Integrated quick-release rear wheel for electric power-assisted tricycle and use method of integrated quick-release rear wheel

By designing an integrated quick-disassembly rear wheel for electric-assisted tricycles, the problem of cumbersome disassembly of the rear wheel of traditional electric-assisted tricycles is solved, and rapid disassembly and installation is achieved, improving the portability and flexibility of the vehicle.

CN120156211APending Publication Date: 2025-06-17TIANJIN WANGUAN APPLIED PHYSICS TECH CO LTD
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Patent Information

Application Number
CN202510480650.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2025-06-17

AI Technical Summary

Technical Problem

The rear wheel disassembly process of traditional electric power tricycles is cumbersome and requires tools, which limits its portability and flexibility.

Method used

An integrated quick-disassembly rear wheel for electric-assisted tricycle is designed, which can be quickly disassembled and installed through simple operations, including axle rollers, wheels, installation rods, brake discs and flat keys, simplifying the disassembly and installation process.

Benefits of technology

The electric-assisted tricycle can quickly disassemble and install the rear wheels without using tools, greatly improving the portability and flexibility of the vehicle, reducing operational difficulty and maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The integrated quick-release rear wheel comprises a shaft roller and wheel bodies, the wheel bodies are symmetrically arranged at the two ends of the shaft roller, mounting rods are symmetrically arranged at the two ends of the shaft roller, brake discs are fixedly arranged on the inner sides of the wheel bodies, the mounting rods are connected with the wheel bodies, and the shaft roller is connected with the brake discs. The using method of the integrated quick-release rear wheel for the electric power-assisted tricycle comprises the steps of preparation work, integrated wheel disassembly, inspection and maintenance and new wheel installation. The invention belongs to the technical field of tricycle parts, and particularly provides a tricycle assembly which can be quickly disassembled and assembled through simple operation, so that a vehicle owner can conveniently and quickly maintain a vehicle or replace rear wheels in an emergency; according to the integrated quick-release rear wheel for the electric power-assisted tricycle and the using method of the integrated quick-release rear wheel, the portability and the flexibility of the tricycle are improved.
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Description

Technical Field

[0001] The present invention belongs to the technical field of tricycle components, and specifically refers to an integrated quick-release rear wheel for an electric-assisted tricycle and its usage method. Background Art

[0002] An electric-assisted tricycle is a tricycle that combines human pedaling and electric drive. It can travel either by pedaling or by electric drive, providing more choices and convenience for riders. However, the disassembly process of the rear wheel of traditional electric-assisted tricycles is cumbersome and requires complex operations using tools, which to a certain extent limits its portability and flexibility. Therefore, there is an urgent need for a new type of integrated quick-release rear wheel for electric-assisted tricycles and its usage method to solve the above problems. Summary of the Invention

[0003] To solve the above existing problems, the present invention provides an integrated quick-release rear wheel for an electric-assisted tricycle and its usage method, which can be quickly disassembled and installed through simple operations. This not only facilitates the vehicle owner to quickly repair or replace the rear wheel in case of emergency, but also improves the portability and flexibility of the vehicle.

[0004] The technical solution adopted by the present invention is as follows: The integrated quick-release rear wheel for an electric-assisted tricycle and its usage method of the present invention include an axle roller and a wheel. The wheels are symmetrically arranged at both ends of the axle roller. Installation rods are symmetrically arranged at both ends of the axle roller. A brake disc is fixedly arranged inside the wheel. The installation rod is connected to the wheel, and the axle roller is connected to the brake disc.

[0005] Further, the wheel includes a rim, spokes, a hub, and an outer tire. The hub is arranged inside the rim. The hub and the rim are concentrically arranged. The spokes are arranged between the hub and the rim. Both ends of the spokes are fixedly connected to the hub and the rim respectively. The outer tire is arranged outside the rim. The installation rod penetrates through the hub.

[0006] Further, an installation slot is arranged on the inner side wall of the hub. A first keyway is fixedly arranged on the outer side of the installation rod. A first flat key is arranged in the first keyway. The first flat key engages with the installation slot.

[0007] Further, a fixed slot is arranged on the inner side wall of the brake disc. A second keyway is fixedly arranged on the outer side of the axle roller. A second flat key is arranged in the second keyway. The second flat key engages with the fixed slot.

[0008] Further, a screw rod is arranged at one end of the installation rod away from the axle roller. A hexagonal nut is sleeved on the outer side of the screw rod. The hexagonal nut is threadedly connected to the screw rod.

[0009] A usage method of an integrated quick-release rear wheel for an electric-assisted tricycle is characterized by including the following steps:

[0010] S1 Preparation: Ensure the vehicle is stationary, engage the parking brake, lift the vehicle using a jack, and prepare tools such as wrenches, screwdrivers, and jacks.

[0011] S2 Remove the integrated wheel: Use a wrench to loosen the hex nuts but do not remove them completely. Lift the vehicle with the jack so that the wheel is off the ground, and then completely remove the hex nuts. Remove the wheel from one end of the axle roller.

[0012] S3 Inspection and maintenance: Check the contact surfaces between the wheel hub and other components, clean rust or dirt, inspect the bearings and seals of the wheel, and replace them if necessary.

[0013] S3 Install the new wheel: Align the wheel with the axle roller. Align the key on the outside of the installation rod with the installation slot on the inside of the wheel hub, and align the second key on the outside of the axle roller with the fixed slot on the inside of the brake disc. Gently tap the wheel to install it in place, reinstall the hex nuts, and tighten them using a wrench.

[0014] The beneficial effects achieved by the present invention with the above structure are as follows: The integrated quick-release rear wheel for an electric-assisted tricycle and its usage method proposed in this solution, through the design of the integrated quick-release rear wheel, enables the electric-assisted tricycle to quickly disassemble and install the rear wheel without using tools, greatly improving the portability and flexibility of the vehicle, simplifying the disassembly and installation process, reducing the operation difficulty, enhancing the user experience, and reducing the maintenance cost. Brief Description of the Drawings

[0015] Figure 1 It is a usage state diagram of the integrated quick-release rear wheel for an electric-assisted tricycle and its usage method proposed in this solution;

[0016] Figure 2 It is a front view structural schematic diagram of the integrated quick-release rear wheel for an electric-assisted tricycle and its usage method proposed in this solution;

[0017] Figure 3 It is a side view structural schematic diagram of the integrated quick-release rear wheel for an electric-assisted tricycle and its usage method proposed in this solution;

[0018] Figure 4 It is a wheel structural schematic diagram of the integrated quick-release rear wheel for an electric-assisted tricycle and its usage method proposed in this solution;

[0019] Figure 5 It is a brake disc structural schematic diagram of the integrated quick-release rear wheel for an electric-assisted tricycle and its usage method proposed in this solution;

[0020] Figure 6 It is an axle roller structural schematic diagram of the integrated quick-release rear wheel for an electric-assisted tricycle and its usage method proposed in this solution.

[0021] The accompanying drawings are used to provide a further understanding of the present invention and form a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention. In the drawings: 1. Shaft roller, 2. Wheel, 3. Mounting rod, 4. Brake disc, 5. Rim, 6. Spoke, 7. Hub, 8. Outer tire, 9. Mounting slot, 10. First slot hole, 11. First flat key, 12. Fixed slot, 13. Second slot hole, 14. Second flat key, 15. Screw, 16. Hexagonal nut. Detailed implementation manners

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] As Figures 1 to 3 shown, the proposed integrated quick-release rear wheel for an electric-assisted tricycle and its usage method include a shaft roller 1 and a wheel 2. The wheels 2 are symmetrically arranged at both ends of the shaft roller 1. Mounting rods 3 are symmetrically arranged at both ends of the shaft roller 1. A brake disc 4 is fixedly arranged inside the wheel 2. The mounting rod 3 is connected to the wheel 2, and the shaft roller 1 is connected to the brake disc 4.

[0024] As Figure 3 and Figure 4 shown, the wheel 2 includes a rim 5, spokes 6, a hub 7, and an outer tire 8. The hub 7 is arranged inside the rim 5. The hub 7 and the rim 5 are concentrically arranged. The spokes 6 are arranged between the hub 7 and the rim 5. Both ends of the spokes 6 are fixedly connected to the hub 7 and the rim 5 respectively. The outer tire 8 is arranged outside the rim 5. The mounting rod 3 penetrates through the hub 7.

[0025] As Figures 3 to 6 shown, a mounting slot 9 is arranged on the inner side wall of the hub 7. A first slot hole 10 is fixedly arranged on the outer side of the mounting rod 3. A first flat key 11 is arranged in the first slot hole 10. The first flat key 11 engages with the mounting slot 9. A fixed slot 12 is arranged on the inner side wall of the brake disc 4. A second slot hole 13 is fixedly arranged on the outer side of the shaft roller 1. A second flat key 14 is arranged in the second slot hole 13. The second flat key 14 engages with the fixed slot 12.

[0026] Among them, a screw 15 is arranged at one end of the mounting rod 3 away from the shaft roller 1. A hexagonal nut 16 is sleeved on the outer side of the screw 15. The hexagonal nut 16 is threadedly connected to the screw 15.

[0027] When in specific use, first perform the preparatory work: Ensure that the vehicle is parked stably, pull the handbrake, and use a jack to lift the vehicle when necessary. Prepare tools such as wrenches, screwdrivers, jacks, etc.

[0028] Then disassemble the integrated wheel: Use a wrench to loosen the hexagon nut 16 but do not remove it completely. Use a jack to lift the vehicle so that the wheel 2 is off the ground, and then completely remove the hexagon nut 16. Remove the wheel 2 from one end of the axle roll 1.

[0029] And conduct inspection and maintenance: Check the contact surface between the hub 7 and other components, clean rust or dirt, check the bearings and seals of the wheel 2, and replace them when necessary.

[0030] Finally, install the new wheel: Align the wheel 2 with the axle roll 1, align the flat key one 11 on the outside of the installation rod 3 with the installation slot 9 on the inside of the hub 7, and align the flat key two 14 on the outside of the axle roll 1 with the fixed slot 12 on the inside of the brake disc 4. Gently tap the wheel 2 to make it installed in place, reinstall the hexagon nut 16, and use a wrench to tighten it.

[0031] Install the tire: Install the tire back on the outside of the rim 5, ensure that the valve stem is in the correct position, lower the vehicle, and completely tighten the hexagon nut 16.

[0032] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An integrated quick-release rear wheel for an electric power-assisted tricycle, characterized in that: It includes an axle roller and wheels, wherein the wheels are symmetrically arranged at both ends of the axle roller, mounting rods are symmetrically arranged at both ends of the axle roller, a brake disc is fixedly arranged on the inner side of the wheel, the mounting rod is connected to the wheel, and the axle roller is connected to the brake disc.

2. The one-piece quick-release rear wheel for an electric power-assisted tricycle according to claim 1, characterized in that: The wheel comprises a rim, a spoke, a hub and a tire, the hub is arranged inside the rim, the hub and the rim are arranged in concentric circles, the spoke is arranged between the hub and the rim, the two ends of the spoke are respectively fixedly connected to the hub and the rim, the tire is arranged outside the rim, and the mounting rod passes through the hub.

3. The one-piece quick-release rear wheel for an electric power-assisted tricycle according to claim 2, characterized in that: The inner side wall of the wheel hub is provided with a mounting slot, the outer side of the mounting rod is fixedly provided with a slot hole 1, the slot hole 1 is provided with a flat key 1, and the flat key 1 is engaged with the mounting slot.

4. The one-piece quick-release rear wheel for an electric power-assisted tricycle according to claim 1, characterized in that: The inner wall of the brake disc is provided with a fixed slot, the outer side of the shaft roller is fixedly provided with a second slot hole, the second slot hole is provided with a second flat key, and the second flat key is engaged with the fixed slot.

5. The one-piece quick-release rear wheel for an electric power-assisted tricycle according to claim 1, characterized in that: A screw rod is arranged at one end of the mounting rod away from the shaft roller, a hexagonal nut is sleeved on the outer side of the screw rod, and the hexagonal nut is threadedly connected to the screw rod.

6. A method for using an integrated quick-release rear wheel for an electric power-assisted tricycle, characterized in that: The following steps are involved: S1 Preparation: Make sure the vehicle is parked, apply the handbrake, lift the vehicle with a jack, and prepare tools such as wrenches, screwdrivers, and jacks; S2 Disassembly of integrated wheel: Use a wrench to loosen the hexagonal nut but do not remove it completely. Lift the vehicle with a jack to lift the wheel off the ground. Then completely remove the hexagonal nut and remove the wheel from one end of the axle roller. S3 Inspection and maintenance: Check the contact surface between the wheel hub and other parts, clean rust or dirt, check the wheel bearings and seals, and replace them if necessary; S3 Install the new wheel: Align the wheel with the shaft roller, align the flat key 1 on the outside of the mounting rod with the mounting slot on the inside of the wheel hub, align the flat key 2 on the outside of the shaft roller with the fixing slot on the inside of the brake disc, gently tap the wheel to install it in place, reinstall the hexagonal nut, and tighten it with a wrench.