Frame for electric vehicle

Abstract

The frame comprises a front main body frame, a rear main body frame and a front shaft fork pipe frame, the front main body frame comprises an upper supporting frame and a lower fixing plate, and the upper supporting frame and the lower fixing plate are fixedly connected to form the whole front main body frame. The front end of the upper support frame is fixedly connected with the front shaft fork pipe frame, and the rear end is fixedly connected with the rear main body frame; the rear main body frame comprises a left suspension beam frame and a right suspension beam frame, the left suspension beam frame and the right suspension beam frame are of the same structural design, the left suspension beam frame and the right suspension beam frame respectively comprise an outer side beam frame plate and an inner side beam frame plate, the outer side beam frame plate is fixedly connected with the inner side beam frame plate, and the left suspension beam frame and the right suspension beam frame are fixedly connected with the upper supporting frame through the inner side beam frame plates in the left suspension beam frame and the right suspension beam frame. And the rear ends of the left cantilever frame and the right cantilever frame are fixedly connected through a seat plate. The vehicle frame is good in integrity and light, so that the comfort and the driving performance of the vehicle are greatly improved, and the driving stability of the vehicle is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicles, and particularly relates to a vehicle frame for an electric vehicle. Background Art

[0002] Electric vehicles and electric motorcycles are one of the common means of transportation at present, and are popular among users because of their environmental protection, lightness and other advantages. In life, electric vehicles and electric motorcycles are not only limited to the main purpose of use, but the comfort and driving performance of them are paid more and more attention by young people.

[0003] The comfort and driving performance of a vehicle are closely related to the structural design of the vehicle frame. However, the existing electric vehicle frames are composed of pipes and frames connected together, and the integrity of the vehicle frame is poor, and the vehicle frame appears bulky, resulting in general comfort and driving performance of the vehicle, and the driving stability of the vehicle is also not good. Therefore, great improvement is needed. Summary of the Invention

[0004] The purpose of the utility model is to solve the problems raised in the above background art, and provide a vehicle frame for an electric vehicle.

[0005] To achieve the above purpose, the technical solution of the utility model is: a vehicle frame for an electric vehicle, including a front main frame, a rear main frame, and a front axle fork pipe frame. The front main frame includes an upper support frame and a lower fixing plate, and the upper support frame and the lower fixing plate are fixedly connected to form an integral front main frame. The front end of the upper support frame is fixedly connected to the front axle fork pipe frame, and the rear end is fixedly connected to the rear main frame. The rear main frame includes a left suspension beam frame and a right suspension beam frame. The left suspension beam frame and the right suspension beam frame have the same structural design. The left suspension beam frame and the right suspension beam frame respectively include an outer beam frame plate and an inner beam frame plate, and the outer beam frame plate and the inner beam frame plate are fixedly connected. The left suspension beam frame and the right suspension beam frame are fixedly connected to the upper support frame through the inner beam frame plates respectively, and the rear ends of the left suspension beam frame and the right suspension beam frame are fixedly connected through a seat plate.

[0006] In the above vehicle frame for an electric vehicle, the upper support frame, the lower fixing plate, the outer beam frame plate, and the inner beam frame plate are integrally pressed and processed from plates.

[0007] In the above vehicle frame for an electric vehicle, a plurality of fixing holes are respectively arranged on both sides of the upper support frame and the lower fixing plate, and at the front end of the inner beam frame plate and the upper support frame.

[0008] In the above vehicle frame for an electric vehicle, the front end of the inner beam frame plate is fixedly attached to the side of the rear end of the upper support frame, and at the same time, part of the edge is fixed by welding.

[0009] In the above-mentioned frame for an electric vehicle, a middle support frame is provided between the left suspension beam frame and the right suspension beam frame. Corresponding side connection holes are respectively provided between the two sides of the middle support frame and the inner beam frame plates, and at the same time, the two sides are fixedly welded to the outer beam frame plates.

[0010] In the above-mentioned frame for an electric vehicle, the side edges of the outer beam frame plate and the inner beam frame plate are fixedly welded.

[0011] In the above-mentioned frame for an electric vehicle, the upper support frame and the front axle fork tube frame are fixedly welded.

[0012] In the above-mentioned frame for an electric vehicle, a front strengthening frame plate is further provided between the upper support frame and the front axle fork tube frame. The front strengthening frame plate is also integrally pressed and processed from a plate, and is respectively fixedly welded to the upper support frame and the front axle fork tube frame.

[0013] In the above-mentioned frame for an electric vehicle, a middle strengthening frame plate is provided between the rear ends of the upper support frame. The two ends of the middle strengthening frame plate are fixedly welded to the upper support frame and are correspondingly located between the two inner beam frame plates.

[0014] In the above-mentioned frame for an electric vehicle, an installation and placement cavity is formed between the upper support frame and the lower fixing plate, and corresponding placement holes are provided on the upper support frame.

[0015] Adopting the above technical solutions, the present utility model has the following beneficial effects:

[0016] In the present utility model, the components in the front main frame and the rear main frame are integrally pressed and processed from plates, and then the front main frame and the rear main frame are connected by a unique connection method, thereby forming an integral frame; the frame of this structure has good integrity and is light in weight, greatly improving the comfort and driving performance of the vehicle, and further improving the stability of vehicle driving. Description of the Drawings

[0017] Figure 1 , Figure 3 , Figure 4 , Figure 5 are the three-dimensional views of the present utility model in different directions;

[0018] Figure 2 is the exploded view of the present utility model. Detailed Embodiment

[0019] The present utility model will be further described in conjunction with the drawings.

[0020] Please refer to Figures 1 to 5As shown in the figure, the present utility model provides a frame for an electric vehicle, which includes a front main frame 1, a rear main frame 2, and a front axle fork pipe frame 3. The front main frame 1 includes an upper support frame 4 and a lower fixing plate 5. The upper support frame 4 and the lower fixing plate 5 are fixedly connected to form the overall front main frame 1. The front end of the upper support frame 4 is fixedly connected to the front axle fork pipe frame 3, and the rear end is fixedly connected to the rear main frame 2. The rear main frame 2 includes a left suspension beam frame 6 and a right suspension beam frame 7. The left suspension beam frame 6 and the right suspension beam frame 7 have the same structural design. The left suspension beam frame 6 and the right suspension beam frame 7 respectively include an outer beam frame plate 8 and an inner beam frame plate 9. The outer beam frame plate 8 and the inner beam frame plate 9 are fixedly connected. The left suspension beam frame 6 and the right suspension beam frame 7 are fixedly connected to the upper support frame 4 through the inner beam frame plates 9 therein, and the rear ends of the left suspension beam frame 6 and the right suspension beam frame 7 are fixedly connected through a seat plate 10.

[0021] Preferably, the upper support frame 4, the lower fixing plate 5, the outer beam frame plate 8, and the inner beam frame plate 9 are integrally formed by pressing a plate.

[0022] Further, a plurality of fixing holes 11 are respectively provided on both sides of the upper support frame 4 and the lower fixing plate 5, and at the front end of the inner beam frame plate 9 and the upper support frame 4, and they are fixedly connected through the fixing holes 11.

[0023] Further, the front end of the inner beam frame plate 9 is fixedly attached to the side of the rear end of the upper support frame 4, and at the same time, part of the edge is fixed by welding.

[0024] Further, a middle support frame 12 is provided between the left suspension beam frame 6 and the right suspension beam frame 7. Corresponding side connection holes 13 are respectively provided between the two sides of the middle support frame 12 and the inner beam frame plates 9, and at the same time, the two sides are fixed to the outer beam frame plates 8 by welding.

[0025] Further, the side edges of the outer beam frame plate 8 and the inner beam frame plate 9 are fixed by welding.

[0026] Further, the upper support frame 4 and the front axle fork pipe frame 3 are fixed by welding.

[0027] Further, a front reinforcing plate 14 is also provided between the upper support frame 4 and the front axle fork pipe frame 3. The front reinforcing plate 14 is also integrally formed by pressing a plate and is respectively fixed to the upper support frame 4 and the front axle fork pipe frame 3 by welding.

[0028] Further, a middle reinforcing plate 15 is provided between the rear ends of the upper support frame 4. The two ends of the middle reinforcing plate 15 are fixed to the upper support frame 4 by welding and are correspondingly located between the two inner beam frame plates 9.

[0029] Further, an installation and placement cavity 16 is formed between the upper support frame 4 and the lower fixing plate 5, and corresponding placement holes 17 are provided on the upper support frame 4.

[0030] The above has introduced in detail a frame for an electric vehicle provided by an embodiment of the present invention. Specific examples are used in this article to elaborate on the principle and implementation manner of the present invention. The description of the above embodiments is only used to help understand the technical solution disclosed by the present invention; at the same time, for those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. A frame for an electric vehicle, characterized in that: It includes a front main frame (1), a rear main frame (2), and a front axle fork tube frame (3). The front main frame (1) includes an upper support frame (4) and a lower fixed plate (5). The upper support frame (4) and the lower fixed plate (5) are fixedly connected to form an integral front main frame (1). The front end of the upper support frame (4) is fixedly connected to the front axle fork tube frame (3), and the rear end is fixedly connected to the rear main frame (2). The rear main frame (2) includes a left suspension beam frame (6) and a right suspension beam frame (7). The left suspension beam frame (6) and the right suspension beam frame (7) have the same structural design. The left suspension beam frame (6) and the right suspension beam frame (7) respectively include an outer beam frame plate (8) and an inner beam frame plate (9). The outer beam frame plate (8) and the inner beam frame plate (9) are fixedly connected. The left suspension beam frame (6) and the right suspension beam frame (7) are fixedly connected to the upper support frame (4) through the inner beam frame plates (9) therein. The rear ends of the left suspension beam frame (6) and the right suspension beam frame (7) are fixedly connected through a seat plate (10).

2. The frame for an electric vehicle according to claim 1, characterized in that: The upper support frame (4), the lower fixed plate (5), the outer beam frame plate (8), and the inner beam frame plate (9) are integrally pressed and processed from plates.

3. A frame for an electric vehicle according to claim 1 or 2, characterized in that: A plurality of fixing holes (11) are respectively provided on both sides of the upper support frame (4) and the lower fixed plate (5), and at the front end of the inner beam frame plate (9) and the upper support frame (4).

4. A frame for an electric vehicle according to claim 3, characterized in that: The front end of the inner beam frame plate (9) is fixedly attached to the side of the rear end of the upper support frame (4), and at the same time, part of the edge is fixed by welding.

5. A frame for an electric vehicle according to claim 1, characterized in that: A middle support frame (12) is provided between the left suspension beam frame (6) and the right suspension beam frame (7). Corresponding side connection holes (13) are respectively provided between both sides of the middle support frame (12) and the inner beam frame plates (9), and at the same time, both sides are fixed by welding to the outer beam frame plates (8).

6. The frame for an electric vehicle according to claim 5, characterized in that: The side edges of the outer beam frame plate (8) and the inner beam frame plate (9) are fixed by welding.

7. A frame for an electric vehicle according to claim 1 or 2, characterized in that: The upper support frame (4) and the front axle fork tube frame (3) are fixed by welding.

8. A frame for an electric vehicle according to claim 7, characterized in that: A front reinforcing plate (14) is further provided between the upper support frame (4) and the front axle fork tube frame (3). The front reinforcing plate (14) is also integrally pressed and processed from a plate and is respectively fixed by welding to the upper support frame (4) and the front axle fork tube frame (3).

9. A frame for an electric vehicle according to claim 6, characterized in that: A middle reinforcing plate (15) is provided between the rear ends of the upper support frame (4). Both ends of the middle reinforcing plate (15) are fixed by welding to the upper support frame (4) and are correspondingly located between the two inner beam frame plates (9).

10. A frame for an electric vehicle according to claim 3, characterized in that: An installation and placement cavity (16) is formed between the upper support frame (4) and the lower fixed plate (5), and corresponding placement holes (17) are provided on the upper support frame (4).

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