CN113116649B - Rehabilitation wheelchair with lower limb exercising function - Google Patents

Rehabilitation wheelchair with lower limb exercising function Download PDF

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Publication number
CN113116649B
CN113116649B CN202110428602.7A CN202110428602A CN113116649B CN 113116649 B CN113116649 B CN 113116649B CN 202110428602 A CN202110428602 A CN 202110428602A CN 113116649 B CN113116649 B CN 113116649B
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Prior art keywords
gear
base
rod
foot
shaft
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CN202110428602.7A
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Chinese (zh)
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CN113116649A (en
Inventor
田蜜香
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Yiwu Hongbo Machinery Technology Co ltd
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Yiwu Hongbo Machinery Technology Co ltd
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Priority to CN202110428602.7A priority Critical patent/CN113116649B/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1056—Arrangements for adjusting the seat
    • A61G5/1067—Arrangements for adjusting the seat adjusting the backrest relative to the seat portion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—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
    • A61G5/14—Standing-up or sitting-down aids
    • 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
    • A61H3/00—Appliances for aiding patients or disabled persons to walk about
    • A61H3/04—Wheeled walking aids for patients or disabled persons
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
    • 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

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Rehabilitation Therapy (AREA)
  • Rehabilitation Tools (AREA)

Abstract

The invention discloses a rehabilitation wheelchair with the function of exercising lower limbs, which comprises: the method comprises the following steps: a main body, a chair and a foot-operated device; the connecting rod is driven to move by manually pressing the pull rod downwards, so that the sliding sleeve moves and the pull ring is meshed with the gear F, and meanwhile, the large gear is meshed with the gear B, and the stepping motor A is started to drive the travelling wheel to rotate, so that the equipment can move conveniently; when the lower limb strength needs to be exercised, the large gear and the gear D are meshed with the gear A by manually pulling the pull rod, the foot-operated device is moved to a specified length, and the foot pedal is used for driving the foot-operated device to move, so that the lower limb strength can be effectively exercised, and the lower limb rehabilitation is facilitated; the foot-operated device is folded to the lower part of the main body, the seat plate is driven to rotate upwards to stand up to support a user by starting the stepping motor B, the problem that a person with mobility inconvenience stands up and sits difficultly is solved, the user can push the push rod to push the equipment to walk and exercise, the safety of the user is protected, and quick recovery is facilitated.

Description

Rehabilitation wheelchair with lower limb exercising function
Technical Field
The invention relates to the technical field of medical rehabilitation equipment, in particular to a rehabilitation wheelchair with a lower limb exercising function.
Background
At present, the electric walking-aid rehabilitation wheelchair is mature in development. People hope to endow the rehabilitation wheelchair with more functions for convenient use. For the old people who are inconvenient to move or the patients who need to take exercises and have impaired lower limbs, the old people who need to take exercises sit on the rehabilitation wheelchair for a long time, but the old people and the patients are difficult to get up and sit due to poor physical performance of the old people and the patients, and the traditional wheelchairs are driven by electric power and cannot take the function of taking exercises of the lower limbs. At present, most of the walking-assisting rehabilitation wheelchairs do not have the function of assisting in sitting up. Particularly for patients who need to do lower limb rehabilitation training through lower limb strength training, corresponding exercise rehabilitation wheelchairs are not available.
A Chinese patent CN2019216178036 discloses a utility model patent of a rehabilitation wheelchair and a leg rehabilitation mechanism thereof, which solves the defects that the rehabilitation wheelchair in the prior art lacks the leg rehabilitation training function of a patient and is not convenient to use; through the swash plate and the supporting baseplate that the activity set up, can rotate to lift up and put down rehabilitation training work, and set up installation pole and auxiliary rod, when guaranteeing the support relation of swash plate and function axostylus axostyle, can assist and carry out rotation regulation work, guarantee going on of shank rehabilitation training's stability.
It has been found through study that the device is simple to mechanically raise and lower the legs, and does not effectively exercise the lower limbs, and does not combine walking and exercising.
Disclosure of Invention
Aiming at the problems, the invention provides a rehabilitation wheelchair with the function of exercising lower limbs, wherein a pull rod is manually pressed down to drive a connecting rod to move so as to enable a sliding sleeve to move and further enable a pull ring to be meshed with a gear F, meanwhile, a large gear is meshed with a gear B, a stepping motor A is started to drive a travelling wheel to rotate, and equipment is convenient to move; when the lower limb strength needs to be exercised, the large gear and the gear D are meshed with the gear A by manually pulling the pull rod, the foot-operated device is moved to a specified length, and the foot pedal is used for driving the foot-operated device to move, so that the lower limb strength can be effectively exercised, and the lower limb rehabilitation is facilitated; the lower part of main part is received with foot-propelled device, starts to drive the seat through step motor B and upwards rotates to stand and hold up the user, has solved the problem that the handicapped person rises to sit difficultly, then inserts the bolt of connector in the hole of different positions on the handrail, and the height-adjusting, user can hand the push rod and promote equipment and walk the exercise, have protected user's safety, help the fast recovery.
The technical scheme adopted by the invention is as follows: a rehabilitation wheelchair having a function of exercising lower limbs, comprising: main part, arm-chair, foot-propelled device, the main part include: the device comprises a travelling wheel, a main shaft, a front support frame, an auxiliary wheel, a base, a support plate, a backup plate support rod and a switching mechanism;
the two walking wheels are connected through a main shaft; the lower end of the front supporting frame is rotatably provided with an auxiliary wheel, the upper end of the front supporting frame is provided with a rotating shaft, the rotating shaft is connected with the lower end surface of the seat plate, the front end bracket of the base is fixedly connected with the front supporting frame, the rear end bracket of the base is connected with the main shaft through a bearing, the base is fixedly provided with a supporting plate, and the supporting plate supports the seat plate; the lower end of the backup plate supporting rod is fixedly connected with the base, a rotating shaft is arranged in the middle of the backup plate supporting rod, and a bolt is arranged at the upper end of the backup plate supporting rod and inserted into holes at different positions on the side surface of the backup plate through the bolt to adjust the inclination angle of the backup plate; the switching mechanism is arranged on the base, and the switching structure switches between an electric mode and a foot-operated mode;
the arm-chair is rotatably arranged at the upper end of the front support frame, can be used as a chair and a deck chair, and can also be erected to protect a user from falling backwards; the foot-operated device is arranged at the front part of the base, and can be switched into a foot-operated mode through the foot-operated device, so that the lower limbs of a user can be exercised.
Further, the main body further comprises: the device comprises a gear A, a gear B, a gear rack, a pinion, a gear D, a connecting shaft, a gear E, a stepping motor A and a gear F;
the gear A is arranged at the middle position on the main shaft; the gear B is arranged on the main shaft close to the right; the gear rack is fixedly arranged on the base, and a pinion and a gear D are fixedly arranged on a rotating shaft in the gear rack; a gear E is fixedly arranged at the end part of the connecting shaft, an outer side shaft of the gear E is rotatably connected with the front support frame, and the gear E is meshed with the gear G; step motor A fixed mounting is on the base, and step motor A's motor shaft and gear F fixed connection, gear F are located sliding sleeve's under, gear F and gear C movable engagement.
Further, the switching mechanism of the main body includes: the device comprises a fixed shaft, a sliding sleeve, a gear C, a large gear, a sliding rail, a pull rod, a connecting rod and a pull ring;
the end part of the fixed shaft is fixedly arranged on the inner side of the side plate of the base, the fixed shaft is sleeved with a sliding sleeve, one end of the sliding sleeve is fixedly provided with a gear C, and the other end of the sliding sleeve is fixedly provided with a large gear; the sliding rail is fixedly arranged on the side surface of the base, and a pull rod is arranged in the sliding rail in a sliding manner; the upper end of the connecting rod is rotatably connected with the pull rod, the lower end of the connecting rod is rotatably connected with the pull ring, and the pull ring is sleeved in the annular groove of the sliding sleeve.
Further, the arm-chair includes: the seat plate, the telescopic rod, the handrail, the connector, the push rod, the backup plate, the stepping motor B and the gear G;
the lower end face of the seat plate is connected with a rotating shaft at the upper end of the front support frame, the upper end face of the seat plate is connected with the backup plate through the rotating shaft, adjusting holes are formed in two sides of the backup plate, a telescopic rod is fixedly installed on the front end face of the seat plate, the front end of the telescopic rod is fixedly connected with the end portion of the handrail, and a plurality of holes are formed in the handrail; the connector is movably connected with the handrail, the connector is provided with a bolt, and the bolt is inserted into different holes on the handrail to adjust the height; the side lever of the push rod is fixedly connected with the connector; step motor B fixed mounting is in the rear end face of seat, and step motor B's motor shaft and gear G fixed connection, gear G and gear E intermeshing.
Further, the foot-operated device comprises: a lower telescopic sleeve, an upper telescopic sleeve, an annular shell, a gear H, a pedal and a chain;
the rear end of the lower telescopic sleeve is fixedly connected with the front end of the base, and the front end of the lower telescopic sleeve is fixedly connected with the annular shell; the upper telescopic sleeve is positioned on the lower telescopic sleeve, the rear end plate of the upper telescopic sleeve is fixedly connected with the base, and the inner side of the front end of the upper telescopic sleeve is fixedly connected with a plate on the side surface of the gear H; the annular shell is of an internal hollow structure, and a gear H is rotatably arranged in the annular shell; a rotating shaft of the pedal penetrates through a hole at the front end of the upper telescopic sleeve to be fixedly connected with the gear H; one end of the chain is wrapped with the gear H, and the other end of the chain is wrapped with the pinion.
Furthermore, a controller is installed on the base, and the controller controls the stepping motor A and the stepping motor B to operate.
The invention has the beneficial effects that:
(1) when the electric wheelchair is used, the pull rod is manually pressed down to drive the connecting rod to move, so that the sliding sleeve moves, the pull ring is further meshed with the gear F, the large gear is meshed with the gear B, the stepping motor A is started to drive the travelling wheel to rotate, and the electric wheelchair is convenient for equipment to move;
(2) the angle of inclination of the backup plate is adjusted by adjusting the insertion pin at the upper end of the backup plate supporting rod to be inserted into different holes on the side surface of the backup plate, so that people can have a rest in different postures;
(3) when the lower limb strength needs to be exercised, the pull rod is pulled manually to drive the connecting rod to move, so that the sliding sleeve moves, the pull ring is separated from the gear F, the large gear is meshed with the gear D, the large gear is meshed with the gear A, then the foot-operated device is moved to a specified length, the walking wheels are driven to rotate by pedaling the foot pedal, the driving movement is carried out, the lower limb strength can be exercised effectively, and the lower limb rehabilitation is facilitated;
(4) when people want to walk upright, the below of main part is received with foot-propelled device, manual disconnection between the upper end bolt with the backup plate bracing piece and the backup plate, then start through step motor B and drive the seat upwards rotatory stand and hold up the user, the problem of the inconvenience of moving the person and stand up to sit is solved, then insert the bolt of connector in the hole of different positions on the handrail, the height-adjusting, the user can hand the push rod and promote equipment and walk the exercise, user's safety has been protected, help the fast recovery.
Drawings
Fig. 1, 2 and 3 are schematic overall structural diagrams of the present invention.
Fig. 4, 5 and 6 are schematic structural diagrams of the main body of the present invention.
Fig. 7 is a partially enlarged structural view of the main body of the present invention.
Fig. 8 is a schematic structural view of the chair of the present invention.
Fig. 9 is a schematic structural view of the foot-operated device of the present invention.
Reference numerals:
1-a main body; 2-arm-chair; 3-a foot-operated device; 101-a travelling wheel; 102-a main shaft; 103-gear a; 104-gear B; 105-front support frame; 106-an auxiliary wheel; 107-a base; 108-a support plate; 109-backup plate support bar; 110-a fixed shaft; 111-a sliding sleeve; 112-gear C; 113-bull gear; 114-the gear carrier; 115-pinion gear; 116-gear D; 117-connecting shaft; 118-gear E; 119-a slide rail; 120-a pull rod; 121-connecting rod; 122-a pull ring; 123-step motor A; 124-gear F; 201-a seat plate; 202-a telescopic rod; 203-a handrail; 204-a connector; 205-a push rod; 206-backup plate; 207-step motor B; 208-gear G; 301-lower telescoping sleeve; 302-upper telescopic sleeve; 303-an annular shell; 304-gear H; 305-a pedal; 306-chain.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In an embodiment, as shown in fig. 1 to 9, a rehabilitation wheelchair having a function of exercising lower limbs includes: main part 1, arm-chair 2, foot-propelled device 3, its characterized in that, main part 1 include: the walking wheel 101, the main shaft 102, the front support frame 105, the auxiliary wheel 106, the base 107, the support plate 108, the backup plate support rod 109 and the switching mechanism;
the number of the travelling wheels 101 is two, and the two travelling wheels 101 are connected through a main shaft 102; the lower end of the front support frame 105 is rotatably provided with an auxiliary wheel 106, the upper end of the front support frame 105 is provided with a rotating shaft, the rotating shaft is connected with the lower end surface of the seat plate 201, the front end support of the base 107 is fixedly connected with the front support frame 105, the rear end support of the base 107 is connected with the main shaft 102 through a bearing, the base 107 is fixedly provided with a support plate 108, and the support plate 108 supports the seat plate 201; the lower end of the backup plate supporting rod 109 is fixedly connected with the base 107, a rotating shaft is arranged in the middle of the backup plate supporting rod 109, and a bolt is arranged at the upper end of the backup plate supporting rod 109 and inserted into holes at different positions on the side surface of the backup plate 206 through the bolt to adjust the inclination angle of the backup plate 206; the switching mechanism is arranged on the base 107 and performs switching between an electric mode and a foot-operated mode;
the armchair 2 is rotatably installed at the upper end of the front support frame 105, the armchair 2 can be used as a chair and a deck chair, and can also be erected to protect a user from falling backwards; the foot-operated device 3 is installed at the front part of the base 107, and the foot-operated device 3 can be switched to a foot-operated mode to exercise the lower limbs of the user.
In an optional implementation manner of the embodiment of the present invention, as shown in fig. 4 to 7, the main body 1 further includes: gear a103, gear B104, gear carrier 114, pinion 115, gear D116, connecting shaft 117, gear E118, stepping motor a123, gear F124;
gear a103 is disposed at an intermediate position on main shaft 102; gear B104 is disposed on spindle 102 at a position closer to the right; a gear rack 114 is fixedly arranged on the base 107, and a pinion 115 and a gear D116 are fixedly arranged on a rotating shaft in the gear rack 114; a gear E118 is fixedly mounted at the end of the connecting shaft 117, the outer side shaft of the gear E118 is rotatably connected with the front support frame 105, and the gear E118 is meshed with a gear G208; the stepping motor A123 is fixedly arranged on the base 107, a motor shaft of the stepping motor A123 is fixedly connected with the gear F124, the gear F124 is positioned right below the sliding sleeve 111, and the gear F124 is movably meshed with the gear C112.
The switching mechanism of the main body 1 includes: a fixed shaft 110, a sliding sleeve 111, a gear C112, a gearwheel 113, a sliding rail 119, a pull rod 120, a connecting rod 121 and a pull ring 122;
the end of the fixed shaft 110 is fixedly installed at the inner side of the side plate of the base 107, the fixed shaft 110 is sleeved with a sliding sleeve 111, one end of the sliding sleeve 111 is fixedly provided with a gear C112, and the other end of the sliding sleeve 111 is fixedly provided with a large gear 113; the slide rail 119 is fixedly arranged on the side surface of the base 107, and a pull rod 120 is arranged in the slide rail 119 in a sliding manner; the upper end of the connecting rod 121 is rotatably connected with the pull rod 120, the lower end of the connecting rod 121 is rotatably connected with the pull ring 122, and the pull ring 122 is sleeved in the annular groove of the sliding sleeve 111.
In an alternative embodiment of the invention, as shown in fig. 8, the chair 2 comprises: a seat board 201, an expansion link 202, a handrail 203, a connector 204, a push rod 205, a backup board 206, a stepping motor B207 and a gear G208;
the lower end face of the seat plate 201 is connected with a rotating shaft at the upper end of the front support frame 105, the upper end face of the seat plate 201 is connected with the backup plate 206 through the rotating shaft, adjusting holes are formed in two sides of the backup plate 206, the front end face of the seat plate 201 is fixedly provided with a telescopic rod 202, the front end of the telescopic rod 202 is fixedly connected with the end part of the handrail 203, and the handrail 203 is provided with a plurality of holes; the connector 204 is movably connected with the handrail 203, the connector 204 is provided with a bolt, and the bolt is inserted into different holes on the handrail 203 to adjust the height; the side rod of the push rod 205 is fixedly connected with the connector 204; the stepping motor B207 is fixedly arranged on the rear end surface of the seat plate 201, the motor shaft of the stepping motor B207 is fixedly connected with the gear G208, and the gear G208 is meshed with the gear E118.
In an alternative embodiment of the present invention, as shown in fig. 9, the foot-operated device 3 includes: a lower telescopic sleeve 301, an upper telescopic sleeve 302, an annular shell 303, a gear H304, a pedal 305 and a chain 306;
the rear end of the lower telescopic sleeve 301 is fixedly connected with the front end of the base 107, and the front end of the lower telescopic sleeve 301 is fixedly connected with the annular shell 303; the upper telescopic sleeve 302 is positioned on the lower telescopic sleeve 301, a rear end plate of the upper telescopic sleeve 302 is fixedly connected with the base 107, and the inner side of the front end of the upper telescopic sleeve 302 is fixedly connected with a plate on the side surface of the gear H304; the annular shell 303 is of a hollow structure, and a gear H304 is rotatably arranged inside the annular shell 303; a rotating shaft of the pedal 305 passes through a hole at the front end of the upper telescopic sleeve 302 and is fixedly connected with a gear H304; one end of the chain 306 wraps around the gear H304, and the other end of the chain 306 wraps around the pinion 115.
The working principle is as follows:
when the wheelchair is used as an electric wheelchair, the connecting rod 121 is driven to move by manually pressing the pull rod 120 downwards so as to move the sliding sleeve 111, so that the pull ring 122 is meshed with the gear F124, meanwhile, the large gear 113 is meshed with the gear B104, the stepping motor A123 is started to drive the gear F124 to rotate so as to drive the pull ring 122 to rotate and further drive the large gear 113 to rotate, the large gear 113 drives the gear B104 to rotate so as to drive the main shaft 102 to rotate and further drive the travelling wheels 101 to rotate, the auxiliary wheels 106 are driven so as to enable the whole equipment to move, the inclination angle of the backup plate 206 is adjusted by adjusting the insertion pins at the upper end of the backup plate supporting rod 109 to be inserted into different holes in the side surface of the backup plate 206, and people can take a rest in different postures;
when the strength of the lower limbs needs to be exercised, the pull rod 120 is pulled manually to drive the connecting rod 121 to move, so that the sliding sleeve 111 moves, the pull ring 122 is separated from the gear F124, the large gear 113 and the gear D116 are meshed with each other, meanwhile, the large gear 113 and the gear A103 are meshed with each other, the annular shell 303 is pulled forwards to enable the lower telescopic sleeve 301 and the upper telescopic sleeve 302 to extend to a specified length, the chain 306 is tightened to connect the gear H304 and the pinion 115, the pedal 305 of the foot is used for driving the gear H304 to rotate, so that the chain 306 is driven to rotate, the pinion 115 is driven to rotate, the gear D116 is driven by the pinion 115 to rotate, so that the large gear 113 is driven to rotate, the gear A103 is driven to rotate, the main shaft 102 is driven to drive the travelling wheel 101 to rotate, the auxiliary wheel 106 is driven to enable the whole equipment to move through the foot, the strength of the lower limbs can be effectively exercised, and the lower limb rehabilitation is facilitated;
when people want to walk upright, the annular shell 303 can be pushed backwards to pack the foot-operated device 3 below the main body 1, the connection between the bolt at the upper end of the backup plate supporting rod 109 and the backup plate 206 is disconnected manually, then the gear G208 is driven to rotate by starting the stepping motor B207, as the gear E118 is meshed with the gear G208, the gear E118 is fixed, the gear G208 rotates to drive the seat plate 201 to rotate upwards to lift a user, the problem that the mobility handicapped people cannot sit up is solved, then the bolt of the connector 204 is inserted into holes in different positions on the handrail 203, the height is adjusted, the user can hold the push rod 205 with the hands to push the equipment to walk and exercise, the safety of the user is protected, and quick recovery is facilitated.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Claims (4)

1. A rehabilitation wheelchair having a function of exercising lower limbs, comprising: main part (1), arm-chair (2), foot-propelled device (3), its characterized in that, main part (1) include: the walking wheel (101), the main shaft (102), the front support frame (105), the auxiliary wheel (106), the base (107), the support plate (108), the backup plate support rod (109) and the switching mechanism;
the two walking wheels (101) are connected through a main shaft (102); an auxiliary wheel (106) is rotatably mounted at the lower end of the front support frame (105), a rotating shaft is mounted at the upper end of the front support frame (105), the rotating shaft is connected with the lower end face of the seat plate (201), a front end support of the base (107) is fixedly connected with the front support frame (105), a rear end support of the base (107) is connected with the main shaft (102) through a bearing, a support plate (108) is fixedly mounted on the base (107), and the seat plate (201) is supported by the support plate (108); the lower end of the backup plate supporting rod (109) is fixedly connected with the base (107), a rotating shaft is arranged in the middle of the backup plate supporting rod (109), and a bolt is arranged at the upper end of the backup plate supporting rod (109) and inserted into holes at different positions on the side surface of the backup plate (206) through the bolt to adjust the inclination angle of the backup plate (206); the switching mechanism is arranged on the base (107) and performs switching between an electric mode and a foot-operated mode;
the arm-chair (2) is rotatably arranged at the upper end of the front support frame (105), and the arm-chair (2) can be used as a seat and a deck chair and can also be erected to protect a user from falling backwards; the foot-operated device (3) is arranged at the front part of the base (107), and can be switched into a foot-operated mode through the foot-operated device (3) to exercise the lower limbs of a user;
the main body (1) further comprises: a gear A (103), a gear B (104), a gear rack (114), a pinion (115), a gear D (116), a connecting shaft (117), a gear E (118), a stepping motor A (123) and a gear F (124);
the gear A (103) is arranged at the middle position on the main shaft (102); the gear B (104) is arranged on the main shaft (102) close to the right; a gear rack (114) is fixedly arranged on the base (107), and a pinion (115) and a gear D (116) are fixedly arranged on a rotating shaft in the gear rack (114); a gear E (118) is fixedly mounted at the end part of the connecting shaft (117), an outer side shaft of the gear E (118) is rotatably connected with the front support frame (105), and the gear E (118) is meshed with a gear G (208); a stepping motor A (123) is fixedly arranged on the base (107), a motor shaft of the stepping motor A (123) is fixedly connected with a gear F (124), the gear F (124) is positioned right below the sliding sleeve (111), and the gear F (124) is movably meshed with the gear C (112).
The switching mechanism of the main body (1) comprises: the device comprises a fixed shaft (110), a sliding sleeve (111), a gear C (112), a large gear (113), a sliding rail (119), a pull rod (120), a connecting rod (121) and a pull ring (122);
the end part of the fixed shaft (110) is fixedly arranged on the inner side of a side plate of the base (107), a sliding sleeve (111) is sleeved on the fixed shaft (110), one end of the sliding sleeve (111) is fixedly provided with a gear C (112), and the other end of the sliding sleeve (111) is fixedly provided with a large gear (113); the sliding rail (119) is fixedly arranged on the side surface of the base (107), and the pull rod (120) is arranged in the sliding rail (119) in a sliding manner; the upper end of the connecting rod (121) is rotatably connected with the pull rod (120), the lower end of the connecting rod (121) is rotatably connected with the pull ring (122), and the pull ring (122) is sleeved in the annular groove of the sliding sleeve (111);
the foot-operated device (3) comprises: a lower telescopic sleeve (301), an upper telescopic sleeve (302), an annular shell (303), a gear H (304), a pedal (305) and a chain (306);
the rear end of the lower telescopic sleeve (301) is fixedly connected with the front end of the base (107), and the front end of the lower telescopic sleeve (301) is fixedly connected with the annular shell (303); the upper telescopic sleeve (302) is positioned on the lower telescopic sleeve (301), a rear end plate of the upper telescopic sleeve (302) is fixedly connected with the base (107), and the inner side of the front end of the upper telescopic sleeve (302) is fixedly connected with a plate on the side face of the gear H (304); the annular shell (303) is of a hollow structure, and a gear H (304) is rotatably arranged in the annular shell (303); a rotating shaft of the pedal (305) penetrates through a hole at the front end of the upper telescopic sleeve (302) and is fixedly connected with a gear H (304); one end of the chain (306) is wrapped around the gear H (304), and the other end of the chain (306) is wrapped around the pinion (115).
2. The rehabilitation wheelchair with the function of exercising the lower limbs according to claim 1, characterized in that the arm-chair (2) comprises: the seat plate (201), the telescopic rod (202), the handrail (203), the backup plate (206), the stepping motor B (207) and the gear G (208);
the lower end face of the seat plate (201) is connected with a rotating shaft at the upper end of the front support frame (105), the upper end face of the seat plate (201) is connected with a backup plate (206) through the rotating shaft, adjusting holes are formed in two sides of the backup plate (206), an expansion rod (202) is fixedly installed on the front end face of the seat plate (201), the front end of the expansion rod (202) is fixedly connected with the end part of a handrail (203), and a plurality of holes are formed in the handrail (203); the stepping motor B (207) is fixedly arranged on the rear end face of the seat plate (201), a motor shaft of the stepping motor B (207) is fixedly connected with the gear G (208), and the gear G (208) is meshed with the gear E (118).
3. The rehabilitation wheelchair with the function of exercising the lower limbs according to claim 1, characterized in that the arm-chair (2) further comprises: a connector (204) and a push rod (205);
the connecting head (204) is movably connected with the handrail (203), the connecting head (204) is provided with a bolt, and the bolt is inserted into different holes on the handrail (203) to adjust the height; the side rod of the push rod (205) is fixedly connected with the connecting head (204), and the connecting head (204) and the push rod (205) can be manually pressed up only when the wheelchair needs to be exercised to walk and can be taken down when being used as a wheelchair.
4. The rehabilitation wheelchair with the function of exercising the lower limbs as claimed in claim 1, wherein a controller is mounted on the base (107), and the controller controls the operation of the stepping motor A (123) and the stepping motor B (207).
CN202110428602.7A 2021-04-21 2021-04-21 Rehabilitation wheelchair with lower limb exercising function Active CN113116649B (en)

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CN113975002B (en) * 2021-10-29 2023-04-28 浙江大学 Autonomous limb exercise device for rehabilitation of lower limbs
CN115944468A (en) * 2023-02-03 2023-04-11 深圳作为科技有限公司 Knee fixing device and walking-assisting robot

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