CN110496017B

CN110496017B - Stair roller device and walking auxiliary device combined with same

Info

Publication number: CN110496017B
Application number: CN201910727476.8A
Authority: CN
Inventors: 郭霏霏; 傅贵华; 郭莉鸿; 郭献忠
Original assignee: Quanzhou Vocational And Technical University
Current assignee: Quanzhou Vocational And Technical University
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2024-07-26
Anticipated expiration: 2039-08-07
Also published as: CN110496017A

Abstract

The invention relates to and discloses a stair roller device and a walking auxiliary device used in combination with the stair roller device; the stair roller device includes: the three rotating wheels are uniformly and annularly arranged around the axis of the transition wheel, and the support frame comprises a central connecting part connected with the transition wheel and three support rods correspondingly connected with the rotating wheels; the walking assist device includes: the stair roller device, the auxiliary structure, the underarm support pad, the rotary armrests, the safety belt buckles, the reinforcing cross beam and the seat cushion; according to the invention, through the design of the auxiliary structures at two sides, a dynamic support is provided for a user in the moving and walking process, and the user is assisted to walk; through the integrated design of installing stair roller device and stair roller device in walking auxiliary device below, can be at the in-process that the user walked up and down stairs for it provides support all the time, the triangle stable structure is constituteed with the runner to the transition wheel when stair roller device walked on the plane, plane walking and going up and down stairs dual-purpose.

Description

Stair roller device and walking auxiliary device combined with same

Technical Field

The invention relates to the field of rehabilitation apparatuses, in particular to a stair roller device and a walking auxiliary device combined with the stair roller device.

Background

In families with old people or lower limb disabled patients, the old people or lower limb disabled patients mean inconvenient movable walking, toilet and other living activities can be successfully completed by assisting other people, and various walking auxiliary devices are used for solving the problem of inconvenient movable walking of the old people or lower limb disabled patients in the market; however, the following problems still exist in the walking assist device in the prior art:

1. The height and the gravity center of the body of a person are dynamically changed in the moving and walking process, and the walking auxiliary device in the prior art is worn on the body of the user after the height is adjusted in advance according to the height of the user when standing, so that the adjusted height is fixed, and the dynamic support and the auxiliary walking cannot be provided according to the moving and walking process of the person;

2. The prior art walking auxiliary device lacks the auxiliary device of going up and down stairs, and old person or lower limb disabled patient often go up or down the same step before going up or down through one side of health, then go up or down the same step again after the opposite side of health, and the mode of going up and down stairs is very inconvenient and dangerous like this, and old person or lower limb disabled patient are more easy to fall down when going down stairs moreover.

Disclosure of Invention

In view of the shortcomings of the prior art, the invention aims to provide a stair roller device and a walking auxiliary device used in combination with the stair roller device.

The invention is realized by the following technical scheme: a stair roller assembly comprising: the transition wheel, runner, support frame, transition wheel pivot and runner pivot, three the runner centers on the axis of transition wheel is even annular arrangement, the support frame include with the central connecting portion that the transition wheel is connected and three with each the bracing piece that the runner corresponds one-to-one is connected, the transition wheel is connected with the support frame center connecting portion rotation through the transition wheel pivot, the runner middle part is connected with the support frame bracing piece rotation through the runner pivot.

Further, the distance between the transition wheel axis and the rotating wheel axis is smaller than the sum of the radii of the transition wheel and the rotating wheel.

Further, the transition wheel to wheel diameter ratio is 3:2.

Further, one end of the support frame support rod, which is away from the central connecting part of the support frame, is provided with a bending protrusion, the bending direction of the bending protrusion is opposite to the advancing direction of the rotating wheel, and the tail end of the bending protrusion is provided with a protrusion monomer protruding out of the edge of the rotating wheel.

Further, the bending angle of the bending protrusion is 15-25 degrees.

Further, the anti-skid rubber head is arranged on the protruding head monomer.

Further, the number of the transition wheels is two, and the transition wheels are arranged on two sides of the rotating wheel.

Further, the number of the transition wheels is one, the rotating wheels comprise two rotating wheel monomers, and the two rotating wheel monomers are arranged on two sides of the transition wheels.

A walking assist device, comprising: the stair roller device, the left auxiliary structure, the right auxiliary structure, the left underarm support pad, the right underarm support pad and the reinforcing cross beam;

The left side auxiliary structure upper end has installed left side armpit supporting pad, right side armpit supporting pad has been installed to right side auxiliary structure upper end, stair roller device has been installed respectively to left side auxiliary structure and right side auxiliary structure lower extreme, be equipped with the reinforcement crossbeam between left side auxiliary structure and the right side auxiliary structure rear side.

Further, the left side auxiliary structure includes a left side elastic member providing an upper and lower elastic expansion and contraction force, and the right side auxiliary structure includes a right side elastic member providing an upper and lower elastic expansion and contraction force.

Further, the left elastic component is a left elastic rope, and the right elastic component is a right elastic rope.

Further, the left side auxiliary structure further comprises a left side scissor type telescopic lifting structure.

Further, the left scissor type telescopic lifting structure comprises an upper left telescopic section, a lower left telescopic section and a middle left telescopic section, wherein the upper left telescopic section is connected with the left underarm support pad, the lower left telescopic section is connected with the stair roller device, and the middle left telescopic section is connected between the upper left telescopic section and the lower left telescopic section.

Further, the upper left telescopic section comprises an upper left front support rod and an upper left rear support rod, the lower left telescopic section comprises a lower left front support rod and a lower left rear support rod, the middle left telescopic section comprises a middle left front support rod, a middle left rear support rod and a middle left rotary shaft, the middle left front support rod and the middle left rear support rod are rotationally connected through the middle left rotary shaft, the lower left front support rod is rotationally connected with the upper left middle front support rod through the upper left front rotary shaft, the lower left rear support rod is rotationally connected with the middle left rear support rod through the upper left rear rotary shaft, the upper left lower front support rod is connected with the lower left middle rear support rod through the lower left front rotary shaft, and the upper left lower rear support rod is rotationally connected with the lower left middle front support rod through the lower left rear rotary shaft.

Further, the left upper front support rod, the left lower rear support rod and the left middle rear support rod are parallel to each other and are in the same plane; the left upper rear supporting rod, the left lower front supporting rod and the left middle front supporting rod are parallel to each other and are positioned in the same plane.

Further, the left side auxiliary structure further comprises a left front sliding pillar arranged on the front side of the left scissor type telescopic lifting structure, a left rear sliding pillar arranged on the rear side of the left scissor type telescopic lifting structure, a left front sliding sleeve movably connected with the left front sliding pillar up and down, and a left rear sliding sleeve movably connected with the left rear sliding pillar up and down.

Further, the upper end of the left front sliding support is rotationally connected with the left upper front support rod and the left middle front support rod of the left scissor type telescopic lifting structure through the left upper front rotating shaft, and the left front sliding support is connected with the left lower front support rod and the left middle rear support rod of the left scissor type telescopic lifting structure through the left front sliding sleeve; the upper end of the left rear sliding support column is rotationally connected with the left upper rear support column and the left middle rear support column of the left scissor type telescopic lifting structure through the left upper rear rotating shaft, and the left rear sliding support column is connected with the left lower rear support column and the left middle front support column of the left scissor type telescopic lifting structure through the left rear sliding sleeve.

Further, the left front sliding sleeve is connected with the left lower front support rod and the left middle rear support rod of the left scissor type telescopic lifting structure through the left lower front rotating shaft in a rotating mode, and the left rear sliding sleeve is connected with the left lower rear support rod and the left middle front support rod of the left scissor type telescopic lifting structure through the left lower rear rotating shaft in a rotating mode.

Further, a left movable notch which is movably connected with the left upper telescopic section of the left scissor type telescopic lifting structure is arranged on the inner side of the lower end of the left armpit supporting pad.

Further, left side armpit supporting pad side middle part equidistance be equipped with left side scissors fork telescopic lift structure's left side upper telescopic section is connected left altitude mixture control hole.

Further, the right side auxiliary structure further comprises a right side scissor type telescopic lifting structure.

Further, the right scissor type telescopic lifting structure comprises an upper right telescopic section which is arranged above and connected with the right armpit supporting pad, a lower right telescopic section which is arranged below and connected with the stair roller device, and a middle right telescopic section which is connected between the upper right telescopic section and the lower right telescopic section.

Further, the upper right telescopic section comprises an upper right front support rod and an upper right rear support rod, the lower right telescopic section comprises a lower right front support rod and a lower right rear support rod, the middle right telescopic section comprises a middle right front support rod, a middle right rear support rod and a middle right rotating shaft, the middle right front support rod and the middle right rear support rod are rotationally connected through the middle right rotating shaft, the lower end of the upper right front support rod is rotationally connected with the upper right middle front support rod through the upper right front rotating shaft, the lower end of the upper right rear support rod is rotationally connected with the upper right middle rear support rod through the upper right rear rotating shaft, the upper right lower front support rod is connected with the lower right middle rear support rod through the lower right front rotating shaft, and the upper right lower rear support rod is rotationally connected with the lower right middle front support rod through the lower right rear rotating shaft.

Further, the right upper front supporting rod, the right lower rear supporting rod and the right middle rear supporting rod are parallel to each other and are positioned in the same plane; the right upper rear supporting rod, the right lower front supporting rod and the right middle front supporting rod are parallel to each other and are positioned in the same plane.

Further, the right side auxiliary structure further comprises a right front sliding pillar arranged on the front side of the right scissor type telescopic lifting structure, a right rear sliding pillar arranged on the rear side of the right scissor type telescopic lifting structure, a right front sliding sleeve movably connected with the right front sliding pillar up and down, and a right rear sliding sleeve movably connected with the right rear sliding pillar up and down.

Further, the upper end of the right front sliding support is rotationally connected with the right upper front support rod and the right middle front support rod of the right scissor type telescopic lifting structure through the right upper front rotating shaft, and the right front sliding support is connected with the right lower front support rod and the right middle rear support rod of the right scissor type telescopic lifting structure through the right front sliding sleeve; the upper end of the right rear sliding support column is rotationally connected with the right upper rear support column and the right middle rear support column of the right scissor type telescopic lifting structure through the right upper rear rotating shaft, and the right rear sliding support column is connected with the right lower rear support column and the right middle front support column of the right scissor type telescopic lifting structure through the right rear sliding sleeve.

Further, the right front sliding sleeve is connected with a right lower front support rod and a right middle rear support rod of the right scissor type telescopic lifting structure through a right lower front rotating shaft in a rotating mode, and the right rear sliding sleeve is connected with a right lower rear support rod and a right middle front support rod of the right scissor type telescopic lifting structure through a right lower rear rotating shaft in a rotating mode.

Further, a right movable notch which is movably connected with the right upper telescopic section of the right scissor type telescopic lifting structure is arranged on the inner side of the lower end of the right armpit supporting pad.

Further, right height adjusting holes connected with the right upper telescopic section of the right scissor type telescopic lifting structure are formed in the middle of the side face of the right armpit supporting pad at equal intervals.

Further, the left elastic rope is arranged between the left middle front support rod and the left middle rear support rod, and the right elastic rope is arranged between the right middle front support rod and the right middle rear support rod.

Further, left side adjusting holes are respectively formed in the side surfaces of the left front sliding support column and the left rear sliding support column at equal intervals, and right side adjusting holes are respectively formed in the side surfaces of the right front sliding support column and the right rear sliding support column at equal intervals.

Further, the left side cushion is equipped with respectively with left back slip pillar bottom in left front slip pillar, right side cushion is equipped with respectively with right back slip pillar bottom in right front slip pillar.

Further, the left front sliding support and the left rear sliding support are positioned outside the left scissor type telescopic lifting structure, and the right front sliding support and the right rear sliding support are positioned outside the right scissor type telescopic lifting structure.

Further, the left front sliding support and the left rear sliding support are positioned on the inner side of the left scissor type telescopic lifting structure, and the right front sliding support and the right rear sliding support are positioned on the inner side of the right scissor type telescopic lifting structure.

Further, a cushion is arranged between the left auxiliary structure and the rear side of the right auxiliary structure.

Further, the seat cushion is fixedly installed between the left rear slide pillar and the right rear slide pillar.

Further, the cushion comprises a cushion main body and a penetrating rod, a through hole is formed in the side edge of the cushion main body, and the cushion main body is fixedly connected with the right sliding support column through the penetrating rod.

Further, a left rotary handrail structure is arranged on the left front sliding support column of the left auxiliary structure, and a right rotary handrail structure is arranged on the right front sliding support column of the right auxiliary structure.

Further, the left side rotary handrail structure comprises a left upper limit sleeve, a left lower limit sleeve, a left bolt and a left handrail, wherein the left upper limit sleeve and the left lower limit sleeve are respectively arranged on the upper side and the lower side of the left handrail, and the left upper limit sleeve and the left lower limit sleeve are fixedly connected with a left adjusting hole on the left front sliding support column through the left bolt.

Further, the right side rotary handrail structure comprises a right upper limit sleeve, a right lower limit sleeve, a right side bolt and a right side handrail, wherein the right upper limit sleeve and the right lower limit sleeve are respectively arranged on the upper side and the lower side of the right side handrail, and the right upper limit sleeve and the right lower limit sleeve are fixedly connected with a right side adjusting hole on the right front sliding support column through the right side bolt.

Further, the left armrest may be horizontally rotatable about the left front sliding pillar, and the right armrest may be horizontally rotatable about the right front sliding pillar.

Further, safety belt buckles are respectively and fixedly arranged on the upper parts of the left front sliding support column and the right front sliding support column.

Advantageous effects

1. The lower end of the scissor type telescopic lifting structure is movably connected with the sliding support in a moment and moves up and down in the use process by the design that the rotating shaft is rotatably connected with the sliding support, and meanwhile, the elastic component provides an elastic force which stretches elastically up and down in the use process, so that a dynamic support is provided for a user in the moving and walking process all the time, the dynamic auxiliary support structure assists the user to walk, and compared with the walking auxiliary device in the prior art, the dynamic auxiliary support structure is more in line with the dynamics of a human body in the walking process, is more beneficial to the rehabilitation of the user, and has strong practicability; through the design of side underarm bearing structure, side rotation handrail structure, seat belt buckle and cushion about, increased and used the comfort, through the design of strengthening the crossbeam for the device is whole more stable.

2. The stair roller device is arranged below the walking auxiliary device, so that a user can always support the stair roller device in the process of going up and down stairs, and the safety of going up and down stairs is improved; the design that the diameter of the transition wheel is far larger than that of the rotating wheel can enable the transition wheel to touch and rotate with the right-angle structure of the step when going up and down stairs, so that the transition wheel has a gentle transition effect; through the design of the bending protruding head and the protruding wheel edge protruding head single body arranged at the tail end of the bending protruding head, the protruding head single body serves as a device fulcrum when going up and down stairs, plays a role in preventing the rotating wheel from rolling back and forth, is convenient for the whole device to overturn again and descend to the next step, and has strong innovation; through the design of the transition wheel, the support frame and the rotating wheels, when the stair roller device walks on a plane, the transition wheel and the rotating wheels form a triangular stable structure, and the two rotating wheels below roll, so that dual purposes of plane walking and going up and down stairs are realized

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a stair roller assembly according to the present invention;

FIG. 2 is a schematic side view of a stair roller assembly according to the present invention;

FIG. 3 is a view showing a use state of a stair roller device according to the present invention;

FIG. 4 is a front view of a transition wheel and runner of a stair roller assembly according to the present invention;

FIG. 5 is a front view of a first embodiment of a stair roller assembly according to the present invention showing the transition wheel and runner;

FIG. 6 is a front view of a transition wheel and runner of a second embodiment of a stair roller assembly according to the present invention;

FIG. 7 is a schematic view of a walking assist device according to the present invention;

FIG. 8 is a view showing the left side auxiliary structure of the first embodiment of the walking assist device according to the present invention;

FIG. 9 is a view showing a structure of a left scissor type telescopic lifting structure of a first embodiment of a walking aid of the present invention;

FIG. 10 is an enlarged structural view of A in FIG. 9;

FIG. 11 is a schematic view of a left underarm support pad of a walking assist device according to the present invention;

FIG. 12 is a view showing the right side auxiliary structure of the first embodiment of the walking assist device according to the present invention;

FIG. 13 is a view showing a structure of a right scissor type telescopic lifting structure of a first embodiment of a walking assist device according to the present invention;

FIG. 14 is a schematic view of the right underarm support pad of the walking aid of the present invention;

FIG. 15 is a view showing the right side auxiliary structure of the second embodiment of the walking assist device of the present invention in an extended state;

FIG. 16 is a view showing a right side assist structure of a walking assist device according to a second embodiment of the present invention in a shortened configuration;

FIG. 17 is a schematic view of a cushion for a walking aid according to the present invention;

FIG. 18 is a schematic view of a left side rotating handrail structure of a walking assist device according to the present invention;

fig. 19 is a schematic view of a right-side rotating handrail structure of a walking assist device according to the present invention.

In the figure:

Stair roller device-1, transition wheel-101, runner-102, support frame-103, transition wheel axle-104, runner axle-105, bending nose-106, nose monomer-107, anti-slip glue head-108, left auxiliary structure-2, left scissor-type telescopic lifting structure-201, left elastic component-202, left front sliding pillar-203, left rear sliding pillar-204, left front sliding pillar-205, left rear sliding pillar-206, left adjusting hole-207, left rubber pad-208, left upper front pillar-2011, left upper rear pillar-2012, left lower front pillar-2013, left lower rear pillar-2014, left middle front pillar-2015, left middle rear pillar-2016, left middle rotating axle-2017, left upper front rotating axle-2018, left upper rear rotating axle-2019, left upper front sliding pillar-206, left lower front pillar-2013, left lower rear pillar-2014, left middle front pillar-2018, left upper front rotating axle-2019, left upper front pillar-2018, left upper front auxiliary structure-2, left upper front pillar-shaped frame-shaped left lower front pivot connection-2020, left lower rear pivot-2021, right side auxiliary structure-3, right side scissor jack-up structure-301, right side elastic member-302, right front sliding strut-303, right rear sliding strut-304, right front sliding sleeve-305, right rear sliding sleeve-306, right side adjustment hole-307, right side cushion-308, right upper front strut-3011, right upper rear strut-3012, right lower front strut-3013, right lower rear strut-3014, right middle front strut-3015, right middle rear strut-3016, right middle pivot-3017, right upper front pivot-3018, right upper rear pivot-3019, right lower front pivot connection-3020, right lower rear pivot-3021, left underarm support pad-4, left movable notch-401, the left side height adjusting hole-402, the right side underarm support pad-5, the right side movable notch-501, the right side height adjusting hole-502, the reinforcing cross beam-6, the cushion-7, the cushion main body-701, the perforation-702, the penetrating rod-703, the left side rotating armrest structure-8, the left side upper limit sleeve-801, the left side lower limit sleeve-802, the left side bolt-803, the left side armrest-804, the right side rotating armrest structure-9, the right side upper limit sleeve-901, the right side lower limit sleeve-902, the right side bolt-903, the right side armrest-904 and the safety belt buckle-10.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1 to 5, in embodiment 1 of a stair roller device, a stair roller device includes: the transition wheel 101, the runner 102, the support frame 103, the transition wheel pivot 104 and the runner pivot 105, three the runner centers on the axis of transition wheel is even annular arrangement, the support frame 103 includes the central connecting portion of being connected with the transition wheel and three bracing piece that is connected with each runner one-to-one, the transition wheel 101 is rotated through transition wheel pivot 104 and support frame 103 central connecting portion and is connected, the runner 102 middle part is rotated through runner pivot 105 and support frame 103 bracing piece and is connected.

Specifically, the distance between the transition wheel axle 104 and the wheel rotating axle 105 is smaller than the sum of the radii of the transition wheel 101 and the wheel 102, and the diameter ratio of the transition wheel 101 to the wheel 102 is 3:2, the diameter of the transition wheel 101 is far larger than that of the rotating wheel 102, and the transition wheel 101 can touch and rotate with the right-angle structure of the step when going up and down stairs by the aid of the design, so that a gentle transition effect is achieved.

The support frame 103 bracing piece deviates from the one end of support frame 103 center connecting portion and is equipped with the protruding head 106 of buckling, the direction of buckling of protruding head 106 with the direction that the runner advances is opposite, the end of buckling protruding head 106 is equipped with protruding head monomer 107 at outstanding runner 102 border, and protruding head monomer 107 is as the device fulcrum when going up and down stairs, plays the effect of preventing runner 102 back and forth rolling, is convenient for the whole upset of device down to next floor step again simultaneously.

Further, the bending angle of the bending protrusion 106 is 15 to 25 degrees, and the bending angle of 15 to 25 degrees is set, so that the protrusion monomer 107 cannot contact with the step and serve as a fulcrum when going up and down stairs due to overlarge bending angle, the whole overturning of the device is not facilitated, and the protrusion monomer 107 can not contact with the step in advance due to overlarge bending angle, and the whole overturning of the device is advanced.

Referring to fig. 2, the protrusion unit 107 has a pointed structure, and by designing the pointed end of the protrusion unit 107, when the stair roller device moves on a plane, the protrusion unit 107 can be effectively prevented from touching the ground, and smoothness of the device moving on the plane is improved.

In addition, the anti-slip rubber head 108 is arranged on the protrusion head unit 107, and when the bending protrusion head 106 contacts with the step, the anti-slip rubber head 108 can increase friction between the bending protrusion head 106 and the step, so that the bending protrusion head 106 is prevented from slipping.

Referring to fig. 5, in the present embodiment, the number of transition wheels 101 is two, the transition wheels 101 are disposed on two sides of the rotating wheel 102, and the design that the transition wheels 101 are disposed on two sides of the rotating wheel 102 is beneficial to improving the stability of the overall structure.

Specifically, the working principle of the stair roller device in the embodiment is as follows:

As shown in fig. 3, when the stair roller device 1 runs down stairs, the rotating wheel 102 rotates clockwise by taking the transition wheel rotating shaft 104 as a midpoint, so that the rotating wheel 102 of the device runs down on the stairs, and in the process of running down the rotating wheel on the stairs, the transition wheel 101 contacts with the right-angle structure of the stairs and rotates, so that a gentle transition effect is achieved; when the rotating wheel 102 contacts with a step, a protruding head single body 107 protruding the edge of the rotating wheel 102 is arranged at the tail end of the bending protruding head 106 and contacts with the step, the protruding head single body 107 serves as a device fulcrum to play a role in preventing the rotating wheel 102 from rolling forwards and backwards, meanwhile, the device can conveniently integrally rotate to descend to the next step by taking the protruding head single body 107 as the fulcrum, and the like, so that the stair roller device 1 can be used for descending stairs;

Likewise, the stair roller device 1 goes up stairs and goes down stairs in the same principle.

Further, when the stair roller device1 walks on a plane, the transition wheel 101 and the rotating wheels 102 form a triangular stable structure, and the two rotating wheels below roll on the plane 102 to realize the rotating and walking of the device on the plane.

Embodiment 2 of the stair roller device, referring to fig. 6, is a front view structure diagram of a transition wheel and a runner of a second embodiment of the stair roller device according to the present invention, and the second embodiment has substantially the same structure as the first embodiment, which is different in that the runner 102 includes two runner monomers, the number of the transition wheel 101 is one, the two runner monomers are disposed on two sides of the transition wheel 101, and the design that the two runner monomers are disposed on two sides of the transition wheel 101 in this embodiment improves the stability of the overall structure of the stair roller device.

The working principle and the technical effects of the stair roller device according to embodiment 2 of the present invention are the same as those of embodiment 1, and for brevity, reference is made to the corresponding contents of embodiment 1 of a stair roller device according to the present invention.

Referring to fig. 7 to 14 and fig. 17 to 19, in an embodiment 1 of a walking assist device, a first embodiment of the invention provides a walking assist device, comprising: the stair roller device 1, the left auxiliary structure 2, the right auxiliary structure 3, the left underarm support pad 4, the right underarm support pad 5 and the reinforcing cross beam 6; the left side auxiliary structure 2 upper end has installed left side armpit supporting pad 4, the right side auxiliary structure 3 upper end has installed right side armpit supporting pad 5, and stair roller device 1 is installed in left side auxiliary structure 2 and right side auxiliary structure 3 lower extreme, and stair roller device 1 plays the effect of being convenient for go up and down the stair when going up and down the stair of this invention.

Specifically, the left auxiliary structure 2 includes a left elastic member 202 that provides an up-down elastic telescopic elastic force, and the right auxiliary structure 3 includes a right elastic member 302 that provides an up-down elastic telescopic elastic force, and when the left elastic member 202 is combined with the left auxiliary structure 2, the right elastic member 302 and the right auxiliary structure 3 can provide a dynamic support that stretches up and down elastically to assist a user in walking during the process of walking using the device of the present invention.

Furthermore, the left side elastic component and the right side elastic component are right side elastic ropes, and compared with other elastic components such as springs, the elastic ropes are lighter in weight, can lighten the weight of the device, and are convenient for the whole use and carrying of the device.

In addition, the left auxiliary structure 2 further comprises a left scissor type telescopic lifting structure 201, wherein the left scissor type telescopic lifting structure 201 comprises an upper left telescopic section which is connected with the left armpit supporting pad 4 at the upper part, a lower left telescopic section which is connected with the stair roller device 1 at the lower part, and a middle left telescopic section which is connected between the upper left telescopic section and the lower left telescopic section; the left upper telescopic section, the left lower telescopic section and the left middle telescopic section form a left scissor type telescopic lifting structure 201, and the left scissor type telescopic lifting structure 201 has a telescopic lifting function.

Specifically, referring to fig. 9, the upper left telescopic section includes an upper left front strut 2011 and an upper left rear strut 2012, the lower left telescopic section includes a lower left front strut 2013 and a lower left rear strut 2014, the middle left telescopic section includes a middle left front strut 2015, a middle left rear strut 2016 and a middle left rotary shaft 2017, the middle left front strut 2015 and the middle left rear strut 2016 are rotationally connected through the middle left rotary shaft 2017, the lower end of the upper left front strut 2011 and the upper end of the middle left front strut 2015 are rotationally connected through the upper left front rotary shaft 2018, the lower end of the upper left rear strut 2012 and the lower left middle rear strut 2016 are rotationally connected through the upper left rear rotary shaft 2019, the upper end of the lower left front strut 2013 and the lower left middle rear strut 2016 are rotationally connected through the lower left front rotary shaft 2020, the upper end of the lower left rear strut 2014 and the lower end of the middle left front strut 2015 are rotationally connected through the lower left rear rotary shaft 2021, the upper left front strut 2011 and the upper left rear strut 2015 are rotationally connected through the upper left front rotary shaft 2018, the lower left rear strut 2012 and the lower left lower support pad are rotationally connected through the lower left front roller 2014 and the lower telescopic section is connected through the lower left front roller 2014 and the lower telescopic section.

Referring to fig. 9, the left upper front strut 2011, the left lower rear strut 2014 and the left middle rear strut 2016 are parallel to each other and in the same plane; the upper left rear strut 2012, the lower left front strut 2013 and the middle left front strut 2015 are parallel to each other and in the same plane.

The left auxiliary structure 2 further includes a left front sliding pillar 203 disposed on the front side of the left scissor jack-up and-down structure 201, a left rear sliding pillar 204 disposed on the rear side of the left scissor jack-up structure 201, a left front sliding sleeve 205 vertically movably connected to the left front sliding pillar 203, and a left rear sliding sleeve 206 vertically movably connected to the left rear sliding pillar 204.

Specifically, referring to fig. 8 and 9, the upper end of the left front sliding pillar 203 is rotatably connected with the left upper front strut 2011 and the left middle front strut 2015 through the left upper front rotating shaft 2018, and the left front sliding pillar 203 is movably connected with the left lower front strut 2013 and the left middle rear strut 2016 up and down through the left front sliding sleeve 205; the left front sliding sleeve 205 can drive the left lower front strut 2013 and the left middle rear strut 2016 to move up and down on the left front sliding strut 203; the upper end of the left rear sliding pillar 204 is rotatably connected with the left upper rear supporting rod 2012 and the left middle rear supporting rod 2016 through the left upper rear rotating shaft 2019, the left rear sliding pillar 204 is movably connected with the left lower rear supporting rod 2014 and the left middle front supporting rod 2015 up and down through the left rear sliding sleeve 206, and the left rear sliding sleeve 206 can drive the left lower rear supporting rod 2014 and the left middle front supporting rod 2015 to move up and down on the left rear sliding pillar 204.

Further, the left front sliding sleeve 205 is rotatably connected to the left lower front strut 2013 and the left middle rear strut 2016 via a left lower front shaft connection 2020, and the left rear sliding sleeve 206 is rotatably connected to the left lower rear strut 2014 and the left middle front strut 2015 via a left lower rear shaft 2021.

Referring to fig. 11, the left underarm support pad 4 is installed at the upper end of the left auxiliary structure 2, the left movable recess 401 movably connected with the left upper telescopic section of the left scissor type telescopic lifting structure 201 of the left auxiliary structure 2 is provided at the inner side of the lower end of the left underarm support pad 4, and the design of the left movable recess 401 movably connected with the left upper telescopic section allows the position of the underarm of the user to be dynamically adjusted during walking of the left underarm support pad 4, so that comfort of use is increased.

Referring to fig. 11, further, the middle part of the side surface of the left armpit supporting pad 4 is further provided with a left height adjusting hole 402 at equal intervals, which is connected with the left upper telescopic section of the left scissor type telescopic lifting structure 201, and through the design of the left height adjusting hole 402, the heights of the left armpit supporting pad 4 and the left auxiliary structure 2 can be adjusted according to the heights of users, so that the requirements of users with different heights can be met.

The right side auxiliary structure 3 further comprises a right side scissor type telescopic lifting structure 301, the right side scissor type telescopic lifting structure 301 comprises an upper right telescopic section which is arranged above and connected with the right side underarm support pad 5, a lower right telescopic section which is arranged below and connected with the stair roller device 1, and a middle right telescopic section which is connected between the upper right telescopic section and the lower right telescopic section, the upper right telescopic section, the lower right telescopic section and the middle right telescopic section form the right side scissor type telescopic lifting structure 301, and the right side scissor type telescopic lifting structure 301 has a telescopic lifting function.

Similarly, referring to fig. 13, the upper right telescopic section includes an upper right front post 3011 and an upper right rear post 3012, the lower right telescopic section includes a lower right front post 3013 and a lower right rear post 3014, the middle right telescopic section includes a middle right front post 3015, a middle right rear post 3016 and a middle right rotary shaft 3017, the middle right front post 3015 and the middle right rear post 3016 are rotatably connected by the middle right rotary shaft 3017, the lower end of the upper right front post 3011 is rotatably connected with the upper end of the middle right front post 3015 by the upper right front rotary shaft 3018, the lower end of the upper right rear post 3012 is rotatably connected with the upper end of the middle right rear post 3016 by the upper right rear rotary shaft 3019, the upper end of the lower right front post 3013 is connected with the lower end of the middle right rear post 3016 by the lower right front rotary shaft 3020, the upper end of the lower right rear post 3014 is rotatably connected with the lower right middle right front post 3015 by the lower right rear rotary shaft 3011, and the upper right front end of the upper right telescopic section is rotatably connected with the lower right rear support pad 3014 by the right front end of the lower right rear pad 3014.

Referring to fig. 13, the right upper front post 3011, the right lower rear post 3014 and the right middle rear post 3016 are parallel to each other and in the same plane; the right upper rear support post 3012, the right lower front support post 3013 and the right middle front support post 3015 are parallel to each other and in the same plane.

The right auxiliary structure 3 further includes a right front sliding pillar 303 disposed on the front side of the right scissor jack-up and-down structure 301, a right rear sliding pillar 304 disposed on the rear side of the right scissor jack-up structure 301, a right front sliding sleeve 305 vertically movably connected to the right front sliding pillar 303, and a right rear sliding sleeve 306 vertically movably connected to the right rear sliding pillar 304.

Specifically, referring to fig. 12 and13, the upper end of the right front sliding pillar 303 is rotatably connected with the right upper front pillar 3011 and the right middle front pillar 3015 through the right upper front rotating shaft 3018, the right front sliding pillar 303 is movably connected with the right lower front pillar 3013 and the right middle rear pillar 3016 up and down through the right front sliding sleeve 305, and the right front sliding sleeve 305 can drive the right lower front pillar 3013 and the right middle rear pillar 3016 to move up and down in the right front sliding pillar 303; the upper end of the right rear sliding support post 304 is rotatably connected with the right upper rear support post 3012 and the right middle rear support post 3016 through the right upper rear rotating shaft 3019, the right rear sliding support post 304 is movably connected with the right lower rear support post 3014 and the right middle front support post 3015 up and down through the right rear sliding sleeve 306, and the right rear sliding sleeve 306 can drive the right lower rear support post 3014 and the right middle front support post 3015 to move up and down on the right rear sliding support post 304.

Further, referring to fig. 13, the right front sliding sleeve 305 is rotatably connected to the right lower front post 3013 and the right middle rear post 3016 through a right lower front shaft connection 3020, and the right rear sliding sleeve 306 is rotatably connected to the right lower rear post 3014 and the right middle front post 3015 through a right lower rear shaft 3021.

Referring to fig. 14, the upper end of the right auxiliary structure 3 is provided with a right underarm support pad 5, the inner side of the lower end of the right underarm support pad 5 is provided with a right movable notch 501 movably connected with the right upper telescopic section of the right scissor type telescopic lifting structure 301, and the right underarm support pad 5 can dynamically adjust the position of the underarm of a user in the walking process by the design of the right movable notch 501 and the right upper telescopic section similar to the left underarm support pad 4, so that the comfort of use is increased.

Referring to fig. 14, further, the middle part of the side surface of the right armpit supporting pad 5 is provided with right height adjusting holes 502 connected with the right upper telescopic section of the right scissor type telescopic lifting structure 301 at equal intervals, and the height of the right armpit supporting pad 5 and the right auxiliary structure 3 can be adjusted according to the height of a user through the design of the right height adjusting holes 502, similar to the design of the left armpit supporting pad 4, so as to meet the user demands of different heights.

Further, be equipped with the reinforcement crossbeam 6 between left side auxiliary structure 2 and right side auxiliary structure 3 rear side, the holistic steadiness of device can be improved to the design of reinforcement crossbeam 6.

In this embodiment 1, the reinforcement cross member 6 may be installed between the upper left rear leg 2012 and the upper right rear leg 3012, between the lower left rear leg 2014 and the lower right rear leg 3014, between the left middle front leg 2015 and the right middle front leg 3015, and between the left middle rear leg 2016 and the right middle rear leg 3016.

Further, in order to make the elastic cord provide better elastic force of up-down elastic expansion, the left elastic cord is installed between the left middle front strut 2015 and the left middle rear strut 2016, and the right elastic cord is installed between the right middle front strut 3015 and the right middle rear strut 3016.

The left front sliding pillar 203 and the left rear sliding pillar 204 are respectively provided with left adjusting holes 207 at equal intervals, the right front sliding pillar 303 and the right rear sliding pillar 304 are respectively provided with right adjusting holes 307 at equal intervals, the heights of the left rotating armrest structure 8 and the seat cushion can be adjusted according to the height and the using habit of a user through the left adjusting holes 207, and the heights of the right rotating armrest structure 9 and the seat cushion can be adjusted through the right adjusting holes 307.

The left front sliding pillar 203 and the left rear sliding pillar 204 are respectively provided with a left rubber pad 208, the right front sliding pillar 303 and the right rear sliding pillar 304 are respectively provided with a right rubber pad 308, and the design of the rubber pad can increase the friction between the sliding pillar and the ground when the sliding pillar contacts the ground, prevent slipping when contacting the ground, and simultaneously protect the bottom of the sliding pillar, thereby increasing the safety and the service life of the device.

Referring to fig. 17, a cushion 7 is disposed between the rear sides of the left auxiliary structure 2 and the right auxiliary structure 3, the cushion 7 is fixedly mounted between the left rear sliding pillar 204 and the right rear sliding pillar 304, the cushion 7 includes a cushion body 701 and a penetrating rod 703, a through hole 702 is disposed at a side edge of the cushion body 701, and the cushion body 701 is fixedly connected with the right sliding pillar 303 through the penetrating rod 703; when a user feels tired in the walking process, the user can put the buttocks on the cushion main body 701, at this time, the left scissor type telescopic lifting structure 201 and the right scissor type telescopic lifting structure 301 are shortened, the stair roller device 1 is folded upwards, the right support rod 202 and the right support rod 203, and the four sliding support posts of the left front sliding support post 203, the left rear sliding support post 204, the right front sliding support post 303 and the right rear sliding support post 304 are supported downwards to the ground to play a supporting role, so that the device structure becomes stable, and the user can rest conveniently.

Referring to fig. 18, a left rotating armrest structure 8 is mounted on the left front sliding pillar 203 of the left auxiliary structure 2;

referring to fig. 19, a right rotating handrail structure 9 is mounted on the right front sliding pillar 303 of the right auxiliary structure 3.

The left rotary armrest structure 8 comprises a left upper limit sleeve 801, a left lower limit sleeve 802, a left bolt 803 and a left armrest 804, wherein the left upper limit sleeve 801 and the left lower limit sleeve 802 are respectively arranged on the upper side and the lower side of the left armrest 804, and the left upper limit sleeve 801 and the left lower limit sleeve 802 are fixedly connected with the left adjusting hole 207 on the left front sliding support 203 through the left bolt 803.

The right rotary armrest structure 9 comprises an upper right limit sleeve 901, a lower right limit sleeve 902, a right bolt 903 and a right armrest 904, wherein the upper and lower sides of the right armrest 904 are respectively provided with the upper right limit sleeve 901 and the lower right limit sleeve 902, and the upper right limit sleeve 901 and the lower right limit sleeve 902 are fixedly connected with a right adjusting hole 307 on a right front sliding strut 303 through the right bolt 903; when the armrest is to be used, the left armrest 804 may be horizontally rotated around the left front sliding pillar 203 to be used on the front side, and the right armrest 904 may be horizontally rotated around the right front sliding pillar 303 to be used on the front side, and when not used, may be rotated again to be retracted on the inner side.

The left front sliding pillar 203 and the right front sliding pillar 303 are respectively fixedly provided with a safety belt buckle 10, so that a user can bind the safety belt buckle 10 in front of the chest of the user when using the device, and the stability of the device in use is improved.

In the present embodiment, referring to fig. 8 and 12, the left front sliding pillar 203 and the left rear sliding pillar 204 are located outside the left scissor type telescopic lifter structure 201, and the right front sliding pillar 303 and the right rear sliding pillar 304 are located outside the right scissor type telescopic lifter structure 301.

Specifically, the invention is used in the process of:

1. The left auxiliary structure 2 and the right auxiliary structure 3 of the invention are respectively worn on two sides of the body of a user, meanwhile, the left armpit supporting pad 4 at the upper end of the left auxiliary structure 2 and the right armpit supporting pad 5 at the upper end of the right auxiliary structure 3 are positioned at two armpits of the user, the user can horizontally rotate the left handrail 804 to the front side around the left front sliding pillar 203, the right handrail 904 horizontally rotates to the front side around the right front sliding pillar 303 to be used, the left handrail 804 and the right handrail 904 are held by two hands to be used for controlling the device, and meanwhile, the user is fixed with the device through the safety belt buckle 10 at the waist of the user, so that the wearing of the device is completed;

2. When a user wears the device to walk, because the sliding sleeves are respectively and movably connected with the sliding support, and the scissor type telescopic lifting structure is rotatably connected with the sliding sleeves through the lower rotating shafts, the lower ends of the scissor type telescopic lifting structure and the sliding support are in a state of being movably connected at any time and moving up and down in the use process, meanwhile, the elastic part 302 provides elastic force of elastic stretching up and down in the use process, so that the scissor type telescopic lifting structure has a trend of stretching up and down at the upper ends, a dynamic support can be provided for the user in the moving and walking process, the output of the user is reduced, and the user is assisted in walking;

3. the use method and the working principle of the user when walking up and down stairs or on a plane by using the device can refer to the working principle and the use method of the stair roller device in the first embodiment.

Compared with the prior art, the invention has the technical advantages that:

2. The stair roller device is arranged below the walking auxiliary device, so that a user can always support the stair roller device in the process of going up and down stairs, and the safety of going up and down stairs is improved; the design that the diameter of the transition wheel is far larger than that of the rotating wheel can enable the transition wheel to touch and rotate with the right-angle structure of the step when going up and down stairs, so that the transition wheel has a gentle transition effect; through the design of the bending protruding head and the protruding wheel edge protruding head single body arranged at the tail end of the bending protruding head, the protruding head single body serves as a device fulcrum when going up and down stairs, plays a role in preventing the rotating wheel from rolling back and forth, is convenient for the whole device to overturn again and descend to the next step, and has strong innovation; through the design of transition wheel, support frame and runner, the stair gyro wheel device constitutes triangle stable structure with the runner when walking on the plane, and two runners of below roll to realize plane walking and going up and down stairs dual-purpose.

Embodiment 2 referring to fig. 15 and 16, fig. 15 and 16 are respectively structural views of a right side auxiliary structure of a walking auxiliary device according to a second embodiment of the invention when the right side auxiliary structure is extended and contracted;

The second embodiment is substantially identical to the first embodiment of the walking assist device of the present invention, and one of the differences is that: in this embodiment 2, the left front sliding pillar 203 and the left rear sliding pillar 204 are located inside the left scissor type telescopic lifting structure 201, and the right front sliding pillar 303 and the right rear sliding pillar 304 are located inside the right scissor type telescopic lifting structure 301; the sliding support is arranged on the inner side of the scissor fork type telescopic lifting structure, so that friction between the scissor fork type lifting rod and the sliding support in the up-and-down movement process in the use process is avoided, and smoothness of the whole structure of the device in the use process is improved; the second difference is that: in embodiment 2, the reinforcing cross member 6 is installed between the left rear slide pillar 204 and the right rear slide pillar 304, and the locking bar is not caused by the scissor type telescopic lift structure when moving up and down, as compared with the case where the reinforcing cross member 6 is installed on the scissor type telescopic lift structure.

The implementation principle and the technical effects of the embodiment of the present invention are the same as those of embodiment 1 of a walking aid device of the present invention, and for brevity, reference may be made to the corresponding contents of embodiment 1 of a walking aid device of the present invention.

Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims

1. A walking assist device, characterized in that: further comprises: the left side auxiliary structure (2), the right side auxiliary structure (3), the left side underarm support pad (4), the right side underarm support pad (5) and the reinforcing cross beam (6);

the left side auxiliary structure (2) is provided with a left side underarm support pad (4) at the upper end, the right side auxiliary structure (3) is provided with a right side underarm support pad (5) at the upper end, the left side auxiliary structure (2) and the right side auxiliary structure (3) are respectively provided with a stair roller device (1) at the lower end, and a reinforcing cross beam (6) is arranged between the left side auxiliary structure (2) and the rear side of the right side auxiliary structure (3);

The left side auxiliary structure (2) comprises a left side elastic component for providing upper and lower elastic telescopic elasticity, and the right side auxiliary structure (3) comprises a right side elastic component for providing upper and lower elastic telescopic elasticity;

The left auxiliary structure (2) further comprises a left scissor type telescopic lifting structure (201), wherein the left scissor type telescopic lifting structure (201) comprises an upper left telescopic section, a lower left telescopic section and a middle left telescopic section, the upper left telescopic section is connected with the left underarm support pad (4) at the upper part of the upper left telescopic section, the lower left telescopic section is connected with the stair roller device (1) at the lower part of the lower left telescopic section, and the middle left telescopic section is connected between the upper left telescopic section and the lower left telescopic section;

The left upper telescopic section comprises a left upper front support rod (2011) and a left upper rear support rod (2012), the left lower telescopic section comprises a left lower front support rod (2013) and a left lower rear support rod (2014), the left middle telescopic section comprises a left middle front support rod (2015), a left middle rear support rod (2016) and a left middle rotating shaft (2017), the left middle front support rod (2015) and the left middle rear support rod (2016) are rotationally connected through the left middle rotating shaft (2017), the lower end of the left upper front support rod (2011) is rotationally connected with the upper end of the left middle front support rod (2015) through the left upper front rotating shaft (2018), the lower end of the left upper rear support rod (2012) is rotationally connected with the left middle rear support rod (2016) through the left upper rear rotating shaft (2019), the upper end of the left lower front support rod (2013) is rotationally connected with the lower end of the left middle rear support rod (2016) through the left lower front rotating shaft (2020), and the upper end of the left lower rear support rod (2014) is rotationally connected with the lower end of the left middle front support rod (2011) through the left lower rotating shaft (2021);

The left upper front support rod (2011), the left lower rear support rod (2014) and the left middle rear support rod (2016) are parallel to each other and are in the same plane; the left upper rear supporting rod (2012), the left lower front supporting rod (2013) and the left middle front supporting rod (2015) are parallel to each other and are in the same plane;

The left side auxiliary structure (2) further comprises a left front sliding pillar (203) arranged on the front side of the left scissor type telescopic lifting structure (201), a left rear sliding pillar (204) arranged on the rear side of the left scissor type telescopic lifting structure (201), a left front sliding sleeve (205) movably connected with the left front sliding pillar (203) up and down, and a left rear sliding sleeve (206) movably connected with the left rear sliding pillar (204) up and down;

The upper end of the left front sliding support (203) is rotationally connected with a left upper front support rod (2011) and a left middle front support rod (2015) of the left scissor type telescopic lifting structure (201) through a left upper front rotating shaft (2018), and the left front sliding support (203) is connected with a left lower front support rod (2013) and a left middle rear support rod (2016) of the left scissor type telescopic lifting structure (201) through a left front sliding sleeve (205); the upper end of the left rear sliding support (204) is rotationally connected with a left upper rear support rod (2012) and a left middle rear support rod (2016) of the left scissor type telescopic lifting structure (201) through a left upper rear rotating shaft (2019), and the left rear sliding support (204) is connected with a left lower rear support rod (2014) and a left middle front support rod (2015) of the left scissor type telescopic lifting structure (201) through a left rear sliding sleeve (206);

The left front sliding sleeve (205) is rotationally connected with a left lower front support rod (2013) and a left middle rear support rod (2016) of the left scissor type telescopic lifting structure (201) through a left lower front rotating shaft connection (2020), and the left rear sliding sleeve (206) is rotationally connected with a left lower rear support rod (2014) and a left middle front support rod (2015) of the left scissor type telescopic lifting structure (201) through a left lower rear rotating shaft (2021).

2. A walking assist device as claimed in claim 1, wherein: the left elastic component is a left elastic rope, and the right elastic component is a right elastic rope.

3. A walking assist device as claimed in claim 1, wherein: the inner side of the lower end of the left armpit supporting pad (4) is provided with a left movable notch (401) which is movably connected with the left upper telescopic section of the left scissor type telescopic lifting structure (201).

4. A walking assist device as claimed in claim 1, wherein: left side armpit supporting pad (4) side middle part equidistance be equipped with left side scissors fork telescopic lift structure (201) left side upper telescopic section be connected left altitude mixture control hole (402).

5. A walking assist device as claimed in claim 1, wherein: the right side auxiliary structure (3) further comprises a right side scissor type telescopic lifting structure (301).

6. The walking assist device of claim 5 wherein: the right scissor type telescopic lifting structure (301) comprises an upper right telescopic section which is arranged above and connected with the right armpit supporting pad (5), a lower right telescopic section which is arranged below and connected with the stair roller device (1), and a middle right telescopic section which is connected between the upper right telescopic section and the lower right telescopic section.

7. The walking assist device of claim 6 wherein: the upper right telescopic section comprises an upper right front support rod (3011) and an upper right rear support rod (3012), the lower right telescopic section comprises an upper right front support rod (3013) and a lower right rear support rod (3014), the lower right middle telescopic section comprises a lower right middle front support rod (3015), a lower right middle rear support rod (3016) and a right middle rotating shaft (3017), the lower right middle front support rod (3015) and the lower right middle rear support rod (3016) are rotationally connected through the right middle rotating shaft (3017), the lower end of the upper right front support rod (3011) is rotationally connected with the upper end of the lower right middle front support rod (3015) through an upper right front rotating shaft (3018), the lower end of the upper right rear support rod (3012) is rotationally connected with the upper right middle rear support rod (3016) through an upper right rear rotating shaft (3019), the upper end of the lower right front support rod (3013) and the lower right middle rear support rod (3016) are rotationally connected (3020) through a lower right front rotating shaft (3021).

8. The walking assist device of claim 7 wherein: the right upper front supporting rod (3011), the right lower rear supporting rod (3014) and the right middle rear supporting rod (3016) are parallel to each other and are in the same plane; the right upper rear supporting rod (3012), the right lower front supporting rod (3013) and the right middle front supporting rod (3015) are parallel to each other and are in the same plane.

9. The walking assist device of claim 8 wherein: the right side auxiliary structure (3) further comprises a right front sliding pillar (303) arranged on the front side of the right scissor type telescopic lifting structure (301), a right rear sliding pillar (304) arranged on the rear side of the right scissor type telescopic lifting structure (301), a right front sliding sleeve (305) movably connected with the right front sliding pillar (303) up and down, and a right rear sliding sleeve (306) movably connected with the right rear sliding pillar (304) up and down.

10. The walking assist device of claim 9 wherein: the upper end of the right front sliding support (303) is rotationally connected with a right upper front support rod (3011) and a right middle front support rod (3015) of the right scissor type telescopic lifting structure (301) through a right upper front rotating shaft (3018), and the right front sliding support (303) is connected with a right lower front support rod (3013) and a right middle rear support rod (3016) of the right scissor type telescopic lifting structure (301) through a right front sliding sleeve (305); the upper end of the right rear sliding support (304) is rotationally connected with a right upper rear support rod (3012) and a right middle rear support rod (3016) of the right scissor type telescopic lifting structure (301) through a right upper rear rotating shaft (3019), and the right rear sliding support (304) is connected with a right lower rear support rod (3014) and a right middle front support rod (3015) of the right scissor type telescopic lifting structure (301) through a right rear sliding sleeve (306).

11. The walking assist device of claim 10 wherein: the right front sliding sleeve (305) is rotationally connected with a right lower front support rod (3013) and a right middle rear support rod (3016) of the right scissor type telescopic lifting structure (301) through a right lower front rotating shaft connection (3020), and the right rear sliding sleeve (306) is rotationally connected with a right lower rear support rod (3014) and a right middle front support rod (3015) of the right scissor type telescopic lifting structure (301) through a right lower rear rotating shaft (3021).

12. The walking assist device of claim 5 wherein: the inner side of the lower end of the right armpit supporting pad (5) is provided with a right movable notch (501) which is movably connected with the right upper telescopic section of the right scissor type telescopic lifting structure (301).

13. The walking assist device of claim 5 wherein: right side armpit supporting pad (5) side middle part equidistance be equipped with right side scissors fork telescopic lift structure (301) right side upper telescopic section be connected right altitude mixture control hole (502).

14. A walking assist device as claimed in claim 2, wherein: the left elastic rope is arranged between the left middle front support rod (2015) and the left middle rear support rod (2016), and the right elastic rope is arranged between the right middle front support rod (3015) and the right middle rear support rod (3016).

15. The walking assist device of claim 9 wherein: left side adjusting holes (207) are respectively formed in the side faces of the left front sliding support (203) and the left rear sliding support (204) at equal intervals, and right side adjusting holes (307) are respectively formed in the side faces of the right front sliding support (303) and the right rear sliding support (304) at equal intervals.

16. The walking assist device of claim 9 wherein: left side cushion (208) are respectively arranged at the bottom ends of the left front sliding support (203) and the left rear sliding support (204), and right side cushion (308) are respectively arranged at the bottom ends of the right front sliding support (303) and the right rear sliding support (304).

17. The walking assist device of claim 9 wherein: the left front sliding support (203) and the left rear sliding support (204) are arranged on the outer side of the left scissor type telescopic lifting structure (201), and the right front sliding support (303) and the right rear sliding support (304) are arranged on the outer side of the right scissor type telescopic lifting structure (301).

18. The walking assist device of claim 9 wherein: the left front sliding support (203) and the left rear sliding support (204) are positioned on the inner side of the left scissor type telescopic lifting structure (201), and the right front sliding support (303) and the right rear sliding support (304) are positioned on the inner side of the right scissor type telescopic lifting structure (301).

19. A walking assist device as claimed in claim 1, wherein: a cushion (7) is arranged between the left auxiliary structure (2) and the rear side of the right auxiliary structure (3).

20. A walking assist device as claimed in claim 19, wherein: the seat cushion (7) is fixedly arranged between the left rear sliding pillar (204) and the right rear sliding pillar (304).

21. A walking assist device as claimed in claim 20, wherein: the seat cushion (7) comprises a seat cushion main body (701) and a penetrating rod (703), a through hole (702) is formed in the side edge of the seat cushion main body (701), and the seat cushion main body (701) is fixedly connected with the right sliding support column (303) through the penetrating rod (703).

22. A walking assist device as claimed in claim 1, wherein: the left side auxiliary structure (2) is characterized in that a left side rotating handrail structure (8) is arranged on a left front sliding support (203), and a right side rotating handrail structure (9) is arranged on a right front sliding support (303) of the right side auxiliary structure (3).

23. A walking assist device as claimed in claim 22, wherein: the left side rotating handrail structure (8) comprises a left upper limit sleeve (801), a left lower limit sleeve (802), a left side bolt (803) and a left side handrail (804), wherein the left upper limit sleeve (801) and the left lower limit sleeve (802) are respectively arranged on the upper side and the lower side of the left side handrail (804), and the left upper limit sleeve (801) and the left lower limit sleeve (802) are fixedly connected with a left side adjusting hole (207) on the left front sliding support column (203) through the left side bolt (803).

24. A walking assist device as claimed in claim 23, wherein: the right side rotating handrail structure (9) comprises a right upper limit sleeve (901), a right lower limit sleeve (902), a right side bolt (903) and a right side handrail (904), wherein the right upper limit sleeve (901) and the right lower limit sleeve (902) are respectively arranged on the upper side and the lower side of the right side handrail (904), and the right upper limit sleeve (901) and the right lower limit sleeve (902) are fixedly connected with a right side adjusting hole (307) on a right front sliding support column (303) through the right side bolt (903).

25. A walking assist device as claimed in claim 24, wherein: the left armrest (804) is horizontally rotatable about the left front sliding pillar (203), and the right armrest (904) is horizontally rotatable about the right front sliding pillar (303).

26. The walking assist device of claim 9 wherein: the upper parts of the left front sliding support column (203) and the right front sliding support column (303) are respectively fixedly provided with a safety belt buckle (10).

27. A walking assist device as claimed in claim 1, wherein: the stair roller device includes: transition wheel (101), runner (102), support frame (103), transition wheel pivot (104) and runner pivot (105), three the runner centers on the axis of transition wheel is even annular arrangement, support frame (103) include with the center connecting portion that the transition wheel is connected and three with each the bracing piece that the runner one-to-one is connected, transition wheel (101) are connected through transition wheel pivot (104) and support frame (103) center connecting portion rotation, runner (102) middle part is connected through runner pivot (105) and support frame (103) bracing piece rotation.

28. A walking assist device as claimed in claim 27, wherein: the distance between the transition wheel rotating shaft (104) and the rotating wheel rotating shaft (105) is smaller than the sum of the radii of the transition wheel (101) and the rotating wheel (102).

29. A walking assist device as claimed in claim 27, wherein: the diameter ratio of the transition wheel (101) to the rotating wheel (102) is 3:2.

30. A walking assist device as claimed in claim 27, wherein: one end of the supporting rod of the supporting frame (103) deviating from the central connecting part of the supporting frame (103) is provided with a bending protrusion (106), the bending direction of the bending protrusion (106) is opposite to the advancing direction of the rotating wheel, and the tail end of the bending protrusion (106) is provided with a protrusion monomer (107) protruding the edge of the rotating wheel.

31. A walking assist device as claimed in claim 30, wherein: the bending angle of the bending lug (106) is 15-25 degrees.

32. A walking assist device as claimed in claim 30, wherein: the anti-skid rubber head (108) is arranged on the protruding head monomer (107).

33. A walking assist device as claimed in claim 30, wherein: the number of the transition wheels (101) is two, and the transition wheels (101) are arranged on two sides of the rotating wheel (102).

34. A walking assist device as claimed in claim 33, wherein: the number of the transition wheels (101) is one, the rotating wheels (102) comprise two rotating wheel monomers, and the two rotating wheel monomers are arranged on two sides of the transition wheels (101).