Two-in-one walking aid

Abstract

The utility model relates to the field of walking aids, and discloses a two-in-one walking aid which comprises a knee cart, the knee cart comprises a frame, a handlebar at the front end of the frame and rollers located at the bottom of the frame, and a leg placing assembly used for placing the legs of the disabled is arranged in the middle of the frame. The leg placing assembly comprises a supporting column inserted into the frame and a supporting seat located at the upper end of the supporting column and used for placing legs, an anti-deflection mechanism for preventing the supporting column from deflecting relative to the frame is arranged between the supporting column and the frame, and an anti-skid crutch pad capable of being installed at the bottom of the supporting column when the supporting column is separated from the frame is detachably arranged at the bottom of the supporting seat. The walking aid can be quickly switched between the knee cart and the walking stick.

Description

Technical Field

[0001] The utility model relates to the field of walking aids, in particular to a two-in-one walking aid. Background Art

[0002] Disabled people with leg disabilities need to rely on crutches to walk. Crutches are small and light and can be brought into the room without taking up much space. However, walking with crutches alone is slow and prone to fatigue.

[0003] There is also a kind of walker called knee stroller on the market. The structure of the knee stroller disclosed in Chinese patent publication number CN207445182 includes a frame, wheels arranged at the bottom of the frame and leg pads for placing the legs. The leg pads are detachably arranged on a liftable movable support and locked to the frame by a position locking assembly.

[0004] The disabled person puts his disabled leg on the leg pad, holds the handlebars, and uses his healthy legs to support himself and slide. This is both labor-saving and quick, but the knee bike is large in size and inconvenient to move indoors. Utility Model Content

[0005] The utility model aims at the shortcomings of the prior art that crutches are slow and prone to fatigue and knee strollers are not conducive to indoor movement, and provides a two-in-one walker that can be switched between a knee stroller and a crutch. The user can switch to the knee stroller mode outdoors and switch to the crutch mode indoors, thereby increasing applicability.

[0006] In order to solve the above technical problems, the utility model is solved by the following technical solutions:

[0007] A two-in-one walker comprises a knee stroller, which comprises a frame, a handlebar at the front end of the frame and rollers at the bottom of the frame; a leg rest assembly for placing disabled legs is arranged in the middle of the frame; the leg rest assembly comprises a support column plugged into the frame and a support seat at the upper end of the support column for resting the legs; an anti-deflection mechanism is arranged between the support column and the frame to prevent the support column from deflecting relative to the frame; a non-slip pad is detachably arranged at the bottom of the support seat and can be installed at the bottom of the support column when the support column is detached from the frame.

[0008] By adopting the above scheme, when the anti-skid pad is stored under the support seat, the walker switches to the knee-car mode, and the user can place the calf of the disabled leg on the support seat, hold the handlebars with hands, and use the healthy leg to push the ground for assistance to achieve rapid sliding; when the support column is pulled out, the anti-skid pad can be installed at the bottom of the support column, and the user can use the assembly consisting of the support seat, support column and anti-skid pad as a crutch to pass through a small space indoors.

[0009] Preferably, the anti-deflection mechanism comprises a non-circular slot recessed at the upper end of the middle portion of the frame, and the cross-section of the support column is configured to be non-circular and adapted to the slot.

[0010] By adopting the above solution, after the support column and the slot are set to be non-circular, the support column will not rotate relative to the frame, thereby achieving the effect of preventing the deflection of both.

[0011] Preferably, an elastic layer is provided at the slot opening to increase damping between the support column and the slot.

[0012] By adopting the above solution, the elastic layer can be provided to increase damping and reduce shaking. The support column can be pulled out by applying a certain force, and installation or disassembly is very convenient.

[0013] Preferably, the anti-skid pad is made of elastic material.

[0014] Preferably, the upper end surface of the anti-skid pad is recessed with a socket for elastic interference fit insertion of the bottom of the support column, and a mounting column is convexly provided at the bottom of the support seat on one side of the support column, which can be elastically inserted into the socket to accommodate the anti-skid pad.

[0015] With the above solution, when the walker is switched to the knee-mobile mode, the anti-skid pad is installed on the mounting column for storage, so that it can be taken out and used at any time.

[0016] Preferably, a leg blocking assembly for blocking the resting legs from moving forward is vertically arranged at one end of the support seat close to the handlebar.

[0017] Preferably, the leg blocking assembly comprises upright posts fixed vertically and parallelly on the support seat, and a flexible blocking layer arranged between the upright posts for the thigh of the placed leg to abut against.

[0018] By adopting the above solution, the leg blocking assembly can play a flexible blocking role, preventing the resting leg from excessively moving forward and sliding out of the support seat.

[0019] Preferably, a handrail for grasping is fixed between the upper ends of the columns.

[0020] With the above solution, when the walker is switched to the crutch mode, the handrail is convenient for the user to apply force and grasp.

[0021] Preferably, the upper end of the support seat is configured to be in a concave arc shape that fits the resting leg.

[0022] Preferably, a restraining belt for restraining the resting legs is provided at the upper end of the support seat, one end of the restraining belt is fixed to the support seat, and the other end is detachably provided on the support seat.

[0023] By adopting the above solution, the restraint belt can bind the legs to the support seat to limit the movement of the legs.

[0024] The utility model adopts the above technical scheme, which has significant technical effects: a non-slip pad is detachably arranged at the lower end of the knee stroller, and when the non-slip pad is stored under the support seat, the walker is switched to the knee stroller mode, and the user can place the calf of the disabled leg on the support seat, hold the handlebars with hands, and use the healthy leg to push the ground for assistance, so as to achieve rapid sliding; when the support column is pulled out, the non-slip pad can be installed at the bottom of the support column, and the user can use the assembly composed of the support seat, the support column and the non-slip pad as a crutch to pass through a narrow room. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is an axonometric view of a two-in-one walker of the present embodiment when switched to a knee stroller;

[0026] Figure 2 is a partial disassembled diagram of a two-in-one walking aid of this embodiment;

[0027] Figure 3 It is an axonometric diagram of the two-in-one walker of this embodiment when it is switched to a crutch.

[0028] The names of the parts indicated by the numerical labels in the above figures are as follows: 1. frame; 101, slot; 2, roller; 3, handlebar; 4, support seat; 5, support column; 6, column; 7, handrail; 8, flexible barrier layer; 9, restraint belt; 10, anti-slip pad; 11, mounting column. DETAILED DESCRIPTION

[0029] The utility model is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0030] Example

[0031] A two-in-one walking aid, referring to Figure 1-Figure 3 As shown, the knee bike includes a frame 1, a handlebar 3 at the front end of the frame 1 and a roller 2 located at the bottom of the frame 1. In this embodiment, there are four rollers 2, two of which are rotatably connected at the front and rear. A leg rest assembly for placing disabled legs is arranged in the middle of the frame 1. The leg rest assembly includes a support column 5 plugged into the frame 1 and a support seat 4 for resting the legs located at the upper end of the support column 5. An anti-deflection mechanism is arranged between the support column 5 and the frame 1 to prevent the support column 5 from deflecting relative to the frame 1. The anti-deflection mechanism includes a non-circular slot 101 recessed at the upper end of the middle part of the frame 1. The cross-section of the support column 5 is arranged to be non-circular and compatible with the slot 101. In this embodiment, the cross-sections of the slot 101 and the support column 5 are regular hexagons. An elastic layer for increasing the damping between the support column 5 and the slot 101 is arranged at the opening of the slot 101. In this embodiment, the elastic layer is a rubber layer. After the elastic layer is arranged, the damping can be increased and the shaking can be reduced. The support column 5 can be pulled out by applying a certain force, and installation or disassembly is very convenient.

[0032] A detachable anti-skid pad 10 is provided at the bottom of the support seat 4 and can be installed at the bottom of the support column 5 when the support column 5 is detached from the frame 1. The anti-skid pad 10 is made of an elastic material, preferably rubber. The upper end surface of the anti-skid pad 10 is recessed with a socket for the bottom of the support column 5 to be elastically inserted through interference fit. A mounting column 11 is convexly provided at the bottom of the support seat 4 on one side of the support column 5 and can be elastically inserted into the socket to accommodate the anti-skid pad 10.

[0033] The upper end of the support seat 4 is arranged to be in a concave arc shape that fits the resting leg. A leg blocking assembly for blocking the resting leg from moving forward is vertically arranged at one end of the support seat 4 close to the handlebar 3. The leg blocking assembly includes columns 6 vertically and parallelly fixed on the support seat 4 and a flexible blocking layer 8 arranged between the columns 6 for the thigh of the resting leg to abut. The flexible blocking layer 8 is made of rubber or canvas. A handrail 7 for hand grasping is fixed between the upper ends of the columns 6.

[0034] A restraining belt 9 for restraining the resting legs is arranged at the upper end of the support seat 4, one end of the restraining belt 9 is fixed on the support seat 4, and the other end is detachably arranged on the support seat 4. In this embodiment, the movable end of the restraining belt 9 is fixed on the support seat 4 by Velcro.

[0035] When the anti-skid pad 10 is stored under the support seat 4, the walker switches to the knee-wheel mode. The user can place the calf of the disabled leg on the support seat 4, hold the handlebar 3 with his hand, and use the healthy leg to push the ground for assistance to achieve rapid sliding; when the support column 5 is pulled out, the anti-skid pad 10 can be installed at the bottom of the support column 5, and the user can use the assembly composed of the support seat 4, the support column 5 and the anti-skid pad 10 as a crutch to pass through a narrow space indoors.

[0036] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A two-in-one walking aid, comprising a knee stroller, the knee stroller comprising a frame (1), a handlebar (3) at the front end of the frame (1) and a roller (2) at the bottom of the frame (1), a leg rest assembly for placing a disabled leg is arranged in the middle of the frame (1), and the characteristics are: The leg rest assembly comprises a support column (5) plugged into a frame (1) and a support seat (4) located at the upper end of the support column (5) for resting the legs; an anti-deflection mechanism is arranged between the support column (5) and the frame (1) to prevent the support column (5) from deflecting relative to the frame (1); the anti-deflection mechanism comprises a non-circular slot (101) recessed at the upper end of the middle of the frame (1); the cross section of the support column (5) is arranged to be non-circular and matched with the slot (101); an elastic layer for increasing the damping between the support column (5) and the slot (101) is arranged at the opening of the slot (101); and an anti-skid pad (10) is detachably arranged at the bottom of the support seat (4) and can be installed at the bottom of the support column (5) when the support column (5) is separated from the frame (1).

2. The two-in-one walking aid according to claim 1, characterized in that: The anti-skid pad (10) is made of elastic material.

3. The two-in-one walking aid according to claim 2, characterized in that: The upper end surface of the anti-skid pad (10) is recessed with an insertion hole into which the bottom of the support column (5) can be elastically inserted, and a mounting column (11) is convexly provided at the bottom of the support seat (4) on one side of the support column (5) and can be elastically inserted into the insertion hole to accommodate the anti-skid pad (10).

4. The two-in-one walking aid according to claim 1, characterized in that: A leg blocking assembly for blocking the forward movement of the resting legs is vertically arranged at one end of the support seat (4) close to the handlebar (3).

5. The two-in-one walking aid according to claim 4, characterized in that: The leg blocking assembly comprises upright posts (6) fixed vertically and parallelly on a support seat (4) and a flexible blocking layer (8) arranged between the upright posts (6) for the thigh of a placed leg to abut against.

6. The two-in-one walking aid according to claim 5, characterized in that: A handgrip (7) for handholding is fixed between the upper ends of the upright posts (6).

7. The two-in-one walking aid according to claim 1, characterized in that: The upper end of the support seat (4) is arranged in a concave arc shape to fit the placed leg.

8. The two-in-one walking aid according to claim 1, characterized in that: A restraining belt (9) for restraining the legs is arranged at the upper end of the support seat (4); one end of the restraining belt (9) is fixed on the support seat (4), and the other end is detachably arranged on the support seat (4).

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