CN212631074U

CN212631074U - Gay wheelchair with upturning handrail mechanism

Info

Publication number: CN212631074U
Application number: CN202020230075.XU
Authority: CN
Inventors: 罗椅民
Original assignee: Guangdong Yiming Intelligent Medical Technology Co ltd
Current assignee: Guangdong Yiming Intelligent Medical Technology Co ltd
Priority date: 2020-02-29
Filing date: 2020-02-29
Publication date: 2021-03-02
Anticipated expiration: 2030-02-28

Abstract

The utility model discloses a gay wheelchair with upturning handrail mechanism, including wheelchair back, handrail body, seat and wheelchair main part, wheelchair back and seat are installed in the upper end of wheelchair main part, the lower extreme of wheelchair main part is installed and is kept away the barrier universal wheel, the upper end fixed mounting of wheelchair main part has first fixed box, the inside top fixed mounting of first fixed box has servo motor, ball screw is installed to the axle head of servo motor, ball screw's both ends are provided with the thrust ring, and ball screw's surface cover is equipped with ball nut, ball nut and first fixed box sliding fit; through designing first fixed box, the patient passes through operating handle and starts servo motor, drives ball screw through servo motor and rotates, and control handrail body falls perpendicularly to with seat face horizontality, the wheelchair side reason of being convenient for and bed or closestool "zero" apart from the level butt joint, make things convenient for the patient to shift or go up and down the wheelchair.

Description

Gay wheelchair with upturning handrail mechanism

Technical Field

The invention belongs to the technical field of wheelchairs, and particularly relates to a wheel chair with an upturning handrail mechanism.

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 exercises and participate in social activities by means of the wheelchair.

The prior wheelchair has the problem that the wheelchair armrests are generally fixedly arranged on the wheelchair and do not have the lifting function, and when a patient needs to move from the wheelchair to a bed or a closestool, the armrests obstruct the position change of the patient, so that a power wheelchair with an upturning armrest mechanism is proposed.

Disclosure of Invention

The invention aims to provide a gay wheelchair with an upturning handrail mechanism, which aims to solve the problems that the conventional wheelchair proposed in the background art has the wheelchair handrail which is generally fixedly arranged on the wheelchair and does not have the lifting function, and the handrail obstructs the transposition of a patient when the patient needs to move from the wheelchair to a bed or a closestool.

In order to achieve the purpose, the invention provides the following technical scheme: the gay wheelchair with the upturning handrail mechanism comprises a wheelchair backrest, a handrail body, a seat plate and a wheelchair body, wherein the wheelchair backrest and the seat plate are installed at the upper end of the wheelchair body, a barrier-avoiding universal wheel is installed at the lower end of the wheelchair body, a first fixing box is fixedly installed at the upper end of the wheelchair body, a servo motor is fixedly installed at the top end inside the first fixing box, a ball screw is installed at the shaft end of the servo motor, thrust rings are arranged at the two ends of the ball screw, a ball nut is sleeved on the outer surface of the ball screw, the ball nut is in sliding fit with the first fixing box, a connecting block is fixedly arranged on the outer surface of the ball nut, a sliding seam is longitudinally formed in the outer surface of the first fixing box, the end of the connecting block slides out of the sliding seam, a second fixing box is fixedly arranged at the end of the extending end, one end of the handrail body is fixedly installed, and a handle is fixedly arranged on the outer surface of the handrail body on one side.

Preferably, brushes are fixedly arranged on the upper surface and the lower surface of the ball nut and are in surface contact with the ball screw.

Preferably, the upper surface of the armrest body is provided with a containing cavity with a flip cover, and the inner surfaces of the containing cavity and the flip cover are fixedly provided with a folding screen.

Preferably, the outer side surface of the handrail body is provided with a sliding groove, a strong magnet is arranged in the sliding groove in a sliding mode, one end of the strong magnet is fixedly provided with a second reset spring and a connecting rod, and the other end of the connecting rod extends out of the sliding groove in a sliding mode.

Preferably, the upper surface of the seat plate is provided with a cushion, and the thickness of the armrest body is equal to the sum of the thicknesses of the seat plate and the cushion.

Preferably, the inside of the fixed box of second is provided with outer ring gear through the pivot rotation, and the one end of pivot stretch out the fixed box of second and with handrail body fixed connection, the upper end of the fixed box of second slides and imbeds there is the traveller, the embedding end surface cover of traveller is equipped with first reset spring, and embedding end fixing is provided with the rack, the rack meshes with outer ring gear mutually.

Preferably, the sliding column is a hexagonal prism, and the opening at the upper end of the second fixing box is an inner hexagonal opening.

Compared with the prior art, the invention has the beneficial effects that:

(1) through designing first fixed box, the patient passes through operating handle and starts servo motor, drives ball screw through servo motor and rotates, and control handrail body falls perpendicularly to with seat face horizontality, the wheelchair side reason of being convenient for and bed or closestool "zero" apart from the level butt joint, make things convenient for the patient to shift or go up and down the wheelchair.

(2) Set up the brush through the design, be convenient for automatic clear brush ball screw sets up folding screen, convenient to use and folding set up the strong magnet, adsorb fixedly through strong magnet and iron plate, and the wheel easily takes place to remove when preventing from going up and down the wheelchair, improves the security that the wheelchair used, sets up rack and outer ring gear, the inclination of the regulation and control handrail of being convenient for, the convenient leaning on of different statures uses.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a first fixing case of the present invention;

FIG. 3 is a cross-sectional view of a second fixing case of the present invention;

FIG. 4 is a top view of the armrest body of the present invention;

FIG. 5 is an enlarged view of the portion A of FIG. 1 in accordance with the present invention;

in the figure: 1. a wheelchair backrest; 2. a handrail body; 3. a seat plate; 4. a wheelchair main body; 5. a first stationary box; 6. a second stationary box; 7. a ball screw; 8. a ball nut; 9. a brush; 10. connecting blocks; 11. a traveler; 12. a first return spring; 13. a rack; 14. an outer ring gear; 15. folding the screen; 16. a chute; 17. Strong magnets; 18. a second return spring; 19. a connecting rod.

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.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: a gay wheelchair with an upturning handrail mechanism comprises a wheelchair backrest 1, a handrail body 2, a seat plate 3 and a wheelchair main body 4, wherein the wheelchair backrest 1 and the seat plate 3 are installed at the upper end of the wheelchair main body 4, an obstacle avoidance universal wheel is installed at the lower end of the wheelchair main body 4, a first fixing box 5 is fixedly welded at the upper end of the wheelchair main body 4, a servo motor is fixedly installed at the top end inside the first fixing box 5 through screws, a ball screw 7 is installed at the shaft end of the servo motor, thrust rings are arranged at two ends of the ball screw 7, a ball nut 8 is sleeved on the outer surface of the ball screw 7, the ball nut 8 is in sliding fit with the first fixing box 5, a connecting block 10 is fixedly welded on the outer surface of the ball nut 8, a sliding seam is longitudinally formed on the outer surface of the first fixing box 5, a sliding seam extends out of the end part of the connecting block 10, and a second fixing, one end fixed mounting of handrail body 2 is on the fixed box 6 of second, and the fixed surface of handrail body 2 on one side installs the handle, drives ball screw 7 through servo motor and rotates, and ball screw 7 rotates will drive ball nut 8 and reciprocate along first fixed box 5, and then control connecting block 10 reciprocates along the sliding seam, and connecting block 10 drives handrail body 2 vertical drop to with seat face horizontality, the patient of being convenient for shifts wheelchair from top to bottom.

In this embodiment, the upper and lower fixed surface of ball nut 8 is provided with brush 9, and brush 9 and ball screw 7 surface contact set up brush 9, carry out automatic cleaning to ball screw 7's surface, avoid external dust impurity to pass through the sliding gap and adhere to ball screw 7's surface.

In this embodiment, the upper surface of the armrest body 2 is provided with a storage cavity with a flip cover, the storage cavity and the flip cover are fixedly provided with a folding screen 15, the folding screen 15 is arranged, the use and the folding are convenient, and the function of the armrest body 2 that depends on the support of the arm is not affected.

In this embodiment, runner 16 has been seted up to the lateral surface of handrail body 2, and it is provided with strong magnet 17 to slide in runner 16, and the fixed second reset spring 18 and the connecting rod 19 that is provided with of one end of strong magnet 17, and connecting rod 19's the other end slides and stretches out runner 16, sets up strong magnet 17, and at the fixed iron plate of bed edge department, treat that the wheelchair removes and be close to the bed edge back, strong magnet 17 adsorbs fixedly with iron plate, prevents that the wheelchair from sliding, improves wheelchair safety in utilization.

In this embodiment, the upper surface of seat 3 is provided with the cushion, and the thickness of handrail body 2 equals the thickness sum of seat 3 and cushion, ensures that handrail body 2 is at same horizontal plane with the cushion with the upper surface of handrail body 2 behind the bottom, makes things convenient for patient's shift position.

In this embodiment, the inside of the fixed box 6 of second is provided with outer ring gear 14 through the pivot rotation, and the one end of pivot stretch out the fixed box 6 of second and with handrail body 2 fixed connection, the upper end of the fixed box 6 of second slides and imbeds there is traveller 11, the embedding end surface cover of traveller 11 is equipped with first reset spring 12, and the embedding end fixing is provided with rack 13, rack 13 meshes with outer ring gear 14 mutually, through rack 13 and the meshing of outer ring gear 14, be convenient for adjust the inclination who rotates handrail body 2, the convenient different patient transfers to best angle and uses.

In this embodiment, the sliding column 11 is a hexagonal prism, the opening at the upper end of the second fixing box 6 is an inner hexagonal opening, and the sliding column 11 is limited by arranging the hexagonal prism and the inner hexagonal opening, so that the sliding column 11 is prevented from rotating.

The working principle and the using process of the invention are as follows: by arranging the first fixing box 5, when a patient needs to move from a wheelchair to a closestool or a bed, the servo motor is started by the control handle, the ball screw 7 is driven to rotate by the servo motor, the ball screw 7 rotates to drive the ball nut 8 to move up and down along the first fixing box 5, so that the connecting block 10 is controlled to move up and down along the sliding seam, the connecting block 10 drives the armrest body 2 to vertically descend to be in a horizontal state with the seat surface of the seat, the horizontal butt joint of the side edge of the wheelchair and the zero distance of the bed or the closestool is facilitated, and the patient can conveniently shift and transfer or get on or off the wheelchair;

through the arrangement of the brush 9, the outer surface of the ball screw 7 is automatically cleaned, so that external dust and impurities are prevented from being attached to the outer surface of the ball screw 7 through a sliding seam, the folding screen 15 is arranged, the use and the folding are convenient, the strong magnet 17 is arranged, the iron plate is convenient to fix at the bed edge, after the wheelchair moves to be close to the bed edge, the strong magnet 17 is fixedly adsorbed with the iron plate to prevent the wheelchair from sliding, when the wheelchair needs to be moved, the connecting rod 19 is pulled to drive the strong magnet 17 to slide and remove the adsorption with the iron plate, the wheelchair can be moved, after the connecting rod 19 is loosened, the strong magnet 17 is reset under the action of the second reset spring 18 to be automatically adsorbed and fixed with the iron plate next time, the rack 13 and the outer toothed ring 14 are arranged, when the armrest body 2 needs to be rotated to change the inclination angle, the sliding column 11 is pulled upwards to drive the rack 13 to be disengaged with the outer toothed ring 14, and the sliding, under the effect of first reset spring 12 rack 13 pushes down and is connected with outer ring gear 14 meshing, and then restricts handrail body 2's rotation, sets up hexagonal prism and interior hexagonal opening, carries on spacingly to traveller 11, avoids traveller 11's rotation, ensures rack 13 and outer ring gear 14 stable meshing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a merit wheelchair with turn over handrail mechanism on, includes wheelchair back (1), handrail body (2), seat (3) and wheelchair main part (4), the upper end in wheelchair main part (4) is installed in wheelchair back (1) and seat (3), the lower extreme of wheelchair main part (4) is installed and is kept away barrier universal wheel, its characterized in that: a first fixing box (5) is fixedly arranged at the upper end of the wheelchair main body (4), a servo motor is fixedly arranged at the top end inside the first fixing box (5), a ball screw (7) is arranged at the shaft end of the servo motor, thrust rings are arranged at the two ends of the ball screw (7), and the outer surface of the ball screw (7) is sleeved with a ball nut (8), the ball nut (8) is in sliding fit with the first fixed box (5), the outer surface of the ball nut (8) is fixedly provided with a connecting block (10), the outer surface of the first fixed box (5) is longitudinally provided with a sliding seam, the end part of the connecting block (10) slides and extends out of the sliding seam, and the end part of the extending end is fixedly provided with a second fixing box (6), one end of the handrail body (2) is fixedly arranged on the second fixing box (6), and the outer surface of the handrail body (2) at one side is fixedly provided with a handle.

2. The gay wheelchair with an upturning handrail mechanism of claim 1, wherein: the upper surface and the lower surface of the ball nut (8) are fixedly provided with a brush (9), and the brush (9) is in surface contact with the ball screw (7).

3. The gay wheelchair with an upturning handrail mechanism of claim 1, wherein: the upper surface of handrail body (2) is seted up and is had the chamber of accomodating of flip, accomodate chamber and flip's internal surface fixed and be provided with folding screen (15).

4. The gay wheelchair with an upturning handrail mechanism of claim 1, wherein: the handrail is characterized in that a sliding groove (16) is formed in the outer side face of the handrail body (2), a strong magnet (17) is arranged in the sliding groove (16) in a sliding mode, a second reset spring (18) and a connecting rod (19) are fixedly arranged at one end of the strong magnet (17), and the other end of the connecting rod (19) stretches out of the sliding groove (16) in a sliding mode.

5. The gay wheelchair with an upturning handrail mechanism of claim 1, wherein: the upper surface of the seat plate (3) is provided with a soft cushion, and the thickness of the armrest body (2) is equal to the sum of the thicknesses of the seat plate (3) and the soft cushion.

6. The gay wheelchair with an upturning handrail mechanism of claim 1, wherein: the inside of the fixed box of second (6) is rotated through the pivot and is provided with outer ring gear (14), and the one end of pivot stretch out the fixed box of second (6) and with handrail body (2) fixed connection, the upper end slip embedding of the fixed box of second (6) has traveller (11), the embedding end surface cover of traveller (11) is equipped with first reset spring (12), and embedding end fixing is provided with rack (13), rack (13) mesh with outer ring gear (14) mutually.

7. The wheelchair of claim 6 with a flip-up armrest mechanism, wherein: the sliding column (11) is a hexagonal prism, and an opening at the upper end of the second fixing box (6) is an inner hexagonal opening.