CN110974637A - Foldable multifunctional walking aid - Google Patents
Foldable multifunctional walking aid Download PDFInfo
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- CN110974637A CN110974637A CN201911398075.9A CN201911398075A CN110974637A CN 110974637 A CN110974637 A CN 110974637A CN 201911398075 A CN201911398075 A CN 201911398075A CN 110974637 A CN110974637 A CN 110974637A
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- connecting rod
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- walking aid
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- buckling
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- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 15
- 230000008859 change Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 6
- 230000003044 adaptive effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 208000006011 Stroke Diseases 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 206010011985 Decubitus ulcer Diseases 0.000 description 1
- 206010019468 Hemiplegia Diseases 0.000 description 1
- 208000018737 Parkinson disease Diseases 0.000 description 1
- 206010035664 Pneumonia Diseases 0.000 description 1
- 208000004210 Pressure Ulcer Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 230000036541 health 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
- 201000000585 muscular atrophy Diseases 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 208000024891 symptom Diseases 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
- A61H3/04—Wheeled walking aids for patients or disabled persons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/04—Wheeled walking aids for patients or disabled persons
- A61H2003/046—Wheeled walking aids for patients or disabled persons with braking means
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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
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/01—Constructive details
- A61H2201/0119—Support for the device
- A61H2201/0138—Support for the device incorporated in furniture
- A61H2201/0149—Seat or chair
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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
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/01—Constructive details
- A61H2201/0161—Size reducing arrangements when not in use, for stowing or transport
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- Health & Medical Sciences (AREA)
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- Physical Education & Sports Medicine (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Rehabilitation Tools (AREA)
Abstract
The invention discloses a foldable multifunctional walking aid, which comprises an upper connecting rod and a lower connecting rod, wherein upper frame assemblies are symmetrically arranged on two sides of the upper connecting rod, and lower frame assemblies are symmetrically arranged on two sides of the lower connecting rod; the lower frame component comprises a lower frame, rolling wheels are arranged at two ends of an opening of the lower frame, a seat component is rotatably connected to the upper end of a U-shaped structure of the lower frame, and the seat component comprises a left seat and a right seat which are detachably connected; go up the carriage subassembly and include hand bracing piece and armpit bracing piece, hand bracing piece both ends are rotated respectively and are connected with first bracing piece and second bracing piece, and the connecting portion on the second bracing piece of both sides can be dismantled with the corresponding end of last connecting rod respectively and be connected, the lower extreme of armpit bracing piece with the connection can be dismantled to connecting portion. The walking aid can be conveniently folded, can change the use mode according to the body state of a user, and can provide a better assistance effect for the user with weak hand strength.
Description
Technical Field
The invention relates to the technical field of rehabilitation equipment, in particular to a foldable multifunctional walking aid.
Background
Patients with severe Parkinson, apoplexy, hemiplegia and the like and part of the old have weak legs and are difficult to walk, and a walking aid needs to be used for insisting on walking exercise to effectively enhance the recovery of muscle strength of the legs, improve the life quality and improve the confidence of curing diseases. According to relevant statistical data of 2017, 15% of people over 40 years old in China face high risk of stroke, and the risk is increased by 9% per year; parkinson patients exceed 300 million people, and the incidence of knowledge molecules is higher and higher. The disability caused by stroke and the manifestation of Parkinson's disease are mainly caused by mobility disorder, and complications such as pressure sores, pneumonia and muscular atrophy follow the symptoms. Most of the families of patients, and the old-age institutions and rehabilitation institutions of communities have great demands on the walking aid.
At present, the research and development of the walking aid are more and more in China, for example, the publication number CN201811608357.21 discloses a walking aid with a brake system, which is characterized by comprising the following components:
a frame;
a plurality of wheels disposed at a lower portion of the frame;
an electric brake disposed in cooperation with at least one of the plurality of wheels;
the control device is electrically connected with the electric brake;
the control device comprises a pressure trigger device, and when the pressure trigger device is in a pressure triggered state, the control device controls the electric brake to release braking on the wheel.
The invention solves the problems of limited grip strength and slow response of the hands of the patient. In addition, aiming at the problem that the patient easily moves to form danger when standing up and sitting, the device not only solves the problem that the accompanying person forgets to lock the wheels when assisting the patient to go up and down, but also is convenient for the patient to sit and stand by himself and freely control the walking. However, the above walking aid has the following problems in use: 1. the whole body is heavy and cannot be folded, so that the folding and the storage of a user are not facilitated; 2. the walking aid has a single use function, a user can only use the walking aid by holding hands on the handles, the use mode and the use function are single, when the user uses the walking aid in different body states, the use mode of the walking aid cannot be well changed according to the body state of the user, and therefore better use experience cannot be brought to the user; 3. the walking aid only supports the hands of a user to assist, but has poor assisting effect for the user with poor physical condition and weak hand strength.
Disclosure of Invention
Aiming at the defects in the prior art, the technical problems to be solved by the invention are as follows: how to provide a can conveniently fold, can change the use mode simultaneously according to user's health state, also can provide the collapsible multi-functional capable ware of better helping hand effect to the user that hand strength is weak.
In order to solve the technical problems, the invention adopts the following technical scheme:
the foldable multifunctional walking aid comprises an upper connecting rod and a lower connecting rod, wherein upper frame assemblies are symmetrically arranged on two sides of the upper connecting rod, which are perpendicular to the advancing direction of the walking aid, and lower frame assemblies are symmetrically arranged on two sides of the lower connecting rod, which are perpendicular to the advancing direction of the walking aid;
the lower frame assembly comprises a lower frame with a downward opening and a U-shaped structure, one sides of the lower frames at two sides, which face the front part of the walking aid, are connected through a lower connecting rod, the lower connecting rod can enable the lower frames at two sides to be close to or far away from each other, rolling wheels are arranged at two ends of the U-shaped opening of the lower frame, a seat assembly is further rotatably connected to the upper end of the U-shaped structure of the lower frame, the seat assembly comprises a left seat and a right seat which are detachably connected, one end, far away from the left seat, of the left seat, connected with the right seat is movably connected to the lower frame at the corresponding side, and one end, far away from the right seat, of the right seat, connected with the left seat is movably connected;
go up the frame subassembly and include hand bracing piece and armpit bracing piece, the hand bracing piece rotates respectively along the both ends of helping the capable ware direction of advance and is connected with first bracing piece and second bracing piece, first bracing piece is kept away from its connection the one end of hand bracing piece is rotated and is connected on the lower carriage, the second bracing piece with the one end that the hand bracing piece is connected still outwards extends along its axis direction and forms connecting portion, both sides connecting portion on the second bracing piece respectively with go up the corresponding end of connecting rod and can dismantle the connection, still set up the connecting hole that sets up along its axis direction on the connecting portion, the lower extreme of armpit bracing piece stretches into in the connecting hole, and with the connection can be dismantled to connecting portion.
The working principle of the invention is as follows: the walking aid of the invention has two use states when in use:
the first use state: the lower extreme of armpit bracing piece stretches into in the connecting hole to carry out fixed connection with connecting portion, when this kind of user state, user's armpit can support on the armpit bracing piece, the hand can support on the hand bracing piece, the power that utilizes armpit and hand promotes the roll wheel of walking aid jointly and gos forward, this kind of user state user's armpit and hand position can both obtain the helping hand, consequently this kind of user state can also have better technological effect to the user that hand strength is weaker.
The second use state: the armpit supporting rods are taken out from the connecting holes, and at the moment, the user only supports the hands on the hand supporting rods and pushes the rolling wheels of the walking aid to move forwards by using the strength of the hands.
Therefore, the walking aid can change two different using modes according to the state of a user, so that the walking aid can better adapt to the body state of the user and better provide assistance for the user.
In addition, when the walking aid is not needed to be used, the left seat and the right seat in the seat assembly are firstly disassembled, the disassembled left seat and the disassembled right seat respectively rotate downwards around the joints of the left seat and the lower support to be in a vertical state, at the moment, the first support rod and the second support rod respectively rotate around the rotating joints of the first support rod and the second support rod with the lower support, and the first support rod and the second support rod simultaneously drive the hand support rod to rotate around the rotating joints of the hand support rod and the first support rod and the second support rod until the whole upper frame assembly is in a downward inclined state; finally, the lower brackets on the two sides are close to each other by utilizing the lower connecting rods, so that the effect of integrally folding the walking aid is achieved; when the walking aid needs to be unfolded for use, the walking aid only needs to be operated in the opposite direction.
The invention has the beneficial effects that: the walking aid has two use states, so that a user can switch the use states of the walking aid according to the body state of the user, and when the user with weak hand strength uses the walking aid, the user with weak hand strength can be better assisted by increasing the auxiliary force under the armpit; meanwhile, the walking aid can be conveniently folded when not in use, so that the walking aid can be conveniently folded, the use mode can be changed according to the body state of a user, and a better assistance effect can be provided for the user with weak hand strength.
Preferably, one end, far away from the lower support, of the left seat is provided with a plurality of buckling strips in a protruding mode along the advancing direction of the walking aid, one end, far away from the advancing direction of the walking aid, of the left seat is flush with the end face of the buckling strips at the corresponding positions, the other end, far away from the advancing direction of the walking aid, of the left seat protrudes out of the end face of the buckling strips at the corresponding positions, the lower end face, far away from the lower support, of the right seat is provided with a plurality of buckling grooves which are adaptive to the shapes and the sizes of the buckling strips along the advancing direction of the walking aid, buckling holes adaptive to the shapes and the sizes of the buckling strips are formed between every two adjacent buckling grooves, one end, far away from the lower support, of the left seat can move on the lower support along the advancing direction of the walking aid, and the buckling strips stretch into the buckling holes or the buckling grooves.
Therefore, when the seat assembly needs to be used, the left seat and the right seat are respectively rotated around the respective connecting parts with the lower support, so that the left seat and the right seat are rotated to be in a horizontal state, then the left seat is moved on the lower support along the advancing direction of the walking aid, so that the buckle strip convexly arranged on the left seat extends into the buckle hole at the corresponding position, and the connection between the left seat and the right seat is realized by utilizing the locking between the buckle strip and the buckle hole; when the seat assembly is not needed to be used, the left seat is moved in the opposite direction of the lower support, so that the buckle strip is moved out of the buckle groove from the buckle hole, the left seat and the right seat are not connected together, the left seat and the right seat respectively rotate downwards around the rotating connection position of the left seat and the lower support to be in a vertical state, and therefore the connection and the disassembly between the left seat and the right seat are conveniently realized.
Preferably, the buckle strip comprises a first buckle part, a second buckle part and a locking part, two ends of the second buckle part are respectively connected with the first buckle part and the locking part, one end, far away from the first buckle part, of the first buckle part, connected with the second buckle part is connected with the left seat, two vertical ends of the second buckle part protrude out of the first buckle part, an inclined plane is symmetrically arranged at one end, connected with the second buckle part, of the locking part, the inclined plane enables the vertical height of the locking part to be gradually reduced, one end, far away from the locking part, of the locking part, connected with the second buckle part is provided with a locking groove, a locking protrusion is formed at a position, corresponding to the locking groove, of the buckle hole, and the locking protrusion can extend into the locking groove.
Like this, utilize first buckle portion, second buckle portion and locking portion can be better realize the locking connection between left seat and the right seat, the cooperation between protruding and the locking recess of locking can further improve the effect of locking simultaneously.
Preferably, one end of the left seat far away from the lower support connected with the lower support is provided with a plurality of first connecting strips in a protruding mode along the advancing direction of the walking aid, one end of the left seat along the advancing direction of the walking aid is flush with the end face of the first connecting strip at the corresponding position, the other end of the left seat along the advancing direction of the walking aid is protruded out of the end face of the first connecting strip at the corresponding position, two end faces in the vertical direction of the first connecting strips are flush with two end faces in the vertical direction of the left seat, the lower end face of the first connecting strip is provided with a plurality of limiting holes penetrating through the first connecting strips in an upward direction perpendicular to the advancing direction of the walking aid, one end of the right seat far away from the lower support is provided with a plurality of second connecting strips in a protruding mode along the advancing direction of the walking aid, the lower end face of each second connecting strip is flush with the lower end face of the right seat, the upper end surface of the second connecting strip and the corresponding position of the limiting hole are both provided with mounting blocks in an upward protruding mode, the mounting blocks are matched with the limiting hole in shape, the upper end surface of each mounting block is flush with the upper end surface of the right seat, one end, connected with the lower support, of the right seat can slide on the lower support along the advancing direction of the walking aid, and the mounting blocks on the second connecting strip stretch into or quit the limiting holes in the corresponding positions.
Therefore, when the seat assembly needs to be used, the left seat and the right seat are respectively rotated around the respective connecting parts with the lower bracket, so that the left seat and the right seat are rotated to be in a horizontal state, then the right seat is moved on the lower bracket along the advancing direction of the walking aid, the mounting block on the second connecting strip of the right seat is extended into the limiting hole at the corresponding position, and the connection between the left seat and the right seat is realized by locking between the limiting hole and the mounting block; when the seat assembly is not needed to be used, the right seat moves in the opposite direction of the lower support, so that the mounting block is moved out from the limiting hole, the left seat and the right seat are not connected together, the left seat and the right seat respectively rotate downwards around the rotating connection part of the left seat and the lower support to be in a vertical state, and therefore the connection and the disassembly between the left seat and the right seat are conveniently realized.
Preferably, the lower connecting rod includes intercrossing and forms first down tube and the second down tube of cutting the fork structure, the middle part position of first down tube with the middle part position of second down tube rotates to be connected, the upper end of first down tube rotate connect with the upside of the lower carriage that left seat is connected, the lower extreme sliding connection of first down tube with the downside of the lower carriage that right seat is connected, the upper end of second down tube rotate connect with the upside of the lower carriage that right seat is connected, the lower extreme sliding connection of second down tube with the upside of the lower carriage that left seat is connected.
Therefore, when the walking aid is required to be folded, the first inclined rod and the second inclined rod rotate relatively, meanwhile, the upper ends of the first inclined rod and the second inclined rod rotate around the lower brackets on the corresponding sides respectively, and the lower ends of the first inclined rod and the second inclined rod slide downwards along the lower brackets on the corresponding sides respectively, so that the lower brackets on the two sides are close to each other, and the folding of the walking aid is conveniently realized; when the walking aid needs to be used, the lower ends of the first inclined rod and the second inclined rod respectively slide upwards along the lower support frames on the corresponding sides, and the upper ends of the first inclined rod and the second inclined rod respectively rotate around the lower support frames on the corresponding sides, so that the lower support frames on the two sides are far away, and the walking aid is unfolded and used.
Preferably, the left seat comprises a left connecting block, a left connecting rod and a left seat plate, the left connecting block is rotatably connected to the lower bracket on the corresponding side, one side of the left connecting block, which is far away from the lower bracket, is fixedly connected with the left seat plate and the left connecting rod, one side of the left connecting rod, which is far away from the left connecting block, extends out of the left seat plate, and a left thread is arranged on the part of the left connecting rod, which extends out of the left seat plate;
the right seat comprises a right connecting block, a right connecting rod and a right seat plate, the right connecting block is rotatably connected to the lower support on the corresponding side, one side, far away from the right connecting block, of the right connecting block, which is connected with the lower support, is fixedly connected with the right seat plate and the right connecting rod, one side, far away from the right connecting block, of the right connecting rod, extends out of the right seat plate, and a right thread is arranged on the part, far out of the right seat plate, of the right connecting rod;
the left connecting rod and the right connecting rod are connected through a sleeve, and the part of the left connecting rod, which is provided with the left thread, and the part of the right connecting rod, which is provided with the right thread, extend into the sleeve from two sides respectively and are detachably connected with the sleeve.
Therefore, when the left seat and the right seat are connected, the left seat and the right seat are rotated to the horizontal position around the rotating connection parts of the left seat and the right seat and the lower support, then the threaded parts of the left connecting rod and the right connecting rod extend into the sleeve from two sides respectively, then the sleeve is rotated to realize the connection between the sleeve and the left connecting rod and the right connecting rod, and further realize the connection between the left seat and the right seat; when the left seat and the right seat need to be disassembled, the sleeve is rotated to separate the sleeve from the threaded parts of the left connecting rod and the right connecting rod, so that the left seat and the right seat can be disassembled.
Simultaneously, the left seat and the right seat of the structure can also form the structural form of a toilet bowl, and the threaded parts of the left connecting rod and the right connecting rod extend out of the left seat plate and the right seat plate, so that after the left seat and the right seat are connected together by the sleeve, a gap is bound to exist between the left seat and the right seat, and the walking aid can also be used as a simple toilet bowl through the reasonable design of the gap, so that the function of the walking aid is further increased.
Preferably, the lower connecting rod comprises a first connecting rod and a second connecting rod, the first connecting rod is connected with the lower bracket on one side, the second connecting rod is connected with the lower bracket on the other side, one end of the first connecting rod, which is far away from the lower bracket, is connected with the lower bracket, and a plurality of first adjusting holes are formed along the axial direction of the first connecting rod;
go up the connecting rod and include first upper boom and second upper boom, first upper boom and one side the second bracing piece is connected, the second upper boom is connected with the opposite side the second bracing piece, first upper boom keeps away from its connection a plurality of second regulation holes have been seted up to the one end of second bracing piece along its axial direction, the second upper boom keeps away from its connection the one end of second bracing piece stretches into in the first upper boom, the second upper boom stretches into the second fixed orifices has been seted up to the part of first upper boom, the second fixed orifices with correspond the position the second regulation hole is connected through second set screw.
Therefore, when different users use the walking aid, the relative positions of the first connecting rod and the second connecting rod can be adjusted, so that the first fixing hole in the second connecting rod corresponds to the first adjusting hole in different positions on the first connecting rod, the overall length of the lower connecting rod is changed, and the distance between the lower brackets on two sides is changed; similarly, through adjusting the relative position of the first upper rod and the second upper rod, the second fixing hole on the second upper rod corresponds to the second adjusting hole at different positions on the first upper rod, so that the overall length of the upper connecting rod is changed, the distance between the upper frame components at two sides is changed, and therefore the requirements of different users on the use space of the walking aid are met.
Preferably, one end of the lower support U-shaped opening, which faces the front part of the walking aid, is provided with a directional wheel, the directional wheel is connected with a wheel frame in a rotating manner, the upper end of the wheel frame is fixedly connected with the lower support, one end of the lower support U-shaped opening, which is far away from the front part of the walking aid, is provided with a universal wheel, and the directional wheel is further provided with a brake mechanism capable of locking or unlocking the directional wheel.
Therefore, the old people can find that the turning process is most prone to fall down by studying the walking habits of the old people. Therefore, the leg support of the walking aid is designed with the structural form of the front directional wheels and the rear universal wheels, thereby ensuring the flexibility and stability of the walking aid in the use process; meanwhile, the design of the brake mechanism can realize the locking of the walking aid.
Preferably, brake mechanism includes brake lever, brake cable and brake block, brake lever includes the portion of gripping and the installation department that the rotation connects, the installation department is connected on the hand bracing piece, the one end of brake cable is passed behind the installation department with portion of gripping fixed connection, the brake block is including rotating last brake block and lower brake block of connecting, go up the brake block with wheel carrier fixed connection, the brake block stretches into down in the wheel carrier, the up end protrusion of brake block is equipped with the erection column down, the upper end of erection column stretch into go up the brake block and with go up brake block sliding connection, set up along its axial direction on the erection column and run through the brake hole of erection column, the brake rope keeps away from its connection the one end of the portion of gripping passes brake hole after-fixing brake hole department the cover is equipped with the locking pressure spring on the erection column, two ends of the locking compression spring are respectively connected to the upper brake block and the lower brake block, and the locking compression spring is in a compressed state in an initial state and enables the lower brake block to be tightly pressed on the directional wheel.
The initial state is the state when the user is operating the walker.
Thus, in the initial state, the locking pressure spring is in a compressed state, and the elastic force of the locking pressure spring enables the lower brake block to be tightly pressed on the directional wheel, so that when a user does not operate the brake handle, the directional wheel is always in a locked state, and the whole walking aid is also in a locked state, therefore, the design has the advantages that when the user stands up and sits, the whole walking aid is in the locked state, the danger of movement of the walking aid cannot occur, meanwhile, the problems that the user has limited grip and cannot brake well and the slow brake response is not timely are solved, and the scheme can conveniently realize the locking of the walking aid only by the user leaving the brake handle with the hand; when a user needs to push the walking aid to walk, the user only needs to hold the hand at the holding part, so that the holding part rotates around the installation part, the brake rope is driven to move relative to the end connected with the holding part, the end, penetrating through the brake hole, of the brake rope drives the lower brake block to overcome the acting force of the locking pressure spring and move upwards, the lower brake block is separated from the directional wheel, and the brake to the directional wheel is released.
Preferably, a limiting groove is formed in the position, connected with the seat assembly, of the lower support, the left seat or the right seat is connected to the limiting groove in a sliding mode, and the left seat or the right seat can be connected or separated from the right seat when sliding to the two ends of the limiting groove along the limiting groove.
Like this, utilize the both ends of spacing recess to provide spacingly to the slip of left seat or right seat, conveniently to the connection and the separation between left seat and the right seat.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a front view of a first embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a left seat in a first embodiment of the present invention;
FIG. 6 is a schematic diagram of a right seat in accordance with a first embodiment of the present invention;
FIG. 7 is a schematic folding diagram of the first embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 9 is a schematic structural view of a right seat in a second embodiment of the present invention;
FIG. 10 is a schematic structural view of a left seat in a second embodiment of the present invention;
FIG. 11 is a schematic structural diagram of a third embodiment of the present invention;
FIG. 12 is a front view of example three in accordance with an embodiment of the present invention;
fig. 13 is a folding schematic diagram of the third embodiment of the present invention.
Description of reference numerals: the upper connecting rod 1, the armpit supporting rod 2, the second supporting rod 3, the connecting part 31, the hand supporting rod 4, the brake handle 5, the holding part 51, the first supporting rod 6, the lower bracket 7, the right seat 8, the buckling groove 81, the buckling hole 82, the locking protrusion 83, the second connecting strip 84, the mounting block 85, the right connecting rod 86, the left seat 9, the buckling strip 91, the first buckling part 92, the second buckling part 93, the locking part 94, the first connecting strip 95, the limiting hole 96, the left connecting rod 97, the brake rope 10, the first diagonal rod 11, the second diagonal rod 12, the universal wheel 13, the orienting wheel 14, the wheel carrier 15, the upper brake block 16, the lower brake block 17, the mounting column 18, the locking compression spring 19, the sleeve 20, the second upper rod 21, the first upper rod 22, the second connecting rod 23 and the first connecting rod 24.
Detailed Description
The invention will be further explained with reference to the drawings and the embodiments.
The first embodiment is as follows:
as shown in attached drawings 1 to 6, the foldable multifunctional walking aid comprises an upper connecting rod 1 and a lower connecting rod, wherein upper frame assemblies are symmetrically arranged on two sides of the upper connecting rod 1, which are perpendicular to the advancing direction of the walking aid, and lower frame assemblies are symmetrically arranged on two sides of the lower connecting rod, which are perpendicular to the advancing direction of the walking aid;
the lower frame component comprises a lower frame 7 with a downward opening and a U-shaped structure, the lower frames 7 on two sides are connected through a lower connecting rod towards one side of the front part of the walking aid, the lower connecting rod can enable the lower frames 7 on two sides to be close to or far away from each other, rolling wheels are arranged at two ends of the U-shaped opening of the lower frame 7, a seat component is further rotatably connected to the upper end of the U-shaped structure of the lower frame 7 and comprises a left seat 9 and a right seat 8 which are detachably connected, one end, far away from the left seat 9, of the left seat 9, which is connected with the right seat 8 is movably connected to the lower frame 7 on the corresponding side, and one end, far away from the right seat 8, of the right seat 8;
go up the frame subassembly and include hand bracing piece 4 and armpit bracing piece 2, hand bracing piece 4 rotates respectively along the both ends of helping the capable ware advancing direction and is connected with first bracing piece 6 and second bracing piece 3, first bracing piece 6 is kept away from its one end of connecting hand bracing piece 4 and is rotated and connect on lower carriage 7, second bracing piece 3 is kept away from its one end of connecting hand bracing piece 4 and is rotated and be connected on lower carriage 7, the one end that second bracing piece 3 and hand bracing piece 4 are connected still outwards extends along its axis direction and form connecting portion 31, connecting portion 31 on the second bracing piece 3 of both sides can be dismantled with the corresponding end of last connecting rod 1 respectively and be connected, still set up the connecting hole that sets up along its axis direction on connecting portion 31, the lower extreme of armpit bracing piece 2 stretches into in the connecting hole, and can dismantle with connecting portion 31 and be connected.
The working principle of the invention is as follows: the walking aid of the invention has two use states when in use:
the first use state: the lower extreme of armpit bracing piece 2 stretches into in the connecting hole to carry out fixed connection with connecting portion 31, when this kind of user state, user's armpit can support on armpit bracing piece 2, the hand can support on hand bracing piece 4, utilize the armpit and the power of hand to promote the wheel that rolls of helping hand ware jointly and advance, this kind of user state user's armpit and hand position can both obtain the helping hand, therefore this kind of user state also can have better technological effect to the user that hand power is weaker.
The second use state: the armpit supporting rods 2 are taken out from the connecting holes, and at the moment, the user only supports the hands on the hand supporting rods 4 and pushes the rolling wheels of the walking aid to move forwards by the force of the hands.
Therefore, the walking aid can change two different using modes according to the state of a user, so that the walking aid can better adapt to the body state of the user and better provide assistance for the user.
In addition, when the walking aid is not needed to be used, the left seat 9 and the right seat 8 in the seat assembly are firstly disassembled, the disassembled left seat 9 and the disassembled right seat 8 respectively rotate downwards around the joints of the left seat and the right seat and the lower bracket 7 to be in a vertical state, at the moment, the first support rod 6 and the second support rod 3 respectively rotate around the joints of the left seat and the right seat and the lower bracket 7, and the first support rod 6 and the second support rod 3 simultaneously drive the hand support rod 4 to rotate around the joints of the hand support rod 4 and the first support rod 6 and the second support rod 3 at the same time of rotation until the whole upper frame assembly is in a downward inclined state; finally, the lower brackets 7 at the two sides are close to each other by utilizing the lower connecting rods, the effect of folding the whole walking aid is finished, and the folded effect picture is shown as the attached figure 7; when the walking aid needs to be unfolded for use, the walking aid only needs to be operated in the opposite direction.
The invention has the beneficial effects that: the walking aid has two use states, so that a user can switch the use states of the walking aid according to the body state of the user, and when the user with weak hand strength uses the walking aid, the user with weak hand strength can be better assisted by increasing the auxiliary force under the armpit; meanwhile, the walking aid can be conveniently folded when not in use, so that the walking aid can be conveniently folded, the use mode can be changed according to the body state of a user, and a better assistance effect can be provided for the user with weak hand strength.
In the embodiment, one end of the left seat 9 far away from the lower support 7 is provided with a plurality of buckling strips 91 in a protruding mode along the advancing direction of the walking aid, one end of the left seat 9 along the advancing direction of the walking aid is flush with the end face of the buckling strip 91 at the corresponding position, the other end of the left seat 9 along the advancing direction of the walking aid is protruding out of the end face of the buckling strip 91 at the corresponding position, the lower end face of the right seat 8 far away from the lower support 7 is provided with a plurality of buckling grooves 81 which are adaptive to the external dimensions of the buckling strips 91 along the advancing direction of the walking aid, buckling holes 82 adaptive to the external dimensions of the buckling strips 91 are formed between every two adjacent buckling grooves 81, one end of the left seat 9 connected with the lower support 7 can move on the lower support 7 along the advancing direction of the walking aid, and the buckling strips 91 can extend into the buckling holes 82 or the buckling grooves 81.
Thus, when the seat assembly needs to be used, the left seat 9 and the right seat 8 are respectively rotated around the respective connection parts with the lower bracket 7, so that the left seat 9 and the right seat 8 are rotated to be in a horizontal state, then the left seat 9 is moved on the lower bracket 7 along the traveling direction of the walking aid, so that the buckling strip 91 protruding out of the left seat 9 extends into the buckling hole 82 in the corresponding position, and the connection between the left seat 9 and the right seat 8 is realized by locking between the buckling strip 91 and the buckling hole 82; when the seat assembly is not needed to be used, the left seat 9 is moved in the opposite direction along the lower bracket 7, so that the buckle strip 91 is moved out of the buckle hole 82 into the buckle slot 81, the left seat 9 and the right seat 8 are not connected together, and the left seat 9 and the right seat 8 respectively rotate downwards around the rotating connection part of the left seat 9 and the right seat 8 with the lower bracket 7 to be in an upright state, thereby conveniently realizing the connection and the disconnection between the left seat 9 and the right seat 8.
In this embodiment, the buckle strip 91 includes a first buckle portion 92, a second buckle portion 93 and a locking portion 94, two ends of the second buckle portion 93 are respectively connected with the first buckle portion 92 and the locking portion 94, one end of the first buckle portion 92, which is far away from the end where the first buckle portion 92 is connected with the second buckle portion 93, is connected with the left seat 9, two vertical ends of the second buckle portion 93 protrude out of the first buckle portion 92, an inclined plane, which enables the vertical height of the locking portion 94 to gradually decrease, is symmetrically arranged at one end where the locking portion 94 is connected with the second buckle portion 93, a locking groove is formed at one end, which is far away from the end where the locking portion 94 is connected with the second buckle portion 93, a locking protrusion 83 is formed at a position where the buckle hole 82 corresponds to the locking groove, and the locking protrusion 83 can.
In this way, the first latch part 92, the second latch part 93 and the locking part 94 can be used to better realize the locking connection between the left seat 9 and the right seat 8, and the cooperation between the locking protrusion 83 and the locking groove can further improve the locking effect.
In this embodiment, the lower link includes a first diagonal bar 11 and a second diagonal bar 12 which cross each other and form a scissors structure, a middle position of the first diagonal bar 11 is rotatably connected to a middle position of the second diagonal bar 12, an upper end of the first diagonal bar 11 is rotatably connected to an upper side of the lower frame 7 connected to the left seat 9, a lower end of the first diagonal bar 11 is slidably connected to a lower side of the lower frame 7 connected to the right seat 8, an upper end of the second diagonal bar 12 is rotatably connected to an upper side of the lower frame 7 connected to the right seat 8, and a lower end of the second diagonal bar 12 is slidably connected to an upper side of the lower frame 7 connected to the left seat 9. And a limiting block for limiting the movement of the first inclined rod 11 and the second inclined rod 12 is further arranged on the lower bracket 7.
Thus, when the walking aid needs to be folded, the first inclined rod 11 and the second inclined rod 12 rotate relatively, meanwhile, the upper ends of the first inclined rod 11 and the second inclined rod 12 rotate around the lower brackets 7 on the corresponding sides respectively, and the lower ends of the first inclined rod 11 and the second inclined rod 12 slide downwards along the lower brackets 7 on the corresponding sides respectively, so that the lower brackets 7 on the two sides are close to each other, and the folding of the walking aid is conveniently realized; when the walking aid needs to be used, the lower ends of the first inclined rod 11 and the second inclined rod 12 respectively slide upwards along the lower support frames 7 on the corresponding sides, and the upper ends of the first inclined rod 11 and the second inclined rod 12 respectively rotate around the lower support frames 7 on the corresponding sides, so that the lower support frames 7 on the two sides are far away, and the walking aid is unfolded for use.
In the embodiment, one end of the U-shaped opening of the lower support 7 facing the front part of the walking aid is provided with a directional wheel 14, a wheel frame 15 is rotatably connected onto the directional wheel 14, the upper end of the wheel frame 15 is fixedly connected with the lower support 7, one end of the U-shaped opening of the lower support 7 far away from the front part of the walking aid is provided with a universal wheel 13, and the directional wheel 14 is further provided with a brake mechanism capable of locking or unlocking the directional wheel 14.
Therefore, the old people can find that the turning process is most prone to fall down by studying the walking habits of the old people. Therefore, the structural form of the front directional wheels 14 and the rear universal wheels 13 is designed for the leg support of the walking aid, so that the flexibility and the stability of the walking aid in the use process are guaranteed; meanwhile, the design of the brake mechanism can realize the locking of the walking aid.
In this embodiment, the brake mechanism includes a brake handle 5, a brake cable and a brake block, the brake handle 5 includes a holding portion 51 and a mounting portion which are rotatably connected to each other, the mounting portion is connected to the hand support rod 4, one end of the brake cable passes through the mounting portion and then is fixedly connected to the holding portion 51, the brake block includes an upper brake block 16 and a lower brake block 17 which are rotatably connected to each other, the upper brake block 16 is fixedly connected to the wheel frame 15, the lower brake block 17 extends into the wheel frame 15, a mounting post 18 is convexly disposed on an upper end surface of the lower brake block 17, an upper end of the mounting post 18 extends into the upper brake block 16 and is slidably connected to the upper brake block 16, a brake hole penetrating through the mounting post 18 is formed in the mounting post 18 along an axial direction thereof, one end of the brake cable 10, which is far away from the connection of the holding portion 51, passes through the brake hole and then is fixed to the brake hole, a locking compression spring 19 is sleeved on the mounting post 18, two, the locking compression spring 19 is in a compressed state in the initial state and presses the lower brake block 17 against the directional wheel 14.
The initial state is the state when the user is operating the walker.
Thus, in the initial state, the locking pressure spring 19 is in a compressed state, and the elasticity of the locking pressure spring 19 enables the lower brake block 17 to be tightly pressed on the directional wheel 14, so that when a user does not operate the brake handle 5, the directional wheel 14 is always in a locked state, and the whole walking aid is also in a locked state, therefore, the design has the advantages that when the user stands up and sits, the whole walking aid is in the locked state, the danger of moving the walking aid cannot occur, meanwhile, the problems that the user has limited grip force, can not brake well and has slow response and untimely braking are solved, and the scheme can conveniently realize the locking of the walking aid only by leaving the brake handle 5 by the hand of the user; when a user needs to push the walking aid to walk, the user only needs to hold the holding part 51 with a hand, so that the holding part 51 rotates around the mounting part, and then the end, connected with the holding part 51, of the brake rope 10 is driven to move, at the moment, the end, penetrating through the brake hole, of the brake rope 10 also drives the lower brake block 17 to overcome the acting force of the locking compression spring 19 and move upwards, so that the lower brake block 17 is separated from the directional wheel 14, and the braking on the directional wheel 14 is released.
In this embodiment, a position where the lower bracket 7 is connected to the seat assembly is provided with a limit groove, the left seat 9 or the right seat 8 is slidably connected to the limit groove, and when the left seat 9 or the right seat 8 slides to both ends of the limit groove along the limit groove, the left seat 9 and the right seat 8 can be connected or separated.
Therefore, the two ends of the limiting groove are used for limiting the sliding of the left seat 9 or the right seat 8, and the left seat 9 and the right seat 8 are conveniently connected and separated.
Example two:
the second embodiment is different from the first embodiment in that:
as shown in the attached drawings 8 to 10, in the embodiment, one end of the left seat 9 far away from the lower support 7 is provided with a plurality of first connecting strips 95 in a protruding way along the advancing direction of the walking aid, one end of the left seat 9 along the advancing direction of the walking aid is flush with the end surfaces of the first connecting strips 95 at the corresponding positions, the other end of the left seat 9 along the advancing direction of the walking aid is protruded out of the end surfaces of the first connecting strips 95 at the corresponding positions, two end surfaces of the first connecting strips 95 in the vertical direction are flush with two end surfaces of the left seat 9 in the vertical direction, the lower end surface of the first connecting strips 95 is provided with a plurality of limiting holes 96 penetrating through the first connecting strips 95 in an inverted trapezoid structure upwards along the advancing direction of the walking aid, one end of the right seat 8 far away from the lower support 7 is provided with a plurality of second connecting strips 84 in a protruding way along the advancing direction of the walking aid, the lower end surfaces of the second connecting strips 84 are flush with the lower end surface, the corresponding positions of the upper end surface of the second connecting strip 84 and the limiting hole 96 are both provided with a mounting block 85 which is matched with the limiting hole 96 in shape in an upward protruding mode, the upper end surface of the mounting block 85 is flush with the upper end surface of the right seat 8, one end, connected with the lower support 7, of the right seat 8 can slide on the lower support 7 along the advancing direction of the walking aid, and the mounting block 85 on the second connecting strip 84 can extend into or withdraw from the limiting hole 96 at the corresponding position.
Thus, when the seat assembly needs to be used, the left seat 9 and the right seat 8 are respectively rotated around the respective joints with the lower bracket 7, so that the left seat 9 and the right seat 8 are rotated to be in a horizontal state, then the right seat 8 is moved on the lower bracket 7 along the traveling direction of the walking aid, so that the mounting block 85 on the second connecting strip 84 of the right seat 8 extends into the limiting hole 96 at the corresponding position, and the connection between the left seat 9 and the right seat 8 is realized by the locking between the limiting hole 96 and the mounting block 85; when the seat assembly is not needed to be used, the right seat 8 is moved in the opposite direction of the lower bracket 7, so that the mounting block 85 is moved out of the limiting hole 96, the left seat 9 and the right seat 8 are not connected together, and the left seat 9 and the right seat 8 respectively rotate downwards around the rotating connection part of the left seat 9 and the right seat 8 with the lower bracket 7 to be in an upright state, thereby conveniently realizing the connection and the disconnection between the left seat 9 and the right seat 8. The effect of the second embodiment after folding is similar to the effect of the first embodiment shown in fig. 7.
Example three:
the third embodiment is different from the first embodiment in that:
as shown in fig. 11 to 12, in the present embodiment, the left seat 9 includes a left connecting block, a left connecting rod 97 and a left seat plate, the left connecting block is rotatably connected to the lower bracket 7 on the corresponding side, one side of the left connecting block, which is far away from the side connected with the lower bracket 7, is fixedly connected with the left seat plate and the left connecting rod 97, one side of the left connecting rod 97, which is far away from the side connected with the left connecting block, extends out of the left seat plate, and a left thread is provided on a portion of the left connecting rod which;
the right seat 8 comprises a right connecting block, a right connecting rod 86 and a right seat plate, the right connecting block is rotatably connected to the lower bracket 7 on the corresponding side, one side of the right connecting block, which is far away from the lower bracket 7, is fixedly connected with the right seat plate and the right connecting rod 86, one side of the right connecting rod 86, which is far away from the right connecting block, extends out of the right seat plate, and a right thread is arranged on the part of the right connecting rod, which extends out of the right seat plate;
the left connecting rod 97 and the right connecting rod 86 are connected through the sleeve 20, and the parts of the left connecting rod 97 provided with the left threads and the parts of the right connecting rod 86 provided with the right threads extend into the sleeve 20 from two sides respectively and are detachably connected with the sleeve 20.
Thus, when the left seat 9 and the right seat 8 are connected, the left seat 9 and the right seat 8 are firstly rotated to the horizontal position around the respective rotating connection parts with the lower bracket 7, then the threaded parts of the left connecting rod 97 and the right connecting rod 86 are respectively extended into the sleeve 20 from two sides, then the sleeve 20 is rotated to realize the connection between the sleeve 20 and the left connecting rod 97 and the right connecting rod 86, and further realize the connection between the left seat 9 and the right seat 8; when it is necessary to detach the left and right seats 9 and 8, the sleeve 20 is rotated so that the sleeve 20 is separated from the threaded portions of the left and right connecting rods 97 and 86, whereby detachment between the left and right seats 9 and 8 can be achieved. The effect diagram of the embodiment after three-folding is shown in fig. 13.
Meanwhile, the left seat 9 and the right seat 8 can be connected in a manner of a toilet, and the threaded parts of the left connecting rod 97 and the right connecting rod 86 extend out of the left seat plate and the right seat plate, so that after the left seat 9 and the right seat 8 are connected together by the sleeve 20, a gap is bound to exist between the left seat 9 and the right seat 8, and the walking aid can be used as a simple toilet through the reasonable design of the gap, so that the function of the walking aid is further increased.
In this embodiment, the lower connecting rod includes a first connecting rod 24 and a second connecting rod 23, the first connecting rod 24 is connected with the lower bracket 7 on one side, the second connecting rod 23 is connected with the lower bracket 7 on the other side, one end of the first connecting rod 24, which is far away from the lower bracket 7, is provided with a plurality of first adjusting holes along the axial direction thereof, one end of the second connecting rod 23, which is far away from the lower bracket 7, is extended into the first connecting rod 24, the part of the second connecting rod 23, which is extended into the first connecting rod 24, is provided with a first fixing hole, and the first fixing hole and the first adjusting hole at the corresponding position are connected through a first fixing screw;
go up connecting rod 1 and include first upper boom 22 and second upper boom 21, first upper boom 22 is connected with the second bracing piece 3 of one side, second upper boom 21 is connected with the second bracing piece 3 of opposite side, first upper boom 22 keeps away from its one end of connecting second bracing piece 3 and has seted up a plurality of second regulation holes along its axial direction, second upper boom 21 keeps away from its one end of connecting second bracing piece 3 and stretches into in first upper boom 22, second upper boom 21 stretches into the part of first upper boom 22 and has seted up the second fixed orifices, the second fixed orifices passes through the second set screw with the second regulation hole that corresponds the position and connects.
Thus, when different users use the walking aid, the relative positions of the first connecting rod 24 and the second connecting rod 23 can be adjusted, so that the first fixing hole on the second connecting rod 23 corresponds to the first adjusting hole on the first connecting rod 24 at different positions, the overall length of the lower connecting rod is changed, and the distance between the lower brackets 7 at two sides is changed; similarly, the relative positions of the first upper rod 22 and the second upper rod 21 are adjusted, so that the second fixing holes in the second upper rod 21 correspond to the second adjusting holes in different positions in the first upper rod 22, the overall length of the upper connecting rod 1 is changed, and the distance between the upper frame components on the two sides is changed, so that the requirements of different users on the use space of the walking aid are met.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all that should be covered by the claims of the present invention.
Claims (10)
1. The foldable multifunctional walking aid is characterized by comprising an upper connecting rod and a lower connecting rod, wherein upper frame assemblies are symmetrically arranged on two sides of the upper connecting rod, which are perpendicular to the advancing direction of the walking aid, and lower frame assemblies are symmetrically arranged on two sides of the lower connecting rod, which are perpendicular to the advancing direction of the walking aid;
the lower frame assembly comprises a lower frame with a downward opening and a U-shaped structure, one sides of the lower frames at two sides, which face the front part of the walking aid, are connected through a lower connecting rod, the lower connecting rod can enable the lower frames at two sides to be close to or far away from each other, rolling wheels are arranged at two ends of the U-shaped opening of the lower frame, a seat assembly is further rotatably connected to the upper end of the U-shaped structure of the lower frame, the seat assembly comprises a left seat and a right seat which are detachably connected, one end, far away from the left seat, of the left seat, connected with the right seat is movably connected to the lower frame at the corresponding side, and one end, far away from the right seat, of the right seat, connected with the left seat is movably connected;
go up the frame subassembly and include hand bracing piece and armpit bracing piece, the hand bracing piece rotates respectively along the both ends of helping the capable ware direction of advance and is connected with first bracing piece and second bracing piece, first bracing piece is kept away from its connection the one end of hand bracing piece is rotated and is connected on the lower carriage, the second bracing piece with the one end that the hand bracing piece is connected still outwards extends along its axis direction and forms connecting portion, both sides connecting portion on the second bracing piece respectively with go up the corresponding end of connecting rod and can dismantle the connection, still set up the connecting hole that sets up along its axis direction on the connecting portion, the lower extreme of armpit bracing piece stretches into in the connecting hole, and with the connection can be dismantled to connecting portion.
2. The foldable multi-purpose walker according to claim 1, wherein the end of the left seat remote from the lower frame is provided with a plurality of snap-in strips protruding in the forward direction of the walker, one end of the left seat along the advancing direction of the walking aid is flush with the end surface of the buckle strip at the corresponding position, the other end of the left seat along the advancing direction of the walking aid protrudes out of the end surface of the buckling strip at the corresponding position, the lower end surface of the right seat far away from the lower bracket connected with the right seat is provided with a plurality of buckling grooves which are matched with the overall dimension of the buckling strips along the advancing direction of the walking aid, buckling holes which are matched with the overall dimension of the buckling strips are arranged between every two adjacent buckling grooves, one end of the left seat, which is connected with the lower support, can move on the lower support along the advancing direction of the walking aid, and the buckling strip extends into the buckling hole or the buckling groove.
3. The foldable multifunctional walking aid of claim 2, wherein the buckling strip comprises a first buckling part, a second buckling part and a locking part, two ends of the second buckling part are respectively connected with the first buckling part and the locking part, one end of the first buckling part, which is far away from the first buckling part and connected with the second buckling part, is connected with the left seat, two vertical ends of the second buckling part protrude out of the first buckling part, one end of the locking part, which is connected with the second buckling part, is symmetrically provided with inclined planes, which enable the vertical height of the locking part to be gradually reduced, one end of the locking part, which is far away from the second buckling part and connected with the locking part, is provided with a locking groove, a locking protrusion is formed at a position corresponding to the buckling hole and the locking groove, and the locking protrusion can extend into the locking groove.
4. The foldable multifunctional walking aid of claim 1, wherein one end of the left seat, which is far away from the end connected with the lower support, is provided with a plurality of first connecting strips in a protruding manner along the advancing direction of the walking aid, one end of the left seat along the advancing direction of the walking aid is flush with the end surfaces of the first connecting strips at the corresponding positions, the other end of the left seat along the advancing direction of the walking aid is protruded out of the end surfaces of the first connecting strips at the corresponding positions, two end surfaces in the vertical direction of the first connecting strips are flush with two end surfaces in the vertical direction of the left seat, the lower end surfaces of the first connecting strips are provided with a plurality of limiting holes penetrating through the first connecting strips in an upward direction perpendicular to the advancing direction of the walking aid, one end of the right seat, which is far away from the end connected with the lower support, is provided with a plurality of second connecting strips in a protruding manner along the advancing direction of the walking aid, and the number of the, the lower end face of the second connecting strip is flush with the lower end face of the right seat, the corresponding positions of the upper end face of the second connecting strip and the limiting hole are provided with mounting blocks which are matched with the limiting hole in shape in a protruding mode upwards, the upper end face of each mounting block is flush with the upper end face of the right seat, one end, connected with the lower support, of the right seat can slide on the lower support along the advancing direction of the walking aid, and the mounting blocks on the second connecting strip can stretch into or quit from the limiting holes in the corresponding positions.
5. The foldable multi-functional walker according to claim 1 wherein the lower connecting rods comprise a first diagonal rod and a second diagonal rod intersecting each other and forming a scissors structure, the middle position of the first diagonal rod is rotatably connected with the middle position of the second diagonal rod, the upper end of the first diagonal rod is rotatably connected to the upper side of the lower frame connected to the left seat, the lower end of the first diagonal rod is slidably connected to the lower side of the lower frame connected to the right seat, the upper end of the second diagonal rod is rotatably connected to the upper side of the lower frame connected to the right seat, and the lower end of the second diagonal rod is slidably connected to the upper side of the lower frame connected to the left seat.
6. The foldable multi-functional walker according to claim 1, wherein the left seat comprises a left connecting block, a left connecting rod and a left seat plate, the left connecting block is rotatably connected to the lower bracket on the corresponding side, the side of the left connecting block, which is away from the side where the left connecting block is connected to the lower bracket, is fixedly connected to the left seat plate and the left connecting rod, the side of the left connecting rod, which is away from the side where the left connecting block is connected to the left connecting block, extends out of the left seat plate, and is provided with left threads at the portion of the left connecting rod extending out of the left seat plate;
the right seat comprises a right connecting block, a right connecting rod and a right seat plate, the right connecting block is rotatably connected to the lower support on the corresponding side, one side, far away from the right connecting block, of the right connecting block, which is connected with the lower support, is fixedly connected with the right seat plate and the right connecting rod, one side, far away from the right connecting block, of the right connecting rod, extends out of the right seat plate, and a right thread is arranged on the part, far out of the right seat plate, of the right connecting rod;
the left connecting rod and the right connecting rod are connected through a sleeve, and the part of the left connecting rod, which is provided with the left thread, and the part of the right connecting rod, which is provided with the right thread, extend into the sleeve from two sides respectively and are detachably connected with the sleeve.
7. The foldable multifunctional walker as claimed in claim 6, wherein the lower connecting rods comprise a first connecting rod and a second connecting rod, the first connecting rod is connected with the lower bracket on one side, the second connecting rod is connected with the lower bracket on the other side, one end of the first connecting rod, which is far away from the lower bracket, is connected with the lower bracket, is provided with a plurality of first adjusting holes along the axial direction of the first connecting rod, one end of the second connecting rod, which is far away from the lower bracket, is extended into the first connecting rod, the part of the second connecting rod, which is extended into the first connecting rod, is provided with a first fixing hole, and the first fixing hole and the first adjusting hole at the corresponding position are connected through a first fixing screw;
go up the connecting rod and include first upper boom and second upper boom, first upper boom and one side the second bracing piece is connected, the second upper boom is connected with the opposite side the second bracing piece, first upper boom keeps away from its connection a plurality of second regulation holes have been seted up to the one end of second bracing piece along its axial direction, the second upper boom keeps away from its connection the one end of second bracing piece stretches into in the first upper boom, the second upper boom stretches into the second fixed orifices has been seted up to the part of first upper boom, the second fixed orifices with correspond the position the second regulation hole is connected through second set screw.
8. The foldable multifunctional walking aid of claim 1, wherein one end of the U-shaped opening of the lower bracket, which faces the front part of the walking aid, is provided with a directional wheel, the directional wheel is rotatably connected with a wheel frame, the upper end of the wheel frame is fixedly connected with the lower bracket, one end of the U-shaped opening of the lower bracket, which is far away from the front part of the walking aid, is provided with a universal wheel, and the directional wheel is further provided with a brake mechanism capable of locking or unlocking the directional wheel.
9. The foldable multifunctional walking aid of claim 8, wherein the brake mechanism comprises a brake handle, a brake cable and a brake block, the brake handle comprises a holding part and an installation part which are rotatably connected with each other, the installation part is connected to the hand support rod, one end of the brake cable passes through the installation part and then is fixedly connected with the holding part, the brake block comprises an upper brake block and a lower brake block which are rotatably connected with each other, the upper brake block is fixedly connected with the wheel carrier, the lower brake block extends into the wheel carrier, an installation column is arranged on the upper end surface of the lower brake block in a protruding manner, the upper end of the installation column extends into the upper brake block and is slidably connected with the upper brake block, a brake hole which penetrates through the installation column is arranged on the installation column along the axial direction of the installation column, one end of the brake cable, which is far away from the connection part, passes through the brake hole and then is fixed at the brake hole, the mounting column is sleeved with a locking pressure spring, two ends of the locking pressure spring are respectively connected to the upper brake block and the lower brake block, and the locking pressure spring is in a compression state in an initial state and enables the lower brake block to be tightly pressed on the directional wheel.
10. The foldable multi-functional walker as claimed in claim 1, wherein the lower frame is provided with a position defining a recess at which the seat assembly is connected, and the left seat or the right seat is slidably connected, and the left seat or the right seat can be connected or disconnected with the right seat when sliding along the recess to both ends of the recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911398075.9A CN110974637A (en) | 2019-12-30 | 2019-12-30 | Foldable multifunctional walking aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911398075.9A CN110974637A (en) | 2019-12-30 | 2019-12-30 | Foldable multifunctional walking aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110974637A true CN110974637A (en) | 2020-04-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911398075.9A Pending CN110974637A (en) | 2019-12-30 | 2019-12-30 | Foldable multifunctional walking aid |
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| CN (1) | CN110974637A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN209202530U (en) * | 2018-08-10 | 2019-08-06 | 哈尔滨紫冉科技开发有限公司 | It can be relieved the cushion of fatigue |
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| DE29612131U1 (en) * | 1996-07-12 | 1996-09-05 | Herbst, Christina, Dipl.-Ing., 14193 Berlin | Multifunctional chair |
| US20030006578A1 (en) * | 1998-10-01 | 2003-01-09 | Freedom Designs Incorporated | Size-adjustable laterally-folding tilting-frame wheelchair |
| CN200966694Y (en) * | 2006-09-06 | 2007-10-31 | 深圳信隆实业股份有限公司 | Four-wheel walking-assistant device |
| US20090050187A1 (en) * | 2007-08-20 | 2009-02-26 | Lamb Karen Y | Walker with underarm supports |
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| CN206118878U (en) * | 2016-11-02 | 2017-04-26 | 芦南海 | Multi -functional folding fishing chair |
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| CN209202530U (en) * | 2018-08-10 | 2019-08-06 | 哈尔滨紫冉科技开发有限公司 | It can be relieved the cushion of fatigue |
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