CN116459091A - Wheelchair pedal folding device for orthopedic patient and preparation method thereof - Google Patents
Wheelchair pedal folding device for orthopedic patient and preparation method thereof Download PDFInfo
- Publication number
- CN116459091A CN116459091A CN202310616979.4A CN202310616979A CN116459091A CN 116459091 A CN116459091 A CN 116459091A CN 202310616979 A CN202310616979 A CN 202310616979A CN 116459091 A CN116459091 A CN 116459091A
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- folding
- pedal
- rod
- wheelchair
- sliding sleeve
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- 230000000399 orthopedic effect Effects 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 210000002414 leg Anatomy 0.000 description 19
- 238000011084 recovery Methods 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 210000003141 lower extremity Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
Classifications
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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
- A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
- A61G5/128—Rests specially adapted therefor, e.g. for the head or the feet for feet
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rehabilitation Tools (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention discloses a wheelchair pedal folding device for an orthopedic patient and a preparation method thereof, comprising the following steps: assembling a folding mechanism; adjusting the pedal; folding and storing operation. The pedal plate has an automatic locking function in the folding and rotating process, can not be automatically opened after being folded, and has certain safety. This orthopedics patient wheelchair footboard folding device passes through the setting of folding pole, wherein the top of folding pole runs through and sets up in the horizontal pole periphery, and the internal gear that folding pole top set up constitutes meshing transmission structure with the external gear that the horizontal pole surface set up, and the horizontal pole axle head runs through the supporting leg and is provided with the regulation turning handle, it is rotatory to be convenient for utilize the regulation turning handle to drive the horizontal pole, thereby make the folding pole constitute rotatory beta structure, and the folding pole inboard is provided with the threaded rod, and the bevel gear that the threaded rod top set up constitutes meshing transmission structure with the axle head of activity turning handle, it is rotatory to be convenient for utilize activity turning handle drive threaded rod, thereby adjust the height of running-board, the comfort level that orthopedics patient used has been improved.
Description
Technical Field
The invention relates to the technical field of wheelchair pedals, in particular to a wheelchair pedal folding device for orthopedic patients and a preparation method thereof.
Background
Wheelchairs are chairs provided with wheels to help to replace walking, and are divided into electric and manual folding wheelchairs. The wheelchair is an important moving tool for home rehabilitation, turnover transportation, treatment and outgoing activities of wounded persons, patients and disabled persons, not only meets the requirements of the disabled persons and the mobility impaired persons for the wheelchair for riding instead of walk, but also is convenient for the family members to move and care the patients, so that the patients can exercise and participate in social activities by means of the wheelchair.
The common wheelchair generally comprises a foldable frame, front wheels, rear wheels, left and right knee pads, foot pedals, left and right detachable armrests, a handle braking device, a chair, a backrest with a medical image data bag, a bedpan, a urine receiving bag hook, an electric standing part and the like. The hand-operated wheelchair is provided with a hand-operated device on the basis of a common wheelchair. The electric wheelchair is based on a common wheelchair, an electronic power assisting system is added, and physical consumption of a user is reduced. The intelligent wheelchair is based on an electric wheelchair, and has the advantages of positioning movement, standing movement, remote control movement and related internet assisted living.
For orthopaedics patients with fracture of lower limbs, the wheelchair is a very good tool capable of helping the patients to recover. For such patients, it is required to maintain strict fixation and braking at an early stage and to stay bedridden. After such patients have recovered for some time, the physician may continue to use a device such as a plaster cast to secure the patient's lower limbs. Devices such as wheelchairs may be used at this point to assist the patient in performing a short period of ambulatory activities, but such activities do not require the patient to land on his feet, where the patient needs to sit completely in the wheelchair and then ask other caregivers to either assist in the home or to go to the hallway or to move outdoors. This is very helpful for the recovery of the patient.
The general wheelchair includes main part and footboard, and present wheelchair footboard all is fixed mounting on the wheelchair, and the wheelchair footboard is when opening, and the space that occupies is great, inconvenient accomodate is unfavorable for the transportation of wheelchair, and orthopedics patient when using this wheelchair, easily causes colliding with to external things, has certain potential safety hazard.
The existing wheelchair pedal for the orthopedics patient is fixedly installed, the height cannot be adjusted, the heights of the orthopedics patients are different from each other, the wheelchair pedal with the same position is not suitable for all the orthopedics patients, the comfort level of the orthopedics patients is reduced, the recovery time of the orthopedics patients is influenced by the uncomfortable pedal, and the recovery of the orthopedics patients is not facilitated.
So we propose a wheelchair pedal folding device for orthopaedics patients and a preparation method thereof, so as to solve the problems presented in the above.
Disclosure of Invention
The invention aims to provide a wheelchair pedal folding device for an orthopaedics patient, which solves the problems that the existing wheelchair pedal provided in the background art is fixedly arranged on a wheelchair, so that occupied space is large, the wheelchair pedal is inconvenient to store, the height cannot be adjusted, potential safety hazards exist and rehabilitation of the orthopaedics patient is not facilitated.
In order to achieve the above purpose, the present invention provides the following technical solutions: a wheelchair pedal folding device for orthopaedics patients comprises a wheelchair body and supporting legs;
the wheelchair comprises a wheelchair body, a wheelchair seat and a wheelchair seat, wherein supporting legs are arranged below the wheelchair body, two groups of supporting legs are symmetrically arranged left and right, and the two groups of supporting legs are arranged below the wheelchair seat;
a cross rod is arranged between the supporting legs, and the left end and the right end of the cross rod are respectively arranged on the inner side surfaces of the two groups of supporting legs;
the folding rod is arranged on the periphery of the cross rod in a penetrating mode, and the central axis of the folding rod is perpendicular to the central axis of the cross rod.
Preferably, an external gear is arranged in the middle of the outer surface of the cross rod, the external gear and the internal gear form a meshing transmission structure, the internal gear is arranged on the inner side surface of the top end of the folding rod, the left shaft end of the cross rod penetrates through the supporting leg to be connected with an adjusting rotating handle, and the adjusting rotating handle drives the cross rod to form a rotating structure.
By adopting the technical scheme, the external gear and the internal gear form a meshed transmission structure, so that the transverse rod where the external gear is positioned can form a rotary structure by utilizing the rotation of the adjusting rotating handle, and the folding rod where the internal gear is positioned can form a rotary folding structure.
Preferably, the folding rod is internally provided with a threaded rod, the central axis of the threaded rod is mutually overlapped with the central axis of the folding rod, the periphery of the threaded rod is provided with a thread bush, the threaded rod and the thread bush form a thread transmission structure, the periphery of the thread bush is provided with a limiting ring, and the limiting ring penetrates through the folding rod.
By adopting the technical scheme, the threaded rod and the threaded sleeve form a threaded transmission structure, and the periphery of the threaded sleeve is provided with the limiting ring, so that the limiting ring can conveniently form an up-and-down moving structure.
Preferably, the limiting ring is of an arc structure, the middle position of the inner side of the limiting ring and the back of the folding rod form an up-and-down sliding structure, the limiting ring forms an up-and-down moving structure by rotating the threaded rod, the top end of the threaded rod is provided with a bevel gear, the bevel gear and the shaft end of the movable rotating handle form an engaged transmission structure, and the shaft end of the movable rotating handle drives the bevel gear to form a rotating structure.
By adopting the technical scheme, the bevel gear and the shaft end of the movable rotating handle form a meshed transmission structure, the middle position of the inner side of the limiting ring and the back of the folding rod form an up-down sliding structure, and when the shaft end of the movable rotating handle drives the bevel gear to form a rotating structure, the limiting ring is convenient to form the up-down sliding structure.
Preferably, the periphery of the limiting ring is provided with a sliding sleeve, two groups of sliding sleeves are symmetrically arranged on the periphery of the limiting ring in a left-right mode, the outer sides of the sliding sleeves are respectively hinged with a pedal, a limiting baffle is arranged below the pedals, and the limiting baffle is fixed on the outer side surface of the sliding sleeve.
By adopting the technical scheme, the pedal plates are hinged to the outer sides of the sliding sleeves respectively, and the limiting baffle is arranged below the pedal plates, so that the pedal plates have good stability in the use process, and the pedal plates are convenient to form a rotary folding structure, so that the occupied space is reduced.
Preferably, the pedal plate utilizes the hinge head and the sliding sleeve to form a rotary folding structure, the limiting baffle plate plays a limiting role on the pedal plate, the upper surface of the pedal plate is fixedly provided with anti-slip strips, and the anti-slip strips are uniformly distributed on the upper surface of the pedal plate.
By adopting the technical scheme, the anti-slip strips are fixedly arranged on the upper surface of the pedal, and are uniformly distributed on the upper surface of the pedal, so that an orthopedics patient has good stability when using the wheelchair.
Preferably, the sliding sleeve forms an annular sliding structure at the periphery of the limiting ring, the upper surface of the sliding sleeve is provided with a positioning insert block in a penetrating manner, the periphery of the upper end of the positioning insert block is provided with a reset spring, the reset spring enables the positioning insert block to form a drawing and inserting structure, the reset spring is arranged inside the shell, the top end of the positioning insert block is fixedly connected with a pull rod, and the pull rod is arranged above the shell.
By adopting the technical scheme, the positioning plug blocks form the drawing and inserting structure through the reset spring, so that when an orthopaedics patient uses the wheelchair, the pedal plate is positioned and fixed, and the wheelchair has good practicability.
A wheelchair pedal folding device for orthopedics patients and a preparation method thereof are characterized in that: the method comprises the following steps:
s1, assembling a folding mechanism
The folding rod penetrates through the periphery of the cross rod, wherein an external gear arranged on the periphery of the cross rod and an internal gear at the top end of the folding rod form a meshed transmission structure, the left shaft end of the cross rod penetrates through the left supporting leg to be fixedly connected with an adjusting rotating handle, the folding rod forms a rotating structure through the rotation of the cross rod, and a proper angle is adjusted according to the situation;
s2, adjusting the pedal
The pedal plate is arranged on the left side and the right side of the folding rod by utilizing a sliding sleeve, the pedal plate and the sliding sleeve form hinge connection, the pedal plate is convenient to form a rotating structure, the sliding sleeve is arranged on the periphery of the threaded sleeve by utilizing a limiting ring, and the height of the pedal plate can be adjusted according to the situation;
s3, folding and storing
The pedal plate and the sliding sleeve form hinged connection, the pedal plate can be rotated and folded, the pedal plate is arranged on the periphery of the limiting ring by the sliding sleeve, the pedal plate can be rotated to the rear by the sliding sleeve conveniently, the folding rod and the cross rod form a folding structure, and the folding rod can be rotated and folded to the bottom surface of the wheelchair cushion.
Preferably, the pedal plate has an automatic locking function in the folding and rotating process, and can not be automatically opened after being folded, so that the pedal plate has certain safety.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the folding rod, the top end of the folding rod penetrates through the periphery of the cross rod, an inner gear arranged at the top end of the folding rod and an outer gear arranged on the surface of the cross rod form a meshing transmission structure, and an adjusting rotating handle is arranged at the shaft end of the cross rod and penetrates through the supporting leg, so that the cross rod is conveniently driven to rotate by the adjusting rotating handle, the folding rod forms a rotating folding structure, a threaded rod is arranged at the inner side of the folding rod, a bevel gear arranged at the top end of the threaded rod and the shaft end of the movable rotating handle form a meshing transmission structure, the threaded rod is conveniently driven to rotate by the movable rotating handle, so that the height of a pedal is adjusted, the wheelchair is suitable for orthopaedics patients with different heights, and the comfort level of the orthopaedics patients is improved.
2. According to the invention, through the arrangement of the sliding sleeve, two groups of sliding sleeves are symmetrically arranged on the outer side of the limiting ring in a left-right manner, the sliding sleeve and the limiting ring form a sliding structure, the outer sides of the sliding sleeves are hinged with the pedals, the limiting baffle is arranged below the pedals, so that an orthopaedics patient has good stability when using the pedals, the pedals form a rotary folding structure by using the hinge head and the sliding sleeve, the pedals have an automatic locking function in the folding and rotating process, and the sliding structure of the sliding sleeve and the limiting ring enables the pedals to rotate to the rear side when not used, and is matched with the rotary folding structure of the folding rod, so that the pedals are convenient to fold and store, the collision phenomenon is not easy to occur in the use process of the orthopaedics patient, the folding and storing are convenient, and the occupied space is reduced.
Drawings
FIG. 1 is a schematic view of a front view of a wheelchair body according to the present invention;
FIG. 2 is a schematic side view of the wheelchair body of the present invention;
fig. 3 is a schematic view of a connection structure of an external gear and an internal gear according to the present invention;
FIG. 4 is a schematic view of a folding bar of the present invention in front cross-sectional configuration;
FIG. 5 is a schematic side view and cross-sectional view of a folding bar according to the present invention
FIG. 6 is a schematic top view of a foot pedal of the present invention;
FIG. 7 is a schematic top view of a foot pedal folding structure of the present invention;
fig. 8 is an enlarged schematic view of the structure of fig. 4 a according to the present invention.
In the figure: 1. a wheelchair body; 2. support legs; 3. a cross bar; 4. a folding bar; 5. an external gear; 6. an internal gear; 7. adjusting the rotating handle; 8. a threaded rod; 9. a thread sleeve; 10. a limiting ring; 11. bevel gears; 12. a movable rotating handle; 13. a sliding sleeve; 14. a foot pedal; 15. a limit baffle; 16. positioning the insert block; 17. a return spring; 18. a housing; 19. and (5) a pull rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, an embodiment of the present invention is provided: the utility model provides an orthopedics patient wheelchair footboard folding device, includes wheelchair body 1 and supporting leg 2, and wheelchair body 1 below is provided with supporting leg 2, and supporting leg 2 bilateral symmetry is provided with two sets of to two sets of supporting legs 2 set up in wheelchair cushion below, are provided with horizontal pole 3 between the supporting leg 2, and both ends are installed respectively in two sets of supporting leg 2 medial surface about horizontal pole 3, and horizontal pole 3 periphery runs through and is provided with folding rod 4, and the axis perpendicular to horizontal pole 3's of axis of folding rod 4.
As shown in fig. 1-5, an external gear 5 is arranged in the middle of the outer surface of the cross bar 3, the external gear 5 and the internal gear 6 form a meshing transmission structure, the internal gear 6 is arranged on the inner surface of the top end of the folding rod 4, the left shaft end of the cross bar 3 penetrates through the supporting leg 2 and is connected with an adjusting rotating handle 7, the adjusting rotating handle 7 drives the cross bar 3 to form a rotating structure, the external gear 5 and the internal gear 6 form a meshing transmission structure, and the cross bar 3 where the external gear 5 is positioned is conveniently formed into a rotating structure by utilizing the rotation of the adjusting rotating handle 7, so that the folding rod 4 where the internal gear 6 is positioned forms a rotating folding structure; the folding rod 4 is internally provided with a threaded rod 8, the central axis of the threaded rod 8 is mutually overlapped with the central axis of the folding rod 4, the periphery of the threaded rod 8 is provided with a thread sleeve 9, the threaded rod 8 and the thread sleeve 9 form a thread transmission structure, the periphery of the thread sleeve 9 is provided with a limiting ring 10, the limiting ring 10 penetrates through the folding rod 4, the thread transmission structure is formed by the threaded rod 8 and the thread sleeve 9, and the periphery of the thread sleeve 9 is provided with the limiting ring 10, so that the limiting ring 10 can conveniently form an up-down movement structure; the limiting ring 10 is of an arc structure, an up-and-down sliding structure is formed between the middle position of the inner side of the limiting ring 10 and the back of the folding rod 4, the limiting ring 10 is formed into an up-and-down moving structure by rotating the threaded rod 8, a bevel gear 11 is arranged at the top end of the threaded rod 8, the bevel gear 11 and the shaft end of the movable rotating handle 12 form an engagement transmission structure, the shaft end of the movable rotating handle 12 drives the bevel gear 11 to form a rotating structure, the engagement transmission structure is formed between the bevel gear 11 and the shaft end of the movable rotating handle 12, the middle position of the inner side of the limiting ring 10 and the back of the folding rod 4 form an up-and-down sliding structure, and when the shaft end of the movable rotating handle 12 drives the bevel gear 11 to form the rotating structure, the limiting ring 10 is convenient to form the up-and-down sliding structure.
As shown in fig. 4-8, the periphery of the limiting ring 10 is provided with a sliding sleeve 13, the sliding sleeve 13 is symmetrically provided with two groups on the periphery of the limiting ring 10 in a left-right symmetry manner, the outer sides of the sliding sleeve 13 are respectively hinged with a pedal plate 14, the lower part of the pedal plate 14 is provided with a limiting baffle 15, the limiting baffle 15 is fixed on the outer side surface of the sliding sleeve 13, the outer sides of the sliding sleeve 13 are respectively hinged with the pedal plate 14, and the lower part of the pedal plate 14 is provided with the limiting baffle 15, so that the pedal plate 14 has good stability in the use process, the pedal plate 14 is convenient to form a rotary folding structure, and the occupied space is reduced; the pedal 14 forms a rotary folding structure by utilizing the hinge head and the sliding sleeve 13, the limiting baffle 15 plays a limiting role on the pedal 14, the upper surface of the pedal 14 is fixedly provided with the anti-slip strips 20, the anti-slip strips 20 are uniformly distributed on the upper surface of the pedal 14, and the anti-slip strips 20 are fixedly arranged on the upper surface of the pedal 14, wherein the anti-slip strips 20 are uniformly distributed on the upper surface of the pedal 14, so that an orthopaedics patient has good stability when using the wheelchair; the sliding sleeve 13 forms an annular sliding structure on the periphery of the limiting ring 10, the upper surface of the sliding sleeve 13 is provided with a positioning insert block 16 in a penetrating manner, the periphery of the upper end of the positioning insert block 16 is provided with a return spring 17, the return spring 17 enables the positioning insert block 16 to form a drawing and inserting structure, the return spring 17 is arranged inside the shell 18, the top end of the positioning insert block 16 is fixedly connected with a pull rod 19, the pull rod 19 is arranged above the shell 18, the positioning insert block 16 forms a drawing and inserting structure through the return spring 17, and when the wheelchair is used by an orthopaedics patient, the pedal 14 is positioned and fixed, and the wheelchair has good practicability.
A wheelchair pedal folding device for orthopedics patients and a preparation method thereof are characterized in that: the method comprises the following steps:
s1, assembling a folding mechanism
The folding rod 4 penetrates through the periphery of the cross rod 3, wherein an external gear 5 arranged at the periphery of the cross rod 3 and an internal gear 6 at the top end of the folding rod 4 form a meshed transmission structure, the left shaft end of the cross rod 3 penetrates through the left supporting leg 2 to be fixedly connected with an adjusting rotating handle 7, the folding rod 4 forms a rotating structure by rotating the cross rod 3, and a proper angle is adjusted according to the situation;
s2, adjusting the pedal
The foot pedal 14 is arranged on the left side and the right side of the folding rod 4 by utilizing the sliding sleeve 13, wherein the foot pedal 14 and the sliding sleeve 13 form hinge connection, the foot pedal 14 is convenient to form a rotating structure, the sliding sleeve 13 is arranged on the periphery of the threaded sleeve 9 by utilizing the limiting ring 10, and the height of the foot pedal 14 can be adjusted according to the situation;
s3, folding and storing
The pedal 14 and the sliding sleeve 13 form hinge connection, the pedal 14 can be rotated and folded, the pedal 14 is arranged on the periphery of the limiting ring 10 by the sliding sleeve 13, the pedal 14 can be rotated to the rear by the sliding sleeve 13 conveniently, the folding rod 4 and the cross rod 3 form a folding structure, and the folding rod 4 can be rotated and folded to the bottom surface of the wheelchair cushion.
The pedal 14 has an automatic locking function in the folding and rotating process, and can not be automatically opened after being folded, so that certain safety is realized.
Working principle: when the wheelchair pedal folding device for the orthopaedics patient is used, through the arrangement of the folding rod 4, the top end of the folding rod 4 penetrates through the periphery of the cross rod 3, an inner gear 6 arranged at the top end of the folding rod 4 and an outer gear 5 arranged on the surface of the cross rod 3 form a meshing transmission structure, the shaft end of the cross rod 3 penetrates through the supporting leg 2 and is provided with an adjusting rotating handle 7, the cross rod 3 is conveniently driven to rotate by the adjusting rotating handle 7, so that the folding rod 4 forms a rotating folding structure, the inner side of the folding rod 4 is provided with a threaded rod 8, a bevel gear 11 arranged at the top end of the threaded rod 8 and the shaft end of a movable rotating handle 12 form a meshing transmission structure, the threaded rod 8 is conveniently driven to rotate by the movable rotating handle 12, and therefore, the height of a pedal 14 is adjusted, the wheelchair is suitable for the orthopaedics patient, and the comfort level of the orthopaedics patient is improved; through the setting of sliding sleeve 13, wherein sliding sleeve 13 is provided with two sets of bilateral symmetry in spacing ring 10 outside, and sliding sleeve 13 constitutes sliding structure with spacing ring 10, and the equal hinged joint in sliding sleeve 13 outside has pedal 14, wherein pedal 14 below is provided with limit baffle 15, make orthopedics patient have good stability when using pedal 14, and pedal 14 utilizes the hinge head to constitute rotatory beta structure with sliding sleeve 13, wherein pedal 14 has automatic locking function in folding rotation process, and sliding sleeve 13 and the sliding structure of spacing ring 10 make pedal 14 rotatable to the rear when not using, the rotatory beta structure of cooperation folding rod 4, be convenient for fold the pedal 14 accomodate, be difficult for appearing colliding with the phenomenon in orthopedics patient's use, good security has just be convenient for fold accomodate, reduced orthopedics occupation space.
To complete a series of work, and what is not described in detail in this specification is prior art that is well known to those skilled in the art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (9)
1. The utility model provides an orthopedics patient wheelchair footboard folding device, includes wheelchair body (1) and supporting leg (2), its characterized in that:
the wheelchair comprises a wheelchair body (1), wherein supporting legs (2) are arranged below the wheelchair body, two groups of supporting legs (2) are symmetrically arranged left and right, and the two groups of supporting legs (2) are arranged below a wheelchair cushion;
a cross rod (3) is arranged between the supporting legs (2), and the left end and the right end of the cross rod (3) are respectively arranged on the inner side surfaces of the two groups of supporting legs (2);
the periphery of the cross rod (3) is penetrated and provided with a folding rod (4), and the central axis of the folding rod (4) is perpendicular to the central axis of the cross rod (3).
2. The orthopedic patient wheelchair pedal folding device of claim 1 wherein: the middle position of the outer surface of the cross rod (3) is provided with an external gear (5), the external gear (5) and the internal gear (6) form a meshing transmission structure, the internal gear (6) is arranged on the inner side surface of the top end of the folding rod (4), the left shaft end of the cross rod (3) penetrates through the supporting leg (2) to be connected with an adjusting rotating handle (7), and the adjusting rotating handle (7) drives the cross rod (3) to form a rotating structure.
3. The orthopedic patient wheelchair pedal folding device of claim 1 wherein: the folding rod (4) is internally provided with a threaded rod (8), the central axis of the threaded rod (8) is mutually overlapped with the central axis of the folding rod (4), the periphery of the threaded rod (8) is provided with a thread bush (9), the threaded rod (8) and the thread bush (9) form a thread transmission structure, the periphery of the thread bush (9) is provided with a limiting ring (10), and the limiting ring (10) penetrates through the folding rod (4).
4. A wheelchair pedal folding device for orthopedic patients according to claim 3, characterized in that: the limiting ring (10) is of an arc structure, an up-and-down sliding structure is formed between the middle position of the inner side of the limiting ring (10) and the back of the folding rod (4), the limiting ring (10) is made to form an up-and-down moving structure by rotation of the threaded rod (8), a bevel gear (11) is arranged at the top end of the threaded rod (8), the bevel gear (11) and the shaft end of the movable rotating handle (12) form a meshing transmission structure, and the shaft end of the movable rotating handle (12) drives the bevel gear (11) to form a rotating structure.
5. A wheelchair pedal folding device for orthopedic patients according to claim 3, characterized in that: the limiting ring (10) is peripherally provided with a sliding sleeve (13), the sliding sleeve (13) is symmetrically provided with two groups on the periphery of the limiting ring (10), the outer sides of the sliding sleeve (13) are respectively hinged with a pedal plate (14), a limiting baffle (15) is arranged below the pedal plates (14), and the limiting baffle (15) is fixed on the outer side surface of the sliding sleeve (13).
6. The orthopedic patient wheelchair pedal folding device of claim 5 wherein: the pedal plate (14) forms a rotary folding structure by utilizing the hinge head and the sliding sleeve (13), the limiting baffle (15) plays a limiting role on the pedal plate (14), the upper surface of the pedal plate (14) is fixedly provided with the anti-slip strips (20), and the anti-slip strips (20) are uniformly distributed on the upper surface of the pedal plate (14).
7. The orthopedic patient wheelchair pedal folding device of claim 5 wherein: the sliding sleeve (13) forms an annular sliding structure at the periphery of the limiting ring (10), the upper surface of the sliding sleeve (13) is provided with a positioning insert block (16) in a penetrating mode, the periphery of the upper end of the positioning insert block (16) is provided with a reset spring (17), the reset spring (17) enables the positioning insert block (16) to form a drawing and inserting structure, the reset spring (17) is arranged inside the shell (18), the top end of the positioning insert block (16) is fixedly connected with a pull rod (19), and the pull rod (19) is arranged above the shell (18).
8. The wheelchair pedal folding device for orthopedic patients and the preparation method thereof are characterized in that: the method comprises the following steps:
s1, assembling a folding mechanism
The folding rod (4) penetrates through the periphery of the cross rod (3), an external gear (5) arranged on the periphery of the cross rod (3) and an internal gear (6) arranged at the top end of the folding rod (4) form a meshing transmission structure, the left shaft end of the cross rod (3) penetrates through the left supporting leg (2) to be fixedly connected with an adjusting rotating handle (7), the rotation of the cross rod (3) enables the folding rod (4) to form a rotating structure, and a proper angle is adjusted according to the situation;
s2, adjusting the pedal
The pedal plate (14) is arranged on the left side and the right side of the folding rod (4) by utilizing the sliding sleeve (13), wherein the pedal plate (14) and the sliding sleeve (13) form hinge connection, the pedal plate (14) is convenient to form a rotating structure, the sliding sleeve (13) is arranged on the periphery of the threaded sleeve (9) by utilizing the limiting ring (10), and the height of the pedal plate (14) can be adjusted according to the situation;
s3, folding and storing operation
The pedal (14) and the sliding sleeve (13) form hinge connection, the pedal (14) can be subjected to rotary folding treatment, the pedal (14) is arranged on the periphery of the limiting ring (10) by the sliding sleeve (13), the pedal (14) can be conveniently rotated to the rear by the sliding sleeve (13), the folding rod (4) and the cross rod (3) form a folding structure, and the folding rod (4) can be rotationally folded to the bottom surface of the wheelchair cushion.
9. The orthopedic patient wheelchair pedal folding device of claim 6 wherein: the pedal (14) has an automatic locking function in the folding and rotating process, and can not be automatically opened after being folded, so that the folding and rotating device has certain safety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310616979.4A CN116459091A (en) | 2023-05-29 | 2023-05-29 | Wheelchair pedal folding device for orthopedic patient and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310616979.4A CN116459091A (en) | 2023-05-29 | 2023-05-29 | Wheelchair pedal folding device for orthopedic patient and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116459091A true CN116459091A (en) | 2023-07-21 |
Family
ID=87173885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310616979.4A Withdrawn CN116459091A (en) | 2023-05-29 | 2023-05-29 | Wheelchair pedal folding device for orthopedic patient and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116459091A (en) |
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2023
- 2023-05-29 CN CN202310616979.4A patent/CN116459091A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20230721 |