Frame and two-wheeled vehicle

By designing a frame structure including main pipe, head pipe, tail pipe and side pipe, the balance problem of the frame between appearance and load load is solved, and the strength, stability and aesthetics are improved, and parts and costs are reduced.

CN223266945UActive Publication Date: 2025-08-26BEIJING DIDI INFINITY TECH & DEV CO LTD
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Patent Information

Application Number
CN202422451117.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-10
Publication Date
2025-08-26
Estimated Expiration
2034-10-10

AI Technical Summary

Technical Problem

The frames of existing two-wheelers are difficult to balance between appearance display and load-bearing, and additional plastic trim is often required to improve the appearance, but this adds complexity and cost.

Method used

Design a frame structure, including main pipes, head pipes, tail pipes and contralateral side pipes, through the connection and layout of these fittings, ensuring the strength and stability of the frame, while the exposed parts can be used as a styling appearance, eliminating additional plastic trim.

Benefits of technology

The overall strength and stability of the frame are achieved, while simplifying the structure, reducing the number of parts, reducing weight and cost, and improving aesthetics.

✦ Generated by Eureka AI based on patent content.

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Abstract

The embodiment of the utility model provides a frame and a two-wheeled vehicle, and the frame comprises a main pipe which comprises a head end and a tail end; the head pipe is arranged at the head end; the tail pipe is arranged at the tail end; and a pair of side tubes each including a first end and a second end, the first ends of the pair of side tubes each being disposed on opposite sides of the main tube adjacent to the head tube, and the second ends of the pair of side tubes each being connected to the tail tube.
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Description

Technical Field

[0001] Embodiments of the present disclosure generally relate to the technical field of two-wheeled vehicles, and more particularly, to a two-wheeled vehicle frame and a two-wheeled vehicle including the frame. Background Art

[0002] A typical two-wheeled vehicle consists of a frame and plastic trim, the frame of which is usually covered in plastic trim. The plastic trim serves as a visual aid. The frame serves as the vehicle's skeleton, not just a decorative element. It can be used to mount other components and bear the loads generated during use, ensuring the vehicle's proper function. Utility Model Content

[0003] In a first aspect of the present disclosure, a vehicle frame is provided, comprising: a main pipe including a head end and a tail end; a head pipe disposed on the head end; a tail pipe disposed on the tail end; and a pair of side pipes, each of the pair of side pipes including a first end and a second end, the first ends of the pair of side pipes being respectively disposed on opposite sides of the main pipe adjacent to the head pipe, and the second ends of the pair of side pipes being respectively connected to the tail pipe.

[0004] The vehicle frame according to the embodiment of the present disclosure includes a main pipe, a head pipe, a tail pipe, and a pair of side pipes. The head pipe and tail pipe are respectively mounted on the main pipe, while the paired side pipes are mounted on the main pipe and connected to the tail pipe, thereby ensuring the overall strength and stability of the vehicle frame. Furthermore, the exposed portions of the main pipe, head pipe, tail pipe, and paired side pipes can be used for styling purposes, eliminating the need for additional plastic decorative parts on the frame.

[0005] In some embodiments, the main pipe includes a first portion, a second portion, and a third portion, the second portion is arranged between the first portion and the third portion, the first portion includes the head end, the third portion includes the tail end, and the first ends of the paired side pipes are respectively arranged on opposite sides of the first portion.

[0006] In some embodiments, the first portion includes a first threading hole disposed adjacent to the head pipe, the second portion includes a second threading hole, and the third portion includes a third threading hole disposed adjacent to the tail pipe.

[0007] In some embodiments, the tail pipe includes a connecting portion and a pair of extensions, the connecting portion is connected to the third portion, the pair of extensions are respectively connected to opposite ends of the connecting portion, and the second ends of the pair of side pipes are respectively connected to corresponding extensions.

[0008] In some embodiments, the frame further comprises a pair of rear shock-absorbing mounting structures, each of the pair of rear shock-absorbing mounting structures being disposed on a side of the corresponding extension facing away from the head tube.

[0009] In some embodiments, the frame further includes a mounting seat, a paired battery compartment mounting structure, and a rear fork mounting structure, the mounting seat being arranged on the connecting portion, and the paired battery compartment mounting structure and the rear fork mounting structure being respectively arranged on the mounting seat.

[0010] In some embodiments, the mounting seat includes a pair of first mounting members, a pair of second mounting members, and a third mounting member covering the pair of first mounting members and the pair of second mounting members, the paired battery compartment mounting structure is arranged on the side of the third mounting member facing away from the pair of first mounting members, the pair of second mounting members each include a mounting hole, and the rear fork mounting structure cooperates with the mounting holes of the pair of second mounting members.

[0011] In some embodiments, the frame further includes a bottom bracket crank mounting structure, which is disposed on the third portion and further away from the tail pipe than the third threading hole.

[0012] In some embodiments, the pair of first mounting members each include a first curved surface and a second curved surface, and the pair of second mounting members each include a third curved surface. The first curved surface of the pair of first mounting members is adapted to the outer surface of the bottom bracket crank mounting structure, and the second curved surface of the pair of first mounting members and the third curved surface of the pair of second mounting members are respectively adapted to the outer surface of the connecting portion.

[0013] In some embodiments, the frame also includes a first auxiliary part and a paired protective part, wherein both ends of the first auxiliary part are respectively connected to an end of the corresponding extension part facing away from the connecting part, and the paired protective parts are each arranged on a side of the corresponding extension part adjacent to the head pipe, and the paired battery compartment mounting structure, the tail pipe, the first auxiliary part, the paired protective parts and the portion of the paired side pipe adjacent to the tail pipe together constitute a accommodating chamber for accommodating the battery compartment.

[0014] In some embodiments, the frame further comprises a pair of pedal mounting structures, each end portion of the pair of pedal mounting structures being connected to the corresponding side tube, and each middle portion of the pair of pedal mounting structures being connected to the second portion.

[0015] In a second aspect of the present disclosure, a two-wheeled vehicle is provided. The two-wheeled vehicle comprises: any one frame according to the first aspect of the present disclosure.

[0016] It should be understood that the content described in this section is not intended to limit the key features or important features of the embodiments of the present disclosure, nor is it intended to limit the scope of the present disclosure. Other features of the present disclosure will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and other features, advantages and aspects of the embodiments of the present disclosure will become more apparent with reference to the following detailed description in conjunction with the accompanying drawings. In the accompanying drawings, the same or similar reference numerals represent the same or similar elements, wherein:

[0018] Figure 1 shows a schematic structural diagram of a vehicle frame according to some embodiments of the present disclosure;

[0019] Figure 2 Shown Figure 1 The frame shown is a schematic structural diagram from another perspective;

[0020] Figure 3 shows a partial structural schematic diagram of a vehicle frame according to some embodiments of the present disclosure;

[0021] Figure 4 Shown are schematic structural diagrams of a main pipe, a tail pipe, a mounting seat, a battery compartment mounting structure, and a rear fork mounting structure according to some embodiments of the present disclosure;

[0022] Figure 5 Shown are structural schematic diagrams of a mounting base, a battery compartment mounting structure, and a rear fork mounting structure according to some embodiments of the present disclosure;

[0023] Figure 6 Shown Figure 5 Exploded view of the mounting base, battery compartment mounting structure, and rear fork mounting structure shown.

[0024] Description of reference numerals:

[0025] 100 is a frame, 101 is a receiving chamber;

[0026] 1 is the main pipe, 11 is the first part, 111 is the head end, 112 is the first threading hole, 12 is the second part, 121 is the second threading hole, 13 is the third part, 131 is the tail end, and 132 is the third threading hole;

[0027] 2 is the head pipe, 21 is the connecting hole;

[0028] 3 is the tail pipe, 31 is the connecting part, and 32 is the extension part;

[0029] 4 is a side pipe, 41 is a first end portion, and 42 is a second end portion;

[0030] 5 is a mounting seat, 51 is a first mounting member, 511 is a first arcuate surface, 512 is a second arcuate surface, 52 is a second mounting member, 521 is a mounting hole, 522 is a third arcuate surface, and 53 is a third mounting member;

[0031] 61 is the rear shock absorber mounting structure, 62 is the battery compartment mounting structure, 63 is the rear fork mounting structure, 64 is the bottom bracket crank mounting structure, 65 is the pedal mounting structure, and 66 is the support foot mounting structure;

[0032] 71 is the first auxiliary member, 72 is the second auxiliary member, 73 is the protective member, 731 is the first protective tube, 732 is the second protective tube, and 733 is the third protective tube. DETAILED DESCRIPTION

[0033] The preferred embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although preferred embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided to make the present disclosure more thorough and complete, and to fully convey the scope of the present disclosure to those skilled in the art.

[0034] As used herein, the term "including" and its variations represent open inclusion, i.e., "including but not limited to." Unless otherwise stated, the term "or" means "and / or." The term "based on" means "based at least in part on." The terms "one example embodiment" and "an embodiment" mean "at least one example embodiment." The term "another embodiment" means "at least one additional embodiment." The terms "first," "second," etc. may refer to different or identical objects.

[0035] Hereinafter, the principles of the present disclosure will be described using a two-wheeled vehicle as an example of an application environment of the vehicle frame 100. However, it should be understood that this application environment is merely exemplary, and the vehicle frame 100 according to the embodiments of the present disclosure can also be applied to various vehicles.

[0036] Figure 1 A schematic structural diagram of a vehicle frame 100 according to some embodiments of the present disclosure is shown. Figure 2 Shown Figure 1 The frame 100 is shown as a schematic structural diagram from another perspective. Figure 3 FIG. 1 shows a partial structural diagram of a vehicle frame 100 according to some embodiments of the present disclosure. Figures 1 to 3 As shown, the frame 100 described herein generally includes a main pipe 1, a head pipe 2, a tail pipe 3, a pair of side pipes 4, a mounting seat 5, a rear shock absorber mounting structure 61, a battery compartment mounting structure 62, a rear fork mounting structure 63, a bottom bracket crank mounting structure 64, a pedal mounting structure 65, a support leg mounting structure 66, a first auxiliary component 71, a second auxiliary component 72 and a protective component 73.

[0037] refer to Figures 1 to 3In some embodiments, the main pipe 1 includes a head end 111 and a tail end 131. The head pipe 2 is disposed on the head end 111. The tail pipe 3 is disposed on the tail end 131. The paired side pipes 4 each include a first end 41 and a second end 42. The first ends 41 of the paired side pipes 4 are each disposed adjacent to the head pipe 2 on opposite sides of the main pipe 1, and the second ends 42 of the paired side pipes 4 are each connected to the tail pipe 3.

[0038] According to an embodiment of the present disclosure, the frame 100 includes a main pipe 1, a head pipe 2, a tail pipe 3, and a pair of side pipes 4. On one hand, the head pipe 2 and the tail pipe 3 are respectively disposed on the main pipe 1, and the paired side pipes 4 are disposed on the main pipe 1 and connected to the tail pipe 3, thereby ensuring the overall strength and stability of the frame 100. Furthermore, the main pipe 1 and the paired side pipes 4 support each other and extend throughout the entire frame 100, thereby preventing damage to the frame 100 in the event of an impact. On the other hand, the exposed portions of the main pipe 1, the head pipe 2, the tail pipe 3, and the paired side pipes 4 can be used for styling purposes, eliminating the need for additional plastic decorative parts to be installed on the frame 100.

[0039] In some embodiments, the main pipe 1, side pipes 4, tail pipe 3, and head pipe 2 are connected using sheet metal processing. The main pipe 1 can have a diameter of 40-50 mm and a thickness of 2-3 mm. The side pipes 4 can have a diameter of 20-30 mm and a thickness of 2-3 mm. The tail pipe 3 can have a diameter of 20-30 mm and a thickness of 2-3 mm. The head pipe 2 can have a diameter of 40-50 mm and a thickness of 3-4 mm.

[0040] It should be noted that the numbers, values, and quantities mentioned above and elsewhere in this disclosure are exemplary and are not intended to limit the scope of this disclosure in any way. Any other suitable numbers, values, and quantities are possible. For example, depending on the specific application scenario and requirements, the main pipe 1 may include a larger or smaller diameter and thickness.

[0041] refer to Figure 3 In some embodiments, a connecting hole 21 may be provided on the head tube 2. A front fork (not shown) may be disposed in the connecting hole 21 and may rotate in the connecting hole 21.

[0042] refer to Figure 1 and Figure 3In some embodiments, the main pipe 1 may include a first portion 11, a second portion 12, and a third portion 13. The second portion 12 may be disposed between the first portion 11 and the third portion 13. The head end 111 of the first portion 11 may be connected to the head pipe 2, and the tail end 131 of the third portion 13 may be connected to the tail pipe 3. The first end portions 41 of the paired side pipes 4 may each be disposed on an opposite side of the first portion 11. A bottom bracket crank mounting structure 64 is disposed on the third portion 13, and the bottom bracket crank mounting structure 64 is used to mount a bottom bracket crank (not shown in the figure).

[0043] refer to Figures 1 to 3 Furthermore, each end of the paired pedal mounting structures 65 is connected to the corresponding side tube 4, and the middle portion of each paired pedal mounting structure 65 is connected to the second portion 12. A footrest (not shown) can be provided on the paired pedal mounting structures 65, and the footrest can be coupled to the outer surface of the first portion 11 and the outer surface of the third portion 13. This improves the stability of the footrest and the strength of the frame 100.

[0044] refer to Figures 2 to 3 Furthermore, a support foot mounting structure 66 is provided on the second portion 12 for mounting a support foot (not shown in the figure).

[0045] refer to Figures 2 to 3 Furthermore, the first portion 11 may include a first threading hole 112 located adjacent to the head tube 2, the second portion 12 may include a second threading hole 121, and the third portion 13 may include a third threading hole 132 located adjacent to the tail tube 3. The bottom bracket crank mounting structure 64 is further away from the tail tube 3 than the third threading hole 132. Thus, the threading holes can be used for routing the entire vehicle's wiring harness. The wiring harness can be threaded through the threading holes into the tubes, cleverly concealing the exposed portion of the frame 100, protecting the wiring harness and enhancing the vehicle's aesthetics.

[0046] refer to Figure 1 and Figure 3 In some embodiments, the tail pipe 3 may include a connecting portion 31 and a pair of extensions 32. The connecting portion 31 may be connected to the third portion 13, the pair of extensions 32 may each be connected to an opposite end of the connecting portion 31, and the second end portions 42 of the pair of side pipes 4 may each be connected to a corresponding extension 32. The pair of rear shock absorber mounting structures 61 may each be disposed on a side of the corresponding extension 32 facing away from the head pipe 2. The rear shock absorber mounting structures 61 are used to mount a rear shock absorber structure (not shown).

[0047] Figure 4 Schematic diagram of the structure of the main pipe 1, tail pipe 3, mounting seat 5, battery compartment mounting structure 62 and rear fork mounting structure 63 according to some embodiments of the present disclosure is shown. Figures 3 and 4As shown, in some embodiments, the mounting base 5 is used to mount a pair of battery compartment mounting structures 62 and a rear fork mounting structure 63, wherein the battery compartment mounting structure 62 is used to mount a battery compartment (not shown in the figure), and the rear fork mounting structure 63 is used to mount a rear fork (not shown in the figure). The mounting base 5 can be set on the connecting portion 31, and the portion of the main tube 1 connected to the connecting portion 31 can be located within the mounting base 5.

[0048] Figure 5 A schematic structural diagram of the mounting base 5, the battery compartment mounting structure 62, and the rear fork mounting structure 63 according to some embodiments of the present disclosure is shown. Figure 6 Shown Figure 5 The exploded view of the mounting base, battery compartment mounting structure and rear fork mounting structure is shown. Figures 3 to 6 As shown, the mounting base 5 may include a pair of first mounting members 51, a pair of second mounting members 52, and a third mounting member 53. The pair of first mounting members 51 are spaced apart from each other, the pair of second mounting members 52 are spaced apart from each other, and the third mounting member 53 can cover the pair of first mounting members 51 and the pair of second mounting members 52. The pair of first mounting members 51 and the pair of second mounting members 52 respectively cooperate with the connecting portion 31. Each pair of first mounting members 51 can be connected to a corresponding second mounting member 52. The portion of the main pipe 1 connected to the connecting portion 31 can be located between the pair of first mounting members 51.

[0049] refer to Figures 5 and 6 Furthermore, the paired battery compartment mounting structure 62 can be disposed on a side of the third mounting member 53 facing away from the paired first mounting member 51 to facilitate installation of the battery compartment mounting structure 62. The paired second mounting members 52 can each include a mounting hole 521, and the rear fork mounting structure 63 can cooperate with the mounting holes 521 of the paired second mounting members 52 to facilitate installation of the rear fork mounting structure 63.

[0050] Continue to refer Figures 5 and 6 In some embodiments, the pair of first mounting members 51 can each include a first curved surface 511 and a second curved surface 512. The pair of second mounting members 52 can each include a third curved surface 522. The first curved surface 511 of the pair of first mounting members 51 can be adapted to the outer surface of the bottom bracket crank mounting structure 64. The second curved surface 512 of the pair of first mounting members 51 and the third curved surface 522 of the pair of second mounting members 52 can each be adapted to the outer surface of the connecting portion 31.

[0051] Obviously, since the first curved surfaces 511 of the paired first mounting members 51 can be connected to the outer surface of the bottom bracket crank mounting structure 64, the main pipe 1, the tail pipe 3, the side pipe 4 and the bottom bracket crank mounting structure 64 can support each other and form a strength closed loop, thereby improving the strength of the frame 100.

[0052] Return Reference Figures 1 to 3 In some embodiments, both ends of the first auxiliary member 71 can be connected to the end of the corresponding extension 32 facing away from the connection portion 31, allowing the first auxiliary member 71 to function as a rear handlebar. A pair of second auxiliary members 72 can each be positioned between the first portion 11 of the main tube 1 and the corresponding side tube 4. These paired second auxiliary members 72 can serve as footrests to enhance riding comfort. This allows the frame 100 to integrate a rear handlebar design and pedals, reducing the number of components, thereby lowering weight and reducing costs.

[0053] Return Reference Figures 1 to 3 Furthermore, a pair of protective members 73 are each disposed on a side of the corresponding extension 32 adjacent to the head pipe 2 . These protective members 73 protect the battery compartment. The paired battery compartment mounting structure 62 , the tail pipe 3 , the first auxiliary member 71 , the paired protective members 73 , and the portion of the paired side pipe 4 adjacent to the tail pipe 3 collectively form a housing chamber 101 for accommodating the battery compartment. This arrangement allows the battery compartment to be installed directly into the housing chamber 101 without requiring a battery holder.

[0054] For example, each pair of protective members 73 may include a first protective tube 731, a second protective tube 732, and a third protective tube 733. The first protective tube 731 is bent, with one end connected to the end of the corresponding extension portion 32 facing away from the connection portion 31 and to the end of the first auxiliary member 71. The other end of the first protective tube 731 is connected to the corresponding side tube 4. The second and third protective tubes 732 and 733 are each disposed between the first protective tube 731 and the corresponding extension portion 32.

[0055] An embodiment of the present disclosure further provides a two-wheeled vehicle, which includes any one of the frames 100 described above.

[0056] While various embodiments of the present disclosure have been described above, the above descriptions are illustrative, non-exhaustive, and not intended to be limiting of the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is selected to best explain the principles of the embodiments, their practical applications, or technological improvements in the marketplace, or to enable other persons skilled in the art to understand the embodiments disclosed herein.

Claims

1. A vehicle frame (100), characterized in that: The vehicle frame (100) comprises: A main pipe (1), comprising a head end (111) and a tail end (131); A head pipe (2) is arranged on the head end (111); a tail pipe (3) disposed on the tail end (131); and Paired side pipes (4), each of the paired side pipes (4) includes a first end portion (41) and a second end portion (42), the first end portions (41) of the paired side pipes (4) are each arranged adjacent to the head pipe (2) on the opposite side of the main pipe (1), and the second end portions (42) of the paired side pipes (4) are each connected to the tail pipe (3).

2. The vehicle frame (100) according to claim 1, characterized in that The main pipe (1) includes a first portion (11), a second portion (12), and a third portion (13), wherein the second portion (12) is arranged between the first portion (11) and the third portion (13), the first portion (11) includes the head end (111), the third portion (13) includes the tail end (131), and the first end portions (41) of the paired side pipes (4) are respectively arranged on opposite sides of the first portion (11).

3. The vehicle frame (100) according to claim 2, characterized in that The first portion (11) includes a first threading hole (112) disposed adjacent to the head pipe (2), the second portion (12) includes a second threading hole (121), and the third portion (13) includes a third threading hole (132) disposed adjacent to the tail pipe (3).

4. The vehicle frame (100) according to claim 3, characterized in that The tail pipe (3) includes a connecting portion (31) and a pair of extending portions (32), wherein the connecting portion (31) is connected to the third portion (13), the pair of extending portions (32) are each connected to opposite ends of the connecting portion (31), and the second end portions (42) of the pair of side pipes (4) are each connected to a corresponding extending portion (32).

5. The vehicle frame (100) according to claim 4, characterized in that The vehicle frame (100) further comprises a pair of rear shock-absorbing mounting structures (61), each of the pair of rear shock-absorbing mounting structures (61) being arranged on a side of the corresponding extension portion (32) facing away from the head pipe (2).

6. The vehicle frame (100) according to claim 4, characterized in that The frame (100) further comprises a mounting seat (5), a pair of battery compartment mounting structures (62), and a rear fork mounting structure (63); the mounting seat (5) is arranged on the connecting portion (31), and the pair of battery compartment mounting structures (62) and the rear fork mounting structure (63) are respectively arranged on the mounting seat (5).

7. The vehicle frame (100) according to claim 6, characterized in that The mounting seat (5) includes a pair of first mounting members (51), a pair of second mounting members (52), and a third mounting member (53) covering the pair of first mounting members (51) and the pair of second mounting members (52); the pair of battery compartment mounting structures (62) are arranged on a side of the third mounting member (53) away from the pair of first mounting members (51); the pair of second mounting members (52) each include a mounting hole (521), and the rear fork mounting structure (63) cooperates with the mounting holes (521) of the pair of second mounting members (52).

8. The vehicle frame (100) according to claim 7, characterized in that The frame (100) further comprises a bottom bracket crank mounting structure (64), which is arranged on the third portion (13) and further away from the tail pipe (3) than the third threading hole (132).

9. The vehicle frame (100) according to claim 8, characterized in that The paired first mounting members (51) each include a first arcuate surface (511) and a second arcuate surface (512), and the paired second mounting members (52) each include a third arcuate surface (522). The first arcuate surface (511) of the paired first mounting members (51) is adapted to the outer surface of the bottom crank mounting structure (64), and the second arcuate surface (512) of the paired first mounting members (51) and the third arcuate surface (522) of the paired second mounting members (52) are adapted to the outer surface of the connecting portion (31), respectively.

10. The vehicle frame (100) according to claim 6, characterized in that The frame (100) further includes a first auxiliary member (71) and a pair of protective members (73), wherein both ends of the first auxiliary member (71) are respectively connected to one end of the corresponding extension portion (32) facing away from the connection portion (31), and the pair of protective members (73) are respectively arranged on a side of the corresponding extension portion (32) adjacent to the head pipe (2), and the paired battery compartment mounting structure (62), the tail pipe (3), the first auxiliary member (71), the pair of protective members (73) and the portion of the paired side pipes (4) adjacent to the tail pipe (3) together constitute a accommodating chamber (101) for accommodating the battery compartment.

11. The vehicle frame (100) according to claim 2, characterized in that The frame (100) further includes a pair of pedal mounting structures (65), each end of which is connected to the corresponding side tube (4), and each middle portion of which is connected to the second portion (12).

12. A two-wheeled vehicle, characterized in that: The two-wheeled vehicle comprises: The vehicle frame (100) according to any one of claims 1 to 11.