CN108498245A - A kind of multifunctional wheelchair - Google Patents

A kind of multifunctional wheelchair Download PDF

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Publication number
CN108498245A
CN108498245A CN201810331080.7A CN201810331080A CN108498245A CN 108498245 A CN108498245 A CN 108498245A CN 201810331080 A CN201810331080 A CN 201810331080A CN 108498245 A CN108498245 A CN 108498245A
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CN
China
Prior art keywords
seat
pedestal
support rod
line
rod component
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810331080.7A
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Chinese (zh)
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CN108498245B (en
Inventor
陶国民
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Individual
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Individual
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Filing date
Publication date
Priority to CN201810331080.7A priority Critical patent/CN108498245B/en
Application filed by Individual filed Critical Individual
Priority to EP18914174.0A priority patent/EP3777807B1/en
Priority to JP2021504553A priority patent/JP7386467B2/en
Priority to PCT/CN2018/085247 priority patent/WO2019196146A1/en
Priority to SG11202010074YA priority patent/SG11202010074YA/en
Priority to KR1020207032530A priority patent/KR102490831B1/en
Priority to AU2018418625A priority patent/AU2018418625B2/en
Priority to RU2020134892A priority patent/RU2767548C1/en
Publication of CN108498245A publication Critical patent/CN108498245A/en
Application granted granted Critical
Publication of CN108498245B publication Critical patent/CN108498245B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/006—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs convertible to stretchers or beds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
    • A61G5/0808—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction
    • A61G5/0833—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction folding front to back, e.g. reducing or expanding the overall depth of the wheelchair
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
    • A61G5/0808—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction
    • A61G5/085—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction folding up and down, e.g. reducing or expanding the overall height of the wheelchair
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
    • A61G5/0866—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable folding down backrest, e.g. where the backrest folds down onto the seat support
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1056—Arrangements for adjusting the seat
    • A61G5/1059—Arrangements for adjusting the seat adjusting the height of the seat
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1056—Arrangements for adjusting the seat
    • A61G5/1064—Arrangements for adjusting the seat adjusting the depth of the seat
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1056—Arrangements for adjusting the seat
    • A61G5/1067—Arrangements for adjusting the seat adjusting the backrest relative to the seat portion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A61G5/121—Rests specially adapted therefor, e.g. for the head or the feet for head or neck
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A61G5/125—Rests specially adapted therefor, e.g. for the head or the feet for arms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A61G5/127—Rests specially adapted therefor, e.g. for the head or the feet for lower legs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2200/00—Information related to the kind of patient or his position
    • A61G2200/30—Specific positions of the patient
    • A61G2200/32—Specific positions of the patient lying
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2200/00—Information related to the kind of patient or his position
    • A61G2200/30—Specific positions of the patient
    • A61G2200/34—Specific positions of the patient sitting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00—General characteristics of devices
    • A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
    • A61G5/0875—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable dismountable, e.g. where the wheelchair can be disassembled for transportation or storage
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1002—Parts, details or accessories with toilet facilities
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1094—Tables, working plates or trays

Abstract

Include the pedestal with wheel the invention discloses a kind of multifunctional wheelchair, further includes the adjustable lifting device being connected to above pedestal；Adjustable lifting device includes seat, with the hinged backrest in seat rear end, the second line of a couplet fishplate bar being connect with pedestal, and the support construction being articulated between seat and second line of a couplet fishplate bar；Support construction includes front support rod component, back support rod component；Adjustable lifting device further includes the driving mechanism for driving support construction rotation and/or for driving seat to lift, driving mechanism generates rotary motion or linear motion, so that the parallelogram mechanism that seat, front support rod component, second line of a couplet fishplate bar and back support rod component are formed is in unfolded state or receiving state.Because of the structure type coordinated using pedestal and adjustable lifting device, height, the angle of wheelchair main body are adjustable, have more wide applicability, are suitable for the lathe bed of various height, and meet and lie low, Zuo Li, movement, receive a variety of use demands such as folded.

Description

A kind of multifunctional wheelchair
Technical field
The present invention relates to medical nursing equipment more particularly to it is a kind of for long crouch bed person or can not the patients of autonomic activities make Multifunctional wheelchair.
Background technology
Currently, for the wheelchair designed by long-term bed or handicapped person, have a single function, is only capable of meeting user's utilization The parts use demands such as wheelchair movement, and because structure fixation can not change, during user moves to wheelchair from the bed, often It needs more people to be carried out at the same time lift to embrace, be caused stress to families of patients and nurse, time-consuming and laborious and user is simultaneously uncomfortable, several families Belong to or nurse nurses treatment and causes huge economic pressures to family simultaneously, therefore there is an urgent need for a full-featured, flexible structure, And reduce the multifunctional wheelchair of ancillary staff's number.
Invention content
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of multifunctional wheelchair is provided.
To achieve the above object, the present invention uses following technical scheme：
A kind of multifunctional wheelchair includes the pedestal with wheel, further includes the adjustable liter being connected in above the pedestal Falling unit；The adjustable lifting device includes seat, with the hinged backrest in seat rear end, the lower link coupled with pedestal Plate, and the support construction that is articulated between seat and second line of a couplet fishplate bar；The support construction includes front support rod component, rear support Bar assembly；Adjustable lifting device further includes the driving machine for driving support construction rotation and/or for driving seat to lift Structure, the driving mechanism generates rotary motion or linear motion, so that seat, front support rod component, second line of a couplet fishplate bar and rear support The parallelogram mechanism that bar assembly is formed is in unfolded state or receiving state.
Its further technical solution is：The upper backup pad of the pedestal is equipped with sliding slot, and the lower section of the second line of a couplet fishplate bar is equipped with The pulley being in sliding fit with the sliding chute, to constitute, the sliding between adjustable lifting device and pedestal is removable to be coupled；Alternatively, described Second line of a couplet fishplate bar be the pedestal upper backup pad, to be integrally formed formula structure；Or the second line of a couplet fishplate bar and the bottom The upper backup pad that seat is equipped with is fixedly connected.
Its further technical solution is：The removable connection of the sliding uses sliding slot locking structure, specifically includes and is set to Front and back block, two sliding slots, two buffers, two closing pieces of each pair of pedestal；Two closing pieces pass through the upper surface of pedestal plate The top for being connected in unlock frame is extended downwardly, unlock frame is slidably connected by guide rod on the lower section of the upper surface of pedestal plate, guide rod It is arranged with the self-locking spring being only butted below unlock frame；Block stops the fixation of the second line of a couplet fishplate bar lower surface to adjustable lifting device Protrusion.
Its further technical solution is：The adjustable lifting device further includes：It is hinged with the front end of the seat Front apron；Preceding handrail of the hinge set on the front center of the seat；Neckpillow set on the backrest outer end；The front support rod Component includes left front supporting rod and right anterior branch strut, and the back support rod component includes left back supporting rod and right back support rod.
Its further technical solution is：The center of the seat is equipped with defecation through-hole；It is equipped with below the seat and is located at row Just the elastic frame-type holder below through-hole, with resilient support waste receptacle.
Its further technical solution is：The driving mechanism is the motor with deceleration mechanism；The deceleration mechanism is set There is output shaft and couples with front support rod component or the back support rod component rotating shaft transmission of any one；
Alternatively, the driving mechanism is to generate the hand assistor lever of rotary power, the front support rod component or rear branch The strut component shaft outer end of any one is equipped with torsion connection part, the hand assistor lever and torsion connection part driving coupling；
Or the driving mechanism is any set on second line of a couplet fishplate bar and seat, front support rod component, back support rod component Straight line actuating unit between person, the straight line actuating unit are electric putter, cylinder, oil cylinder or ball-screw transmission mechanism；
Or the driving mechanism is the air bag between second line of a couplet fishplate bar and seat, and couple with air bag gas circuit Air pump；
Or the driving mechanism is the magnetic force mechanism between second line of a couplet fishplate bar and seat, the magnetic force mechanism Including the lower coil that is fixed on above second line of a couplet fishplate bar and the coil being fixed below seat, and it is electrical with coil, lower coil The driving circuit of connection；The coil generates magnetic field at the same level with lower coil, and then generates the repulsive force that seat is raised above.
Its further technical solution is：The chassis left side and/or right side is hinged with infusion support, the infusion branch Frame is axial length adjustable type rod-like structure.
Its further technical solution is：It is door-shaped frame structure that the pedestal connection, which has supporting pole rack, the supporting pole rack, Include left side bar, the right-hand rod coupled with the left rear side of pedestal, right lateral side, and what is coupled with left side bar, right side rod rear end horizontal push away Bar；When the backrest is in 180 degree unfolded state with seat, the horizontal push rod is connected in the lateral card that the rear back side of backrest is equipped with In slot.
Its further technical solution is：The both sides of the pedestal are hinged with square handrail, and the square handrail is forward It is receiving state when being rotated by 90 °.
Its further technical solution is：The socket for external desktop is equipped at the top of the adjustable armrest.
Its further technical solution is：The pan frontward end is equipped with foot pedal.
Advantageous effect compared with prior art：
A kind of multifunctional wheelchair of the present invention has following remarkable advantage compared to traditional push chairs：
For the present invention because of the structure type using pedestal and the cooperation of adjustable lifting device, height, the angle of wheelchair main body are equal It is adjustable, there is more wide applicability, be suitable for the lathe bed of various height, and meet and lie low, sitting, movement, receive it is folded etc. A variety of use demands；Because using dismountable structure is slided, Convenient wheelchair main body and pedestal are used separately, and weight is lighter, are reduced The muscle power expenditure of nurse and families of patients, and in the case where mobile working state applies less, multiple wheelchair main bodys can be total to With a pedestal, expense expenditure is reduced；Because adjustable lifting device further include center be equipped with defecation through-hole seat, be used to support The front apron of lower leg portion, the neckpillow that the preceding handrail and supporting head part that lean on are helped for user have more while increasing comfort level High safety；Because a variety of power-driven mechanisms may be used, manufacturer can carry out according to different costs and production emphasis Flexibly selection；Pedestal is additionally provided with for pushing the supporting pole rack of wheelchair, the handrail for being used to support user's ancon, for placing the outer of article It connects desktop and is used to support the foot pedal of foot, it is full-featured, it is durable.
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that above-mentioned purpose, the characteristics and advantages of the present invention Applying mode, the present invention is described in further detail.
Description of the drawings
Fig. 1 is that the multifunctional wheelchair specific embodiment of the present invention receives the structure chart of overlapping state；
Fig. 2 is the structure chart (state of lying down) of multifunctional wheelchair specific embodiment unfolded state shown in FIG. 1；
Fig. 3 is the structure chart of multifunctional wheelchair specific embodiment unfolded state shown in FIG. 1 (sit up state)；
Fig. 4 is the side view of Fig. 2；
Fig. 5 is the base portion component of multifunctional wheelchair of the present invention shown in FIG. 1；
Fig. 6 is that the adjustable lifting device of the multifunctional wheelchair of the present invention looks up three-dimensional structure diagram；
Fig. 7 is the support construction and driving mechanism expanded schematic diagram that Fig. 6 adjustable lifting devices simplify；
Fig. 8 is the side view of Fig. 5 (castor is in decomposing state)；
Fig. 9 looks up three-dimensional structure diagram for Fig. 5's.
Reference numeral
1 pedestal, 10 foot pedal
11 infusion support, 12 block
13 sliding slot, 14 buffer
15 closing piece, 16 bar
17 wheel, 18 self-locking spring
19 unlock 111 first electric putters of frame
112 second electric putter, 113 third electric putter
114 strut, 115 handrail side yoke plate
Joining beam under 116 pedal joining beam, 117 handrail
2 adjustable lifting device, 21 front apron
23 neckpillow of handrail before 22
3 seat, 31 defecation through-hole
4 backrests
Roller bearing on 5 second line of a couplet fishplate bars 51
52 idler wheel, 53 transition support arm
54 transition support 55 roller groove of shaft
56 coupling head, 57 front lower support shaft
Upper support shaft before 58 push shafts 59
6 support constructions
61 front support rod component, 62 back support rod component
63 rami posterior inferiors support 64 rami posterior superior of axis and support axis
7 supporting pole rack, 71 left side bar
72 horizontal push rods
8 square handrail, 9 external desktop
Specific implementation mode
Many details are elaborated in following specific descriptions to facilitate a thorough understanding of the present invention, still the present invention is gone back Other may be used different from the other modes of this description to realize, therefore, protection scope of the present invention is not by described below Specific embodiment limitation.
As shown in Figure 1, a kind of multifunctional wheelchair, includes the pedestal 1 with wheel 17, further include being connected in 1 top of pedestal Adjustable lifting device 2.
As in Figure 2-4, adjustable lifting device 2 includes seat 3 and the hinged backrest 4 in 3 rear end of seat, with pedestal 1 The second line of a couplet fishplate bar 5 connect, and the support construction 6 that is articulated between seat 3 and second line of a couplet fishplate bar 5；Support construction 6 includes front support rod group Part 61, back support rod component 62, front support rod component 61 include left front supporting rod and right anterior branch strut, and back support rod component 62 wraps Include left back supporting rod and right back support rod.Adjustable lifting device 2 further includes for driving support construction 6 to rotate and/or be used for The driving mechanism for driving seat 3 to lift, driving mechanism generates rotary motion or linear motion, so that seat 3, front support rod component 61, the parallelogram mechanism that second line of a couplet fishplate bar 5 and back support rod component 62 are formed is in unfolded state or receiving state.When in When unfolded state, multifunctional wheelchair of the invention is in running order, and nurse or the family members to watch over the sick can be assisted to user Carry out daily cleaning activity.When in receiving state, multifunctional wheelchair of the invention overlapping storage, volume is minimum, can be light Receipts are stacked in arbitrary corner, reduce space hold amount.
As shown in Figure 4 and Figure 5,1 lower section of pedestal is symmetrically installed with front and back two groups of wheels 17, and wheel 17 is removable with pedestal 1 Formula thread connection, by the artificial increase and decrease of screw thread mesh volume, connection height can be adjusted on demand.The bed being applicable in by the present invention Body height differs, and when the height of adjustable lifting device 2 cannot be satisfied requirement, is assisted by wheel 17 on pedestal 1 Multifunctional wheelchair whole height is adjusted, most lathe beds that altitude range is suitable for using on the market are adjusted, is had extensive Versatility.
In embodiment 1, as shown in Figure 6 and Figure 7, front lower support shaft 57, preceding upper support shaft 59, rami posterior inferior support axis 63 and it is rear on Support shaft 64 constitutes four articulated positions of support construction 6.First electric putter 111 is electric telescopic rod, the first electric putter 111 Fixing end and the fixing bracket (being set to second line of a couplet fishplate bar 5, belong to a part for second line of a couplet fishplate bar 5) of adjustable lifting device 2 are hinged, living Moved end is sheathed on 58 outer ring of push shaft by coupling head 56, and 58 both ends of push shaft are respectively provided with an idler wheel 52, and idler wheel 52 is in left front support It is rolled in set roller groove 55 on bar, right anterior branch strut, the fixing bracket of adjustable lifting device 2 is additionally provided with transition support and turns Axis 54, transition support 54 both ends of shaft hinged with fixing bracket, are equipped at transition support 54 two close end of shaft and mutually hang down with its axis Straight transition support arm 53,53 top of transition support arm are equipped with the smaller upper roller bearing 51 of diameter, and pivot is also distinguished at the both ends of push shaft 58 It is connected to the stage casing of transition support arm 53.In 2 uphill process of adjustable lifting device, 52 outer surface of idler wheel is contacted with roller groove 55, When the movable end of first electric putter 111 stretches out, idler wheel 52 is driven to be rolled in roller groove 55, by seat 3, front support rod component 61, the parallelogram that second line of a couplet fishplate bar 5 and back support rod component 62 are formed is propped up.When adjustable lifting device 2 rise to it is pre- When fixed height (being bordering on maximum opening state), idler wheel 52 is detached from roller groove 55, support force is not generated, by 53 top of transition support arm Upper roller bearing 51 and the both sides of the edge of roller groove 55 at be in contact to generate support force, the arm of force at this time becomes larger, the first electric putter Reaction force suffered by 111 becomes smaller, so that adjustable lifting device 2 can more be stablized in opening state.In this way Support construction advantage be that initial stressed can be increased in 2 uphill process of adjustable lifting device, and shorten electric putter Stroke, stress is small again in maximum rating for electric putter, ensures the structural stability of each component, increases service life.On therein Roller bearing 51 preferably uses step structure, the i.e. diameter at both ends to be less than intermediate part.
In other embodiments, the upper backup pad of multifunctional wheel seat base 1 of the invention is equipped with sliding slot 13, second line of a couplet fishplate bar 5 Lower section be equipped with the pulley that is slidably matched with sliding slot 13, the sliding constituted between adjustable lifting device 2 and pedestal 1 is removable It connects.
As shown in Fig. 5, Fig. 8 and Fig. 9, in other embodiments, sliding slot is used between adjustable lifting device 2 and pedestal 1 Locking structure carries out removable connection.1 upper surface of pedestal is equipped with：Four blocks 12 (front and back each pair), two sliding slots 13, two 14, two closing pieces 15 of buffer；Two closing pieces 15 are extended downwardly across the upper surface of pedestal 1 plate (i.e. upper surface) is connected in unlock frame 19 top, unlock frame 19 are slidably connected by guide rod and are only butted on unlock in being arranged on the lower section of the upper surface of pedestal 1 plate, guide rod The self-locking spring 18 of 19 lower section of frame.Buffer 14 is internally provided with the spring of bumper and absorbing shock, reduces the inertia in assembling process to making Secondary injury caused by user.Fixed lobe of the block 12 for 5 lower surface of second line of a couplet fishplate bar only to adjustable lifting device 2 (be not shown in figure, be equipped with two groups, be bordering on front end be equipped with two, be bordering on rear end be equipped with two, it is corresponding with the quantity of block 12), For the limit after assembly.When multifunctional wheelchair to be applied in combination, the second line of a couplet fishplate bar 5 of adjustable lifting device 2 is at two Under the position-limiting action of sliding slot 13, is slided and accessed along sliding slot 13 by the horizontal direction of rear end towards the front end of pedestal 1, under second line of a couplet fishplate bar 5 When the fixed lobe on surface acts on the guiding surface of closing piece 15, closing piece 15 is pressed downward, the fixed lobe for being bordering on rear end is crossed After the top of closing piece 15, closing piece 15 is popped up automatically by spring force of the self-locking spring 18 to the unlock generation of frame 19, The fixed lobe for being bordering on rear end is placed between the block 12 of rear end and closing piece 15, forms assembly assembled state.Because using sliding slot 13 And buffer 14, it is ensured that the labor-saving of assembling process and safety ensure that assembly effect because using block 12 and closing piece 15 It is solid reliable.When being split the multifunctional wheelchair of combination, pressure is applied to closing piece 15, closing piece 15 presses to upper surface It is concordant with 5 upper surface of second line of a couplet fishplate bar, the elastic force direction assembly opposite direction of buffer 14 so that adjustable lifting device 2 releases Couple with the locking of pedestal 1, then by external force dragging adjustable lifting device 2, completes to split, such structure makes split process Time saving and energy saving, operation can be completed in one.When specifically being split, user is slammed downwards with foot (or with other work Tool presses down) unlock frame 19 crossbar sections, to unlock frame 19 apply downward pressure, to overcome the bullet of self-locking spring 18 Spring force, to drive closing piece 15 to press to, upper surface is concordant with 5 upper surface of second line of a couplet fishplate bar, the elastic force direction assembly phase of buffer 14 Negative direction so that the releasing of adjustable lifting device 2 couples (i.e. de-assembly assembled state) with the locking of pedestal 1, then is dragged by external force Dynamic adjustable lifting device 2, completes to split.This foot-operated unlocking structure can mitigate the working strength of fractionation personnel, convenient reliable. The structure of block 12 therein in the present embodiment is inverted L shape, to form the limit chamber for accommodating fixed lobe, in assembly group Under conjunction state, adjustable lifting device 2 can be prevented to be detached from upward in pedestal 1.
In other embodiments, second line of a couplet fishplate bar 5 is the upper backup pad of pedestal 1, and multifunctional wheelchair is integrally formed formula structure.
Alternatively, the upper backup pad that second line of a couplet fishplate bar 5 is equipped with pedestal 1 is fixedly connected, connecting mode includes thread connection, welding Deng, purpose also for the multifunctional wheelchair for obtaining integral structure, ensure the reliability and durability property of wheelchair.
As shown in Fig. 2, adjustable lifting device 2 further includes：
The front apron 21 hinged with the front end of seat 3, when wheelchair, which is in, sits up working condition, front apron 21 is used cooperatively Person's calf tilts, to provide support force to leg.
Hinge is set on the preceding handrail 22 of the front center of seat 3, and when wheelchair, which is in, sits up working condition, preceding handrail 22 is by water Level state rotates to be vertical state, helps and holds for user, alleviates the intense strain of user in wheelchair moving process.
Neckpillow 23 set on 4 outer end of backrest, neckpillow 23 can be customized according to user's use demands, be fixedly linked in and lean on It carries on the back 4 outer ends or is equipped with slot in integral structure or 4 outer end of backrest with 4 outer end of backrest, 23 lower part of neckpillow, which is equipped with, to match Inserting column is actively coupled.
As shown in figure 9, in other embodiments, 112 fixing end of the second electric putter is fixed with 1 lower surface holder of pedestal to be joined It connects, joining beam 117 is hinged under movable end and handrail, and joining beam 117 passes through the handrail side yoke plate 115 and bar that are fixedly connected under handrail 16 are fixedly connected, and handrail side yoke plate 115 is vertical with bar 16.When bar 16 is in horizontality, be contraction state, second The movable end of electric putter 112 is in the state stretched out.In the operating condition, the movable end of the second electric putter 112 is shunk, to band Joining beam 117 rotates under dynamic handrail, and while joining beam 117 rotates under handrail, then the handrail side yoke plate 115 by being fixedly connected drives Bar 16 rotates up, and bar 16 is propped up supports elbow for user.
Further technical solution is as shown in figure 9,117 middle part of joining beam is arranged with pedal joining beam 116, pedal joining beam under handrail 116 one end are articulated with joining beam 117 under handrail, and the other end is articulated in the middle part of the lower section of front pedal 21.In the operating condition, the second electricity The movable end of push rod 112 is shunk, and to drive joining beam 117 under handrail to rotate, while joining beam 117 rotates under handrail, drive is stepped on Plate joining beam 116 rotates, so that the front pedal 21 coupled is rotated forward by rear, leg of releiving when being sat for user.
Further technical solution is as shown in figure 8, the fixing end of third electric putter 113 is fixedly linked in the fixation of pedestal 1 On holder, the lower end of movable end and strut 114 is hinged, in conjunction with Fig. 1-Fig. 3 it is found that strut 114 hangs down with left side bar 71 and right-hand rod It is directly fixedly connected, backrest 4 is in when being more than the expansion of an angle of 90 degrees degree, and third electric putter 113 rotates, and then drives strut 114 and left side The rotation of bar 71, right-hand rod rises, and when horizontal push rod 72 is contacted with 4 lower surface of backrest, driving mechanism stops driving, reaches stable shape State gives backrest 4 enough support forces, ensures the gentle support at user back.
Electric putter in above-described embodiment can be replaced by other straight line actuating units, such as the ball with motor Screw body or screw mechanism are connected to the cylinder or oil cylinder of pressure source.
As shown in Figures 2 and 3, the center of seat 3 is equipped with defecation through-hole 31, and 3 lower section of seat, which is equipped with, is located at defecation through-hole 31 The elastic frame-type holder of lower section improves support validity and the container dismounting of waste receptacle with resilient support waste receptacle The degree of convenience replaced.
In other embodiments, the center of seat 3 is equipped with defecation through-hole 31, and the daily excretion on wheelchair for user is sat The lower section of plate 3 is equipped with sliding slot or holder, and the sliding slot or holder are located at 31 lower section of defecation through-hole, to be slidably connected or support excretion Object container, excretion containers can according to specific requirements select bedpan, disposable drainage bag or other.
In other embodiments, the driving mechanism of multifunctional wheelchair of the invention is the motor with deceleration mechanism；Subtract Fast mechanism is equipped with output shaft and couples with front support rod component 61 or back support rod component 62 rotating shaft transmission of any one.
In other embodiments, driving mechanism be generate rotary power hand assistor lever, front support rod component 61 or after The shaft outer end of any one of supporting rod component 62 is equipped with torsion connection part, hand assistor lever and torsion connection part driving coupling.
In other embodiments, driving mechanism is set on second line of a couplet fishplate bar 5 and seat 3, front support rod component 61, back support rod Straight line actuating unit of the component 62 between any one, straight line actuating unit are electric putter, cylinder, oil cylinder or ball-screw-transmission machine Structure.
In other embodiments, driving mechanism is air bag between second line of a couplet fishplate bar 5 and seat 3, and with air bag gas circuit The air pump of connection.
In other embodiments, driving mechanism is the magnetic force mechanism between second line of a couplet fishplate bar 5 and seat 3, magnetic force mechanism It is electric including the lower coil being fixed on above second line of a couplet fishplate bar 5 and the coil being fixed below seat 3, and with coil, lower coil Property connection driving circuit；Coil generates magnetic field at the same level with lower coil, and then generates the repulsive force that seat 3 is raised above.
As Figure 2-3,1 left side of pedestal and/or right side are hinged with infusion support 11, and infusion support 11 is axial length tune Section formula rod-like structure, when user needs the defecation on the multifunctional wheelchair of the present invention or to carry out other daily in infusion process When cleaning, infusion support 11 is stretched to after desired height by receiving state for hanging transfusion bottle/bag.
In other embodiments, it is door-shaped frame structure that the connection of pedestal 1, which has supporting pole rack 7, supporting pole rack 7, includes and pedestal 1 Left rear side, right lateral side connection left side bar 71, right-hand rod, and the horizontal push rod 72 that couples with left side bar 71, right side rod rear end.Strut Frame 7 pushes wheelchair carry out activity for nurse or families of patients by wheelchair rear, when backrest 4 and seat 3 are in 180 degree and shape are unfolded When state, horizontal push rod 72 is connected in the horizontal card slot that the rear back side of backrest 4 is equipped with, and upward support force is provided to 4 part of backrest, Ensure safety of the patient under the use states that lie low such as hair washing bathing.
In other embodiments, the both sides of pedestal 1 are hinged with square handrail 8, and square handrail 8 is rotated by 90 ° forward When, it is receiving state.Under 8 vertical state of square handrail, it is use state, helps and lean on for user.Further, square 8 top of handrail is equipped with the socket for external desktop 9, when user need to take a shower in the enterprising traveling food of multifunctional wheelchair, reading Deng activity when, external desktop 9 is for placing required necessary article utensil.
In other embodiments, 1 front end of pedestal is equipped with foot pedal 10, is used to support foot, is more advantageous to old or prolonged illness The use of inconvenience person, defecation pressure of releiving are drained in bed etc..
The present invention also discloses following technical schemes：
A kind of link mechanism of effort-saving short stroke, can be used for the lifting of tables and chairs and other items, is especially suitable for space Small product structure.Concrete structure is：A kind of link mechanism of effort-saving short stroke includes upper gusset piece (in the implementation of Fig. 1-9 Be seat in example), second line of a couplet fishplate bar, and the support construction that is articulated between gusset piece and second line of a couplet fishplate bar；The support construction Including front support rod component, back support rod component；Further include the driving mechanism for driving support construction to rotate, the driving machine Structure generates linear motion, so that parallel four side that upper gusset piece, front support rod component, second line of a couplet fishplate bar are formed with back support rod component Shape mechanism is in unfolded state or receiving state；The front support rod component includes left front supporting rod and right anterior branch strut, institute The back support rod component stated includes left back supporting rod and right back support rod；The driving mechanism is electric telescopic rod；Electric expansion The fixing end of bar is hinged with second line of a couplet fishplate bar, and the movable end of electric telescopic rod is sheathed on push shaft outer ring, push shaft both ends by coupling head It is respectively provided with an idler wheel, is rolled in idler wheel roller groove set on left front supporting rod, right anterior branch strut, second line of a couplet fishplate bar is additionally provided with Transition supports shaft, transition to support shaft both ends hinged with second line of a couplet fishplate bar, and transition is supported and is equipped with and its axis at shaft two close end Perpendicular transition support arm, transition support arm top are equipped with upper roller bearing, and the both ends of push shaft are also respectively pivoted to transition support arm Stage casing.In uphill process, idler wheel outer surface is contacted with roller groove, when the movable end of electric telescopic rod stretches out, idler wheel is driven to exist It is rolled in roller groove, the parallelogram that upper gusset piece, front support rod component, second line of a couplet fishplate bar and back support rod component are formed It props up.When adjustable lifting device rises to predetermined altitude (being bordering on maximum opening state), idler wheel is detached from roller groove, does not generate Support force generates support force, at this time by being in contact at the upper roller bearing on transition support arm top and the both sides of the edge of roller groove The arm of force becomes larger, and the reaction force suffered by the first electric putter becomes smaller, so that adjustable lifting device can in opening state More stablize.Such support construction advantage is that initial stressed can be increased in adjustable lifting device uphill process, And shortening the stroke of electric putter, stress is small again in maximum rating for electric putter, ensures the structural stability of each component, increases and uses Service life.Upper roller bearing therein preferably uses step structure, the i.e. diameter at both ends to be less than intermediate part.
A kind of link mechanism of effort-saving short stroke of the present invention can be used for multifunctional wheelchair, the implementation of specific such as Fig. 1-9 Shown in example, it is also possible to be used in the structure of various chairs, such as school chair, automotive seat etc..
The invention also discloses a kind of linkage link mechanisms for seat；Seat includes pedestal, and is cut with scissors with pedestal both sides The bar connect, the hinged foot pedal with pan frontward end；It further include the straight line driving mechanism being set between pedestal and bar；Directly The fixing end of line driving mechanism and the holder of pedestal are fixedly connected, and movable end is hinged with joining beam under handrail, and joining beam passes through under handrail Handrail side yoke plate and the bar being fixedly connected are fixedly connected；It is contraction state, linear drives when bar is in horizontality The movable end of mechanism is in the state stretched out；In the operating condition, the movable end of straight line driving mechanism is shunk, to drive handrail Lower joining beam rotates, and while joining beam rotates under handrail, then the handrail side yoke plate by being fixedly connected drives bar to rotate up, Bar is propped up supports elbow for user.
Further technical solution is：It is arranged with pedal joining beam in the middle part of joining beam under handrail, pedal joining beam one end, which is articulated with, to be helped Subordinate joining beam, the other end are articulated in the middle part of the lower section of front pedal；In the operating condition, the movable end of straight line driving mechanism is shunk, To drive joining beam under handrail to rotate, while joining beam rotates under handrail, the rotation of pedal joining beam is driven, so that coupled Front pedal is rotated forward by rear, leg of releiving when being sat for user.
A kind of linkage link mechanism for seat of the invention can be used for multifunctional wheelchair, the implementation of specific such as Fig. 1-9 Shown in example, it is also possible to be used in the structure of various chairs, such as rumble seat, automotive seat etc..
In conclusion a kind of multifunctional wheelchair of the present invention, because of the structure coordinated using pedestal and adjustable lifting device Form, height, the angle of wheelchair main body are adjustable, have more wide applicability, are suitable for the lathe bed of various height, and Satisfaction lies low, sitting, movement, receives a variety of use demands such as folded；Because using sliding dismountable structure, Convenient wheelchair main body and pedestal Be used separately, weight is lighter, reduces the muscle power expenditure of nurse and families of patients, and in mobile working state using less In the case of, multiple wheelchair main bodys can a public pedestal, reduce expense expenditure；Because adjustable lifting device further includes that center is equipped with The seat of defecation through-hole, the front apron for being used to support lower leg portion, the neckpillow that the preceding handrail and supporting head part that lean on are helped for user, There is higher safety while increasing comfort level；Because a variety of power-driven mechanisms may be used, manufacturer can be according to not Same cost and production emphasis is flexibly selected；Pedestal is additionally provided with for pushing the supporting pole rack of wheelchair, being used to support user's elbow The handrail in portion, the external desktop for placing article and the foot pedal for being used to support foot, it is full-featured, it is durable.
It is above-mentioned only with embodiment come the technology contents further illustrated the present invention, in order to understand, but do not represent the present invention Embodiment be only limitted to this, it is any to extend according to the technology done of the present invention or recreation, protected by the present invention.This hair Bright protection domain is subject to claims.

Claims (10)

1. a kind of multifunctional wheelchair includes the pedestal with wheel, it is characterised in that：Further include being connected in above the pedestal Adjustable lifting device；The adjustable lifting device includes seat and the hinged backrest in seat rear end, is coupled with pedestal Second line of a couplet fishplate bar, and the support construction that is articulated between seat and second line of a couplet fishplate bar；The support construction include front support rod component, Back support rod component；Adjustable lifting device further includes for driving support construction to rotate and/or for driving seat to lift Driving mechanism, the driving mechanism generate rotary motion or linear motion so that seat, front support rod component, second line of a couplet fishplate bar and The parallelogram mechanism that back support rod component is formed is in unfolded state or receiving state.
2. multifunctional wheelchair according to claim 1, which is characterized in that the upper backup pad of the pedestal is equipped with sliding slot, institute The lower section for stating second line of a couplet fishplate bar is equipped with the pulley being in sliding fit with the sliding chute, to constitute the sliding between adjustable lifting device and pedestal Removable connection；
Alternatively, the second line of a couplet fishplate bar is the upper backup pad of the pedestal, to be integrally formed formula structure；
Or the upper backup pad that the second line of a couplet fishplate bar is equipped with the pedestal is fixedly connected.
3. multifunctional wheelchair according to claim 1, which is characterized in that the adjustable lifting device further includes：
The hinged front apron with the front end of the seat；
Preceding handrail of the hinge set on the front center of the seat；
Neckpillow set on the backrest outer end；
The front support rod component includes left front supporting rod and right anterior branch strut, and the back support rod component includes left back branch Strut and right back support rod.
4. multifunctional wheelchair according to claim 1, which is characterized in that the center of the seat is equipped with defecation through-hole；
The elastic frame-type holder being located at below defecation through-hole is equipped with below the seat, with resilient support waste receptacle.
5. according to claim 1-4 any one of them multifunctional wheelchairs, which is characterized in that
The driving mechanism is the motor with deceleration mechanism；The deceleration mechanism be equipped with output shaft and with front support rod component Or back support rod component any one rotating shaft transmission connection；
Alternatively,
The driving mechanism is to generate the hand assistor lever of rotary power, and the front support rod component or back support rod component are appointed The shaft outer end of one is equipped with torsion connection part, the hand assistor lever and torsion connection part driving coupling；
Or
The driving mechanism is straight between any one set on second line of a couplet fishplate bar and seat, front support rod component, back support rod component Line actuating unit, the straight line actuating unit are electric putter, cylinder, oil cylinder or ball-screw transmission mechanism；
Or
The driving mechanism is the air bag between second line of a couplet fishplate bar and seat, and the air pump coupled with air bag gas circuit；
Or
The driving mechanism is the magnetic force mechanism between second line of a couplet fishplate bar and seat, and the magnetic force mechanism includes under being fixed on Lower coil above gusset piece and the coil being fixed below seat, and the driving electricity that electrically couples with coil, lower coil Road；The coil generates magnetic field at the same level with lower coil, and then generates the repulsive force that seat is raised above.
6. according to claim 1-4 any one of them multifunctional wheelchairs, which is characterized in that the chassis left side and/or the right side Side is hinged with infusion support, and the infusion support is axial length adjustable type rod-like structure.
7. according to claim 1-4 any one of them multifunctional wheelchairs, which is characterized in that the pedestal connection has strut Frame, the supporting pole rack are door-shaped frame structure, include left side bar, the right-hand rod coupled with the left rear side of pedestal, right lateral side, and The horizontal push rod coupled with left side bar, right side rod rear end；When the backrest is in 180 degree unfolded state with seat, the horizontal push rod It is connected in the horizontal card slot that the rear back side of backrest is equipped with.
8. according to claim 1-4 any one of them multifunctional wheelchairs, which is characterized in that the both sides of the pedestal are hinged with directly Angular handrail is receiving state when the square handrail is rotated by 90 ° forward.
9. multifunctional wheelchair according to claim 8, which is characterized in that be equipped with and be used at the top of the adjustable armrest The socket of external desktop.
10. multifunctional wheelchair according to claim 1, which is characterized in that the pan frontward end is equipped with foot pedal.
CN201810331080.7A 2018-04-13 2018-04-13 Multifunctional wheelchair Active CN108498245B (en)

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CN201810331080.7A CN108498245B (en) 2018-04-13 2018-04-13 Multifunctional wheelchair
JP2021504553A JP7386467B2 (en) 2018-04-13 2018-05-02 multifunctional wheelchair
PCT/CN2018/085247 WO2019196146A1 (en) 2018-04-13 2018-05-02 Multifunctional wheelchair
SG11202010074YA SG11202010074YA (en) 2018-04-13 2018-05-02 Multifunctional wheelchair
EP18914174.0A EP3777807B1 (en) 2018-04-13 2018-05-02 Multifunctional wheelchair
KR1020207032530A KR102490831B1 (en) 2018-04-13 2018-05-02 multifunctional wheelchair
AU2018418625A AU2018418625B2 (en) 2018-04-13 2018-05-02 Multifunctional wheelchair
RU2020134892A RU2767548C1 (en) 2018-04-13 2018-05-02 Multifunctional wheelchair

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