Foldable medical moped

Abstract

The utility model discloses a foldable medical moped, which relates to the technical field of moped, and comprises a frame, a front wheel set and a rear wheel set are rotatably arranged at the bottom of the frame, a handrail part is arranged on the frame, and the frame comprises a first side frame assembly and a second side frame assembly which are oppositely arranged. The first side frame assembly and the second side frame assembly are connected through a first folding mechanism, each of the first side frame assembly and the second side frame assembly comprises a bottom beam and a vertical beam, the bottom beams and the vertical beams are connected through a second folding mechanism, and the front wheel set and the rear wheel set are arranged at the two ends of the bottom beams respectively. The size of the moped can be greatly reduced, and the moped is convenient to store.

Description

Technical Field

[0001] This utility model relates to the field of electric bicycle technology, and in particular to a foldable medical electric bicycle. Background Technology

[0002] In the current market for assistive medical devices, electric bicycles, as an important means of assisting walking, are widely used in the daily lives of the elderly, disabled, and patients in rehabilitation. Traditional electric bicycle designs often prioritize stability and load-bearing capacity, but have limitations in terms of portability and spatial adaptability. Especially in confined spaces such as homes, hospitals, or outdoors, storing and carrying traditional electric bicycles often causes inconvenience for users.

[0003] To address this issue, foldable medical assistive vehicles have gradually emerged on the market. However, these foldable assistive vehicles still have some design shortcomings. For example, the folding mechanisms of some products are complex and unstable, making the folding and unfolding process cumbersome and posing safety hazards; while other products are easy to fold, they still occupy a large amount of space after folding, failing to meet users' ultimate pursuit of space utilization.

[0004] Furthermore, as users' demands for the functionality and comfort of medical scooters continue to increase, traditional folding designs often struggle to meet these needs. For example, some users want the scooter to maintain a certain level of structural stability when folded to prevent damage during transport; at the same time, they also want the scooter to provide sufficient support and maneuverability when unfolded to ensure safety and comfort during use.

[0005] Therefore, in view of the shortcomings in the design of existing foldable medical assistive vehicles, it is necessary to develop a new type of foldable medical assistive vehicle. Utility Model Content

[0006] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a foldable medical assistive vehicle. The assistive vehicle should have the characteristics of simple structure, stable folding, small space occupation, and a combination of functionality and comfort, so as to meet the diverse needs of users for medical assistive vehicles.

[0007] This utility model is achieved through the following technical solution: a foldable medical assistive vehicle, including a frame, with a front wheel assembly and a rear wheel assembly rotatably arranged at the bottom of the frame, and a handrail provided on the frame. The frame includes a first side frame assembly and a second side frame assembly arranged opposite to each other, and the first side frame assembly and the second side frame assembly are connected by a first folding mechanism. Both the first side frame assembly and the second side frame assembly include a bottom beam and a vertical beam, and the bottom beam and the vertical beam are connected by a second folding mechanism. The front wheel assembly and the rear wheel assembly are respectively arranged at both ends of the bottom beam.

[0008] To further optimize this utility model, the following technical solutions may be preferred:

[0009] Preferably, the front wheel assembly is a swivel caster, the rear wheel assembly is rotatably mounted on the outer side of the bottom beam, and the wheel spacing of the rear wheel assembly is greater than that of the front wheel assembly.

[0010] Preferably, a foot pedal is provided on the bottom beam corresponding to the position of the rear wheel assembly, a brake block is also provided on the bottom beam corresponding to the position of the rear wheel assembly, and a control pull ring connected to the brake block is provided on the armrest.

[0011] Preferably, the upright beam includes an outer tube and an inner tube that are nested together. An adjustment hole is provided on the side wall of the outer tube along the length direction. A positioning block that cooperates with the adjustment hole is provided on the inner tube at the position corresponding to the adjustment hole. The handrail is located at the top of the inner tube.

[0012] Preferably, the first retracting mechanism includes a first connecting arm and a second connecting arm hinged in the middle. The lower ends of the first connecting arm and the second connecting arm are rotatably mounted on the bottom beam. The upper ends of the first connecting arm and the second connecting arm are free ends. The free ends of the first connecting arm and the second connecting arm are provided with support rods. The upright beam is provided with a bracket that cooperates with the support rods.

[0013] Preferably, a shelf is detachably provided between the two support rods, and a suspension part is provided on one end of the support rod away from the handrail.

[0014] Preferably, the second closing mechanism includes a connector disposed on the bottom beam, the top of the connector being provided with a fixing sleeve for installing the upright beam, one lower end of the connector being hinged to the bottom beam, and the other lower end of the connector being provided with a U-shaped retaining sleeve that mates with the upper part of the bottom beam.

[0015] Preferably, a locking assembly is provided on the bottom beam corresponding to the position of the U-shaped sleeve. The locking assembly includes a first locking plate and a second locking plate disposed opposite to each other on both sides of the U-shaped sleeve. A pressing rod is provided through the first locking plate and the second locking plate. An elastic support member is provided on the pressing rod corresponding to the inner side of the first locking plate and the second locking plate. A positioning arm is hinged to one end of the pressing rod. A positioning plate is provided on the positioning arm. A positioning groove that cooperates with the positioning plate is provided on the bottom beam.

[0016] This utility model discloses a foldable medical assistive vehicle, whose beneficial effects are mainly reflected in the following aspects:

[0017] 1. Enhanced Convenience: The ingenious design of the first and second folding mechanisms allows for flexible folding between the first and second side frame components, as well as between the bottom beam and the upright beam. This foldable design significantly saves storage space, making it easy for users to carry and store in various environments such as homes, hospitals, or outdoors, thus improving ease of use.

[0018] 2. Structural Stability: Although it features a folding function, the structural stability of this medical assistive vehicle was fully considered during its design. Both the first and second folding mechanisms utilize high-strength materials and precision manufacturing processes to ensure that the frame remains stable and not easily damaged during folding and unfolding, thereby guaranteeing the user's safety during use.

[0019] 3. High adaptability: The front and rear wheel sets are respectively located at both ends of the bottom beam, a design that gives the medical assistive vehicle excellent stability and maneuverability. At the same time, its foldable feature allows the vehicle to adapt to the needs of different users, whether elderly, disabled, or patients in rehabilitation, making it easy to use and greatly expanding the product's applicability.

[0020] 4. Easy to maintain: Due to the modular design of the frame, with components connected by a collapsible mechanism, users can easily disassemble each component for targeted cleaning, inspection, and repair during maintenance. This design not only improves maintenance efficiency but also extends the product's lifespan.

[0021] 5. Environmentally Friendly and Energy-Saving: The design of this medical assistive vehicle fully considers the needs of environmental protection and energy conservation. In its folded state, it occupies little space, facilitating transportation and storage, and reducing resource waste. Simultaneously, as an assistive walking tool, it helps users reduce physical exertion and improve their self-care abilities, thereby contributing to energy conservation, emission reduction, and sustainable development to a certain extent.

[0022] In summary, the foldable medical assistive vehicle of this utility model has multiple beneficial effects such as high convenience, stable structure, strong adaptability, easy maintenance and environmental protection and energy saving, bringing great convenience and comfort to users' daily lives. Attached Figure Description

[0023] Figure 1 A 3D structural diagram of a medical assistive vehicle;

[0024] Figure 2 The front view of the medical assistance vehicle;

[0025] Figure 3 A structural view of the right side of the medical assistance vehicle;

[0026] Figure 4This is a rear structural view of the medical assistance vehicle.

[0027] Figure 5 This is a structural view of the left side of the medical assistance vehicle.

[0028] Figure 6 This is an enlarged schematic diagram of the structure at point A.

[0029] Figure 7 This is an enlarged schematic diagram of the structure at point B.

[0030] Figure 8 This is a schematic diagram of the internal structure of the locking assembly.

[0031] The components are as follows: 1. Bottom beam; 2. Vertical beam; 3. Front wheel assembly; 4. Rear wheel assembly; 5. Handrail; 6. First folding mechanism; 7. Second folding mechanism; 8. Outer tube; 9. Inner tube; 10. Adjustment hole; 11. Positioning block; 12. First connecting arm; 13. Second connecting arm; 14. Support rod; 15. Shelf; 16. Suspension part; 17. Connector; 18. Fixing sleeve; 19. U-shaped sleeve; 20. First locking plate; 21. Second locking plate; 22. Pressing rod; 23. Elastic support; 24. Positioning arm; 25. Positioning plate; 26. Positioning groove. Detailed Implementation

[0032] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Example

[0034] like Figure 1-8As shown, a foldable medical assistive vehicle includes a frame, with a front wheel assembly 3 and a rear wheel assembly 4 rotatably mounted on the bottom of the frame, and a handrail 5 mounted on the frame. The frame includes a first side frame assembly and a second side frame assembly mounted opposite each other. The first side frame assembly and the second side frame assembly are connected by a first folding mechanism 6. Both the first side frame assembly and the second side frame assembly include a bottom beam 1 and a vertical beam 2. The bottom beam 1 and the vertical beam 2 are connected by a second folding mechanism 7. The front wheel assembly and the rear wheel assembly are respectively mounted at both ends of the bottom beam. As a preferred design, the front wheel assembly is a universal wheel, and the rear wheel assembly is rotatably mounted on the outer side of the bottom beam. The wheel spacing of the rear wheel assembly is greater than that of the front wheel assembly. A foot pedal is mounted on the bottom beam corresponding to the position of the rear wheel assembly, and a brake block is also mounted on the bottom beam corresponding to the position of the rear wheel assembly. A control pull ring connected to the brake block is mounted on the handrail. The above structural design has the following design advantages: (1) Improved flexibility and maneuverability: The front wheel assembly adopts a universal wheel design, which enables the assistive vehicle to easily achieve steering, improving flexibility in narrow spaces or complex terrains. Users can easily adjust the direction of travel as needed, whether it is a narrow passage in the home or an uneven road surface outdoors. (2) Enhanced stability: The rear wheel set is mounted on the outer side of the bottom beam, and the wheel spacing is larger than that of the front wheel set. This design helps to improve the stability of the electric bicycle during travel. Especially when turning or encountering uneven road surfaces, the wide wheel spacing of the rear wheel set can effectively prevent tipping and ensure the safety of users. (3) Improved convenience of the foot pedal design: The foot pedal set installed on the bottom beam corresponding to the position of the rear wheel set provides users with an additional standing or support point. When a short stop or adjustment of posture is required, users can easily step on the foot pedal set, which increases the comfort and convenience of use. (4) Optimized braking system: The combination of brake pads and control pull rings allows users to brake by simply pulling the hand ring, which greatly simplifies the braking operation. This design not only improves the braking response speed, but also allows users to brake quickly in emergency situations to ensure safety. (5) Coordination and practicality of the overall design: These design elements not only independently improve the performance of the electric bicycle, but also coordinate with each other to form a practical and comfortable whole. From agile handling to stable driving, and from convenient pedaling to an efficient braking system, every detail reflects a deep understanding and fulfillment of user needs.

[0035] As a preferred design, the upright beam includes an outer tube 8 and an inner tube 9 that are fitted together. An adjustment hole 10 is provided on the side wall of the outer tube along the length direction. A positioning block 11 that cooperates with the adjustment hole is installed on the inner tube at the corresponding position of the adjustment hole. The handrail is installed at the top of the inner tube. The above structural design has the following advantages: (1) Enhanced height adjustability: Through the mutual fitting of the outer tube and the inner tube, the user can easily adjust the height of the upright beam according to their own height or usage needs. The cooperation design of the positioning block and the adjustment hole makes the height adjustment process stable and accurate, avoiding the inconvenience caused by the traditional fixed height design. (2) Wider range of adaptability: The height-adjustable design allows the medical assistive vehicle to adapt to users of different heights and different usage habits. Whether it is the elderly, the disabled or patients in the rehabilitation period, they can adjust to the most suitable height according to their actual situation, thereby improving the comfort and convenience of use. (3) Improved structural stability: The fitting design of the outer tube and the inner tube, as well as the close cooperation of the positioning block and the adjustment hole, ensures the stability of the upright beam after the height is adjusted. Even when encountering bumps or uneven roads during driving, the upright beam remains stable, providing reliable support for the user. (4) Optimized handrail position: The handrail is installed at the top of the inner tube, allowing the user to grip it more naturally and reducing the burden on the arms and shoulders. At the same time, the height of the handrail is level with the user's line of sight, which helps to improve safety and maneuverability during driving. (5) Overall design coordination and aesthetics: The adjustable height design of the upright beam and the optimized installation position of the handrail not only improve the practicality of the electric bicycle, but also make the overall design more coordinated and aesthetically pleasing. This design not only meets the user's functional needs, but also enhances the visual appeal of the product.

[0036] As a preferred design, the first retractable mechanism 6 includes a first connecting arm 12 and a second connecting arm 13 hinged in the middle. The lower ends of the first connecting arm 12 and the second connecting arm 13 are rotatably mounted on the base beam, while the upper ends of the first connecting arm and the second connecting arm are free ends, making the first and second side frame assemblies more flexible in retracting and unfolding. Simultaneously, the lower ends of the first and second connecting arms are rotatably mounted on the base beam, while the upper ends are free ends. This design not only simplifies the structure of the retractable mechanism but also improves its stability. In the retracted state, the first and second connecting arms can fit tightly against the base beam, reducing space occupation. Support rods 14 are installed at the free ends of the first and second connecting arms, and a mounting bracket that cooperates with the support rod is installed on the upright beam; this design ensures reliable fixation of the upright beam in the unfolded state. The cooperation between the support rod and the mounting bracket is not only simple and convenient but also provides sufficient support force to ensure the stability of the upright beam.

[0037] As a preferred design, a shelf 15 is detachably installed between the two support rods, and a hanging part 16 is installed on one end of the support rod away from the handrail, providing users with the convenience of hanging items or bags. This design not only saves space but also allows users to easily access items hanging on the hanging part while driving, improving ease of use.

[0038] As a preferred design, the second closing mechanism 7 includes a connector 17 mounted on the bottom beam. A fixing sleeve 18 for mounting the upright beam is installed on the top of the connector. One end of the lower part of the connector is hinged to the bottom beam, and the other end of the lower part of the connector is fitted with a U-shaped sleeve 19 that mates with the upper part of the bottom beam. A locking assembly is installed on the bottom beam corresponding to the position of the U-shaped sleeve. The locking assembly includes a first locking plate 20 and a second locking plate 21 installed opposite to each other on both sides of the U-shaped sleeve. A pressure rod 22 is installed through the first locking plate and the second locking plate. An elastic support member 23 is installed on the pressure rod corresponding to the inner side of the first locking plate and the second locking plate. A positioning arm 24 is hinged to one end of the pressure rod. A positioning plate 25 is installed on the positioning arm. A positioning groove 26 that mates with the positioning plate is installed on the bottom beam.

[0039] As a preferred design, the second retractable mechanism and its matching locking components bring the following beneficial effects: (1) The retractable mechanism is ingeniously designed and easy to operate: The second retractable mechanism connects the upright beam and the bottom beam through a connector. A fixing sleeve is installed on the top of the connector for installing the upright beam. This design allows the upright beam to be stably installed on the bottom beam. At the same time, one end of the lower part of the connector is hinged to the bottom beam, and the other end is equipped with a U-shaped sleeve. This structure allows the upright beam to be easily retracted and unfolded, improving the ease of use. (2) The locking components enhance stability: The locking components installed on the bottom beam corresponding to the position of the U-shaped sleeve achieve a firm lock on the U-shaped sleeve through the first locking plate, the second locking plate, and the through-mounted pressure rod. This design not only improves the stability of the upright beam in the unfolded state, but also prevents the upright beam from shaking or falling off due to bumps or external forces. (3) Elastic support provides cushioning: The elastic support installed on the clamping rod corresponding to the inner positions of the first and second locking plates can provide a certain cushioning effect during the locking process, reducing the damage to the U-shaped sleeve or bottom beam caused by excessive locking force. At the same time, the elastic support can also increase the reliability of locking, ensuring that the locking assembly can still maintain a good working condition after long-term use. (4) Positioning arm and positioning groove cooperate to improve safety: The positioning arm hinged to one end of the clamping rod and the positioning plate installed on the positioning arm cooperate with the positioning groove installed on the bottom beam to further fix the locking assembly. This design not only improves the safety of the locking assembly, but also prevents the locking assembly from loosening or falling off due to misoperation or external force. In summary, by adopting the second folding mechanism and its matching locking assembly design, the foldable medical assistive vehicle has been significantly improved in terms of the convenience of the folding mechanism, the stability of the upright beam, the reliability of the locking assembly, and the coordination and practicality of the overall design. These improvements not only enhance the practicality of the electric bicycles but also provide users with a safer and more comfortable experience.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A foldable medical scooter comprising a frame, a front wheel set and a rear wheel set rotatably arranged at the bottom of the frame, and a handrail arranged on the frame, characterized in that: The frame includes a first side frame assembly and a second side frame assembly arranged opposite to each other. The first side frame assembly and the second side frame assembly are connected by a first retraction mechanism. Both the first side frame assembly and the second side frame assembly include a bottom beam and a vertical beam. The bottom beam and the vertical beam are connected by a second retraction mechanism. The front wheel set and the rear wheel set are respectively located at both ends of the bottom beam.

2. The foldable medical scooter of claim 1, wherein: The front wheel assembly is a swivel caster, and the rear wheel assembly is rotatably mounted on the outer side of the bottom beam. The wheel spacing of the rear wheel assembly is greater than that of the front wheel assembly.

3. The foldable medical scooter of claim 1, wherein: A foot pedal is provided on the bottom beam corresponding to the position of the rear wheel assembly, and a brake block is also provided on the bottom beam corresponding to the position of the rear wheel assembly. A control pull ring connected to the brake block is provided on the armrest.

4. The foldable medical scooter of claim 1, wherein: The upright beam includes an outer tube and an inner tube that are nested together. An adjustment hole is provided on the side wall of the outer tube along the length direction. A positioning block that cooperates with the adjustment hole is provided on the inner tube at the position corresponding to the adjustment hole. The handrail is located at the top of the inner tube.

5. The foldable medical scooter of claim 1, wherein: The first retractable mechanism includes a first connecting arm and a second connecting arm hinged in the middle. The lower ends of the first connecting arm and the second connecting arm are rotatably mounted on the bottom beam. The upper ends of the first connecting arm and the second connecting arm are free ends. The free ends of the first connecting arm and the second connecting arm are provided with support rods. The upright beam is provided with a mounting bracket that cooperates with the support rods.

6. The foldable medical scooter of claim 5, wherein: A shelf is detachably provided between the two support rods, and a suspension part is provided on one end of the support rod away from the handrail.

7. The foldable medical scooter of claim 1, wherein: The second closing mechanism includes a connector mounted on the bottom beam. The top of the connector is provided with a fixing sleeve for mounting the upright beam. One end of the lower part of the connector is hinged to the bottom beam, and the other end of the lower part of the connector is provided with a U-shaped clamp that mates with the upper part of the bottom beam.

8. The foldable medical scooter of claim 7, wherein: A locking assembly is provided on the bottom beam corresponding to the position of the U-shaped sleeve. The locking assembly includes a first locking plate and a second locking plate disposed opposite to each other on both sides of the U-shaped sleeve. A pressure rod is provided through the first locking plate and the second locking plate. An elastic support member is provided on the pressure rod corresponding to the inner side of the first locking plate and the second locking plate. A positioning arm is hinged to one end of the outer side of the pressure rod. A positioning plate is provided on the positioning arm. A positioning groove that cooperates with the positioning plate is provided on the bottom beam.

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