Novel two-wheeled vehicle frame

Abstract

The invention relates to the technical field of two-wheeled vehicle frames, in particular to a novel two-wheeled vehicle frame which comprises a front structure and a rear structure, the front structure comprises a vehicle head front surrounding plate and a head pipe, the vehicle head front surrounding plate comprises a vehicle head outer surrounding plate and a vehicle head inner surrounding plate, and the head pipe is located on the vehicle head inner surrounding plate. The headstock outer coaming, the headstock inner coaming and the head pipe are integrally formed; the novel two-wheeled vehicle frame adopting the technical scheme is not only a main frame for supporting, but also an external part, is made of low-melting-point, light-weight and high-recoverability metal materials such as magnesium alloy or aluminum alloy and the like, and has the advantages of being simple in structure, convenient to use, low in cost, low in manufacturing cost and the like, and the novel two-wheeled vehicle frame adopting the technical scheme is not only a supporting main frame but also an external part. Through die casting or thixoforming integrated or partial forming, the frame and the exterior function are integrated into a single structure body.

Description

Technical Field

[0001] The present invention relates to the technical field of two-wheeled vehicle frames. Two-wheeled vehicles include fuel two-wheeled vehicles, electric two-wheeled vehicles, and light electric two-wheeled vehicles, and in particular to a novel two-wheeled vehicle frame. Background Art

[0002] Traditional two-wheeled vehicle frames typically utilize welded iron pipes to form a central skeleton frame. Designed functional components such as the engine or motor, headlights, instrument panel, steering column, and rear fork are then welded to the central skeleton frame or assembled and fixed to the central skeleton frame using designed connectors. The functional components and central skeleton frame are then encased or partially encased with injection-molded resin exterior components such as side covers and body panels. This two-wheeled vehicle frame structure suffers from the numerous assembly connectors, numerous installation steps, and complex production lines. Furthermore, the iron pipe frame and resin components require separate coating lines, resulting in high costs and VOC emissions. Furthermore, the coating resin has low recyclability, posing environmental concerns.

[0003] In addition, existing technologies have also proposed replacing iron tube frames with casting to reduce the number of iron tubes and improve assembly precision. For example, in Japanese Patent Applications Nos. 2000-313391, 2000-313392, and 2000-313393, iron front and rear frames are cast in one piece or in separate pieces to improve vehicle body rigidity and assembly precision. However, in these cases, the frame still uses a center skeleton frame, and the exterior components are formed and installed separately through resin injection molding, failing to achieve integration of the exterior components with the structure.

[0004] Furthermore, these existing technologies fail to fundamentally revolutionize conventional structures from the perspective of load distribution within the vehicle frame structure, as exterior components are not designed as load-bearing elements. In particular, they focus solely on the cast frame itself, failing to incorporate integrated exterior component design or the concept of stress distribution within the surface structure. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide a new two-wheeled vehicle frame to solve the defects of the existing two-wheeled vehicle frame using a central skeleton frame, such as the large number of parts, large number of processes and complex production lines.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions: A novel two-wheeled vehicle frame includes a front structure and a rear structure, wherein the front structure includes a front dash panel and a head pipe, the front dash panel includes a front outer panel and a front inner panel, the head pipe is located on the front inner panel, and the front outer panel, the front inner panel and the head pipe are integrally formed; the rear structure includes a rear dash panel, the front end of the rear dash panel is directly or indirectly connected to the rear end of the front dash panel.

[0007] Furthermore, the above technical solution is limited to also include an extended pedal portion structure, the extended pedal portion structure includes a pedal floor, the front end of the pedal floor is connected to the rear end of the front panel of the vehicle, and the rear end of the pedal floor is connected to the rear panel of the vehicle.

[0008] It is further defined that the front structure also includes a front rear panel, and the front front panel and the front rear panel are connected to form a front cavity with an open upper end, and the cavity is convenient for installing functional parts such as steering handles, cup holders, and front storage boxes, and is also beautiful.

[0009] It is further defined that the rear structure also includes a front rear panel, and the front rear panel and the rear rear panel are connected to form a rear cavity with an open upper end. A rear storage box can be arranged in the rear cavity, and a seat cushion can be arranged on the rear storage box, and the seat cushion is directly supported by the vehicle frame.

[0010] It is further defined that the rear panel includes an outer rear panel and an inner rear panel, and the outer rear panel and the inner rear panel are integrally formed.

[0011] It is further defined that the extended pedal structure also includes a middle side panel, the middle side panel is divided into a middle left panel and a middle right panel, the middle left panel and the middle right panel are integrally formed with the pedal floor; or the middle left panel is connected to the upper plane or lower bottom plate of the pedal floor; the middle right panel is connected to the upper plane or lower bottom plate of the pedal floor.

[0012] It is further defined that the lower section of the rear inner panel is provided with a fork pivot portion matching the rear fork of the two-wheeled vehicle, and the rear fork of the two-wheeled vehicle is mounted at the fork pivot portion by bolts; the middle section of the rear inner panel is provided with a rear shock absorber mounting platform matching the rear shock absorber of the two-wheeled vehicle, and the upper end of the rear shock absorber of the two-wheeled vehicle is fixedly mounted on the rear shock absorber mounting platform by bolts.

[0013] The above-mentioned front outer panel, front inner panel, head pipe, rear rear panel, and pedal base are all made of magnesium alloy or aluminum alloy through die-casting or thixoforming; other front rear panels, middle side panels and rear front panel can be made of magnesium alloy or aluminum alloy through die-casting or thixoforming, or can be made of other materials.

[0014] The new two-wheeled vehicle frame using the above-mentioned technical solution serves as both a supporting main frame and an exterior component. It is made of low-melting-point, lightweight, and highly recyclable metal materials such as magnesium alloy or aluminum alloy, and is integrally or partially formed by die-casting or thixoforming, integrating the frame and exterior functions into a single structure. Conventional scooter frames have problems such as increased weight, increased number of processes, and complex painting and recycling. Furthermore, exterior components are only used to maintain their shape and do not bear any load. The present invention aims to address these issues by utilizing exterior components as structural bodies to achieve a lightweight, highly rigid, and environmentally friendly scooter frame structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the novel two-wheeled vehicle frame of the present invention when the front rear panel and the rear front panel are not installed; Figure 2 yes Figure 1 A three-dimensional diagram from another angle when in the state; Figure 3 This is a schematic diagram of a complete vehicle using the novel two-wheeled vehicle frame of the present invention; Figure 4 yes Figure 3 rear view.

[0016] Figure 5 yes Figure 3 Stereoscopic image. DETAILED DESCRIPTION

[0017] The present invention will be further described in detail below with reference to the accompanying drawings.

[0018] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown, the present invention relates to a frame structure of a scooter-type two-wheeled vehicle, in particular, a frame that uses exterior components as structural components and is a monocoque frame formed of a lightweight metal material such as a magnesium alloy. This novel two-wheeled vehicle frame includes a front structure and a rear structure. The front structure includes a front dash panel 11 and a head pipe 13. The front dash panel 11 includes a front outer panel 111 and a front inner panel 112. The head pipe 13 is located on the front inner panel 112. The front outer panel 111, the front inner panel 112 and the head pipe 13 are integrally formed; the rear structure includes a rear panel 32, the front end of which is directly connected to the rear end of the front panel 11; the front structure also includes a rear panel 12, the front panel 11 and the rear panel 12 are connected to form a front cavity with an upper end opening; the rear structure also includes a rear panel 31, the rear panel 31 and the rear panel 32 are connected to form an upper end opening. The rear cavity of the opening; the rear panel 32 includes a rear outer panel 321 and a rear inner panel 322, and the rear outer panel 321 and the rear inner panel 322 are integrally formed; the lower section of the rear inner panel 322 is provided with a flat fork pivot portion 3221 that matches the rear flat fork 34 of the two-wheeled vehicle, and the rear flat fork 34 of the two-wheeled vehicle is mounted at the flat fork pivot portion 3221 by bolts; the middle section of the rear inner panel 322 is provided with a rear shock absorber 321 that matches the rear fork 34 of the two-wheeled vehicle 3 , the upper end of the rear shock absorber 33 of the two-wheeled vehicle is fixedly mounted on the rear shock absorber mounting platform 3222 by bolts; the front outer panel 111, the front inner panel 112, the head pipe 13, and the rear rear panel 32 are all made of magnesium alloy or aluminum alloy through die casting or thixoforming, especially magnesium AM60 alloy, which has advantages as a structural body due to its low specific gravity and high specific strength; and semi-solid forming has little dimensional change during solidification, which can achieve higher product precision.

[0019] The front structure integrates the lower end of the head tube with the front inner panel, creating a box-like structure with the front inner panel 112 and the front outer panel 111. This ensures rigidity against front wheel loads and torsional torsions, providing stable support for steering loads and road reaction forces. These components are constructed of magnesium or aluminum alloys through die-casting or semi-solid molding, achieving lightweight and high-precision molding. The rear outer panel 321 and the rear inner panel 322 are connected to form a box-like structure. High rigidity is achieved through the use of a box-like structure and reinforcing ribs in the rear shock mounting platform and fork pivot 3221. This ensures reliable support for rear wheel loads and suspension reaction forces.

[0020] By using magnesium alloy or aluminum alloy through die casting or thixoforming, the original central skeleton frame is changed into a basket frame, and the open frame is changed into a relatively closed structure. Die casting or semi-solid forming is adopted as needed and firmly fastened to complete the closed-section monocoque frame of the overall structure, thereby fundamentally innovating the traditional frame structure. The frame can not only support the whole, but also serve as an exterior component, forming a cavity to place functional parts inside the frame, greatly reducing the manufacturing process, reducing costs, reducing the painting process and VOC emissions, improving the recyclability of independent resin parts, and improving fuel economy or cruising range by lightweighting.

[0021] In the above-mentioned specific embodiment, the front end of the rear end panel 32 can be indirectly connected to the rear end of the front end panel 11 according to the length requirements and design needs of the vehicle body, that is, a new extended pedal structure is added, and the extended pedal structure includes a pedal floor 21, the front end of which is connected to the rear end of the front end panel 11, and the rear end of which is connected to the rear end panel 32; the extended pedal structure also includes a middle side panel, which is divided into a middle left panel 221 and a middle right panel 222. The middle left panel 221 and the middle right panel 222 are integrally formed with the pedal floor 21. Of course, the middle left panel 221 and the middle right panel 222 can be separately formed from the pedal floor 21 and then fixedly connected.

[0022] This modular approach can accommodate vehicle bodies of varying lengths. The technology of this invention is not only applicable to scooter-type two-wheeled vehicles, but can also be applied to similar small vehicles, electric motorcycles, and electric delivery vehicles, and is of great practical value in the design of future lightweight and environmentally friendly vehicles. In the above technical solution, the head pipe 13 is a hollow cylindrical component that supports the steering mechanism and is arranged above the front structure to transfer the steering load and the road impact load to the lower structure; the front inner panel 112 is formed in a concave dome shape to prevent the invasion of foreign matter splashed by the front wheel, and the inner side is combined with the lower end of the head pipe 13 to ensure space to adapt to the steering angle of the front wheel; the front outer panel 11 forms a box-type structure together with the front inner panel 112 while forming the appearance design, thereby enhancing the overall torsional rigidity and the vertical rigidity; the encirclement of the front inner panel 112 and the front outer panel 11 ensures rigidity. In addition, the head pipe 1 A V-shaped reinforcement beam 113 is added between the middle section of 3 and the front panel 11 to support the head pipe from both sides, further enhancing the strength of the head pipe 13 and improving the rigidity; the front outer panel 11 is extended rearward to the pedal floor 21 to further improve the connection rigidity with the pedal floor 21; for the same reason, the rear rear panel 32 includes a rear outer panel 321 and a rear inner panel 322, which are integrally formed to form a box structure to prevent the intrusion of foreign matter splashed by the rear wheels, and are formed in a concave dome shape to ensure that they can accommodate the installation space of the rear wheels and the rear shock absorber 33.

[0023] In addition, the frame of the present invention uses internal reinforcement ribs and reinforcement planes to enhance strength and rigidity. This is a prior art and will not be described here. This specific embodiment is merely an explanation of the present invention and is not intended to limit the present invention. After reading this specification, those skilled in the art may make non-creative modifications to this embodiment as needed. However, as long as such modifications are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A new two-wheeled vehicle frame, characterized by: The invention comprises a front structure and a rear structure, wherein the front structure comprises a front panel (11) and a head pipe (13), the front panel (11) comprises a front outer panel (111) and a front inner panel (112), the head pipe (13) is located on the front inner panel (112), and the front outer panel (111), the front inner panel (112) and the head pipe (13) are integrally formed; and the rear structure comprises a rear panel (32), the front end of the rear panel (32) being directly or indirectly connected to the rear end of the front panel (11).

2. The novel two-wheeled vehicle frame according to claim 1, characterized in that: The vehicle further comprises an extended pedal structure, wherein the extended pedal structure comprises a pedal floor (21), a front end of the pedal floor (21) being connected to a rear end of the vehicle front panel (11), and a rear end of the pedal floor (21) being connected to a rear end of the vehicle rear panel (32).

3. The novel two-wheeled vehicle frame according to claim 1, characterized in that: The front structure further comprises a front rear panel (12), and the front rear panel (11) and the front rear panel (12) are connected to form a front cavity with an upper end opening.

4. The novel two-wheeled vehicle frame according to claim 1, characterized in that: The rear structure further comprises a front rear panel (31), wherein the front rear panel (31) and the rear rear panel (32) are connected to form a rear cavity with an open upper end.

5. The novel two-wheeled vehicle frame according to claim 1, characterized in that: The rear panel (32) comprises a rear outer panel (321) and a rear inner panel (322), wherein the rear outer panel (321) and the rear inner panel (322) are integrally formed.

6. The novel two-wheeled vehicle frame according to claim 2, characterized in that: The extended pedal structure further comprises a middle side panel, which is divided into a middle left side panel (221) and a middle right side panel (222). The middle left side panel (221) and the middle right side panel (222) are integrally formed with or fixedly connected to the pedal floor (21).

7. The novel two-wheeled vehicle frame according to claim 5, characterized in that: A fork pivot portion (3221) matching the rear fork of the two-wheeled vehicle is provided at the lower section of the rear inner panel (322), and the rear fork of the two-wheeled vehicle is mounted on the fork pivot portion (3221) via bolts.

8. The novel two-wheeled vehicle frame according to claim 5, characterized in that: A rear shock absorber mounting platform (3222) matching the rear shock absorber of the two-wheeled vehicle is provided in the middle section of the rear inner panel (322), and the upper end of the rear shock absorber of the two-wheeled vehicle is fixedly mounted on the rear shock absorber mounting platform (3222) by means of bolts.

9. The novel two-wheeled vehicle frame according to claim 6, characterized in that: The middle left side plate (221) is connected to the upper plane or lower bottom plate of the pedal floor (21); and the middle right side plate (222) is connected to the upper plane or lower bottom plate of the pedal floor (21).

10. The novel two-wheeled vehicle frame according to claim 3, characterized in that: The front outer panel (111), the front inner panel (112), the head pipe (13), and the rear rear panel (32) are all made of magnesium alloy or aluminum alloy through die casting or thixoforming.

Images