A collapsible four wheeled walker structure

Abstract

The utility model discloses a detachable four -wheel walking aid structure, including both side's frame subassembly and folding support subassembly, the structure of frame subassembly left and right sides is same, the frame subassembly is through folding support subassembly collapsiblely connected together between the frame subassembly, the frame subassembly includes main frame, handrail group, front wheel group and rear wheel group, wherein handrail group detachably connected on main frame upper end, front wheel group detachably connected on the front end of main frame, rear wheel group detachably connected on main frame rear end. The utility model on one hand is convenient to dismount, compresses space, and the convenient manufacturer transportation reduces transportation cost, on the other hand, simple installation is favorable to consumer self -service installation.

Description

Technical Field

[0001] This utility model relates to the field of four-wheeled walking aid technology, and in particular to a detachable four-wheeled walking aid structure. Background Technology

[0002] Elderly people, injured people, patients, or people with disabilities often need the assistance of walking aids when undergoing rehabilitation, seeking medical treatment, or going out. Although ordinary walking aids on the market can meet the mobility needs of people with limb disabilities and limited mobility, they cannot meet the needs of users to use the walking aid to rest during their activities.

[0003] Currently, a growing number of four-wheeled walking aids with wheelchair functionality are appearing on the market, meeting users' needs for lower limb rehabilitation training and providing a comfortable sitting and resting experience. However, existing four-wheeled walking aids are generally one-piece structures that cannot be disassembled, which is inconvenient for manufacturers' transportation and increases their costs. Furthermore, they occupy a large space, hindering user storage and resulting in a poor user experience. Therefore, it is necessary to improve existing technology. Utility Model Content

[0004] This utility model aims to at least partially solve one of the problems existing in the prior art. To this end, this utility model is convenient for disassembly and assembly, compresses space, facilitates transportation for manufacturers, and reduces transportation costs. On the other hand, it is easy to install, which is beneficial for consumers to install and fold for storage themselves.

[0005] The above objective is achieved through the following technical solution: A detachable four-wheeled walking aid structure, characterized in that: it includes frame assemblies on both sides and a folding bracket assembly, wherein the left and right sides of the frame assemblies have the same structure, and the frame assemblies are foldably connected together through the folding bracket assembly; The frame assembly includes a main frame, a handlebar assembly, a front wheel assembly, and a rear wheel assembly, wherein the handlebar assembly is detachably connected to the upper end of the main frame, the front wheel assembly is detachably connected to the front end of the main frame, and the rear wheel assembly is detachably connected to the rear end of the main frame. The main frame includes a first arc-shaped tube, a second arc-shaped tube, and a connecting tube. The connecting tube connects the first arc-shaped tube and the second arc-shaped tube so that the main frame is arranged in an A-shape. The lower end of the first arc-shaped tube extends rearward and is detachably connected to the rear wheel assembly, and the lower end of the second arc-shaped tube extends forward and is detachably connected to the front wheel assembly.

[0006] In some embodiments, a seat cushion is provided on top of the folding support assembly; and a removable backrest is provided between the armrest assemblies on both sides.

[0007] In some embodiments, an adjustment structure is provided between the armrest assembly and the main frame for adjusting the height of the armrest assembly and the backrest.

[0008] In some embodiments, the adjustment structure includes a snap-fit ​​component; a plurality of adjustment holes are provided at intervals along the height direction at the upper end of the first arc-shaped tube, a connection hole is provided on the handrail assembly, the snap-fit ​​component is disposed in the handrail assembly, the lower end of the handrail assembly is inserted into the first arc-shaped tube, and the connection hole and the corresponding adjustment hole are detachably connected together by the snap-fit ​​component.

[0009] In some embodiments, the armrest assembly includes a handle, a brake lever, a brake cable, and a brake pad. The brake lever is disposed below the handle, the brake pad is fixed above the rear wheel assembly, and one end of the brake cable is connected to the brake lever and the other end is connected to the brake pad.

[0010] In some embodiments, the snap-fit ​​member includes an elastic member and a snap-fit ​​post disposed on the elastic member.

[0011] In some embodiments, the folding support assembly includes two cross-arranged supports, the lower end of which is pivotally connected to the lower side of the frame assembly, a connecting rod extending in the front-rear direction is provided at the upper end of the supports, a connecting component is provided between the middle of the supports and the upper side of the frame assembly, and both sides of the seat cushion are respectively connected to the connecting rod.

[0012] In some embodiments, a storage bag is provided on the front side of the folding bracket assembly.

[0013] Compared with the prior art, the present invention has at least the following beneficial effects: This invention provides a detachable four-wheeled walking aid structure, which is easy to assemble and disassemble, facilitates transportation for manufacturers, and reduces packaging and transportation costs. Furthermore, it is easy to install, allowing consumers to install and fold it for storage themselves. Attached Figure Description

[0014] Figure 1 This is a three-dimensional schematic diagram of the four-wheeled walking aid in the embodiment; Figure 2 This is an exploded view of the four-wheeled walking aid in the embodiment; Figure 3 yes Figure 1 A magnified view of part 5; Figure 4 This is a rear view of the four-wheeled walking aid in the embodiment. Detailed Implementation

[0015] The following embodiments illustrate the present invention, but the present invention is not limited to these embodiments. Modifications to the specific implementation of the present invention or equivalent substitutions for some technical features, without departing from the spirit of the present invention, should all be covered within the scope of the technical solution claimed by the present invention.

[0016] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, this embodiment provides a detachable four-wheeled walking aid structure, including frame assemblies 1 on both sides and folding bracket assemblies 2. The left and right sides of the frame assemblies 1 have the same structure, and the frame assemblies 1 are foldably connected together through the folding bracket assemblies 2.

[0017] The frame assembly 1 includes a main frame 11, a handlebar assembly 12, a front wheel assembly 13, and a rear wheel assembly 14, wherein the handlebar assembly 12 is detachably connected to the upper end of the main frame 11, the front wheel assembly 13 is detachably connected to the front end of the main frame 11, and the rear wheel assembly 14 is detachably connected to the rear end of the main frame 11.

[0018] Furthermore, the main frame 11 includes a first arc-shaped tube 111, a second arc-shaped tube 112, and a connecting tube 113. The connecting tube 113 connects the first arc-shaped tube 111 and the second arc-shaped tube 112, so that the main frame 11 is generally arranged in an A-shape. The lower end of the first arc-shaped tube 111 extends rearward and is detachably connected to the rear wheel assembly 14, and the lower end of the second arc-shaped tube 112 extends forward and is detachably connected to the front wheel assembly 13. This design is not only aesthetically pleasing but also stabilizes the weight of the walking aid, which is beneficial for the user's safe use.

[0019] This embodiment provides a detachable four-wheeled walking aid structure, which is easy to assemble and disassemble, convenient for manufacturers to transport, and reduces manufacturers' packaging and transportation costs. Furthermore, it is easy to install, allowing consumers to install and fold it for storage themselves.

[0020] Furthermore, a seat cushion 3 is provided on top of the folding support assembly 2; and a detachable backrest 4 is provided between the armrest assemblies on both sides. This design allows users to rest anytime and anywhere using this four-wheeled walking aid when they are tired from walking.

[0021] Furthermore, an adjustment structure 5 is provided between the armrest assembly 12 and the main frame 11 for adjusting the height of the armrest assembly 12 and the backrest 4. This allows users to personalize the height adjustment of the armrest assembly and backrest according to their comfort level, enhancing the user experience.

[0022] like Figure 3As shown, the adjustment structure 5 further includes a snap-fit ​​component 51; a plurality of adjustment holes 1111 spaced apart along the height direction are provided at the upper end of the first arc-shaped tube 111, and a connecting hole 121 is provided on the handrail assembly 12. The snap-fit ​​component 51 is disposed inside the handrail assembly 12, and the lower end of the handrail assembly 12 is inserted into the first arc-shaped tube 111. The connecting hole 121 and the corresponding adjustment hole 1111 are detachably connected together by the snap-fit ​​component 51. This design uses the snap-fit ​​component 51 to adjust the height, which is simple and convenient to operate.

[0023] Furthermore, the handle assembly 12 includes a handle, a brake grip 122, a brake cable, and a brake pad 123. The brake grip 122 is located below the handle, and the brake pad 123 is fixed above the rear wheel assembly 14. One end of the brake cable is connected to the brake grip 122, and the other end is connected to the brake pad 123. This allows the user to brake and adjust their speed independently when using this four-wheeled walking aid.

[0024] Furthermore, the snap-fit ​​component 51 includes an elastic member 511 and a snap-fit ​​post 512 disposed on the elastic member. This design is simple and reduces manufacturing costs.

[0025] like Figure 4 Furthermore, the folding support assembly 2 includes two intersecting supports 21. The lower ends of the supports 21 are pivotally connected to the lower side of the frame assembly 1. A connecting rod 22 extending in the front-rear direction is provided at the upper end of the supports 21. A connecting assembly 211 is provided between the middle of the supports 21 and the upper side of the frame assembly 1. The two sides of the seat cushion 3 are respectively connected to the connecting rod 22. This design allows the walker to be folded, reducing space occupation when not in use; at the same time, it strengthens the connection between the folding support assembly 2 and the frame assembly 1, enhancing safety during use.

[0026] Furthermore, a storage bag 6 is provided on the front side of the folding bracket assembly 2 for the user to place items.

[0027] The above descriptions are merely some embodiments of this utility model. For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and these all fall within the protection scope of this utility model.

Claims

1. A detachable four-wheeled walking aid structure, characterized in that: Includes frame assemblies (1) on both sides and folding bracket assemblies (2). The frame assemblies (1) have the same structure on both sides and are foldably connected together through the folding bracket assemblies (2). The frame assembly (1) includes a main frame (11), a handlebar assembly (12), a front wheel assembly (13), and a rear wheel assembly (14), wherein the handlebar assembly (12) is detachably connected to the upper end of the main frame (11), the front wheel assembly (13) is detachably connected to the front end of the main frame (11), and the rear wheel assembly (14) is detachably connected to the rear end of the main frame (11). The main frame (11) includes a first arc-shaped tube (111), a second arc-shaped tube (112), and a connecting tube (113). The connecting tube (113) is connected between the first arc-shaped tube (111) and the second arc-shaped tube (112) so that the main frame (11) is arranged in an A-shape. The lower end of the first arc-shaped tube (111) extends backward and is detachably connected to the rear wheel assembly (14). The lower end of the second arc-shaped tube (112) extends forward and is detachably connected to the front wheel assembly (13).

2. The detachable four-wheeled walking aid structure according to claim 1, characterized in that: A cushion (3) is provided on the top of the folding support assembly (2); A detachable backrest (4) is provided between the armrests on both sides.

3. The detachable four-wheeled walking aid structure according to claim 2, characterized in that: An adjustment structure (5) is provided between the armrest assembly (12) and the main frame (11) for adjusting the height of the armrest assembly (12) and the backrest (4).

4. The detachable four-wheeled walking aid structure according to claim 3, characterized in that: The adjustment structure (5) includes a snap-fit ​​component (51); A plurality of adjustment holes (1111) are provided at the upper end of the first arc-shaped tube (111) at intervals along the height direction. A connection hole (121) is provided on the handrail assembly (12). The snap-fit ​​member (51) is provided inside the handrail assembly (12). The lower end of the handrail assembly (12) is inserted into the first arc-shaped tube (111), and the connection hole (121) and the corresponding adjustment hole (1111) are detachably connected together by the snap-fit ​​member (51).

5. A detachable four-wheeled walking aid structure according to any one of claims 1-4, characterized in that: The armrest assembly (12) includes a handle, a brake grip (122), a brake cable, and a brake pad (123). The brake grip (122) is located below the handle, and the brake pad (123) is fixed above the rear wheel assembly (14). One end of the brake cable is connected to the brake grip (122), and the other end is connected to the brake pad (123).

6. The detachable four-wheeled walking aid structure according to claim 4, characterized in that: The snap-fit ​​member (51) includes an elastic member (511) and a snap-fit ​​post (512) disposed on the elastic member.

7. The detachable four-wheeled walking aid structure according to claim 4, characterized in that: The folding support assembly (2) includes two cross-arranged supports (21). The lower end of the support (21) is pivotally connected to the lower side of the frame assembly (1). A connecting rod (22) extending in the front-rear direction is provided at the upper end of the support (21). A connecting component (211) is provided between the middle of the support (21) and the upper side of the frame assembly (1). The two sides of the seat cushion (3) are respectively connected to the connecting rod (22).

8. A detachable four-wheeled walking aid structure according to any one of claims 1-4, characterized in that: A storage bag (6) is provided on the front side of the folding bracket assembly (2).

Images