Walking aid convenient to disassemble and assemble

Abstract

The utility model relates to the field of rehabilitation instruments, in particular to a rollator convenient to disassemble and assemble, which comprises a support frame, a front wheel, a rear wheel, a hand-push handrail and a pedal component, the support frame comprises a movable support and a fixed support, the movable support is movably hinged with the fixed support, and the hand-push handrail is provided with a fixedly connected hand-push connecting rod. The hand-push connecting rod is detachably connected with the fixed support, the bottom end of the movable support is provided with a detachably-connected quick-release front leg rod, the front wheel rotates at the bottom end of the quick-release front leg rod in a limited mode, the bottom end of the fixed support is provided with a detachably-connected quick-release rear leg rod, the rear wheel rotates at the bottom end of the quick-release rear leg rod in a limited mode, and the pedal assembly is detachably connected with the quick-release front leg rod. The foldable rollator can be simply and quickly folded and unfolded, the problem of storage of the pedals is solved, the rollator can be in a flat state after being folded, the whole rollator can be quickly disassembled and assembled, the rollator can be in a good flat state after being stored, and storage space is saved.

Description

Technical Field

[0001] This utility model relates to the field of rehabilitation equipment, and in particular to a walking aid. Background Technology

[0002] Walking aids are utility vehicles used to assist walking, especially suitable for the elderly or people with mobility issues such as leg, hand, or foot problems. Existing walking aids, in addition to assisting people with limited mobility, also provide seats for those with mobility impairments. Therefore, walking aids are equipped with seats and footrests. However, because the footrests are connected to the wheels, the footrest area always protrudes when the walking aid is disassembled or folded, making it impossible to achieve a flat surface after folding or disassembly. Furthermore, existing walking aids only allow partial hinged movement of the frame during disassembly and assembly. Due to the long main pole or the large size of the non-removable frame section, large-sized packaging boxes are required for packaging and transportation, resulting in higher shipping costs.

[0003] The technical problem to be solved by this application is: how to solve the problem of the large size of the logistics packaging for mobility aids. Utility Model Content

[0004] In order to overcome the shortcomings of the existing technology, the purpose of this utility model is to provide a walking aid that is easy to assemble and disassemble.

[0005] The technical solution adopted by this utility model is as follows: a walking aid that is easy to assemble and disassemble, including a support frame, a front wheel, a rear wheel, a push handle, and a foot pedal assembly. The support frame includes a movable bracket and a fixed bracket, which are movably hinged together. The push handle is provided with a fixedly connected push connecting rod, which is detachably connected to the fixed bracket. The bottom end of the movable bracket is provided with a detachable quick-release front leg rod, which limits the rotation of the front wheel at the bottom end of the quick-release front leg rod. The bottom end of the fixed bracket is provided with a detachable quick-release rear leg rod, which limits the rotation of the rear wheel at the bottom end of the quick-release rear leg rod. The foot pedal assembly is detachably connected to the quick-release front leg rod.

[0006] In some embodiments, the movable support and the fixed support are connected by a handrail connector. The side of the handrail connector near the movable support is movably hinged to one end of the movable support, and the side near the fixed support is sleeved on the top of the fixed support. The handrail connector is fixed to the fixed support by a handrail fixing shaft.

[0007] In some embodiments, a fixed bracket is fitted onto the outer wall of the push-pull connecting rod, and the push-pull connecting rod has several height adjustment holes arranged along the axial direction of the push-pull connecting rod. The handrail fixing shaft passes through the fixed bracket and through the height adjustment holes.

[0008] In some embodiments, the push-connecting rod is provided with a plurality of positioning grooves arranged along the axial direction of the push-connecting rod. The fixed bracket is provided with a positioning strip, and the side wall of the positioning strip is provided with a positioning hole, a positioning spring and a positioning bead. The positioning spring and the positioning bead are arranged in the positioning hole. The positioning spring ensures that the positioning bead always abuts against the side wall of the push-connecting rod. The opening of the positioning groove faces the positioning bead, and the positioning bead abuts against the wall of a certain positioning groove.

[0009] In some embodiments, the bottom end of the fixed bracket is provided with a quick-release connecting rear tube, the upper end of which is fixedly sleeved on the bottom end of the fixed bracket and the lower end is movably sleeved on the top of the quick-release rear leg rod. The quick-release connecting rear tube and the quick-release rear leg rod are connected by a quick-release connecting rear shaft.

[0010] In some embodiments, the foot pedal assembly includes a foot pedal and a hook seat, the foot pedal being connected to the hook seat, the hook seat having a fixing groove facing the ground, and a fixing protrusion at the bottom of the quick-release front leg bar, the hook seat being detachably connected to the fixing protrusion via the fixing groove.

[0011] In some embodiments, the bottom end of the movable support is provided with a front leg connector, which is fixedly connected to the bottom end of the movable support. The front leg connector is connected to the quick-release front leg rod via a quick-release front axle.

[0012] In some embodiments, the foot pedal assembly includes a foot pedal bend, one end of which is connected to the foot pedal and the other end is fixedly connected to the hook seat.

[0013] In some embodiments, the seat includes an armrest, and a movable connector and a movable connecting seat are provided between the armrest and the movable support. The movable connecting seat is connected to the movable support, and the two ends of the movable connector are respectively movably hinged to the armrest and the movable connecting seat.

[0014] In some embodiments, the seat includes a seat cushion, two movable supports are fixedly connected by a front crossbar, two fixed supports are fixedly connected by a rear crossbar, and the bottom of the seat cushion is movably engaged with the front and rear crossbars.

[0015] The beneficial effects of this utility model are as follows:

[0016] This easy-to-assemble and disassemble walking bicycle utilizes multiple detachable structures to achieve quick-release connections between various parts of the overall frame. The movable and fixed supports can be hinged to allow for rapid opening and closing. The push-pull connecting rod, quick-release front leg rod, and quick-release rear leg rod further shorten the overall length of the frame. The quick-release pedal assembly reduces the thickness of the packaged product and increases the flatness of the overall packaging. When assembling or disassembling the walking bicycle, it can be easily and quickly folded and unfolded, solving the packaging problem of the entire frame. After being stored and disassembled, the walking bicycle can achieve a relatively flat state, realizing quick assembly and disassembly of the entire vehicle and achieving a good flat state after storage, saving packaging space and transportation costs. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 A cross-sectional schematic diagram of the connection structure between the fixed bracket and the handrail push connecting rod;

[0019] The labels and names in the diagram correspond as follows: 1. Support frame; 2. Hand-push frame; 3. Seat cushion; 4. Front wheel; 5. Rear wheel; 6. Foot pedal assembly; 11. Movable bracket; 12. Fixed bracket; 13. Armrest connector; 14. Armrest fixing shaft; 15. Quick-release connecting rear tube; 16. Quick-release rear leg bar; 17. Quick-release front leg bar; 18. Front leg connector; 19. Positioning strip; 111. Seat armrest; 112. Movable connector; 171. Fixing protrusion; 191. Positioning hole; 192. Positioning spring; 193. Positioning bead; 21. Hand-push armrest; 22. Hand-push connecting rod; 221. Height adjustment hole; 222. Positioning groove; 61. Foot pedal; 62. Foot pedal bend; 63. Hook seat; 631. Fixing groove. Detailed Implementation

[0020] The technical solutions of the present utility model 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 utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1 This utility model provides a technical solution: a walking aid that is easy to assemble and disassemble, including a support frame 1, a pusher frame 2, a seat 3, a front wheel 4, a rear wheel 5, and a foot pedal assembly 6. The support frame 1 is connected to the pusher frame, and the front wheel 4 and the rear wheel 5 are respectively connected to the support frame 1.

[0022] Please see Figures 1-2The support frame 1 includes a movable support 11 and a fixed support 12, which are movably hinged together. A hinged connecting rod is provided between the movable support 11 and the fixed support 12 to limit the maximum opening angle of the movable support 11 and the fixed support 12. The movable support 11 and the fixed support 12 are connected by a handrail connector 13. The side of the handrail connector 13 near the movable support 11 is movably hinged to one end of the movable support 11, and the side near the fixed support 12 is sleeved on the top of the fixed support 12. The handrail connector 13 is fixed to the fixed support 12 by a handrail fixing shaft 14. The fixed support 12 is provided with a fixing hole, and the handrail fixing shaft 14 passes through the handrail connector 13 and the fixing hole in sequence. The armrest connector 13 is equipped with a hinged seat armrest 111. To support the angle of the seat armrest 111, a movable connector 112 and a movable connecting seat are provided between the seat armrest 111 and the movable support 11. The movable connecting seat is connected to the movable support 11, and both ends of the movable connector 112 are hinged to the seat armrest 111 and the movable connecting seat, respectively. When the movable support 11 rotates toward the fixed support 12, the movable connector 112 and the seat armrest rotate accordingly. Since movable supports 11 and fixed supports 12 are provided on both sides of the walking aid, the two movable supports 11 are fixedly connected by a front crossbar, and the two fixed supports 12 are fixedly connected by a rear crossbar. The width of the seat cushion 3 is greater than the maximum distance between the front and rear crossbars, and the bottom of the seat cushion 3 is movably secured to the front and rear crossbars. To facilitate the storage of items, a storage box is provided under the seat cushion 3, and the storage box is secured to the front and rear crossbars. For greater safety, a backrest is provided between the seat cushion armrests 111, and the two ends of the backrest are fixedly connected to the corresponding seat cushion armrests 111.

[0023] The push-pull frame 2 includes a push-pull handle 21 and a push-pull connecting rod 22. The push-pull handle 21 is fixedly mounted on the push-pull connecting rod 22, and a fixing bracket 12 is sleeved on the outer wall of the push-pull connecting rod 22. The push-pull connecting rod 22 has several height adjustment holes 221 arranged along the axial direction of the push-pull connecting rod 22. The handle fixing shaft 14 passes through the height adjustment holes 221 to fix the positional relationship between the push-pull connecting rod 22 and the fixing bracket 12. To clearly observe the specific height of the push-pull connecting rod 222, each height adjustment hole 221 is numbered according to its position. The push-pull handle 21 has a braking function.

[0024] The bottom end of the fixed bracket 12 is provided with a quick-release connecting rear tube 15 and a quick-release rear leg rod 16. The bottom end of the quick-release rear leg rod 16 is rotatably connected to the rear wheel 5. The upper end of the quick-release connecting rear tube 15 is fixedly sleeved on the bottom end of the fixed bracket 12, and the lower end is movably sleeved on the top of the quick-release rear leg rod. The quick-release connecting rear tube 15 is provided with a quick-release connecting rear axle. The quick-release connecting rear axle passes through the two side walls of the quick-release connecting rear tube 15 and the two side walls of the quick-release rear leg rod 16 and is threadedly connected to the quick-release connecting rear nut to fix the position between the quick-release connecting rear tube 15 and the quick-release rear leg rod 16. The cooperation between the quick-release connecting rear axle and the quick-release connecting rear nut enables quick release between the quick-release connecting rear tube 15 and the quick-release rear leg rod 16.

[0025] The bottom of the movable support 11 is provided with a quick-release front leg rod 17 and a front leg connector 18. The bottom of the quick-release front leg rod 17 is rotatably connected to the front wheel 4, and the top of the front leg connector 18 is fixedly connected to the bottom of the movable support 11. The front leg connector 18 is also connected to the top of the quick-release front leg rod 17 through a quick-release connecting front axle. The quick-release connecting front axle passes through the two side walls of the front leg connector 18 and the two side walls of the quick-release front leg rod 17 and is threadedly connected to the quick-release connecting front nut. The cooperation between the quick-release connecting front axle and the quick-release connecting front nut enables quick release between the quick-release front leg rod 17 and the front leg connector 18.

[0026] The bottom end of the quick-release front leg bar 17 is provided with a fixing protrusion 171, which is set on a fixed seat. Two fixing protrusions 171 are respectively set on two opposite side walls of the fixed seat. The fixed seat is fixedly connected to the bottom end of the quick-release front leg bar 17, and the front wheel 4 is set below the fixed seat. The pedal assembly 6 includes a pedal 61, a pedal bend 62, and a hook seat 63. One end of the pedal bend 62 is connected to the pedal 61, and the other end is fixedly connected to the hook seat 63. The hook seat 63 is provided with a fixing groove 631 facing the ground. The width of the fixing groove 631 is the same as the width of the fixing protrusion 171. When the pedal 61 needs to be connected to the quick-release front leg bar 17, the fixing groove 631 hooks the fixing protrusion 171, and the inner wall of the hook seat 63 abuts against the outer wall of the fixed seat, thereby fixing the position of the hook seat 63 on the quick-release front leg bar 17. The fixing protrusion 171 and the hook seat 63 realize the quick release of the pedal.

[0027] To further position the push-pull connecting rod 22, in this embodiment, preferably, the push-pull connecting rod 22 is provided with a plurality of positioning grooves 222 arranged along the axial direction of the push-pull connecting rod 22. A positioning strip 19 is fixedly provided inside the fixed bracket 12. The side wall of the positioning strip 19 is provided with a positioning hole 191, a positioning spring 192 and a positioning bead 193. The positioning spring 192 is arranged in the positioning hole 191. The positioning spring 192 ensures that the positioning bead 193 always abuts against the side wall of the push-pull connecting rod 22. The opening of the positioning groove 222 faces the positioning bead 193. When the positioning bead 193 slides into a certain positioning groove 222, that is, when the positioning bead 193 abuts against the groove wall of a certain positioning groove 222, it means that the fixed hole and a certain height adjustment hole 221 are on the same axis. The handrail fixing shaft 14 can pass through the fixed hole and the height adjustment hole 221 at the same time.

[0028] The overall frame of this embodiment can be disassembled and assembled in several parts, and the overall disassembly and assembly can achieve a smaller packaging size.

[0029] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the 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 this utility model should be included within the protection scope of this utility model.

Claims

1. A walking aid that is easy to assemble and disassemble, comprising a support frame (1), a front wheel (4), a rear wheel (5), a push handle (21), and a foot pedal assembly (6), characterized in that, The support frame (1) includes a movable bracket (11) and a fixed bracket (12), which are movably hinged together. The push handle (21) is provided with a fixedly connected push connecting rod (22), which is detachably connected to the fixed bracket (12). The bottom end of the movable bracket (11) is provided with a detachable quick-release front leg rod (17), and the front wheel (4) is limited to rotating at the bottom end of the quick-release front leg rod (17). The bottom end of the fixed bracket (12) is provided with a detachable quick-release rear leg rod (16), and the rear wheel (5) is limited to rotating at the bottom end of the quick-release rear leg rod (16). The foot pedal assembly (6) is detachably connected to the quick-release front leg rod (17).

2. The conveniently detachable walking vehicle according to claim 1, characterized in that, The movable support (11) and the fixed support (12) are connected by a handrail connector (13). The side of the handrail connector (13) near the movable support (11) is movably hinged to one end of the movable support (11), and the side near the fixed support (12) is sleeved on the top of the fixed support (12). The handrail connector (13) is fixed to the fixed support (12) through a handrail fixing shaft (14).

3. The conveniently detachable walking vehicle according to claim 2, characterized in that, The fixed bracket (12) is sleeved on the outer wall of the push connecting rod (22). The push connecting rod (22) has a number of height adjustment holes (221) arranged along the axial direction of the push connecting rod (22). The handrail fixing shaft (14) passes through the fixed bracket (12) and through the height adjustment holes (221).

4. The conveniently detachable walking vehicle according to claim 3, characterized in that, The push-pull connecting rod (22) is provided with a plurality of positioning grooves (222) arranged along the axial direction of the push-pull connecting rod (22). The fixed bracket (12) is provided with a positioning strip (19). The side wall of the positioning strip (19) is provided with a positioning hole (191), a positioning spring (192) and a positioning bead (193). The positioning spring (192) and the positioning bead (193) are arranged in the positioning hole (191). The positioning spring (192) makes the positioning bead (193) always abut against the side wall of the push-pull connecting rod (22). The opening of the positioning groove (222) faces the positioning bead (193). The positioning bead (193) abuts against the groove wall of a certain positioning groove (222).

5. The conveniently detachable walking vehicle according to claim 1, characterized in that, The bottom end of the fixed bracket (12) is provided with a quick-release connecting rear tube (15). The upper end of the quick-release connecting rear tube (15) is fixedly sleeved on the bottom end of the fixed bracket (12), and the lower end is movably sleeved on the top of the quick-release rear leg rod. The quick-release connecting rear tube (15) and the quick-release rear leg rod (16) are connected by a quick-release connecting rear shaft.

6. The conveniently detachable walking vehicle according to claim 1, characterized in that, The foot pedal assembly (6) includes a foot pedal (61) and a hook seat (63). The foot pedal (61) is connected to the hook seat (63). The hook seat (63) is provided with a fixing groove (631) facing the ground. The bottom end of the quick-release front leg bar (17) is provided with a fixing protrusion (171). The hook seat (63) is detachably connected to the fixing protrusion (171) through the fixing groove (631).

7. The conveniently detachable walking vehicle according to claim 1, characterized in that, The bottom end of the movable support (11) is provided with a front leg connector (18), which is fixedly connected to the bottom end of the movable support (11). The front leg connector (18) and the quick-release front leg rod (17) are connected to the front axle via a quick-release connection.

8. The conveniently detachable walking vehicle according to claim 1, characterized in that, The foot pedal assembly (6) includes a foot pedal bend (62), one end of which is connected to the foot pedal (61) and the other end is fixedly connected to the hook seat (63).

9. The conveniently detachable walking vehicle according to claim 1, characterized in that, Includes a seat armrest (111), and a movable connector (112) and a movable connecting seat are provided between the seat armrest (111) and the movable support (11). The movable connecting seat is connected to the movable support (11), and the two ends of the movable connector (112) are respectively hinged to the seat armrest (111) and the movable connecting seat.

10. The conveniently detachable walking vehicle according to claim 1, characterized in that, Includes a seat cushion (3), two movable supports (11) are fixedly connected by a front crossbar, two fixed supports (12) are fixedly connected by a rear crossbar, and the bottom of the seat cushion (3) is movably locked onto the front and rear crossbars.

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