CN113197739A - Wheelchair capable of assisting standing - Google Patents
Wheelchair capable of assisting standing Download PDFInfo
- Publication number
- CN113197739A CN113197739A CN202110479886.2A CN202110479886A CN113197739A CN 113197739 A CN113197739 A CN 113197739A CN 202110479886 A CN202110479886 A CN 202110479886A CN 113197739 A CN113197739 A CN 113197739A
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- plate
- seat plate
- turbine
- standing
- wheelchair
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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
- A61G5/14—Standing-up or sitting-down aids
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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
- A61G5/04—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
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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
- A61G5/04—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
- A61G5/1056—Arrangements for adjusting the seat
- A61G5/1067—Arrangements for adjusting the seat adjusting the backrest relative to the seat portion
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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
- A61G5/12—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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention discloses a wheelchair capable of assisting standing, which comprises a seat plate, wherein two opposite sides of the seat plate are respectively provided with a side plate, the upper ends of the two side plates are respectively provided with a handrail, the bottoms of the two side plates 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 opposite two sides of the seat plate are respectively provided with a fulcrum shaft, the two fulcrum shafts are respectively connected with a group of driving components, the two groups of driving components are respectively arranged on the two side plates, and the two side plates are connected with the seat plate to form an n-shaped structure. The invention adopts a plate type structure, is convenient for daily cleaning, can adjust the angle between the back plate and the seat plate, and can stand by the self force when a person sits on the wheelchair.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and relates to a wheelchair capable of assisting in standing.
Background
With the acceleration of aging, a part of old people with inconvenient actions need to help the wheelchair to walk, but the basic frame of the existing wheelchair is formed by connecting steel pipes, so that the cleaning is very inconvenient in daily life, and in addition, the angle of the back plate cannot be adjusted, so that the old people can only keep sitting up all the time, and the old people cannot have a short rest on the wheelchair;
in addition, in the wheelchairs sold in the market, the seat plate is fixedly arranged on the chair frame body, and the seat plate cannot be turned over relative to the chair frame body, so that some people with inconvenient actions can stand up only with the help of outsiders after getting up from the wheelchairs; this not only consumes manpower, but also is inconvenient for the persons with the handicapped actions to exercise daily.
Disclosure of Invention
The invention aims to provide a wheelchair capable of assisting in standing, which adopts a plate type structure, is convenient for daily cleaning, can adjust the angle between a back plate and a seat plate, and can stand by means of self force when a person sits on the wheelchair.
The invention adopts the technical scheme that the wheelchair capable of assisting standing comprises a seat plate, wherein two opposite sides of the seat plate are respectively provided with a side plate, the upper ends of the two side plates are respectively provided with a handrail, the bottoms of the two side plates 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 support plate, and the lower end of the leg support plate is connected with a pedal;
the opposite two sides of the seat plate are respectively provided with a fulcrum shaft, the two fulcrum shafts are respectively connected with a group of driving components, the two groups of driving components are respectively arranged on the two side plates, and the two side plates are connected with the seat plate to form an n-shaped structure.
The invention is also characterized in that:
the spline transmission rod is connected with a driving mechanism.
The driving mechanism comprises a perforated output type turbine worm speed reducer I, and the spline transmission rod penetrates through the center of a turbine of the turbine worm speed reducer I.
The distance between the fulcrum shaft and the two end parts of the seat plate is different.
Each group of driving components comprises an electric worm, the electric worm is matched with a turbine to form a turbine pair, and the turbine is sleeved on the fulcrum shaft.
A smooth area is arranged on the wheel surface of the turbine and is a matching blind area of the electric worm and the turbine.
Each group of driving components comprises an electric push rod, the end part of a telescopic rod of the electric push rod is connected with one end of a crank, and the other end of the crank is connected with a support shaft.
Each group of driving components comprises an air cylinder, the end part of a piston rod of the air cylinder is connected with one end of a crank, and the other end of the crank is connected with a fulcrum shaft.
Each group of driving components comprises an oil cylinder, the end part of a piston rod of the oil cylinder is connected with one end of a crank, and the other end of the crank is connected with a fulcrum shaft.
The wheelchair capable of assisting in standing provided by the invention has the beneficial effects that the wheelchair capable of assisting in standing 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 side plate, and the back plate, the seat plate and the side plates are combined to form the wheelchair with a plate type structure; in addition, the seat plate is connected with the back plate through the spline transmission rod, so that the angle between the seat plate and the back plate can be adjusted, and the back plate can be adjusted to a proper angle to provide comfort level when people have a short rest on the wheelchair; in addition, the seat board can be overturned relative to the side board, so that a person using the wheelchair can conveniently perform daily standing training.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a wheelchair capable of assisting standing according to the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic view of the structure of a seat plate of a wheelchair capable of assisting standing according to the present invention;
FIG. 4 is a schematic structural view of another embodiment of a wheelchair capable of assisting standing in accordance with the present invention;
FIG. 5 is an exploded view of FIG. 4;
FIG. 6 is a schematic structural view of an embodiment 1 of a seat plate in a wheelchair capable of assisting standing according to the present invention;
fig. 7 is a schematic structural view of an embodiment 2 of a seat plate in a wheelchair capable of assisting standing according to the present invention.
In the figure, 3, a seat plate, 5, handrails, 7, a back plate, 9, side plates, 10, back plate ear plates, 11, a leg support plate, 12 and a pedal plate;
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 worm gear reducer comprises a roller, 15, worm gear reducer I, 16, a back plate groove, 17, a spline transmission rod, 18, a leg plate groove, 19, a leg plate lug plate, 20, worm gear reducer II, 21 and a leg plate spline transmission rod.
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 wheelchair capable of assisting in standing, which comprises the following four embodiment structures;
example 1
As shown in fig. 1, 2 and 6, comprises a seat plate 3, wherein two opposite sides of the seat plate 3 are respectively provided with a fulcrum 13-1, and the fulcrum 13-1 is positioned at a position which is one third of the width of the seat plate 3; two opposite sides of the seat plate 3 are respectively provided with a side plate 9, and the two side plates 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 worm gear pairs are respectively arranged on the two side plates 9, and in order to limit the overturning angle of the seat plate 3, the upper surface of the worm gear 13-2 is not provided with full teeth, so that when the electric worm 13-3 is matched with the worm gear 13-2, a part of area of the worm gear 13-2 is not matched, namely the worm gear 13-2 cannot drive the seat plate 3 to overturn for 360 degrees.
The upper ends of the two side plates 9 are respectively provided with a handrail 5, the bottoms of the two side plates 9 are respectively provided with a roller 14, and the two rollers 14 are positioned on the same side plate 9, wherein one roller 14 is an electric driving wheel (a circle of rubber is wrapped outside an electric motor to form the electric driving wheel); the other roller 14 is a guide wheel; the two rollers 14 located at the front side of the two side plates 9 may be electric driving wheels, or the two rollers 14 located at the rear side of the two side plates 9 may be electric driving wheels.
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, as shown in fig. 3, the bottom of the seat plate 3 is provided with a spline transmission rod 17 along the horizontal direction, and the spline transmission rod 17 cannot be an optical axis; 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;
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.
Through the embodiment 1, when a person takes the plate-type 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 back plate 7 to rotate, and the angle adjustment between the back plate 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.
Meanwhile, the embodiment 1 of the invention can also realize the overturning of the seat plate 3 relative to the side plates 9, the electric worm 13-3 is started, the turbine pair formed by the matching 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 the position away from one end of the seat plate 3, the space left after the seat plate 3 is overturned can be enough for a person to stand when the person stands up and stands, when the overturnable seat plate is arranged on a common chair or a wheelchair, two hands of the user hold the armrest of the chair, after the seat plate 3 is overturned, the person can stand between the two side plates 9 by the own strength, the person can stand for 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.
When a person needs to stand by the aid of the wheelchair, the back plate 7, the seat plate 3 and the leg supporting plate 11 are displaced on the same plane in the vertical direction through the cooperation of the worm gear and worm speed reducer I15 and the worm gear and worm speed reducer II20, 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.
Example 2
As shown in fig. 4, 5 and 6, two opposite sides of the seat plate 3 are respectively provided with a fulcrum 13-1, and the fulcrum 13-1 is located at a position one third of the width of the seat plate 3; two opposite sides of the seat plate 3 are respectively provided with a side plate 9, and the two side plates 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 worm gear pairs are respectively arranged on the two side plates 9, and in order to limit the overturning angle of the seat plate 3, the upper surface of the worm gear 13-2 is not provided with full teeth, so that when the electric worm 13-3 is matched with the worm gear 13-2, a part of area of the worm gear 13-2 is not matched, namely the worm gear 13-2 cannot drive the seat plate 3 to overturn for 360 degrees.
The upper ends of the two side plates 9 are respectively provided with a handrail 5, the bottoms of the two side plates 9 are respectively provided with a roller 14, and the two rollers 14 are positioned on the same side plate 9, wherein one roller 14 is an electric driving wheel (a circle of rubber is wrapped outside an electric motor to form the electric driving wheel); the other roller 14 is a guide wheel; the two rollers 14 located at the front side of the two side plates 9 may be electric driving wheels, or the two rollers 14 located at the rear side of the two side plates 9 may be electric driving wheels.
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, as shown in fig. 3, the bottom of the seat plate 3 is provided with a spline transmission rod 17 along the horizontal direction, and the spline transmission rod 17 cannot be an optical axis; 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;
the two opposite sides of the upper end of the leg supporting plate 11 are respectively provided with a leg plate ear 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 ear 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 ear plates 19, the lower end of the leg supporting plate 11 is connected with two pedals 12, the two pedals 12 cannot simultaneously limit the actions of the two feet, when people need to get off from the wheelchair, one foot can get off from a gap between the two pedals 12 and firstly land, and then get up to leave the wheelchair; the foot pedal 12 can be fixedly connected with the leg support plate 11, and the foot pedal 12 can also be connected with the leg support plate 11 through a pedal transmission shaft.
Based on the embodiment 1, the wheelchair is convenient for people to get off from the wheelchair through the embodiment 2.
Example 3
As shown in fig. 1, 2 and 7, the seat comprises a seat plate 3, wherein two opposite sides of the seat plate 3 are respectively provided with a fulcrum 13-1, and the fulcrum 13-1 is located at a position which is one third of the width of the seat plate 3; two opposite sides of the seat plate 3 are respectively provided with a side plate 9, and the two side plates 9 are connected with the seat plate 3 to form an n-shaped structure; 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 on the two side plates 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 side plates 9 are respectively provided with a handrail 5, the bottoms of the two side plates 9 are respectively provided with a roller 14, and the two rollers 14 are positioned on the same side plate 9, wherein one roller 14 is an electric driving wheel (a circle of rubber is wrapped outside an electric motor to form the electric driving wheel); the other roller 14 is a guide wheel; the two rollers 14 located at the front side of the two side plates 9 may be electric driving wheels, or the two rollers 14 located at the rear side of the two side plates 9 may be electric driving wheels.
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, as shown in fig. 3, the bottom of the seat plate 3 is provided with a spline transmission rod 17 along the horizontal direction, and the spline transmission rod 17 cannot be an optical axis; 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;
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.
Through the embodiment 3, when a person takes the plate-type 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 back plate 7 to rotate, and the angle adjustment between the back plate 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 3 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.
Meanwhile, the embodiment 3 of the invention can also realize the turnover of the seat plate 3 relative to the side plate 9, the driving mechanism 13-5 is started, the crank 13-4 is driven to rotate around the center of the fulcrum 13-1 by the driving mechanism 13-5, and the fulcrum 13-1 rotates along with the crank 13-4 to drive the seat plate body 3 to turn over; because the fulcrum shaft 13-1 is arranged at the position one third away from one end of the seat plate body 3, when a person stands up and stands, the space left by the seat plate body 3 after overturning can be enough for the person to stand, when the overturning 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 body 3 is overturned, the person can stand between the two side plates 9 by leaning on own strength, the person can stand for training without leaving the chair, and the periphery of the person is surrounded by other structures of the chair, thereby improving the safety.
When a person needs to stand by the aid of the wheelchair, the back plate 7, the seat plate 3 and the leg supporting plate 11 are displaced on the same plane in the vertical direction through the cooperation of the worm gear and worm speed reducer I15 and the worm gear and worm speed reducer II20, 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.
Example 4
As shown in fig. 4, 5 and 7, the seat comprises a seat plate 3, wherein two opposite sides of the seat plate 3 are respectively provided with a fulcrum 13-1, and the fulcrum 13-1 is located at a position which is one third of the width of the seat plate 3; two opposite sides of the seat plate 3 are respectively provided with a side plate 9, and the two side plates 9 are connected with the seat plate 3 to form an n-shaped structure; 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 on the two side plates 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 side plates 9 are respectively provided with a handrail 5, the bottoms of the two side plates 9 are respectively provided with a roller 14, and the two rollers 14 are positioned on the same side plate 9, wherein one roller 14 is an electric driving wheel (a circle of rubber is wrapped outside an electric motor to form the electric driving wheel); the other roller 14 is a guide wheel; the two rollers 14 located at the front side of the two side plates 9 may be electric driving wheels, or the two rollers 14 located at the rear side of the two side plates 9 may be electric driving wheels.
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, as shown in fig. 3, the bottom of the seat plate 3 is provided with a spline transmission rod 17 along the horizontal direction, and the spline transmission rod 17 cannot be an optical axis; 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;
the two opposite sides of the upper end of the leg supporting plate 11 are respectively provided with a leg plate ear 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 ear 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 ear plates 19, the lower end of the leg supporting plate 11 is connected with two pedals 12, the two pedals 12 cannot simultaneously limit the actions of the two feet, when people need to get off from the wheelchair, one foot can get off from a gap between the two pedals 12 and firstly land, and then get up to leave the wheelchair; the foot pedal 12 can be fixedly connected with the leg support plate 11, and the foot pedal 12 can also be connected with the leg support plate 11 through a pedal transmission shaft.
Based on embodiment 3, embodiment 4 is convenient for people to get off from the wheelchair.
Claims (9)
1. A wheelchair capable of assisting standing is characterized in that: the multifunctional sitting plate comprises a sitting plate, wherein two opposite sides of the sitting plate are respectively provided with a side plate, the upper ends of the two side plates are respectively provided with a handrail, the bottoms of the two side plates 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 the upper end of a leg supporting plate, and the lower end of the leg supporting plate is connected with a pedal;
the opposite two sides of the seat plate are respectively provided with a fulcrum shaft, the two fulcrum shafts are respectively connected with a group of driving components, the two groups of driving components are respectively arranged on the two side plates, and the two side plates are connected with the seat plate to form an n-shaped structure.
2. A standing-assisted wheelchair as claimed in claim 1, wherein: the spline transmission rod is connected with a driving mechanism.
3. A standing-assisted wheelchair as claimed in claim 2, wherein: the driving mechanism comprises a perforated output type turbine worm speed reducer I, and the spline transmission rod penetrates through the center of a turbine of the turbine worm speed reducer I.
4. A standing-assisted wheelchair as claimed in claim 1, wherein: the distance between the fulcrum shaft and the end parts of the two ends of the seat plate is different.
5. A standing-assisted wheelchair as claimed in claim 4, wherein: each group of driving assembly comprises an electric worm, the electric worm is matched with a turbine to form a turbine pair, and the turbine is sleeved on the fulcrum shaft.
6. A standing-assisted wheelchair as claimed in claim 5, wherein: a smooth area is arranged on the wheel surface of the turbine and is a matching blind area of the electric worm and the turbine.
7. A standing-assisted wheelchair as claimed in claim 4, wherein: each group of driving assembly comprises an electric push rod, the end part of a telescopic rod of the electric push rod is connected with one end of a crank, and the other end of the crank is connected with a support shaft.
8. A standing-assisted wheelchair as claimed in claim 4, wherein: each group of driving components comprises an air cylinder, the end part of a piston rod of the air cylinder is connected with one end of a crank, and the other end of the crank is connected with a fulcrum shaft.
9. A standing-assisted wheelchair as claimed in claim 4, wherein: each group of driving assemblies comprises an oil cylinder, the end part of a piston rod of the oil cylinder is connected with one end of a crank, and the other end of the crank is connected with a support shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110479886.2A CN113197739A (en) | 2021-04-30 | 2021-04-30 | Wheelchair capable of assisting standing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110479886.2A CN113197739A (en) | 2021-04-30 | 2021-04-30 | Wheelchair capable of assisting standing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113197739A true CN113197739A (en) | 2021-08-03 |
Family
ID=77030002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110479886.2A Pending CN113197739A (en) | 2021-04-30 | 2021-04-30 | Wheelchair capable of assisting standing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113197739A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113197458A (en) * | 2021-04-30 | 2021-08-03 | 西安万佳德实业有限公司 | Seat plate capable of being turned over |
-
2021
- 2021-04-30 CN CN202110479886.2A patent/CN113197739A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113197458A (en) * | 2021-04-30 | 2021-08-03 | 西安万佳德实业有限公司 | Seat plate capable of being turned over |
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