CN107157714B - Auxiliary walking device - Google Patents
Auxiliary walking device Download PDFInfo
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- CN107157714B CN107157714B CN201710459037.4A CN201710459037A CN107157714B CN 107157714 B CN107157714 B CN 107157714B CN 201710459037 A CN201710459037 A CN 201710459037A CN 107157714 B CN107157714 B CN 107157714B
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- wheel
- rocking bar
- flexible transmission
- transmission ring
- spanner
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims description 59
- 229920002635 polyurethane Polymers 0.000 claims description 14
- 239000004814 polyurethane Substances 0.000 claims description 14
- 230000005484 gravity Effects 0.000 claims description 8
- 210000004247 hand Anatomy 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 241000282376 Panthera tigris Species 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 210000003813 thumb Anatomy 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 6
- 210000003811 finger Anatomy 0.000 description 12
- 238000005096 rolling process Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 206010034464 Periarthritis Diseases 0.000 description 2
- 206010041591 Spinal osteoarthritis Diseases 0.000 description 2
- 206010003246 arthritis Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 208000036319 cervical spondylosis Diseases 0.000 description 2
- 201000000585 muscular atrophy Diseases 0.000 description 2
- 208000005801 spondylosis Diseases 0.000 description 2
- 206010003694 Atrophy Diseases 0.000 description 1
- 208000001132 Osteoporosis Diseases 0.000 description 1
- 230000037444 atrophy Effects 0.000 description 1
- 230000037182 bone density Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 210000002027 skeletal muscle Anatomy 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 208000029761 vertebral disease Diseases 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/04—Wheeled walking aids for patients or disabled persons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/04—Wheeled walking aids for patients or disabled persons
- A61H2003/043—Wheeled walking aids for patients or disabled persons with a drive mechanism
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/12—Driving means
- A61H2201/1253—Driving means driven by a human being, e.g. hand driven
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention belongs to the field of medical instrument technology, it is related to a kind of equipment of auxiliary elderly and infirm walking, including left frame, correct frame and intermediate connecting rod, finger mentions spanner upwards, the fixed point of synchronous belt is driven to move upwards, synchronous belt drives synchronizing wheel rotation, and synchronizing wheel drives idler wheel along ground surface by unilateral bearing, and the present invention is mobile towards the direction of advance;Spanner is decontroled, the fixed point of synchronous belt is driven to move downward, synchronous belt drives synchronizing wheel rotation, and synchronizing wheel drives the outer ring rotating of unilateral bearing, do not drive idler wheel, the present invention does not move.The present invention, which need not be done, to be mentioned upwards and towards pre-feed movement, only by the power for finger of holding with a firm grip, it can be moved forward using lesser power, it is safe and reliable, it will not skid, but the elderly of can hold finger handicapped particularly suitable for legs and feet and arm allows the elderly to take care of number one, dependence of the elderly to young man is reduced, young man is allow to trust outgoing work.
Description
Technical field
The invention belongs to the field of medical instrument technology, are related to a kind of equipment of auxiliary elderly and infirm walking, and in particular to
A kind of auxiliary walking device.
Background technique
People steps into old age, Hearing, hypopsia, and the visual field becomes smaller, and has a bad nose, insensitive, is slow in action, stride
It walks haltingly, bone in-seam salt component increases, and the brittleness of bone increases, and osteoporosis, bone density reduces, and is easy to happen fracture, is easy
Suffer from cervical spondylosis, arthritis, scapulohumeral periarthritis, lumbar vertebra disease, muscular atrophy, cervical vertebra joint and joint of lumbar vertebra are easy osteoproliferation, compressing mind
Caused pain and joint motion not flexible, skeletal muscle gradually atrophy due to activity reduces, elasticity reduces.Above various diseases
All can lead to the elderly have a pain in the leg, armache, bring inconvenience, especially inconvenient walking, arm cannot to the life of the elderly
Firmly, it can't take care of oneself, so that life of elderly person is very awkward.
The national policy of family planning and Circumstances of Market Economy of China affect people's lives, the generation seven as only child
Becoming between twenty and fifty after zero, after 80, be not only responsible for social responsibility, be also responsible for home duties, China is stepping into old
Ageization society, young couple may support four or more the elderlys, and young man should work to earn money and look after again
Old man is too busy to attend to anything else and has no way out, and burden is very heavy, has filial devotion to look after old man but no time and efforts, many old
Year, people cannot look after, oneself can only take care of number one.
Application No. is a kind of 201220334655.9, Chinese utility model patent of entitled " multifunction walking-aid device ", energy
Allow the self-service walking of the elderly, played fixed effect, include connection frame, be separately mounted to the connection frame two sides and can phase
To the connection frame rotation folding foot-supporting frame, it is independent can folding cushion and be separately mounted on foot-supporting frame and be located at foot-supporting frame with
Folding control handle at the top of connection frame at inserted terminal, the corresponding cushion for being provided with hook portion places pipe, branch on the connection frame
The hook portion corresponding cushion accommodating hook placed on pipe with cushion is installed on foot prop, can folding cushion place and manage through above-mentioned cushion
Hook portion and the common support of cushion accommodating hook open and use;The positioning for being equipped on connection frame and folding control handle corresponding matching
Disk offers on the periphery of the positioning disk and puts in the positioning that foot-supporting frame positioning is fixed for the spring plunger for folding control handle
Hole.The walk helper of the utility model, when assisting walking, the elderly's both hands help handle, and foot moves forward a step, double after standing firm
It hands up and gives the walk helper forward, move and move a step further along after placement is safe, it is double after standing firm to hand up and give this forward
Walk helper is so repeated continuously, and has achieved the purpose that auxiliary walking.
For Healthy People, mentioned-above " double to hand up and send forward " movement is easily done, but
It is for suffering from for the elderly of the symptoms such as cervical spondylosis, arthritis, scapulohumeral periarthritis, muscular atrophy, doing such movement may
Unthinkable pain is endured, may take up very big strength, which can assist legs and feet inconvenience and arm is normally old
Year people's walking, but it is but and impracticable for all handicapped the elderly of legs and feet and arm.
Summary of the invention
In place of improving the deficiencies in the prior art, one kind is provided and does not need to mention upwards and send forward,
Only need to hold with a firm grip and decontrol the auxiliary walking device that finger can also move forward.
The present invention is achieved through the following technical solutions:
A kind of auxiliary walking device, including left frame, correct frame and intermediate connecting rod;
Upper left handrail is arranged at the top of left frame, and lower end thereof has left branch face, left branch face and ground face contact, can produce on contact surface
The raw frictional force for being parallel to ground, prevents from skidding, the other end is connected with left single-direction transmission wheel assembly;Left single-direction transmission wheel assembly packet
Include left wheel, Left Drive wheel, left unilateral bearing and revolver axis, left unilateral bearing includes left outside circle and left inside circle, Left Drive wheel
Inner hole is fixedly connected with the external cylindrical surface of left outside circle, the intermediate shaft part external cylindrical surface of revolver axis and the fixed company of the inner hole of left inside circle
It connects, one end of revolver axis is fixedly connected with left wheel, the wheel rim and ground face contact of left wheel, the other end and left frame of revolver axis
It is connected by lower-left revolute pair;
It further include left Flexible Transmission ring and left tensioning wheel;Left tensioning wheel is connected with upper left handrail by upper left revolute pair;It is left
Flexible Transmission ring is tightly wound between left tensioning wheel and Left Drive wheel, left Flexible Transmission ring and Left Drive wheel by engaging tooth or
Frictional force connection;
It further include left rocking bar and left pressing plate, left rocking bar one end is connected by left hinge with left frame, and the other end is fixed with a left side
The fixed point of connecting plate, left connection board and left pressing plate on left Flexible Transmission ring clamps, when left rocking bar shakes up and down around left hinge
When pendulum, the fixed point of left Flexible Transmission ring can be driven to pump simultaneously, then whole left Flexible Transmission ring is around left biography
Driving wheel and left tensioning wheel move back and forth;It is additionally provided with left spanner on left rocking bar, in order to pass through finger manipulation;
Correct frame is identical with left frame structure, bilateral symmetry;Right upper handrail is arranged at the top of correct frame, and lower end thereof has right branch
Face, right branch face and ground face contact, can generate the frictional force for being parallel to ground on contact surface, prevent from skidding, the other end is connected with the right side
Single-direction transmission wheel assembly;Right single-direction transmission wheel assembly includes right idler wheel, right driving wheel, right unilateral bearing and right wheel axis, and the right side is unidirectional
Bearing includes right outer ring and right inner ring, and the inner hole of right driving wheel is fixedly connected with the external cylindrical surface of right outer ring, the centre of right wheel axis
Shaft part external cylindrical surface is fixedly connected with the inner hole of right inner ring, and one end of right wheel axis is fixedly connected with right idler wheel, the wheel rim of right idler wheel
It is connected with correct frame by bottom right revolute pair with the other end of ground face contact, right wheel axis;
It further include right Flexible Transmission ring and right tensioning wheel;Right tensioning wheel is connected with right upper handrail by upper right revolute pair;It is right
Flexible Transmission ring is tightly wound between right tensioning wheel and right driving wheel, right Flexible Transmission ring and right driving wheel by engaging tooth or
Frictional force connection;
It further include right rocking bar and right pressing plate, right rocking bar one end is connected by right hinge with correct frame, and the other end is fixed with the right side
The fixed point of connecting plate, right connection board and right pressing plate on right Flexible Transmission ring clamps, when right rocking bar shakes up and down around right hinge
When pendulum, the fixed point of right Flexible Transmission ring can be driven to pump simultaneously, then whole right Flexible Transmission ring is around right biography
Driving wheel and right tensioning wheel move back and forth;It is additionally provided with right spanner on right rocking bar, in order to pass through finger manipulation;
Left frame is connected by intermediate connecting rod as an entirety with correct frame.
Above-described left unilateral bearing and right unilateral bearing, i.e. unilateral bearing, including inner ring and outer ring, inner ring and outer ring
Between stud with rolling element, outer ring can be freely rotated in one direction relative to inner ring, and lock in the other directions.It is single
It is also freewheel clutch to bearing, only according to industry difference, acts on difference to name.Rolling element can be many rollings
Axis, needle roller or ball, and its shape for rolling seat (cave) roll it can only to a direction, and in the other directions can
Generate very big resistance, i.e., it is so-called " unidirectional ".Above-described left unilateral bearing, when left inside circle is fixed, on left unilateral bearing
Left outside circle from the ground closer side direction of rotation towards advance direction when be freely rotated, i.e., " it is left outside circle relative to a left side
The rotatable direction of inner ring ", locks in the opposite direction;Right outer ring when right inner ring is fixed, on right unilateral bearing
It is freely rotated when the direction that the direction of rotation direction of closer side is advanced from the ground, i.e., it " right outer ring can be certainly relative to right inner ring
By the direction rotated ", it locks in the opposite direction.
The invention also includes left limit plates and right limit plate, are respectively fixedly connected in left frame and correct frame, left rocking bar
Around hinge turns downwards under the effect of gravity, is not unlimitedly to turn downwards, but cannot be continued by being blocked by left limit plate by lower turn,
Right rocking bar is similarly blocked by right limit plate.
Above-described left Flexible Transmission ring and right Flexible Transmission ring can be flexible driving band, right such as synchronous belt, chain
It answers ground Left Drive wheel and right driving wheel is then synchronizing wheel, sprocket wheel, reached between two elements being used cooperatively by flexible tooth engagement
It can be flat belt, round belt with left Flexible Transmission ring and right Flexible Transmission ring to the purpose of transmission, accordingly Left Drive wheel and the right side
Driving wheel is then flat-belt pulley, flute profile wheel, achievees the purpose that transmission by frictional force between the element being used cooperatively.
Above-described left rocking bar teeters around left hinge, is swung up and refers to by four and be lifted up, can be with to lower swing
By gravity, left polyurethane sleeve and right polyurethane sleeve also can be set, left polyurethane sleeve covers between left rocking bar and left limit plate, right
Polyurethane sleeve covers between right rocking bar and right limit plate, and left rocking bar and right rocking bar is made to be restored to lower position by elastic force,
Rather than gravity is only leaned on, increase the reliability of work.Also can be used spring be connected between left rocking bar and left frame or
Between right rocking bar and correct frame.
Application method:
(1) legs and feet and all handicapped the elderly hand steered the upper left handrail and right upper handrail of the invention of arm, more specifically
The tiger's jaw of hand is said by upper left handrail and right upper handrail in ground, and other four fingers in addition to thumb are hooked in left spanner and right spanner
On;
(2) the mobile step in the direction slowly marched forward;
The four of (3) two hands refer to proposes left spanner and right spanner simultaneously upwards, then drives left Flexible Transmission ring and right flexibility respectively
The fixed point of transmission ring moves upwards, and whole left Flexible Transmission ring is moved around Left Drive wheel and left tensioning wheel, whole right flexibility
Transmission ring is moved around right driving wheel and right tensioning wheel;
(4) left Flexible Transmission annulus moves Left Drive wheel, left outside circle has the tendency that rotating around left inside circle, the direction of rotation
With " left outside circle is relative to the rotatable direction of left inside circle " on the contrary, left outside circle and left inside circle be lock together, so
Also it drives left inside circle with rotating synchronously together, while revolver axis and left wheel being driven to rotate together;Right Flexible Transmission ring is also same
Right idler wheel is driven to sample to rotate;Left wheel and right idler wheel are together along ground surface, and then the present invention can be moved towards the direction of advance
Dynamic, left branch face and right branch face are then slided along landing ground, can generate the frictional force for being parallel to ground on contact surface, produce the present invention not
It is raw to skid;
(5) two hands four refer to decontrols left spanner and right spanner respectively, then left rocking bar and right rocking bar under the effect of gravity or with
Under elastic force collective effect with when move down and blocked respectively by left limit plate and right limit plate, left rocking bar and right rocking bar drive a left side simultaneously
The fixed point of Flexible Transmission ring and right Flexible Transmission ring moves downward;
(6) left Flexible Transmission annulus moves Left Drive wheel, left outside circle around left inside circle along " left outside circle can be certainly relative to left inside circle
By the direction rotated " rotation, so left inside circle and left wheel be not with rotating together, similarly right idler wheel is not also rotated, this
A process present invention is parked in original place and does not move;
(7) step (2) to (6) are repeated.
It is repeated continuously above step, handicapped to legs and feet and arm but the finger that can hold with a firm grip the elderly can
Slowly to walk forward.
Not only there are left wheel and right idler wheel due to of the invention and ground face contact, there are also left branch face and right branch faces, with ground
Between have enough frictional force, without worry the present invention ground between skid.
If it is desired to it is curved to bear left, then the amplitude for pulling left spanner is smaller, and the amplitude for pulling right spanner is larger, right idler wheel
The distance to march ahead be greater than left wheel, the present invention can bear left to, otherwise can also bear right to.
Beneficial effects of the present invention: need not do and mention and towards pre-feed movement upwards, only by the power for finger of holding with a firm grip, using compared with
Small power can move forward, safe and reliable, will not skid, particularly suitable for legs and feet and arm all it is handicapped still
Can hold with a firm grip the elderly of finger, and the elderly is allow to take care of number one, and reduce dependence of the elderly to young man, make young man can
To trust outgoing work.
Detailed description of the invention
Fig. 1 is the three dimensional structure diagram of the embodiment of the present invention 1, and left rocking bar 12 and right rocking bar 22 move down and respectively by left limit
The situation that position plate 17 and right limit plate 27 block;
Fig. 2 is the front view of the embodiment of the present invention 1;
Fig. 3 is A direction view in Fig. 2;
Fig. 4 is B direction view in Fig. 2;
Fig. 5 is the cross-sectional view in Fig. 2 along line C-C;
Fig. 6 is in Fig. 2 along the cross-sectional view of E-E line;
Fig. 7 is the three dimensional structure diagram of the embodiment of the present invention 1, the shape that left spanner 122 and right spanner 222 are pulled up
Condition;
Fig. 8 is the three dimensional structure diagram of the embodiment of the present invention 2;
It is as shown in the figure: 1. left frames;11. upper left handrail;12. left rocking bar;121. left hinge;122. left spanner;123. left
Connecting plate;13. left pressing plate;15. left synchronous belt;16. left tensioning wheel;161. upper left revolute pairs;17. left limit plate;18. left unidirectional
Synchronous wheel assembly;181. left wheel;182. left synchronizing wheels;183. left outside circles;184. left inside circles;185. revolver axis;186. lower-left
Revolute pair;19. left branch face;D. left outside to enclose 183 relative to 184 rotatable directions of left inside circle;
2. correct frame;21. right upper handrail;22. right rocking bar;221. right hinges;222. right spanner;223. right connection board;23.
Right pressing plate;25. right synchronous belt;26. right tensioning wheel;27. right limit plate;28. right one-way synchronization wheel assembly;281. right idler wheels;
282. right synchronizing wheels;29. right branch face;
3. intermediate connecting rod;M. the direction advanced;
55. left flat belt;58. left unidirectional flat-belt pulley component;582. left flat-belt pulleies;59. left polyurethane sleeve;
65. right flat belt;68. right unidirectional flat-belt pulley component;682. right flat-belt pulleies;69. right polyurethane sleeve.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
Embodiment 1: referring to Fig. 1 to Fig. 7.
A kind of auxiliary walking device, including left frame 1, correct frame 2 and intermediate connecting rod 3;
Upper left handrail 11 is arranged at the top of left frame 1, and lower end thereof has left branch face 19, left branch face 19 and ground face contact, contact
The frictional force for being parallel to ground can be generated on face, prevents from skidding, and the other end is connected with left one-way synchronization wheel assembly 18;Such as Fig. 6 institute
Show, left one-way synchronization wheel assembly 18 includes left wheel 181, left synchronizing wheel 182, left unilateral bearing and revolver axis 185, left one-way shaft
It contracts and includes left outside circle 183 and left inside circle 184, the inner hole of left synchronizing wheel 182 is fixedly connected with the external cylindrical surface of left outside circle 183, left
The intermediate shaft part external cylindrical surface of wheel shaft 185 is fixedly connected with the inner hole of left inside circle 184, one end of revolver axis 185 and left wheel 181
It is fixedly connected, the wheel rim and ground face contact of left wheel 181, the other end and left frame 1 of revolver axis 185 pass through lower-left revolute pair
186 are connected;
It further include left synchronous belt 15 and left tensioning wheel 16;As shown in figure 5, left tensioning wheel 16 and upper left handrail 11 pass through upper left
Revolute pair 161 is connected;Left synchronous belt 15 is tightly wound between left tensioning wheel 16 and left synchronizing wheel 182, left synchronous belt 15 and a left side
Synchronizing wheel 182 engages;
It further include left rocking bar 12 and left pressing plate 13, left 12 one end of rocking bar is connected by left hinge 121 and left frame 1, another
End is fixed with the fixed point of left connection board 123, left connection board 123 and left pressing plate 13 on left synchronous belt 15 and clamps, when a left side is shaken
When bar 12 teeters around left hinge 121, the fixed point of left synchronous belt 15 can be driven to pump simultaneously, then a whole left side
Synchronous belt 15 is moved back and forth around left synchronizing wheel 182 and left tensioning wheel 16;It is additionally provided with left spanner 122 on left rocking bar 12, so as to
In passing through finger manipulation;
Correct frame 2 is identical with 1 structure of left frame, bilateral symmetry;Right upper handrail 21, lower end thereof are arranged at the top of correct frame 2
There are right branch face 29, right branch face 29 and ground face contact, the frictional force for being parallel to ground can be generated on contact surface, prevent from skidding, it is another
End is connected with right one-way synchronization wheel assembly 28;Right one-way synchronization wheel assembly 28 is unidirectional including right idler wheel 281, right synchronizing wheel 282, the right side
Bearing and right wheel axis, right unilateral bearing include right outer ring and right inner ring, the inner hole and the external cylindrical surface of right outer ring of right synchronizing wheel 282
It is fixedly connected, the intermediate shaft part external cylindrical surface of right wheel axis is fixedly connected with the inner hole of right inner ring, one end of right wheel axis and right idler wheel
281 are fixedly connected, and the wheel rim and ground face contact of right idler wheel 281, the other end and correct frame 2 of right wheel axis pass through bottom right revolute pair phase
Even;
It further include right synchronous belt 25 and right tensioning wheel 26;Right tensioning wheel 26 and right upper handrail 21 pass through upper right revolute pair phase
Even;Right synchronous belt 25 is tightly wound between right tensioning wheel 26 and right synchronizing wheel 282, and right synchronous belt 25 and right synchronizing wheel 282 are nibbled
It closes;
It further include right rocking bar 22 and right pressing plate 23, right 22 one end of rocking bar is connected by right hinge 221 and correct frame 2, another
End is fixed with the fixed point of right connection board 223, right connection board 223 and right pressing plate 23 on right synchronous belt 25 and clamps, when the right side is shaken
When bar 22 teeters around right hinge 221, the fixed point of right synchronous belt 25 can be driven to pump simultaneously, then whole right side
Synchronous belt 25 is moved back and forth around right synchronizing wheel 282 and right tensioning wheel 26;It is additionally provided with right spanner 222 on right rocking bar 22, so as to
In passing through finger manipulation;
Left frame 1 is connected by intermediate connecting rod 3 as an entirety with correct frame 2.
Above-described left unilateral bearing and right unilateral bearing, i.e. unilateral bearing, including inner ring and outer ring, inner ring and outer ring
Between stud with rolling element, outer ring can be freely rotated in one direction relative to inner ring, and lock in the other directions.It is single
It is also freewheel clutch to bearing, only according to industry difference, acts on difference to name.Rolling element can be many rollings
Axis, needle roller or ball, and its shape for rolling seat (cave) roll it can only to a direction, and in the other directions can
Generate very big resistance (so-called " unidirectional ").Above-described unilateral bearing, left outside circle 183 on left unilateral bearing from the ground compared with
It is freely rotated when the direction M that the direction of rotation direction of close side is advanced, i.e., " left outside circle is rotatable relative to left inside circle
Direction " locks in the opposite direction;The direction of rotation court of right outer ring 283 on right unilateral bearing closer side from the ground
It is freely rotated when the direction M to march forward, i.e. " right outer ring is relative to the rotatable direction of right inner ring ", in the opposite direction
It is locked.
The present embodiment further includes left limit plate 17 and right limit plate 27, left rocking bar 12 under the effect of gravity around hinge 121 to
Lower turn, be not unlimitedly to turn downwards, but cannot be continued by being blocked by left limit plate 17 by lower turn, right rocking bar 22 similarly by
Right limit plate 27 blocks.
Working method:
(1) the upper left handrail 11 and right upper handrail 21 of legs and feet and all handicapped hand steered the present embodiment of the elderly of arm,
More specifically the tiger's jaw of hand is pressed on upper left handrail 11 and right upper handrail 21, and other four in addition to thumb, which refer to, is hooked in left spanner
122 and right spanner 222 on;
(2) the mobile step of the direction M slowly to march forward;
The four of (3) two hands refer to proposes left spanner 122 and right spanner 222 simultaneously upwards, then drives left synchronous belt 15 and the right side respectively
The fixed point of synchronous belt 25 moves upwards, and whole left synchronous belt 15 is moved around left synchronizing wheel 181 and left tensioning wheel 16, whole right side
Synchronous belt 25 is moved around right synchronizing wheel 281 and right tensioning wheel 26;
(4) left synchronous belt 15 drives left synchronizing wheel 182, left outside circle 183 to have the tendency that rotating around left inside circle 184, turns
Dynamic direction is with " left outside to enclose 183 relative to 184 rotatable directions of left inside circle " D on the contrary, left outside circle 183 and left inside circle
184 be it is locked together, so also driving left inside circle 184 with rotating synchronously together, while driving revolver axis 185 and rolling left
Wheel 181 rotates together;Right synchronous belt 25 similarly drives right idler wheel 281 to rotate;Left wheel 181 and right idler wheel 281 edge together
Ground surface, then the present embodiment can be mobile towards the direction M of advance, and left branch face 19 and right branch face 29 are then slided along landing ground,
The frictional force for being parallel to ground can be generated on contact surface, and the present embodiment is made not generate skidding;
(5) two hands four refer to decontrols left spanner 122 and right spanner 222 respectively, then left rocking bar 12 and right rocking bar 22 are made in gravity
With it is lower same when move down and blocked respectively by left limit plate 17 and right limit plate 27, while driving left synchronous belt 15 and right synchronous belt 25
Fixed point move downward;
(6) left synchronous belt 15 drives left synchronizing wheel 182, left outside circle 183 around left inside circle 184 along " left outside as illustrated in the drawing
Circle 183 is relative to 184 rotatable directions of left inside circle " rotation, so left inside circle 184 and left wheel 181 be not with one
Rotation is played, similarly right idler wheel 281 does not also rotate, this process the present embodiment is parked in original place and does not move;
(7) step (2) to (6) are repeated.
It is repeated continuously above step, handicapped to legs and feet and arm but the finger that can hold with a firm grip the elderly can
Slowly to walk forward.
Since the present embodiment and ground face contact not only have left wheel 181 and right idler wheel 281, there are also left branch face 19 and right branch
There is enough frictional force in face 29 between ground, skids between the present embodiment and ground without worrying.
If it is desired to it is curved to bear left, then the amplitude for pulling left spanner 122 is smaller, and the amplitude for pulling right spanner 222 is larger,
The distance that right idler wheel 281 marches ahead be greater than left wheel 181, the present embodiment can bear left to, otherwise can also bear right to.
The present embodiment mentions and towards pre-feed movement upwards the utility model has the advantages that need not do, and only leans on the power for finger of holding with a firm grip, use
Lesser power can move forward, safe and reliable, will not skid, it is all handicapped particularly suitable for legs and feet and arm but
It is the elderly of finger of can holding with a firm grip, the elderly is allow to take care of number one, reduces dependence of the elderly to young man, make young man
It can trust outgoing work.
Embodiment 2;Referring to Fig. 8.
Left synchronous belt 15 is changed into left flat belt 55 in the present embodiment, left one-way synchronization wheel assembly 18 has changed Zuo Danxiang into
Flat-belt pulley component 58, left synchronizing wheel 182 have changed left flat-belt pulley 582 into, and right synchronous belt 25 has changed right flat belt 65, right list into
Right unidirectional flat-belt pulley component 68 has been changed into synchronous wheel assembly 28, and right synchronizing wheel 282 has changed right flat-belt pulley 682 into, by original
The flexible transmission component come has changed the element of frictionally transmission into, further includes left polyurethane sleeve 59 and right polyurethane sleeve 69, a left side
59 sets of polyurethane sleeve between left rocking bar 12 and left limit plate 17,69 sets of right polyurethane sleeve right rocking bar 22 and right limit plate 27 it
Between, so that left rocking bar 12 and right rocking bar 22 is restored to lower position by elastic force, rather than gravity is only leaned on, increase work
Reliability, other structures, function and beneficial effect are the same as embodiment 1.
Claims (5)
1. a kind of auxiliary walking device, it is characterised in that including left frame, correct frame and intermediate connecting rod;
Upper left handrail is arranged at the top of left frame, and lower end thereof has left branch face, and left branch face and ground face contact, the other end are connected with left list
To driving pulley assembly;Left single-direction transmission wheel assembly includes left wheel, Left Drive wheel, left unilateral bearing and revolver axis, left one-way shaft
It contracts and includes left outside circle and left inside circle, the inner hole of Left Drive wheel is fixedly connected with the external cylindrical surface of left outside circle, the jackshaft of revolver axis
Section external cylindrical surface be fixedly connected with the inner hole of left inside circle, one end of revolver axis is fixedly connected with left wheel, the wheel rim of left wheel and
The other end of ground face contact, revolver axis is connected with left frame by lower-left revolute pair;
It further include left Flexible Transmission ring and left tensioning wheel;Left tensioning wheel is connected with upper left handrail by upper left revolute pair;Left flexibility
Transmission ring is tightly wound between left tensioning wheel and Left Drive wheel, and left Flexible Transmission ring and Left Drive wheel pass through engaging tooth or friction
Power connection;
It further include left rocking bar and left pressing plate, left rocking bar one end is connected by left hinge with left frame, and the other end is fixed with left connection
The fixed point of plate, left connection board and left pressing plate on left Flexible Transmission ring clamps, and left rocking bar teeters around left hinge, Zuo Rou
Property transmission ring fixed point pump, whole left Flexible Transmission ring is moved back and forth around Left Drive wheel and left tensioning wheel;
Left spanner is additionally provided on left rocking bar;
Correct frame is identical with left frame structure, bilateral symmetry;Right upper handrail is arranged at the top of correct frame, and lower end thereof has right branch face,
Right branch face and ground face contact, the other end are connected with right single-direction transmission wheel assembly;Right single-direction transmission wheel assembly includes right idler wheel, right biography
Driving wheel, right unilateral bearing and right wheel axis, right unilateral bearing include right outer ring and right inner ring, the inner hole of right driving wheel and right outer ring
External cylindrical surface is fixedly connected, and the intermediate shaft part external cylindrical surface of right wheel axis is fixedly connected with the inner hole of right inner ring, one end of right wheel axis
It is fixedly connected with right idler wheel, the wheel rim and ground face contact of right idler wheel, the other end and correct frame of right wheel axis pass through bottom right revolute pair
It is connected;
It further include right Flexible Transmission ring and right tensioning wheel;Right tensioning wheel is connected with right upper handrail by upper right revolute pair;Right flexibility
Transmission is looped around between right tensioning wheel and right driving wheel, and right Flexible Transmission ring is connected with right driving wheel;
It further include right rocking bar and right pressing plate, right rocking bar one end is connected by right hinge with correct frame, and the other end is fixed with right connection
The fixed point of plate, right connection board and right pressing plate on right Flexible Transmission ring clamps, and right rocking bar teeters around right hinge, right soft
Property transmission ring fixed point pump, whole right Flexible Transmission ring is moved back and forth around right driving wheel and right tensioning wheel;
Right spanner is additionally provided on right rocking bar;
Left frame is connected by intermediate connecting rod as an entirety with correct frame;
It is freely rotated when the direction of rotation of left outside circle on left unilateral bearing closer side from the ground is towards the direction advanced,
It is locked on opposite direction;The direction of rotation of right outer ring on right unilateral bearing closer side from the ground is towards the direction advanced
When be freely rotated, lock in the opposite direction.
2. auxiliary walking device according to claim 1, it is characterised in that left Flexible Transmission ring and right Flexible Transmission ring are
Synchronous belt, chain, flat belt or round belt, Left Drive wheel and right driving wheel are synchronizing wheel, sprocket wheel, flat-belt pulley or flute profile wheel.
3. auxiliary walking device according to claim 1 or 2, it is characterised in that it further include left limit plate and right limit plate,
It is respectively fixedly connected in left frame and correct frame.
4. auxiliary walking device according to claim 3, it is characterised in that be additionally provided with left polyurethane sleeve and right polyurethane
Set, left polyurethane sleeve cover between left rocking bar and left limit plate, and right polyurethane sleeve covers between right rocking bar and right limit plate;Or
It is connected between left rocking bar and left frame or between right rocking bar and correct frame using spring.
5. a kind of application method of auxiliary walking device described in claim 1, it is characterised in that the following steps are included:
(1) tiger's jaw of hand is pressed on upper left handrail and right upper handrail, other four in addition to thumb, which refer to, is hooked in left spanner and the right side
On spanner;
(2) the mobile step in the direction marched forward;
The four of (3) two hands refer to proposes left spanner and right spanner simultaneously upwards, drives left Flexible Transmission ring and right Flexible Transmission ring respectively
Fixed point move upwards, whole left Flexible Transmission ring is moved around Left Drive wheel and left tensioning wheel, whole right Flexible Transmission ring
It is moved around right driving wheel and right tensioning wheel;
(4) left Flexible Transmission annulus moves Left Drive wheel, left outside circle, and left outside circle drives left inside circle to rotate synchronously together, drives simultaneously
Revolver axis and left wheel rotate together;Right Flexible Transmission annulus moves right idler wheel rotation;Left wheel and right idler wheel are left along ground surface
Branch face and right branch face are slided along landing ground;
(5) two hands four refer to decontrols left spanner and right spanner respectively, and left rocking bar and right rocking bar are under the effect of gravity or total with elastic force
Under same-action with when move down, left rocking bar and right rocking bar drive left Flexible Transmission ring and the fixed point of right Flexible Transmission ring to transport downwards
It is dynamic;
(6) left Flexible Transmission annulus moves Left Drive wheel, left outside circle around left inside circle along " left outside circle can freely be revolved relative to left inside circle
The direction turned " rotation, left inside circle and left wheel do not rotate, and right idler wheel does not rotate;
(7) step (2) to (6) are repeated.
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CN201710459037.4A CN107157714B (en) | 2017-06-16 | 2017-06-16 | Auxiliary walking device |
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CN201710459037.4A CN107157714B (en) | 2017-06-16 | 2017-06-16 | Auxiliary walking device |
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CN107157714B true CN107157714B (en) | 2019-04-16 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109288655B (en) * | 2018-10-08 | 2020-12-22 | 黄石市中医医院(市传染病医院) | Walking aid for leg fracture patient |
CN113133904B (en) * | 2021-04-09 | 2022-07-15 | 湖南三真康复医院股份有限公司 | Auxiliary walking instrument based on stroke rehabilitation |
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US5819772A (en) * | 1996-07-15 | 1998-10-13 | Pi; Ching-Tien | Walker for disabled persons |
CN101947177A (en) * | 2010-09-03 | 2011-01-19 | 哈尔滨工程大学 | Rope driving walking aid |
CN103637899A (en) * | 2013-12-02 | 2014-03-19 | 任根祥 | Walker for disabled person |
US9186289B2 (en) * | 2014-04-14 | 2015-11-17 | James Nicholas | Anti-tipping safety device |
US9486385B1 (en) * | 2014-12-14 | 2016-11-08 | Rufus Ondy Terrill | Compact cantilevered ambulatory assistive device |
JP2017000200A (en) * | 2015-06-04 | 2017-01-05 | 船井電機株式会社 | Walking aide apparatus |
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US5730255A (en) * | 1995-10-17 | 1998-03-24 | Helmers; Kevin D. | Walker having braking system |
US5819772A (en) * | 1996-07-15 | 1998-10-13 | Pi; Ching-Tien | Walker for disabled persons |
CN101947177A (en) * | 2010-09-03 | 2011-01-19 | 哈尔滨工程大学 | Rope driving walking aid |
CN103637899A (en) * | 2013-12-02 | 2014-03-19 | 任根祥 | Walker for disabled person |
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