CN218877413U - Vehicle and front floor assembly structure - Google Patents

Abstract

The application discloses vehicle and front floor assembly structure. The front floor assembly structure comprises a front floor panel and a heel panel assembly, wherein the front floor panel is also used as an upper cover of a battery of a vehicle, the heel panel assembly is positioned on one side, away from the battery, of the front floor panel and comprises a heel panel main body and a heel panel reinforcing plate, the heel panel main body is respectively provided with the heel panel reinforcing plate at two ends in the left and right directions of the vehicle, and the heel panel reinforcing plate is connected with the front floor panel so that the heel panel assembly and the front floor panel are surrounded to form a cavity. The application provides a preceding floor assembly structure can avoid producing the splice seam between heel board assembly and the preceding floor board to cause the not good condition of sealing capacity of preceding floor assembly structure to the battery, promoted preceding floor assembly structure to the sealing performance of battery, strengthened the security of vehicle.

Description

Vehicle and front floor assembly structure

Technical Field

The application relates to the technical field of automobiles, in particular to a vehicle and a front floor assembly structure.

Background

Traditional electric motor car framework, the modularization development is comparatively ripe, heel plate structure welding process generally links firmly with the back floor assembly, set up the heel plate into two "Z" style of calligraphy structural component, two "Z" style of calligraphy roof beams form cavity structures through spot welding, realize the reinforcement and the side impact performance at rear portion, cavity structures rear portion links firmly with the back floor assembly, the front portion links firmly with preceding floor assembly, the extension of this structural design accessible heel plate shortens the expansion that realizes whole car wheel base, but be suitable for the CTC structure and can bring sealed risk.

Battery package automobile body integral structure, automobile body part concatenation seam are glued through brush PVC and are realized sealing, and traditional electric motor car framework, the heel board structure of "Z" style of calligraphy can go out twice concatenation seam more, need glue through PVC and seal, and the both ends of heel board can form the step simultaneously, and the sealed degree of difficulty of brush glue is great, when taking place battery thermal runaway, produces this department easily and leaks and cause the injury to the passenger.

Disclosure of Invention

The application mainly provides a vehicle and a front floor assembly to solve the problem that the frame structure is poor in the sealing effect of a battery.

In order to solve the technical problem, the application adopts a technical scheme that:

the utility model provides a preceding floor assembly structure for vehicle doubles as the upper cover of the battery of vehicle, preceding floor assembly structure includes preceding floor panel and heel board assembly, heel board assembly is located the one side that preceding floor panel kept away from the battery to including heel board main part and heel board reinforcing plate, the heel board main part is equipped with respectively at the both ends of the left and right sides of vehicle orientation the heel board reinforcing plate, the heel board reinforcing plate with preceding floor panel is connected, so that the heel board assembly with preceding floor panel encloses to establish and form a cavity.

In some embodiments, an edge region of the front floor panel is closer to the battery than the heel plate main body in a height direction of the vehicle, and the heel plate reinforcing plate is supported between the edge region of the front floor panel and an end of the heel plate main body.

In some embodiments, the heel plate body portion falls outside the front floor panel when the heel plate assembly is orthographically projected to the front floor panel in the height direction.

In some embodiments, the heel plate reinforcing plate includes two support portions that are connected to the heel plate main body in a bent manner, and two connecting portions that are connected to the support portions in a bent manner, the two connecting portions extending in the front-rear direction in a direction opposite to the front-rear direction, the connecting portions being connected to the front floor panel in a welded manner.

In some embodiments, one end of the front floor panel in the front-rear direction is provided with a step structure, the step structure protrudes in the height direction in a direction away from the battery and provides a supporting surface for a rear seat of the vehicle, a middle area where the step structure is located is in gentle transition with other parts of the front floor panel, and the heel plate assembly is fixed at the gently-transitioned part.

In some embodiments, the step structure is provided with an access opening for the battery to be serviced, and the front floor assembly structure includes an access opening cover covering the access opening and connected with the step structure.

In some embodiments, the service cover and the step structure are partially overlapped in the height direction and are hermetically connected by a sealing rubber strip and a blind rivet nut.

In some embodiments, the heel plate body and the step structure are spaced apart in the fore-aft direction to enclose a cavity.

In some embodiments, the front floor assembly structure includes a seat rear cross member connected to the front floor panel, the seat rear cross member extending in the left-right direction and being spaced apart from the heel panel assembly in the front-rear direction of the vehicle, a front floor rear reinforcement beam extending in the front-rear direction and being disposed between the heel panel assembly and the seat rear cross member, and a battery tray hanging point fixed at a boundary between the seat rear cross member and the front floor rear reinforcement beam.

Another technical scheme adopted by the application is as follows: the utility model provides a vehicle, the vehicle includes automobile body skeleton assembly, battery and as above-mentioned front floor assembly structure, the battery sets up in the automobile body skeleton assembly, front floor panel assembly with the automobile body skeleton assembly is connected, front floor assembly structure doubles as the upper cover of battery.

The beneficial effect of this application is: in contrast to the prior art, the present application discloses a vehicle and front floor assembly structure. Through set up preceding floor panel and heel board assembly in preceding floor assembly structure, heel board assembly is located the one side that the battery was backed away from to preceding floor panel, and heel board assembly includes heel board main part and heel board reinforcing plate, and heel board reinforcing plate is connected between heel board main part and preceding floor panel to enclose to establish jointly with both and form a cavity. For traditional frame construction, this kind of structure setting not only can be so that not splice seam between preceding floor panel and the heel board assembly, avoid using PVC to glue and seal the splice seam, floor panel is not only the degree of difficulty big with the junction brush of heel board assembly in the front, even when taking place the battery thermal runaway, it leaks to cause the injury to the passenger to produce this department easily, and set up the heel board reinforcing plate between heel board main part and preceding floor panel and can not only promote the sealing performance of automobile body, can reduce the sealed spraying of gluing of two PVC simultaneously, make the cost of vehicle reduce by a wide margin.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a schematic illustration of a portion of the structure of one embodiment of a vehicle provided herein;

FIG. 2 is a schematic structural view of a front floor assembly of the vehicle of FIG. 1;

FIG. 3 is a schematic view of the construction of a heel plate assembly in the front floor assembly construction of FIG. 2;

FIG. 4 is a schematic cross-sectional view of the heel plate body and step construction of the vehicle illustrated in FIG. 2;

fig. 5 is an enlarged schematic view of a in the vehicle shown in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

The terms "first", "second" and "third" in the embodiments of the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of indicated technical features is significant. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 1, fig. 1 is a schematic diagram of a portion of a structure of an embodiment of a vehicle provided herein.

The present application provides a vehicle including a body frame assembly 10, a battery and a front floor assembly structure 20. The battery is disposed in the vehicle body frame assembly 10, the front floor assembly structure 20 is connected to the vehicle body frame assembly 10, and the front floor assembly structure 20 also serves as an upper cover for the battery.

Further, as shown in fig. 1, the vehicle body frame assembly 10 includes a rear floor panel 11, a front structure 12, and a vehicle body side sill 13. The rear floor panel 11 and the front structure 12 are disposed at an interval in the front-rear direction, and the vehicle body sills 13 are connected to the rear floor panel 11 and the front structure 12 and respectively located on the left and right sides of the vehicle body frame assembly 10, so that the vehicle body frame assembly 10 is substantially in an annular structure. The front floor assembly structure 20 is a substantially plate-like structure, is located between the rear floor panel 11 and the front structure 12, and is fixed to the rear floor panel 11, the front structure 12, and the side sills 13 by spot welding. The battery is located below the front floor assembly structure 20 and the vehicle body framework assembly 10, and is screwed with the front floor assembly structure 20 and the vehicle body framework assembly 10 through the battery tray.

It is to be understood that the front-rear direction mentioned in the present application is the same as the front-rear direction of the vehicle, and the left-right direction is the same as the left-right direction of the vehicle, and the description is not ambiguous at all.

With continued reference to fig. 2 and 3, fig. 2 is a schematic structural view of a front floor assembly structure of the vehicle shown in fig. 1, and fig. 3 is a schematic structural view of a heel plate assembly of the front floor assembly structure shown in fig. 2.

The front floor assembly structure 20 includes a front floor panel 21 and a heel panel assembly 22. The front floor panel 21 is the main structure of the front floor assembly structure 20, the heel plate assembly 22 extends along the left-right direction and crosses one side of the front floor panel 21 departing from the battery and is connected with the front floor panel, and the heel plate assembly 22 can not only increase the strength of the frame structure and improve the side impact performance, but also realize the expansion of the vehicle wheel base.

The heel plate assembly 22 comprises a heel plate main body 221 and a heel plate reinforcing plate 222 which are integrally formed, wherein the heel plate main body 221 is provided with the heel plate reinforcing plate 222 at each of the two ends in the left-right direction, and one end of the heel plate reinforcing plate 222, which faces away from the heel plate main body 221, is connected with the front floor panel 21, i.e. the heel plate reinforcing plate 222 is connected between the heel plate main body 221 and the front floor panel 21, so that the heel plate assembly 22 and the front floor panel 21 enclose to form a cavity. For traditional frame construction, this kind of structure setting not only can be so that not have the splice seam between preceding floor panel 21 and the heel board assembly 22, avoid using PVC to glue and seal the splice seam, floor panel 21 is not only difficult big with the junction brush of heel board assembly 22 in the front, even when taking place battery thermal runaway, it leaks to cause the injury to the passenger to produce this department easily, and set up heel board reinforcing plate 222 between heel board main part 221 and preceding floor panel 21 and can not only promote the sealing performance of automobile body, can reduce the sealed spraying of gluing of two PVC simultaneously, make the cost of vehicle reduce by a wide margin.

Specifically, as shown in fig. 1 to 3, the heel plate assembly 22 is in the shape of a cross beam, which is not only spot-welded to the front floor panel 21, but also welded at both left and right ends thereof to the side sills 13. The shape of front floor panel 21 is platelike structure and for integrated into one piece, and integrated into one piece's design not only reduces the battery in the risk of front floor panel 21 department weeping, has promoted battery package automobile body integration sealing performance, has also reduced the concatenation step of frame part, has promoted the installation effectiveness. The front floor panel 21 is also provided with a welding surface 211 on the periphery thereof, and the front floor panel 21 is welded to the rear floor panel 11, the front structure 12, and the side sills 13 via the welding surface 211. The reserved welding surface 211 can optimize the welding process between the front floor panel 21 and the rear floor panel 11, between the front structure 12 and between the vehicle body door sills 13, so that the overall process is simple, and the cost of the whole vehicle is reduced.

The edge region 212 of the front floor panel 21 is closer to the battery than the heel plate main body 221 in the height direction of the vehicle, and the edge region 212 of the front floor panel 21 is the region of the front floor panel 21 close to the vehicle body side sill 13. A height difference exists between the edge region 212 and the heel plate main body 221, and the heel plate reinforcing plate 222 is supported between the edge region 212 of the front floor panel 21 and the end of the heel plate main body 221, so that not only can the end of the heel plate main body 221 be further strongly supported, but also the connection stability between the heel plate main body 221 and the front floor panel 21 can be enhanced, and the phenomenon that the connection between the edge region 212 and the heel plate main body 221 is weak due to the height difference and the structural strength of the vehicle is reduced is avoided.

Specifically, as shown in fig. 2, a step structure 213 is provided at an end of the front floor panel 21 close to the rear floor panel 11, the front floor panel 21 is connected to the rear floor panel 11 through the step structure 213, and the step structure 213 is used to transition the height of the front floor panel 21 to the rear floor panel 11. The intermediate region where the step formation 213 is located transitions smoothly with the remainder of the front floor panel 21 and the heel panel assembly 22 is secured at the smoothly transitioning portion. The front floor panel 21 is lower in height than the rear floor panel 11, and the stepped structure 213 is protruded in a height direction in a direction away from the battery so that the front floor panel 21 is substantially Z-shaped as a whole. The step structure 213 not only enables the front floor panel 21 to be smoothly and stably connected with the rear floor panel 11; and also to provide a support surface for the rear seats of the vehicle to provide better support for the rear seats.

In this embodiment, the edge region 212 of the step structure 213 is closer to the cell than the heel plate main body 221 in the height direction of the vehicle, there is a height difference between the edge region 212 and the heel plate main body 221, and the heel plate reinforcing plate 222 is supported between the edge region 212 of the step structure 213 and the end of the heel plate main body 221 to enhance the connection stability between the heel plate main body 221 and the front floor panel 21, so as to avoid the weak connection between the edge region 212 and the heel plate main body 221 due to the height difference and the reduction in the structural strength of the vehicle. The step structure 213 is further provided with a plurality of reinforcing ribs 2131, and the reinforcing ribs 2131 are respectively arranged on the edge area 212 in the front-back direction, so that the local structural strength of the edge area 212 is effectively increased, and the impact resistance of the frame structure is enhanced.

In other embodiments, the edge region 212 of the step structure 213 may also be a flat plate.

The step structure 213 is further provided with a service hole 2132, the service hole 2132 is located in the middle area of the step structure 213, and the front floor assembly structure 20 further comprises a service hole cover 2133 covering the service hole 2132 and connected with the step structure 213. The step structure 213 is provided with the access hole 2132 to facilitate maintenance and inspection of the battery under the front floor assembly structure 20, the front floor assembly structure 20 serves as an upper cover of the battery, the battery is not shielded by another upper cover, and the battery can be directly maintained in the vehicle through the access hole 2132.

In this embodiment, as shown in fig. 2, the access opening 2132 is square, and the access opening cover 2133 is also square in shape corresponding to the access opening 2132. The access opening cover 2133 completely covers the access opening 2132 and partially overlaps the step structure 213 all around in the height direction to facilitate detachable connection of the access opening cover 2133 with the step structure 213. The rivet nuts of the airtight structure are uniformly arranged on the periphery of the overhauling port cover 2133, and the periphery of the overhauling port cover 2133 is connected with the step structure 213 in a sealing mode through sealing rubber strips. Through this kind of connected mode, can not only realize the dismantlement between maintenance flap 2133 and the stair structure 213 and be connected, conveniently maintain the inspection to the battery of preceding floor assembly structure 20 below, also can guarantee to overhaul the sealing performance of being connected between flap 2133 and the stair structure 213, inside the reduction leads to permeating the vehicle from the junction behind the battery weeping because of the sealing performance of junction is poor to cause the risk of injury to the passenger.

In other embodiments, the access door 2133 and the step structure 213 can be detachably connected in other manners, which is not limited in this application.

Step structure 213 still is equipped with seat and prevents dive support 2134 from one side of battery, and seat prevents dive support 2134 and sets up respectively in the left and right sides of access hole for provide stronger supporting role for the seat.

As shown in FIG. 4, FIG. 4 is a cross-sectional structural view of the heel plate main body and step structure in the vehicle shown in FIG. 2.

Further, as shown in fig. 4, the heel plate main body 221 and the step structure 213 are arranged at intervals in the front-rear direction, the heel plate main body 221 deviates from the rear floor panel 11 compared with the step structure 213, the cross sections of the front portions of the heel plate main body 221 and the step structure 213 are both in a "Z" shape, the slope of the middle section of the cross section of the heel plate main body 221 is greater than that of the middle section of the front portion of the step structure 213, so that a cavity is defined around the front portions of the heel plate main body 221 and the step structure 213, and the cavity is communicated with the cavity defined around the left end and the right end of the heel plate assembly 22 by the step structure 213, which provides better rigidity support for the passengers in the rear row, also realizes the left-right continuity of the cavity structure, and simultaneously improves the material utilization rate of the heel plate main body 221.

Continuing with FIG. 5, FIG. 5 is an enlarged schematic view of A in the vehicle of FIG. 1.

Specifically, the heel plate reinforcing plate 222 includes a support portion 2221 connected to the heel plate main body 221 in a bent manner and a connecting portion 2222 connected to the support portion 2221 in a bent manner, and the heel plate reinforcing plate 222 is connected to the heel plate main body 221 through the support portion 2221 and to the front floor panel 21 through the connecting portion 2222. The cavity between the left and right ends of the heel plate assembly 22 and the front floor panel 21 is enclosed by the heel plate main body 221, the supporting portion 2221 and the front floor panel 21.

In the present embodiment, as shown in fig. 5, two heel-plate reinforcing plates 222 are provided at each of the left and right ends of the heel-plate main body 221. The support portion 2221 of each heel plate reinforcing plate 222 is connected to the heel plate main body 221 and is disposed at an interval in the front-rear direction, and the connecting portion 2222 of each heel plate reinforcing plate 222 extends in the opposite direction to the front-rear direction, and it is understood that the connecting portion 2222 of the heel plate reinforcing plate 222 connected to the front portion of the heel plate main body 221 extends in the front direction and the connecting portion 2222 of the heel plate reinforcing plate 222 connected to the rear end of the heel plate main body 221 extends in the rear direction. The supporting portion 2221 between the heel plate main body 221 and the front floor panel 21 can give a certain supporting force to the heel plate main body 221, and the connecting portion 2222 connected to the front floor panel 21 can ensure the connecting strength between the heel plate reinforcing plate 222 and the front floor panel 21, so that the connection between the heel plate assembly 22 and the front floor panel 21 is firmer, and damage to the heel plate reinforcing plate 222 due to the unstable connection between the reinforcing plate and the heel plate main body 221 and the front floor panel 21 when an impact from the height direction is received, which may cause injury to passengers.

In other embodiments, two heel plate reinforcing plates 222 are provided at each of the left and right ends of the heel plate main body 221, and the heel plate reinforcing plates 222 are formed in a "1" shape, each heel plate reinforcing plate 222 is connected to the heel plate main body 221 and spaced apart in the front-rear direction, or only one heel plate reinforcing plate 222 may be connected to each of the left and right ends of the heel plate main body 221, and the heel plate reinforcing plates 222 are connected to the heel plate main body 221 and the front floor panel 21 in an "i" shape.

As shown in fig. 2, when the heel plate assembly 22 is orthographically projected to the front floor panel 21 in the height direction, the heel plate main body 221 partially falls outside the front floor panel 21, i.e., the length of the heel plate main body 221 in the left-right direction is larger than the length of the front floor panel 21 in the left-right direction, so that both left and right end portions of the heel plate main body 221 exceed the edge of the front floor panel 21 after being connected to the front floor panel 21. The design is convenient for welding the left end and the right end of the heel plate main body 221 with the vehicle door sill 13, so that the heel plate main body 221 is more firmly connected in a vehicle, the side impact of the whole vehicle can be protected, and the invasion amount of a passenger compartment is reduced.

Further, as shown in fig. 2, the front floor assembly structure 20 further includes a rear seat cross member 23 connected to the front floor panel 21, and a rear front floor reinforcement beam 24. The seat rear cross member 23 extends in the left-right direction and is disposed at a distance from the heel panel assembly 22 in the front-rear direction of the vehicle, and the seat rear cross member 23 is on the front side of the heel panel assembly 22, and the heel panel assembly 22 is closer to the rear floor panel 11 than the seat rear cross member 23. The front floor rear reinforcing beam 24 extends in a convex shape in the front-rear direction and is provided between the heel plate assembly 22 and the seat rear cross member 23 for reinforcing the structural strength of the front floor panel 21 while also providing a better rigidity support to the rear footfall region. Further, the front floor assembly structure 20 further includes a battery tray hanging point 25, and the battery tray hanging point 25 is fixed at the boundary between the seat rear cross member 23 and the front floor rear reinforcing beam 24 and is a fixing point of the middle portion of the battery tray. The hanging points are arranged, so that the battery tray can be connected on the frame structure more firmly, the seat rear cross beam 23 and the front floor rear reinforcing beam 24 also provide better strength for the battery hanging points, and the frame structure can better bear the weight of the battery and is not easy to bend and deform.

Through set up preceding floor panel and heel board assembly in preceding floor assembly structure, heel board assembly is located the one side that the battery is backed away from to preceding floor panel, and heel board assembly includes heel board main part and heel board reinforcing plate, and heel board reinforcing plate connects between heel board main part and preceding floor panel to enclose to establish a cavity with both jointly. For traditional frame construction, this kind of structure setting not only can be so that not splice seam between preceding floor panel and the heel board assembly, avoid using PVC to glue and seal the splice seam, floor panel is not only the degree of difficulty big with the junction brush of heel board assembly in the front, even when taking place the battery thermal runaway, it leaks to cause the injury to the passenger to produce this department easily, and set up the heel board reinforcing plate between heel board main part and preceding floor panel and can not only promote the sealing performance of automobile body, can reduce the sealed spraying of gluing of two PVC simultaneously, make the cost of vehicle reduce by a wide margin.

The above embodiments are only examples of the present application, and not intended to limit the scope of the present application, and all features of the above embodiments can be combined with each other, and all equivalent structures, equivalent flow transformations, and combinations thereof, which are made by using the contents of the specification and the drawings of the present application, or directly or indirectly applied to other related technical fields, are included in the scope of the present application.

Claims (10)

1. A front floor assembly structure that doubles as an upper cover for a battery of a vehicle, the front floor assembly structure including a front floor panel and a heel panel assembly, the heel panel assembly being located on a side of the front floor panel facing away from the battery and including a heel panel main body and a heel panel reinforcing plate, the heel panel main body being provided with the heel panel reinforcing plate at both ends thereof in a left-right direction of the vehicle, respectively, the heel panel reinforcing plate being connected with the front floor panel so that the heel panel assembly and the front floor panel enclose a cavity.

2. The front floor assembly structure according to claim 1, wherein an edge region of the front floor panel is closer to the battery than the heel plate main body in a height direction of the vehicle, the heel plate reinforcing plate being supported between the edge region of the front floor panel and an end of the heel plate main body.

3. The front floor assembly structure according to claim 2, wherein the heel plate main body portion falls outside the front floor panel when the heel plate assembly is orthographically projected to the front floor panel in the height direction.

4. The front floor assembly structure according to claim 2, wherein the heel plate reinforcing plate includes two support portions that are connected to the heel plate main body at a bend and two connecting portions that are connected to the support portions at a bend, the two connecting portions extending in a direction opposite to the front-rear direction of the vehicle, the connecting portions being welded to the front floor panel.

5. The front floor assembly structure according to claim 2, wherein an end of the front floor panel in the front-rear direction of the vehicle is provided with a stepped structure that is convex in the height direction in a direction away from the battery and provides a support surface for a rear seat of the vehicle, a middle area where the stepped structure is located is gently transited between the front floor panel and the heel panel assembly is fixed at the gently transited portion.

6. The front floor assembly structure according to claim 5, wherein the step structure is provided with an access opening for access to the battery, and the front floor assembly structure includes an access opening cover covering the access opening and connected to the step structure.

7. The front floor assembly structure according to claim 6, wherein the service flap partially overlaps the step structure in the height direction and is hermetically connected by a sealing rubber strip and a blind rivet nut.

8. The front floor assembly structure of claim 6, wherein said heel plate body is spaced from said step structure in said fore-aft direction to enclose a cavity.

9. The front floor assembly structure according to claim 1, characterized in that the front floor assembly structure includes a seat rear cross member connected to the front floor panel, the seat rear cross member extending in the left-right direction and being disposed at a distance from the heel plate assembly in a front-rear direction of the vehicle, a front floor rear reinforcement beam extending in the front-rear direction and being disposed between the heel plate assembly and the seat rear cross member, and a battery tray hanging point fixed at a boundary between the seat rear cross member and the front floor rear reinforcement beam.

10. A vehicle, characterized in that the vehicle comprises a vehicle body frame assembly, a battery, and a front floor assembly structure of any one of claims 1 to 9, the battery is disposed in the vehicle body frame assembly, the front floor panel assembly is connected with the vehicle body frame assembly, and the front floor assembly structure doubles as an upper cover of the battery.

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