Integrated frame for electric two-wheeled vehicle

By using an integrated frame design, aluminum or magnesium alloy materials, and a hollow structure, the problems of poor welding and insufficient rigidity in electric two-wheelers have been solved, resulting in improved stability and environmental friendliness, and reduced production costs and scrap rates.

CN223803709UActive Publication Date: 2026-01-16GOLLOP ELECTRIC (SUZHOU) CO LTD
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Patent Information

Application Number
CN202520601881.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-01-16
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

Existing electric two-wheeled vehicle frames suffer from problems such as poor welding, numerous parts, insufficient rigidity, and poor environmental performance. In particular, the tail support is welded separately to the vehicle body, making it prone to damage.

Method used

The vehicle adopts an integrated frame design, using aluminum or magnesium alloy materials and a hollow structure. It integrates components such as the right main frame, left main frame, left seat bucket frame, right seat bucket frame, and tail frame through die casting or forging, reducing welding points, enhancing longitudinal and lateral rigidity, and integrating the battery compartment inside the frame.

Benefits of technology

It improves the stability and safety of the chassis, reduces production costs, reduces the use of plastic coverings, improves assembly efficiency and environmental friendliness, and optimizes space utilization and driving stability.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223803709U_ABST
    Figure CN223803709U_ABST
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Abstract

The utility model provides an integrated frame for an electric two-wheeled vehicle, which belongs to the field of integrated frames and comprises a battery compartment, a main body component is arranged on the left side of the battery compartment, a rear beam component is arranged on the right side of the battery compartment, and aluminum alloy or magnesium alloy is adopted and is designed into a hollow structure, so that the weight of the frame is remarkably reduced, and the strength is improved; the vehicle is more attractive, meanwhile, the use of plastic covering parts is reduced, the assembling efficiency is improved, the manufacturing cost is lower, the vehicle frame does not need complex surface treatment, environment friendliness is achieved, and the recycling value is higher; the battery bin is directly integrated between the left upper beam and the right upper beam of the vehicle frame; the risk that the power battery is impacted by the outside is reduced while the structural stability of the vehicle body is enhanced, the space utilization rate is optimized, the center of the mass center of the vehicle is lowered, and the driving stability of the vehicle is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of integrated frame, specifically, relates to an integrated frame for electric two-wheeled vehicle. BACKGROUND

[0002] Electric vehicle refers to the vehicle that uses vehicle-mounted power source as power, uses motor to drive wheels to run and meets the requirements of road traffic and safety regulations, and the consumers of electric vehicle are mostly separated from the crowd of bicycles, so developing electric vehicle will not increase the number of non-motor vehicles, because one more electric vehicle may mean one less bicycle. However, the road occupation of electric vehicle is quite different from that of bicycle, and is not only determined by the self-width of human body, but also by the personal quality of the driver. Compared with bicycle, the strength requirement of the frame of electric vehicle is relatively high due to the high speed of electric vehicle.

[0003] Through retrieval, the Chinese patent with the patent announcement number CN221163156U discloses an integrated gravity die-casting aluminum alloy electric vehicle frame, but still has the following defects:

[0004] (1) The existing welded pipe frame with plastic covering does not meet the design requirements of electric two-wheeled vehicle, and the electric vehicle frame needs to increase plastic covering for aesthetic needs, which increases the number of parts, the pipe is prone to poor welding size, is prone to rust and needs complex surface treatment, and is prone to environmental pollution;

[0005] (2) The tail support of the existing electric vehicle is separately welded or spliced with the support of the vehicle body, which reduces the rigidity and causes the power assembly and driving equipment to be easily damaged in collision.

[0006] Therefore, we improve it and propose an integrated frame for electric two-wheeled vehicle. CONTENT OF THE UTILITY MODEL

[0007] The utility model aims at the problem that the existing electric vehicle frame has many covering parts, which causes poor welding, and each part of the existing electric vehicle frame is separately welded, which has insufficient stability.

[0008] In order to realize the above-mentioned utility model purposes, the utility model provides the following technical scheme:

[0009] An integrated frame for electric two-wheeled vehicle is provided to improve the above-mentioned problems.

[0010] The utility model is specifically as follows:

[0011] The battery compartment is provided with a main body assembly on the left side and a rear beam assembly on the right side.

[0012] The main body assembly comprises a right main frame arranged at the left rear side of the battery compartment, a left main frame arranged at the front side of the right main frame, and a front windshield arranged between the left main frame and the right main frame.

[0013] The rear beam assembly comprises a rear swing arm support arranged at the right side of the battery compartment, a left seat bucket frame arranged at the front upper end of the rear swing arm support, and a right seat bucket frame arranged at the rear upper end of the rear swing arm support and connected with the left seat bucket frame.

[0014] As a preferred technical scheme of the utility model, the front lower end surface of the left side of the front windshield is arranged in cooperation with a front shock absorber.

[0015] As a preferred technical scheme of the utility model, the upper end of the right main frame is arranged with a right upper beam, and the upper end of the left main frame is arranged with a left upper beam corresponding to the right upper beam.

[0016] As a preferred technical scheme of the utility model, the left upper beam and the right upper beam are arranged in cooperation with a head tube.

[0017] As a preferred technical scheme of the utility model, the right sides of the left seat bucket frame and the right seat bucket frame are jointly arranged with a tail frame, and the right side of the tail frame is arranged in cooperation with a tail box frame.

[0018] As a preferred technical scheme of the utility model, the lower sides of the left seat bucket frame and the right seat bucket frame are arranged with shock absorber supports, the lower sides of the shock absorber supports are arranged in cooperation with rear shock absorbers, the rear shock absorbers are arranged in cooperation with rear wheels, the upper ends of the rear wheels are arranged with fenders, and the front ends of the rear wheels are arranged in cooperation with a motor assembly.

[0019] As a preferred technical scheme of the utility model, the front end outer surface of the battery compartment is arranged in cooperation with a side stay.

[0020] Compared with the prior art, the utility model has the advantages of:

[0021] In the scheme of the utility model,

[0022] 1. The right main frame, the left main frame, the left seat bucket frame, the right seat bucket frame, the tail frame, the left upper beam, the right upper beam and the head tube are integrally manufactured by pressure casting or forging, so that the welding points are reduced, the production cost and the waste rate are reduced, the longitudinal rigidity and the lateral rigidity are improved, and the stability and the safety of the vehicle body are optimized.

[0023] 2. Through the right seat bucket frame, the left seat bucket frame, the tail frame and the tail box frame, the right seat bucket frame, the left seat bucket frame and the tail frame are made of aluminum alloy or magnesium alloy and are designed through a hollow structure, so that the weight of the frame is significantly reduced and the strength is improved; the vehicle is more beautiful, the use of plastic coverings is reduced, the assembly efficiency is improved, the manufacturing cost is lower, the frame does not need complex surface treatment, is more environmentally friendly and has higher recycling value, the battery compartment is directly integrated between the left upper beam and the right upper beam of the frame, the stability of the vehicle body structure is enhanced, the risk of external impact on the power battery is reduced, the space utilization is optimized, the center of mass of the vehicle is slightly lower, and the driving stability of the vehicle is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A whole front view structural schematic diagram of the integrated frame for the electric two-wheeled vehicle is provided.

[0025] Figure 2 A right view whole structural schematic diagram of the integrated frame for the electric two-wheeled vehicle is provided.

[0026] Figure 3 A partial structural schematic diagram of the integrated frame for the electric two-wheeled vehicle is provided.

[0027] Figure 4 A partial structural schematic diagram of the integrated frame for the electric two-wheeled vehicle is provided.

[0028] Figure 5 An enlarged structural schematic diagram of the integrated frame for the electric two-wheeled vehicle is provided.

[0029] Indications in the drawing are as follows:

[0030] 1, battery compartment; 201, right main frame; 202, left main frame; 203, front windshield; 204, front shock absorber; 205, left upper beam; 206, right upper beam; 207, head tube; 3, side support; 401, left seat bucket frame; 402, right seat bucket frame; 403, motor assembly; 404, shock absorber support; 405, rear shock absorber; 406, tail frame; 407, tail box frame; 408, rear wheel; 409, fender; 410, rear swing arm support. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments.

[0032] Therefore, the following detailed description of embodiments of the present application is not intended to limit the scope of the present application as claimed, but merely represents some embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0033] It should be noted that the embodiments and features and technical solutions in the embodiments of the present application can be combined with each other without conflict.

[0034] It should be noted that: similar labels and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0035] As Figures 1-5 shown, the present embodiment proposes an integrated frame for electric two-wheeled vehicle, comprising a battery compartment 1, the left side of the battery compartment 1 is provided with a main body assembly, the right side of the battery compartment 1 is provided with a rear beam assembly;

[0036] The main body assembly comprises a right main frame 201 arranged on the left side of the battery compartment 1, a left main frame 202 is arranged on the front side of the right main frame 201, and a front windshield 203 is arranged between the left main frame 202 and the right main frame 201.

[0037] The rear beam assembly comprises a rear swing arm support 410 arranged on the right side of the battery compartment 1, a left seat bucket frame 401 is arranged on the front side upper end of the rear swing arm support 410, and a right seat bucket frame 402 is arranged on the rear side upper end of the rear swing arm support 410 and connected with the left seat bucket frame 401.

[0038] As Figure 1 and 3 shown, the front windshield 203 is provided with a front shock absorber 204 on the left side lower end surface, and the front shock absorber 204 effectively buffers the force in the front wheel movement of the frame.

[0039] As Figure 2 shown, the right main frame 201 is provided with a right upper beam 206 on the upper end, and the left main frame 202 is provided with a left upper beam 205 corresponding to the right upper beam 206, so that the rigidity of the whole frame is improved by the corresponding installation position.

[0040] As Figure 5 shown, the left upper beam 205 and the right upper beam 206 are provided with a head tube 207 therebetween, and the structure fixed therebetween makes the handlebar installed in the head tube 207 more stable.

[0041] As Figure 4As shown, the left seat bucket frame 401 and the right seat bucket frame 402 are jointly provided with a tail frame 406 on the right side, the tail box frame 407 is connected on the right side of the tail frame 406, and the tail box is more stable during installation through the integrated tail frame 406 and the tail box frame 407.

[0042] As shown in the left seat bucket frame 401 and the right seat bucket frame 402, the lower side of the left seat bucket frame 401 and the right seat bucket frame 402 is provided with a shock absorbing support 404, the lower side of the shock absorbing support 404 is connected with a rear shock absorber 405, the rear shock absorber 405 is connected with a motor assembly 403, and the battery compartment 1 is directly integrated between the left upper beam 205 and the right upper beam 206, which enhances the stability of the vehicle body structure and reduces the risk of external impact on the power battery. Figure 2 3 As shown, the left seat bucket frame 401 and the right seat bucket frame 402 are jointly provided with a tail frame 406 on the right side, the tail box frame 407 is connected on the right side of the tail frame 406, and the tail box is more stable during installation through the integrated tail frame 406 and the tail box frame 407.

[0043] As shown in the left seat bucket frame 401 and the right seat bucket frame 402, the lower side of the left seat bucket frame 401 and the right seat bucket frame 402 is provided with a shock absorbing support 404, the lower side of the shock absorbing support 404 is connected with a rear shock absorber 405, the rear shock absorber 405 is connected with a motor assembly 403, and the battery compartment 1 is directly integrated between the left upper beam 205 and the right upper beam 206, which enhances the stability of the vehicle body structure and reduces the risk of external impact on the power battery. Figure 1

[0044] Specifically, when the vehicle frame is used: the right main frame 201, the left main frame 202, the left seat bucket frame 401, the right seat bucket frame 402, the tail frame 406, the left upper beam 205, the right upper beam 206 and the head tube 207, the overall manufacturing process of the vehicle frame is integrated die casting or forging, which reduces the welding points, reduces the production cost and the waste rate, and improves the longitudinal rigidity and the lateral rigidity, optimizes the stability and safety of the vehicle body, and through the right seat bucket frame 402, the left seat bucket frame 401, the tail frame 406 and the tail box frame 407, the right seat bucket frame 402, the left seat bucket frame 401 and the tail frame 406 are made of aluminum alloy or magnesium alloy and designed through the hollow structure, which significantly reduces the weight of the vehicle frame and improves the strength; the vehicle is more beautiful, the use of plastic covering parts is reduced, the assembly efficiency is improved, the manufacturing cost is lower, the vehicle frame does not need complex surface treatment, which is not only environmentally friendly but also has higher recycling value, the battery compartment 1 is directly integrated between the left upper beam 205 and the right upper beam 206, which enhances the stability of the vehicle body structure and reduces the risk of external impact on the power battery, optimizes the space utilization rate and makes the vehicle centroid lower, improves the vehicle driving stability.

[0045] All the technical features in the embodiment can be freely combined according to actual needs.

[0046] The above embodiment is a preferred implementation scheme of the utility model, in addition to this, the utility model can be realized in other ways, any obvious replacement without departing from the technical scheme concept is within the protection scope of the utility model.​​

Claims

1. An integrated frame for an electric two-wheeled vehicle comprising a battery compartment (1), characterized in that: The left side of the battery compartment (1) is provided with a main body assembly, and the right side of the battery compartment (1) is provided with a rear beam assembly; The main body assembly comprises a right main frame (201) arranged on the left side of the rear side of the battery compartment (1), and the front side of the right main frame (201) is matched with a left main frame (202), and a front windshield (203) is arranged between the left main frame (202) and the right main frame (201). The rear beam assembly comprises a rear swing arm support (410) arranged on the right side of the battery compartment (1), and the left seat bucket frame (401) is arranged on the front side of the upper end of the rear swing arm support (410), and the right seat bucket frame (402) is arranged on the rear side of the upper end of the rear swing arm support (410) and connected with the left seat bucket frame (401).

2. The integrated frame for a motorized two-wheeled vehicle according to claim 1, characterized in that, The left side of the front windshield (203) is matched with a front shock absorber (204).

3. The integrated frame for a motorized two-wheeled vehicle of claim 1, wherein The upper end of the right main frame (201) is provided with a right upper beam (206), and the upper end of the left main frame (202) is provided with a left upper beam (205) corresponding to the right upper beam (206).

4. The integrated frame for a motorized two-wheeled vehicle according to claim 3, characterized in that, The left upper beam (205) and the right upper beam (206) are matched with a head tube (207) therebetween.

5. The integrated frame for a motorized two-wheeled vehicle of claim 1, wherein The right side of the left seat bucket frame (401) and the right seat bucket frame (402) is jointly provided with a tail frame (406), and the right side of the tail frame (406) is matched with a tail box frame (407).

6. The integrated frame for a motorized two-wheeled vehicle according to claim 5, characterized in that, The lower side of the left seat bucket frame (401) and the right seat bucket frame (402) is provided with a shock absorbing support (404), and the lower side of the shock absorbing support (404) is matched with a rear shock absorber (405), and the front and rear of the rear shock absorber (405) is matched with a rear wheel (408), and the upper end of the rear wheel (408) is provided with a fender (409), and the front end of the rear wheel (408) is matched with a motor assembly (403).

7. The integrated frame for a motorized two-wheeled vehicle of claim 1, wherein The front end of the battery compartment (1) is matched with a side support (3).

Citation Information

Patent Citations

  • Integrated gravity die-casting aluminum alloy electric vehicle frame

    CN221163156U