CN119055451A - A wheelchair that is convenient for getting in and out of bed - Google Patents

A wheelchair that is convenient for getting in and out of bed Download PDF

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Publication number
CN119055451A
CN119055451A CN202411301399.7A CN202411301399A CN119055451A CN 119055451 A CN119055451 A CN 119055451A CN 202411301399 A CN202411301399 A CN 202411301399A CN 119055451 A CN119055451 A CN 119055451A
Authority
CN
China
Prior art keywords
wheelchair
supporting
frame
rods
rod
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
CN202411301399.7A
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Chinese (zh)
Inventor
赵建
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.)
Zhejiang Ximeng Medical Instrument Co ltd
Original Assignee
Zhejiang Ximeng Medical Instrument 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 Zhejiang Ximeng Medical Instrument Co ltd filed Critical Zhejiang Ximeng Medical Instrument Co ltd
Priority to CN202411301399.7A priority Critical patent/CN119055451A/en
Publication of CN119055451A publication Critical patent/CN119055451A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • A61G5/1043—Cushions specially adapted for wheelchairs
    • A61G5/1045—Cushions specially adapted for wheelchairs for the seat portion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1043—Cushions specially adapted for wheelchairs
    • A61G5/1048—Cushions specially adapted for wheelchairs for the back-rest
    • 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
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A61G5/128—Rests specially adapted therefor, e.g. for the head or the feet for feet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1001—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto specially adapted for specific applications
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1025—Lateral movement of patients, e.g. horizontal transfer
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2200/00—Information related to the kind of patient or his position
    • A61G2200/10—Type of patient
    • A61G2200/20—Type of patient with asymmetric abilities, e.g. hemiplegic or missing a limb

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nursing (AREA)
  • Invalid Beds And Related Equipment (AREA)

Abstract

The invention discloses a wheelchair convenient for getting on and off a bed, in particular to the technical field of medical auxiliary equipment, which comprises a wheelchair body, wherein the middle part of the wheelchair body is provided with a seat plate, the middle part of the upper end of a supporting table is provided with a lifting device, the upper end of supporting bench is kept away from pedal mechanism's one side and is provided with pushing mechanism, elevating gear's surface lower part is provided with supporting mechanism, the surface both sides of wheelchair body all are provided with the protection and place. According to the wheelchair convenient to get on and off the bed, the lifting device is arranged, so that a patient can be lifted up and down through the lifting device, and when the lifting device pushes the patient upwards to move, the pushing mechanism is driven to operate, so that the pushing mechanism drives the hydraulic telescopic rod to move, the hydraulic telescopic rod pushes the pedal mechanism to rotate upwards, the legs of the patient placed on the pedal mechanism also rotate upwards, the patient can get on and off the bed conveniently, and the reliability of the wheelchair convenient to get on and off the bed is improved.

Description

Wheelchair convenient for getting on and off bed
Technical Field
The invention relates to the technical field of medical auxiliary equipment, in particular to a wheelchair convenient to get on and off a bed.
Background
The wheelchair is a mobility aid for special people, is widely applied due to convenience and easy operability, most of the existing wheelchairs enable passengers to get off the wheelchair from the front, are difficult for serious patients or people with high disabilities to leave a wheelchair to rest or want to sit on the wheelchair, often need other people to assist, and are convenient for patients with lower body to move by using upper body or upper limb force.
Chinese patent document CN 111728782A discloses a wheelchair which is convenient for a patient to get on and off the bed, and horizontally expands a cushion and a backrest, so that the patient and the old can independently get on and off the bed in a moving way, the patient and the old are convenient, the workload of medical staff and families is reduced, but in actual use, the device does not lift the legs of the patient to the corresponding height, and therefore, the legs of the patient can influence the patient to get on and off the bed in the process of getting on and off the bed of the patient.
Disclosure of Invention
The invention mainly aims to provide a wheelchair convenient for getting on and off a bed, which can effectively solve the problem that the legs of a patient are not lifted to the corresponding height and can influence the patient to get on and off the bed in the process of getting on and off the bed.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The wheelchair capable of conveniently getting on and off the bed comprises a wheelchair body, wherein a seat plate is arranged in the middle of the wheelchair body, two pedal mechanisms are rotatably arranged on one side, far away from a backrest, of the outer surface of the seat plate, a supporting table is arranged on the lower portion of the wheelchair body, a lifting device is arranged in the middle of the upper end of the supporting table, a pushing mechanism is arranged on one side, far away from the pedal mechanisms, of the upper end of the supporting table, a supporting mechanism is arranged on the lower portion of the outer surface of the lifting device, and protection placement is arranged on two sides of the outer surface of the wheelchair body;
the pedal mechanism comprises a pedal body, the pedal body is rotatably arranged on the outer surface of the seat plate, and a positioning plate is arranged on one side, close to the lifting device, of the outer surface of the pedal body.
Preferably, the lifting device comprises a lifting mechanism and a motor, the motor is fixedly arranged on one side of the upper end of the supporting table, a gear is arranged at the output end of the motor, a spur gear is arranged on the upper portion of the outer surface of the lifting mechanism, the spur gear is connected with the gear on the output end of the motor in a meshed mode, a supporting frame is arranged on the upper portion of the outer surface of the lifting mechanism, the upper portion of the outer surface of the supporting frame is fixedly connected with the lower portion of the outer surface of the seat plate, fixing plates are arranged on two sides of the outer surface of the supporting frame, hydraulic telescopic rods are arranged on two sides of the lower end of the fixing plates, rollers are arranged on one side, far away from the pushing mechanism, of the outer surface of the output rod of the hydraulic telescopic rods, and the rollers are respectively matched with two locating plates for use.
Preferably, the elevating system includes a screw section of thick bamboo, screw section of thick bamboo rotates and installs in the middle part of brace table, the outside that both ends all extend to the brace table about the screw section of thick bamboo, both sides all are provided with the threaded rod about the inner chamber of screw section of thick bamboo, two the one end that the threaded rod kept away from each other all extends to the outside of screw section of thick bamboo, is located upper portion the surface upper portion of threaded rod and the middle part fixed connection of support frame.
Preferably, the thread pitch on the outer surface of the threaded rod at the lower part is smaller than the thread pitch on the outer surface of the threaded rod at the upper part, and the thread directions on the two threaded rod surfaces are opposite.
Preferably, the pushing mechanism comprises a hydraulic cylinder, the lower extreme fixed mounting of hydraulic cylinder is in the upper end of brace table, the inner chamber middle part of hydraulic cylinder is provided with the connecting rod, the upper end of connecting rod extends to the outside of hydraulic cylinder, the upper end of connecting rod is with the lower extreme middle part fixed connection who is located the fixed plate that keeps away from pedal mechanism one side, the lower extreme of connecting rod is provided with the piston that uses with hydraulic cylinder looks adaptation, the upper end both sides of hydraulic cylinder all are provided with the connecting pipe, two the upper portion of connecting pipe is fixed mounting respectively in the one side that pedal mechanism was kept away from to two hydraulic telescoping rod surface, and two the inner chamber of connecting pipe communicates with each other with the inner chamber of two hydraulic telescoping rods respectively, the inner chamber of hydraulic cylinder is full of hydraulic oil.
Preferably, the supporting mechanism comprises a positioning frame, the positioning frame is fixedly arranged on the lower portion of the outer surface of the threaded rod positioned at the lower portion, supporting telescopic rods are arranged on two sides of the outer surface of the positioning frame, supporting wheels are arranged on two sides, away from each other, of the lower end of the output rod of the supporting telescopic rod, a connecting telescopic rod is arranged on one side, close to the pedal mechanism, of the upper end of the output rod of the supporting telescopic rod, and the upper end of the output rod of the connecting telescopic rod is fixedly connected with the lower end of the output rod of the hydraulic telescopic rod.
Preferably, the protection is placed and is included the locating frame, locating frame fixed mounting is on the surface of wheelchair body, the fixed slot has all been seted up to the equal array in inner chamber surface both sides of locating frame, the inner chamber middle part of locating frame is provided with protection machanism, the mounting hole has all been seted up to the upper end both sides of locating frame, two the equal fixed mounting in inner chamber of mounting hole has coupling mechanism, two coupling mechanism's upper end is provided with the handrail.
Preferably, the protection mechanism comprises a protection plate, the upper end of protection plate and the surface middle part downside fixed connection of handrail, T-shaped groove has been seted up to the lower part of protection plate, the inner chamber middle part of T-shaped groove is provided with the limiting plate, the inner chamber lower part both sides of T-shaped groove all are provided with the dead lever, the upper end of limiting plate is provided with a plurality of gag lever posts, a plurality of gag lever post slidable mounting is on the inner wall of protection plate, a plurality of the surface lower part of protection plate has all twined spring one, a plurality of the upper end of spring one all with the roof fixed connection of T-shaped groove, two the one end both sides that the dead lever is close to each other all are provided with spring two, the middle part slidable mounting of protection plate has the link, the lower extreme of link extends to in the inner chamber of T-shaped groove, just the lower extreme of link and the upper end middle part fixed connection of limiting plate.
Preferably, the connecting mechanism comprises a connecting cylinder, two connecting cylinders are fixedly arranged in an inner cavity of a mounting hole on the positioning frame, a positioning rod is arranged in the middle of the inner cavity of the connecting cylinder, the upper end of the positioning rod extends to the outside of the connecting cylinder, the upper end of the positioning rod is fixedly connected with the lower end of the handrail, and the lower part of the positioning rod is rotationally provided with the connecting frame.
Compared with the prior art, the invention has the following beneficial effects:
1. According to the invention, the lifting device is arranged, so that a patient can be lifted up and down through the lifting device, and when the lifting device pushes the patient upwards to move, the pushing mechanism is driven to operate, so that the pushing mechanism drives the hydraulic telescopic rod to move, and the hydraulic telescopic rod pushes the pedal mechanism to rotate upwards, and the legs of the patient placed on the pedal mechanism also rotate upwards, thereby facilitating the patient to get on and off the bed, and improving the reliability of the device.
2. According to the invention, the supporting mechanism is arranged, so that the supporting mechanism can be driven to move downwards and stretch in the process of pushing the patient to move upwards by the lifting device, and the wheelchair can be supported by the supporting mechanism, so that the wheelchair is prevented from toppling forwards and causing injury to the patient in the process of getting on or off the bed of the patient.
3. According to the invention, the protection device is arranged, so that the protection mechanism at one side far away from the bed can be pulled out to a corresponding height in the process of pushing the patient upwards by the lifting device, the patient can be supported by the protection device, meanwhile, the patient can be prevented from rolling off the wheelchair to cause injury to the patient, and the protection mechanism at the other side can be put between the bed and the wheelchair to bring convenience for the patient to get on and off the bed.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the overall structure assembly of the present invention;
FIG. 3 is a schematic view of the assembly of the pedal mechanism of the present invention;
FIG. 4 is a schematic view of a lifting device according to the present invention;
FIG. 5 is a schematic diagram of a pushing mechanism according to the present invention;
FIG. 6 is a schematic view of a supporting mechanism according to the present invention;
FIG. 7 is a schematic view of a guard placement structure according to the present invention;
FIG. 8 is a schematic view of a protection mechanism according to the present invention;
FIG. 9 is a schematic view of the attachment mechanism assembly of the present invention;
Fig. 10 is an enlarged view of a portion of fig. 9a in accordance with the present invention.
In the figure, 1, a wheelchair body, 2, a seat plate, 3, a pedal mechanism, 31, a pedal body, 32, a locating plate, 4, a supporting table, 5, a pushing mechanism, 51, a hydraulic cylinder, 52, a connecting rod, 53, a piston, 54, a connecting pipe, 6, a lifting device, 61, a lifting mechanism, 611, a threaded cylinder, 612, a threaded rod, 62, a motor, 63, a spur gear, 64, a supporting frame, 65, a hydraulic telescopic rod, 66, a fixing plate, 8, a supporting mechanism, 81, a locating rack, 82, a supporting telescopic rod, 83, a supporting wheel, 84, a connecting telescopic rod, 9, a protective placement, 91, a locating frame, 911, a fixing groove, 92, a protective mechanism, 921, a protective plate, 922, a T-shaped groove, 923, a fixing rod, 924, a limiting plate, 925, a first spring, 927, a second spring, 928, a connecting rack, 93, a connecting mechanism, 931, a connecting cylinder, 932, a locating rod, 933, a connecting frame, 94 and a handrail.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Example 1
As shown in fig. 1 and 2, this embodiment discloses a wheelchair convenient for getting on and off bed, including wheelchair body 1, the middle part of wheelchair body 1 is provided with bedplate 2, and one side that the back was kept away from to the surface of bedplate 2 rotates and installs two pedal mechanisms 3, and the lower part of wheelchair body 1 is provided with brace table 4, and the upper end middle part of brace table 4 is provided with elevating gear 6, and one side that pedal mechanism 3 was kept away from to the upper end of brace table 4 is provided with pushing mechanism 5, and elevating gear 6's surface lower part is provided with supporting mechanism 8.
Further, the pedal mechanism 3 includes a pedal body 31, the pedal body 31 is rotatably mounted on the outer surface of the seat plate 2, and a positioning plate 32 is disposed on one side of the outer surface of the pedal body 31 close to the lifting device 6.
Specifically, under general circumstances, the patient sits in the upper end of bedplate 2, and patient's shank is placed on two pedal mechanism 3, and the wheel of both sides makes things convenient for the patient to promote the wheelchair and removes, before the patient gets on and off the bed, and the brake mechanism of accessible both sides is fixed the wheel, avoids removing at the in-process wheelchair that the patient got on and off the bed, causes the injury to the patient, and this is prior art, and this specification does not carry out concrete description any more.
In order to lift the patient upwards and enable the patient to be higher than the wheels, the patient can get on and off the bed conveniently, as shown in fig. 4 and 5, the lifting device 6 comprises a lifting mechanism 61 and a motor 62, the motor 62 is fixedly arranged on one side of the upper end of the supporting table 4, a gear is arranged at the output end of the motor 62, a spur gear 63 is arranged on the upper portion of the outer surface of the lifting mechanism 61, the spur gear 63 is meshed with the gear on the output end of the motor 62, a supporting frame 64 is arranged on the upper portion of the outer surface of the lifting mechanism 61, the upper portion of the outer surface of the supporting frame 64 is fixedly connected with the lower portion of the outer surface of the seat plate 2, fixing plates 66 are arranged on two sides of the outer surface of the supporting frame 64, hydraulic telescopic rods 65 are arranged on two sides of the lower ends of the two fixing plates 66, rollers are arranged on one side of the outer surfaces of the output rods of the two hydraulic telescopic rods 65, which are far away from the pushing mechanism 5, and the two rollers are respectively matched with the two positioning plates 32.
Specifically, when a patient needs to get on the bed, the wheelchair is pushed to lean against one side of the bed, then, the motor 62 is started, the motor 62 drives the lifting mechanism 61 to rotate through the gear on the output end and the spur gear 63, the lifting mechanism 61 rotates to push the support frame 64 to move upwards, and then the support frame 64 pushes the patient to move upwards through the seat plate 2, in the process, the pushing mechanism 5 simultaneously operates to push the two hydraulic telescopic rods 65 to move, the two hydraulic telescopic rods 65 respectively push the two pedal mechanisms 3 to rotate, and then the legs of the patient placed on the pedal mechanisms 3 also move upwards, so that the subsequent patient getting on the bed is convenient to move.
Further, when the pushing mechanism 5 pushes the two hydraulic telescopic rods 65 to move, the rollers on the two hydraulic telescopic rods 65 are in contact with the surface of the positioning plate 32, and as the two pedal mechanisms 3 are obliquely arranged, when the rollers on the two hydraulic telescopic rods 65 continue to move to the side far away from the pushing mechanism 5, the pedal mechanisms 3 are jacked upwards, so that the pedal mechanisms 3 are enabled to rotate upwards and drive the legs of the patient placed on the pedal mechanisms to rotate upwards.
Further, before the patient gets out of the bed, the seat plate 2 is lifted up to the height of getting on the bed by the lifting device 6, then the patient moves the body to the upper end of the seat plate 2, and places the legs on the two pedal mechanisms 3, and then the motor 62 is reversed to return the wheelchair to the initial state.
In order to lift the patient upwards and drive the supporting mechanism 8 to move downwards, as shown in fig. 5, the lifting mechanism 61 comprises a threaded cylinder 611, the threaded cylinder 611 is rotatably mounted at the middle part of the supporting table 4, the upper end and the lower end of the threaded cylinder 611 extend to the outer part of the supporting table 4, threaded rods 612 are arranged on the upper side and the lower side of the inner cavity of the threaded cylinder 611, one ends, away from each other, of the two threaded rods 612 extend to the outer part of the threaded cylinder 611, and the upper part of the outer surface of the threaded rod 612 positioned at the upper part is fixedly connected with the middle part of the supporting frame 64.
Further, the thread pitch on the outer surface of the lower threaded rod 612 is smaller than the thread pitch on the outer surface of the upper threaded rod 612, and the thread directions on the surfaces of the two threaded rods 612 are opposite.
Specifically, when the motor 62 drives the screw cylinder 611 to rotate under the action of the gear on the output end and the spur gear 63, the screw cylinder 611 drives the two threaded rods 612 to move to the side away from each other.
Further, since the lifting device 6 pushes the seat plate 2 to move upwards more than the supporting mechanism 8, the thread pitches of the surfaces of the two threaded rods 612 are different, so that the supporting mechanism 8 is driven by the threaded rod 612 at the lower part to contact with the ground after the seat plate 2 moves upwards to the corresponding height.
In order to drive the hydraulic telescopic rod 65 to operate in the process that the lifting device 6 lifts the patient upwards, the pedal mechanism 3 for placing the legs of the patient is lifted upwards by the hydraulic telescopic rod 65 so that the patient can get on or off the bed, as shown in fig. 5, the pushing mechanism 5 comprises a hydraulic cylinder 51, the lower end of the hydraulic cylinder 51 is fixedly arranged at the upper end of the supporting table 4, a connecting rod 52 is arranged in the middle of the inner cavity of the hydraulic cylinder 51, the upper end of the connecting rod 52 extends to the outside of the hydraulic cylinder 51, the upper end of the connecting rod 52 is fixedly connected with the middle of the lower end of a fixing plate 66 positioned at one side far away from the pedal mechanism 3, a piston 53 matched with the hydraulic cylinder 51 is arranged at the lower end of the connecting rod 52, connecting pipes 54 are respectively and fixedly arranged at two sides of the outer surfaces of the two connecting pipes 54, far away from the pedal mechanism 3, the inner cavities of the two connecting pipes 54 are respectively communicated with the inner cavities of the two hydraulic telescopic rods 65, and the inner cavities of the hydraulic cylinder 51 are full of hydraulic oil.
Specifically, in the process that the threaded rod 612 at the upper part pushes the patient to move upwards through the support frame 64 and the support table 4, the piston 53 fixedly connected with the fixing plate 66 at the side far away from the pedal mechanism 3 also moves upwards, and when the piston 53 moves upwards, hydraulic pressure in the inner cavity of the hydraulic cylinder 51 is pushed to enter the inner cavities of the two hydraulic telescopic rods 65 through the two connecting pipes 54 respectively, so that the two hydraulic telescopic rods 65 are output, and the two pedal mechanisms 3 are pushed to rotate upwards respectively.
In order to support the wheelchair, the wheelchair is prevented from being turned over forward in the process of getting on or off the bed of a patient, as shown in fig. 6, the supporting mechanism 8 comprises a positioning frame 81, the positioning frame 81 is fixedly arranged at the lower part of the outer surface of a threaded rod 612 positioned at the lower part, supporting telescopic rods 82 are respectively arranged at two sides of the outer surface of the positioning frame 81, supporting wheels 83 are respectively arranged at one side, far away from the outer surface of the lower ends of the two supporting telescopic rods 82, of the upper ends of the supporting telescopic rods 82, a connecting telescopic rod 84 is arranged at one side, close to the pedal mechanism 3, of the upper ends of the supporting telescopic rods 82, and the upper ends of the supporting telescopic rods 84 are fixedly connected with the lower ends of the outputting rods of the hydraulic telescopic rods 65.
Specifically, in the process that the lifting device 6 pushes the patient upwards, the threaded rod 612 located at the lower part can drive the supporting telescopic rods 82 on the two sides to move upwards through the positioning frame 81, in the process, as the output rod of the hydraulic telescopic rod 65 can extend under the action of the pushing mechanism 5, the output rod of the supporting telescopic rod 82 is driven to extend through the connecting telescopic rod 84, after a period of time, the surface of the supporting wheel 83 is in contact with the ground, and at the moment, the wheelchair can be supported through the supporting mechanism 8, so that the wheelchair is prevented from toppling forward.
Further, in the process that the supporting mechanism 8 and the seat board 2 move to the side far away from each other respectively, the connecting telescopic rod 84 can be gradually extended to adapt to the change of the distance between the two, although the connecting telescopic rod 84 cannot play a supporting role on the output rod of the hydraulic telescopic rod 65, the connecting telescopic rod 84 is connected with the output rod of the hydraulic telescopic rod 65 vertically, so that the output rod of the hydraulic telescopic rod 65 can be prevented from being stressed and bent to play a certain protection role, and meanwhile, the connecting telescopic rod 84 can play a limiting role on the supporting telescopic rod 82, so that the supporting mechanism 8 can only move up and down.
Example two
The embodiment further improves the protection placement 9 on the basis of the first embodiment, and as shown in fig. 2, the protection placement 9 is arranged on both sides of the outer surface of the wheelchair body 1.
In the process that elevating gear 6 upwards promotes the patient, in order to make the patient have the thing to support, simultaneously, can avoid the patient to roll from the wheelchair, cause the injury to the patient, as shown in fig. 7, protection is placed 9 and is included locating frame 91, locating frame 91 fixed mounting is on the surface of wheelchair body 1, fixed slot 911 has all been seted up to the equal array in inner chamber surface both sides of locating frame 91, the inner chamber middle part of locating frame 91 is provided with protection machanism 92, the mounting hole has all been seted up to the upper end both sides of locating frame 91, the equal fixed mounting in inner chamber of two mounting holes has coupling mechanism 93, the upper end of two coupling mechanism 93 is provided with handrail 94.
Specifically, in the process that the patient is pushed up by the lifting device 6, the patient can manually lift the protection mechanism 92 in the protection placement 9 far away from the bed side upwards through the armrest 94 and fix the protection mechanism 92 at a corresponding height, then the protection mechanism 92 in the protection placement 9 near the bed side is completely pulled out and put on a sickbed, and at the moment, the wheels near the sickbed side of the wheelchair are positioned below the protection mechanism 92 and can not prevent the patient from getting on or off the bed.
In order to give a supporting force to a patient, as shown in fig. 8, the protection mechanism 92 comprises a protection plate 921, the upper end of the protection plate 921 is fixedly connected with the lower side of the middle part of the outer surface of the armrest 94, a T-shaped groove 922 is formed in the lower part of the protection plate 921, a limiting plate 924 is arranged in the middle of the inner cavity of the T-shaped groove 922, fixing rods 923 are arranged on two sides of the lower part of the inner cavity of the T-shaped groove 922, a plurality of limiting rods 925 are arranged at the upper ends of the limiting plate 924 in a sliding mode, a first spring 926 is wound on the lower part of the outer surface of the protection plate 921, the upper ends of the first springs 926 are fixedly connected with the top wall of the T-shaped groove 922, two springs 927 are arranged at two sides of one end of the two fixing rods 923, which are close to each other, a connecting frame 928 is arranged in a middle sliding mode, the lower end of the connecting frame 928 extends into the inner cavity of the T-shaped groove, and the lower end of the connecting frame 928 is fixedly connected with the middle part of the upper end of the limiting plate 924.
Specifically, when the protection mechanism 92 needs to be lifted upwards, the connecting frame 928 can be lifted upwards first, so that the connecting frame 928 drives the limiting plate 924 to move upwards, the limiting plate 924 is not contacted with the surfaces of the two fixing rods 923 any more, at this time, the two fixing rods 923 retract into the inner cavity of the T-shaped groove 922 under the action of the spring two 927 between the two sides, the fixing rods 923 are not contacted with the inner cavity of one fixing groove 911 any more, the protection plate 921 can be lifted upwards at this time, and in the process, when the limiting plate 924 moves upwards, the spring one 926 is stressed and compressed, and meanwhile, the two springs two 927 can return to the original state.
Further, after the protection plate 921 is lifted up to a corresponding height, the connecting frame 928 is released, the first springs 926 push the limiting plates 924 downward, and push the two fixing rods 923 to the sides far away from each other again, so that the two fixing rods 923 enter the inner cavities of the fixing grooves 911 of the corresponding height, and in this process, the elasticity generated by the first springs 926 pushes the two limiting plates 924 outwards and stretches the second springs 927 under stress.
In order to provide an access plate, a patient can get on and off the bed conveniently, as shown in fig. 9 and 10, the connecting mechanism 93 comprises connecting cylinders 931, two connecting cylinders 931 are fixedly installed in inner cavities of installation holes on the positioning frame 91, a positioning rod 932 is arranged in the middle of the inner cavities of the connecting cylinders 931, the upper ends of the positioning rod 932 extend to the outside of the connecting cylinders 931, the upper ends of the positioning rod 932 are fixedly connected with the lower ends of armrests 94, and the lower parts of the positioning rod 932 are rotatably installed with the connecting frames 933.
Specifically, when the protective mechanism 92 is not required to be completely pulled out of the inner cavity of the positioning frame 91, the positioning rod 932 will extend upward from the inner cavity of the connecting barrel 931 along with the armrest 94, and provide a certain protective effect.
Further, when the protection mechanism 92 needs to be completely pulled out from the inner cavity of the positioning frame 91, the positioning rod 932 will also be completely pulled out from the inner cavity of the connecting tube 931 along with the pulling out of the protection mechanism 92, but at this time, the connecting frame 933 will be always located in the inner cavity of the connecting tube 931 and will not be pulled out from the inner cavity of the connecting tube 931, and because the positioning rod 932 and the connecting frame 933 are rotationally connected, when the protection mechanism 92 is completely pulled out, the positioning rod 932 can rotate, so that the protection mechanism 92 is placed on a bed, and is put between a wheelchair and the bed, thereby being convenient for a patient to get on and off the bed.
It should be noted that, the specific installation manner and the circuit arrangement connection manner of the motor 62 and the control manner thereof adopted in the first embodiment are all conventional designs in the prior art, and are not described in detail in the present invention.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. The wheelchair capable of conveniently getting on and off the bed comprises a wheelchair body (1) and is characterized in that a seat board (2) is arranged in the middle of the wheelchair body (1), two pedal mechanisms (3) are rotatably arranged on one side, far away from a backrest, of the outer surface of the seat board (2), a supporting table (4) is arranged at the lower part of the wheelchair body (1), a lifting device (6) is arranged in the middle of the upper end of the supporting table (4), a pushing mechanism (5) is arranged on one side, far away from the pedal mechanisms (3), of the upper end of the supporting table (4), a supporting mechanism (8) is arranged on the lower part of the outer surface of the lifting device (6), and protection placement (9) are arranged on two sides of the outer surface of the wheelchair body (1);
the pedal mechanism (3) comprises a pedal body (31), the pedal body (31) is rotatably arranged on the outer surface of the seat plate (2), and a positioning plate (32) is arranged on one side, close to the lifting device (6), of the outer surface of the pedal body (31).
2. The wheelchair capable of conveniently getting on and off a bed according to claim 1, wherein the lifting device (6) comprises a lifting mechanism (61) and a motor (62), the motor (62) is fixedly arranged on one side of the upper end of the supporting table (4), a gear is arranged at the output end of the motor (62), a spur gear (63) is arranged on the upper portion of the outer surface of the lifting mechanism (61), the spur gear (63) is meshed with the gear on the output end of the motor (62), a supporting frame (64) is arranged on the upper portion of the outer surface of the lifting mechanism (61), the upper portion of the outer surface of the supporting frame (64) is fixedly connected with the lower portion of the outer surface of the seat plate (2), fixing plates (66) are arranged on two sides of the outer surface of the supporting frame (64), hydraulic telescopic rods (65) are arranged on two sides of the lower ends of the two fixing plates (66), and rollers are arranged on one side of the outer surfaces of the two hydraulic telescopic rods (65) away from the pushing mechanism (5) and are respectively matched with two positioning plates (32).
3. The wheelchair capable of conveniently getting on and off a bed according to claim 2, wherein the lifting mechanism (61) comprises a threaded cylinder (611), the threaded cylinder (611) is rotatably mounted at the middle part of the supporting table (4), the upper end and the lower end of the threaded cylinder (611) extend to the outer part of the supporting table (4), threaded rods (612) are arranged on the upper side and the lower side of an inner cavity of the threaded cylinder (611), one ends, far away from each other, of the two threaded rods (612) extend to the outer part of the threaded cylinder (611), and the upper part of the outer surface of the threaded rod (612) located at the upper part is fixedly connected with the middle part of the supporting frame (64).
4. A wheelchair according to claim 3, wherein the thread pitch on the outer surface of the threaded rod (612) at the lower part is smaller than the thread pitch on the outer surface of the threaded rod (612) at the upper part, and the thread directions on the surfaces of the two threaded rods (612) are opposite.
5. The wheelchair capable of conveniently getting on and off a bed according to claim 2, wherein the pushing mechanism (5) comprises a hydraulic cylinder (51), the lower end of the hydraulic cylinder (51) is fixedly arranged at the upper end of the supporting table (4), a connecting rod (52) is arranged in the middle of the inner cavity of the hydraulic cylinder (51), the upper end of the connecting rod (52) extends to the outside of the hydraulic cylinder (51), the upper end of the connecting rod (52) is fixedly connected with the middle of the lower end of a fixing plate (66) positioned at one side far away from the pedal mechanism (3), a piston (53) which is matched with the hydraulic cylinder (51) is arranged at the lower end of the connecting rod (52), connecting pipes (54) are respectively and fixedly arranged at the two sides of the upper end of the hydraulic cylinder (51), the outer surfaces of the two connecting pipes (65) are far away from one side of the pedal mechanism (3), the inner cavities of the two connecting pipes (54) are respectively communicated with the inner cavities of the two hydraulic telescopic rods (65), and the inner cavities of the hydraulic cylinder (51) are filled with hydraulic oil.
6. The wheelchair capable of conveniently getting on and off a bed according to claim 3, wherein the supporting mechanism (8) comprises a positioning frame (81), the positioning frame (81) is fixedly arranged at the lower part of the outer surface of a threaded rod (612) positioned at the lower part, supporting telescopic rods (82) are arranged on two sides of the outer surface of the positioning frame (81), supporting wheels (83) are arranged on one side, far away from the outer surface, of the lower ends of the output rods of the two supporting telescopic rods (82), a connecting telescopic rod (84) is arranged on one side, close to the pedal mechanism (3), of the upper ends of the output rods of the supporting telescopic rods (82), and the upper ends of the output rods of the connecting telescopic rods (84) are fixedly connected with the lower ends of the output rods of the hydraulic telescopic rods (65).
7. The wheelchair capable of conveniently getting on and off a bed according to claim 1, wherein the protection placement (9) comprises a positioning frame (91), the positioning frame (91) is fixedly installed on the outer surface of the wheelchair body (1), fixing grooves (911) are formed in arrays on two sides of the inner cavity surface of the positioning frame (91), a protection mechanism (92) is arranged in the middle of the inner cavity of the positioning frame (91), mounting holes are formed in two sides of the upper end of the positioning frame (91), connecting mechanisms (93) are fixedly installed in the inner cavities of the two mounting holes, and handrails (94) are arranged at the upper ends of the two connecting mechanisms (93).
8. The wheelchair capable of conveniently getting on and off beds according to claim 7, wherein the protection mechanism (92) comprises protection plates (921), the upper ends of the protection plates (921) are fixedly connected with the lower sides of the middle parts of the outer surfaces of the armrests (94), T-shaped grooves (922) are formed in the lower parts of the protection plates (921), limiting plates (924) are arranged in the middle of the inner cavities of the T-shaped grooves (922), fixing rods (923) are arranged on two sides of the lower parts of the inner cavities of the T-shaped grooves (922), a plurality of limiting rods (925) are arranged at the upper ends of the limiting plates (924), a plurality of limiting rods (925) are slidably mounted on the inner walls of the protection plates (921), springs I (926) are wound on the lower parts of the outer surfaces of the protection plates (921), the upper ends of the springs I (926) are fixedly connected with the top walls of the T-shaped grooves (922), two limiting plates (927) are arranged on two sides of the inner cavities of the T-shaped grooves (923) close to each other, a middle sliding connection frame (928) is mounted on the middle part of the connecting frame (928), and the lower ends of the connecting frame (928) are connected with the middle ends of the middle portions of the connecting frame (928).
9. The wheelchair capable of conveniently getting on and off a bed according to claim 8, wherein the connecting mechanism (93) comprises connecting cylinders (931), the two connecting cylinders (931) are fixedly arranged in inner cavities of mounting holes on the positioning frame (91), a positioning rod (932) is arranged in the middle of the inner cavity of the connecting cylinder (931), the upper end of the positioning rod (932) extends to the outside of the connecting cylinder (931), the upper end of the positioning rod (932) is fixedly connected with the lower end of the armrest (94), and the connecting frame (933) is rotatably arranged at the lower part of the positioning rod (932).
CN202411301399.7A 2024-09-18 2024-09-18 A wheelchair that is convenient for getting in and out of bed Pending CN119055451A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202411301399.7A CN119055451A (en) 2024-09-18 2024-09-18 A wheelchair that is convenient for getting in and out of bed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202411301399.7A CN119055451A (en) 2024-09-18 2024-09-18 A wheelchair that is convenient for getting in and out of bed

Publications (1)

Publication Number Publication Date
CN119055451A true CN119055451A (en) 2024-12-03

Family

ID=93635248

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202411301399.7A Pending CN119055451A (en) 2024-09-18 2024-09-18 A wheelchair that is convenient for getting in and out of bed

Country Status (1)

Country Link
CN (1) CN119055451A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010227389A (en) * 2009-03-27 2010-10-14 Itoki Corp Chair
CN208910739U (en) * 2018-06-11 2019-05-31 梧州学院 Multifunctional wheelchair
CN211095372U (en) * 2019-11-13 2020-07-28 中国人民解放军联勤保障部队第九二〇医院 Small-size nursing treatment car
CN212416140U (en) * 2020-04-08 2021-01-29 太仓远杰机械制品有限公司 Liftable stand wear and tear aluminum alloy wheelchair handrail with locking structure
CN213641651U (en) * 2020-11-14 2021-07-09 左点实业（湖北）有限公司 Automatic lifting wheelchair
CN217525618U (en) * 2022-05-11 2022-10-04 常州中进医疗器材股份有限公司 Wheelchair convenient to stride across obstacle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010227389A (en) * 2009-03-27 2010-10-14 Itoki Corp Chair
CN208910739U (en) * 2018-06-11 2019-05-31 梧州学院 Multifunctional wheelchair
CN211095372U (en) * 2019-11-13 2020-07-28 中国人民解放军联勤保障部队第九二〇医院 Small-size nursing treatment car
CN212416140U (en) * 2020-04-08 2021-01-29 太仓远杰机械制品有限公司 Liftable stand wear and tear aluminum alloy wheelchair handrail with locking structure
CN213641651U (en) * 2020-11-14 2021-07-09 左点实业（湖北）有限公司 Automatic lifting wheelchair
CN217525618U (en) * 2022-05-11 2022-10-04 常州中进医疗器材股份有限公司 Wheelchair convenient to stride across obstacle

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Application publication date: 20241203