A four-wheeled rollator

Abstract

The utility model discloses a four-wheel walking aid vehicle, it includes first walking aid vehicle support, second walking aid vehicle support and folding support, the first walking aid vehicle support includes first wheel support and first handrail support, and the first wheel support and the first handrail support butt joint, the second walking aid vehicle support includes second wheel support and second handrail support, and the second wheel support and the second handrail support butt joint, the folding support includes first support pole and second support pole, and the first support pole and the second support pole are X-shaped cross -linking between, and the first support pole and the second support pole can be folded and connect between the first walking aid vehicle support and the second walking aid vehicle support. The folding support of four-wheel walking aid vehicle of the utility model can be folded, and the walking aid vehicle support is driven to fold relatively, and the volume of walking aid vehicle is reduced after folding, and the user is convenient to store and carry, and, through adjusting pedal, disassembling handrail, placing cup body and carrying handrail, improve daily use convenience.

Description

Technical Field

[0001] This utility model belongs to the field of walking aid technology, specifically relating to a four-wheeled walking aid. Background Technology

[0002] The demand for walking aids is increasing among the elderly and those with mobility impairments. Walking bikes, as devices that assist walking, are widely used in rehabilitation training and daily travel, effectively improving users' independence and mobility. Currently, most walking bikes on the market are three-wheeled or four-wheeled, offering a certain degree of stability, and are equipped with handrails, brakes, and storage baskets. Some products also feature a folding function for easy storage and portability.

[0003] However, existing walking aids still have some shortcomings in their structural design. On the one hand, the folding structure of walking aids is complex, the folding steps are cumbersome, and the folded size is relatively large, making it inconvenient for users to store and carry, especially for elderly users with insufficient hand strength. On the other hand, existing walking aids have limited functional expandability. For example, auxiliary structures such as pedals, armrests, and cup holders cannot be disassembled or flexibly adjusted according to user needs, resulting in poor convenience in actual use and difficulty in balancing comfort and practicality.

[0004] Therefore, overcoming the shortcomings of the existing technology is an urgent problem to be solved in this technical field. Utility Model Content

[0005] In view of the technical problems mentioned in the background art, the purpose of this utility model is to provide a four-wheeled walking vehicle to solve the technical problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a four-wheeled walking aid, comprising a first walking aid frame, a second walking aid frame, and a folding frame. The first walking aid frame includes a first wheel frame and a first handrail frame, which are connected together. The second walking aid frame includes a second wheel frame and a second handrail frame, which are connected together. The folding frame includes a first support rod and a second support rod, which are X-shaped and cross-connected. The first support rod and the second support rod are foldable and connected between the first walking aid frame and the second walking aid frame.

[0007] Furthermore, the rear end of the first wheel bracket is connected to a first bracket connecting part, the lower end of the first handrail bracket is connected to a second bracket connecting part, the second bracket connecting part and the first bracket connecting part are fixedly connected, the rear end of the second wheel bracket is connected to a first bracket docking part, the lower end of the second handrail bracket is connected to a second bracket docking part, the second bracket docking part and the first bracket docking part are fixedly connected.

[0008] Furthermore, the lower end of the second bracket connecting part is connected to a first connecting sleeve, one end of the first connecting sleeve is connected to a first folded lower part, the upper end of the second bracket connecting part is connected to a second connecting sleeve, one end of the second connecting sleeve is provided with a first folded upper part, the lower end of the second bracket docking part is connected to a first folded sleeve, one end of the first folded sleeve is connected to a second folded lower part, the upper end of the second bracket docking part is connected to a second folded sleeve, one end of the second folded sleeve is provided with a second folded upper part.

[0009] Furthermore, the upper end of the first support rod is provided with a first folding connecting part adapted to the first folding upper part, the lower end of the first support rod is provided with a second folding connecting part adapted to the second folding lower part, the upper end of the second support rod is provided with a third folding connecting part adapted to the second folding upper part, and the lower end of the second support rod is provided with a fourth folding connecting part adapted to the first folding lower part. The first folding connecting part is hinged to the first folding upper part by fasteners, the second folding connecting part is hinged to the second folding lower part by fasteners, the third folding connecting part is hinged to the second folding upper part by fasteners, and the fourth folding connecting part is hinged to the first folding lower part by fasteners.

[0010] Furthermore, a first handrail connecting part is provided on one side of the second connecting sleeve, and a first detachable handrail is detachably connected to the first handrail connecting part; a second handrail connecting part is provided on one side of the second connecting sleeve, and a second detachable handrail is detachably connected to the second handrail connecting part.

[0011] Furthermore, one end of the second bracket connecting part is provided with a first mounting plug-in part, the upper part of the first mounting plug-in part is detachably connected to a first pedal bracket, one end of the second bracket connecting part is provided with a second mounting plug-in part, the upper part of the second mounting plug-in part is detachably connected to a second pedal bracket, the lower end of the first pedal bracket is adjustablely connected to a first foot pedal, and the lower end of the second pedal bracket is adjustablely connected to a second foot pedal.

[0012] Furthermore, a cup holder is provided on one side of the second connecting sleeve, and a cup is placed in the cup holder.

[0013] Furthermore, one side of the second folding rubber sleeve is provided with a handrail clip, and one side of the first folding rubber sleeve is provided with a handrail insert. A portable handrail is clipped into the handrail clip, and the lower end of the portable handrail is inserted into the handrail insert, thereby making the portable handrail detachably clipped into one side of the second walking aid bracket.

[0014] The present invention has the following advantages: the folding bracket includes a first bracket rod and a second bracket rod, which are arranged in an X-shape. The first bracket rod and the second bracket rod are hinged together by fasteners. The first bracket rod and the second bracket rod can be folded and connected between the first walking aid bracket and the second walking aid bracket. The folding bracket of the four-wheeled walking aid of the present invention can be folded up, which drives the walking aid bracket to fold relative to each other. After folding, the volume of the walking aid is reduced, making it convenient for users to store and carry. In addition, by adjusting the pedals, removing the handlebars, placing the cup body, and carrying the handlebars, the convenience of daily use is improved. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model.

[0016] Figure 2 This is a three-dimensional structural diagram of the first walking aid bracket, the second walking aid bracket, and the folding bracket of this utility model.

[0017] Figure 3 This is an exploded view of the first walking aid bracket of this utility model.

[0018] Figure 4 This is an exploded view of the second walking aid bracket of this utility model.

[0019] Figure 5 This is a three-dimensional structural diagram of the folding bracket of this utility model.

[0020] Figure 6 This is a schematic diagram of the first walking aid bracket, the second walking aid bracket, and the folding bracket of this utility model.

[0021] Reference numerals: First walking aid bracket 10; Second walking aid bracket 20; Folding bracket 30; First wheel bracket 11; First handrail bracket 12; First bracket connecting part 111; Second bracket connecting part 121; Second wheel bracket 21; Second handrail bracket 22; First bracket mating part 211; Second bracket mating part 221; First bracket rod 31; Second bracket rod 32; First connecting rubber sleeve 13; First folding lower part 131; Second connecting rubber sleeve 14; First folding upper part 141; First folding rubber sleeve 23; Second folding lower part 231; Second folding rubber sleeve 24; Second fold upper part 241; First fold connecting part 311; Second fold connecting part 312; Third fold connecting part 321; Fourth fold connecting part 322; First armrest connecting part 142; First detachable armrest 15; Second armrest connecting part 242; Second detachable armrest 25; First mounting plug-in part 122; First pedal bracket 16; Second mounting plug-in part 222; Second pedal bracket 26; First foot pedal 161; Second foot pedal 261; Cup holder 143; Cup body 17; Armrest clip part 243; Armrest insert part 232; Portable armrest 27. Detailed Implementation

[0022] like Figures 1 to 6 As shown, a four-wheeled walking aid includes a first walking aid bracket 10, a second walking aid bracket 20, and a folding bracket 30. The folding bracket 30 is foldably connected between the first walking aid bracket 10 and the second walking aid bracket 20. When in use, the folding bracket 30 can be folded up when not in use, thereby causing the first walking aid bracket 10 and the second walking aid bracket 20 to fold relative to each other. After folding, the size of the walking aid is reduced, making it convenient for users to store and carry.

[0023] In practical implementation, the first walking aid bracket 10 includes a first wheel bracket 11 and a first handrail bracket 12. The rear end of the first wheel bracket 11 is connected to a first bracket connecting part 111, and the lower end of the first handrail bracket 12 is connected to a second bracket connecting part 121. The second bracket connecting part 121 is fixedly connected to the first bracket connecting part 111, thereby connecting the first wheel bracket 11 and the first handrail bracket 12. The structure is simple and easy to assemble.

[0024] In practical implementation, the second walking aid bracket 20 includes a second wheel bracket 21 and a second handrail bracket 22. The rear end of the second wheel bracket 21 is connected to a first bracket docking part 211, and the lower end of the second handrail bracket 22 is connected to a second bracket docking part 221. The second bracket docking part 221 is fixedly docked with the first bracket docking part 211, thereby connecting the second wheel bracket 21 and the second handrail bracket 22. The structure is simple and easy to assemble.

[0025] In practical implementation, the folding bracket 30 includes a first bracket rod 31 and a second bracket rod 32. The first bracket rod 31 and the second bracket rod 32 are arranged in an X-shape and are connected by fasteners. The structure is simple and easy to assemble.

[0026] In practical implementation, the lower end of the second bracket connecting part 121 is connected to a first connecting sleeve 13, one end of the first connecting sleeve 13 is connected to a first folding lower part 131, the upper end of the second bracket connecting part 121 is connected to a second connecting sleeve 14, one end of the second connecting sleeve 14 is provided with a first folding upper part 141, the lower end of the second bracket docking part 221 is connected to a first folding sleeve 23, one end of the first folding sleeve 23 is connected to a second folding lower part 231, and the second bracket... The upper end of the bracket docking part 221 is connected to a second folding rubber sleeve 24. One end of the second folding rubber sleeve 24 is provided with a second folding upper part 241. The upper end of the first support rod 31 is provided with a first folding connecting part 311 that is adapted to the first folding upper part 141. The lower end of the first support rod 31 is provided with a second folding connecting part 312 that is adapted to the second folding lower part 231. The upper end of the second support rod 32 is provided with a third folding connecting part 321 that is adapted to the second folding upper part 241. The lower end of 32 is provided with a fourth folding connecting part 322 adapted to the first folding lower part 131. During installation, the first folding connecting part 311 is hinged to the first folding upper part 141 by fasteners, the second folding connecting part 312 is hinged to the second folding lower part 231 by fasteners, the third folding connecting part 321 is hinged to the second folding upper part 241 by fasteners, and the fourth folding connecting part 322 is hinged to the first folding lower part 131 by fasteners. This allows the first support rod 31 and the second support rod 32 to be folded and connected between the first walking aid bracket 10 and the second walking aid bracket 20. In use, the first support rod 31 and the second support rod 32 are connected in an X-shape and hinged to each other by fasteners. They are respectively hinged to the first walking aid bracket 10 and the second walking aid bracket 20. Through the four sets of hinged connection parts, a linkage folding structure is formed, realizing the flexible extension and retraction of the entire bracket. In practical use, when the user needs to fold and store the walking aid, the user can push or pull either the first walking aid bracket 10 or the second walking aid bracket 20 (for example, by holding the handlebar and pushing inward or pulling outward). This causes the first bracket rod 31 and the second bracket rod 32 to rotate relative to each other along their respective hinge points, thereby driving the entire walking aid structure to fold longitudinally. The folding action requires no additional tools, making it convenient and effortless to operate, suitable for the elderly or users with mobility impairments. After folding, the overall size of the walking aid is significantly reduced, with all bracket components fitting tightly together, significantly reducing the space occupied. Users can easily put the walking aid into small spaces such as car trunks, corners of homes, and storage cabinets, achieving convenient storage and carrying, especially suitable for short trips, travel, and daily home use.

[0027] In practical implementation, one side of the second connecting sleeve 14 is provided with a first handrail connecting part 142, on which a first detachable handrail 15 is detachably connected. One side of the second connecting sleeve 24 is provided with a second handrail connecting part 242, on which a second detachable handrail 25 is detachably connected. In use, when the user needs to store the walking aid in a small space, the first detachable handrail 15 and the second detachable handrail 25 can be removed to further reduce the overall size. Furthermore, the replaceability of the first detachable handrail 15 and the second detachable handrail 25 allows users to choose handrail components of different shapes, sizes, or materials according to their height, hand posture, or gripping needs, enhancing personalized experience and user comfort.

[0028] In practical implementation, one end of the second bracket connecting part 121 is provided with a first mounting plug-in part 122, the upper part of which is detachably connected to a first pedal bracket 16. One end of the second bracket docking part 221 is provided with a second mounting plug-in part 222, the upper part of which is detachably connected to a second pedal bracket 26. The lower end of the first pedal bracket 16 is adjustablely connected to a first foot pedal 161, and the lower end of the second pedal bracket 26 is adjustablely connected to a second foot pedal 261. During use, the user can adjust the position of the first foot pedal 161 and the second foot pedal 261 up and down according to their own height and leg comfort needs. The adjustment method is multi-position plug-in adjustment (achieved through locking pin and adjustment hole structure). During the adjustment process, the first foot pedal 161 moves up and down along the first pedal bracket 16, and the second foot pedal 261 moves up and down along the second pedal bracket 26, achieving wide adaptation to users of different body types.

[0029] In specific implementation, a cup holder 143 is provided on one side of the second connecting sleeve 14. The cup holder 143 holds the cup body 17. When in use, the user can remove the cup body 17, so that the user can place the water cup, thermos cup or other small beverage container directly in the cup holder 143. The cup holder's wrapping support structure fixes the water cup, preventing it from slipping or tipping over, thus improving the convenience of daily use.

[0030] In practical implementation, the second folding rubber sleeve 24 has a handrail clip 243 on one side, and the first folding rubber sleeve 23 has a handrail insert 232 on one side. A portable handrail 27 is clipped into the handrail clip 243, and the lower end of the portable handrail 27 is inserted into the handrail insert 232, so that the portable handrail 27 can be detachably and stably clipped into one side of the second walking aid bracket 20. When in use, the lower end of the portable handrail 27 is inserted into the handrail insert 232, and the upper end is clipped into the handrail clip 243, so that the portable handrail 27 is firmly connected to one side of the second walking aid bracket 20. When disassembling, the user can easily pull the portable handrail 27 upwards for easy storage or replacement.

[0031] In summary, the folding bracket 30 includes a first bracket rod 31 and a second bracket rod 32, which are arranged in an X-shape. The first bracket rod 31 and the second bracket rod 32 are hinged together by fasteners. The first bracket rod 31 and the second bracket rod 32 can be folded and connected between the first walking aid bracket 10 and the second walking aid bracket 20. The folding bracket of the four-wheeled walking aid of this utility model can be folded up, which drives the walking aid bracket to fold relative to each other. After folding, the volume of the walking aid is reduced, making it convenient for users to store and carry. Furthermore, by adjusting the pedals, removing the handlebars, placing the cup, and carrying the handlebars, the convenience of daily use is improved.

Claims

1. A four-wheeled walking aid, characterized in that, It includes a first walking aid bracket (10), a second walking aid bracket (20), and a folding bracket (30). The first walking aid bracket (10) includes a first wheel bracket (11) and a first handrail bracket (12), which are connected together. The second walking aid bracket (20) includes a second wheel bracket (21) and a second handrail bracket (22), which are connected together. The folding bracket (30) includes a first support rod (31) and a second support rod (32), which are connected in an X-shape. The first support rod (31) and the second support rod (32) are foldable and connected between the first walking aid bracket (10) and the second walking aid bracket (20).

2. The four-wheeled walking aid according to claim 1, characterized in that, The rear end of the first wheel bracket (11) is connected to a first bracket connecting part (111), the lower end of the first handrail bracket (12) is connected to a second bracket connecting part (121), the second bracket connecting part (121) and the first bracket connecting part (111) are fixedly connected, the rear end of the second wheel bracket (21) is connected to a first bracket docking part (211), the lower end of the second handrail bracket (22) is connected to a second bracket docking part (221), the second bracket docking part (221) and the first bracket docking part (211) are fixedly connected.

3. The four-wheeled walking aid according to claim 2, characterized in that, The lower end of the second bracket connecting part (121) is connected to a first connecting sleeve (13), one end of the first connecting sleeve (13) is connected to a first folding lower part (131), the upper end of the second bracket connecting part (121) is connected to a second connecting sleeve (14), one end of the second connecting sleeve (14) is provided with a first folding upper part (141), the lower end of the second bracket docking part (221) is connected to a first folding sleeve (23), one end of the first folding sleeve (23) is connected to a second folding lower part (231), the upper end of the second bracket docking part (221) is connected to a second folding sleeve (24), one end of the second folding sleeve (24) is provided with a second folding upper part (241).

4. The four-wheeled walking aid according to claim 3, characterized in that, The upper end of the first support rod (31) is provided with a first folding connecting part (311) adapted to the first folding upper part (141), the lower end of the first support rod (31) is provided with a second folding connecting part (312) adapted to the second folding lower part (231), the upper end of the second support rod (32) is provided with a third folding connecting part (321) adapted to the second folding upper part (241), and the lower end of the second support rod (32) is provided with a third folding connecting part (321) adapted to the first folding lower part (131). The four-fold connecting parts (322) are connected by fasteners: the first fold connecting part (311) is hinged to the first fold upper part (141), the second fold connecting part (312) is hinged to the second fold lower part (231), the third fold connecting part (321) is hinged to the second fold upper part (241), and the fourth fold connecting part (322) is hinged to the first fold lower part (131).

5. The four-wheeled walking aid according to claim 4, characterized in that, The second connecting sleeve (14) has a first handrail connecting part (142) on one side, and a first detachable handrail (15) is detachably connected to the first handrail connecting part (142). The second folding sleeve (24) has a second handrail connecting part (242) on one side, and a second detachable handrail (25) is detachably connected to the second handrail connecting part (242).

6. The four-wheeled walking aid according to claim 5, characterized in that, One end of the second bracket connecting part (121) is provided with a first mounting plug-in part (122). The upper part of the first mounting plug-in part (122) is detachably connected to a first pedal bracket (16). One end of the second bracket docking part (221) is provided with a second mounting plug-in part (222). The upper part of the second mounting plug-in part (222) is detachably connected to a second pedal bracket (26). The lower end of the first pedal bracket (16) is adjustablely connected to a first foot pedal (161). The lower end of the second pedal bracket (26) is adjustablely connected to a second foot pedal (261).

7. The four-wheeled walking aid according to claim 6, characterized in that, The second connecting sleeve (14) has a cup holder (143) on one side, and a cup (17) is placed in the cup holder (143).

8. The four-wheeled walking aid according to claim 7, characterized in that, The second folding rubber sleeve (24) has a handrail clip (243) on one side, and the first folding rubber sleeve (23) has a handrail insert (232) on one side. A portable handrail (27) is clipped into the handrail clip (243), and the lower end of the portable handrail (27) is inserted into the handrail insert (232), so that the portable handrail (27) can be detachably clipped into one side of the second walking aid bracket (20).

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