CN219927814U - Vehicle floor arrangement structure and vehicle - Google Patents

Abstract

The utility model provides a vehicle floor arrangement structure and a vehicle, which belong to the technical field of vehicles and comprise a floor main body and a stiffening beam assembly; the floor main body comprises a middle floor and a rear floor which are sequentially connected from front to back; the upper surface of the floor main body forms a mounting position, the rear end of the mounting position extends to the rear edge of the rear floor, the front end of the mounting position forwards exceeds the front edge of the rear floor, and the left end and the right end of the mounting position extend to the left side edge and the right side edge of the rear floor respectively; the mounting position is used for supporting the storage box; the stiffening beam assembly is fixedly arranged on the lower surface of the floor main body and is positioned below the installation position. According to the vehicle floor arrangement structure provided by the utility model, the installation position covers the whole rear floor, so that a large storage box can be assembled on the installation position; the lower surfaces of the middle floor and the rear floor are also provided with stiffening beam assemblies for ensuring the strength of the rear floor and the middle floor, so that the rear floor has enough strength to support the storage box, and the storage box is ensured to be fixed and stable.

Description

Vehicle floor arrangement structure and vehicle

Technical Field

The utility model belongs to the technical field of vehicles, and particularly relates to a vehicle floor arrangement structure and a vehicle.

Background

At present, the requirements of the vehicle type on storage space and storage function are increasingly greater, and the storage box is increased in a large SUV luggage box to become a trend. The floor assembly is used as an important component of automobile platform, and plays an important role in the aspects of whole automobile functions and whole automobile performances. The luggage case is typically located on the rear floor. In the prior art, as the upper surface of the rear floor is provided with the reinforcing component, the rear floor is divided into a plurality of parts by the reinforcing component, so that the upper surface of the rear floor cannot form a large plane, and a large storage box cannot be assembled.

Disclosure of Invention

The utility model aims to provide a vehicle floor arrangement structure and a vehicle, and aims to solve the technical problem that a rear floor cannot be provided with a large storage box in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: there is provided a vehicle floor arrangement comprising:

a floor main body; the floor main body comprises a middle floor and a rear floor which are sequentially connected from front to back; the upper surface of the floor main body forms a mounting position, the rear end of the mounting position extends to the rear edge of the rear floor, the front end of the mounting position forwards exceeds the front edge of the rear floor, and the left end and the right end of the mounting position extend to the left side edge and the right side edge of the rear floor respectively; the mounting position is used for supporting the storage box; and

the stiffening beam assembly is fixedly arranged on the lower surface of the floor main body and is positioned below the installation position.

In one possible implementation, the stiffening beam assembly includes:

the reinforcing cross beam is fixedly arranged on the lower surface of the floor main body and is close to the front edge of the rear floor;

the first reinforcing longitudinal beams are arranged on the lower surface of the middle floor and are distributed at intervals along the left-right direction of the vehicle body; each first reinforcing longitudinal beam extends along the front-rear direction of the vehicle body, and the rear end of each first reinforcing longitudinal beam is connected with the reinforcing cross beam respectively; and

the second reinforcing longitudinal beams are arranged on the lower surface of the rear floor and are distributed at intervals along the left-right direction of the vehicle body; each second reinforcing longitudinal beam extends along the front-rear direction of the vehicle body, and the front end of each second reinforcing longitudinal beam is connected with the reinforcing cross beam respectively.

In some embodiments, the reinforcement beam comprises:

the first main board body is positioned below the rear floor and has a space with the rear floor;

two groups of first side flanges are respectively formed on the front edge and the rear edge of the first main board body; the two groups of first side flanges are fixedly connected with the rear floor.

In some embodiments, the rear end of each first reinforcing longitudinal beam is connected to the first main board body and the first side flange located on the front side respectively;

the front end of each second reinforcing longitudinal beam is connected with the first main board body and the first side flanging at the rear side.

In one possible implementation, the vehicle floor arrangement further comprises:

a wheel cover inner plate connected to a side edge of the rear floor; and

a rear floor side reinforcing plate provided at a position where the wheel house inner plate is connected to the rear floor; one end of the rear floor side reinforcing plate is connected with the upper surface of the rear floor, and the other end of the rear floor side reinforcing plate is connected with the inner side surface of the wheel cover inner plate.

In some embodiments, the rear floor side stiffener includes:

the second main board body is positioned above the rear floor and at the inner side of the wheel cover inner plate, and a space is reserved between the second main board body and the rear floor and between the second main board body and the wheel cover inner plate;

two groups of second side flanges are respectively formed on the front edge and the rear edge of the second main board body; the two groups of second side flanges are respectively connected with the inner plate of the wheel cover and the rear floor; and

and the inner flange is formed at the inner side edge of the second main board body and is connected with the rear floor.

In some embodiments, the second main board is inclined relative to the vehicle body in a vertical direction, and the second main board is inclined from inside to outside; and the second main board body is provided with a reinforcing rib.

In some embodiments, an inner side surface of the wheel cover inner plate is provided with a wheel cover inner reinforcing plate, and an outer side surface of the wheel cover inner plate is provided with a wheel cover outer reinforcing plate; the rear floor side reinforcing plate corresponds to the wheel cover inner reinforcing plate and the wheel cover outer reinforcing plate in the left-right direction of the vehicle body.

In some embodiments, the second side edge comprises a first fixing plate, a second fixing plate, a sloping plate and a third fixing plate which are sequentially connected from outside to inside;

the first fixing plate is connected with the reinforcing plate in the wheel cover;

the second fixing plate (622) is positioned below the wheel cover inner reinforcing plate (51) and is connected with the wheel cover inner plate (5), and the second fixing plate (622) corresponds to the wheel cover outer reinforcing plate (52) in the left-right direction of the vehicle body;

the third fixing plate is connected with the side edge of the rear floor, and corresponds to the reinforcing beam in the up-down direction of the vehicle body.

The vehicle floor arrangement structure provided by the utility model has the beneficial effects that: compared with the prior art, the vehicle floor arrangement structure has the advantages that the installation positions are formed on the middle floor and the rear floor, the rear ends of the installation positions extend to the rear edge of the rear floor, and the front ends of the installation positions are forwards beyond the front edge of the rear floor, namely, the installation positions cover the whole rear floor, so that a large storage box can be assembled on the installation positions; in addition, the lower surfaces of the middle floor and the rear floor are further provided with stiffening beam assemblies for guaranteeing the strength of the rear floor and the middle floor, so that the rear floor has enough strength to support the storage box, and the storage box is guaranteed to be fixed and stable.

The utility model also provides a vehicle comprising the vehicle floor arrangement structure.

According to the vehicle provided by the utility model, due to the adoption of the vehicle floor arrangement structure, a large storage box can be installed on the rear floor, the strength of the rear floor can be ensured, and the use diversity of the vehicle is increased.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that 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 vehicle floor arrangement according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 with the storage case removed;

FIG. 3 is an enlarged schematic view of the structure of circle A in FIG. 2;

fig. 4 is a second schematic structural view of the vehicle floor arrangement structure according to the embodiment of the present utility model;

FIG. 5 is an enlarged schematic view of the structure of circle B in FIG. 4;

FIG. 6 is a schematic view of a rear floor side reinforcement panel of a vehicle floor arrangement according to an embodiment of the utility model;

FIG. 7 is a schematic structural view of a reinforcement beam of a vehicle floor arrangement according to an embodiment of the present utility model;

fig. 8 is an enlarged schematic view of the structure of circle C in fig. 4.

In the figure:

1. a middle floor;

2. a rear floor;

3. a stiffening beam assembly; 31. a reinforcing beam; 311. a first main board body; 312. a first side flange; 32. a first reinforcing stringer; 33. a second reinforcing stringer;

4. a storage box;

5. a wheel cover inner plate; 51. a reinforcing plate in the wheel cover; 52. a wheel cover outer reinforcing plate;

6. a rear floor side reinforcing plate; 61. a second main board body; 611. reinforcing ribs; 62. a second side flange; 621. a first fixing plate; 622. a second fixing plate; 623. a sloping plate; 624. a third fixing plate; 63. and (5) inner flanging.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted that in the present embodiment, the terms "front", "rear", "inner", "outer", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations of the vehicle itself, wherein the vehicle head represents "front", the vehicle tail represents "rear", the vehicle top represents "upper", the vehicle bottom represents "lower", "inner" side means a side facing the inside of the cab, and the "outer" side means a side facing the outside of the cab.

In addition, the front-rear direction of the vehicle body defined in the embodiment of the utility model refers to the front-rear direction of the forward direction during running of the vehicle, the left-right direction of the vehicle body defined refers to the left-right direction of the forward direction during running of the vehicle, and the up-down direction of the vehicle body defined refers to the up-down direction of the forward direction during running of the vehicle.

Referring to fig. 1, 2 and 4 together, a vehicle floor arrangement structure provided by the present utility model will now be described. The vehicle floor arrangement comprises a floor body and a reinforcement beam assembly 3. The floor main body comprises a middle floor 1 and a rear floor 2 which are sequentially connected from front to back; the upper surface of the floor main body forms a mounting position, the rear end of the mounting position extends to the rear edge of the rear floor 2, the front end of the mounting position forwards exceeds the front edge of the rear floor 2, and the left and right ends of the mounting position extend to the left and right side edges of the rear floor 2 respectively; the mounting position is used for supporting the storage box 4; the stiffening beam assembly 3 is fixedly arranged on the lower surface of the floor main body and is positioned below the installation position.

It should be noted that, the middle floor 1 and the rear floor 2 in this embodiment are respectively a middle floor structure and a rear floor structure which are common in the prior art. The upper surfaces of the middle floor panel 1 and the rear floor panel 2 are substantially flat (since the middle floor panel 1 and the rear floor panel 2 are provided with reinforcing projections and reinforcing grooves for increasing the strength, the upper surfaces of the middle floor panel 1 and the rear floor panel 2 are not completely flat, but the depth of the recesses and projections of the reinforcing grooves and the reinforcing projections is not large, and the influence on the overall thickness of the middle floor panel 1 and the rear floor panel 2 is small, so that the upper surfaces of the middle floor panel 1 and the rear floor panel 2 can be substantially flat). In addition, the middle floor 1 has a stepped structure, that is, the middle floor 1 has two flat surfaces distributed in a stepped shape.

The rear end of the installation site extends to the rear edge of the rear floor 2, the front end of the installation site exceeds the front edge of the rear floor 2 forward, and the left and right ends of the installation site extend to the left and right sides of the rear floor 2 respectively, that is, the installation site covers the whole rear floor 2, and the large storage box 4 can be assembled on the upper surface of the whole rear floor 2.

Compared with the prior art, the vehicle floor arrangement structure provided by the utility model has the advantages that the installation positions are formed on the middle floor 1 and the rear floor 2, and the installation positions cover the whole rear floor 2, so that the installation positions can be assembled with large storage boxes 4; in addition, the lower surfaces of the middle floor 1 and the rear floor 2 are further provided with a stiffening beam assembly 3 for ensuring the strength of the rear floor 2 and the middle floor 1, so that the rear floor 2 has enough strength to support the storage box 4, and the storage box 4 is ensured to be fixed and stable.

In some embodiments, the reinforcement beam assembly 3 may have a structure as shown in fig. 4 and 5, and referring to fig. 4 and 5, the reinforcement beam assembly 3 includes a reinforcement cross member 31, a plurality of first reinforcement stringers 32, and a plurality of second reinforcement stringers 33. The reinforcing cross beam 31 is fixedly arranged on the lower surface of the floor main body and is close to the front edge of the rear floor 2; the plurality of first reinforcing stringers 32 are spaced apart in the left-right direction of the vehicle body; each first reinforcing longitudinal beam 32 extends along the front-rear direction of the vehicle body, and the rear end of each first reinforcing longitudinal beam 32 is respectively connected with the reinforcing cross beam 31; the plurality of second reinforcing stringers 33 are distributed at intervals in the left-right direction of the vehicle body; each second reinforcing longitudinal beam 33 is provided extending in the vehicle body front-rear direction, and the front end of each second reinforcing longitudinal beam 33 is connected to the reinforcing cross beam 31, respectively.

A plurality of first reinforcing stringers 32 are fixed to the lower surface of the middle floor panel 1 for increasing the strength of the middle floor panel 1; the reinforcing cross member 31 and the plurality of second reinforcing longitudinal members 33 are fixed to the lower surface of the rear floor 2 for increasing the strength of the rear floor 2. The plurality of first reinforcing side members 32 and the plurality of second reinforcing side members 33 are connected to the reinforcing cross member 31, respectively, so that a plurality of force transmission paths can be formed in the vehicle body front-rear direction.

Specifically, in the present embodiment, four first reinforcing stringers 32 are provided, four second reinforcing stringers 33 are provided, and in the vehicle body front-rear direction, the four first reinforcing stringers 32 are in one-to-one correspondence with the four second reinforcing stringers 33.

In addition, the front end of the first reinforcing side member 32 is connected to the middle floor center cross member, and the rear end of the second reinforcing side member 33 is connected to the rear floor rear cross member.

Preferably, the first reinforcing longitudinal beam 32, the second reinforcing longitudinal beam 33 and the reinforcing cross beam 31 are welded.

In some embodiments, the reinforcement beam 31 may have a structure as shown in fig. 5, and referring to fig. 5 and 7, the reinforcement beam 31 includes a first main board 311 and two sets of first side flanges 312. The first main board body 311 is positioned below the rear floor 2, and a space exists between the first main board body and the rear floor 2; the two groups of first side flanges 312 are respectively formed on the front edge and the rear edge of the first main board body 311; two sets of first side flanges 312 are fixedly connected to the rear floor 2.

Preferably, the reinforcement beam 31 is an integrally formed structure.

Two sets of first side turn-ups 312 and back floor 2 fixed connection exist the interval between first mainboard body 311 and the back floor 2 for enclose into the cavity between entablature 31 and the back floor 2, the cavity can absorb vibration and noise, and still can promote entablature 31's self intensity.

In order to further improve the connection strength between the first reinforcing stringers 32, the second reinforcing stringers 33 and the reinforcing cross member 31, as shown in fig. 4, the rear end of each first reinforcing stringer 32 is connected to the first main board body 311 and the first side flange 312 located on the front side; the front end of each second reinforcing side member 33 is connected to the first main panel body 311 and the first side flange 312 on the rear side.

Preferably, the connection mode is welding. The first reinforcing longitudinal beam 32 is welded with the first main board body 311 in addition to the first side flange 312, and the welding point between the first reinforcing longitudinal beam 32 and the reinforcing cross beam 31 is increased, so that the connection strength between the first reinforcing longitudinal beam 32 and the reinforcing cross beam 31 can be improved. The same effect applies to the second reinforcing stringers 33 and the reinforcing cross-beams 31.

In some embodiments, the vehicle floor arrangement described above may also employ the structure shown in fig. 2 and 3, and referring to fig. 2 and 3, the vehicle floor arrangement further includes a wheel house inner panel 5 and a rear floor side reinforcement panel 6. The wheel cover inner plate 5 is connected to the side edge of the rear floor 2; the rear floor side reinforcing plate 6 is arranged at the joint position of the wheel cover inner plate 5 and the rear floor 2; one end of the rear floor side reinforcing plate 6 is connected to the upper surface of the rear floor 2, and the other end is connected to the inner side surface of the wheel house inner plate 5.

The wheel cover inner plate 5 is connected with the rear floor 2, a rear floor side reinforcing plate 6 is additionally arranged between the wheel cover inner plate 5 and the rear floor 2, and the connection strength of the rear floor 2 and the wheel cover inner plate 5 can be further improved, so that the support strength of the installation position is increased.

In some embodiments, the rear floor side reinforcing plate 6 may have a structure as shown in fig. 3 and 6, and referring to fig. 3 and 6, the rear floor side reinforcing plate 6 includes a second main plate 61, two sets of second side flanges 62 and an inner flange 63. The second main board 61 is located above the rear floor 2 and inside the wheel cover inner plate 5, and has a space with the rear floor 2 and the wheel cover inner plate 5; two sets of second side flanges 62 are respectively formed on the front edge and the rear edge of the second main board body 61; the two groups of second side flanges 62 are respectively connected with the wheel cover inner plate 5 and the rear floor 2; the inward flange 63 is formed at the inner edge of the second main plate body 61 and is connected to the rear floor 2.

Preferably, the rear floor side reinforcing plate 6 is an integrally formed structure, and the connection manner between the rear floor side reinforcing plate 6 and the wheel house inner plate 5, the rear floor 2 is welding.

The two groups of second side flanges 62 are fixedly connected with the rear floor 2 and the wheel cover inner plate 5, the inner flanges 63 are fixedly connected with the rear floor 2, and a distance exists between the second main board body 61 and the rear floor 2 and between the second main board body 61 and the wheel cover inner plate 5, so that a cavity is formed by surrounding the rear floor side reinforcing plate 6, the rear floor 2 and the wheel cover inner plate 5, vibration and noise can be absorbed by the cavity, and the self strength of the rear floor side reinforcing plate 6 can be improved.

Since the rear floor side reinforcing plate 6 is fixed between the rear floor 2 and the wheel house inner plate 5, in order to facilitate positioning of the position of the rear floor side reinforcing plate 6, the second main plate body 61 is disposed obliquely with respect to the vehicle body up-down direction, and the second main plate body 61 is inclined from inside to outside, as shown in fig. 3, on the basis of the above-described embodiment.

The second main board body 61 is obliquely arranged, so that the second main board body 61 can be close to the rear floor 2 and the wheel cover inner plate 5, and the second side flanging 62 and the second main board body 61 are arranged along with each other, so that the second side flanging 62 is fixedly connected with the wheel cover inner plate 5 and the rear floor 2.

It should be noted that, the second main board body 61 is not a flat board structure, and the second main board body 61 is further provided with a reinforcing rib 611, where the reinforcing rib 611 is used to increase the strength of the rear floor side reinforcing board 6.

In some embodiments, the wheel house inner plate 5 and the rear floor side reinforcing plate 6 may have the structures shown in fig. 2, 3, 4 and 8, and referring to fig. 2, 3, 4 and 8, the inner side surface of the wheel house inner plate 5 is provided with a wheel house inner reinforcing plate 51, and the outer side surface of the wheel house inner plate 5 is provided with a wheel house outer reinforcing plate 52; the rear floor side reinforcing plate 6 corresponds to the wheel house inner reinforcing plate 51 and the wheel house outer reinforcing plate 52 in the vehicle body left-right direction.

The rear floor side reinforcing plate 6 corresponds to the wheel house inner reinforcing plate 51 and the wheel house outer reinforcing plate 52 in the vehicle body lateral direction, that is, the rear floor side reinforcing plate 6 is positioned by the wheel house inner reinforcing plate 51 and the wheel house outer reinforcing plate 52, and the strength of the connection between the rear floor side reinforcing plate 6 and the wheel house inner plate 5 can be increased by the wheel house inner reinforcing plate 51 and the wheel house outer reinforcing plate 52, and a force transmission path can be formed between the rear floor side reinforcing plate 6 and the wheel house inner reinforcing plate 51 and the wheel house outer reinforcing plate 52.

The second side flange 62 includes a first fixing plate 621, a second fixing plate 622, a sloping plate 623, and a third fixing plate 624, which are sequentially connected from outside to inside; the first fixing plate 621 is connected to the wheel house inner reinforcing plate 51; the second fixing plate 622 is located below the wheel house inner reinforcement plate 51 and connected to the wheel house inner plate 5, and the second fixing plate 622 corresponds to the wheel house outer reinforcement plate 52 in the vehicle body left-right direction; the third fixing plate 624 is connected with a side edge of the rear floor 2.

Preferably, the second fixing plate 622 is disposed obliquely inward with respect to the first fixing plate 621 in order to adapt the first fixing plate 621 to the welding position of the wheel house inner reinforcing plate 51 and the second fixing plate 622 to the welding position of the wheel house inner plate 5.

Specifically, the second side flange 62 is divided into a first fixing plate 621, a second fixing plate 622, a sloping plate 623 and a third fixing plate 624, the first fixing plate 621 is welded with the inner reinforcing plate 51 of the wheel cover, the inner reinforcing plate 51 of the wheel cover is welded with the inner plate 5 of the wheel cover, and three layers of welding are formed between the first fixing plate 621, the second fixing plate 622, the sloping plate 623 and the third fixing plate 624, so that the welding strength can be improved. The wheel cover outer reinforcing plate 52 is provided with an avoidance notch for avoiding the welding position of the three.

The second fixing plate 622 is welded to the wheel cover inner plate 5, the wheel cover inner plate 5 is welded to the wheel cover outer reinforcing plate 52, and three layers of welding are formed between the two plates, so that welding strength is improved.

The swash plate 623 is inclined with respect to the vehicle body in the up-down direction, and the swash plate 623 serves to connect the second fixing plate 622 and the third fixing plate 624 in a transitional manner.

The third fixing plate 624 is welded to the side edge of the rear floor 2. The third fixing plate 624 is connected with the inside flange 63. In addition, the third fixing plate 624 corresponds to the reinforcing cross member 31 in the vehicle body up-down direction. The third fixing plate 624 is welded with the side edge of the rear floor 2, the rear floor 2 is welded with the reinforcing beam 31, and three layers of welding are formed between the third fixing plate 624 and the reinforcing beam, so that the welding strength is improved.

Based on the same inventive concept, the embodiment of the utility model also provides a vehicle, comprising the vehicle floor arrangement structure.

According to the vehicle provided by the utility model, due to the adoption of the vehicle floor arrangement structure, the large storage box 4 can be installed on the rear floor 2, the strength of the rear floor 2 can be ensured, and the use diversity of the vehicle is increased.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. A vehicle floor arrangement, comprising:

a floor main body; the floor main body comprises a middle floor (1) and a rear floor (2) which are sequentially connected from front to back; the upper surface of the floor main body forms a mounting position, the rear end of the mounting position extends to the rear edge of the rear floor (2), the front end of the mounting position forwards exceeds the front edge of the rear floor (2), and the left end and the right end of the mounting position extend to the left side edge and the right side edge of the rear floor (2) respectively; the mounting position is used for supporting the storage box (4); and

and the stiffening beam assembly (3) is fixedly arranged on the lower surface of the floor main body and is positioned below the installation position.

2. Vehicle floor arrangement according to claim 1, characterized in that the reinforcement beam assembly (3) comprises:

the reinforcing cross beam (31) is fixedly arranged on the lower surface of the floor main body and is close to the front edge of the rear floor (2);

the first reinforcing longitudinal beams (32) are arranged on the lower surface of the middle floor (1) and are distributed at intervals along the left-right direction of the vehicle body; each first reinforcing longitudinal beam (32) extends along the front-rear direction of the vehicle body, and the rear end of each first reinforcing longitudinal beam (32) is connected with the reinforcing cross beam (31) respectively; and

a plurality of second reinforcing longitudinal beams (33) which are arranged on the lower surface of the rear floor (2) and are distributed at intervals along the left-right direction of the vehicle body; each second reinforcing longitudinal beam (33) extends along the front-rear direction of the vehicle body, and the front end of each second reinforcing longitudinal beam (33) is connected with the reinforcing cross beam (31) respectively.

3. The vehicle floor arrangement according to claim 2, characterized in that the reinforcement beam (31) comprises:

the first main board body (311) is positioned below the rear floor (2) and has a space with the rear floor (2);

two groups of first side flanges (312) which are respectively formed on the front edge and the rear edge of the first main board body (311); the two groups of first side flanges (312) are fixedly connected with the rear floor (2).

4. A vehicle floor arrangement according to claim 3, wherein the rear end of each of the first reinforcing stringers (32) is connected to the first main panel body (311) and the first side flange (312) on the front side, respectively;

the front end of each second reinforcing longitudinal beam (33) is connected with the first main board body (311) and the first side flanging (312) positioned at the rear side.

5. The vehicle floor arrangement of claim 2, wherein the vehicle floor arrangement further comprises:

a wheel cover inner plate (5) connected to a side edge of the rear floor (2); and

a rear floor side reinforcing plate (6) provided at a position where the wheel house inner plate (5) is connected to the rear floor (2); one end of the rear floor side reinforcing plate (6) is connected with the upper surface of the rear floor (2), and the other end is connected with the inner side surface of the wheel cover inner plate (5).

6. Vehicle floor arrangement according to claim 5, characterized in that the rear floor side reinforcement plate (6) comprises:

a second main plate body (61) which is positioned above the rear floor (2) and inside the wheel cover inner plate (5) and has a distance from the rear floor (2) and the wheel cover inner plate (5);

two groups of second side flanges (62) which are respectively formed on the front edge and the rear edge of the second main board body (61); the two groups of second side flanges (62) are respectively connected with the wheel cover inner plate (5) and the rear floor (2); and

and the inward flange (63) is formed on the inner side edge of the second main board body (61) and is connected with the rear floor (2).

7. The vehicle floor arrangement according to claim 6, characterized in that the second main plate body (61) is provided obliquely with respect to the vehicle body up-down direction, and the second main plate body (61) is inclined from inside to outside; the second main board body (61) is provided with a reinforcing rib (611).

8. The vehicle floor arrangement according to claim 6, characterized in that an inner side surface of the wheel cover inner panel (5) is provided with a wheel cover inner reinforcing plate (51), and an outer side surface of the wheel cover inner panel (5) is provided with a wheel cover outer reinforcing plate (52); the rear floor side reinforcing plate (6) corresponds to the wheel house inner reinforcing plate (51) and the wheel house outer reinforcing plate (52) in the left-right direction of the vehicle body.

9. The vehicle floor arrangement of claim 8, wherein the second side flange (62) includes a first fixing plate (621), a second fixing plate (622), a sloping plate (623), and a third fixing plate (624) that are connected in sequence from outside to inside;

the first fixing plate (621) is connected with the wheel cover inner reinforcing plate (51);

the second fixing plate (622) is positioned below the wheel cover inner reinforcing plate (51) and is connected with the wheel cover inner plate (5), and the second fixing plate (622) corresponds to the wheel cover outer reinforcing plate (52) in the left-right direction of the vehicle body;

the third fixing plate (624) is connected with the side edge of the rear floor (2), and the third fixing plate (624) corresponds to the reinforcing beam (31) in the vehicle body up-down direction.

10. A vehicle comprising the vehicle floor arrangement of any one of claims 1-9.