CN216318485U

CN216318485U - Wheelchair with adjustable armrests

Info

Publication number: CN216318485U
Application number: CN202122494558.8U
Authority: CN
Inventors: 蓝花艳; 覃祥; 黄琼; 蓝青云; 吴燕妮; 谭家杰
Original assignee: Rong'an People's Hospital
Current assignee: Rong'an People's Hospital
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-04-19
Anticipated expiration: 2031-10-15

Abstract

The utility model provides a wheelchair with adjustable armrests, which comprises a wheelchair body, wherein the armrests are erected above a seat plate of the wheelchair body through a frame and comprise arm plates and hand plates; one end of the arm plate in the length direction is rotatably connected with the frame through a first rotating shaft, a driven wheel is sleeved on the first rotating shaft and is connected with a driving wheel through a synchronous belt or a synchronous chain, the driving wheel is sleeved on an output shaft of a first rotating motor, and the first rotating motor is arranged on the frame; the other end of the arm plate in the length direction is rotatably provided with a hand plate; a second rotating shaft is arranged at one end of the hand plate, the hand plate is rotatably connected with the arm plate through the second rotating shaft, a driven gear is sleeved on the second rotating shaft, and the driven gear is connected with a second rotating motor through a driving gear group; the arm plate is provided with an arm fixing bandage, and the hand plate is provided with a hand fixing bandage. This wheelchair can be put on the handrail with patient's hand is stable to can carry out functional exercise to patient's hand, do benefit to patient's hand rehabilitation.

Description

Wheelchair with adjustable armrests

Technical Field

The utility model relates to the technical field of wheelchairs, in particular to a wheelchair with adjustable armrests.

Background

At present, a person who uses a wheelchair as a travel tool for a long time is generally a patient who is inconvenient to move, when the patient uses the wheelchair, the hand of the patient is usually put on the armrest, the armrest of the existing wheelchair is fixed, and the hand of the patient who sits on the wheelchair for a long time can be put on the armrest for a long time in the same posture, so that the hand of the patient is very easy to be stiff, and the rehabilitation of the patient is not facilitated; moreover, when a patient with weak hands uses the wheelchair, the patient cannot put the hands on the armrests because the armrests of the wheelchair have no fixed structure, and the existing wheelchair is not beneficial to functional exercise of the hands of the patient.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a wheelchair with adjustable armrests, which can stably place the hands of a patient on the armrests, and can perform functional exercise on the hands of the patient, thereby facilitating the rehabilitation of the hands of the patient.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a wheelchair with adjustable armrests comprises a wheelchair body, wherein the wheelchair body is provided with a frame, a seat board, a backrest, armrests and wheels, the armrests are erected above the seat board of the wheelchair body through the frame, and the armrests comprise arm plates and hand plates; one end of the arm plate in the length direction is rotatably connected with the frame through a first rotating shaft, the rotating axis of the arm plate is parallel to the width direction of the wheelchair body, a driven wheel is sleeved on the first rotating shaft and is connected with a driving wheel through a synchronous belt or a synchronous chain, the driving wheel is sleeved on an output shaft of a first rotating motor, and the first rotating motor is installed on the frame; the other end of the arm plate in the length direction is rotatably provided with a hand plate; the wheelchair comprises a hand plate, an arm plate, a driving gear set, a driven gear, a driving gear set, a first rotating motor, a second rotating motor and a driving gear set, wherein the hand plate is parallel to the arm plate, one end of the hand plate is provided with a second rotating shaft, the hand plate is rotatably connected with the arm plate through the second rotating shaft, the rotating axis is parallel to the length direction of the wheelchair body, the second rotating shaft is sleeved with the driven gear, the driven gear is connected with the second rotating motor through the driving gear set, and the second rotating motor and the driving gear set are both arranged inside the arm plate;

the arm plate is provided with an arm fixing bandage, and the hand plate is provided with a hand fixing bandage; the arm fixing band embeds the gasbag, the gasbag is connected with intake pipe and outlet duct, the intake pipe passes through the check valve that admits air and connects the outside, the outlet duct passes through the check valve that gives vent to anger and connects the outside, the check valve that admits air can dismantle the connection gas tube, the check valve that gives vent to anger can dismantle the connection gas release pipe, gas tube and gas release pipe all connect and fill gassing device, it sets up on the wheelchair body to fill gassing device.

Preferably, the driven wheel, the driving wheel and the first rotating motor are all accommodated in a supporting rod of the frame.

Preferably, the arm fixing bandage is detachably connected with the arm plate.

Preferably, the hand fixing strap is detachably connected with the hand plate.

Preferably, the top surface of arm board is groove structure, and this groove structure does not all have the cell wall along arm board length direction's both ends.

Preferably, a heating device is arranged between the inflation tube and the inflation and deflation device, and the heating device is installed on the wheelchair body.

Preferably, the seat board is provided with baffles along two opposite sides of the width direction of the seat board, and the baffles are positioned between the handrails on the two sides.

Preferably, the seat body is provided with a central control module, and the central control module is respectively connected with the first rotating motor, the second rotating motor and the air charging and discharging device.

Preferably, an air bag is also arranged in the hand fixing binding band.

Compared with the prior art, the utility model has the following beneficial effects:

1. the armrests are divided into the arm plates and the hand plates to place the forearms and the palms of the patients respectively, wherein the arm fixing bands on the arm plates can fix the forearms of the patients on the armrests, and the hand fixing bands on the hand plates can fix the hands of the patients, so that the stability of the patients with the arms on the armrests is improved, and the patients with weak arms can be placed;

2. the air bag is arranged in the arm fixing bandage, and the forearm of a patient can be massaged under the action of the inflation and deflation device, so that the blood circulation of the arm of the patient is promoted;

3. the arm plate can drive the forearm of a patient placed on the arm plate to rotate around the elbow joint under the action of the first rotating motor, and the hand plate can drive the hand of the patient placed on the arm plate to turn over up and down around the wrist joint under the action of the second rotating motor, so that the functional exercise of the elbow joint and the wrist joint of the arm of the patient is realized, the rehabilitation training of the patient is facilitated, and the phenomenon of stiffness of the arm of the patient is avoided;

4. the arm exercising device is simple in structure, convenient to use, multifunctional, capable of avoiding the phenomenon that the arms of a patient are stiff, capable of performing functional exercise on the arms of the patient and good in practicability.

Drawings

FIG. 1 is a schematic view of the present invention without the inflation and deflation tubes;

FIG. 2 is a schematic view of the structure of FIG. 1 with the inflation tube and deflation tube installed;

FIG. 3 is a top view of the connection of the arm plate to the support strut on the seat body of FIG. 1;

FIG. 4 is a cross-sectional view of the interior of the support pole of FIG. 3;

FIG. 5 is a partial cross-sectional view of the support plate of FIG. 3 with the top section cut away;

FIG. 6 is a view from A-A in FIG. 5;

FIG. 7 is a top view of the hand plate and arm plate joint of FIG. 1;

FIG. 8 is a view from B-B in FIG. 7;

fig. 9 is a view from direction C-C in fig. 7.

Description of the main elements

In the figure: the seat comprises a seat body 1, a support rod 11, an arm plate 2, a hand plate 3, a first rotating shaft 4, a driven wheel 41, a synchronous belt or chain 42, a driving wheel 43, a first rotating motor 5, a second rotating shaft 6, a driven gear 61, a gear set 62, a second rotating motor 7, an arm fixing bandage 8, an air inlet one-way valve 81, an air outlet one-way valve 82, a hand fixing bandage 9, an inflation tube 10, an air outlet tube 20, an air charging and discharging device 30, a heating device 40, a baffle 50 and a storage box 60.

The following detailed description will further illustrate the utility model in conjunction with the above-described figures.

Detailed Description

Referring to fig. 1 to 9, in a preferred embodiment of the present invention, a wheelchair with adjustable armrests comprises a wheelchair body having a frame, a seat plate, a backrest, armrests and wheels, wherein the armrests are mounted on the upper side of the seat plate of the wheelchair body through the frame. The handrail comprises a hand plate 2 and a hand plate 3; one end of the arm plate 2 in the length direction is rotatably connected with a frame through a first rotating shaft 4, the rotating axis is parallel to the width direction of the wheelchair body, a driven wheel 41 is sleeved on the first rotating shaft 4, the driven wheel 41 is connected with a driving wheel 43 through a synchronous belt or chain 42, the driving wheel 43 is sleeved on an output shaft of a first rotating motor 5, and the first rotating motor 5 is installed on the frame; the other end of the arm plate 2 in the length direction is rotatably provided with a hand plate 3; the face of hand board 3 and arm board 2 is parallel, second pivot 6 is installed to the one end of hand board 3, hand board 3 rotates through second pivot 6 and connects arm board 2, and the axis of rotation is on a parallel with the length direction of wheelchair body, the cover is equipped with driven gear 61 in the second pivot 6, driven gear 61 passes through drive gear set 62 and connects the second and rotate motor 7, the second rotates motor 7 and drive gear set 62 and all installs the inside at arm board 2. The forearm and the palm of patient are separately placed through the mode that sets the handrail into arm board 2 and hand board 3 for arm board 2 can drive the forearm and rotate round the elbow joint when rotating under the effect of first rotation motor 5, hand board 3 can drive the palm and rotate round the wrist joint when rotating under the effect of second rotation motor 7, thereby realize patient's arm elbow joint and wrist joint's functional exercise, do benefit to patient's arm joint's recovered nature and take exercise. Preferably, in the present embodiment, the driven wheel 41, the driving wheel 43 and the first rotating motor 5 are all accommodated in the support rod 11 of the frame; the driven gear 61, the driving gear set 62 and the second rotating motor 7 are all accommodated on the arm plate 2; in order to facilitate the placement of the arms of the patient, the top surface of the arm plate 2 is of a groove structure, the groove structure is not provided with groove walls along the two ends of the arm plate in the length direction of the arm plate 2, the arms are accommodated in the grooves, and the arms of the patient are prevented from falling off from the handrails to a certain extent.

Further, an arm fixing bandage 8 is arranged on the arm plate 2, and a hand fixing bandage 9 is arranged on the hand plate 3; the mode of binding fixed patient's forearm through arm fixing bandage 8 makes fixing that the forearm can be stable on arm board 2, and hand fixing bandage 9 binds fixed patient's palm on hand board 3 for patient's hand is stably placed on hand board 3, makes patient's arm rotate along with the rotation of arm board 2 like this, and the hand rotates along with the rotation of the relative arm board 2 of hand board 3, reaches arm rehabilitation training's purpose. In the utility model, the arm fixing bandage 8 is internally provided with an air bag, the air bag is connected with an air inlet pipe and an air outlet pipe, the air inlet pipe is connected with the outside through an air inlet one-way valve, the air outlet pipe is connected with the outside through an air outlet one-way valve 82, the air inlet one-way valve is detachably connected with an inflation pipe 10, the air outlet one-way valve 82 is detachably connected with an air discharge pipe 20, the inflation pipe 10 and the air discharge pipe 20 are both connected with an inflation and deflation device 30, the inflation and deflation device 30 is arranged on the wheelchair body, the air bag is inflated and deflated through the inflation and deflation device 30, the arm of a patient can be massaged, the blood circulation of the arm of the patient is promoted, and the arm rehabilitation of the patient is facilitated. Preferably, the arm fixing bandage 8 is detachably connected with the arm plate 2; the hand fixing bandage 9 is detachably connected with the hand plate 3; so as to fix the arm of the patient according to the requirement and disassemble the arm when the arm is not needed to be used. Further preferably, a heating device 40 is arranged between the inflation tube 10 and the inflation and deflation device 30, and the heating device 40 is mounted on the wheelchair body to make the binding band have a warm keeping function in a manner that the heating device 40 heats the gas entering the air bag. Preferably, the hand fixing band 9 is also provided with an air bag therein, which can massage and warm the hands of the patient.

Furthermore, the two opposite sides of the seat board along the width direction are provided with baffles 50, and the baffles 50 are positioned between the armrests at the two sides, so that a patient can sit conveniently; one side that the baffle 50 deviates from the bedplate is provided with storing box 60, storing box 60 sets up in the below of bedplate, and it is used for accomodating stores the fixing strap.

Preferably, the seat body 1 is provided with a central control module and a power supply module, and the central control module is respectively connected with the power supply module, the first rotating motor 5, the second rotating motor 7, the air charging and discharging device 30 and the heating device 40, so as to realize automatic control.

The wheelchair can be controlled by a remote controller or buttons mounted on the wheelchair body.

The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a wheelchair that handrail can be adjusted, includes the wheelchair body, the wheelchair body has frame, bedplate, back, handrail and wheel, the handrail passes through the frame to erect the top at wheelchair body bedplate, its characterized in that: the armrest comprises an arm plate and a hand plate; one end of the arm plate in the length direction is rotatably connected with the frame through a first rotating shaft, the rotating axis of the arm plate is parallel to the width direction of the wheelchair body, a driven wheel is sleeved on the first rotating shaft and is connected with a driving wheel through a synchronous belt or a synchronous chain, the driving wheel is sleeved on an output shaft of a first rotating motor, and the first rotating motor is installed on the frame; the other end of the arm plate in the length direction is rotatably provided with a hand plate; the wheelchair comprises a hand plate, an arm plate, a driving gear set, a driven gear, a driving gear set, a first rotating motor, a second rotating motor and a driving gear set, wherein the hand plate is parallel to the arm plate, one end of the hand plate is provided with a second rotating shaft, the hand plate is rotatably connected with the arm plate through the second rotating shaft, the rotating axis is parallel to the length direction of the wheelchair body, the second rotating shaft is sleeved with the driven gear, the driven gear is connected with the second rotating motor through the driving gear set, and the second rotating motor and the driving gear set are both arranged inside the arm plate;

2. The wheelchair of claim 1 in which the armrests are adjustable: the driven wheel, the driving wheel and the first rotating motor are all accommodated in a supporting rod of the frame.

3. The wheelchair of claim 1 in which the armrests are adjustable: the arm fixing bandage is detachably connected with the arm plate.

4. The wheelchair of claim 1 in which the armrests are adjustable: the hand fixing bandage is detachably connected with the hand plate.

5. The wheelchair of claim 1 in which the armrests are adjustable: the top surface of arm board is groove structure, and this groove structure all does not have the cell wall along arm board length direction's both ends.

6. The wheelchair of claim 1 in which the armrests are adjustable: and a heating device is arranged between the inflation tube and the inflation and deflation device, and the heating device is arranged on the wheelchair body.

7. The wheelchair of claim 1 in which the armrests are adjustable: the relative both sides of bedplate along its width direction all are provided with the baffle, the baffle is located between the handrail of both sides.

8. The wheelchair of claim 1 in which the armrests are adjustable: the wheelchair comprises a wheelchair body and is characterized in that a central control module is installed on the wheelchair body and is respectively connected with a first rotating motor, a second rotating motor and an air charging and discharging device.

9. The wheelchair of claim 1 in which the armrests are adjustable: an air bag is also arranged in the hand fixing binding band.