Detachable four-wheeler structure
By designing a detachable four-wheeled vehicle structure, the problem of inconvenient transportation and storage of integral four-wheeled vehicles is solved, enabling convenient assembly and folding, reducing transportation costs and storage space requirements, and improving the user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2026-03-24
AI Technical Summary
Existing four-wheeled vehicles have a unibody structure, which results in high transportation costs, large storage space requirements, and a poor user experience.
Design a detachable four-wheeled vehicle structure, including a detachable frame assembly and a foldable X-shaped bracket, to facilitate disassembly and folding, reducing transportation and storage requirements.
It enables convenient disassembly and folding, reducing manufacturers' transportation costs and users' storage space requirements, and improving the user experience.
Smart Images

Figure CN224023866U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to four -wheeled vehicle technical field especially relates to a detachable four -wheeled vehicle structure. BACKGROUND
[0002] Now the society population is ageing seriously, need more care to the aged, and the body function of people will slowly degrade with the increase of age, for example the degradation of the action ability causes the influence to the life of the aged, aiming at the problem of the action ability degradation of the aged, more and more medical instruments appear on the market for assisting the action and life of the aged, for example four -wheeled vehicle is for assisting the walking of the aged.
[0003] But the four -wheeled vehicle of present generally is integral type structure, and it cannot be disassembled, thereby inconvenient for factory transportation, and the transportation cost of factory is higher, and it is inconvenient for user storage, and needs the storage space to be big, and the use experience of user is not good;
[0004] Therefore, it is necessary to improve the prior art. INVENTION CONTENTS
[0005] The utility model aims at at least one of the problems existing in the prior art to some extent, and therefore, the utility model provides a detachable four -wheeled vehicle structure, which is convenient to disassemble and convenient for factory transportation.
[0006] The above-mentioned purpose is realized by the following technical scheme:
[0007] A detachable four -wheeled vehicle structure, including both sides car frame assembly and collapsible X -shaped support, the X -shaped support is detachably connected between both sides the car frame assembly, the car frame assembly includes main frame group, handrail group, front wheel group and rear wheel group, the lower end of handrail group is detachably connected with the upper end of main frame group, the front wheel group is detachably connected with the front end of main frame group, and the rear wheel group is detachably connected with the rear end of main frame group.
[0008] In some embodiments, the main frame group includes a center portion, an upper connecting portion extending upward from the center portion, a front connecting portion inclined downward from the center portion, and a rear connecting portion inclined downward from the center portion, and the main frame group is integrally formed.
[0009] In some embodiments, the height of the handrail group is adjustable, the lower end of the handrail group is sleeved on the top of the upper connecting portion, and the handrail group and the upper connecting portion are detachably connected by a connecting member.
[0010] In some embodiments, the front wheel set comprises a front support and a front caster wheel, wherein the front caster wheel is connected to a front end of the front support, a rear end of the front support is sleeved outside a front end of the front connecting portion, and the front support and the front connecting portion are detachably connected together through a connecting member.
[0011] In some embodiments, the rear wheel set comprises a rear support and a rear caster wheel, wherein the rear caster wheel is connected to a rear end of the rear support, a front end of the rear support is sleeved outside a rear end of the rear connecting portion, and the rear support and the rear connecting portion are detachably connected together through a connecting member.
[0012] In some embodiments, the upper side of the X-shaped support is connected with the handrail set, and the lower side is connected with the main frame set, connection rods are arranged on the two sides of the X-shaped support, and a storage box is arranged between the two connection rods.
[0013] Compared with the prior art, the utility model has at least the following beneficial effects:
[0014] 1. The detachable four-wheeled vehicle structure is convenient to disassemble and assemble, convenient for manufacturers to transport, and reduces the packaging and transportation costs of manufacturers. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a three-dimensional schematic view of the four-wheeled vehicle in the embodiment Figure One ;
[0016] Figure 2 is a three-dimensional schematic view of the four-wheeled vehicle in the embodiment Figure Two ;
[0017] Figure 3 is an exploded schematic view of the frame assembly in the embodiment. DETAILED DESCRIPTION
[0018] The following embodiments are used to illustrate the utility model, but the utility model is not limited by these embodiments. Modifications are made to the specific implementation manner of the utility model or equivalent replacements are made to part of the technical features without departing from the spirit of the utility model, and all of the above should be covered in the technical scheme range of the utility model claimed.
[0019] Embodiment one: as Figure 1 , Figure 2 and Figure 3As shown, the embodiment provides a detachable four-wheeled vehicle structure, which comprises two side frame assemblies 100 and a foldable X-shaped support 200 detachably connected between the two side frame assemblies 100. The frame assembly 100 comprises a main frame group 1, a handrail group 2, a front wheel group 3 and a rear wheel group 4. The lower end of the handrail group 2 is detachably connected to the upper end of the main frame group 1. The front wheel group 3 is detachably connected to the front end of the main frame group 1. The rear wheel group 4 is detachably connected to the rear end of the main frame group 1.
[0020] The embodiment provides a detachable four-wheeled vehicle structure, which is convenient to disassemble and package, reduces the packaging and transportation costs of manufacturers.
[0021] Specifically, the two side frame assemblies 100 and the foldable X-shaped support 200 are detachably connected, and the main frame group 1, the handrail group 2, the front wheel group 3 and the rear wheel group 4 of the frame assembly 100 are also detachably connected. Therefore, it is convenient for manufacturers to package the four-wheeled vehicle and reduce the packaging volume, which is convenient for manufacturers to transport and reduces the packaging and transportation costs of manufacturers. At the same time, it is convenient for users to store, requires less storage space, and the user's experience is better.
[0022] In the embodiment, the main frame group 1 comprises a center part 11, an upper connecting part 12 extending upward from the center part 11, a front connecting part 13 inclined downward from the center part 11, and a rear connecting part 14 inclined downward from the center part 11. The main frame group 1 is integrally formed, which has simple structure, better integrity and higher structural strength. The integrally formed main frame group 1 can improve the overall performance of the main frame group 1, and the detachable connection between the main frame group 1, the handrail group 2, the front wheel group 3 and the rear wheel group 4 can reduce the product cost.
[0023] Further, the height of the handrail group 2 is adjustable to meet the use requirements of different users and improve the user's experience. The lower end of the handrail group 2 is sleeved on the top of the upper connecting part 12, and the handrail group 2 and the upper connecting part 12 are detachably connected by a connecting member. The structure is simple, which facilitates the detachable connection between the handrail group 2 and the upper connecting part 12, improves the convenience of product assembly and disassembly, improves the user's experience, and reduces the product cost to a certain extent.
[0024] Further, the front wheel group 3 comprises a front support 31 and a front caster 32, wherein the front caster 32 is connected to the front end of the front support 31, the rear end of the front support 31 is sleeved outside the front end of the front connecting part 13, and the front support 31 and the front connecting part 13 are detachably connected through a connecting member, which is simple in structure, facilitates the detachable connection between the front support 31 and the front connecting part 13, facilitates the convenience of product assembly and disassembly, improves the user experience, and can reduce the product cost to a certain extent.
[0025] In the embodiment, the rear wheel group 4 comprises a rear support 41 and a rear caster 42, wherein the rear caster 42 is connected to the rear end of the rear support 41, the front end of the rear support 41 is sleeved outside the rear end of the rear connecting part 14, and the rear support 41 and the rear connecting part 14 are detachably connected through a connecting member, which is simple in structure, facilitates the detachable connection between the rear support 41 and the rear connecting part 14, facilitates the convenience of product assembly and disassembly, improves the user experience, and can reduce the product cost to a certain extent.
[0026] Further, the upper side of the X-shaped support 200 is connected with the handrail group 2, and the lower side is connected with the main frame group 1, a connecting rod 5 is arranged on each side of the X-shaped support 200, and a storage box 6 is arranged between the two connecting rods 5, which is simple in structure and reasonable in design, the product has more storage space through the arranged storage box 6, the user can conveniently store articles, and the user experience is improved.
[0027] The above only describes some embodiments of the present application. For those skilled in the art, without departing from the inventive concept, a number of modifications and improvements can be made, which are all within the protection scope of the present application.
Claims
1. A detachable four-wheeled vehicle structure, characterized in that, The vehicle includes frame assemblies (100) on both sides and a foldable X-shaped bracket (200). The X-shaped bracket (200) is detachably connected between the frame assemblies (100) on both sides. The frame assembly (100) includes a main frame assembly (1), a handlebar assembly (2), a front wheel assembly (3), and a rear wheel assembly (4). The lower end of the handlebar assembly (2) is detachably connected to the upper end of the main frame assembly (1). The front wheel assembly (3) is detachably connected to the front end of the main frame assembly (1). The rear wheel assembly (4) is detachably connected to the rear end of the main frame assembly (1).
2. The detachable four-wheeled vehicle structure according to claim 1, characterized in that: The main frame assembly (1) includes a central part (11), an upper connecting part (12) extending upward from the central part (11), a front connecting part (13) inclined forward and downward from the central part (11), and a rear connecting part (14) inclined backward and downward from the central part (11). The main frame assembly (1) is integrally formed.
3. The detachable four-wheeled vehicle structure according to claim 2, characterized in that: The height of the handrail assembly (2) is adjustable. The lower end of the handrail assembly (2) is fitted over the top of the upper connecting part (12), and the handrail assembly (2) and the upper connecting part (12) are detachably connected together by a connecting member.
4. The detachable four-wheeled vehicle structure according to claim 2, characterized in that: The front wheel assembly (3) includes a front bracket (31) and a front caster (32), wherein the front caster (32) is connected to the front end of the front bracket (31), the rear end of the front bracket (31) is sleeved outside the front end of the front connecting part (13), and the front bracket (31) and the front connecting part (13) are detachably connected together by a connecting member.
5. The detachable four-wheeled vehicle structure according to claim 2, characterized in that: The rear wheel assembly (4) includes a rear bracket (41) and a rear caster (42), wherein the rear caster (42) is connected to the rear end of the rear bracket (41), the front end of the rear bracket (41) is sleeved outside the rear end of the rear connecting part (14), and the rear bracket (41) and the rear connecting part (14) are detachably connected together by a connecting member.
6. A detachable four-wheeled vehicle structure according to any one of claims 1-5, characterized in that: The upper side of the X-shaped bracket (200) is connected to the handrail assembly (2), and the lower side is connected to the main frame assembly (1). Connecting rods (5) are respectively provided on both sides of the X-shaped bracket (200), and a storage box (6) is provided between the two connecting rods (5).