EP4470517B1 - Beweglicher rollstuhl - Google Patents

Beweglicher rollstuhl

Info

Publication number
EP4470517B1
EP4470517B1 EP23179438.9A EP23179438A EP4470517B1 EP 4470517 B1 EP4470517 B1 EP 4470517B1 EP 23179438 A EP23179438 A EP 23179438A EP 4470517 B1 EP4470517 B1 EP 4470517B1
Authority
EP
European Patent Office
Prior art keywords
sleeve
seat board
seat
securely attached
securing
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.)
Active
Application number
EP23179438.9A
Other languages
English (en)
French (fr)
Other versions
EP4470517C0 (de
EP4470517A1 (de
Inventor
Zhongsheng Wang
Jinliang JIANG
Zehui HUANG
Shouxiong ZHOU
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
Publication of EP4470517A1 publication Critical patent/EP4470517A1/de
Application granted granted Critical
Publication of EP4470517C0 publication Critical patent/EP4470517C0/de
Publication of EP4470517B1 publication Critical patent/EP4470517B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K11/00—Closets without flushing; Urinals without flushing; Chamber pots; Chairs with toilet conveniences or specially adapted for use with toilets
    • A47K11/04—Room closets; Chairs with toilet conveniences or specially adapted for use with toilets, e.g. night chairs ; Closets for children, also with signalling means, e.g. with a music box, or the like
    • 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
    • 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
    • A61G5/1091—Cushions, seats or abduction 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
    • 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
    • A61G7/104—Devices carried or supported by
    • A61G7/1046—Mobile bases, e.g. having wheels
    • 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
    • A61G7/1049—Attachment, suspending or supporting means for patients
    • A61G7/1057—Supported platforms, frames or sheets for patient in lying position
    • 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
    • A61G7/1073—Parts, details or accessories
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H7/00—Devices for suction-kneading massage; Devices for massaging the skin by rubbing or brushing not otherwise provided for
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/01—Constructive details
    • A61H2201/0119—Support for the device
    • A61H2201/0138—Support for the device incorporated in furniture
    • A61H2201/0149—Seat or chair
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2205/00—Devices for specific parts of the body
    • A61H2205/08—Trunk
    • A61H2205/081—Back

Definitions

  • the present application relates to the technical field of medical devices, and in particular, to a moving wheelchair.
  • a moving wheelchair comprises a seat and rollers, four rollers are mounted on the bottom of the seat, and the seat is moved by the rolling of the rollers, thereby achieving the function of moving a patient.
  • a shower commode chair including two pivotable seat boards, a frame and a barrel, the frame includes a guide block and a level, a titling frame is connected between the guide block and the level.
  • the present application provides a moving wheelchair comprising a seat, rollers and a frame, the seat being mounted on the frame, a plurality of rollers being provided to be mounted on the frame for driving the frame to move;
  • the patient When a patient needs to go to the toilet, he is brought into the toilet by means of a moving wheelchair, and in the case of a squat toilet, the patient can defecate directly on the moving wheelchair through a gathering hole, and in the case of a pedestal pan in the toilet, the first and second seat boards can be separated from each other, so that the patient sits on the pedestal pan to defecate, and when the patient has finished defecation, the first and second seat boards can be brought close to each other, so that the patient is scooped up from the toilet, and the position of the patient is changed from the pedestal pan to the moving wheelchair.
  • first and second seat boards are each provided with an inclined surface, both inclined surfaces being inclined towards the direction of the diversion chamber.
  • first and second seat boards are each provided with a cambered surface for engaging the buttocks of a human body.
  • the patient's buttocks are more closely fitted to the first and second seat boards during defecation, making the patient more comfortable during use of the moving wheelchair.
  • a seat cushion is provided on the seat.
  • the patient is more comfortable to sit on the moving wheelchair at ordinary times, and the user experience is improved.
  • first bracket for leaning is securely attached to the first seat board and a second bracket for leaning is securely attached to the second seat board.
  • the user experience is further enhanced by providing the first and second brackets such that the patient can rest on the first and second brackets while sitting on the seat.
  • the seat bottom surface is fitted with a gathering barrel which corresponds to the location of the gathering hole.
  • a support rack is connected to the frame, the support rack comprises an insertion section and a stop section securely attached to each other, an insertion hole is formed on the insertion section, and a stop hole is formed on the stop section; a stop strip is securely attached to a side wall of the gathering barrel which can be inserted into the insertion hole and stopped by the stop strip, and the gathering barrel can slide in the stop hole so that the stop strip is inserted into the stop hole.
  • the securing device comprises a securing column, a securing member, a U-shaped board and a driving assembly, wherein the U-shaped board is securely attached to the second bracket, and the first bracket can rotate into the U-shaped board; a securing column is securely attached to the first bracket, a securing hole adapted to the securing column is provided on the securing member, and a driving assembly is used for driving the securing member to rotate and inserting the securing column into the securing hole.
  • the securing column is inserted into and away from the securing hole, so that the first and second brackets are secured to each other and separated from each other, the use process is simple and quick, and the first and second brackets are quickly secured and quickly separated.
  • the driving assembly comprises a torsional spring and a limiting column
  • the securing member is rotatably connected to the U-shaped board
  • the torsional spring acts on the U-shaped board at one end and on the securing member at the other end
  • the limiting column is securely attached to the U-shaped board for limiting rotation of the securing member.
  • the automatic resetting of the securing member is achieved by the arrangement of the torsional spring and the limiting column, so that it is more convenient to secure and separate the first and second brackets.
  • an opening end of the U-shaped board is bent outwards to form a fold, so that the opening of the U-shaped board is flared.
  • the first bracket is easier to rotate into the U-shaped board during rotation, reducing the possibility of collision with the U-shaped board during rotation of the first bracket, and optimizing the securing process of the first and second brackets.
  • two backrests are included, wherein the two backrests are respectively connected to the first and second seat boards.
  • the backrests when a patient is leaning at the backrest, the patient's contact area with the moving wheelchair is increased, the pressure on the backboard of the patient is reduced, and the comfort of the patient sitting on the moving wheelchair is further increased.
  • a reinforcing assembly is provided between two backrests, and the reinforcing assembly is capable of securing two backrests to each other.
  • the first and second brackets are not started immediately after the securing device is released, thereby reducing the possibility that the patient will fall from the moving wheelchair due to the first and second brackets being started too quickly, thereby reducing the possibility of secondary injury to the patient.
  • the reinforcing assembly comprises a seatbelt buckle comprising an insert securely attached to one backrest and an inserted member securely attached to the other backrest, and the insert is insertable into the inserted member and securing the two backrests to each other.
  • seatbelt buckles to secure the two backrests allows for easy use and mounting, easy replacement and re-purchase, thereby optimizing the process of mounting and replacing the reinforcing assembly.
  • the seatbelt buckle secures the two backrests, reducing the possibility of the two backrests separating from each other, resulting in a fall of the patient.
  • the seatbelt buckle can serve to secure the first and second seat boards, and double-secure the first and second seat boards, thereby further improving the safety of the moving wheelchair.
  • the rollers comprise front wheels and rear wheels, the rear wheels are mounted on a frame to which extension blocks are securely attached, and the front wheels are mounted on the extension blocks.
  • the radius of rotation of the moving wheelchair during rotation around the front wheels is made smaller by providing the extension blocks, so that the moving wheelchair can be steered in a narrower space, increasing the application scenarios of the moving wheelchair.
  • the frame comprises a sleeve and a lifting lever, wherein the lifting lever is provided inside the sleeve and slides inside the sleeve; the moving wheelchair further comprises a lifting device for driving the sleeve to slide on the lifting lever.
  • the height of the seat can be adjusted by providing a lifting device, whereby the moving wheelchair can be adapted to people of different heights, thereby further increasing the applicability of the moving wheelchair.
  • the lifting device comprises a first driving member having one end secured to the extension block and the other end securely attached to the sleeve.
  • the height adjustment of the seat is achieved by the first driving member driving the movement of the sleeve, thereby increasing the applicability of the moving wheelchair.
  • the first driving member is sleeved with a protective case.
  • Providing the protective case reduces the contact of the first driving member with the environment, thereby reducing the possibility of damage to the first driving member due to external causes and thereby increasing the stability of operation of the first driving member.
  • the front wheels are connected to the extension blocks by bolts, an end of the first driving member close to the extension block is securely attached with a relief block securely attached to the extension block, and an end face of the relief block close to the first driving member is higher than an end face where the bolts are remote from the extension block.
  • the sleeve and the lifting lever are both prismatic and the lifting lever is adapted to the sleeve;
  • the lifting device comprises a screw rod and a rotating handle, wherein the screw rod penetrates the sleeve and is screwed with the sleeve, and the rotating handle is securely attached to the screw rod and can drive the screw rod to rotate.
  • the lifting of the sleeve is realized by rotating the rotating handle to rotate the screw rod, so that the lifting of the seat can also be realized in areas where power supply is inconvenient, further increasing the application scenarios of the moving wheelchair and increasing the applicability of the moving wheelchair.
  • the driving assembly comprises a second driving member
  • the lifting lever is a hollow rod
  • the second driving member is provided in the lifting lever
  • an output end of the second driving member is securely attached to the sleeve and is used for driving the sleeve to slide on the lifting lever.
  • the direct contact of the second driving member with the outside is reduced, thereby reducing the possibility of damage to the second driving member, and thus increasing the operation stability of the second driving member.
  • the lifting device comprises a linkage rod and a third driving member, wherein two ends of the linkage rod are respectively securely attached to two sleeves, and an output end of the third driving member is securely attached to the linkage rod.
  • one third driving member can drive the two sleeves to move up and down simultaneously, thereby reducing the number of the third driving members, and thus reducing the cost of the moving wheelchairs and optimizing the cost of the moving wheelchairs.
  • a pedal is rotatably coupled to the third driving member, wherein rotation of the pedal enables operation of the third driving member.
  • the provision of the pedal enables the third driving member to be manually driven, thereby enabling the seat to be lifted in areas where power supply is inconvenient, thereby increasing the application scenarios of the moving wheelchair.
  • a pedal is included to be attached to the frame.
  • the patient can rest on the pedals without hanging when using the moving wheelchair, optimizing the patient's use experience.
  • a sliding rod is securely attached to the frame, a sliding sleeve is securely attached to the pedal, and the sliding sleeve is sleeved on the sliding rod and slides on the sliding rod; a sliding groove is provided on the sliding sleeve, a locking lever is provided in the sliding groove, and the locking lever passes through the sliding rod and abuts against the pedal.
  • the pedal can slide, whereby the position of the sliding board can be adjusted, thereby facilitating the placement of the patient's feet and optimizing the user's experience.
  • a handle is included, a folding device is provided between the handle and the frame, the handle is connected to the frame by the folding device, and the folding device enables the handle to be folded relative to the frame.
  • the handle can be folded when the moving wheelchair is stowed, so that the space occupied by the moving wheelchair is reduced, thereby facilitating the stowing of the moving wheelchair.
  • the folding device comprises a paddle, a plug, a connecting tube and a mounting rack connected to the frame, the connecting tube is securely attached to the handle and rotatably connected to the mounting rack, the paddle is rotatably connected to the connecting tube, the plug is securely attached to the paddle, and the plug extends through the connecting tube and the mounting rack.
  • the plug is disengaged from the mounting rack by moving the paddle, so that the connecting tube can rotate on the mounting rack, and then the handle can be folded, thereby facilitating the stowing of the moving wheelchair.
  • a moving wheelchair comprises a seat 1, a frame 2 and rollers 3.
  • the frame 2 comprises a horizontal rack 21, a sleeve 22 and a lifting lever 23, wherein one end of the horizontal rack 21 is securely attached to the lifting lever 23 and is perpendicular to the lifting lever 23, and the sleeve 22 is sleeved on one end of the lifting lever 23 away from the horizontal rack 21 and slides on the lifting lever 23.
  • the seat 1 is mounted on the sleeve 22 and can be lifted along with the sleeve 22.
  • the rollers 3 comprise front wheels 31 and rear wheels 32, wherein the rear wheels 32 are bolted to an end of the horizontal rack 21 remote from the lifting lever 23, an end of the lifting lever 23 close to the horizontal rack 21 is securely attached to an extension block 24, and the front wheels 31 are bolted to the extension block 24.
  • the entire frame 2 and the seat 1 are moved by rolling the rollers 3.
  • the horizontal rack 21 comprises s cross bar 211 and support rods 212, wherein two support rods 212 are respectively located at two ends of the cross bar 211, and the two support rods 212 are securely attached to the cross bar 211 by bolts and D-shaped pins, thereby facilitating the disassembly of the support rod 212.
  • universal wheels with a brake are used as the rollers 3, and the front wheels 31 and the rear wheels 32 are both provided in a number of two, the two rear wheels 32 are respectively connected to the two support rods 212, two lifting levers 23 are provided and both securely attached to an extension block 24, and each extension block 24 is connected to one of the above-mentioned front wheels 31 by a bolt.
  • the moving wheelchair further comprises a lifting device 4, wherein the lifting device 4 comprises a first driving member 41 provided on the extension block 24, and an output end of the first driving member is securely attached to the sleeve 22 by a bolt, so that the telescoping of the first driving member 41 drives the sleeve 22 to slide on the lifting lever 23, thereby lifting the seat 1.
  • a protective case 411 is sleeved on the first driving member 41 and connected to the extension block 24 by a bolt to protect the first driving member 41 and reduce the damage to the first driving member 41; and in the embodiment, a retractable motor is used as the first driving member 41.
  • a relief block 25 is provided between the first driving member 41 and the extension block 24, the relief block 25 is U-shaped and opens in the direction of the first driving member 41, a bump 412 is securely attached to one end of the first driving member 41 close to the relief block 25, the protrusion is inserted into the relief block 25 and is securely attached to the relief block by a bolt, an end face of the relief block away from the extension block 24 is higher than an end face of the bolt on which the front wheel 31 is mounted away from the extension block 24, a gap exists between the end face of the first driving member 41 close to the extension block 24 and the bolt on which the front wheel 31 is mounted, and the contact between the first driving member 41 and the bolt on which the front wheel 31 is mounted is reduced.
  • the seat 1 comprises a first seat board 11 and a second seat board 12, wherein the first seat board 11 and the second seat board 12 are respectively rotatably connected to the sleeve 22, the first seat board 11 and the second seat board 12 rotate away from each other to open the seat 1, the first seat board 11 and the second seat board 12 are both provided with a diversion chamber 131, and when the first seat board 11 and the second seat board 12 are close to each other, the two diversion chambers 131 are combined to form a gathering hole 13 by which a user can defecate.
  • a seat cushion 14 is placed on the first seat board 11 and the second seat board 12 to make the user more comfortable when using the moving wheelchair.
  • the first seat board 11 and the second seat board 12 are both provided with inclined surfaces 15, the two inclined surfaces 15 are both inclined towards the direction of the diversion chamber 131, and the first seat board 11 and the second seat board 12 are both provided with a cambered surface 16 abutting against the buttocks of a human body.
  • the user is scooped up by the inclined surface 15 by the rotation of the first seat board 11 and the second seat board 12, so that the user sits on the seat 1 and the buttocks are fitted with the cambered surface 16, and the conversion from the toilet bowl to the seat 1 is performed.
  • a first bracket 17 is securely attached to the first seat board 11, and a second bracket 18 is securely attached to the second seat board 12, and the first and second brackets are inclined with respect to the first and second seat boards to facilitate leaning by a user.
  • a securing device 8 for securing the first and second brackets to each other is provided between the first and second brackets.
  • a backrest 19 is securely attached to both ends of the first bracket 17 and the second bracket 18 remote from the first seat board 11, and the backrest 19 is provided to make the user more comfortable when leaning.
  • the two backrests 19 are provided with relief holes 191 to form a push handle 192 on both backrests 19, so that the nursing worker can hold the push handle 192 when pushing the moving wheelchair, thereby facilitating exerting one's strength.
  • a reinforcing assembly 5 is provided between the two backrests 19, and the two backrests are secured to each other by the reinforcing assembly 5.
  • a handle 61 is securely attached to the sleeve 22, the nursing worker can use the handle to push the moving wheelchair, a cannula 62 is securely attached to the sleeve 22, a folding device 7 is provided between the handle 61 and the cannula 62, the handle 61 is connected to the cannula 62 by the folding device 7, and the handle 61 is folded by the folding device 7, thereby facilitating the stowing of the handle 61.
  • the securing device 8 comprises a securing column 81, a securing member 82, a U-shaped board 83 and a driving assembly 84, wherein the U-shaped board 83 is sleeved on the second bracket 18 and is securely attached to the second bracket 18, the opening of the U-shaped board 83 faces the direction of the first bracket 17, and an opening end of the U-shaped board 83 is bent outwards to form a fold 831, so that the opening of the U-shaped board 83 is flared, so that the first bracket 17 can easily rotate into the U-shaped board 83.
  • the securing column 81 is securely attached to the first bracket 17; a securing hole 821 is provided on a side wall of the securing member 82 near the first bracket 17; a notch 832 is provided on the side wall of the U-shaped board 83 near the first bracket 17; the securing column 81 can slide into the notch 832; the securing column 81 is adapted to the securing hole 821; and the driving assembly 84 is used for driving the securing member 82 to rotate and enabling the securing column 81 to be inserted into the securing hole 821.
  • the first bracket 17 and the second bracket 18 are secured to each other.
  • the driving assembly 84 comprises a torsional spring 841 and a limiting column 842; the securing member 82 is rotatably connected to the U-shaped board 83 by a rotating shaft; the torsional spring 841 is sleeved on the rotating shaft and rotates on the rotating shaft; one end of the torsional spring 841 is securely attached to the securing member 82; and the other end of the torsional spring 841 is sleeved on a convex post on the U-shaped board 83.
  • the limiting column 842 is securely attached to an upper end of the U-shaped board 83.
  • the securing column 81 comprises a rotating sleeve and a central column securely attached to the first bracket 17, and the rotating sleeve is sleeved on and rotates on the central column.
  • a guide surface is provided at one end of the securing member 82 adjacent to the rotating sleeve, and when the first seat board 11 and the second seat board 12 are adjacent to each other, the guide surface contacts the rotating sleeve, and the securing member 82 rotates under the guide action of the guide surface and twists the torsional spring 841, while the rotating sleeve rotates under the push of the securing member 82.
  • the torsional spring 841 is reset, so that the securing member 82 is reset, and the securing column 81 is inserted into the securing hole 821, thereby automatically securing the first seat board 11 and the second seat board 12.
  • the securing member 82 drives the rotating sleeve to rotate during the movement, so that the sliding friction force between the securing member 82 and the securing column 81 becomes the rolling friction force, thereby reducing the friction force between the securing member 82 and the securing column 81 and reducing the wear between the securing member 82 and the securing column 81.
  • the torsional spring 841 In the initial state of the securing member 82, the torsional spring 841 generates an elastic force to the securing member 82 to cause the securing member 82 to rotate, and the limiting column 842 abuts against the securing member 82 to restrict the rotation of the securing member 82.
  • the securing member 82 is pressed to rotate to twist the torsional spring 841, thereby disengaging the securing column 81 from the securing hole 821 and sliding the securing column 81 out of the notch 832 to separate the first bracket 17 from the second bracket 18, and then the reinforcing assembly 5 is started to realize the rotation of the first seat board 11 and the second seat board 12.
  • the reinforcing assembly 5 comprises a seatbelt buckle 51 comprising an insert 511 securely attached to one backrest 19 and an inserted member 512 securely attached to the other backrest 19, the insert 511 is inserted into the inserted member 512 to achieve mutual securing of the two backrests 19.
  • the folding device 7 comprises a paddle 71, a plug 72, a connecting tube 73 and a mounting rack 74, wherein one end of the mounting rack 74 close to the cannula 62 is securely attached to the inserted tube 63 provided with two first mounting holes 631, in the embodiment, both of the two first mounting holes 631 are provided horizontally and the central axes of the two first mounting holes 631 are perpendicular to each other, the inserted tube 63 passes through one of the first mounting holes 631 by a bolt to achieve mutual securing of the inserted tube 63 and the cannula 62, and when it is necessary to rotate the inserted tube 63, the bolt is unscrewed to make the inserted tube rotate to the other first mounting hole 631 to secure the inserted tube 63 and the cannula 62 to each other by the bolt to rotate the inserted tube 63.
  • the connecting tube 73 is provided with two second mounting holes 731, in the embodiment, the two second mounting holes 731 are both provided horizontally, and the central axes of the two second mounting holes 731 are provided perpendicular to each other; the connecting tube 73 passes through one of the second mounting holes 731 by a bolt to secure the connecting tube 73 and the handle 61 to each other; and when it is necessary to rotate the connecting tube 73, the bolt is unscrewed to make the connecting tube rotate to the other second mounting hole 731 to secure the connecting tube 73 and the handle 61 to each other by the bolt to rotate the connecting tube 73 and then the handle 61.
  • the paddle 71 is rotatably connected to the connecting tube 73 rotatably connected to the mounting rack 74, the plug 72 is securely attached to the paddle 71 by a bolt and penetrates the paddle, the connecting tube 73 and the mounting rack 74, the paddle 71 is pressed to drive the plug 72 to move to be disengaged from the mounting rack 74, thereby releasing and rotating the connecting tube 73, and the handle 61 is folded to facilitate the stowing of the moving wheelchair.
  • the moving wheelchair further comprises a pedal 9 which is bolted to the cross bar 211, and the center of gravity of the whole moving wheelchair is far away from the position of the pedal 9, so that the moving wheelchair is not easily toppled when a user stands on the pedal 9.
  • Embodiment 1 The principle of Embodiment 1 is as follows: when a user needs to go to the toilet, the user is brought onto the toilet bowl by pushing the handle 61, so that the toilet bowl is located at the gathering hole 13, and then the securing device 8 and the reinforcing assembly 5 are started, so that the first seat board 11 and the second seat board 12 rotate in a direction away from each other, so that the user sits on the toilet bowl, and at this moment the nursing worker further pushes away the moving wheelchair, so that the user performs defecation through the toilet bowl; when the user performs defecation, the moving wheelchair is pushed away again, so that the user is located between the first seat board 11 and the second seat board 12, and at this moment the first seat board 11 and the second seat board 12 move in a direction close to each other, the user is thereby scooped up by the inclined surfaces 15, enabling conversion of the user from the toilet bowl to the moving wheelchair.
  • Example 2 differs from Example 1 in that a gathering barrel 30 is added.
  • a support rack 10 is connected to a sleeve 22, an insertion sleeve 20 is provided between the support rack and the sleeve 22, the insertion sleeve 20 is securely attached to the sleeve 22, and the support rack 10 is inserted into the insertion sleeve 20 from top to bottom to achieve a detachable connection between the support rack 10 and the sleeve 22.
  • the support rack 10 comprises an insertion section 101 and a stop section 102, wherein the insertion section and the stop section are both rectangular and have different areas, the insertion section 101 is horizontally placed, and the stop section 102 is vertically inserted into the section 101.
  • An insertion hole 1011 is formed on the insertion section 101, a stop hole 1021 is formed on the stop section 102 to communicate with the insertion hole 1011.
  • a gathering barrel 30 is mounted below the seat 1, and the top of the gathering barrel is opened and the opening position corresponds to the position of the gathering hole 13.
  • a stop strip 301 is securely attached to a side wall of the gathering barrel 30, and the stop strip 301 is provided around the gathering barrel 30 in the embodiment.
  • the gathering barrel 30 is inserted into the insertion hole 1011 so that the stop strip 301 abuts the insertion section 101, so that the gathering barrel 30 is stopped downwards in the vertical direction, so that the gathering barrel 30 slides in the insertion hole 1011, and the stop strip 301 slides into the stop hole 1021, thereby limiting the gathering barrel 30.
  • the opening of the gathering barrel 30 corresponds to the position of the gathering hole 13, and a user can directly defecate into the gathering barrel 30 if he wants.
  • a barrel lid 302 is provided at the opening of the gathering barrel 30 to be adapted to the gathering barrel 30, a pull column 303 is securely attached to a side of the barrel lid 302 away from the gathering barrel 30, and the barrel lid 302 can be lifted and lowered by grasping the pull column 303.
  • the side wall of the gathering barrel 30 is provided with a lifting rope 304 having two ends respectively and securely attached to two sides of the gathering barrel 30, and when the gathering barrel 30 needs to be moved, the lifting rope 304 can be lifted to move the gathering barrel 30.
  • Embodiment 2 of the present application when the user desires to go to the toilet, the support rack 10 is moved upward to remove the support rack 10, the barrel lid 302 is removed, and the support rack 10 is mounted, thereby allowing the user to sit directly on the moving wheelchair to defecate.
  • the support rack 10 is removed and then the gathering barrel 30 slides, so that the stop strip 301 is disengaged from the stop hole 1021, and the first seat board 11 and the second seat board 12 can also be rotated to be opened, and then the gathering barrel 30 is removed from the support rack 10.
  • Embodiment 3 differs from Embodiment 1 in that the lifting device 4 is different.
  • the sleeve 22 and the lifting lever 23 are both prismatic and the lifting lever 23 is fitted with the sleeve 22, and the lifting device 4 comprises a screw rod 42 and a rotating handle 43, wherein the screw rod 42 penetrates the sleeve 22 and is screwed with the sleeve 22, and in the embodiment, the screw rod 42 penetrates the sleeve 22 and is rotatably connected to the lifting lever 23.
  • the handle 61 is securely attached to one end of the screw rod 42 away from the lifting lever 23, and by rotating the rotating handle 43, the screw rod 42 is rotated, thereby driving the sleeve 22 to move to lift the seat 1.
  • Embodiment 4 differs from Embodiment 1 in that the lifting device 4 is different.
  • the lifting lever 23 is a hollow rod
  • the lifting device 4 comprises a second driving member 44; in the embodiment, a retractable motor is used as the second driving member 44; the second driving member 44 is provided in the lifting lever 23 and is securely attached to the lifting lever; an output end of the second driving member 44 is securely attached to the sleeve 22; and the up-and-down movement of the sleeve 22 is achieved by the retractable movement of the second driving member 44, thereby lifting the seat 1.
  • Embodiment 5 differs from Embodiment 1 in that the lifting device 4 is different.
  • the lifting device 4 comprises a linkage rod 46 and a third driving member 45, wherein two ends of the linkage rod 46 are respectively securely attached to two sleeves 22, an output end of the third driving member 45 is securely attached to the linkage rod 46, and the third driving member 45 is securely attached to the cross bar 211.
  • a pedal handle is rotatably connected to the third driving member 45, the pedal handle is rotated by stepping thereon to drive the third driving member 45 to extend and retract to achieve the lifting of the seat 1, in the embodiment, and an oil pump is used as the third driving member 45.
  • Embodiment 6 differs from the Embodiment 1 in that the sleeve 22 and the lifting lever 23 have different shapes.
  • the lifting lever 23 includes a first empty tube 231 and a second empty tube 232 closely adhered to each other and the portions where they are closely adhered to each other communicate with each other, and the shape of the sleeve 22 is adapted to the shape of the lifting lever 23.
  • Embodiment 7 differs from Embodiment 1 in the improvement of the pedal 9.
  • a sliding rod 91 is securely attached to a cross bar 211
  • a sliding sleeve 92 is securely attached to the bottom surface of the pedal 9
  • the sliding sleeve 92 is sleeved on and slides on the sliding rod 91.
  • the sliding sleeve 92 is provided with a sliding groove 921
  • a locking lever 93 is provided in the sliding groove 921
  • the locking lever 93 penetrates the sliding rod 91 and abuts against the pedal 9.
  • the locking lever 93 By unscrewing the locking lever 93, the locking lever 93 is disengaged from the pedal 9, so that the pedal 9 slides along the length direction of the sliding groove 921, and when the pedal 9 slides to a predetermined position, the locking lever 93 is screwed, so that the locking lever 93 abuts against the pedal 9, thereby securing the pedal 9.
  • Embodiment 8 differs from Embodiment 1 in the improvement of the pedal 9.
  • FIG. 17 there are two pedals 9 respectively and rotatably connected to two ends of a cross bar 211 which are securely attached to a stop lever 94, the downward rotation of the pedals 9 is restricted by the abutment of the stop lever 94 with the pedals 9, so that the pedals 9 are horizontally placed, and when needing to be stowed, the pedals 9 are rotated upward, thereby folding and stowing the pedals 9 to facilitate the stowing of the moving wheelchair.
  • Embodiment 9 differs from Embodiment 1 in the improvement of the backrest 19.
  • the backrest 19 of the embodiment has a height higher than that of the backrest 19 of Embodiment 1, and a plurality of protrusions 193 are securely attached to the backrest 19 for massaging the back of the user, thereby increasing the user's comfort during use.
  • Embodiment 10 differs from any of Embodiments 1-9 in the modification of the connection of the seat 1 to the sleeve 22.
  • a mounting base 401 is securely attached to a side wall of the sleeve 22, the top of the mounting base 401 is slotted, a rotating shaft 402 is securely attached to one end of the seat 1 near the mounting base 401, and the rotating shaft 402 is inserted into the mounting base 401 and rotatably connected to the mounting base 401.
  • a connecting device 50 is provided between the rotating shaft 402 and the mounting base 401, and a detachable connection between the rotating shaft 402 and the mounting base 401 is realized by the connecting device 50.
  • the connecting device 50 comprises a pressing rod 501, a connecting sleeve 502, an elastic member and balls 503, wherein the connecting sleeve 502 is sleeved on the pressing rod 501 which can slide in the connecting sleeve 502, the elastic member is provided between the pressing rod 501 and the connecting sleeve 502, one end of the elastic member is securely attached to the connecting sleeve 502, and the other end of the elastic member is securely attached to the pressing rod 501.
  • a spring is used as the elastic member, and the elastic member is sleeved on the pressing rod 501.
  • the connecting sleeve 502 is penetratingly provided in the rotating shaft 402, and a securing ring 504 is provided on the connecting sleeve 502 for limiting the connecting sleeve 502 and the rotating shaft 402, so that the connecting sleeve 502 and the rotating shaft 402 limit each other, and both ends of the connecting sleeve 502 extend out of the rotating shaft 402.
  • One end of the pressing rod 501 is provided in the connecting sleeve 502, the other end of the pressing rod 501 extends out of the connecting sleeve 502 and is securely attached to a pressing handle 505, and one end of the pressing handle 505 away from the pressing rod 501 is in a circular arc shape, which is convenient for a user to press.
  • a sliding hole 5021 is provided on one end of the connecting sleeve 502 which penetrates out of the rotating shaft 402 and is away from the pressing handle 505; in the embodiment, there are two sliding holes 5021 provided symmetrically with each other and are located on the side wall of the connecting sleeve 502, and in other embodiments, there may be a plurality of sliding holes 5021.
  • One above-mentioned ball 503 is provided in each sliding hole 5021, the ball 503 slides in the sliding hole 5021 and the diameter of the ball 503 is greater than the inner diameter of the sliding hole 5021, and the ball 503 is provided in the connecting sleeve 502; when the ball 503 abuts against the inner wall of the connecting sleeve 502, one end of the ball 503 which is farthest away from the pressing rod 501 extends out of the sliding hole 5021, and further when the rotating shaft 402 is lifted upwards, the ball 503 abuts against the mounting base 401, thereby limiting the rotating shaft 402 and the mounting base 401.
  • a plunger 506 is securely attached to one end of the pressing rod 501 close to the ball 503 and is provided between the two balls 503 which are stopped by the arrangement of the plunger 506 to reduce the possibility of the balls 503 rolling into the connecting sleeve 502.
  • the plunger 506 is cylindrical, and the outer diameter of the plunger 506 is smaller than that of the pressing rod 501; the connection between the plunger 506 and the pressing rod 501 adopts an arc transition, and the size of the arc is adapted to the outer surface of the ball 503, and in the initial state, the ball 503 is fitted at a position where the arc is located.
  • Embodiment 10 of the present application in the initial state, the plunger 506 is located between the two balls 503, and the pressing rod 501 urges the balls 503 to move in a direction away from the pressing rod 501, so that the balls 503 abut the connecting sleeve 502 and an end of the balls 503 farthest from the pressing rod 501 extends out of the sliding hole 5021.
  • the pressing handle 505 When it is required to disassemble the rotating shaft 402, the pressing handle 505 is pulled, so that the pressing rod 501 moves away from the ball 503, thereby releasing the interference of the pressing rod 501 on the ball 503; at this time, the rotating shaft 402 is pulled, thereby driving the connecting sleeve 502 to move; the ball 503 moves in the sliding hole 5021 when pushed by the mounting base 401, thereby making the ball 503 abut against the plunger 506, and the end of the ball 503 farthest away from the plunger 506 is also in the sliding hole 5021, thereby releasing the stop between the rotating shaft 402 and the mounting base 401 to disassemble the rotating shaft 402 and thus rapidly disassemble the first seat board 11 and the second seat board 12. Its disassembly process is simple and quick and convenient to use.
  • the embodiments of the detailed description are all preferred embodiments of the present application, and the scope of the present application is not limited in this respect, wherein like parts are designated with like reference numerals.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Nursing (AREA)
  • Dermatology (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Epidemiology (AREA)
  • Handcart (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Claims (7)

  1. Fahrbarer Rollstuhl, umfassend einen Sitz (1), mehrere Rollen (3) und einen Rahmen (2), wobei der Sitz (1) auf dem Rahmen (2) montiert ist und die mehreren Rollen (3) auf dem Rahmen (2) montiert sind, um den Rahmen (2) anzutreiben und zu bewegen;
    wobei der Sitz (1) eine erste Sitzplatte (11) und eine zweite Sitzplatte (12) umfasst und sowohl die erste Sitzplatte (11) als auch die zweite Sitzplatte (12) drehbar mit dem Rahmen (2) verbunden ist;
    eine Umleitungskammer (131) ist sowohl an der ersten Sitzplatte (11) als auch an der zweiten Sitzplatte (12) vorgesehen, und wenn die erste Sitzplatte (11) und die zweite Sitzplatte (12) nahe beieinander sind, sind die beiden Umleitungskammern (131) zu einer Sammelöffnung (13) für Ausscheidungen verbunden; und
    eine Befestigungsvorrichtung (8), um die erste Sitzplatte (11) und die zweite Sitzplatte (12) aneinander zu befestigen, ist zwischen der ersten Sitzplatte (11) und der zweiten Sitzplatte (12) vorgesehen;
    dadurch gekennzeichnet, dass der Rahmen (2) eine Hülse (22) und einen Hebel (23) umfasst, wobei der Hebel (23) in der Hülse (22) vorgesehen ist und in der Hülse (22) verschiebbar ist; wobei der fahrbare Rollstuhl ferner eine Hebevorrichtung (4) zum Antreiben der Hülse (22) zum Gleiten auf dem Hebel (23) umfasst, um die Höhe des Sitzes (1) einzustellen;
    wobei ein Stützgestell (10) mit der Hülse (22) verbunden ist, eine Einsteckhülse (20) ist zwischen dem Stützgestell (10) und der Hülse (22) vorgesehen, die Einsteckhülse (20) ist fest mit der Hülse (22) verbunden und das Stützgestell (10) ist von oben nach unten in die Einsteckhülse (20) eingeführt, um eine lösbare Verbindung zwischen dem Stützgestell (10) und der Hülse (22) herzustellen; das Stützgestell (10) umfasst einen Einsteckabschnitt (101) und einen Anschlagabschnitt (102), wobei der Einsteckabschnitt (101) und der Anschlagabschnitt (102) beide rechteckig sind, der Einsteckabschnitt (101) ist horizontal angeordnet und der Anschlagabschnitt (102) ist vertikal in den Einsteckabschnitt (101) eingesetzt; ein Einsteckloch (1011) ist an dem Einsteckabschnitt (101) ausgebildet und ein Anschlagloch (1021) ist an dem Anschlagabschnitt (102) ausgebildet und mit dem Einsteckloch (1011) verbunden;
    wobei ein Sammelzylinder (30) unterhalb des Sitzes (1) angebracht ist, wobei die Oberseite des Sammelzylinders (30) offen ist und eine Öffnungsposition des Sammelzylinders (30) mit der Sammelöffnung (13) übereinstimmt; ein Anschlagstreifen (301) ist fest an einer Seitenwand des Sammelzylinders (30) befestigt, und der Anschlagstreifen (301) ist um den Sammelzylinder (30) herum vorgesehen, der Sammelzylinder (30) ist so in die Einführöffnung (1011) eingeführt, dass der Anschlagstreifen (301) an der Einsteckabschnitt (101) anliegt, der Sammelzylinder (30) in vertikaler Richtung nach unten arretiert ist, der Sammelzylinder (30) in die Einführöffnung (1011) gleitet und der Anschlagstreifen (301) in das Anschlagloch (1021) gleitet, um den Sammelzylinder (30) zu begrenzen.
  2. Fahrbarer Rollstuhl nach Anspruch 1, dadurch gekennzeichnet, dass die erste Sitzplatte (11) und die zweite Sitzplatte (12) jeweils mit einer geneigten Fläche (15) versehen sind und jede der geneigten Flächen (15) zur Umlenkkammer (131) hin geneigt ist.
  3. Fahrbarer Rollstuhl nach Anspruch 1, dadurch gekennzeichnet, dass eine erste Halterung (17) zum Anlehnen fest an der ersten Sitzplatte (11) und eine zweite Halterung (18) zum Anlehnen fest an der zweiten Sitzplatte (12) angebracht ist.
  4. Fahrbarer Rollstuhl nach Anspruch 1, dadurch gekennzeichnet, dass er ferner zwei Rückenlehnen (19) umfasst, die jeweils mit der ersten Sitzplatte (11) und der zweiten Sitzplatte (12) verbunden sind.
  5. Fahrbarer Rollstuhl nach Anspruch 4, dadurch gekennzeichnet, dass zwischen den beiden Rückenlehnen (19) eine Verstärkungsanordnung (5) vorgesehen ist, um die beiden Rückenlehnen (19) miteinander zu verbinden.
  6. Fahrbarer Rollstuhl nach Anspruch 1, dadurch gekennzeichnet, dass die Hebevorrichtung (4) ein erstes Antriebselement (41) umfasst, wobei ein Ende des ersten Antriebselements (41) an dem Verlängerungsblock (24) befestigt ist und ein zweites Ende des ersten Antriebselements (41) fest mit der Hülse (22) verbunden ist.
  7. Fahrbarer Rollstuhl gemäß Anspruch 6, dadurch gekennzeichnet, dass das erste Antriebselement (41) mit einem Schutzgehäuse (411) ummantelt ist.
EP23179438.9A 2023-05-31 2023-06-15 Beweglicher rollstuhl Active EP4470517B1 (de)

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TWI863560B (zh) * 2023-09-13 2024-11-21 珮晶科技有限公司 可調整式移動裝置

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CN116570436A (zh) 2023-08-11
EP4470517A1 (de) 2024-12-04
CN116570436B (zh) 2024-01-23
ES3044282T3 (en) 2025-11-26

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