CN110558691B - Anti-falling power-assisted walking stick - Google Patents
Anti-falling power-assisted walking stick Download PDFInfo
- Publication number
- CN110558691B CN110558691B CN201910966946.6A CN201910966946A CN110558691B CN 110558691 B CN110558691 B CN 110558691B CN 201910966946 A CN201910966946 A CN 201910966946A CN 110558691 B CN110558691 B CN 110558691B
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- Prior art keywords
- rod
- walking stick
- crutch
- foot
- groove
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- 241001166076 Diapheromera femorata Species 0.000 title claims abstract description 54
- 238000009434 installation Methods 0.000 claims abstract description 22
- 238000005452 bending Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 4
- 210000002414 leg Anatomy 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 230000009194 climbing Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 208000014674 injury Diseases 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
- 230000009286 beneficial effect Effects 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
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 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
Abstract
The invention discloses a fall-preventing power-assisted walking stick which comprises a walking stick handle, a walking stick rod and four-leg supports, wherein the walking stick handle is connected to the upper end of the walking stick rod in a telescopic manner, the four-leg supports are respectively connected to the lower end of the walking stick rod in two groups, the walking stick rod is provided with a foldable auxiliary leg support capable of turning up and down, the auxiliary leg support is provided with a universal roller, and a telescopic pulley is arranged below the walking stick rod. The walking stick is structurally innovative based on the existing walking stick, one group of foot supports ascend along the walking stick by rotating the walking stick rod through the relative motion principle, the two groups of foot supports are opposite by adjusting the proper height, the foot supports are clamped on a stair railing and locked by the butterfly nut, the walking stick rod is pushed by the old to assist the old to go upstairs, and the walking stick can help the old to go forward and assist in supporting only through 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 articles for daily use, in particular to a fall-preventing power-assisted walking stick.
Background
Most old people have the problems of heavy legs, softness, weakness, stiff joints, unsmooth movement, incapability of standing for a long time and the like, and the weight of knees can be increased by 3 to 4 times instantaneously in the process of climbing stairs. If the weight of a person is about 100 jin, the knee load can reach 400 jin when climbing stairs. With the age, the strength of the old is greatly reduced, the organism coordination ability is reduced, and the muscle groups are degenerated, so that the old is more difficult to go upstairs, and the old is easy to fall down and be injured when going upstairs.
For the old people living in a non-elevator room, climbing stairs is an unavoidable behavior in daily life, and for the old people living in a duplex floor, climbing stairs is unavoidable, falling accidents of the old people on the stairs are not few, serious fracture injury is caused by the fact that the old people step on the stairs to the sky in the last stage because of weak legs and feet, the falling injury is not less harmful to the old people, particularly hip fracture and even death are caused, and therefore the problem of climbing stairs of the old people is to be solved.
Disclosure of Invention
The invention aims to solve the problem of single function of the existing crutch, and provides an anti-falling power-assisted walking crutch with functions of assisting upstairs, assisting walking and assisting support.
For this purpose, the technical scheme of the invention is as follows: the utility model provides a help walking stick of helping hand that falls down, 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 support connect in the lower extreme of walking stick pole, its characterized in that:
the crutch handle is telescopically inserted at the upper end of the crutch rod,
a foldable auxiliary foot support which can be turned up and down is arranged on the crutch rod positioned on the same side of the crutch handle, and a universal roller is arranged at the lower end of the outer side of the auxiliary foot support;
four foot support include fixing base, four L type structure's foot support, and the centre of fixing base is equipped with the through-hole, and the outside extension of through-hole is equipped with the draw-in groove of taking the opening along the through-hole on the fixing base, is equipped with the groove block of taking the screw hole corresponding with the through-hole on the fixing base in the draw-in groove, two foot supports in four foot support are fixed on the draw-in groove of fixing base, two other foot supports are fixed on the groove block, and four foot support are "ten" style of calligraphy and distribute, wherein: two foot brackets fixed on the clamping groove are of an integrated bending structure, and a vertical upward limiting pin is arranged above one side of the horizontal section, which is close to the clamping groove; the two foot supports fixed on the groove block are of split type structures, the horizontal section and the vertical section are connected through a rotating shaft, the vertical section can turn 180 degrees along the horizontal section and is vertically upwards or downwards, a vertical downwards limiting pin is arranged below one side, close to the groove block, of the horizontal section, and the distance from the limiting pin to the bending part of the foot support is the same as the distance from the limiting pin of the foot support to the bending part of the foot support on the clamping groove;
a limiting block accommodating cavity is formed by extending downwards along the through hole in 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;
the lower part outer peripheral surface of walking stick pole is the helicitic texture, and the lower extreme of walking stick pole passes butterfly nut, groove block, fixing base in proper order, is fixed in on the activity stopper, wherein: the crutch rod is in rotary connection with the annular clamping groove through the movable limiting block, the crutch rod is in rotary connection with the fixed seat, and the crutch rod is in threaded connection with the groove block and the butterfly nut;
a pulley which can stretch up and down is also arranged below the limiting block accommodating cavity, and when the pulley is in an elongation state and is contacted with the ground, the pulley is matched with a universal roller on the auxiliary foot support for use;
when the walking machine is used, the pulleys capable of stretching up and down are set to be in a contracted state, the auxiliary foot supports are upwards retracted and fixed on the crutch rod through the hanging structure, the groove blocks are positioned in the clamping grooves and are screwed and fixed through butterfly nuts, the vertical sections of the two foot supports with the split type L-shaped structures are downwards arranged, and the four foot supports are all in contact with the ground;
when the stair railing is used up, the butterfly nut is unscrewed, the groove block is moved 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 two foot supports on the groove block, which are rotated to the groove block, are arranged in a mirror direction and are screwed up by the butterfly nut, when the stair railing is used, the crutch rod is transversely held by both hands, the cavity in the middle of the two groups of foot supports forms an embedded cavity of the stair railing, the two groups of foot supports form clamping parts from two sides of the stair railing, and the two opposite groups of limiting pins on the foot supports form supporting limiting parts on the upper end face of the stair railing;
when the crutch is pushed to walk, the groove block is positioned in a state of going upstairs, two foot supports on the groove block and two foot supports on the clamping groove are positioned in a mirror-direction arrangement position, the pulleys which can stretch up and down are arranged in an extending state, the pulleys are in contact with the ground, the auxiliary foot supports are turned downwards to be in a put-down state, the crutch is placed in an inclined mode, 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, and the pulleys and the universal rollers are in contact with the ground to form a front wheel and a rear wheel which push away.
Preferably, the specific mounting structure of the telescopic plug-in mounting of the crutch handle at the upper end of the crutch rod is that the vertical section of the crutch handle is of a cylindrical structure, U-shaped spring pieces are arranged in the vertical section from top to bottom at intervals, the lengths of the spring pieces on two sides of the U-shaped spring pieces are different, protrusions are arranged on the outer sides of short-side spring pieces corresponding to the spring pieces, a row of through holes corresponding to the protrusions are arranged on the crutch handle, the protrusions extend out of the through holes, a through hole corresponding to the protrusions is arranged on the crutch rod, an annular pressing piece capable of sliding up and down and pressing the protrusions into the holes is arranged on the crutch rod above the through holes, and limiting protrusions for preventing the annular pressing piece from sliding down are arranged on the crutch rod below the through holes.
Preferably, the auxiliary leg support comprises a support rod and a foldable pull rod, one end of the support rod is hinged to the crutch rod through a first hinging seat, the other end of the support 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 hinging seat, the other end of the pull rod is hinged to the middle part of the support 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, and the first hinging seat and the second hinging seat are fixed on the crutch rod and located above the first hinging seat.
Preferably, the concrete installation structure of the pulley capable of extending 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, wherein the spring pin installation seat is internally provided with a spring pin installation cavity, the bottom surface of the spring pin installation cavity is provided with a baffle plate in a downward extending mode along the periphery, the lower edge of the baffle plate is provided with open slots distributed in a cross shape in an upward extending mode, the bottoms of two opposite open slots are close to a fixed seat to form a high-position open slot, the bottoms of the other two opposite open slots are far away from the fixed seat to form a low-position open slot, and the low-position open slot is arranged in the vertical direction of a crutch handle;
the spring pin installation cavity is internally provided with a T-shaped spring pin, 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 installation cavity, the lower end of the pin rod penetrates out of the bottom surface of the spring pin installation 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 an splayed structure.
Preferably, the back of the crutch handle is provided with an auxiliary handle in an upward inclined mode.
Preferably, an anti-slip pad is arranged at the bottom of the L-shaped foot support.
Preferably, the horizontal sections of the four foot brackets are respectively provided with a plurality of spaced universal balls, and the universal balls and the central connecting line of the limiting pins on the foot brackets are positioned on the same straight line.
The beneficial effects are that: the invention has the advantages of exquisite design, reasonable structure, simple operation, convenient installation and reliable working performance, realizes multiple functions of assisting upstairs, assisting walking, assisting supporting and the like, and is convenient for the old to use. The walking stick is structurally innovative based on the existing walking stick, one group of foot supports ascend along the walking stick by rotating the walking stick rod through the relative motion principle, the two groups of foot supports are opposite by adjusting the proper height, the foot supports are clamped on a stair railing and locked by the butterfly nut, the walking stick rod is pushed by the old to assist the old to go upstairs, and the walking stick can help the old to go forward and assist in supporting only through 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 rapidly pull up and extend the crutch rod, is not easy to retract under stress, can be folded and shortened only by sliding up and down, and is convenient for the old to use;
2. the foldable structure of the auxiliary foot support is characterized in that a universal roller support rod and a foldable pull rod combination which are connected to the crutch rod are put down, and the function of assisting walking can be realized by mutually matching the universal roller put down by the combination with the pulley at the bottom;
3. the telescopic pulley structure is arranged to be connected with the pulley connecting rod by a spring pin, and the high and low positions are switched by stretching and rotating by 90 degrees, so that the structure is reliable, not easy to damage and convenient to maintain; meanwhile, the pulleys at the two ends of the pulley connecting rod are arranged into an splayed structure, so that the crutch can be prevented from being turned over in the walking assisting process;
4. the back of the crutch handle is obliquely provided with an auxiliary handle, so that the crutch can be conveniently held by the old in different states;
5. the bottom of the foot support is provided with an anti-slip pad, so that the friction between the crutch foot and the ground is increased, and the crutch can safely move 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 railing to push forwards, the universal balls can roll flexibly to facilitate upward pushing, and in the power assisting process, the universal balls can be clamped on the stair railing by changing the contact direction, so that the power assisting function of going upstairs is realized; the limiting pin is arranged, so that the supporting limiting part forming the upper end face of the stair railing can also prevent the crutch from overturning in the power assisting process.
Drawings
Fig. 1 is a structural view of the present invention when the walking assist is used.
Fig. 2 is a structural diagram of the present invention when it is put to practical use.
Fig. 3 is a block diagram of the present invention when used in an upstairs.
Fig. 4 is a state diagram of the invention in the course of being adjusted to a upstairs use configuration.
Fig. 5 is a second state diagram of the present invention in the course of being adjusted to a upstairs use configuration.
Figure 6 is a half cross-sectional view of the auxiliary foot support of the present invention lowered in use in an upstairs.
FIG. 7 is an enlarged view of the telescoping structure between the A-crutch handle and crutch stick of FIG. 6.
Fig. 8 is an enlarged perspective view of the B-helper foot bracket of fig. 6.
Fig. 9 is an enlarged view of the C-formed stair railing clamp of fig. 6.
Fig. 10 is an enlarged view of a portion of an annular preform of the present invention.
Fig. 11 is a front view, in half section, of the present invention in use with walking assistance.
Fig. 12 is a view in the direction A-A of fig. 11.
Fig. 13 is an enlarged view of D in fig. 11.
FIG. 14 is a block diagram showing the auxiliary foot support of the present invention mounted on a crutch rod after being retracted.
Fig. 15 is an enlarged view of E in fig. 14.
The figure shows: 1. a crutch handle; 2. a crutch rod; 3. a four-foot stand; 4. a U-shaped spring piece; 5. a protrusion; 6. a through hole; 7. a second through hole; 8. annular tabletting; 9. a limit protrusion; 10. a support rod; 11. a foldable pull rod; 12. a hinge seat I; 13. a universal roller; 14. a hinge seat II; 15. a fixing seat; 16. a foot support; 16-1, two foot brackets fixed on the clamping groove; 16-2, two foot brackets fixed on the groove block; 17. a clamping groove; 18. a trough block; 19-1, a first limiting pin; 19-2, a limiting pin II; 20. a spring pin mounting seat; 21. a movable limiting block; 22. an open slot; 22-1, a high-level open slot; 22-2, a low 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. an anti-slip pad; 30. a universal ball; 31. a hook; 32. and (5) hanging the ear.
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 as shown in fig. 1 to 15:
the utility model provides a fall-proof booster walking stick, which comprises a walking stick handle 1, a walking stick rod 2 and a four-foot support 3, wherein the walking stick handle 1 is telescopically inserted at the upper end of the walking stick rod 2, and the four-foot support 3 is divided into two groups which are respectively connected with the lower end of the walking stick rod 2; the utility model discloses a crutch handle telescopic cartridge is in the concrete structure of the upper end of crutch rod, the vertical section of crutch handle 1 is tubular structure, the interval is equipped with the spring leaf length difference of U type spring leaf 4,U type spring leaf 5 both sides from the top down in the vertical section, the corresponding minor face spring leaf outside of every spring leaf is equipped with protruding 5, be equipped with a row of through-hole 6 that corresponds with protruding on the crutch handle, protruding 5 stretches out from this through-hole, be equipped with a through-hole second 7 corresponding with this protruding on the crutch rod 2, be equipped with one on the crutch rod of through-hole second top and slide from top to bottom, press the annular preforming 8 in the downthehole with the protrusion, be equipped with the spacing arch 9 of preventing annular preforming landing on the crutch rod of through-hole below for prevent annular preforming landing downwards.
The foldable auxiliary leg support H which is folded and turned up and down is arranged on the crutch rod 2 positioned on the same side of the crutch handle 1, the auxiliary leg support comprises a supporting rod 10 and a foldable pull rod 11, one end of the supporting rod 10 is hinged on the crutch rod through a first hinging seat 12, the other end of the supporting 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 hinging seat 14, the other end of the foldable pull rod 11 is hinged on the middle part of the supporting rod, one end of one section and one end of the other section are mutually hinged to form a foldable structure, the first hinging seat 12 and the second hinging seat 14 are fixed on the crutch rod, and the hinging seat is positioned above the first hinging seat; an end pothook 31 is also fixed on the side edge of the supporting rod and used for assisting the leg support to be fixed on the crutch rod after being folded and retracted, and a hanging lug 32 is arranged at the corresponding position on the crutch rod;
the four-leg support 3 comprises a fixing seat 15 and four leg supports 16 with L-shaped structures, a through hole is formed in the middle of the fixing seat, a clamping groove 17 with an opening is formed in the fixing seat along the through hole in an outward extending mode, a groove block 18 with a threaded hole corresponding to the through hole in the fixing seat is arranged in the clamping groove, when the groove block is arranged in the clamping groove, the height of the groove block is consistent with that of the upper surface of the clamping groove, two of the four leg supports are fixed on the clamping groove 17 of the fixing seat, the other two leg supports are fixed on the groove block 18, and the four leg supports are distributed in a cross shape, wherein: two foot brackets 16-1 fixed on the clamping groove are of an integrated bending structure, and a first vertical limiting pin 19-1 is arranged above one side of the horizontal section close to the clamping groove; the two foot supports 16-2 fixed on the groove block are of split type structures, the horizontal section and the vertical section are connected through a rotating shaft, the vertical section can be turned 180 degrees along the horizontal section and is vertically upwards or downwards, a second vertical limiting pin 19-2 is arranged below one side, close to the groove block, of the horizontal section, and the distance from the limiting pin to the bending part of the foot support is the same as the distance from the limiting pin of the foot support on the clamping groove to the bending 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 arranged on the inner wall of the limiting block accommodating cavity, and a movable limiting block 21 is rotationally connected in the annular clamping groove; the spring pin mounting seat is internally provided with a spring pin mounting cavity, the bottom surface of the spring pin mounting cavity is provided with a baffle plate in a downward extending mode along the periphery, the lower edge of the baffle plate is provided with open slots 22 distributed in a cross shape in an upward extending mode, the bottoms of two opposite open slots are close to the fixed seat to form a high-position open slot 22-1, the bottoms of the other two opposite open slots are far away from the fixed seat to form a low-position open slot 22-2, and the low-position open slot is arranged in the vertical direction of the surface where the crutch handle is located;
the spring pin installation cavity is internally provided with a T-shaped spring pin 23, the spring pin 23 comprises a pin rod and a boss arranged at the upper end of the pin rod, the periphery of the pin rod is provided with a spring 24, the upper end of the spring is abutted on the bottom surface of the boss of the spring pin, the lower end of the spring is abutted on the bottom surface of the spring pin installation cavity, the lower end of the pin rod penetrates out of the bottom surface of the spring pin installation 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 splayed structure so as to prevent rollover;
the lower part outer peripheral face of walking stick pole 2 is the helicitic texture, and the lower extreme of walking stick pole passes butterfly nut 27, groove block 18, fixing base 15 in proper order, is fixed in on the activity stopper 21, wherein: the crutch rod 2 is in rotary connection with the annular clamping groove through the movable limiting block 21, the crutch rod 2 is in rotary connection 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 conveniently held by the old when in different use states.
The bottom of the L-shaped foot support is also provided with an anti-slip pad 29, so that the friction between the crutch foot and the ground is increased, and the crutch can safely move 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 limiting pins 19 on the plurality of universal balls and the foot supports are positioned on the same straight line, when the foot supports are clamped on the stair railing to push forwards, the universal balls can flexibly roll to facilitate upward pushing, and in the power assisting process, the universal balls can be clamped on the stair railing by changing the contact direction, so that the function of assisting the stair climbing is realized.
The working principle of the invention is as follows:
when the walking machine 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 retracted and fixed on the crutch rod, the slot block is arranged in the clamping slot and is screwed and fixed through the butterfly nut, the vertical sections of the two foot supports with the split type L-shaped structure are downwards arranged, the four foot supports are all in contact with the ground, and the height of the crutch handle can be adjusted according to the requirement;
when the walking stick is used up stairs, the butterfly nut is unscrewed firstly, the groove blocks are moved upwards through relative movement by rotating the walking stick rod, vertical sections of two split type foot supports on the groove blocks are turned upwards by 180 degrees, meanwhile, the two foot supports on the groove blocks are rotated to the groove blocks, which are oppositely arranged on the same side of the two foot supports on the clamping groove, and are screwed up through the butterfly nut;
when the crutch is pushed to walk (walk assisting), the groove block is positioned in a state of being used when going upstairs, the two foot supports on the groove block and the two foot supports on the clamping groove are positioned in a mirror arrangement position, the pulley connecting rod is downwards stretched and then rotated by 90 degrees and placed in the low-position open groove, the pulleys on the two sides of the pulley connecting rod touch the ground, the auxiliary foot supports are positioned in a put-down state, the crutch is obliquely placed, the pulley connecting rod and the auxiliary foot supports form a stable triangle structure, the pulleys on the two sides of the pulley connecting rod and the universal rollers on the auxiliary foot supports are positioned at the same level, the pulleys and the universal rollers are contacted with the ground to form a front wheel and a rear wheel which are pushed to walk, the walk assisting function can be realized through the mutual cooperation of the universal rollers and the pulleys on the bottom, and the length of the telescopic crutch handle is adjusted at the same time, so that the crutch can be pushed conveniently.
Where not described in detail in this specification, techniques well known in the art.
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, but that modifications and substitutions using techniques known in the art on the basis of the present invention fall within the scope of the present invention, which is defined by the claims.
Claims (6)
1. The utility model provides a help walking stick of helping hand that falls down, 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 support connect in the lower extreme of walking stick pole, its characterized in that:
the crutch handle is inserted and installed at the upper end of the crutch rod in a telescopic manner, the crutch handle is specifically installed in a cylindrical 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, protrusions are arranged on the outer sides of short-side spring pieces corresponding to the spring pieces, a row of through holes corresponding to the protrusions are arranged on the crutch handle, the protrusions extend out of the through holes, a through hole corresponding to the protrusions is arranged on the crutch rod, an annular pressing piece capable of sliding up and down and pressing the protrusions into the holes is arranged on the crutch rod above the through holes, and limiting protrusions for preventing the annular pressing piece from sliding down are arranged on the crutch rod below the through holes;
a foldable auxiliary foot support which can be turned up and down is arranged on the crutch rod positioned on the same side of the crutch handle, and a universal roller is arranged at the lower end of the outer side of the auxiliary foot support;
four foot support include fixing base, four L type structure's foot support, and the centre of fixing base is equipped with the through-hole, and the outside extension of through-hole is equipped with the draw-in groove of taking the opening along the through-hole on the fixing base, is equipped with the groove block of taking the screw hole corresponding with the through-hole on the fixing base in the draw-in groove, two foot supports in four foot support are fixed on the draw-in groove of fixing base, two other foot supports are fixed on the groove block, and four foot support are "ten" style of calligraphy and distribute, wherein: two foot brackets fixed on the clamping groove are of an integrated bending structure, and a vertical upward limiting pin is arranged above one side of the horizontal section, which is close to the clamping groove; the two foot supports fixed on the groove block are of split type structures, the horizontal section and the vertical section are connected through a rotating shaft, the vertical section can turn 180 degrees along the horizontal section and is vertically upwards or downwards, a vertical downwards limiting pin is arranged below one side, close to the groove block, of the horizontal section, and the distance from the limiting pin to the bending part of the foot support is the same as the distance from the limiting pin of the foot support to the bending part of the foot support on the clamping groove;
a limiting block accommodating cavity is formed by extending downwards along the through hole in 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;
the lower part outer peripheral surface of walking stick pole is the helicitic texture, and the lower extreme of walking stick pole passes butterfly nut, groove block, fixing base in proper order, is fixed in on the activity stopper, wherein: the crutch rod is in rotary connection with the annular clamping groove through the movable limiting block, the crutch rod is in rotary connection with the fixed seat, and the crutch rod is in threaded connection with the groove block and the butterfly nut;
a pulley which can stretch up and down is also arranged below the limiting block accommodating cavity, and when the pulley is in an elongation state and is contacted with the ground, the pulley is matched with a universal roller on the auxiliary foot support for use;
the concrete installation structure of the pulley which stretches up and down comprises a spring pin installation seat arranged at the bottom of a limiting block accommodating cavity, wherein a spring pin installation cavity is arranged in the spring pin installation seat, a baffle plate is arranged on the bottom surface of the spring pin installation cavity in a downward extending mode along the periphery, open slots distributed in a cross shape are arranged on the lower edge of the baffle plate in an upward extending mode, the bottoms of two opposite open slots are close to a fixed seat to form a high-position open slot, the bottoms of the other two opposite open slots are far away from the fixed seat to form a low-position open slot, and the low-position open slot is arranged in the vertical direction of a crutch handle;
the spring pin installation cavity is internally provided with a T-shaped spring pin, 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 installation cavity, the lower end of the pin rod penetrates out of the bottom surface of the spring pin installation 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;
when the walking machine is used, the pulleys capable of stretching up and down are set to be in a contracted state, the auxiliary foot supports are upwards retracted and fixed on the crutch rod through the hanging structure, the groove blocks are positioned in the clamping grooves and are screwed and fixed through butterfly nuts, the vertical sections of the two foot supports with the split type L-shaped structures are downwards arranged, and the four foot supports are all in contact with the ground;
when the stair railing is used up, the butterfly nut is unscrewed, the groove block is moved 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 two foot supports on the groove block, which are rotated to the groove block, are arranged in a mirror direction and are screwed up by the butterfly nut, when the stair railing is used, the crutch rod is transversely held by both hands, the cavity in the middle of the two groups of foot supports forms an embedded cavity of the stair railing, the two groups of foot supports form clamping parts from two sides of the stair railing, and the two opposite groups of limiting pins on the foot supports form supporting limiting parts on the upper end face of the stair railing;
when the crutch is pushed to walk, the groove block is positioned in a state of going upstairs, two foot supports on the groove block and two foot supports on the clamping groove are positioned in a mirror-direction arrangement position, the pulleys which can stretch up and down are arranged in an extending state, the pulleys are in contact with the ground, the auxiliary foot supports are turned downwards to be in a put-down state, the crutch is placed in an inclined mode, 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, and the pulleys and the universal rollers are in contact with the ground to form a front wheel and a rear wheel which push away.
2. The fall-preventing booster walking stick of claim 1, wherein: the auxiliary foot support comprises a support rod and a foldable pull rod, one end of the support rod is hinged to the crutch rod through a first hinging seat, the other end of the support 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 hinging seat, the other end of the pull rod is hinged to the middle part of the support 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 hinging seat and the second hinging seat are fixed to the crutch rod, and the second hinging seat is located above the first hinging seat.
3. The fall-preventing booster walking stick of claim 1, wherein: pulleys at two ends of the pulley connecting rod are of an eight-shaped structure.
4. A fall-preventing booster walking stick as claimed in claim 1, 2 or 3, wherein: the back of the crutch handle is provided with an auxiliary handle in an upward inclined way.
5. The fall-preventing booster walking stick of claim 4, wherein: the bottom of the L-shaped foot support is provided with an anti-slip pad.
6. The fall-preventing booster walking stick of claim 5, wherein: the horizontal sections of the four foot brackets are respectively provided with a plurality of spaced universal balls, and the universal balls and the central connecting line of the limiting pins on the foot brackets 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 true CN110558691B (en) | 2024-03-08 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111449923B (en) * | 2020-04-13 | 2022-03-04 | 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 |
| CN111973408B (en) * | 2020-09-03 | 2022-10-04 | 合肥工业大学 | Medical underarm crutch |
| CN112137848B (en) * | 2020-09-24 | 2022-07-29 | 河南科技大学 | Supplementary running gear with effect is prevented falling in buffering |
| CN112777453B (en) * | 2021-02-01 | 2022-08-12 | 宁玮辰 | Corridor auxiliary device that steps on building based on friction auto-lock |
| CN114053103B (en) * | 2021-11-12 | 2023-09-22 | 邢钧 | Rehabilitation crutch convenient to use |
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| FR2646329A1 (en) * | 1989-04-28 | 1990-11-02 | Aven Michel | Tip for white walking sticks with illuminated and sound-emitting castors |
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