CN110558691A - Anti-falling power-assisted walking stick - Google Patents
Anti-falling power-assisted walking stick Download PDFInfo
- Publication number
- CN110558691A CN110558691A CN201910966946.6A CN201910966946A CN110558691A CN 110558691 A CN110558691 A CN 110558691A CN 201910966946 A CN201910966946 A CN 201910966946A CN 110558691 A CN110558691 A CN 110558691A
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- Prior art keywords
- walking stick
- foot supports
- rod
- groove
- crutch
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- 241001166076 Diapheromera femorata Species 0.000 title claims abstract description 62
- 238000009434 installation Methods 0.000 claims abstract description 17
- 238000005452 bending Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims 2
- 230000006378 damage Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 210000002414 leg Anatomy 0.000 description 4
- 230000009194 climbing Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000003127 knee Anatomy 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 206010020100 Hip fracture Diseases 0.000 description 1
- 206010023230 Joint stiffness Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B1/00—Sticks with supporting, hanging or carrying means
- A45B1/02—Walking sticks with rollers for carrying parcels or the like
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B9/00—Details
-
- 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
- A61H3/02—Crutches
- A61H3/0244—Arrangements for storing or keeping upright when not in use
-
- 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
- A61H3/02—Crutches
- A61H2003/0205—Crutches with no pivoting movement during use, e.g. tripods
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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 discloses an anti-falling power-assisted walking stick which comprises a stick handle, stick rods and four-foot supports, wherein the stick handle is telescopically connected to the upper ends of the stick rods, the four-foot supports are arranged into two groups and respectively connected to the lower ends of the stick rods, the stick rods are provided with auxiliary foot supports which can be folded and turned up and down, universal idler wheels are arranged on the auxiliary foot supports, and telescopic pulleys are arranged below the stick rods. The walking stick is structurally innovated on the basis of the existing walking stick, one group of foot supports rise along the walking stick rod by rotating the walking stick rod according to the principle of relative motion, the two groups of foot supports are opposite by adjusting the proper height, the foot supports are clamped on the stair handrail and locked by the butterfly nuts, so that the old people can push the walking stick rod to assist the old people to go upstairs, and the old people can be helped to move forwards and support in an auxiliary mode only by simple operation. The invention has the advantages of exquisite structure, simple operation, convenient installation and reliable working performance, and is suitable for the old.
Description
Technical Field
The invention relates to the field of daily necessities, in particular to a fall-preventing power-assisted walking aid crutch.
background
Most old people have the problems of heavy legs and feet, softness, weakness, stiff joints, inconvenient movement, incapability of standing for a long time and the like, and the weight borne by knees of people is increased by 3 to 4 times in the process of climbing stairs. If a person weighs about 100 jin, the weight of the knee can reach 400 jin when climbing stairs. With the age, the strength of the old is greatly reduced, the coordination ability of the body is also reduced, muscle groups are degenerated, so that the old is more difficult to climb stairs, and the old is easy to fall and hurt when going upstairs.
To the old person who lives in non-elevator room, climb stair are the inevitable action in daily life, to the old person who lives in the duplex floor, it is inevitable to go up stair, the old person takes place the accident of falling on stair also not few, have old person because the weak last grade stair of leg and foot step on the sky and cause serious fracture damage, and the injury of falling causes little harm to old person, especially causes hip fracture, even dies, so old person's the problem of going upstairs is waited to solve urgently.
Disclosure of Invention
The invention aims to solve the problem of single function of the conventional crutch, and provides a fall-preventing power-assisted walking aid crutch with functions of assisting in going upstairs, assisting in walking and assisting in supporting.
Therefore, the technical scheme of the invention is as follows: the utility model provides a helping hand that prevents falling helps capable walking stick, includes walking stick handle, walking stick pole and four-foot support, and the walking stick handle is connected in the upper end of walking stick pole, and four-foot leg joint is in the lower extreme of walking stick pole, its characterized in that:
the crutch handle is telescopically inserted into the upper end of the crutch rod,
a crutch rod positioned at the same side of the crutch handle is provided with a foldable auxiliary foot bracket which can be turned up and down, and the lower end of the outer side of the auxiliary foot bracket is provided with a universal roller;
Four foot supports include the foot support of fixing base, four L type structures, and the centre of fixing base is equipped with the through hole, follows the outside extension of through hole on the fixing base and is equipped with the draw-in groove of taking the opening, be equipped with in the draw-in groove with the fixing base on the corresponding threaded hole's of through hole groove piece, two foot supports among four foot supports are fixed on the draw-in groove of fixing base, two other foot supports are fixed on the groove piece, and four foot supports are "ten" style of calligraphy and distribute, wherein: the two foot supports fixed on the clamping groove are of an integrated bending structure, and a vertically upward limiting pin is arranged above one side, close to the clamping groove, of the horizontal section; the two foot supports fixed on the groove block adopt a split structure, the horizontal section is connected with the vertical section through a rotating shaft, the vertical section can turn 180 degrees along the horizontal section and is vertically upward or downward, a vertically downward limiting pin is arranged below one side of the horizontal section close to the groove block, and the distance between the limiting pin and the bent part of the foot support is the same as the distance between the limiting pin of the foot support on the clamping groove and the bent part of the foot support;
A limiting block accommodating cavity extends downwards along the through hole on the bottom surface of the fixing seat, an annular clamping groove is formed in the inner wall of the limiting block accommodating cavity, and a movable limiting block is rotationally connected in the annular clamping groove;
crutch rod lower part outer peripheral face is helicitic texture, and the lower extreme of crutch rod passes butterfly nut, groove block, fixing base in proper order, is fixed in on the activity stopper, wherein: the crutch rod is rotationally connected with the annular clamping groove through a movable limiting block, the crutch rod is rotationally connected with the fixed seat, and the crutch rod is in threaded connection with the groove block and the butterfly nut;
A pulley capable of stretching up and down is further mounted below the limiting block accommodating cavity, and when the pulley is in an extending state and is in contact with the ground, the pulley is matched with a universal roller on the auxiliary foot support for use;
When the walking stick is used, the pulley capable of stretching up and down is set to be in a contraction state, the auxiliary foot support is upwards folded and fixed on the walking stick rod through the hanging structure, the groove block is positioned in the clamping groove and is screwed and fixed through the butterfly nut, the vertical sections of the two split type L-shaped foot supports are downwards arranged, and the four foot supports are all in contact with the ground;
When the stair railing is used upstairs, the butterfly nut is unscrewed, the groove block moves upwards by rotating the crutch rod, the vertical sections of the two split type foot supports on the groove block are turned upwards by 180 degrees, meanwhile, the groove block is rotated to the two foot supports on the groove block and the two foot supports on the clamping groove in mirror arrangement and are screwed down by the butterfly nut, the crutch rod is held by both hands when the stair railing is used, a cavity in the middle of the two foot supports forms an embedding cavity of the stair railing, the two foot supports form clamping parts from both sides of the stair railing, and two opposite groups of limiting pins arranged on the foot supports form a supporting limiting part on the upper end surface of the stair railing;
When the walking stick is pushed to walk, the groove block is located in a position where two foot supports on the groove block and two foot supports on the clamping groove are arranged in a mirror-direction mode when the walking stick is used upstairs, the pulley capable of stretching up and down is set to be in an extension state, the pulley is in contact with the ground, the auxiliary foot supports are turned downwards and are in a laying-down state, the walking stick is placed in an inclined mode, the pulleys on two sides of the pulley connecting rod and the universal idler wheels on the auxiliary foot supports are located at the same horizontal height, and the pulley and the universal idler wheels are in contact with the ground to form front wheels and rear wheels which.
preferably, the specific installation structure of the telescopic insertion of the crutch handle at the upper end of the crutch rod is that the vertical section of the crutch handle is of a tubular structure, U-shaped spring pieces are arranged in the vertical section at intervals from top to bottom, the lengths of the spring pieces on two sides of the U-shaped spring pieces are different, a protrusion is arranged on the outer side of the short-edge spring piece corresponding to each spring piece, a row of through holes corresponding to the protrusions are formed in the crutch handle, the protrusions extend out of the through holes, a through hole corresponding to the protrusions is formed in the crutch rod above the through holes, an annular pressing piece capable of sliding up and down and pressing the protrusions into the through holes is arranged on the crutch rod below the through holes, and a limiting protrusion for preventing the annular.
Preferably, the auxiliary foot support comprises a supporting rod and a foldable pull rod, one end of the supporting rod is hinged to the crutch rod through a first hinged seat, the other end of the supporting rod is provided with a universal roller through a universal roller frame, one end of the pull rod is hinged to the crutch rod through a second hinged seat, the other end of the pull rod is hinged to the middle of the supporting rod, the foldable pull rod comprises two sections, one end of one section is hinged to one end of the other section to form a foldable structure, the first hinged seat and the second hinged seat are fixed to the crutch rod, and the second hinged seat is located above the first hinged seat.
Preferably, the specific installation structure of the 'pulley capable of extending up and down is installed below the limiting block accommodating cavity' comprises a spring pin installation seat installed at the bottom of the limiting block accommodating cavity, a spring pin installation cavity is formed in the spring pin installation seat, a baffle plate extends downwards along the periphery of the bottom surface of the spring pin installation cavity, open grooves distributed in a cross shape are formed in the upward extending direction of the lower edge of the baffle plate, the groove bottoms of two opposite open grooves are close to the fixed seat to form a high-position open groove, the groove bottoms of the other two opposite open grooves are far away from the fixed seat to form a low-position open groove, and the low-position open groove is formed in the vertical direction of the crutch handle;
A T-shaped spring pin is arranged in the spring pin mounting cavity, the spring pin comprises a pin rod and a boss arranged at the upper end of the pin rod, a spring is arranged on the periphery of the pin rod, the upper end of the spring is abutted against the bottom surface of the boss of the spring pin, the lower end of the spring is abutted against the bottom surface of the spring pin mounting cavity, the lower end of the pin rod penetrates out of the bottom surface of the spring pin mounting cavity and extends downwards, the lower end of the spring pin is vertically fixed at the middle position of a pulley connecting rod, and two ends of the pulley connecting rod are respectively provided with a pulley;
Preferably, the pulleys at two ends of the pulley connecting rod are in a splayed structure.
Preferably, the back of the crutch handle is provided with an auxiliary handle which is inclined upwards.
Preferably, the bottom of the foot bracket with the L-shaped structure is provided with a non-slip mat.
Preferably, a plurality of universal balls at intervals are arranged on the horizontal sections of the four foot supports, and the central connecting lines of the universal balls and the limiting pins on the foot supports are located on the same straight line.
has the advantages that: the multifunctional walking aid has the advantages of ingenious design, reasonable structure, simplicity in operation, convenience in installation and reliable working performance, simultaneously realizes multiple functions of assisting in going upstairs, assisting in walking, assisting in supporting and the like, and is convenient for the old to use. The walking stick is structurally innovated on the basis of the existing walking stick, one group of foot supports rise along the walking stick rod by rotating the walking stick rod according to the principle of relative motion, the two groups of foot supports are opposite by adjusting the proper height, the foot supports are clamped on the stair handrail and locked by the butterfly nuts, so that the old people can push the walking stick rod to assist the old people to go upstairs, and the old people can be helped to move forwards and support in an auxiliary mode only by simple operation. The invention has the advantages of exquisite structure, simple operation, convenient installation and reliable working performance, and is suitable for the old.
1. the telescopic structure between the crutch handle and the crutch rod can quickly pull up and extend the crutch rod, is not easy to be stressed and retracted, can be folded and shortened only by sliding up and down, and is convenient for the old to use;
2. the universal idler wheel supporting rod and the foldable pull rod combination which are connected to the crutch rod are put down, and the function of walking aid can be realized through the mutual matching of the universal idler wheel put down by the combination and the pulley at the bottom;
3. the telescopic pulley structure is characterized in that a pulley connecting rod is connected by a spring pin, and the high position and the low position are switched by stretching and rotating for 90 degrees by adopting a pure mechanical design, so that the structure is reliable, the damage is not easy to damage, and the maintenance is convenient; meanwhile, the pulleys at the two ends of the pulley connecting rod are arranged into a splayed structure, so that the walking stick can be prevented from being laterally turned in the walking assisting process;
4. The back of the crutch handle is provided with an auxiliary handle in an upward inclined manner, so that the crutch can be held by the old conveniently in different states;
5. The bottom of the foot bracket is provided with the non-slip mat, so that the friction between the crutch foot and the ground is increased, and the walking can be safely carried forward;
6. The horizontal section of the foot support is provided with a plurality of spaced universal balls, when the foot support is clamped on the stair handrail and pushed forwards, the universal balls can roll flexibly and are convenient to push upwards, and in the boosting process, the universal balls can be clamped on the stair handrail by changing the contact direction, so that the boosting function of going upstairs is realized; the limiting pin is arranged to form a supporting limiting part of the upper end face of the stair handrail and prevent the crutch from turning over in the boosting process.
drawings
fig. 1 is a structural view of the present invention when the walking assist is used.
Fig. 2 is a structural view of the present invention at the time of pushing use.
fig. 3 is a structural view of the present invention when used upstairs.
fig. 4 is a state diagram one during the adjustment to the upstairs use configuration of the present invention.
Fig. 5 is a state diagram two of the present invention during the adjustment to the upstairs use configuration.
figure 6 is a half sectional view of the present invention in an upstairs use configuration, with the auxiliary foot support lowered.
FIG. 7 is an enlarged view of the telescoping arrangement between the A-cane handle and the cane shaft of FIG. 6.
Fig. 8 is an enlarged perspective view of the B-assist foot support of fig. 6.
Fig. 9 is an enlarged view of C-in fig. 6, constituting a stair railing gripping structure.
fig. 10 is an enlarged partial view of an annular preform of the present invention.
figure 11 is a front view in half section of the present invention in use with walking assist.
3 fig. 3 12 3 is 3 a 3 view 3 from 3 a 3- 3 a 3 in 3 fig. 3 11 3. 3
Fig. 13 is an enlarged view of D in fig. 11.
FIG. 14 is a view showing the auxiliary foot support of the present invention being fixed to a crutch shaft after being retracted.
Fig. 15 is an enlarged view of E in fig. 14.
Shown in the figure: 1. a crutch handle; 2. a crutch bar; 3. a four-legged stand; 4. a U-shaped spring piece; 5. a protrusion; 6. a through hole; 7. a second through hole; 8. annular tabletting; 9. a limiting bulge; 10. a support bar; 11. a foldable pull rod; 12. a first hinge seat; 13. a universal roller; 14. a second hinge seat; 15. a fixed seat; 16. a foot support; 16-1, two leg brackets fixed on the clamping groove; 16-2, two foot supports fixed on the groove block; 17. a card slot; 18. a groove block; 19-1, a first limit pin; 19-2 and a second limit pin; 20. a spring pin mounting seat; 21. a movable limiting block; 22. an open slot; 22-1, a high open slot; 22-2, a low-level open slot; 23. a spring pin; 24. a spring; 25. a pulley connecting rod; 26. a pulley; 27. a butterfly nut; 28. an auxiliary handle; 29. a non-slip mat; 30. a ball transfer unit; 31. hooking; 32. and (5) hanging a lug.
Detailed Description
the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings, but the embodiment should not be construed as limiting the present invention.
The invention is shown in fig. 1 to 15:
an anti-falling power-assisted walking stick comprises a stick handle 1, a stick rod 2 and four-foot supports 3, wherein the stick handle 1 is telescopically inserted into the upper end of the stick rod 2, and the four-foot supports 3 are divided into two groups which are respectively connected to the lower end of the stick rod 2; the concrete structure of "the scalable cartridge of walking stick handle is in the upper end of walking stick pole" does, the vertical section of walking stick handle 1 is tube-shape structure, from the top down interval is equipped with U type spring leaf 4 in the vertical section, the spring leaf length of U type spring leaf 5 both sides is different, the corresponding minor face spring leaf outside of every spring leaf is equipped with protrudingly 5, be equipped with one row of through-hole 6 that corresponds with the protrusion on the walking stick handle, protrudingly 5 stretches out from this through-hole, be equipped with one on walking stick pole 2 with this protrudingly corresponding through-hole two 7, be equipped with one on the walking stick pole of through-hole two tops and can slide from top to bottom, with protruding downthehole annular preforming 8 of impressing, be equipped with the spacing arch 9 that prevents annular preforming.
The crutch rod 2 positioned on the same side of the crutch handle 1 is provided with a foldable auxiliary foot support H which can be turned over up and down, the auxiliary foot support comprises a support rod 10 and a foldable pull rod 11, one end of the support rod 10 is hinged on the crutch rod through a first hinged seat 12, the other end of the support rod is provided with a universal roller 13 through a universal roller frame, one end of the foldable pull rod 11 is hinged on the crutch rod through a second hinged seat 14, the other end of the foldable pull rod is hinged at the middle part of the support rod, the foldable pull rod 11 comprises two sections, one end of one section and one end of the other section are mutually hinged to form a foldable structure, the first hinged seat 12 and the second hinged seat 14 are fixed on the crutch rod, and; an end part hook 31 is also fixed on the side edge of the supporting rod and is used for assisting the foot bracket to be folded and then fixed on the crutch rod, and a hanging lug 32 is arranged at the corresponding position on the crutch rod;
Four foot supports 3 include fixing base 15, the foot support 16 of four L type structures, and the centre of fixing base is equipped with the through hole, and outwards extend along the through hole on the fixing base and be equipped with the draw-in groove 17 of taking the opening, be equipped with in the draw-in groove with the fixing base on the corresponding threaded hole's of through hole groove block 18, when the draw-in groove was arranged in to the groove block, the groove block was highly unanimous with the draw-in groove upper surface, wherein two foot supports are fixed on the draw-in groove 17 of fixing base in four foot supports, two other foot supports are fixed on groove block 18, and four foot supports are "ten" style of calligraphy: the two foot supports 16-1 fixed on the clamping groove are of an integrated bending structure, and a vertically upward limiting pin I19-1 is arranged above one side, close to the clamping groove, of the horizontal section; the two foot supports 16-2 fixed on the groove block adopt a split structure, the horizontal section is connected with the vertical section through a rotating shaft, the vertical section can turn over 180 degrees along the horizontal section and is vertically upward or downward, a vertically downward limiting pin II 19-2 is arranged below one side of the horizontal section close to the groove block, and the distance between the limiting pin and the bent part of the foot support is the same as the distance between the limiting pin of the foot support on the clamping groove and the bent part of the foot support;
The bottom surface of the fixed seat is connected with a spring pin mounting seat 20, a limiting block accommodating cavity is arranged between the bottom surface of the fixed seat and the upper end surface of the spring pin mounting seat, an annular clamping groove is formed in the inner wall of the limiting block accommodating cavity, and a movable limiting block 21 is rotationally connected in the annular clamping groove; a spring pin mounting cavity is arranged in the spring pin mounting seat, a baffle plate extends downwards along the periphery of the bottom surface of the spring pin mounting cavity, open grooves 22 distributed in a cross shape are formed in the upward extension of the lower edge of the baffle plate, the groove bottoms of two opposite open grooves are close to the fixed seat to form a high-position open groove 22-1, the groove bottoms of the other two opposite open grooves are far away from the fixed seat to form a low-position open groove 22-2, and the low-position open groove is formed in the vertical direction of the surface where the crutch handle is located;
A T-shaped spring pin 23 is arranged in the spring pin mounting cavity, the spring pin 23 comprises a pin rod and a boss arranged at the upper end of the pin rod, a spring 24 is arranged at the periphery of the pin rod, the upper end of the spring abuts against the bottom surface of the boss of the spring pin, the lower end of the spring abuts against the bottom surface of the spring pin mounting cavity, the lower end of the pin rod penetrates out of the bottom surface of the spring pin mounting cavity and extends downwards, the lower end of the spring pin is vertically fixed at the middle position of a pulley connecting rod 25, two ends of the pulley connecting rod are respectively provided with a pulley 26, and the pulleys at the two ends are arranged in an eight-shaped structure to prevent side overturning;
The outer peripheral face of the lower part of the crutch rod 2 is of a threaded structure, the lower end of the crutch rod sequentially penetrates through a butterfly nut 27, a groove block 18, a fixing seat 15 and is fixed on a movable limiting block 21, wherein: the crutch rod 2 is rotationally connected with the annular clamping groove through a movable limiting block 21, the crutch rod 2 is rotationally connected with the fixed seat 15, and the crutch rod 2 is in threaded connection with the groove block 18 and the butterfly nut 27;
the back of the crutch handle 1 is also provided with an auxiliary handle 28 which is inclined upwards, so that the crutch can be held by the old conveniently when being in different use states.
The bottom of the foot support with the L-shaped structure is also provided with the non-slip mat 29, so that the friction between the crutch foot and the ground is increased, and the walking can be safely carried forward.
the horizontal sections of the four foot supports are also provided with a plurality of spaced universal balls 30, the central connecting lines of the plurality of universal balls and the upper limit pins 19 of the foot supports are positioned on the same straight line, when the foot supports are clamped on the stair handrail and pushed forwards, the universal balls can roll flexibly and are convenient to push upwards, and in the boosting process, the universal balls can be clamped on the stair handrail by changing the contact direction, so that the boosting function of going upstairs is realized.
The working principle of the invention is as follows:
When the walking crutch is used (auxiliary support), the pulley connecting rod is arranged in the high-position open slot, the pulley leaves the ground, the auxiliary foot support is upwards folded and fixed on the crutch rod, the slot block is arranged in the slot and is screwed and fixed through the butterfly nut, the vertical sections of the two split type L-shaped foot supports are downwards arranged, the four foot supports are all contacted with the ground, and the height of the crutch handle can be adjusted as required;
when the walking stick is used upstairs, the butterfly nut is firstly unscrewed, the groove block is enabled to move upwards through relative motion by rotating the walking stick rod, the vertical sections of the two split type foot supports on the groove block are turned upwards by 180 degrees, meanwhile, the groove block is rotated to the position, opposite to the two foot supports on the groove block, on the same side of the two foot supports on the clamping groove and screwed down through the butterfly nut, the walking stick rod is transversely held by two hands during use, a cavity in the middle of the two groups of foot supports forms an embedding cavity of the stair handrail, the two groups of foot supports form clamping parts from two sides of the stair handrail, and two groups of opposite limiting pins arranged on the foot supports form a supporting limiting part on the upper end surface of the stair handrail and can;
When the walking stick is pushed to walk (walk), the groove block is positioned in a state when the walking stick is used upstairs, two foot supports on the groove block and two foot supports on the clamping groove are positioned at positions arranged in a mirror direction, the pulley connecting rod rotates 90 degrees after being stretched downwards and is arranged in a low-position open slot, the pulleys on two sides of the pulley connecting rod are contacted with the ground, the auxiliary foot supports are positioned in a laid-down state, the walking stick is obliquely arranged, the pulley connecting rod and the auxiliary foot supports form a stable triangular structure, the pulleys on two sides of the pulley connecting rod and the universal rollers on the auxiliary foot supports are positioned at the same horizontal height, the pulleys and the universal rollers are contacted with the ground to form front and rear wheels pushed to walk, the function of walking aid can be realized by mutually matching the universal rollers and the pulleys at the bottom, and the length of the telescopic handle of the walking stick is.
those skilled in the art will appreciate that the details of the present invention are not described in detail herein.
From the above description of the processing method, it should be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and modifications and substitutions based on the known technology in the art are within the scope of the present invention, which should be defined by the claims.
Claims (8)
1. the utility model provides a helping hand that prevents falling helps capable walking stick, includes walking stick handle, walking stick pole and four-foot support, and the walking stick handle is connected in the upper end of walking stick pole, and four-foot leg joint is in the lower extreme of walking stick pole, its characterized in that:
The crutch handle is telescopically inserted into the upper end of the crutch rod,
a crutch rod positioned at the same side of the crutch handle is provided with a foldable auxiliary foot bracket which can be turned up and down, and the lower end of the outer side of the auxiliary foot bracket is provided with a universal roller;
four foot supports include the foot support of fixing base, four L type structures, and the centre of fixing base is equipped with the through hole, follows the outside extension of through hole on the fixing base and is equipped with the draw-in groove of taking the opening, be equipped with in the draw-in groove with the fixing base on the corresponding threaded hole's of through hole groove piece, two foot supports among four foot supports are fixed on the draw-in groove of fixing base, two other foot supports are fixed on the groove piece, and four foot supports are "ten" style of calligraphy and distribute, wherein: the two foot supports fixed on the clamping groove are of an integrated bending structure, and a vertically upward limiting pin is arranged above one side, close to the clamping groove, of the horizontal section; the two foot supports fixed on the groove block adopt a split structure, the horizontal section is connected with the vertical section through a rotating shaft, the vertical section can turn 180 degrees along the horizontal section and is vertically upward or downward, a vertically downward limiting pin is arranged below one side of the horizontal section close to the groove block, and the distance between the limiting pin and the bent part of the foot support is the same as the distance between the limiting pin of the foot support on the clamping groove and the bent part of the foot support;
a limiting block accommodating cavity extends downwards along the through hole on the bottom surface of the fixing seat, an annular clamping groove is formed in the inner wall of the limiting block accommodating cavity, and a movable limiting block is rotationally connected in the annular clamping groove;
Crutch rod lower part outer peripheral face is helicitic texture, and the lower extreme of crutch rod passes butterfly nut, groove block, fixing base in proper order, is fixed in on the activity stopper, wherein: the crutch rod is rotationally connected with the annular clamping groove through a movable limiting block, the crutch rod is rotationally connected with the fixed seat, and the crutch rod is in threaded connection with the groove block and the butterfly nut;
a pulley capable of stretching up and down is further mounted below the limiting block accommodating cavity, and when the pulley is in an extending state and is in contact with the ground, the pulley is matched with a universal roller on the auxiliary foot support for use;
When the walking stick is used, the pulley capable of stretching up and down is set to be in a contraction state, the auxiliary foot support is upwards folded and fixed on the walking stick rod through the hanging structure, the groove block is positioned in the clamping groove and is screwed and fixed through the butterfly nut, the vertical sections of the two split type L-shaped foot supports are downwards arranged, and the four foot supports are all in contact with the ground;
When the stair railing is used upstairs, the butterfly nut is unscrewed, the groove block moves upwards by rotating the crutch rod, the vertical sections of the two split type foot supports on the groove block are turned upwards by 180 degrees, meanwhile, the groove block is rotated to the two foot supports on the groove block and the two foot supports on the clamping groove in mirror arrangement and are screwed down by the butterfly nut, the crutch rod is held by both hands when the stair railing is used, a cavity in the middle of the two foot supports forms an embedding cavity of the stair railing, the two foot supports form clamping parts from both sides of the stair railing, and two opposite groups of limiting pins arranged on the foot supports form a supporting limiting part on the upper end surface of the stair railing;
when the walking stick is pushed to walk, the groove block is located in a position where two foot supports on the groove block and two foot supports on the clamping groove are arranged in a mirror-direction mode when the walking stick is used upstairs, the pulley capable of stretching up and down is set to be in an extension state, the pulley is in contact with the ground, the auxiliary foot supports are turned downwards and are in a laying-down state, the walking stick is placed in an inclined mode, the pulleys on two sides of the pulley connecting rod and the universal idler wheels on the auxiliary foot supports are located at the same horizontal height, and the pulley and the universal idler wheels are in contact with the ground to form front wheels and rear wheels which.
2. the anti-fall power-assisted walking stick according to claim 1, characterized in that: the concrete mounting structure of "the scalable cartridge of walking stick handle is in the upper end of walking stick pole" does, the vertical section of walking stick handle is tubular structure, from the top down interval is equipped with U type spring leaf in the vertical section, the spring leaf length of U type spring leaf both sides is different, the corresponding minor face spring leaf outside of every spring leaf is equipped with protrudingly, be equipped with one row of through-hole that corresponds with protruding on the walking stick handle, it stretches out in the through-hole to protrude from the through-hole, be equipped with one on the walking stick pole of through-hole top and should protruding corresponding through-hole, be equipped with one on the walking stick pole of through-hole top and slide from top to bottom, with protruding downthehole annular preforming of impressi.
3. the anti-fall power-assisted walking stick according to claim 1, characterized in that: the auxiliary foot support comprises a supporting rod and a foldable pull rod, one end of the supporting rod is hinged to the crutch rod through a first hinged seat, the other end of the supporting rod is provided with a universal roller through a universal roller frame, one end of the pull rod is hinged to the crutch rod through a second hinged seat, the other end of the pull rod is hinged to the middle of the supporting rod, the foldable pull rod comprises two sections, one end of one section is hinged to one end of the other section to form a foldable structure, the first hinged seat and the second hinged seat are fixed to the crutch rod, and the second hinged seat is located above the first hinged seat.
4. The anti-fall power-assisted walking stick according to claim 1, characterized in that: the specific installation structure of the pulley capable of stretching up and down is arranged below the limiting block accommodating cavity, and comprises a spring pin installation seat arranged at the bottom of the limiting block accommodating cavity, a spring pin installation cavity is arranged in the spring pin installation seat, a baffle plate extends downwards along the periphery of the bottom surface of the spring pin installation cavity, open grooves distributed in a cross shape are arranged in an upward extending mode along the lower edge of the baffle plate, the groove bottoms of two opposite open grooves are close to a fixed seat to form a high-position open groove, the groove bottoms of the other two opposite open grooves are far away from the fixed seat to form a low-position open groove, and the low-position open groove is arranged in the vertical direction of a crutch handle;
install one "T" type spring catch in the spring catch installation cavity, the spring catch includes the pin pole and establishes the boss in the pin pole upper end, and the pin pole periphery is equipped with the spring, and the upper end butt of spring is on the bottom surface of spring catch boss, and the lower extreme butt of spring is on the bottom surface of spring catch installation cavity, and the pin pole lower extreme is worn out and downwardly extending from the bottom surface of spring catch installation cavity, and the lower extreme vertical fixation of spring catch is in the intermediate position of a pulley connecting rod, and the both ends of pulley connecting rod respectively are equipped with a pulley.
5. the fall-resistant power-assisted walking stick of claim 4, wherein: the pulleys at the two ends of the pulley connecting rod are in a splayed structure.
6. A fall prevention power assisted walking stick according to claim 1 or 2 or 3 or 4 or 5, wherein: the back of the crutch handle is provided with an auxiliary handle in an upward inclined manner.
7. The fall prevention power-assisted walking crutch according to claim 6, characterized in that: and the bottom of the foot bracket with the L-shaped structure is provided with an anti-slip pad.
8. the fall-resistant power-assisted walking stick of claim 7, wherein: the horizontal sections of the four foot supports are provided with a plurality of spaced universal balls, and the central connecting lines of the universal balls and the limiting pins on the foot supports are positioned on the same straight line.
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| CN201910966946.6A CN110558691B (en) | 2019-10-12 | 2019-10-12 | Anti-falling power-assisted walking stick |
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| CN201910966946.6A CN110558691B (en) | 2019-10-12 | 2019-10-12 | Anti-falling power-assisted walking stick |
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| CN110558691B CN110558691B (en) | 2024-03-08 |
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| CN111449923A (en) * | 2020-04-13 | 2020-07-28 | 山东建筑大学 | Four-wheel electric walking aid |
| CN111493464A (en) * | 2020-04-23 | 2020-08-07 | 佛山科学技术学院 | Multifunctional walking stick |
| CN111973408A (en) * | 2020-09-03 | 2020-11-24 | 合肥工业大学 | Novel medical underarm crutch |
| CN112137848A (en) * | 2020-09-24 | 2020-12-29 | 河南科技大学 | Supplementary running gear with effect is prevented falling in buffering |
| CN112777453A (en) * | 2021-02-01 | 2021-05-11 | 宁玮辰 | Corridor auxiliary device that steps on building based on friction auto-lock |
| CN113440388A (en) * | 2021-08-12 | 2021-09-28 | 大连理工大学 | Anti-falling mechanism adaptive to walking aid |
| CN114041660A (en) * | 2021-11-17 | 2022-02-15 | 徐孝轩 | Supporting device |
| CN114053103A (en) * | 2021-11-12 | 2022-02-18 | 于方红 | Recovered walking stick convenient to use |
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| CN111973408B (en) * | 2020-09-03 | 2022-10-04 | 合肥工业大学 | Medical underarm crutch |
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| CN112137848B (en) * | 2020-09-24 | 2022-07-29 | 河南科技大学 | Supplementary running gear with effect is prevented falling in buffering |
| CN112777453A (en) * | 2021-02-01 | 2021-05-11 | 宁玮辰 | Corridor auxiliary device that steps on building based on friction auto-lock |
| CN113440388A (en) * | 2021-08-12 | 2021-09-28 | 大连理工大学 | Anti-falling mechanism adaptive to walking aid |
| CN114053103A (en) * | 2021-11-12 | 2022-02-18 | 于方红 | Recovered walking stick convenient to use |
| CN114053103B (en) * | 2021-11-12 | 2023-09-22 | 邢钧 | Rehabilitation crutch convenient to use |
| CN114041660A (en) * | 2021-11-17 | 2022-02-15 | 徐孝轩 | Supporting device |
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