Portable electric off-road vehicle frame

Abstract

The utility model belongs to the technical field of frames, and particularly relates to a portable electric off-road vehicle frame. A front supporting frame and a rear supporting frame are arranged above the two ends of the chassis part respectively, a front bottom frame and a rear bottom frame are arranged below the two ends of the chassis part respectively, meanwhile, the front supporting frame is connected with the front bottom frame, the rear supporting frame is connected with the rear bottom frame, and a steering assembly is arranged below the middle of the front bottom frame. A shock absorption assembly is arranged between the front bottom frame and the front supporting frame, a driving assembly is arranged in the middle of one side of the rear bottom frame, and a shock absorption assembly is also arranged between the bottom frame and the rear supporting frame. In addition, the structural strength of the joints of the frame units can be slowly changed, that is, the rigidity of the joints of the frame units can be smoothly transited, and then the overall structural strength of the frame assembly can be enhanced.

Description

Technical Field

[0001] The utility model belongs to the technical field of vehicle frames and relates to a lightweight electric off-road vehicle frame. Background Art

[0002] The vehicle frame, also known as the main beam, is the base of the vehicle and is generally composed of two longitudinal beams and several transverse beams. It is supported on the wheels via the suspension device, front axle, and rear axle. It has sufficient strength and rigidity to withstand the load of the vehicle and the impact from the wheels. The quality of the frame design and structure should first be clearly understood by the various forces that the frame has to withstand when the vehicle is driving. In the prior art, in order to facilitate the production of the frame or achieve the universalization of the frame, the frame is usually divided into multiple sections, and the two adjacent frame sections are fixedly connected by fasteners. However, with the above structure, the structural strength of the connection between the frame sections is low, and the rigidity of the connection between the frame sections is much lower than the rigidity of the frame body, resulting in a low structural strength of the entire frame. Therefore, in order to solve the above problems, a lightweight electric off-road vehicle frame is proposed. Utility Model Content

[0003] The purpose of this utility model is to provide a lightweight electric off-road vehicle frame in order to solve the above problems.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A lightweight electric off-road vehicle frame includes a chassis part, wherein a front support frame and a rear support frame are respectively provided above both sides of the chassis part, and a front base frame and a rear base frame are respectively provided below both sides of the chassis part, an instrument frame is provided above the front support frame, and a steering wheel frame is provided in the middle of the front support frame, a backrest frame is provided above the rear support frame, and a battery tray is provided in the middle below the rear support frame, a steering assembly is provided below the middle of the front base frame, and a shock-absorbing assembly is provided between the steering assembly and the front support frame, and a front guard reinforcement rib is provided at the outer end of the front base frame, a drive assembly is provided in the rear base frame, and a shock-absorbing assembly is provided between the rear base frame and the rear support frame, and the middle of the drive assembly is externally arranged on the motor, a brake frame is provided below one end of the chassis part, and a seat frame is provided above the middle of the chassis part.

[0006] In the above-mentioned lightweight electric off-road vehicle frame, the two ends of the chassis member are fixedly connected to the front support frame and the rear support frame at an angle upward, and the front end of the chassis member is fixedly connected to the front base frame at an angle upward, while the rear end of the chassis member is fixedly connected to the rear base frame at an angle downward. The front base frame is placed inside under the front support frame, and the rear base frame is placed outside under the rear support frame.

[0007] In the above-mentioned lightweight electric off-road vehicle frame, the upper part of the front support frame is fixedly connected to the instrument frame, and the middle part of the front support frame is fixedly connected to the steering wheel frame, and there is a distance between the upper part of the steering wheel frame and the inner side of the instrument frame.

[0008] In the above-mentioned lightweight electric off-road vehicle frame, both sides of the lower part of the front support frame are fixedly connected to the upper part of the shock-absorbing assembly, and the lower part of the shock-absorbing assembly is fixedly connected to the two ends of the steering assembly. The middle part of the steering assembly is fixedly connected to the middle part of the front chassis, and the outer end of the front chassis is fixedly connected to the front barrier reinforcement rib. At the same time, there is a distance between the front barrier reinforcement rib and the middle part of the steering assembly.

[0009] In the above-mentioned lightweight electric off-road vehicle frame, both ends of the steering assembly are inserted into the center of the fixedly connected front wheel frame, and the front wheel frame is placed outside below the shock absorbing assembly, and the bottom of the front wheel frame is lower than the bottom of the chassis.

[0010] In the above-mentioned lightweight electric off-road vehicle frame, the upper part of the rear support frame is fixedly connected to the backrest frame, and reinforcement blocks are provided on both sides of the backrest frame. The lower sides of the rear support frame are fixedly connected to the upper part of the shock absorbing assembly, and the lower part of the shock absorbing assembly is fixedly connected to both ends of the driving assembly.

[0011] In the above-mentioned lightweight electric off-road vehicle frame, a driver is provided in the middle of the driving assembly, and the middle of the driving assembly is fixedly connected to the motor, and the motor is connected to the driver. There is a distance between the driver inside the driving assembly and the shock absorbing assemblies on both sides.

[0012] In the above-mentioned lightweight electric off-road vehicle frame, both ends of the drive assembly are inserted into the middle of the rear wheel frame, and the rear wheel frame is placed outside the shock absorbing assembly, and the rear wheel frame is flush with the bottom of the front wheel frame.

[0013] In the above-mentioned lightweight electric off-road vehicle frame, the middle portion of the chassis member is fixedly connected to the seat frame, and the top of the seat frame is higher than the tops of the front support frame and the rear support frame.

[0014] In the above-mentioned lightweight electric off-road vehicle frame, the middle part of one side of the chassis member is rotatably connected to one end of the brake frame, and the other end of the brake frame is placed in the front support frame.

[0015] Compared with the existing technology, the advantages of this utility model are:

[0016] The utility model is provided with a front support frame and a rear support frame above both ends of the chassis member, and a front bottom frame and a rear bottom frame are respectively provided below both ends of the chassis member, and the front support frame and the front bottom frame are connected to each other, and the rear support frame and the rear bottom frame are connected to each other, a steering assembly is provided below the middle part of the front bottom frame, and front wheel frames are provided at both ends of the steering assembly, and a shock-absorbing assembly is provided between the front bottom frame and the front support frame, a driving assembly is provided in the middle of one side of the rear bottom frame, and rear wheel frames are provided at both ends of the driving assembly, and a shock-absorbing assembly is also provided between the rear bottom frame and the rear support frame. By adopting this frame structure, each unit can be firmly fixed to the chassis member, thereby improving the overall structural strength of the frame assembly, and the structural strength of the connection between each frame unit can be slowly changed, that is, a smooth transition of the stiffness at the connection between each frame unit can be achieved, thereby enhancing the overall structural strength of the frame assembly.

[0017] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall schematic diagram of the utility model;

[0019] Figure 2 It is a schematic side view of the entirety of the present invention;

[0020] Figure 3 It is an overall top view schematic diagram of the utility model;

[0021] Figure 4 It is an overall bottom view schematic diagram of the utility model;

[0022] Figure 5 It is an overall front view schematic diagram of the present utility model.

[0023] In the figure: 1. Chassis; 2. Front support frame; 3. Rear support frame; 4. Instrument frame; 5. Backrest frame; 6. Seat frame; 7. Front bottom frame; 8. Rear bottom frame; 9. Steering assembly; 10. Front wheel frame; 11. Shock absorber assembly; 12. Steering wheel frame; 13. Battery tray; 14. Drive assembly; 15. Motor; 16. Rear wheel frame; 17. Front guard reinforcement rib; 18. Brake frame. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings.

[0025] like Figures 1-5As shown, a lightweight electric off-road vehicle frame includes a chassis part 1, a front support frame 2 and a rear support frame 3 are respectively provided on the upper sides of the chassis part 1, and a front base frame 7 and a rear base frame 8 are respectively provided on the lower sides of the chassis part 1, an instrument frame 4 is provided above the front support frame 2, and a steering wheel frame 12 is provided in the middle of the front support frame 2, a backrest frame 5 is provided above the rear support frame 3, and a battery tray 13 is provided in the middle below the rear support frame 3, a steering assembly 9 is provided below the middle of the front base frame 7, and a shock absorbing assembly 11 is provided between the steering assembly 9 and the front support frame 2, and at the same time, a front barrier reinforcement rib 17 is provided at the outer end of the front base frame 7, a drive assembly 14 is provided in the rear base frame 8, and a shock absorbing assembly 11 is provided between the rear base frame 8 and the rear support frame 3, and at the same time, the middle part of the drive assembly 14 is externally arranged on the motor 15, a brake frame 18 is provided below one end of the chassis part 1, and a seat frame 6 is provided above the middle of the chassis part 1.

[0026] The two ends of the chassis member 1 are fixedly connected obliquely upward to the front support frame 2 and the rear support frame 3 respectively, and the front end of the chassis member 1 is fixedly connected to the front base frame 7 obliquely upward, while the rear end of the chassis member 1 is fixedly connected to the rear base frame 8 obliquely downward. The front base frame 7 is placed inside under the front support frame 2, and the rear base frame 8 is placed outside under the rear support frame 3.

[0027] The front support frame 2, front bottom frame 7 and the rear support frame 3, rear bottom frame 8 provided on both sides of the chassis member 1 form a supporting frame for the entire frame. The combined frame increases the strength of the entire frame and increases the buffering effect.

[0028] Furthermore, the upper portion of the front support frame 2 is fixedly connected to the instrument frame 4 , and the middle portion of the front support frame 2 is fixedly connected to the steering wheel frame 12 , while a gap exists between the upper portion of the steering wheel frame 12 and the inner side of the instrument frame 4 .

[0029] Furthermore, both sides of the lower part of the front support frame 2 are fixedly connected to the upper part of the shock absorbing assembly 11, and the lower part of the shock absorbing assembly 11 is fixedly connected to the two ends of the steering assembly 9, the middle part of the steering assembly 9 is fixedly connected to the middle part of the front base frame 7, and the outer end of the front base frame 7 is fixedly connected to the front barrier reinforcement rib 17, and there is a distance between the front barrier reinforcement rib 17 and the middle part of the steering assembly 9.

[0030] Furthermore, both ends of the steering assembly 9 are inserted into the center of the fixedly connected front wheel frame 10 , and the front wheel frame 10 is placed outside and below the shock absorbing assembly 11 , while the bottom of the front wheel frame 10 is lower than the bottom of the chassis 1 .

[0031] Front wheel frames 10 are provided at both ends of the steering assembly 9 provided below the front chassis 7. The front wheel frames 10 serve as mounting parts for the tires on the frame. The ground reaction force will be fed back upward from the front wheel frames 10 to the front chassis 7 and the front support frame 2. Through the cooperation between the front chassis 7 and the front support frame 2, and at the same time, a shock absorbing assembly 11 is provided between the front chassis 7 and the front support frame 2, the front end of the frame can be well supported and buffered.

[0032] A backrest frame 5 is fixedly connected above the rear support frame 3, and reinforcing blocks are provided on both sides of the backrest frame 5. Both sides of the lower part of the rear support frame 3 are fixedly connected to the upper parts of shock absorption components 11, and the lower parts of the shock absorption components 11 are respectively fixedly connected to both ends of a drive component 14.

[0033] Furthermore, a driver is provided in the middle of the drive component 14, and a motor 15 is fixedly connected to the outside of the middle of the drive component 14. At the same time, the motor 15 is connected to the driver, and there is a distance between the driver in the drive component 14 and the shock absorption components 11 on both sides.

[0034] A shock absorption component 11 is provided between the rear support frame 3 and the rear bottom frame 8, which is the same as the design of the front end of the vehicle frame. The shock absorption component 11 buffers the rear end of the vehicle frame, and at the same time, the cooperation between the rear support frame 3 and the rear bottom frame 8 can provide good support for the rear end of the vehicle frame.

[0035] Furthermore, both ends of the drive component 14 are inserted into the middle of a rear wheel frame 16, and the rear wheel frame 16 is placed outside the shock absorption component 11. At the same time, the rear wheel frame 16 is flush with the bottom of the front wheel frame 10.

[0036] A motor 15 is provided on one side of the drive component 14 to provide power for the drive component 14 by the motor 15, so that the drive component 14 drives the rear wheel frames 16 at both ends to rotate, enabling the entire vehicle frame to move.

[0037] A seat frame 6 is fixedly connected to the middle of a chassis part 1, and the top of the seat frame 6 is higher than the tops of the front support frame 2 and the rear support frame 3.

[0038] The seat frame 6 provided above the chassis part 1 is placed in the middle, so that the pressure of the seat frame 6 on the entire vehicle frame is evenly distributed to both sides of the vehicle frame and is shared by the front bottom frame 7 and the rear bottom frame 8 on both sides of the vehicle frame.

[0039] One end of a brake frame 18 is rotatably connected to the middle of one side of the chassis part 1, and the other end of the brake frame 18 is placed in the front support frame 2.

[0040] Working principle:

[0041] A front support frame 2 and a rear support frame 3 are respectively provided above both ends of the chassis member 1, and a front bottom frame 7 and a rear bottom frame 8 are respectively provided below both ends of the chassis member 1. At the same time, the front support frame 2 and the front bottom frame 7 are connected to each other, and the rear support frame 3 and the rear bottom frame 8 are connected to each other. In this way, the chassis member 1 and the front support frame 2, the front bottom frame 7, the rear support frame 3, and the rear bottom frame 8 form an integral frame. A steering assembly 9 is provided below the middle of the front bottom frame 7, and front wheel frames 10 are provided at both ends of the steering assembly 9. At the same time, a shock absorbing assembly 11 is provided between the front bottom frame 7 and the front support frame 2. Then, after the front wheel frame 10 is installed and the wheel falls to the ground, the force exerted by the ground on the frame will be damped by the shock absorbing assembly. 11 buffering, and at the same time, the front chassis 7 and the front support frame 2 cooperate to support the front end of the frame, a driving assembly 14 is provided in the middle of one side of the rear chassis 8, and rear wheel frames 16 are provided at both ends of the driving assembly 14. At the same time, a shock absorbing assembly 11 is also provided between the rear chassis 8 and the rear support frame 3. After the rear wheel frame 16 is installed and the wheel falls to the ground, the force exerted by the ground on the rear of the frame will be buffered by the shock absorbing assembly 11, and at the same time, the rear chassis 8 and the rear support frame 3 cooperate to support the rear end of the frame. In this way, after the structures at both ends of the chassis 1 cooperate with each other, the strength of the entire frame is increased, and the shock absorbing assembly 11 has a good buffering effect on the entire frame.

[0042] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described, or replace them with similar methods, without departing from the spirit of the present invention.

[0043] Although this document frequently uses terms such as 1. chassis, 2. front support frame, 3. rear support frame, 4. instrument frame, 5. backrest frame, 6. seat frame, 7. front chassis, 8. rear chassis, 9. steering assembly, 10. front wheel frame, 11. shock absorber assembly, 12. steering wheel frame, 13. battery tray, 14. drive assembly, 15. motor, 16. rear wheel frame, 17. front fender reinforcement, and 18. brake frame, it does not exclude the possibility of using other terms. These terms are used only to more conveniently describe and explain the essence of the present invention. Interpreting them as any additional limitation is contrary to the spirit of the present invention.

Claims

1. A lightweight electric off-road vehicle frame, comprising a chassis member (1), characterized in that: A front support frame (2) and a rear support frame (3) are respectively provided above both sides of the chassis member (1), and a front base frame (7) and a rear base frame (8) are respectively provided below both sides of the chassis member (1), an instrument frame (4) is provided above the front support frame (2), and a steering wheel frame (12) is provided in the middle of the front support frame (2), a backrest frame (5) is provided above the rear support frame (3), and a battery tray (13) is provided in the middle below the rear support frame (3), and a steering assembly (9) is provided below the middle of the front base frame (7). ), and a shock absorbing assembly (11) is provided between the steering assembly (9) and the front support frame (2), and a front baffle reinforcement rib (17) is provided at the outer end of the front chassis (7), a driving assembly (14) is provided inside the rear chassis (8), and a shock absorbing assembly (11) is provided between the rear chassis (8) and the rear support frame (3), and a motor (15) is provided outside the middle of the driving assembly (14), a brake frame (18) is provided below one end of the chassis member (1), and a seat frame (6) is provided above the middle of the chassis member (1).

2. The lightweight electric off-road vehicle frame according to claim 1, wherein: The two ends of the chassis member (1) are fixedly connected to the front support frame (2) and the rear support frame (3) at an oblique upward direction, and the front end of the chassis member (1) is fixedly connected to the front bottom frame (7) at an oblique upward direction, while the rear end of the chassis member (1) is fixedly connected to the rear bottom frame (8) at an oblique downward direction. The front bottom frame (7) is placed inside the lower part of the front support frame (2), and the rear bottom frame (8) is placed outside the lower part of the rear support frame (3).

3. The lightweight electric off-road vehicle frame according to claim 2, characterized in that: The upper portion of the front support frame (2) is fixedly connected to the instrument frame (4), and the middle portion of the front support frame (2) is fixedly connected to the steering wheel frame (12), and a distance is provided between the upper portion of the steering wheel frame (12) and the inner side of the instrument frame (4).

4. The lightweight electric off-road vehicle frame according to claim 3, characterized in that: Both sides of the lower portion of the front support frame (2) are fixedly connected to the upper portion of the shock absorbing assembly (11), and the lower portion of the shock absorbing assembly (11) is respectively fixedly connected to the two ends of the steering assembly (9), the middle portion of the steering assembly (9) is fixedly connected to the middle portion of the front chassis (7), and the outer end of the front chassis (7) is fixedly connected to the front barrier reinforcement rib (17), and a distance is provided between the front barrier reinforcement rib (17) and the middle portion of the steering assembly (9).

5. The lightweight electric off-road vehicle frame according to claim 4, characterized in that: Both ends of the steering assembly (9) are inserted into the center of the fixedly connected front wheel frame (10), and the front wheel frame (10) is placed outside below the shock absorbing assembly (11), and the bottom of the front wheel frame (10) is lower than the bottom of the chassis (1).

6. The lightweight electric off-road vehicle frame according to claim 5, characterized in that: The upper portion of the rear support frame (3) is fixedly connected to the backrest frame (5), and reinforcement blocks are provided on both sides of the backrest frame (5). Both sides of the lower portion of the rear support frame (3) are fixedly connected to the upper portion of the shock absorbing assembly (11), and the lower portion of the shock absorbing assembly (11) is fixedly connected to both ends of the driving assembly (14).

7. The lightweight electric off-road vehicle frame according to claim 6, characterized in that: A driver is provided in the middle of the driving assembly (14), and the middle of the driving assembly (14) is fixedly connected to a motor (15) outside, and the motor (15) is connected to the driver. There is a distance between the driver in the driving assembly (14) and the shock absorbing assemblies (11) on both sides.

8. The lightweight electric off-road vehicle frame according to claim 7, characterized in that: Both ends of the driving assembly (14) are inserted into the middle of the rear wheel frame (16), and the rear wheel frame (16) is placed outside the shock absorbing assembly (11), and the rear wheel frame (16) is flush with the bottom of the front wheel frame (10).

9. The lightweight electric off-road vehicle frame according to claim 1, characterized in that: The middle part of the chassis part (1) is fixedly connected to the seat frame (6), and the top of the seat frame (6) is higher than the tops of the front support frame (2) and the rear support frame (3).

10. The lightweight electric off-road vehicle frame according to claim 1, characterized in that: One middle part of the chassis part (1) is rotatably connected to one end of the brake frame (18), and the other end of the brake frame (18) is placed inside the front support frame (2).

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