CN112451235A - Electric wheelchair capable of assisting standing - Google Patents
Electric wheelchair capable of assisting standing Download PDFInfo
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- CN112451235A CN112451235A CN202011448258.XA CN202011448258A CN112451235A CN 112451235 A CN112451235 A CN 112451235A CN 202011448258 A CN202011448258 A CN 202011448258A CN 112451235 A CN112451235 A CN 112451235A
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Classifications
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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
-
- 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
- A61G5/1005—Wheelchairs having brakes
-
- 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
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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
- A61G5/1089—Anti-tip devices
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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
Abstract
The invention discloses an electric wheelchair capable of assisting in standing, which comprises a wheelchair frame, electric wheels, a lifting device, a tilting device and a cushion, wherein the electric wheels are arranged on the wheelchair frame and used for driving the wheelchair frame to walk, the cushion is arranged on the tilting device, the tilting device is arranged on the lifting device, the tilting device is used for adjusting the longitudinal inclination angle of the cushion and always supporting the cushion on the rear side of a human body, and the lifting device is used for adjusting the height of the tilting device. When the electric wheelchair is used, the cushion can always keep supporting the human body in the sitting process, and the user can slowly adjust the posture to realize the conversion from the standing posture to the sitting posture; when the standing chair is difficult to stand after long-time sitting, two feet are stepped on the ground, the cushion can always provide reliable support for the rear side of a human body in the whole standing process, the standing chair is favorable for keeping the gravity center of the human body backward in the standing process and preventing the human body from falling forward, the standing assisting function is effectively achieved, and the standing stability and the standing safety are improved.
Description
Technical Field
The invention belongs to the technical field of wheelchairs, and particularly relates to an electric wheelchair capable of assisting in standing.
Background
By 2020, the population over 65 years old in China already exceeds 1.64 hundred million people, and the proportion of the population over 60 years old in the total population reaches 12.61%. It is expected that in 2025, people over 65 will break through 2 billion people, and china will become an ultra-old country. The problem of aging of the Chinese population is very urgent, and the proportion of the aged population to the total population is far higher than the international aging standard. There is a need for wheelchair improvement and improvement in quality of life for elderly people with impaired mobility. The existing wheelchair is also provided with an active power-assisted standing assisting function generally, the main improvement is that fixed armrests are designed on two sides of a seat, the old people share leg muscle load through arm force application when standing up, the standing assisting process is completed, the active power-assisted armrests are designed on two sides of the seat, the old people share leg muscle load through arm force application when standing up, and the standing assisting process is completed. Although the device can help the old to finish standing, not only needs to keep body balance in the use process, but also has higher requirements on the functions of upper limbs, has poorer standing assisting effect and has potential safety hazards of forward dumping.
In view of the above, there is a need for an electric wheelchair capable of assisting a person to stand, which can always support the rear side of the person in the standing process, and has a good standing assisting effect and improved standing safety.
Disclosure of Invention
In view of the above, the invention provides an electric wheelchair capable of assisting a person to stand, which can always support the rear side of the person in the standing process, has a good effect of assisting the person to stand, and improves the safety of standing.
The invention discloses an electric wheelchair capable of assisting in standing, which comprises a wheelchair frame, electric wheels, a lifting device, a tilting device and a cushion, wherein the electric wheels are installed on the wheelchair frame and used for driving the wheelchair frame to walk, the cushion is installed on the tilting device, the tilting device is installed on the lifting device, the tilting device is used for adjusting the longitudinal inclination angle of the cushion and always supporting the cushion on the rear side of a human body, and the lifting device is used for adjusting the height of the tilting device.
Furthermore, the tilting device comprises a base, a flip cover which is arranged on the base in a manner of rotating up and down and a rotation driving component which is arranged on the base and used for driving the flip cover to rotate, and the cushion is arranged on the flip cover.
Further, elevating gear includes backup pad and bottom suspension fagging, connects scissors lifter and the lift drive assembly that drives the scissors lifter lift between last backup pad and bottom suspension fagging, the scissors lifter is including being scissors form and normal running fit's drive rod and driven rod, driven rod lower extreme and bottom suspension fagging normal sliding fit, upper end and last backup pad normal sliding fit, drive rod upper end and last backup pad normal sliding fit, lower extreme are drive end and bottom suspension fagging normal sliding fit, the lift drive assembly is used for driving the drive end normal sliding of drive rod, the pedestal mounting is on last backup pad.
Further, the wheelchair frame is of a double-layer structure consisting of an upper mounting support and a lower mounting support which are connected with each other, a storage battery used for supplying power to the electric wheels is mounted on the lower mounting support, and the lifting device is mounted on the upper mounting support.
Furthermore, electronic round of wheel includes that running fit installs the wheel body on the wheelchair frame, with wheel body transmission complex driven gear, with two driving gears and two driving motor of driven gear meshing, two driving motors drive two driving gears respectively and rotate.
Further, the wheelchair frame further comprises handrails connected to the left side and the right side of the upper mounting support, the handrails comprise a lower handrail adapted to a sitting posture of a human body and an upper handrail assisting the human body to stand, and the upper handrail is located above the lower handrail.
Furthermore, the lifting driving assembly comprises a screw rod longitudinally extending on the lower supporting plate and a rotary driving piece driving the screw rod to rotate, a sliding block is arranged at the lower end of the driving rod in a rotating fit mode, the sliding block is longitudinally slidably arranged on the lower supporting plate, and the sliding block is in threaded transmission fit with the screw rod.
Further, the scissors lifter is transversely provided with two sets of, the horizontal both ends of slider respectively with the initiative pole normal running fit in the two sets of scissors lifter, screw rod and the horizontal central department screw thread drive fit of slider, vertically install two slide rails on the lower bolster, vertically seted up the spout on the slide rail, the horizontal both ends of slider respectively slidable mounting in the spout.
Further, the base comprises a bottom plate and a supporting edge which is vertically raised along the edge of the bottom plate, the flip cover is supported on the supporting edge when being horizontal, and a weight reduction groove is formed in the supporting edge.
The invention has the beneficial effects that:
when the electric wheelchair is used, a user only needs to stand in front of the wheelchair in the sitting process, the body slowly leans against the ascending and inclining cushion, then the cushion is adjusted to be in a horizontal state and the height of the cushion is adjusted, the body slowly descends along with the descending of the cushion until the body reaches a comfortable position, the cushion can always keep supporting the human body in the sitting process, and the user can slowly adjust the posture to realize the conversion from the standing posture to the sitting posture; when the sitting is difficult to stand after long-time sitting, two feet are stepped on the ground, the seat is adjusted to be inclined, the height of the seat is adjusted, the body is lifted along with the cushion until the body reaches a proper standing position, the cushion can always provide reliable support for the rear side of the human body in the whole standing process, the gravity center of the human body is kept backward in the standing process, the forward leaning and falling are prevented, the function of assisting standing is effectively achieved, and the standing stability and safety are improved;
drawings
The invention is further described below with reference to the figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of an electric wheel structure;
FIG. 3 is a schematic view of an electric wheel transmission;
FIG. 4 is a schematic view of the lifting device;
FIG. 5 is a perspective view of the lifting device;
FIG. 6 is a schematic view of a tilting device;
Detailed Description
In the embodiment, an electric wheelchair capable of assisting in standing is provided, which comprises a wheelchair frame 300, electric wheels 400, a lifting device 100, a tilting device 200 and a seat cushion, wherein the electric wheels are installed on the wheelchair frame and used for driving the wheelchair frame to walk, the seat cushion is installed on the tilting device, the tilting device is installed on the lifting device, the tilting device is used for adjusting a longitudinal inclination angle of the seat cushion and always supporting the seat cushion on the rear side of a human body, and the lifting device is used for adjusting the height of the tilting device. The longitudinal direction and the transverse direction are two directions which are vertical to each other in the horizontal direction, the longitudinal direction is the front and back direction of the wheelchair by taking the wheelchair as reference, and the transverse direction is the left and right direction of the wheelchair; the frame is made of high-strength zinc alloy, so that the frame has enough strength during running, deformation does not occur, the rusting phenomenon of the material is improved, and the quality and the attractiveness of the whole wheelchair are ensured; in addition, the electric wheel adopts electric energy as energy, and is free of noise, pollution and public nuisance, and green and environment-friendly; the body of the cushion adopts space memory cotton, the shape of the upper part of the cushion accords with human engineering, the cushion can be directly integrated on the tilting device or the cushion is an independent structure and is fixedly arranged on the tilting device, and the lifting device can ensure that the height of the cushion is used for people with different heights and is suitable for different occasions;
as shown in the attached drawing, when the electric wheelchair is used, a user only needs to stand in front of the wheelchair in the sitting process, the body slowly leans against the ascending and inclining cushion, then the cushion is adjusted to be in a horizontal state, the height of the cushion is adjusted, the body slowly descends along with the descending of the cushion, the user can stop pressing the descending button when the body reaches a comfortable position, the user sits at a comfortable position, the cushion can always support the human body in the sitting process, and the user can slowly adjust the posture to realize the conversion from the standing posture to the sitting posture; when the sitting is difficult to stand after long-time sitting, two feet are stepped on the ground, the seat is adjusted to be inclined, the height of the seat is adjusted, the body is lifted along with the cushion until the body reaches a proper standing position, the cushion can always provide reliable support for the rear side of the human body in the whole standing process, the gravity center of the human body is kept backward in the standing process, the forward leaning and falling are prevented, the function of assisting standing is effectively achieved, and the standing stability and safety are improved;
in this embodiment, the tilting device includes a base 201, a flip cover 202 mounted on the base in a manner of being able to rotate up and down, and a rotation driving component 203 mounted on the base for driving the flip cover to rotate, and the seat cushion is mounted on the flip cover. As shown in the attached drawings, the base is arranged on the lifting device, and the rotation driving component can adopt a motor or other known structures; in the process of standing, the angle of the turnover cover can be adjusted simultaneously so as to adjust the posture of the seat, the turnover cover can be adjusted to adapt to the conversion of a human body from a sitting posture to a standing posture and also can adapt to the conversion of the human body from the standing posture to the sitting posture, and the slow conversion of the standing posture and the sitting posture can be realized by an assistant user.
In this embodiment, elevating gear includes backup pad 101 and bottom suspension fagging 102, connects the scissors lifter and the lift drive assembly that drives the scissors lifter between last backup pad and bottom suspension fagging and goes up and down, the scissors lifter is including being scissors form and normal running fit's drive rod 103 and driven rod 104, driven rod lower extreme and bottom suspension fagging normal running fit, upper end and last backup pad normal running fit, drive rod upper end and last backup pad normal running fit, lower extreme are drive end and bottom suspension fagging normal running fit, the drive end normal running that lift drive assembly is used for driving the drive rod, base 201 installs on last backup pad. Combine the figure shown, the lift drive assembly is used for the initiative end slip of sharp drive initiative pole, drive the corresponding longitudinal sliding in upper end of driven lever, and then adjust the intersection angle of initiative pole and driven lever, adjust the distance between backup pad and the bottom suspension fagging, this structure turns into the elevating movement of scissors lifter through the longitudinal linear motion with the initiative end of initiative pole, do benefit to and reduce the vertical installation space between backup pad and the bottom suspension fagging, improve elevating gear's compact structure nature, do benefit to the height of adjusting wheelchair seat through this structure, with adaptation user's different use scenes.
In this embodiment, the wheelchair frame 300 has a double-layered structure formed by an upper mounting bracket 301 and a lower mounting bracket 302 connected to each other, the lower mounting bracket is mounted with a battery 500 for supplying power to the electric wheels, and the lifting device 100 is mounted on the upper mounting bracket. Wherein the front side of the lower layer mounting bracket extends forwards to form a supporting pedal 305, and the structure of the wheelchair frame has clear layers and is beneficial to the spatial layout of each unit.
In this embodiment, the electric wheel includes a wheel body 401 rotatably mounted on the wheelchair frame, a driven gear 402 in transmission fit with the wheel body, two driving gears 403 engaged with the driven gear, and two driving motors 404, where the two driving motors drive the two driving gears to rotate respectively. As shown in the attached drawings, two electric wheels are installed on the rear side below the wheelchair frame, two universal wheels 600 are installed on the front side below the wheelchair frame, a driving gear and a driven gear are both installed in a reducer casing 405, the driving gear, the driven gear and the reducer casing form a reducer, wherein the reducer casing is externally connected with a fixing plate 406, the reducer casing is connected with the whole fixing plate through four screws, four screw holes are additionally arranged on the fixing plate, the fixing plate is fixed on a steering column through the screws, and the steering column is rotationally matched with the wheelchair frame and can be driven to rotate to realize steering; two input shafts of the motor are parallel to an output shaft of the reducer, the output shaft of the reducer is in transmission fit with a driven wheel gear and a wheel body, and torque coupling is realized by matching double motors with the reducer, so that the maneuvering performance of the electric wheel is improved, and sufficient power is provided for the wheelchair;
in this embodiment, the wheelchair frame 300 further includes armrests connected to the left and right sides of the upper mounting bracket 301, and the armrests include a lower armrest 303 adapted to the sitting posture of a human body and an upper armrest 304 for assisting the human body to stand, and the upper armrest is located above the lower armrest. As shown in the attached drawing, the upper mounting bracket and the lower mounting bracket are connected through a stand column, the rear side of the upper handrail is also connected with a push handle 306, the rear sides of the upper mounting bracket and the lower mounting bracket are connected with a backrest frame 307, a backrest cushion 308 is mounted on the backrest frame, the lower handrail is provided with a handrail cushion for supporting arms in a sitting posture, the upper handrail is higher than the lower handrail for supporting a human body to stand, and the structure can also assist the human body to share the muscle load of legs through arm force application.
In this embodiment, the lifting driving assembly includes a screw 105 mounted on the lower support plate and extending longitudinally, and a rotary driving member 106 for driving the screw to rotate, a sliding block 107 is rotatably fitted at the lower end of the driving rod, the sliding block is longitudinally slidably mounted on the lower support plate, and the sliding block is in threaded transmission fit with the screw. It is shown in the combined drawing, the screw rod both ends are passed through bearing normal running fit and are installed on the bearing frame, the bearing frame is installed on the bottom suspension fagging, the rotation driving piece adopts the motor, wherein the motor is installed on the bottom suspension fagging, the motor passes through the reduction gear with power take off to the screw rod on and the drive screw rotates, drive slider is along bottom suspension fagging longitudinal sliding when the screw rod rotates, and then it slides to drive the initiative pole lower extreme, realize adjusting the purpose of initiative pole and driven lever scissors contained angle, this structure turns into the up-and-down motion of scissors lifter with the rotary motion of screw rod, its lift stationarity is good.
In this embodiment, the rotation driving assembly includes a telescopic rod 203 installed in a longitudinally inclined manner for driving the turning cover to rotate, the lower end of the telescopic rod is rotatably matched with the base, and the upper end of the telescopic rod is rotatably matched with the bottom of the turning cover; the base is provided with an elastic buffer member 204 which is used for forming elastic buffer when the flip cover rotates downwards; the elastic buffer parts are provided with two elastic buffer parts which are respectively positioned at the two transverse sides of the telescopic rod. The telescopic rod can be a hydraulic cylinder or an existing electric telescopic rod, as shown in the attached drawing, the front part of the turnover cover is in rotating fit with the front part of the base, the lower end of the telescopic rod is in rotating fit with the position, close to the rear side, of the base, and the mounting position of the upper end of the telescopic rod is matched with the mounting position of the lower end of the telescopic rod, so that the turnover cover can be driven to rotate in the telescopic process of the; the elastic buffer part can adopt a known elastic structure such as a spiral spring or a reed, and the like, and in the embodiment, the elastic buffer part adopts the spiral spring, and the rubber sleeve is sleeved outside the spring, so that the influence of foreign matters on the elastic buffer force is prevented, the safety of a user is better facilitated, the force born by a single spring is about 20kg, and the impact force caused by sitting or too fast turning over is effectively buffered; the flip cover has elastic buffering force in the downward rotation process through the elastic buffering part, so that the flip cover is prevented from rigidly colliding with the base; the two elastic buffer parts provide uniform elastic buffer force for the flip cover.
In this embodiment, the scissors lifter transversely is provided with two sets ofly, the horizontal both ends of slider respectively with the initiative pole normal running fit in the two sets of scissors lifter, screw rod and the horizontal central department screw thread drive cooperation of slider, vertically install two slide rails 109 on the lower bolster, vertically seted up spout 109a on the slide rail, the horizontal both ends of slider slidable mounting respectively in the spout. In this implementation, two sets of scissors lifter have formed four strong points respectively to last backup pad and bottom suspension fagging, do benefit to the connection stability who improves upper and lower backup pad. The slider is the shaft-like structure of rectangular shape, and wherein the slider is connected between two drive rods, has formed frame construction between two drive rods, slider and the last backup pad, can improve whole elevating gear's structural stability, and this structure can go up and down in step through two scissors elevating gear of a slider synchronous drive in addition, improves the stationarity that the backup pad goes up and down.
In this embodiment, the slide rail is an angle steel, a straight edge of the angle steel is welded on the lower support plate, and the slide rail may also adopt structures such as i-steel or channel steel, which are not specifically described; the slide rail realizes the directional sliding of the slide block, and the motion precision of the slide block is improved. In addition, the vertical plate of the sliding rail is provided with sliding grooves, and the two sliding grooves support the two transverse ends of the sliding block and are also used for guiding the sliding direction of the sliding block.
In this embodiment, the sliding block is connected with sliding shafts 110 at two transverse ends, the sliding shafts are in running fit with the driving end of the driving rod, and the sliding shafts are located in the sliding grooves and in sliding fit with the sliding grooves. As shown in the attached drawing, the sliding shaft is a cylindrical shaft, the sliding shaft is sleeved in the driving end of the driving rod, so that the sliding shaft and the driving rod form a rotating fit, and the sliding shaft is located in the sliding groove, so that friction between the sliding shaft and the sliding groove in the sliding process can be reduced.
In this implementation, the chute is a transverse through structure, the sliding shaft passes through the chute and is in running fit with the roller 111, and the roller is supported on the lower support plate or the sliding rail in a rolling manner. The roller can adopt a rubber wheel or a bearing, the roller rolls and is supported on the horizontal edge of the sliding rail, and the roller rolls horizontally along the sliding rail in the sliding process of the sliding block, so that the friction resistance between the sliding block and the sliding rail can be reduced. Corresponding sliding rails and sliding blocks are also arranged between the upper end of the driven rod and the upper supporting plate, the upper end of the driven rod is the same as the sliding fit structure of the upper supporting plate and the sliding fit structure of the lower end of the driving rod and the lower supporting plate, and the upper end of the driven rod and the upper supporting plate are in a vertical mirror image relationship with each other and are not described in detail;
in this embodiment, two travel stops 108 for limiting the sliding travel of the slider are longitudinally arranged on the lower support plate, and the slider is located between the two travel stops in the longitudinal direction. As shown in the attached drawings, in the present embodiment, the stroke stop block is made of i-steel, the i-steel is welded on the lower support plate, and other existing profiles may be used for the stroke stop block, which is not specifically described; the two stroke stop blocks are used for limiting the longitudinal front and back sliding stroke of the sliding block, the lifting height of the upper supporting plate and the lower supporting plate is favorably controlled, and buffer rubber can be attached to one side, close to the sliding block, of the stroke stop blocks so as to prevent the sliding block from rigidly colliding with the stroke stop blocks.
In this embodiment, the base includes a bottom plate 201a and a supporting edge 201b protruding vertically along the bottom plate edge, the flip is supported on the supporting edge when the flip is horizontal, and the supporting edge is provided with a weight reduction groove 206. The base plate is of a rectangular structure, the four sides of the base plate are provided with supporting edges, the middle of the base of the structure forms an installation space, the installation of the telescopic rod is facilitated, the structural strength and rigidity of the base plate can be improved through the supporting edges, and the supporting edges can support the flip, so that enough installation space is reserved between the flip and the base when the flip is horizontal; the left and right sides of the bottom plate and the middle position of the upper edge of the rear support edge are provided with weight reduction grooves, the weight reduction grooves can reduce the overall weight of the tilting device, and the tilting device is favorable for installation of the flip cover to form avoidance.
In this embodiment, the bottom plate 201a is fixedly connected with a reinforcing rib i 205. The strengthening rib I is steel bar structure, and bottom plate upper surface welded connection has two intercrossing's billet, improves the structural strength and the rigidity at bottom plate middle part through this structure, and of course, the strengthening rib also can with bottom plate integrated into one piece.
In this embodiment, the bottom of the flip cover is connected with two transversely arranged reinforcing ribs ii 207, an articulated shaft is transversely connected between the two reinforcing ribs ii, and the articulated shaft is rotatably matched with the upper end of the telescopic rod. Through two strengthening ribs II, the structural strength and the rigidity of the flip cover are improved, and the upper end of the telescopic rod is in fit with the flip cover in a rotating mode as an installation base body of the hinge shaft.
In this embodiment, the reinforcing rib ii is an angle steel, the horizontal edge of angle steel is fixed connection in flip bottom, is connected with the articulated shaft between the stile of two angle steels. An installation channel is formed between the vertical edges of the two angle steels, and the installation and the positioning of the telescopic rod are facilitated.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. An electric wheelchair capable of assisting in standing is characterized in that: including wheelchair frame, electronic round, elevating gear, tilting device and cushion, electronic round is installed and is used for driving the walking of wheelchair frame on the wheelchair frame, the cushion is installed on the tilting device, the tilting device is installed on elevating gear, the tilting device is used for adjusting the vertical inclination of cushion and makes the cushion support in human rear side all the time, elevating gear is used for adjusting the height of tilting device.
2. The assisted-standing electric wheelchair as claimed in claim 1, wherein: the tilting device comprises a base, a turnover cover and a rotation driving component, wherein the turnover cover is arranged on the base in a vertical rotation mode, the rotation driving component is arranged on the base and is used for driving the turnover cover to rotate, and the cushion is arranged on the turnover cover.
3. The assisted-standing electric wheelchair as claimed in claim 2, wherein: elevating gear includes backup pad and bottom suspension fagging, connects the scissors lifter and the lift drive assembly that drives the scissors lifter lift between last backup pad and bottom suspension fagging, the scissors lifter is including being scissors form and normal running fit's initiative pole and driven lever, driven lever lower extreme and bottom suspension fagging normal sliding fit, upper end and last backup pad, initiative pole upper end and last backup pad normal sliding fit, the lower extreme is initiative end and bottom suspension fagging normal sliding fit, lift drive assembly is used for driving the initiative end normal sliding of initiative pole, the pedestal mounting is on last backup pad.
4. The assisted-standing electric wheelchair as claimed in claim 3, wherein: the wheelchair frame is a double-layer structure formed by an upper mounting bracket and a lower mounting bracket which are connected with each other, the lower mounting bracket is provided with a storage battery used for supplying power for the electric wheels, and the lifting device is arranged on the upper mounting bracket.
5. The assisted-standing electric wheelchair as claimed in claim 4, wherein: the electric wheel comprises a wheel body which is arranged on the wheelchair frame in a rotating fit manner, a driven gear which is in transmission fit with the wheel body, two driving gears which are meshed with the driven gear, and two driving motors, wherein the two driving motors drive the two driving gears to rotate respectively.
6. The assisted-standing electric wheelchair as claimed in claim 4, wherein: the wheelchair frame further comprises handrails connected to the left side and the right side of the upper mounting support, the handrails comprise lower handrails adapted to the sitting posture of a human body and upper handrails assisting the human body to stand, and the upper handrails are located above the lower handrails.
7. The assisted-standing electric wheelchair as claimed in claim 3, wherein: the lifting driving assembly comprises a screw rod longitudinally extending on the lower supporting plate and a rotary driving piece driving the screw rod to rotate, a sliding block is arranged at the lower end of the driving rod in a rotating fit mode, the sliding block is longitudinally slidably mounted on the lower supporting plate, and the sliding block is in threaded transmission fit with the screw rod.
8. The assisted-standing electric wheelchair as claimed in claim 2, wherein: the rotary driving component comprises a telescopic rod which is longitudinally and obliquely arranged and used for driving the turnover cover to rotate, the lower end of the telescopic rod is in rotary fit with the base, and the upper end of the telescopic rod is in rotary fit with the bottom of the turnover cover; the base is provided with an elastic buffer part which is used for forming elastic buffer when the flip cover rotates downwards; the elastic buffer parts are provided with two elastic buffer parts which are respectively positioned at the two transverse sides of the telescopic rod.
9. The assisted-standing electric wheelchair as claimed in claim 7, wherein: the scissors lifting rods are transversely provided with two groups, the transverse two ends of the sliding block are respectively in running fit with the driving rods in the two groups of scissors lifting rods, the screw rod is in threaded transmission fit with the transverse center of the sliding block, the lower supporting plate is longitudinally provided with two sliding rails, the sliding rails are longitudinally provided with sliding grooves, and the transverse two ends of the sliding block are respectively slidably mounted in the sliding grooves.
10. The assisted-standing electric wheelchair as claimed in claim 8, wherein: the base comprises a bottom plate and a supporting edge which is vertically raised along the edge of the bottom plate, the flip cover is supported on the supporting edge when being horizontal, and a weight reduction groove is formed in the supporting edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011448258.XA CN112451235A (en) | 2020-12-11 | 2020-12-11 | Electric wheelchair capable of assisting standing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011448258.XA CN112451235A (en) | 2020-12-11 | 2020-12-11 | Electric wheelchair capable of assisting standing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112451235A true CN112451235A (en) | 2021-03-09 |
Family
ID=74801887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011448258.XA Pending CN112451235A (en) | 2020-12-11 | 2020-12-11 | Electric wheelchair capable of assisting standing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112451235A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113367915A (en) * | 2021-06-04 | 2021-09-10 | 芜湖拓谷机器人科技有限公司 | A wisdom endowment seat for assisting old person rises |
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