross beam assembly is designed, by forming a protruding portion on the front side of the rear cross beam body, and a seat belt mounting bracket is provided at the bottom of the rear cross beam body. The bracket is located below the protruding portion and a seat belt mounting point is provided thereon.

Benefits of technology

The seat belt installation point is arranged at the front of the rear crossbeam of the top cover, meeting the installation needs of the third row passenger seat belt. At the same time, the rigidity and reliability of the installation point are improved through the cavity structure and multi-layer welded connection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a roof rear cross beam assembly and a vehicle with the same, the roof rear cross beam assembly comprises a rear cross beam body connected between left and right D columns, the front side of the rear cross beam body is provided with a protruding part protruding forwards, and the bottom of the rear cross beam body is connected with a safety belt mounting bracket; at least part of the safety belt installation support is connected below the protruding part, and a safety belt installation point is arranged on the portion, below the protruding part, of the safety belt installation support. According to the top cover rear cross beam assembly, the safety belt installation support extending forwards is arranged on the top cover rear cross beam, the arrangement requirement that a safety belt installation point is arranged on the front portion of the top cover rear cross beam can be met, and the structural strength of the installation point can be guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, and in particular to a roof rear cross beam assembly. The utility model also relates to a vehicle provided with the roof rear cross beam assembly. Background Art

[0002] In the vehicle body structure, the rear cross beam of the roof not only has the function of improving the performance strength of the body frame, but also can be used as the installation point of the third row seat belt retractor in the vehicle model with the third row of seats to meet the layout requirements of the seat belt. However, the current seat belt installation points at the rear cross beam of the roof are generally set inside the rear cross beam of the roof, which makes it difficult to meet the layout requirements of the seat belt in the front of the rear cross beam of the roof. Utility Model Content

[0003] In view of this, the utility model aims to provide a roof rear cross beam assembly to meet the installation and arrangement requirements of the third row passenger safety belts.

[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0005] A roof rear cross beam assembly comprises a rear cross beam body connected between left and right D-pillars, the front side of the rear cross beam body having a protruding portion protruding forward, and the bottom of the rear cross beam body is connected to a seat belt mounting bracket;

[0006] At least a portion of the seat belt mounting bracket is connected below the protruding portion, and a seat belt mounting point is provided on the portion of the seat belt mounting bracket below the protruding portion.

[0007] Furthermore, the seat belt mounting bracket is buckled and connected to the bottom of the rear cross beam body, and a cavity is formed between the seat belt mounting bracket and the rear cross beam body.

[0008] Furthermore, the rear cross beam body includes a rear cross beam lower plate connected to the D-pillars on both sides, the protruding portion is located on the rear cross beam lower plate, and the seat belt mounting bracket is connected to the bottom of the rear cross beam lower plate.

[0009] Furthermore, at least the portion of the lower plate of the rear cross beam connected to the seat belt mounting bracket is step-shaped, and the seat belt mounting bracket has a first portion overlapping the bottom end surface of the lower plate of the rear cross beam, a second portion overlapping the side end surface of the lower plate of the rear cross beam, and a third portion overlapping the bottom end surface of the protrusion.

[0010] Furthermore, the rear cross beam body includes a rear cross beam upper plate connected to the upper part of the rear cross beam lower plate; a portion of the rear cross beam upper plate is located above the seat belt mounting bracket, and the seat belt mounting bracket, the rear cross beam lower plate and the rear cross beam upper plate are fixed together by multi-layer welding.

[0011] Furthermore, the upper plate of the rear cross beam is buckled and connected to the lower plate of the rear cross beam, and a cavity is formed between the upper plate of the rear cross beam and the lower plate of the rear cross beam.

[0012] Furthermore, at least one of the rear cross beam lower plate, the rear cross beam upper plate and the seat belt mounting bracket is made of high-strength steel.

[0013] Furthermore, the seat belt mounting point includes a mounting hole provided on the seat belt mounting bracket.

[0014] Furthermore, a projection welding nut fixedly connected to the safety belt mounting bracket is provided at the mounting hole.

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] The roof rear cross beam assembly described in the utility model forms a protrusion on the front side of the rear cross beam body, arranges a seat belt mounting bracket at the bottom of the rear cross beam body, and makes the seat belt mounting bracket have a portion located below the protrusion, and arranges a seat belt mounting point on the portion located below the protrusion, so as to realize the arrangement requirement of the seat belt mounting point at the front part of the roof rear cross beam, and can meet the installation arrangement needs of the seat belts of the third row passengers.

[0017] In addition, a cavity is formed between the seat belt mounting bracket and the rear cross beam body, and the high strength of the cavity structure can be used to increase the rigidity of the seat belt mounting point, which helps to improve the reliability of the seat belt installation. The rear cross beam body includes a rear cross beam lower plate, which can facilitate the preparation and molding of the rear cross beam and the protrusions thereon. At least the portion of the rear cross beam lower plate connected to the seat belt mounting bracket is stepped, and accordingly the seat belt mounting bracket also has three parts that are respectively abutted against each end surface of the rear cross beam lower plate. The high strength of the step structure can be used to increase the structural strength of the rear cross beam lower plate and the seat belt mounting bracket, which is conducive to better improving the rigidity of the seat belt mounting point.

[0018] In addition, the rear cross beam upper plate can improve the overall structural strength of the rear cross beam, and the seat belt mounting bracket, the rear cross beam lower plate and the rear cross beam upper plate are connected together by multi-layer welding, which can further increase the rigidity of the seat belt installation point and improve the reliability of seat belt installation. A cavity is formed between the upper and lower plates of the rear cross beam, and the high strength of the cavity can be used to improve the structural reinforcement effect of the rear cross beam upper plate, which is conducive to fully improving the overall structural strength of the rear cross beam.

[0019] Furthermore, the upper and lower plates of the rear cross beam and the seat belt mounting bracket are made of high-strength steel, which helps to ensure the structural strength of the rear cross beam body and the seat belt mounting bracket, and can further improve the rigidity of the seat belt mounting point. The seat belt mounting point uses a mounting hole set on the seat belt mounting bracket, which has a simple structure and is easy to design and form. Protruding welding nuts are set at the mounting holes to facilitate the installation of the seat belt, which is conducive to improving the assembly efficiency of the whole vehicle and the maintenance and replacement of the seat belt.

[0020] Another object of the present invention is to provide a vehicle, wherein the vehicle is provided with the roof rear cross beam assembly as described above.

[0021] The vehicle described in the utility model has the same beneficial effects as the roof rear cross beam assembly described above relative to the prior art, which will not be described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0023] Figure 1 This is a first structural schematic diagram of the top cover rear crossbeam assembly according to an embodiment of the utility model;

[0024] Figure 2 for Figure 1 A magnified image of point A;

[0025] Figure 3 This is a second structural schematic diagram of the top cover rear crossbeam assembly according to an embodiment of the utility model;

[0026] Figure 4 This is a schematic structural diagram of the lower plate of the rear cross beam according to an embodiment of the utility model;

[0027] Figure 5 This is a schematic structural diagram of the upper plate of the rear cross beam according to an embodiment of the utility model;

[0028] Figure 6 An exploded view of the top cover rear crossbeam assembly according to an embodiment of the utility model;

[0029] Figure 7 This is a first structural schematic diagram of the safety belt mounting bracket according to an embodiment of the utility model;

[0030] Figure 8 A second structural schematic diagram of the safety belt mounting bracket according to an embodiment of the utility model

[0031] Description of reference numerals:

[0032] 1. Rear crossbeam body;

[0033] 2. Safety belt mounting bracket; 201. first part; 202. second part; 203. third part;

[0034] 3. Safety belt mounting point; 4. Lower plate of rear cross beam; 5. Upper plate of rear cross beam; 6. Mounting hole; 7. Projection welding nut;

[0035] t, protrusion; s, cavity; b, wing-like structure; k, mold cavity. DETAILED DESCRIPTION

[0036] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0037] In the description of the present invention, it should be noted that if there are terms such as "upper", "lower", "inner", "outer" and the like indicating orientation or positional relationship, they are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, if there are terms such as "first" and "second", they are also used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0038] In addition, in the description of the present invention, unless otherwise clearly defined, the terms "installation", "connection", "connection" and "connector" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood in combination with specific circumstances.

[0039] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0040] Embodiment 1

[0041] The present embodiment relates to a roof rear cross beam assembly, which can meet the installation and arrangement requirements of the third row passenger safety belts.

[0042] In terms of overall structure, combined Figures 1 to 3 As shown, the top cover rear cross beam assembly of this embodiment includes a rear cross beam body 1 connected between left and right D-pillars (not shown in the figure), the front side of the rear cross beam body 1 has a protrusion t protruding forward, and the bottom of the rear cross beam body 1 is connected to a seat belt mounting bracket 2.

[0043] At least a portion of the seat belt mounting bracket 2 is connected below the protruding portion t, and a seat belt mounting point 3 is provided on the portion of the seat belt mounting bracket 2 below the protruding portion t.

[0044] At this time, as set above, by forming a protrusion t on the front side of the rear cross beam body 1, and arranging the seat belt mounting bracket 2 at the bottom of the rear cross beam body 1, and making the seat belt mounting bracket 2 have a portion located below the protrusion t, and arranging the seat belt mounting point 3 on the portion located below the protrusion t, the arrangement requirement of the seat belt mounting point 3 at the front part of the rear cross beam of the roof can be achieved, and the installation arrangement needs of the seat belts of the third row passengers can be met.

[0045] Based on the above overall introduction, specifically, see Figure 1 and Figure 2 As shown, at this time, preferably, the safety belt mounting bracket 2 of this embodiment is buckled and connected to the bottom of the rear cross beam body 1, and a cavity s is formed between the rear cross beam body 1.

[0046] In this embodiment, by forming a cavity s between the seat belt mounting bracket 2 and the rear cross beam body 1, the high structural strength of the cavity s can be utilized to increase the rigidity of the seat belt mounting point 3, which helps to improve the reliability of the seat belt installation.

[0047] It is worth mentioning that, as a preferred exemplary structure, combined with Figure 1 and Figure 2 As shown, the protrusion t of this embodiment is arranged near the end of the rear cross beam assembly of the top cover, so as to facilitate the arrangement of the seat belt mounting bracket 2 near the D-pillar, so that the arrangement position of the seat belt on the vehicle after final assembly is more in line with the arrangement requirements.

[0048] In addition, as a preferred embodiment, Figure 1 , Figure 2 and Figure 4 As shown, the rear cross beam body 1 of the roof rear cross beam structure in this embodiment includes a rear cross beam lower plate 4 connected to the D-pillars on both sides, the protrusion t is located on the rear cross beam lower plate 4, and the seat belt mounting bracket 2 is connected to the bottom of the rear cross beam lower plate 4. The rear cross beam body 1 includes the rear cross beam lower plate 4, which can facilitate the preparation and molding of the rear cross beam and the protrusion t thereon.

[0049] And, as a preferred implementation form, combined with Figure 1 and Figure 2 As shown, at least the portion of the rear cross beam lower plate 4 connected to the safety belt mounting bracket 2 is stepped, and the safety belt mounting bracket 2 has a first portion 201 overlapped on the bottom end surface of the rear cross beam lower plate 4, a second portion 202 overlapped on the side end surface of the rear cross beam lower plate 4, and a third portion 203 overlapped on the bottom end surface of the protrusion t.

[0050] Specifically, at least the portion of the rear cross beam lower plate 4 connected to the seat belt mounting bracket 2 is made step-shaped, and accordingly the seat belt mounting bracket 2 also has three portions respectively abutting against the end faces of the rear cross beam lower plate 4. The high strength of the step structure can be utilized to increase the structural strength of the rear cross beam lower plate 4 and the seat belt mounting bracket 2, which is beneficial to better improve the rigidity of the seat belt mounting point 3.

[0051] It is worth mentioning that the arrangement of the rear cross beam lower plate 4 can be completely stepped, which reduces the difficulty of manufacturing the rear cross beam lower plate 4, facilitates industrial production and improves the overall structural strength of the rear cross beam lower plate 4. Of course, the arrangement of the rear cross beam lower plate 4 can also be partially stepped, and it only needs to meet the arrangement requirements of the seat belt mounting bracket 2.

[0052] At the same time, as a preferred implementation form, combined with Figure 3 , Figure 5 and Figure 6 As shown, the rear cross beam body 1 of this embodiment includes a rear cross beam upper plate 5 connected above the rear cross beam lower plate 4, a portion of the rear cross beam upper plate 5 is located above the seat belt mounting bracket 2, and the seat belt mounting bracket 2, the rear cross beam lower plate 4 and the rear cross beam upper plate 5 are fixed together by multi-layer welding.

[0053] Specifically, by providing the rear cross beam upper plate 5, the overall structural strength of the rear cross beam can be improved, and the seat belt mounting bracket 2, the rear cross beam lower plate 4 and the rear cross beam upper plate 5 are fixed together by multi-layer welding, which can further increase the rigidity of the seat belt mounting point 3 and improve the reliability of the seat belt installation.

[0054] In addition, wing-shaped structures b for welding are extended outward at the edges of the rear cross beam upper plate 5, the rear cross beam lower plate 4 and the seat belt mounting bracket 2. The wing-shaped structures b increase the welding and overlapping areas, thereby improving the structural strength of the joints. At the same time, there are intervals between adjacent wing-shaped structures b, which facilitate the arrangement of other components of the vehicle.

[0055] It is worth mentioning that the remaining part of the rear cross beam upper plate 5 is arranged on the top of the rear cross beam lower plate 4 according to the structural strength requirement of the rear cross beam lower plate 4, and the shape of the rear cross beam upper plate 5 is also stepped like the rear cross beam lower plate 4 to meet the layout requirements of the rear cross beam lower plate 4.

[0056] Preferably, the seat belt mounting bracket 2, the rear cross beam lower plate 4 and the rear cross beam upper plate 5 are arranged with multiple welding points at the positions where welding is required. During actual welding, the welding points are evenly arranged along the wing-shaped structure b overlapped between the seat belt mounting bracket 2, the rear cross beam lower plate 4 and the rear cross beam upper plate 5.

[0057] In addition, as a preferred embodiment, Figure 3 and Figure 6 As shown, the rear crossbeam upper plate 5 of the present embodiment is snap-fitted and connected to the rear crossbeam lower plate 4, and a cavity k is formed between the rear crossbeam upper plate 5 and the rear crossbeam lower plate 4. By forming the cavity k between the upper and lower plates of the rear crossbeam, the high strength of the cavity s can be utilized to improve the structural reinforcement effect of the rear crossbeam upper plate 5, which is beneficial to fully improving the overall structural strength of the rear crossbeam.

[0058] Preferably, a plurality of through holes connecting to the interior of the cavity k can be opened on the rear cross beam upper plate 5 according to the layout requirements of other components on the vehicle body, so as to facilitate the routing or layout needs of the remaining components on the vehicle body. Of course, the opening positions and number of the through holes must meet the structural strength requirements of the rear cross beam upper plate 5.

[0059] In addition, as a preferred embodiment, Figure 6 As shown, in this embodiment, at least one of the rear cross beam lower plate 4, the rear cross beam upper plate 5 and the seat belt mounting bracket 2 is made of high-strength steel, so that the rear cross beam upper and lower plates and the seat belt mounting bracket 2 are made of high-strength steel, which helps to ensure the structural strength of the rear cross beam body 1 and the seat belt mounting bracket 2, and can further improve the rigidity of the seat belt mounting point 3.

[0060] It is worth mentioning that, as a preferred arrangement, the rear cross beam lower plate 4, the rear cross beam upper plate 5 and the seat belt mounting bracket 2 in this embodiment are all made of high-strength steel. Of course, other materials that can meet the structural strength requirements can also be used, as long as the structural strength requirements of the vehicle are met.

[0061] Furthermore, as a preferred implementation form, combined with Figure 7 As shown, the seat belt mounting point 3 of this embodiment includes a mounting hole 6 provided on the seat belt mounting bracket 2. The seat belt mounting point 3 adopts the mounting hole 6 provided on the seat belt mounting bracket 2, has a simple structure, and is easy to design and shape.

[0062] In addition, preferably, a fastener can be provided in the mounting hole 6 to further fix the installation of the safety belt. The fastener provided in the mounting hole 6 can ensure the strength of the safety belt after installation.

[0063] At this time, as set above, as a preferred implementation form, combined with Figure 8 As shown, the mounting hole 6 of this embodiment is provided with a projection welding nut 7 fixedly connected to the seat belt mounting bracket 2. Providing the projection welding nut 7 at the mounting hole 6 can facilitate the installation operation of the seat belt, which is beneficial to improving the assembly efficiency of the whole vehicle and the maintenance and replacement of the seat belt.

[0064] Specifically, the body of the projection welding nut 7 is arranged in the cavity s formed between the rear cross beam lower plate 4 and the seat belt mounting bracket 2, and the opening of the projection welding nut 7 faces the outside of the seat belt mounting bracket 2 to facilitate the installation of the seat belt.

[0065] It can be understood that the use of projection welding nuts 7 as fasteners fixed at the mounting holes 6 can conveniently and quickly fix and install the safety belts, and projection welding nuts 7 are widely used as fasteners in vehicle assembly to ensure structural strength after assembly.

[0066] When assembling the roof rear cross beam assembly of this embodiment, first assemble the rear cross beam lower plate 4, the rear cross beam upper plate 5 and the safety belt mounting bracket 2 together, and then assemble the assembled roof rear cross beam assembly between the D pillars on both sides of the vehicle. Moreover, the roof rear cross beam assembly of this embodiment can realize the arrangement requirement of the safety belt mounting point 3 at the front of the roof rear cross beam, and can ensure the structural strength of the mounting point, and has good practicality.

[0067] Embodiment 2

[0068] This embodiment relates to a vehicle, in which the roof rear cross beam assembly of the first embodiment is provided.

[0069] The vehicle of this embodiment, by adopting the roof rear cross beam assembly in the first embodiment, can meet the need for arranging the third safety belt in the front part of the roof rear cross beam, and can ensure the structural strength of the installation point, which is beneficial to improving the use quality of the entire vehicle.

[0070] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A roof rear crossbeam assembly, characterized in that: It comprises a rear cross beam body (1) connected between the left and right D-pillars, the front side of the rear cross beam body (1) having a protruding portion (t) protruding forward, and the bottom of the rear cross beam body (1) is connected to a safety belt mounting bracket (2); At least a portion of the safety belt mounting bracket (2) is connected below the protruding portion (t), and a safety belt mounting point (3) is provided on the portion of the safety belt mounting bracket (2) located below the protruding portion (t).

2. The roof rear cross beam assembly according to claim 1, characterized in that: The safety belt mounting bracket (2) is buckled and connected to the bottom of the rear cross beam body (1), and a cavity (s) is formed between the rear cross beam body (1).

3. The roof rear cross beam assembly according to claim 1, characterized in that: The rear cross beam body (1) comprises a rear cross beam lower plate (4) connected to the D-pillars on both sides, the protruding portion (t) is located on the rear cross beam lower plate (4), and the safety belt mounting bracket (2) is connected to the bottom of the rear cross beam lower plate (4).

4. The roof rear cross beam assembly according to claim 3, characterized in that: At least the portion of the rear cross beam lower plate (4) connected to the safety belt mounting bracket (2) is in a step shape, and the safety belt mounting bracket (2) comprises a first portion (201) overlapped on the bottom end surface of the rear cross beam lower plate (4), a second portion (202) overlapped on the side end surface of the rear cross beam lower plate (4), and a third portion (203) overlapped on the bottom end surface of the protruding portion (t).

5. The roof rear cross beam assembly according to claim 3, characterized in that: The rear cross beam body (1) comprises a rear cross beam upper plate (5) connected above the rear cross beam lower plate (4); A portion of the rear cross beam upper plate (5) is located above the safety belt mounting bracket (2), and the safety belt mounting bracket (2), the rear cross beam lower plate (4) and the rear cross beam upper plate (5) are fixedly connected together by multi-layer welding.

6. The roof rear cross beam assembly according to claim 5, characterized in that: The rear cross beam upper plate (5) is buckled and connected to the rear cross beam lower plate (4), and a cavity (k) is formed between the rear cross beam upper plate (5) and the rear cross beam lower plate (4).

7. The roof rear cross beam assembly according to claim 5, characterized in that: At least one of the rear cross beam lower plate (4), the rear cross beam upper plate (5) and the safety belt mounting bracket (2) is made of high-strength steel.

8. The roof rear cross beam assembly according to any one of claims 1 to 7, characterized in that: The safety belt mounting point (3) comprises a mounting hole (6) provided on the safety belt mounting bracket (2).

9. The roof rear cross beam assembly according to claim 8, characterized in that: The mounting hole (6) is provided with a projection welding nut (7) which is fixedly connected to the safety belt mounting bracket (2).

10. A vehicle, characterized in that: The vehicle is provided with a roof rear cross beam assembly according to any one of claims 1 to 9.