CN113197737A - Multifunctional wheelchair - Google Patents

Multifunctional wheelchair Download PDF

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Publication number
CN113197737A
CN113197737A CN202110480684.XA CN202110480684A CN113197737A CN 113197737 A CN113197737 A CN 113197737A CN 202110480684 A CN202110480684 A CN 202110480684A CN 113197737 A CN113197737 A CN 113197737A
Authority
CN
China
Prior art keywords
plate
cross arm
seat
leg
handle
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.)
Pending
Application number
CN202110480684.XA
Other languages
Chinese (zh)
Inventor
王北兴
张月锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xi'an Wanjiade Industrial Co ltd
Original Assignee
Xi'an Wanjiade Industrial Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xi'an Wanjiade Industrial Co ltd filed Critical Xi'an Wanjiade Industrial Co ltd
Priority to CN202110480684.XA priority Critical patent/CN113197737A/en
Publication of CN113197737A publication Critical patent/CN113197737A/en
Pending legal-status Critical Current

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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
    • A61G5/10—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
    • A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • A61G5/041—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven having a specific drive-type
    • A61G5/042—Front wheel drive
    • 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
    • A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • A61G5/041—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven having a specific drive-type
    • A61G5/045—Rear wheel drive
    • 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
    • A61G5/1056—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
    • A61G5/12—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
    • 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
    • A61G5/128—Rests specially adapted therefor, e.g. for the head or the feet for feet
    • 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
    • A61G5/14—Standing-up or sitting-down aids
    • 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
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1025—Lateral movement of patients, e.g. horizontal transfer
    • 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
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/104—Devices carried or supported by
    • A61G7/1046—Mobile bases, e.g. having wheels
    • A61G7/1048—Mobile bases, e.g. having wheels having auxiliary drive means

Abstract

The invention discloses a multifunctional wheelchair, which comprises a sitting plate capable of going to the toilet, wherein power boxes are respectively arranged on two opposite sides of the sitting plate, the upper ends of the two power boxes are respectively provided with a liftable handrail, the bottoms of the two power boxes are respectively provided with a roller, one end of the sitting plate is connected with a back plate through a spline transmission rod, the other end of the sitting plate is connected with a leg supporting plate, and the leg supporting plate is connected with a pedal; the two opposite ends in each power box are respectively provided with a leg body in an inclined way, the leg bodies are connected with a telescopic driving mechanism, and the lower ends of the leg bodies extend out of the interior of the power box body; support shafts are respectively arranged on two opposite sides of the seat plate, the two support shafts are respectively connected with a group of driving components, the two groups of driving components are respectively arranged on two power boxes, and the two power boxes are connected with the seat plate to form an n-shaped structure; the back plate is provided with a width-adjustable support handle. The invention not only can meet the use requirements of daily use activities of users, but also can realize the lying, standing and walking training of people by means of the wheelchair.

Description

Multifunctional wheelchair
Technical Field
The invention belongs to the technical field of medical instruments, and relates to a multifunctional wheelchair.
Background
With the acceleration of aging, some old people who move inconveniently need to help walking with the help of the wheelchair, the wheelchair that is on sale at present can only satisfy the daily activity needs of the people who move inconveniently, when people need to stand and lie, need just can stand and lie under the help of external accompanying personnel, it is very time-consuming and energy-consuming, consequently, need design a multi-functional wheelchair, can be on the basis of satisfying the wheelchair basic function, can also carry out daily walking, the training of standing, and be convenient for make a round trip to shift the disease between wheelchair and bed.
Disclosure of Invention
The invention aims to provide a multifunctional wheelchair which not only can meet the use requirements of daily use activities of users, but also can realize lying, standing and walking training of people by means of the wheelchair and simultaneously can help people sit on the wheelchair to go to the toilet directly.
The invention adopts the technical scheme that the multifunctional wheelchair comprises a sitting plate capable of going to the toilet, wherein power boxes are respectively arranged on two opposite sides of the sitting plate, the upper ends of the two power boxes are respectively provided with a liftable handrail, the bottoms of the two power boxes are respectively provided with a roller wheel, one end of the sitting plate is connected with a back plate through a spline transmission rod, the other end of the sitting plate is connected with the upper end of a leg supporting plate, and the lower end of the leg supporting plate is connected with a pedal;
the two opposite ends in each power box are respectively provided with a leg body in an inclined way, the leg bodies are connected with a telescopic driving mechanism, and the lower ends of the leg bodies extend out of the interior of the power box body;
support shafts are respectively arranged on two opposite sides of the seat plate, the two support shafts are respectively connected with a group of driving components, the two groups of driving components are respectively arranged on two power boxes, and the two power boxes are connected with the seat plate to form an n-shaped structure;
the back plate is provided with an armpit support.
The invention is also characterized in that:
the seat plate comprises a seat plate body, wherein a toilet hole is formed in the seat plate body, a toilet hole cover plate which is adaptive to the shape of the toilet hole is arranged in the toilet hole, the toilet hole cover plate is rotatably connected with the seat plate body, and the toilet hole cover plate is turned downwards and upwards to respectively open and close the toilet hole; the seat body is provided with a cover plate rotating shaft, and the toilet hole cover plate is connected with the cover plate rotating shaft.
The toilet cover plate is connected with the cover plate rotating shaft through the swing arm, one end of the swing arm is fixedly connected with the cover plate rotating shaft, the other end of the swing arm is fixed at the tail end of the lower surface of the toilet cover plate, a swing arm rotating groove is formed in the corresponding position of the swing arm on the seat body, the edge of the seat body, which is close to the tail end of the toilet cover plate, of the swing arm rotating groove is formed in the position of the cover plate rotating shaft, and the toilet cover plate rotates in the groove through the swing arm in the overturning process from one limit position to the other limit position.
The telescopic driving mechanism comprises a double-output-shaft motor A, two output shaft end parts of the double-output-shaft motor A are respectively provided with an angle gear A, the two angle gears A are respectively meshed with one gear ring of the two double-gear-ring gears, the other gear ring of the two double-gear-ring gears is respectively correspondingly meshed with two racks, and the two racks are respectively and correspondingly arranged on the two leg bodies.
The back plate comprises a back plate body, and armpit supports are arranged on the back plate body;
the armpit support comprises support handles which are arranged on two opposite sides of the back plate body respectively, a double-output motor III is further arranged in the back plate body, two output ends of the double-output motor III are connected with a positive screw rod and a negative screw rod respectively, a positive screw nut of the positive screw rod is connected with one end of one support handle, and a negative screw nut of the negative screw rod is connected with one end of the other support handle.
A bracket cross arm is arranged in the back plate body, the bracket cross arm is a hollow structure shell, and the double-output motor III, the positive screw rod and the negative screw rod are all arranged in the bracket cross arm;
a cross arm slide block is fixed on the surface of the cross arm of the bracket, a cross arm guide rail and a cross arm lead screw motor are fixed in the back plate body, the cross arm slide block is nested on the cross arm guide rail, the cross arm lead screw motor is connected with a cross arm lead screw in a driving way, a cross arm nut of the cross arm lead screw is fixedly connected with the cross arm of the bracket, and the cross arm lead screw and the cross arm guide rail are both arranged along the length direction of the back plate body;
the cross arm guide rails are provided with two, the two cross arm guide rails are close to the two support handles respectively, and the number of the cross arm slide blocks corresponds to that of the cross arm guide rails.
A support handle sliding block is fixedly connected between the positive screw nut and one support handle, and a support handle sliding block is also fixedly connected between the negative screw nut and the other support handle;
a handle supporting shaft seat is arranged at the connecting end of the handle supporting sliding block and the handle, a handle supporting electric turbine pair is arranged in the handle support, an output shaft of the handle supporting electric turbine pair is fixedly connected with the handle support, an output shaft of the handle supporting electric turbine pair is arranged on the handle supporting shaft seat, and the handle supporting electric turbine pair drives the handle support to rotate around the handle supporting shaft seat.
The handrail includes the handrail body, and the relative both ends of handrail body lower surface are equipped with hollow pole setting respectively, and the pole setting is perpendicular just along vertical direction setting with the handrail body, and the pole setting is connected with pole setting actuating mechanism, and pole setting actuating mechanism drive pole setting goes up and down in vertical direction, and pole setting actuating mechanism sets up in the headstock, and the pole setting bottom stretches into in the headstock.
The vertical rod driving mechanism comprises a handrail lifting screw rod, a screw nut A is coaxially sleeved on the handrail lifting screw rod and coaxially arranged on the inner wall of the vertical rod, and the handrail lifting screw rod is connected with an electric gear box.
The vertical rod driving mechanism comprises a double-output motor II arranged between two vertical rods, two output ends of the double-output motor II are respectively connected with one end of a power rod, the other end of the power rod is provided with a handrail bevel gear, racks are arranged on the opposite sides of the two vertical rods, a steering transmission gear is arranged between the handrail bevel gear and the racks and provided with two rings of gear rings, the two rings of gear rings are concentrically arranged, one of the gear rings is meshed with the handrail bevel gear, and the other gear ring is meshed with the racks.
The multifunctional wheelchair provided by the invention has the beneficial effects that the multifunctional wheelchair comprises a seat plate, the seat plate is connected with a back plate through a spline transmission rod, the two opposite sides of the seat plate are respectively provided with a power box, the two power boxes are respectively provided with a liftable handrail, one side of the seat plate, which is far away from the back plate, is provided with a leg support plate, the multifunctional wheelchair can realize toilet access by lifting a leg body and the handrails, rotating the seat plate and rotating the back plate and the leg support plate relative to the seat plate, the back plate is provided with a width-adjustable and foldable support handle, and the seat plate is provided with a toilet access hole and a toilet access hole cover plate, so that a person can sit on the wheelchair to realize toilet access and can carry out standing and walking training; in addition, the wheelchair provided by the invention can realize the transfer between the wheelchair and the bed, thereby reducing the labor intensity of accompanying personnel and saving time and labor.
Drawings
FIG. 1 is a schematic view of a multi-function wheelchair in accordance with the present invention;
FIG. 2 is an exploded view of a multi-function wheelchair of the present invention;
FIG. 3 is a schematic structural view of a seat plate of the multifunctional wheelchair of the present invention;
FIG. 4 is a schematic view of the multifunctional wheelchair with the toilet cover opened;
FIG. 5 is a schematic view of the structure of the power box 1 of the multifunctional wheelchair of the present invention;
FIG. 6 is a schematic structural view of an embodiment 2 of a power box in the multifunctional wheelchair of the invention;
FIG. 7 is a schematic structural view of an embodiment 3 of a power box in the multifunctional wheelchair of the invention;
FIG. 8 is a schematic view of the structure of the dual-ring gear, the angle gear A and the rack of the power box in the multifunctional wheelchair of the invention in the embodiment 3;
FIG. 9 is a partial schematic structural view of a steering transmission gear in embodiment 3 of a power box of the multi-function wheelchair of the present invention;
FIG. 10 is a schematic view of the multi-functional wheelchair with the stem extended relative to the back plate;
FIG. 11 is a schematic view of the connection between the support handle and the back plate of the multifunctional wheelchair of the present invention;
FIG. 12 is an exploded view of a partial structure of a cross arm and a supporting handle of a multifunctional wheelchair according to the present invention;
FIG. 13 is a schematic view of the connection between the leg support plate and the foot rest of the wheelchair of the present invention.
In the figure, 3, 1, 3, 2, 3, 4, 3, 5, 3, 6, 3, 8, 3, 8, cover plate electric turbine pair;
5. the handrail comprises, by weight, 5-1 parts of a handrail body, 5-2 parts of an upright rod, 5-3 parts of a handrail lifting screw rod, 5-4 parts of an electric gear box, 5-5 parts of a synchronous pulley, 5-6 parts of a synchronous belt, 5-7 parts of a handrail electric push rod, 5-8 parts of a double-output motor II, 5-9 parts of a power rod, 5-10 parts of a handrail bevel gear, 5-11 parts of a handrail rack and 5-12 parts of a steering transmission gear;
7. the novel electric bicycle comprises a back plate, 7-1 parts of a back plate body, 7-2 parts of a supporting handle, 7-3 parts of a double-output motor III, 7-4 parts of a positive screw rod, 7-5 parts of a negative screw rod, 7-6 parts of a positive screw nut, 7-7 parts of a negative screw nut, 7-8 parts of a bracket cross arm, 7-9 parts of a cross arm sliding block, 7-10 parts of a cross arm guide rail, 7-11 parts of a cross arm screw rod motor, 7-12 parts of a cross arm screw rod, 7-13 parts of a cross arm screw nut, 7-14 parts of a supporting handle sliding block, 7-15 parts of a supporting handle shaft seat and 7-16 parts of a supporting handle electric turbine pair;
9. the power box comprises a power box body, 9-1 parts of a box body, 9-2 parts of leg body guide grooves, 9-3 parts of leg bodies, 9-4 parts of a screw nut, 9-5 parts of a screw, 9-6 parts of an electric gear box, 9-7 parts of a gear box mounting groove, 9-8 parts of a roller, 9-9 parts of a leg body driving mechanism, 9-10 parts of a driving mechanism mounting groove, 9-11 parts of a double-output shaft motor A, 9-12 parts of a horn gear A, 9-13 parts of a double-gear-ring gear, 9-14 parts of a rack and 9-15 parts of an opening;
10. a back plate ear plate 11, a leg support plate;
12. the pedal comprises a pedal plate, 12-1 parts of hinge holes, 12-2 parts of step sleeves, 12-3 parts of pedal motors, 12-4 parts of shaft sleeves and 12-5 parts of rotating sleeves;
13-1, a fulcrum shaft, 13-2, a turbine, 13-3, an electric worm, 13-4, a crank and 13-5, a driving mechanism;
14. the device comprises a roller, 15, turbine worm speed reducers I and 16, a back plate groove, 17, a spline transmission rod, 18, a leg plate groove, 19, a leg plate lug plate, 20, turbine worm speed reducers II and 21, a leg plate spline transmission rod, 22, an electronic control system and 23, a storage battery.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention relates to a multifunctional wheelchair, which comprises the following structures in several embodiments;
example 1
A multifunctional wheelchair comprises a seat plate 3, the seat plate 3 comprises a seat plate body 3-1, a toilet hole 3-2 is formed in the seat plate body 3-1, a toilet hole cover plate 3-3 adaptive to the shape of the toilet hole 3-2 is arranged in the toilet hole 3-2, the toilet hole cover plate 3-3 is rotatably connected with the seat plate body 3-1, and the toilet hole cover plate 3-3 is turned downwards and upwards to respectively open and close the toilet hole 3-2.
Two opposite sides of the seat plate body 3-1 are respectively provided with a fulcrum shaft 13-1, and the fulcrum shafts 13-1 are positioned at a position one third of the width of the seat plate 3; the two opposite sides of the seat plate 3 are respectively provided with a power box 9, and the two power boxes 9 are connected with the seat plate 3 to form an n-shaped structure; two supporting shafts 13-1 are respectively and coaxially sleeved with a turbine 13-2, and the two turbines 13-2 are respectively matched with an electric worm 13-3 to form a turbine pair; the two turbine pairs are respectively arranged on the two power boxes 9, and in order to limit the overturning angle of the seat plate 3, the turbine 13-2 is not provided with full teeth, so that when the electric worm 13-3 is matched with the turbine 13-2, a part of area of the turbine 13-2 is not matched, namely the turbine 13-2 cannot drive the seat plate 3 to overturn for 360 degrees.
One end of the seat plate body 3-1 is connected with a back plate 7, two opposite sides of the bottom of the back plate 7 are respectively provided with a back plate ear plate 10, and the bottom of the seat plate body 3 is provided with a spline transmission rod 17 along the horizontal direction; the spline transmission rod 17 penetrates through a turbine center hole of the turbine worm speed reducer I15, and two ends of the spline transmission rod 17 are respectively connected with the two back plate ear plates 10; in order to make the whole wheelchair compact in structure, back plate grooves 16 are respectively arranged on two opposite sides of one end, close to the back plate 7, of the seat plate body 3, and the two back plate ear plates 10 are just embedded in the two back plate grooves 16, so that the back plate 7 and the seat plate body 3 can be compactly matched; a leg supporting plate 11 is connected to the lower side of one end of the seat plate body 3 far away from the back plate 7 body;
the spline transmission rod 17 is coaxially sleeved with a cover plate rotating shaft 3-4, the cover plate rotating shaft 3-4 and the spline transmission rod 17 do not interact with each other, the hole cover plate 3-3 and the cover plate rotating shaft 3-4 are connected through two swing arms 3-5, one end of each swing arm 3-5 is fixedly connected with the cover plate rotating shaft 3-4, the other end of each swing arm 3-5 is fixed at the tail end of the lower surface of the hole cover plate 3-3, the seat plate body 3-1 is provided with two swing arm rotating grooves 3-6 corresponding to the swing arms 3-5, the two swing arm rotating grooves 3-6 are in one-to-one correspondence with the swing arms 3-5, the edge of the seat plate body 3-1 close to the tail end of the hole cover plate 3-3 is provided to the cover plate rotating shaft 3-4, and the hole cover plate 3-3 is turned from one limit position to the other limit position, the swing arm 3-5 passes through the swing arm rotating groove 3-6, and the swing arm rotating groove 3-6 is used for ensuring that the swing arm 3-5 has enough rotating space in the rotating process.
The surface of the cover plate rotating shaft 3-4 is provided with splines, the cover plate rotating shaft 3-4 is connected with a cover plate motor or a cover plate electric turbine pair 3-8 fixed in the seat plate body 3-1, the cover plate electric turbine pair 3-8 is a hole output type cover plate electric turbine pair, and the cover plate motor or the cover plate electric turbine pair 3-8 is connected with a storage battery 23. The maximum turning angle of the manhole cover plate 3-3 is 270 degrees. The seat body 3-1 is used for bearing the weight of a human body and is equivalent to a seat plate of a common seat structure. The toilet hole 3-2 is matched with the toilet hole cover plate 3-3, when the toilet hole 3-2 is closed, the toilet hole cover plate 3-3 is embedded in the toilet hole 3-2 to keep the seat plate body 3-1 flat, and when the toilet hole 3-2 is opened, the toilet hole cover plate 3-3 is turned downwards and backwards to vacate the space below the seat plate body 3-1. The swing arm 3-5 is used for connecting the cover plate rotating shaft 3-4 and the toilet cover plate 3-3 to drive the toilet cover plate 3-3 to rotate, the swing arm can also play a limiting role in limiting the rotation of the toilet cover plate 3-3, and when the swing arm 3-5 drives the toilet cover plate 3-3 to close due to the blocking of the seat plate body 3-1, the toilet cover plate 3-3 can only reach the position which is flush with the seat plate body 3-1 and can not protrude from the upper surface of the seat plate body 3-1, so that the seat plate body 3-1 is smooth when the toilet cover plate 3-3 is completely closed.
The swing arm rotating groove 3-6 increases the turnover angle of the toilet cover plate 3-3, so that the toilet cover plate 3-3 can be continuously turned upwards when being positioned behind the seat plate body 3-1 without being influenced by the seat plate body 3-1, and the space behind the seat plate body 3-1 is saved. The cover plate rotating shaft 3-4 is driven to rotate by a cover plate motor or a cover plate electric turbine pair 3-8, so that the hole cover plate is turned over.
The upper ends of the two power boxes 9 are respectively provided with a handrail 5, the bottoms of the two power boxes 9 are respectively provided with a roller 14, and the two rollers 14 are positioned on the same power box 9, wherein one roller 14 is an electric driving wheel (a circle of rubber is wrapped outside one electric motor to form the electric driving wheel); the other roller 14 is a guide wheel; the two rollers 14 located at the front sides of the two power boxes 9 may be electric driving wheels, or the two rollers 14 located at the rear sides of the two power boxes 9 may be electric driving wheels.
The power box 9 comprises a box body 9-1 with a cavity, the two opposite ends of the inner cavity of the box body 9-1 are respectively provided with a leg body guide groove 9-2, the two leg bodies 9-3 are respectively arranged in the two leg body guide grooves 9-2, one side of the box body 9-1 is provided with a cover plate, the cover plate and the box body 9-1 are assembled together, and the two leg bodies 9-3 are respectively embedded in the two leg body guide grooves 9-2, so that the leg bodies 9-3 can move up and down along the leg body guide grooves 9-2; the lower ends of the two leg bodies 9-3 extend out of the box body 9-1 from the lower ends of the two leg body guide grooves 9-2 respectively; the leg body 9-3 is of a hollow structure, the inner wall of the leg body 9-3 is connected with a lead screw nut 9-4, a lead screw 9-5 is coaxially sleeved on the lead screw nut 9-4, the lower end of the lead screw 9-5 penetrates through the lead screw nut 9-4, the upper end of the lead screw 9-5 is connected with an electric gear box 9-6, and the inner side of each box body 9-1 is also provided with a gear box installation groove 9-7; the electric gear box 9-6 is fixedly arranged in the gear box mounting groove 9-7; the bottoms of the two leg bodies 9-3 in each box body 9-1 are respectively connected with a roller 14.
One leg body 9-3 of the two leg bodies 9-3 is a front leg body of the chair, and the front leg body is arranged along the direction which forms an angle of 0-15 degrees with the vertical direction; the other leg body 9-3 is a rear leg body of the chair, and the rear leg body is arranged along the direction of 0-30 degrees from the vertical direction.
The handrail 5 comprises a handrail body 5-1, the lower surface of the handrail body 5-1 is fixedly connected with two hollow upright posts 5-2, the upright posts 5-2 are vertical to the handrail body 5-1 and are arranged along the vertical direction, the inner walls of the two upright posts 5-2 are respectively and coaxially provided with a screw nut, the two screw nuts are respectively and coaxially sleeved on two handrail lifting screw rods 5-3, the input end of the handrail lifting screw rod 5-3 is provided with a synchronous pulley 5-5, the two synchronous pulleys 5-5 are connected through a synchronous belt 5-6 to synchronously rotate, the input end of one handrail lifting screw rod 5-3 is connected with an electric gear box 5-4, the handrail lifting screw rod 5-3, the synchronous pulley 5-5, the synchronous belt 5-6 and the electric gear box 5-4 are all arranged in a power box 9, the corresponding positions of all parts in the power box 9 are provided with placing grooves matched with the shapes of the parts, and the bottom ends of the upright posts 5-2 extend into the power box 9.
The power box 9 is also provided with an electronic control system 22 and a storage battery 23, wherein the electronic control system 22 is used for controlling the action of the whole wheelchair, and the storage battery 23 is used for supplying power to electric equipment in the whole wheelchair.
The two opposite sides of the upper end of the leg supporting plate 11 are respectively provided with a leg plate lug plate 19, the two opposite sides of one end of the seat plate 3 close to the leg supporting plate 11 are respectively provided with a leg plate groove 18, the two leg plate lug plates 19 are respectively embedded in the two leg plate grooves 18, the other end of the bottom of the seat plate 3 is provided with a leg plate spline transmission rod 21 along the horizontal direction, the leg plate spline transmission rod 21 passes through a turbine center hole of a turbine worm speed reducer II20, the two ends of the leg plate spline transmission rod 21 are respectively connected with the two push plate lug plates 19, the lower end of the leg supporting plate 11 is connected with a pedal 12, and the pedal 12 is of an integrated structure, so that a person can step on the pedal stably;
as shown in fig. 13, the opposite sides of the lower end of the leg support plate 11 are respectively provided with a hinge hole 12-1, a step sleeve 12-2 is respectively arranged in the hinge hole 12-1, a pedal motor 12-3 is arranged in the step sleeve 12-2, a main shaft of the pedal motor 12-3 is arranged in a shaft sleeve 12-4, and the pedal motor 12-3, the step sleeve 12-2 and the shaft sleeve 12-4 form a group of power shaft pin combination; namely, each hinge hole 12-1 is respectively provided with a group of power shaft pin combinations. One end of the pedal 12 close to the leg supporting plate 11 is provided with a rotating sleeve 12-5, and shaft sleeves 12-4 in the two groups of power shaft pin combinations are fixedly sleeved at two ends of the rotating sleeve 12-5 respectively, so that the electric folding and unfolding of the pedal 12 are realized; when the pedal 12 is in an open state and bears the force, the lower edges of the pedal 12 and the leg support plate 11 form a mechanical dead point to ensure the force bearing requirement.
As shown in fig. 10 to 12, the backboard 7 comprises a backboard body 7-1, long-handle-shaped support handles 7-2 are arranged on both sides of the backboard body 7-1, a dual-output motor III7-3 is further arranged in the backboard body 7-1, two output ends of the dual-output motor III7-3 are respectively connected with a positive screw rod 7-4 and a reverse screw rod 7-5, a positive screw nut 7-6 of the positive screw rod 7-4 is connected with one end of one support handle 7-2, a reverse screw nut 7-7 of the reverse screw rod 7-5 is connected with one end of the other support handle 7-2, a support handle slider 7-14 is fixedly connected between the positive screw nut 7-6 and the one support handle 7-2, a support handle slider 7-14 is also fixedly connected between the reverse screw nut 7-7 and the other support handle 7-2, a support handle axle seat 7-15 is arranged at the connection end of the support handle slider 7-14 and the support handle 7-2, a handle-supporting electric turbine pair 7-16 is arranged in the handle support 7-2, an output shaft of the handle-supporting electric turbine pair 7-16 is fixedly connected with the handle support 7-2, an output shaft of the handle-supporting electric turbine pair 7-16 is arranged on a handle support shaft seat 7-15, and the handle-supporting electric turbine pair 7-16 drives the handle support 7-2 to rotate around the handle support shaft seat 7-15. The lower end of the back plate body 7-1 is connected with the seat plate body 3-1 through a spline transmission rod 17.
The back plate body 7-1 is internally provided with a bracket cross arm 7-8, the bracket cross arm 7-8 is a hollow structure shell, a double-output motor III7-3, a positive wire lead screw 7-4, a negative wire lead screw 7-5 and a slide block are all arranged in the bracket cross arm 7-8, the double-output motor III7-3 is positioned in the middle of the bracket cross arm 7-8, two support handles 7-2 are symmetrically arranged, and the two support handles 7-2 are perpendicular to the bracket cross arm 7-8.
The surface of a bracket cross arm 7-8 is fixed with a cross arm slide block 7-9, two cross arm guide rails 7-10 and a cross arm screw rod motor 7-11 are fixed in a back plate body 7-1, the two cross arm guide rails 7-10 are respectively close to two support handles 7-2, the cross arm slide block 7-9 is embedded on the cross arm guide rails 7-10, the number of the cross arm slide blocks 7-9 corresponds to that of the cross arm guide rails 7-10, the cross arm screw rod motor 7-11 is connected with a cross arm screw rod 7-12 in a driving mode, a cross arm screw nut 7-13 of the cross arm screw rod 7-12 is fixedly connected with the bracket cross arm 7-8, and the cross arm screw rod 7-12 and the cross arm guide rails 7-10 are arranged along the length direction of the back plate body 7-1.
The back plate body 7-1 is used for leaning on the back and is equivalent to a back plate of a common seat structure. The support handle 7-2 is used for supporting the armpit of the user, providing a lifting force for the user and limiting the inclination of the user to two sides to prevent the user from falling. The double-output motor III7-3 is used for driving the positive lead screw 7-4 and the negative lead screw 7-5 simultaneously, and the driving structure is simplified. The positive screw rod 7-4 and the negative screw rod 7-5 are used for transmission, and the distance between the two support handles 7-2 is adjusted. The support handle sliding blocks 7-14 enable the positive screw nuts 7-6 and the negative screw nuts 7-7 to be connected with the support handle 7-2 more stably, the support handle 7-2 moves more stably, and meanwhile, a support handle shaft seat is convenient to install. The handle-supporting electric turbine pair 7-16 is used for driving the handle-supporting 7-2 to rotate, and the rotation angle of the handle-supporting is generally 90 degrees.
Through the embodiment 1, when a person takes the multifunctional wheelchair, the worm gear speed reducer I15 drives the spline transmission rod 17 to rotate, the rotation of the spline transmission rod 17 drives the backboard 7 to rotate, and the angle adjustment between the backboard 7 and the seat plate 3 is realized; due to the matching of the worm gear speed reducer I15 and the spline transmission rod 17, the adjustment of different inclination angles between the back plate 7 and the seat plate 3 is realized; after the switch that starts turbine worm speed reducer I15, can oneself feel the comfort level of the slope of backplate 7 angle through the people who sits on the wheelchair, when backplate 7 rotated suitable angle, turbine worm speed reducer I15 stop work makes backplate 7 maintain the angle state of current regulation, adopt the wheelchair structure that this embodiment 1 provided, when people want to carry out the short rest on the wheelchair, can adjust suitable angle with backplate 7, improve the comfort level of people when having a rest on the wheelchair.
The overturning principle of the seat plate 3 is that when the seat plate 3 overturns relative to the power boxes 9, the electric worm 13-3 is started, the turbine pair formed by the cooperation of the electric worm 13-3 and the turbine 13-2 is brought to the fulcrum shaft 13-1 to rotate, the seat plate 3 overturns along with the fulcrum shaft 13-1, as the fulcrum shaft 13-1 is arranged at one third of one end of the seat plate 3, when a person stands up and stands, the space left after the seat plate 3 overturns can be enough for the person to stand, when the overturnable seat plate is arranged on a common seat or a wheelchair, two hands of the user hold the armrest of the chair, after the seat plate 3 overturns, the person can stand between the two power boxes 9 by leaning on the own power, the person can carry out standing training without leaving the chair, and the periphery of the person is surrounded by other structures of the chair, the sense of safety is also improved.
The use principle of the back plate 7 and the support handle 7-2 is that before a user uses the back plate, the double-output motor III7-3 is started, the double-output motor III7-3 drives the positive screw rod 7-4 and the negative screw rod 7-5 to rotate, the positive screw nut 7-6 drives the support handle slider 7-14 and the support handle 7-2 to move, the distance between the two support handles 7-2 reaches the maximum value, the cross arm screw rod motor 7-11 is started, and the cross arm screw rod motor 7-11 is in driving connection with the cross arm screw rod 7-12, so that the cross arm slider 7-9 moves to the lowest position along the cross arm guide rail 7-10, namely the support handle 7-2 moves to the lowest position, at the moment, the user can sit on a seat or a wheelchair, and the distance between the two support handles and the height of the support handle can be readjusted according to the personal condition of the user.
For a fixed user, the position of the support handle 7-2 can be memorized through a control system, and adjustment is not needed at each time subsequently, specifically, the double-output motor 7-3 is adjusted, the double-output motor 7-3 drives the positive screw rod 7-4 and the negative screw rod 7-5 to rotate, the positive screw nut 7-6 drives the support handle slide block 7-14 and the support handle 7-2 to move, and the negative screw nut 7-7 drives the support handle slide block 7-14 and the support handle 7-2 to move, so that a proper distance between the two support handles 7-2 is achieved; and adjusting a cross arm screw rod motor 7-11 to drive a cross arm screw rod 7-12, so that a cross arm slide block 7-9 slides up and down to a proper height along a cross arm guide rail 7-10. Thus, the width and height of the holder 7-2 are in a proper position, and the control system can memorize the position so as to be conveniently, quickly and rapidly used in the future.
The lifting principle of the handrail 5 is that an electric gear box 5-4 drives a handrail lifting screw rod 5-3 to rotate, the handrail lifting screw rod 5-3 drives another handrail lifting screw rod 5-3 to synchronously rotate through a synchronous belt wheel 5-5 and a synchronous belt 5-6, and two vertical rods 5-2 synchronously move along the vertical direction to realize the lifting of the handrail body 5-1.
When a person needs to stand by the aid of the wheelchair, the back plate 7, the seat plate 3 and the leg support plate 11 are displaced on the same plane in the vertical direction through the cooperation of the worm gear and worm speed reducer I15, the worm gear and worm speed reducer II20 and the driving mechanism for overturning the seat plate body 3-1, and the back plate and the legs of the person are supported in the standing process of the person; when the human body stands, the feet of the human body can directly step on the pedal plate 12, or the feet of the human body stand on the ground after the pedal plate 12 is turned over relative to the leg supporting plate 11; when a person stands on the ground, the pedal plate 12 is connected with the leg support plate 11 through a pedal transmission shaft, and when the person stands on the pedal plate 12, the pedal plate 12 can be fixedly connected with the leg support plate 11 or can be connected with the leg support plate through the pedal transmission shaft.
When the toilet function of the seat plate 3 is used: starting a cover plate motor or a cover plate electric turbine pair 3-8 to enable a cover plate rotating shaft 3-4 to rotate, driving a toilet hole cover plate 3-3 to turn downwards and backwards by a swing arm 3-5 to turn over to the maximum angle of turning over, stopping the cover plate motor or the cover plate electric turbine pair 3-8, moving a seat or a wheelchair and other structures to enable a toilet hole 3-2 to be positioned right above the toilet or to be free of moving the seat or the wheelchair and other structures, and placing toilet appliances below the toilet hole 3-2 after turning over the toilet hole cover plate 3-3. When the toilet hole 3-2 needs to be closed, the seat or wheelchair and other structures are moved away from the toilet or toilet appliances are moved away, the cover plate motor or the cover plate electric turbine pair 3-8 continues to operate, the cover plate rotating shaft 3-4 rotates reversely, the swing arm 3-5 drives the toilet hole cover plate 3-3 to turn reversely and reset, and when the toilet hole cover plate 3-3 is positioned in the toilet hole and the toilet hole 3-2 is completely closed, the cover plate motor or the cover plate electric turbine pair 3-8 is closed.
When the scheme of the embodiment 1 is adopted for working, the electric gear box 9-6 is started to drive the lead screw 9-5 to rotate, the lead screw 9-5 is matched with the lead screw nut 9-4, and the lead screw nut 9-4 is connected with the inner wall of the leg body 9-3, so that the lead screw nut 9-4 drives the leg body 9-3 to move up and down along the leg body guide groove 9-2; the height of the leg body 9-3 is adjusted.
When a person needs to move from the wheelchair to the bed, the person sits on the wheelchair, pushes the wheelchair to the side of the bed, and adjusts the height of the leg body 9-3 to ensure that the seat plate 3 and the bed are positioned at the same height; meanwhile, the handrail driving mechanism drives the handrail body 5-1 to descend, so that the handrail body 5-1 descends to the same height with the seat plate 3; the worm gear speed reducer I15 is started to drive the spline transmission rod 17 to rotate, and the spline transmission rod 17 drives the back plate 7 to rotate, so that the back plate 7 moves towards the direction which is positioned on the same horizontal line with the seat plate 3; meanwhile, the turbine worm speed reducer II20 is started to drive the leg plate spline transmission rod 21 to rotate, and the leg plate spline transmission rod 21 drives the leg support plate 11 to rotate, so that the leg support plate 11 moves towards the direction which is the same with the horizontal line of the seat plate 3; when the back plate 7, the seat plate 3 and the leg support plate 11 are positioned on the same horizontal line, the turbine worm speed reducer I15 and the turbine worm speed reducer II20 stop operating, and the back plate 7, the seat plate 3 and the leg support plate 11 are maintained in the same horizontal line state due to the self-locking performance of the turbine worm; at the moment, a person with a little mobility can slowly move from the wheelchair to the bed; if the person who does not have the mobility ability completely, with the help of an outsider, the person sitting on the wheelchair is pushed to the bed from the wheelchair in parallel, and then slowly moves on the bed.
When a person wants to sit on the wheelchair from the bed, the wheelchair is placed beside the bed, the height of the wheelchair is adjusted to be flush with the height of the bed, the wheelchair is adjusted to the state that the back plate 7, the seat plate 3 and the leg support plate 11 are kept at the same horizontal line, and then the person sitting on the wheelchair can slowly move to the wheelchair; or a person needing to take the wheelchair is slowly pushed onto the wheelchair by the aid of the force of an outsider, after the person lies on the wheelchair, the turbine worm speed reducer I15 is started to drive the spline transmission rod 17 to rotate, the spline transmission rod 17 drives the back plate 7 to turn over, so that the back plate 7 and the seat plate 3 form a certain angle, and when the back plate 7 and the seat plate 3 reach a proper sitting angle, the turbine worm speed reducer I15 stops acting;
when the worm gear speed reducer I15 acts, the worm gear speed reducer II20 acts synchronously to drive the leg plate spline transmission rod 21 to act, the leg plate spline transmission rod 21 drives the leg support plate 11 to rotate, and when the angle between the leg support plate 11 and the seat plate 3 reaches the angle suitable for a person sitting on the wheelchair, the worm gear speed reducer II20 stops acting.
In addition, the scheme provided by the embodiment 1 can also be used for realizing the walking training of a person, when the walking training is needed, the pedal 12 is firstly folded towards the direction of the leg support plate 11, and the worm gear speed reducer II20 drives the leg support plate 11 to be folded towards the direction of the seat plate 3; then the worm gear speed reducer I15 drives the back plate 7 to turn over, so that the back plate 7 and the seat plate 3 are positioned on the same plane in the vertical direction; the back of the person is supported, meanwhile, the driving mechanism of the seat plate 3 drives the seat plate 3 to turn over, space is reserved for standing of the person, and at the moment, the person can try to perform subsequent walking training under the support of the wheelchair.
Example 2
As shown in fig. 1, 2, 3, 4 and 6, the multifunctional wheelchair comprises a seat plate 3, wherein power boxes 9 are respectively connected with two opposite sides of the seat plate 3 through fulcrum shafts 13-1, and the fulcrum shafts 13-1 are positioned at a position which is one third of the width of the seat plate 3; a crank 13-4 is coaxially sleeved on each of the two support shafts 13-1, a group of driving mechanisms 13-5 are respectively connected on the two cranks 13-4, and the two groups of driving mechanisms 13-5 are respectively arranged in the two power boxes 9; the driving mechanism 13-5 is one of an electric push rod, an air cylinder or an oil cylinder.
The upper ends of the two power boxes 9 are respectively provided with a handrail 5, the bottoms of the two power boxes 9 are respectively provided with a roller 14, and the two rollers 14 are positioned on the same power box 9, wherein one roller 14 is an electric driving wheel (a circle of rubber is wrapped outside one electric motor to form the electric driving wheel); the other roller 14 is a guide wheel; the two rollers 14 located at the front sides of the two power boxes 9 may be electric driving wheels, or the two rollers 14 located at the rear sides of the two power boxes 9 may be electric driving wheels.
The power box 9 comprises a box body 9-1 with a cavity, two opposite ends of the cavity of the box body 9-1 are respectively provided with a leg body guide groove 9-2, two leg bodies 9-3 are respectively arranged in the two leg body guide grooves 9-2, one side of the box body 9-1 is provided with a cover plate, the cover plate and the box body 9-1 are assembled together to respectively embed the two leg bodies 9-3 in the two leg body guide grooves 9-2, so that the leg bodies 9-3 can move up and down along the leg body guide grooves 9-2, and the lower ends of the two leg bodies 9-3 respectively extend out of the box body 9-1 from the lower ends of the two leg body guide grooves 9-2; the bottoms of the two leg bodies 9-3 in each box body 9-1 are respectively connected with a roller 14. The upper ends of the two leg bodies 9-3 are respectively connected with a leg body driving mechanism 9-9, in this embodiment 3, the leg body driving mechanism 9-9 is one of an oil cylinder, an air cylinder or an electric push rod, and when the leg body driving mechanism 9-9 adopts the oil cylinder, a piston rod of the oil cylinder is connected with the upper end of the leg body 9-3; when the leg body driving mechanism 9-9 adopts a cylinder, a piston rod of the cylinder is connected with the upper end of the leg body 9-3; when the leg body driving mechanism 9-9 adopts an electric push rod, a telescopic rod of the electric push rod is connected with the upper end of the leg body 9-3; a driving mechanism mounting groove 9-10 is also arranged in the box body 9-1, and a leg body driving mechanism 9-9 is arranged in the driving mechanism mounting groove 9-10; one leg body 9-3 of the two leg bodies 9-3 is a front leg body of the chair, and the front leg body is arranged along the direction which forms an angle of 0-15 degrees with the vertical direction; the other leg body 9-3 is a rear leg body of the chair, and the rear leg body is arranged along the direction of 0-30 degrees from the vertical direction. One end of the seat plate 3 is connected with a back plate 7, two opposite sides of the bottom of the back plate 7 are respectively provided with a back plate ear plate 10, and the bottom of the seat plate 3 is provided with a spline transmission rod 17 along the horizontal direction; the spline transmission rod 17 penetrates through a turbine center hole of the turbine worm speed reducer I15, and two ends of the spline transmission rod 17 are respectively connected with the two back plate ear plates 10; in order to make the whole wheelchair compact in structure, two opposite sides of one end of the seat plate 3 close to the back plate 7 are respectively provided with a back plate groove 16, and the two back plate ear plates 10 are just embedded in the two back plate grooves 16, so that the back plate 7 and the seat plate 3 can be compactly matched; a leg supporting plate 11 is arranged at the lower side of one end of the seat plate 3 far away from the back plate 7;
the handrail 5 comprises a handrail body 5-1, the lower surface of the handrail body 5-1 is fixedly connected with two vertical rods 5-2, the vertical rods 5-2 are perpendicular to the handrail body 5-1 and are arranged along the vertical direction, the two vertical rods 5-2 are both connected with a handrail electric push rod 5-7 or a handrail oil cylinder or a handrail air cylinder, the handrail electric push rod 5-7 or the handrail oil cylinder or the handrail air cylinder is arranged in a power box 9, a placement groove matched with the shape of the handrail electric push rod 5-7 or the handrail oil cylinder or the handrail air cylinder is arranged in the power box 9, and the bottom ends of the vertical rods 5-2 extend into the power box 9.
The relative both sides of shank backup pad 11 upper end are equipped with leg plate otic placode 19 respectively, the relative both sides of one end that seat 3 is close to shank backup pad 11 are equipped with leg plate recess 18 respectively, two leg plate otic placodes 19 inlay respectively in two leg plate recesses 18 departments, the other end of seat 3 bottom is equipped with leg plate spline transfer line 21 along the horizontal direction, leg plate spline transfer line 21 passes from the turbine centre bore of turbine worm speed reducer II20, the both ends of leg plate spline transfer line 21 are connected with two push pedal otic placodes 19 respectively, the lower extreme of shank backup pad 11 is connected with running-board 12, running-board 12 formula structure as an organic whole, it is very steady to make the people's foot step on, running-board 12 can be connected with shank backup pad 11 fixed connection, running-board 12 also can be connected with shank backup pad 11 through the footboard transmission shaft.
As shown in fig. 10 to 12, the backboard 7 comprises a backboard body 7-1, long-handle-shaped support handles 7-2 are arranged on both sides of the backboard body 7-1, a dual-output motor III7-3 is further arranged in the backboard body 7-1, two output ends of the dual-output motor III7-3 are respectively connected with a positive screw rod 7-4 and a reverse screw rod 7-5, a positive screw nut 7-6 of the positive screw rod 7-4 is connected with one end of one support handle 7-2, a reverse screw nut 7-7 of the reverse screw rod 7-5 is connected with one end of the other support handle 7-2, a support handle slider 7-14 is fixedly connected between the positive screw nut 7-6 and the one support handle 7-2, a support handle slider 7-14 is also fixedly connected between the reverse screw nut 7-7 and the other support handle 7-2, a support handle axle seat 7-15 is arranged at the connection end of the support handle slider 7-14 and the support handle 7-2, a handle-supporting electric turbine pair 7-16 is arranged in the handle support 7-2, an output shaft of the handle-supporting electric turbine pair 7-16 is fixedly connected with the handle support 7-2, an output shaft of the handle-supporting electric turbine pair 7-16 is arranged on a handle support shaft seat 7-15, and the handle-supporting electric turbine pair 7-16 drives the handle support 7-2 to rotate around the handle support shaft seat 7-15. The lower end of the back plate body 7-1 is connected with the seat plate body 3-1 through a spline transmission rod 17.
The back plate body 7-1 is internally provided with a bracket cross arm 7-8, the bracket cross arm 7-8 is a hollow structure shell, a double-output motor III7-3, a positive wire lead screw 7-4, a negative wire lead screw 7-5 and a slide block are all arranged in the bracket cross arm 7-8, the double-output motor III7-3 is positioned in the middle of the bracket cross arm 7-8, two support handles 7-2 are symmetrically arranged, and the two support handles 7-2 are perpendicular to the bracket cross arm 7-8.
The surface of a bracket cross arm 7-8 is fixed with a cross arm slide block 7-9, two cross arm guide rails 7-10 and a cross arm screw rod motor 7-11 are fixed in a back plate body 7-1, the two cross arm guide rails 7-10 are respectively close to two support handles 7-2, the cross arm slide block 7-9 is embedded on the cross arm guide rails 7-10, the number of the cross arm slide blocks 7-9 corresponds to that of the cross arm guide rails 7-10, the cross arm screw rod motor 7-11 is connected with a cross arm screw rod 7-12 in a driving mode, a cross arm screw nut 7-13 of the cross arm screw rod 7-12 is fixedly connected with the bracket cross arm 7-8, and the cross arm screw rod 7-12 and the cross arm guide rails 7-10 are arranged along the length direction of the back plate body 7-1.
The back plate body 7-1 is used for leaning on the back and is equivalent to a back plate of a common seat structure. The support handle 7-2 is used for supporting the armpit of the user, providing a lifting force for the user and limiting the inclination of the user to two sides to prevent the user from falling. The double-output motor III7-3 is used for driving the positive lead screw 7-4 and the negative lead screw 7-5 simultaneously, and the driving structure is simplified. The positive screw rod 7-4 and the negative screw rod 7-5 are used for transmission, and the distance between the two support handles 7-2 is adjusted. The support handle sliding blocks 7-14 enable the positive screw nuts 7-6 and the negative screw nuts 7-7 to be connected with the support handle 7-2 more stably, the support handle 7-2 moves more stably, and meanwhile, a support handle shaft seat is convenient to install. The handle-supporting electric turbine pair 7-16 is used for driving the handle-supporting 7-2 to rotate, and the rotation angle of the handle-supporting is generally 90 degrees.
In embodiment 2, when the height of the leg body 9-3 is raised or lowered, the leg body driving mechanism 9-9 is started to drive the leg body 9-3 to move up and down along the leg body guide groove 9-2; the height of the leg body 9-3 is adjusted.
In the embodiment 2, when the handrail is lifted, the electric push rod 5-7 of the handrail or the piston rod of the oil cylinder or the air cylinder of the handrail stretches and retracts to drive the upright rod 5-2 to move synchronously along the vertical direction, so that the lifting of the handrail body 5-1 is realized.
In embodiment 2, when the seat plate 3 is turned over relative to the power box 9, the driving mechanism 13-5 is started, the driving mechanism 13-5 drives the crank 13-4 to rotate around the center of the fulcrum 13-1, and the fulcrum 13-1 rotates along with the crank 13-4 to drive the seat plate 3 to turn over;
embodiment 2 differs from embodiment 1 in that the lifting drive mechanism of the leg body 9-3 is different; the vertical rod driving mechanisms in the handrail body 5-1 are different; the overturning driving mechanisms of the seat plate 3 are different; embodiment 2 performs exactly the same function as embodiment 1.
Example 3
As shown in fig. 1, 2, 3, 4, 7, 8 and 9, the multifunctional wheelchair comprises a seat plate 3, wherein the seat plate 3 comprises a seat plate body 3-1, a toilet hole 3-2 is formed in the seat plate body 3-1, a toilet hole cover plate 3-3 adaptive to the shape of the toilet hole 3-2 is arranged in the toilet hole 3-2, the toilet hole cover plate 3-3 is rotatably connected with the seat plate body 3-1, and the toilet hole cover plate 3-3 is turned downwards and upwards to respectively open and close the toilet hole 3-2.
Two opposite sides of the seat plate body 3-1 are respectively provided with a fulcrum shaft 13-1, and the fulcrum shafts 13-1 are positioned at a position one third of the width of the seat plate 3; the two opposite sides of the seat plate 3 are respectively provided with a power box 9, and the two power boxes 9 are connected with the seat plate 3 to form an n-shaped structure; two supporting shafts 13-1 are respectively and coaxially sleeved with a turbine 13-2, and the two turbines 13-2 are respectively matched with an electric worm 13-3 to form a turbine pair; the two turbine pairs are respectively arranged on the two power boxes 9, and in order to limit the overturning angle of the seat plate 3, the turbine 13-2 is not provided with full teeth, so that when the electric worm 13-3 is matched with the turbine 13-2, a part of area of the turbine 13-2 is not matched, namely the turbine 13-2 cannot drive the seat plate 3 to overturn for 360 degrees.
The upper ends of the two power boxes 9 are respectively provided with a handrail 5, the bottoms of the two power boxes 9 are respectively provided with a roller 14, and the two rollers 14 are positioned on the same power box 9, wherein one roller 14 is an electric driving wheel (a circle of rubber is wrapped outside one electric motor to form the electric driving wheel); the other roller 14 is a guide wheel; the two rollers 14 located at the front sides of the two power boxes 9 may be electric driving wheels, or the two rollers 14 located at the rear sides of the two power boxes 9 may be electric driving wheels.
The power box 9 comprises a box body 9-1 with a cavity, two opposite ends of the cavity of the box body 9-1 are respectively provided with a leg body guide groove 9-2, two leg bodies 9-3 are respectively arranged in the two leg body guide grooves 9-2, one side of the box body 9-1 is provided with a cover plate, the cover plate and the box body 9-1 are assembled together to respectively embed the two leg bodies 9-3 in the two leg body guide grooves 9-2, so that the leg bodies 9-3 can move up and down along the leg body guide grooves 9-2, and the lower ends of the two leg bodies 9-3 respectively extend out of the box body 9-1 from the lower ends of the two leg body guide grooves 9-2; the bottoms of the two leg bodies 9-3 in each box body 9-1 are respectively connected with a roller 14. One leg body 9-3 of the two leg bodies 9-3 is a front leg body of the chair, and the front leg body is arranged along the direction which forms an angle of 0-15 degrees with the vertical direction; the other leg body 9-3 is a rear leg body of the chair, and the rear leg body is arranged along the direction of 0-30 degrees from the vertical direction.
A double-output-shaft motor A9-11 is arranged on the box body 9-1, two output shaft ends of the double-output-shaft motor A9-11 are respectively provided with angle gears A9-12, (FIG. 8 shows a structural schematic diagram that one output rod of the double-output-shaft motor A9-11 is matched with one leg body 9-3; the two output rods of the double-output-shaft motor A9-11 are connected with the two leg bodies 9-3 in the same structure), the two angle gears A9-12 are respectively engaged with one gear ring of the two double-gear-ring gears 9-13 (the gear ring matched with the angle gear A9-12 is an angle gear ring), the other gear ring of the two double-gear-ring gears 9-13 is respectively engaged with the two racks 9-14, and the two racks 9-14 are respectively and correspondingly arranged on the two leg bodies 9-3; an opening 9-15 is formed in one side, close to the double-gear-ring gear 9-13, of the lower end of the leg body guide groove 9-2, and the double-gear-ring gear 9-13 is meshed with a part of the rack 9-14 leaked from the opening 9-15.
One end of the seat plate body 3 is connected with a back plate 7, two opposite sides of the bottom of the back plate 7 are respectively provided with a back plate ear plate 10, and the bottom of the seat plate body 3 is provided with a spline transmission rod 17 along the horizontal direction; the spline transmission rod 17 penetrates through a turbine center hole of the turbine worm speed reducer I15, and two ends of the spline transmission rod 17 are respectively connected with the two back plate ear plates 10; in order to make the whole wheelchair compact in structure, back plate grooves 16 are respectively arranged on two opposite sides of one end, close to the back plate 7, of the seat plate body 3, and the two back plate ear plates 10 are just embedded in the two back plate grooves 16, so that the back plate 7 and the seat plate body 3 can be compactly matched;
the handrail 5 comprises a handrail body 5-1, the lower surface of the handrail body 5-1 is fixedly connected with two vertical rods 5-2, the vertical rods 5-2 are vertical to the handrail body 5-1 and are arranged along the vertical direction, a double-output motor II5-8 is arranged between the two vertical rods 5-2, two output ends of a double-output motor II5-8 are respectively connected with one end of a power rod 5-9, the other end of the power rod 5-9 is provided with a handrail bevel gear 5-10, a steering transmission gear 5-12 is arranged between the handrail bevel gear 5-10 and a rack 5-11, one side opposite to the two vertical rods 5-2 is provided with a rack 5-11, the steering transmission gear 5-12 is provided with two rings which are concentrically arranged, as shown in figure 9, one of the rings is meshed with the handrail bevel gear 5-10, the other gear ring is meshed with a rack 5-11, a double-output motor II5-8, a power rod, an armrest bevel gear 5-10, a steering transmission gear 5-12 and a rack 5-11 are all arranged in a power box 9, a placing groove matched with the shape of each part in the power box 9 is formed in the corresponding position of each part, and the bottom end of the vertical rod 5-2 and the bottom end of the rack 5-11 both extend into the power box 9.
The relative both sides of shank backup pad 11 upper end are equipped with leg plate otic placode 19 respectively, the relative both sides of one end that seat 3 is close to shank backup pad 11 are equipped with leg plate recess 18 respectively, two leg plate otic placodes 19 inlay respectively in two leg plate recesses 18 departments, the other end of seat body 3 bottom is equipped with leg plate spline transfer line 21 along the horizontal direction, leg plate spline transfer line 21 passes from the turbine centre bore of turbine worm speed reducer II20, the both ends of leg plate spline transfer line 21 are connected with two push pedal otic placodes 19 respectively, the lower extreme of shank backup pad 11 is connected with running-board 12, running-board 12 formula structure as an organic whole, it is very steady to make the people step on, running-board 12 can be connected with shank backup pad 11 fixed connection, running-board 12 also can be connected with shank backup pad.
As shown in fig. 10 to 12, the backboard 7 comprises a backboard body 7-1, long-handle-shaped support handles 7-2 are arranged on both sides of the backboard body 7-1, a dual-output motor III7-3 is further arranged in the backboard body 7-1, two output ends of the dual-output motor III7-3 are respectively connected with a positive screw rod 7-4 and a reverse screw rod 7-5, a positive screw nut 7-6 of the positive screw rod 7-4 is connected with one end of one support handle 7-2, a reverse screw nut 7-7 of the reverse screw rod 7-5 is connected with one end of the other support handle 7-2, a support handle slider 7-14 is fixedly connected between the positive screw nut 7-6 and the one support handle 7-2, a support handle slider 7-14 is also fixedly connected between the reverse screw nut 7-7 and the other support handle 7-2, a support handle axle seat 7-15 is arranged at the connection end of the support handle slider 7-14 and the support handle 7-2, a handle-supporting electric turbine pair 7-16 is arranged in the handle support 7-2, an output shaft of the handle-supporting electric turbine pair 7-16 is fixedly connected with the handle support 7-2, an output shaft of the handle-supporting electric turbine pair 7-16 is arranged on a handle support shaft seat 7-15, and the handle-supporting electric turbine pair 7-16 drives the handle support 7-2 to rotate around the handle support shaft seat 7-15. The lower end of the back plate body 7-1 is connected with the seat plate body 3-1 through a spline transmission rod 17.
The back plate body 7-1 is internally provided with a bracket cross arm 7-8, the bracket cross arm 7-8 is a hollow structure shell, a double-output motor III7-3, a positive wire lead screw 7-4, a negative wire lead screw 7-5 and a slide block are all arranged in the bracket cross arm 7-8, the double-output motor III7-3 is positioned in the middle of the bracket cross arm 7-8, two support handles 7-2 are symmetrically arranged, and the two support handles 7-2 are perpendicular to the bracket cross arm 7-8.
The surface of a bracket cross arm 7-8 is fixed with a cross arm slide block 7-9, two cross arm guide rails 7-10 and a cross arm screw rod motor 7-11 are fixed in a back plate body 7-1, the two cross arm guide rails 7-10 are respectively close to two support handles 7-2, the cross arm slide block 7-9 is embedded on the cross arm guide rails 7-10, the number of the cross arm slide blocks 7-9 corresponds to that of the cross arm guide rails 7-10, the cross arm screw rod motor 7-11 is connected with a cross arm screw rod 7-12 in a driving mode, a cross arm screw nut 7-13 of the cross arm screw rod 7-12 is fixedly connected with the bracket cross arm 7-8, and the cross arm screw rod 7-12 and the cross arm guide rails 7-10 are arranged along the length direction of the back plate body 7-1.
The back plate body 7-1 is used for leaning on the back and is equivalent to a back plate of a common seat structure. The support handle 7-2 is used for supporting the armpit of the user, providing a lifting force for the user and limiting the inclination of the user to two sides to prevent the user from falling. The double-output motor III7-3 is used for driving the positive lead screw 7-4 and the negative lead screw 7-5 simultaneously, and the driving structure is simplified. The positive screw rod 7-4 and the negative screw rod 7-5 are used for transmission, and the distance between the two support handles 7-2 is adjusted. The support handle sliding blocks 7-14 enable the positive screw nuts 7-6 and the negative screw nuts 7-7 to be connected with the support handle 7-2 more stably, the support handle 7-2 moves more stably, and meanwhile, a support handle shaft seat is convenient to install. The handle-supporting electric turbine pair 7-16 is used for driving the handle-supporting 7-2 to rotate, and the rotation angle of the handle-supporting is generally 90 degrees.
When the scheme of the embodiment 3 is adopted to work, the lifting principle of the leg body 9-3 is that the double-output-shaft motor A9-11 drives the angle gear A9-12 to rotate, the angle gear A9-12 is meshed with one gear ring of the double-gear-ring gear 9-13 to drive the double-gear-ring gear 9-13 to move, so that the other gear ring of the double-gear-ring gear 9-13 is meshed with the rack 9-14 to be in transmission, and the leg body 9-3 is driven by the rack 9-14 to move up and down along the leg body guide groove 9-2; the height of the leg body 9-3 is adjusted.
The lifting principle of the handrail 5 is as follows: the dual-output motor II5-8 operates to drive the two power rods to rotate, the power rods drive the handrail bevel gears 5-10 to rotate, the handrail bevel gears 5-10 are meshed with the steering transmission gears 5-12, the steering transmission gears 5-12 rotate, and the steering transmission gears 5-12 are meshed with the racks 5-11, so that the racks 5-11 drive the vertical rods 5-2 to move in the vertical direction, and the lifting of the handrail body 5-1 is realized.
The overturning principle of the seat plate 3 is as follows: the electric worm 13-3 is started, and the turbine pair formed by the cooperation of the electric worm 13-3 and the turbine 13-2 is brought to the fulcrum 13-1 to rotate, and the seat plate body 3 is overturned along with the fulcrum 13-1.
Embodiment 3 differs from embodiment 1 in that the lifting drive mechanism of the leg body 9-3 is different; the vertical rod driving mechanisms in the handrail body 5-1 are different; embodiment 3 performs exactly the same function as embodiment 1.

Claims (10)

1. A multifunctional wheelchair is characterized in that: the toilet seat comprises a seat plate capable of using as a toilet, wherein power boxes are respectively arranged on two opposite sides of the seat plate, the upper ends of the two power boxes are respectively provided with a lifting handrail, the bottoms of the two power boxes are respectively provided with a roller, one end of the seat plate is connected with a back plate through a spline transmission rod, the other end of the seat plate is connected with the upper end of a leg supporting plate, and the lower end of the leg supporting plate is connected with a pedal;
the two opposite ends in each power box are respectively provided with a leg body in an inclined way, the leg bodies are connected with a telescopic driving mechanism, and the lower ends of the leg bodies extend out of the interior of the power box body;
support shafts are respectively arranged on two opposite sides of the seat plate, the two support shafts are respectively connected with a group of driving components, the two groups of driving components are respectively arranged on two power boxes, and the two power boxes are connected with the seat plate to form an n-shaped structure;
the back plate is provided with an armpit support.
2. The multi-function wheelchair as claimed in claim 1, wherein: the seat plate comprises a seat plate body, wherein a toilet hole is formed in the seat plate body, a toilet hole cover plate which is matched with the toilet hole in shape is arranged in the toilet hole, the toilet hole cover plate is rotatably connected with the seat plate body, and the toilet hole cover plate is turned downwards and upwards to respectively open and close the toilet hole; the seat body is provided with a cover plate rotating shaft, and the toilet hole cover plate is connected with the cover plate rotating shaft.
3. The multi-function wheelchair as claimed in claim 2, wherein: the toilet hole cover plate is connected with the cover plate rotating shaft through a swing arm, one end of the swing arm is fixedly connected with the cover plate rotating shaft, the other end of the swing arm is fixed at the tail end of the lower surface of the toilet hole cover plate, a swing arm rotating groove is formed in the position, corresponding to the swing arm, of the seat body, the edge, close to the tail end of the toilet hole cover plate, of the seat body is formed in the position, corresponding to the swing arm, of the seat body, the swing arm rotating groove is formed in the position, corresponding to the cover plate rotating shaft, of the edge, close to the tail end of the toilet hole cover plate, of the seat body, and the swing arm passes through the swing arm rotating groove in the overturning process of the toilet hole cover plate from one limit position to the other limit position.
4. The multi-function wheelchair as claimed in claim 1, wherein: the telescopic driving mechanism comprises a double-output-shaft motor A, two output shaft end parts of the double-output-shaft motor A are respectively provided with an angle gear A, the two angle gears A are respectively meshed with one gear ring of the two double-gear-ring gears, the other gear ring of the two double-gear-ring gears is respectively correspondingly meshed with the two racks, and the two racks are respectively correspondingly arranged on the two leg bodies.
5. The multi-function wheelchair as claimed in claim 1, wherein: the back plate comprises a back plate body, and armpit supports are arranged on the back plate body;
the armpit support comprises support handles which are arranged on two opposite sides of a back plate body respectively, a double-output motor III is further arranged in the back plate body, two output ends of the double-output motor III are connected with a positive screw rod and a negative screw rod respectively, a positive screw nut of the positive screw rod is connected with one end of one support handle, and a negative screw nut of the negative screw rod is connected with one end of the other support handle.
6. The multi-function wheelchair as claimed in claim 5, wherein: a bracket cross arm is arranged in the back plate body, the bracket cross arm is a hollow structure shell, and the double-output motor III, the positive screw rod and the negative screw rod are all arranged in the bracket cross arm;
a cross arm slide block is fixed on the surface of the cross arm of the bracket, a cross arm guide rail and a cross arm lead screw motor are fixed in the backboard body, the cross arm slide block is nested on the cross arm guide rail, the cross arm lead screw motor is connected with a cross arm lead screw in a driving way, a cross arm nut of the cross arm lead screw is fixedly connected with the cross arm of the bracket, and the cross arm lead screw and the cross arm guide rail are both arranged along the length direction of the backboard body;
the cross arm guide rails are provided with two, the two cross arm guide rails are close to the two support handles respectively, and the number of the cross arm slide blocks corresponds to that of the cross arm guide rails.
7. The multi-function wheelchair as claimed in claim 5, wherein: a support handle sliding block is fixedly connected between the positive screw nut and one support handle, and a support handle sliding block is also fixedly connected between the negative screw nut and the other support handle;
a handle supporting shaft seat is arranged at the connecting end of the handle supporting sliding block and the handle, a handle supporting electric turbine pair is arranged in the handle supporting, an output shaft of the handle supporting electric turbine pair is fixedly connected with the handle supporting shaft, an output shaft of the handle supporting electric turbine pair is arranged on the handle supporting shaft seat, and the handle supporting electric turbine pair drives the handle supporting shaft to rotate around the handle supporting shaft seat.
8. The multi-function wheelchair as claimed in claim 1, wherein: the handrail includes the handrail body, the relative both ends of handrail body lower surface are equipped with hollow pole setting respectively, the pole setting just sets up along vertical direction with the handrail body is perpendicular, the pole setting is connected with pole setting actuating mechanism, pole setting actuating mechanism drive pole setting is gone up and down in vertical direction, pole setting actuating mechanism sets up in the headstock, the pole setting bottom stretches into in the headstock.
9. The multi-function wheelchair of claim 8, wherein: the vertical rod driving mechanism comprises a handrail lifting screw rod, a screw nut A is coaxially sleeved on the handrail lifting screw rod and coaxially arranged on the inner wall of the vertical rod, and the handrail lifting screw rod is connected with an electric gear box.
10. The multi-function wheelchair of claim 8, wherein: the vertical rod driving mechanism comprises a double-output motor II arranged between two vertical rods, two output ends of the double-output motor II are respectively connected with one end of a power rod, the other end of the power rod is provided with a handrail bevel gear, a rack is arranged on one side, opposite to the vertical rods, of the handrail bevel gear and the rack, a steering transmission gear is arranged between the handrail bevel gear and the rack and provided with two rings of gear rings, the two rings of gear rings are concentrically arranged, one of the two rings of gear rings is meshed with the handrail bevel gear, and the other gear ring is meshed with the rack.
CN202110480684.XA 2021-04-30 2021-04-30 Multifunctional wheelchair Pending CN113197737A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110480684.XA CN113197737A (en) 2021-04-30 2021-04-30 Multifunctional wheelchair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110480684.XA CN113197737A (en) 2021-04-30 2021-04-30 Multifunctional wheelchair

Publications (1)

Publication Number Publication Date
CN113197737A true CN113197737A (en) 2021-08-03

Family

ID=77029641

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110480684.XA Pending CN113197737A (en) 2021-04-30 2021-04-30 Multifunctional wheelchair

Country Status (1)

Country Link
CN (1) CN113197737A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113995623A (en) * 2021-09-27 2022-02-01 浙江山河家具有限公司 Multifunctional massage sofa

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113995623A (en) * 2021-09-27 2022-02-01 浙江山河家具有限公司 Multifunctional massage sofa
CN113995623B (en) * 2021-09-27 2023-11-17 浙江山河家具有限公司 Multifunctional massage sofa

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