Motorcycle frame assembly and motorcycle

Abstract

The utility model discloses a motorcycle frame assembly and a motorcycle, which relates to the field of motorcycles and comprises a frame lower main pipe, a frame tail supporting pipe, an auxiliary footrest mounting pipe arranged on the frame lower main pipe, a main supporting pipe arranged on the auxiliary footrest mounting pipe and two frame large plates arranged on two sides of the main supporting pipe. The frame large plate is fixed on the auxiliary footrest mounting pipe and is connected with the main supporting pipe; the frame tail supporting pipe is connected with the frame large plate; vertical, horizontal and torsional force borne by the main supporting pipe of the frame is dispersed to all parts, deformation of the main supporting pipe when the main supporting pipe is stressed is avoided, and the strength and rigidity of the frame are improved; the defects of micro-cracks generated by stamping and closing-up, section reduction and strength reduction are overcome, welding stress is not distributed in the radial direction of the pipe any more, the situation that the welding stress coincides with the stress direction is avoided, the strength of a frame is improved, force transmitted in the aspects of a main footrest, a bottom fork, an engine, shock absorption and the like can be effectively decomposed through the overall structure, and the service life of the frame is prolonged. And the vibration of the whole vehicle can be effectively reduced.

Description

Technical Field

[0001] The utility model relates to the field of motorcycles, in particular to a motorcycle frame assembly and a motorcycle. Background Art

[0002] The motorcycle frame is a key safety component, carrying weight, preventing collisions, and securing most of the motorcycle's accessories. Therefore, the frame is subject to high rigidity and strength requirements to ensure safety and stability. Existing motorcycle frames are primarily composed of a front riser, main beam tube, engine diagonal brace tube, large plate, tail pipe, and tail pipe brace tube, all of which are fixedly connected. The riser, main beam tube, engine diagonal brace tube, and large plate form the front frame, while the large plate, tail pipe, and tail pipe brace tube form the middle and rear frame. As a key component connecting the front and rear frames, the large plate's strength significantly impacts the overall strength of the frame. However, the large plate on most current motorcycles is not connected to the lower main frame, preventing the force from the main footrest from being effectively dispersed. This increases vibration throughout the vehicle, resulting in low ride comfort. Utility Model Content

[0003] In view of this, an object of the present invention is to provide a motorcycle frame assembly and a motorcycle, which can utilize a simple structure to improve the frame strength and rigidity and reduce the vibration of the entire vehicle, thereby improving the driving comfort.

[0004] The motorcycle frame assembly and the motorcycle provided by the utility model adopt the following technical solutions:

[0005] A motorcycle frame assembly includes a frame lower main pipe, a frame tail support pipe, an auxiliary footrest mounting pipe arranged on the frame lower main pipe, a main support pipe arranged on the auxiliary footrest mounting pipe, and two frame large plates arranged on both sides of the main support pipe, the frame large plates being fixed on the auxiliary footrest mounting pipe and connected to the main support pipe, and the frame tail support pipe being connected to the frame large plates.

[0006] Furthermore, an upper reinforcement tube is provided on the main support tube, and the upper reinforcement tube passes through the main support tube in a horizontal direction and has two ends fixed to the top ends of the two frame plates.

[0007] Furthermore, a reinforcing plate is provided on the side wall of the main support tube. The reinforcing plate is fixedly fitted to the side wall of the main support tube and its two ends are fixedly connected to the two ends of the upper reinforcing tube.

[0008] Furthermore, weight-reducing holes are provided on the reinforcing plate.

[0009] Furthermore, a flat fork axle tube is provided on the rear support tube of the frame, and a mounting hole for mounting the flat fork axle tube is provided on the large plate of the frame.

[0010] Furthermore, fixing parts for fixing the rear support tube of the frame are provided at both ends of the flat fork axle tube.

[0011] Furthermore, a notch for inserting the rear support tube of the frame is provided on the large frame plate, the notch is arranged obliquely, and the inner diameter of the mounting hole is larger than the width of the notch.

[0012] A motorcycle comprises the motorcycle frame assembly according to the above technology.

[0013] In summary, the present invention has at least one of the following beneficial effects: the vertical, horizontal and torsional forces acting on the main support tube of the frame are dispersed to various parts, thereby preventing the main support tube from deforming when subjected to force, thereby improving the strength and rigidity of the frame; avoiding the defects of microcracks and reduced strength due to reduced cross-section caused by stamping, and making the welding stress no longer distributed along the radial direction of the pipe, thereby avoiding the coincidence of welding stress and force direction, thereby improving the strength of the frame; the overall structure enables the forces transmitted from the main footrest, flat fork, engine, shock absorber and other aspects to be effectively decomposed, and can effectively reduce the vibration of the entire vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of an embodiment of the present utility model.

[0015] Description of reference numerals:

[0016] 1. Frame lower main pipe; 2. Frame tail support pipe; 21. Leveling axle pipe; 22. Fixing parts; 3. Auxiliary footrest mounting pipe; 4. Main support pipe; 41. Upper reinforcement pipe; 42. Reinforcement plate; 421. Weight reduction hole; 5. Frame main plate; 51. Mounting hole; 52. Notch. DETAILED DESCRIPTION

[0017] The following describes the embodiments of the present invention through specific examples. Those skilled in the art will readily understand the other advantages and benefits of the present invention from the disclosure herein. The present invention may also be implemented or applied through various other specific embodiments, and the details in this specification may be modified or altered based on different perspectives and applications without departing from the spirit of the present invention.

[0018] The following is combined with Figure 1 The utility model is described in further detail.

[0019] The embodiment of the utility model discloses a motorcycle frame assembly and a motorcycle. Figure 1The motorcycle frame assembly includes a frame lower main pipe 1, a frame tail support pipe 2, an auxiliary footrest mounting pipe 3 arranged on the frame lower main pipe 1, a main support pipe 4 arranged on the auxiliary footrest mounting pipe 3 and two frame large plates 5 arranged on both sides of the main support pipe 4, the frame large plates 5 are welded and fixed on the auxiliary footrest mounting pipe 3 and connected to the main support pipe 4, and the frame tail support pipe 2 is connected to the frame large plates 5; the vertical, horizontal and torsional forces exerted on the main support pipe 4 are dispersed to various parts, avoiding deformation of the main support pipe 4 when subjected to force, thereby improving the strength and rigidity of the frame; avoiding the defects of microcracks and reduced strength caused by stamping and closing, and making the welding stress no longer distributed along the radial direction of the pipe, avoiding the coincidence of welding stress and force direction, thereby improving the strength of the frame, and the overall structure can effectively decompose the forces transmitted from the main footrest, flat fork, engine, shock absorber and other aspects, and can effectively reduce the vibration of the whole vehicle.

[0020] In this embodiment, an upper reinforcing tube 41 is provided on the main support tube 4. The upper reinforcing tube 41 passes through the main support tube 4 in the horizontal direction and both ends are fixed to the top ends of the two frame panels 5. The upper reinforcing tube 41 can connect and fix the top ends of the frame panels 5 to the main support tube 41, so that the upper and lower ends of the frame panels 5 are fixedly installed, forming the frame panels 5, the main support tube 4, the auxiliary footrest mounting tube 3, the frame lower main tube 1 and the frame tail support tube 2 into a whole.

[0021] In this embodiment, the side wall of the main support tube 4 is provided with a reinforcing plate 42. The reinforcing plate 42 is welded and fixed to the side wall of the main support tube 4 and its two ends are welded and fixed to the two ends of the upper reinforcing tube 41. The reinforcing plate 42 can increase the connection strength between the frame plate 5 and the main support tube 4.

[0022] In this embodiment, the reinforcing plate 42 is provided with a weight-reducing hole 421 , which can avoid welding stress concentration of the main support tube 4 and achieve the effect of lightweighting the frame.

[0023] In this embodiment, a flat fork axle tube 21 is provided on the frame tail support tube 2, and a mounting hole 51 for mounting the flat fork axle tube 21 is provided on the frame plate 5. The end of the frame tail support tube 2 extends to the position of the mounting hole 51 and is provided with a through hole concentric with the mounting hole 51. The two ends of the flat fork axle tube 21 pass through the mounting hole 51 and the through hole of the frame tail support tube 2 and are fixed. The side wall of the flat fork axle tube 21 can abut against the side wall of the main support tube 4, thereby limiting the frame tail support tube 2 on the frame plate 5 to prevent the flat fork axle tube 21 from falling off from the frame plate 5.

[0024] In this embodiment, fixing parts 22 for fixing the rear support tube 2 of the frame are provided at both ends of the fork axle tube 21. The fixing parts 22 are fixed to the two ends of the fork axle tube 21 to fix the rear support tube 2 of the frame on the fork axle tube 21. At the same time, the fork axle tube 21 can be horizontally limited on the large frame plate 5 to prevent the fork axle tube 21 from moving laterally on the large frame plate 5.

[0025] In this embodiment, a notch 52 for inserting the frame tail support tube 2 is provided on the frame plate 5. The notch 52 is inclined and communicates with the mounting hole 51. The inner diameter of the mounting hole 51 is larger than the width of the notch 52. The mounting hole 51 can further limit the fork shaft tube 21 to prevent the fork shaft tube 21 from falling off the frame plate 5.

[0026] A motorcycle comprises the motorcycle frame assembly according to the above technology.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model and are not limiting. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A motorcycle frame assembly, characterized in that: The vehicle comprises a frame lower main pipe (1), a frame rear support pipe (2), an auxiliary footrest mounting pipe (3) arranged on the frame lower main pipe (1), a main support pipe (4) arranged on the auxiliary footrest mounting pipe (3), and two frame large plates (5) arranged on both sides of the main support pipe (4); the frame large plates (5) are fixed on the auxiliary footrest mounting pipe (3) and connected to the main support pipe (4); and the frame rear support pipe (2) is connected to the frame large plates (5).

2. The motorcycle frame assembly according to claim 1, characterized in that: An upper reinforcement tube (41) is provided on the main support tube (4). The upper reinforcement tube (41) passes through the main support tube (4) in a horizontal direction and has both ends fixed to the top ends of two large frame plates (5).

3. The motorcycle frame assembly according to claim 2, characterized in that: The side wall of the main support tube (4) is provided with a reinforcement plate (42), and the reinforcement plate (42) is fixedly fitted to the side wall of the main support tube (4) and its two ends are fixedly connected to the two ends of the upper reinforcement tube (41).

4. The motorcycle frame assembly according to claim 3, characterized in that: The reinforcing plate (42) is provided with a weight-reducing hole (421).

5. The motorcycle frame assembly according to claim 1, characterized in that: A flat fork shaft tube (21) is provided on the frame tail support tube (2), and a mounting hole (51) for mounting the flat fork shaft tube (21) is provided on the frame large plate (5).

6. The motorcycle frame assembly according to claim 5, characterized in that: Both ends of the flat fork axle tube (21) are provided with fixing pieces (22) for fixing the rear support tube (2) of the vehicle frame.

7. The motorcycle frame assembly according to claim 6, characterized in that: The frame plate (5) is provided with a notch (52) for inserting the frame tail support tube (2), the notch (52) is arranged obliquely, and the inner diameter of the mounting hole (51) is larger than the width of the notch (52).

8. A motorcycle, characterized in that: The motorcycle frame assembly comprises any one of claims 1 to 7.

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