CN221393704U - Vehicle body reinforcing ring assembly, vehicle body and vehicle - Google Patents

Abstract

The utility model discloses a vehicle body reinforcing ring assembly, a vehicle body and a vehicle, wherein the vehicle body reinforcing ring assembly comprises: bottom plate, connect in curb plate and the first roof beam of bottom plate width direction both sides, first roof beam with the bottom plate with the curb plate links to each other, first roof beam includes: the middle plate and the cavity plates are positioned on two sides of the middle plate, at least part of the middle plate is spaced from the bottom plate and/or the side plates, the cavity plates, the middle plate, the bottom plate and/or the side plates define a cavity, and the cavity plates are triangular or trapezoidal in structure. The automobile body strengthening ring assembly can improve the torsional rigidity and the dynamic rigidity of the automobile body, vibration reduction and noise reduction performances and improve the driving experience of a user.

Description

Vehicle body reinforcing ring assembly, vehicle body and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a vehicle body reinforcing ring assembly, a vehicle body and a vehicle.

Background

With the increasing demands of people on the driving comfort of vehicles, the noise problem in the driving process of vehicles is increasingly emphasized. During the running of a vehicle, the body is subjected to various loads from roads and loads, and noise generated by vibration of the body structure is one of the main sources of vehicle noise. In the vehicle body structure, a C-ring (acoustic ring) constituted by side walls, roof cross members, and rear floor cross members on both sides in the vehicle body width direction at the damper is a key ring for raising the road noise level in the vehicle body.

In the related art, the dynamic stiffness and torsional stiffness of the C ring structure of the vehicle are low, so that the vibration and noise of the vehicle body are large, the NVH (Noise, vibration, harshness, noise, vibration and acoustic vibration roughness) performance of the whole vehicle is poor, the road noise is obvious in the running process of the vehicle, the safety performance of the whole vehicle is not facilitated, and the driving experience of a user is reduced.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a vehicle body reinforcing ring assembly, which can improve torsional rigidity and dynamic rigidity of a vehicle body, reduce vibration and noise, and improve driving experience of a user.

The utility model also provides a vehicle body with the vehicle body reinforcing ring assembly.

The utility model further provides a vehicle with the vehicle body.

According to an embodiment of the first aspect of the present utility model, a body reinforcing ring assembly includes: the device comprises a bottom plate, side plates and a first beam, wherein the side plates are connected to two sides of the bottom plate in the width direction; the first beam is connected with the bottom plate and the side plate, and the first beam comprises: the middle plate and the cavity plates are positioned on two sides of the middle plate, at least part of the middle plate is spaced from the bottom plate and/or the side plates, the cavity plates, the middle plate, the bottom plate and/or the side plates define a cavity, and the cavity plates are triangular or trapezoidal in structure.

According to the vehicle body reinforcing ring assembly, the cavity can be jointly defined among the first beam, the bottom plate and the side plates, and the cavity plate of the first beam is triangular or trapezoidal, so that the first beam, the bottom plate and the side plates can jointly form a supporting structure with good mechanical properties, the force conduction performance, the torsional rigidity and the dynamic rigidity of the vehicle body reinforcing ring assembly can be improved, the rigidity and the vibration resistance of the vehicle body can be improved, the NVH performance of the whole vehicle can be optimized, and the driving comfort and the safety can be improved.

According to some embodiments of the utility model, the cavity plate is configured as a right triangle or right trapezoid, and one right angle side is defined by the side plate and the other right angle side is defined by the bottom plate.

In some embodiments, the first beam comprises: the first beam is spliced by the connecting plate and the reinforcing plate.

Further, the connecting plate comprises a first section, a second section and a third section which are sequentially connected in the front-back direction of the vehicle body, and the reinforcing plate comprises a fourth section, a fifth section and a sixth section which are sequentially connected in the front-back direction of the vehicle body; the first section and the sixth section are spliced to form the middle plate and are overlapped, the second section and the fifth section are both constructed as cavity plates, and the third section and the fourth section are suitable for being connected with the side plates and the bottom plate.

In some embodiments, the thickness of the connection plate is b1, the thickness of the reinforcement plate is b2, and: b1 < b2.

According to some embodiments of the utility model, the body reinforcing ring assembly further comprises: the beam is arranged on the bottom plate and extends along the width direction of the vehicle body, the end part of the beam is connected with one end of the first beam, the second beam is arranged on the side plate, and the second beam is connected with the other end of the first beam.

Further, the side plate is configured as a wheel cover, and the position height of the connecting area of the first beam and the second beam is higher than the position height of the 2/3 wheel cover.

In some embodiments, at least a portion of the side edges of the first beam overlap at least a portion of the side edges of the second beam.

According to a second aspect of the present utility model, a vehicle body includes a vehicle body stiffener ring assembly according to any one of the above embodiments.

According to an embodiment of the third aspect of the utility model, a vehicle includes the vehicle body described in the above embodiment.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is an isometric view of a vehicle body structure according to some embodiments of the utility model;

FIG. 2 is a schematic illustration of a partial body structure fit according to some embodiments of the utility model;

Fig. 3 is another isometric view of a body structure according to some embodiments of the utility model.

Reference numerals:

A side member 2, a vehicle body 3;

a bottom plate 11;

A side plate 12;

A first beam 13;

A connection plate 131, a first solder joint 1311;

reinforcing plate 132, second solder joint 1321;

A first flange 133;

An intermediate plate 134;

a cavity plate 135;

a second beam 14, a second flange 141;

a beam 15, a beam flange 151;

a seatbelt retractor bracket support plate 16.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

A vehicle body reinforcing ring assembly, a vehicle body 3, and a vehicle according to an embodiment of the present utility model are described below with reference to fig. 1 to 3.

As shown in fig. 3, a vehicle body reinforcing ring assembly according to an embodiment of a first aspect of the present utility model includes: a bottom plate 11, side plates 12 and a first beam 13.

Wherein the side plates 12 are connected to both sides of the bottom plate 11 in the width direction; the first beam 13 is connected to the bottom plate 11 and the side plate 12, and the first beam 13 includes: an intermediate plate 134, cavity plates 135 located on both sides of the intermediate plate 134, at least part of the intermediate plate 134 being spaced apart from the bottom plate 11 and/or the side plates 12, the cavity plates 135, the intermediate plate 134 and the bottom plate 11 and/or the side plates 12 defining a cavity, and the cavity plates 135 being configured as triangles or trapezoids.

Specifically, the first beam 13 may be disposed on one side of the bottom plate 11 and the side plate 12 in the thickness direction and connected to the bottom plate 11 and the side plate 12, the cavity plate 135 in the first beam 13 may be disposed on two sides of the middle plate 134 in the front-rear direction of the vehicle body 3, the middle plate 134, the cavity plate 135 and the bottom plate 11 and/or the side plate 12 define a cavity, the cavity may optimize the force transmission performance between the side plate 12 and the bottom plate 11, and the cavity plate 135 may be configured in a triangle or trapezoid shape, so that the cavity plate 135, the middle plate 134, the bottom plate 11 and the side plate 12 may form a supporting structure with good mechanical properties together, and the torsional rigidity and the dynamic rigidity of the vehicle body 3 assembly structure may be improved.

It should be noted that the body reinforcing ring assembly may be applied to the front, middle and rear portions of the vehicle body 3, respectively, to be engaged with the front, middle and rear three pillars of the vehicle body 3, respectively. The vehicle body reinforcing ring assembly is correspondingly configured as an A ring assembly when being coated on at least part of the periphery of the front column A, is correspondingly configured as a B ring assembly when being coated on at least part of the periphery of the middle column B, and is correspondingly configured as a C ring assembly (namely, an acoustic ring described in the background art) when being coated on at least part of the periphery of the rear column C.

According to the vehicle body reinforcing ring assembly, the cavity can be jointly defined between the first beam 13 and the bottom plate 11 and the side plates 12, and the cavity plate 135 of the first beam 13 is triangular or trapezoidal, so that the first beam 13 and the bottom plate 11 and the side plates 12 can jointly form a supporting structure with good mechanical properties, the force conduction performance, torsional rigidity and dynamic rigidity of the vehicle body reinforcing ring assembly can be improved, the rigidity and vibration resistance of the vehicle body 3 can be improved, the NVH performance of the whole vehicle can be optimized, and the driving comfort and safety can be improved.

As shown in fig. 3, the cavity plate 135 is configured as a right triangle or right trapezoid, and one right angle side is defined by the side plate 12 and the other right angle side is defined by the bottom plate 11, according to some embodiments of the present utility model.

Specifically, the cavity plate 135 may be configured as a right triangle, at least a portion of the cavity plate 135 may extend in the width direction of the vehicle body 3, another portion of the cavity plate 135 may extend in the height direction of the vehicle body 3, and both right angle sides of the right triangle are defined by the bottom plate 11 and the side plate 12, respectively; the cavity plate 135 may also be configured as a right trapezoid, and two right angle sides of one of the right angle portions of the right trapezoid may be defined by the bottom plate 11 and the side plate 12, respectively, that is, one of the right angle portions of the cavity plate 135 is located at a connection area between the bottom plate 11 and the side plate 12, and the other right angle portion of the cavity plate 135 may be located at a side of the side plate 12 facing the bottom plate 11. By constructing the cavity plate 135 as a right triangle or a right trapezoid, on one hand, the cavity plate 135 and the middle plate 134 can form a right angle support for the side plate 12, the reinforcing effect of the cavity plate 135 and the middle plate 134 on the bottom plate 11 and the side plate 12 can be enhanced, the strength, torsional rigidity, dynamic rigidity and deformation resistance of the assembly structure of the cavity plate 135, the middle plate 134, the bottom plate 11 and the side plate 12 can be improved, and the vibration and noise reduction performance and the safety performance of the vehicle body 3 can be optimized; on the other hand, by constructing the cavity plate 135 as a right triangle or a right trapezoid, the cross-sectional area of the corresponding portion of the cavity in the connecting region of the bottom plate 11 and the side plate 12 can be made large, and the cross-sectional area is gradually reduced in the direction away from the connecting region of the bottom plate 11 and the side plate 12 and extending along the bottom plate 11 or the side plate 12, so that the force conduction performance among the side plate 12, the first beam 13 and the bottom plate 11 can be optimized, the rapid transmission and dispersion of the load of the vehicle body 3 can be facilitated, and the safety of the vehicle body 3 can be further improved.

As shown in fig. 1, according to some embodiments of the utility model, the first beam 13 comprises: the connecting plate 131 and the reinforcing plate 132, the connecting plate 131 and the reinforcing plate 132 are spliced to form the first beam 13.

Specifically, one side of the connecting plate 131 and one side of the reinforcing plate 132 may be spliced (e.g. spot welded after splicing) in the front-rear direction of the vehicle body 3 and form the first beam 13, at least part of the spliced area of the connecting plate 131 and the reinforcing plate 132 is spaced apart from the bottom plate 11 and/or the side plate 12, and the other side of the connecting plate 131 and the other side of the reinforcing plate 132 are connected with the bottom plate 11 or the side plate 12, that is, the front-rear parts of the first beam 13 are separated, and the front part of the vehicle body reinforcing ring assembly is twisted by the whole vehicle more than the rear part of the vehicle body reinforcing ring assembly, and the reinforcing plate 132 and the connecting plate 131 may be manufactured according to different performance requirements, so that the vehicle body reinforcing ring assembly is ensured to have sufficient strength and torsional rigidity, and simultaneously, weight reduction and cost reduction are realized, which is beneficial to the weight reduction of the whole vehicle and the improvement of the endurance mileage. In addition, the connecting plates 131 and the reinforcing plates 132 are spliced, so that the reinforcing plates 132 and the connecting plates 131 can play a good supporting and reinforcing role, the strength, torsional rigidity, dynamic rigidity and deformation resistance of the automobile body reinforcing ring assembly can be further improved, and the whole automobile performance is optimized.

As shown in fig. 1 and 2, according to some embodiments of the present utility model, the connection plate 131 includes a first section, a second section, and a third section that are sequentially connected in the front-rear direction of the vehicle body 3, and the reinforcement plate 132 includes a fourth section, a fifth section, and a sixth section that are sequentially connected in the front-rear direction of the vehicle body 3.

Wherein the first section and the sixth section are spliced to form the middle plate 134 and overlap, the second section and the fifth section are both configured as cavity plates 135, and the third section and the fourth section are adapted to be connected to the side plates 12 and the bottom plate 11.

Specifically, the connecting plate 131 may be disposed at a rear side of the reinforcing plate 132 in the front-rear direction of the vehicle body 3, the first, second and third sections are disposed in the front-rear direction of the vehicle body 3, the fourth, fifth and sixth sections are disposed in the front-rear direction of the vehicle body 3, one side of the first section may overlap with one side of the sixth section in the front-rear direction of the vehicle body 3 and be spliced to form the middle plate 134, the second section is disposed at the other side of the first section, the fifth section is disposed at the other side of the sixth section, the second and fifth sections are configured as cavity plates 135, that is, the second and fifth sections are configured as triangles or trapezoids, so as to provide good support and reinforcement between the side plate 12 and the bottom plate 11, and the third and fourth sections are adapted to be connected to the side plate 12 and the bottom plate 11, so as to achieve connection and fixation of the connecting plate 131, the reinforcing plate 132 and the bottom plate 11 and the side plate 12. Wherein, the second section and the fifth section all have certain thickness in the front and back direction of the car body 3, have certain width in the height direction of the car body 3, and the first section and the sixth section all have certain thickness in the height direction of the car body 3, have certain width in the front and back direction of the car body 3 to with bottom plate 11 and curb plate 12 define the biggest die cavity of partial cross-sectional area that corresponds in the bottom plate 11 and curb plate 12 junction area, thereby can optimize the side plate 12, the first roof beam 13 and the bottom plate 11 between the force transmission performance, be favorable to the quick transmission and the dispersion of car body 3 load, can further improve car body 3 security.

As shown in fig. 1 and 2, according to some embodiments of the present utility model, the thickness of the connection plate 131 is b1, the thickness of the reinforcement plate 132 is b2, and: b1 < b2.

Specifically, the reinforcing plate 132 and the connecting plate 131 may be spliced in the front-rear direction of the vehicle body 3, so that the first beam 13 is divided into front and rear parts, the reinforcing plate 132 and the connecting plate 131 may be manufactured separately, wherein the reinforcing plate 132 is located at the front part of the vehicle body reinforcing ring assembly, the connecting plate 131 is located at the rear part of the vehicle body reinforcing ring assembly, and the front part of the vehicle body reinforcing ring assembly is twisted by the whole vehicle more than the rear part thereof, so that the rigidity and strength requirements to be met by the reinforcing plate 132 are higher than those of the connecting plate 131, therefore, by setting the thickness of the connecting plate 131 to be smaller than that of the reinforcing plate 132, the weight of the connecting plate 131 can be reduced and the manufacturing cost can be saved while the reinforcing plate 132 has sufficient reinforcing strength to the side plates 12, the bottom plate 11 and the longitudinal beam 2 of the vehicle body 3, thereby being beneficial to the light weight of the whole vehicle, improving the endurance mileage, and saving economic cost.

Illustratively, in some embodiments of the present utility model, the thickness of the connection plate 131 is configured to be 1mm, and the thickness of the reinforcement plate 132 is configured to be 2.5mm, so as to ensure that the reinforcement plate 132 has sufficient rigidity and strength, and to achieve weight reduction and cost reduction of the connection plate 131.

As shown in fig. 1 and 3, according to some embodiments of the present utility model, the body reinforcing ring assembly further includes: a second beam 14 and a cross beam 15.

The cross member 15 is provided on the bottom plate 11 and extends in the width direction of the vehicle body 3, an end of the cross member 15 is connected to one end of the first beam 13, the second beam 14 is provided on the side plate 12, and the second beam 14 is connected to the other end of the first beam 13.

Specifically, the cross member 15 may be disposed on the bottom plate 11 and at least partially spaced apart from the bottom plate 11, the cross member 15 may extend to an end portion in the width direction of the vehicle body 3 to be connected with one end of the first beam 13, the second beam 14 may be disposed on the side plate 12 and at least partially spaced apart from the side plate 12, one end of the second beam 14 may be connected with the other end of the first beam 13, the other end of the second beam 14 may be connected with a component (such as a seat belt retractor bracket support plate 16 or the like) located at an end portion of the C-pillar, so that the cross member 15, the first beam 13 and the second beam 14 may form an annular structure of the second beam 14-first beam 13-second beam 12 defined by a vehicle space defined between the bottom plate 11 and the side plate 12 in the width and height direction of the vehicle body 3, and thus, on the side plate 3 may be optimized in terms of resonance preventing performance when the vehicle body 3 is loaded with the structural form of the cavity, and the vibration and noise reducing performance of the vehicle body 3 may be improved; on the other hand, the smoothness of the force transmission of the vehicle body reinforcing ring component, the bottom plate 11 and the side plates 12 can be improved, and the local stress concentration is avoided, so that the deformation resistance of the vehicle body 3 can be effectively improved, and the service life of the vehicle body can be prolonged.

It should be noted that the cross member 15 described above may be configured as a front cross member 15, a middle cross member 15 or a rear cross member 15 of the vehicle, corresponding to the front, middle and rear portions of the vehicle, respectively, and corresponding to the body reinforcing ring assemblies configured as an a-ring assembly, a B-ring assembly and a C-ring assembly, respectively, to enhance torsional rigidity and load bearing capacity of the vehicle body 3 and to achieve mounting and fixing of other members of the vehicle portion (e.g., seats, etc.).

In addition, in some embodiments of the present utility model, the thickness of the second beam 14 is configured to be consistent with the thickness of the connection plate 131, so as to ensure the welding strength between the second beam 14 and the connection plate 131 and the reinforcement plate 132 and to enhance the convenience of the welding operation; the connecting plate 131, the reinforcing plate 132 are close to the one end of the second roof beam 14 and are formed with first welding lines and second welding lines respectively, the first welding lines include a plurality of first welding spots 1311 that set up at intervals in the extending direction of the connecting plate 131, the second welding lines include a plurality of second welding spots 1321 that set up at intervals in the extending direction of the reinforcing plate 132, the second roof beam 14 and connecting plate 131 and reinforcing plate 132 can operate through the first welding spots 1311 and the second welding spots 1321 to ensure welding strength and quality, improve the reliability of connection among the connecting plate 131, reinforcing plate 132 and second roof beam 14, and prolong the service life of the vehicle body 3.

In other embodiments of the present utility model, the body reinforcing ring assembly further comprises

As shown in fig. 1 and 3, according to some embodiments of the present utility model, the side plate 12 is configured as a wheel cover, and the connection region of the first beam 13 and the second beam 14 is located at a position higher than a position at 2/3 of the wheel cover.

Specifically, the side plates 12 are configured as wheel covers that are connectable to the side members 2 and the bottom plate 11 of the vehicle body 3 and at least a part of which extends in the height direction of the vehicle body 3, and another part of which extends in the width direction of the vehicle body 3 to define a space available for mounting the wheel hub to ensure normal operation of the vehicle. Through setting the position height of the connection area between the first beam 13 and the second beam 14 in the position height range higher than 2/3 of the wheel cover, the supporting and reinforcing performances of the first beam 13 between the bottom plate 11 and the side plates 12 are better, the dynamic stiffness and the structural stability of the vehicle body reinforcing ring assembly are further improved, the force transmission path between the wheel cover and the bottom plate 11 is further optimized, the torsional stiffness is increased, the vibration and noise preventing performance of the vehicle body 3 is improved, the collision performance of the vehicle body 3 is optimized, and the safety of the vehicle is improved.

As shown in fig. 1-3, at least a portion of the sides of the first beam 13 overlap at least a portion of the sides of the second beam 14, according to some embodiments of the utility model.

Specifically, the side edges of the first beam 13 are located at two sides of the width direction of the first beam 13 and are convexly formed with first flanges 133, the first flanges 133 can overlap with a side surface of the bottom plate 11 facing the vehicle interior and a side surface of the side plate 12 facing the vehicle interior, the fixing of the first beam 13 to the bottom plate 11 and the side plate 12 can be achieved, the side edges of the second beam 14 are located at two sides of the width direction of the second beam 14 and are convexly formed with second flanges 141, the second flanges 141 can overlap with a side surface of the side plate 12 facing the vehicle interior, the fixing of the second beam 14 to the side plate 12 can be achieved, at least a part of the side edge located at one end of the second beam 14 can overlap with at least a part of the side edge located at one end of the first beam 13 facing away from the bottom plate 11 and are connected by welding or the like, and the fixing connection between the first beam 13 and the second beam 14 is achieved. The side edges of the first beam 13 and the side edges of the second beam 14 can improve the connection stability between the first beam 13 and the second beam 14, and the connection convenience and stability between the first beam 13 and the second beam 14 and the side plates 12 and the bottom plate 11 can be improved, so that the structural strength and dynamic stiffness of the vehicle body 3 can be further optimized, and the NVH performance, safety and service life of the vehicle can be improved.

In addition, in some embodiments of the present utility model, the weight reducing holes penetrating in the thickness direction are formed on the first beam 13 and the second beam 14, respectively, so that the weight of the vehicle body reinforcing ring assembly can be reduced, the weight of the vehicle body 3 can be further reduced, and the endurance mileage of the whole vehicle can be improved.

In other embodiments of the present utility model, the cross member 15 is formed with cross member flanges 151 on both sides in the width direction, the cross member flanges 151 may overlap with a side surface of the floor panel 11 facing the vehicle interior, and at least a portion of the cross member flanges 151 at the end of the cross member 15 may overlap with at least a portion of the first flanges 133 at the other end of the first beam 13 near the floor panel 11, so as to improve the connection stability between the cross member 15 and the floor panel 11 and the first beam 13, and further optimize the workability and reliability of the vehicle body reinforcing ring assembly.

As shown in fig. 1 to 3, according to the vehicle body 3 according to the second aspect of the present utility model, the vehicle body 3 includes the vehicle body reinforcing ring assembly according to any one of the above embodiments, and the vehicle body reinforcing ring assembly can enhance the structural strength and rigidity of the vehicle body 3, and enhance the dynamic rigidity of the vehicle body 3, so that the safety of the vehicle body 3 can be improved, and the vibration and noise reduction performance of the vehicle body 3 can be optimized.

As shown in fig. 1 to 3, according to the vehicle according to the third aspect of the present utility model, the vehicle includes the vehicle body 3 described in the above embodiment, and the technical effects thereof are the same as those in the above embodiment, and are not described herein.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the utility model, a "first feature" or "second feature" may include one or more of such features.

In the description of the present utility model, "plurality" means two or more.

In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A body reinforcing ring assembly, comprising:

a bottom plate (11) and side plates (12) connected to both sides of the bottom plate (11) in the width direction;

-a first beam (13), said first beam (13) being connected to said bottom plate (11) and to said side plates (12), said first beam (13) comprising: -an intermediate plate (134), -cavity plates (135) located on both sides of the intermediate plate (134), at least part of the intermediate plate (134) being spaced apart from the bottom plate (11) and/or the side plates (12), the cavity plates (135), the intermediate plate (134) and the bottom plate (11) and/or the side plates (12) defining a cavity, and the cavity plates (135) being configured as a triangle or trapezoid.

2. The body reinforcing ring assembly according to claim 1, wherein the cavity plate (135) is configured as a right triangle or a right trapezoid, and one right angle side is defined by the side plate (12) and the other right angle side is defined by the bottom plate (11).

3. The vehicle body reinforcement ring assembly according to claim 1, characterized in that the first beam (13) comprises: a connecting plate (131) and a reinforcing plate (132), wherein the connecting plate (131) and the reinforcing plate (132) are spliced to form the first beam (13).

4. A vehicle body reinforcing ring assembly according to claim 3, wherein the connecting plate (131) includes a first section, a second section, and a third section that are connected in order in a vehicle body front-rear direction, and the reinforcing plate (132) includes a fourth section, a fifth section, and a sixth section that are connected in order in the vehicle body front-rear direction;

Wherein the first section and the sixth section are spliced to form the middle plate (134) and are overlapped, the second section and the fifth section are both constructed as cavity plates (135), and the third section and the fourth section are suitable for being connected with the side plates (12) and the bottom plate (11).

5. A vehicle body reinforcing ring assembly according to claim 3, characterized in that the thickness of the connection plate (131) is b1, the thickness of the reinforcing plate (132) is b2, and that: b1 < b2.

6. The body reinforcing ring assembly of claim 1, further comprising: the beam (15) set up in bottom plate (11) and follow automobile body width direction extends, the tip of crossbeam (15) with one end of first roof beam (13) is connected, second roof beam (14) set up in curb plate (12), the second roof beam with the other end of first roof beam (13) is connected.

7. The body reinforcement ring assembly as set forth in claim 6, wherein said side plate (12) is configured as a wheel cover, and a connection area of said first beam (13) and said second beam (14) is located at a position higher than a position of 2/3 of a wheel cover.

8. The body reinforcing ring assembly according to claim 6, characterized in that at least part of the side edges of the first beam (13) overlap with at least part of the side edges of the second beam (14).

9. A vehicle body comprising the vehicle body reinforcement ring assembly of any one of claims 1-8.

10. A vehicle comprising the vehicle body of claim 9.