CN202783437U - Blade electric vehicle floor board structure - Google Patents

Abstract

The utility model discloses a floor structure for a pure electric vehicle, which comprises a front floor, a rear floor, a front floor frame with a channel longitudinal beam, a rear floor frame, a seat beam and a power battery. The front floor has a battery installation space boss. The seat beam is connected to the middle front floor and crosses the left and right front floors to connect with the front longitudinal beam. The structure is stable, which not only ensures the power battery installation space, but also ensures the strength and rigidity of the floor frame. The power battery fixing bracket connection structure also forms a frame structure, which also ensures a high battery fixing point strength, and can enhance the performance of the vehicle body, which is of great benefit to the improvement of bending stiffness and torsional stiffness. At the same time, the straddling structure of the front seat beam also ensures the space under the seat and avoids interference with other parts of the vehicle. The utility model has the characteristics of high overall strength, high rigidity, high structural safety, and large load-carrying capacity, and meets the installation and fixing requirements of the power battery and the passenger's riding comfort requirements.

Description

Pure electric vehicle floor structure

technical field

The utility model relates to an automobile floor, in particular to a pure electric automobile floor structure.

Background technique

The power battery of pure electric vehicles is arranged under the floor due to its large size and heavy weight. This requires major changes to the existing floor structure, and the design of the floor structure is relatively difficult. For a load-bearing body, the floor is the main structural component, and the floor is required to have sufficient structural strength.

Moreover, the connection structure of the front seat beam of traditional passenger cars cannot be applied to pure electric vehicles, and the front seat beam structure and connection structure of the body need to be redesigned to meet the requirements of space layout, strength, and stability.

Therefore, how to design a floor structure to meet the high rigidity of the vehicle body, the high strength of the battery fixing point, and the space requirements for seat layout has become a difficult problem.

Contents of the invention

The purpose of the utility model is to overcome the deficiencies in the prior art and provide a floor structure for a pure electric vehicle with a stable structure.

In order to achieve the above purpose, the floor structure of the pure electric vehicle designed by the utility model includes a front floor, a rear floor, a front floor frame supporting the front floor, a rear floor frame supporting the rear floor, a seat beam arranged on the front floor and The power battery arranged under the front and rear floors, the front floor frame includes a front engine compartment support frame, and the rear end of the front engine compartment support frame is connected with a channel stringer, and the channel stringer includes a first channel stringer and the second channel longitudinal beam, the two outer sides of the front floor frame are respectively provided with a first front longitudinal beam and a second front longitudinal beam extending forward and backward to the floor;

The rear floor frame includes a first rear longitudinal beam, a second rear longitudinal beam, a first battery rear fixed beam and a second battery rear fixed beam, the rear end of the first battery rear fixed beam is connected to the first rear longitudinal beam The front end is fixedly connected to form the first side longitudinal beam assembly, the rear end of the second battery rear fixed beam is fixedly connected to the front end of the second rear longitudinal beam to form the second side longitudinal beam assembly, the two A first crossbeam and a second crossbeam are arranged between the side longitudinal beam assemblies;

The front end of the rear floor is connected to the floor beam inner plate, the two ends of the front side plate of the floor beam inner plate are respectively connected with the inner sides of the first front longitudinal beam and the second front longitudinal beam, and the floor beam inner plate The two ends of the rear side plate of the battery are respectively connected to the front ends of the first battery rear fixed beam and the second battery rear fixed beam, the front end side of the first battery rear fixed beam is connected to the inner side of the first front longitudinal beam, and the second The front side of the rear fixing beam of the second battery is connected to the inner side of the second front longitudinal beam;

The front floor includes a central front floor, a right front floor and a left front floor connected as a whole, one end of the seat beam is connected to the middle front floor, and the other end of the seat beam is connected to the first front longitudinal beam or the second front stringer connection;

Both sides of the bottom of the power battery are provided with brackets for power battery installation, the front ends of the bracket are respectively fixed to the first channel longitudinal beam and the second channel longitudinal beam, and the rear ends of the bracket are respectively fixed to the rear of the first battery The beam and the second battery are fixed after the beam is fixed.

In the above solution, a front installation space for the power battery is provided on the middle front floor of the front floor, and a space for the power battery is formed between the rear floor and the first beam, the first battery rear fixing beam and the second battery rear fixing beam. The rear installation space, the power battery is arranged in the installation space of the front and rear floors.

In the above scheme, the middle front floor includes a raised plate in the middle and left and right segment plates arranged on both sides of the raised plate, the front sections of the left and right segment plates are footing planes, and the The rear sections of the left and right section plates are convex platforms, above which is the installation position of the seat crossbeam, and below the raised panels and the convex platforms form the front installation space for the power battery; the front floor The right front floor and the left front floor include a channel floor, the front section of the channel floor is connected with the stepping plane, the rear section of the channel floor is connected with the convex platform, and one side of the channel floor is provided with a As for the side panel, the other side of the access floor is connected to the first front longitudinal beam or the second front longitudinal beam.

In the above solution, a channel inner plate is arranged above the raised plate of the middle front floor, and the seat beam includes a first seat front beam, a first seat rear beam, and a second seat beam connected to the inner side of the channel inner plate. The front seat beam and the second seat rear beam, the first seat front beam and the first seat rear beam are arranged on the boss surface of the left segment plate, the second seat front beam and the second seat rear The beam is arranged on the boss surface of the right section plate, the outer sides of the first seat front beam and the first seat rear beam are connected with the first front longitudinal beam, and the second seat front beam and the second seat rear The outer side of the cross member is connected with the second front longitudinal member.

In the above solution, the first seat front beam is on the same straight line as the second seat front beam, and the first seat rear beam is on the same straight line as the second seat rear beam.

In the above scheme, the structure of the first seat front beam, the first seat rear beam, the second seat front beam and the second seat rear beam is the same, and it includes a seat main beam, and the seat main beam The bottom of the seat is connected with a reinforcing plate, one end of the seat main beam is provided with a seat outer bracket connected with the reinforcing plate, and the other end of the seat main beam is provided with a connecting plate connected to the front section of the inner panel of the channel. The end of the reinforcing plate and the seat outer frame is provided with a side plate connected with the first front longitudinal beam or the second front longitudinal beam.

In the above solution, a structurally stable tripod structure is formed between the main beam of the seat, the reinforcing plate and the outer support of the seat.

In the above solution, the inner sides of the first battery rear fixing beam and the second battery rear fixing beam are connected to the width of the rear floor, and the rear seat anti-submersion beam is arranged on the top surface of the rear floor.

In the above solution, the bracket is provided with a plurality of lifting lugs connected to the floor, and the structure of the first battery rear fixing beam and the second battery rear fixing beam is the same, and it includes a stamped side plate and a bottom plate. The bottom plate is provided with a first nut plate and a first connecting nut fixedly connected with the lifting lug; the first channel stringer and the second channel stringer are both provided with a second nut plate fixedly connected with the lifting lug and a second coupling nut.

The beneficial effect of the utility model is that: the front floor has a battery installation space boss, the seat crossbeam is connected with the middle front floor and crosses the left and right front floors to connect with the front longitudinal beam, the structure is stable, which not only guarantees the power battery installation space, but also ensures the floor skeleton strength and rigidity requirements. The connection structure of the vehicle power battery fixing bracket also forms a frame structure, which also ensures a high battery fixing point strength, and can enhance the performance of the vehicle body, which is of great benefit to the improvement of bending stiffness and torsional stiffness. At the same time, the straddling structure of the front seat beam also ensures the space under the seat and avoids interference with other parts of the vehicle. The utility model has the characteristics of high overall strength, high rigidity, high structural safety and large carrying capacity, is beneficial to the arrangement of power batteries, and fully meets the requirements for installation and fixing of power batteries and passengers' riding comfort requirements.

Description of drawings

Fig. 1 is a schematic top view of the floor structure of the pure electric vehicle of the present invention.

Fig. 2 is a schematic bottom view of the floor structure of the pure electric vehicle of the present invention.

Fig. 3 is a schematic structural diagram of the front floor frame in Fig. 1 .

Fig. 4 is a schematic structural diagram of the rear floor frame in Fig. 1 .

Fig. 5 is a schematic diagram of the connection between the front floor frame and the rear floor frame in Fig. 1 .

Fig. 6 is a schematic diagram of the connection structure of the seat beam in Fig. 1 .

Fig. 7 is a schematic structural diagram of the front floor in Fig. 1 .

FIG. 8 is a schematic structural diagram of the seat beam in FIG. 6 .

FIG. 9 is a schematic structural view of the rear fixing beam of the battery in FIG. 2 .

Figure 10 is a schematic diagram of the installation structure of the power battery.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.

The pure electric vehicle floor structure shown in Figures 1, 2, and 10 includes a front floor 1, a rear floor 4, a front floor frame 5 supporting the front floor 1, a rear floor frame 3 supporting the rear floor 4, and a The seat beam 2 and the power battery 8 arranged under the front and rear floors. The two outer sides of the front floor frame 5 are respectively provided with a first front longitudinal beam 6 and a second front longitudinal beam 7 extending forward and backward to the floor.

The front floor frame 5 shown in Figure 3 includes a front engine compartment support frame 5.1, and the rear end of the front engine compartment support frame 5.1 is connected with a channel stringer, and the channel stringer includes a first channel stringer 5.2 and a second channel stringer 5.3 . Both the first channel stringer 5.2 and the second channel stringer 5.3 are provided with a second nut plate 5.4 and a second connecting nut 5.5.

The rear floor frame 3 shown in Fig. 4 includes a first rear longitudinal beam 3.1, a second rear longitudinal beam 3.2, a first battery rear fixing beam 3.5 and a second battery rear fixing beam 3.6. The rear end of the first battery rear fixed beam 3.5 is fixedly connected to the front end of the first rear longitudinal beam 3.1 to form a first side longitudinal beam assembly. The rear end of the second battery rear fixed beam 3.6 is fixedly connected to the front end of the second rear longitudinal beam 3.2 to form the second side longitudinal beam assembly, and the first cross beam 3.3 and the second side longitudinal beam assembly are arranged between the two side longitudinal beam assemblies. Beams 3.4. The structure of the first battery rear fixed beam 3.5 and the second battery rear fixed beam 3.6 is the same, it includes a stamped side plate 3.5.1 and a bottom plate 3.5.2, the bottom plate 3.5.2 is connected with the first nut plate 3.5.3 and 3.5.4 first coupling nut.

1 and 5, the front end of the rear floor 4 is connected to the floor beam inner panel 4.1, and the two ends of the front side panel of the floor beam inner panel 4.1 are connected to the inner sides of the first front longitudinal beam 6 and the second front longitudinal beam 7 respectively. Connection, the two ends of the rear side plate of the floor beam inner plate 4.1 are respectively connected with the front ends of the first battery rear fixed beam 3.5 and the second battery rear fixed beam 3.6. The front end side of the first battery rear fixing beam 3.5 is connected to the inner side of the first front longitudinal beam 6, and the front end side of the second battery rear fixing beam 3.6 is connected to the inner side of the second front longitudinal beam 7. The inner sides of the first battery rear fixed beam 3.5 and the second battery rear fixed beam 3.6 are connected to the width of the rear floor 4, and the rear seat anti-submersion beam 4.2 is arranged on the top surface of the rear floor 4.

The front floor 1 shown in Fig. 7 includes a middle front floor 1.1, a right front floor 1.2 and a left front floor 1.3 connected as a whole. The middle front floor 1.1 includes a raised plate 1.1.1 in the middle and a left segment plate 1.1.2 and a right segment plate 1.1.3 arranged on both sides of the raised plate 1.1.1. The front section of the left section plate 1.1.2 and the right section plate 1.1.3 is a stepping plane 1.1.4, and the rear section of the left section plate 1.1.2 and the right section plate 1.1.3 is a convex platform 1.1.5. The top of the raised table surface 1.1.5 is the installation position of the seat beam 2, and the lower part of the raised plate 1.1.1 and the raised table surface 1.1.5 forms the front installation space of the power battery 8. A channel inner plate 1.1.6 is arranged above the raised plate 1.1.1 of the middle front floor 1.1. The right front floor 1.2 and the left front floor 1.3 of the front floor 1 include the access floor 1.4, the front section of the access floor 1.4 is connected with the stepping plane 1.1.4, the rear section of the access floor 1.4 is connected with the convex table 1.1.5, and one side of the access floor 1.4 A side plate 1.4.1 connected to the boss surface 1.1.5 is provided, and the other side of the access floor 1.4 is connected to the first front longitudinal beam 6 or the second front longitudinal beam 7 .

1, 6 and 7, the seat beam 2 includes the first seat front beam 2.1, the first seat rear beam 2.2, the second seat front beam 2.3 and the second Seat rear beam 2.4. The first seat front beam 2.1 and the first seat rear beam 2.2 are arranged on the convex table surface 1.1.5 of the left section plate 1.1.2, and the second seat front beam 2.3 and the second seat rear beam 2.4 are arranged on the right section On the raised land 1.1.5 of the plate 1.1.3. The outer sides of the first seat front beam 2.1 and the first seat rear beam 2.2 are connected with the first front longitudinal beam 6, and the outer sides of the second seat front beam 2.3 and the second seat rear beam 2.4 are connected with the second front longitudinal beam 7 connect. The first seat front crossbeam 2.1 is on the same straight line as the second seat front crossbeam 2.3, and the first seat rear crossbeam 2.2 is on the same straight line as the second seat rear crossbeam 2.4.

The structure of the first seat front beam 2.1, the first seat rear beam 2.2, the second seat front beam 2.3 and the second seat rear beam 2.4 is the same, as shown in Figure 8, it includes the seat main beam 2.5, the seat The bottom of the chair main beam 2.5 is connected with a reinforcing plate 2.6. One end of the seat main beam 2.5 is provided with a seat outer support 2.7 connected to the reinforcing plate 2.6, and the other end of the seat main beam 2.5 is provided with a connecting plate 2.8 connected to the front plane of the channel inner panel 1.1.6. Ends of the reinforcing plate 2.6 and the seat outer frame 2.7 are provided with a side plate 2.9 connected with the first front longitudinal beam 6 or the second front longitudinal beam 7 . A tripod structure with stable structure is formed between the seat main beam 2.5, the reinforcing plate 2.6 and the seat outer support 2.7.

2 and 10, the middle front floor 1.1 of the front floor 1 is provided with a front installation space for the power battery 8, and the rear floor 4 is connected with the first beam 3.3, the first battery rear fixed beam 3.5 and the second battery rear fixed beam 3.6 A rear installation space for the power battery 8 is formed between them, and the power battery 8 is arranged in the installation space of the front and rear floors. Both sides of the bottom of the power battery 8 are provided with brackets 9 for installing the power battery 8 . The bracket 9 is provided with a plurality of lifting lugs 9.1 connected to the floor, and the front end of the bracket 9 is respectively connected with the first nut plate 3.5.3 and the first channel longitudinal beam 5.2 and the second channel longitudinal beam 5.3 through the lifting lug 9.1 3.5.4 A connecting nut to secure the connection. The rear end of the bracket 9 is fixedly connected to the second nut plate 5.4 and the second connection nut 5.5 provided on the first battery rear fixed beam 3.5 and the second battery rear fixed beam 3.6 respectively through the lifting lug 9.1.

When in use, the front floor frame 5, the rear floor frame 3, the first front longitudinal beam 6, the second front longitudinal beam 7, the seat beam 2, and the floor beam inner panel 4.1 are connected to form a complete frame-type vehicle body support frame. The supporting frame structure of the vehicle body has the characteristics of high stability, high strength, high rigidity and high bearing capacity.

The first channel longitudinal beam 5.2 and the second channel longitudinal beam 5.3 are not only a part of the skeleton structure, but also serve as the front mounting bracket of the power battery 8 . The front end of the bracket 9 installed by the power battery 8 is respectively fixed with the first channel longitudinal beam 5.2 and the second channel longitudinal beam 5.3, and the rear end of the bracket 9 is respectively fixed with the first battery rear fixed beam 3.5 and the second battery rear fixed beam 3.6. The connection structure of the vehicle power battery fixing bracket also forms a frame structure, which also ensures a high battery fixing point strength, and can enhance the performance of the vehicle body, which is of great benefit to the improvement of bending stiffness and torsional stiffness.

The front installation space of the power battery 8 is formed under the raised plate 1.1.1 and the raised table surface 1.1.5 of the front floor 1, and the rear floor 4 is connected with the first beam 3.3, the first battery rear fixed beam 3.5 and the second battery rear fixed beam 3.6 form the rear installation space of power battery 8. The power battery can be loaded under the floor, and the structure is stable.

The seat crossbeam 2 is connected to the middle front floor 1.1 and spans the left and right front floors and the first front longitudinal beam 6 or the second front longitudinal beam 7. The structure is stable, which not only ensures the installation space of the power battery, but also ensures the strength and rigidity of the floor frame. At the same time, the leaping structure of the seat beam 2 also ensures the space under the seat, avoids interference with other parts of the vehicle, and forms a comfortable riding environment.

Claims (9)

1. pure electric automobile floor panel structure, comprise front floor (1), rear floor (4), support the front floor framework (5) of front floor (1), the rear floor frame (3) on floor (4) after supporting, be arranged on the seat beam (2) on the front floor (1) and be arranged on before and after the electrokinetic cell (8) of floor below, it is characterized in that: described front floor framework (5) comprises anterior machinery space bracing frame (5.1), the rear end of described anterior machinery space bracing frame (5.1) is connected with the passage longeron, described passage longeron comprises first passage longeron (5.2) and second channel longeron (5.3), and two outsides of described front floor framework (5) are respectively arranged with the first front side member (6) and the second front side member (7) that extends to the front and back, floor;

Described rear floor frame (3) comprises the first floor side member (3.1), the second floor side member (3.2), fixed beam (3.6) behind fixed beam behind the first battery (3.5) and the second battery, behind described the first battery captive joint with the front end of the first floor side member (3.1) in the rear end of fixed beam (3.5), and formation first side longeron assembly, behind described the second battery captive joint with the front end of the second floor side member (3.2) in the rear end of fixed beam (3.6), and form Second Edge longeron assembly, be provided with first crossbeam (3.3) and second cross beam (3.4) between described two limit longeron assemblies;

The front end on described rear floor (4) is connected with floor crossmember back veneer (4.1), the front side plate two ends of described floor crossmember back veneer (4.1) respectively with the first front side member (6) be connected the inner side edge of front side member (7) and be connected, the rear quarter panel two ends of described floor crossmember back veneer (4.1) respectively with the first battery after fixed beam (3.5) be connected that the front end of fixed beam (3.6) is connected behind the battery, the front end sidepiece of fixed beam (3.5) is connected with the inner side edge of the first front side member (6) behind described the first battery, and the front end sidepiece of fixed beam behind the second battery (3.6) is connected with the inner side edge of the second front side member (7);

Described front floor (1) comprise connect into whole in front floor (1.1), right front floor (1.2) and left front floor (1.3), one end of described seat beam (2) with in front floor (1.1) be connected, the other end of described seat beam (2) is connected with the first front side member (6) or the second front side member (7);

The two bottom sides of described electrokinetic cell (8) is provided with the support (9) of installing for electrokinetic cell (8), the front end of described support (9) is fixing with first passage longeron (5.2) and second channel longeron (5.3) respectively, the rear end of described support (9) respectively with the first battery after behind fixed beam (3.5) and the second battery fixed beam (3.6) fix.

2. described pure electric automobile floor panel structure according to claim 1, it is characterized in that: the front installing space that is provided with electrokinetic cell (8) in the described front floor (1) on front floor (1.1), form the rear installing space of electrokinetic cell (8) behind described rear floor (4) and first crossbeam (3.3), the first battery behind fixed beam (3.5) and the second battery between the fixed beam (3.6), described electrokinetic cell (8) is arranged in the installing space on floor, front and back.

3. described pure electric automobile floor panel structure according to claim 1 and 2, it is characterized in that: in described front floor (1.1) in the middle of comprising raised plate (1.1.1) and be arranged on left section plate (1.1.2) and the right section plate (1.1.3) of raised plate (1.1.1) both sides, the leading portion of described left section plate (1.1.2) and right section plate (1.1.3) is step plane (1.1.4), the back segment of described left section plate (1.1.2) and right section plate (1.1.3) is boss face (1.1.5), the top of described boss face (1.1.5) is the installation site of seat beam (2), and the below of described raised plate (1.1.1) and boss face (1.1.5) forms the front installing space of electrokinetic cell (8);

Right front floor (1.2) and left front floor (1.3) on described front floor (1) comprise gangway-floor (1.4), the leading portion of described gangway-floor (1.4) is connected with described step plane (1.1.4), the back segment of described gangway-floor (1.4) is connected with boss face (1.1.5), one side of described gangway-floor (1.4) is provided with the side plate (1.4.1) that is connected with boss face (1.1.5), and the opposite side of described gangway-floor (1.4) is connected with the first front side member (6) or the second front side member (7).

4. described pure electric automobile floor panel structure according to claim 3, it is characterized in that: the raised plate (1.1.1) of front floor (1.1) top is provided with passage back veneer (1.1.6) in described, described seat beam (2) comprises inboard the first seat front cross rail (2.1) that is connected with passage back veneer (1.1.6), the first seat after cross member (2.2), the second seat front cross rail (2.3) and the second seat after cross member (2.4), described the first seat front cross rail (2.1) and the first seat after cross member (2.2) are arranged on the boss face (1.1.5) of left section plate (1.1.2), described the second seat front cross rail (2.3) and the second seat after cross member (2.4) are arranged on the boss face (1.1.5) of right section plate (1.1.3), described the first seat front cross rail (2.1) be connected the outside of seat after cross member (2.2) and be connected with the first front side member (6), described the second seat front cross rail (2.3) be connected the outside of seat after cross member (2.4) and be connected with the second front side member (7).

5. described pure electric automobile floor panel structure according to claim 4, it is characterized in that: described the first seat front cross rail (2.1) and the second seat front cross rail (2.3) are on same straight line, and described the first seat after cross member (2.2) and the second seat after cross member (2.4) are on same straight line.

6. described pure electric automobile floor panel structure according to claim 4, it is characterized in that: described the first seat front cross rail (2.1), the first seat after cross member (2.2), the second seat front cross rail (2.3) is identical with the structure of the second seat after cross member (2.4), it comprises seat girder (2.5), the below of described seat girder (2.5) is connected with brace panel (2.6), one end of described seat girder (2.5) is provided with the seat outboard support (2.7) that is connected with brace panel (2.6), the connecting panel (2.8) that the other end setting of described seat girder (2.5) is connected with the leading portion plane of passage back veneer (1.1.6), described brace panel (2.6) is connected 2.7 with the seat outboard support) end be provided with the side plate (2.9) that is connected with the first front side member (6) or the second front side member (7).

7. described pure electric automobile floor panel structure according to claim 6 is characterized in that: consist of constitutionally stable triangle rack and panel construction between described seat girder (2.5), brace panel (2.6) and the seat outboard support (2.7).

8. described pure electric automobile floor panel structure according to claim 1 and 2, it is characterized in that: behind described the first battery fixed beam (3.5) be connected that the inboard of fixed beam (3.6) is connected with the breadth of rear floor (4) behind the battery, the end face on described rear floor (4) is provided with the anti-dive beam (4.2) of back seat.

9. described pure electric automobile floor panel structure according to claim 1 and 2, it is characterized in that: be provided with a plurality of hangers that link to each other with the floor (9.1) on the described support (9), behind described the first battery behind fixed beam (3.5) and the second battery structure of fixed beam (3.6) identical, it comprises stamping forming side plate (3.5.1) and base plate (3.5.2), is provided with the first nutplate (3.5.3) and first coupling nut (3.5.4) of captiveing joint with described hanger (9.1) on the described base plate (3.5.2); Described first passage longeron (5.2) is provided with the second nutplate (5.4) and second coupling nut (5.5) of captiveing joint with described hanger (9.1) with second channel longeron (5.3).

Images