CN111388219A - Lifting structure suitable for wheelchair - Google Patents

Lifting structure suitable for wheelchair Download PDF

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Publication number
CN111388219A
CN111388219A CN202010239343.9A CN202010239343A CN111388219A CN 111388219 A CN111388219 A CN 111388219A CN 202010239343 A CN202010239343 A CN 202010239343A CN 111388219 A CN111388219 A CN 111388219A
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CN
China
Prior art keywords
wheelchair
sliding
rod
seat frame
hinged
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
CN202010239343.9A
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Chinese (zh)
Inventor
王忠胜
蒋进良
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.)
Foshan Dahao Medical Technology Co ltd
Original Assignee
Foshan Dahao Medical Technology 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 Foshan Dahao Medical Technology Co ltd filed Critical Foshan Dahao Medical Technology Co ltd
Priority to CN202010239343.9A priority Critical patent/CN111388219A/en
Publication of CN111388219A publication Critical patent/CN111388219A/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
    • A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/006—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs convertible to stretchers or beds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—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
    • A61G5/1051—Arrangements for steering
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1056—Arrangements for adjusting the seat
    • A61G5/1059—Arrangements for adjusting the seat adjusting the height of the seat
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1056—Arrangements for adjusting the seat
    • A61G5/1067—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
    • A61G2203/00—General characteristics of devices
    • A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort

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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)
  • Invalid Beds And Related Equipment (AREA)

Abstract

The invention relates to the technical field of living goods, in particular to a lifting structure suitable for a wheelchair, which comprises a wheelchair body, wherein the wheelchair body comprises a chair back frame, a chair seat frame and a foot rest assembly which are sequentially connected, one end of the chair seat frame is connected with the chair back frame, the other end of the chair seat frame is connected with the foot rest assembly, the chair seat frame is connected with a sliding wheel assembly, and a lifting device and a sliding support device for supporting the wheelchair are arranged between the chair seat frame and the sliding wheel assembly. By adopting the invention, the wheelchair can be lifted conveniently, the support is stable, and the operation is convenient.

Description

Lifting structure suitable for wheelchair
Technical Field
The invention relates to the technical field of articles for daily use, in particular to a lifting structure suitable for a wheelchair.
Background
Wheelchairs are chairs equipped with wheels to help replace walking and are classified into electric and manual folding wheelchairs. The wheelchair not only meets the requirements of physical disabilities and mobility-handicapped people for riding instead of walking, but also is more important to facilitate the family members to move and take care of the patients, so that the patients can do physical exercises and participate in social activities by means of the wheelchair.
The electric wheelchair is formed by superposing a high-performance energy power driving device, an intelligent operating device, a battery and the like on the basis of the traditional manual wheelchair and is formed by modification and upgrading. The novel intelligent wheelchair with the functions of advancing, retreating, steering, standing and the like can be driven by manually operating the intelligent controller, and is a high-tech product combining the fields of modern precision machinery, intelligent numerical control, engineering mechanics and the like. However, the existing wheelchair is generally fixed in height and cannot be lifted.
Disclosure of Invention
The invention aims to provide a lifting structure suitable for a wheelchair, which can be used for conveniently lifting the wheelchair, is stable in support and convenient to operate.
The embodiment of the invention is realized by the following steps:
the utility model provides a lift structure suitable for wheelchair, includes the wheelchair body, and the wheelchair body is including the back of the chair frame, seat frame and the foot rest subassembly that connect gradually, and seat frame one end is connected with back of the chair frame, and the seat frame other end is connected with the foot rest subassembly, and seat frame is connected with the slip wheel subassembly, is equipped with elevating gear and is used for carrying out the slip strutting arrangement that supports to the wheelchair between seat frame and the slip wheel subassembly.
Further, in some embodiments of the present invention, the sliding support device includes a first support rod, one end of the first support rod is hinged to the seat frame, and the other end of the first support rod is slidably connected to the sliding wheel assembly.
Further, in some embodiments of the present invention, the sliding support device further includes a second sliding rod and a first sliding sleeve, the second sliding rod is connected to the sliding wheel assembly, the first sliding sleeve is hinged to an end of the first support rod away from the seat frame, and the first sliding sleeve is disposed on the second sliding rod and can slide along the second sliding rod.
Further, in some embodiments of the present invention, the sliding support device further includes a second support rod, a first sliding rod, and a second sliding sleeve, one end of the second support rod is hinged to the sliding wheel assembly, and the other end of the second support rod is hinged to the second sliding sleeve; the first sliding rod is connected with the chair seat frame, and the second sliding sleeve is sleeved on the first sliding rod and can slide along the first sliding rod.
Further, in some embodiments of the present invention, the lifting device includes a second telescopic pushing rod, one end of the second telescopic pushing rod is fixed to the sliding wheel assembly, and the other end of the second telescopic pushing rod is fixed to the seat frame.
Further, in some embodiments of the present invention, the above-mentioned device further includes a first connecting rod, a second connecting rod, a third connecting rod, and a fourth connecting rod, and the foot rest assembly includes a foot bracket and a foot rest; the chair seat frame is rotatably connected with the foot bracket, one end of the four connecting rods is fixed on the chair back frame, the other ends of the four connecting rods are hinged with one end of the two connecting rods, the other ends of the two connecting rods are hinged with the three connecting rods, and the other ends of the three connecting rods are fixed on the foot bracket; the foot bracket is rotatably connected with the pedal frame, one end of a connecting rod is hinged with the chair seat frame, and the other end of the connecting rod is hinged with the pedal frame; the first connecting rod is parallel to the plane where the foot bracket is located and the first connecting rod is arranged on the inward side of the foot bracket.
Further, in some embodiments of the present invention, the seat further includes a first telescopic push rod, the first bracket is fixed to the seat frame, one end of the first telescopic push rod is hinged to the first bracket, and the other end of the first telescopic push rod is hinged to the seat back frame.
Further, in some embodiments of the present invention, the seat back frame further comprises a grab bar, and the grab bar is rotatably disposed on the seat back frame.
Further, in some embodiments of the present invention, the seat further comprises an auxiliary support rod, one end of the auxiliary support rod is hinged to the armrest rod, and the other end of the auxiliary support rod is hinged to the seat frame.
Further, in some embodiments of the present invention, the wheelchair further includes an auxiliary wheel support and an auxiliary wheel, the auxiliary wheel support is fixed to the grab bar, the auxiliary wheel is connected to the auxiliary wheel support, and when the wheelchair integrally rotates to a horizontal state, the lowest end of the auxiliary wheel and the lowest end of the sliding wheel are in a same plane.
The embodiment of the invention at least has the following advantages or beneficial effects:
the embodiment of the invention provides a lifting structure suitable for a wheelchair, which comprises a wheelchair body, wherein the wheelchair body comprises a chair back frame, a chair seat frame and a foot rest assembly which are sequentially connected, one end of the chair seat frame is connected with the chair back frame, the other end of the chair seat frame is connected with the foot rest assembly, the chair seat frame is connected with a sliding wheel assembly, and a lifting device and a sliding support device for supporting the wheelchair are arranged between the chair seat frame and the sliding wheel assembly.
Because the user is patient mostly, when the user shifts to the wheelchair from the sick bed or shifts to the bed from the wheelchair occasionally the difference in height, through setting up elevating gear and slip strutting arrangement, the user of being convenient for adjusts the height of wheelchair as required, and the user's of being convenient for removal, and wheelchair lift in-process slip strutting arrangement supports the wheelchair moreover, makes the wheelchair more stable. So can be convenient for the lift of wheelchair, support stably, convenient operation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of a wheelchair in a chair configuration in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of a wheelchair according to an embodiment of the present invention in a horizontal position;
fig. 3 is a front view of the lifting device and the sliding support device;
FIG. 4 is a schematic view of the structure of the two positions of the connecting rod when the wheelchair is in the horizontal state;
FIG. 5 is a schematic view of a position of the connecting rod of the wheelchair of FIG. 1 in a chair state;
FIG. 6 is a schematic elevation of the wheelchair in a horizontal position;
figure 7 is a schematic view of the wheelchair in the chair position after it has been raised.
Icon: 1-a chair seat frame, 2-a chair back frame, 3-a foot bracket, 4-a pedal frame, 5-a wheelchair support, 6-a sliding wheel, 7-a connecting rod I, 8-a connecting rod II, 9-a connecting rod III, 10-a connecting rod IV, 11-a support I, 12-a first telescopic push rod, 13-a second telescopic push rod, 14-a first sliding rod, 15-a second sliding rod, 16-a first sliding sleeve, 17-a second sliding sleeve, 18-a first supporting rod, 19-a second supporting rod, 20-a handrail rod, 21-an auxiliary supporting rod, 22-an auxiliary wheel, 23-an auxiliary wheel support, 24-a defecation port, 25-a excrement collecting barrel and 26-a storage battery.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the orientations or positional relationships are only used for convenience of describing the present invention and simplifying the description, but the terms do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operate, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, "a plurality" represents at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Examples
Referring to fig. 1 to 7, the present embodiment provides a lifting structure for a wheelchair, including a wheelchair body, the wheelchair body includes a back frame 2, a seat frame 1 and a leg frame assembly, which are connected in sequence, one end of the seat frame 1 is connected to the back frame 2, the other end of the seat frame 1 is connected to the leg frame assembly, the seat frame 1 is connected to a sliding wheel assembly, and a lifting device and a sliding support device for supporting the wheelchair are disposed between the seat frame 1 and the sliding wheel assembly.
Because the user is patient mostly, when the user shifts to the wheelchair from the sick bed or shifts to the bed from the wheelchair occasionally the difference in height, through setting up elevating gear and slip strutting arrangement, the user of being convenient for adjusts the height of wheelchair as required, and the user's of being convenient for removal, and wheelchair lift in-process slip strutting arrangement supports the wheelchair moreover, makes the wheelchair more stable. So can be convenient for the lift of wheelchair, support stably, convenient operation.
The sliding wheel assembly of the present embodiment comprises a sliding wheel 6 and a wheelchair frame 5, and the sliding wheel 6 is connected with the wheelchair frame 5.
As a preferred embodiment, the sliding support device of the present embodiment includes a first support rod 18, one end of the first support rod 18 is hinged to the seat frame 1, and the other end of the first support rod 18 is slidably connected to the sliding wheel assembly.
The working principle is as follows: when the lifting device pushes the wheelchair to ascend, the seat frame 1 ascends, at the moment, the first supporting rod 18 slides along the sliding wheel assembly, and the first supporting rod 18 slowly erects to support the seat frame 1, so that the whole wheelchair is more stable, and the safety of the wheelchair in the using process is improved.
As a preferred embodiment, the sliding support device of this embodiment further includes a second sliding rod 15 and a first sliding sleeve 16, the second sliding rod 15 is connected to the sliding wheel assembly, the first sliding sleeve 16 is hinged to an end of the first support rod 18 away from the seat frame 1, and the first sliding sleeve 16 is disposed on the second sliding rod 15 and can slide along the second sliding rod 15.
The present invention facilitates the sliding of the first support rod 18 along the second sliding rod 15 by providing the second sliding rod 15 and the first sliding sleeve 16.
Alternatively, the second sliding rod 15 is rotatably provided to the sliding wheel assembly, for example, both ends of the second sliding rod 15 are fixed to the sliding wheel assembly through bearings. When the first support bar 18 slides along the second sliding bar 15, the second sliding bar 15 can rotate, which further facilitates the sliding of the first sliding sleeve 16 on the second sliding bar 15.
As a preferred embodiment, the sliding support device of this embodiment further includes a second support rod 19, a first sliding rod 14 and a second sliding sleeve 17, one end of the second support rod 19 is hinged to the sliding wheel assembly, and the other end of the second support rod 19 is hinged to the second sliding sleeve 17; the first sliding rod 14 is connected with the seat frame 1, and the second sliding sleeve 17 is sleeved on the first sliding rod 14 and can slide along the first sliding rod 14.
According to the invention, the second support rod 19 is arranged and matched with the first support rod 18 to support the seat frame 1, so that the whole wheelchair is more stable, and the safety of the wheelchair in the use process is improved.
Alternatively, the first sliding rod 14 is rotatably disposed on the seat frame 1, for example, both ends of the first sliding rod 14 are fixed to the seat frame 1 through bearings. When the second support rod 19 slides along the first sliding rod 14, the first sliding rod 14 can rotate, which is more beneficial to the sliding of the second sliding sleeve 17 on the first sliding rod 14.
As a preferred embodiment, the lifting device of the present embodiment includes a second telescopic pushing rod 13, one end of the second telescopic pushing rod 13 is fixed to the sliding wheel assembly, and the other end of the second telescopic pushing rod 13 is fixed to the seat frame 1.
According to the invention, the second telescopic push rod 13 is arranged, so that the lifting adjustment of the chair seat frame 1 is facilitated.
Preferably, the present embodiment further includes a battery 26, the second telescopic push rod 13 is an electro-hydraulic rod, and the second telescopic push rod 13 is electrically connected to the battery 26. The second telescopic push rod 13 is arranged and adopts an electric hydraulic rod, so that the wheelchair can be conveniently lifted.
As a preferred embodiment, the present embodiment further includes a first connecting rod 7, a second connecting rod 8, a third connecting rod 9, and a fourth connecting rod 10, wherein the foot rest assembly includes a foot bracket 3 and a foot rest 4; the chair seat frame 1 is rotatably connected with the foot bracket 3, one end of a connecting rod IV 10 is fixed on the chair back frame 2, the other end of the connecting rod IV 10 is hinged with one end of a connecting rod II 8, the other end of the connecting rod II 8 is hinged with a connecting rod III 9, and the other end of the connecting rod III 9 is fixed on the foot bracket 3; the foot bracket 3 is rotatably connected with the pedal frame 4, one end of a first connecting rod 7 is hinged with the chair seat frame 1, and the other end of the first connecting rod 7 is hinged with the pedal frame 4; the first connecting rod 7 is parallel to the plane of the foot bracket 3 and the first connecting rod 7 is arranged on the inward side of the foot bracket 3.
When the wheelchair needs to be integrally rotated to be in a lying state, the back frame 2 is rotated until the back frame 2 and the seat frame 1 are in the same plane, and when the back frame 2 rotates, one end of the connecting rod IV 10 is fixed on the back frame 2, and at the moment, the connecting rod IV 10 rotates along with the rotation of the back frame 2; because the other end of the connecting rod IV 10 is hinged with one end of the connecting rod II 8, the other end of the connecting rod II 8 is hinged with the connecting rod III 9, and the other end of the connecting rod III 9 is fixed on the foot bracket 3, the connecting rod II 8 can be pushed to move towards the connecting rod III 9 in the rotating process of the connecting rod IV 10, and the connecting rod III 9 further pushes the foot bracket 3 to rotate along the joint with the chair seat frame 1 until the foot bracket 3 and the chair seat frame 1 are positioned on the same plane.
When the foot bracket 3 rotates, one end of the first connecting rod 7 is hinged with the chair seat frame 1, and the other end of the first connecting rod 7 is hinged with the pedal frame 4; the first connecting rod 7 is parallel to the plane where the first foot bracket 3 is located, the first connecting rod 7 is arranged on the inward side of the first foot bracket 3, in the process that the first foot bracket 3 rotates to be located on the same plane with the seat frame 1, the pedal frame 4 gradually rotates along the joint with the first foot bracket 3 until the pedal frame 3 is located on the same plane, and at the moment, the back frame 2, the seat frame 1, the first foot bracket 3 and the pedal frame 4 are located on the same plane.
When the wheelchair is required to be integrally rotated to be in a chair state, the operations are performed in the opposite way according to the steps. So can be as required with the whole flat state or the chair state of turning into of wheelchair, be fit for patient's flat lie on the wheelchair or sit on the wheelchair, increase the application scope of wheelchair.
As a preferred embodiment, the present embodiment further includes a first telescopic push rod 12, the seat frame 1 is fixed with a first bracket 11, one end of the first telescopic push rod 12 is hinged to the first bracket 11, and the other end of the first telescopic push rod 12 is hinged to the back frame 2.
The working principle is as follows: the first telescopic push rod 12 is adjusted to enable the first telescopic push rod 12 to be contracted, the first support 11 is fixed on the seat frame 1, one end of the first telescopic push rod 12 is hinged to the first support 11, the other end of the first telescopic push rod 12 is hinged to the back of the chair frame 2, the length of the contracted first telescopic push rod 12 is shortened, the back of the chair frame 2 rotates along the joint of the back of the chair frame 2 and the seat frame 1 under the pulling force of the first telescopic push rod 12 until the back of the chair frame 2 and the seat frame 1 are located on the same plane.
As a preferred embodiment, the present embodiment further includes a grab bar 20, and the grab bar 20 is rotatably disposed on the seat back frame 2.
According to the invention, the arrangement of the grab rail 20 is convenient for a user to place arms, and the arrangement of the grab rail 20 rotatably arranged on the back frame 2 is convenient for the user to store the grab rail 20 by rotating the grab rail 20 when the whole wheelchair rotates to be in a horizontal state.
As a preferred embodiment, the present embodiment further includes an auxiliary support rod 21, one end of the auxiliary support rod 21 is hinged to the grab bar 20, and the other end of the auxiliary support rod 21 is hinged to the seat frame 1.
According to the invention, the auxiliary support rod 21 is arranged, so that the handrail rod 20 can be conveniently supported, the stability of the handrail rod 20 in the use process is improved, one end of the auxiliary support rod 21 is hinged with the handrail rod 20, and the other end of the auxiliary support rod 21 is hinged with the seat frame 1, so that the handrail rod 20 and the auxiliary support rod 21 can be conveniently accommodated when the whole wheelchair rotates to be in a horizontal state.
As a preferred embodiment, the present embodiment further comprises an auxiliary wheel bracket 23 and an auxiliary wheel 22, wherein the auxiliary wheel bracket 23 is fixed to the grab bar 20, the auxiliary wheel 22 is connected to the auxiliary wheel bracket 23, and when the wheelchair is rotated to be horizontal, the lowest end of the auxiliary wheel 22 and the lowest end of the sliding wheel 6 are in a plane.
According to the invention, the auxiliary wheel 22 is arranged, so that when the whole wheelchair rotates to be in a horizontal state, the auxiliary wheel 22 supports the wheelchair, and the safety of the wheelchair in the use process is further improved.
As a preferred embodiment, the seat frame 1 of the present embodiment is provided with a defecation opening 24, a toilet bowl 25 is arranged below the defecation opening 24, and the toilet bowl 25 is detachably connected with the seat frame 1.
The invention is convenient for a user who is inconvenient to move to defecate into the excrement collecting barrel 25 by arranging the excrement discharging port 24, and can also raise the height of the wheelchair and then move the wheelchair above the closestool to discharge the defecate.
In summary, an embodiment of the present invention provides a lifting structure suitable for a wheelchair, including a wheelchair body, the wheelchair body includes a back frame 2, a seat frame 1 and a foot frame assembly, which are sequentially connected, one end of the seat frame 1 is connected with the back frame 2, the other end of the seat frame 1 is connected with the foot frame assembly, the seat frame 1 is connected with a sliding wheel assembly, and a lifting device and a sliding support device for supporting the wheelchair are disposed between the seat frame 1 and the sliding wheel assembly.
Because the user is patient mostly, when the user shifts to the wheelchair from the sick bed or shifts to the bed from the wheelchair occasionally the difference in height, through setting up elevating gear and slip strutting arrangement, the user of being convenient for adjusts the height of wheelchair as required, and the user's of being convenient for removal, and wheelchair lift in-process slip strutting arrangement supports the wheelchair moreover, makes the wheelchair more stable. So can be convenient for the lift of wheelchair, support stably, convenient operation.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a lift structure suitable for wheelchair, includes the wheelchair body, the wheelchair body is including the back of the chair frame, seat frame and the foot rest subassembly that connect gradually, seat frame one end is connected with the back of the chair frame, the seat frame other end is connected with the foot rest subassembly, the seat frame is connected with the slip wheel subassembly, its characterized in that: and a lifting device and a sliding support device for supporting the wheelchair are arranged between the chair seat frame and the sliding wheel assembly.
2. The lifting structure for a wheelchair as claimed in claim 1, wherein: the sliding support device comprises a first support rod, one end of the first support rod is hinged to the chair seat frame, and the other end of the first support rod is connected with the sliding wheel assembly in a sliding mode.
3. The lifting structure for a wheelchair as claimed in claim 2, wherein: the sliding support device further comprises a second sliding rod and a first sliding sleeve, the second sliding rod is connected with the sliding wheel assembly, the first sliding sleeve is hinged to one end, away from the chair seat frame, of the first support rod, and the first sliding sleeve is arranged on the second sliding rod and can slide along the second sliding rod.
4. The elevating structure for a wheelchair as claimed in claim 3, wherein: the sliding support device also comprises a second support rod, a first sliding rod and a second sliding sleeve, wherein one end of the second support rod is hinged to the sliding wheel assembly, and the other end of the second support rod is hinged to the second sliding sleeve; the first sliding rod is connected with the chair seat frame, and the second sliding sleeve is sleeved on the first sliding rod and can slide along the first sliding rod.
5. The lifting structure for a wheelchair as claimed in claim 1, wherein: the lifting device comprises a second telescopic push rod, one end of the second telescopic push rod is fixed on the sliding wheel assembly, and the other end of the second telescopic push rod is fixed on the chair seat frame.
6. The lifting structure for a wheelchair as claimed in claim 1, wherein: the foot rest assembly comprises a foot bracket and a foot rest; the chair seat frame is rotatably connected with the foot bracket, one end of the four connecting rods is fixed on the chair back frame, the other ends of the four connecting rods are hinged with one end of the two connecting rods, the other ends of the two connecting rods are hinged with the three connecting rods, and the other ends of the three connecting rods are fixed on the foot bracket;
the foot bracket is rotatably connected with the pedal frame, one end of the connecting rod is hinged with the chair seat frame, and the other end of the connecting rod is hinged with the pedal frame; the first connecting rod is parallel to the plane where the foot bracket is located and the first connecting rod is arranged on the inward side of the foot bracket.
7. The elevating structure for a wheelchair as claimed in claim 6, wherein: the chair back frame is characterized by further comprising a first telescopic push rod, a first support is fixed on the chair seat frame, one end of the first telescopic push rod is hinged to the first support, and the other end of the first telescopic push rod is hinged to the chair back frame.
8. The lifting structure for a wheelchair as claimed in claim 1, wherein: the chair back frame further comprises a grab rail, and the grab rail is rotatably arranged on the chair back frame.
9. The elevating structure for a wheelchair as claimed in claim 8, wherein: the chair seat support is characterized by further comprising an auxiliary support rod, wherein one end of the auxiliary support rod is hinged to the grab rail, and the other end of the auxiliary support rod is hinged to the chair seat frame.
10. The elevating structure for a wheelchair as claimed in claim 8, wherein: still include auxiliary wheel support and auxiliary wheel, the auxiliary wheel support is fixed in the handrail pole, auxiliary wheel and auxiliary wheel leg joint, when the wheelchair wholly rotates into the horizontality, auxiliary wheel least significant end and movable pulley least significant end are in a plane.
CN202010239343.9A 2020-03-30 2020-03-30 Lifting structure suitable for wheelchair Pending CN111388219A (en)

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Application Number Priority Date Filing Date Title
CN202010239343.9A CN111388219A (en) 2020-03-30 2020-03-30 Lifting structure suitable for wheelchair

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101066234A (en) * 2007-01-24 2007-11-07 兰州理工大学 Liftable and movable wheelchair
CN201185992Y (en) * 2008-02-26 2009-01-28 黄启岗 Electric wheelchair
CN104257469A (en) * 2013-10-01 2015-01-07 北京市世纪康恒科技贸易有限公司 Improved electric wheelchair with transposition function
CN107307949A (en) * 2017-08-18 2017-11-03 常州摩本智能科技有限公司 Manned robot
CN208808890U (en) * 2018-04-28 2019-05-03 孙延娟 A kind of severe crisis nursing wheelchair
CN208974358U (en) * 2018-09-13 2019-06-14 李文炫 A kind of adjusting wheelchair
CN109907893A (en) * 2019-04-26 2019-06-21 广东博智林智能技术有限公司 Multifunctional wheelchair and Wheel-chair type bed
CN110897794A (en) * 2019-12-09 2020-03-24 池州学院 Wheelchair capable of assisting getting on and off bed

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101066234A (en) * 2007-01-24 2007-11-07 兰州理工大学 Liftable and movable wheelchair
CN201185992Y (en) * 2008-02-26 2009-01-28 黄启岗 Electric wheelchair
CN104257469A (en) * 2013-10-01 2015-01-07 北京市世纪康恒科技贸易有限公司 Improved electric wheelchair with transposition function
CN107307949A (en) * 2017-08-18 2017-11-03 常州摩本智能科技有限公司 Manned robot
CN208808890U (en) * 2018-04-28 2019-05-03 孙延娟 A kind of severe crisis nursing wheelchair
CN208974358U (en) * 2018-09-13 2019-06-14 李文炫 A kind of adjusting wheelchair
CN109907893A (en) * 2019-04-26 2019-06-21 广东博智林智能技术有限公司 Multifunctional wheelchair and Wheel-chair type bed
CN110897794A (en) * 2019-12-09 2020-03-24 池州学院 Wheelchair capable of assisting getting on and off bed

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