CN218949061U

CN218949061U - Object placing plate structure for vehicle and vehicle

Info

Publication number: CN218949061U
Application number: CN202222871193.0U
Authority: CN
Inventors: 孙福华; 侯田平; 李朝晖
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-05-02
Anticipated expiration: 2032-10-28

Abstract

The embodiment of the application provides a vehicle is with thing board structure and vehicle, thing board structure includes: the rack comprises a rack body, wherein one end of the rack body is fixedly connected with a first concave table, the other end of the rack body is fixedly connected with a second concave table, and the sections of the first concave table and the second concave table are in a folded line shape, so that the rack body, the first concave table and the second concave table form a ladder-shaped structure taking the rack body as a highest platform; the support plate is used for supporting a rear seat of the vehicle and limiting the angle of the rear seat of the vehicle; the first concave table is connected with a front cross beam, the second concave table is connected with a rear cross beam, the front cross beam is used for being fixedly connected with the supporting plate, and the rear cross beam is used for being connected with the tail of a vehicle. The embodiment of the application aims to solve the problem that NVH performance of a vehicle is reduced due to the fact that a heavy bass loudspeaker is arranged on the vehicle.

Description

Object placing plate structure for vehicle and vehicle

Technical Field

The embodiment of the application relates to the technical field of automobiles, in particular to a vehicle rack structure and a vehicle.

Background

For automobiles, the NVH problem is everywhere, and the sources generated according to the problem can be divided into three major parts of engine NVH, vehicle body NVH and chassis NVH, and further can be further divided into aerodynamic NVH, air conditioning system NVH, road running NVH, brake system NVH and the like. The acoustic roughness, which may also be referred to as harshness or impact properties, is related to the transient nature of vibration and noise, describing the subjective perception of vibration and noise by the human body, and cannot be measured directly by objective measurement methods. Comfort and comfort of passengers in automobiles and problems of strength and service life of automobile parts caused by vibration are all included in the research category of NVH.

The traditional car trunk shelf is generally used for supporting a trunk, storing clothes and the like, has single application, is fully utilized along with the continuous development of technology, and is most obviously provided with a mounting point for a subwoofer. However, the sound emission frequency of the subwoofer is concentrated in a low frequency region below 50Hz, and the sound has a sense of pressure in ears at the frequency, and is matched with the sheet metal mode frequency, so resonance is very easy to occur, the rolling problem is caused, and the NVH performance of the vehicle is reduced.

Disclosure of Invention

The embodiment of the application provides a vehicle is with object placing plate structure and vehicle, has solved the vehicle and has led to the NVH performance reduction's of vehicle problem because of setting up heavy bass loudspeaker.

A first aspect of the embodiments of the present application provides a vehicle rack structure, including:

the storage rack comprises a storage rack body, wherein a first concave table is arranged at one end of the storage rack body, a second concave table is arranged at the other end of the storage rack body, and a heavy bass loudspeaker bracket is arranged on the storage rack body for installation of a heavy bass loudspeaker;

the first concave table is connected with a front cross beam, the second concave table is connected with a rear cross beam, the front cross beam is fixedly connected with the supporting plate, and the rear cross beam is connected with the tail of the vehicle;

the backup pad, the higher one end of backup pad with the front beam is connected, and the other end is connected with the floor of vehicle to form the contained angle with the floor of vehicle, the backup pad is used for supporting the back row seat of vehicle, and carries out spacingly to the angle of back row seat of vehicle.

Optionally, the sections of the first concave table and the second concave table are in a folded shape, so that the shelf body, the first concave table and the second concave table form a ladder-shaped structure taking the shelf body as a highest platform;

the front cross beam is a rectangular folded plate, and the first concave table is a rectangular folded plate matched with the front cross beam so as to be connected with the front cross beam;

the rear cross beam is an arc-shaped folded plate, and the second concave table is an arc-shaped folded plate matched with the rear cross beam so as to be matched with the tail of the vehicle.

Optionally, the bending portions of the front beam and the rear beam are opposite to form a first cavity between the front beam and the first recess, and a second cavity between the rear beam and the second recess.

Optionally, the inclined angle between the support plate and the floor of the vehicle ranges between 65 ° and 70 °.

Optionally, a first reinforcing member is arranged on the supporting plate, and the first reinforcing member comprises two L-shaped reinforcing ribs arranged on the supporting plate and/or rectangular reinforcing ribs arranged on the supporting plate;

the two L-shaped reinforcing ribs are arranged in an axisymmetric mode by taking the length central line of the supporting plate as a symmetry axis.

Optionally, the rectangular reinforcing ribs include a first rectangular reinforcing rib and a second rectangular reinforcing rib, the aspect ratios of the first rectangular reinforcing rib and the second rectangular reinforcing rib are different, and the concave-convex directions are opposite.

Optionally, the lateral surface of front beam is equipped with the second reinforcement, the second reinforcement includes first strengthening rib, second strengthening rib and third strengthening rib, first strengthening rib the second strengthening rib with third strengthening rib is integrated into one piece respectively connects in a plurality of sides of broken line form front beam.

Optionally, a third stiffener is arranged on the shelf body, the third stiffener comprises a frame stiffener and a cross stiffener, the frame stiffener is arranged on the shelf body, the cross stiffener is positioned in the frame stiffener, and the deformation directions of the frame stiffener and the cross stiffener are opposite.

Optionally, the number of the subwoofer supports is two, and the two subwoofer supports are axisymmetrically arranged with the length center line of the support plate body as a symmetry axis.

A second aspect of the embodiments provides a vehicle including a deck structure for a vehicle as described.

Adopt this application to provide a thing board structure and vehicle for vehicle has following beneficial effect:

on one hand, as the shelf is a large plate, the rigidity and the mode are lower, if the shelf is not subjected to reinforcement design, the shelf is easy to be excited by the low frequency of the bass loudspeaker, and the first concave table and the second concave table arranged on the shelf body form a ladder-shaped structure taking the shelf body as the highest platform, so that the bending rigidity and the mode of the shelf can be greatly improved;

on the other hand, the front cross beam is used for being fixedly connected with the supporting plate, so that the supporting plate supports a rear-row seat of the vehicle and limits the angle of the rear-row seat of the vehicle, and the rear cross beam is convenient to be connected with the tail of the vehicle.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments of the present application will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of an automotive tray according to an embodiment of the present disclosure;

fig. 2 is a schematic structural view of a rack body, a first recess table and a second recess table according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural view of a front cross member according to an embodiment of the present disclosure;

FIG. 4 is a schematic view of a support plate according to an embodiment of the present application;

fig. 5 is a schematic structural view of a first cavity and a second cavity in an automotive tray according to an embodiment of the present disclosure.

Description of the drawings: 1. a storage plate body; 2. a first concave stage; 3. a second concave station; 4. a subwoofer stand; 5. a support plate; 6. a front cross member; 7. a rear cross member; 8. a first cavity; 9. a second cavity; 10. l-shaped reinforcing ribs; 11. rectangular reinforcing ribs; 111. a first rectangular reinforcing rib; 112. a second rectangular reinforcing rib; 12. a first reinforcing rib; 13. a second reinforcing rib; 14. a third reinforcing rib; 15. frame-shaped reinforcing ribs; 16. cross reinforcing ribs.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

The traditional car trunk shelf is generally used for supporting a trunk, storing clothes and the like, has single application, is fully utilized along with the continuous development of technology, and is most obviously provided with a mounting point for a subwoofer. However, the sound emission frequency of the subwoofer is concentrated in a low-frequency region below 50Hz, and the sound has a pressing ear feel at the frequency, is matched with the sheet metal mode frequency, and is very easy to cause resonance, so that the problem of acoustic Noise (NVH) is caused, and the NVH performance of the vehicle is reduced.

In view of this, the embodiment of the application provides a vehicle rack structure and vehicle, has solved the vehicle and has set up the problem that the NVH performance of vehicle reduces because of heavy bass loudspeaker. The following are provided:

a vehicle rack structure, referring to fig. 1, the rack structure includes:

the rack comprises a rack body 1, wherein one end of the rack body 1 is fixedly connected with a first concave table 2, and the other end of the rack body 1 is fixedly connected with a second concave table 3.

Wherein, the shelf board body 1 is provided with a heavy bass loudspeaker bracket 4 for mounting a heavy bass loudspeaker;

the first concave table 2 is connected with a front cross beam 6, the second concave table 3 is connected with a rear cross beam 7, the front cross beam 6 is fixedly connected with the supporting plate 5, and the rear cross beam 7 is connected with the tail of a vehicle;

the backup pad 5, the higher one end of backup pad 5 with front cross beam 6 is connected, and the other end is connected with the floor of vehicle to form the contained angle with the floor of vehicle, backup pad 5 is used for supporting the back row seat of vehicle, and carries out spacingly to the angle of the back row seat of vehicle.

Through the arrangement of the application, on one hand, as the shelf is a large plate, the rigidity and the mode are lower, if the shelf is not subjected to reinforcement design, the shelf is easy to be excited by low frequency of a bass loudspeaker, and the first concave table 2 and the second concave table 3 arranged on the shelf body 1 form a ladder-shaped structure taking the shelf body 1 as the highest platform, so that the bending rigidity and the mode of the shelf can be greatly improved;

on the other hand, the front cross member 6 is fixedly connected with the support plate 5, so that the support plate 5 supports the rear seat of the vehicle and limits the angle of the rear seat of the vehicle, and the rear cross member 7 is convenient to be connected with the tail of the vehicle. In this embodiment, referring to fig. 2, the sections of the first recess 2 and the second recess 3 are in a fold line shape, so that the shelf body 1, the first recess 2 and the second recess 3 form a stepped structure with the shelf body 1 as the highest platform.

In this application embodiment, referring to fig. 2, the cross sections of the tray body 1, the first concave station 2 and the second concave station 3 are stepped, and this design mode can effectively promote the bending rigidity and the connection strength of the whole formed by connecting the tray body 1, the first concave station 2 and the second concave station 3.

The front cross beam 6 is a rectangular folded plate, and the first concave table 2 is a rectangular folded plate matched with the front cross beam 6 so as to be connected with the front cross beam 6;

the rear cross beam 7 is an arc-shaped folded plate, and the second concave table 3 is an arc-shaped folded plate matched with the rear cross beam 7 so as to be matched with the tail of a vehicle.

The arc-shaped folded plate-shaped rear cross beam 7 is matched with the shape of the arc-shaped tail of the vehicle, so that the vehicle can be better matched without affecting other parts.

In this embodiment, referring to fig. 1, the rear cross member 7 is also in a shape of a fold line, such an arrangement of the rear cross member 7 has a high bending stiffness, and the arrangement of the rear cross member 7 facilitates the connection with the rack body 1.

In this embodiment, the rack body 1, the first concave station 2 and the second concave station 3 are fixedly connected, and the connection modes thereof may be rigid and fixed connection modes such as bonding, clamping, welding, bolt fixing connection or integral forming, and the like, which are not particularly limited herein.

In the embodiment of the present application, the connection manner between the front beam 6 and the first concave station 2, and the connection manner between the rear beam 7 and the second concave station 3 may be a rigid fixed connection manner such as bonding, clamping, welding, bolt fixing connection or integral molding, and the like, which is not particularly limited herein.

In this embodiment, referring to fig. 1 and 2, since the front beam 6 is designed in a fold line plate shape, there are a plurality of planes with different orientations on the outer side surface of the front beam 6, wherein the number of planes is three, the arrangement of the front plane is convenient to connect with the support plate 5, the upper plane is convenient to connect with the shelf body 1 and the subwoofer stand 4, and the remaining one plane is located between the upper plane and the front plane for connecting the upper plane and the front plane.

In the embodiment of the present application, the connection manner between the front beam 6 and the support plate 5 may be a rigid fixing connection manner such as bonding, clamping, welding, bolt fixing connection or integral molding, which is not particularly limited herein.

In the embodiment of the present application, the connection manner between the front beam 6 and the subwoofer bracket 4 may be a rigid fixed connection manner such as bonding, clamping, welding, bolt fixing connection or integral molding, which is not particularly limited herein.

In the present embodiment, the support plate 5 is a large plate member having a width of 1080mm and a height of 522mm and an aspect ratio of about 0.48.

For structural strength of the reinforcing support plate 5, the present application has the following arrangement:

in this embodiment, referring to fig. 4, the support plate 5 is provided with a first reinforcement, where the first reinforcement includes two L-shaped reinforcing ribs 10 provided on the support plate 5, and/or rectangular reinforcing ribs 11 provided on the support plate 5;

wherein, the two L-shaped reinforcing ribs 10 are arranged axisymmetrically by taking the length central line of the supporting plate 5 as a symmetry axis.

The arrangement of the two L-shaped reinforcing ribs 10 and the rectangular reinforcing ribs 11 greatly improves the structural strength of the supporting plate 5, and further improves the overall NVH performance.

In this embodiment, referring to fig. 4, the rectangular stiffener 11 includes a first rectangular stiffener 111 and a second rectangular stiffener 112, where the aspect ratios of the first rectangular stiffener 111 and the second rectangular stiffener 112 are different, and the concave-convex directions are opposite.

Wherein, the first rectangular stiffener 111 is fixedly connected to the support plate 5, and the second rectangular stiffener 112 is fixedly connected to the first stiffener 112. The first rectangular reinforcing ribs 111 may be provided to be convex outward, and the second reinforcing ribs 112 are concave inward; the first rectangular reinforcing ribs 111 may also be provided to be concave inward, and the second reinforcing ribs 112 are convex outward. The structural strength can be further enhanced by the arrangement of the opposite concave-convex directions.

In the embodiment of the present application, the width of the first rectangular stiffener 111 may be 743mm, the height of the first rectangular stiffener 111 may be 170mm, and the aspect ratio of the first rectangular stiffener 111 is about 0.23.

The width of the second rectangular stiffener 112 may be 436mm, the height of the second rectangular stiffener 112 may be 32mm, and the aspect ratio of the second rectangular stiffener 112 may be about 0.07.

The structural surface rigidity of the supporting plate 5 can be effectively improved through the design of different aspect ratios, and resonance with other metal plates is avoided.

In order to strengthen the structural strength of the front cross member 6, the present application has the following arrangement:

in this embodiment, referring to fig. 3, the outer side surface of the front beam 6 is provided with a second reinforcing member, the second reinforcing member includes a first reinforcing rib 12, a second reinforcing rib 13 and a third reinforcing rib 14, and the first reinforcing rib 12, the second reinforcing rib 13 and the third reinforcing rib 14 are respectively integrally formed and connected to a plurality of side surfaces of the fold-line-shaped front beam 6.

The plurality of fixedly connected reinforcing ribs greatly enhance the overall structural strength of the front cross beam 6 and further improve the NVH performance of the vehicle.

Referring to fig. 3, the first reinforcing rib 12, the second reinforcing rib 13 and the third reinforcing rib 14 have lengths of 115mm, the first reinforcing rib 12 is located at the upper part, the second reinforcing rib 13 is located at the middle part, and the third reinforcing rib 14 is located at the lower part. The width dimension of the first reinforcing rib 12 is 51mm, the width dimension of the second reinforcing rib 13 is 26mm, the width dimension of the third reinforcing rib 14 is 28mm, and the width dimensions of the first reinforcing rib 12, the second reinforcing rib 13 and the third reinforcing rib 14 are different, so that the structural strength of the front cross beam 6 can be effectively improved.

In order to strengthen the structural strength of the shelf body 1, the present application has the following arrangement:

in this embodiment of the present application, referring to fig. 2, a third reinforcement is provided on the rack body 1, the third reinforcement includes a frame-shaped reinforcing rib 15 and a cross reinforcing rib 16, the frame-shaped reinforcing rib 15 is provided on the rack body 1, the cross reinforcing rib 16 is located in the frame-shaped reinforcing rib 15, and the deformation directions of the frame-shaped reinforcing rib 15 and the cross reinforcing rib 16 are opposite.

In the embodiment of the present application, the frame-shaped reinforcing ribs 15 are recessed downward, and the cross-shaped reinforcing ribs 16 are raised upward.

The reinforced design with opposite deformation directions can improve the surface rigidity of the shelf body 1 and reduce the vibration sensitivity of the plate structure.

The frame-shaped reinforcing ribs 15 have a length of 594mm and a width of 128mm. The cross-shaped reinforcing rib 16 is positioned in the middle of the frame-shaped reinforcing rib 15.

In the embodiment of the present application, referring to fig. 5, the bent portions of the front beam 6 and the rear beam 7 are opposite to form a first cavity 8 between the front beam 6 and the first recess 2, and a second cavity 9 between the rear beam 7 and the second recess 3.

Because the front cross beam 6 is opposite to the bending part of the rear cross beam 7, the front cross beam 6 and the first concave table 2 form a first cavity 8 in a box, the rear cross beam 7 and the second concave table 3 form a second cavity 9 in a box, the rigidity and the mode of the whole rack plate body 1 are further improved by the arrangement of the first cavity 8 and the second cavity 9, the effect of reducing the vibration sensitivity of the rear end of the vehicle is achieved, and therefore the purpose of improving the NVH performance of the vehicle is achieved.

Meanwhile, the first cavity 8 and the second cavity 9 have buffering and energy absorbing effects, so that the safety coefficient of side collision of the rear row can be effectively improved, and the safety performance is improved.

In the embodiment of the present application, referring to fig. 5, the inclination angle between the support plate 5 and the floor of the vehicle ranges from 65 ° to 70 °. The inclination included angle between the supporting plate 5 and the floor of the vehicle is between 65 degrees and 70 degrees, which is in a better man-machine arrangement, can better ensure the riding comfort of the rear seat passengers and accords with the ergonomic principle.

In the embodiment of the application, the inclination angle between the supporting plate 5 and the floor of the vehicle is 66 degrees.

The beneficial effects of this kind of setting are as follows:

1. the supporting plate 5 can limit the back row seats;

2. the inclined included angle is 66 degrees, so that the optimal man-machine arrangement is met, the torsional rigidity of the whole car is greatly improved, the deformation of a door frame is effectively reduced, and the NVH and BSR abnormal sound is remarkably improved.

In this embodiment, the number of the subwoofer supports 4 is two, and the two subwoofer supports 4 are symmetrically arranged with the length center line of the support plate 5 body as a symmetry axis.

The heavy woofer support 4 is provided for the installation of the heavy woofer, the heavy woofer support 4 is positioned at the left and right sides of the length center line of the shelf body 1, and the design has the following advantages:

1. the vibration of the sound cannon can be effectively reduced, and the effect of preventing the plate from resonating is achieved;

2. the heavy bass loudspeaker support 4 is arranged at the second-order mode shape of the shelf body 1, so that the vibration amplitude of the plate structure can be effectively reduced, and the rigidity and the mode of the shelf body 1 are further improved;

3. the heavy bass loudspeaker support 4 symmetrically arranged left and right is distributed with the upper and lower parts to form the welding lines of M and W, which can effectively improve the welding strength and avoid the welding stress.

Another embodiment of the present application also provides a vehicle including the above-described vehicle rack structure, based on the same inventive concept.

In general, embodiments of the present application have the following advantages:

on the one hand, as the shelf is a large plate, the rigidity and the mode are lower, if the shelf is not subjected to reinforcement design, the shelf is easy to be excited by the low frequency of the bass loudspeaker, and the first concave table 2 and the second concave table 3 arranged on the shelf body 1 form a ladder-shaped structure taking the shelf body 1 as the highest platform, so that the bending rigidity and the mode of the shelf can be greatly improved;

on the other hand, the front cross member 6 is fixedly connected with the support plate 5, so that the support plate 5 supports the rear seat of the vehicle and limits the angle of the rear seat of the vehicle, and the rear cross member 7 is convenient to be connected with the tail of the vehicle.

It should also be noted that, in this document, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and to simplify the description, but do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Moreover, relational terms such as "first" and "second" may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions, or order, and without necessarily being construed as indicating or implying any relative importance. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or terminal device comprising the element.

The foregoing has outlined rather broadly the more detailed description of the present application, and the detailed description of the principles and embodiments herein may be better understood as being a limitation on the present application. Also, various modifications in the details and application scope may be made by those skilled in the art in light of this disclosure, and all such modifications and variations are not required to be exhaustive or are intended to be within the scope of the disclosure.

Claims

1. A vehicle rack structure, characterized in that the rack structure comprises:

the storage rack comprises a storage rack body (1), wherein a first concave table (2) is arranged at one end of the storage rack body (1), a second concave table (3) is arranged at the other end of the storage rack body (1), and a heavy bass loudspeaker bracket (4) is arranged on the storage rack body (1) for installation of a heavy bass loudspeaker;

the first concave table (2) is connected with a front cross beam (6), the second concave table (3) is connected with a rear cross beam (7), the front cross beam (6) is fixedly connected with the supporting plate (5), and the rear cross beam (7) is connected with the tail of a vehicle;

the support plate (5), higher one end of support plate (5) with front beam (6) is connected, and the other end is connected with the floor of vehicle to form the contained angle with the floor of vehicle, support plate (5) are used for supporting the back row seat of vehicle, and to the angle of back row seat of vehicle carries out spacingly.

2. The vehicle tray structure according to claim 1, wherein the first concave stage (2) and the second concave stage (3) are folded in cross section so that the tray body (1), the first concave stage (2) and the second concave stage (3) form a stepped structure with the tray body (1) as a highest platform;

the front cross beam (6) is a rectangular folded plate, and the first concave table (2) is a rectangular folded plate matched with the front cross beam (6) so as to be connected with the front cross beam (6);

the rear cross beam (7) is an arc-shaped folded plate, and the second concave table (3) is an arc-shaped folded plate matched with the rear cross beam (7) so as to be matched with the tail of a vehicle.

3. The vehicle rack structure according to claim 2, wherein the bent portions of the front cross member (6) and the rear cross member (7) are opposite to each other to form a first cavity (8) between the front cross member (6) and the first recess (2), and a second cavity (9) between the rear cross member (7) and the second recess (3).

4. The vehicle rack structure according to claim 1, wherein the inclination angle between the support plate (5) and the floor of the vehicle ranges between 65 ° and 70 °.

5. The vehicle rack structure according to claim 1, wherein the support plate (5) is provided with a first reinforcement comprising two L-shaped reinforcement ribs (10) provided on the support plate (5) and/or rectangular reinforcement ribs (11) provided on the support plate (5);

wherein, two L-shaped reinforcing ribs (10) are arranged in an axisymmetric way by taking the length central line of the supporting plate (5) as a symmetry axis.

6. The vehicle rack structure according to claim 5, wherein the rectangular stiffener (11) comprises a first rectangular stiffener (111) and a second rectangular stiffener (112), the first rectangular stiffener (111) and the second rectangular stiffener (112) being different in aspect ratio and opposite in the direction of the concavity and convexity.

7. The vehicle rack structure according to claim 1, wherein the outer side surface of the front cross member (6) is provided with a second reinforcement, the second reinforcement includes a first reinforcement (12), a second reinforcement (13) and a third reinforcement (14), and the first reinforcement (12), the second reinforcement (13) and the third reinforcement (14) are integrally formed and connected to a plurality of side surfaces of the front cross member (6) in a fold line shape, respectively.

8. The vehicle rack structure according to claim 1, wherein a third reinforcement is provided on the rack body (1), the third reinforcement comprises a frame-shaped reinforcement rib (15) and a cross-shaped reinforcement rib (16), the frame-shaped reinforcement rib (15) is provided on the rack body (1), the cross-shaped reinforcement rib (16) is positioned in the frame-shaped reinforcement rib (15), and deformation directions of the frame-shaped reinforcement rib (15) and the cross-shaped reinforcement rib (16) are opposite.

9. The vehicle shelf structure according to claim 1, wherein the number of the subwoofer brackets (4) is two, and the two subwoofer brackets (4) are arranged axisymmetrically with a longitudinal center line of the support plate (5) body as a symmetry axis.

10. A vehicle, characterized in that it comprises a vehicle tray structure according to any one of claims 1-9.