CN113712745A - Wheelchair convenient for sitting posture adjustment for orthopedics and use method thereof - Google Patents

Abstract

The invention discloses an orthopedic wheelchair convenient for sitting posture adjustment and a using method thereof, and relates to the technical field of medical instruments. The invention comprises a wheelchair frame; two main wheels are arranged on two sides of the wheelchair frame; two small wheels are arranged at the front end of the wheelchair frame; a driving power supply is arranged on the wheelchair frame; the wheelchair frame comprises a U-shaped frame with an opening in the horizontal direction; a pair of guide insertion tubes which are vertically arranged are fixed on the upper surfaces of the two walls of the U-shaped frame; two guide insertion tubes on the same side are symmetrically fixed with guide grooves relative to the inner wall; two slideways are symmetrically fixed on the upper surface of the connecting rod in the middle of the U-shaped frame; an operating handle for assisting pushing is arranged on the U-shaped frame; a T-shaped sliding block is arranged in the slideway in a sliding way; the guide cannula and the guide groove are provided with a movable seat which can move vertically. According to the invention, through the combination of the wheelchair frame, the main wheel, the small wheel, the driving power supply, the movable seat, the electric scissor type lifter, the base wane, the seat board, the backrest and the leg support, the wheelchair can be adjusted in multiple directions, and a patient can be helped to adjust to the most appropriate position.

Description

Wheelchair convenient for sitting posture adjustment for orthopedics and use method thereof

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to an orthopedic wheelchair convenient for sitting posture adjustment and a use method thereof.

Background

The lower limbs of the patient who has undergone lower limb orthopedic surgery are inconvenient and need to be repaired by using the nursing chair. The wheelchair is mainly simple in structure at present, walking wheels and universal wheels are arranged below the chair frame, and the wheelchair is simple in structure and single in function and cannot be suitable for nursing and using of orthopedic postoperative patients. The lower limbs of a person who has performed the lower limb operation cannot bear large force, a process suitable for rehabilitation is needed, and a common wheelchair patient cannot adjust to a comfortable position according to the stress point of the body.

Through the retrieval, application number is CN 201520734004.2's utility model relates to a wheelchair for orthopedic nursing, including chair frame, seat support, the back of the chair and handrail, the chair frame below is equipped with walking wheel and universal wheel, and its characterized in that chair frame front end is equipped with the gusset plate, is equipped with limbs reinforcing apparatus on the gusset plate, limbs reinforcing apparatus is hollow tubular structure, including semicircular punch holder and lower plate, and two splint one side are articulated through the round pin axle, and the opposite side passes through bolted connection. The utility model has the advantages of reasonable structure, multiple functions, safe and convenient use. The utility model discloses add limbs reinforcing apparatus on the basis of original wheelchair, can also freely switch between bed and wheelchair, have very big help to orthopedics postoperative patient's nursing. The wheelchair of above-mentioned scheme satisfies the needs of adjustment to a certain extent, but the structure of pure machinery can't let the patient oneself find suitable angle of adjustment. The invention with the application number of CN201810363850.6 discloses an orthopedic nursing bed for adjusting the posture, the structure comprises a nursing bed bottom supporting frame, a nursing bed fixing supporting plate and a nursing bed bottom transmission case, the nursing bed fixing support plate is provided with a head convex soft cushion, a side protection plate, a foot supporting cushion, a movable backrest soft cushion and a leg fixing support frame, the transmission case at the bottom of the nursing bed is provided with a foot fixing and adjusting mechanism, a foot adjusting mechanism touch device, a transmission plate inside the transmission case, a back cushion adjusting and touching device and a back cushion supporting and adjusting mechanism, so that when the device is used, the first control handle and the second control handle can be manually adjusted to rotate, thereby the nursing bed is folded to become a wheelchair, so that the patient can move independently without being monitored by family members, and the nursing bed is simple to operate, convenient to use and capable of accelerating the rehabilitation of the patient. The above scheme meets the needs of patients to a certain extent, but has less adjustable range and can not meet the requirement of height-oriented adjustment. Therefore, the present application document provides an orthopedic wheelchair with sitting posture adjustment convenience, which is used for solving the technical problems.

Disclosure of Invention

The invention aims to provide an orthopedic wheelchair convenient for sitting posture adjustment and a using method thereof.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to an orthopedic wheelchair convenient for sitting posture adjustment and a using method thereof, comprising a wheelchair frame; two main wheels are arranged on two sides of the wheelchair frame; two small wheels are installed at the front end of the wheelchair frame; a driving power supply is arranged on the wheelchair frame; the wheelchair frame comprises a U-shaped frame with an opening in the horizontal direction; a pair of guide insertion tubes which are vertically arranged are fixed on the upper surfaces of the two walls of the U-shaped frame; two guide inserting pipes on the same side are symmetrically fixed with guide grooves relative to the inner wall; two slide ways are symmetrically fixed on the upper surface of the connecting rod in the middle of the U-shaped frame; an operating handle for assisting in pushing is arranged on the U-shaped frame; a T-shaped sliding block is arranged in the slide way in a sliding way; the guide insertion tube and the guide groove are provided with a movable seat which moves vertically; the upper surfaces of the two side walls of the U-shaped frame are respectively provided with an electric scissor type lifter for supporting the movable seat, and the electric scissor type lifter is positioned between the two guide grooves; a base wane is rotatably arranged on the movable seat; the movable seat is provided with a swinging driver for driving the base wane to upwarp; the upper surface of the base wane is provided with a base plate through an electric screw rod slide block guide rail mechanism; the two T-shaped sliding blocks are rotatably provided with a backrest through a pin shaft; the lower end of the backrest is in rotating fit with the end part of the adjacent seat plate through a hinge; the other end of the seat board is provided with two leg supports for supporting the legs; an electric telescopic rod is arranged between the leg support and the seat board; the movable seat is provided with a controller; the electric shear type lifting machine, the swing driver, the electric lead screw slide block guide rail mechanism and the electric telescopic rod are all connected with a driving power supply.

Further, the movable seat comprises a U-shaped groove plate; a rectangular notch is formed in the bottom of the U-shaped groove plate close to the front end; the lower surface of the U-shaped groove plate is positioned at the opening end of the rectangular notch, and a lapping plate for limiting the swing driver is fixed; the lower surface of the U-shaped groove plate is positioned below the rectangular notch, and a U-shaped bracket for mounting a swinging driver is fixed on the lower surface of the U-shaped groove plate; the side wall of the U-shaped groove plate is provided with a guide insertion rod which is in insertion fit with the guide insertion tube through a cushion block; the upper ends of the two guide inserting rods on the same side are fixed with handrails; two telescopic rods are fixed on the lower surface of the handrail and positioned between the two guide inserting rods; and a guide cushion block matched with the guide grooves on the two sides is fixed at the lower end of the two telescopic rods.

Further, the swing driver comprises a swing motor and a shifting plate connected with an output shaft of the swing motor.

Further, the front end of the base wane extends to the outer side of the movable seat.

Further, a seat cushion is arranged on the upper surface of the seat plate.

Further, a back cushion is arranged on the side face of the backrest; two double-lug hinged bases matched with the T-shaped sliding blocks are fixed at one side of the upper end part of the backrest, which is adjacent to the T-shaped sliding blocks.

Further, the leg support comprises a plate body for supporting the lower leg; the lower end of the plate body is provided with a pedal; the outer side of the plate body is provided with a baffle plate.

Furthermore, the controller comprises a switch, a first button and a second button for controlling the swing driver to jack or level the base wane, a third button and a fourth button for controlling the electric scissor lift to lift, a fifth button and a sixth button for controlling the electric screw rod slide block guide rail mechanism to move back and forth, and a seventh button, an eighth button, a ninth button and a tenth button for controlling the electric telescopic rod to stretch.

Furthermore, a connecting handle is arranged between the small wheel and the U-shaped frame of the wheelchair frame; the whole connecting handle is of a convex structure, and the convex end of the connecting handle is rotationally connected with a threaded rod fixed on the U-shaped frame and is fixed through a bolt; the other end of the connecting handle is used for mounting a small wheel.

The use method of the wheelchair for orthopedics department, which is convenient for sitting posture adjustment, comprises the following steps:

the SS01 adjusts the width of the front wheel, loosens the bolt for fixing the connecting handle, adjusts the angle of the connecting handle, further adjusts the width between two small wheels at the front end of the wheelchair, and adjusts the stress surface of the wheelchair;

the SS02 adjusts the height of the wheelchair, and the patient sitting on the wheelchair can be lifted or lowered by controlling the electric scissor lift through the controller, so as to change the sitting height of the patient;

SS03 adjusts the elevation angle of the backrest, the patient sitting on the wheelchair controls the electric screw rod slide block guide rail mechanism to move back and forth through the controller, and when the seat plate is driven to move forward, the backrest is driven to incline and the inclination angle is increased; when the seat board is driven backwards, the backrest is driven to be inclined and the inclination angle is reduced;

SS04 adjusts the elevation angle of the thigh, the patient sitting on the wheelchair controls the swing of the swing driver through the controller, when the shifting plate of the swing driver swings upwards, the front end of the base wane lifts passively, the thigh lifts along with the front end of the base wane, and the upward elevation angle of the thigh is increased; when the shifting plate of the swing driver swings downwards, the front end of the base wane falls passively, the thigh falls along with the front end of the base wane, and the upward elevation angle of the thigh is reduced;

the SS05 adjusts the stretching state of the crus, the patient sitting on the wheelchair controls the stretching of the electric telescopic rod through the controller, and the crus are in the stretching state when the electric telescopic rod stretches out; the electric telescopic rod retracts to bend the shank downwards;

the SS06 can be freely adjusted, and the adjustment steps from the SS02 to the SS05 can be synchronously performed without being divided into front and back.

The invention has the following beneficial effects:

1. the invention is vertically movably arranged on the movable seat of the wheelchair frame, and the sitting height of the wheelchair is adjusted by the electric scissor lift; the elevation angle of the backrest is adjusted through the electric screw rod slide block guide rail mechanism, the seat plate and the backrest; the thigh elevation angle is adjusted through the swing driver and the base wane; the adjustment is carried out through an electric telescopic rod; the whole wheelchair can be adjusted in multiple directions, and a patient can conveniently adjust to a comfortable position.

2. The width of the front small wheel can be adjusted and controlled through the connecting handle, the area of an acting point is enlarged, and the stability of the wheelchair is improved.

3. The invention has the advantages of reasonable and simple integral structure, convenient operation and use, simple maintenance and suitability for popularization and use.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an orthopedic wheelchair with sitting posture adjustment convenience.

Fig. 2 is a front view of the present invention.

Fig. 3 is a left side view of the present invention.

FIG. 4 is a schematic view of the structure of the wheelchair frame, main wheels, small wheels and driving power supply.

Fig. 5 is a partial enlarged view of a portion a in fig. 4.

Fig. 6 is a schematic structural diagram of the movable seat, the swing driver and the controller.

Fig. 7 is a schematic structural view of a base rocker.

Fig. 8 is a schematic structural view of the seat plate, the leg support and the telescopic rod.

Fig. 9 is a schematic structural view of the backrest.

In the drawings, the components represented by the respective reference numerals are listed below:

1-wheelchair frame, 2-main wheel, 3-small wheel, 4-driving power supply, 5-movable seat, 6-electric scissor lift, 7-base rocker, 8-seat plate, 9-backrest, 10-leg support, 11-U-shaped frame, 12-guide insertion tube, 13-guide groove, 14-slideway, 15-T-shaped slide block, 51-U-shaped groove plate, 52-rectangular notch, 53-lap plate, 54-U-shaped bracket, 55-cushion block, 56-guide insertion rod, 57-armrest, 58-telescopic rod, 59-guide cushion block, 81-cushion, 91-back cushion, 92-double-ear hinged seat, 101-plate body, 102-pedal, 103-baffle plate, 111-swing driver, 112-electric screw rod slide block guide rail mechanism, 113-an electric telescopic rod, 114-a controller and 115-a connecting handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the wheelchair for orthopedics convenient to adjust sitting posture and the using method thereof of the invention comprises a wheelchair frame 1; two main wheels 2 are arranged on two sides of the wheelchair frame 1; two small wheels 3 are arranged at the front end of the wheelchair frame 1; a driving power supply 4 is arranged on the wheelchair frame 1; the wheelchair frame 1 comprises a U-shaped frame 11 with an opening in the horizontal direction; a pair of guide insertion tubes 12 which are vertically arranged are fixed on the upper surfaces of the two walls of the U-shaped frame 11; two guide insertion tubes 12 on the same side are symmetrically fixed with guide grooves 13 relative to the inner wall; two slideways 14 are symmetrically fixed on the upper surface of the connecting rod in the middle of the U-shaped frame 11; an operating handle for assisting pushing is arranged on the U-shaped frame 11; a T-shaped sliding block 15 is arranged in the slideway 14 in a sliding way; the guide insertion tube 12 and the guide groove 13 are provided with a movable seat 5 which moves vertically; the upper surfaces of the two side walls of the U-shaped frame 11 are respectively provided with an electric scissor type lifter 6 for supporting the movable seat 5, and the electric scissor type lifter 6 is positioned between the two guide grooves 13; a base wane 7 is rotatably arranged on the movable seat 5; the movable seat 5 is provided with a swing driver 111 for driving the base wane 7 to upwarp; the upper surface of the base wane 7 is provided with a seat plate 8 through an electric screw rod slide block guide rail mechanism 112; the two T-shaped sliding blocks 15 are rotatably provided with a backrest 9 through a pin shaft; the lower end of the backrest 9 is in rotating fit with the end part of the adjacent seat plate 8 through a hinge; the other end of the seat board 8 is provided with two leg supports 10 for supporting the legs; an electric telescopic rod 113 is arranged between the leg support 10 and the seat board 8; the controller 114 is arranged on the movable seat 5; the electric scissor lift 6, the swing driver 111, the electric lead screw slide block guide rail mechanism 112 and the electric telescopic rod 113 are all connected with the driving power source 4.

Wherein, the movable seat 5 comprises a U-shaped groove plate 51; a rectangular notch 52 is arranged at the bottom of the U-shaped groove plate 51 close to the front end; a bridging plate 53 which is used for limiting the swing driver 111 is fixed on the lower surface of the U-shaped groove plate 51 and is positioned at the opening end of the rectangular notch 52; a U-shaped bracket 54 which is used for installing the swinging driver 111 is fixed on the lower surface of the U-shaped groove plate 51 and is positioned below the rectangular notch 52; the side wall of the U-shaped groove plate 51 is provided with a guide insertion rod 56 which is in insertion fit with the guide insertion tube 12 through a cushion block 55; the upper ends of the two guide inserting rods 56 on the same side are fixed with handrails 57; two telescopic rods 58 are fixed on the lower surface of the handrail 57 and positioned between the two guide inserting rods 56; the lower ends of the two telescopic rods 58 are fixed with a guide cushion block 59 matched with the guide grooves 13 on the two sides.

The swing driver 111 includes a swing motor and a dial plate connected to an output shaft of the swing motor.

Wherein, the front end of the base wane 7 extends to the outer side of the movable seat 5.

Wherein, the upper surface of the seat plate 8 is provided with a cushion 81, and the cushion 81 accords with the human engineering.

Wherein, the side of the backrest 9 is provided with a back cushion 91, and the back cushion 91 conforms to the human engineering; two double-lug hinged bases 92 matched with the T-shaped sliding blocks 15 are fixed at the upper end part of the backrest 9 adjacent to one side of the T-shaped sliding blocks 15.

The leg support 10 comprises a plate body 101 for supporting the lower leg; the lower end of the plate body 101 is provided with a pedal 102; a baffle plate 103 is disposed on the outer side of the plate body 101.

The controller 114 includes a switch, a first button and a second button for controlling the swing driver 111 to lift or level the base rocker 7, a third button and a fourth button for controlling the electric scissor lift 6 to lift, a fifth button and a sixth button for controlling the electric screw slider guide rail mechanism 112 to move back and forth, and a seventh button, an eighth button, a ninth button and a tenth button for controlling the electric telescopic rod 113 to extend and retract.

Wherein, a connecting handle 115 is arranged between the small wheel 3 and the U-shaped frame 11 of the wheelchair frame 1; the connecting handle 115 is in a convex structure as a whole, and the convex end of the connecting handle 115 is rotationally connected with a threaded rod fixed on the U-shaped frame 11 and is fixed through a bolt; the other end of the connecting handle 115 is used for mounting the small wheel 3.

The use method of the wheelchair for orthopedics department, which is convenient for sitting posture adjustment, comprises the following steps:

the SS01 adjusts the width of the front wheel, loosens the bolt for fixing the connecting handle 115, adjusts the angle of the connecting handle 115, further adjusts the width between two small wheels 3 at the front end of the wheelchair, and adjusts the stress surface of the wheelchair.

The SS02 adjusts the sitting height of the wheelchair, and the controller 114 controls the lifting of the electric scissor lift 6 to raise or lower the patient as a whole, thereby changing the sitting height of the patient.

SS03 adjusts the elevation angle of backrest 9, the patient sitting on the wheelchair controls the electric screw rod slide block guide rail mechanism 112 to move back and forth through the controller 114, when the seat plate 8 is driven to move forward, the backrest 9 is driven to increase the inclination angle; when the seat plate 8 is driven backward, the reclining angle is reduced with the backrest 9.

SS04 adjusts the elevation angle of thigh, the patient sitting on the wheelchair controls the swing driver 111 to swing through the controller 114, when the paddle of the swing driver 111 swings upwards, the front end of the base rocker 7 lifts passively, the thigh lifts along with the passive lifting, and the upward elevation angle of thigh is increased; when the paddle of the swing driver 111 swings downward, the front end of the base rocker 7 falls passively, and the thigh falls with it, reducing the upward elevation angle of the thigh.

The SS05 adjusts the stretching state of the lower leg, the controller 114 controls the stretching of the electric telescopic rod 113 for the patient sitting on the wheelchair, and when the electric telescopic rod 113 stretches out, the leg support 10 turns upwards to enable the lower leg to be in the stretching state; the electric telescopic rod 113 retracts the leg support 10 to turn the lower leg downwards to bend downwards.

SS06 can be freely adjusted, the adjustment steps of SS02-SS05 can be carried out synchronously without being divided into front and back, and the adjustment can be carried out before the patient sits on the wheelchair.

The whole wheelchair can be adjusted in multiple directions, and a patient can be helped to adjust to the most proper position.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (10)

1. A wheelchair for orthopedics convenient to adjust sitting postures and a using method thereof comprise a wheelchair frame (1); two main wheels (2) are arranged on two sides of the wheelchair frame (1); two small wheels (3) are arranged at the front end of the wheelchair frame (1); a driving power supply (4) is arranged on the wheelchair frame (1);

the method is characterized in that:

the wheelchair frame (1) comprises a U-shaped frame (11) with an opening in the horizontal direction; a pair of guide insertion tubes (12) which are vertically arranged are fixed on the upper surfaces of the two walls of the U-shaped frame (11); two guide inserting pipes (12) on the same side are symmetrically fixed with guide grooves (13) relative to the inner wall; two slide ways (14) are symmetrically fixed on the upper surface of the connecting rod in the middle of the U-shaped frame (11); an operating handle for assisting pushing is arranged on the U-shaped frame (11); a T-shaped sliding block (15) is arranged in the slide way (14) in a sliding way;

the guide insertion pipe (12) and the guide groove (13) are provided with a movable seat (5) which moves vertically; the upper surfaces of the two side walls of the U-shaped frame (11) are respectively provided with an electric scissor type lifting machine (6) for supporting the movable seat (5), and the electric scissor type lifting machine (6) is positioned between the two guide grooves (13);

a base wane (7) is rotatably arranged on the movable seat (5); a swing driver (111) is arranged on the movable seat (5) and used for driving the base wane (7) to upwarp;

the upper surface of the base wane (7) is provided with a seat plate (8) through an electric screw rod slide block guide rail mechanism (112);

the two T-shaped sliding blocks (15) are rotatably provided with a backrest (9) through pin shafts; the lower end of the backrest (9) is in rotating fit with the end part of the adjacent seat plate (8) through a hinge;

the other end of the seat board (8) is provided with two leg supports (10) for supporting legs;

an electric telescopic rod (113) is arranged between the leg support (10) and the seat plate (8);

the movable seat (5) is provided with a controller (114); the electric shear type lifting machine (6), the swing driver (111), the electric screw rod slide block guide rail mechanism (112) and the electric telescopic rod (113) are all connected with the driving power supply (4).

2. The wheelchair as claimed in claim 1, wherein the movable seat (5) comprises a U-shaped groove plate (51); a rectangular notch (52) is formed in the bottom of the U-shaped groove plate (51) close to the front end; the lower surface of the U-shaped groove plate (51) is positioned at the opening end of the rectangular notch (52), and a lapping plate (53) for limiting the swing driver (111) is fixed; the lower surface of the U-shaped groove plate (51) is positioned below the rectangular notch (52) and is fixedly provided with a U-shaped bracket (54) for mounting a swinging driver (111); the side wall of the U-shaped groove plate (51) is provided with a guide insertion rod (56) which is in insertion fit with the guide insertion pipe (12) through a cushion block (55); the upper ends of the two guide inserting rods (56) on the same side are fixed with armrests (57); two telescopic rods (58) are fixed on the lower surface of the handrail (57) and positioned between the two guide inserting rods (56); the lower ends of the two telescopic rods (58) are fixed with a guide cushion block (59) matched with the guide grooves (13) on the two sides.

3. The wheelchair for orthopedics convenient to adjust sitting posture as claimed in claim 1 or 2, characterized in that the swing driver (111) comprises a swing motor and a dial plate connected with an output shaft of the swing motor.

4. The wheelchair with the function of adjusting the sitting posture for orthopaedics is characterized in that the front end of the base rocker (7) extends to the outer side of the movable seat (5).

5. The wheelchair for orthopedics convenient sitting posture adjustment according to claim 1, characterized in that the seat board (8) is provided with a cushion (81) on the upper surface.

6. The wheelchair convenient for sitting posture adjustment in orthopaedics as claimed in claim 1, wherein a back cushion (91) is arranged on the side of the backrest (9); two double-lug hinged bases (92) matched with the T-shaped sliding blocks (15) are fixed on one side of the upper end part of the backrest (9) adjacent to the T-shaped sliding blocks (15).

7. The wheelchair as claimed in claim 1, wherein the leg rest (10) comprises a plate (101) for supporting the lower leg; the lower end of the plate body (101) is provided with a pedal (102); and a baffle plate (103) is arranged on the outer side of the plate body (101).

8. The wheelchair capable of adjusting the sitting posture for orthopedics department as claimed in claim 1, wherein the controller (114) comprises a switch, a first button and a second button for controlling the swing driver (111) to jack up or level the base wane (7), a third button and a fourth button for controlling the electric scissor lift (6) to lift, a fifth button and a sixth button for controlling the electric screw rod slider guide rail mechanism (112) to move back and forth, and a seventh button, an eighth button, a ninth button and a tenth button for controlling the electric telescopic rod (113) to extend and retract.

9. The wheelchair convenient for sitting posture adjustment in orthopaedics is characterized in that a connecting handle (115) is arranged between the small wheel (3) and a U-shaped frame (11) of the wheelchair frame (1); the whole connecting handle (115) is of a convex structure, and the convex end of the connecting handle (115) is rotationally connected with a threaded rod fixed on the U-shaped frame (11) and is fixed through a bolt; the other end of the connecting handle (115) is used for mounting the small wheel (3).

10. Use of an orthopaedic wheelchair for facilitating adjustment of the sitting posture according to any of claims 1-9, comprising the steps of:

SS01 adjusts the width of the front wheel, loosens the bolt of the fixed connecting handle (115), adjusts the angle of the connecting handle (115), and then adjusts the width between two small wheels (3) at the front end of the wheelchair, adjusts the stress surface of the wheelchair;

the SS02 adjusts the height of the wheelchair, a patient sitting on the wheelchair controls the lifting of the electric scissor lift (6) through the controller (114), so that the whole patient is lifted or lowered, and the sitting height of the patient is changed;

SS03 adjusts the elevation angle of the backrest (9), the patient sitting on the wheelchair controls the electric screw rod slide block guide rail mechanism (112) to move back and forth through the controller (114), and when the seat plate (8) is driven to move forward, the backrest (9) is driven to increase the inclination angle; when the seat plate (8) is driven backwards, the backrest (9) is driven to reduce the inclination, and the inclination angle is reduced;

SS04 adjusts the elevation angle of the thigh, the patient sitting on the wheelchair controls the swing driver (111) to swing through the controller (114), when the pulling plate of the swing driver (111) swings upwards, the front end of the base rocker (7) is passively lifted, the thigh is lifted along with the passive lifting, and the upward elevation angle of the thigh is increased; when the shifting plate of the swing driver (111) swings downwards, the front end of the base wane (7) falls passively, the thigh falls along with the base wane, and the upward elevation angle of the thigh is reduced;

SS05 adjusts the stretching state of the lower leg, the patient sitting on the wheelchair controls the stretching of the electric telescopic rod (113) through the controller (114), and when the electric telescopic rod (113) stretches out, the lower leg is in the stretching state; the electric telescopic rod (113) retracts the shank and bends downwards;

the SS06 can be freely adjusted, and the adjustment steps from the SS02 to the SS05 can be synchronously performed without being divided into front and back.

Images