CN223187555U - Rear side structure, body-in-white assembly and vehicle - Google Patents
Rear side structure, body-in-white assembly and vehicleInfo
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- CN223187555U CN223187555U CN202422626679.7U CN202422626679U CN223187555U CN 223187555 U CN223187555 U CN 223187555U CN 202422626679 U CN202422626679 U CN 202422626679U CN 223187555 U CN223187555 U CN 223187555U
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Abstract
本公开涉及一种后部侧边结构、白车身总成及车辆，该后部侧边结构包括后侧边梁、衣帽架横梁和后减震塔。其中，后侧边梁沿第一方向延伸，包括垂直于第二方向的第一连接面和垂直于第三方向的第二连接面；衣帽架横梁沿第二方向延伸；后减震塔连接于衣帽架横梁，且具有用于与后副车架的后悬架连接的悬架安装部，与第一连接面对应且固定连接的第一配合面以及与第二连接面对应且固定连接的第二配合面。该后部侧边结构提高发整车扭转刚度，又可以将后悬架上的受力传递至后部侧边梁及衣帽架横梁，解决了后副车架安装点动、静刚度弱，NVH性能差等问题。
The present disclosure relates to a rear side structure, a body-in-white assembly and a vehicle, wherein the rear side structure includes a rear side beam, a coat rack cross beam and a rear shock tower. The rear side beam extends along a first direction, including a first connecting surface perpendicular to the second direction and a second connecting surface perpendicular to the third direction; the coat rack cross beam extends along the second direction; the rear shock tower is connected to the coat rack cross beam and has a suspension mounting portion for connecting to the rear suspension of the rear subframe, a first mating surface corresponding to and fixedly connected to the first connecting surface, and a second mating surface corresponding to and fixedly connected to the second connecting surface. The rear side structure improves the torsional stiffness of the entire vehicle and can transfer the force on the rear suspension to the rear side beam and the coat rack cross beam, thereby solving the problems of weak dynamic and static stiffness of the rear subframe installation point and poor NVH performance.
Description
Technical Field
The present disclosure relates to the field of vehicle technology, and in particular, to a rear side structure, a body-in-white assembly, and a vehicle.
Background
Along with the rapid popularization of new energy vehicle types, the quality requirements of people on automobiles are also higher and higher. The white body structure is a main supporting structure of the whole vehicle, and the performance index of the white body structure directly influences the performance of the whole vehicle.
In the related art, regarding the rear side area of the body-in-white structure, the current mainstream three-compartment vehicle type generally constructs a C-pillar side rail and a hat rack cross beam, only the root of the rearmost end of the three-compartment vehicle type is connected by a simple connecting piece, and the front part of the three-compartment vehicle type is generally free from Z-direction support, so that the overall torsional rigidity is affected, the dynamic and static rigidity performance of the mounting point of the rear auxiliary frame is also affected, and the NVH performance under a rough road surface is affected.
Disclosure of utility model
The utility model aims at providing a rear portion side structure, white automobile body assembly and vehicle, this rear portion side structure improves and sends whole car torsional rigidity, can transmit rear portion side roof beam and hat rack crossbeam with the atress on the rear suspension again, has solved the rear sub vehicle frame mounting point and has moved, quiet rigidity is weak, NVH performance subalternation problem.
To achieve the above object, a first aspect of the present disclosure provides a rear side edge structure, including:
A rear side rail extending in a first direction and including a first connection surface perpendicular to the second direction and a second connection surface perpendicular to the third direction;
a hat rack cross beam extending along the second direction, and
The rear shock absorber is connected to the hat rack cross beam, and is provided with a suspension mounting part which is used for being connected with a rear suspension of the rear auxiliary frame, a first matching surface which corresponds to the first connecting surface and is fixedly connected with the first connecting surface, and a second matching surface which corresponds to the second connecting surface and is fixedly connected with the second connecting surface.
Optionally, the first direction, the second direction and the third direction are perpendicular to each other.
Optionally, the rear side structure further comprises a support member connected to the inner surfaces of the rear shock tower and the rear side beam, respectively.
Optionally, the rear side rail further comprises a third connection face;
The support piece is provided with a third matching surface which corresponds to the third connecting surface and is fixedly connected with the third connecting surface, and the support piece is used for supporting the rear side beam in the third direction.
Optionally, the support comprises a harness mounting portion and/or a fascia mounting portion.
Optionally, the rear side structure further includes a rear roof rail and a connection bracket connected to the rear side rail, and the connection bracket connects the rear roof rail and the support member, respectively.
Optionally, the rear top cross beam is fixedly connected with the rear side beam through a joint bracket, and the joint bracket is respectively connected with the joint bracket, the rear side beam and the supporting piece.
Optionally, the rear side rail comprises an inner plate and an outer plate, and the inner plate and the outer plate enclose an internal cavity;
the connecting bracket is arranged in the inner cavity and is respectively connected with the inner plate and the outer plate.
Optionally, the rear shock absorber is formed by integral casting.
In a second aspect of the present disclosure, a body-in-white assembly is provided that includes the rear side structure described above.
In a third aspect of the present disclosure, a vehicle is also provided, including the above-described body-in-white assembly.
Through above-mentioned technical scheme, the rear portion side structure of this disclosure promptly, through the back shock absorber who connects both between back side roof beam and hat rack crossbeam is constructed to be connected back side roof beam's first junction surface and second junction surface respectively with back shock absorber's first mating surface and second mating surface, thereby support back side roof beam in second direction and third direction. The rear side structure of the rear shock absorber is characterized in that the first matching surface fixedly connected with the first connecting surface and the second matching surface fixedly connected with the second connecting surface of the rear shock absorber are constructed, the support of the second direction and the third direction of the rear side beam is increased, the torsion rigidity of the whole automobile is improved, the stress on the rear suspension can be transferred to the rear side beam and the hat rack cross beam, and the problems of poor dynamic and static rigidity, poor NVH performance and the like of the mounting point of the rear auxiliary frame are solved.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings.
Fig. 1 is a block diagram of a rear side structure provided by some embodiments of the present disclosure.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is based on the B-B cross-sectional view in fig. 2.
Fig. 4 is an enlarged view of a portion of a rear side structure provided by some embodiments of the present disclosure.
Fig. 5 is a partial cross-sectional view of a rear side edge structure provided by some embodiments of the present disclosure.
Fig. 6 is a partial cross-sectional view of another perspective of a rear side edge structure provided by some embodiments of the present disclosure.
Description of the reference numerals
100-Rear side beams, 110-outer plates, 120-inner plates, 101-first connecting surfaces, 102-second connecting surfaces and 103-third connecting surfaces;
200-hat rack cross beams;
300-rear shock absorber, 310-suspension mounting part, 301-first matching surface, 302-second matching surface;
400-support, 401-third mating face, 402-harness mounting portion, 403-plaque mounting portion;
500-rear top cross beam, 510-joint bracket;
600-connecting bracket.
Detailed Description
Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.
In this disclosure, unless otherwise indicated, terms of orientation such as "upper, lower, left, right" and "upper, lower, left, right" are used generally with respect to the figures, to "inner, outer" are used to refer to the inner and outer of the contour of the corresponding component, and to "distal, proximal" are used to refer to the relative structure or relative component away from or toward another structure or component. In the drawings of the present disclosure, X represents a first direction, i.e., a front-rear direction corresponding to a vehicle, Z represents a second direction, i.e., a height direction corresponding to the vehicle, and Y represents a third direction, i.e., a left-right direction corresponding to the vehicle. In addition, the terms "first," "second," and the like, as used in this disclosure, are used to distinguish one element from another element without sequence or importance. Furthermore, in the following description, when referring to the drawings, the same reference numerals in different drawings denote the same or similar elements unless otherwise explained. The foregoing definitions are provided for the purpose of illustrating and explaining the present disclosure and should not be construed as limiting the present disclosure.
In the related art, regarding the rear side area of the body-in-white structure, the current mainstream three-compartment vehicle type generally constructs a C-pillar side rail and a hat rack cross beam, only the root of the rearmost end of the three-compartment vehicle type is connected by a simple connecting piece, and the front part of the three-compartment vehicle type is generally free from Z-direction support, so that the overall torsional rigidity is affected, the dynamic and static rigidity performance of the mounting point of the rear auxiliary frame is also affected, and the NVH performance under a rough road surface is affected.
In the related art, a C column side beam cavity structure constructed above a rear triangular window extends downwards in an inclined way along with the trend of external modeling until the C column side beam cavity structure is intersected with a Z-direction plane structure of a hat rack cross beam at the tail end of a rear windshield glass in a 'number' mode. In its rear region, only a simple connecting piece is used for connection, but in its front region, it is an isolated cantilever structure, and has no Z-direction structural support design, resulting in the problems of small dynamic and static rigidity of the mounting point of the rear auxiliary frame, poor NVH performance, etc.
To achieve the above object, as shown in fig. 1 to 6, a first aspect of the present disclosure provides a rear side structure including a rear side rail 100, a hat rack cross rail 200, and a rear shock tower 300. The rear side edge beam 100 extends along a first direction X and comprises a first connecting surface 101 perpendicular to a second direction Z and a second connecting surface 102 perpendicular to a third direction Y, the hat rack cross beam 200 extends along the second direction Z, the rear shock absorber 300 is connected to the hat rack cross beam 200 and is provided with a suspension mounting part 310 for connecting with a rear suspension of a rear auxiliary frame, a first matching surface 301 corresponding to the first connecting surface 101 and fixedly connected with the second matching surface 302 corresponding to the second connecting surface 102 and fixedly connected with the first matching surface.
Through the above technical solution, i.e., the rear side structure of the present disclosure, the rear side girder 100 is supported in the second direction Z and the third direction Y by constructing the rear shock tower 300 connecting the rear side girder 100 and the hat rack cross-beam 200 and connecting the first connection surface 101 and the second connection surface 102 of the rear side girder 100 with the first mating surface 301 and the second mating surface 302 of the rear shock tower 300, respectively. According to the rear side structure, through the first matching surface 301 fixedly connected with the first connecting surface 101 and the second matching surface 302 fixedly connected with the second connecting surface 102 of the rear shock absorber 300, the support of the second direction Z and the third direction Y of the rear side beam is increased, the torsion rigidity of the whole automobile is improved, the stress on the rear suspension can be transferred to the rear side beam and the hat rack cross beam 200, and the problems of weak dynamic and static rigidity, poor NVH performance and the like of the mounting point of the rear auxiliary frame are solved.
The second direction Z may be a height direction of the vehicle, that is, the rear shock absorber 300 may realize support in the height direction (Z direction) of the vehicle, and simultaneously directly transfer stress of the rear suspension of the rear subframe to the rear side rail 100 and the hat rack cross rail 200, thereby improving dynamic and static stiffness and NVH performance.
In some embodiments, the first direction X, the second direction Z, and the third direction Y are perpendicular to one another. The first direction X may be a front-rear direction (X direction) of the vehicle, the second direction Z may be a height direction (Z) of the vehicle, and the third direction Y may be a left-right direction (i.e., Y direction) of the vehicle. The first direction X may be approximately parallel to the front-rear direction of the vehicle, and the third direction Y may be approximately parallel to the left-right direction of the vehicle.
To further increase the connection strength of the rear shock tower 300 and the rear side rail 100, the rear side rail 100 is prevented from being forced to turn inwards, as shown in fig. 1 to 4, and in some embodiments, the rear side structure further includes a support 400, and the support 400 is connected to the inner surfaces of the rear shock tower 300 and the rear side rail 100, respectively. The connection strength of the rear shock absorber 300 and the rear side rail 100 is further improved by providing the support 400 connecting the inner surfaces of the two inside the body-in-white assembly. It should be noted that, the connection between the support 400 and the rear shock tower 300 and the rear side rail 100 may include, but is not limited to, riveting, bolting, welding, etc.
Optionally, the rear side rail 100 further includes a third connection surface 103, and the support 400 has a third mating surface 401 corresponding to and fixedly connected with the third connection surface 103 for supporting the rear side rail 100 in a third direction Y (Y direction). The third mating surface 401 may be a plane perpendicular to the third direction Y, or may be a plane having a certain included angle with the third direction Y, and a connection point for connection with the rear shock absorber 300 may be provided on the support 400, and a connection point for connection with the rear side beam 100 may be provided on the third mating surface 401. It will be appreciated that the connection point may be formed by riveting, screwing or welding. The third direction Y may be a left-right direction of the vehicle (i.e., Y direction in fig. 1).
To facilitate the securement of the internal wiring harness and the mounting securement of the vehicle's interior trim panel, as shown in fig. 4, in some embodiments, the support 400 includes a wiring harness mounting portion 402 and/or a trim panel mounting portion 403. The harness mounting portion 402 may be configured as a via hole, the plaque mounting portion 403 may be configured as a bar hole, or the like.
From the above, the stress of the rear subframe of the vehicle can be transferred to the rear shock absorber 300 through the rear suspension, and then transferred through the rear side beam 100 and the hat rack beam 200, which are respectively connected with the rear shock absorber 300, to form a high-efficiency force transfer path, i.e. the stress on the rear shock absorber 300 is efficiently transferred to the rear side beam structure, and meanwhile, the rear shock absorber 300 structure can also provide support in the second direction (Z direction) and the third direction (Y direction) for the rear side beam structure, so as to improve the torsional rigidity and torsional mode of the whole vehicle.
To further enhance support in the third direction (Y-direction), in some embodiments, the rear side structure further includes a rear roof rail 500 and a connection bracket 600 connected to the rear side rail 100, and the connection bracket 600 connects the rear roof rail 500 and the support 400, respectively. Through constructing the linking bridge 600 of connecting both between back top crossbeam 500 and support 400, can transmit back shock tower 300, the atress of support 400 of back shock tower 300 to back top crossbeam 500, form the whole car Y of more high efficiency to supporting, further promote NVH performance under the corresponding frequency.
In some embodiments, the rear roof rail 500 is fixedly coupled to the rear side rail 100 by a joint bracket 510, and the connection bracket 600 connects the joint bracket 510, the rear side rail 100, and the support 400, respectively. The rear roof rail 500 is fixedly connected to the rear side rail 100 through the joint bracket 510, and thus, the joint bracket 510 and the support 400 may be directly connected to each other through the connection counter frame in consideration of the distance relationship.
The rear shock absorber 300 is connected to the rear side girder 100 and the hat rack cross girder 200, respectively, wherein the rear shock absorber is connected to the first connection surface 101 and the second connection surface 102 of the rear side girder 100 to realize the Z-direction and the Y-direction support, and the hat rack cross girder 200 is connected to realize the Y-direction support. Meanwhile, the third connection surface 103 of the rear shock-absorbing tower 300 is connected with the hat rack cross-beam 200 through the support 400, further achieving Y-direction support. Furthermore, the rear shock-absorbing tower 300 may be further coupled to the rear roof rail 500 through the support 400 and the connection bracket 600, further improving the Y-direction support. And because of the connection, the stress of the rear shock absorber 300 can be better transferred to the rear side edge beam 100, the hat rack cross beam 200 and the top cross beam, so that an efficient force transfer path is formed, and the NVH performance is improved.
The rear side rail 100 may be constructed in any suitable manner, as shown in fig. 3 and 6, and in some embodiments, the rear side rail 100 includes an inner plate 120 and an outer plate 110, the inner plate 120 and the outer plate 110 enclosing an interior chamber C, and a connection bracket 600 disposed within the interior chamber C and connected to the inner plate 120 and the outer plate 110, respectively.
The strength and rigidity of the rear side rail 100 are further improved by disposing the connecting bracket 600 inside the inner chamber C and connecting with the inner panel 120 and the outer panel 110, respectively. The lower part of the connecting bracket 600 is respectively connected with the inner plate 120 of the rear side beam 100, the rear shock absorber 300 and the supporting piece 400 connected with the rear shock absorber 300, and the upper part is directly connected with the outer plate 110 of the rear side beam 100, so that the dynamic and static rigidity of the rear suspension mounting point, the torsional rigidity and the torsional mode of the whole vehicle can be effectively improved, and the stress of the rear suspension mounting point can be dispersed and transferred to the front part and the rear part of the rear side beam structure, thereby improving the durability of the whole vehicle.
Alternatively, rear shock absorber 300 is integrally cast. The rear shock absorber 300 can be cast integrally, so that all mounting points of the integrated rear suspension air spring assembly can be integrated, the assembly precision is improved, and the dynamic stiffness and the static stiffness of each mounting point can be improved efficiently.
In a second aspect of the present disclosure, a body-in-white assembly is provided that includes the rear side structure described above. The two sides of the white body assembly in the left-right direction can adopt the rear side edge structure, so that the strength and the rigidity of the whole vehicle are improved, and the NVH performance is improved.
In a third aspect of the present disclosure, a vehicle is provided, which includes the above-mentioned body-in-white assembly, and therefore, the vehicle also has all the advantages of the above-mentioned body-in-white assembly, and will not be described in detail herein.
The rear side structure, the body-in-white assembly and the vehicle of the present disclosure have the following advantages.
1) The rear shock absorber 300 constructed between the rear side beam 100 and the hat rack cross beam 200 not only can integrate all mounting points of the integrated rear suspension air spring assembly to improve the assembly precision, but also adopts the structural form of castings to effectively improve the dynamic and static rigidity of each mounting point.
2) The constructed rear shock absorber 300 can be directly connected with the rear side beam 100 structure in the Z direction (namely the connection of the first connecting surface 101 and the first matching surface 301 in the second direction) and the Y direction (namely the connection of the second connecting surface 102 and the second matching surface 302 in the third direction) to form an efficient force transmission path, so that the stress on the rear shock absorber 300 is efficiently transmitted to the rear side beam structure, and meanwhile, the Z-direction and Y-direction support can be provided for the rear side beam structure, and the torsional rigidity and torsional mode of the whole vehicle are improved.
3) The support 400 between the rear shock absorber 300 and the rear side beam 100 can increase the Y-direction inward support of the rear side beam, reduce NVH noise response under low frequency, efficiently improve torsional rigidity and mode of the whole vehicle, and provide mounting points for wire harnesses and ornamental plates, and has high integration level.
4) The lower part of the connecting bracket 600 which is arranged in the inner cavity of the rear side beam is directly connected with the rear shock absorber 300 and the support 400 which is connected with the rear shock absorber 300, and the upper part of the connecting bracket is directly connected with the outer plate 110 of the rear side beam 100, so that the dynamic and static rigidity of a rear suspension mounting point, the torsional rigidity and the torsional mode of the whole vehicle can be effectively improved, the stress of the connecting bracket can be dispersed and transferred to the front part and the rear part of the rear side beam structure, and the durability of the whole vehicle is improved.
5) The connecting bracket 600 of the inner cavity of the rear side beam 100 is directly connected with the joint bracket 510 of the rear top beam 500, so that the stress of the rear shock absorber 300 and the support piece 400 of the rear shock absorber 300 can be transferred to the rear top beam 500, a more efficient whole vehicle Y-direction support is formed, and the NVH performance under the corresponding frequency is further improved.
The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the embodiments described above, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.
In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present disclosure does not further describe various possible combinations.
Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.
Claims (11)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422626679.7U CN223187555U (en) | 2024-10-29 | 2024-10-29 | Rear side structure, body-in-white assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422626679.7U CN223187555U (en) | 2024-10-29 | 2024-10-29 | Rear side structure, body-in-white assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223187555U true CN223187555U (en) | 2025-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422626679.7U Active CN223187555U (en) | 2024-10-29 | 2024-10-29 | Rear side structure, body-in-white assembly and vehicle |
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| Country | Link |
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| CN (1) | CN223187555U (en) |
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