CN112515868A - Convenient wheelchair of surgical nursing - Google Patents

Convenient wheelchair of surgical nursing Download PDF

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Publication number
CN112515868A
CN112515868A CN202011493083.4A CN202011493083A CN112515868A CN 112515868 A CN112515868 A CN 112515868A CN 202011493083 A CN202011493083 A CN 202011493083A CN 112515868 A CN112515868 A CN 112515868A
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CN
China
Prior art keywords
wheel
shaft
frame
axle
seat frame
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Withdrawn
Application number
CN202011493083.4A
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Chinese (zh)
Inventor
杨维
杨苏
褚军
秦晓宇
杨焕山
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Individual
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Individual
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Publication date
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Priority to CN202011493083.4A priority Critical patent/CN112515868A/en
Publication of CN112515868A publication Critical patent/CN112515868A/en
Withdrawn legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/02Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person
    • A61G5/028Special adaptations or provisions on hand rim, e.g. for facilitating gripping
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/02Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person
    • A61G5/021Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person having particular propulsion mechanisms
    • A61G5/022Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person having particular propulsion mechanisms acting on wheels, e.g. on tires or hand rims
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/02Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person
    • A61G5/024Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person having particular operating means
    • A61G5/026Cranks or hand wheels
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10Parts, details or accessories
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/12Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles

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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)
  • Rehabilitation Tools (AREA)

Abstract

The invention relates to a convenient wheelchair for surgical nursing, which comprises a seat frame, a front wheel mechanism, a rear wheel mechanism and wheel shaft mechanisms, wherein the seat frame is fixed on the top surface of the wheel shaft mechanisms, a backrest is erected at the rear end of the top surface of the seat frame, a seat cushion is arranged on the top surface of the seat frame, a backrest cushion is arranged on the front side surface of the backrest frame, side handrails are symmetrically arranged on two sides of the top surface of the seat frame, the rear wheel mechanism is connected to the outer sides of two ends of the wheel shaft mechanisms, the front wheel mechanism is fixed at the front end of the bottom surface of the seat frame, manual driving mechanisms are fixed on the outer sides of the front. The wheelchair optimizes the design of the wheelchair, is improved into the wheelchair with manual self-driving, is beneficial to the upper limb rehabilitation of a user, has more exercise capability in the driving mode, adopts a hand-driven structure with bilateral activity, has wider applicability, adopts a pure mechanical structure, is durable and not easy to damage, saves more labor in engineering design, and is suitable for popularization and use.

Description

Convenient wheelchair of surgical nursing
Technical Field
The invention relates to the field of nursing medical equipment, in particular to a convenient wheelchair for surgical nursing.
Background
Wheelchairs are chairs equipped with wheels to help replace walking and are classified into electric and manual folding wheelchairs. The wheelchair not only meets the requirements of physical disabilities and mobility-handicapped people for riding instead of walking, but also is more important to facilitate the family members to move and take care of the patients, so that the patients can do physical exercise and participate in social activities by virtue of the wheelchair, the traditional wheelchair also needs special personnel to drive the wheelchair and load personnel, and cannot add certain functions for some people with certain mobility, for some people with healthy upper limbs, a manual self-driving wheelchair which can be easily moved by a user without accompanying with a caregiver needs to be designed, in addition, most wheelchairs used in the sports meeting of the disabled adopt a manual chain transmission mode, the transmission efficiency is low, and a good competition wheelchair can be provided for the movement of the disabled.
Disclosure of Invention
The invention aims to provide a convenient wheelchair for surgical nursing, which aims to solve the technical problems and adopts the following technical scheme for realizing the aim:
the utility model provides a convenient wheelchair of surgical nursing, includes seat frame, back frame, seatpad, back pad, side handrail, manual drive mechanism, front wheel mechanism, rear wheel mechanism, shaft mechanism, the top surface at shaft mechanism is fixed to the seat frame, the back erects the top surface rear end at the seat frame, the top surface at the seat frame is established to the seatpad, the back pad is established in the leading flank of back frame, the side handrail is equipped with two sets ofly, and two sets of side handrails are the top surface both sides of establishing at the seat frame of symmetry, the rear wheel mechanism is equipped with two sets ofly, and two sets of rear wheel mechanisms are connected in the both ends outside of shaft mechanism, the front wheel mechanism is equipped with two sets ofly, and two sets of front wheel mechanisms are fixed at the bottom surface front end of seat frame, and two sets of manual drive mechanisms's rear end are connected in the both ends of, The backrest frame and the side handrail are welded integrally.
On the basis of the technical scheme, the front wheel mechanism consists of a front wheel, a wheel connecting frame, a steering shaft, pedals and a pedal frame, the wheel connecting frame is connected to the bottom side of the front end of the seat frame through the steering shaft, the pedals are erected on the inner side of the wheel connecting frame, the pedals are fixed to the top surface of the pedal frame, the front wheel is connected to the outer side of the wheel connecting frame, and the wheel connecting frame can rotate by taking the steering shaft as an axis.
On the basis of the technical scheme, the rear wheel mechanism consists of a tire, a wheel hub, an inner shaft wheel and an outer supporting wheel, the tire is arranged on the outer side of the wheel hub, the inner shaft wheel is arranged at the center of the wheel hub, the outer supporting wheel is arranged on the outer side surface of the wheel hub, the inner shaft wheel and the outer supporting wheel are integrally formed, and the inner shaft wheel is connected to the outer end of the wheel shaft mechanism.
On the basis of the technical scheme, the wheel shaft mechanism comprises a shaft barrel, a loading shaft plate, two inner main shaft structures, differential gears and a hand-driven connecting rod, wherein the loading shaft plate is arranged on the top surface of the shaft barrel, the shaft barrel and the loading shaft plate are integrally formed, the two inner main shaft structures are symmetrically arranged at two ends inside the shaft barrel, the two inner main shaft structures are connected through the differential gears, the hand-driven connecting rod is connected to the front sides of two ends of each inner main shaft structure, the inner shaft wheel is connected to the outer ends of the inner main shaft structures, fixing holes are formed in the top surface of the loading shaft plate, the seat frame is fixed on the top surface of the loading shaft plate, and the front end of the hand-driven connecting rod is connected to the bottom end of the hand-driven mechanism.
On the basis of the technical scheme, the manual driving mechanism is composed of a crank arm hand-operated rod and a connecting fork head, the connecting fork head is arranged at the bottom end of the crank arm hand-operated rod, the crank arm hand-operated rod and the connecting fork head are integrally formed, the bottom end of the crank arm hand-operated rod is connected to the bottom side of the front end of the seat frame through a pin shaft, the front end of the hand-driven connecting rod is connected into the connecting fork head through the pin shaft, and the hand-driven connecting rod can rotate in the connecting fork head by taking the pin shaft as the axis.
On the basis of the technical scheme, the inner spindle structure comprises a side end different-axis wheel, a wheel axle end, a shaft rod, differential axle ends and a driving sleeve wheel, wherein the wheel axle end is arranged on the outer side surface of the side end different-axis wheel, the shaft rod is arranged on the inner side surface of the side end different-axis wheel, the differential axle ends are arranged on the inner side end of the shaft rod, the driving sleeve wheel is connected in the side end different-axis wheel, the differential gear is connected between two groups of differential axle ends which are oppositely arranged, the inner axle wheel is connected on the outer side of the wheel axle end, the rear end of the hand-driven connecting rod is arranged on the outer side of the driving sleeve wheel, axle grooves are formed in the two side ends of the axle cylinder, the side end different-axis wheel is arranged in the.
On the basis of the technical scheme, the side different-axis wheel consists of two groups of side wheel discs and different-axis shafts, the two groups of side wheel discs are oppositely arranged, the different-axis shafts are arranged between the two groups of side wheel discs and are arranged at the non-circle center positions of the side wheel discs, the driving sleeve wheel is sleeved on the outer side of the different-axis shafts and can rotate on the outer side of the different-axis shafts, and the driving sleeve wheel takes the different-axis shafts as the circle center to do circular motion.
On the basis of the technical scheme, the driving sleeve wheel consists of an inner sleeve wheel and an outer sleeve wheel, the inner sleeve wheel is arranged on the inner side of the outer sleeve wheel, the inner sleeve wheel can rotate on the inner side of the outer sleeve wheel, the hand driving connecting rod is arranged on the outer side of the outer sleeve wheel, the hand driving connecting rod and the outer sleeve wheel are integrally formed, the inner sleeve wheel is arranged on the outer side of the eccentric shaft, and the inner discussion can rotate on the outer side of the eccentric shaft.
On the basis of the technical scheme, the seat frame, the backrest frame, the side handrails, the wheel connecting frame, the steering shaft, the pedal frame, the crank arm hand lever and the connecting fork head are made of stainless steel materials, the seat cushion and the backrest cushion are made of sponge mixed fillers, and the shaft cylinder, the loading shaft plate, the inner main shaft structure, the differential gear and the hand-driven connecting rod are made of forged steel materials.
Compared with the prior art, the invention has the following advantages: the wheelchair optimizes the design of the wheelchair, changes the design that the traditional wheelchair can be used only under the condition that accompanying personnel accompany, improves the wheelchair into the wheelchair with manual self-driving, is beneficial to the upper limb rehabilitation of a user, has more exercise capability in addition, adopts a hand-driven structure with bilateral activity, has wider applicability, adopts a pure mechanical structure, is durable and not easy to damage, has more labor-saving engineering design, can be selected by the user due to the fact that the side surface is provided with the outer supporting wheel, and is suitable for popularization and use.
Drawings
Fig. 1 is a general appearance state diagram of the present invention.
FIG. 2 is a schematic view of the front wheel mechanism connection of the present invention.
FIG. 3 is a schematic view of the rear wheel mechanism of the present invention.
Fig. 4 is an external schematic view of the axle mechanism of the present invention.
Fig. 5 is a schematic view of the axle mechanism of the present invention removed.
Fig. 6 is a schematic view of the connection of the manual driving mechanism of the present invention.
FIG. 7 is a schematic view of the inner spindle structure of the present invention.
Fig. 8 is a schematic view of a drive sheave of the present invention.
In the figure: the device comprises a seat frame 1, a backrest frame 2, a seat cushion 3, a backrest cushion 4, side handrails 5, a manual driving mechanism 6, a front wheel mechanism 7, a rear wheel mechanism 8, an axle mechanism 9, front wheels 10, a wheel connecting frame 11, a steering shaft 12, pedals 13, pedal frames 14, tires 15, hubs 16, inner shaft wheels 17, outer supporting wheels 18, a shaft barrel 19, a loading shaft plate 20, an inner main shaft structure 21, a differential gear 22, a manual driving connecting rod 23, a fixing hole 24, a crank arm hand lever 25, a connecting fork 26, a pin shaft 27, side end differential shaft wheels 28, an axle end 29, a shaft rod 30, a differential shaft end 31, a driving sleeve wheel 32, a shaft groove 33, a side wheel disc 34, a differential shaft 35, inner sleeve wheels 36 and an outer sleeve wheel 37.
Detailed Description
The invention is described in further detail below with reference to the figures and the detailed description.
A convenient wheelchair for surgical nursing comprises a seat frame 1, a backrest frame 2, a seat cushion 3, backrest cushions 4, side handrails 5, manual driving mechanisms 6, front wheel mechanisms 7, rear wheel mechanisms 8 and wheel shaft mechanisms 9, wherein the seat frame 1 is fixed on the top surface of the wheel shaft mechanisms 9, the backrest frame 2 is arranged at the rear end of the top surface of the seat frame 1, the seat cushion 3 is arranged on the top surface of the seat frame 1, the backrest cushions 4 are arranged on the front side surface of the backrest frame 2, the side handrails 5 are provided with two groups, the two groups of side handrails 5 are symmetrically arranged on two sides of the top surface of the seat frame 1, the rear wheel mechanisms 8 are provided with two groups, the two groups of rear wheel mechanisms 8 are connected on the outer sides of two ends of the wheel shaft mechanisms 9, the front wheel mechanisms 7 are provided with two groups, the two groups of front wheel mechanisms 7 are fixed at the front end of the bottom surface, and the rear ends of the two groups of manual driving mechanisms 6 are connected with the two ends of the wheel shaft mechanism 9, and the seat frame 1, the backrest frame 2 and the side handrails 5 are integrally welded.
The front wheel mechanism 7 is composed of a front wheel 10, a wheel connecting frame 11, a steering shaft 12, pedals 13 and a pedal frame 14, the wheel connecting frame 11 is connected to the bottom side of the front end of the seat frame 1 through the steering shaft 12, the pedal frame 14 is arranged on the inner side of the wheel connecting frame 11, the pedals 13 are fixed to the top surface of the pedal frame 14, the front wheel 10 is connected to the outer side of the wheel connecting frame 11, and the wheel connecting frame 11 can rotate by taking the steering shaft 12 as an axis.
The rear wheel mechanism 8 is composed of a tire 15, a hub 16, an inner shaft wheel 17 and an outer supporting wheel 18, the tire 15 is arranged on the outer side of the hub 16, the inner shaft wheel 17 is arranged in the center of the hub 16, the outer supporting wheel 18 is arranged on the outer side face of the hub 16, the inner shaft wheel 17 and the outer supporting wheel 18 are integrally formed, and the inner shaft wheel 17 is connected to the outer end of the wheel shaft mechanism 9.
The wheel axle mechanism 9 is composed of a shaft barrel 19, a loading shaft plate 20, an inner spindle structure 21, differential gears 22 and hand-driven connecting rods 23, wherein the loading shaft plate 20 is arranged on the top surface of the shaft barrel 19, the shaft barrel 19 and the loading shaft plate 20 are integrally formed, the inner spindle structure 21 is provided with two groups, the two groups of inner spindle structures 21 are symmetrically arranged at two ends inside the shaft barrel 19, the two groups of inner spindle structures 21 are connected through the differential gears 22, the hand-driven connecting rods 23 are connected to the front sides of two ends of each inner spindle structure 21, the inner spindle wheels 17 are connected to the outer ends of the inner spindle structures 21, fixing holes 24 are formed in the top surface of the loading shaft plate 20, the seat frame 1 is fixed on the top surface of the loading shaft plate 20, and the front ends of the hand-driven connecting rods 23 are connected to the bottom end of the hand.
Manual drive mechanism 6 comprises crank arm hand rocker 25, connection jaw 26, connect jaw 26 and establish in crank arm hand rocker 25's bottom, and crank arm hand rocker 25, connect jaw 26 integrated into one piece, the bottom of crank arm hand rocker 25 is connected in the front end bottom side of seat frame 1 through round pin axle 27, the front end that the hand driven connecting rod 23 is connected in connecting jaw 26 through round pin axle 27, and the hand driven connecting rod 23 uses round pin axle 27 to rotate as the axle center at connecting jaw 26.
The inner spindle structure 21 is composed of a side end different-axis wheel 28, a wheel axle end 29, a shaft rod 30, differential shaft ends 31 and a driving sleeve wheel 32, the wheel axle end 29 is arranged on the outer side face of the side end different-axis wheel 28, the shaft rod 30 is arranged on the inner side face of the side end different-axis wheel 28, the differential shaft ends 31 are arranged on the inner side end of the shaft rod 30, the driving sleeve wheel 32 is connected in the side end different-axis wheel 28, the differential gear 22 is connected between the two groups of the differential shaft ends 31 which are oppositely arranged, the inner shaft wheel 17 is connected on the outer side of the wheel axle end 29, the rear end of the hand-driven connecting rod 23 is arranged on the outer side of the driving sleeve wheel 32, shaft grooves 33 are formed in two side ends of the shaft barrel 19, the side end different-axis wheel 28 is arranged in the shaft grooves 33.
The side end different-axis wheel 28 is composed of two side wheel discs 34 and a different-axis shaft 35, the side wheel discs 34 are provided with two groups, the two groups of side wheel discs 34 are oppositely arranged, the different-axis shaft 35 is arranged between the two groups of side wheel discs 34, the different-axis shaft 35 is arranged at the non-circle center position of the side wheel discs 34, the driving sleeve wheel 32 is sleeved on the outer side of the different-axis shaft 35, the driving sleeve wheel 32 can rotate on the outer side of the different-axis shaft 35, and the driving sleeve wheel 32 makes circular motion by taking the different-axis shaft 35 as the circle center.
The driving sleeve wheel 32 is composed of an inner sleeve wheel 36 and an outer sleeve wheel 37, the inner sleeve wheel 36 is arranged on the inner side of the outer sleeve wheel 37, the inner sleeve wheel 36 can rotate on the inner side of the outer sleeve wheel 37, the hand-driven connecting rod 23 is arranged on the outer side of the outer sleeve wheel 37, the hand-driven connecting rod 23 and the outer sleeve wheel 37 are integrally formed, the inner sleeve wheel 36 is sleeved on the outer side of the eccentric shaft 35, and the inner sleeve wheel can rotate on the outer side of the eccentric shaft 35.
Seat frame 1, back frame 2, side handrail 5, wheel link 11, steering spindle 12, footboard 13, footboard frame 14, crank arm hand lever 25, connection fork 26 are made by stainless steel material, seatpad 3, back pad 4 are made by sponge mixed filler, axle cylinder 19, loading axle board 20, interior main shaft structure 21, differential gear 22, hand drive connecting rod 23 are made by forged steel material.
The working principle of the invention is as follows: when a user takes the wheelchair, under the condition that two hands can be freely controlled, the crank arm hand-operated rod is held by the two hands, the crank arm hand-operated rod is rocked forwards and backwards, the crank arm hand-operated rod is enabled to keep reciprocating rocking by taking an upper side pin shaft as an axis, the forward and backward motion of the connecting fork head is driven by utilizing the principle of a lever, the forward and backward motion of the hand-driven connecting rod is driven because the hand-driven connecting rod is connected to the bottom side of the connecting fork head, in the inner spindle structure, the hand-driven connecting rod is connected to the outer sleeve wheel, the driving sleeve wheel can do circular motion in the side end different-axis wheel, the forward and backward motion of the hand-driven connecting rod drives the rotation of the side end different-axis wheel, the rear wheel mechanisms connected to the two sides of the wheel shaft end can realize rotation, in addition, the equipment provides a rear wheel.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that variations, modifications, substitutions and alterations can be made in the embodiment without departing from the principles and spirit of the invention.

Claims (9)

1. The convenient wheelchair for surgical nursing is characterized by comprising a seat frame (1), a backrest frame (2), a seat cushion (3), a backrest pad (4), side handrails (5), a manual driving mechanism (6), a front wheel mechanism (7), a rear wheel mechanism (8) and a wheel shaft mechanism (9), wherein the seat frame (1) is fixed on the top surface of the wheel shaft mechanism (9), the backrest frame (2) is arranged at the rear end of the top surface of the seat frame (1), the seat cushion (3) is arranged on the top surface of the seat frame (1), the backrest pad (4) is arranged on the front side surface of the backrest frame (2), the side handrails (5) are provided with two groups, the two groups of side handrails (5) are symmetrically arranged on two sides of the top surface of the seat frame (1), the rear wheel mechanisms (8) are provided with two groups, the two groups of rear wheel mechanisms (8) are connected to the outer sides of two ends of the wheel, two sets of front wheel mechanisms (7) are fixed at the front end of the bottom surface of the seat frame (1), two sets of manual driving mechanisms (6) are arranged, the two sets of manual driving mechanisms (6) are fixed at the outer side of the front end of the bottom surface of the seat frame (1), the rear ends of the two sets of manual driving mechanisms (6) are connected to the two ends of the wheel shaft mechanism (9), and the seat frame (1), the backrest frame (2) and the side handrails (5) are integrally welded.
2. The wheelchair as claimed in claim 1, wherein the front wheel mechanism (7) comprises a front wheel (10), a wheel connecting frame (11), a steering shaft (12), pedals (13) and a pedal frame (14), the wheel connecting frame (11) is connected to the bottom side of the front end of the seat frame (1) through the steering shaft (12), the pedal frame (14) is arranged on the inner side of the wheel connecting frame (11), the pedals (13) are fixed on the top surface of the pedal frame (14), the front wheel (10) is connected to the outer side of the wheel connecting frame (11), and the wheel connecting frame (11) can rotate by taking the steering shaft (12) as an axis.
3. The wheelchair as claimed in claim 1, wherein the rear wheel mechanism (8) is composed of a tire (15), a hub (16), an inner shaft wheel (17) and an outer supporting wheel (18), the tire (15) is arranged outside the hub (16), the inner shaft wheel (17) is arranged in the center of the hub (16), the outer supporting wheel (18) is arranged on the outer side surface of the hub (16), the inner shaft wheel (17) and the outer supporting wheel (18) are integrally formed, and the inner shaft wheel (17) is connected to the outer end of the wheel axle mechanism (9).
4. The wheelchair as claimed in claim 1, wherein the wheel axle mechanism (9) comprises a shaft cylinder (19), a loading shaft plate (20), two sets of inner main shaft structures (21), a differential gear (22) and a hand-driven connecting rod (23), the loading shaft plate (20) is arranged on the top surface of the shaft cylinder (19), the shaft cylinder (19) and the loading shaft plate (20) are integrally formed, the inner main shaft structures (21) are arranged in two sets, the two sets of inner main shaft structures (21) are symmetrically arranged at two ends of the inside of the shaft cylinder (19), the two sets of inner main shaft structures (21) are connected through the differential gear (22), the hand-driven connecting rod (23) is connected to the front sides of two ends of the inner main shaft structures (21), the inner wheel (17) is connected to the outer end of the inner main shaft structures (21), the top surface of the loading shaft plate (20) is provided with a fixing hole (24), the seat frame (1) is fixed on the top surface of the loading shaft plate (20), and the front end of the hand-driven connecting rod (23) is connected to the bottom end of the hand-driven mechanism (6).
5. The convenient wheelchair of surgical nursing according to claim 1, wherein the manual driving mechanism (6) is composed of crank hand lever (25) and connecting fork head (26), the connecting fork head (26) is arranged at the bottom end of the crank hand lever (25), the crank hand lever (25) and the connecting fork head (26) are integrally formed, the bottom end of the crank hand lever (25) is connected to the bottom side of the front end of the seat frame (1) through a pin shaft (27), the front end of the hand driving connecting rod (23) is connected to the connecting fork head (26) through the pin shaft (27), and the hand driving connecting rod (23) can rotate in the connecting fork head (26) by taking the pin shaft (27) as an axis.
6. The wheelchair as claimed in claim 1, wherein the inner spindle structure (21) comprises a side end differential axle wheel (28), an axle end (29), an axle rod (30), a differential axle end (31) and a driving sleeve wheel (32), the axle end (29) is arranged on the outer side of the side end differential axle wheel (28), the axle rod (30) is arranged on the inner side of the side end differential axle wheel (28), the differential axle end (31) is arranged on the inner side of the axle rod (30), the driving sleeve wheel (32) is connected in the side end differential axle wheel (28), the differential gear (22) is connected between two sets of differential axle ends (31) which are oppositely arranged, the inner axle wheel (17) is connected on the outer side of the axle end (29), the rear end of the hand driving connecting rod (23) is arranged on the outer side of the driving sleeve wheel (32), and axle grooves (33) are arranged on the two side ends of the axle cylinder (19), the side end different-axis wheel (28) is arranged in the axis groove (33), and the side end different-axis wheel (28) can rotate in the axis groove (33).
7. The wheelchair as claimed in claim 1, wherein the side end different-axis wheel (28) comprises two side wheel discs (34) and different-axis wheels (35), the side wheel discs (34) are provided with two sets, the two sets of side wheel discs (34) are oppositely arranged, the different-axis wheels (35) are arranged between the two sets of side wheel discs (34), the different-axis wheels (35) are arranged at non-circle center positions of the side wheel discs (34), the driving sleeve wheel (32) is sleeved on the outer side of the different-axis wheels (35), the driving sleeve wheel (32) can rotate on the outer side of the different-axis wheels (35), and the driving sleeve wheel (32) performs circular motion by taking the different-axis wheels (35) as circle centers.
8. The wheelchair as claimed in claim 1, wherein the driving sleeve wheel (32) is composed of an inner sleeve wheel (36) and an outer sleeve wheel (37), the inner sleeve wheel (36) is arranged on the inner side of the outer sleeve wheel (37), the inner sleeve wheel (36) can rotate on the inner side of the outer sleeve wheel (37), the hand driving connecting rod (23) is arranged on the outer side of the outer sleeve wheel (37), the hand driving connecting rod (23) is integrally formed with the outer sleeve wheel (37), the inner sleeve wheel (36) is arranged on the outer side of the eccentric shaft (35), and the inner sleeve wheel can rotate on the outer side of the eccentric shaft (35).
9. The wheelchair as claimed in claim 1, wherein the seat frame (1), the backrest frame (2), the side armrests (5), the wheel connecting frame (11), the steering shaft (12), the pedals (13), the pedal frame (14), the crank hand lever (25) and the connecting fork (26) are made of stainless steel material, the seat cushion (3) and the backrest cushion (4) are made of sponge mixed filler, and the shaft cylinder (19), the loading shaft plate (20), the inner main shaft structure (21), the differential gear (22) and the hand drive connecting rod (23) are made of forged steel material.
CN202011493083.4A 2020-12-17 2020-12-17 Convenient wheelchair of surgical nursing Withdrawn CN112515868A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011493083.4A CN112515868A (en) 2020-12-17 2020-12-17 Convenient wheelchair of surgical nursing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011493083.4A CN112515868A (en) 2020-12-17 2020-12-17 Convenient wheelchair of surgical nursing

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CN112515868A true CN112515868A (en) 2021-03-19

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Application Number Title Priority Date Filing Date
CN202011493083.4A Withdrawn CN112515868A (en) 2020-12-17 2020-12-17 Convenient wheelchair of surgical nursing

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CN (1) CN112515868A (en)

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Publication number Priority date Publication date Assignee Title
CN2216402Y (en) * 1994-11-28 1996-01-03 于吉臣 Crank rocker driving gear for wheel-chair
EP2727568A1 (en) * 2012-11-02 2014-05-07 Thyl Junker Wheelchair, retrofit kit for a wheelchair and method for operating a wheelchair
CN103930081A (en) * 2011-11-15 2014-07-16 日本自动机械株式会社 Tricycle wheelchair
US20170367911A1 (en) * 2016-06-23 2017-12-28 Vermij Works Inc. Hand Propelled Wheeled Vehicle

Patent Citations (4)

* Cited by examiner, † Cited by third party
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CN2216402Y (en) * 1994-11-28 1996-01-03 于吉臣 Crank rocker driving gear for wheel-chair
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Application publication date: 20210319