CN219728365U - Floor assembly for vehicle and vehicle - Google Patents

Abstract

The utility model discloses a floor assembly for a vehicle and the vehicle, wherein the floor assembly comprises: the first cross beam, the second cross beam and the third cross beam are respectively arranged at intervals and in parallel on two opposite sides of the first cross beam; the connecting beam is arranged between the first beam and the second beam and is respectively connected with the first beam and the second beam; the reinforcing beam is arranged between the first beam and the third beam and is respectively connected with the first beam and the third beam. The floor assembly disclosed by the utility model has better rigidity and strength, and can greatly improve the bearing capacity of a vehicle.

Description

Floor assembly for vehicle and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a floor assembly for a vehicle and the vehicle.

Background

In the related art, in a body structure design of a vehicle (e.g., a pick-up truck or a van), a floor structure is used as a load carrier of a cargo compartment of the vehicle, and strength and rigidity thereof have a great influence on service performance of the cargo compartment.

However, in the prior art, the strength and rigidity of the floor structure are poor, resulting in a low load carrying capacity of the vehicle.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. It is therefore an object of the present utility model to provide a floor assembly for a vehicle which has improved rigidity and strength and which can greatly enhance the load carrying capacity of the vehicle.

Another object of the utility model is to propose a vehicle.

According to the utility model, a floor assembly for a vehicle comprises:

the first cross beam, the second cross beam and the third cross beam are respectively arranged at intervals and in parallel on two opposite sides of the first cross beam;

the connecting beam is arranged between the first beam and the second beam and is respectively connected with the first beam and the second beam;

the reinforcing beam is arranged between the first beam and the third beam and is respectively connected with the first beam and the third beam.

According to the floor assembly provided by the embodiment of the utility model, the connecting beam and the reinforcing beam are arranged among the first beam, the second beam and the third beam, so that a plurality of connection structures in the shape of the Chinese character 'kou' can be respectively formed among the first beam, the second beam, the third beam and the connecting beam and the reinforcing beam, the rigidity and the strength of the floor assembly can be effectively improved, and the bearing capacity of the floor assembly can be greatly improved. In addition, through with tie-beam and stiffening beam fixed connection respectively between first crossbeam and second crossbeam and third crossbeam, can make the frame transmit to the stress on first crossbeam, second crossbeam and the third crossbeam can disperse and transmit to tie-beam and the stiffening beam like this to can avoid first crossbeam, second crossbeam and third crossbeam to appear deforming or trouble such as fracture, and then can promote the stability and the reliability of first crossbeam, second crossbeam and third crossbeam.

In some examples of the utility model, the connecting beam has first connecting portions provided at opposite ends of the connecting beam, the first connecting portions being adapted to connect with the first and second cross beams.

In some examples of the utility model, the connecting beam further has at least one first lightening hole.

In some examples of the utility model, the reinforcement beam has a second connection portion provided at one end of the reinforcement beam, and the second connection portion is adapted to connect with the third cross beam;

or, the second connecting parts are arranged at two opposite ends of the reinforcing beam, and the second connecting parts are suitable for being connected with the first cross beam and the third cross beam.

In some examples of the utility model, the reinforcement beam further has at least one second lightening hole.

In some examples of the utility model, the first and second connection portions are each configured as a bent structure.

In some examples of the utility model, the floor assembly further comprises:

the bottom plate, the bottom plate respectively with first crossbeam, the second crossbeam with the third crossbeam is connected, the tie-beam with the stiffening beam respectively with the bottom plate overlap joint.

In some examples of the utility model, the connecting beam further has a first overlap edge provided at a side of the connecting beam, the first overlap edge being adapted to overlap the floor panel.

In some examples of the utility model, the reinforcement beam further has a second overlap edge provided at a side of the reinforcement beam, the second overlap edge being adapted to overlap the floor panel.

The vehicle provided by the utility model comprises the floor assembly for the vehicle.

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

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a floor assembly according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of a connection beam according to an embodiment of the present utility model;

fig. 3 is a schematic structural view of a reinforcement beam according to an embodiment of the present utility model.

Reference numerals illustrate:

10-floor assembly;

110-a first beam;

120-a second beam;

130-a third beam;

140-connecting beams; 141-a first connection; 142-a first lightening hole; 143-a first overlap edge;

150-reinforcing beams; 151-a second connection; 152-a second lightening hole; 153-second overlap edge;

160-a bottom plate;

170-a fourth cross member;

180-hanging bracket.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

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. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

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.

Fig. 1 is a schematic structural view of a floor assembly 10 according to an embodiment of the present utility model, fig. 2 is a schematic structural view of a connecting beam 140 according to an embodiment of the present utility model, and fig. 3 is a schematic structural view of a reinforcing beam 150 according to an embodiment of the present utility model. Referring now to fig. 1-3, a floor assembly 10 for a vehicle according to an embodiment of the utility model is described, comprising: the first beam 110, the second beam 120 and the third beam 130 are respectively spaced and arranged on two opposite sides of the first beam 110 in parallel; the connecting beam 140 is arranged between the first beam 110 and the second beam 120, and is respectively connected with the first beam 110 and the second beam 120; the reinforcement beam 150 is disposed between the first beam 110 and the third beam 130, and is connected to the first beam 110 and the third beam 130, respectively.

Specifically, the floor assembly 10 may be mounted to the bottom of a cargo box (not shown) of a vehicle; for example: the cargo box of the pickup truck or the freight car is not particularly limited in this regard. The length direction of the floor assembly 10 may be parallel to the length direction of the vehicle, and the width direction of the floor assembly 10 may be parallel to the width direction of the vehicle. The length direction of the floor assembly 10 may be the direction indicated by X in fig. 1, and the width direction of the floor assembly 10 may be the direction indicated by Y in fig. 1.

With continued reference to fig. 1-3, the first beam 110, the second beam 120, and the third beam 130 may be spaced apart along the length of the floor assembly 10, and the extension directions of the first beam 110, the second beam 120, and the third beam 130 may be all parallel to the width direction of the floor assembly 10. The second beam 120 and the third beam 130 may be located on opposite sides of the first beam 110, respectively, along the length of the floor assembly 10.

With continued reference to fig. 1-3, the number of connecting beams 140 and reinforcing beams 150 may be plural, for example: two, three, four, or the like, to which embodiments of the present utility model are not particularly limited, the following embodiments are explained by taking two as examples. The two connection beams 140 and the two reinforcement beams 150 may be symmetrically disposed at opposite sides of the width direction of the floor assembly 10, respectively, and the extension directions of the connection beams 140 and the reinforcement beams 150 may be parallel to the length direction of the floor assembly 10.

The connecting beam 140 may be disposed between the first beam 110 and the second beam 120, opposite ends of the extending direction of the connecting beam 140 may be fixedly connected with the first beam 110 and the second beam 120, and a specific connection manner may be welding, riveting, threaded connection, integrally formed connection, or the like, which is not limited in particular. By the arrangement, the first beam 110, the second beam 120 and the two connecting beams 140 can form a connection structure in the shape of a Chinese character kou, so that the rigidity and the strength of the floor assembly 10 can be effectively improved, and the bearing capacity of the floor assembly 10 can be greatly improved. In addition, the connecting beam 140 is fixedly connected between the first beam 110 and the second beam 120, so that stress transmitted to the first beam 110 and the second beam 120 by a frame (not shown in the figure) of the vehicle can be dispersed and transmitted to the connecting beam 140, thereby avoiding the problems of deformation or fracture of the first beam 110 and the second beam 120, and further effectively improving the stability and reliability of the first beam 110 and the second beam 120.

Furthermore, the reinforcement beam 150 may be disposed between the first beam 110 and the third beam 130, and opposite ends of the reinforcement beam 150 in the extending direction may be fixedly connected to the first beam 110 and the third beam 130, respectively, and the specific connection manner may be welding, riveting, threaded connection or integrally formed connection. By the arrangement, the first beam 110, the third beam 130 and the two reinforcing beams 150 can form a connecting structure in a shape of a Chinese character kou, so that the rigidity and the strength of the floor assembly 10 can be effectively improved, and the bearing capacity of the floor assembly 10 can be greatly improved. In addition, the reinforcement beam 150 is fixedly connected between the first beam 110 and the third beam 130, so that stress transmitted to the first beam 110 and the third beam 130 by the frame can be transmitted to the reinforcement beam 150 in a dispersed manner, thereby avoiding the problems of deformation or fracture and the like of the first beam 110 and the third beam 130, and further effectively improving the stability and reliability of the first beam 110 and the third beam 130.

According to the floor assembly 10 provided by the embodiment of the utility model, the connecting beams 140 and the reinforcing beams 150 are respectively arranged between the first beam 110 and the second beam 120, and between the first beam 110 and the third beam 130, so that a plurality of square connecting structures can be respectively formed between the first beam 110, the second beam 120, the third beam 130, the connecting beams 140 and the reinforcing beams 150, and the rigidity and the strength of the floor assembly 10 can be effectively improved, and the bearing capacity of the floor assembly 10 can be greatly improved. In addition, the connecting beam 140 (or the reinforcing beam 150) is fixedly connected between the first beam 110 and the second beam 120 (or the third beam 130), so that the stress transmitted from the frame to the first beam 110, the second beam 120 and the third beam 130 can be transmitted to the connecting beam 140 and the reinforcing beam 150 in a dispersed manner, thereby avoiding the faults such as deformation or fracture of the first beam 110, the second beam 120 and the third beam 130, and further improving the stability and reliability of the first beam 110, the second beam 120 and the third beam 130.

With continued reference to fig. 1 and 2, according to one embodiment of the present utility model, the connection beam 140 has first connection portions 141, the first connection portions 141 being provided at opposite ends of the connection beam 140, the first connection portions 141 being adapted to be connected with the first and second cross beams 110 and 120.

Specifically, the first connection portions 141 may be disposed at opposite ends of the extension direction of the connection beam 140 in an integrally formed manner, so that the manufacturing cost of the connection beam 140 may be greatly reduced, and the processing efficiency of the connection beam 140 may be significantly improved. The first connecting portion 141 may be fixedly connected to the first beam 110 and the second beam 120 by welding, screwing or riveting, for example, a plurality of welding points (not shown in the drawing) may be disposed on the first connecting portion 141, and then the first connecting portion 141 may be welded to the first beam 110 and the second beam 120 by welding, so that the connection strength between the connecting beam 140 and the first beam 110 and the second beam 120 may be greatly improved, and the overall strength and rigidity of the floor assembly 10 may be further improved.

With continued reference to fig. 2, in accordance with yet another embodiment of the present utility model, the connecting beam 140 also has at least one first lightening hole 142.

Specifically, the number of the first lightening holes 142 may be one, two or more, and thus, embodiments of the present utility model are not particularly limited, and the following embodiments are explained by taking two as examples. Wherein, two first lightening holes 142 may be disposed at intervals along the length direction of the floor assembly 10 on the surface of the connection beam 140, and the first lightening holes 142 may penetrate through opposite side surfaces of the connection beam 140 in the thickness direction. Further, the shape of the first lightening hole 142 may be rectangular, circular, triangular or elliptical, and the embodiment of the present utility model is not limited thereto, and as shown in fig. 2, the embodiment of the present utility model is illustrated by taking a rectangular shape as an example. By the arrangement, the self weight of the connecting beam 140 can be effectively reduced, so that the weight of the floor assembly 10 can be reduced, the overall weight of the vehicle can be reduced, the energy loss of the vehicle can be reduced, the working efficiency of the vehicle can be obviously improved, and the fuel economy of the vehicle can be improved.

With continued reference to fig. 1 and 3, according to yet another embodiment of the present utility model, the reinforcement beam 150 has a second connection portion 151, the second connection portion 151 is provided at one end of the reinforcement beam 150, and the second connection portion 151 is adapted to be connected to the third cross member 130; or, the second connection parts 151 are provided at opposite ends of the reinforcement beam 150, and the second connection parts 151 are adapted to be connected with the first and third beams 110 and 130.

Specifically, the second connection portion 151 may be disposed at one end of the reinforcement beam 150 in the extending direction in an integrally formed manner, and the second connection portion 151 may be used to be fixedly connected with the third beam 130; alternatively, the second connection parts 151 may be disposed at opposite ends of the extension direction of the reinforcement beam 150 in an integrally formed manner, and the second connection parts 151 may be respectively used for fixedly connecting with the first and third beams 110 and 130. By the arrangement, the production and manufacturing cost of the reinforcing beam 150 can be greatly reduced, and the processing efficiency of the reinforcing beam 150 is remarkably improved. The second connection portion 151 may be fixedly connected to the first beam 110 and/or the third beam 130 by welding, screwing or riveting, for example, a plurality of welding points (not shown in the figure) may be disposed on the second connection portion 151, and then the second connection portion 151 may be welded to the first beam 110 and/or the third beam 130 by welding, so that the connection strength between the reinforcement beam 150 and the first beam 110 and/or the third beam 130 may be greatly improved, and the overall strength and rigidity of the floor assembly 10 may be further improved.

With continued reference to FIG. 3, in accordance with an alternative embodiment of the present utility model, the reinforcement beam 150 also has at least one second lightening hole 152.

Specifically, the number of the second lightening holes 152 may be one, two or more, and thus, embodiments of the present utility model are not particularly limited, and the following embodiments are explained by taking two as examples. Wherein, two second lightening holes 152 may be disposed at intervals along the length direction of the floor assembly 10 on the surface of the reinforcing beam 150, and the second lightening holes 152 may penetrate through opposite side surfaces of the reinforcing beam 150 in the thickness direction. Further, the shape of the second lightening hole 152 may be rectangular, circular, triangular or elliptical, and the embodiment of the present utility model is not limited thereto, and as shown in fig. 3, the embodiment of the present utility model is illustrated by taking a rectangular shape as an example. By the arrangement, the self weight of the stiffening beam 150 can be effectively reduced, so that the weight of the floor assembly 10 can be reduced, the overall weight of the vehicle can be reduced, the working efficiency of the vehicle can be obviously improved, and the fuel economy of the vehicle can be improved.

With continued reference to fig. 2 and 3, according to a further embodiment of the present utility model, the first connection portion 141 and the second connection portion 151 are respectively configured as a bent structure.

Specifically, the first connection part 141 may be configured as a bending structure that bends along the width direction of the floor assembly 10 toward opposite sides of the width direction of the connection beam 140, and the bending structure may be fixedly connected with the connection beam 140 in an integrated manner, and the bending structure may be used to attach to the sides of the first and second beams 110 and 120, so that the connection area between the connection beam 140 and the first and second beams 110 and 120 may be effectively increased, and further the connection strength between the connection beam 140 and the first and second beams 110 and 120 may be significantly increased.

Further, the second connecting portion 151 may also be configured as a bending structure that bends along the width direction of the floor assembly 10 towards two opposite sides of the width direction of the reinforcing beam 150, and the bending structure may be fixedly connected with the reinforcing beam 150 in an integrally formed manner, and the bending structure may be used to attach to a side edge of the first beam 110 and/or the third beam 130, so that the connecting area between the reinforcing beam 150 and the first beam 110 and/or the third beam 130 may be effectively increased, and then the connecting strength between the reinforcing beam 150 and the first beam 110 and/or the third beam 130 may be significantly increased.

With continued reference to FIG. 1, in an alternative aspect of the present utility model, the floor assembly 10 further includes: the bottom plate 160, the bottom plate 160 is connected to the first, second and third beams 110, 120 and 130, respectively, and the connection beam 140 and the reinforcement beam 150 overlap with the bottom plate 160, respectively.

Specifically, the bottom plate 160 may be configured as a plate structure, the bottom plate 160 may be disposed on a side of the first beam 110 (the second beam 120 or the third beam 130) near the bottom of the vehicle, and the bottom plate 160 may be fixedly connected to the first beam 110, the second beam 120, and the third beam 130, respectively, and the specific connection manner may be welding, threaded connection, riveting, or the like. The length direction of the bottom plate 160 may be parallel to the length direction of the floor assembly 10, and the width direction of the bottom plate 160 may be parallel to the width direction of the floor assembly 10.

With continued reference to fig. 1, two connecting beams 140 (or reinforcing beams 150) may be disposed on two opposite sides of the width direction of the base plate 160, and opposite sides of the base plate 160 and the connecting beams 140 (or reinforcing beams 150) may overlap each other and be fixedly connected together by welding, screwing or riveting, so that the self strength and rigidity of the base plate 160 may be effectively improved, and the bearing capacity of the base plate 160 may be significantly improved. In addition, by providing the connecting beam 140 (or the reinforcing beam 150), the stress transmitted from the frame to the first and second cross beams 110 and 120 (or the third cross beam 130) can be transmitted to the connecting beam 140 (or the reinforcing beam 150) in a dispersed manner, so that the occurrence of cracking failure at the connecting position between the first and second cross beams 110 and 120 (or the third cross beam 130) and the bottom plate 160 can be avoided, and the overall stability and reliability of the floor assembly 10 can be improved.

With continued reference to fig. 2, in some examples of the utility model, the connecting beam 140 further has a first overlap edge 143, the first overlap edge 143 being provided on a side of the connecting beam 140, the first overlap edge 143 being adapted to overlap the base plate 160.

Specifically, the first overlap edge 143 may be disposed on an edge of the connecting beam 140, which is close to the bottom plate 160, in an integrally formed manner, the first overlap edge 143 may extend to opposite ends of the connecting beam 140 along a length direction of the floor assembly 10, the first overlap edge 143 may overlap an upper surface of the bottom plate 160, which is far away from a bottom of the vehicle, and a plurality of welding spots (not shown in the drawings) may be disposed on the first overlap edge 143, so that the first overlap edge 143 and the bottom plate 160 may be fixedly connected together in a welding manner, and a connection area between the connecting beam 140 and the bottom plate 160 may be effectively increased by disposing the first overlap edge 143, thereby greatly improving a connection strength between the connecting beam 140 and the bottom plate 160.

With continued reference to fig. 3, in some possible implementations of the utility model, the reinforcement beam 150 further has a second overlap edge 153, the second overlap edge 153 being provided on a side of the reinforcement beam 150, the second overlap edge 153 being adapted to overlap the floor 160.

Specifically, the second overlap edge 153 may be disposed on an edge of the reinforcement beam 150 near the bottom plate 160 in an integrally formed manner, the second overlap edge 153 may extend to opposite ends of the reinforcement beam 150 along a length direction of the floor assembly 10, the second overlap edge 153 may overlap an upper surface of the bottom plate 160 far away from a bottom of the vehicle, and a plurality of welding spots (not shown in the drawings) may be disposed on the second overlap edge 153, so that the second overlap edge 153 may be fixedly connected with the bottom plate 160 in a welded manner, and a connection area between the reinforcement beam 150 and the bottom plate 160 may be effectively increased by disposing the second overlap edge 153, so that a connection strength between the reinforcement beam 150 and the bottom plate 160 may be greatly improved.

With continued reference to FIG. 1, in some embodiments of the utility model, the floor assembly 10 further includes: the number of the fourth cross beams 170 may be two, one of the fourth cross beams 170 may be spaced apart from and parallel to one side of the second cross beam 120, which faces away from the first cross beam 110, the other fourth cross beam 170 may be spaced apart from and parallel to one side of the third cross beam 130, which faces away from the first cross beam 110, and the two fourth cross beams 170 are respectively fixedly connected with two opposite ends of the bottom plate 160 in the length direction, so that the floor assembly 10 is integrally constructed into a frame structure, and thus the rigidity and strength of the floor assembly 10 can be significantly improved.

With continued reference to FIG. 1, in some embodiments of the utility model, the floor assembly 10 further includes: the number of the hanging brackets 180 may be four, wherein two hanging brackets 180 may be symmetrically arranged and fixedly connected between the fourth beam 170 and the second beam 120, and the other two hanging brackets 180 may be symmetrically arranged and fixedly connected between the fourth beam 170 and the third beam 130, so that the floor assembly 10 is integrally constructed as a frame structure, and thus the rigidity and strength of the floor assembly 10 can be significantly improved.

The vehicle provided in the embodiment of the present utility model includes the floor assembly 10 for a vehicle in the above embodiment, where the specific structure and the working principle of the floor assembly 10 have been explained in detail in the above embodiment, and are not described in detail here.

Other configurations of the floor assembly 10 for a vehicle according to an embodiment of the utility model are, for example: the frame and cargo box, etc., and the operation thereof, are well known to those of ordinary skill in the art and will not be described in detail herein.

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 floor assembly for a vehicle, comprising:

the first beam (110), the second beam (120) and the third beam (130), wherein the second beam (120) and the third beam (130) are respectively arranged at intervals and in parallel on two opposite sides of the first beam (110);

the connecting beam (140) is arranged between the first beam (110) and the second beam (120), and is respectively connected with the first beam (110) and the second beam (120);

and the reinforcing beam (150) is arranged between the first beam (110) and the third beam (130), and is respectively connected with the first beam (110) and the third beam (130).

2. The floor assembly for a vehicle according to claim 1, wherein the connecting beam (140) has a first connecting portion (141), the first connecting portion (141) being provided at opposite ends of the connecting beam (140), the first connecting portion (141) being adapted to be connected with the first cross member (110) and the second cross member (120).

3. The floor assembly for a vehicle according to claim 2, wherein the connecting beam (140) further has at least one first lightening hole (142).

4. -floor assembly for a vehicle according to claim 3, characterized in that the reinforcement beam (150) has a second connection portion (151), which second connection portion (151) is provided at one end of the reinforcement beam (150), and in that the second connection portion (151) is adapted to be connected with the third cross beam (130);

or, the second connection parts (151) are provided at opposite ends of the reinforcement beam (150), and the second connection parts (151) are adapted to be connected with the first beam (110) and the third beam (130).

5. The floor assembly for a vehicle according to claim 4, wherein the reinforcement beam (150) further has at least one second lightening hole (152).

6. The floor assembly for a vehicle according to claim 4, wherein the first connecting portion (141) and the second connecting portion (151) are each configured as a bent structure.

7. A floor assembly for a vehicle according to claim 3, further comprising:

the bottom plate (160), bottom plate (160) respectively with first crossbeam (110), second crossbeam (120) and third crossbeam (130) are connected, connecting beam (140) and stiffening beam (150) respectively with bottom plate (160) overlap joint.

8. The floor assembly for a vehicle according to claim 7, wherein the connecting beam (140) further has a first overlap edge (143), the first overlap edge (143) being provided at a side edge of the connecting beam (140), the first overlap edge (143) being adapted to overlap the floor panel (160).

9. The floor assembly for a vehicle according to claim 7, wherein the reinforcement beam (150) further has a second overlap edge (153), the second overlap edge (153) being provided at a side edge of the reinforcement beam (150), the second overlap edge (153) being adapted to overlap with the floor panel (160).

10. A vehicle comprising a floor assembly for a vehicle according to any one of claims 1-9.