CN209490225U - The sick and wounded patient's auxiliary walking device of foot - Google Patents

Abstract

The utility model relates to a kind of sick and wounded patient's auxiliary walking devices of foot, belong to consumer goods industries, including support component, foldable assembly, height adjustment assembly and lift component, support component includes chassis, chassis lower hinge distinguishes two bending supporting legs, two bending supporting legs rotate synchronously, it is bent supporting leg bent intermediate, it is being bent supporting leg knee hingedly long allotment leg, ankle and foot is at relatively raised, lower limb can bear a heavy burden, make normal knee joint, femur normally receives mechanical stimulation, avoid muscular atrophy, anchylosis, liberate both hands, it can be infused simultaneously, it settles a dispute by the parties concerned themselves urine, reduction is accompanied and attended to expense.

Description

The sick and wounded patient's auxiliary walking device of foot

Technical field

The utility model relates to a kind of sick and wounded patient's auxiliary walking devices of foot, belong to consumer goods industries.

Background technique

Sprain of ankle joint is clinical common disease, is the highest disease of disease incidence in joint and ligament injury.Ankle closes Section is the human body weight-bearing joints nearest apart from ground, that is to say, that ankle-joint is that whole body bears a heavy burden most joints.Ankle-joint it is steady It is qualitative to play an important role for daily activity and being normally carried out for sports.Ligament injury around ankle-joint belongs to The scope of sprain of ankle joint.The damage that sprain of ankle joint may cause includes the anterior talofibular ligament calcaneofibular ligament of external malleolus, internal malleolus three Angle ligament, lower tibiofibula transverse ligament etc..

Sprained ankle patient postoperative general wheelchair, crutch walking, lower limb do not bear a heavy burden, and lower limb muscles is easy to cause to wither Contracting needs others to take care of with wheelchair.Hand is occupied with crutch, while veins of lower extremity reflux is impacted.Unilateral ankle is damaged at present Patient, which mostly uses, leans on crutches walking.Disadvantage: 1, injury is in extreme lower position, is unfavorable for venous return, increases affected part swelling.2, because It cannot bear a heavy burden for limbs distalmost end, cause the hip of health, knee joint that can not bear a heavy burden, cannot get effective mechanical stimulation, lead to flesh Meat atrophy is chronically at flexion, thrombus easy to form.The equal sick and wounded recovery from illness of ankles, leaves hip and knee dysfunction.3, double Walking is turned, both hands can not free, and increase patient nursing expense.

Utility model content

According to the above-mentioned deficiencies in the prior art, technical problem to be solved by the utility model is: providing a kind of foot's wound Patient's auxiliary walking device, ankle and foot is at relatively raised, and lower limb can bear a heavy burden, and normal knee joint, femur is made to normally receive mechanics Stimulation avoids muscular atrophy, anchylosis, liberates both hands, can be infused simultaneously, and urine of settling a dispute by the parties concerned themselves reduces expense of accompanying and attending to.

The sick and wounded patient's auxiliary walking device of foot described in the utility model, including support component, foldable assembly, height are adjusted It saves component and lifts component,

Support component includes chassis, and chassis lower hinge distinguishes two bending supporting legs, and two bending supporting legs rotate synchronously, bending Supporting leg bent intermediate is being bent supporting leg knee hingedly long allotment leg；

Foldable assembly includes folding fixing sleeve, folds fixing sleeve and covers on long allotment leg and fix, folds and cut with scissors on fixing sleeve Folding adjusting rod is connect, adjusting rod is folded and is placed in folding adjusting set, setting on adjusting jacket wall is folded and folds threaded hole, folding screw thread Cooperate folding bolt in hole, fold setting on adjusting rod and fold counterbore, the diameter for folding counterbore is greater than the diameter of folding bolt；

Height adjustment assembly includes height adjustment nut, and height adjustment nut includes guide sleeve and rotating nuts, guide sleeve clamping At the top of rotating nuts, and guide sleeve can be passed through in guide sleeve rotary-top, height adjustment nut and cooperated with rotating nuts, height Adjusting nut is vertically fixed on chassis, and height adjustment nut passes through chassis, and height adjusting screw rod upper end is fixedly connected with height and adjusts Disk is saved, setting locking counterbore on height adjustment disk bottom surface locks fixed magnet in counterbore, cooperates locking level in locking counterbore, Locking level is irony, setting locking through-hole on chassis, and locking level cooperation is in locking through-hole, and locking level is by height adjustment disk and bottom The relative position of disk is fixed；

Lifting component includes shell, and shell inner surface and people leg outer surface after bending cooperate, upper part of the housing and lower part Human thigh and lower leg portion, the fixed buffer layer of shell inner surface are respectively corresponded, shell knee position is fixed on height adjustment disk On, the hinged curvature adjusting screw rod in two sides of shank position is corresponded on shell, curvature adjusting screw rod cooperates in sliding sleeve, sliding sleeve hinge The position for corresponding to thigh on shell is connect, cooperates curvature adjusting nut on curvature adjusting screw rod, curvature adjusting nut is on sliding sleeve It holds, extension rod is fixed on curvature adjusting nut upper surface, the fixed capstan of extension rod, capstan and curvature adjusting nut are coaxial, capstan Diameter is greater than the diameter of curvature adjusting nut, and setting velcro fastener is used to fixed leg on shell；

It is equipped with pressure sensor layer above buffer layer, is equipped with battery, control device and torque motor, torque above bottom plate The shaft of motor is equipped with gear A, and height adjustment nut includes guide sleeve and rotating nuts, and guide sleeve is connected at the top of rotating nuts, And gear B can be equipped on the outside of guide sleeve rotary-top, rotating nuts, gear B and gear A pass through chain interoperation；Battery is logical It crosses to start switch and is connected to control device and torque motor, be that control device and torque motor are powered, torque motor rotates forward, and passes through Gear A, chain and gear B drive rotating nuts rotation, and rotating nuts are jacked up shell by height adjusting screw rod, torque motor Reversion drives rotating nuts rotation by gear A, chain and gear B, and rotating nuts are dropped shell by height adjusting screw rod It falls.It starts switch and is mounted on case top.

Locking counterbore is two, and two locking counterbores are respectively in height adjustment disk two sides, two locking counterbores and height adjustment Disk is on the same line.

Handle is fixed in long allotment leg upper end.

Shell is PVC material, has certain toughness, can be bent.

Hinged two spinner handle in height adjusting screw rod lower end, two spinner handle width are less than the diameter of height adjusting screw rod, height adjustment Cooperation weight bearing nut on screw rod, spinner handle do not hinder nut handling of bearing a heavy burden.

Buffer layer edge will exceed the edge of shell, prevent skin from directly contacting with shell and by skin tears.

It is bent the fixed rubber mat of supporting leg and long allotment leg lower end, prevents from generating noise and abrasion with ground friction.

Control device includes relay A, relay B, relay C, comparator A, comparator B, comparator C and power supply conversion Module, comparator A, comparator B, comparator C an input terminal be all connected to the output end of power conversion module, comparator A, Comparator B, comparator C another input terminal be all connected to the signal output end of pressure sensor layer.The coil one of relay A End is connected respectively to the signal output end of comparator A and by the normal of first normally opened contact of relay A and relay B Closed contact is connected to battery positive voltage, and the coil other end of relay A is connected to power cathode, and second of relay A is normally opened Contact one end is connected to power cathode, and the other end is connected to the rotating forward electric operating end of the electric machine controller of torque motor；

Coil one end of relay B is connected to the signal output end of comparator B, and the other end is connected to power cathode；

Coil one end of relay C be connected respectively to the signal output end of comparator C and pass through relay C first The normally-closed contact of normally opened contact and relay B are connected to battery positive voltage, and it is negative that the coil other end of relay C is connected to power supply Second normally opened contact one end of pole, relay C is connected to power cathode, and the other end is connected to the electric machine controller of torque motor Reversion electric operating end.

Operation principle and process:

Adjust foldable assembly:

The angle between long allotment leg and two bending supporting legs is adjusted, and then adjusts long allotment leg lower end and two bending supporting legs The distance between, its bigger degree of stability of distance is bigger, and folds adjusting rod and be hinged on folding fixing sleeve, folds adjusting rod and exists When relatively moving with folding adjusting set, chassis still keeps horizontal, folding bolt is tightened after regulating, folding bolt protrudes into It folds in counterbore, and then the position of long allotment leg and chassis is fixed；

Adjust height adjustment assembly:

(1) if the application is hanging under the drive for hurting leg, or bending supporting leg ground connection, but support can not be played to leg and made With at this moment velcro fastener stress will be hurt leg and is attached with shell, and pressure sensor does not stress or stress very little, pressure sensing The voltage of the electric signal of device output is very low or is zero, the electric signal of the corresponding 60 jin of pressure of the voltage that power conversion module issues, than CL Compare Logic compared with device A is, when second input terminal voltage is less than first input end's voltage, comparator A output is curved when occurring When bent supporting leg is hanging or can not play a supporting role to leg, the voltage of the electric signal of pressure sensor feedback is unable to reach 60 jin The voltage of electric signal, then comparator A output signal, the coil of relay A obtain electric, first normally opened contact closure of relay A, The coil of relay A is set to be powered always, the normally opened contact of relay A is closed always, second normally opened contact of such relay A Also it can remain closed, the rotating forward signal receiving end of the electric machine controller of torque motor can persistently receive signal and drive torque motor It rotates forward, moves up height adjusting screw rod, if being bent the support force deficiency that supporting leg is hanging or provides, torque motor can be made to drive height Degree adjusts stud and moves up, if shell is connect with leg is hurt, High definition then becomes bending supporting leg and moves down, and contacts ground, provides one Support force is determined, until the signal of sending is equal to power conversion module hair when shell reaches 60 jin with the pressure for hurting between leg upwards The voltage class of signal out, the output end of comparator B can export at this time, the electricity of the coil of relay B, and relay B's is normally closed Contact disconnects, and makes the coil losing electricity of relay A, and the company normally opened contact of relay A disconnects, and torque motor stopping is acted and locked Only, adjusting finishes.

(2) it is pressed on pressure sensor if user wants to keep body erect to need to hurt leg and bear full weight power, Another one leg is hanging, and the signal voltage levels that at this moment pressure sensor issues are higher than the voltage class that power conversion module issues, In this case the output end of comparator C can issue signal, and the coil of relay C obtains electric, first normally opened contact of relay C Closure, makes the coil of relay C be powered always, and the normally opened contact of relay C is closed always, and second of such relay C is often Holding contact can also remain closed, and the reverse signal receiving end of the electric machine controller of torque motor can persistently receive signal drive Torque motor reversion, moves down height adjusting screw rod, if shell is connect with leg is hurt, High definition then becomes shell and moves down, makes another Leg contacts ground, provides certain support force, until when shell reaches 60 jin with the pressure for hurting between leg upwards, the signal of sending Equal to the voltage class for the signal that power conversion module issues, the output end of comparator B can be exported at this time, the coil of relay B Electricity, the normally-closed contact of relay B disconnects, and makes the coil losing electricity of relay A, the company normally opened contact disconnection of relay A, torque Simultaneously locking, adjusting finish for motor stopping movement.

Component is lifted in adjusting:

Capstan is rotated, capstan drives curvature adjusting nut to rotate by extension rod, and since shell itself has elasticity, make It obtains sliding sleeve and abuts curvature adjusting nut always, the feeding of curvature adjusting nut can oppress sliding sleeve, so that sliding sleeve and curvature adjusting screw rod It relatively moves, so that the distance between screw rod hinged end and sliding sleeve change, and then adjustment housings top is under The bending angle in portion, that is, the bending angle of leg, reversely rotate capstan, and curvature adjusting nut stops compressing sliding sleeve, shell It is opened under own resilient effect, limit leg in this way bends and stretches angle, cannot can only be bent outward completely inward, i.e., It gives leg certain activity space, prevents fixed curvature for a long time and lead to knee contracture, and can prevent leg from excessively stretching Exhibition prevents injured ankle-joint from contacting to earth or colliding with and causes secondary damage；

People's leg protrudes into shell, and upper part of the housing and lower part respectively correspond human thigh and lower leg portion, is then taken with nylon Button fixes leg and shell, and the sick and wounded patient's auxiliary walking device of this foot can provide support, substitutes knee joint or less leg Work, while there are three supporting points for two bending supporting legs and one long allotment leg and ground, and support is reliable, with patient injury's leg The hand of opposite side hold handle and provide balance for upper body, while shell is equipped with there is pressure sensor to feed back to control device Signal, the signal that control device is fed back according to pressure sensor；

Locking counterbore is two, and two locking counterbores are respectively in height adjustment disk two sides, two locking counterbores and height adjustment Disk on the same line, locks fixed magnet in counterbore, and magnet prevents locking level from falling, and locking level, lock are cooperated in locking counterbore Fixed pole is irony, and setting locking through-hole on chassis, locking level cooperation is protruded into after locking level is passed through lock hole in locking through-hole It locks counterbore and is attracted with magnet, locking level fixes the relative position of height adjustment disk and chassis at this time；If it is another The ankle injury of leg pulls up locking level, and rotation height adjustment disk 180 degree, another locking counterbore and locking through-hole are coaxial at this time, Then it reinserts locking level and protrudes into locking counterbore and magnet actuation, be still the hand with the opposite side of patient injury's leg at this time It holds handle and provides balance for upper body, can thus be switched over for left and right leg, without specifically for left and right leg exploitation two Walk helper, and clever structure are covered, it is low in cost；

When not used, folding bolt is unscrewed, so that folding bolt is detached from the folding counterbore folded in adjusting set, is adjusted folding Then bending supporting leg is folded with folding landing leg, chassis is started and folded, greatlys save storage space by pole extraction.

Possessed beneficial effect is the utility model compared with prior art:

The sick and wounded patient's auxiliary walking device of foot described in the utility model, ankle and foot is at relatively raised, and lower limb can bear a heavy burden, and makes Normal knee joint, femur normally receive mechanical stimulation, avoid muscular atrophy, anchylosis, liberate both hands, can be defeated simultaneously Liquid, urine of settling a dispute by the parties concerned themselves reduce expense of accompanying and attending to.

Detailed description of the invention

Fig. 1 is the utility model embodiment schematic diagram；

Fig. 2 is embodiment illustrated in fig. 1 sectional view；

Fig. 3 is embodiment illustrated in fig. 2 Section A-A schematic diagram；

Fig. 4 is embodiment illustrated in fig. 3 section B-B schematic diagram；

Fig. 5 is that embodiment illustrated in fig. 1 lifts component curvature Principles of Regulation figure；

Fig. 6 is the utility model electrical schematic diagram.

In figure: 1, capstan；2, extension rod；3, buffer layer；4, shell；5, velcro fastener；6, curvature adjusting nut；7, sliding Set；8, curvature adjusting screw rod；9, handle；10, height adjustment disk；11, chassis；12, it is bent supporting leg；13, fixing sleeve is folded；14, Long allotment leg；15, magnet；16, counterbore is locked；17, locking level；18, height adjustment disk 19, height adjustment nut；20, height is adjusted Save screw rod；21, bear a heavy burden nut；22, spinner handle；23, adjusting rod is folded；24, counterbore is folded；25, folding bolt；26, it folds and adjusts Set；27, threaded hole is folded；28, through-hole is locked.29, gear B；30, torque motor；31, gear A；32, rotating nuts；33, it presses Force sensor layer；34, battery；35, control device；36, power conversion module；37, comparator A；38, relay A；39, compare Compared with device B；40, comparator C；41, relay C；42, relay B；43, it starts switch；44, guide sleeve.

Specific embodiment

The embodiments of the present invention are described further with reference to the accompanying drawing:

As shown in figs 1 to 6, the sick and wounded patient's auxiliary walking device of foot described in the utility model, including support component, Foldable assembly, height adjustment assembly and component is lifted,

Support component includes chassis 11, and 11 lower hinge of chassis distinguishes two bending supporting legs 12, and two bending supporting legs 12 are synchronous Rotation is bent 12 bent intermediate of supporting leg, is being bent 12 knee of supporting leg hingedly long allotment leg 14；

Foldable assembly includes folding fixing sleeve 13, folds 13 sets of fixing sleeve on long allotment leg 14 and fixes, folds and fix Adjusting rod 23 is hingedly folded on set 13, is folded adjusting rod 23 and is placed in folding adjusting set 26, folds and folding is set on 26 wall of adjusting set Folded threaded hole 27, folds and cooperates folding bolt 25 in threaded hole 27, folds setting on adjusting rod 23 and folds counterbore 24, folds counterbore 24 diameter is greater than the diameter of folding bolt 25；

Height adjustment assembly includes height adjustment nut 19, and height adjustment nut includes guide sleeve 44 and rotating nuts 32, is led Set 44 is connected to the top of rotating nuts 32, and can 44 rotary-top of guide sleeve, height adjustment nut 19 pass through guide sleeve 44 and with Rotating nuts 32 cooperate, and height adjusting screw rod 20 is fixedly connected with height adjustment disk 18, and height adjustment disk 10 is fixed on outside bearing 18 On circle, setting locking counterbore 16, locks fixed magnet 15 in counterbore 16 on 10 bottom surface of height adjustment disk, locks in counterbore 16 Cooperate locking level 17, locking level 17 is irony, and setting locking through-hole 28 on chassis 11, the cooperation of locking level 17 is in locking through-hole 28 Interior, locking level 17 fixes height adjustment disk 10 and the relative position on chassis 11；

Lifting component includes shell 4, and 4 inner surface of shell and people leg outer surface after bending cooperate, and 4 top of shell is under Portion respectively corresponds human thigh and lower leg portion, the fixed buffer layer 3 of 4 inner surface of shell, and 4 knee position of shell is fixed on height and adjusts It saves on disk 10, the hinged curvature adjusting screw rod 8 in two sides of shank position is corresponded on shell 4, curvature adjusting screw rod 8 cooperates in sliding sleeve In 7, sliding sleeve 7 is hinged on the position that thigh is corresponded on shell 4, cooperates curvature adjusting nut 6, curvature tune on curvature adjusting screw rod 8 Section nut 6 fixes extension rod 2 on 7 upper end of sliding sleeve, 6 upper surface of curvature adjusting nut, the fixed capstan 1 of extension rod 2, capstan 1 with Curvature adjusting nut 6 is coaxial, and 1 diameter of capstan is greater than the diameter of curvature adjusting nut 6, and setting velcro fastener 5 is used to solid on shell 4 Determine leg.

It is equipped with pressure sensor layer 33 above buffer layer, battery 34, control device 35 and torque electricity are equipped with above bottom plate The shaft of machine 30, torque motor 30 is equipped with gear A 31, and height adjustment nut includes guide sleeve 44 and rotating nuts 32, guide sleeve 44 It is connected to 32 top of rotating nuts, and gear B, 29 He of gear B can be equipped on the outside of 44 rotary-top of guide sleeve, rotating nuts 32 Gear A passes through chain interoperation；Battery 34 is connected to control device 35 and torque motor 30 by starting switch 43, for control dress 35 and the power supply of torque motor 30 are set, torque motor 30 rotates forward, and passes through gear A 31, chain and gear B 29 and rotating nuts 32 is driven to revolve Turn, rotating nuts 32 are jacked up shell by height adjusting screw rod, and torque motor 30 inverts, and pass through gear A 31, chain and gear B29 drives rotating nuts 32 to rotate, and rotating nuts 32 are landed shell by height adjusting screw rod.It starts switch 43 and is mounted on shell At the top of body.

Locking counterbore 16 is two, two locking counterbores 16 respectively in 18 two sides of height adjustment disk, two locking counterbores 16 and Height adjustment disk 18 is on the same line.

The fixed handle 9 in long 14 upper end of allotment leg.

Shell 4 is PVC material, has certain toughness, can be bent.

Hinged two spinner handle 22 in 20 lower end of height adjusting screw rod, two spinner handles, 22 width are less than the diameter of height adjusting screw rod 20, Cooperation weight bearing nut 21 on height adjusting screw rod 20, spinner handle 22 do not hinder the handling of nut 21 of bearing a heavy burden.

3 edge of buffer layer will exceed the edge of shell 4, prevent skin and shell 4 from directly contacting and by skin tears.

It is bent the fixed rubber mat of supporting leg 12 and long 14 lower end of allotment leg, prevents from generating noise and abrasion with ground friction.

Control device 35 includes relay A38, relay B42, relay C41, comparator A37, comparator B39, compares Device C40 and power conversion module 36, comparator A37, comparator B39, comparator C40 an input terminal be all connected to power supply The output end of conversion module 36, comparator A37, comparator B39, comparator C40 another input terminal be all connected to pressure biography The signal output end of sensor layer 33.Coil one end of relay A38 is connected respectively to the signal output end of comparator A37 and leads to The normally-closed contact of first normally opened contact and relay B42 of crossing relay A38 is connected to 34 anode of battery, relay A38 The coil other end be connected to power cathode, second normally opened contact one end of relay A38 is connected to power cathode, the other end It is connected to the rotating forward electric operating end of the electric machine controller of torque motor 30.

Coil one end of relay B42 is connected to the signal output end of comparator B39, and the other end is connected to power cathode.

Coil one end of relay C41 is connected respectively to the signal output end of comparator C40 and by relay C41's The normally-closed contact of first normally opened contact and relay B42 are connected to 34 anode of battery, and the coil other end of relay C41 connects It is connected to power cathode, second normally opened contact one end of relay C41 is connected to power cathode, and the other end is connected to torque motor The reversion electric operating end of 30 electric machine controller.

Operation principle and process:

Adjust foldable assembly:

The angles between long allotment leg 14 and two bending supporting legs 12 are adjusted, and then adjust long 14 lower end of allotment leg and two curved The distance between bent supporting leg 12, its bigger degree of stability of distance is bigger, and folds adjusting rod 23 and be hinged on folding fixing sleeve 13, Adjusting rod 23 is folded when relatively moving with folding adjusting set 26, chassis 11 still keeps horizontal, and folding is tightened after regulating Folded bolt 25, folding bolt 25, which protrudes into, to be folded in counterbore 24, and then the position of long allotment leg 14 and chassis 11 is fixed；

Adjust height adjustment assembly:

(1) if the application is hanging under the drive for hurting leg, or bending supporting leg ground connection, but support can not be played to leg and made With at this moment velcro fastener stress will be hurt leg and is attached with shell, and pressure sensor does not stress or stress very little, pressure sensing The voltage of the electric signal of device output is very low or is zero, the electric signal of the corresponding 60 jin of pressure of the voltage that power conversion module 36 issues, The CL Compare Logic of comparator A37 is, when second input terminal voltage is less than first input end's voltage, comparator A37 output, When the supporting leg that bends is hanging or can not play a supporting role to leg, the voltage of the electric signal of pressure sensor feedback can not reach To the voltage of 60 jin of electric signal, then comparator A37 output signal, the coil of relay A38 obtain it is electric, the first of relay A38 A normally opened contact closure, makes the coil of relay A38 be powered always, the normally opened contact of relay A38 is closed always, such relay Second normally opened contact of device A38 can also remain closed, and the rotating forward signal receiving end of the electric machine controller of torque motor 30 can be held Continued access receives signal and torque motor 30 is driven to rotate forward, and moves up height adjusting screw rod, if being bent the branch that supporting leg is hanging or provides Support force is insufficient, can make torque motor 30 that height adjustment stud be driven to move up, if shell is connect with leg is hurt, High definition then becomes Bending supporting leg moves down, and contacts ground, provides certain support force, until shell reaches 60 jin with the pressure hurt between leg upwards When, the signal of sending is equal to the voltage class for the signal that power conversion module 36 issues, and the output end of comparator B39 can be defeated at this time Out, the normally-closed contact of the electricity of the coil of relay B42, relay B42 disconnects, and makes the coil losing electricity of relay A38, relay The company normally opened contact of A38 disconnects, and simultaneously locking, adjusting finish for 30 stopping of torque motor movement.

(2) it is pressed on pressure sensor if user wants to keep body erect to need to hurt leg and bear full weight power, Another one leg is hanging, and the signal voltage levels that at this moment pressure sensor issues are higher than the voltage etc. that power conversion module 36 issues Grade, the output end of comparator C40 can issue signal in this case, the coil of relay C41 obtain it is electric, the first of relay C41 A normally opened contact closure, makes the coil of relay C41 be powered always, the normally opened contact of relay C41 is closed always, such relay Second normally opened contact of device C41 can also remain closed, and the reverse signal receiving end of the electric machine controller of torque motor 30 can be held Continued access receives signal and torque motor 30 is driven to invert, and moves down height adjusting screw rod, if shell is connect with leg is hurt, High definition, Then become shell to move down, make another one leg contact ground, certain support force is provided, until shell upwards with hurt the pressure between leg When reaching 60 jin, the signal of sending is equal to the voltage class for the signal that power conversion module 36 issues, and comparator B39's is defeated at this time Outlet can export, the electricity of the coil of relay B42, and the normally-closed contact of relay B42 disconnects, and make the coil losing electricity of relay A38, The company normally opened contact of relay A38 disconnects, and simultaneously locking, adjusting finish for 30 stopping of torque motor movement.

Component is lifted in adjusting:

Capstan 1 is rotated, capstan 1 drives curvature adjusting nut 6 to rotate by extension rod 2, and since shell 4 itself has bullet Property, so that sliding sleeve 7 abuts curvature adjusting nut 6 always, the feeding of curvature adjusting nut 6 can oppress sliding sleeve 7, so that sliding sleeve 7 and song Degree adjusting screw rod 8 relatively moves, so that the distance between screw rod hinged end and sliding sleeve 7 change, and then adjusts The bending angle of 4 upper and lower part of shell, that is, the bending angle of leg, reversely rotate capstan 1, and curvature adjusting nut 6 stops Sliding sleeve 7 is only oppressed, shell 4 opens under own resilient effect, and limit leg in this way bends and stretches angle, can only inward completely And cannot be bent outward, i.e., activity space certain to leg, it prevents fixed curvature for a long time and leads to knee contracture, and Leg hyper-extended can be prevented, prevents injured ankle-joint from contacting to earth or colliding with and causes secondary damage；

People's leg protrudes into shell 4, and 4 upper and lower part of shell respectively corresponds human thigh and lower leg portion, then uses nylon Hasp 5 is fixed by leg and shell 4, and the sick and wounded patient's auxiliary walking device of this foot can provide support, substitutes knee joint or less The work of leg, while there are three supporting points for two bending supporting legs 12 and one long allotment leg 14 and ground, support is reliable, with trouble The hand of the opposite side of person's injury leg holds handle 9 and provides balance for upper body, while shell is equipped with and has pressure sensor to control 35 feedback signal of device processed, the signal that control device 35 is fed back according to pressure sensor；

Locking counterbore 16 is two, and two locking counterbores 16 respectively in 18 two sides of bearing, adjust by two locking counterbores 16 and height It saves disk 18 on the same line, locks fixed magnet 15 in counterbore 16, magnet 15 prevents locking level 17 from falling, and locks counterbore 16 Interior cooperation locking level 17, locking level 17 are irony, and setting locking through-hole 28 on chassis 11, the cooperation of locking level 17 is in locking through-hole 28 It is interior, locking level 17 is passed through and protrudes into locking after lock hole and counterbore 16 and is attracted with magnet 15, locking level 17 is by height adjustment at this time Disk 10 and the relative position on chassis 11 are fixed；If it is the ankle injury of another one leg, locking level 17 is pulled up, rotation height is adjusted 10180 degree of disk, another locking counterbore 16 and locking through-hole 28 are coaxial at this time, then reinsert locking level 17 and protrude into lock Determine counterbore 16 and magnet 15 to be attracted, be still at this time with the hand of the opposite side of patient injury's leg hold handle 9 provide for upper body it is flat Weighing apparatus can thus be switched over for left and right leg, and without developing two sets of walk helpers specifically for left and right leg, and structure is skilful It is wonderful, it is low in cost；

When not used, folding bolt 25 is unscrewed, so that folding bolt 25 is detached from the folding counterbore 24 folded in adjusting set 26, Adjusting rod 23 will be folded to extract out, bending supporting leg 12 is folded with folding landing leg then, chassis 11 is started and folded, significantly Save storage space.

The sick and wounded patient's auxiliary walking device of foot described in the present embodiment, ankle and foot is at relatively raised, and lower limb can bear a heavy burden, and makes just Normal knee joint, femur normally receive mechanical stimulation, avoid muscular atrophy, anchylosis, liberate both hands, can be infused simultaneously, It settles a dispute by the parties concerned themselves urine, reduction is accompanied and attended to expense.

Claims (7)

1. a kind of sick and wounded patient's auxiliary walking device of foot, which is characterized in that including support component, foldable assembly, height adjustment Component and component is lifted,

Support component includes chassis, and chassis lower part is respectively articulated with two bending supporting legs, and two bending supporting legs rotate synchronously, and is bent supporting leg Bent intermediate is being bent supporting leg knee hingedly long allotment leg；

Foldable assembly includes folding fixing sleeve, folds fixing sleeve and covers on long allotment leg and fix, folds and hingedly roll on fixing sleeve Folded adjusting rod, folding adjusting rod, which is placed in, to be folded in adjusting set, is folded and is adjusted setting folding threaded hole on jacket wall, folds in threaded hole Cooperate folding bolt, fold setting on adjusting rod and fold counterbore, the diameter for folding counterbore is greater than the diameter of folding bolt；

Height adjustment nut includes guide sleeve and rotating nuts, and guide sleeve is connected at the top of rotating nuts, and can be revolved at the top of guide sleeve Turn, height adjustment nut passes through guide sleeve and cooperates with rotating nuts, and height adjustment nut is vertically fixed on chassis, height adjustment Nut passes through chassis, and height adjusting screw rod upper end is fixedly connected with height adjustment disk, and setting locking is heavy on height adjustment disk bottom surface Hole locks fixed magnet in counterbore, and locking level is cooperated in locking counterbore, and locking level is irony, setting locking through-hole, lock on chassis In locking through-hole, locking level fixes the relative position of height adjustment disk and chassis for fixed pole cooperation；

Lifting component includes shell, and shell inner surface and people leg outer surface after bending cooperate, upper part of the housing and lower part difference Corresponding human thigh and lower leg portion, the fixed buffer layer of shell inner surface, shell knee position are fixed on height adjustment disk, shell The hinged curvature adjusting screw rod in two sides of shank position is corresponded on body, curvature adjusting screw rod cooperates in sliding sleeve, and sliding sleeve is hinged on The position of thigh is corresponded on shell, curvature adjusting nut is cooperated on curvature adjusting screw rod, curvature adjusting nut is in sliding sleeve upper end, song Extension rod is fixed on degree adjusting nut upper surface, the fixed capstan of extension rod, capstan and curvature adjusting nut are coaxial, and capstan diameter is big It is used to fixed leg in velcro fastener is arranged on the diameter of curvature adjusting nut, shell；

It is equipped with pressure sensor layer above buffer layer, is equipped with battery, control device and torque motor, torque motor above bottom plate Shaft be equipped with gear A, and gear B can be equipped on the outside of rotating nuts, gear B and gear A pass through in guide sleeve rotary-top Chain interoperation；Battery is connected to control device and torque motor by starting switch, and is that control device and torque motor are powered, Torque motor rotates forward, and drives rotating nuts rotation by gear A, chain and gear B, rotating nuts will by height adjusting screw rod Shell jacks up, and torque motor reversion, rotating nuts are landed shell by height adjusting screw rod；It starts switch and is mounted on shell top Portion.

2. the sick and wounded patient's auxiliary walking device of foot according to claim 1, which is characterized in that locking counterbore is two, Two locking counterbores are respectively in height adjustment disk two sides, and two locking counterbores and height adjustment disk are on the same line.

3. the sick and wounded patient's auxiliary walking device of foot according to claim 2, which is characterized in that long allotment leg upper end is fixed Handle.

4. the sick and wounded patient's auxiliary walking device of foot according to claim 3, which is characterized in that shell is PVC material, tool There is certain toughness, can be bent.

5. the sick and wounded patient's auxiliary walking device of foot according to claim 4, which is characterized in that height adjusting screw rod lower end Hinged two spinner handle, two spinner handle width are less than the diameter of height adjusting screw rod, and cooperation weight bearing nut on height adjusting screw rod, spinner handle is not Hinder weight bearing nut handling.

6. the sick and wounded patient's auxiliary walking device of foot according to claim 5, which is characterized in that buffer layer edge will exceed The edge of shell prevents skin from directly contacting with shell and by skin tears.

7. the sick and wounded patient's auxiliary walking device of foot according to claim 6, which is characterized in that bending supporting leg and long allotment Rubber mat is fixed in leg lower end, prevents from generating noise and abrasion with ground friction.