CN111743736A - Carbon-free walking aid for old people - Google Patents
Carbon-free walking aid for old people Download PDFInfo
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- CN111743736A CN111743736A CN202010596984.XA CN202010596984A CN111743736A CN 111743736 A CN111743736 A CN 111743736A CN 202010596984 A CN202010596984 A CN 202010596984A CN 111743736 A CN111743736 A CN 111743736A
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- 210000000689 upper leg Anatomy 0.000 claims abstract description 71
- 230000033001 locomotion Effects 0.000 claims abstract description 44
- 238000006243 chemical reaction Methods 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 210000003127 knee Anatomy 0.000 claims abstract description 15
- 210000002414 leg Anatomy 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000001131 transforming effect Effects 0.000 claims 2
- 238000000034 method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 230000037237 body shape Effects 0.000 description 2
- 244000309466 calf Species 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 210000003414 extremity Anatomy 0.000 description 2
- 229920001821 foam rubber Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 210000000629 knee joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
-
- 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
- A61H2003/005—Appliances for aiding patients or disabled persons to walk about with knee, leg or stump rests
-
- 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
- A61H2003/007—Appliances for aiding patients or disabled persons to walk about secured to the patient, e.g. with belts
-
- 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
- A61H2201/14—Special force transmission means, i.e. between the driving means and the interface with the user
-
- 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
- A61H2201/16—Physical interface with patient
- A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
- A61H2201/165—Wearable interfaces
-
- 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
- A61H2201/16—Physical interface with patient
- A61H2201/1657—Movement of interface, i.e. force application means
- A61H2201/1659—Free spatial automatic movement of interface within a working area, e.g. Robot
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- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pain & Pain Management (AREA)
- Epidemiology (AREA)
- Mechanical Engineering (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention discloses a carbon-free walking aid for old people, which comprises a cushion module, a shaft transmission module, a thigh support and motion conversion module, a knee revolute pair module, a shank support module, a special shoe module and a puttee module, wherein the shaft transmission module is arranged below the cushion module and is movably connected with the cushion module through a set screw, the lower end of the thigh support and motion conversion module is movably connected with the upper end of the knee revolute pair module, the lower end of the knee revolute pair module is movably connected with the upper end of the shank support module, the lower end of the shank support module is movably connected with the side edge of the special shoe module, and the puttee module is embedded in a T-shaped groove on the inner side of the thigh support and motion conversion module and the shank support module. The carbon-free walking aid for the old has the following advantages: the volume of the device is reduced; the weight of the device is reduced; can be worn by people with different heights and body types.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of walking aids, in particular to a carbon-free walking aid for old people.
[ background of the invention ]
The aged people in China face a plurality of problems of physiological function decline, limb flexibility decline and the like, and the decline of the limb strength causes non-negligible influence on the walking endurance and speed of the aged. Elderly people have full exercise capacity compared to disabled people, but require assistance to help elderly people with weak leg strength to walk and stand for a long time.
Currently, most of the old people can be classified into two categories: the first type is a supporting device like a wheelchair or a crutch, and the old people can move forwards by using hands to assist in supporting when walking; the second type is a wearable device with power sources such as a motor and the like, and provides additional power for the old to walk ahead. In the two categories, the former has a large volume due to the fact that the device is too simple, and people need to observe the device at any time to prevent accidents; the latter is provided with a driving device such as a motor, the weight of the device often exceeds the limit that the body of the old can bear, the structural requirement of the device is high, the device is expensive and energy-saving, the flexibility of the device is not enough for the old, and the cost performance is not high.
[ summary of the invention ]
The invention aims to solve the technical problems related to the background technology, and provides a carbon-free walking aid for the old, which adopts the structural form of an exoskeleton, fixes the walking aid on the body through an elastic belt, greatly reduces the volume of the device compared with other common walking aids, does not need the auxiliary support of the old by hands to move ahead, and adopts a pure mechanical structure with an energy storage device for walking aids of the class provided with power sources such as a motor and the like, so that the energy is saved more than the pure mechanical structure, and the energy charging problem in the walking process does not need to be considered; the present invention is directed to assisting power in hopes of assisting elderly people with weak leg strength to walk and stand for a long time. Although most of the old people have inconvenience in legs and feet, the old people still need to walk frequently to increase the amount of exercise so as to improve the physical function and avoid the physical stiffness. At this time, an auxiliary device is required to help the elderly walk and provide support to allow the elderly to have a suitable rest when necessary.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a carbon-free walking aid for the old, includes cushion module, axle transmission module, thigh support and motion conversion module, knee revolute pair module, shank support module, special shoes module and puttee module that top-down connected gradually, axle transmission module install in cushion module below and with cushion module swing joint, axle transmission module with the thigh supports and the motion conversion module meshing is connected, thigh support and motion conversion module lower extreme with knee revolute pair module upper end swing joint, knee revolute pair module lower extreme with shank supports module upper end swing joint, shank support module lower extreme with special shoes module side swing joint, the puttee module inlay in thigh support and motion conversion module with the shank supports in the inboard T type groove of module.
Preferably, the cushion module includes seat frame, foam-rubber cushion and bandage, the foam-rubber cushion set up in the seat frame, the one end of bandage with the upper end fixed connection of seat frame, the other end with the right lower extreme fixed connection of seat frame, the design of the left lower extreme of seat frame has a through-hole, it has the screw hole to distribute around the through-hole, axle transmission module passes the through-hole with cushion module swing joint.
Preferably, the shaft transmission module comprises a fastening nut, a first gear, a fastening nut, a first slide block, a small shaft, a first big shaft, an end cover, a big shaft connecting screw, an inner bearing, an outer bearing, a set screw, a second big shaft, a second gear and a second slide block, the outer sides of the small shaft, the first big shaft and the second big shaft are in a ladder shape, the first big shaft and the second big shaft are all positioned axially through a ladder hole, the inner bearings are arranged between the first big shaft, the second big shaft and the inner side of the small shaft, the first big shaft is connected with the second big shaft through the big shaft connecting screw, the outer bearings are arranged between the first big shaft, the second big shaft and the outer side of the end cover in an axial direction, the left end of the first gear is fixed at the left end of the first big shaft through the fastening nut, the left end of the first slide block is fixed at the left end of the small shaft through the fastening nut, and the right end of the second gear is fixed at the right end of the second big shaft through the fastening nut, the right end of the second sliding block is fixed at the right end of the small shaft through a fastening nut, and the end cover of the shaft transmission module is fixed at the bottom of the cushion module through the matching of a fastening threaded nail and the threaded hole.
Preferably, the thigh supporting and motion converting module comprises an upper cover, an upper cover fixing screw, a first guide rail, a side sealing plate, a side plate, a reinforcing rib, a locking device, a second thigh support, a first thigh support, a slide cylinder, a spring, a second guide rail, a third slide block, a first slide groove and a second rack, four first grooves are arranged inside the thigh supporting and motion converting module, the second gear is placed in a second first groove and meshed with the second rack, the slide cylinder passes through a square opening along the side plate direction, the first slide groove is embedded in the square opening, the second rack is embedded in the first slide groove, a second groove is arranged inside the slide cylinder, the second guide rail is embedded in the second groove, the spring and the third slide block are sequentially placed in the slide cylinder, the second rack is fixed on the third slide block through the first fixing screw, the first guide rail is embedded in a fourth first groove, the second sliding block is arranged in the first guide rail, the upper end of the thigh support and motion conversion module is connected with the upper sealing cover and the thigh support and motion conversion module through the upper sealing cover fixing screw, the side face of the thigh support and motion conversion module is connected with the side plate through the fastening screw, the reinforcing rib is arranged below the side plate, the lower end of the first thigh support passes through the rectangular hole, the side face of the second thigh support passes through the positioning hole, and the second thigh support is fixed on the first thigh support through the locking device.
Preferably, the knee rotation pair module comprises a first rotation pair component, a shaft sleeve, a pin shaft, a second rotation pair component and a fastening nut, and the shaft sleeve, the pin shaft and the fastening nut are matched to hinge the first rotation pair component and the second rotation pair component.
Preferably, the lower leg support module comprises a first lower leg support part, a positioning screw, a locking device and a second lower leg support part, the upper end of the first lower leg support part is arc-shaped, the lower end of the first lower leg support part is triangular, the lower end of the first lower leg support part passes through a rectangular hole, the side surface of the second lower leg support part passes through a positioning hole, and the locking device fixes the second lower leg support part on the first lower leg support part.
Preferably, the special shoe module includes foot-tying, shoe frame, backup pad connecting screw, backup pad, sole connecting screw, sole and stop screw, the foot-tying is installed in shoe frame top, the slotted hole is passed through to shoe frame rear, the nested shoe frame lower extreme of advancing of sole and passing through stop screw the slotted hole will the sole restriction is in the shoe frame, installs the right side at the sole with the backup pad through sole connecting screw.
Compared with the related technology, the carbon-free walking aid for the old has the following advantages:
(1) the weight of the old is distributed on the device by adopting the structural form of the exoskeleton by combining the walking characteristics of the old, so that the force required by leg support when the old stands is reduced, and the size of the device is greatly reduced because the supporting device is fixed on the body by the elastic bridle by adopting the structural form of the exoskeleton;
(2) the device has the advantages that the device adopts a pure mechanical structure, skillfully converts the gravity of the old into the leg lifting force in the transmission device, saves energy, does not need to consider the problems of endurance and the like, and adopts nylon carbon fiber as a main material, so that the weight of the device is reduced;
(3) the joints are connected by adopting a rotating pair or a spherical pair to improve the flexibility; and the telescopic rod is used as a supporting rod for thighs and shanks so as to be convenient for people with different heights and body shapes to wear.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a perspective view of an embodiment of the non-carbon walker according to the present invention;
FIG. 2 is a perspective view of the overall structure of an embodiment of the present invention;
FIG. 3 is a schematic exterior view of a seat cushion according to an embodiment of the present invention;
FIG. 4 is a schematic exterior view of a shaft structure according to an embodiment of the present invention;
FIG. 5 is an exploded view of the shaft structure of the embodiment of the present invention shown in FIG. 4;
FIG. 6 is a perspective view of a right support structure according to an embodiment of the present invention;
FIG. 7 is a two-dimensional schematic view of a right thigh support structure of an embodiment of the present invention;
FIG. 8 is an exploded view of the right thigh support structure of the embodiment of the invention shown in FIG. 7;
FIG. 9 is a schematic perspective view of a right rotating web structure according to an embodiment of the present invention;
FIG. 10 is an exploded schematic view of the right rotating web structure of the embodiment of the present invention shown in FIG. 9;
FIG. 11 is a schematic two-dimensional structure of a right calf structure according to an embodiment of the invention;
FIG. 12 is an exploded view of the right calf structure of the embodiment of the invention shown in FIG. 11;
FIG. 13 is a schematic perspective view of a particular shoe construction according to an embodiment of the present invention;
FIG. 14 is a two-dimensional structural schematic of a drive detail of an embodiment of the present invention.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, the invention provides a carbon-free walking aid for the elderly, which comprises a cushion module I, a shaft transmission module II, a thigh supporting and motion converting module III, a knee revolute pair module IV, a shank supporting module V, a special shoe module VI and a legging module VII which are sequentially connected from top to bottom. The utility model discloses a special shoes module VI, including cushion module I, knee revolute pair module IV, knee revolute pair module V, knee revolute pair module IV, leg support module V lower extreme with special shoes module VI side swing joint, leg binding module VII inlay in the thigh support with motion conversion module III with in the inboard T type groove of module V is supported to the leg.
Referring to fig. 3 again, the cushion module i includes a binding band 1, a sponge cushion 2 and a seat frame 3, the sponge cushion 2 is disposed in the seat frame 3, one end of the binding band 1 is fixedly connected with the upper end of the seat frame 3, the other end of the binding band is fixedly connected with the right lower end of the seat frame 3, a through hole 49 is designed at the left lower end of the seat frame 3, and threaded holes 50 are distributed around the through hole. The shaft transmission module II penetrates through the through hole and is movably connected with the cushion module I through the matching of a set screw 14 and the screw hole. Specifically, the binding band 1 is sleeved on thin rods at two sides of the seat frame 3, the length of the binding band 1 is adjustable, and the spongy cushion 2 is glued on the seat frame 3.
Referring to fig. 4 and 5 again, the shaft transmission module ii includes a fastening nut 4, a first gear 5, a fastening nut 6, a first slider 7, a small shaft 8, a first large shaft 9, an end cover 10, a large shaft connection screw 11, an inner bearing 12, an outer bearing 13, a set screw 14, a second large shaft 15, a second gear 16, and a second slider 17. The outer sides of the small shaft 8, the first large shaft 9 and the second large shaft 15 are in a stepped shape, the first large shaft 9 and the second large shaft 15 are all in stepped holes, axial positioning is carried out between the second large shaft 15 and the small shaft 8 through the inner bearing 12, the first large shaft 9 and the second large shaft 15 are connected through the six large shaft connecting screws 11, axial positioning is carried out between the end cover 10 and the outer side of the second large shaft 15 through the outer bearing 13, the right end of the second gear 16 is fixed at the right end of the second large shaft 15 through the fastening nut 6, and the right end of the second sliding block 17 is fixed at the right end of the small shaft 8 through the fastening nut 4. The arrangement of the first large shaft 9 is the same as that of the second large shaft 15 except that the first slider 7 and the first gear 5 are in different positions. The specific arrangement of the first large shaft 9 will not be described in detail. Through the holding screw 14 with the cooperation of screw hole will the end cover 10 of axle transmission module II is fixed in cushion module I bottom, holding screw 14 has 8, end cover 10 has 2.
Referring to fig. 7 and 8 again, the thigh supporting and motion converting module iii includes an upper cover 18, an upper cover fixing screw 19, a first guide rail 20, a side cover plate 21, a side plate 22, a reinforcing rib 23, a locking device 24, a second thigh bracket 25, a first thigh bracket 26, a slide cylinder 27, a spring 28, a second guide rail 29, a third slide block 30, a first slide slot 31, and a second rack 32. The right end of the second large shaft 15 is connected with a second gear 16, four first grooves (not shown) are arranged in the thigh support and motion conversion module iii, the second gear 16 is placed in the second first groove and meshed with a second rack 32, the second rack 32 is embedded in the first sliding groove 31, the first sliding groove 31 is fixed on the thigh support and motion conversion module iii through a fixing screw, the inside of the sliding barrel 27 is embedded in the second groove through a second groove, the second guide rail 29 is embedded in the second groove, a spring 28 and a third sliding block 30 are sequentially arranged in the sliding barrel 27, the second rack 32 is fixed on the third sliding block 30 through a first fixing screw 48, the right end of the small shaft 8 is connected with the second sliding block 17, the first guide rail 20 is embedded in the fourth first groove, the second sliding block 17 is arranged in the first guide rail 20, the upper end of the thigh support and motion conversion module iii is provided with an upper sealing cover 18 and the thigh support and motion conversion module iii through an upper sealing cover fixing screw 19 III, connecting the side sealing plate 21 with the side plate 22 through fastening screws on the side, installing a reinforcing rib 23 below the side plate 22, fixing a second thigh support 25 on a first thigh support 26 through a locking device 24, wherein the number of the second guide rails 29 is 3, and the number of the first fixing screws 48 is 2. The left thigh support and motion conversion module iii is specifically configured similarly to the right side, and therefore is not described again.
Referring to fig. 9 and 10, the knee revolute pair module iv includes a first revolute pair member 33, a shaft sleeve 34, a pin 35, a second revolute pair member 36, and a fastening nut 37, and the shaft sleeve 34, the pin 35, and the fastening nut 37 cooperate to hinge the first revolute pair member 33 and the second revolute pair member 36. Specifically, the first rotary pair member 33 is attached to both ends of the second rotary pair member 36 via the pin shaft 35, and the pin shaft 35 is fastened by the fastening nut 37.
Referring to fig. 11 and 12, the lower leg support module v includes a first lower leg support member 38, a set screw 39, a locking device 24, and a second lower leg support member 40, wherein a rectangular hole (not shown) is formed at the lower end of the first lower leg support member 38, and the second lower leg support member 40 is inserted into the rectangular hole at the lower end of the first lower leg support member 38 and fixed to the first lower leg support member 38 by the locking device 24.
Referring again to fig. 13, the customized shoe module vi includes a foot binding 41, a shoe frame 42, a support plate coupling screw 43, a support plate 44, a sole coupling screw 45, a sole 46, and a limit screw 47. The binding foot 41 is installed above the shoe frame 42, the sole 46 is nested into the lower end of the shoe frame 42 and is limited in the shoe frame 42 by the limit screw 47, and the supporting plate 44 is installed on the right side of the sole 46 by the sole connecting screw 45, wherein the left foot is the left side, and the right foot is the right side.
Referring to fig. 2, the user wears the walking aid, sits the buttocks on the cushion module I, fix cushion module I on the waist through bandage 1, the thigh of II both ends of shaft transmission module supports and the inboard and thigh outside contact of motion conversion module III, left leg binding module VII supports and motion conversion module III ties up left thigh with left thigh, the leg binding module VII on right side supports and motion conversion module III ties up thigh on right side with the thigh on right side, thigh support 8 on both sides thigh support and motion conversion module III adjusts the length that the thigh supported and motion conversion module III through locking device 7, the shank of device both sides supports module V inboard and shank outside contact, left leg binding module VII ties up left shank support module V and left shank, the leg binding module VII on right side ties up shank support module V and right side shank. The two feet of the person step on the special shoe module VI and are fixed by the binding feet 41.
The carbon-free walking aid for the old people provided by the invention has the following specific working principle and process:
when the walking aid is not worn by a person, the special shoe module VI is in an unlimited state, the whole length of the walking aid in the state is longer than the leg length of the person, and a height difference is generated at the moment; when a person wears the walking aid and stands, the special shoe module VI is limited and can only move up and down, the height difference is reduced, meanwhile, the spring inside the thigh supporting and motion conversion module III is compressed, through the limitation of the special shoe module VI and the compression of the spring, the height difference disappears, the gravitational potential energy is converted into the elastic potential energy, the spring in the thigh supporting and motion conversion module III extrudes to provide an upward elastic force for the slide block, because the stress of the two legs is the same, the compression amount of the springs at the two sides of the thigh supporting and motion conversion module III is also the same, so that the rack and the gear are in a dead-locked state, because the cushion module I and the thigh supporting and motion converting module III are connected by the shaft transmission module II, the cushion module I can provide an upward supporting force for a human body at the moment so as to reduce the supporting force required by the thighs when the old stands; lifting the right foot, wherein the two legs are stressed differently, the right foot leaves the ground, all gravity is concentrated on the thigh supporting and motion conversion module III of the left leg and the left leg, the spring in the thigh supporting and motion conversion module III can be compressed continuously due to pressure increase, the cushion module I still can provide an upward supporting force for the human body, the spring is compressed, the second sliding block 17 slides downwards to drive the rack 1 to slide downwards to drive the gear 1 to rotate, the gear 1 rotates to drive the small shaft in the shaft transmission module II to rotate, the small shaft rotates to drive the first sliding block 7 at the right end of the small shaft to rotate, thereby with the thigh of right leg support and motion conversion module III anticlockwise rotation about 30, leg wrapping module VII can drive the right thigh and lift this moment, and special shoes module VI on right side resumes the difference in height to reached the help old man and lifted the leg and help old man walk and go upstairs and downstairs purpose promptly.
The shaft transmission module II specifically works according to the principle and process that: the right leg is slightly lifted, the first gear 5 rotates to drive the small shaft to rotate, torque is transmitted to the other side through shaft rotation, the first sliding block 7 fixed at the right end of the small shaft drives the right thigh supporting and motion conversion module III to rotate, the right leg is lifted, and the spring 28 is in an uncompressed state at the moment. The right leg is put down until the right leg contacts the ground, the spring is compressed, the rack and the gear are in a blocked state, the left leg is slightly lifted, the second gear 16 at the right end rotates to drive the large shaft to rotate, torque is transmitted to the other side through shaft rotation, the first sliding block 7 fixed at the left end of the first large shaft 9 drives the left thigh support and motion conversion module III to rotate, the left leg is lifted, and the spring is in an uncompressed state at the moment. The cooperation relation between two feet is considered, two shafts are used for transmission, and the transmission between the two feet is independent and does not influence each other. In consideration of the reduction of the volume of the product, a method for adopting a large shaft sleeve and a small shaft is decided.
When the device is used by people with different heights, the height of the device can be adjusted by adjusting the positions of the second thigh support 25 on the thigh supporting and motion converting module III and the second shank support part 40 on the shank support module V.
Compared with the related technology, the carbon-free walking aid for the old has the following advantages:
(1) the weight of the old is distributed on the device by adopting the structural form of the exoskeleton by combining the walking characteristics of the old, so that the force required by leg support when the old stands is reduced, and the size of the device is greatly reduced because the supporting device is fixed on the body by the elastic bridle by adopting the structural form of the exoskeleton;
(2) the device has the advantages that the device adopts a pure mechanical structure, skillfully converts the gravity of the old into the leg lifting force in the transmission device, saves energy, does not need to consider the problems of endurance and the like, and adopts nylon carbon fiber as a main material, so that the weight of the device is reduced;
(3) the joints are connected by adopting a rotating pair or a spherical pair to improve the flexibility; and the telescopic rod is used as a supporting rod for thighs and shanks so as to be convenient for people with different heights and body shapes to wear.
While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the specification and the embodiments, which are fully applicable to various fields of endeavor for which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (7)
1. A carbon-free walking aid for the elderly is characterized by comprising a cushion module, a shaft transmission module, a thigh supporting and motion converting module, a knee revolute pair module, a shank supporting module, a special shoe module and a legging module which are sequentially connected from top to bottom, the shaft transmission module is arranged below the cushion module and is movably connected with the cushion module, the shaft transmission module is in meshed connection with the thigh supporting and motion conversion module, the lower end of the thigh supporting and motion conversion module is movably connected with the upper end of the knee rotation auxiliary module, the lower end of the knee rotation auxiliary module is movably connected with the upper end of the shank support module, the lower end of the shank support module is movably connected with the side edge of the special shoe module, the leg wrapping module is embedded in the T-shaped groove at the inner side of the thigh supporting and motion converting module and the shank supporting module.
2. The carbon-free walking aid for the elderly as claimed in claim 1, wherein the cushion module comprises a seat frame, a sponge cushion and a binding belt, the sponge cushion is disposed in the seat frame, one end of the binding belt is fixedly connected to the upper end of the seat frame, the other end of the binding belt is fixedly connected to the lower right end of the seat frame, a through hole is designed at the lower left end of the seat frame, threaded holes are distributed around the through hole, and the shaft transmission module passes through the through hole and is movably connected to the cushion module.
3. The carbon-free walking aid for old people as claimed in claim 2, wherein the shaft transmission module comprises a fastening nut, a first gear, a fastening nut, a first slider, a small shaft, a first large shaft, an end cover, a large shaft connecting screw, an inner bearing, an outer bearing, a set screw, a second large shaft, a second gear and a second slider, the outer sides of the small shaft, the first large shaft and the second large shaft are stepped, the first large shaft and the second large shaft are both provided with stepped holes, the first large shaft, the second large shaft and the inner side of the small shaft are axially positioned by the inner bearing, the first large shaft and the second large shaft are connected by the large shaft connecting screw, the first large shaft, the second large shaft and the outer side of the end cover are axially positioned by the outer bearing, the left end of the first gear is fixed at the left end of the first large shaft by the fastening nut, and the left end of the first slider is fixed at the left end of the small shaft by the fastening nut, the right end of the second gear is fixed at the right end of the second large shaft through a fastening nut, the right end of the second sliding block is fixed at the right end of the small shaft through a fastening nut, and the end cover of the shaft transmission module is fixed at the bottom of the cushion module through the matching of a set screw and the threaded hole.
4. The carbon-free walking aid for old people as claimed in claim 1, wherein the thigh supporting and movement transforming module comprises an upper cover, an upper cover fixing screw, a first guide rail, a side sealing plate, a side plate, a reinforcing rib, a locking device, a second thigh bracket, a first thigh bracket, a sliding barrel, a spring, a second guide rail, a third sliding block, a first sliding slot and a second rack, four first grooves are arranged inside the thigh supporting and movement transforming module, the second gear is arranged in a second first groove and meshed with the second rack, the sliding barrel passes through a square opening along the direction of the side plate, the first sliding slot is embedded in the square opening, the second rack is embedded in the first sliding slot, a second groove is arranged inside the sliding barrel, the second guide rail is embedded in the second groove, the spring and the third sliding block are sequentially arranged in the sliding barrel, the second rack is fixed on the third sliding block through a first fixing screw, the first guide rail is embedded into the fourth first groove, the second sliding block is arranged in the first guide rail, the upper end of the thigh support and motion conversion module is connected with the upper cover and the thigh support and motion conversion module through the upper cover fixing screw, the side face of the thigh support and motion conversion module is connected with the side plate through a fastening screw, the reinforcing rib is arranged below the side plate, the lower end of the first thigh support passes through a rectangular hole, the side face of the second thigh support passes through a positioning hole, and the second thigh support is fixed on the first thigh support through a locking device.
5. The carbon-free walking aid for elderly people according to claim 1, wherein the knee rotation sub-module comprises a first rotation sub-component, a bushing, a pin, a second rotation sub-component and a fastening nut, the bushing, the pin and the fastening nut cooperate to hinge the first rotation sub-component and the second rotation sub-component.
6. The carbon-free walking aid for elderly people as claimed in claim 1, wherein the lower leg support module comprises a first lower leg support member, a positioning screw, a locking device and a second lower leg support member, the upper end of the first lower leg support member is arc-shaped, the lower end of the first lower leg support member is triangular, the lower end of the first lower leg support member passes through a rectangular hole, the side surface of the second lower leg support member passes through a positioning hole, and the locking device fixes the second lower leg support member on the first lower leg support member.
7. The carbon-free walking aid for old people according to claim 1, wherein the tailor-made shoe module comprises a foot strap, a shoe frame, support plate connecting screws, a support plate, a sole connecting screw, a sole and a limit screw, the foot strap is installed above the shoe frame, the rear of the shoe frame is provided with a slotted hole, the sole is nested into the lower end of the shoe frame and is limited in the shoe frame by the limit screw passing through the slotted hole, and the support plate is installed on the right side of the sole by the sole connecting screw.
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