Novel two-wheeled vehicle frame

Abstract

This utility model relates to the field of two-wheeled vehicle frame technology, specifically to a novel two-wheeled vehicle frame, comprising a front structure and a rear structure. The front structure includes a front head panel and a head tube. The front head panel includes an outer head panel and an inner head panel, with the head tube located on the inner head panel. The outer head panel, inner head panel, and head tube are integrally formed. The rear structure includes a rear tail panel, the front end of which is directly or indirectly connected to the rear end of the front head panel. The novel two-wheeled vehicle frame using the above technical solution serves as both a supporting main frame and an external 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 through die casting or thixochemical molding, integrating the frame and external functions into a single structure.

Description

Technical Field

[0001] This utility model relates to the field of two-wheeled vehicle frame technology, including fuel-powered two-wheeled vehicles, electric two-wheeled vehicles, and lightweight electric two-wheeled vehicles, specifically to a novel two-wheeled vehicle frame. Background Technology

[0002] Traditional two-wheeled vehicle frames typically use welded iron tubing to form the central frame. Designed functional components such as the engine or motor, headlights, instruments, steering column, and rear swingarm are welded to the central frame or assembled using pre-designed connectors. Then, injection-molded resin exterior components, such as side covers and body panels, are used to enclose or partially enclose these components and the central frame. This two-wheeled vehicle frame structure suffers from drawbacks such as a large number of assembly connectors, numerous installation steps, and complex production lines. Furthermore, the iron tubing frame and resin components require separate painting lines, leading to high costs and VOC emissions. In addition, the recyclability of the coating resin is low, posing environmental problems.

[0003] In addition, existing technologies also include solutions that use casting to replace steel tube frames to reduce the number of steel tubes and improve assembly precision. For example, in existing technologies such as Japanese Patent Application Publication Nos. 2000-313391, 2000-313392, and 2000-313393, the front and rear frames are integrally or separately cast from steel, aiming to improve body rigidity and assembly precision. However, in these cases, the frame still uses a central frame structure, and the external components are still formed separately by resin injection molding and installed separately, failing to achieve integration of external components with the structure.

[0004] Furthermore, in these existing technologies, the external components are not designed as load-bearing elements, and from the perspective of load distribution in the frame structure, they fail to fundamentally innovate the traditional structure. In particular, they only focus on the cast frame body and do not adopt the integrated design of external components or the stress dispersion concept of surface structures. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a new type of two-wheeled vehicle frame, which solves the defects of existing two-wheeled vehicle frames that use a central frame frame, such as a large number of parts and processes and a complex production line.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0007] A novel two-wheeled vehicle frame includes a front structure and a rear structure. The front structure includes a front head panel and a head tube. The front head panel includes an outer front panel and an inner front panel. The head tube is located on the inner front panel. The outer front panel, the inner front panel, and the head tube are integrally formed. The rear structure includes a rear tail panel. The front end of the rear tail panel is directly or indirectly connected to the rear end of the front head panel.

[0008] Furthermore, the above technical solution also includes an extended pedal structure, which includes a pedal floor. The front end of the pedal floor is connected to the rear end of the front bulkhead, and the rear end of the pedal floor is connected to the rear bulkhead.

[0009] Furthermore, the front structure also includes a front rear panel, and the front and rear panels are connected to form a front cavity with an opening at the top. The cavity facilitates the installation of functional components such as the steering wheel, cup holders, and front storage box, while also being aesthetically pleasing.

[0010] Furthermore, the rear structure also includes a front rear bulkhead, and the front rear bulkhead and the rear rear bulkhead are connected to form a rear cavity with an opening at the top. A rear storage box can be installed in the rear cavity, and a seat cushion can be installed on the rear storage box, with the seat cushion directly supported by the vehicle frame.

[0011] Further specifying, the rear panel includes an outer rear panel and an inner rear panel, wherein the outer rear panel and the inner rear panel are integrally formed.

[0012] Furthermore, the extended pedal structure also includes a central side panel, which is divided into a central left side panel and a central right side panel. The central left side panel and the central right side panel are integrally formed with the pedal floor; or the central left side panel is connected to the upper surface or lower bottom plate of the pedal floor; and the central right side panel is connected to the upper surface or lower bottom plate of the pedal floor.

[0013] Furthermore, the lower section of the rear inner panel is provided with a horizontal fork pivot part that matches the rear horizontal fork of the two-wheeled vehicle, and the rear horizontal fork of the two-wheeled vehicle is installed at the horizontal fork pivot part by bolts; the middle section of the rear inner panel is provided with a rear shock absorber mounting platform that matches 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 installed on the rear shock absorber mounting platform by bolts.

[0014] The aforementioned outer front panel, inner front panel, head tube, rear panel, and pedal base plate are all made of magnesium alloy or aluminum alloy through die casting or thixoforming; the other rear front panel, middle side panel, and front rear panel can be made of magnesium alloy or aluminum alloy through die casting or thixoforming, or can be made of other materials.

[0015] The novel two-wheeled vehicle frame employing the above-mentioned technical solution serves as both the supporting main frame and an external component. It utilizes low-melting-point, lightweight, and highly recyclable metal materials such as magnesium alloy or aluminum alloy, and is integrally or partially formed through die casting or thixochemical molding, integrating the frame and external functions into a single structural unit. Traditional scooter frames suffer from increased weight, more complex manufacturing processes, and complicated painting and recycling. Furthermore, external components are only used to maintain shape and do not bear load. This invention aims to solve these problems by utilizing external components as structural elements to achieve a lightweight, high-rigidity, and environmentally friendly scooter frame structure. Attached Figure Description

[0016] Figure 1 This is a three-dimensional schematic diagram of the new two-wheeled vehicle frame of this utility model without the front rear panel and without the rear front panel;

[0017] Figure 2 yes Figure 1 A three-dimensional diagram from another angle of the state;

[0018] Figure 3 This is a schematic diagram of the complete vehicle using the new two-wheeled vehicle frame of this utility model;

[0019] Figure 4 yes Figure 3 Rear view.

[0020] Figure 5 yes Figure 3 A three-dimensional image. Detailed Implementation

[0021] The present invention will be further described in detail below with reference to the accompanying drawings.

[0022] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, this utility model relates to the frame structure of a pedal-type two-wheeled vehicle, particularly a frame that utilizes external components as structural parts and is a monocoque frame formed from lightweight metal materials such as magnesium alloy. This novel two-wheeled vehicle frame includes a front structure and a rear structure. The front structure includes a front head panel 11 and a head tube 13. The front head panel 11 includes an outer head panel 111 and an inner head panel 112. The head tube 13 is located on the inner head panel 112. The front panel 111, the inner front panel 112, and the head tube 13 are integrally formed; the rear structure includes a rear rear panel 32, the front end of which is directly connected to the rear end of the front front panel 11; the front structure also includes a rear front panel 12, the front front panel 11 and the rear front panel 12 are connected to form a front cavity with an upper opening; the rear structure also includes a front rear panel 31, the front rear panel 31 and the rear rear panel 32 are connected to form an upper... The rear cavity has an opening at the end; the rear tail panel 32 includes an outer rear panel 321 and an inner rear panel 322, which are integrally formed; the lower section of the inner rear panel 322 is provided with a horizontal fork pivot 3221 that matches the rear horizontal fork 34 of the two-wheeled vehicle, and the rear horizontal fork 34 of the two-wheeled vehicle is bolted to the horizontal fork pivot 3221; the middle section of the inner rear panel 322 is provided with a rear shock absorber 3 of the two-wheeled vehicle. 3. Matching rear shock absorber mounting platform 3222, 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 outer front plate 111, the inner front plate 112, the head tube 13, and the rear plate 32 are all made of magnesium alloy or aluminum alloy by 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 the dimensional change is small when the semi-solid molding solidifies, which can obtain higher product precision.

[0023] The front structure integrates the lower end of the head tube with the inner front panel, forming a box-shaped structure with the inner front panel 112 and the outer front panel 111. This ensures rigidity against front wheel loads and torsion, stably supporting steering loads and road reaction forces. These components are made of magnesium or aluminum alloy through die casting or semi-solid molding, achieving lightweight and high-precision forming. The rear outer panel 321 and rear inner panel 322 are continuously formed into a box-shaped structure. High rigidity is achieved by using a box-shaped structure and reinforcing ribs in the rear shock mount and fork pivot 3221. This reliably supports rear wheel loads and suspension reaction forces.

[0024] By using magnesium or aluminum alloys through die casting or thixoforming, the original central frame is replaced with a basket-type frame, and the open frame is replaced with a relatively closed structure. As needed, die casting or semi-solid molding is used and firmly fastened to complete the closed-section monocoque frame of the overall structure. This fundamentally innovates the traditional frame structure. The frame can not only support the whole, but also serve as an external component. It forms cavities to place functional components inside the frame, which greatly reduces manufacturing processes, lowers costs, reduces painting processes and VOC emissions, improves the recyclability of non-resin-dependent components, and improves fuel economy or driving range through weight reduction.

[0025] In the above specific embodiments, depending on the length requirements and design needs of the vehicle body, the front end of the rear panel 32 can be indirectly connected to the rear end of the front panel 11, thus adding a new extended pedal structure. This extended pedal structure includes a pedal floor 21, the front end of which is connected to the rear end of the front panel 11, and the rear end of which is connected to the rear panel 32. The extended pedal structure also includes a central side panel, which is divided into a central left side panel 221 and a central right side panel 222. The central left side panel 221 and the central right side panel 222 are integrally formed with the pedal floor 21. Alternatively, the central left side panel 221 and the central right side panel 222 can be separately formed with the pedal floor 21 and then fixedly connected.

[0026] This modular design allows for the adaptation of vehicle bodies of varying lengths. The technology of this invention is not only applicable to scooter-type two-wheelers, but also to similar small vehicles, electric motorcycles, and delivery electric vehicles, demonstrating significant practical value in the design of future lightweight and environmentally friendly transportation vehicles.

[0027] In the above technical solution, the head tube 13 is a hollow cylindrical component supporting the steering mechanism, arranged above the front structure, transferring steering load and road impact load to the lower structure; the inner front panel 112 is formed in a concave dome shape to prevent foreign objects splashed up by the front wheels from entering, and its inner side is combined with the lower end of the head tube 13 to ensure space to accommodate the front wheel steering angle; the outer front panel 11, while forming the appearance design, together with the inner front panel 112, forms a box-shaped structure to enhance the overall torsional rigidity and vertical rigidity; the enclosure of the inner front panel 112 and the outer front panel 11 ensures rigidity, and in addition, in the head tube 1 A V-shaped reinforcing beam 113 is added between the middle section of section 3 and the front bulkhead 11 to support the head tube from both sides, further enhancing the strength and rigidity of the head tube 13; the outer front bulkhead 11 is extended rearward to the pedal floor 21 to further improve the connection rigidity with the pedal floor 21; similarly, the rear bulkhead 32 includes an outer rear bulkhead 321 and an inner rear bulkhead 322, which are integrally formed into a box structure to prevent foreign objects splashed up by the rear wheels from entering, 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.

[0028] Furthermore, the frame of this invention employs internal reinforcing ribs and reinforced planes to enhance its strength and rigidity; this is existing technology and will not be described in detail here.

[0029] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. Novel two-wheeled vehicle frame, characterized by: The vehicle includes a front structure and a rear structure. The front structure includes a front bulkhead (11) and a head tube (13). The front bulkhead (11) includes an outer front bulkhead (111) and an inner front bulkhead (112). The head tube (13) is located on the inner front bulkhead (112). The outer front bulkhead (111), the inner front bulkhead (112), and the head tube (13) are integrally formed. The rear structure includes a rear bulkhead (32). The front end of the rear bulkhead (32) is directly or indirectly connected to the rear end of the front bulkhead (11).

2. The new type of two-wheeled vehicle frame according to claim 1, characterized in that: It also includes an extended pedal structure, which includes a pedal floor (21), the front end of which is connected to the rear end of the front bulkhead (11), and the rear end of which is connected to the rear bulkhead (32).

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

4. The novel two-wheeled vehicle frame according to claim 1, characterized in that: The rear structure also includes a front rear panel (31), and the front rear panel (31) and the rear rear panel (32) are connected to form a rear cavity with an opening at the top.

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

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

7. The novel two-wheeled vehicle frame according to claim 5, characterized in that: The lower section of the rear inner panel (322) of the vehicle is provided with a flat fork pivot (3221) that matches the rear flat fork of the two-wheeled vehicle. The rear flat fork of the two-wheeled vehicle is installed at the flat fork pivot (3221) by bolts.

8. The novel two-wheeled vehicle frame according to claim 5, characterized in that: The rear inner panel (322) of the vehicle is provided with a rear shock absorber mounting platform (3222) that matches the rear shock absorber of the two-wheeled vehicle. 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 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); 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 outer front panel (111), inner front panel (112), head tube (13), and rear panel (32) are all made of magnesium alloy or aluminum alloy and formed by die casting or thixochemical molding.

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